From c51b1189e3d5353e842991f5859ddcea0f73e426 Mon Sep 17 00:00:00 2001 From: theuni Date: Mon, 24 Jan 2011 16:05:21 -0500 Subject: Merged cptspiff's code-reshuffle branch. Squashed commit due to build breakage during code-reshuffle history. Conflicts: xbmc/Util.cpp xbmc/cdrip/CDDARipper.cpp xbmc/filesystem/Directory.cpp xbmc/filesystem/File.cpp --- lib/ffmpeg/libavutil/Makefile | 66 +++ lib/ffmpeg/libavutil/adler32.c | 73 +++ lib/ffmpeg/libavutil/adler32.h | 42 ++ lib/ffmpeg/libavutil/aes.c | 255 +++++++++ lib/ffmpeg/libavutil/aes.h | 47 ++ lib/ffmpeg/libavutil/arm/bswap.h | 72 +++ lib/ffmpeg/libavutil/arm/intmath.h | 103 ++++ lib/ffmpeg/libavutil/arm/intreadwrite.h | 78 +++ lib/ffmpeg/libavutil/arm/timer.h | 40 ++ lib/ffmpeg/libavutil/attributes.h | 121 +++++ lib/ffmpeg/libavutil/avr32/bswap.h | 44 ++ lib/ffmpeg/libavutil/avr32/intreadwrite.h | 182 +++++++ lib/ffmpeg/libavutil/avstring.c | 99 ++++ lib/ffmpeg/libavutil/avstring.h | 117 +++++ lib/ffmpeg/libavutil/avutil.h | 89 ++++ lib/ffmpeg/libavutil/base64.c | 164 ++++++ lib/ffmpeg/libavutil/base64.h | 54 ++ lib/ffmpeg/libavutil/bfin/bswap.h | 45 ++ lib/ffmpeg/libavutil/bfin/timer.h | 41 ++ lib/ffmpeg/libavutil/bswap.h | 124 +++++ lib/ffmpeg/libavutil/colorspace.h | 111 ++++ lib/ffmpeg/libavutil/common.h | 364 +++++++++++++ lib/ffmpeg/libavutil/crc.c | 158 ++++++ lib/ffmpeg/libavutil/crc.h | 44 ++ lib/ffmpeg/libavutil/crc_data.h | 213 ++++++++ lib/ffmpeg/libavutil/des.c | 435 +++++++++++++++ lib/ffmpeg/libavutil/des.h | 52 ++ lib/ffmpeg/libavutil/error.c | 47 ++ lib/ffmpeg/libavutil/error.h | 74 +++ lib/ffmpeg/libavutil/eval.c | 591 +++++++++++++++++++++ lib/ffmpeg/libavutil/eval.h | 111 ++++ lib/ffmpeg/libavutil/fifo.c | 129 +++++ lib/ffmpeg/libavutil/fifo.h | 116 ++++ lib/ffmpeg/libavutil/integer.c | 197 +++++++ lib/ffmpeg/libavutil/integer.h | 86 +++ lib/ffmpeg/libavutil/internal.h | 234 +++++++++ lib/ffmpeg/libavutil/intfloat_readwrite.c | 98 ++++ lib/ffmpeg/libavutil/intfloat_readwrite.h | 40 ++ lib/ffmpeg/libavutil/intmath.h | 79 +++ lib/ffmpeg/libavutil/intreadwrite.h | 522 ++++++++++++++++++ lib/ffmpeg/libavutil/lfg.c | 100 ++++ lib/ffmpeg/libavutil/lfg.h | 62 +++ lib/ffmpeg/libavutil/libavutil.v | 4 + lib/ffmpeg/libavutil/libm.h | 96 ++++ lib/ffmpeg/libavutil/lls.c | 137 +++++ lib/ffmpeg/libavutil/lls.h | 45 ++ lib/ffmpeg/libavutil/log.c | 149 ++++++ lib/ffmpeg/libavutil/log.h | 138 +++++ lib/ffmpeg/libavutil/lzo.c | 279 ++++++++++ lib/ffmpeg/libavutil/lzo.h | 66 +++ lib/ffmpeg/libavutil/mathematics.c | 181 +++++++ lib/ffmpeg/libavutil/mathematics.h | 109 ++++ lib/ffmpeg/libavutil/md5.c | 183 +++++++ lib/ffmpeg/libavutil/md5.h | 36 ++ lib/ffmpeg/libavutil/mem.c | 176 +++++++ lib/ffmpeg/libavutil/mem.h | 126 +++++ lib/ffmpeg/libavutil/mips/intreadwrite.h | 94 ++++ lib/ffmpeg/libavutil/pca.c | 246 +++++++++ lib/ffmpeg/libavutil/pca.h | 35 ++ lib/ffmpeg/libavutil/pixdesc.c | 842 ++++++++++++++++++++++++++++++ lib/ffmpeg/libavutil/pixdesc.h | 154 ++++++ lib/ffmpeg/libavutil/pixfmt.h | 163 ++++++ lib/ffmpeg/libavutil/ppc/intreadwrite.h | 108 ++++ lib/ffmpeg/libavutil/ppc/timer.h | 47 ++ lib/ffmpeg/libavutil/random_seed.c | 90 ++++ lib/ffmpeg/libavutil/random_seed.h | 31 ++ lib/ffmpeg/libavutil/rational.c | 131 +++++ lib/ffmpeg/libavutil/rational.h | 129 +++++ lib/ffmpeg/libavutil/rc4.c | 61 +++ lib/ffmpeg/libavutil/rc4.h | 50 ++ lib/ffmpeg/libavutil/sh4/bswap.h | 48 ++ lib/ffmpeg/libavutil/sha.c | 401 ++++++++++++++ lib/ffmpeg/libavutil/sha.h | 56 ++ lib/ffmpeg/libavutil/sha1.h | 57 ++ lib/ffmpeg/libavutil/softfloat.c | 72 +++ lib/ffmpeg/libavutil/softfloat.h | 126 +++++ lib/ffmpeg/libavutil/timer.h | 71 +++ lib/ffmpeg/libavutil/tomi/intreadwrite.h | 148 ++++++ lib/ffmpeg/libavutil/tree.c | 213 ++++++++ lib/ffmpeg/libavutil/tree.h | 95 ++++ lib/ffmpeg/libavutil/utils.c | 41 ++ lib/ffmpeg/libavutil/x86/bswap.h | 61 +++ lib/ffmpeg/libavutil/x86/intmath.h | 35 ++ lib/ffmpeg/libavutil/x86/intreadwrite.h | 97 ++++ lib/ffmpeg/libavutil/x86/timer.h | 35 ++ lib/ffmpeg/libavutil/x86_cpu.h | 76 +++ 86 files changed, 11257 insertions(+) create mode 100644 lib/ffmpeg/libavutil/Makefile create mode 100644 lib/ffmpeg/libavutil/adler32.c create mode 100644 lib/ffmpeg/libavutil/adler32.h create mode 100644 lib/ffmpeg/libavutil/aes.c create mode 100644 lib/ffmpeg/libavutil/aes.h create mode 100644 lib/ffmpeg/libavutil/arm/bswap.h create mode 100644 lib/ffmpeg/libavutil/arm/intmath.h create mode 100644 lib/ffmpeg/libavutil/arm/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/arm/timer.h create mode 100644 lib/ffmpeg/libavutil/attributes.h create mode 100644 lib/ffmpeg/libavutil/avr32/bswap.h create mode 100644 lib/ffmpeg/libavutil/avr32/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/avstring.c create mode 100644 lib/ffmpeg/libavutil/avstring.h create mode 100644 lib/ffmpeg/libavutil/avutil.h create mode 100644 lib/ffmpeg/libavutil/base64.c create mode 100644 lib/ffmpeg/libavutil/base64.h create mode 100644 lib/ffmpeg/libavutil/bfin/bswap.h create mode 100644 lib/ffmpeg/libavutil/bfin/timer.h create mode 100644 lib/ffmpeg/libavutil/bswap.h create mode 100644 lib/ffmpeg/libavutil/colorspace.h create mode 100644 lib/ffmpeg/libavutil/common.h create mode 100644 lib/ffmpeg/libavutil/crc.c create mode 100644 lib/ffmpeg/libavutil/crc.h create mode 100644 lib/ffmpeg/libavutil/crc_data.h create mode 100644 lib/ffmpeg/libavutil/des.c create mode 100644 lib/ffmpeg/libavutil/des.h create mode 100644 lib/ffmpeg/libavutil/error.c create mode 100644 lib/ffmpeg/libavutil/error.h create mode 100644 lib/ffmpeg/libavutil/eval.c create mode 100644 lib/ffmpeg/libavutil/eval.h create mode 100644 lib/ffmpeg/libavutil/fifo.c create mode 100644 lib/ffmpeg/libavutil/fifo.h create mode 100644 lib/ffmpeg/libavutil/integer.c create mode 100644 lib/ffmpeg/libavutil/integer.h create mode 100644 lib/ffmpeg/libavutil/internal.h create mode 100644 lib/ffmpeg/libavutil/intfloat_readwrite.c create mode 100644 lib/ffmpeg/libavutil/intfloat_readwrite.h create mode 100644 lib/ffmpeg/libavutil/intmath.h create mode 100644 lib/ffmpeg/libavutil/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/lfg.c create mode 100644 lib/ffmpeg/libavutil/lfg.h create mode 100644 lib/ffmpeg/libavutil/libavutil.v create mode 100644 lib/ffmpeg/libavutil/libm.h create mode 100644 lib/ffmpeg/libavutil/lls.c create mode 100644 lib/ffmpeg/libavutil/lls.h create mode 100644 lib/ffmpeg/libavutil/log.c create mode 100644 lib/ffmpeg/libavutil/log.h create mode 100644 lib/ffmpeg/libavutil/lzo.c create mode 100644 lib/ffmpeg/libavutil/lzo.h create mode 100644 lib/ffmpeg/libavutil/mathematics.c create mode 100644 lib/ffmpeg/libavutil/mathematics.h create mode 100644 lib/ffmpeg/libavutil/md5.c create mode 100644 lib/ffmpeg/libavutil/md5.h create mode 100644 lib/ffmpeg/libavutil/mem.c create mode 100644 lib/ffmpeg/libavutil/mem.h create mode 100644 lib/ffmpeg/libavutil/mips/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/pca.c create mode 100644 lib/ffmpeg/libavutil/pca.h create mode 100644 lib/ffmpeg/libavutil/pixdesc.c create mode 100644 lib/ffmpeg/libavutil/pixdesc.h create mode 100644 lib/ffmpeg/libavutil/pixfmt.h create mode 100644 lib/ffmpeg/libavutil/ppc/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/ppc/timer.h create mode 100644 lib/ffmpeg/libavutil/random_seed.c create mode 100644 lib/ffmpeg/libavutil/random_seed.h create mode 100644 lib/ffmpeg/libavutil/rational.c create mode 100644 lib/ffmpeg/libavutil/rational.h create mode 100644 lib/ffmpeg/libavutil/rc4.c create mode 100644 lib/ffmpeg/libavutil/rc4.h create mode 100644 lib/ffmpeg/libavutil/sh4/bswap.h create mode 100644 lib/ffmpeg/libavutil/sha.c create mode 100644 lib/ffmpeg/libavutil/sha.h create mode 100644 lib/ffmpeg/libavutil/sha1.h create mode 100644 lib/ffmpeg/libavutil/softfloat.c create mode 100644 lib/ffmpeg/libavutil/softfloat.h create mode 100644 lib/ffmpeg/libavutil/timer.h create mode 100644 lib/ffmpeg/libavutil/tomi/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/tree.c create mode 100644 lib/ffmpeg/libavutil/tree.h create mode 100644 lib/ffmpeg/libavutil/utils.c create mode 100644 lib/ffmpeg/libavutil/x86/bswap.h create mode 100644 lib/ffmpeg/libavutil/x86/intmath.h create mode 100644 lib/ffmpeg/libavutil/x86/intreadwrite.h create mode 100644 lib/ffmpeg/libavutil/x86/timer.h create mode 100644 lib/ffmpeg/libavutil/x86_cpu.h (limited to 'lib/ffmpeg/libavutil') diff --git a/lib/ffmpeg/libavutil/Makefile b/lib/ffmpeg/libavutil/Makefile new file mode 100644 index 0000000000..9238808ce9 --- /dev/null +++ b/lib/ffmpeg/libavutil/Makefile @@ -0,0 +1,66 @@ +include $(SUBDIR)../config.mak + +NAME = avutil + +HEADERS = adler32.h \ + attributes.h \ + avstring.h \ + avutil.h \ + base64.h \ + bswap.h \ + common.h \ + crc.h \ + error.h \ + eval.h \ + fifo.h \ + intfloat_readwrite.h \ + intreadwrite.h \ + lfg.h \ + log.h \ + lzo.h \ + mathematics.h \ + md5.h \ + mem.h \ + pixdesc.h \ + pixfmt.h \ + random_seed.h \ + rational.h \ + sha1.h \ + +BUILT_HEADERS = avconfig.h + +OBJS = adler32.o \ + aes.o \ + avstring.o \ + base64.o \ + crc.o \ + des.o \ + error.o \ + eval.o \ + fifo.o \ + intfloat_readwrite.o \ + lfg.o \ + lls.o \ + log.o \ + lzo.o \ + mathematics.o \ + md5.o \ + mem.o \ + pixdesc.o \ + random_seed.o \ + rational.o \ + rc4.o \ + sha.o \ + tree.o \ + utils.o \ + +TESTPROGS = adler32 aes base64 crc des lls md5 pca sha softfloat tree +TESTPROGS-$(HAVE_LZO1X_999_COMPRESS) += lzo + +DIRS = arm bfin sh4 x86 + +ARCH_HEADERS = bswap.h intmath.h intreadwrite.h timer.h + +include $(SUBDIR)../subdir.mak + +$(SUBDIR)lzo-test$(EXESUF): ELIBS = -llzo2 diff --git a/lib/ffmpeg/libavutil/adler32.c b/lib/ffmpeg/libavutil/adler32.c new file mode 100644 index 0000000000..4f2001025b --- /dev/null +++ b/lib/ffmpeg/libavutil/adler32.c @@ -0,0 +1,73 @@ +/* + * Compute the Adler-32 checksum of a data stream. + * This is a modified version based on adler32.c from the zlib library. + * + * Copyright (C) 1995 Mark Adler + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#include "config.h" +#include "adler32.h" + +#define BASE 65521L /* largest prime smaller than 65536 */ + +#define DO1(buf) {s1 += *buf++; s2 += s1;} +#define DO4(buf) DO1(buf); DO1(buf); DO1(buf); DO1(buf); +#define DO16(buf) DO4(buf); DO4(buf); DO4(buf); DO4(buf); + +unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf, unsigned int len) +{ + unsigned long s1 = adler & 0xffff; + unsigned long s2 = adler >> 16; + + while (len>0) { +#if CONFIG_SMALL + while(len>4 && s2 < (1U<<31)){ + DO4(buf); len-=4; +#else + while(len>16 && s2 < (1U<<31)){ + DO16(buf); len-=16; +#endif + } + DO1(buf); len--; + s1 %= BASE; + s2 %= BASE; + } + return (s2 << 16) | s1; +} + +#ifdef TEST +#include "log.h" +#include "timer.h" +#define LEN 7001 +volatile int checksum; +int main(void){ + int i; + char data[LEN]; + av_log_set_level(AV_LOG_DEBUG); + for(i=0; i>3) + 123*i; + for(i=0; i<1000; i++){ + START_TIMER + checksum= av_adler32_update(1, data, LEN); + STOP_TIMER("adler") + } + av_log(NULL, AV_LOG_DEBUG, "%X == 50E6E508\n", checksum); + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/adler32.h b/lib/ffmpeg/libavutil/adler32.h new file mode 100644 index 0000000000..0b890bcc11 --- /dev/null +++ b/lib/ffmpeg/libavutil/adler32.h @@ -0,0 +1,42 @@ +/* + * copyright (c) 2006 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_ADLER32_H +#define AVUTIL_ADLER32_H + +#include +#include "attributes.h" + +/** + * Calculate the Adler32 checksum of a buffer. + * + * Passing the return value to a subsequent av_adler32_update() call + * allows the checksum of multiple buffers to be calculated as though + * they were concatenated. + * + * @param adler initial checksum value + * @param buf pointer to input buffer + * @param len size of input buffer + * @return updated checksum + */ +unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf, + unsigned int len) av_pure; + +#endif /* AVUTIL_ADLER32_H */ diff --git a/lib/ffmpeg/libavutil/aes.c b/lib/ffmpeg/libavutil/aes.c new file mode 100644 index 0000000000..59f1cf34e8 --- /dev/null +++ b/lib/ffmpeg/libavutil/aes.c @@ -0,0 +1,255 @@ +/* + * copyright (c) 2007 Michael Niedermayer + * + * some optimization ideas from aes128.c by Reimar Doeffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "common.h" +#include "aes.h" + +typedef union { + uint64_t u64[2]; + uint32_t u32[4]; + uint8_t u8x4[4][4]; + uint8_t u8[16]; +} av_aes_block; + +typedef struct AVAES{ + // Note: round_key[16] is accessed in the init code, but this only + // overwrites state, which does not matter (see also r7471). + av_aes_block round_key[15]; + av_aes_block state[2]; + int rounds; +}AVAES; + +const int av_aes_size= sizeof(AVAES); + +static const uint8_t rcon[10] = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 +}; + +static uint8_t sbox[256]; +static uint8_t inv_sbox[256]; +#if CONFIG_SMALL +static uint32_t enc_multbl[1][256]; +static uint32_t dec_multbl[1][256]; +#else +static uint32_t enc_multbl[4][256]; +static uint32_t dec_multbl[4][256]; +#endif + +static inline void addkey(av_aes_block *dst, const av_aes_block *src, const av_aes_block *round_key){ + dst->u64[0] = src->u64[0] ^ round_key->u64[0]; + dst->u64[1] = src->u64[1] ^ round_key->u64[1]; +} + +static void subshift(av_aes_block s0[2], int s, const uint8_t *box){ + av_aes_block *s1= (av_aes_block *)(s0[0].u8 - s); + av_aes_block *s3= (av_aes_block *)(s0[0].u8 + s); + s0[0].u8[0]=box[s0[1].u8[ 0]]; s0[0].u8[ 4]=box[s0[1].u8[ 4]]; s0[0].u8[ 8]=box[s0[1].u8[ 8]]; s0[0].u8[12]=box[s0[1].u8[12]]; + s1[0].u8[3]=box[s1[1].u8[ 7]]; s1[0].u8[ 7]=box[s1[1].u8[11]]; s1[0].u8[11]=box[s1[1].u8[15]]; s1[0].u8[15]=box[s1[1].u8[ 3]]; + s0[0].u8[2]=box[s0[1].u8[10]]; s0[0].u8[10]=box[s0[1].u8[ 2]]; s0[0].u8[ 6]=box[s0[1].u8[14]]; s0[0].u8[14]=box[s0[1].u8[ 6]]; + s3[0].u8[1]=box[s3[1].u8[13]]; s3[0].u8[13]=box[s3[1].u8[ 9]]; s3[0].u8[ 9]=box[s3[1].u8[ 5]]; s3[0].u8[ 5]=box[s3[1].u8[ 1]]; +} + +static inline int mix_core(uint32_t multbl[][256], int a, int b, int c, int d){ +#if CONFIG_SMALL +#define ROT(x,s) ((x<>(32-s))) + return multbl[0][a] ^ ROT(multbl[0][b], 8) ^ ROT(multbl[0][c], 16) ^ ROT(multbl[0][d], 24); +#else + return multbl[0][a] ^ multbl[1][b] ^ multbl[2][c] ^ multbl[3][d]; +#endif +} + +static inline void mix(av_aes_block state[2], uint32_t multbl[][256], int s1, int s3){ + uint8_t (*src)[4] = state[1].u8x4; + state[0].u32[0] = mix_core(multbl, src[0][0], src[s1 ][1], src[2][2], src[s3 ][3]); + state[0].u32[1] = mix_core(multbl, src[1][0], src[s3-1][1], src[3][2], src[s1-1][3]); + state[0].u32[2] = mix_core(multbl, src[2][0], src[s3 ][1], src[0][2], src[s1 ][3]); + state[0].u32[3] = mix_core(multbl, src[3][0], src[s1-1][1], src[1][2], src[s3-1][3]); +} + +static inline void crypt(AVAES *a, int s, const uint8_t *sbox, uint32_t multbl[][256]){ + int r; + + for(r=a->rounds-1; r>0; r--){ + mix(a->state, multbl, 3-s, 1+s); + addkey(&a->state[1], &a->state[0], &a->round_key[r]); + } + subshift(&a->state[0], s, sbox); +} + +void av_aes_crypt(AVAES *a, uint8_t *dst_, const uint8_t *src_, int count, uint8_t *iv_, int decrypt){ + av_aes_block *dst = (av_aes_block *)dst_; + const av_aes_block *src = (const av_aes_block *)src_; + av_aes_block *iv = (av_aes_block *)iv_; + while(count--){ + addkey(&a->state[1], src, &a->round_key[a->rounds]); + if(decrypt) { + crypt(a, 0, inv_sbox, dec_multbl); + if(iv){ + addkey(&a->state[0], &a->state[0], iv); + memcpy(iv, src, 16); + } + addkey(dst, &a->state[0], &a->round_key[0]); + }else{ + if(iv) addkey(&a->state[1], &a->state[1], iv); + crypt(a, 2, sbox, enc_multbl); + addkey(dst, &a->state[0], &a->round_key[0]); + if(iv) memcpy(iv, dst, 16); + } + src++; + dst++; + } +} + +static void init_multbl2(uint8_t tbl[1024], const int c[4], const uint8_t *log8, const uint8_t *alog8, const uint8_t *sbox){ + int i, j; + for(i=0; i<1024; i++){ + int x= sbox[i>>2]; + if(x) tbl[i]= alog8[ log8[x] + log8[c[i&3]] ]; + } +#if !CONFIG_SMALL + for(j=256; j<1024; j++) + for(i=0; i<4; i++) + tbl[4*j+i]= tbl[4*j + ((i-1)&3) - 1024]; +#endif +} + +// this is based on the reference AES code by Paulo Barreto and Vincent Rijmen +int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt) { + int i, j, t, rconpointer = 0; + uint8_t tk[8][4]; + int KC= key_bits>>5; + int rounds= KC + 6; + uint8_t log8[256]; + uint8_t alog8[512]; + + if(!enc_multbl[FF_ARRAY_ELEMS(enc_multbl)-1][FF_ARRAY_ELEMS(enc_multbl[0])-1]){ + j=1; + for(i=0; i<255; i++){ + alog8[i]= + alog8[i+255]= j; + log8[j]= i; + j^= j+j; + if(j>255) j^= 0x11B; + } + for(i=0; i<256; i++){ + j= i ? alog8[255-log8[i]] : 0; + j ^= (j<<1) ^ (j<<2) ^ (j<<3) ^ (j<<4); + j = (j ^ (j>>8) ^ 99) & 255; + inv_sbox[j]= i; + sbox [i]= j; + } + init_multbl2(dec_multbl[0], (const int[4]){0xe, 0x9, 0xd, 0xb}, log8, alog8, inv_sbox); + init_multbl2(enc_multbl[0], (const int[4]){0x2, 0x1, 0x1, 0x3}, log8, alog8, sbox); + } + + if(key_bits!=128 && key_bits!=192 && key_bits!=256) + return -1; + + a->rounds= rounds; + + memcpy(tk, key, KC*4); + + for(t= 0; t < (rounds+1)*16;) { + memcpy(a->round_key[0].u8+t, tk, KC*4); + t+= KC*4; + + for(i = 0; i < 4; i++) + tk[0][i] ^= sbox[tk[KC-1][(i+1)&3]]; + tk[0][0] ^= rcon[rconpointer++]; + + for(j = 1; j < KC; j++){ + if(KC != 8 || j != KC>>1) + for(i = 0; i < 4; i++) tk[j][i] ^= tk[j-1][i]; + else + for(i = 0; i < 4; i++) tk[j][i] ^= sbox[tk[j-1][i]]; + } + } + + if(decrypt){ + for(i=1; iround_key[i], 16); + subshift(&tmp[1], 0, sbox); + mix(tmp, dec_multbl, 1, 3); + memcpy(&a->round_key[i], &tmp[0], 16); + } + }else{ + for(i=0; i<(rounds+1)>>1; i++){ + for(j=0; j<16; j++) + FFSWAP(int, a->round_key[i].u8[j], a->round_key[rounds-i].u8[j]); + } + } + + return 0; +} + +#ifdef TEST +#include "lfg.h" +#include "log.h" + +int main(void){ + int i,j; + AVAES ae, ad, b; + uint8_t rkey[2][16]= { + {0}, + {0x10, 0xa5, 0x88, 0x69, 0xd7, 0x4b, 0xe5, 0xa3, 0x74, 0xcf, 0x86, 0x7c, 0xfb, 0x47, 0x38, 0x59}}; + uint8_t pt[16], rpt[2][16]= { + {0x6a, 0x84, 0x86, 0x7c, 0xd7, 0x7e, 0x12, 0xad, 0x07, 0xea, 0x1b, 0xe8, 0x95, 0xc5, 0x3f, 0xa3}, + {0}}; + uint8_t rct[2][16]= { + {0x73, 0x22, 0x81, 0xc0, 0xa0, 0xaa, 0xb8, 0xf7, 0xa5, 0x4a, 0x0c, 0x67, 0xa0, 0xc4, 0x5e, 0xcf}, + {0x6d, 0x25, 0x1e, 0x69, 0x44, 0xb0, 0x51, 0xe0, 0x4e, 0xaa, 0x6f, 0xb4, 0xdb, 0xf7, 0x84, 0x65}}; + uint8_t temp[16]; + AVLFG prng; + + av_aes_init(&ae, "PI=3.141592654..", 128, 0); + av_aes_init(&ad, "PI=3.141592654..", 128, 1); + av_log_set_level(AV_LOG_DEBUG); + av_lfg_init(&prng, 1); + + for(i=0; i<2; i++){ + av_aes_init(&b, rkey[i], 128, 1); + av_aes_crypt(&b, temp, rct[i], 1, NULL, 1); + for(j=0; j<16; j++) + if(rpt[i][j] != temp[j]) + av_log(NULL, AV_LOG_ERROR, "%d %02X %02X\n", j, rpt[i][j], temp[j]); + } + + for(i=0; i<10000; i++){ + for(j=0; j<16; j++){ + pt[j] = av_lfg_get(&prng); + } +{START_TIMER + av_aes_crypt(&ae, temp, pt, 1, NULL, 0); + if(!(i&(i-1))) + av_log(NULL, AV_LOG_ERROR, "%02X %02X %02X %02X\n", temp[0], temp[5], temp[10], temp[15]); + av_aes_crypt(&ad, temp, temp, 1, NULL, 1); +STOP_TIMER("aes")} + for(j=0; j<16; j++){ + if(pt[j] != temp[j]){ + av_log(NULL, AV_LOG_ERROR, "%d %d %02X %02X\n", i,j, pt[j], temp[j]); + } + } + } + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/aes.h b/lib/ffmpeg/libavutil/aes.h new file mode 100644 index 0000000000..368f70cbbb --- /dev/null +++ b/lib/ffmpeg/libavutil/aes.h @@ -0,0 +1,47 @@ +/* + * copyright (c) 2007 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AES_H +#define AVUTIL_AES_H + +#include + +extern const int av_aes_size; + +struct AVAES; + +/** + * Initialize an AVAES context. + * @param key_bits 128, 192 or 256 + * @param decrypt 0 for encryption, 1 for decryption + */ +int av_aes_init(struct AVAES *a, const uint8_t *key, int key_bits, int decrypt); + +/** + * Encrypt or decrypt a buffer using a previously initialized context. + * @param count number of 16 byte blocks + * @param dst destination array, can be equal to src + * @param src source array, can be equal to dst + * @param iv initialization vector for CBC mode, if NULL then ECB will be used + * @param decrypt 0 for encryption, 1 for decryption + */ +void av_aes_crypt(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt); + +#endif /* AVUTIL_AES_H */ diff --git a/lib/ffmpeg/libavutil/arm/bswap.h b/lib/ffmpeg/libavutil/arm/bswap.h new file mode 100644 index 0000000000..c5e74cc6d5 --- /dev/null +++ b/lib/ffmpeg/libavutil/arm/bswap.h @@ -0,0 +1,72 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_ARM_BSWAP_H +#define AVUTIL_ARM_BSWAP_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#ifdef __ARMCC_VERSION + +#if HAVE_ARMV6 +#define av_bswap16 av_bswap16 +static av_always_inline av_const unsigned av_bswap16(unsigned x) +{ + __asm { rev16 x, x } + return x; +} + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ + return __rev(x); +} +#endif /* HAVE_ARMV6 */ + +#elif HAVE_INLINE_ASM + +#if HAVE_ARMV6 +#define av_bswap16 av_bswap16 +static av_always_inline av_const unsigned av_bswap16(unsigned x) +{ + __asm__("rev16 %0, %0" : "+r"(x)); + return x; +} +#endif + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ +#if HAVE_ARMV6 + __asm__("rev %0, %0" : "+r"(x)); +#else + uint32_t t; + __asm__ ("eor %1, %0, %0, ror #16 \n\t" + "bic %1, %1, #0xFF0000 \n\t" + "mov %0, %0, ror #8 \n\t" + "eor %0, %0, %1, lsr #8 \n\t" + : "+r"(x), "=&r"(t)); +#endif /* HAVE_ARMV6 */ + return x; +} + +#endif /* __ARMCC_VERSION */ + +#endif /* AVUTIL_ARM_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/arm/intmath.h b/lib/ffmpeg/libavutil/arm/intmath.h new file mode 100644 index 0000000000..2c0aa3b11c --- /dev/null +++ b/lib/ffmpeg/libavutil/arm/intmath.h @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2010 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_ARM_INTMATH_H +#define AVUTIL_ARM_INTMATH_H + +#include + +#include "config.h" +#include "libavutil/attributes.h" + +#if HAVE_INLINE_ASM + +#if HAVE_ARMV6 + +#define FASTDIV FASTDIV +static inline av_const int FASTDIV(int a, int b) +{ + int r, t; + __asm__ volatile("cmp %3, #2 \n\t" + "ldr %1, [%4, %3, lsl #2] \n\t" + "lsrle %0, %2, #1 \n\t" + "smmulgt %0, %1, %2 \n\t" + : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse)); + return r; +} + +#define av_clip_uint8 av_clip_uint8_arm +static inline av_const uint8_t av_clip_uint8_arm(int a) +{ + unsigned x; + __asm__ volatile ("usat %0, #8, %1" : "=r"(x) : "r"(a)); + return x; +} + +#define av_clip_int8 av_clip_int8_arm +static inline av_const uint8_t av_clip_int8_arm(int a) +{ + unsigned x; + __asm__ volatile ("ssat %0, #8, %1" : "=r"(x) : "r"(a)); + return x; +} + +#define av_clip_uint16 av_clip_uint16_arm +static inline av_const uint16_t av_clip_uint16_arm(int a) +{ + unsigned x; + __asm__ volatile ("usat %0, #16, %1" : "=r"(x) : "r"(a)); + return x; +} + +#define av_clip_int16 av_clip_int16_arm +static inline av_const int16_t av_clip_int16_arm(int a) +{ + int x; + __asm__ volatile ("ssat %0, #16, %1" : "=r"(x) : "r"(a)); + return x; +} + +#else /* HAVE_ARMV6 */ + +#define FASTDIV FASTDIV +static inline av_const int FASTDIV(int a, int b) +{ + int r, t; + __asm__ volatile("umull %1, %0, %2, %3" + : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); + return r; +} + +#endif /* HAVE_ARMV6 */ + +#define av_clipl_int32 av_clipl_int32_arm +static inline av_const int32_t av_clipl_int32_arm(int64_t a) +{ + int x, y; + __asm__ volatile ("adds %1, %R2, %Q2, lsr #31 \n\t" + "mvnne %1, #1<<31 \n\t" + "eorne %0, %1, %R2, asr #31 \n\t" + : "=r"(x), "=&r"(y) : "r"(a)); + return x; +} + +#endif /* HAVE_INLINE_ASM */ + +#endif /* AVUTIL_ARM_INTMATH_H */ diff --git a/lib/ffmpeg/libavutil/arm/intreadwrite.h b/lib/ffmpeg/libavutil/arm/intreadwrite.h new file mode 100644 index 0000000000..011694d711 --- /dev/null +++ b/lib/ffmpeg/libavutil/arm/intreadwrite.h @@ -0,0 +1,78 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_ARM_INTREADWRITE_H +#define AVUTIL_ARM_INTREADWRITE_H + +#include +#include "config.h" + +#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM + +#define AV_RN16 AV_RN16 +static av_always_inline uint16_t AV_RN16(const void *p) +{ + uint16_t v; + __asm__ ("ldrh %0, %1" : "=r"(v) : "m"(*(const uint16_t *)p)); + return v; +} + +#define AV_WN16 AV_WN16 +static av_always_inline void AV_WN16(void *p, uint16_t v) +{ + __asm__ ("strh %1, %0" : "=m"(*(uint16_t *)p) : "r"(v)); +} + +#define AV_RN32 AV_RN32 +static av_always_inline uint32_t AV_RN32(const void *p) +{ + uint32_t v; + __asm__ ("ldr %0, %1" : "=r"(v) : "m"(*(const uint32_t *)p)); + return v; +} + +#define AV_WN32 AV_WN32 +static av_always_inline void AV_WN32(void *p, uint32_t v) +{ + __asm__ ("str %1, %0" : "=m"(*(uint32_t *)p) : "r"(v)); +} + +#define AV_RN64 AV_RN64 +static av_always_inline uint64_t AV_RN64(const void *p) +{ + union { uint64_t v; uint32_t hl[2]; } v; + __asm__ ("ldr %0, %2 \n\t" + "ldr %1, %3 \n\t" + : "=&r"(v.hl[0]), "=r"(v.hl[1]) + : "m"(*(const uint32_t*)p), "m"(*((const uint32_t*)p+1))); + return v.v; +} + +#define AV_WN64 AV_WN64 +static av_always_inline void AV_WN64(void *p, uint64_t v) +{ + union { uint64_t v; uint32_t hl[2]; } vv = { v }; + __asm__ ("str %2, %0 \n\t" + "str %3, %1 \n\t" + : "=m"(*(uint32_t*)p), "=m"(*((uint32_t*)p+1)) + : "r"(vv.hl[0]), "r"(vv.hl[1])); +} + +#endif /* HAVE_INLINE_ASM */ + +#endif /* AVUTIL_ARM_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/arm/timer.h b/lib/ffmpeg/libavutil/arm/timer.h new file mode 100644 index 0000000000..5e8bc8edd0 --- /dev/null +++ b/lib/ffmpeg/libavutil/arm/timer.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2009 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_ARM_TIMER_H +#define AVUTIL_ARM_TIMER_H + +#include +#include "config.h" + +#if HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__) + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + unsigned cc; + __asm__ volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r"(cc)); + return cc; +} + +#endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */ + +#endif /* AVUTIL_ARM_TIMER_H */ diff --git a/lib/ffmpeg/libavutil/attributes.h b/lib/ffmpeg/libavutil/attributes.h new file mode 100644 index 0000000000..a95bb02e89 --- /dev/null +++ b/lib/ffmpeg/libavutil/attributes.h @@ -0,0 +1,121 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Macro definitions for various function/variable attributes + */ + +#ifndef AVUTIL_ATTRIBUTES_H +#define AVUTIL_ATTRIBUTES_H + +#ifdef __GNUC__ +# define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y) +#else +# define AV_GCC_VERSION_AT_LEAST(x,y) 0 +#endif + +#ifndef av_always_inline +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_always_inline __attribute__((always_inline)) inline +#else +# define av_always_inline inline +#endif +#endif + +#ifndef av_noinline +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_noinline __attribute__((noinline)) +#else +# define av_noinline +#endif +#endif + +#ifndef av_pure +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define av_pure __attribute__((pure)) +#else +# define av_pure +#endif +#endif + +#ifndef av_const +#if AV_GCC_VERSION_AT_LEAST(2,6) +# define av_const __attribute__((const)) +#else +# define av_const +#endif +#endif + +#ifndef av_cold +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3) +# define av_cold __attribute__((cold)) +#else +# define av_cold +#endif +#endif + +#ifndef av_flatten +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,1) +# define av_flatten __attribute__((flatten)) +#else +# define av_flatten +#endif +#endif + +#ifndef attribute_deprecated +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define attribute_deprecated __attribute__((deprecated)) +#else +# define attribute_deprecated +#endif +#endif + +#ifndef av_unused +#if defined(__GNUC__) +# define av_unused __attribute__((unused)) +#else +# define av_unused +#endif +#endif + +#ifndef av_alias +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(3,3) +# define av_alias __attribute__((may_alias)) +#else +# define av_alias +#endif +#endif + +#ifndef av_uninit +#if defined(__GNUC__) && !defined(__ICC) +# define av_uninit(x) x=x +#else +# define av_uninit(x) x +#endif +#endif + +#ifdef __GNUC__ +# define av_builtin_constant_p __builtin_constant_p +#else +# define av_builtin_constant_p(x) 0 +#endif + +#endif /* AVUTIL_ATTRIBUTES_H */ diff --git a/lib/ffmpeg/libavutil/avr32/bswap.h b/lib/ffmpeg/libavutil/avr32/bswap.h new file mode 100644 index 0000000000..e79d53f369 --- /dev/null +++ b/lib/ffmpeg/libavutil/avr32/bswap.h @@ -0,0 +1,44 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AVR32_BSWAP_H +#define AVUTIL_AVR32_BSWAP_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#if HAVE_INLINE_ASM + +#define av_bswap16 av_bswap16 +static av_always_inline av_const uint16_t av_bswap16(uint16_t x) +{ + __asm__ ("swap.bh %0" : "+r"(x)); + return x; +} + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ + __asm__ ("swap.b %0" : "+r"(x)); + return x; +} + +#endif /* HAVE_INLINE_ASM */ + +#endif /* AVUTIL_AVR32_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/avr32/intreadwrite.h b/lib/ffmpeg/libavutil/avr32/intreadwrite.h new file mode 100644 index 0000000000..c6fd3aa470 --- /dev/null +++ b/lib/ffmpeg/libavutil/avr32/intreadwrite.h @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2009 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AVR32_INTREADWRITE_H +#define AVUTIL_AVR32_INTREADWRITE_H + +#include +#include "config.h" +#include "libavutil/bswap.h" + +/* + * AVR32 does not support unaligned memory accesses, except for the AP + * series which suppports unaligned 32-bit loads and stores. 16-bit + * and 64-bit accesses must be aligned to 16 and 32 bits, respectively. + * This means we cannot use the byte-swapping load/store instructions + * here. + * + * For 16-bit, 24-bit, and (on UC series) 32-bit loads, we instead use + * the LDINS.B instruction, which gcc fails to utilise with the + * generic code. GCC also fails to use plain LD.W and ST.W even for + * AP processors, so we override the generic code. The 64-bit + * versions are improved by using our optimised 32-bit functions. + */ + +#define AV_RL16 AV_RL16 +static av_always_inline uint16_t AV_RL16(const void *p) +{ + uint16_t v; + __asm__ ("ld.ub %0, %1 \n\t" + "ldins.b %0:l, %2 \n\t" + : "=&r"(v) + : "m"(*(const uint8_t*)p), "RKs12"(*((const uint8_t*)p+1))); + return v; +} + +#define AV_RB16 AV_RB16 +static av_always_inline uint16_t AV_RB16(const void *p) +{ + uint16_t v; + __asm__ ("ld.ub %0, %2 \n\t" + "ldins.b %0:l, %1 \n\t" + : "=&r"(v) + : "RKs12"(*(const uint8_t*)p), "m"(*((const uint8_t*)p+1))); + return v; +} + +#define AV_RB24 AV_RB24 +static av_always_inline uint32_t AV_RB24(const void *p) +{ + uint32_t v; + __asm__ ("ld.ub %0, %3 \n\t" + "ldins.b %0:l, %2 \n\t" + "ldins.b %0:u, %1 \n\t" + : "=&r"(v) + : "RKs12"(* (const uint8_t*)p), + "RKs12"(*((const uint8_t*)p+1)), + "m" (*((const uint8_t*)p+2))); + return v; +} + +#define AV_RL24 AV_RL24 +static av_always_inline uint32_t AV_RL24(const void *p) +{ + uint32_t v; + __asm__ ("ld.ub %0, %1 \n\t" + "ldins.b %0:l, %2 \n\t" + "ldins.b %0:u, %3 \n\t" + : "=&r"(v) + : "m" (* (const uint8_t*)p), + "RKs12"(*((const uint8_t*)p+1)), + "RKs12"(*((const uint8_t*)p+2))); + return v; +} + +#if ARCH_AVR32_AP + +#define AV_RB32 AV_RB32 +static av_always_inline uint32_t AV_RB32(const void *p) +{ + uint32_t v; + __asm__ ("ld.w %0, %1" : "=r"(v) : "m"(*(const uint32_t*)p)); + return v; +} + +#define AV_WB32 AV_WB32 +static av_always_inline void AV_WB32(void *p, uint32_t v) +{ + __asm__ ("st.w %0, %1" : "=m"(*(uint32_t*)p) : "r"(v)); +} + +/* These two would be defined by generic code, but we need them sooner. */ +#define AV_RL32(p) av_bswap32(AV_RB32(p)) +#define AV_WL32(p, v) AV_WB32(p, av_bswap32(v)) + +#define AV_WB64 AV_WB64 +static av_always_inline void AV_WB64(void *p, uint64_t v) +{ + union { uint64_t v; uint32_t hl[2]; } vv = { v }; + AV_WB32(p, vv.hl[0]); + AV_WB32((uint32_t*)p+1, vv.hl[1]); +} + +#define AV_WL64 AV_WL64 +static av_always_inline void AV_WL64(void *p, uint64_t v) +{ + union { uint64_t v; uint32_t hl[2]; } vv = { v }; + AV_WL32(p, vv.hl[1]); + AV_WL32((uint32_t*)p+1, vv.hl[0]); +} + +#else /* ARCH_AVR32_AP */ + +#define AV_RB32 AV_RB32 +static av_always_inline uint32_t AV_RB32(const void *p) +{ + uint32_t v; + __asm__ ("ld.ub %0, %4 \n\t" + "ldins.b %0:l, %3 \n\t" + "ldins.b %0:u, %2 \n\t" + "ldins.b %0:t, %1 \n\t" + : "=&r"(v) + : "RKs12"(* (const uint8_t*)p), + "RKs12"(*((const uint8_t*)p+1)), + "RKs12"(*((const uint8_t*)p+2)), + "m" (*((const uint8_t*)p+3))); + return v; +} + +#define AV_RL32 AV_RL32 +static av_always_inline uint32_t AV_RL32(const void *p) +{ + uint32_t v; + __asm__ ("ld.ub %0, %1 \n\t" + "ldins.b %0:l, %2 \n\t" + "ldins.b %0:u, %3 \n\t" + "ldins.b %0:t, %4 \n\t" + : "=&r"(v) + : "m" (* (const uint8_t*)p), + "RKs12"(*((const uint8_t*)p+1)), + "RKs12"(*((const uint8_t*)p+2)), + "RKs12"(*((const uint8_t*)p+3))); + return v; +} + +#endif /* ARCH_AVR32_AP */ + +#define AV_RB64 AV_RB64 +static av_always_inline uint64_t AV_RB64(const void *p) +{ + union { uint64_t v; uint32_t hl[2]; } v; + v.hl[0] = AV_RB32(p); + v.hl[1] = AV_RB32((const uint32_t*)p+1); + return v.v; +} + +#define AV_RL64 AV_RL64 +static av_always_inline uint64_t AV_RL64(const void *p) +{ + union { uint64_t v; uint32_t hl[2]; } v; + v.hl[1] = AV_RL32(p); + v.hl[0] = AV_RL32((const uint32_t*)p+1); + return v.v; +} + +#endif /* AVUTIL_AVR32_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/avstring.c b/lib/ffmpeg/libavutil/avstring.c new file mode 100644 index 0000000000..4844e28db2 --- /dev/null +++ b/lib/ffmpeg/libavutil/avstring.c @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * Copyright (c) 2007 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include "avstring.h" +#include "mem.h" + +int av_strstart(const char *str, const char *pfx, const char **ptr) +{ + while (*pfx && *pfx == *str) { + pfx++; + str++; + } + if (!