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Musepack SV8 demuxer and decoder

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Originally committed as revision 10938 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Kostya Shishkov 17 years ago
parent c0a8500015
commit 12877faf7c
11 changed files with 1317 additions and 5 deletions
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  1. 2
      doc/general.texi
  2. 1
      libavcodec/Makefile
  3. 1
      libavcodec/allcodecs.c
  4. 5
      libavcodec/avcodec.h
  5. 364
      libavcodec/mpc8.c
  6. 121
      libavcodec/mpc8data.h
  7. 578
      libavcodec/mpc8huff.h
  8. 1
      libavformat/Makefile
  9. 1
      libavformat/allformats.c
  10. 4
      libavformat/avformat.h
  11. 244
      libavformat/mpc8.c

2
doc/general.texi
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@ -314,7 +314,7 @@ following image formats are supported:
@tab Codec used in Delphine Software games. @tab Codec used in Delphine Software games.
@item Intel Music Coder @tab @tab X @item Intel Music Coder @tab @tab X
@item Musepack @tab @tab X @item Musepack @tab @tab X
@tab Only SV7 is supported @tab SV7 and SV8 are supported
@item DT$ Coherent Audio @tab @tab X @item DT$ Coherent Audio @tab @tab X
@item ATRAC 3 @tab @tab X @item ATRAC 3 @tab @tab X
@item Monkey's Audio @tab @tab X @tab Only versions 3.97-3.99 are supported @item Monkey's Audio @tab @tab X @tab Only versions 3.97-3.99 are supported

1
libavcodec/Makefile
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@ -115,6 +115,7 @@ OBJS-$(CONFIG_MP3_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mp
OBJS-$(CONFIG_MP3ADU_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MP3ADU_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MP3ON4_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MP3ON4_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MPC7_DECODER) += mpc7.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o OBJS-$(CONFIG_MPC7_DECODER) += mpc7.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MPC8_DECODER) += mpc8.o mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o
OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o mpegvideo_enc.o motion_est.o ratecontrol.o
OBJS-$(CONFIG_MPEG4_DECODER) += h263dec.o h263.o OBJS-$(CONFIG_MPEG4_DECODER) += h263dec.o h263.o

1
libavcodec/allcodecs.c
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@ -187,6 +187,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (MP3ADU, mp3adu); REGISTER_DECODER (MP3ADU, mp3adu);
REGISTER_DECODER (MP3ON4, mp3on4); REGISTER_DECODER (MP3ON4, mp3on4);
REGISTER_DECODER (MPC7, mpc7); REGISTER_DECODER (MPC7, mpc7);
REGISTER_DECODER (MPC8, mpc8);
REGISTER_DECODER (NELLYMOSER, nellymoser); REGISTER_DECODER (NELLYMOSER, nellymoser);
REGISTER_DECODER (QDM2, qdm2); REGISTER_DECODER (QDM2, qdm2);
REGISTER_DECODER (RA_144, ra_144); REGISTER_DECODER (RA_144, ra_144);

5
libavcodec/avcodec.h
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@ -33,8 +33,8 @@
#define AV_STRINGIFY(s) AV_TOSTRING(s) #define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s #define AV_TOSTRING(s) #s
#define LIBAVCODEC_VERSION_INT ((51<<16)+(47<<8)+2) #define LIBAVCODEC_VERSION_INT ((51<<16)+(48<<8)+0)
#define LIBAVCODEC_VERSION 51.47.2 #define LIBAVCODEC_VERSION 51.48.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT #define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) #define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@ -272,6 +272,7 @@ enum CodecID {
CODEC_ID_VOXWARE, CODEC_ID_VOXWARE,
CODEC_ID_APE, CODEC_ID_APE,
CODEC_ID_NELLYMOSER, CODEC_ID_NELLYMOSER,
CODEC_ID_MUSEPACK8,
/* subtitle codecs */ /* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000, CODEC_ID_DVD_SUBTITLE= 0x17000,

364
libavcodec/mpc8.c
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@ -0,0 +1,364 @@
/*
* Musepack SV8 decoder
* Copyright (c) 2007 Konstantin Shishkov
*
* 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 mpc8.c Musepack SV8 decoder
* MPEG Audio Layer 1/2 -like codec with frames of 1152 samples
* divided into 32 subbands.
*/
#include "avcodec.h"
#include "bitstream.h"
#include "dsputil.h"
#include "random.h"
#ifdef CONFIG_MPEGAUDIO_HP
#define USE_HIGHPRECISION
#endif
#include "mpegaudio.h"
#include "mpc.h"
#include "mpcdata.h"
#include "mpc8data.h"
#include "mpc8huff.h"
static VLC band_vlc, scfi_vlc[2], dscf_vlc[2], res_vlc[2];
static VLC q1_vlc, q2_vlc[2], q3_vlc[2], quant_vlc[4][2], q9up_vlc;
static const int q3_offsets[2] = { MPC8_Q3_OFFSET, MPC8_Q4_OFFSET };
static const int quant_offsets[6] = { MPC8_Q5_OFFSET, MPC8_Q6_OFFSET, MPC8_Q7_OFFSET, MPC8_Q8_OFFSET };
static inline int mpc8_dec_base(GetBitContext *gb, int k, int n)
{
int code = get_bits(gb, mpc8_cnk_len[k-1][n-1] - 1);
if (code >= mpc8_cnk_lost[k-1][n-1])
code = ((code << 1) | get_bits1(gb)) - mpc8_cnk_lost[k-1][n-1];
return code;
}
static inline int mpc8_dec_enum(GetBitContext *gb, int k, int n)
{
int bits = 0;
const uint32_t * C = mpc8_cnk[k-1];
int code = mpc8_dec_base(gb, k, n);
do {
n--;
if (code >= C[n]) {
bits |= 1 << n;
code -= C[n];
C -= 32;
k--;
}
} while(k > 0);
return bits;
}
static inline int mpc8_get_mod_golomb(GetBitContext *gb, int m)
{
if(mpc8_cnk_len[0][m] < 1) return 0;
return mpc8_dec_base(gb, 1, m+1);
}
static int mpc8_get_mask(GetBitContext *gb, int size, int t)
{
int mask = 0;
if(t && t != size)
