aboutsummaryrefslogtreecommitdiff
path: root/lib/ffmpeg/libavutil/ppc
diff options
context:
space:
mode:
authorFlyingRat <flyingrat@outlook.com>2013-04-07 16:36:04 +0200
committerFlyingRat <flyingrat@outlook.com>2013-04-07 16:36:04 +0200
commit0e63a815aa6af63a21848e04b683d3f506dd41b1 (patch)
tree002f61d8a5b1d294d99fd4ba5b6982d76a612f0c /lib/ffmpeg/libavutil/ppc
parent71862137c5337fc678681a23bfbc65f4db7a7b2f (diff)
[FFmpeg] version bump to n1.2 (rev e820e3a) - lib/ffmpeg
This commit now contains the original patches sub directory: patches - Org dir that contains applied xbmc custom patches. patches/README-patches - New README file with info about xbmc patches. patches/obsolete-patches - New dir with obsolete xbmc patches.
Diffstat (limited to 'lib/ffmpeg/libavutil/ppc')
-rw-r--r--lib/ffmpeg/libavutil/ppc/Makefile4
-rw-r--r--lib/ffmpeg/libavutil/ppc/cpu.c2
-rw-r--r--lib/ffmpeg/libavutil/ppc/float_dsp_altivec.c124
-rw-r--r--lib/ffmpeg/libavutil/ppc/float_dsp_altivec.h38
-rw-r--r--lib/ffmpeg/libavutil/ppc/float_dsp_init.c42
-rw-r--r--lib/ffmpeg/libavutil/ppc/types_altivec.h47
-rw-r--r--lib/ffmpeg/libavutil/ppc/util_altivec.h118
7 files changed, 374 insertions, 1 deletions
diff --git a/lib/ffmpeg/libavutil/ppc/Makefile b/lib/ffmpeg/libavutil/ppc/Makefile
new file mode 100644
index 0000000000..4fd8d6d57e
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/Makefile
@@ -0,0 +1,4 @@
+OBJS += ppc/cpu.o \
+ ppc/float_dsp_init.o \
+
+ALTIVEC-OBJS += ppc/float_dsp_altivec.o \
diff --git a/lib/ffmpeg/libavutil/ppc/cpu.c b/lib/ffmpeg/libavutil/ppc/cpu.c
index fc38be6f65..20837dae11 100644
--- a/lib/ffmpeg/libavutil/ppc/cpu.c
+++ b/lib/ffmpeg/libavutil/ppc/cpu.c
@@ -61,7 +61,7 @@ int ff_get_cpu_flags_ppc(void)
if (err == 0)
return has_vu ? AV_CPU_FLAG_ALTIVEC : 0;
return 0;
-#elif CONFIG_RUNTIME_CPUDETECT
+#elif CONFIG_RUNTIME_CPUDETECT && defined(__linux__) && !ARCH_PPC64
int proc_ver;
// Support of mfspr PVR emulation added in Linux 2.6.17.
__asm__ volatile("mfspr %0, 287" : "=r" (proc_ver));
diff --git a/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.c b/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.c
new file mode 100644
index 0000000000..8cee82c1c7
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
+ *
+ * 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 "util_altivec.h"
+#include "float_dsp_altivec.h"
+
+void ff_vector_fmul_altivec(float *dst, const float *src0, const float *src1,
+ int len)
+{
+ int i;
+ vector float d0, d1, s, zero = (vector float)vec_splat_u32(0);
+ for (i = 0; i < len - 7; i += 8) {
+ d0 = vec_ld( 0, src0 + i);
+ s = vec_ld( 0, src1 + i);
+ d1 = vec_ld(16, src0 + i);
+ d0 = vec_madd(d0, s, zero);
+ d1 = vec_madd(d1, vec_ld(16, src1 + i), zero);
+ vec_st(d0, 0, dst + i);
+ vec_st(d1, 16, dst + i);
+ }
+}
+
+void ff_vector_fmul_window_altivec(float *dst, const float *src0,
+ const float *src1, const float *win, int len)
+{
+ vector float zero, t0, t1, s0, s1, wi, wj;
+ const vector unsigned char reverse = vcprm(3, 2, 1, 0);
+ int i, j;
+
+ dst += len;
+ win += len;
+ src0 += len;
+
+ zero = (vector float)vec_splat_u32(0);
+
+ for (i = -len * 4, j = len * 4 - 16; i < 0; i += 16, j -= 16) {
+ s0 = vec_ld(i, src0);
+ s1 = vec_ld(j, src1);
+ wi = vec_ld(i, win);
+ wj = vec_ld(j, win);
+
+ s1 = vec_perm(s1, s1, reverse);
+ wj = vec_perm(wj, wj, reverse);
+
+ t0 = vec_madd(s0, wj, zero);
+ t0 = vec_nmsub(s1, wi, t0);
+ t1 = vec_madd(s0, wi, zero);
+ t1 = vec_madd(s1, wj, t1);
+ t1 = vec_perm(t1, t1, reverse);
+
+ vec_st(t0, i, dst);
+ vec_st(t1, j, dst);
+ }
+}
+
+void ff_vector_fmul_add_altivec(float *dst, const float *src0,
+ const float *src1, const float *src2,
+ int len)
+{
+ int i;
+ vector float d, s0, s1, s2, t0, t1, edges;
