get rid of the last svn mentions
[libav.git] / libavformat / isom.c
CommitLineData
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1/*
2 * ISO Media common code
406792e7 3 * Copyright (c) 2001 Fabrice Bellard
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4 * Copyright (c) 2002 Francois Revol <revol@free.fr>
5 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6 *
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7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
b78e7197 12 * version 2.1 of the License, or (at your option) any later version.
e40ee6a2 13 *
b78e7197 14 * FFmpeg is distributed in the hope that it will be useful,
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15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
b78e7197 20 * License along with FFmpeg; if not, write to the Free Software
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21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
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24//#define DEBUG
25
e40ee6a2 26#include "avformat.h"
80b39e1c 27#include "internal.h"
e40ee6a2 28#include "isom.h"
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29#include "riff.h"
30#include "libavcodec/mpeg4audio.h"
31#include "libavcodec/mpegaudiodata.h"
e40ee6a2 32
7555d2e6 33/* http://www.mp4ra.org */
efc9e44d 34/* ordered by muxing preference */
ccba88d7 35const AVCodecTag ff_mp4_obj_type[] = {
f6204886 36 { CODEC_ID_MOV_TEXT , 0x08 },
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37 { CODEC_ID_MPEG4 , 0x20 },
38 { CODEC_ID_H264 , 0x21 },
39 { CODEC_ID_AAC , 0x40 },
c3988a59 40 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
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41 { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
42 { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
43 { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
44 { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */
45 { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */
46 { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */
47 { CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
48 { CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
49 { CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
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50 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
5180b027 52 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
2f980d2a 53 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
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54 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55 { CODEC_ID_PNG , 0x6D },
56 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57 { CODEC_ID_VC1 , 0xA3 },
c3b13251 58 { CODEC_ID_DIRAC , 0xA4 },
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59 { CODEC_ID_AC3 , 0xA5 },
60 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
61 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
62 { CODEC_ID_QCELP , 0xE1 },
bc2d2a07 63 { CODEC_ID_NONE , 0 },
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64};
65
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66const AVCodecTag codec_movvideo_tags[] = {
67/* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
68
69 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
3dd2f87e 70 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
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71 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
72 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
42022e03 73 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
1e5f5e3b 74
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75 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
76 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
77 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
78 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
79 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
80 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
81 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
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82 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
83 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
414ba8e3 84
43836928 85 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
4aaab0a3 86 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
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87 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
88
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89 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
90 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
91 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
92/* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
c3ebc833 93 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
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94 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
95
96 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
97 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
98 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
99 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
100
101 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
102 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
103 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
104 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
105
106 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
107 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
108
109 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
110 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
111 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
112 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
113 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
114 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
bea6c1ec 115 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
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116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
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118 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
119 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
120 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
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121 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
122 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
123 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
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124
125 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
126 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
127 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
128 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
129 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
130 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
131 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
132 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
133
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134 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
135
1e5f5e3b 136 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
35d7d6f7 137 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC Intra 50 / 1080 interlace */
8f935b92 138 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC Intra 50 / 720 */
35d7d6f7 139 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC Intra 100 / 1080 interlace */
8f935b92 140 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC Intra 100 / 720 */
35d7d6f7 141 { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC Intra 100 / 1080 */
1e5f5e3b 142
3432c263 143 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
1e5f5e3b 144 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
d8e45640 145 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
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146 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
147 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
148 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
149 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
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150 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
151 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
152 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
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153 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
154 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
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155 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
156 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
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157 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
158 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
c9b87628 159 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
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160 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
163 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
164 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
8d27c5f8 168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
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169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
1e5f5e3b 182 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