*pfx && ptr) + *ptr = str; + return !*pfx; +} + +int av_stristart(const char *str, const char *pfx, const char **ptr) +{ + while (*pfx && toupper((unsigned)*pfx) == toupper((unsigned)*str)) { + pfx++; + str++; + } + if (!*pfx && ptr) + *ptr = str; + return !*pfx; +} + +char *av_stristr(const char *s1, const char *s2) +{ + if (!*s2) + return s1; + + do { + if (av_stristart(s1, s2, NULL)) + return s1; + } while (*s1++); + + return NULL; +} + +size_t av_strlcpy(char *dst, const char *src, size_t size) +{ + size_t len = 0; + while (++len < size && *src) + *dst++ = *src++; + if (len <= size) + *dst = 0; + return len + strlen(src) - 1; +} + +size_t av_strlcat(char *dst, const char *src, size_t size) +{ + size_t len = strlen(dst); + if (size <= len + 1) + return len + strlen(src); + return len + av_strlcpy(dst + len, src, size - len); +} + +size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) +{ + int len = strlen(dst); + va_list vl; + + va_start(vl, fmt); + len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl); + va_end(vl); + + return len; +} + +char *av_d2str(double d) +{ + char *str= av_malloc(16); + if(str) snprintf(str, 16, "%f", d); + return str; +} diff --git a/lib/ffmpeg/libavutil/avstring.h b/lib/ffmpeg/libavutil/avstring.h new file mode 100644 index 0000000000..01c2391b5f --- /dev/null +++ b/lib/ffmpeg/libavutil/avstring.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2007 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AVSTRING_H +#define AVUTIL_AVSTRING_H + +#include + +/** + * Return non-zero if pfx is a prefix of str. If it is, *ptr is set to + * the address of the first character in str after the prefix. + * + * @param str input string + * @param pfx prefix to test + * @param ptr updated if the prefix is matched inside str + * @return non-zero if the prefix matches, zero otherwise + */ +int av_strstart(const char *str, const char *pfx, const char **ptr); + +/** + * Return non-zero if pfx is a prefix of str independent of case. If + * it is, *ptr is set to the address of the first character in str + * after the prefix. + * + * @param str input string + * @param pfx prefix to test + * @param ptr updated if the prefix is matched inside str + * @return non-zero if the prefix matches, zero otherwise + */ +int av_stristart(const char *str, const char *pfx, const char **ptr); + +/** + * Locate the first case-independent occurrence in the string haystack + * of the string needle. A zero-length string needle is considered to + * match at the start of haystack. + * + * This function is a case-insensitive version of the standard strstr(). + * + * @param haystack string to search in + * @param needle string to search for + * @return pointer to the located match within haystack + * or a null pointer if no match + */ +char *av_stristr(const char *haystack, const char *needle); + +/** + * Copy the string src to dst, but no more than size - 1 bytes, and + * null-terminate dst. + * + * This function is the same as BSD strlcpy(). + * + * @param dst destination buffer + * @param src source string + * @param size size of destination buffer + * @return the length of src + * + * WARNING: since the return value is the length of src, src absolutely + * _must_ be a properly 0-terminated string, otherwise this will read beyond + * the end of the buffer and possibly crash. + */ +size_t av_strlcpy(char *dst, const char *src, size_t size); + +/** + * Append the string src to the string dst, but to a total length of + * no more than size - 1 bytes, and null-terminate dst. + * + * This function is similar to BSD strlcat(), but differs when + * size <= strlen(dst). + * + * @param dst destination buffer + * @param src source string + * @param size size of destination buffer + * @return the total length of src and dst + * + * WARNING: since the return value use the length of src and dst, these absolutely + * _must_ be a properly 0-terminated strings, otherwise this will read beyond + * the end of the buffer and possibly crash. + */ +size_t av_strlcat(char *dst, const char *src, size_t size); + +/** + * Append output to a string, according to a format. Never write out of + * the destination buffer, and always put a terminating 0 within + * the buffer. + * @param dst destination buffer (string to which the output is + * appended) + * @param size total size of the destination buffer + * @param fmt printf-compatible format string, specifying how the + * following parameters are used + * @return the length of the string that would have been generated + * if enough space had been available + */ +size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...); + +/** + * Convert a number to a av_malloced string. + */ +char *av_d2str(double d); + +#endif /* AVUTIL_AVSTRING_H */ diff --git a/lib/ffmpeg/libavutil/avutil.h b/lib/ffmpeg/libavutil/avutil.h new file mode 100644 index 0000000000..cd1f9bdf5b --- /dev/null +++ b/lib/ffmpeg/libavutil/avutil.h @@ -0,0 +1,89 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AVUTIL_H +#define AVUTIL_AVUTIL_H + +/** + * @file + * external API header + */ + + +#define AV_STRINGIFY(s) AV_TOSTRING(s) +#define AV_TOSTRING(s) #s + +#define AV_GLUE(a, b) a ## b +#define AV_JOIN(a, b) AV_GLUE(a, b) + +#define AV_PRAGMA(s) _Pragma(#s) + +#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c) +#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c +#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) + +#define LIBAVUTIL_VERSION_MAJOR 50 +#define LIBAVUTIL_VERSION_MINOR 22 +#define LIBAVUTIL_VERSION_MICRO 0 + +#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ + LIBAVUTIL_VERSION_MINOR, \ + LIBAVUTIL_VERSION_MICRO) +#define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \ + LIBAVUTIL_VERSION_MINOR, \ + LIBAVUTIL_VERSION_MICRO) +#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT + +#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) + +/** + * Return the LIBAVUTIL_VERSION_INT constant. + */ +unsigned avutil_version(void); + +/** + * Return the libavutil build-time configuration. + */ +const char *avutil_configuration(void); + +/** + * Return the libavutil license. + */ +const char *avutil_license(void); + +enum AVMediaType { + AVMEDIA_TYPE_UNKNOWN = -1, + AVMEDIA_TYPE_VIDEO, + AVMEDIA_TYPE_AUDIO, + AVMEDIA_TYPE_DATA, + AVMEDIA_TYPE_SUBTITLE, + AVMEDIA_TYPE_ATTACHMENT, + AVMEDIA_TYPE_NB +}; + +#include "common.h" +#include "error.h" +#include "mathematics.h" +#include "rational.h" +#include "intfloat_readwrite.h" +#include "log.h" +#include "pixfmt.h" + +#endif /* AVUTIL_AVUTIL_H */ diff --git a/lib/ffmpeg/libavutil/base64.c b/lib/ffmpeg/libavutil/base64.c new file mode 100644 index 0000000000..1b70fa9f33 --- /dev/null +++ b/lib/ffmpeg/libavutil/base64.c @@ -0,0 +1,164 @@ +/* + * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * @brief Base64 encode/decode + * @author Ryan Martell (with lots of Michael) + */ + +#include "common.h" +#include "base64.h" + +/* ---------------- private code */ +static const uint8_t map2[] = +{ + 0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36, + 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, + 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, + 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, + 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1a, 0x1b, + 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, + 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, + 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33 +}; + +int av_base64_decode(uint8_t *out, const char *in, int out_size) +{ + int i, v; + uint8_t *dst = out; + + v = 0; + for (i = 0; in[i] && in[i] != '='; i++) { + unsigned int index= in[i]-43; + if (index>=FF_ARRAY_ELEMS(map2) || map2[index] == 0xff) + return -1; + v = (v << 6) + map2[index]; + if (i & 3) { + if (dst - out < out_size) { + *dst++ = v >> (6 - 2 * (i & 3)); + } + } + } + + return dst - out; +} + +/***************************************************************************** +* b64_encode: Stolen from VLC's http.c. +* Simplified by Michael. +* Fixed edge cases and made it work from data (vs. strings) by Ryan. +*****************************************************************************/ + +char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size) +{ + static const char b64[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + char *ret, *dst; + unsigned i_bits = 0; + int i_shift = 0; + int bytes_remaining = in_size; + + if (in_size >= UINT_MAX / 4 || + out_size < AV_BASE64_SIZE(in_size)) + return NULL; + ret = dst = out; + while (bytes_remaining) { + i_bits = (i_bits << 8) + *in++; + bytes_remaining--; + i_shift += 8; + + do { + *dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f]; + i_shift -= 6; + } while (i_shift > 6 || (bytes_remaining == 0 && i_shift > 0)); + } + while ((dst - ret) & 3) + *dst++ = '='; + *dst = '\0'; + + return ret; +} + +#ifdef TEST + +#undef printf + +#define MAX_DATA_SIZE 1024 +#define MAX_ENCODED_SIZE 2048 + +static int test_encode_decode(const uint8_t *data, unsigned int data_size, + const char *encoded_ref) +{ + char encoded[MAX_ENCODED_SIZE]; + uint8_t data2[MAX_DATA_SIZE]; + int data2_size, max_data2_size = MAX_DATA_SIZE; + + if (!av_base64_encode(encoded, MAX_ENCODED_SIZE, data, data_size)) { + printf("Failed: cannot encode the input data\n"); + return 1; + } + if (encoded_ref && strcmp(encoded, encoded_ref)) { + printf("Failed: encoded string differs from reference\n" + "Encoded:\n%s\nReference:\n%s\n", encoded, encoded_ref); + return 1; + } + + if ((data2_size = av_base64_decode(data2, encoded, max_data2_size)) < 0) { + printf("Failed: cannot decode the encoded string\n" + "Encoded:\n%s\n", encoded); + return 1; + } + if (memcmp(data2, data, data_size)) { + printf("Failed: encoded/decoded data differs from original data\n"); + return 1; + } + + printf("Passed!\n"); + return 0; +} + +int main(void) +{ + int i, error_count = 0; + struct test { + const uint8_t *data; + const char *encoded_ref; + } tests[] = { + { "", ""}, + { "1", "MQ=="}, + { "22", "MjI="}, + { "333", "MzMz"}, + { "4444", "NDQ0NA=="}, + { "55555", "NTU1NTU="}, + { "666666", "NjY2NjY2"}, + { "abc:def", "YWJjOmRlZg=="}, + }; + + printf("Encoding/decoding tests\n"); + for (i = 0; i < FF_ARRAY_ELEMS(tests); i++) + error_count += test_encode_decode(tests[i].data, strlen(tests[i].data), tests[i].encoded_ref); + + return error_count; +} + +#endif diff --git a/lib/ffmpeg/libavutil/base64.h b/lib/ffmpeg/libavutil/base64.h new file mode 100644 index 0000000000..092980b093 --- /dev/null +++ b/lib/ffmpeg/libavutil/base64.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_BASE64_H +#define AVUTIL_BASE64_H + +#include + +/** + * Decode a base64-encoded string. + * + * @param out buffer for decoded data + * @param in null-terminated input string + * @param out_size size in bytes of the out buffer, must be at + * least 3/4 of the length of in + * @return number of bytes written, or a negative value in case of + * invalid input + */ +int av_base64_decode(uint8_t *out, const char *in, int out_size); + +/** + * Encode data to base64 and null-terminate. + * + * @param out buffer for encoded data + * @param out_size size in bytes of the output buffer, must be at + * least AV_BASE64_SIZE(in_size) + * @param in_size size in bytes of the 'in' buffer + * @return 'out' or NULL in case of error + */ +char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size); + +/** + * Calculate the output size needed to base64-encode x bytes. + */ +#define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1) + +#endif /* AVUTIL_BASE64_H */ diff --git a/lib/ffmpeg/libavutil/bfin/bswap.h b/lib/ffmpeg/libavutil/bfin/bswap.h new file mode 100644 index 0000000000..363ed40bc5 --- /dev/null +++ b/lib/ffmpeg/libavutil/bfin/bswap.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * byte swapping routines + */ + +#ifndef AVUTIL_BFIN_BSWAP_H +#define AVUTIL_BFIN_BSWAP_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ + unsigned tmp; + __asm__("%1 = %0 >> 8 (V); \n\t" + "%0 = %0 << 8 (V); \n\t" + "%0 = %0 | %1; \n\t" + "%0 = PACK(%0.L, %0.H); \n\t" + : "+d"(x), "=&d"(tmp)); + return x; +} + +#endif /* AVUTIL_BFIN_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/bfin/timer.h b/lib/ffmpeg/libavutil/bfin/timer.h new file mode 100644 index 0000000000..644573daec --- /dev/null +++ b/lib/ffmpeg/libavutil/bfin/timer.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_BFIN_TIMER_H +#define AVUTIL_BFIN_TIMER_H + +#include + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + union { + struct { + unsigned lo; + unsigned hi; + } p; + unsigned long long c; + } t; + __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); + return t.c; +} + +#endif /* AVUTIL_BFIN_TIMER_H */ diff --git a/lib/ffmpeg/libavutil/bswap.h b/lib/ffmpeg/libavutil/bswap.h new file mode 100644 index 0000000000..303bcf3532 --- /dev/null +++ b/lib/ffmpeg/libavutil/bswap.h @@ -0,0 +1,124 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * byte swapping routines + */ + +#ifndef AVUTIL_BSWAP_H +#define AVUTIL_BSWAP_H + +#include +#include "libavutil/avconfig.h" +#include "attributes.h" + +#ifdef HAVE_AV_CONFIG_H + +#include "config.h" + +#if ARCH_ARM +# include "arm/bswap.h" +#elif ARCH_AVR32 +# include "avr32/bswap.h" +#elif ARCH_BFIN +# include "bfin/bswap.h" +#elif ARCH_SH4 +# include "sh4/bswap.h" +#elif ARCH_X86 +# include "x86/bswap.h" +#endif + +#endif /* HAVE_AV_CONFIG_H */ + +#define AV_BSWAP16C(x) (((x) << 8 & 0xff00) | ((x) >> 8 & 0x00ff)) +#define AV_BSWAP32C(x) (AV_BSWAP16C(x) << 16 | AV_BSWAP16C((x) >> 16)) +#define AV_BSWAP64C(x) (AV_BSWAP32C(x) << 32 | AV_BSWAP32C((x) >> 32)) + +#define AV_BSWAPC(s, x) AV_BSWAP##s##C(x) + +#ifndef av_bswap16 +static av_always_inline av_const uint16_t av_bswap16(uint16_t x) +{ + x= (x>>8) | (x<<8); + return x; +} +#endif + +#ifndef av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ + x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF); + x= (x>>16) | (x<<16); + return x; +} +#endif + +#ifndef av_bswap64 +static inline uint64_t av_const av_bswap64(uint64_t x) +{ +#if 0 + x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL); + x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL); + return (x>>32) | (x<<32); +#else + union { + uint64_t ll; + uint32_t l[2]; + } w, r; + w.ll = x; + r.l[0] = av_bswap32 (w.l[1]); + r.l[1] = av_bswap32 (w.l[0]); + return r.ll; +#endif +} +#endif + +// be2ne ... big-endian to native-endian +// le2ne ... little-endian to native-endian + +#if AV_HAVE_BIGENDIAN +#define av_be2ne16(x) (x) +#define av_be2ne32(x) (x) +#define av_be2ne64(x) (x) +#define av_le2ne16(x) av_bswap16(x) +#define av_le2ne32(x) av_bswap32(x) +#define av_le2ne64(x) av_bswap64(x) +#define AV_BE2NEC(s, x) (x) +#define AV_LE2NEC(s, x) AV_BSWAPC(s, x) +#else +#define av_be2ne16(x) av_bswap16(x) +#define av_be2ne32(x) av_bswap32(x) +#define av_be2ne64(x) av_bswap64(x) +#define av_le2ne16(x) (x) +#define av_le2ne32(x) (x) +#define av_le2ne64(x) (x) +#define AV_BE2NEC(s, x) AV_BSWAPC(s, x) +#define AV_LE2NEC(s, x) (x) +#endif + +#define AV_BE2NE16C(x) AV_BE2NEC(16, x) +#define AV_BE2NE32C(x) AV_BE2NEC(32, x) +#define AV_BE2NE64C(x) AV_BE2NEC(64, x) +#define AV_LE2NE16C(x) AV_LE2NEC(16, x) +#define AV_LE2NE32C(x) AV_LE2NEC(32, x) +#define AV_LE2NE64C(x) AV_LE2NEC(64, x) + +#endif /* AVUTIL_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/colorspace.h b/lib/ffmpeg/libavutil/colorspace.h new file mode 100644 index 0000000000..f438159811 --- /dev/null +++ b/lib/ffmpeg/libavutil/colorspace.h @@ -0,0 +1,111 @@ +/* + * Colorspace conversion defines + * Copyright (c) 2001, 2002, 2003 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Various defines for YUV<->RGB conversion + */ + +#ifndef AVUTIL_COLORSPACE_H +#define AVUTIL_COLORSPACE_H + +#define SCALEBITS 10 +#define ONE_HALF (1 << (SCALEBITS - 1)) +#define FIX(x) ((int) ((x) * (1<> SCALEBITS];\ + g = cm[(y + g_add) >> SCALEBITS];\ + b = cm[(y + b_add) >> SCALEBITS];\ +} + +#define YUV_TO_RGB1(cb1, cr1)\ +{\ + cb = (cb1) - 128;\ + cr = (cr1) - 128;\ + r_add = FIX(1.40200) * cr + ONE_HALF;\ + g_add = - FIX(0.34414) * cb - FIX(0.71414) * cr + ONE_HALF;\ + b_add = FIX(1.77200) * cb + ONE_HALF;\ +} + +#define YUV_TO_RGB2(r, g, b, y1)\ +{\ + y = (y1) << SCALEBITS;\ + r = cm[(y + r_add) >> SCALEBITS];\ + g = cm[(y + g_add) >> SCALEBITS];\ + b = cm[(y + b_add) >> SCALEBITS];\ +} + +#define Y_CCIR_TO_JPEG(y)\ + cm[((y) * FIX(255.0/219.0) + (ONE_HALF - 16 * FIX(255.0/219.0))) >> SCALEBITS] + +#define Y_JPEG_TO_CCIR(y)\ + (((y) * FIX(219.0/255.0) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) + +#define C_CCIR_TO_JPEG(y)\ + cm[(((y) - 128) * FIX(127.0/112.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS] + +/* NOTE: the clamp is really necessary! */ +static inline int C_JPEG_TO_CCIR(int y) { + y = (((y - 128) * FIX(112.0/127.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS); + if (y < 16) + y = 16; + return y; +} + + +#define RGB_TO_Y(r, g, b) \ +((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \ + FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS) + +#define RGB_TO_U(r1, g1, b1, shift)\ +(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ + FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) + +#define RGB_TO_V(r1, g1, b1, shift)\ +(((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ + FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) + +#define RGB_TO_Y_CCIR(r, g, b) \ +((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \ + FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) + +#define RGB_TO_U_CCIR(r1, g1, b1, shift)\ +(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \ + FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) + +#define RGB_TO_V_CCIR(r1, g1, b1, shift)\ +(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \ + FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) + +#endif /* AVUTIL_COLORSPACE_H */ diff --git a/lib/ffmpeg/libavutil/common.h b/lib/ffmpeg/libavutil/common.h new file mode 100644 index 0000000000..5577a55bba --- /dev/null +++ b/lib/ffmpeg/libavutil/common.h @@ -0,0 +1,364 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * common internal and external API header + */ + +#ifndef AVUTIL_COMMON_H +#define AVUTIL_COMMON_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "attributes.h" + +//rounded division & shift +#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b)) +/* assume b>0 */ +#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b)) +#define FFABS(a) ((a) >= 0 ? (a) : (-(a))) +#define FFSIGN(a) ((a) > 0 ? 1 : -1) + +#define FFMAX(a,b) ((a) > (b) ? (a) : (b)) +#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c) +#define FFMIN(a,b) ((a) > (b) ? (b) : (a)) +#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c) + +#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0) +#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) +#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1)) + +/* misc math functions */ +extern const uint8_t ff_log2_tab[256]; + +extern const uint8_t av_reverse[256]; + +static inline av_const int av_log2_c(unsigned int v) +{ + int n = 0; + if (v & 0xffff0000) { + v >>= 16; + n += 16; + } + if (v & 0xff00) { + v >>= 8; + n += 8; + } + n += ff_log2_tab[v]; + + return n; +} + +static inline av_const int av_log2_16bit_c(unsigned int v) +{ + int n = 0; + if (v & 0xff00) { + v >>= 8; + n += 8; + } + n += ff_log2_tab[v]; + + return n; +} + +#ifdef HAVE_AV_CONFIG_H +# include "config.h" +# include "intmath.h" +#endif + +/* Pull in unguarded fallback defines at the end of this file. */ +#include "common.h" + +/** + * Clip a signed integer value into the amin-amax range. + * @param a value to clip + * @param amin minimum value of the clip range + * @param amax maximum value of the clip range + * @return clipped value + */ +static inline av_const int av_clip_c(int a, int amin, int amax) +{ + if (a < amin) return amin; + else if (a > amax) return amax; + else return a; +} + +/** + * Clip a signed integer value into the 0-255 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const uint8_t av_clip_uint8_c(int a) +{ + if (a&(~0xFF)) return (-a)>>31; + else return a; +} + +/** + * Clip a signed integer value into the -128,127 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const int8_t av_clip_int8_c(int a) +{ + if ((a+0x80) & ~0xFF) return (a>>31) ^ 0x7F; + else return a; +} + +/** + * Clip a signed integer value into the 0-65535 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const uint16_t av_clip_uint16_c(int a) +{ + if (a&(~0xFFFF)) return (-a)>>31; + else return a; +} + +/** + * Clip a signed integer value into the -32768,32767 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const int16_t av_clip_int16_c(int a) +{ + if ((a+0x8000) & ~0xFFFF) return (a>>31) ^ 0x7FFF; + else return a; +} + +/** + * Clip a signed 64-bit integer value into the -2147483648,2147483647 range. + * @param a value to clip + * @return clipped value + */ +static inline av_const int32_t av_clipl_int32_c(int64_t a) +{ + if ((a+0x80000000u) & ~UINT64_C(0xFFFFFFFF)) return (a>>63) ^ 0x7FFFFFFF; + else return a; +} + +/** + * Clip a float value into the amin-amax range. + * @param a value to clip + * @param amin minimum value of the clip range + * @param amax maximum value of the clip range + * @return clipped value + */ +static inline av_const float av_clipf_c(float a, float amin, float amax) +{ + if (a < amin) return amin; + else if (a > amax) return amax; + else return a; +} + +/** Compute ceil(log2(x)). + * @param x value used to compute ceil(log2(x)) + * @return computed ceiling of log2(x) + */ +static inline av_const int av_ceil_log2_c(int x) +{ + return av_log2((x - 1) << 1); +} + +/** + * Count number of bits set to one in x + * @param x value to count bits of + * @return the number of bits set to one in x + */ +static inline av_const int av_popcount_c(uint32_t x) +{ + x -= (x >> 1) & 0x55555555; + x = (x & 0x33333333) + ((x >> 2) & 0x33333333); + x = (x + (x >> 4)) & 0x0F0F0F0F; + x += x >> 8; + return (x + (x >> 16)) & 0x3F; +} + +#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24)) +#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((a) << 24)) + +/** + * Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form. + * + * @param val Output value, must be an lvalue of type uint32_t. + * @param GET_BYTE Expression reading one byte from the input. + * Evaluated up to 7 times (4 for the currently + * assigned Unicode range). With a memory buffer + * input, this could be *ptr++. + * @param ERROR Expression to be evaluated on invalid input, + * typically a goto statement. + */ +#define GET_UTF8(val, GET_BYTE, ERROR)\ + val= GET_BYTE;\ + {\ + int ones= 7 - av_log2(val ^ 255);\ + if(ones==1)\ + ERROR\ + val&= 127>>ones;\ + while(--ones > 0){\ + int tmp= GET_BYTE - 128;\ + if(tmp>>6)\ + ERROR\ + val= (val<<6) + tmp;\ + }\ + } + +/** + * Convert a UTF-16 character (2 or 4 bytes) to its 32-bit UCS-4 encoded form. + * + * @param val Output value, must be an lvalue of type uint32_t. + * @param GET_16BIT Expression returning two bytes of UTF-16 data converted + * to native byte order. Evaluated one or two times. + * @param ERROR Expression to be evaluated on invalid input, + * typically a goto statement. + */ +#define GET_UTF16(val, GET_16BIT, ERROR)\ + val = GET_16BIT;\ + {\ + unsigned int hi = val - 0xD800;\ + if (hi < 0x800) {\ + val = GET_16BIT - 0xDC00;\ + if (val > 0x3FFU || hi > 0x3FFU)\ + ERROR\ + val += (hi<<10) + 0x10000;\ + }\ + }\ + +/*! + * \def PUT_UTF8(val, tmp, PUT_BYTE) + * Convert a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long). + * \param val is an input-only argument and should be of type uint32_t. It holds + * a UCS-4 encoded Unicode character that is to be converted to UTF-8. If + * val is given as a function it is executed only once. + * \param tmp is a temporary variable and should be of type uint8_t. It + * represents an intermediate value during conversion that is to be + * output by PUT_BYTE. + * \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination. + * It could be a function or a statement, and uses tmp as the input byte. + * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be + * executed up to 4 times for values in the valid UTF-8 range and up to + * 7 times in the general case, depending on the length of the converted + * Unicode character. + */ +#define PUT_UTF8(val, tmp, PUT_BYTE)\ + {\ + int bytes, shift;\ + uint32_t in = val;\ + if (in < 0x80) {\ + tmp = in;\ + PUT_BYTE\ + } else {\ + bytes = (av_log2(in) + 4) / 5;\ + shift = (bytes - 1) * 6;\ + tmp = (256 - (256 >> bytes)) | (in >> shift);\ + PUT_BYTE\ + while (shift >= 6) {\ + shift -= 6;\ + tmp = 0x80 | ((in >> shift) & 0x3f);\ + PUT_BYTE\ + }\ + }\ + } + +/*! + * \def PUT_UTF16(val, tmp, PUT_16BIT) + * Convert a 32-bit Unicode character to its UTF-16 encoded form (2 or 4 bytes). + * \param val is an input-only argument and should be of type uint32_t. It holds + * a UCS-4 encoded Unicode character that is to be converted to UTF-16. If + * val is given as a function it is executed only once. + * \param tmp is a temporary variable and should be of type uint16_t. It + * represents an intermediate value during conversion that is to be + * output by PUT_16BIT. + * \param PUT_16BIT writes the converted UTF-16 data to any proper destination + * in desired endianness. It could be a function or a statement, and uses tmp + * as the input byte. For example, PUT_BYTE could be "*output++ = tmp;" + * PUT_BYTE will be executed 1 or 2 times depending on input character. + */ +#define PUT_UTF16(val, tmp, PUT_16BIT)\ + {\ + uint32_t in = val;\ + if (in < 0x10000) {\ + tmp = in;\ + PUT_16BIT\ + } else {\ + tmp = 0xD800 | ((in - 0x10000) >> 10);\ + PUT_16BIT\ + tmp = 0xDC00 | ((in - 0x10000) & 0x3FF);\ + PUT_16BIT\ + }\ + }\ + + + +#include "mem.h" + +#ifdef HAVE_AV_CONFIG_H +# include "internal.h" +#endif /* HAVE_AV_CONFIG_H */ + +#endif /* AVUTIL_COMMON_H */ + +/* + * The following definitions are outside the multiple inclusion guard + * to ensure they are immediately available in intmath.h. + */ + +#ifndef av_log2 +# define av_log2 av_log2_c +#endif +#ifndef av_log2_16bit +# define av_log2_16bit av_log2_16bit_c +#endif +#ifndef av_ceil_log2 +# define av_ceil_log2 av_ceil_log2_c +#endif +#ifndef av_clip +# define av_clip av_clip_c +#endif +#ifndef av_clip_uint8 +# define av_clip_uint8 av_clip_uint8_c +#endif +#ifndef av_clip_int8 +# define av_clip_int8 av_clip_int8_c +#endif +#ifndef av_clip_uint16 +# define av_clip_uint16 av_clip_uint16_c +#endif +#ifndef av_clip_int16 +# define av_clip_int16 av_clip_int16_c +#endif +#ifndef av_clipl_int32 +# define av_clipl_int32 av_clipl_int32_c +#endif +#ifndef av_clipf +# define av_clipf av_clipf_c +#endif +#ifndef av_popcount +# define av_popcount av_popcount_c +#endif diff --git a/lib/ffmpeg/libavutil/crc.c b/lib/ffmpeg/libavutil/crc.c new file mode 100644 index 0000000000..c3d74a2ce9 --- /dev/null +++ b/lib/ffmpeg/libavutil/crc.c @@ -0,0 +1,158 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "common.h" +#include "bswap.h" +#include "crc.h" + +#if CONFIG_HARDCODED_TABLES +#include "crc_data.h" +#else +static struct { + uint8_t le; + uint8_t bits; + uint32_t poly; +} av_crc_table_params[AV_CRC_MAX] = { + [AV_CRC_8_ATM] = { 0, 8, 0x07 }, + [AV_CRC_16_ANSI] = { 0, 16, 0x8005 }, + [AV_CRC_16_CCITT] = { 0, 16, 0x1021 }, + [AV_CRC_32_IEEE] = { 0, 32, 0x04C11DB7 }, + [AV_CRC_32_IEEE_LE] = { 1, 32, 0xEDB88320 }, +}; +static AVCRC av_crc_table[AV_CRC_MAX][257]; +#endif + +/** + * Initialize a CRC table. + * @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024 + * @param le If 1, the lowest bit represents the coefficient for the highest + * exponent of the corresponding polynomial (both for poly and + * actual CRC). + * If 0, you must swap the CRC parameter and the result of av_crc + * if you need the standard representation (can be simplified in + * most cases to e.g. bswap16): + * av_bswap32(crc << (32-bits)) + * @param bits number of bits for the CRC + * @param poly generator polynomial without the x**bits coefficient, in the + * representation as specified by le + * @param ctx_size size of ctx in bytes + * @return <0 on failure + */ +int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){ + int i, j; + uint32_t c; + + if (bits < 8 || bits > 32 || poly >= (1LL<>1)^(poly & (-(c&1))); + ctx[i] = c; + } else { + for (c = i << 24, j = 0; j < 8; j++) + c = (c<<1) ^ ((poly<<(32-bits)) & (((int32_t)c)>>31) ); + ctx[i] = av_bswap32(c); + } + } + ctx[256]=1; +#if !CONFIG_SMALL + if(ctx_size >= sizeof(AVCRC)*1024) + for (i = 0; i < 256; i++) + for(j=0; j<3; j++) + ctx[256*(j+1) + i]= (ctx[256*j + i]>>8) ^ ctx[ ctx[256*j + i]&0xFF ]; +#endif + + return 0; +} + +/** + * Get an initialized standard CRC table. + * @param crc_id ID of a standard CRC + * @return a pointer to the CRC table or NULL on failure + */ +const AVCRC *av_crc_get_table(AVCRCId crc_id){ +#if !CONFIG_HARDCODED_TABLES + if (!av_crc_table[crc_id][FF_ARRAY_ELEMS(av_crc_table[crc_id])-1]) + if (av_crc_init(av_crc_table[crc_id], + av_crc_table_params[crc_id].le, + av_crc_table_params[crc_id].bits, + av_crc_table_params[crc_id].poly, + sizeof(av_crc_table[crc_id])) < 0) + return NULL; +#endif + return av_crc_table[crc_id]; +} + +/** + * Calculate the CRC of a block. + * @param crc CRC of previous blocks if any or initial value for CRC + * @return CRC updated with the data from the given block + * + * @see av_crc_init() "le" parameter + */ +uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t length){ + const uint8_t *end= buffer+length; + +#if !CONFIG_SMALL + if(!ctx[256]) { + while(((intptr_t) buffer & 3) && buffer < end) + crc = ctx[((uint8_t)crc) ^ *buffer++] ^ (crc >> 8); + + while(buffer>8 )&0xFF)] + ^ctx[1*256 + ((crc>>16)&0xFF)] + ^ctx[0*256 + ((crc>>24) )]; + } + } +#endif + while(buffer> 8); + + return crc; +} + +#ifdef TEST +#undef printf +int main(void){ + uint8_t buf[1999]; + int i; + int p[4][3]={{AV_CRC_32_IEEE_LE, 0xEDB88320, 0x3D5CDD04}, + {AV_CRC_32_IEEE , 0x04C11DB7, 0xC0F5BAE0}, + {AV_CRC_16_ANSI , 0x8005, 0x1FBB }, + {AV_CRC_8_ATM , 0x07, 0xE3 },}; + const AVCRC *ctx; + + for(i=0; i + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_CRC_H +#define AVUTIL_CRC_H + +#include +#include +#include "attributes.h" + +typedef uint32_t AVCRC; + +typedef enum { + AV_CRC_8_ATM, + AV_CRC_16_ANSI, + AV_CRC_16_CCITT, + AV_CRC_32_IEEE, + AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */ + AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */ +}AVCRCId; + +int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size); +const AVCRC *av_crc_get_table(AVCRCId crc_id); +uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure; + +#endif /* AVUTIL_CRC_H */ + diff --git a/lib/ffmpeg/libavutil/crc_data.h b/lib/ffmpeg/libavutil/crc_data.h new file mode 100644 index 0000000000..afa25e7cfc --- /dev/null +++ b/lib/ffmpeg/libavutil/crc_data.h @@ -0,0 +1,213 @@ +/* + * copyright (c) 2008 Aurelien Jacobs + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_CRC_DATA_H +#define AVUTIL_CRC_DATA_H + +#include "crc.h" + +static const AVCRC av_crc_table[AV_CRC_MAX][257] = { + [AV_CRC_8_ATM] = { + 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, + 0x24, 0x23, 0x2A, 0x2D, 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, + 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, 0xE0, 0xE7, 0xEE, 0xE9, + 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD, + 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, + 0xB4, 0xB3, 0xBA, 0xBD, 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, + 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, 0xB7, 0xB0, 0xB9, 0xBE, + 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A, + 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, + 0x03, 0x04, 0x0D, 0x0A, 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, + 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, 0x89, 0x8E, 0x87, 0x80, + 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4, + 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, + 0xDD, 0xDA, 0xD3, 0xD4, 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, + 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, 0x19, 0x1E, 0x17, 0x10, + 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34, + 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, + 0x6A, 0x6D, 0x64, 0x63, 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, + 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, 0xAE, 0xA9, 0xA0, 0xA7, + 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83, + 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, + 0xFA, 0xFD, 0xF4, 0xF3, 0x01 + }, + [AV_CRC_16_ANSI] = { + 0x0000, 0x0580, 0x0F80, 0x0A00, 0x1B80, 0x1E00, 0x1400, 0x1180, + 0x3380, 0x3600, 0x3C00, 0x3980, 0x2800, 0x2D80, 0x2780, 0x2200, + 0x6380, 0x6600, 0x6C00, 0x6980, 0x7800, 0x7D80, 0x7780, 0x7200, + 0x5000, 0x5580, 0x5F80, 0x5A00, 0x4B80, 0x4E00, 0x4400, 0x4180, + 0xC380, 0xC600, 0xCC00, 0xC980, 0xD800, 0xDD80, 0xD780, 0xD200, + 0xF000, 0xF580, 0xFF80, 0xFA00, 0xEB80, 0xEE00, 0xE400, 0xE180, + 0xA000, 0xA580, 0xAF80, 0xAA00, 0xBB80, 0xBE00, 0xB400, 0xB180, + 0x9380, 0x9600, 0x9C00, 0x9980, 0x8800, 0x8D80, 0x8780, 0x8200, + 0x8381, 0x8601, 0x8C01, 0x8981, 0x9801, 0x9D81, 0x9781, 0x9201, + 0xB001, 0xB581, 0xBF81, 0xBA01, 0xAB81, 0xAE01, 0xA401, 0xA181, + 0xE001, 0xE581, 0xEF81, 0xEA01, 0xFB81, 0xFE01, 0xF401, 0xF181, + 0xD381, 0xD601, 0xDC01, 0xD981, 0xC801, 0xCD81, 0xC781, 0xC201, + 0x4001, 0x4581, 0x4F81, 0x4A01, 0x5B81, 0x5E01, 0x5401, 0x5181, + 0x7381, 0x7601, 0x7C01, 0x7981, 0x6801, 0x6D81, 0x6781, 0x6201, + 0x2381, 0x2601, 0x2C01, 0x2981, 0x3801, 0x3D81, 0x3781, 0x3201, + 0x1001, 0x1581, 0x1F81, 0x1A01, 0x0B81, 0x0E01, 0x0401, 0x0181, + 0x0383, 0x0603, 0x0C03, 0x0983, 0x1803, 0x1D83, 0x1783, 0x1203, + 0x3003, 0x3583, 0x3F83, 0x3A03, 0x2B83, 0x2E03, 0x2403, 0x2183, + 0x6003, 0x6583, 0x6F83, 0x6A03, 0x7B83, 0x7E03, 0x7403, 0x7183, + 0x5383, 0x5603, 0x5C03, 0x5983, 0x4803, 0x4D83, 0x4783, 0x4203, + 0xC003, 0xC583, 0xCF83, 0xCA03, 0xDB83, 0xDE03, 0xD403, 0xD183, + 0xF383, 0xF603, 0xFC03, 0xF983, 0xE803, 0xED83, 0xE783, 0xE203, + 0xA383, 0xA603, 0xAC03, 0xA983, 0xB803, 0xBD83, 0xB783, 0xB203, + 0x9003, 0x9583, 0x9F83, 0x9A03, 0x8B83, 0x8E03, 0x8403, 0x8183, + 0x8002, 0x8582, 0x8F82, 0x8A02, 0x9B82, 0x9E02, 0x9402, 0x9182, + 0xB382, 0xB602, 0xBC02, 0xB982, 0xA802, 0xAD82, 0xA782, 0xA202, + 0xE382, 0xE602, 0xEC02, 0xE982, 0xF802, 0xFD82, 0xF782, 0xF202, + 0xD002, 0xD582, 0xDF82, 0xDA02, 0xCB82, 0xCE02, 0xC402, 0xC182, + 0x4382, 0x4602, 0x4C02, 0x4982, 0x5802, 0x5D82, 0x5782, 0x5202, + 0x7002, 0x7582, 0x7F82, 0x7A02, 0x6B82, 0x6E02, 0x6402, 0x6182, + 0x2002, 0x2582, 0x2F82, 0x2A02, 0x3B82, 0x3E02, 0x3402, 0x3182, + 0x1382, 0x1602, 0x1C02, 0x1982, 0x0802, 0x0D82, 0x0782, 0x0202, + 0x0001 + }, + [AV_CRC_16_CCITT] = { + 0x0000, 0x2110, 0x4220, 0x6330, 0x8440, 0xA550, 0xC660, 0xE770, + 0x0881, 0x2991, 0x4AA1, 0x6BB1, 0x8CC1, 0xADD1, 0xCEE1, 0xEFF1, + 0x3112, 0x1002, 0x7332, 0x5222, 0xB552, 0x9442, 0xF772, 0xD662, + 0x3993, 0x1883, 0x7BB3, 0x5AA3, 0xBDD3, 0x9CC3, 0xFFF3, 0xDEE3, + 0x6224, 0x4334, 0x2004, 0x0114, 0xE664, 0xC774, 0xA444, 0x8554, + 0x6AA5, 0x4BB5, 0x2885, 0x0995, 0xEEE5, 0xCFF5, 0xACC5, 0x8DD5, + 0x5336, 0x7226, 0x1116, 0x3006, 0xD776, 0xF666, 0x9556, 0xB446, + 0x5BB7, 0x7AA7, 0x1997, 0x3887, 0xDFF7, 0xFEE7, 0x9DD7, 0xBCC7, + 0xC448, 0xE558, 0x8668, 0xA778, 0x4008, 0x6118, 0x0228, 0x2338, + 0xCCC9, 0xEDD9, 0x8EE9, 0xAFF9, 0x4889, 0x6999, 0x0AA9, 0x2BB9, + 0xF55A, 0xD44A, 0xB77A, 0x966A, 0x711A, 0x500A, 0x333A, 0x122A, + 0xFDDB, 0xDCCB, 0xBFFB, 0x9EEB, 0x799B, 0x588B, 0x3BBB, 0x1AAB, + 0xA66C, 0x877C, 0xE44C, 0xC55C, 0x222C, 0x033C, 0x600C, 0x411C, + 0xAEED, 0x8FFD, 0xECCD, 0xCDDD, 0x2AAD, 0x0BBD, 0x688D, 0x499D, + 0x977E, 0xB66E, 0xD55E, 0xF44E, 0x133E, 0x322E, 0x511E, 0x700E, + 0x9FFF, 0xBEEF, 0xDDDF, 0xFCCF, 0x1BBF, 0x3AAF, 0x599F, 0x788F, + 0x8891, 0xA981, 0xCAB1, 0xEBA1, 0x0CD1, 0x2DC1, 0x4EF1, 0x6FE1, + 0x8010, 0xA100, 0xC230, 0xE320, 0x0450, 0x2540, 0x4670, 0x6760, + 0xB983, 0x9893, 0xFBA3, 0xDAB3, 0x3DC3, 0x1CD3, 0x7FE3, 0x5EF3, + 0xB102, 0x9012, 0xF322, 0xD232, 0x3542, 0x1452, 0x7762, 0x5672, + 0xEAB5, 0xCBA5, 0xA895, 0x8985, 0x6EF5, 0x4FE5, 0x2CD5, 0x0DC5, + 0xE234, 0xC324, 0xA014, 0x8104, 0x6674, 0x4764, 0x2454, 0x0544, + 0xDBA7, 0xFAB7, 0x9987, 0xB897, 0x5FE7, 0x7EF7, 0x1DC7, 0x3CD7, + 0xD326, 0xF236, 0x9106, 0xB016, 0x5766, 0x7676, 0x1546, 0x3456, + 0x4CD9, 0x6DC9, 0x0EF9, 0x2FE9, 0xC899, 0xE989, 0x8AB9, 0xABA9, + 0x4458, 0x6548, 0x0678, 0x2768, 0xC018, 0xE108, 0x8238, 0xA328, + 0x7DCB, 0x5CDB, 0x3FEB, 0x1EFB, 0xF98B, 0xD89B, 0xBBAB, 0x9ABB, + 0x754A, 0x545A, 0x376A, 0x167A, 0xF10A, 0xD01A, 0xB32A, 0x923A, + 0x2EFD, 0x0FED, 0x6CDD, 0x4DCD, 0xAABD, 0x8BAD, 0xE89D, 0xC98D, + 0x267C, 0x076C, 0x645C, 0x454C, 0xA23C, 0x832C, 0xE01C, 0xC10C, + 0x1FEF, 0x3EFF, 0x5DCF, 0x7CDF, 0x9BAF, 0xBABF, 0xD98F, 0xF89F, + 0x176E, 0x367E, 0x554E, 0x745E, 0x932E, 0xB23E, 0xD10E, 0xF01E, + 0x0001 + }, + [AV_CRC_32_IEEE] = { + 0x00000000, 0xB71DC104, 0x6E3B8209, 0xD926430D, 0xDC760413, 0x6B6BC517, + 0xB24D861A, 0x0550471E, 0xB8ED0826, 0x0FF0C922, 0xD6D68A2F, 0x61CB4B2B, + 0x649B0C35, 0xD386CD31, 0x0AA08E3C, 0xBDBD4F38, 0x70DB114C, 0xC7C6D048, + 0x1EE09345, 0xA9FD5241, 0xACAD155F, 0x1BB0D45B, 0xC2969756, 0x758B5652, + 0xC836196A, 0x7F2BD86E, 0xA60D9B63, 0x11105A67, 0x14401D79, 0xA35DDC7D, + 0x7A7B9F70, 0xCD665E74, 0xE0B62398, 0x57ABE29C, 0x8E8DA191, 0x39906095, + 0x3CC0278B, 0x8BDDE68F, 0x52FBA582, 0xE5E66486, 0x585B2BBE, 0xEF46EABA, + 0x3660A9B7, 0x817D68B3, 0x842D2FAD, 0x3330EEA9, 0xEA16ADA4, 0x5D0B6CA0, + 0x906D32D4, 0x2770F3D0, 0xFE56B0DD, 0x494B71D9, 0x4C1B36C7, 0xFB06F7C3, + 0x2220B4CE, 0x953D75CA, 0x28803AF2, 0x9F9DFBF6, 0x46BBB8FB, 0xF1A679FF, + 0xF4F63EE1, 0x43EBFFE5, 0x9ACDBCE8, 0x2DD07DEC, 0x77708634, 0xC06D4730, + 0x194B043D, 0xAE56C539, 0xAB068227, 0x1C1B4323, 0xC53D002E, 0x7220C12A, + 0xCF9D8E12, 0x78804F16, 0xA1A60C1B, 0x16BBCD1F, 0x13EB8A01, 0xA4F64B05, + 0x7DD00808, 0xCACDC90C, 0x07AB9778, 0xB0B6567C, 0x69901571, 0xDE8DD475, + 0xDBDD936B, 0x6CC0526F, 0xB5E61162, 0x02FBD066, 0xBF469F5E, 0x085B5E5A, + 0xD17D1D57, 0x6660DC53, 0x63309B4D, 0xD42D5A49, 0x0D0B1944, 0xBA16D840, + 0x97C6A5AC, 0x20DB64A8, 0xF9FD27A5, 0x4EE0E6A1, 0x4BB0A1BF, 0xFCAD60BB, + 0x258B23B6, 0x9296E2B2, 0x2F2BAD8A, 0x98366C8E, 0x41102F83, 0xF60DEE87, + 0xF35DA999, 0x4440689D, 0x9D662B90, 0x2A7BEA94, 0xE71DB4E0, 0x500075E4, + 0x892636E9, 0x3E3BF7ED, 0x3B6BB0F3, 0x8C7671F7, 0x555032FA, 0xE24DF3FE, + 0x5FF0BCC6, 0xE8ED7DC2, 0x31CB3ECF, 0x86D6FFCB, 0x8386B8D5, 0x349B79D1, + 0xEDBD3ADC, 0x5AA0FBD8, 0xEEE00C69, 0x59FDCD6D, 0x80DB8E60, 0x37C64F64, + 0x3296087A, 0x858BC97E, 0x5CAD8A73, 0xEBB04B77, 0x560D044F, 0xE110C54B, + 0x38368646, 0x8F2B4742, 0x8A7B005C, 0x3D66C158, 0xE4408255, 0x535D4351, + 0x9E3B1D25, 0x2926DC21, 0xF0009F2C, 0x471D5E28, 0x424D1936, 0xF550D832, + 0x2C769B3F, 0x9B6B5A3B, 0x26D61503, 0x91CBD407, 0x48ED970A, 0xFFF0560E, + 0xFAA01110, 0x4DBDD014, 0x949B9319, 0x2386521D, 0x0E562FF1, 0xB94BEEF5, + 0x606DADF8, 0xD7706CFC, 0xD2202BE2, 0x653DEAE6, 0xBC1BA9EB, 0x0B0668EF, + 0xB6BB27D7, 0x01A6E6D3, 0xD880A5DE, 0x6F9D64DA, 0x6ACD23C4, 0xDDD0E2C0, + 0x04F6A1CD, 0xB3EB60C9, 0x7E8D3EBD, 0xC990FFB9, 0x10B6BCB4, 0xA7AB7DB0, + 0xA2FB3AAE, 0x15E6FBAA, 0xCCC0B8A7, 0x7BDD79A3, 0xC660369B, 0x717DF79F, + 0xA85BB492, 0x1F467596, 0x1A163288, 0xAD0BF38C, 0x742DB081, 0xC3307185, + 0x99908A5D, 0x2E8D4B59, 0xF7AB0854, 0x40B6C950, 0x45E68E4E, 0xF2FB4F4A, + 0x2BDD0C47, 0x9CC0CD43, 0x217D827B, 0x9660437F, 0x4F460072, 0xF85BC176, + 0xFD0B8668, 0x4A16476C, 0x93300461, 0x242DC565, 0xE94B9B11, 0x5E565A15, + 0x87701918, 0x306DD81C, 0x353D9F02, 0x82205E06, 0x5B061D0B, 0xEC1BDC0F, + 0x51A69337, 0xE6BB5233, 0x3F9D113E, 0x8880D03A, 0x8DD09724, 0x3ACD5620, + 0xE3EB152D, 0x54F6D429, 0x7926A9C5, 0xCE3B68C1, 0x171D2BCC, 0xA000EAC8, + 0xA550ADD6, 0x124D6CD2, 0xCB6B2FDF, 0x7C76EEDB, 0xC1CBA1E3, 0x76D660E7, + 0xAFF023EA, 0x18EDE2EE, 0x1DBDA5F0, 0xAAA064F4, 0x738627F9, 0xC49BE6FD, + 0x09FDB889, 0xBEE0798D, 0x67C63A80, 0xD0DBFB84, 0xD58BBC9A, 0x62967D9E, + 0xBBB03E93, 0x0CADFF97, 0xB110B0AF, 0x060D71AB, 0xDF2B32A6, 0x6836F3A2, + 0x6D66B4BC, 0xDA7B75B8, 0x035D36B5, 0xB440F7B1, 0x00000001 + }, + [AV_CRC_32_IEEE_LE] = { + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, + 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, + 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2, + 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, + 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, + 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, + 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, + 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, + 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106, + 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, + 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, + 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, + 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, + 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, + 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, + 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, + 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, + 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, + 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, + 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, + 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E, + 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, + 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, + 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, + 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, + 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, + 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242, + 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, + 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, + 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, + 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, + 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, + 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D, 0x00000001 + }, +}; + +#endif /* AVUTIL_CRC_DATA_H */ diff --git a/lib/ffmpeg/libavutil/des.c b/lib/ffmpeg/libavutil/des.c new file mode 100644 index 0000000000..9c1a530666 --- /dev/null +++ b/lib/ffmpeg/libavutil/des.c @@ -0,0 +1,435 @@ +/* + * DES encryption/decryption + * Copyright (c) 2007 Reimar Doeffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include +#include "avutil.h" +#include "common.h" +#include "intreadwrite.h" +#include "des.h" + +typedef struct AVDES AVDES; + +#define T(a, b, c, d, e, f, g, h) 64-a,64-b,64-c,64-d,64-e,64-f,64-g,64-h +static const uint8_t IP_shuffle[] = { + T(58, 50, 42, 34, 26, 18, 10, 2), + T(60, 52, 44, 36, 28, 20, 12, 4), + T(62, 54, 46, 38, 30, 22, 14, 6), + T(64, 56, 48, 40, 32, 24, 16, 8), + T(57, 49, 41, 33, 25, 17, 9, 1), + T(59, 51, 43, 35, 27, 19, 11, 3), + T(61, 53, 45, 37, 29, 21, 13, 5), + T(63, 55, 47, 39, 31, 23, 15, 7) +}; +#undef T + +#define T(a, b, c, d) 32-a,32-b,32-c,32-d +static const uint8_t P_shuffle[] = { + T(16, 7, 20, 21), + T(29, 12, 28, 17), + T( 1, 15, 23, 26), + T( 5, 18, 31, 10), + T( 2, 8, 24, 14), + T(32, 27, 3, 9), + T(19, 13, 30, 6), + T(22, 11, 4, 25) +}; +#undef T + +#define T(a, b, c, d, e, f, g) 64-a,64-b,64-c,64-d,64-e,64-f,64-g +static const uint8_t PC1_shuffle[] = { + T(57, 49, 41, 33, 25, 17, 9), + T( 1, 58, 50, 42, 34, 26, 18), + T(10, 2, 59, 51, 43, 35, 27), + T(19, 11, 3, 60, 52, 44, 36), + T(63, 55, 47, 39, 31, 23, 15), + T( 7, 62, 54, 46, 38, 30, 22), + T(14, 6, 61, 53, 45, 37, 29), + T(21, 13, 5, 28, 20, 12, 4) +}; +#undef T + +#define T(a, b, c, d, e, f) 56-a,56-b,56-c,56-d,56-e,56-f +static const uint8_t PC2_shuffle[] = { + T(14, 17, 11, 24, 1, 5), + T( 3, 28, 15, 6, 21, 10), + T(23, 19, 12, 4, 26, 8), + T(16, 7, 27, 20, 13, 2), + T(41, 52, 31, 37, 47, 55), + T(30, 40, 51, 45, 33, 48), + T(44, 49, 39, 56, 34, 53), + T(46, 42, 50, 36, 29, 32) +}; +#undef T + +#if CONFIG_SMALL +static const uint8_t S_boxes[8][32] = { + { + 0x0e, 0xf4, 0x7d, 0x41, 0xe2, 0x2f, 0xdb, 0x18, 0xa3, 0x6a, 0xc6, 0xbc, 0x95, 0x59, 0x30, 0x87, + 0xf4, 0xc1, 0x8e, 0x28, 0x4d, 0x96, 0x12, 0x7b, 0x5f, 0xbc, 0x39, 0xe7, 0xa3, 0x0a, 0x65, 0xd0, + }, { + 0x3f, 0xd1, 0x48, 0x7e, 0xf6, 0x2b, 0x83, 0xe4, 0xc9, 0x07, 0x12, 0xad, 0x6c, 0x90, 0xb5, 0x5a, + 0xd0, 0x8e, 0xa7, 0x1b, 0x3a, 0xf4, 0x4d, 0x21, 0xb5, 0x68, 0x7c, 0xc6, 0x09, 0x53, 0xe2, 0x9f, + }, { + 0xda, 0x70, 0x09, 0x9e, 0x36, 0x43, 0x6f, 0xa5, 0x21, 0x8d, 0x5c, 0xe7, 0xcb, 0xb4, 0xf2, 0x18, + 0x1d, 0xa6, 0xd4, 0x09, 0x68, 0x9f, 0x83, 0x70, 0x4b, 0xf1, 0xe2, 0x3c, 0xb5, 0x5a, 0x2e, 0xc7, + }, { + 0xd7, 0x8d, 0xbe, 0x53, 0x60, 0xf6, 0x09, 0x3a, 0x41, 0x72, 0x28, 0xc5, 0x1b, 0xac, 0xe4, 0x9f, + 0x3a, 0xf6, 0x09, 0x60, 0xac, 0x1b, 0xd7, 0x8d, 0x9f, 0x41, 0x53, 0xbe, 0xc5, 0x72, 0x28, 0xe4, + }, { + 0xe2, 0xbc, 0x24, 0xc1, 0x47, 0x7a, 0xdb, 0x16, 0x58, 0x05, 0xf3, 0xaf, 0x3d, 0x90, 0x8e, 0x69, + 0xb4, 0x82, 0xc1, 0x7b, 0x1a, 0xed, 0x27, 0xd8, 0x6f, 0xf9, 0x0c, 0x95, 0xa6, 0x43, 0x50, 0x3e, + }, { + 0xac, 0xf1, 0x4a, 0x2f, 0x79, 0xc2, 0x96, 0x58, 0x60, 0x1d, 0xd3, 0xe4, 0x0e, 0xb7, 0x35, 0x8b, + 0x49, 0x3e, 0x2f, 0xc5, 0x92, 0x58, 0xfc, 0xa3, 0xb7, 0xe0, 0x14, 0x7a, 0x61, 0x0d, 0x8b, 0xd6, + }, { + 0xd4, 0x0b, 0xb2, 0x7e, 0x4f, 0x90, 0x18, 0xad, 0xe3, 0x3c, 0x59, 0xc7, 0x25, 0xfa, 0x86, 0x61, + 0x61, 0xb4, 0xdb, 0x8d, 0x1c, 0x43, 0xa7, 0x7e, 0x9a, 0x5f, 0x06, 0xf8, 0xe0, 0x25, 0x39, 0xc2, + }, { + 0x1d, 0xf2, 0xd8, 0x84, 0xa6, 0x3f, 0x7b, 0x41, 0xca, 0x59, 0x63, 0xbe, 0x05, 0xe0, 0x9c, 0x27, + 0x27, 0x1b, 0xe4, 0x71, 0x49, 0xac, 0x8e, 0xd2, 0xf0, 0xc6, 0x9a, 0x0d, 0x3f, 0x53, 0x65, 0xb8, + } +}; +#else +/** + * This table contains the results of applying both the S-box and P-shuffle. + * It can be regenerated by compiling this file with -DCONFIG_SMALL -DTEST -DGENTABLES + */ +static const uint32_t S_boxes_P_shuffle[8][64] = { + { + 0x00808200, 0x00000000, 0x00008000, 0x00808202, 0x00808002, 0x00008202, 0x00000002, 0x00008000, + 0x00000200, 0x00808200, 0x00808202, 0x00000200, 0x00800202, 0x00808002, 0x00800000, 0x00000002, + 0x00000202, 0x00800200, 0x00800200, 0x00008200, 0x00008200, 0x00808000, 0x00808000, 0x00800202, + 0x00008002, 0x00800002, 0x00800002, 0x00008002, 0x00000000, 0x00000202, 0x00008202, 0x00800000, + 0x00008000, 0x00808202, 0x00000002, 0x00808000, 0x00808200, 0x00800000, 0x00800000, 0x00000200, + 0x00808002, 0x00008000, 0x00008200, 0x00800002, 0x00000200, 0x00000002, 0x00800202, 0x00008202, + 0x00808202, 0x00008002, 0x00808000, 0x00800202, 0x00800002, 0x00000202, 0x00008202, 0x00808200, + 0x00000202, 0x00800200, 0x00800200, 0x00000000, 0x00008002, 0x00008200, 0x00000000, 0x00808002, + }, + { + 0x40084010, 0x40004000, 0x00004000, 0x00084010, 0x00080000, 0x00000010, 0x40080010, 0x40004010, + 0x40000010, 0x40084010, 0x40084000, 0x40000000, 0x40004000, 0x00080000, 0x00000010, 0x40080010, + 0x00084000, 0x00080010, 0x40004010, 0x00000000, 0x40000000, 0x00004000, 0x00084010, 0x40080000, + 0x00080010, 0x40000010, 0x00000000, 0x00084000, 0x00004010, 0x40084000, 0x40080000, 0x00004010, + 0x00000000, 0x00084010, 0x40080010, 0x00080000, 0x40004010, 0x40080000, 0x40084000, 0x00004000, + 0x40080000, 0x40004000, 0x00000010, 0x40084010, 0x00084010, 0x00000010, 0x00004000, 0x40000000, + 0x00004010, 0x40084000, 0x00080000, 0x40000010, 0x00080010, 0x40004010, 0x40000010, 0x00080010, + 0x00084000, 0x00000000, 0x40004000, 0x00004010, 0x40000000, 0x40080010, 0x40084010, 0x00084000, + }, + { + 0x00000104, 0x04010100, 0x00000000, 0x04010004, 0x04000100, 0x00000000, 0x00010104, 0x04000100, + 0x00010004, 0x04000004, 0x04000004, 0x00010000, 0x04010104, 0x00010004, 0x04010000, 0x00000104, + 0x04000000, 0x00000004, 0x04010100, 0x00000100, 0x00010100, 0x04010000, 0x04010004, 0x00010104, + 0x04000104, 0x00010100, 0x00010000, 0x04000104, 0x00000004, 0x04010104, 0x00000100, 0x04000000, + 0x04010100, 0x04000000, 0x00010004, 0x00000104, 0x00010000, 0x04010100, 0x04000100, 0x00000000, + 0x00000100, 0x00010004, 0x04010104, 0x04000100, 0x04000004, 0x00000100, 0x00000000, 0x04010004, + 0x04000104, 0x00010000, 0x04000000, 0x04010104, 0x00000004, 0x00010104, 0x00010100, 0x04000004, + 0x04010000, 0x04000104, 0x00000104, 0x04010000, 0x00010104, 0x00000004, 0x04010004, 0x00010100, + }, + { + 0x80401000, 0x80001040, 0x80001040, 0x00000040, 0x00401040, 0x80400040, 0x80400000, 0x80001000, + 0x00000000, 0x00401000, 0x00401000, 0x80401040, 0x80000040, 0x00000000, 0x00400040, 0x80400000, + 0x80000000, 0x00001000, 0x00400000, 0x80401000, 0x00000040, 0x00400000, 0x80001000, 0x00001040, + 0x80400040, 0x80000000, 0x00001040, 0x00400040, 0x00001000, 0x00401040, 0x80401040, 0x80000040, + 0x00400040, 0x80400000, 0x00401000, 0x80401040, 0x80000040, 0x00000000, 0x00000000, 0x00401000, + 0x00001040, 0x00400040, 0x80400040, 0x80000000, 0x80401000, 0x80001040, 0x80001040, 0x00000040, + 0x80401040, 0x80000040, 0x80000000, 0x00001000, 0x80400000, 0x80001000, 0x00401040, 0x80400040, + 0x80001000, 0x00001040, 0x00400000, 0x80401000, 0x00000040, 0x00400000, 0x00001000, 0x00401040, + }, + { + 0x00000080, 0x01040080, 0x01040000, 0x21000080, 0x00040000, 0x00000080, 0x20000000, 0x01040000, + 0x20040080, 0x00040000, 0x01000080, 0x20040080, 0x21000080, 0x21040000, 0x00040080, 0x20000000, + 0x01000000, 0x20040000, 0x20040000, 0x00000000, 0x20000080, 0x21040080, 0x21040080, 0x01000080, + 0x21040000, 0x20000080, 0x00000000, 0x21000000, 0x01040080, 0x01000000, 0x21000000, 0x00040080, + 0x00040000, 0x21000080, 0x00000080, 0x01000000, 0x20000000, 0x01040000, 0x21000080, 0x20040080, + 0x01000080, 0x20000000, 0x21040000, 0x01040080, 0x20040080, 0x00000080, 0x01000000, 0x21040000, + 0x21040080, 0x00040080, 0x21000000, 0x21040080, 0x01040000, 0x00000000, 0x20040000, 0x21000000, + 0x00040080, 0x01000080, 0x20000080, 0x00040000, 0x00000000, 0x20040000, 0x01040080, 0x20000080, + }, + { + 0x10000008, 0x10200000, 0x00002000, 0x10202008, 0x10200000, 0x00000008, 0x10202008, 0x00200000, + 0x10002000, 0x00202008, 0x00200000, 0x10000008, 0x00200008, 0x10002000, 0x10000000, 0x00002008, + 0x00000000, 0x00200008, 0x10002008, 0x00002000, 0x00202000, 0x10002008, 0x00000008, 0x10200008, + 0x10200008, 0x00000000, 0x00202008, 0x10202000, 0x00002008, 0x00202000, 0x10202000, 0x10000000, + 0x10002000, 0x00000008, 0x10200008, 0x00202000, 0x10202008, 0x00200000, 0x00002008, 0x10000008, + 0x00200000, 0x10002000, 0x10000000, 0x00002008, 0x10000008, 0x10202008, 0x00202000, 0x10200000, + 0x00202008, 0x10202000, 0x00000000, 0x10200008, 0x00000008, 0x00002000, 0x10200000, 0x00202008, + 0x00002000, 0x00200008, 0x10002008, 0x00000000, 0x10202000, 0x10000000, 0x00200008, 0x10002008, + }, + { + 0x00100000, 0x02100001, 0x02000401, 0x00000000, 0x00000400, 0x02000401, 0x00100401, 0x02100400, + 0x02100401, 0x00100000, 0x00000000, 0x02000001, 0x00000001, 0x02000000, 0x02100001, 0x00000401, + 0x02000400, 0x00100401, 0x00100001, 0x02000400, 0x02000001, 0x02100000, 0x02100400, 0x00100001, + 0x02100000, 0x00000400, 0x00000401, 0x02100401, 0x00100400, 0x00000001, 0x02000000, 0x00100400, + 0x02000000, 0x00100400, 0x00100000, 0x02000401, 0x02000401, 0x02100001, 0x02100001, 0x00000001, + 0x00100001, 0x02000000, 0x02000400, 0x00100000, 0x02100400, 0x00000401, 0x00100401, 0x02100400, + 0x00000401, 0x02000001, 0x02100401, 0x02100000, 0x00100400, 0x00000000, 0x00000001, 0x02100401, + 0x00000000, 0x00100401, 0x02100000, 0x00000400, 0x02000001, 0x02000400, 0x00000400, 0x00100001, + }, + { + 0x08000820, 0x00000800, 0x00020000, 0x08020820, 0x08000000, 0x08000820, 0x00000020, 0x08000000, + 0x00020020, 0x08020000, 0x08020820, 0x00020800, 0x08020800, 0x00020820, 0x00000800, 0x00000020, + 0x08020000, 0x08000020, 0x08000800, 0x00000820, 0x00020800, 0x00020020, 0x08020020, 0x08020800, + 0x00000820, 0x00000000, 0x00000000, 0x08020020, 0x08000020, 0x08000800, 0x00020820, 0x00020000, + 0x00020820, 0x00020000, 0x08020800, 0x00000800, 0x00000020, 0x08020020, 0x00000800, 0x00020820, + 0x08000800, 0x00000020, 0x08000020, 0x08020000, 0x08020020, 0x08000000, 0x00020000, 0x08000820, + 0x00000000, 0x08020820, 0x00020020, 0x08000020, 0x08020000, 0x08000800, 0x08000820, 0x00000000, + 0x08020820, 0x00020800, 0x00020800, 0x00000820, 0x00000820, 0x00020020, 0x08000000, 0x08020800, + }, +}; +#endif + +static uint64_t shuffle(uint64_t in, const uint8_t *shuffle, int shuffle_len) { + int i; + uint64_t res = 0; + for (i = 0; i < shuffle_len; i++) + res += res + ((in >> *shuffle++) & 1); + return res; +} + +static uint64_t shuffle_inv(uint64_t in, const uint8_t *shuffle, int shuffle_len) { + int i; + uint64_t res = 0; + shuffle += shuffle_len - 1; + for (i = 0; i < shuffle_len; i++) { + res |= (in & 1) << *shuffle--; + in >>= 1; + } + return res; +} + +static uint32_t f_func(uint32_t r, uint64_t k) { + int i; + uint32_t out = 0; + // rotate to get first part of E-shuffle in the lowest 6 bits + r = (r << 1) | (r >> 31); + // apply S-boxes, those compress the data again from 8 * 6 to 8 * 4 bits + for (i = 7; i >= 0; i--) { + uint8_t tmp = (r ^ k) & 0x3f; +#if CONFIG_SMALL + uint8_t v = S_boxes[i][tmp >> 1]; + if (tmp & 1) v >>= 4; + out = (out >> 4) | (v << 28); +#else + out |= S_boxes_P_shuffle[i][tmp]; +#endif + // get next 6 bits of E-shuffle and round key k into the lowest bits + r = (r >> 4) | (r << 28); + k >>= 6; + } +#if CONFIG_SMALL + out = shuffle(out, P_shuffle, sizeof(P_shuffle)); +#endif + return out; +} + +/** + * \brief rotate the two halves of the expanded 56 bit key each 1 bit left + * + * Note: the specification calls this "shift", so I kept it although + * it is confusing. + */ +static uint64_t key_shift_left(uint64_t CDn) { + uint64_t carries = (CDn >> 27) & 0x10000001; + CDn <<= 1; + CDn &= ~0x10000001; + CDn |= carries; + return CDn; +} + +static void gen_roundkeys(uint64_t K[16], uint64_t key) { + int i; + // discard parity bits from key and shuffle it into C and D parts + uint64_t CDn = shuffle(key, PC1_shuffle, sizeof(PC1_shuffle)); + // generate round keys + for (i = 0; i < 16; i++) { + CDn = key_shift_left(CDn); + if (i > 1 && i != 8 && i != 15) + CDn = key_shift_left(CDn); + K[i] = shuffle(CDn, PC2_shuffle, sizeof(PC2_shuffle)); + } +} + +static uint64_t des_encdec(uint64_t in, uint64_t K[16], int decrypt) { + int i; + // used to apply round keys in reverse order for decryption + decrypt = decrypt ? 15 : 0; + // shuffle irrelevant to security but to ease hardware implementations + in = shuffle(in, IP_shuffle, sizeof(IP_shuffle)); + for (i = 0; i < 16; i++) { + uint32_t f_res; + f_res = f_func(in, K[decrypt ^ i]); + in = (in << 32) | (in >> 32); + in ^= f_res; + } + in = (in << 32) | (in >> 32); + // reverse shuffle used to ease hardware implementations + in = shuffle_inv(in, IP_shuffle, sizeof(IP_shuffle)); + return in; +} + +int av_des_init(AVDES *d, const uint8_t *key, int key_bits, int decrypt) { + if (key_bits != 64 && key_bits != 192) + return -1; + d->triple_des = key_bits > 64; + gen_roundkeys(d->round_keys[0], AV_RB64(key)); + if (d->triple_des) { + gen_roundkeys(d->round_keys[1], AV_RB64(key + 8)); + gen_roundkeys(d->round_keys[2], AV_RB64(key + 16)); + } + return 0; +} + +void av_des_crypt(AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) { + uint64_t iv_val = iv ? av_be2ne64(*(uint64_t *)iv) : 0; + while (count-- > 0) { + uint64_t dst_val; + uint64_t src_val = src ? av_be2ne64(*(const uint64_t *)src) : 0; + if (decrypt) { + uint64_t tmp = src_val; + if (d->triple_des) { + src_val = des_encdec(src_val, d->round_keys[2], 1); + src_val = des_encdec(src_val, d->round_keys[1], 0); + } + dst_val = des_encdec(src_val, d->round_keys[0], 1) ^ iv_val; + iv_val = iv ? tmp : 0; + } else { + dst_val = des_encdec(src_val ^ iv_val, d->round_keys[0], 0); + if (d->triple_des) { + dst_val = des_encdec(dst_val, d->round_keys[1], 1); + dst_val = des_encdec(dst_val, d->round_keys[2], 0); + } + iv_val = iv ? dst_val : 0; + } + *(uint64_t *)dst = av_be2ne64(dst_val); + src += 8; + dst += 8; + } + if (iv) + *(uint64_t *)iv = av_be2ne64(iv_val); +} + +#ifdef TEST +#undef printf +#undef rand +#undef srand +#include +#include +#include +static uint64_t rand64(void) { + uint64_t r = rand(); + r = (r << 32) | rand(); + return r; +} + +static const uint8_t test_key[] = {0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0}; +static const DECLARE_ALIGNED(8, uint8_t, plain)[] = {0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}; +static const DECLARE_ALIGNED(8, uint8_t, crypt)[] = {0x4a, 0xb6, 0x5b, 0x3d, 0x4b, 0x06, 0x15, 0x18}; +static DECLARE_ALIGNED(8, uint8_t, tmp)[8]; +static DECLARE_ALIGNED(8, uint8_t, large_buffer)[10002][8]; +static const uint8_t cbc_key[] = { + 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, + 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23 +}; + +static int run_test(int cbc, int decrypt) { + AVDES d; + int delay = cbc && !decrypt ? 2 : 1; + uint64_t res; + AV_WB64(large_buffer[0], 0x4e6f772069732074ULL); + AV_WB64(large_buffer[1], 0x1234567890abcdefULL); + AV_WB64(tmp, 0x1234567890abcdefULL); + av_des_init(&d, cbc_key, 192, decrypt); + av_des_crypt(&d, large_buffer[delay], large_buffer[0], 10000, cbc ? tmp : NULL, decrypt); + res = AV_RB64(large_buffer[9999 + delay]); + if (cbc) { + if (decrypt) + return res == 0xc5cecf63ecec514cULL; + else + return res == 0xcb191f85d1ed8439ULL; + } else { + if (decrypt) + return res == 0x8325397644091a0aULL; + else + return res == 0xdd17e8b8b437d232ULL; + } +} + +int main(void) { + AVDES d; + int i; +#ifdef GENTABLES + int j; +#endif + struct timeval tv; + uint64_t key[3]; + uint64_t data; + uint64_t ct; + uint64_t roundkeys[16]; + gettimeofday(&tv, NULL); + srand(tv.tv_sec * 1000 * 1000 + tv.tv_usec); + key[0] = AV_RB64(test_key); + data = AV_RB64(plain); + gen_roundkeys(roundkeys, key[0]); + if (des_encdec(data, roundkeys, 0) != AV_RB64(crypt)) { + printf("Test 1 failed\n"); + return 1; + } + av_des_init(&d, test_key, 64, 0); + av_des_crypt(&d, tmp, plain, 1, NULL, 0); + if (memcmp(tmp, crypt, sizeof(crypt))) { + printf("Public API decryption failed\n"); + return 1; + } + if (!run_test(0, 0) || !run_test(0, 1) || !run_test(1, 0) || !run_test(1, 1)) { + printf("Partial Monte-Carlo test failed\n"); + return 1; + } + for (i = 0; i < 1000000; i++) { + key[0] = rand64(); key[1] = rand64(); key[2] = rand64(); + data = rand64(); + av_des_init(&d, key, 192, 0); + av_des_crypt(&d, &ct, &data, 1, NULL, 0); + av_des_init(&d, key, 192, 1); + av_des_crypt(&d, &ct, &ct, 1, NULL, 1); + if (ct != data) { + printf("Test 2 failed\n"); + return 1; + } + } +#ifdef GENTABLES + printf("static const uint32_t S_boxes_P_shuffle[8][64] = {\n"); + for (i = 0; i < 8; i++) { + printf(" {"); + for (j = 0; j < 64; j++) { + uint32_t v = S_boxes[i][j >> 1]; + v = j & 1 ? v >> 4 : v & 0xf; + v <<= 28 - 4 * i; + v = shuffle(v, P_shuffle, sizeof(P_shuffle)); + printf((j & 7) == 0 ? "\n " : " "); + printf("0x%08X,", v); + } + printf("\n },\n"); + } + printf("};\n"); +#endif + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/des.h b/lib/ffmpeg/libavutil/des.h new file mode 100644 index 0000000000..e80bdd3e69 --- /dev/null +++ b/lib/ffmpeg/libavutil/des.h @@ -0,0 +1,52 @@ +/* + * DES encryption/decryption + * Copyright (c) 2007 Reimar Doeffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_DES_H +#define AVUTIL_DES_H + +#include + +struct AVDES { + uint64_t round_keys[3][16]; + int triple_des; +}; + +/** + * \brief Initializes an AVDES context. + * + * \param key_bits must be 64 or 192 + * \param decrypt 0 for encryption, 1 for decryption + */ +int av_des_init(struct AVDES *d, const uint8_t *key, int key_bits, int decrypt); + +/** + * \brief Encrypts / decrypts using the DES algorithm. + * + * \param count number of 8 byte blocks + * \param dst destination array, can be equal to src, must be 8-byte aligned + * \param src source array, can be equal to dst, must be 8-byte aligned, may be NULL + * \param iv initialization vector for CBC mode, if NULL then ECB will be used, + * must be 8-byte aligned + * \param decrypt 0 for encryption, 1 for decryption + */ +void av_des_crypt(struct AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt); + +#endif /* AVUTIL_DES_H */ diff --git a/lib/ffmpeg/libavutil/error.c b/lib/ffmpeg/libavutil/error.c new file mode 100644 index 0000000000..b6d6019061 --- /dev/null +++ b/lib/ffmpeg/libavutil/error.c @@ -0,0 +1,47 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "avutil.h" +#include "avstring.h" + +int av_strerror(int errnum, char *errbuf, size_t errbuf_size) +{ + int ret = 0; + const char *errstr = NULL; + + switch (errnum) { + case AVERROR_EOF: errstr = "End of file"; break; + case AVERROR_INVALIDDATA: errstr = "Invalid data found when processing input"; break; + case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break; + case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break; + } + + if (errstr) { + av_strlcpy(errbuf, errstr, errbuf_size); + } else { +#if HAVE_STRERROR_R + ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size); +#else + ret = -1; +#endif + if (ret < 0) + snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum); + } + + return ret; +} diff --git a/lib/ffmpeg/libavutil/error.h b/lib/ffmpeg/libavutil/error.h new file mode 100644 index 0000000000..28fa925793 --- /dev/null +++ b/lib/ffmpeg/libavutil/error.h @@ -0,0 +1,74 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * error code definitions + */ + +#ifndef AVUTIL_ERROR_H +#define AVUTIL_ERROR_H + +#include +#include "avutil.h" + +/* error handling */ +#if EDOM > 0 +#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions. +#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value. +#else +/* Some platforms have E* and errno already negated. */ +#define AVERROR(e) (e) +#define AVUNERROR(e) (e) +#endif + +#if LIBAVUTIL_VERSION_MAJOR < 51 +#define AVERROR_INVALIDDATA AVERROR(EINVAL) ///< Invalid data found when processing input +#define AVERROR_IO AVERROR(EIO) ///< I/O error +#define AVERROR_NOENT AVERROR(ENOENT) ///< No such file or directory +#define AVERROR_NOFMT AVERROR(EILSEQ) ///< Unknown format +#define AVERROR_NOMEM AVERROR(ENOMEM) ///< Not enough memory +#define AVERROR_NOTSUPP AVERROR(ENOSYS) ///< Operation not supported +#define AVERROR_NUMEXPECTED AVERROR(EDOM) ///< Number syntax expected in filename +#define AVERROR_UNKNOWN AVERROR(EINVAL) ///< Unknown error +#endif + +#define AVERROR_EOF AVERROR(EPIPE) ///< End of file + +#define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome + +#if LIBAVUTIL_VERSION_MAJOR > 50 +#define AVERROR_INVALIDDATA (-MKTAG('I','N','D','A')) ///< Invalid data found when processing input +#define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename +#endif + +/** + * Put a description of the AVERROR code errnum in errbuf. + * In case of failure the global variable errno is set to indicate the + * error. Even in case of failure av_strerror() will print a generic + * error message indicating the errnum provided to errbuf. + * + * @param errnum error code to describe + * @param errbuf buffer to which description is written + * @param errbuf_size the size in bytes of errbuf + * @return 0 on success, a negative value if a description for errnum + * cannot be found + */ +int av_strerror(int errnum, char *errbuf, size_t errbuf_size); + +#endif /* AVUTIL_ERROR_H */ diff --git a/lib/ffmpeg/libavutil/eval.c b/lib/ffmpeg/libavutil/eval.c new file mode 100644 index 0000000000..6e0349872b --- /dev/null +++ b/lib/ffmpeg/libavutil/eval.c @@ -0,0 +1,591 @@ +/* + * Copyright (c) 2002-2006 Michael Niedermayer + * Copyright (c) 2006 Oded Shimon + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * simple arithmetic expression evaluator. + * + * see http://joe.hotchkiss.com/programming/eval/eval.html + */ + +#include "libavutil/avutil.h" +#include "eval.h" + +typedef struct Parser { + const AVClass *class; + int stack_index; + char *s; + const double *const_values; + const char * const *const_names; // NULL terminated + double (* const *funcs1)(void *, double a); // NULL terminated + const char * const *func1_names; // NULL terminated + double (* const *funcs2)(void *, double a, double b); // NULL terminated + const char * const *func2_names; // NULL terminated + void *opaque; + int log_offset; + void *log_ctx; +#define VARS 10 + double var[VARS]; +} Parser; + +static const AVClass class = { "Eval", av_default_item_name, NULL, LIBAVUTIL_VERSION_INT, offsetof(Parser,log_offset), offsetof(Parser,log_ctx) }; + +static const int8_t si_prefixes['z' - 'E' + 1] = { + ['y'-'E']= -24, + ['z'-'E']= -21, + ['a'-'E']= -18, + ['f'-'E']= -15, + ['p'-'E']= -12, + ['n'-'E']= - 9, + ['u'-'E']= - 6, + ['m'-'E']= - 3, + ['c'-'E']= - 2, + ['d'-'E']= - 1, + ['h'-'E']= 2, + ['k'-'E']= 3, + ['K'-'E']= 3, + ['M'-'E']= 6, + ['G'-'E']= 9, + ['T'-'E']= 12, + ['P'-'E']= 15, + ['E'-'E']= 18, + ['Z'-'E']= 21, + ['Y'-'E']= 24, +}; + +double av_strtod(const char *numstr, char **tail) +{ + double d; + char *next; + d = strtod(numstr, &next); + /* if parsing succeeded, check for and interpret postfixes */ + if (next!