mask = mpc8_dec_enum(gb, FFMIN(t, size - t), size);
if((t << 1) > size) mask = ~mask;
return mask;
}
static int mpc8_decode_init(AVCodecContext * avctx)
{
int i;
MPCContext *c = avctx->priv_data;
GetBitContext gb;
static int vlc_inited = 0;
if(avctx->extradata_size < 2){
av_log(avctx, AV_LOG_ERROR, "Too small extradata size (%i)!\n", avctx->extradata_size);
return -1;
}
memset(c->oldDSCF, 0, sizeof(c->oldDSCF));
av_init_random(0xDEADBEEF, &c->rnd);
dsputil_init(&c->dsp, avctx);
ff_mpc_init();
init_get_bits(&gb, avctx->extradata, 16);
skip_bits(&gb, 3);//sample rate
c->maxbands = get_bits(&gb, 5) + 1;
skip_bits(&gb, 4);//channels
c->MSS = get_bits1(&gb);
c->frames = 1 << (get_bits(&gb, 3) * 2);
if(vlc_inited) return 0;
av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n");
init_vlc(&band_vlc, MPC8_BANDS_BITS, MPC8_BANDS_SIZE,
mpc8_bands_bits, 1, 1,
mpc8_bands_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&q1_vlc, MPC8_Q1_BITS, MPC8_Q1_SIZE,
mpc8_q1_bits, 1, 1,
mpc8_q1_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&q9up_vlc, MPC8_Q9UP_BITS, MPC8_Q9UP_SIZE,
mpc8_q9up_bits, 1, 1,
mpc8_q9up_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&scfi_vlc[0], MPC8_SCFI0_BITS, MPC8_SCFI0_SIZE,
mpc8_scfi0_bits, 1, 1,
mpc8_scfi0_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&scfi_vlc[1], MPC8_SCFI1_BITS, MPC8_SCFI1_SIZE,
mpc8_scfi1_bits, 1, 1,
mpc8_scfi1_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&dscf_vlc[0], MPC8_DSCF0_BITS, MPC8_DSCF0_SIZE,
mpc8_dscf0_bits, 1, 1,
mpc8_dscf0_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&dscf_vlc[1], MPC8_DSCF1_BITS, MPC8_DSCF1_SIZE,
mpc8_dscf1_bits, 1, 1,
mpc8_dscf1_codes, 1, 1, INIT_VLC_USE_STATIC);
init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE,
mpc8_q3_bits, 1, 1,
mpc8_q3_codes, 1, 1,
mpc8_q3_syms, 1, 1, INIT_VLC_USE_STATIC);
init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE,
mpc8_q4_bits, 1, 1,
mpc8_q4_codes, 1, 1,
mpc8_q4_syms, 1, 1, INIT_VLC_USE_STATIC);
for(i = 0; i < 2; i++){
init_vlc(&res_vlc[i], MPC8_RES_BITS, MPC8_RES_SIZE,
&mpc8_res_bits[i], 1, 1,
&mpc8_res_codes[i], 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&q2_vlc[i], MPC8_Q2_BITS, MPC8_Q2_SIZE,
&mpc8_q2_bits[i], 1, 1,
&mpc8_q2_codes[i], 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&quant_vlc[0][i], MPC8_Q5_BITS, MPC8_Q5_SIZE,
&mpc8_q5_bits[i], 1, 1,
&mpc8_q5_codes[i], 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&quant_vlc[1][i], MPC8_Q6_BITS, MPC8_Q6_SIZE,
&mpc8_q6_bits[i], 1, 1,
&mpc8_q6_codes[i], 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&quant_vlc[2][i], MPC8_Q7_BITS, MPC8_Q7_SIZE,
&mpc8_q7_bits[i], 1, 1,
&mpc8_q7_codes[i], 1, 1, INIT_VLC_USE_STATIC);
init_vlc(&quant_vlc[3][i], MPC8_Q8_BITS, MPC8_Q8_SIZE,
&mpc8_q8_bits[i], 1, 1,
&mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_STATIC);
}
vlc_inited = 1;
return 0;
}
static int mpc8_decode_frame(AVCodecContext * avctx,
void *data, int *data_size,
uint8_t * buf, int buf_size)
{
MPCContext *c = avctx->priv_data;
GetBitContext gb2, *gb = &gb2;
int i, j, k, ch, cnt, res, t;
Band *bands = c->bands;
int off;
int maxband, keyframe;
int last[2];
keyframe = c->cur_frame == 0;
if(keyframe){
memset(c->Q, 0, sizeof(c->Q));
c->last_bits_used = 0;
}
init_get_bits(gb, buf, buf_size * 8);
skip_bits(gb, c->last_bits_used & 7);
if(keyframe)
maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1);
else{
maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);
if(maxband > 32) maxband -= 33;
}
c->last_max_band = maxband;
/* read subband indexes */
if(maxband){
last[0] = last[1] = 0;
for(i = maxband - 1; i >= 0; i--){
for(ch = 0; ch < 2; ch++){
last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch];
if(last[ch] > 15) last[ch] -= 17;
bands[i].res[ch] = last[ch];
}
}
if(c->MSS){
int mask;
cnt = 0;
for(i = 0; i < maxband; i++)
if(bands[i].res[0] || bands[i].res[1])
cnt++;
t = mpc8_get_mod_golomb(gb, cnt);
mask = mpc8_get_mask(gb, cnt, t);
for(i = maxband - 1; i >= 0; i--)
if(bands[i].res[0] || bands[i].res[1]){
bands[i].msf = mask & 1;
mask >>= 1;
}
}
}
for(i = maxband; i < c->maxbands; i++)
bands[i].res[0] = bands[i].res[1] = 0;
if(keyframe){
for(i = 0; i < 32; i++)
c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1;
}
for(i = 0; i < maxband; i++){
if(bands[i].res[0] || bands[i].res[1]){
cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1;
if(cnt >= 0){
t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1);
if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt);
if(bands[i].res[1]) bands[i].scfi[1] = t & 3;
}
}
}
for(i = 0; i < maxband; i++){
for(ch = 0; ch < 2; ch++){
if(!bands[i].res[ch]) continue;
if(c->oldDSCF[ch][i]){
bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6;
c->oldDSCF[ch][i] = 0;
}else{
t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2);
if(t == 64)
t += get_bits(gb, 6);
bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6;
}
for(j = 0; j < 2; j++){
if((bands[i].scfi[ch] << j) & 2)
bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j];
else{
t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2);
if(t == 31)
t = 64 + get_bits(gb, 6);
bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6;
}
}
}
}
for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){
for(ch = 0; ch < 2; ch++){
res = bands[i].res[ch];
switch(res){
case -1:
for(j = 0; j < SAMPLES_PER_BAND; j++)
c->Q[ch][off + j] = (av_random(&c->rnd) & 0x3FC) - 510;