+ vector unsigned char align = vec_lvsr(0,dst),
+ mask = vec_lvsl(0, dst);
+
+ for (i = 0; i < len - 3; i += 4) {
+ t0 = vec_ld(0, dst + i);
+ t1 = vec_ld(15, dst + i);
+ s0 = vec_ld(0, src0 + i);
+ s1 = vec_ld(0, src1 + i);
+ s2 = vec_ld(0, src2 + i);
+ edges = vec_perm(t1, t0, mask);
+ d = vec_madd(s0, s1, s2);
+ t1 = vec_perm(d, edges, align);
+ t0 = vec_perm(edges, d, align);
+ vec_st(t1, 15, dst + i);
+ vec_st(t0, 0, dst + i);
+ }
+}
+
+void ff_vector_fmul_reverse_altivec(float *dst, const float *src0,
+ const float *src1, int len)
+{
+ int i;
+ vector float d, s0, s1, h0, l0,
+ s2, s3, zero = (vector float) vec_splat_u32(0);
+
+ src1 += len-4;
+ for(i = 0; i < len - 7; i += 8) {
+ s1 = vec_ld(0, src1 - i); // [a,b,c,d]
+ s0 = vec_ld(0, src0 + i);
+ l0 = vec_mergel(s1, s1); // [c,c,d,d]
+ s3 = vec_ld(-16, src1 - i);
+ h0 = vec_mergeh(s1, s1); // [a,a,b,b]
+ s2 = vec_ld(16, src0 + i);
+ s1 = vec_mergeh(vec_mergel(l0, h0), // [d,b,d,b]
+ vec_mergeh(l0, h0)); // [c,a,c,a]
+ // [d,c,b,a]
+ l0 = vec_mergel(s3, s3);
+ d = vec_madd(s0, s1, zero);
+ h0 = vec_mergeh(s3, s3);
+ vec_st(d, 0, dst + i);
+ s3 = vec_mergeh(vec_mergel(l0, h0),
+ vec_mergeh(l0, h0));
+ d = vec_madd(s2, s3, zero);
+ vec_st(d, 16, dst + i);
+ }
+}
diff --git a/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.h b/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.h
new file mode 100644
index 0000000000..b262a83548
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/float_dsp_altivec.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
+ *
+ * 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_FLOAT_DSP_ALTIVEC_H
+#define AVUTIL_PPC_FLOAT_DSP_ALTIVEC_H
+
+extern void ff_vector_fmul_altivec(float *dst, const float *src0,
+ const float *src1, int len);
+
+extern void ff_vector_fmul_window_altivec(float *dst, const float *src0,
+ const float *src1, const float *win,
+ int len);
+
+extern void ff_vector_fmul_add_altivec(float *dst, const float *src0,
+ const float *src1, const float *src2,
+ int len);
+
+extern void ff_vector_fmul_reverse_altivec(float *dst, const float *src0,
+ const float *src1, int len);
+
+#endif /* AVUTIL_PPC_FLOAT_DSP_ALTIVEC_H */
diff --git a/lib/ffmpeg/libavutil/ppc/float_dsp_init.c b/lib/ffmpeg/libavutil/ppc/float_dsp_init.c
new file mode 100644
index 0000000000..d9ca53eeec
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/float_dsp_init.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
+ *
+ * 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 "libavutil/cpu.h"
+#include "libavutil/float_dsp.h"
+#include "float_dsp_altivec.h"
+
+void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
+{
+#if HAVE_ALTIVEC
+ int mm_flags = av_get_cpu_flags();
+
+ if (!(mm_flags & AV_CPU_FLAG_ALTIVEC))
+ return;
+
+ fdsp->vector_fmul = ff_vector_fmul_altivec;
+ fdsp->vector_fmul_add = ff_vector_fmul_add_altivec;
+ fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_altivec;
+
+ if (!bit_exact) {
+ fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
+ }
+#endif
+}
diff --git a/lib/ffmpeg/libavutil/ppc/types_altivec.h b/lib/ffmpeg/libavutil/ppc/types_altivec.h
new file mode 100644
index 0000000000..69d8957509
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/types_altivec.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2006 Guillaume Poirier <gpoirier@mplayerhq.hu>
+ *
+ * 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_TYPES_ALTIVEC_H
+#define AVUTIL_PPC_TYPES_ALTIVEC_H
+
+/***********************************************************************
+ * Vector types
+ **********************************************************************/
+#define vec_u8 vector unsigned char
+#define vec_s8 vector signed char
+#define vec_u16 vector unsigned short
+#define vec_s16 vector signed short