=numstr) { + if (*next >= 'E' && *next <= 'z') { + int e= si_prefixes[*next - 'E']; + if (e) { + if (next[1] == 'i') { + d*= pow( 2, e/0.3); + next+=2; + } else { + d*= pow(10, e); + next++; + } + } + } + + if (*next=='B') { + d*=8; + next++; + } + } + /* if requested, fill in tail with the position after the last parsed + character */ + if (tail) + *tail = next; + return d; +} + +static int strmatch(const char *s, const char *prefix) +{ + int i; + for (i=0; prefix[i]; i++) { + if (prefix[i] != s[i]) return 0; + } + return 1; +} + +struct AVExpr { + enum { + e_value, e_const, e_func0, e_func1, e_func2, + e_squish, e_gauss, e_ld, + e_mod, e_max, e_min, e_eq, e_gt, e_gte, + e_pow, e_mul, e_div, e_add, + e_last, e_st, e_while, + } type; + double value; // is sign in other types + union { + int const_index; + double (*func0)(double); + double (*func1)(void *, double); + double (*func2)(void *, double, double); + } a; + struct AVExpr *param[2]; +}; + +static double eval_expr(Parser *p, AVExpr *e) +{ + switch (e->type) { + case e_value: return e->value; + case e_const: return e->value * p->const_values[e->a.const_index]; + case e_func0: return e->value * e->a.func0(eval_expr(p, e->param[0])); + case e_func1: return e->value * e->a.func1(p->opaque, eval_expr(p, e->param[0])); + case e_func2: return e->value * e->a.func2(p->opaque, eval_expr(p, e->param[0]), eval_expr(p, e->param[1])); + case e_squish: return 1/(1+exp(4*eval_expr(p, e->param[0]))); + case e_gauss: { double d = eval_expr(p, e->param[0]); return exp(-d*d/2)/sqrt(2*M_PI); } + case e_ld: return e->value * p->var[av_clip(eval_expr(p, e->param[0]), 0, VARS-1)]; + case e_while: { + double d = NAN; + while (eval_expr(p, e->param[0])) + d=eval_expr(p, e->param[1]); + return d; + } + default: { + double d = eval_expr(p, e->param[0]); + double d2 = eval_expr(p, e->param[1]); + switch (e->type) { + case e_mod: return e->value * (d - floor(d/d2)*d2); + case e_max: return e->value * (d > d2 ? d : d2); + case e_min: return e->value * (d < d2 ? d : d2); + case e_eq: return e->value * (d == d2 ? 1.0 : 0.0); + case e_gt: return e->value * (d > d2 ? 1.0 : 0.0); + case e_gte: return e->value * (d >= d2 ? 1.0 : 0.0); + case e_pow: return e->value * pow(d, d2); + case e_mul: return e->value * (d * d2); + case e_div: return e->value * (d / d2); + case e_add: return e->value * (d + d2); + case e_last:return e->value * d2; + case e_st : return e->value * (p->var[av_clip(d, 0, VARS-1)]= d2); + } + } + } + return NAN; +} + +static int parse_expr(AVExpr **e, Parser *p); + +void av_free_expr(AVExpr *e) +{ + if (!e) return; + av_free_expr(e->param[0]); + av_free_expr(e->param[1]); + av_freep(&e); +} + +static int parse_primary(AVExpr **e, Parser *p) +{ + AVExpr *d = av_mallocz(sizeof(AVExpr)); + char *next = p->s, *s0 = p->s; + int ret, i; + + if (!d) + return AVERROR(ENOMEM); + + /* number */ + d->value = av_strtod(p->s, &next); + if (next != p->s) { + d->type = e_value; + p->s= next; + *e = d; + return 0; + } + d->value = 1; + + /* named constants */ + for (i=0; p->const_names && p->const_names[i]; i++) { + if (strmatch(p->s, p->const_names[i])) { + p->s+= strlen(p->const_names[i]); + d->type = e_const; + d->a.const_index = i; + *e = d; + return 0; + } + } + + p->s= strchr(p->s, '('); + if (p->s==NULL) { + av_log(p, AV_LOG_ERROR, "Undefined constant or missing '(' in '%s'\n", s0); + p->s= next; + av_free_expr(d); + return AVERROR(EINVAL); + } + p->s++; // "(" + if (*next == '(') { // special case do-nothing + av_freep(&d); + if ((ret = parse_expr(&d, p)) < 0) + return ret; + if (p->s[0] != ')') { + av_log(p, AV_LOG_ERROR, "Missing ')' in '%s'\n", s0); + av_free_expr(d); + return AVERROR(EINVAL); + } + p->s++; // ")" + *e = d; + return 0; + } + if ((ret = parse_expr(&(d->param[0]), p)) < 0) { + av_free_expr(d); + return ret; + } + if (p->s[0]== ',') { + p->s++; // "," + parse_expr(&d->param[1], p); + } + if (p->s[0] != ')') { + av_log(p, AV_LOG_ERROR, "Missing ')' or too many args in '%s'\n", s0); + av_free_expr(d); + return AVERROR(EINVAL); + } + p->s++; // ")" + + d->type = e_func0; + if (strmatch(next, "sinh" )) d->a.func0 = sinh; + else if (strmatch(next, "cosh" )) d->a.func0 = cosh; + else if (strmatch(next, "tanh" )) d->a.func0 = tanh; + else if (strmatch(next, "sin" )) d->a.func0 = sin; + else if (strmatch(next, "cos" )) d->a.func0 = cos; + else if (strmatch(next, "tan" )) d->a.func0 = tan; + else if (strmatch(next, "atan" )) d->a.func0 = atan; + else if (strmatch(next, "asin" )) d->a.func0 = asin; + else if (strmatch(next, "acos" )) d->a.func0 = acos; + else if (strmatch(next, "exp" )) d->a.func0 = exp; + else if (strmatch(next, "log" )) d->a.func0 = log; + else if (strmatch(next, "abs" )) d->a.func0 = fabs; + else if (strmatch(next, "squish")) d->type = e_squish; + else if (strmatch(next, "gauss" )) d->type = e_gauss; + else if (strmatch(next, "mod" )) d->type = e_mod; + else if (strmatch(next, "max" )) d->type = e_max; + else if (strmatch(next, "min" )) d->type = e_min; + else if (strmatch(next, "eq" )) d->type = e_eq; + else if (strmatch(next, "gte" )) d->type = e_gte; + else if (strmatch(next, "gt" )) d->type = e_gt; + else if (strmatch(next, "lte" )) { AVExpr *tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gt; } + else if (strmatch(next, "lt" )) { AVExpr *tmp = d->param[1]; d->param[1] = d->param[0]; d->param[0] = tmp; d->type = e_gte; } + else if (strmatch(next, "ld" )) d->type = e_ld; + else if (strmatch(next, "st" )) d->type = e_st; + else if (strmatch(next, "while" )) d->type = e_while; + else { + for (i=0; p->func1_names && p->func1_names[i]; i++) { + if (strmatch(next, p->func1_names[i])) { + d->a.func1 = p->funcs1[i]; + d->type = e_func1; + *e = d; + return 0; + } + } + + for (i=0; p->func2_names && p->func2_names[i]; i++) { + if (strmatch(next, p->func2_names[i])) { + d->a.func2 = p->funcs2[i]; + d->type = e_func2; + *e = d; + return 0; + } + } + + av_log(p, AV_LOG_ERROR, "Unknown function in '%s'\n", s0); + av_free_expr(d); + return AVERROR(EINVAL); + } + + *e = d; + return 0; +} + +static AVExpr *new_eval_expr(int type, int value, AVExpr *p0, AVExpr *p1) +{ + AVExpr *e = av_mallocz(sizeof(AVExpr)); + if (!e) + return NULL; + e->type =type ; + e->value =value ; + e->param[0] =p0 ; + e->param[1] =p1 ; + return e; +} + +static int parse_pow(AVExpr **e, Parser *p, int *sign) +{ + *sign= (*p->s == '+') - (*p->s == '-'); + p->s += *sign&1; + return parse_primary(e, p); +} + +static int parse_factor(AVExpr **e, Parser *p) +{ + int sign, sign2, ret; + AVExpr *e0, *e1, *e2; + if ((ret = parse_pow(&e0, p, &sign)) < 0) + return ret; + while(p->s[0]=='^'){ + e1 = e0; + p->s++; + if ((ret = parse_pow(&e2, p, &sign2)) < 0) { + av_free_expr(e1); + return ret; + } + e0 = new_eval_expr(e_pow, 1, e1, e2); + if (!e0) { + av_free_expr(e1); + av_free_expr(e2); + return AVERROR(ENOMEM); + } + if (e0->param[1]) e0->param[1]->value *= (sign2|1); + } + if (e0) e0->value *= (sign|1); + + *e = e0; + return 0; +} + +static int parse_term(AVExpr **e, Parser *p) +{ + int ret; + AVExpr *e0, *e1, *e2; + if ((ret = parse_factor(&e0, p)) < 0) + return ret; + while (p->s[0]=='*' || p->s[0]=='/') { + int c= *p->s++; + e1 = e0; + if ((ret = parse_factor(&e2, p)) < 0) { + av_free_expr(e1); + return ret; + } + e0 = new_eval_expr(c == '*' ? e_mul : e_div, 1, e1, e2); + if (!e0) { + av_free_expr(e1); + av_free_expr(e2); + return AVERROR(ENOMEM); + } + } + *e = e0; + return 0; +} + +static int parse_subexpr(AVExpr **e, Parser *p) +{ + int ret; + AVExpr *e0, *e1, *e2; + if ((ret = parse_term(&e0, p)) < 0) + return ret; + while (*p->s == '+' || *p->s == '-') { + e1 = e0; + if ((ret = parse_term(&e2, p)) < 0) { + av_free_expr(e1); + return ret; + } + e0 = new_eval_expr(e_add, 1, e1, e2); + if (!e0) { + av_free_expr(e1); + av_free_expr(e2); + return AVERROR(ENOMEM); + } + }; + + *e = e0; + return 0; +} + +static int parse_expr(AVExpr **e, Parser *p) +{ + int ret; + AVExpr *e0, *e1, *e2; + if (p->stack_index <= 0) //protect against stack overflows + return AVERROR(EINVAL); + p->stack_index--; + + if ((ret = parse_subexpr(&e0, p)) < 0) + return ret; + while (*p->s == ';') { + e1 = e0; + if ((ret = parse_subexpr(&e2, p)) < 0) { + av_free_expr(e1); + return ret; + } + p->s++; + e0 = new_eval_expr(e_last, 1, e1, e2); + if (!e0) { + av_free_expr(e1); + av_free_expr(e2); + return AVERROR(ENOMEM); + } + }; + + p->stack_index++; + *e = e0; + return 0; +} + +static int verify_expr(AVExpr *e) +{ + if (!e) return 0; + switch (e->type) { + case e_value: + case e_const: return 1; + case e_func0: + case e_func1: + case e_squish: + case e_ld: + case e_gauss: return verify_expr(e->param[0]); + default: return verify_expr(e->param[0]) && verify_expr(e->param[1]); + } +} + +int av_parse_expr(AVExpr **expr, const char *s, + const char * const *const_names, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + int log_offset, void *log_ctx) +{ + Parser p; + AVExpr *e = NULL; + char *w = av_malloc(strlen(s) + 1); + char *wp = w; + const char *s0 = s; + int ret = 0; + + if (!w) + return AVERROR(ENOMEM); + + while (*s) + if (!isspace(*s++)) *wp++ = s[-1]; + *wp++ = 0; + + p.class = &class; + p.stack_index=100; + p.s= w; + p.const_names = const_names; + p.funcs1 = funcs1; + p.func1_names = func1_names; + p.funcs2 = funcs2; + p.func2_names = func2_names; + p.log_offset = log_offset; + p.log_ctx = log_ctx; + + if ((ret = parse_expr(&e, &p)) < 0) + goto end; + if (*p.s) { + av_log(&p, AV_LOG_ERROR, "Invalid chars '%s' at the end of expression '%s'\n", p.s, s0); + ret = AVERROR(EINVAL); + goto end; + } + if (!verify_expr(e)) { + av_free_expr(e); + ret = AVERROR(EINVAL); + goto end; + } + *expr = e; +end: + av_free(w); + return ret; +} + +double av_eval_expr(AVExpr *e, const double *const_values, void *opaque) +{ + Parser p; + + p.const_values = const_values; + p.opaque = opaque; + return eval_expr(&p, e); +} + +int av_parse_and_eval_expr(double *d, const char *s, + const char * const *const_names, const double *const_values, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + void *opaque, int log_offset, void *log_ctx) +{ + AVExpr *e = NULL; + int ret = av_parse_expr(&e, s, const_names, func1_names, funcs1, func2_names, funcs2, log_offset, log_ctx); + + if (ret < 0) { + *d = NAN; + return ret; + } + *d = av_eval_expr(e, const_values, opaque); + av_free_expr(e); + return isnan(*d) ? AVERROR(EINVAL) : 0; +} + +#ifdef TEST +#undef printf +static double const_values[] = { + M_PI, + M_E, + 0 +}; + +static const char *const_names[] = { + "PI", + "E", + 0 +}; + +int main(void) +{ + int i; + double d; + const char **expr, *exprs[] = { + "", + "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", + "80G/80Gi" + "1k", + "1Gi", + "1gi", + "1GiFoo", + "1k+1k", + "1Gi*3foo", + "foo", + "foo(", + "foo()", + "foo)", + "sin", + "sin(", + "sin()", + "sin)", + "sin 10", + "sin(1,2,3)", + "sin(1 )", + "1", + "1foo", + "bar + PI + E + 100f*2 + foo", + "13k + 12f - foo(1, 2)", + "1gi", + "1Gi", + NULL + }; + + for (expr = exprs; *expr; expr++) { + printf("Evaluating '%s'\n", *expr); + av_parse_and_eval_expr(&d, *expr, + const_names, const_values, + NULL, NULL, NULL, NULL, NULL, 0, NULL); + printf("'%s' -> %f\n\n", *expr, d); + } + + av_parse_and_eval_expr(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", + const_names, const_values, + NULL, NULL, NULL, NULL, NULL, 0, NULL); + printf("%f == 12.7\n", d); + av_parse_and_eval_expr(&d, "80G/80Gi", + const_names, const_values, + NULL, NULL, NULL, NULL, NULL, 0, NULL); + printf("%f == 0.931322575\n", d); + + for (i=0; i<1050; i++) { + START_TIMER + av_parse_and_eval_expr(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", + const_names, const_values, + NULL, NULL, NULL, NULL, NULL, 0, NULL); + STOP_TIMER("av_parse_and_eval_expr") + } + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/eval.h b/lib/ffmpeg/libavutil/eval.h new file mode 100644 index 0000000000..7a4f5f0c27 --- /dev/null +++ b/lib/ffmpeg/libavutil/eval.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2002 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * simple arithmetic expression evaluator + */ + +#ifndef AVUTIL_EVAL_H +#define AVUTIL_EVAL_H + +typedef struct AVExpr AVExpr; + +/** + * Parse and evaluate an expression. + * Note, this is significantly slower than av_eval_expr(). + * + * @param res a pointer to a double where is put the result value of + * the expression, or NAN in case of error + * @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)" + * @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0} + * @param const_values a zero terminated array of values for the identifiers from const_names + * @param func1_names NULL terminated array of zero terminated strings of funcs1 identifiers + * @param funcs1 NULL terminated array of function pointers for functions which take 1 argument + * @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers + * @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments + * @param opaque a pointer which will be passed to all functions from funcs1 and funcs2 + * @param log_ctx parent logging context + * @return 0 in case of success, a negative value corresponding to an + * AVERROR code otherwise + */ +int av_parse_and_eval_expr(double *res, const char *s, + const char * const *const_names, const double *const_values, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + void *opaque, int log_offset, void *log_ctx); + +/** + * Parse an expression. + * + * @param expr a pointer where is put an AVExpr containing the parsed + * value in case of successfull parsing, or NULL otherwise. + * The pointed to AVExpr must be freed with av_free_expr() by the user + * when it is not needed anymore. + * @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)" + * @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0} + * @param func1_names NULL terminated array of zero terminated strings of funcs1 identifiers + * @param funcs1 NULL terminated array of function pointers for functions which take 1 argument + * @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers + * @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments + * @param log_ctx parent logging context + * @return 0 in case of success, a negative value corresponding to an + * AVERROR code otherwise + */ +int av_parse_expr(AVExpr **expr, const char *s, + const char * const *const_names, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + int log_offset, void *log_ctx); + +/** + * Evaluate a previously parsed expression. + * + * @param const_values a zero terminated array of values for the identifiers from av_parse_expr() const_names + * @param opaque a pointer which will be passed to all functions from funcs1 and funcs2 + * @return the value of the expression + */ +double av_eval_expr(AVExpr *e, const double *const_values, void *opaque); + +/** + * Free a parsed expression previously created with av_parse_expr(). + */ +void av_free_expr(AVExpr *e); + +/** + * Parse the string in numstr and return its value as a double. If + * the string is empty, contains only whitespaces, or does not contain + * an initial substring that has the expected syntax for a + * floating-point number, no conversion is performed. In this case, + * returns a value of zero and the value returned in tail is the value + * of numstr. + * + * @param numstr a string representing a number, may contain one of + * the International System number postfixes, for example 'K', 'M', + * 'G'. If 'i' is appended after the postfix, powers of 2 are used + * instead of powers of 10. The 'B' postfix multiplies the value for + * 8, and can be appended after another postfix or used alone. This + * allows using for example 'KB', 'MiB', 'G' and 'B' as postfix. + * @param tail if non-NULL puts here the pointer to the char next + * after the last parsed character + */ +double av_strtod(const char *numstr, char **tail); + +#endif /* AVUTIL_EVAL_H */ diff --git a/lib/ffmpeg/libavutil/fifo.c b/lib/ffmpeg/libavutil/fifo.c new file mode 100644 index 0000000000..cfb716e53b --- /dev/null +++ b/lib/ffmpeg/libavutil/fifo.c @@ -0,0 +1,129 @@ +/* + * a very simple circular buffer FIFO implementation + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * Copyright (c) 2006 Roman Shaposhnik + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "common.h" +#include "fifo.h" + +AVFifoBuffer *av_fifo_alloc(unsigned int size) +{ + AVFifoBuffer *f= av_mallocz(sizeof(AVFifoBuffer)); + if(!f) + return NULL; + f->buffer = av_malloc(size); + f->end = f->buffer + size; + av_fifo_reset(f); + if (!f->buffer) + av_freep(&f); + return f; +} + +void av_fifo_free(AVFifoBuffer *f) +{ + if(f){ + av_free(f->buffer); + av_free(f); + } +} + +void av_fifo_reset(AVFifoBuffer *f) +{ + f->wptr = f->rptr = f->buffer; + f->wndx = f->rndx = 0; +} + +int av_fifo_size(AVFifoBuffer *f) +{ + return (uint32_t)(f->wndx - f->rndx); +} + +int av_fifo_space(AVFifoBuffer *f) +{ + return f->end - f->buffer - av_fifo_size(f); +} + +int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size) { + unsigned int old_size= f->end - f->buffer; + + if(old_size < new_size){ + int len= av_fifo_size(f); + AVFifoBuffer *f2= av_fifo_alloc(new_size); + + if (!f2) + return -1; + av_fifo_generic_read(f, f2->buffer, len, NULL); + f2->wptr += len; + f2->wndx += len; + av_free(f->buffer); + *f= *f2; + av_free(f2); + } + return 0; +} + +// src must NOT be const as it can be a context for func that may need updating (like a pointer or byte counter) +int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int)) +{ + int total = size; + do { + int len = FFMIN(f->end - f->wptr, size); + if(func) { + if(func(src, f->wptr, len) <= 0) + break; + } else { + memcpy(f->wptr, src, len); + src = (uint8_t*)src + len; + } +// Write memory barrier needed for SMP here in theory + f->wptr += len; + if (f->wptr >= f->end) + f->wptr = f->buffer; + f->wndx += len; + size -= len; + } while (size > 0); + return total - size; +} + + +int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int)) +{ +// Read memory barrier needed for SMP here in theory + do { + int len = FFMIN(f->end - f->rptr, buf_size); + if(func) func(dest, f->rptr, len); + else{ + memcpy(dest, f->rptr, len); + dest = (uint8_t*)dest + len; + } +// memory barrier needed for SMP here in theory + av_fifo_drain(f, len); + buf_size -= len; + } while (buf_size > 0); + return 0; +} + +/** Discard data from the FIFO. */ +void av_fifo_drain(AVFifoBuffer *f, int size) +{ + f->rptr += size; + if (f->rptr >= f->end) + f->rptr -= f->end - f->buffer; + f->rndx += size; +} diff --git a/lib/ffmpeg/libavutil/fifo.h b/lib/ffmpeg/libavutil/fifo.h new file mode 100644 index 0000000000..999d0bf89b --- /dev/null +++ b/lib/ffmpeg/libavutil/fifo.h @@ -0,0 +1,116 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * a very simple circular buffer FIFO implementation + */ + +#ifndef AVUTIL_FIFO_H +#define AVUTIL_FIFO_H + +#include + +typedef struct AVFifoBuffer { + uint8_t *buffer; + uint8_t *rptr, *wptr, *end; + uint32_t rndx, wndx; +} AVFifoBuffer; + +/** + * Initialize an AVFifoBuffer. + * @param size of FIFO + * @return AVFifoBuffer or NULL in case of memory allocation failure + */ +AVFifoBuffer *av_fifo_alloc(unsigned int size); + +/** + * Free an AVFifoBuffer. + * @param *f AVFifoBuffer to free + */ +void av_fifo_free(AVFifoBuffer *f); + +/** + * Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied. + * @param *f AVFifoBuffer to reset + */ +void av_fifo_reset(AVFifoBuffer *f); + +/** + * Return the amount of data in bytes in the AVFifoBuffer, that is the + * amount of data you can read from it. + * @param *f AVFifoBuffer to read from + * @return size + */ +int av_fifo_size(AVFifoBuffer *f); + +/** + * Return the amount of space in bytes in the AVFifoBuffer, that is the + * amount of data you can write into it. + * @param *f AVFifoBuffer to write into + * @return size + */ +int av_fifo_space(AVFifoBuffer *f); + +/** + * Feed data from an AVFifoBuffer to a user-supplied callback. + * @param *f AVFifoBuffer to read from + * @param buf_size number of bytes to read + * @param *func generic read function + * @param *dest data destination + */ +int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int)); + +/** + * Feed data from a user-supplied callback to an AVFifoBuffer. + * @param *f AVFifoBuffer to write to + * @param *src data source; non-const since it may be used as a + * modifiable context by the function defined in func + * @param size number of bytes to write + * @param *func generic write function; the first parameter is src, + * the second is dest_buf, the third is dest_buf_size. + * func must return the number of bytes written to dest_buf, or <= 0 to + * indicate no more data available to write. + * If func is NULL, src is interpreted as a simple byte array for source data. + * @return the number of bytes written to the FIFO + */ +int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int)); + +/** + * Resize an AVFifoBuffer. + * @param *f AVFifoBuffer to resize + * @param size new AVFifoBuffer size in bytes + * @return <0 for failure, >=0 otherwise + */ +int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size); + +/** + * Read and discard the specified amount of data from an AVFifoBuffer. + * @param *f AVFifoBuffer to read from + * @param size amount of data to read in bytes + */ +void av_fifo_drain(AVFifoBuffer *f, int size); + +static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int offs) +{ + uint8_t *ptr = f->rptr + offs; + if (ptr >= f->end) + ptr -= f->end - f->buffer; + return *ptr; +} +#endif /* AVUTIL_FIFO_H */ diff --git a/lib/ffmpeg/libavutil/integer.c b/lib/ffmpeg/libavutil/integer.c new file mode 100644 index 0000000000..4f9b66cbc8 --- /dev/null +++ b/lib/ffmpeg/libavutil/integer.c @@ -0,0 +1,197 @@ +/* + * arbitrary precision integers + * Copyright (c) 2004 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * arbitrary precision integers + * @author Michael Niedermayer + */ + +#include "common.h" +#include "integer.h" + +AVInteger av_add_i(AVInteger a, AVInteger b){ + int i, carry=0; + + for(i=0; i>16) + a.v[i] + b.v[i]; + a.v[i]= carry; + } + return a; +} + +AVInteger av_sub_i(AVInteger a, AVInteger b){ + int i, carry=0; + + for(i=0; i>16) + a.v[i] - b.v[i]; + a.v[i]= carry; + } + return a; +} + +int av_log2_i(AVInteger a){ + int i; + + for(i=AV_INTEGER_SIZE-1; i>=0; i--){ + if(a.v[i]) + return av_log2_16bit(a.v[i]) + 16*i; + } + return -1; +} + +AVInteger av_mul_i(AVInteger a, AVInteger b){ + AVInteger out; + int i, j; + int na= (av_log2_i(a)+16) >> 4; + int nb= (av_log2_i(b)+16) >> 4; + + memset(&out, 0, sizeof(out)); + + for(i=0; i>16) + out.v[j] + a.v[i]*b.v[j-i]; + out.v[j]= carry; + } + } + + return out; +} + +int av_cmp_i(AVInteger a, AVInteger b){ + int i; + int v= (int16_t)a.v[AV_INTEGER_SIZE-1] - (int16_t)b.v[AV_INTEGER_SIZE-1]; + if(v) return (v>>16)|1; + + for(i=AV_INTEGER_SIZE-2; i>=0; i--){ + int v= a.v[i] - b.v[i]; + if(v) return (v>>16)|1; + } + return 0; +} + +AVInteger av_shr_i(AVInteger a, int s){ + AVInteger out; + int i; + + for(i=0; i>4); + unsigned int v=0; + if(index+1> (s&15); + } + return out; +} + +AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b){ + int i= av_log2_i(a) - av_log2_i(b); + AVInteger quot_temp; + if(!quot) quot = "_temp; + + assert((int16_t)a[AV_INTEGER_SIZE-1] >= 0 && (int16_t)b[AV_INTEGER_SIZE-1] >= 0); + assert(av_log2(b)>=0); + + if(i > 0) + b= av_shr_i(b, -i); + + memset(quot, 0, sizeof(AVInteger)); + + while(i-- >= 0){ + *quot= av_shr_i(*quot, -1); + if(av_cmp_i(a, b) >= 0){ + a= av_sub_i(a, b); + quot->v[0] += 1; + } + b= av_shr_i(b, 1); + } + return a; +} + +AVInteger av_div_i(AVInteger a, AVInteger b){ + AVInteger quot; + av_mod_i(", a, b); + return quot; +} + +AVInteger av_int2i(int64_t a){ + AVInteger out; + int i; + + for(i=0; i>=16; + } + return out; +} + +int64_t av_i2int(AVInteger a){ + int i; + int64_t out=(int8_t)a.v[AV_INTEGER_SIZE-1]; + + for(i= AV_INTEGER_SIZE-2; i>=0; i--){ + out = (out<<16) + a.v[i]; + } + return out; +} + +#ifdef TEST +#undef NDEBUG +#include + +const uint8_t ff_log2_tab[256]={ + 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, + 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 +}; + +int main(void){ + int64_t a,b; + + for(a=7; a<256*256*256; a+=13215){ + for(b=3; b<256*256*256; b+=27118){ + AVInteger ai= av_int2i(a); + AVInteger bi= av_int2i(b); + + assert(av_i2int(ai) == a); + assert(av_i2int(bi) == b); + assert(av_i2int(av_add_i(ai,bi)) == a+b); + assert(av_i2int(av_sub_i(ai,bi)) == a-b); + assert(av_i2int(av_mul_i(ai,bi)) == a*b); + assert(av_i2int(av_shr_i(ai, 9)) == a>>9); + assert(av_i2int(av_shr_i(ai,-9)) == a<<9); + assert(av_i2int(av_shr_i(ai, 17)) == a>>17); + assert(av_i2int(av_shr_i(ai,-17)) == a<<17); + assert(av_log2_i(ai) == av_log2(a)); + assert(av_i2int(av_div_i(ai,bi)) == a/b); + } + } + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/integer.h b/lib/ffmpeg/libavutil/integer.h new file mode 100644 index 0000000000..45f733c04c --- /dev/null +++ b/lib/ffmpeg/libavutil/integer.h @@ -0,0 +1,86 @@ +/* + * arbitrary precision integers + * Copyright (c) 2004 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * arbitrary precision integers + * @author Michael Niedermayer + */ + +#ifndef AVUTIL_INTEGER_H +#define AVUTIL_INTEGER_H + +#include +#include "common.h" + +#define AV_INTEGER_SIZE 8 + +typedef struct AVInteger{ + uint16_t v[AV_INTEGER_SIZE]; +} AVInteger; + +AVInteger av_add_i(AVInteger a, AVInteger b) av_const; +AVInteger av_sub_i(AVInteger a, AVInteger b) av_const; + +/** + * Return the rounded-down value of the base 2 logarithm of the given + * AVInteger. This is simply the index of the most significant bit + * which is 1, or 0 if all bits are 0. + */ +int av_log2_i(AVInteger a) av_const; +AVInteger av_mul_i(AVInteger a, AVInteger b) av_const; + +/** + * Return 0 if a==b, 1 if a>b and -1 if a + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * common internal API header + */ + +#ifndef AVUTIL_INTERNAL_H +#define AVUTIL_INTERNAL_H + +#if !defined(DEBUG) && !defined(NDEBUG) +# define NDEBUG +#endif + +#include +#include +#include +#include +#include "config.h" +#include "attributes.h" +#include "timer.h" + +#ifndef attribute_align_arg +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,2) +# define attribute_align_arg __attribute__((force_align_arg_pointer)) +#else +# define attribute_align_arg +#endif +#endif + + +/** + * Mark a variable as used and prevent the compiler from optimizing it away. + * This is useful for asm that accesses varibles in ways that the compiler does not + * understand + */ +#ifndef attribute_used +#if AV_GCC_VERSION_AT_LEAST(3,1) +# define attribute_used __attribute__((used)) +#else +# define attribute_used +#endif +#endif + +#ifndef INT16_MIN +#define INT16_MIN (-0x7fff - 1) +#endif + +#ifndef INT16_MAX +#define INT16_MAX 0x7fff +#endif + +#ifndef INT32_MIN +#define INT32_MIN (-0x7fffffff - 1) +#endif + +#ifndef INT32_MAX +#define INT32_MAX 0x7fffffff +#endif + +#ifndef UINT32_MAX +#define UINT32_MAX 0xffffffff +#endif + +#ifndef INT64_MIN +#define INT64_MIN (-0x7fffffffffffffffLL - 1) +#endif + +#ifndef INT64_MAX +#define INT64_MAX INT64_C(9223372036854775807) +#endif + +#ifndef UINT64_MAX +#define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF) +#endif + +#ifndef INT_BIT +# define INT_BIT (CHAR_BIT * sizeof(int)) +#endif + +#ifndef offsetof +# define offsetof(T, F) ((unsigned int)((char *)&((T *)0)->F)) +#endif + +/* Use to export labels from asm. */ +#define LABEL_MANGLE(a) EXTERN_PREFIX #a + +// Use rip-relative addressing if compiling PIC code on x86-64. +#if ARCH_X86_64 && defined(PIC) +# define LOCAL_MANGLE(a) #a "(%%rip)" +#else +# define LOCAL_MANGLE(a) #a +#endif + +#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) + +/* debug stuff */ + +/* dprintf macros */ +#ifdef DEBUG +# define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) +#else +# define dprintf(pctx, ...) +#endif + +#define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0) + +/* math */ + +#if ARCH_X86 +#define MASK_ABS(mask, level)\ + __asm__ volatile(\ + "cltd \n\t"\ + "xorl %1, %0 \n\t"\ + "subl %1, %0 \n\t"\ + : "+a" (level), "=&d" (mask)\ + ); +#else +#define MASK_ABS(mask, level)\ + mask = level >> 31;\ + level = (level ^ mask) - mask; +#endif + +/* avoid usage of dangerous/inappropriate system functions */ +#undef malloc +#define malloc please_use_av_malloc +#undef free +#define free please_use_av_free +#undef realloc +#define realloc please_use_av_realloc +#undef time +#define time time_is_forbidden_due_to_security_issues +#undef rand +#define rand rand_is_forbidden_due_to_state_trashing_use_av_lfg_get +#undef srand +#define srand srand_is_forbidden_due_to_state_trashing_use_av_lfg_init +#undef random +#define random random_is_forbidden_due_to_state_trashing_use_av_lfg_get +#undef sprintf +#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf +#undef strcat +#define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat +#undef exit +#define exit exit_is_forbidden +#ifndef LIBAVFORMAT_BUILD +#undef printf +#define printf please_use_av_log_instead_of_printf +#undef fprintf +#define fprintf please_use_av_log_instead_of_fprintf +#undef puts +#define puts please_use_av_log_instead_of_puts +#undef perror +#define perror please_use_av_log_instead_of_perror +#endif + +#define FF_ALLOC_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_malloc(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\ +{\ + p = av_mallocz(size);\ + if (p == NULL && (size) != 0) {\ + av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ + goto label;\ + }\ +} + +#include "libm.h" + +/** + * Return NULL if CONFIG_SMALL is true, otherwise the argument + * without modification. Used to disable the definition of strings + * (for example AVCodec long_names). + */ +#if CONFIG_SMALL +# define NULL_IF_CONFIG_SMALL(x) NULL +#else +# define NULL_IF_CONFIG_SMALL(x) x +#endif + + +/** + * Define a function with only the non-default version specified. + * + * On systems with ELF shared libraries, all symbols exported from + * FFmpeg libraries are tagged with the name and major version of the + * library to which they belong. If a function is moved from one + * library to another, a wrapper must be retained in the original + * location to preserve binary compatibility. + * + * Functions defined with this macro will never be used to resolve + * symbols by the build-time linker. + * + * @param type return type of function + * @param name name of function + * @param args argument list of function + * @param ver version tag to assign function + */ +#if HAVE_SYMVER_ASM_LABEL +# define FF_SYMVER(type, name, args, ver) \ + type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \ + type ff_##name args +#elif HAVE_SYMVER_GNU_ASM +# define FF_SYMVER(type, name, args, ver) \ + __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \ + type ff_##name args; \ + type ff_##name args +#endif + +#endif /* AVUTIL_INTERNAL_H */ diff --git a/lib/ffmpeg/libavutil/intfloat_readwrite.c b/lib/ffmpeg/libavutil/intfloat_readwrite.c new file mode 100644 index 0000000000..79fe18671e --- /dev/null +++ b/lib/ffmpeg/libavutil/intfloat_readwrite.c @@ -0,0 +1,98 @@ +/* + * portable IEEE float/double read/write functions + * + * Copyright (c) 2005 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * portable IEEE float/double read/write functions + */ + +#include +#include +#include "intfloat_readwrite.h" + +double av_int2dbl(int64_t v){ + if(v+v > 0xFFEULL<<52) + return 0.0/0.0; + return ldexp(((v&((1LL<<52)-1)) + (1LL<<52)) * (v>>63|1), (v>>52&0x7FF)-1075); +} + +float av_int2flt(int32_t v){ + if(v+v > 0xFF000000U) + return 0.0/0.0; + return ldexp(((v&0x7FFFFF) + (1<<23)) * (v>>31|1), (v>>23&0xFF)-150); +} + +double av_ext2dbl(const AVExtFloat ext){ + uint64_t m = 0; + int e, i; + + for (i = 0; i < 8; i++) + m = (m<<8) + ext.mantissa[i]; + e = (((int)ext.exponent[0]&0x7f)<<8) | ext.exponent[1]; + if (e == 0x7fff && m) + return 0.0/0.0; + e -= 16383 + 63; /* In IEEE 80 bits, the whole (i.e. 1.xxxx) + * mantissa bit is written as opposed to the + * single and double precision formats. */ + if (ext.exponent[0]&0x80) + m= -m; + return ldexp(m, e); +} + +int64_t av_dbl2int(double d){ + int e; + if ( !d) return 0; + else if(d-d) return 0x7FF0000000000000LL + ((int64_t)(d<0)<<63) + (d!