break;
case 0:
break;
case 1:
for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){
cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2);
t = mpc8_get_mask(gb, 18, cnt);
for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1)
c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0;
}
break;
case 2:
cnt = 6;//2*mpc8_thres[res]
for(j = 0; j < SAMPLES_PER_BAND; j += 3){
t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2);
c->Q[ch][off + j + 0] = mpc8_idx50[t];
c->Q[ch][off + j + 1] = mpc8_idx51[t];
c->Q[ch][off + j + 2] = mpc8_idx52[t];
cnt = (cnt >> 1) + mpc8_huffq2[t];
}
break;
case 3:
case 4:
for(j = 0; j < SAMPLES_PER_BAND; j += 2){
t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3];
c->Q[ch][off + j + 1] = t >> 4;
c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF);
}
break;
case 5:
case 6:
case 7:
case 8:
cnt = 2 * mpc8_thres[res];
for(j = 0; j < SAMPLES_PER_BAND; j++){
t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5];
c->Q[ch][off + j] = t;
cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]);
}
break;
default:
for(j = 0; j < SAMPLES_PER_BAND; j++){
c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2);
if(res != 9){
c->Q[ch][off + j] <<= res - 9;
c->Q[ch][off + j] |= get_bits(gb, res - 9);
}
c->Q[ch][off + j] -= (1 << (res - 2)) - 1;
}
}
}
}
ff_mpc_dequantize_and_synth(c, maxband, data);
c->cur_frame++;
c->last_bits_used = get_bits_count(gb);
if(c->cur_frame >= c->frames)
c->cur_frame = 0;
*data_size = MPC_FRAME_SIZE * 4;
return c->cur_frame ? c->last_bits_used >> 3 : buf_size;
}
AVCodec mpc8_decoder = {
"mpc sv8",
CODEC_TYPE_AUDIO,
CODEC_ID_MUSEPACK8,
sizeof(MPCContext),
mpc8_decode_init,
NULL,
NULL,
mpc8_decode_frame,
};

121
libavcodec/mpc8data.h
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@ -0,0 +1,121 @@
/*
* Musepack SV8 decoder
* Copyright (c) 2007 Konstantin Shishkov
*
* 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 FFMPEG_MPC8DATA_H
#define FFMPEG_MPC8DATA_H
#include <stdint.h>
static const int8_t mpc8_idx50[125] = {
-2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2,
-2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2,
-2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2,
-2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2,
-2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2
};
static const int8_t mpc8_idx51[125] = {
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
-2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2
};
static const int8_t mpc8_idx52[125] = {
-2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
};
static const unsigned int mpc8_thres[] = {0, 0, 3, 0, 0, 1, 3, 4, 8};
static const int8_t mpc8_huffq2[5*5*5] = {
6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 5,
6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5, 4, 3,
4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 2, 3, 4, 3,
2, 3, 4, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 5,
4, 3, 4, 5, 6, 5, 4, 5, 6, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5,
6, 5, 4, 5, 6
};
static const uint32_t mpc8_cnk[16][32] =
{
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31},
{0, 0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465},
{0, 0, 0, 1, 4, 10, 20, 35, 56, 84, 120, 165, 220, 286, 364, 455, 560, 680, 816, 969, 1140, 1330, 1540, 1771, 2024, 2300, 2600, 2925, 3276, 3654, 4060, 4495},
{0, 0, 0, 0, 1, 5, 15, 35, 70, 126, 210, 330, 495, 715, 1001, 1365, 1820, 2380, 3060, 3876, 4845, 5985, 7315, 8855, 10626, 12650, 14950, 17550, 20475, 23751, 27405, 31465},
{0, 0, 0, 0, 0, 1, 6, 21, 56, 126, 252, 462, 792, 1287, 2002, 3003, 4368, 6188, 8568, 11628, 15504, 20349, 26334, 33649, 42504, 53130, 65780, 80730, 98280, 118755, 142506, 169911},
{0, 0, 0, 0, 0, 0, 1, 7, 28, 84, 210, 462, 924, 1716, 3003, 5005, 8008, 12376, 18564, 27132, 38760, 54264, 74613, 100947, 134596, 177100, 230230, 296010, 376740, 475020, 593775, 736281},
{0, 0, 0, 0, 0, 0, 0, 1, 8, 36, 120, 330, 792, 1716, 3432, 6435, 11440, 19448, 31824, 50388, 77520, 116280, 170544, 245157, 346104, 480700, 657800, 888030, 1184040, 1560780, 2035800, 2629575},
{0, 0, 0, 0, 0, 0, 0, 0, 1, 9, 45, 165, 495, 1287, 3003, 6435, 12870, 24310, 43758, 75582, 125970, 203490, 319770, 490314, 735471, 1081575, 1562275, 2220075, 3108105, 4292145, 5852925, 7888725},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 10, 55, 220, 715, 2002, 5005, 11440, 24310, 48620, 92378, 167960, 293930, 497420, 817190, 1307504, 2042975, 3124550, 4686825, 6906900, 10015005, 14307150, 20160075},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 66, 286, 1001, 3003, 8008, 19448, 43758, 92378, 184756, 352716, 646646, 1144066, 1961256, 3268760, 5311735, 8436285, 13123110, 20030010, 30045015, 44352165},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 78, 364, 1365, 4368, 12376, 31824, 75582, 167960, 352716, 705432, 1352078, 2496144, 4457400, 7726160, 13037895, 21474180, 34597290, 54627300, 84672315},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 13, 91, 455, 1820, 6188, 18564, 50388, 125970, 293930, 646646, 1352078, 2704156, 5200300, 9657700, 17383860, 30421755, 51895935, 86493225, 141120525},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 14, 105, 560, 2380, 8568, 27132, 77520, 203490, 497420, 1144066, 2496144, 5200300, 10400600, 20058300, 37442160, 67863915, 119759850, 206253075},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 15, 120, 680, 3060, 11628, 38760, 116280, 319770, 817190, 1961256, 4457400, 9657700, 20058300, 40116600, 77558760, 145422675, 265182525},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 136, 816, 3876, 15504, 54264, 170544, 490314, 1307504, 3268760, 7726160, 17383860, 37442160, 77558760, 155117520, 300540195},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 17, 153, 969, 4845, 20349, 74613, 245157, 735471, 2042975, 5311735, 13037895, 30421755, 67863915, 145422675, 300540195}
