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Diffstat (limited to 'lib/libdts/libao/audio_out_wav.c')
-rw-r--r--lib/libdts/libao/audio_out_wav.c311
1 files changed, 0 insertions, 311 deletions
diff --git a/lib/libdts/libao/audio_out_wav.c b/lib/libdts/libao/audio_out_wav.c
deleted file mode 100644
index ff8a7c0da9..0000000000
--- a/lib/libdts/libao/audio_out_wav.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * audio_out_wav.c
- * Copyright (C) 2004 Gildas Bazin <gbazin@videolan.org>
- * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of dtsdec, a free DTS Coherent Acoustics stream decoder.
- * See http://www.videolan.org/dtsdec.html for updates.
- *
- * dtsdec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * dtsdec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <inttypes.h>
-
-#include "dts.h"
-#include "audio_out.h"
-#include "audio_out_internal.h"
-
-#define WAVE_FORMAT_PCM 0x0001
-#define WAVE_FORMAT_IEEE_FLOAT 0x0003
-#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
-
-#define SPEAKER_FRONT_LEFT 0x1
-#define SPEAKER_FRONT_RIGHT 0x2
-#define SPEAKER_FRONT_CENTER 0x4
-#define SPEAKER_LOW_FREQUENCY 0x8
-#define SPEAKER_BACK_LEFT 0x10
-#define SPEAKER_BACK_RIGHT 0x20
-#define SPEAKER_FRONT_LEFT_OF_CENTER 0x40
-#define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
-#define SPEAKER_BACK_CENTER 0x100
-#define SPEAKER_SIDE_LEFT 0x200
-#define SPEAKER_SIDE_RIGHT 0x400
-#define SPEAKER_TOP_CENTER 0x800
-#define SPEAKER_TOP_FRONT_LEFT 0x1000
-#define SPEAKER_TOP_FRONT_CENTER 0x2000
-#define SPEAKER_TOP_FRONT_RIGHT 0x4000
-#define SPEAKER_TOP_BACK_LEFT 0x8000
-#define SPEAKER_TOP_BACK_CENTER 0x10000
-#define SPEAKER_TOP_BACK_RIGHT 0x20000
-#define SPEAKER_RESERVED 0x80000000
-
-typedef struct wav_instance_s {
- ao_instance_t ao;
- int sample_rate;
- int set_params;
- int flags;
- uint32_t speaker_flags;
- int size;
-} wav_instance_t;
-
-static uint8_t wav_header[] = {
- 'R', 'I', 'F', 'F', 0xfc, 0xff, 0xff, 0xff, 'W', 'A', 'V', 'E',
- 'f', 'm', 't', ' ', 16, 0, 0, 0,
- WAVE_FORMAT_PCM, WAVE_FORMAT_PCM >> 8,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0,
- 'd', 'a', 't', 'a', 0xd8, 0xff, 0xff, 0xff
-};
-
-static uint8_t wavmulti_header[] = {
- 'R', 'I', 'F', 'F', 0xf0, 0xff, 0xff, 0xff, 'W', 'A', 'V', 'E',
- 'f', 'm', 't', ' ', 40, 0, 0, 0,
- (uint8_t)(WAVE_FORMAT_EXTENSIBLE & 0xFF), WAVE_FORMAT_EXTENSIBLE >> 8,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 22, 0,
- 0, 0, 0, 0, 0, 0,
- WAVE_FORMAT_IEEE_FLOAT, WAVE_FORMAT_IEEE_FLOAT >> 8,
- 0, 0, 0, 0, 0x10, 0x00, 0x80, 0, 0, 0xaa, 0, 0x38, 0x9b, 0x71,
- 'd', 'a', 't', 'a', 0xb4, 0xff, 0xff, 0xff
-};
-
-static int wav_setup (ao_instance_t * _instance, int sample_rate, int * flags,
- level_t * level, sample_t * bias)
-{
- wav_instance_t * instance = (wav_instance_t *) _instance;
-