=d); + d= frexp(d, &e); + return (int64_t)(d<0)<<63 | (e+1022LL)<<52 | (int64_t)((fabs(d)-0.5)*(1LL<<53)); +} + +int32_t av_flt2int(float d){ + int e; + if ( !d) return 0; + else if(d-d) return 0x7F800000 + ((d<0)<<31) + (d!=d); + d= frexp(d, &e); + return (d<0)<<31 | (e+126)<<23 | (int64_t)((fabs(d)-0.5)*(1<<24)); +} + +AVExtFloat av_dbl2ext(double d){ + struct AVExtFloat ext= {{0}}; + int e, i; double f; uint64_t m; + + f = fabs(frexp(d, &e)); + if (f >= 0.5 && f < 1) { + e += 16382; + ext.exponent[0] = e>>8; + ext.exponent[1] = e; + m = (uint64_t)ldexp(f, 64); + for (i=0; i < 8; i++) + ext.mantissa[i] = m>>(56-(i<<3)); + } else if (f != 0.0) { + ext.exponent[0] = 0x7f; ext.exponent[1] = 0xff; + if (f != 1/0.0) + ext.mantissa[0] = ~0; + } + if (d < 0) + ext.exponent[0] |= 0x80; + return ext; +} + diff --git a/lib/ffmpeg/libavutil/intfloat_readwrite.h b/lib/ffmpeg/libavutil/intfloat_readwrite.h new file mode 100644 index 0000000000..1b80fc6e95 --- /dev/null +++ b/lib/ffmpeg/libavutil/intfloat_readwrite.h @@ -0,0 +1,40 @@ +/* + * copyright (c) 2005 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_INTFLOAT_READWRITE_H +#define AVUTIL_INTFLOAT_READWRITE_H + +#include +#include "attributes.h" + +/* IEEE 80 bits extended float */ +typedef struct AVExtFloat { + uint8_t exponent[2]; + uint8_t mantissa[8]; +} AVExtFloat; + +double av_int2dbl(int64_t v) av_const; +float av_int2flt(int32_t v) av_const; +double av_ext2dbl(const AVExtFloat ext) av_const; +int64_t av_dbl2int(double d) av_const; +int32_t av_flt2int(float d) av_const; +AVExtFloat av_dbl2ext(double d) av_const; + +#endif /* AVUTIL_INTFLOAT_READWRITE_H */ diff --git a/lib/ffmpeg/libavutil/intmath.h b/lib/ffmpeg/libavutil/intmath.h new file mode 100644 index 0000000000..8b400ef054 --- /dev/null +++ b/lib/ffmpeg/libavutil/intmath.h @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2010 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_INTMATH_H +#define AVUTIL_INTMATH_H + +#include +#include "config.h" +#include "attributes.h" + +extern const uint32_t ff_inverse[257]; + +#if ARCH_ARM +# include "arm/intmath.h" +#elif ARCH_X86 +# include "x86/intmath.h" +#endif + +#if HAVE_FAST_CLZ && AV_GCC_VERSION_AT_LEAST(3,4) + +#ifndef av_log2 +# define av_log2(x) (31 - __builtin_clz((x)|1)) +# ifndef av_log2_16bit +# define av_log2_16bit av_log2 +# endif +#endif /* av_log2 */ + +#endif /* AV_GCC_VERSION_AT_LEAST(3,4) */ + +#ifndef FASTDIV +# if CONFIG_FASTDIV +# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) +# else +# define FASTDIV(a,b) ((a) / (b)) +# endif +#endif /* FASTDIV */ + +#include "common.h" + +extern const uint8_t ff_sqrt_tab[256]; + +static inline av_const unsigned int ff_sqrt(unsigned int a) +{ + unsigned int b; + + if (a < 255) return (ff_sqrt_tab[a + 1] - 1) >> 4; + else if (a < (1 << 12)) b = ff_sqrt_tab[a >> 4] >> 2; +#if !CONFIG_SMALL + else if (a < (1 << 14)) b = ff_sqrt_tab[a >> 6] >> 1; + else if (a < (1 << 16)) b = ff_sqrt_tab[a >> 8] ; +#endif + else { + int s = av_log2_16bit(a >> 16) >> 1; + unsigned int c = a >> (s + 2); + b = ff_sqrt_tab[c >> (s + 8)]; + b = FASTDIV(c,b) + (b << s); + } + + return b - (a < b * b); +} + +#endif /* AVUTIL_INTMATH_H */ diff --git a/lib/ffmpeg/libavutil/intreadwrite.h b/lib/ffmpeg/libavutil/intreadwrite.h new file mode 100644 index 0000000000..1849a64661 --- /dev/null +++ b/lib/ffmpeg/libavutil/intreadwrite.h @@ -0,0 +1,522 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_INTREADWRITE_H +#define AVUTIL_INTREADWRITE_H + +#include +#include "libavutil/avconfig.h" +#include "attributes.h" +#include "bswap.h" + +typedef union { + uint64_t u64; + uint32_t u32[2]; + uint16_t u16[4]; + uint8_t u8 [8]; + double f64; + float f32[2]; +} av_alias av_alias64; + +typedef union { + uint32_t u32; + uint16_t u16[2]; + uint8_t u8 [4]; + float f32; +} av_alias av_alias32; + +typedef union { + uint16_t u16; + uint8_t u8 [2]; +} av_alias av_alias16; + +/* + * Arch-specific headers can provide any combination of + * AV_[RW][BLN](16|24|32|64) and AV_(COPY|SWAP|ZERO)(64|128) macros. + * Preprocessor symbols must be defined, even if these are implemented + * as inline functions. + */ + +#ifdef HAVE_AV_CONFIG_H + +#include "config.h" + +#if ARCH_ARM +# include "arm/intreadwrite.h" +#elif ARCH_AVR32 +# include "avr32/intreadwrite.h" +#elif ARCH_MIPS +# include "mips/intreadwrite.h" +#elif ARCH_PPC +# include "ppc/intreadwrite.h" +#elif ARCH_TOMI +# include "tomi/intreadwrite.h" +#elif ARCH_X86 +# include "x86/intreadwrite.h" +#endif + +#endif /* HAVE_AV_CONFIG_H */ + +/* + * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers. + */ + +#if AV_HAVE_BIGENDIAN + +# if defined(AV_RN16) && !defined(AV_RB16) +# define AV_RB16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RB16) +# define AV_RN16(p) AV_RB16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WB16) +# define AV_WB16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WB16) +# define AV_WN16(p, v) AV_WB16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RB24) +# define AV_RB24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RB24) +# define AV_RN24(p) AV_RB24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WB24) +# define AV_WB24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WB24) +# define AV_WN24(p, v) AV_WB24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RB32) +# define AV_RB32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RB32) +# define AV_RN32(p) AV_RB32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WB32) +# define AV_WB32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WB32) +# define AV_WN32(p, v) AV_WB32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RB64) +# define AV_RB64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RB64) +# define AV_RN64(p) AV_RB64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WB64) +# define AV_WB64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WB64) +# define AV_WN64(p, v) AV_WB64(p, v) +# endif + +#else /* AV_HAVE_BIGENDIAN */ + +# if defined(AV_RN16) && !defined(AV_RL16) +# define AV_RL16(p) AV_RN16(p) +# elif !defined(AV_RN16) && defined(AV_RL16) +# define AV_RN16(p) AV_RL16(p) +# endif + +# if defined(AV_WN16) && !defined(AV_WL16) +# define AV_WL16(p, v) AV_WN16(p, v) +# elif !defined(AV_WN16) && defined(AV_WL16) +# define AV_WN16(p, v) AV_WL16(p, v) +# endif + +# if defined(AV_RN24) && !defined(AV_RL24) +# define AV_RL24(p) AV_RN24(p) +# elif !defined(AV_RN24) && defined(AV_RL24) +# define AV_RN24(p) AV_RL24(p) +# endif + +# if defined(AV_WN24) && !defined(AV_WL24) +# define AV_WL24(p, v) AV_WN24(p, v) +# elif !defined(AV_WN24) && defined(AV_WL24) +# define AV_WN24(p, v) AV_WL24(p, v) +# endif + +# if defined(AV_RN32) && !defined(AV_RL32) +# define AV_RL32(p) AV_RN32(p) +# elif !defined(AV_RN32) && defined(AV_RL32) +# define AV_RN32(p) AV_RL32(p) +# endif + +# if defined(AV_WN32) && !defined(AV_WL32) +# define AV_WL32(p, v) AV_WN32(p, v) +# elif !defined(AV_WN32) && defined(AV_WL32) +# define AV_WN32(p, v) AV_WL32(p, v) +# endif + +# if defined(AV_RN64) && !defined(AV_RL64) +# define AV_RL64(p) AV_RN64(p) +# elif !defined(AV_RN64) && defined(AV_RL64) +# define AV_RN64(p) AV_RL64(p) +# endif + +# if defined(AV_WN64) && !defined(AV_WL64) +# define AV_WL64(p, v) AV_WN64(p, v) +# elif !defined(AV_WN64) && defined(AV_WL64) +# define AV_WN64(p, v) AV_WL64(p, v) +# endif + +#endif /* !AV_HAVE_BIGENDIAN */ + +/* + * Define AV_[RW]N helper macros to simplify definitions not provided + * by per-arch headers. + */ + +#if defined(__GNUC__) && !defined(__TI_COMPILER_VERSION__) + +union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias; +union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias; +union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias; + +# define AV_RN(s, p) (((const union unaligned_##s *) (p))->l) +# define AV_WN(s, p, v) ((((union unaligned_##s *) (p))->l) = (v)) + +#elif defined(__DECC) + +# define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p))) +# define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v)) + +#elif AV_HAVE_FAST_UNALIGNED + +# define AV_RN(s, p) (((const av_alias##s*)(p))->u##s) +# define AV_WN(s, p, v) (((av_alias##s*)(p))->u##s = (v)) + +#else + +#ifndef AV_RB16 +# define AV_RB16(x) \ + ((((const uint8_t*)(x))[0] << 8) | \ + ((const uint8_t*)(x))[1]) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, d) do { \ + ((uint8_t*)(p))[1] = (d); \ + ((uint8_t*)(p))[0] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RL16 +# define AV_RL16(x) \ + ((((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + } while(0) +#endif + +#ifndef AV_RB32 +# define AV_RB32(x) \ + ((((const uint8_t*)(x))[0] << 24) | \ + (((const uint8_t*)(x))[1] << 16) | \ + (((const uint8_t*)(x))[2] << 8) | \ + ((const uint8_t*)(x))[3]) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, d) do { \ + ((uint8_t*)(p))[3] = (d); \ + ((uint8_t*)(p))[2] = (d)>>8; \ + ((uint8_t*)(p))[1] = (d)>>16; \ + ((uint8_t*)(p))[0] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RL32 +# define AV_RL32(x) \ + ((((const uint8_t*)(x))[3] << 24) | \ + (((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + } while(0) +#endif + +#ifndef AV_RB64 +# define AV_RB64(x) \ + (((uint64_t)((const uint8_t*)(x))[0] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 8) | \ + (uint64_t)((const uint8_t*)(x))[7]) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, d) do { \ + ((uint8_t*)(p))[7] = (d); \ + ((uint8_t*)(p))[6] = (d)>>8; \ + ((uint8_t*)(p))[5] = (d)>>16; \ + ((uint8_t*)(p))[4] = (d)>>24; \ + ((uint8_t*)(p))[3] = (d)>>32; \ + ((uint8_t*)(p))[2] = (d)>>40; \ + ((uint8_t*)(p))[1] = (d)>>48; \ + ((uint8_t*)(p))[0] = (d)>>56; \ + } while(0) +#endif + +#ifndef AV_RL64 +# define AV_RL64(x) \ + (((uint64_t)((const uint8_t*)(x))[7] << 56) | \ + ((uint64_t)((const uint8_t*)(x))[6] << 48) | \ + ((uint64_t)((const uint8_t*)(x))[5] << 40) | \ + ((uint64_t)((const uint8_t*)(x))[4] << 32) | \ + ((uint64_t)((const uint8_t*)(x))[3] << 24) | \ + ((uint64_t)((const uint8_t*)(x))[2] << 16) | \ + ((uint64_t)((const uint8_t*)(x))[1] << 8) | \ + (uint64_t)((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + ((uint8_t*)(p))[3] = (d)>>24; \ + ((uint8_t*)(p))[4] = (d)>>32; \ + ((uint8_t*)(p))[5] = (d)>>40; \ + ((uint8_t*)(p))[6] = (d)>>48; \ + ((uint8_t*)(p))[7] = (d)>>56; \ + } while(0) +#endif + +#if AV_HAVE_BIGENDIAN +# define AV_RN(s, p) AV_RB##s(p) +# define AV_WN(s, p, v) AV_WB##s(p, v) +#else +# define AV_RN(s, p) AV_RL##s(p) +# define AV_WN(s, p, v) AV_WL##s(p, v) +#endif + +#endif /* HAVE_FAST_UNALIGNED */ + +#ifndef AV_RN16 +# define AV_RN16(p) AV_RN(16, p) +#endif + +#ifndef AV_RN32 +# define AV_RN32(p) AV_RN(32, p) +#endif + +#ifndef AV_RN64 +# define AV_RN64(p) AV_RN(64, p) +#endif + +#ifndef AV_WN16 +# define AV_WN16(p, v) AV_WN(16, p, v) +#endif + +#ifndef AV_WN32 +# define AV_WN32(p, v) AV_WN(32, p, v) +#endif + +#ifndef AV_WN64 +# define AV_WN64(p, v) AV_WN(64, p, v) +#endif + +#if AV_HAVE_BIGENDIAN +# define AV_RB(s, p) AV_RN##s(p) +# define AV_WB(s, p, v) AV_WN##s(p, v) +# define AV_RL(s, p) av_bswap##s(AV_RN##s(p)) +# define AV_WL(s, p, v) AV_WN##s(p, av_bswap##s(v)) +#else +# define AV_RB(s, p) av_bswap##s(AV_RN##s(p)) +# define AV_WB(s, p, v) AV_WN##s(p, av_bswap##s(v)) +# define AV_RL(s, p) AV_RN##s(p) +# define AV_WL(s, p, v) AV_WN##s(p, v) +#endif + +#define AV_RB8(x) (((const uint8_t*)(x))[0]) +#define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0) + +#define AV_RL8(x) AV_RB8(x) +#define AV_WL8(p, d) AV_WB8(p, d) + +#ifndef AV_RB16 +# define AV_RB16(p) AV_RB(16, p) +#endif +#ifndef AV_WB16 +# define AV_WB16(p, v) AV_WB(16, p, v) +#endif + +#ifndef AV_RL16 +# define AV_RL16(p) AV_RL(16, p) +#endif +#ifndef AV_WL16 +# define AV_WL16(p, v) AV_WL(16, p, v) +#endif + +#ifndef AV_RB32 +# define AV_RB32(p) AV_RB(32, p) +#endif +#ifndef AV_WB32 +# define AV_WB32(p, v) AV_WB(32, p, v) +#endif + +#ifndef AV_RL32 +# define AV_RL32(p) AV_RL(32, p) +#endif +#ifndef AV_WL32 +# define AV_WL32(p, v) AV_WL(32, p, v) +#endif + +#ifndef AV_RB64 +# define AV_RB64(p) AV_RB(64, p) +#endif +#ifndef AV_WB64 +# define AV_WB64(p, v) AV_WB(64, p, v) +#endif + +#ifndef AV_RL64 +# define AV_RL64(p) AV_RL(64, p) +#endif +#ifndef AV_WL64 +# define AV_WL64(p, v) AV_WL(64, p, v) +#endif + +#ifndef AV_RB24 +# define AV_RB24(x) \ + ((((const uint8_t*)(x))[0] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[2]) +#endif +#ifndef AV_WB24 +# define AV_WB24(p, d) do { \ + ((uint8_t*)(p))[2] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[0] = (d)>>16; \ + } while(0) +#endif + +#ifndef AV_RL24 +# define AV_RL24(x) \ + ((((const uint8_t*)(x))[2] << 16) | \ + (((const uint8_t*)(x))[1] << 8) | \ + ((const uint8_t*)(x))[0]) +#endif +#ifndef AV_WL24 +# define AV_WL24(p, d) do { \ + ((uint8_t*)(p))[0] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[2] = (d)>>16; \ + } while(0) +#endif + +/* + * The AV_[RW]NA macros access naturally aligned data + * in a type-safe way. + */ + +#define AV_RNA(s, p) (((const av_alias##s*)(p))->u##s) +#define AV_WNA(s, p, v) (((av_alias##s*)(p))->u##s = (v)) + +#ifndef AV_RN16A +# define AV_RN16A(p) AV_RNA(16, p) +#endif + +#ifndef AV_RN32A +# define AV_RN32A(p) AV_RNA(32, p) +#endif + +#ifndef AV_RN64A +# define AV_RN64A(p) AV_RNA(64, p) +#endif + +#ifndef AV_WN16A +# define AV_WN16A(p, v) AV_WNA(16, p, v) +#endif + +#ifndef AV_WN32A +# define AV_WN32A(p, v) AV_WNA(32, p, v) +#endif + +#ifndef AV_WN64A +# define AV_WN64A(p, v) AV_WNA(64, p, v) +#endif + +/* Parameters for AV_COPY*, AV_SWAP*, AV_ZERO* must be + * naturally aligned. They may be implemented using MMX, + * so emms_c() must be called before using any float code + * afterwards. + */ + +#define AV_COPY(n, d, s) \ + (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n) + +#ifndef AV_COPY16 +# define AV_COPY16(d, s) AV_COPY(16, d, s) +#endif + +#ifndef AV_COPY32 +# define AV_COPY32(d, s) AV_COPY(32, d, s) +#endif + +#ifndef AV_COPY64 +# define AV_COPY64(d, s) AV_COPY(64, d, s) +#endif + +#ifndef AV_COPY128 +# define AV_COPY128(d, s) \ + do { \ + AV_COPY64(d, s); \ + AV_COPY64((char*)(d)+8, (char*)(s)+8); \ + } while(0) +#endif + +#define AV_SWAP(n, a, b) FFSWAP(av_alias##n, *(av_alias##n*)(a), *(av_alias##n*)(b)) + +#ifndef AV_SWAP64 +# define AV_SWAP64(a, b) AV_SWAP(64, a, b) +#endif + +#define AV_ZERO(n, d) (((av_alias##n*)(d))->u##n = 0) + +#ifndef AV_ZERO16 +# define AV_ZERO16(d) AV_ZERO(16, d) +#endif + +#ifndef AV_ZERO32 +# define AV_ZERO32(d) AV_ZERO(32, d) +#endif + +#ifndef AV_ZERO64 +# define AV_ZERO64(d) AV_ZERO(64, d) +#endif + +#ifndef AV_ZERO128 +# define AV_ZERO128(d) \ + do { \ + AV_ZERO64(d); \ + AV_ZERO64((char*)(d)+8); \ + } while(0) +#endif + +#endif /* AVUTIL_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/lfg.c b/lib/ffmpeg/libavutil/lfg.c new file mode 100644 index 0000000000..b5db5a4b17 --- /dev/null +++ b/lib/ffmpeg/libavutil/lfg.c @@ -0,0 +1,100 @@ +/* + * Lagged Fibonacci PRNG + * Copyright (c) 2008 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "lfg.h" +#include "md5.h" +#include "intreadwrite.h" +#include "attributes.h" + +void av_cold av_lfg_init(AVLFG *c, unsigned int seed){ + uint8_t tmp[16]={0}; + int i; + + for(i=8; i<64; i+=4){ + AV_WL32(tmp, seed); tmp[4]=i; + av_md5_sum(tmp, tmp, 16); + c->state[i ]= AV_RL32(tmp); + c->state[i+1]= AV_RL32(tmp+4); + c->state[i+2]= AV_RL32(tmp+8); + c->state[i+3]= AV_RL32(tmp+12); + } + c->index=0; +} + +void av_bmg_get(AVLFG *lfg, double out[2]) +{ + double x1, x2, w; + + do { + x1 = 2.0/UINT_MAX*av_lfg_get(lfg) - 1.0; + x2 = 2.0/UINT_MAX*av_lfg_get(lfg) - 1.0; + w = x1*x1 + x2*x2; + } while (w >= 1.0); + + w = sqrt((-2.0 * log(w)) / w); + out[0] = x1 * w; + out[1] = x2 * w; +} + +#ifdef TEST +#include "log.h" +#include "timer.h" + +int main(void) +{ + int x=0; + int i, j; + AVLFG state; + + av_lfg_init(&state, 0xdeadbeef); + for (j = 0; j < 10000; j++) { + START_TIMER + for (i = 0; i < 624; i++) { +// av_log(NULL,AV_LOG_ERROR, "%X\n", av_lfg_get(&state)); + x+=av_lfg_get(&state); + } + STOP_TIMER("624 calls of av_lfg_get"); + } + av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x); + + /* BMG usage example */ + { + double mean = 1000; + double stddev = 53; + + av_lfg_init(&state, 42); + + for (i = 0; i < 1000; i += 2) { + double bmg_out[2]; + av_bmg_get(&state, bmg_out); + av_log(NULL, AV_LOG_INFO, + "%f\n%f\n", + bmg_out[0] * stddev + mean, + bmg_out[1] * stddev + mean); + } + } + + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/lfg.h b/lib/ffmpeg/libavutil/lfg.h new file mode 100644 index 0000000000..0e89ea308d --- /dev/null +++ b/lib/ffmpeg/libavutil/lfg.h @@ -0,0 +1,62 @@ +/* + * Lagged Fibonacci PRNG + * Copyright (c) 2008 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_LFG_H +#define AVUTIL_LFG_H + +typedef struct { + unsigned int state[64]; + int index; +} AVLFG; + +void av_lfg_init(AVLFG *c, unsigned int seed); + +/** + * Get the next random unsigned 32-bit number using an ALFG. + * + * Please also consider a simple LCG like state= state*1664525+1013904223, + * it may be good enough and faster for your specific use case. + */ +static inline unsigned int av_lfg_get(AVLFG *c){ + c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63]; + return c->state[c->index++ & 63]; +} + +/** + * Get the next random unsigned 32-bit number using a MLFG. + * + * Please also consider av_lfg_get() above, it is faster. + */ +static inline unsigned int av_mlfg_get(AVLFG *c){ + unsigned int a= c->state[(c->index-55) & 63]; + unsigned int b= c->state[(c->index-24) & 63]; + return c->state[c->index++ & 63] = 2*a*b+a+b; +} + +/** + * Get the next two numbers generated by a Box-Muller Gaussian + * generator using the random numbers issued by lfg. + * + * @param out[2] array where the two generated numbers are placed + */ +void av_bmg_get(AVLFG *lfg, double out[2]); + +#endif /* AVUTIL_LFG_H */ diff --git a/lib/ffmpeg/libavutil/libavutil.v b/lib/ffmpeg/libavutil/libavutil.v new file mode 100644 index 0000000000..ec52f2be7a --- /dev/null +++ b/lib/ffmpeg/libavutil/libavutil.v @@ -0,0 +1,4 @@ +LIBAVUTIL_$MAJOR { + global: av_*; ff_*; avutil_*; + local: *; +}; diff --git a/lib/ffmpeg/libavutil/libm.h b/lib/ffmpeg/libavutil/libm.h new file mode 100644 index 0000000000..c7c28ac27c --- /dev/null +++ b/lib/ffmpeg/libavutil/libm.h @@ -0,0 +1,96 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Replacements for frequently missing libm functions + */ + +#ifndef AVUTIL_LIBM_H +#define AVUTIL_LIBM_H + +#include +#include "config.h" +#include "attributes.h" + +#if !HAVE_EXP2 +#undef exp2 +#define exp2(x) exp((x) * 0.693147180559945) +#endif /* HAVE_EXP2 */ + +#if !HAVE_EXP2F +#undef exp2f +#define exp2f(x) ((float)exp2(x)) +#endif /* HAVE_EXP2F */ + +#if !HAVE_LLRINT +#undef llrint +#define llrint(x) ((long long)rint(x)) +#endif /* HAVE_LLRINT */ + +#if !HAVE_LLRINTF +#undef llrintf +#define llrintf(x) ((long long)rint(x)) +#endif /* HAVE_LLRINT */ + +#if !HAVE_LOG2 +#undef log2 +#define log2(x) (log(x) * 1.44269504088896340736) +#endif /* HAVE_LOG2 */ + +#if !HAVE_LOG2F +#undef log2f +#define log2f(x) ((float)log2(x)) +#endif /* HAVE_LOG2F */ + +#if !HAVE_LRINT +static av_always_inline av_const long int lrint(double x) +{ + return rint(x); +} +#endif /* HAVE_LRINT */ + +#if !HAVE_LRINTF +static av_always_inline av_const long int lrintf(float x) +{ + return (int)(rint(x)); +} +#endif /* HAVE_LRINTF */ + +#if !HAVE_ROUND +static av_always_inline av_const double round(double x) +{ + return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); +} +#endif /* HAVE_ROUND */ + +#if !HAVE_ROUNDF +static av_always_inline av_const float roundf(float x) +{ + return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); +} +#endif /* HAVE_ROUNDF */ + +#if !HAVE_TRUNCF +static av_always_inline av_const float truncf(float x) +{ + return (x > 0) ? floor(x) : ceil(x); +} +#endif /* HAVE_TRUNCF */ + +#endif /* AVUTIL_LIBM_H */ diff --git a/lib/ffmpeg/libavutil/lls.c b/lib/ffmpeg/libavutil/lls.c new file mode 100644 index 0000000000..3855792760 --- /dev/null +++ b/lib/ffmpeg/libavutil/lls.c @@ -0,0 +1,137 @@ +/* + * linear least squares model + * + * Copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * linear least squares model + */ + +#include +#include + +#include "lls.h" + +void av_init_lls(LLSModel *m, int indep_count){ + memset(m, 0, sizeof(LLSModel)); + + m->indep_count= indep_count; +} + +void av_update_lls(LLSModel *m, double *var, double decay){ + int i,j; + + for(i=0; i<=m->indep_count; i++){ + for(j=i; j<=m->indep_count; j++){ + m->covariance[i][j] *= decay; + m->covariance[i][j] += var[i]*var[j]; + } + } +} + +void av_solve_lls(LLSModel *m, double threshold, int min_order){ + int i,j,k; + double (*factor)[MAX_VARS+1]= (void*)&m->covariance[1][0]; + double (*covar )[MAX_VARS+1]= (void*)&m->covariance[1][1]; + double *covar_y = m->covariance[0]; + int count= m->indep_count; + + for(i=0; i=0; k--) + sum -= factor[i][k]*factor[j][k]; + + if(i==j){ + if(sum < threshold) + sum= 1.0; + factor[i][i]= sqrt(sum); + }else + factor[j][i]= sum / factor[i][i]; + } + } + for(i=0; i=0; k--) + sum -= factor[i][k]*m->coeff[0][k]; + m->coeff[0][i]= sum / factor[i][i]; + } + + for(j=count-1; j>=min_order; j--){ + for(i=j; i>=0; i--){ + double sum= m->coeff[0][i]; + for(k=i+1; k<=j; k++) + sum -= factor[k][i]*m->coeff[j][k]; + m->coeff[j][i]= sum / factor[i][i]; + } + + m->variance[j]= covar_y[0]; + for(i=0; i<=j; i++){ + double sum= m->coeff[j][i]*covar[i][i] - 2*covar_y[i+1]; + for(k=0; kcoeff[j][k]*covar[k][i]; + m->variance[j] += m->coeff[j][i]*sum; + } + } +} + +double av_evaluate_lls(LLSModel *m, double *param, int order){ + int i; + double out= 0; + + for(i=0; i<=order; i++) + out+= param[i]*m->coeff[order][i]; + + return out; +} + +#ifdef TEST + +#include +#include + +int main(void){ + LLSModel m; + int i, order; + + av_init_lls(&m, 3); + + for(i=0; i<100; i++){ + double var[4]; + double eval; + var[0] = (rand() / (double)RAND_MAX - 0.5)*2; + var[1] = var[0] + rand() / (double)RAND_MAX - 0.5; + var[2] = var[1] + rand() / (double)RAND_MAX - 0.5; + var[3] = var[2] + rand() / (double)RAND_MAX - 0.5; + av_update_lls(&m, var, 0.99); + av_solve_lls(&m, 0.001, 0); + for(order=0; order<3; order++){ + eval= av_evaluate_lls(&m, var+1, order); + printf("real:%9f order:%d pred:%9f var:%f coeffs:%f %9f %9f\n", + var[0], order, eval, sqrt(m.variance[order] / (i+1)), + m.coeff[order][0], m.coeff[order][1], m.coeff[order][2]); + } + } + return 0; +} + +#endif diff --git a/lib/ffmpeg/libavutil/lls.h b/lib/ffmpeg/libavutil/lls.h new file mode 100644 index 0000000000..d168e59749 --- /dev/null +++ b/lib/ffmpeg/libavutil/lls.h @@ -0,0 +1,45 @@ +/* + * linear least squares model + * + * Copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_LLS_H +#define AVUTIL_LLS_H + +#define MAX_VARS 32 + +//FIXME avoid direct access to LLSModel from outside + +/** + * Linear least squares model. + */ +typedef struct LLSModel{ + double covariance[MAX_VARS+1][MAX_VARS+1]; + double coeff[MAX_VARS][MAX_VARS]; + double variance[MAX_VARS]; + int indep_count; +}LLSModel; + +void av_init_lls(LLSModel *m, int indep_count); +void av_update_lls(LLSModel *m, double *param, double decay); +void av_solve_lls(LLSModel *m, double threshold, int min_order); +double av_evaluate_lls(LLSModel *m, double *param, int order); + +#endif /* AVUTIL_LLS_H */ diff --git a/lib/ffmpeg/libavutil/log.c b/lib/ffmpeg/libavutil/log.c new file mode 100644 index 0000000000..9b493367e4 --- /dev/null +++ b/lib/ffmpeg/libavutil/log.c @@ -0,0 +1,149 @@ +/* + * log functions + * Copyright (c) 2003 Michel Bardiaux + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * logging functions + */ + +#include +#include +#include "avutil.h" +#include "log.h" + +#if LIBAVUTIL_VERSION_MAJOR > 50 +static +#endif +int av_log_level = AV_LOG_INFO; + +#if defined(_WIN32) && !defined(__MINGW32CE__) +#include +static const uint8_t color[] = {12,12,12,14,7,7,7}; +static int16_t background, attr_orig; +static HANDLE con; +#define set_color(x) SetConsoleTextAttribute(con, background | color[x]) +#define reset_color() SetConsoleTextAttribute(con, attr_orig) +#else +static const uint8_t color[]={0x41,0x41,0x11,0x03,9,9,9}; +#define set_color(x) fprintf(stderr, "\033[%d;3%dm", color[x]>>4, color[x]&15) +#define reset_color() fprintf(stderr, "\033[0m") +#endif +static int use_color=-1; + +#undef fprintf +static void colored_fputs(int level, const char *str){ + if(use_color<0){ +#if defined(_WIN32) && !defined(__MINGW32CE__) + CONSOLE_SCREEN_BUFFER_INFO con_info; + con = GetStdHandle(STD_ERROR_HANDLE); + use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR"); + if (use_color) { + GetConsoleScreenBufferInfo(con, &con_info); + attr_orig = con_info.wAttributes; + background = attr_orig & 0xF0; + } +#elif HAVE_ISATTY + use_color= getenv("TERM") && !getenv("NO_COLOR") && isatty(2); +#else + use_color= 0; +#endif + } + + if(use_color){ + set_color(level); + } + fputs(str, stderr); + if(use_color){ + reset_color(); + } +} + +const char* av_default_item_name(void* ptr){ + return (*(AVClass**)ptr)->class_name; +} + +void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) +{ + static int print_prefix=1; + static int count; + static char line[1024], prev[1024]; + AVClass* avc= ptr ? *(AVClass**)ptr : NULL; + if(level>av_log_level) + return; + line[0]=0; +#undef fprintf + if(print_prefix && avc) { + if(avc->version >= (50<<16 | 15<<8 | 3) && avc->parent_log_context_offset){ + AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset); + if(parent && *parent){ + snprintf(line, sizeof(line), "[%s @ %p] ", (*parent)->item_name(parent), parent); + } + } + snprintf(line + strlen(line), sizeof(line) - strlen(line), "[%s @ %p] ", avc->item_name(ptr), ptr); + } + + vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl); + + print_prefix= line[strlen(line)-1] == '\n'; + if(print_prefix && !strcmp(line, prev)){ + count++; + return; + } + if(count>0){ + fprintf(stderr, " Last message repeated %d times\n", count); + count=0; + } + colored_fputs(av_clip(level>>3, 0, 6), line); + strcpy(prev, line); +} + +static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback; + +void av_log(void* avcl, int level, const char *fmt, ...) +{ + AVClass* avc= avcl ? *(AVClass**)avcl : NULL; + va_list vl; + va_start(vl, fmt); + if(avc && avc->version >= (50<<16 | 15<<8 | 2) && avc->log_level_offset_offset && level>=AV_LOG_FATAL) + level += *(int*)(((uint8_t*)avcl) + avc->log_level_offset_offset); + av_vlog(avcl, level, fmt, vl); + va_end(vl); +} + +void av_vlog(void* avcl, int level, const char *fmt, va_list vl) +{ + av_log_callback(avcl, level, fmt, vl); +} + +int av_log_get_level(void) +{ + return av_log_level; +} + +void av_log_set_level(int level) +{ + av_log_level = level; +} + +void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) +{ + av_log_callback = callback; +} diff --git a/lib/ffmpeg/libavutil/log.h b/lib/ffmpeg/libavutil/log.h new file mode 100644 index 0000000000..831c26eae6 --- /dev/null +++ b/lib/ffmpeg/libavutil/log.h @@ -0,0 +1,138 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_LOG_H +#define AVUTIL_LOG_H + +#include +#include "avutil.h" + +/** + * Describe the class of an AVClass context structure. That is an + * arbitrary struct of which the first field is a pointer to an + * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). + */ +typedef struct { + /** + * The name of the class; usually it is the same name as the + * context structure type to which the AVClass is associated. + */ + const char* class_name; + + /** + * A pointer to a function which returns the name of a context + * instance ctx associated with the class. + */ + const char* (*item_name)(void* ctx); + + /** + * a pointer to the first option specified in the class if any or NULL + * + * @see av_set_default_options() + */ + const struct AVOption *option; + + /** + * LIBAVUTIL_VERSION with which this structure was created. + * This is used to allow fields to be added without requiring major + * version bumps everywhere. + */ + + int version; + + /** + * Offset in the structure where log_level_offset is stored. + * 0 means there is no such variable + */ + int log_level_offset_offset; + + /** + * Offset in the structure where a pointer to the parent context for loging is stored. + * for example a decoder that uses eval.c could pass its AVCodecContext to eval as such + * parent context. And a av_log() implementation could then display the parent context + * can be NULL of course + */ + int parent_log_context_offset; +} AVClass; + +/* av_log API */ + +#define AV_LOG_QUIET -8 + +/** + * Something went really wrong and we will crash now. + */ +#define AV_LOG_PANIC 0 + +/** + * Something went wrong and recovery is not possible. + * For example, no header was found for a format which depends + * on headers or an illegal combination of parameters is used. + */ +#define AV_LOG_FATAL 8 + +/** + * Something went wrong and cannot losslessly be recovered. + * However, not all future data is affected. + */ +#define AV_LOG_ERROR 16 + +/** + * Something somehow does not look correct. This may or may not + * lead to problems. An example would be the use of '-vstrict -2'. + */ +#define AV_LOG_WARNING 24 + +#define AV_LOG_INFO 32 +#define AV_LOG_VERBOSE 40 + +/** + * Stuff which is only useful for libav* developers. + */ +#define AV_LOG_DEBUG 48 + +/** + * Send the specified message to the log if the level is less than or equal + * to the current av_log_level. By default, all logging messages are sent to + * stderr. This behavior can be altered by setting a different av_vlog callback + * function. + * + * @param avcl A pointer to an arbitrary struct of which the first field is a + * pointer to an AVClass struct. + * @param level The importance level of the message, lower values signifying + * higher importance. + * @param fmt The format string (printf-compatible) that specifies how + * subsequent arguments are converted to output. + * @see av_vlog + */ +#ifdef __GNUC__ +void av_log(void *avcl, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); +#else +void av_log(void *avcl, int level, const char *fmt, ...); +#endif + +void av_vlog(void *avcl, int level, const char *fmt, va_list); +int av_log_get_level(void); +void av_log_set_level(int); +void av_log_set_callback(void (*)(void*, int, const char*, va_list)); +void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); +const char* av_default_item_name(void* ctx); + +#endif /* AVUTIL_LOG_H */ diff --git a/lib/ffmpeg/libavutil/lzo.c b/lib/ffmpeg/libavutil/lzo.c new file mode 100644 index 0000000000..a876fc7776 --- /dev/null +++ b/lib/ffmpeg/libavutil/lzo.c @@ -0,0 +1,279 @@ +/* + * LZO 1x decompression + * Copyright (c) 2006 Reimar Doeffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "avutil.h" +#include "common.h" +//! Avoid e.g. MPlayers fast_memcpy, it slows things down here. +#undef memcpy +#include +#include "lzo.h" + +//! Define if we may write up to 12 bytes beyond the output buffer. +#define OUTBUF_PADDED 1 +//! Define if we may read up to 8 bytes beyond the input buffer. +#define INBUF_PADDED 1 +typedef struct LZOContext { + const uint8_t *in, *in_end; + uint8_t *out_start, *out, *out_end; + int error; +} LZOContext; + +/** + * \brief Reads one byte from the input buffer, avoiding an overrun. + * \return byte read + */ +static inline int get_byte(LZOContext *c) { + if (c->in < c->in_end) + return *c->in++; + c->error |= AV_LZO_INPUT_DEPLETED; + return 1; +} + +#ifdef INBUF_PADDED +#define GETB(c) (*(c).in++) +#else +#define GETB(c) get_byte(&(c)) +#endif + +/** + * \brief Decodes a length value in the coding used by lzo. + * \param x previous byte value + * \param mask bits used from x + * \return decoded length value + */ +static inline int get_len(LZOContext *c, int x, int mask) { + int cnt = x & mask; + if (!cnt) { + while (!