};
const static uint8_t mpc8_cnk_len[16][33] =
{
{0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6},
{0, 0, 2, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 0},
{0, 0, 0, 2, 4, 5, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 0},
{0, 0, 0, 0, 3, 4, 6, 7, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 0},
{0, 0, 0, 0, 0, 3, 5, 6, 7, 8, 9, 10, 11, 11, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 0},
{0, 0, 0, 0, 0, 0, 3, 5, 7, 8, 9, 10, 11, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 0},
{0, 0, 0, 0, 0, 0, 0, 3, 6, 7, 9, 10, 11, 12, 13, 14, 15, 15, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 21, 22, 22, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 8, 9, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 23, 24, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 8, 10, 11, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23, 24, 24, 25, 25, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 21, 21, 22, 23, 24, 24, 25, 25, 26, 26, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 26, 27, 27, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 9, 11, 13, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 28, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 10, 12, 14, 15, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 27, 28, 29, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 7, 10, 12, 14, 16, 17, 19, 20, 21, 23, 24, 25, 26, 27, 28, 28, 29, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 8, 10, 12, 14, 16, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 8, 10, 13, 15, 17, 18, 20, 21, 23, 24, 25, 27, 28, 29, 30, 0}
};
const static uint32_t mpc8_cnk_lost[16][33] =
{
{0, 0, 1, 0, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 31},
{0, 0, 1, 2, 6, 1, 11, 4, 28, 19, 9, 62, 50, 37, 23, 8, 120, 103, 85, 66, 46, 25, 3, 236, 212, 187, 161, 134, 106, 77, 47, 16, 0},
{0, 0, 0, 0, 6, 12, 29, 8, 44, 8, 91, 36, 226, 148, 57, 464, 344, 208, 55, 908, 718, 508, 277, 24, 1796, 1496, 1171, 820, 442, 36, 3697, 3232, 0},
{0, 0, 0, 0, 3, 1, 29, 58, 2, 46, 182, 17, 309, 23, 683, 228, 1716, 1036, 220, 3347, 2207, 877, 7529, 5758, 3734, 1434, 15218, 12293, 9017, 5363, 1303, 29576, 0},
{0, 0, 0, 0, 0, 2, 11, 8, 2, 4, 50, 232, 761, 46, 1093, 3824, 2004, 7816, 4756, 880, 12419, 6434, 31887, 23032, 12406, 65292, 50342, 32792, 12317, 119638, 92233, 60768, 0},
{0, 0, 0, 0, 0, 0, 1, 4, 44, 46, 50, 100, 332, 1093, 3187, 184, 4008, 14204, 5636, 26776, 11272, 56459, 30125, 127548, 85044, 31914, 228278, 147548, 49268, 454801, 312295, 142384, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 28, 8, 182, 232, 332, 664, 1757, 4944, 13320, 944, 15148, 53552, 14792, 91600, 16987, 178184, 43588, 390776, 160546, 913112, 536372, 61352, 1564729, 828448, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 7, 19, 91, 17, 761, 1093, 1757, 3514, 8458, 21778, 55490, 5102, 58654, 204518, 33974, 313105, 1015577, 534877, 1974229, 1086199, 4096463, 2535683, 499883, 6258916, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 9, 36, 309, 46, 3187, 4944, 8458, 16916, 38694, 94184, 230358, 26868, 231386, 789648, 54177, 1069754, 3701783, 1481708, 6762211, 2470066, 13394357, 5505632, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 62, 226, 23, 1093, 184, 13320, 21778, 38694, 77388, 171572, 401930, 953086, 135896, 925544, 3076873, 8340931, 3654106, 13524422, 3509417, 22756699, 2596624, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 50, 148, 683, 3824, 4008, 944, 55490, 94184, 171572, 343144, 745074, 1698160, 3931208, 662448, 3739321, 12080252, 32511574, 12481564, 49545413, 5193248, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 37, 57, 228, 2004, 14204, 15148, 5102, 230358, 401930, 745074, 1490148, 3188308, 7119516, 16170572, 3132677, 15212929, 47724503, 127314931, 42642616, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 23, 464, 1716, 7816, 5636, 53552, 58654, 26868, 953086, 1698160, 3188308, 6376616, 13496132, 29666704, 66353813, 14457878, 62182381, 189497312, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 344, 1036, 4756, 26776, 14792, 204518, 231386, 135896, 3931208, 7119516, 13496132, 26992264, 56658968, 123012781, 3252931, 65435312, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 120, 208, 220, 880, 11272, 91600, 33974, 789648, 925544, 662448, 16170572, 29666704, 56658968, 113317936, 236330717, 508019104, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 103, 55, 3347, 12419, 56459, 16987, 313105, 54177, 3076873, 3739321, 3132677, 66353813, 123012781, 236330717, 0}
};
#endif /* FFMPEG_MPC8DATA_H */

578
libavcodec/mpc8huff.h
Unescape View File

@ -0,0 +1,578 @@
/*
* Musepack SV8 decoder
* Copyright (c) 2007 Konstantin Shishkov
*
* 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 FFMPEG_MPC8HUFF_H
#define FFMPEG_MPC8HUFF_H
#include <stdint.h>
#define MPC8_BANDS_SIZE 33
#define MPC8_BANDS_BITS 9