- if ((instance->set_params == 0) && (instance->sample_rate != sample_rate))
- return 1;
- instance->sample_rate = sample_rate;
-
- if (instance->flags >= 0)
- *flags = instance->flags;
- *level = CONVERT_LEVEL;
- *bias = 0;
-
- if( instance->flags == DTS_STEREO );
- *bias = CONVERT_BIAS;
-
- return 0;
-}
-
-static void store4 (uint8_t * buf, int value)
-{
- buf[0] = value;
- buf[1] = value >> 8;
- buf[2] = value >> 16;
- buf[3] = value >> 24;
-}
-
-static void store2 (uint8_t * buf, int16_t value)
-{
- buf[0] = value;
- buf[1] = value >> 8;
-}
-
-static int wav_channels (int flags, uint32_t * speaker_flags)
-{
- static const uint32_t speaker_tbl[] = {
- SPEAKER_FRONT_CENTER,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_CENTER,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER
- | SPEAKER_BACK_CENTER,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT
- | SPEAKER_BACK_RIGHT,
- SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER
- | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT,
- /* TODO > 5 channels */
- };
- static const uint8_t nfchans_tbl[] =
- {
- 1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 6, 7, 8, 8
- };
- int chans;
-
- *speaker_flags = speaker_tbl[flags & DTS_CHANNEL_MASK];
- chans = nfchans_tbl[flags & DTS_CHANNEL_MASK];
-
- if (flags & DTS_LFE) {
- *speaker_flags |= SPEAKER_LOW_FREQUENCY;
- chans++;
- }
-
- return chans;
-}
-
-#include <stdio.h>
-
-static int wav_play (ao_instance_t * _instance, int flags, sample_t * _samples)
-{
- wav_instance_t * instance = (wav_instance_t *) _instance;
- float ordered_samples[256 * 6];
- int chans, size;
- uint32_t speaker_flags;
-
- static const int chan_map[10][6] =
- { { 0, 0, 0, 0, 0, 0 }, /* DTS_MONO */
- { 0, 1, 0, 0, 0, 0 }, /* DTS_CHANNEL */
- { 0, 1, 0, 0, 0, 0 }, /* DTS_STEREO */
- { 0, 1, 0, 0, 0, 0 }, /* DTS_STEREO_SUMDIFF */
- { 0, 1, 0, 0, 0, 0 }, /* DTS_STEREO_TOTAL */
- { 2, 0, 1, 0, 0, 0 }, /* DTS_3F */
- { 0, 1, 2, 0, 0, 0 }, /* DTS_2F1R */
- { 2, 0, 1, 3, 0, 0 }, /* DTS_3F1R */
- { 0, 1, 2, 3, 0, 0 }, /* DTS_2F2R */
- { 2, 0, 1, 3, 4, 0 }, /* DTS_3F2R */
- };
- static const int chan_map_lfe[10][6] =
- { { 0, 1, 0, 0, 0, 0 }, /* DTS_MONO */
- { 0, 1, 2, 0, 0, 0 }, /* DTS_CHANNEL */
- { 0, 1, 2, 0, 0, 0 }, /* DTS_STEREO */
- { 0, 1, 2, 0, 0, 0 }, /* DTS_STEREO_SUMDIFF */
- { 0, 1, 2, 0, 0, 0 }, /* DTS_STEREO_TOTAL */
- { 2, 0, 1, 3, 0, 0 }, /* DTS_3F */
- { 0, 1, 3, 2, 0, 0 }, /* DTS_2F1R */
- { 2, 0, 1, 4, 3, 0 }, /* DTS_3F1R */
- { 0, 1, 3, 4, 2, 0 }, /* DTS_2F2R */
- { 2, 0, 1, 4, 5, 3 }, /* DTS_3F2R */
- };
-
-#ifdef LIBDTS_DOUBLE
- convert_t samples[256 * 6];
- int i;
-
- for (i = 0; i < 256 * 6; i++)
- samples[i] = _samples[i];
-#else
- convert_t * samples = _samples;
-#endif
-
- chans = wav_channels (flags, &speaker_flags);
- if (instance->set_params) {
- instance->set_params = 0;