+#define vec_u32 vector unsigned int
+#define vec_s32 vector signed int
+#define vec_f vector float
+
+/***********************************************************************
+ * Null vector
+ **********************************************************************/
+#define LOAD_ZERO const vec_u8 zerov = vec_splat_u8( 0 )
+
+#define zero_u8v (vec_u8) zerov
+#define zero_s8v (vec_s8) zerov
+#define zero_u16v (vec_u16) zerov
+#define zero_s16v (vec_s16) zerov
+#define zero_u32v (vec_u32) zerov
+#define zero_s32v (vec_s32) zerov
+
+#endif /* AVUTIL_PPC_TYPES_ALTIVEC_H */
diff --git a/lib/ffmpeg/libavutil/ppc/util_altivec.h b/lib/ffmpeg/libavutil/ppc/util_altivec.h
new file mode 100644
index 0000000000..7fe31504ed
--- /dev/null
+++ b/lib/ffmpeg/libavutil/ppc/util_altivec.h
@@ -0,0 +1,118 @@
+/*
+ * 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
+ * Contains misc utility macros and inline functions
+ */
+
+#ifndef AVUTIL_PPC_UTIL_ALTIVEC_H
+#define AVUTIL_PPC_UTIL_ALTIVEC_H
+
+#include <stdint.h>
+
+#include "config.h"
+
+#if HAVE_ALTIVEC_H
+#include <altivec.h>
+#endif
+
+#include "types_altivec.h"
+
+// used to build registers permutation vectors (vcprm)
+// the 's' are for words in the _s_econd vector
+#define WORD_0 0x00,0x01,0x02,0x03
+#define WORD_1 0x04,0x05,0x06,0x07
+#define WORD_2 0x08,0x09,0x0a,0x0b
+#define WORD_3 0x0c,0x0d,0x0e,0x0f
+#define WORD_s0 0x10,0x11,0x12,0x13
+#define WORD_s1 0x14,0x15,0x16,0x17
+#define WORD_s2 0x18,0x19,0x1a,0x1b
+#define WORD_s3 0x1c,0x1d,0x1e,0x1f
+
+#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
+#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
+
+// vcprmle is used to keep the same index as in the SSE version.
+// it's the same as vcprm, with the index inversed
+// ('le' is Little Endian)
+#define vcprmle(a,b,c,d) vcprm(d,c,b,a)
+
+// used to build inverse/identity vectors (vcii)
+// n is _n_egative, p is _p_ositive
+#define FLOAT_n -1.
+#define FLOAT_p 1.
+
+
+// Transpose 8x8 matrix of 16-bit elements (in-place)
+#define TRANSPOSE8(a,b,c,d,e,f,g,h) \
+do { \
+ vector signed short A1, B1, C1, D1, E1, F1, G1, H1; \
+ vector signed short A2, B2, C2, D2, E2, F2, G2, H2; \
+ \
+ A1 = vec_mergeh (a, e); \
+ B1 = vec_mergel (a, e); \
+ C1 = vec_mergeh (b, f); \
+ D1 = vec_mergel (b, f); \
+ E1 = vec_mergeh (c, g); \
+ F1 = vec_mergel (c, g); \
+ G1 = vec_mergeh (d, h); \
+ H1 = vec_mergel (d, h); \
+ \
+ A2 = vec_mergeh (A1, E1); \
+ B2 = vec_mergel (A1, E1); \
+ C2 = vec_mergeh (B1, F1); \
+ D2 = vec_mergel (B1, F1); \
+ E2 = vec_mergeh (C1, G1); \
+ F2 = vec_mergel (C1, G1); \
+ G2 = vec_mergeh (D1, H1); \
+ H2 = vec_mergel (D1, H1); \
+ \
+ a = vec_mergeh (A2, E2); \
+ b = vec_mergel (A2, E2); \
+ c = vec_mergeh (B2, F2); \
+ d = vec_mergel (B2, F2); \
+ e = vec_mergeh (C2, G2); \
+ f = vec_mergel (C2, G2); \
+ g = vec_mergeh (D2, H2); \
+ h = vec_mergel (D2, H2); \
+} while (0)
+
+
+/** @brief loads unaligned vector @a *src with offset @a offset
+ and returns it */
+static inline vector unsigned char unaligned_load(int offset, uint8_t *src)
+{
+ register vector unsigned char first = vec_ld(offset, src);
+ register vector unsigned char second = vec_ld(offset+15, src);
+ register vector unsigned char mask = vec_lvsl(offset, src);
+ return vec_perm(first, second, mask);
+}
+
+/**
+ * loads vector known misalignment
+ * @param perm_vec the align permute vector to combine the two loads from lvsl
+ */
+static inline vec_u8 load_with_perm_vec(int offset, uint8_t *src, vec_u8 perm_vec)
+{
+ vec_u8 a = vec_ld(offset, src);
+ vec_u8 b = vec_ld(offset+15, src);
+ return vec_perm(a, b, perm_vec);
+}
+
+#endif /* AVUTIL_PPC_UTIL_ALTIVEC_H */
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-17 05:08:08 +0000