static const uint8_t mpc8_bands_codes[MPC8_BANDS_SIZE] = {
0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04,
0x05, 0x06, 0x01, 0x02, 0x03, 0x00, 0x04, 0x05,
0x06, 0x07, 0x08, 0x01, 0x09, 0x0A, 0x0B, 0x07,
0x08, 0x09, 0x06, 0x07, 0x05, 0x05, 0x03, 0x03,
0x01,
};
static const int8_t mpc8_bands_bits[MPC8_BANDS_SIZE] = {
1, 3, 5, 6, 7, 8, 8, 9,
10, 11, 12, 12, 12, 13, 12, 12,
12, 12, 12, 13, 12, 12, 12, 11,
11, 11, 10, 10, 9, 8, 6, 5,
2,
};
#define MPC8_SCFI0_SIZE 4
#define MPC8_SCFI0_BITS 3
static const uint8_t mpc8_scfi0_codes[MPC8_SCFI0_SIZE] = {
0x00, 0x01, 0x01, 0x01,
};
static const int8_t mpc8_scfi0_bits[MPC8_SCFI0_SIZE] = {
3, 3, 1, 2,
};
#define MPC8_SCFI1_SIZE 16
#define MPC8_SCFI1_BITS 7
static const uint8_t mpc8_scfi1_codes[MPC8_SCFI1_SIZE] = {
0x01, 0x00, 0x02, 0x03, 0x01, 0x03, 0x04, 0x05,
0x04, 0x06, 0x02, 0x02, 0x05, 0x07, 0x03, 0x03,
};
static const int8_t mpc8_scfi1_bits[MPC8_SCFI1_SIZE] = {
6, 7, 6, 6, 7, 5, 5, 5,
6, 5, 2, 3, 6, 5, 3, 2,
};
#define MPC8_DSCF0_SIZE 64
#define MPC8_DSCF0_BITS 9
static const uint8_t mpc8_dscf0_codes[MPC8_DSCF0_SIZE] = {
0x03, 0x04, 0x05, 0x04, 0x05, 0x06, 0x05, 0x06,
0x07, 0x08, 0x09, 0x07, 0x08, 0x09, 0x0A, 0x07,
0x08, 0x09, 0x0A, 0x07, 0x08, 0x09, 0x0A, 0x06,
0x07, 0x05, 0x04, 0x05, 0x06, 0x06, 0x07, 0x0A,
0x08, 0x05, 0x06, 0x07, 0x09, 0x07, 0x08, 0x09,
0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C, 0x0D, 0x0B,
0x0C, 0x0D, 0x07, 0x08, 0x09, 0x06, 0x07, 0x03,
0x04, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
};
static const int8_t mpc8_dscf0_bits[MPC8_DSCF0_SIZE] = {
12, 12, 12, 11, 11, 11, 10, 10,
10, 10, 10, 9, 9, 9, 9, 8,
8, 8, 8, 7, 7, 7, 7, 6,
6, 5, 4, 4, 5, 4, 4, 10,
4, 3, 3, 3, 4, 5, 6, 6,
7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13,
13, 13, 14, 14, 14, 14, 14, 14,
};
#define MPC8_DSCF1_SIZE 65
#define MPC8_DSCF1_BITS 9
static const uint8_t mpc8_dscf1_codes[MPC8_DSCF1_SIZE] = {
0x00, 0x03, 0x04, 0x04, 0x05, 0x06, 0x05, 0x06,
0x07, 0x08, 0x07, 0x08, 0x09, 0x0A, 0x07, 0x08,
0x09, 0x0A, 0x07, 0x08, 0x09, 0x06, 0x07, 0x05,
0x06, 0x04, 0x03, 0x03, 0x04, 0x03, 0x04, 0x05,
0x06, 0x07, 0x05, 0x04, 0x05, 0x05, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0B, 0x0C, 0x0D, 0x0B, 0x0C,
0x0D, 0x09, 0x0A, 0x0B, 0x0C, 0x07, 0x08, 0x09,
0x05, 0x06, 0x07, 0x01, 0x02, 0x03, 0x04, 0x05,
0x0D,
};
static const int8_t mpc8_dscf1_bits[MPC8_DSCF1_SIZE] = {
15, 14, 14, 13, 13, 13, 12, 12,
12, 12, 11, 11, 11, 11, 10, 10,
10, 10, 9, 9, 9, 8, 8, 7,
7, 6, 5, 4, 4, 3, 3, 3,
3, 3, 4, 5, 5, 6, 7, 8,
8, 9, 9, 10, 10, 10, 11, 11,
11, 12, 12, 12, 12, 13, 13, 13,
14, 14, 14, 15, 15, 15, 15, 15,
12,
};
#define MPC8_RES_SIZE 17
#define MPC8_RES_BITS 9
static const uint8_t mpc8_res_codes[2][MPC8_RES_SIZE] = {
{
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01,
0x01,
},
{
0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x00, 0x01, 0x02, 0x03, 0x01, 0x01, 0x01, 0x01,
0x03,
}
};
static const int8_t mpc8_res_bits[2][MPC8_RES_SIZE] = {
{
1, 2, 4, 5, 6, 7, 9, 10,
11, 12, 13, 14, 15, 16, 16, 8,
3,
},
{
2, 2, 3, 5, 7, 8, 10, 12,
14, 14, 14, 14, 11, 9, 6, 4,
2,
}
};
#define MPC8_Q1_SIZE 19
#define MPC8_Q1_BITS 9
static const uint8_t mpc8_q1_codes[MPC8_Q1_SIZE] = {
0x01, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x03, 0x04, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x00, 0x01,
};
static const int8_t mpc8_q1_bits[MPC8_Q1_SIZE] = {
6, 4, 4, 3, 3, 3, 3, 3,
4, 4, 4, 5, 7, 8, 9, 10,
11, 12, 12,
};
#define MPC8_Q9UP_SIZE 256
#define MPC8_Q9UP_BITS 9
static const uint8_t mpc8_q9up_codes[MPC8_Q9UP_SIZE] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x26, 0x27, 0x13, 0x14, 0x15,
0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D,
0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
0x28, 0x26, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E,
0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36,
0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E,
0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E,
0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E,
0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
0x67, 0x68, 0x69, 0x6A, 0x56, 0x57, 0x58, 0x59,
0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61,
0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x3E,
0x3F, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7A, 0x6B, 0x7B, 0x6C, 0x6D, 0x6E,
0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E,
0x7F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86,
0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E,
0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E,
0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0x27, 0x28, 0x29,
0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31,
0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41,
0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
0x4A, 0x4B, 0x06, 0x07, 0x08, 0x09, 0x00, 0x01,
};
static const int8_t mpc8_q9up_bits[MPC8_Q9UP_SIZE] = {
10, 10, 10, 10, 10, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 8, 8, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
8, 9, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 6,
6, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 8, 7, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 9, 10, 10, 10, 10, 11, 11,
};
#define MPC8_Q2_SIZE 125
#define MPC8_Q2_BITS 9
static const uint8_t mpc8_q2_codes[2][MPC8_Q2_SIZE] = {
{
0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x12,