(x = get_byte(c))) cnt += 255; + cnt += mask + x; + } + return cnt; +} + +//#define UNALIGNED_LOADSTORE +#define BUILTIN_MEMCPY +#ifdef UNALIGNED_LOADSTORE +#define COPY2(d, s) *(uint16_t *)(d) = *(uint16_t *)(s); +#define COPY4(d, s) *(uint32_t *)(d) = *(uint32_t *)(s); +#elif defined(BUILTIN_MEMCPY) +#define COPY2(d, s) memcpy(d, s, 2); +#define COPY4(d, s) memcpy(d, s, 4); +#else +#define COPY2(d, s) (d)[0] = (s)[0]; (d)[1] = (s)[1]; +#define COPY4(d, s) (d)[0] = (s)[0]; (d)[1] = (s)[1]; (d)[2] = (s)[2]; (d)[3] = (s)[3]; +#endif + +/** + * \brief Copies bytes from input to output buffer with checking. + * \param cnt number of bytes to copy, must be >= 0 + */ +static inline void copy(LZOContext *c, int cnt) { + register const uint8_t *src = c->in; + register uint8_t *dst = c->out; + if (cnt > c->in_end - src) { + cnt = FFMAX(c->in_end - src, 0); + c->error |= AV_LZO_INPUT_DEPLETED; + } + if (cnt > c->out_end - dst) { + cnt = FFMAX(c->out_end - dst, 0); + c->error |= AV_LZO_OUTPUT_FULL; + } +#if defined(INBUF_PADDED) && defined(OUTBUF_PADDED) + COPY4(dst, src); + src += 4; + dst += 4; + cnt -= 4; + if (cnt > 0) +#endif + memcpy(dst, src, cnt); + c->in = src + cnt; + c->out = dst + cnt; +} + +static inline void memcpy_backptr(uint8_t *dst, int back, int cnt); + +/** + * \brief Copies previously decoded bytes to current position. + * \param back how many bytes back we start + * \param cnt number of bytes to copy, must be >= 0 + * + * cnt > back is valid, this will copy the bytes we just copied, + * thus creating a repeating pattern with a period length of back. + */ +static inline void copy_backptr(LZOContext *c, int back, int cnt) { + register const uint8_t *src = &c->out[-back]; + register uint8_t *dst = c->out; + if (src < c->out_start || src > dst) { + c->error |= AV_LZO_INVALID_BACKPTR; + return; + } + if (cnt > c->out_end - dst) { + cnt = FFMAX(c->out_end - dst, 0); + c->error |= AV_LZO_OUTPUT_FULL; + } + memcpy_backptr(dst, back, cnt); + c->out = dst + cnt; +} + +static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) { + const uint8_t *src = &dst[-back]; + if (back == 1) { + memset(dst, *src, cnt); + } else { +#ifdef OUTBUF_PADDED + COPY2(dst, src); + COPY2(dst + 2, src + 2); + src += 4; + dst += 4; + cnt -= 4; + if (cnt > 0) { + COPY2(dst, src); + COPY2(dst + 2, src + 2); + COPY2(dst + 4, src + 4); + COPY2(dst + 6, src + 6); + src += 8; + dst += 8; + cnt -= 8; + } +#endif + if (cnt > 0) { + int blocklen = back; + while (cnt > blocklen) { + memcpy(dst, src, blocklen); + dst += blocklen; + cnt -= blocklen; + blocklen <<= 1; + } + memcpy(dst, src, cnt); + } + } +} + +void av_memcpy_backptr(uint8_t *dst, int back, int cnt) { + memcpy_backptr(dst, back, cnt); +} + +int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) { + int state= 0; + int x; + LZOContext c; + c.in = in; + c.in_end = (const uint8_t *)in + *inlen; + c.out = c.out_start = out; + c.out_end = (uint8_t *)out + * outlen; + c.error = 0; + x = GETB(c); + if (x > 17) { + copy(&c, x - 17); + x = GETB(c); + if (x < 16) c.error |= AV_LZO_ERROR; + } + if (c.in > c.in_end) + c.error |= AV_LZO_INPUT_DEPLETED; + while (!c.error) { + int cnt, back; + if (x > 15) { + if (x > 63) { + cnt = (x >> 5) - 1; + back = (GETB(c) << 3) + ((x >> 2) & 7) + 1; + } else if (x > 31) { + cnt = get_len(&c, x, 31); + x = GETB(c); + back = (GETB(c) << 6) + (x >> 2) + 1; + } else { + cnt = get_len(&c, x, 7); + back = (1 << 14) + ((x & 8) << 11); + x = GETB(c); + back += (GETB(c) << 6) + (x >> 2); + if (back == (1 << 14)) { + if (cnt != 1) + c.error |= AV_LZO_ERROR; + break; + } + } + } else if(!state){ + cnt = get_len(&c, x, 15); + copy(&c, cnt + 3); + x = GETB(c); + if (x > 15) + continue; + cnt = 1; + back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1; + } else { + cnt = 0; + back = (GETB(c) << 2) + (x >> 2) + 1; + } + copy_backptr(&c, back, cnt + 2); + state= + cnt = x & 3; + copy(&c, cnt); + x = GETB(c); + } + *inlen = c.in_end - c.in; + if (c.in > c.in_end) + *inlen = 0; + *outlen = c.out_end - c.out; + return c.error; +} + +#ifdef TEST +#include +#include +#include "log.h" +#define MAXSZ (10*1024*1024) + +/* Define one of these to 1 if you wish to benchmark liblzo + * instead of our native implementation. */ +#define BENCHMARK_LIBLZO_SAFE 0 +#define BENCHMARK_LIBLZO_UNSAFE 0 + +int main(int argc, char *argv[]) { + FILE *in = fopen(argv[1], "rb"); + uint8_t *orig = av_malloc(MAXSZ + 16); + uint8_t *comp = av_malloc(2*MAXSZ + 16); + uint8_t *decomp = av_malloc(MAXSZ + 16); + size_t s = fread(orig, 1, MAXSZ, in); + lzo_uint clen = 0; + long tmp[LZO1X_MEM_COMPRESS]; + int inlen, outlen; + int i; + av_log_set_level(AV_LOG_DEBUG); + lzo1x_999_compress(orig, s, comp, &clen, tmp); + for (i = 0; i < 300; i++) { +START_TIMER + inlen = clen; outlen = MAXSZ; +#if BENCHMARK_LIBLZO_SAFE + if (lzo1x_decompress_safe(comp, inlen, decomp, &outlen, NULL)) +#elif BENCHMARK_LIBLZO_UNSAFE + if (lzo1x_decompress(comp, inlen, decomp, &outlen, NULL)) +#else + if (av_lzo1x_decode(decomp, &outlen, comp, &inlen)) +#endif + av_log(NULL, AV_LOG_ERROR, "decompression error\n"); +STOP_TIMER("lzod") + } + if (memcmp(orig, decomp, s)) + av_log(NULL, AV_LOG_ERROR, "decompression incorrect\n"); + else + av_log(NULL, AV_LOG_ERROR, "decompression OK\n"); + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/lzo.h b/lib/ffmpeg/libavutil/lzo.h new file mode 100644 index 0000000000..6788054bff --- /dev/null +++ b/lib/ffmpeg/libavutil/lzo.h @@ -0,0 +1,66 @@ +/* + * LZO 1x decompression + * copyright (c) 2006 Reimar Doeffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_LZO_H +#define AVUTIL_LZO_H + +#include + +/** \defgroup errflags Error flags returned by av_lzo1x_decode + * \{ */ +//! end of the input buffer reached before decoding finished +#define AV_LZO_INPUT_DEPLETED 1 +//! decoded data did not fit into output buffer +#define AV_LZO_OUTPUT_FULL 2 +//! a reference to previously decoded data was wrong +#define AV_LZO_INVALID_BACKPTR 4 +//! a non-specific error in the compressed bitstream +#define AV_LZO_ERROR 8 +/** \} */ + +#define AV_LZO_INPUT_PADDING 8 +#define AV_LZO_OUTPUT_PADDING 12 + +/** + * \brief Decodes LZO 1x compressed data. + * \param out output buffer + * \param outlen size of output buffer, number of bytes left are returned here + * \param in input buffer + * \param inlen size of input buffer, number of bytes left are returned here + * \return 0 on success, otherwise a combination of the error flags above + * + * Make sure all buffers are appropriately padded, in must provide + * AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes. + */ +int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen); + +/** + * \brief deliberately overlapping memcpy implementation + * \param dst destination buffer; must be padded with 12 additional bytes + * \param back how many bytes back we start (the initial size of the overlapping window) + * \param cnt number of bytes to copy, must be >= 0 + * + * cnt > back is valid, this will copy the bytes we just copied, + * thus creating a repeating pattern with a period length of back. + */ +void av_memcpy_backptr(uint8_t *dst, int back, int cnt); + +#endif /* AVUTIL_LZO_H */ diff --git a/lib/ffmpeg/libavutil/mathematics.c b/lib/ffmpeg/libavutil/mathematics.c new file mode 100644 index 0000000000..c6851cb755 --- /dev/null +++ b/lib/ffmpeg/libavutil/mathematics.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2005 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * miscellaneous math routines and tables + */ + +#include +#include +#include +#include "mathematics.h" + +const uint8_t ff_sqrt_tab[256]={ + 0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90, + 91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127, +128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156, +157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181, +182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202, +203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222, +222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239, +240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255 +}; + +const uint8_t ff_log2_tab[256]={ + 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, + 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 +}; + +const uint8_t av_reverse[256]={ +0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0, +0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8, +0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4, +0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC, +0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2, +0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA, +0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6, +0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE, +0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1, +0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9, +0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5, +0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD, +0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3, +0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB, +0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7, +0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF, +}; + +int64_t av_gcd(int64_t a, int64_t b){ + if(b) return av_gcd(b, a%b); + else return a; +} + +int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){ + int64_t r=0; + assert(c > 0); + assert(b >=0); + assert((unsigned)rnd<=5 && rnd!=4); + + if(a<0 && a != INT64_MIN) return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd>>1)&1)); + + if(rnd==AV_ROUND_NEAR_INF) r= c/2; + else if(rnd&1) r= c-1; + + if(b<=INT_MAX && c<=INT_MAX){ + if(a<=INT_MAX) + return (a * b + r)/c; + else + return a/c*b + (a%c*b + r)/c; + }else{ +#if 1 + uint64_t a0= a&0xFFFFFFFF; + uint64_t a1= a>>32; + uint64_t b0= b&0xFFFFFFFF; + uint64_t b1= b>>32; + uint64_t t1= a0*b1 + a1*b0; + uint64_t t1a= t1<<32; + int i; + + a0 = a0*b0 + t1a; + a1 = a1*b1 + (t1>>32) + (a0=0; i--){ +// int o= a1 & 0x8000000000000000ULL; + a1+= a1 + ((a0>>i)&1); + t1+=t1; + if(/*o || */c <= a1){ + a1 -= c; + t1++; + } + } + return t1; + } +#else + AVInteger ai; + ai= av_mul_i(av_int2i(a), av_int2i(b)); + ai= av_add_i(ai, av_int2i(r)); + + return av_i2int(av_div_i(ai, av_int2i(c))); + } +#endif +} + +int64_t av_rescale(int64_t a, int64_t b, int64_t c){ + return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF); +} + +int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){ + int64_t b= bq.num * (int64_t)cq.den; + int64_t c= cq.num * (int64_t)bq.den; + return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF); +} + +int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b){ + int64_t a= tb_a.num * (int64_t)tb_b.den; + int64_t b= tb_b.num * (int64_t)tb_a.den; + if (av_rescale_rnd(ts_a, a, b, AV_ROUND_DOWN) < ts_b) return -1; + if (av_rescale_rnd(ts_b, b, a, AV_ROUND_DOWN) < ts_a) return 1; + return 0; +} + +int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod){ + int64_t c= (a-b) & (mod-1); + if(c > (mod>>1)) + c-= mod; + return c; +} + +#ifdef TEST +#include "integer.h" +#undef printf +int main(void){ + int64_t a,b,c,d,e; + + for(a=7; a<(1LL<<62); a+=a/3+1){ + for(b=3; b<(1LL<<62); b+=b/4+1){ + for(c=9; c<(1LL<<62); c+=(c*2)/5+3){ + int64_t r= c/2; + AVInteger ai; + ai= av_mul_i(av_int2i(a), av_int2i(b)); + ai= av_add_i(ai, av_int2i(r)); + + d= av_i2int(av_div_i(ai, av_int2i(c))); + + e= av_rescale(a,b,c); + + if((double)a * (double)b / (double)c > (1LL<<63)) + continue; + + if(d!=e) printf("%"PRId64"*%"PRId64"/%"PRId64"= %"PRId64"=%"PRId64"\n", a, b, c, d, e); + } + } + } + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/mathematics.h b/lib/ffmpeg/libavutil/mathematics.h new file mode 100644 index 0000000000..3e5631116f --- /dev/null +++ b/lib/ffmpeg/libavutil/mathematics.h @@ -0,0 +1,109 @@ +/* + * copyright (c) 2005 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_MATHEMATICS_H +#define AVUTIL_MATHEMATICS_H + +#include +#include +#include "attributes.h" +#include "rational.h" + +#ifndef M_E +#define M_E 2.7182818284590452354 /* e */ +#endif +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 /* log_e 2 */ +#endif +#ifndef M_LN10 +#define M_LN10 2.30258509299404568402 /* log_e 10 */ +#endif +#ifndef M_LOG2_10 +#define M_LOG2_10 3.32192809488736234787 /* log_2 10 */ +#endif +#ifndef M_PI +#define M_PI 3.14159265358979323846 /* pi */ +#endif +#ifndef M_SQRT1_2 +#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ +#endif +#ifndef M_SQRT2 +#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ +#endif +#ifndef NAN +#define NAN (0.0/0.0) +#endif +#ifndef INFINITY +#define INFINITY (1.0/0.0) +#endif + +enum AVRounding { + AV_ROUND_ZERO = 0, ///< Round toward zero. + AV_ROUND_INF = 1, ///< Round away from zero. + AV_ROUND_DOWN = 2, ///< Round toward -infinity. + AV_ROUND_UP = 3, ///< Round toward +infinity. + AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero. +}; + +/** + * Return the greatest common divisor of a and b. + * If both a and b are 0 or either or both are <0 then behavior is + * undefined. + */ +int64_t av_const av_gcd(int64_t a, int64_t b); + +/** + * Rescale a 64-bit integer with rounding to nearest. + * A simple a*b/c isn't possible as it can overflow. + */ +int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const; + +/** + * Rescale a 64-bit integer with specified rounding. + * A simple a*b/c isn't possible as it can overflow. + */ +int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const; + +/** + * Rescale a 64-bit integer by 2 rational numbers. + */ +int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const; + +/** + * Compare 2 timestamps each in its own timebases. + * The result of the function is undefined if one of the timestamps + * is outside the int64_t range when represented in the others timebase. + * @return -1 if ts_a is before ts_b, 1 if ts_a is after ts_b or 0 if they represent the same position + */ +int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b); + +/** + * Compare 2 integers modulo mod. + * That is we compare integers a and b for which only the least + * significant log2(mod) bits are known. + * + * @param mod must be a power of 2 + * @return a negative value if a is smaller than b + * a positive value if a is greater than b + * 0 if a equals b + */ +int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod); + +#endif /* AVUTIL_MATHEMATICS_H */ diff --git a/lib/ffmpeg/libavutil/md5.c b/lib/ffmpeg/libavutil/md5.c new file mode 100644 index 0000000000..173ed0623b --- /dev/null +++ b/lib/ffmpeg/libavutil/md5.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2006 Michael Niedermayer (michaelni@gmx.at) + * Copyright (C) 2003-2005 by Christopher R. Hertel (crh@ubiqx.mn.org) + * + * References: + * IETF RFC 1321: The MD5 Message-Digest Algorithm + * Ron Rivest. IETF, April, 1992 + * + * based on http://ubiqx.org/libcifs/source/Auth/MD5.c + * from Christopher R. Hertel (crh@ubiqx.mn.org) + * Simplified, cleaned and IMO redundant comments removed by michael. + * + * If you use gcc, then version 4.1 or later and -fomit-frame-pointer is + * strongly recommended. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "bswap.h" +#include "md5.h" + +typedef struct AVMD5{ + uint64_t len; + uint8_t block[64]; + uint32_t ABCD[4]; +} AVMD5; + +const int av_md5_size= sizeof(AVMD5); + +static const uint8_t S[4][4] = { + { 7, 12, 17, 22 }, /* round 1 */ + { 5, 9, 14, 20 }, /* round 2 */ + { 4, 11, 16, 23 }, /* round 3 */ + { 6, 10, 15, 21 } /* round 4 */ +}; + +static const uint32_t T[64] = { // T[i]= fabs(sin(i+1)<<32) + 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, /* round 1 */ + 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, + 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, + 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, + + 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, /* round 2 */ + 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, + 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, + 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, + + 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, /* round 3 */ + 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, + 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, + 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, + + 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, /* round 4 */ + 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, + 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, + 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391, +}; + +#define CORE(i, a, b, c, d) \ + t = S[i>>4][i&3];\ + a += T[i];\ +\ + if(i<32){\ + if(i<16) a += (d ^ (b&(c^d))) + X[ i &15 ];\ + else a += (c ^ (d&(c^b))) + X[ (1+5*i)&15 ];\ + }else{\ + if(i<48) a += (b^c^d) + X[ (5+3*i)&15 ];\ + else a += (c^(b|~d)) + X[ ( 7*i)&15 ];\ + }\ + a = b + (( a << t ) | ( a >> (32 - t) )); + +static void body(uint32_t ABCD[4], uint32_t X[16]){ + + int t; + int i av_unused; + unsigned int a= ABCD[3]; + unsigned int b= ABCD[2]; + unsigned int c= ABCD[1]; + unsigned int d= ABCD[0]; + +#if HAVE_BIGENDIAN + for(i=0; i<16; i++) + X[i]= av_bswap32(X[i]); +#endif + +#if CONFIG_SMALL + for( i = 0; i < 64; i++ ){ + CORE(i,a,b,c,d) + t=d; d=c; c=b; b=a; a=t; + } +#else +#define CORE2(i) CORE(i,a,b,c,d) CORE((i+1),d,a,b,c) CORE((i+2),c,d,a,b) CORE((i+3),b,c,d,a) +#define CORE4(i) CORE2(i) CORE2((i+4)) CORE2((i+8)) CORE2((i+12)) +CORE4(0) CORE4(16) CORE4(32) CORE4(48) +#endif + + ABCD[0] += d; + ABCD[1] += c; + ABCD[2] += b; + ABCD[3] += a; +} + +void av_md5_init(AVMD5 *ctx){ + ctx->len = 0; + + ctx->ABCD[0] = 0x10325476; + ctx->ABCD[1] = 0x98badcfe; + ctx->ABCD[2] = 0xefcdab89; + ctx->ABCD[3] = 0x67452301; +} + +void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len){ + int i, j; + + j= ctx->len & 63; + ctx->len += len; + + for( i = 0; i < len; i++ ){ + ctx->block[j++] = src[i]; + if( 64 == j ){ + body(ctx->ABCD, (uint32_t*) ctx->block); + j = 0; + } + } +} + +void av_md5_final(AVMD5 *ctx, uint8_t *dst){ + int i; + uint64_t finalcount= av_le2ne64(ctx->len<<3); + + av_md5_update(ctx, "\200", 1); + while((ctx->len & 63)!=56) + av_md5_update(ctx, "", 1); + + av_md5_update(ctx, (uint8_t*)&finalcount, 8); + + for(i=0; i<4; i++) + ((uint32_t*)dst)[i]= av_le2ne32(ctx->ABCD[3-i]); +} + +void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len){ + AVMD5 ctx[1]; + + av_md5_init(ctx); + av_md5_update(ctx, src, len); + av_md5_final(ctx, dst); +} + +#ifdef TEST +#include +#include +#undef printf +int main(void){ + uint64_t md5val; + int i; + uint8_t in[1000]; + + for(i=0; i<1000; i++) in[i]= i*i; + av_md5_sum( (uint8_t*)&md5val, in, 1000); printf("%"PRId64"\n", md5val); + av_md5_sum( (uint8_t*)&md5val, in, 63); printf("%"PRId64"\n", md5val); + av_md5_sum( (uint8_t*)&md5val, in, 64); printf("%"PRId64"\n", md5val); + av_md5_sum( (uint8_t*)&md5val, in, 65); printf("%"PRId64"\n", md5val); + for(i=0; i<1000; i++) in[i]= i % 127; + av_md5_sum( (uint8_t*)&md5val, in, 999); printf("%"PRId64"\n", md5val); + + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/md5.h b/lib/ffmpeg/libavutil/md5.h new file mode 100644 index 0000000000..969202a807 --- /dev/null +++ b/lib/ffmpeg/libavutil/md5.h @@ -0,0 +1,36 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_MD5_H +#define AVUTIL_MD5_H + +#include + +extern const int av_md5_size; + +struct AVMD5; + +void av_md5_init(struct AVMD5 *ctx); +void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len); +void av_md5_final(struct AVMD5 *ctx, uint8_t *dst); +void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len); + +#endif /* AVUTIL_MD5_H */ + diff --git a/lib/ffmpeg/libavutil/mem.c b/lib/ffmpeg/libavutil/mem.c new file mode 100644 index 0000000000..8cad089a7d --- /dev/null +++ b/lib/ffmpeg/libavutil/mem.c @@ -0,0 +1,176 @@ +/* + * default memory allocator for libavutil + * Copyright (c) 2002 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * default memory allocator for libavutil + */ + +#include "config.h" + +#include +#include +#include +#if HAVE_MALLOC_H +#include +#endif + +#include "avutil.h" +#include "mem.h" + +/* here we can use OS-dependent allocation functions */ +#undef free +#undef malloc +#undef realloc + +#ifdef MALLOC_PREFIX + +#define malloc AV_JOIN(MALLOC_PREFIX, malloc) +#define memalign AV_JOIN(MALLOC_PREFIX, memalign) +#define posix_memalign AV_JOIN(MALLOC_PREFIX, posix_memalign) +#define realloc AV_JOIN(MALLOC_PREFIX, realloc) +#define free AV_JOIN(MALLOC_PREFIX, free) + +void *malloc(size_t size); +void *memalign(size_t align, size_t size); +int posix_memalign(void **ptr, size_t align, size_t size); +void *realloc(void *ptr, size_t size); +void free(void *ptr); + +#endif /* MALLOC_PREFIX */ + +/* You can redefine av_malloc and av_free in your project to use your + memory allocator. You do not need to suppress this file because the + linker will do it automatically. */ + +void *av_malloc(unsigned int size) +{ + void *ptr = NULL; +#if CONFIG_MEMALIGN_HACK + long diff; +#endif + + /* let's disallow possible ambiguous cases */ + if(size > (INT_MAX-16) ) + return NULL; + +#if CONFIG_MEMALIGN_HACK + ptr = malloc(size+16); + if(!ptr) + return ptr; + diff= ((-(long)ptr - 1)&15) + 1; + ptr = (char*)ptr + diff; + ((char*)ptr)[-1]= diff; +#elif HAVE_POSIX_MEMALIGN + if (posix_memalign(&ptr,16,size)) + ptr = NULL; +#elif HAVE_MEMALIGN + ptr = memalign(16,size); + /* Why 64? + Indeed, we should align it: + on 4 for 386 + on 16 for 486 + on 32 for 586, PPro - K6-III + on 64 for K7 (maybe for P3 too). + Because L1 and L2 caches are aligned on those values. + But I don't want to code such logic here! + */ + /* Why 16? + Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs + it will just trigger an exception and the unaligned load will be done in the + exception handler or it will just segfault (SSE2 on P4). + Why not larger? Because I did not see a difference in benchmarks ... + */ + /* benchmarks with P3 + memalign(64)+1 3071,3051,3032 + memalign(64)+2 3051,3032,3041 + memalign(64)+4 2911,2896,2915 + memalign(64)+8 2545,2554,2550 + memalign(64)+16 2543,2572,2563 + memalign(64)+32 2546,2545,2571 + memalign(64)+64 2570,2533,2558 + + BTW, malloc seems to do 8-byte alignment by default here. + */ +#else + ptr = malloc(size); +#endif + return ptr; +} + +void *av_realloc(void *ptr, unsigned int size) +{ +#if CONFIG_MEMALIGN_HACK + int diff; +#endif + + /* let's disallow possible ambiguous cases */ + if(size > (INT_MAX-16) ) + return NULL; + +#if CONFIG_MEMALIGN_HACK + //FIXME this isn't aligned correctly, though it probably isn't needed + if(!ptr) return av_malloc(size); + diff= ((char*)ptr)[-1]; + return (char*)realloc((char*)ptr - diff, size + diff) + diff; +#else + return realloc(ptr, size); +#endif +} + +void av_free(void *ptr) +{ + /* XXX: this test should not be needed on most libcs */ + if (ptr) +#if CONFIG_MEMALIGN_HACK + free((char*)ptr - ((char*)ptr)[-1]); +#else + free(ptr); +#endif +} + +void av_freep(void *arg) +{ + void **ptr= (void**)arg; + av_free(*ptr); + *ptr = NULL; +} + +void *av_mallocz(unsigned int size) +{ + void *ptr = av_malloc(size); + if (ptr) + memset(ptr, 0, size); + return ptr; +} + +char *av_strdup(const char *s) +{ + char *ptr= NULL; + if(s){ + int len = strlen(s) + 1; + ptr = av_malloc(len); + if (ptr) + memcpy(ptr, s, len); + } + return ptr; +} + diff --git a/lib/ffmpeg/libavutil/mem.h b/lib/ffmpeg/libavutil/mem.h new file mode 100644 index 0000000000..c5ec2ab3c3 --- /dev/null +++ b/lib/ffmpeg/libavutil/mem.h @@ -0,0 +1,126 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * memory handling functions + */ + +#ifndef AVUTIL_MEM_H +#define AVUTIL_MEM_H + +#include "attributes.h" +#include "avutil.h" + +#if defined(__ICC) && _ICC < 1200 || defined(__SUNPRO_C) + #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v + #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v +#elif defined(__TI_COMPILER_VERSION__) + #define DECLARE_ALIGNED(n,t,v) \ + AV_PRAGMA(DATA_ALIGN(v,n)) \ + t __attribute__((aligned(n))) v + #define DECLARE_ASM_CONST(n,t,v) \ + AV_PRAGMA(DATA_ALIGN(v,n)) \ + static const t __attribute__((aligned(n))) v +#elif defined(__GNUC__) + #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v + #define DECLARE_ASM_CONST(n,t,v) static const t attribute_used __attribute__ ((aligned (n))) v +#elif defined(_MSC_VER) + #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v + #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v +#else + #define DECLARE_ALIGNED(n,t,v) t v + #define DECLARE_ASM_CONST(n,t,v) static const t v +#endif + +#if AV_GCC_VERSION_AT_LEAST(3,1) + #define av_malloc_attrib __attribute__((__malloc__)) +#else + #define av_malloc_attrib +#endif + +#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3) + #define av_alloc_size(n) __attribute__((alloc_size(n))) +#else + #define av_alloc_size(n) +#endif + +/** + * Allocate a block of size bytes with alignment suitable for all + * memory accesses (including vectors if available on the CPU). + * @param size Size in bytes for the memory block to be allocated. + * @return Pointer to the allocated block, NULL if the block cannot + * be allocated. + * @see av_mallocz() + */ +void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1); + +/** + * Allocate or reallocate a block of memory. + * If ptr is NULL and size > 0, allocate a new block. If + * size is zero, free the memory block pointed to by ptr. + * @param size Size in bytes for the memory block to be allocated or + * reallocated. + * @param ptr Pointer to a memory block already allocated with + * av_malloc(z)() or av_realloc() or NULL. + * @return Pointer to a newly reallocated block or NULL if the block + * cannot be reallocated or the function is used to free the memory block. + * @see av_fast_realloc() + */ +void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2); + +/** + * Free a memory block which has been allocated with av_malloc(z)() or + * av_realloc(). + * @param ptr Pointer to the memory block which should be freed. + * @note ptr = NULL is explicitly allowed. + * @note It is recommended that you use av_freep() instead. + * @see av_freep() + */ +void av_free(void *ptr); + +/** + * Allocate a block of size bytes with alignment suitable for all + * memory accesses (including vectors if available on the CPU) and + * zero all the bytes of the block. + * @param size Size in bytes for the memory block to be allocated. + * @return Pointer to the allocated block, NULL if it cannot be allocated. + * @see av_malloc() + */ +void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1); + +/** + * Duplicate the string s. + * @param s string to be duplicated + * @return Pointer to a newly allocated string containing a + * copy of s or NULL if the string cannot be allocated. + */ +char *av_strdup(const char *s) av_malloc_attrib; + +/** + * Free a memory block which has been allocated with av_malloc(z)() or + * av_realloc() and set the pointer pointing to it to NULL. + * @param ptr Pointer to the pointer to the memory block which should + * be freed. + * @see av_free() + */ +void av_freep(void *ptr); + +#endif /* AVUTIL_MEM_H */ diff --git a/lib/ffmpeg/libavutil/mips/intreadwrite.h b/lib/ffmpeg/libavutil/mips/intreadwrite.h new file mode 100644 index 0000000000..b7479d3446 --- /dev/null +++ b/lib/ffmpeg/libavutil/mips/intreadwrite.