- instance->speaker_flags = speaker_flags;
- if (chans == 2) {
- store2 (wav_header + 22, chans);
- store4 (wav_header + 24, instance->sample_rate);
- store4 (wav_header + 28, instance->sample_rate * 2 * chans);
- store2 (wav_header + 32, 2 * chans);
- fwrite (wav_header, sizeof (wav_header), 1, stdout);
- } else {
- store2 (wavmulti_header + 22, chans);
- store4 (wavmulti_header + 24, instance->sample_rate);
- store4 (wavmulti_header + 28,
- instance->sample_rate * sizeof(float) * chans);
- store2 (wavmulti_header + 32, sizeof(float) * chans);
- store2 (wavmulti_header + 38, sizeof(float) * 8);
- store4 (wavmulti_header + 40, speaker_flags);
- fwrite (wavmulti_header, sizeof (wavmulti_header), 1, stdout);
- }
- } else if (speaker_flags != instance->speaker_flags)
- return 1;
-
- if (chans == 2) {
- convert2s16_2 (samples, (int16_t *)ordered_samples);
- s16_LE ((int16_t *)ordered_samples, chans);
- size = 256 * sizeof (int16_t) * chans;
- } else {
- int i, j;
-
- if (flags & DTS_LFE)
- {
- flags &= ~DTS_LFE;
- for (j = 0; j < chans; j++)
- for (i = 0; i < 256; i++)
- ordered_samples[i * chans + chan_map_lfe[flags][j]] =
- _samples[j * 256 + i];
- }
- else
- for (j = 0; j < chans; j++)
- for (i = 0; i < 256; i++)
- ordered_samples[i * chans + chan_map[flags][j]] =
- _samples[j * chans + i];
-
- s32_LE (ordered_samples, chans);
- size = 256 * sizeof (float) * chans;
- }
-
- fwrite (ordered_samples, size, 1, stdout);
- instance->size += size;
-
- return 0;
-}
-
-static void wav_close (ao_instance_t * _instance)
-{
- wav_instance_t * instance = (wav_instance_t *) _instance;
-
- if (fseek (stdout, 0, SEEK_SET) < 0)
- return;
-
- if (instance->speaker_flags == 3 || instance->speaker_flags == 4) {
- store4 (wav_header + 4, instance->size + 36);
- store4 (wav_header + 40, instance->size);
- fwrite (wav_header, sizeof (wav_header), 1, stdout);
- } else {
- store4 (wavmulti_header + 4, instance->size + 60);
- store4 (wavmulti_header + 64, instance->size);
- fwrite (wavmulti_header, sizeof (wavmulti_header), 1, stdout);
- }
-}
-
-static ao_instance_t * wav_open (int flags)
-{
- wav_instance_t * instance;
-
- instance = (wav_instance_t *) malloc (sizeof (wav_instance_t));
- if (instance == NULL)
- return NULL;
-
- instance->ao.setup = wav_setup;
- instance->ao.play = wav_play;
- instance->ao.close = wav_close;
-
- instance->sample_rate = 0;
- instance->set_params = 1;
- instance->flags = flags;
- instance->size = 0;
-
- return (ao_instance_t *) instance;
-}
-
-ao_instance_t * ao_wav_open (void)
-{
- return wav_open (DTS_STEREO);
-}
-
-ao_instance_t * ao_wavdolby_open (void)
-{
- return wav_open (DTS_DOLBY);
-}
-
-ao_instance_t * ao_wav6_open (void)
-{
- return wav_open (DTS_3F2R|DTS_LFE);
-}
-
-ao_instance_t * ao_wavall_open (void)
-{
- return wav_open (-1);
-}
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