0x0D, 0x06, 0x07, 0x13, 0x15, 0x14, 0x08, 0x09,
0x0E, 0x15, 0x0F, 0x0A, 0x03, 0x0B, 0x10, 0x0C,
0x01, 0x0D, 0x10, 0x16, 0x11, 0x0E, 0x12, 0x0F,
0x10, 0x16, 0x13, 0x17, 0x11, 0x08, 0x12, 0x18,
0x14, 0x13, 0x14, 0x17, 0x15, 0x0F, 0x16, 0x19,
0x17, 0x10, 0x11, 0x1A, 0x18, 0x1B, 0x12, 0x1C,
0x15, 0x09, 0x16, 0x1D, 0x19, 0x0A, 0x07, 0x0B,
0x1A, 0x1E, 0x17, 0x0C, 0x18, 0x1F, 0x13, 0x20,
0x1B, 0x21, 0x14, 0x11, 0x18, 0x22, 0x19, 0x12,
0x1A, 0x19, 0x1A, 0x1B, 0x1B, 0x23, 0x1C, 0x0D,
0x1D, 0x24, 0x1C, 0x1C, 0x1E, 0x1F, 0x1D, 0x13,
0x1E, 0x25, 0x1F, 0x14, 0x02, 0x15, 0x15, 0x16,
0x04, 0x17, 0x20, 0x26, 0x21, 0x18, 0x16, 0x27,
0x1D, 0x28, 0x19, 0x1A, 0x22, 0x29, 0x23, 0x1B,
0x03, 0x1C, 0x17, 0x1D, 0x05,
},
{
0x02, 0x03, 0x0F, 0x04, 0x00, 0x05, 0x0C, 0x0D,
0x0E, 0x06, 0x07, 0x0F, 0x1E, 0x10, 0x10, 0x08,
0x11, 0x12, 0x13, 0x09, 0x03, 0x0A, 0x11, 0x0B,
0x01, 0x0C, 0x14, 0x15, 0x16, 0x0D, 0x17, 0x12,
0x0E, 0x13, 0x18, 0x19, 0x14, 0x0F, 0x10, 0x1A,
0x1B, 0x15, 0x11, 0x16, 0x1C, 0x0E, 0x1D, 0x1E,
0x1F, 0x0F, 0x12, 0x20, 0x1F, 0x21, 0x13, 0x22,
0x12, 0x13, 0x14, 0x23, 0x20, 0x15, 0x0F, 0x16,
0x21, 0x24, 0x17, 0x18, 0x19, 0x25, 0x14, 0x26,
0x22, 0x27, 0x15, 0x10, 0x28, 0x29, 0x2A, 0x11,
0x2B, 0x17, 0x1A, 0x18, 0x2C, 0x2D, 0x1B, 0x1C,
0x19, 0x2E, 0x2F, 0x1A, 0x1D, 0x1B, 0x30, 0x12,
0x31, 0x32, 0x33, 0x13, 0x02, 0x14, 0x15, 0x16,
0x04, 0x17, 0x34, 0x35, 0x36, 0x18, 0x16, 0x37,
0x23, 0x38, 0x19, 0x1A, 0x39, 0x3A, 0x3B, 0x1B,
0x03, 0x1C, 0x17, 0x1D, 0x05,
}
};
static const int8_t mpc8_q2_bits[2][MPC8_Q2_SIZE] = {
{
12, 11, 10, 11, 13, 11, 9, 8,
9, 11, 11, 8, 7, 8, 11, 11,
9, 8, 9, 11, 12, 11, 10, 11,
13, 11, 9, 8, 9, 11, 9, 6,
6, 7, 9, 8, 6, 4, 6, 8,
9, 6, 6, 7, 9, 11, 9, 8,
9, 11, 10, 8, 7, 8, 10, 8,
6, 4, 6, 8, 7, 4, 3, 4,
7, 8, 6, 4, 6, 8, 10, 8,
7, 8, 10, 11, 9, 8, 9, 11,
9, 6, 6, 6, 9, 8, 6, 4,
6, 8, 9, 7, 6, 6, 9, 11,
9, 8, 9, 11, 13, 11, 10, 11,
12, 11, 9, 8, 9, 11, 10, 8,
7, 8, 11, 11, 9, 8, 9, 11,
13, 11, 10, 11, 12,
},
{
11, 10, 9, 10, 12, 10, 8, 8,
8, 10, 10, 8, 7, 8, 9, 10,
8, 8, 8, 10, 11, 10, 9, 10,
12, 10, 8, 8, 8, 10, 8, 6,
5, 6, 8, 8, 6, 5, 5, 8,
8, 6, 5, 6, 8, 10, 8, 8,
8, 10, 9, 8, 7, 8, 9, 8,
5, 5, 5, 8, 7, 5, 4, 5,
7, 8, 5, 5, 5, 8, 9, 8,
7, 8, 9, 10, 8, 8, 8, 10,
8, 6, 5, 6, 8, 8, 5, 5,
6, 8, 8, 6, 5, 6, 8, 10,
8, 8, 8, 10, 12, 10, 10, 10,
11, 10, 8, 8, 8, 10, 9, 8,
7, 8, 10, 10, 8, 8, 8, 10,
12, 10, 9, 10, 11,
}
};
#define MPC8_Q3_SIZE 49
#define MPC8_Q3_BITS 9
#define MPC8_Q3_OFFSET -48
static const uint8_t mpc8_q3_codes[MPC8_Q3_SIZE] = {
0x07, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x0F,
0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x13, 0x12, 0x11,
0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09,
0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A,
0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07,
0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01,
0x00,
};
static const int8_t mpc8_q3_bits[MPC8_Q3_SIZE] = {
3, 4, 4, 4, 4, 4, 4, 5,
5, 5, 5, 5, 5, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8,
8, 8, 8, 8, 8, 9, 9, 9,
9,
};
static const int8_t mpc8_q3_syms[MPC8_Q3_SIZE] = {
48, 65, 64, 49, 63, 32, 47, 80,
79, 50, 62, 33, 16, 82, 81, 95,
94, 66, 78, 34, 46, 17, 31, 30,
97, 96, 111, 67, 77, 51, 61, 35,
45, 18, 1, 0, 15, 98, 110, 83,
93, 19, 29, 2, 14, 99, 109, 3,
13,
};
#define MPC8_Q4_SIZE 81
#define MPC8_Q4_BITS 9
#define MPC8_Q4_OFFSET -64
static const uint8_t mpc8_q4_codes[MPC8_Q4_SIZE] = {
0x0F, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x17,
0x16, 0x15, 0x14, 0x13, 0x12, 0x23, 0x22, 0x21,
0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19,
0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11,
0x10, 0x0F, 0x0E, 0x0D, 0x19, 0x18, 0x17, 0x16,
0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E,
0x0D, 0x0C, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12,
0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A,
0x09, 0x08, 0x07, 0x06, 0x05, 0x09, 0x08, 0x07,
0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0x02, 0x01,
0x00,
};
static const int8_t mpc8_q4_bits[MPC8_Q4_SIZE] = {
4, 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, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 9, 9, 9,
9, 9, 9, 9, 9, 10, 10, 10,
10,
};
static const int8_t mpc8_q4_syms[MPC8_Q4_SIZE] = {
64, 96, 81, 80, 95, 66, 65, 79,
78, 49, 48, 63, 32, 113, 112, 98,
97, 111, 110, 83, 82, 94, 93, 67,
77, 51, 50, 62, 61, 34, 33, 47,
46, 17, 16, 31, 128, 114, 127, 126,
99, 109, 68, 76, 35, 45, 18, 30,
0, 15, 130, 129, 143, 142, 115, 125,
100, 108, 84, 92, 52, 60, 36, 44,
19, 29, 2, 1, 14, 131, 141, 116,
124, 20, 28, 3, 13, 132, 140, 4,
12,
};
#define MPC8_Q5_SIZE 15
#define MPC8_Q5_BITS 7
#define MPC8_Q5_OFFSET -7
static const uint8_t mpc8_q5_codes[2][MPC8_Q5_SIZE] = {
{
0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03,
0x04, 0x05, 0x03, 0x03, 0x03, 0x02, 0x03,
},
{
0x00, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x05,
0x06, 0x07, 0x04, 0x05, 0x03, 0x02, 0x03,
}
};
static const int8_t mpc8_q5_bits[2][MPC8_Q5_SIZE] = {
{
7, 7, 6, 5, 4, 3, 3, 2,
3, 3, 4, 5, 6, 7, 7,
},
{
6, 6, 5, 4, 4, 3, 3, 3,
3, 3, 4, 4, 5, 6, 6,
}
};
#define MPC8_Q6_SIZE 31
#define MPC8_Q6_BITS 9
#define MPC8_Q6_OFFSET -15
static const uint8_t mpc8_q6_codes[2][MPC8_Q6_SIZE] = {
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x04, 0x03,
0x04, 0x05, 0x05, 0x06, 0x04, 0x05, 0x04, 0x03,
0x05, 0x06, 0x07, 0x07, 0x06, 0x07, 0x08, 0x09,