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2009 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_MIPS_INTREADWRITE_H +#define AVUTIL_MIPS_INTREADWRITE_H + +#include +#include "config.h" + +#define AV_RN32 AV_RN32 +static av_always_inline uint32_t AV_RN32(const void *p) +{ + uint32_t v; + __asm__ ("lwl %0, %1 \n\t" + "lwr %0, %2 \n\t" + : "=&r"(v) + : "m"(*(const uint32_t *)((const uint8_t *)p+3*!HAVE_BIGENDIAN)), + "m"(*(const uint32_t *)((const uint8_t *)p+3*HAVE_BIGENDIAN))); + return v; +} + +#define AV_WN32 AV_WN32 +static av_always_inline void AV_WN32(void *p, uint32_t v) +{ + __asm__ ("swl %2, %0 \n\t" + "swr %2, %1 \n\t" + : "=m"(*(uint32_t *)((uint8_t *)p+3*!HAVE_BIGENDIAN)), + "=m"(*(uint32_t *)((uint8_t *)p+3*HAVE_BIGENDIAN)) + : "r"(v)); +} + +#if ARCH_MIPS64 + +#define AV_RN64 AV_RN64 +static av_always_inline uint64_t AV_RN64(const void *p) +{ + uint64_t v; + __asm__ ("ldl %0, %1 \n\t" + "ldr %0, %2 \n\t" + : "=&r"(v) + : "m"(*(const uint64_t *)((const uint8_t *)p+7*!HAVE_BIGENDIAN)), + "m"(*(const uint64_t *)((const uint8_t *)p+7*HAVE_BIGENDIAN))); + return v; +} + +#define AV_WN64 AV_WN64 +static av_always_inline void AV_WN64(void *p, uint64_t v) +{ + __asm__ ("sdl %2, %0 \n\t" + "sdr %2, %1 \n\t" + : "=m"(*(uint64_t *)((uint8_t *)p+7*!HAVE_BIGENDIAN)), + "=m"(*(uint64_t *)((uint8_t *)p+7*HAVE_BIGENDIAN)) + : "r"(v)); +} + +#else + +#define AV_RN64 AV_RN64 +static av_always_inline uint64_t AV_RN64(const void *p) +{ + union { uint64_t v; uint32_t hl[2]; } v; + v.hl[0] = AV_RN32(p); + v.hl[1] = AV_RN32((const uint8_t *)p + 4); + return v.v; +} + +#define AV_WN64 AV_WN64 +static av_always_inline void AV_WN64(void *p, uint64_t v) +{ + union { uint64_t v; uint32_t hl[2]; } vv = { v }; + AV_WN32(p, vv.hl[0]); + AV_WN32((uint8_t *)p + 4, vv.hl[1]); +} + +#endif /* ARCH_MIPS64 */ + +#endif /* AVUTIL_MIPS_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/pca.c b/lib/ffmpeg/libavutil/pca.c new file mode 100644 index 0000000000..ce08e9ccb4 --- /dev/null +++ b/lib/ffmpeg/libavutil/pca.c @@ -0,0 +1,246 @@ +/* + * principal component analysis (PCA) + * Copyright (c) 2004 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * principal component analysis (PCA) + */ + +#include "common.h" +#include "pca.h" + +typedef struct PCA{ + int count; + int n; + double *covariance; + double *mean; +}PCA; + +PCA *ff_pca_init(int n){ + PCA *pca; + if(n<=0) + return NULL; + + pca= av_mallocz(sizeof(PCA)); + pca->n= n; + pca->count=0; + pca->covariance= av_mallocz(sizeof(double)*n*n); + pca->mean= av_mallocz(sizeof(double)*n); + + return pca; +} + +void ff_pca_free(PCA *pca){ + av_freep(&pca->covariance); + av_freep(&pca->mean); + av_free(pca); +} + +void ff_pca_add(PCA *pca, double *v){ + int i, j; + const int n= pca->n; + + for(i=0; imean[i] += v[i]; + for(j=i; jcovariance[j + i*n] += v[i]*v[j]; + } + pca->count++; +} + +int ff_pca(PCA *pca, double *eigenvector, double *eigenvalue){ + int i, j, pass; + int k=0; + const int n= pca->n; + double z[n]; + + memset(eigenvector, 0, sizeof(double)*n*n); + + for(j=0; jmean[j] /= pca->count; + eigenvector[j + j*n] = 1.0; + for(i=0; i<=j; i++){ + pca->covariance[j + i*n] /= pca->count; + pca->covariance[j + i*n] -= pca->mean[i] * pca->mean[j]; + pca->covariance[i + j*n] = pca->covariance[j + i*n]; + } + eigenvalue[j]= pca->covariance[j + j*n]; + z[j]= 0; + } + + for(pass=0; pass < 50; pass++){ + double sum=0; + + for(i=0; icovariance[j + i*n]); + + if(sum == 0){ + for(i=0; i maxvalue){ + maxvalue= eigenvalue[j]; + k= j; + } + } + eigenvalue[k]= eigenvalue[i]; + eigenvalue[i]= maxvalue; + for(j=0; jcovariance[j + i*n]; + double t,c,s,tau,theta, h; + + if(pass < 3 && fabs(covar) < sum / (5*n*n)) //FIXME why pass < 3 + continue; + if(fabs(covar) == 0.0) //FIXME should not be needed + continue; + if(pass >=3 && fabs((eigenvalue[j]+z[j])/covar) > (1LL<<32) && fabs((eigenvalue[i]+z[i])/covar) > (1LL<<32)){ + pca->covariance[j + i*n]=0.0; + continue; + } + + h= (eigenvalue[j]+z[j]) - (eigenvalue[i]+z[i]); + theta=0.5*h/covar; + t=1.0/(fabs(theta)+sqrt(1.0+theta*theta)); + if(theta < 0.0) t = -t; + + c=1.0/sqrt(1+t*t); + s=t*c; + tau=s/(1.0+c); + z[i] -= t*covar; + z[j] += t*covar; + +#define ROTATE(a,i,j,k,l) {\ + double g=a[j + i*n];\ + double h=a[l + k*n];\ + a[j + i*n]=g-s*(h+g*tau);\ + a[l + k*n]=h+s*(g-h*tau); } + for(k=0; kcovariance,FFMIN(k,i),FFMAX(k,i),FFMIN(k,j),FFMAX(k,j)) + } + ROTATE(eigenvector,k,i,k,j) + } + pca->covariance[j + i*n]=0.0; + } + } + for (i=0; i +#include +#include "lfg.h" + +int main(void){ + PCA *pca; + int i, j, k; +#define LEN 8 + double eigenvector[LEN*LEN]; + double eigenvalue[LEN]; + AVLFG prng; + + av_lfg_init(&prng, 1); + + pca= ff_pca_init(LEN); + + for(i=0; i<9000000; i++){ + double v[2*LEN+100]; + double sum=0; + int pos = av_lfg_get(&prng) % LEN; + int v2 = av_lfg_get(&prng) % 101 - 50; + v[0] = av_lfg_get(&prng) % 101 - 50; + for(j=1; j<8; j++){ + if(j<=pos) v[j]= v[0]; + else v[j]= v2; + sum += v[j]; + } +/* for(j=0; jcount= 1; + pca->mean[i]= 0; + +// (0.5^|x|)^2 = 0.5^2|x| = 0.25^|x| + + +// pca.covariance[i + i*LEN]= pow(0.5, fabs + for(j=i; jcovariance[i + j*LEN]); + } + printf("\n"); + } + +#if 1 + for(i=0; icovariance[FFMIN(k,j) + FFMAX(k,j)*LEN] * eigenvector[i + k*LEN]; + } + v[j] /= eigenvalue[i]; + error += fabs(v[j] - eigenvector[i + j*LEN]); + } + printf("%f ", error); + } + printf("\n"); +#endif + for(i=0; i + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * principal component analysis (PCA) + */ + +#ifndef AVUTIL_PCA_H +#define AVUTIL_PCA_H + +struct PCA *ff_pca_init(int n); +void ff_pca_free(struct PCA *pca); +void ff_pca_add(struct PCA *pca, double *v); +int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue); + +#endif /* AVUTIL_PCA_H */ diff --git a/lib/ffmpeg/libavutil/pixdesc.c b/lib/ffmpeg/libavutil/pixdesc.c new file mode 100644 index 0000000000..e2bc6491da --- /dev/null +++ b/lib/ffmpeg/libavutil/pixdesc.c @@ -0,0 +1,842 @@ +/* + * pixel format descriptor + * Copyright (c) 2009 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "pixfmt.h" +#include "pixdesc.h" + +#include "intreadwrite.h" + +void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], + const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component) +{ + AVComponentDescriptor comp= desc->comp[c]; + int plane= comp.plane; + int depth= comp.depth_minus1+1; + int mask = (1<flags; + + if (flags & PIX_FMT_BITSTREAM){ + int skip = x*step + comp.offset_plus1-1; + const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3); + int shift = 8 - depth - (skip&7); + + while(w--){ + int val = (*p >> shift) & mask; + if(read_pal_component) + val= data[1][4*val + c]; + shift -= step; + p -= shift>>3; + shift &= 7; + *dst++= val; + } + } else { + const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1; + + while(w--){ + int val; + if(flags & PIX_FMT_BE) val= AV_RB16(p); + else val= AV_RL16(p); + val = (val>>shift) & mask; + if(read_pal_component) + val= data[1][4*val + c]; + p+= step; + *dst++= val; + } + } +} + +void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], + const AVPixFmtDescriptor *desc, int x, int y, int c, int w) +{ + AVComponentDescriptor comp = desc->comp[c]; + int plane = comp.plane; + int depth = comp.depth_minus1+1; + int step = comp.step_minus1+1; + int flags = desc->flags; + + if (flags & PIX_FMT_BITSTREAM) { + int skip = x*step + comp.offset_plus1-1; + uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3); + int shift = 8 - depth - (skip&7); + + while (w--) { + *p |= *src++ << shift; + shift -= step; + p -= shift>>3; + shift &= 7; + } + } else { + int shift = comp.shift; + uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1; + + while (w--) { + if (flags & PIX_FMT_BE) { + uint16_t val = AV_RB16(p) | (*src++<log2_chroma_w + pixdesc->log2_chroma_h; + + for (c = 0; c < pixdesc->nb_components; c++) { + int s = c==1 || c==2 ? 0 : log2_pixels; + bits += (pixdesc->comp[c].depth_minus1+1) << s; + } + + return bits >> log2_pixels; +} diff --git a/lib/ffmpeg/libavutil/pixdesc.h b/lib/ffmpeg/libavutil/pixdesc.h new file mode 100644 index 0000000000..8d131beb3a --- /dev/null +++ b/lib/ffmpeg/libavutil/pixdesc.h @@ -0,0 +1,154 @@ +/* + * pixel format descriptor + * Copyright (c) 2009 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_PIXDESC_H +#define AVUTIL_PIXDESC_H + +#include + +typedef struct AVComponentDescriptor{ + uint16_t plane :2; ///< which of the 4 planes contains the component + + /** + * Number of elements between 2 horizontally consecutive pixels minus 1. + * Elements are bits for bitstream formats, bytes otherwise. + */ + uint16_t step_minus1 :3; + + /** + * Number of elements before the component of the first pixel plus 1. + * Elements are bits for bitstream formats, bytes otherwise. + */ + uint16_t offset_plus1 :3; + uint16_t shift :3; ///< number of least significant bits that must be shifted away to get the value + uint16_t depth_minus1 :4; ///< number of bits in the component minus 1 +}AVComponentDescriptor; + +/** + * Descriptor that unambiguously describes how the bits of a pixel are + * stored in the up to 4 data planes of an image. It also stores the + * subsampling factors and number of components. + * + * @note This is separate of the colorspace (RGB, YCbCr, YPbPr, JPEG-style YUV + * and all the YUV variants) AVPixFmtDescriptor just stores how values + * are stored not what these values represent. + */ +typedef struct AVPixFmtDescriptor{ + const char *name; + uint8_t nb_components; ///< The number of components each pixel has, (1-4) + + /** + * Amount to shift the luma width right to find the chroma width. + * For YV12 this is 1 for example. + * chroma_width = -((-luma_width) >> log2_chroma_w) + * The note above is needed to ensure rounding up. + * This value only refers to the chroma components. + */ + uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w) + + /** + * Amount to shift the luma height right to find the chroma height. + * For YV12 this is 1 for example. + * chroma_height= -((-luma_height) >> log2_chroma_h) + * The note above is needed to ensure rounding up. + * This value only refers to the chroma components. + */ + uint8_t log2_chroma_h; + uint8_t flags; + + /** + * Parameters that describe how pixels are packed. If the format + * has chroma components, they must be stored in comp[1] and + * comp[2]. + */ + AVComponentDescriptor comp[4]; +}AVPixFmtDescriptor; + +#define PIX_FMT_BE 1 ///< Pixel format is big-endian. +#define PIX_FMT_PAL 2 ///< Pixel format has a palette in data[1], values are indexes in this palette. +#define PIX_FMT_BITSTREAM 4 ///< All values of a component are bit-wise packed end to end. +#define PIX_FMT_HWACCEL 8 ///< Pixel format is an HW accelerated format. + +/** + * The array of all the pixel format descriptors. + */ +extern const AVPixFmtDescriptor av_pix_fmt_descriptors[]; + +/** + * Read a line from an image, and write the values of the + * pixel format component c to dst. + * + * @param data the array containing the pointers to the planes of the image + * @param linesize the array containing the linesizes of the image + * @param desc the pixel format descriptor for the image + * @param x the horizontal coordinate of the first pixel to read + * @param y the vertical coordinate of the first pixel to read + * @param w the width of the line to read, that is the number of + * values to write to dst + * @param read_pal_component if not zero and the format is a paletted + * format writes the values corresponding to the palette + * component c in data[1] to dst, rather than the palette indexes in + * data[0]. The behavior is undefined if the format is not paletted. + */ +void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], + const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component); + +/** + * Write the values from src to the pixel format component c of an + * image line. + * + * @param src array containing the values to write + * @param data the array containing the pointers to the planes of the + * image to write into. It is supposed to be zeroed. + * @param linesize the array containing the linesizes of the image + * @param desc the pixel format descriptor for the image + * @param x the horizontal coordinate of the first pixel to write + * @param y the vertical coordinate of the first pixel to write + * @param w the width of the line to write, that is the number of + * values to write to the image line + */ +void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], + const AVPixFmtDescriptor *desc, int x, int y, int c, int w); + +/** + * Return the pixel format corresponding to name. + * + * If there is no pixel format with name name, then looks for a + * pixel format with the name corresponding to the native endian + * format of name. + * For example in a little-endian system, first looks for "gray16", + * then for "gray16le". + * + * Finally if no pixel format has been found, returns PIX_FMT_NONE. + */ +enum PixelFormat av_get_pix_fmt(const char *name); + +/** + * Return the number of bits per pixel used by the pixel format + * described by pixdesc. + * + * The returned number of bits refers to the number of bits actually + * used for storing the pixel information, that is padding bits are + * not counted. + */ +int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc); + +#endif /* AVUTIL_PIXDESC_H */ diff --git a/lib/ffmpeg/libavutil/pixfmt.h b/lib/ffmpeg/libavutil/pixfmt.h new file mode 100644 index 0000000000..8ec91c816f --- /dev/null +++ b/lib/ffmpeg/libavutil/pixfmt.h @@ -0,0 +1,163 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_PIXFMT_H +#define AVUTIL_PIXFMT_H + +/** + * @file + * pixel format definitions + * + * @warning This file has to be considered an internal but installed + * header, so it should not be directly included in your projects. + */ + +#include "libavutil/avconfig.h" + +/** + * Pixel format. Notes: + * + * PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA + * color is put together as: + * (A << 24) | (R << 16) | (G << 8) | B + * This is stored as BGRA on little-endian CPU architectures and ARGB on + * big-endian CPUs. + * + * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized + * image data is stored in AVFrame.data[0]. The palette is transported in + * AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is + * formatted the same as in PIX_FMT_RGB32 described above (i.e., it is + * also endian-specific). Note also that the individual RGB palette + * components stored in AVFrame.data[1] should be in the range 0..255. + * This is important as many custom PAL8 video codecs that were designed + * to run on the IBM VGA graphics adapter use 6-bit palette components. + * + * For all the 8bit per pixel formats, an RGB32 palette is in data[1] like + * for pal8. This palette is filled in automatically by the function + * allocating the picture. + * + * Note, make sure that all newly added big endian formats have pix_fmt&1==1 + * and that all newly added little endian formats have pix_fmt&1==0 + * this allows simpler detection of big vs little endian. + */ +enum PixelFormat { + PIX_FMT_NONE= -1, + PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples) + PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr + PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB... + PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR... + PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples) + PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples) + PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples) + PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) + PIX_FMT_GRAY8, ///< Y , 8bpp + PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb + PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb + PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette + PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range + PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range + PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range + PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing + PIX_FMT_XVMC_MPEG2_IDCT, + PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1 + PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3 + PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb) + PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits + PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb) + PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb) + PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits + PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb) + PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V) + PIX_FMT_NV21, ///< as above, but U and V bytes are swapped + + PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB... + PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA... + PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR... + PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA... + + PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian + PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian + PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples) + PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range + PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples) + PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian + PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian + + PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian + PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian + PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0 + PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 + + PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian + PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian + PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1 + PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1 + + PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers + PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers + PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + + PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian + PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian + PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian + PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian + PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian + PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian + PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers + PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer + + PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0 + PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0 + PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1 + PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1 + PIX_FMT_Y400A, ///< 8bit gray, 8bit alpha + PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions +}; + +#if AV_HAVE_BIGENDIAN +# define PIX_FMT_NE(be, le) PIX_FMT_##be +#else +# define PIX_FMT_NE(be, le) PIX_FMT_##le +#endif + +#define PIX_FMT_RGB32 PIX_FMT_NE(ARGB, BGRA) +#define PIX_FMT_RGB32_1 PIX_FMT_NE(RGBA, ABGR) +#define PIX_FMT_BGR32 PIX_FMT_NE(ABGR, RGBA) +#define PIX_FMT_BGR32_1 PIX_FMT_NE(BGRA, ARGB) + +#define PIX_FMT_GRAY16 PIX_FMT_NE(GRAY16BE, GRAY16LE) +#define PIX_FMT_RGB48 PIX_FMT_NE(RGB48BE, RGB48LE) +#define PIX_FMT_RGB565 PIX_FMT_NE(RGB565BE, RGB565LE) +#define PIX_FMT_RGB555 PIX_FMT_NE(RGB555BE, RGB555LE) +#define PIX_FMT_RGB444 PIX_FMT_NE(RGB444BE, RGB444LE) +#define PIX_FMT_BGR565 PIX_FMT_NE(BGR565BE, BGR565LE) +#define PIX_FMT_BGR555 PIX_FMT_NE(BGR555BE, BGR555LE) +#define PIX_FMT_BGR444 PIX_FMT_NE(BGR444BE, BGR444LE) + +#define PIX_FMT_YUV420P16 PIX_FMT_NE(YUV420P16BE, YUV420P16LE) +#define PIX_FMT_YUV422P16 PIX_FMT_NE(YUV422P16BE, YUV422P16LE) +#define PIX_FMT_YUV444P16 PIX_FMT_NE(YUV444P16BE, YUV444P16LE) + +#endif /* AVUTIL_PIXFMT_H */ diff --git a/lib/ffmpeg/libavutil/ppc/intreadwrite.h b/lib/ffmpeg/libavutil/ppc/intreadwrite.h new file mode 100644 index 0000000000..3667703cf0 --- /dev/null +++ b/lib/ffmpeg/libavutil/ppc/intreadwrite.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2008 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_PPC_INTREADWRITE_H +#define AVUTIL_PPC_INTREADWRITE_H + +#include +#include "config.h" + +#if HAVE_XFORM_ASM + +#define AV_RL16 AV_RL16 +static av_always_inline uint16_t AV_RL16(const void *p) +{ + uint16_t v; + __asm__ ("lhbrx %0, %y1" : "=r"(v) : "Z"(*(const uint16_t*)p)); + return v; +} + +#define AV_WL16 AV_WL16 +static av_always_inline void AV_WL16(void *p, uint16_t v) +{ + __asm__ ("sthbrx %1, %y0" : "=Z"(*(uint16_t*)p) : "r"(v)); +} + +#define AV_RL32 AV_RL32 +static av_always_inline uint32_t AV_RL32(const void *p) +{ + uint32_t v; + __asm__ ("lwbrx %0, %y1" : "=r"(v) : "Z"(*(const uint32_t*)p)); + return v; +} + +#define AV_WL32 AV_WL32 +static av_always_inline void AV_WL32(void *p, uint32_t v) +{ + __asm__ ("stwbrx %1, %y0" : "=Z"(*(uint32_t*)p) : "r"(v)); +} + +#if HAVE_LDBRX + +#define AV_RL64 AV_RL64 +static av_always_inline uint64_t AV_RL64(const void *p) +{ + uint64_t v; + __asm__ ("ldbrx %0, %y1" : "=r"(v) : "Z"(*(const uint64_t*)p)); + return v; +} + +#define AV_WL64 AV_WL64 +static av_always_inline void AV_WL64(void *p, uint64_t v) +{ + __asm__ ("stdbrx %1, %y0" : "=Z"(*(uint64_t*)p) : "r"(v)); +} + +#else + +#define AV_RL64 AV_RL64 +static av_always_inline uint64_t AV_RL64(const void *p) +{ + union { uint64_t v; uint32_t hl[2]; } v; + __asm__ ("lwbrx %0, %y2 \n\t" + "lwbrx %1, %y3 \n\t" + : "=&r"(v.hl[1]), "=r"(v.hl[0]) + : "Z"(*(const uint32_t*)p), "Z"(*((const uint32_t*)p+1))); + return v.v; +} + +#define AV_WL64 AV_WL64 +static av_always_inline void AV_WL64(void *p, uint64_t v) +{ + union { uint64_t v; uint32_t hl[2]; } vv = { v }; + __asm__ ("stwbrx %2, %y0 \n\t" + "stwbrx %3, %y1 \n\t" + : "=Z"(*(uint32_t*)p), "=Z"(*((uint32_t*)p+1)) + : "r"(vv.hl[1]), "r"(vv.hl[0])); +} + +#endif /* HAVE_LDBRX */ + +#endif /* HAVE_XFORM_ASM */ + +/* + * GCC fails miserably on the packed struct version which is used by + * default, so we override it here. + */ + +#define AV_RB64(p) (*(const uint64_t *)(p)) +#define AV_WB64(p, v) (*(uint64_t *)(p) = (v)) + +#endif /* AVUTIL_PPC_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/ppc/timer.h b/lib/ffmpeg/libavutil/ppc/timer.h new file mode 100644 index 0000000000..155fc01507 --- /dev/null +++ b/lib/ffmpeg/libavutil/ppc/timer.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2005 Luca Barbato + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_PPC_TIMER_H +#define AVUTIL_PPC_TIMER_H + +#include + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + uint32_t tbu, tbl, temp; + + /* from section 2.2.1 of the 32-bit PowerPC PEM */ + __asm__ volatile( + "1:\n" + "mftbu %2\n" + "mftb %0\n" + "mftbu %1\n" + "cmpw %2,%1\n" + "bne 1b\n" + : "=r"(tbl), "=r"(tbu), "=r"(temp) + : + : "cc"); + + return (((uint64_t)tbu)<<32) | (uint64_t)tbl; +} + +#endif /* AVUTIL_PPC_TIMER_H */ diff --git a/lib/ffmpeg/libavutil/random_seed.c b/lib/ffmpeg/libavutil/random_seed.c new file mode 100644 index 0000000000..db1ba39cf2 --- /dev/null +++ b/lib/ffmpeg/libavutil/random_seed.c @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2009 Baptiste Coudurier + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "timer.h" +#include "time.h" +#include "random_seed.h" +#include "avutil.h" + +static int read_random(uint32_t *dst, const char *file) +{ + int fd = open(file, O_RDONLY); + int err = -1; + + if (fd == -1) + return -1; + err = read(fd, dst, sizeof(*dst)); + close(fd); + + return err; +} + +static uint32_t get_generic_seed(void) +{ + clock_t last_t=0; + int bits=0; + uint64_t random=0; + unsigned i; + float s=0.000000000001; + + for(i=0;bits<64;i++){ + clock_t t= clock(); + if(last_t && fabs(t-last_t)>s || t==(clock_t)-1){ + if(i<10000 && s<(1<<24)){ + s+=s; + i=t=0; + }else{ + random= 2*random + (i&1); + bits++; + } + } + last_t= t; + } +#ifdef AV_READ_TIME + random ^= AV_READ_TIME(); +#else + random ^= clock(); +#endif + + random += random>>32; + + return random; +} + +uint32_t av_get_random_seed(void) +{ + uint32_t seed; + + if (read_random(&seed, "/dev/urandom") == sizeof(seed)) + return seed; + if (read_random(&seed, "/dev/random") == sizeof(seed)) + return seed; + return get_generic_seed(); +} + +#if LIBAVUTIL_VERSION_MAJOR < 51 +attribute_deprecated uint32_t ff_random_get_seed(void); +uint32_t ff_random_get_seed(void) +{ + return av_get_random_seed(); +} +#endif diff --git a/lib/ffmpeg/libavutil/random_seed.h b/lib/ffmpeg/libavutil/random_seed.h new file mode 100644 index 0000000000..7f75063233 --- /dev/null +++ b/lib/ffmpeg/libavutil/random_seed.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2009 Baptiste Coudurier + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_RANDOM_SEED_H +#define AVUTIL_RANDOM_SEED_H + +#include + +/** + * Get a seed to use in conjunction with random functions. + */ +uint32_t av_get_random_seed(void); + +#endif /* AVUTIL_RANDOM_SEED_H */ diff --git a/lib/ffmpeg/libavutil/rational.c b/lib/ffmpeg/libavutil/rational.c new file mode 100644 index 0000000000..3e8b885d49 --- /dev/null +++ b/lib/ffmpeg/libavutil/rational.c @@ -0,0 +1,131 @@ +/* + * rational numbers + * Copyright (c) 2003 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * rational numbers + * @author Michael Niedermayer + */ + +#include +//#include +#include + +#include "common.h" +#include "mathematics.h" +#include "rational.h" + +int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max){ + AVRational a0={0,1}, a1={1,0}; + int sign= (num<0) ^ (den<0); + int64_t gcd= av_gcd(FFABS(num), FFABS(den)); + + if(gcd){ + num = FFABS(num)/gcd; + den = FFABS(den)/gcd; + } + if(num<=max && den<=max){ + a1= (AVRational){num, den}; + den=0; + } + + while(den){ + uint64_t x = num / den; + int64_t next_den= num - den*x; + int64_t a2n= x*a1.num + a0.num; + int64_t a2d= x*a1.den + a0.den; + + if(a2n > max || a2d > max){ + if(a1.num) x= (max - a0.num) / a1.num; + if(a1.den) x= FFMIN(x, (max - a0.den) / a1.den); + + if (den*(2*x*a1.den + a0.den) > num*a1.den) + a1 = (AVRational){x*a1.num + a0.num, x*a1.den + a0.den}; + break; + } + + a0= a1; + a1= (AVRational){a2n, a2d}; + num= den; + den= next_den; + } + assert(av_gcd(a1.num, a1.den) <= 1U); + + *dst_num = sign ? -a1.num : a1.num; + *dst_den = a1.den; + + return den==0; +} + +AVRational av_mul_q(AVRational b, AVRational c){ + av_reduce(&b.num, &b.den, b.num * (int64_t)c.num, b.den * (int64_t)c.den, INT_MAX); + return b; +} + +AVRational av_div_q(AVRational b, AVRational c){ + return av_mul_q(b, (AVRational){c.den, c.num}); +} + +AVRational av_add_q(AVRational b, AVRational c){ + av_reduce(&b.num, &b.den, b.num * (int64_t)c.den + c.num * (int64_t)b.den, b.den * (int64_t)c.den, INT_MAX); + return b; +} + +AVRational av_sub_q(AVRational b, AVRational c){ + return av_add_q(b, (AVRational){-c.num, c.den}); +} + +AVRational av_d2q(double d, int max){ + AVRational a; +#define LOG2 0.69314718055994530941723212145817656807550013436025 + int exponent= FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0); + int64_t den= 1LL << (61 - exponent); + if (isnan(d)) + return (AVRational){0,0}; + av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max); + + return a; +} + +int av_nearer_q(AVRational q, AVRational q1, AVRational q2) +{ + /* n/d is q, a/b is the median between q1 and q2 */ + int64_t a = q1.num * (int64_t)q2.den + q2.num * (int64_t)q1.den; + int64_t b = 2 * (int64_t)q1.den * q2.den; + + /* rnd_up(a*d/b) > n => a*d/b > n */ + int64_t x_up = av_rescale_rnd(a, q.den, b, AV_ROUND_UP); + + /* rnd_down(a*d/b) < n => a*d/b < n */ + int64_t x_down = av_rescale_rnd(a, q.den, b, AV_ROUND_DOWN); + + return ((x_up > q.num) - (x_down < q.num)) * av_cmp_q(q2, q1); +} + +int av_find_nearest_q_idx(AVRational q, const AVRational* q_list) +{ + int i, nearest_q_idx = 0; + for(i=0; q_list[i].den; i++) + if (av_nearer_q(q, q_list[i], q_list[nearest_q_idx]) > 0) + nearest_q_idx = i; + + return nearest_q_idx; +} diff --git a/lib/ffmpeg/libavutil/rational.h b/lib/ffmpeg/libavutil/rational.h new file mode 100644 index 0000000000..2dd0c2c594 --- /dev/null +++ b/lib/ffmpeg/libavutil/rational.h @@ -0,0 +1,129 @@ +/* + * rational numbers + * Copyright (c) 2003 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * rational numbers + * @author Michael Niedermayer + */ + +#ifndef AVUTIL_RATIONAL_H +#define AVUTIL_RATIONAL_H + +#include +#include "attributes.h" + +/** + * rational number numerator/denominator + */ +typedef struct AVRational{ + int num; ///< numerator + int den; ///< denominator +} AVRational; + +/** + * Compare two rationals. + * @param a first rational + * @param b second rational + * @return 0 if a==b, 1 if a>b and -1 if a>63)|1; + else return 0; +} + +/** + * Convert rational to double. + * @param a rational to convert + * @return (double) a + */ +static inline double av_q2d(AVRational a){ + return a.num / (double) a.den; +} + +/** + * Reduce a fraction. + * This is useful for framerate calculations. + * @param dst_num destination numerator + * @param dst_den destination denominator + * @param num source numerator + * @param den source denominator + * @param max the maximum allowed for dst_num & dst_den + * @return 1 if exact, 0 otherwise + */ +int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max); + +/** + * Multiply two rationals. + * @param b first rational + * @param c second rational + * @return b*c + */ +AVRational av_mul_q(AVRational b, AVRational c) av_const; + +/** + * Divide one rational by another. + * @param b first rational + * @param c second rational + * @return b/c + */ +AVRational av_div_q(AVRational b, AVRational c) av_const; + +/** + * Add two rationals. + * @param b first rational + * @param c second rational + * @return b+c + */ +AVRational av_add_q(AVRational b, AVRational c) av_const; + +/** + * Subtract one rational from another. + * @param b first rational + * @param c second rational + * @return b-c + */ +AVRational av_sub_q(AVRational b, AVRational c) av_const; + +/** + * Convert a double precision floating point number to a rational. + * @param d double to convert + * @param max the maximum allowed numerator and denominator + * @return (AVRational) d + */ +AVRational av_d2q(double d, int max) av_const; + +/** + * @return 1 if q1 is nearer to q than q2, -1 if q2 is nearer + * than q1, 0 if they have the same distance. + */ +int av_nearer_q(AVRational q, AVRational q1, AVRational q2); + +/** + * Find the nearest value in q_list to q. + * @param q_list an array of rationals terminated by {0, 0} + * @return the index of the nearest value found in the array + */ +int av_find_nearest_q_idx(AVRational q, const AVRational* q_list); + +#endif /* AVUTIL_RATIONAL_H */ diff --git a/lib/ffmpeg/libavutil/rc4.c b/lib/ffmpeg/libavutil/rc4.c new file mode 100644 index 0000000000..4e52ba5ac1 --- /dev/null +++ b/lib/ffmpeg/libavutil/rc4.c @@ -0,0 +1,61 @@ +/* + * RC4 encryption/decryption/pseudo-random number generator + * Copyright (c) 2007 Reimar Doeffinger + * + * loosely based on LibTomCrypt by Tom St Denis + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "avutil.h" +#include "common.h" +#include "rc4.h" + +typedef struct AVRC4 AVRC4; + +int av_rc4_init(AVRC4 *r, const uint8_t *key, int key_bits, int decrypt) { + int i, j; + uint8_t y; + uint8_t *state = r->state; + int keylen = key_bits >> 3; + if (key_bits & 7) + return -1; + for (i = 0; i < 256; i++) + state[i] = i; + y = 0; + // j is i % keylen + for (j = 0, i = 0; i < 256; i++, j++) { + if (j == keylen) j = 0; + y += state[i] + key[j]; + FFSWAP(uint8_t, state[i], state[y]); + } + r->x = 1; + r->y = state[1]; + return 0; +} + +void av_rc4_crypt(AVRC4 *r, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) { + uint8_t x = r->x, y = r->y; + uint8_t *state = r->state; + while (count-- > 0) { + uint8_t sum = state[x] + state[y]; + FFSWAP(uint8_t, state[x], state[y]); + *dst++ = src ? *src++ ^ state[sum] : state[sum]; + x++; + y += state[x]; + } + r->x = x; r->y = y; +} diff --git a/lib/ffmpeg/libavutil/rc4.h b/lib/ffmpeg/libavutil/rc4.h new file mode 100644 index 0000000000..07223a5c9e --- /dev/null +++ b/lib/ffmpeg/libavutil/rc4.h @@ -0,0 +1,50 @@ +/* + * RC4 encryption/decryption/pseudo-random number generator + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_RC4_H +#define AVUTIL_RC4_H + +#include + +struct AVRC4 { + uint8_t state[256]; + int x, y; +}; + +/** + * \brief Initializes an AVRC4 context. + * + * \param key_bits must be a multiple of 8 + * \param decrypt 0 for encryption, 1 for decryption, currently has no effect + */ +int av_rc4_init(struct AVRC4 *d, const uint8_t *key, int key_bits, int decrypt); + +/** + * \brief Encrypts / decrypts using the RC4 algorithm. + * + * \param count number of bytes + * \param dst destination array, can be equal to src + * \param src source array, can be equal to dst, may be NULL + * \param iv not (yet) used for RC4, should be NULL + * \param decrypt 0 for encryption, 1 for decryption, not (yet) used + */ +void av_rc4_crypt(struct AVRC4 *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt); + +#endif /* AVUTIL_RC4_H */ diff --git a/lib/ffmpeg/libavutil/sh4/bswap.h b/lib/ffmpeg/libavutil/sh4/bswap.h new file mode 100644 index 0000000000..48dd27f806 --- /dev/null +++ b/lib/ffmpeg/libavutil/sh4/bswap.h @@ -0,0 +1,48 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * byte swapping routines + */ + +#ifndef AVUTIL_SH4_BSWAP_H +#define AVUTIL_SH4_BSWAP_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#define av_bswap16 av_bswap16 +static av_always_inline av_const uint16_t av_bswap16(uint16_t x) +{ + __asm__("swap.b %0,%0" : "+r"(x)); + return x; +} + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ + __asm__("swap.b %0,%0\n" + "swap.w %0,%0\n" + "swap.b %0,%0\n" + : "+r"(x)); + return x; +} + +#endif /* AVUTIL_SH4_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/sha.c b/lib/ffmpeg/libavutil/sha.c new file mode 100644 index 0000000000..2657f7eb90 --- /dev/null +++ b/lib/ffmpeg/libavutil/sha.c @@ -0,0 +1,401 @@ +/* + * Copyright (C) 2007 Michael Niedermayer + * Copyright (C) 2009 Konstantin Shishkov + * based on public domain SHA-1 code by Steve Reid + * and on BSD-licensed SHA-2 code by Aaron D. Gifford + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include "avutil.h" +#include "bswap.h" +#include "sha.h" +#include "sha1.h" +#include "intreadwrite.h" + +/** hash context */ +typedef struct AVSHA { + uint8_t digest_len; ///< digest length in 32-bit words + uint64_t count; ///< number of bytes in buffer + uint8_t buffer[64]; ///< 512-bit buffer of input values used in hash updating + uint32_t state[8]; ///< current hash value + /** function used to update hash for 512-bit input block */ + void (*transform)(uint32_t *state, const uint8_t buffer[64]); +} AVSHA; + +const int av_sha_size = sizeof(AVSHA); + +#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) + +/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ +#define blk0(i) (block[i] = av_be2ne32(((const uint32_t*)buffer)[i])) +#define blk(i) (block[i] = rol(block[i-3] ^ block[i-8] ^ block[i-14] ^ block[i-16], 1)) + +#define R0(v,w,x,y,z,i) z += ((w&(x^y))^y) + blk0(i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); +#define R1(v,w,x,y,z,i) z += ((w&(x^y))^y) + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30); +#define R2(v,w,x,y,z,i) z += ( w^x ^y) + blk (i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30); +#define R3(v,w,x,y,z,i) z += (((w|x)&y)|(w&x)) + blk (i) + 0x8F1BBCDC + rol(v, 5); w = rol(w, 30); +#define R4(v,w,x,y,z,i) z += ( w^x ^y) + blk (i) + 0xCA62C1D6 + rol(v, 5); w = rol(w, 30); + +/* Hash a single 512-bit block. This is the core of the algorithm. */ + +static void sha1_transform(uint32_t