0x05, 0x06, 0x07, 0x04, 0x05, 0x06, 0x07,
},
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x04, 0x05, 0x04,
0x05, 0x06, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x07, 0x08, 0x09,
0x06, 0x07, 0x05, 0x06, 0x07, 0x02, 0x03,
}
};
static const int8_t mpc8_q6_bits[2][MPC8_Q6_SIZE] = {
{
9, 9, 9, 9, 8, 8, 7, 6,
6, 6, 5, 5, 4, 4, 3, 2,
3, 4, 4, 5, 6, 6, 6, 6,
7, 8, 8, 9, 9, 9, 9,
},
{
8, 8, 7, 7, 7, 6, 6, 5,
5, 5, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 5, 5, 5,
6, 6, 7, 7, 7, 8, 8,
}
};
#define MPC8_Q7_SIZE 63
#define MPC8_Q7_BITS 9
#define MPC8_Q7_OFFSET -31
static const uint8_t mpc8_q7_codes[2][MPC8_Q7_SIZE] = {
{
0x00, 0x01, 0x02, 0x08, 0x09, 0x03, 0x04, 0x05,
0x06, 0x07, 0x0A, 0x0B, 0x0C, 0x0D, 0x0A, 0x0B,
0x0C, 0x0D, 0x0E, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
0x0A, 0x0B, 0x0C, 0x08, 0x09, 0x06, 0x04, 0x03,
0x05, 0x07, 0x0A, 0x0B, 0x0D, 0x0E, 0x0F, 0x0F,
0x10, 0x11, 0x12, 0x0F, 0x13, 0x10, 0x11, 0x12,
0x13, 0x0E, 0x0F, 0x10, 0x11, 0x08, 0x09, 0x0A,
0x0B, 0x0C, 0x12, 0x13, 0x0D, 0x0E, 0x0F,
},
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x09, 0x0A,
0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x0C, 0x0D,
0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D,
0x1E, 0x1F, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x09, 0x0A,
0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x02, 0x03,
}
};
static const int8_t mpc8_q7_bits[2][MPC8_Q7_SIZE] = {
{
10, 10, 10, 9, 9, 10, 10, 10,
10, 10, 9, 9, 9, 9, 8, 8,
8, 8, 8, 7, 7, 7, 7, 7,
6, 6, 6, 5, 5, 4, 3, 2,
3, 4, 5, 5, 6, 6, 6, 7,
7, 7, 7, 8, 7, 8, 8, 8,
8, 9, 9, 9, 9, 10, 10, 10,
10, 10, 9, 9, 10, 10, 10,
},
{
9, 9, 8, 8, 8, 8, 8, 8,
8, 7, 7, 7, 7, 7, 6, 6,
6, 6, 6, 6, 6, 6, 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, 7, 7, 7, 7, 7, 8, 8,
8, 8, 8, 8, 8, 9, 9,
}
};
#define MPC8_Q8_SIZE 127
#define MPC8_Q8_BITS 9
#define MPC8_Q8_OFFSET -63
static const uint8_t mpc8_q8_codes[2][MPC8_Q8_SIZE] = {
{
0x03, 0x04, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x1A,
0x0F, 0x1B, 0x10, 0x00, 0x01, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x11, 0x0C, 0x12, 0x13,
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1C, 0x1A,
0x1B, 0x1C, 0x1D, 0x1E, 0x1D, 0x1E, 0x1F, 0x20,
0x21, 0x22, 0x23, 0x24, 0x19, 0x25, 0x1A, 0x1B,
0x1C, 0x1D, 0x1E, 0x1F, 0x14, 0x15, 0x16, 0x17,
0x0E, 0x0F, 0x10, 0x11, 0x0B, 0x07, 0x04, 0x03,
0x05, 0x0C, 0x0D, 0x12, 0x13, 0x14, 0x15, 0x18,
0x19, 0x1A, 0x1B, 0x20, 0x21, 0x22, 0x23, 0x24,
0x25, 0x26, 0x27, 0x26, 0x27, 0x28, 0x29, 0x2A,
0x2B, 0x2C, 0x2D, 0x2E, 0x1F, 0x20, 0x2F, 0x21,
0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29,
0x0D, 0x0E, 0x2A, 0x0F, 0x10, 0x11, 0x12, 0x02,
0x13, 0x03, 0x04, 0x05, 0x2B, 0x2C, 0x30, 0x31,
0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
},
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16,
0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E,
0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E,
0x2F, 0x30, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
0x3C, 0x3D, 0x3E, 0x31, 0x3F, 0x32, 0x33, 0x34,
0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,
0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x16,
0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E,
0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
0x27, 0x28, 0x29, 0x04, 0x05, 0x06, 0x07,
}
};
static const int8_t mpc8_q8_bits[2][MPC8_Q8_SIZE] = {
{
11, 11, 10, 10, 10, 10, 10, 9,
10, 9, 10, 12, 12, 11, 11, 11,
11, 11, 11, 11, 10, 11, 10, 10,
10, 10, 10, 10, 10, 10, 9, 10,
10, 10, 10, 10, 9, 9, 9, 9,
9, 9, 9, 9, 8, 9, 8, 8,
8, 8, 8, 8, 7, 7, 7, 7,
6, 6, 6, 6, 5, 4, 3, 2,
3, 5, 5, 6, 6, 6, 6, 7,
7, 7, 7, 8, 8, 8, 8, 8,
8, 8, 8, 9, 9, 9, 9, 9,
9, 9, 9, 9, 10, 10, 9, 10,
10, 10, 10, 10, 10, 10, 10, 10,
11, 11, 10, 11, 11, 11, 11, 12,
11, 12, 12, 12, 10, 10, 9, 9,
10, 10, 10, 10, 10, 10, 10,
},
{
9, 9, 9, 9, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 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, 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, 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, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 9, 9, 9, 9,
}
};
#endif /* FFMPEG_MPC8HUFF_H */

1
libavformat/Makefile
Unescape View File

@ -86,6 +86,7 @@ OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o
OBJS-$(CONFIG_MP3_MUXER) += mp3.o OBJS-$(CONFIG_MP3_MUXER) += mp3.o
OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o
OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o
OBJS-$(CONFIG_MPC8_DEMUXER) += mpc8.o
OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o
OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o
OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o

1
libavformat/allformats.c
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@ -104,6 +104,7 @@ void av_register_all(void)
REGISTER_MUXDEMUX (MP3, mp3); REGISTER_MUXDEMUX (MP3, mp3);
REGISTER_MUXER (MP4, mp4); REGISTER_MUXER (MP4, mp4);
REGISTER_DEMUXER (MPC, mpc); REGISTER_DEMUXER (MPC, mpc);
REGISTER_DEMUXER (MPC8, mpc8);
REGISTER_MUXER (MPEG1SYSTEM, mpeg1system); REGISTER_MUXER (MPEG1SYSTEM, mpeg1system);
REGISTER_MUXER (MPEG1VCD, mpeg1vcd); REGISTER_MUXER (MPEG1VCD, mpeg1vcd);
REGISTER_MUXER (MPEG1VIDEO, mpeg1video); REGISTER_MUXER (MPEG1VIDEO, mpeg1video);

4
libavformat/avformat.h
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@ -21,8 +21,8 @@
#ifndef FFMPEG_AVFORMAT_H #ifndef FFMPEG_AVFORMAT_H
#define FFMPEG_AVFORMAT_H #define FFMPEG_AVFORMAT_H
#define LIBAVFORMAT_VERSION_INT ((51<<16)+(17<<8)+1) #define LIBAVFORMAT_VERSION_INT ((51<<16)+(18<<8)+0)
#define LIBAVFORMAT_VERSION 51.17.1 #define LIBAVFORMAT_VERSION 51.18.0
#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT #define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION) #define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)

244
libavformat/mpc8.c
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@ -0,0 +1,244 @@
/*
* Musepack SV8 demuxer
* Copyright (c) 2007 Konstantin Shishkov
*
* 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 "avformat.h"
#include "bitstream.h"
#include "unary.h"
/// Two-byte MPC tag
#define MKMPCTAG(a, b) (a | (b << 8))
#define TAG_MPCK MKTAG('M','P','C','K')
/// Reserved MPC tags
enum MPCPacketTags{
TAG_STREAMHDR = MKMPCTAG('S','H'),
TAG_STREAMEND = MKMPCTAG('S','E'),
TAG_AUDIOPACKET = MKMPCTAG('A','P'),
TAG_SEEKTBLOFF = MKMPCTAG('S','O'),
TAG_SEEKTABLE = MKMPCTAG('S','T'),
TAG_REPLAYGAIN = MKMPCTAG('R','G'),
TAG_ENCINFO = MKMPCTAG('E','I'),
};
static const int mpc8_rate[8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 };
typedef struct {
int ver;
int frame;
int64_t header_pos;
int64_t samples;
} MPCContext;
static int mpc8_probe(AVProbeData *p)
{
if (AV_RL32(p->buf) == TAG_MPCK)
return AVPROBE_SCORE_MAX;
return 0;
}
static inline int64_t gb_get_v(GetBitContext *gb)
{
int64_t v = 0;
int bits = 0;
while(get_bits1(gb) && bits < 64-7){
v <<= 7;
v |= get_bits(gb, 7);
bits += 7;
}
v <<= 7;
v |= get_bits(gb, 7);
return v;
}
static void mpc8_get_chunk_header(ByteIOContext *pb, int *tag, int64_t *size)
{
int64_t pos;
pos = url_ftell(pb);
*tag = get_le16(pb);
*size = ff_get_v(pb);
*size -= url_ftell(pb) - pos;
}
static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
{
MPCContext *c = s->priv_data;
int tag;
int64_t size, pos, ppos[2];
uint8_t *buf;
int i, t, seekd;
GetBitContext gb;
url_fseek(&s->pb, off, SEEK_SET);
mpc8_get_chunk_header(&s->pb, &tag, &size);
if(tag != TAG_SEEKTABLE){
av_log(s, AV_LOG_ERROR, "No seek table at given position\n");
return;
}
if(!(buf = av_malloc(size)))
return;
get_buffer(&s->pb, buf, size);
init_get_bits(&gb, buf, size * 8);
size = gb_get_v(&gb);
if(size > UINT_MAX/4 || size > c->samples/1152){
av_log(s, AV_LOG_ERROR, "Seek table is too big\n");
return;
}
seekd = get_bits(&gb, 4);
for(i = 0; i < 2; i++){
pos = gb_get_v(&gb) + c->header_pos;
ppos[1 - i] = pos;
av_add_index_entry(s->streams[0], pos, i, 0, 0, AVINDEX_KEYFRAME);
}
for(; i < size; i++){
t = get_unary(&gb, 1, 33) << 12;
t += get_bits(&gb, 12);
if(t & 1)
t = -(t & ~1);
pos = (t >> 1) + ppos[0]*2 - ppos[1];
av_add_index_entry(s->streams[0], pos, i << seekd, 0, 0, AVINDEX_KEYFRAME);
ppos[1] = ppos[0];
ppos[0] = pos;
}
av_free(buf);
}
static void mpc8_handle_chunk(AVFormatContext *s, int tag, int64_t chunk_pos, int64_t size)
{
ByteIOContext *pb = &s->pb;
int64_t pos, off;
switch(tag){
case TAG_SEEKTBLOFF:
pos = url_ftell(pb) + size;
off = ff_get_v(pb);
mpc8_parse_seektable(s, chunk_pos + off);
url_fseek(pb, pos, SEEK_SET);
break;
default:
url_fskip(pb, size);
}
}
static int mpc8_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
MPCContext *c = s->priv_data;
ByteIOContext *pb = &s->pb;
AVStream *st;
int tag = 0;
int64_t size, pos;
c->header_pos = url_ftell(pb);
if(get_le32(pb) != TAG_MPCK){
av_log(s, AV_LOG_ERROR, "Not a Musepack8 file\n");
return -1;
}
while(!url_feof(pb)){
pos = url_ftell(pb);
mpc8_get_chunk_header(pb, &tag, &size);
if(tag == TAG_STREAMHDR)
break;
mpc8_handle_chunk(s, tag, pos, size);
}
if(tag != TAG_STREAMHDR){
av_log(s, AV_LOG_ERROR, "Stream header not found\n");
return -1;
}
pos = url_ftell(pb);
url_fskip(pb, 4); //CRC
c->ver = get_byte(pb);
if(c->ver != 8){
av_log(s, AV_LOG_ERROR, "Unknown stream version %d\n", c->ver);
return -1;
}
c->samples = ff_get_v(pb);
ff_get_v(pb); //silence samples at the beginning
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_MUSEPACK8;
st->codec->bits_per_sample = 16;
st->codec->extradata_size = 2;
st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
st->codec->channels = (st->codec->extradata[1] >> 4) + 1;
st->codec->sample_rate = mpc8_rate[st->codec->extradata[0] >> 5];
av_set_pts_info(st, 32, 1152 << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
size -= url_ftell(pb) - pos;
return 0;
}
static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MPCContext *c = s->priv_data;
int tag;
int64_t pos, size;
while(!url_feof(&s->pb)){
pos = url_ftell(&s->pb);
mpc8_get_chunk_header(&s->pb, &tag, &size);
if(tag == TAG_AUDIOPACKET){
if(av_get_packet(&s->pb, pkt, size) < 0)
return AVERROR(ENOMEM);
pkt->stream_index = 0;
pkt->pts = c->frame;
return 0;
}
if(tag == TAG_STREAMEND)
return AVERROR(EIO);
mpc8_handle_chunk(s, tag, pos, size);
}
return 0;
}
static int mpc8_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
{
AVStream *st = s->streams[stream_index];
MPCContext *c = s->priv_data;
int index = av_index_search_timestamp(st, timestamp, flags);
if(index < 0) return -1;
url_fseek(&s->pb, st->index_entries[index].pos, SEEK_SET);
c->frame = st->index_entries[index].timestamp;
return 0;
}
AVInputFormat mpc8_demuxer = {
"mpc8",
"musepack8",
sizeof(MPCContext),
mpc8_probe,
mpc8_read_header,
mpc8_read_packet,
NULL,
mpc8_read_seek,
};
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