state[5], const uint8_t buffer[64]) +{ + uint32_t block[80]; + unsigned int i, a, b, c, d, e; + + a = state[0]; + b = state[1]; + c = state[2]; + d = state[3]; + e = state[4]; +#if CONFIG_SMALL + for (i = 0; i < 80; i++) { + int t; + if (i < 16) + t = av_be2ne32(((uint32_t*)buffer)[i]); + else + t = rol(block[i-3] ^ block[i-8] ^ block[i-14] ^ block[i-16], 1); + block[i] = t; + t += e + rol(a, 5); + if (i < 40) { + if (i < 20) + t += ((b&(c^d))^d) + 0x5A827999; + else + t += ( b^c ^d) + 0x6ED9EBA1; + } else { + if (i < 60) + t += (((b|c)&d)|(b&c)) + 0x8F1BBCDC; + else + t += ( b^c ^d) + 0xCA62C1D6; + } + e = d; + d = c; + c = rol(b, 30); + b = a; + a = t; + } +#else + for (i = 0; i < 15; i += 5) { + R0(a, b, c, d, e, 0 + i); + R0(e, a, b, c, d, 1 + i); + R0(d, e, a, b, c, 2 + i); + R0(c, d, e, a, b, 3 + i); + R0(b, c, d, e, a, 4 + i); + } + R0(a, b, c, d, e, 15); + R1(e, a, b, c, d, 16); + R1(d, e, a, b, c, 17); + R1(c, d, e, a, b, 18); + R1(b, c, d, e, a, 19); + for (i = 20; i < 40; i += 5) { + R2(a, b, c, d, e, 0 + i); + R2(e, a, b, c, d, 1 + i); + R2(d, e, a, b, c, 2 + i); + R2(c, d, e, a, b, 3 + i); + R2(b, c, d, e, a, 4 + i); + } + for (; i < 60; i += 5) { + R3(a, b, c, d, e, 0 + i); + R3(e, a, b, c, d, 1 + i); + R3(d, e, a, b, c, 2 + i); + R3(c, d, e, a, b, 3 + i); + R3(b, c, d, e, a, 4 + i); + } + for (; i < 80; i += 5) { + R4(a, b, c, d, e, 0 + i); + R4(e, a, b, c, d, 1 + i); + R4(d, e, a, b, c, 2 + i); + R4(c, d, e, a, b, 3 + i); + R4(b, c, d, e, a, 4 + i); + } +#endif + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; +} + +static const uint32_t K256[64] = { + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + + +#define Ch(x,y,z) (((x) & ((y) ^ (z))) ^ (z)) +#define Maj(x,y,z) ((((x) | (y)) & (z)) | ((x) & (y))) + +#define Sigma0_256(x) (rol((x), 30) ^ rol((x), 19) ^ rol((x), 10)) +#define Sigma1_256(x) (rol((x), 26) ^ rol((x), 21) ^ rol((x), 7)) +#define sigma0_256(x) (rol((x), 25) ^ rol((x), 14) ^ ((x) >> 3)) +#define sigma1_256(x) (rol((x), 15) ^ rol((x), 13) ^ ((x) >> 10)) + +#undef blk +#define blk(i) (block[i] = block[i - 16] + sigma0_256(block[i - 15]) + \ + sigma1_256(block[i - 2]) + block[i - 7]) + +#define ROUND256(a,b,c,d,e,f,g,h) \ + T1 += (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[i]; \ + (d) += T1; \ + (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \ + i++ + +#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \ + T1 = blk0(i); \ + ROUND256(a,b,c,d,e,f,g,h) + +#define ROUND256_16_TO_63(a,b,c,d,e,f,g,h) \ + T1 = blk(i); \ + ROUND256(a,b,c,d,e,f,g,h) + +static void sha256_transform(uint32_t *state, const uint8_t buffer[64]) +{ + unsigned int i, a, b, c, d, e, f, g, h; + uint32_t block[64]; + uint32_t T1, av_unused(T2); + + a = state[0]; + b = state[1]; + c = state[2]; + d = state[3]; + e = state[4]; + f = state[5]; + g = state[6]; + h = state[7]; +#if CONFIG_SMALL + for (i = 0; i < 64; i++) { + if (i < 16) + T1 = blk0(i); + else + T1 = blk(i); + T1 += h + Sigma1_256(e) + Ch(e, f, g) + K256[i]; + T2 = Sigma0_256(a) + Maj(a, b, c); + h = g; + g = f; + f = e; + e = d + T1; + d = c; + c = b; + b = a; + a = T1 + T2; + } +#else + for (i = 0; i < 16;) { + ROUND256_0_TO_15(a, b, c, d, e, f, g, h); + ROUND256_0_TO_15(h, a, b, c, d, e, f, g); + ROUND256_0_TO_15(g, h, a, b, c, d, e, f); + ROUND256_0_TO_15(f, g, h, a, b, c, d, e); + ROUND256_0_TO_15(e, f, g, h, a, b, c, d); + ROUND256_0_TO_15(d, e, f, g, h, a, b, c); + ROUND256_0_TO_15(c, d, e, f, g, h, a, b); + ROUND256_0_TO_15(b, c, d, e, f, g, h, a); + } + + for (; i < 64;) { + ROUND256_16_TO_63(a, b, c, d, e, f, g, h); + ROUND256_16_TO_63(h, a, b, c, d, e, f, g); + ROUND256_16_TO_63(g, h, a, b, c, d, e, f); + ROUND256_16_TO_63(f, g, h, a, b, c, d, e); + ROUND256_16_TO_63(e, f, g, h, a, b, c, d); + ROUND256_16_TO_63(d, e, f, g, h, a, b, c); + ROUND256_16_TO_63(c, d, e, f, g, h, a, b); + ROUND256_16_TO_63(b, c, d, e, f, g, h, a); + } +#endif + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; + state[5] += f; + state[6] += g; + state[7] += h; +} + + +int av_sha_init(AVSHA* ctx, int bits) +{ + ctx->digest_len = bits >> 5; + switch (bits) { + case 160: // SHA-1 + ctx->state[0] = 0x67452301; + ctx->state[1] = 0xEFCDAB89; + ctx->state[2] = 0x98BADCFE; + ctx->state[3] = 0x10325476; + ctx->state[4] = 0xC3D2E1F0; + ctx->transform = sha1_transform; + break; + case 224: // SHA-224 + ctx->state[0] = 0xC1059ED8; + ctx->state[1] = 0x367CD507; + ctx->state[2] = 0x3070DD17; + ctx->state[3] = 0xF70E5939; + ctx->state[4] = 0xFFC00B31; + ctx->state[5] = 0x68581511; + ctx->state[6] = 0x64F98FA7; + ctx->state[7] = 0xBEFA4FA4; + ctx->transform = sha256_transform; + break; + case 256: // SHA-256 + ctx->state[0] = 0x6A09E667; + ctx->state[1] = 0xBB67AE85; + ctx->state[2] = 0x3C6EF372; + ctx->state[3] = 0xA54FF53A; + ctx->state[4] = 0x510E527F; + ctx->state[5] = 0x9B05688C; + ctx->state[6] = 0x1F83D9AB; + ctx->state[7] = 0x5BE0CD19; + ctx->transform = sha256_transform; + break; + default: + return -1; + } + ctx->count = 0; + return 0; +} + +void av_sha_update(AVSHA* ctx, const uint8_t* data, unsigned int len) +{ + unsigned int i, j; + + j = ctx->count & 63; + ctx->count += len; +#if CONFIG_SMALL + for (i = 0; i < len; i++) { + ctx->buffer[j++] = data[i]; + if (64 == j) { + ctx->transform(ctx->state, ctx->buffer); + j = 0; + } + } +#else + if ((j + len) > 63) { + memcpy(&ctx->buffer[j], data, (i = 64 - j)); + ctx->transform(ctx->state, ctx->buffer); + for (; i + 63 < len; i += 64) + ctx->transform(ctx->state, &data[i]); + j = 0; + } else + i = 0; + memcpy(&ctx->buffer[j], &data[i], len - i); +#endif +} + +void av_sha_final(AVSHA* ctx, uint8_t *digest) +{ + int i; + uint64_t finalcount = av_be2ne64(ctx->count << 3); + + av_sha_update(ctx, "\200", 1); + while ((ctx->count & 63) != 56) + av_sha_update(ctx, "", 1); + av_sha_update(ctx, (uint8_t *)&finalcount, 8); /* Should cause a transform() */ + for (i = 0; i < ctx->digest_len; i++) + AV_WB32(digest + i*4, ctx->state[i]); +} + +#if LIBAVUTIL_VERSION_MAJOR < 51 +struct AVSHA1 { + AVSHA sha; +}; + +const int av_sha1_size = sizeof(struct AVSHA1); + +void av_sha1_init(struct AVSHA1* context) +{ + av_sha_init(&context->sha, 160); +} + +void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len) +{ + av_sha_update(&context->sha, data, len); +} + +void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]) +{ + av_sha_final(&context->sha, digest); +} +#endif + +#ifdef TEST +#include +#undef printf + +int main(void) +{ + int i, j, k; + AVSHA ctx; + unsigned char digest[32]; + const int lengths[3] = { 160, 224, 256 }; + + for (j = 0; j < 3; j++) { + printf("Testing SHA-%d\n", lengths[j]); + for (k = 0; k < 3; k++) { + av_sha_init(&ctx, lengths[j]); + if (k == 0) + av_sha_update(&ctx, "abc", 3); + else if (k == 1) + av_sha_update(&ctx, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56); + else + for (i = 0; i < 1000*1000; i++) + av_sha_update(&ctx, "a", 1); + av_sha_final(&ctx, digest); + for (i = 0; i < lengths[j] >> 3; i++) + printf("%02X", digest[i]); + putchar('\n'); + } + switch (j) { + case 0: + //test vectors (from FIPS PUB 180-1) + printf("A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D\n" + "84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1\n" + "34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F\n"); + break; + case 1: + //test vectors (from FIPS PUB 180-2 Appendix A) + printf("23097d22 3405d822 8642a477 bda255b3 2aadbce4 bda0b3f7 e36c9da7\n" + "75388b16 512776cc 5dba5da1 fd890150 b0c6455c b4f58b19 52522525\n" + "20794655 980c91d8 bbb4c1ea 97618a4b f03f4258 1948b2ee 4ee7ad67\n"); + break; + case 2: + //test vectors (from FIPS PUB 180-2) + printf("ba7816bf 8f01cfea 414140de 5dae2223 b00361a3 96177a9c b410ff61 f20015ad\n" + "248d6a61 d20638b8 e5c02693 0c3e6039 a33ce459 64ff2167 f6ecedd4 19db06c1\n" + "cdc76e5c 9914fb92 81a1c7e2 84d73e67 f1809a48 a497200e 046d39cc c7112cd0\n"); + break; + } + } + + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/sha.h b/lib/ffmpeg/libavutil/sha.h new file mode 100644 index 0000000000..543f5a1949 --- /dev/null +++ b/lib/ffmpeg/libavutil/sha.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2007 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_SHA_H +#define AVUTIL_SHA_H + +#include + +extern const int av_sha_size; + +struct AVSHA; + +/** + * Initialize SHA-1 or SHA-2 hashing. + * + * @param context pointer to the function context (of size av_sha_size) + * @param bits number of bits in digest (SHA-1 - 160 bits, SHA-2 224 or 256 bits) + * @return zero if initialization succeeded, -1 otherwise + */ +int av_sha_init(struct AVSHA* context, int bits); + +/** + * Update hash value. + * + * @param context hash function context + * @param data input data to update hash with + * @param len input data length + */ +void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len); + +/** + * Finish hashing and output digest value. + * + * @param context hash function context + * @param digest buffer where output digest value is stored + */ +void av_sha_final(struct AVSHA* context, uint8_t *digest); + +#endif /* AVUTIL_SHA_H */ diff --git a/lib/ffmpeg/libavutil/sha1.h b/lib/ffmpeg/libavutil/sha1.h new file mode 100644 index 0000000000..3ff58043ea --- /dev/null +++ b/lib/ffmpeg/libavutil/sha1.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2007 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_SHA1_H +#define AVUTIL_SHA1_H + +#include + +extern const int av_sha1_size; + +struct AVSHA1; + +/** + * Initialize SHA-1 hashing. + * + * @param context pointer to the function context (of size av_sha_size) + * @deprecated use av_sha_init() instead + */ +void av_sha1_init(struct AVSHA1* context); + +/** + * Update hash value. + * + * @param context hash function context + * @param data input data to update hash with + * @param len input data length + * @deprecated use av_sha_update() instead + */ +void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len); + +/** + * Finish hashing and output digest value. + * + * @param context hash function context + * @param digest buffer where output digest value is stored + * @deprecated use av_sha_final() instead + */ +void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]); + +#endif /* AVUTIL_SHA1_H */ diff --git a/lib/ffmpeg/libavutil/softfloat.c b/lib/ffmpeg/libavutil/softfloat.c new file mode 100644 index 0000000000..efa0420b4f --- /dev/null +++ b/lib/ffmpeg/libavutil/softfloat.c @@ -0,0 +1,72 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "softfloat.h" +#include "common.h" +#include "log.h" + +#undef printf + +int main(void){ + SoftFloat one= av_int2sf(1, 0); + SoftFloat sf1, sf2; + double d1, d2; + int i, j; + av_log_set_level(AV_LOG_DEBUG); + + d1= 1; + for(i= 0; i<10; i++){ + d1= 1/(d1+1); + } + printf("test1 double=%d\n", (int)(d1 * (1<<24))); + + sf1= one; + for(i= 0; i<10; i++){ + sf1= av_div_sf(one, av_normalize_sf(av_add_sf(one, sf1))); + } + printf("test1 sf =%d\n", av_sf2int(sf1, 24)); + + + for(i= 0; i<100; i++){ + START_TIMER + d1= i; + d2= i/100.0; + for(j= 0; j<1000; j++){ + d1= (d1+1)*d2; + } + STOP_TIMER("float add mul") + } + printf("test2 double=%d\n", (int)(d1 * (1<<24))); + + for(i= 0; i<100; i++){ + START_TIMER + sf1= av_int2sf(i, 0); + sf2= av_div_sf(av_int2sf(i, 2), av_int2sf(200, 3)); + for(j= 0; j<1000; j++){ + sf1= av_mul_sf(av_add_sf(sf1, one),sf2); + } + STOP_TIMER("softfloat add mul") + } + printf("test2 sf =%d (%d %d)\n", av_sf2int(sf1, 24), sf1.exp, sf1.mant); + return 0; +} diff --git a/lib/ffmpeg/libavutil/softfloat.h b/lib/ffmpeg/libavutil/softfloat.h new file mode 100644 index 0000000000..97e09ea7e7 --- /dev/null +++ b/lib/ffmpeg/libavutil/softfloat.h @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_SOFTFLOAT_H +#define AVUTIL_SOFTFLOAT_H + +#include +#include "common.h" + +#define MIN_EXP -126 +#define MAX_EXP 126 +#define ONE_BITS 29 + +typedef struct SoftFloat{ + int32_t exp; + int32_t mant; +}SoftFloat; + +static av_const SoftFloat av_normalize_sf(SoftFloat a){ + if(a.mant){ +#if 1 + while((a.mant + 0x20000000U)<0x40000000U){ + a.mant += a.mant; + a.exp -= 1; + } +#else + int s=ONE_BITS + 1 - av_log2(a.mant ^ (a.mant<<1)); + a.exp -= s; + a.mant <<= s; +#endif + if(a.exp < MIN_EXP){ + a.exp = MIN_EXP; + a.mant= 0; + } + }else{ + a.exp= MIN_EXP; + } + return a; +} + +static inline av_const SoftFloat av_normalize1_sf(SoftFloat a){ +#if 1 + if(a.mant + 0x40000000 < 0){ + a.exp++; + a.mant>>=1; + } + return a; +#elif 1 + int t= a.mant + 0x40000000 < 0; + return (SoftFloat){a.exp+t, a.mant>>t}; +#else + int t= (a.mant + 0x40000000U)>>31; + return (SoftFloat){a.exp+t, a.mant>>t}; +#endif +} + +/** + * @return Will not be more denormalized than a+b. So if either input is + * normalized, then the output will not be worse then the other input. + * If both are normalized, then the output will be normalized. + */ +static inline av_const SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){ + a.exp += b.exp; + a.mant = (a.mant * (int64_t)b.mant) >> ONE_BITS; + return av_normalize1_sf(a); +} + +/** + * b has to be normalized and not zero. + * @return Will not be more denormalized than a. + */ +static av_const SoftFloat av_div_sf(SoftFloat a, SoftFloat b){ + a.exp -= b.exp+1; + a.mant = ((int64_t)a.mant<<(ONE_BITS+1)) / b.mant; + return av_normalize1_sf(a); +} + +static inline av_const int av_cmp_sf(SoftFloat a, SoftFloat b){ + int t= a.exp - b.exp; + if(t<0) return (a.mant >> (-t)) - b.mant ; + else return a.mant - (b.mant >> t); +} + +static inline av_const SoftFloat av_add_sf(SoftFloat a, SoftFloat b){ + int t= a.exp - b.exp; + if(t<0) return av_normalize1_sf((SoftFloat){b.exp, b.mant + (a.mant >> (-t))}); + else return av_normalize1_sf((SoftFloat){a.exp, a.mant + (b.mant >> t )}); +} + +static inline av_const SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){ + return av_add_sf(a, (SoftFloat){b.exp, -b.mant}); +} + +//FIXME sqrt, log, exp, pow, sin, cos + +static inline av_const SoftFloat av_int2sf(int v, int frac_bits){ + return av_normalize_sf((SoftFloat){ONE_BITS-frac_bits, v}); +} + +/** + * Rounding is to -inf. + */ +static inline av_const int av_sf2int(SoftFloat v, int frac_bits){ + v.exp += frac_bits - ONE_BITS; + if(v.exp >= 0) return v.mant << v.exp ; + else return v.mant >>(-v.exp); +} + +#endif /* AVUTIL_SOFTFLOAT_H */ diff --git a/lib/ffmpeg/libavutil/timer.h b/lib/ffmpeg/libavutil/timer.h new file mode 100644 index 0000000000..cd8fba8ded --- /dev/null +++ b/lib/ffmpeg/libavutil/timer.h @@ -0,0 +1,71 @@ +/** + * @file + * high precision timer, useful to profile code + * + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_TIMER_H +#define AVUTIL_TIMER_H + +#include +#include +#include "config.h" + +#if ARCH_ARM +# include "arm/timer.h" +#elif ARCH_BFIN +# include "bfin/timer.h" +#elif ARCH_PPC +# include "ppc/timer.h" +#elif ARCH_X86 +# include "x86/timer.h" +#endif + +#if !defined(AV_READ_TIME) && HAVE_GETHRTIME +# define AV_READ_TIME gethrtime +#endif + +#ifdef AV_READ_TIME +#define START_TIMER \ +uint64_t tend;\ +uint64_t tstart= AV_READ_TIME();\ + +#define STOP_TIMER(id) \ +tend= AV_READ_TIME();\ +{\ + static uint64_t tsum=0;\ + static int tcount=0;\ + static int tskip_count=0;\ + if(tcount<2 || tend - tstart < 8*tsum/tcount || tend - tstart < 2000){\ + tsum+= tend - tstart;\ + tcount++;\ + }else\ + tskip_count++;\ + if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\ + av_log(NULL, AV_LOG_ERROR, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n",\ + tsum*10/tcount, id, tcount, tskip_count);\ + }\ +} +#else +#define START_TIMER +#define STOP_TIMER(id) {} +#endif + +#endif /* AVUTIL_TIMER_H */ diff --git a/lib/ffmpeg/libavutil/tomi/intreadwrite.h b/lib/ffmpeg/libavutil/tomi/intreadwrite.h new file mode 100644 index 0000000000..778b804ca1 --- /dev/null +++ b/lib/ffmpeg/libavutil/tomi/intreadwrite.h @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2010 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_TOMI_INTREADWRITE_H +#define AVUTIL_TOMI_INTREADWRITE_H + +#include +#include "config.h" + +#define AV_RB16 AV_RB16 +static av_always_inline uint16_t AV_RB16(const void *p) +{ + uint16_t v; + __asm__ ("loadacc, (%1+) \n\t" + "rol8 \n\t" + "storeacc, %0 \n\t" + "loadacc, (%1+) \n\t" + "add, %0 \n\t" + : "=r"(v), "+a"(p)); + return v; +} + +#define AV_WB16 AV_WB16 +static av_always_inline void AV_WB16(void *p, uint16_t v) +{ + __asm__ volatile ("loadacc, %1 \n\t" + "lsr8 \n\t" + "storeacc, (%0+) \n\t" + "loadacc, %1 \n\t" + "storeacc, (%0+) \n\t" + : "+&a"(p) : "r"(v)); +} + +#define AV_RL16 AV_RL16 +static av_always_inline uint16_t AV_RL16(const void *p) +{ + uint16_t v; + __asm__ ("loadacc, (%1+) \n\t" + "storeacc, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "add, %0 \n\t" + : "=r"(v), "+a"(p)); + return v; +} + +#define AV_WL16 AV_WL16 +static av_always_inline void AV_WL16(void *p, uint16_t v) +{ + __asm__ volatile ("loadacc, %1 \n\t" + "storeacc, (%0+) \n\t" + "lsr8 \n\t" + "storeacc, (%0+) \n\t" + : "+&a"(p) : "r"(v)); +} + +#define AV_RB32 AV_RB32 +static av_always_inline uint32_t AV_RB32(const void *p) +{ + uint32_t v; + __asm__ ("loadacc, (%1+) \n\t" + "rol8 \n\t" + "rol8 \n\t" + "rol8 \n\t" + "storeacc, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "rol8 \n\t" + "add, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "add, %0 \n\t" + "loadacc, (%1+) \n\t" + "add, %0 \n\t" + : "=r"(v), "+a"(p)); + return v; +} + +#define AV_WB32 AV_WB32 +static av_always_inline void AV_WB32(void *p, uint32_t v) +{ + __asm__ volatile ("loadacc, #4 \n\t" + "add, %0 \n\t" + "loadacc, %1 \n\t" + "storeacc, (-%0) \n\t" + "lsr8 \n\t" + "storeacc, (-%0) \n\t" + "lsr8 \n\t" + "storeacc, (-%0) \n\t" + "lsr8 \n\t" + "storeacc, (-%0) \n\t" + : "+&a"(p) : "r"(v)); +} + +#define AV_RL32 AV_RL32 +static av_always_inline uint32_t AV_RL32(const void *p) +{ + uint32_t v; + __asm__ ("loadacc, (%1+) \n\t" + "storeacc, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "add, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "rol8 \n\t" + "add, %0 \n\t" + "loadacc, (%1+) \n\t" + "rol8 \n\t" + "rol8 \n\t" + "rol8 \n\t" + "add, %0 \n\t" + : "=r"(v), "+a"(p)); + return v; +} + +#define AV_WL32 AV_WL32 +static av_always_inline void AV_WL32(void *p, uint32_t v) +{ + __asm__ volatile ("loadacc, %1 \n\t" + "storeacc, (%0+) \n\t" + "lsr8 \n\t" + "storeacc, (%0+) \n\t" + "lsr8 \n\t" + "storeacc, (%0+) \n\t" + "lsr8 \n\t" + "storeacc, (%0+) \n\t" + : "+&a"(p) : "r"(v)); +} + +#endif /* AVUTIL_TOMI_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/tree.c b/lib/ffmpeg/libavutil/tree.c new file mode 100644 index 0000000000..8769c76b0f --- /dev/null +++ b/lib/ffmpeg/libavutil/tree.c @@ -0,0 +1,213 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "log.h" +#include "tree.h" + +typedef struct AVTreeNode{ + struct AVTreeNode *child[2]; + void *elem; + int state; +}AVTreeNode; + +const int av_tree_node_size = sizeof(AVTreeNode); + +void *av_tree_find(const AVTreeNode *t, void *key, int (*cmp)(void *key, const void *b), void *next[2]){ + if(t){ + unsigned int v= cmp(key, t->elem); + if(v){ + if(next) next[v>>31]= t->elem; + return av_tree_find(t->child[(v>>31)^1], key, cmp, next); + }else{ + if(next){ + av_tree_find(t->child[0], key, cmp, next); + av_tree_find(t->child[1], key, cmp, next); + } + return t->elem; + } + } + return NULL; +} + +void *av_tree_insert(AVTreeNode **tp, void *key, int (*cmp)(void *key, const void *b), AVTreeNode **next){ + AVTreeNode *t= *tp; + if(t){ + unsigned int v= cmp(t->elem, key); + void *ret; + if(!v){ + if(*next) + return t->elem; + else if(t->child[0]||t->child[1]){ + int i= !t->child[0]; + void *next_elem[2]; + av_tree_find(t->child[i], key, cmp, next_elem); + key= t->elem= next_elem[i]; + v= -i; + }else{ + *next= t; + *tp=NULL; + return NULL; + } + } + ret= av_tree_insert(&t->child[v>>31], key, cmp, next); + if(!ret){ + int i= (v>>31) ^ !!*next; + AVTreeNode **child= &t->child[i]; + t->state += 2*i - 1; + + if(!(t->state&1)){ + if(t->state){ + /* The following code is equivalent to + if((*child)->state*2 == -t->state) + rotate(child, i^1); + rotate(tp, i); + + with rotate(): + static void rotate(AVTreeNode **tp, int i){ + AVTreeNode *t= *tp; + + *tp= t->child[i]; + t->child[i]= t->child[i]->child[i^1]; + (*tp)->child[i^1]= t; + i= 4*t->state + 2*(*tp)->state + 12; + t ->state= ((0x614586 >> i) & 3)-1; + (*tp)->state= ((*tp)->state>>1) + ((0x400EEA >> i) & 3)-1; + } + but such a rotate function is both bigger and slower + */ + if((*child)->state*2 == -t->state){ + *tp= (*child)->child[i^1]; + (*child)->child[i^1]= (*tp)->child[i]; + (*tp)->child[i]= *child; + *child= (*tp)->child[i^1]; + (*tp)->child[i^1]= t; + + (*tp)->child[0]->state= -((*tp)->state>0); + (*tp)->child[1]->state= (*tp)->state<0 ; + (*tp)->state=0; + }else{ + *tp= *child; + *child= (*child)->child[i^1]; + (*tp)->child[i^1]= t; + if((*tp)->state) t->state = 0; + else t->state>>= 1; + (*tp)->state= -t->state; + } + } + } + if(!(*tp)->state ^ !!*next) + return key; + } + return ret; + }else{ + *tp= *next; *next= NULL; + if(*tp){ + (*tp)->elem= key; + return NULL; + }else + return key; + } +} + +void av_tree_destroy(AVTreeNode *t){ + if(t){ + av_tree_destroy(t->child[0]); + av_tree_destroy(t->child[1]); + av_free(t); + } +} + +void av_tree_enumerate(AVTreeNode *t, void *opaque, int (*cmp)(void *opaque, void *elem), int (*enu)(void *opaque, void *elem)){ + if(t){ + int v= cmp ? cmp(opaque, t->elem) : 0; + if(v>=0) av_tree_enumerate(t->child[0], opaque, cmp, enu); + if(v==0) enu(opaque, t->elem); + if(v<=0) av_tree_enumerate(t->child[1], opaque, cmp, enu); + } +} + +#ifdef TEST + +#include "lfg.h" + +static int check(AVTreeNode *t){ + if(t){ + int left= check(t->child[0]); + int right= check(t->child[1]); + + if(left>999 || right>999) + return 1000; + if(right - left != t->state) + return 1000; + if(t->state>1 || t->state<-1) + return 1000; + return FFMAX(left, right)+1; + } + return 0; +} + +static void print(AVTreeNode *t, int depth){ + int i; + for(i=0; istate, t->elem); + print(t->child[0], depth+1); + print(t->child[1], depth+1); + }else + av_log(NULL, AV_LOG_ERROR, "NULL\n"); +} + +static int cmp(void *a, const void *b){ + return (uint8_t*)a-(const uint8_t*)b; +} + +int main(void){ + int i; + void *k; + AVTreeNode *root= NULL, *node=NULL; + AVLFG prng; + + av_lfg_init(&prng, 1); + + for(i=0; i<10000; i++){ + int j = av_lfg_get(&prng) % 86294; + if(check(root) > 999){ + av_log(NULL, AV_LOG_ERROR, "FATAL error %d\n", i); + print(root, 0); + return -1; + } + av_log(NULL, AV_LOG_ERROR, "inserting %4d\n", j); + if(!node) + node= av_mallocz(av_tree_node_size); + av_tree_insert(&root, (void*)(j+1), cmp, &node); + + j = av_lfg_get(&prng) % 86294; + { + AVTreeNode *node2=NULL; + av_log(NULL, AV_LOG_ERROR, "removing %4d\n", j); + av_tree_insert(&root, (void*)(j+1), cmp, &node2); + k= av_tree_find(root, (void*)(j+1), cmp, NULL); + if(k) + av_log(NULL, AV_LOG_ERROR, "removal failure %d\n", i); + } + } + return 0; +} +#endif diff --git a/lib/ffmpeg/libavutil/tree.h b/lib/ffmpeg/libavutil/tree.h new file mode 100644 index 0000000000..bf09fd0be5 --- /dev/null +++ b/lib/ffmpeg/libavutil/tree.h @@ -0,0 +1,95 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * A tree container. + * Insertion, removal, finding equal, largest which is smaller than and + * smallest which is larger than, all have O(log n) worst case complexity. + * @author Michael Niedermayer + */ + +#ifndef AVUTIL_TREE_H +#define AVUTIL_TREE_H + +struct AVTreeNode; +extern const int av_tree_node_size; + +/** + * Find an element. + * @param root a pointer to the root node of the tree + * @param next If next is not NULL, then next[0] will contain the previous + * element and next[1] the next element. If either does not exist, + * then the corresponding entry in next is unchanged. + * @return An element with cmp(key, elem)==0 or NULL if no such element exists in + * the tree. + */ +void *av_tree_find(const struct AVTreeNode *root, void *key, int (*cmp)(void *key, const void *b), void *next[2]); + +/** + * Insert or remove an element. + * If *next is NULL, then the supplied element will be removed if it exists. + * If *next is not NULL, then the supplied element will be inserted, unless + * it already exists in the tree. + * @param rootp A pointer to a pointer to the root node of the tree; note that + * the root node can change during insertions, this is required + * to keep the tree balanced. + * @param next Used to allocate and free AVTreeNodes. For insertion the user + * must set it to an allocated and zeroed object of at least + * av_tree_node_size bytes size. av_tree_insert() will set it to + * NULL if it has been consumed. + * For deleting elements *next is set to NULL by the user and + * av_tree_node_size() will set it to the AVTreeNode which was + * used for the removed element. + * This allows the use of flat arrays, which have + * lower overhead compared to many malloced elements. + * You might want to define a function like: + * @code + * void *tree_insert(struct AVTreeNode **rootp, void *key, int (*cmp)(void *key, const void *b), AVTreeNode **next){ + * if(!*next) *next= av_mallocz(av_tree_node_size); + * return av_tree_insert(rootp, key, cmp, next); + * } + * void *tree_remove(struct AVTreeNode **rootp, void *key, int (*cmp)(void *key, const void *b, AVTreeNode **next)){ + * if(*next) av_freep(next); + * return av_tree_insert(rootp, key, cmp, next); + * } + * @endcode + * @return If no insertion happened, the found element; if an insertion or + * removal happened, then either key or NULL will be returned. + * Which one it is depends on the tree state and the implementation. You + * should make no assumptions that it's one or the other in the code. + */ +void *av_tree_insert(struct AVTreeNode **rootp, void *key, int (*cmp)(void *key, const void *b), struct AVTreeNode **next); +void av_tree_destroy(struct AVTreeNode *t); + +/** + * Apply enu(opaque, &elem) to all the elements in the tree in a given range. + * + * @param cmp a comparison function that returns < 0 for a element below the + * range, > 0 for a element above the range and == 0 for a + * element inside the range + * + * @note The cmp function should use the same ordering used to construct the + * tree. + */ +void av_tree_enumerate(struct AVTreeNode *t, void *opaque, int (*cmp)(void *opaque, void *elem), int (*enu)(void *opaque, void *elem)); + + +#endif /* AVUTIL_TREE_H */ diff --git a/lib/ffmpeg/libavutil/utils.c b/lib/ffmpeg/libavutil/utils.c new file mode 100644 index 0000000000..8a1d32e167 --- /dev/null +++ b/lib/ffmpeg/libavutil/utils.c @@ -0,0 +1,41 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "avutil.h" + +/** + * @file + * various utility functions + */ + +unsigned avutil_version(void) +{ + return LIBAVUTIL_VERSION_INT; +} + +const char *avutil_configuration(void) +{ + return FFMPEG_CONFIGURATION; +} + +const char *avutil_license(void) +{ +#define LICENSE_PREFIX "libavutil license: " + return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; +} diff --git a/lib/ffmpeg/libavutil/x86/bswap.h b/lib/ffmpeg/libavutil/x86/bswap.h new file mode 100644 index 0000000000..b6ceb76d32 --- /dev/null +++ b/lib/ffmpeg/libavutil/x86/bswap.h @@ -0,0 +1,61 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * byte swapping routines + */ + +#ifndef AVUTIL_X86_BSWAP_H +#define AVUTIL_X86_BSWAP_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#define av_bswap16 av_bswap16 +static av_always_inline av_const uint16_t av_bswap16(uint16_t x) +{ + __asm__("rorw $8, %0" : "+r"(x)); + return x; +} + +#define av_bswap32 av_bswap32 +static av_always_inline av_const uint32_t av_bswap32(uint32_t x) +{ +#if HAVE_BSWAP + __asm__("bswap %0" : "+r" (x)); +#else + __asm__("rorw $8, %w0 \n\t" + "rorl $16, %0 \n\t" + "rorw $8, %w0" + : "+r"(x)); +#endif + return x; +} + +#if ARCH_X86_64 +#define av_bswap64 av_bswap64 +static inline uint64_t av_const av_bswap64(uint64_t x) +{ + __asm__("bswap %0": "=r" (x) : "0" (x)); + return x; +} +#endif + +#endif /* AVUTIL_X86_BSWAP_H */ diff --git a/lib/ffmpeg/libavutil/x86/intmath.h b/lib/ffmpeg/libavutil/x86/intmath.h new file mode 100644 index 0000000000..f3acddc0e3 --- /dev/null +++ b/lib/ffmpeg/libavutil/x86/intmath.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2010 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_X86_INTMATH_H +#define AVUTIL_X86_INTMATH_H + +#define FASTDIV(a,b) \ + ({\ + int ret, dmy;\ + __asm__ volatile(\ + "mull %3"\ + :"=d"(ret), "=a"(dmy)\ + :"1"(a), "g"(ff_inverse[b])\ + );\ + ret;\ + }) + +#endif /* AVUTIL_X86_INTMATH_H */ diff --git a/lib/ffmpeg/libavutil/x86/intreadwrite.h b/lib/ffmpeg/libavutil/x86/intreadwrite.h new file mode 100644 index 0000000000..4061d19231 --- /dev/null +++ b/lib/ffmpeg/libavutil/x86/intreadwrite.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2010 Alexander Strange + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_X86_INTREADWRITE_H +#define AVUTIL_X86_INTREADWRITE_H + +#include +#include "config.h" +#include "libavutil/attributes.h" + +#if HAVE_MMX + +#if !HAVE_FAST_64BIT && defined(__MMX__) + +#define AV_COPY64 AV_COPY64 +static av_always_inline void AV_COPY64(void *d, const void *s) +{ + __asm__("movq %1, %%mm0 \n\t" + "movq %%mm0, %0 \n\t" + : "=m"(*(uint64_t*)d) + : "m" (*(const uint64_t*)s) + : "mm0"); +} + +#define AV_SWAP64 AV_SWAP64 +static av_always_inline void AV_SWAP64(void *a, void *b) +{ + __asm__("movq %1, %%mm0 \n\t" + "movq %0, %%mm1 \n\t" + "movq %%mm0, %0 \n\t" + "movq %%mm1, %1 \n\t" + : "+m"(*(uint64_t*)a), "+m"(*(uint64_t*)b) + ::"mm0", "mm1"); +} + +#define AV_ZERO64 AV_ZERO64 +static av_always_inline void AV_ZERO64(void *d) +{ + __asm__("pxor %%mm0, %%mm0 \n\t" + "movq %%mm0, %0 \n\t" + : "=m"(*(uint64_t*)d) + :: "mm0"); +} + +#endif /* !HAVE_FAST_64BIT && defined(__MMX__) */ + +#ifdef __SSE__ + +#define AV_COPY128 AV_COPY128 +static av_always_inline void AV_COPY128(void *d, const void *s) +{ + struct v {uint64_t v[2];}; + + __asm__("movaps %1, %%xmm0 \n\t" + "movaps %%xmm0, %0 \n\t" + : "=m"(*(struct v*)d) + : "m" (*(const struct v*)s) + : "xmm0"); +} + +#endif /* __SSE__ */ + +#ifdef __SSE2__ + +#define AV_ZERO128 AV_ZERO128 +static av_always_inline void AV_ZERO128(void *d) +{ + struct v {uint64_t v[2];}; + + __asm__("pxor %%xmm0, %%xmm0 \n\t" + "movdqa %%xmm0, %0 \n\t" + : "=m"(*(struct v*)d) + :: "xmm0"); +} + +#endif /* __SSE2__ */ + +#endif /* HAVE_MMX */ + +#endif /* AVUTIL_X86_INTREADWRITE_H */ diff --git a/lib/ffmpeg/libavutil/x86/timer.h b/lib/ffmpeg/libavutil/x86/timer.h new file mode 100644 index 0000000000..62a111fdd3 --- /dev/null +++ b/lib/ffmpeg/libavutil/x86/timer.h @@ -0,0 +1,35 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_X86_TIMER_H +#define AVUTIL_X86_TIMER_H + +#include + +#define AV_READ_TIME read_time + +static inline uint64_t read_time(void) +{ + uint32_t a, d; + __asm__ volatile("rdtsc" : "=a" (a), "=d" (d)); + return ((uint64_t)d << 32) + a; +} + +#endif /* AVUTIL_X86_TIMER_H */ diff --git a/lib/ffmpeg/libavutil/x86_cpu.h b/lib/ffmpeg/libavutil/x86_cpu.h new file mode 100644 index 0000000000..08d31461fb --- /dev/null +++ b/lib/ffmpeg/libavutil/x86_cpu.h @@ -0,0 +1,76 @@ +/* + * copyright (c) 2006 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_X86_CPU_H +#define AVUTIL_X86_CPU_H + +#include +#include "config.h" + +#if ARCH_X86_64 +# define REG_a "rax" +# define REG_b "rbx" +# define REG_c "rcx" +# define REG_d "rdx" +# define REG_D "rdi" +# define REG_S "rsi" +# define PTR_SIZE "8" +typedef int64_t x86_reg; + +# define REG_SP "rsp" +# define REG_BP "rbp" +# define REGBP rbp +# define REGa rax +# define REGb rbx +# define REGc rcx +# define REGd rdx +# define REGSP rsp + +#elif ARCH_X86_32 + +# define REG_a "eax" +# define REG_b "ebx" +# define REG_c "ecx" +# define REG_d "edx" +# define REG_D "edi" +# define REG_S "esi" +# define PTR_SIZE "4" +typedef int32_t x86_reg; + +# define REG_SP "esp" +# define REG_BP "ebp" +# define REGBP ebp +# define REGa eax +# define REGb ebx +# define REGc ecx +# define REGd edx +# define REGSP esp +#else +typedef int x86_reg; +#endif + +#define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE)) +#define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE)) + +#if ARCH_X86_64 && defined(PIC) +# define BROKEN_RELOCATIONS 1 +#endif + +#endif /* AVUTIL_X86_CPU_H */ -- cgit v1.2.3