1e5f5e3b 183
18cb36fd 184 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
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185
186 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
187 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
188 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
189 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
190
191 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
d4fdba0d 192 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
1e5f5e3b 193
c3b13251 194 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
c06136e0 195 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
a0ae3e41 196 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
59ea69ef 197 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
2d99eed1 198 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
94d3d6a4 199 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
c06136e0 200
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201 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
202 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
203 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
204 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
205 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
206
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207 { CODEC_ID_NONE, 0 },
208};
209
210const AVCodecTag codec_movaudio_tags[] = {
211 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
212 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
213 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
214 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
215 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
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216 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
217 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
a1ef2c4b 218 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
7c4b7d0f 219 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
a1ef2c4b 220 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
7c4b7d0f 221 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
36264d35 222 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
1e5f5e3b 223 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
bffcf2eb 224 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
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225 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
226 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
227
228 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
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229
230 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
231 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
232
0b389aee 233 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
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234 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
235
1e5f5e3b 236 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
0174f514 237 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
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238
239/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
240
241 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
d4a240cb 242 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
34edd994 243 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
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244
245 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
246 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
247
5610f20e 248 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
1e5f5e3b 249 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
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250
251 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
be43ae66 252 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
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253 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
254
ed19fafd 255 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */
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256 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
257
258 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
259 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
260
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261 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
262
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263 { CODEC_ID_NONE, 0 },
264};
265
1e3c9307 266const AVCodecTag ff_codec_movsubtitle_tags[] = {
cc8c2c6a 267 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
eb3ba13b 268 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
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269 { CODEC_ID_NONE, 0 },
270};
271
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272/* map numeric codes from mdhd atom to ISO 639 */
273/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
274/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
275/* deprecated by putting the code as 3*5bit ascii */
029ddf33 276static const char mov_mdhd_language_map[][4] = {
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277 /* 0-9 */
278 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
279 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
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280 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
281 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
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282 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
283 /*?*/
029ddf33 284 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
e40ee6a2 285 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
029ddf33 286 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
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287 /* roman? arabic? */
288 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
289 /*==rundi?*/
029ddf33 290 "", "run", "", "mlg", "epo", "", "", "", "", "",
e40ee6a2 291 /* 100 */
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292 "", "", "", "", "", "", "", "", "", "",
293 "", "", "", "", "", "", "", "", "", "",
294 "", "", "", "", "", "", "", "", "wel", "baq",
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295 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
296};
297
1c90d298 298int ff_mov_iso639_to_lang(const char lang[4], int mp4)
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299{
300 int i, code = 0;
301
302 /* old way, only for QT? */
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303 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
304 if (!strcmp(lang, mov_mdhd_language_map[i]))
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305 return i;
306 }
307 /* XXX:can we do that in mov too? */
308 if (!mp4)
2904fd39 309 return -1;
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310 /* handle undefined as such */
311 if (lang[0] == '\0')
312 lang = "und";
313 /* 5bit ascii */
314 for (i = 0; i < 3; i++) {
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315 uint8_t c = lang[i];
316 c -= 0x60;
317 if (c > 0x1f)
2904fd39 318 return -1;
e40ee6a2 319 code <<= 5;
832ec428 320 code |= c;
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321 }
322 return code;
323}
324
1c90d298 325int ff_mov_lang_to_iso639(unsigned code, char to[4])
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326{
327 int i;
1c90d298 328 memset(to, 0, 4);
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329 /* is it the mangled iso code? */
330 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
331 if (code > 138) {
332 for (i = 2; i >= 0; i--) {
333 to[i] = 0x60 + (code & 0x1f);
334 code >>= 5;
335 }
336 return 1;
337 }
338 /* old fashion apple lang code */
37d3e066 339 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
e40ee6a2 340 return 0;
029ddf33 341 if (!mov_mdhd_language_map[code][0])
e40ee6a2 342 return 0;
029ddf33 343 memcpy(to, mov_mdhd_language_map[code], 4);
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344 return 1;
345}
798c6fac 346
ae628ec1 347int ff_mp4_read_descr_len(AVIOContext *pb)
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348{
349 int len = 0;
350 int count = 4;
351 while (count--) {
b7effd4e 352 int c = avio_r8(pb);
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353 len = (len << 7) | (c & 0x7f);
354 if (!(c & 0x80))
355 break;
356 }
357 return len;
358}
359
ae628ec1 360int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
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361{
362 int len;
b7effd4e 363 *tag = avio_r8(pb);
798c6fac 364 len = ff_mp4_read_descr_len(pb);
dfd2a005 365 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
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366 return len;
367}
368
369static const AVCodecTag mp4_audio_types[] = {
370 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
371 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
372 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
373 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
374 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
375 { CODEC_ID_NONE, AOT_NULL },
376};
377
ae628ec1 378int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
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379{
380 int len, tag;
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381 int object_type_id = avio_r8(pb);
382 avio_r8(pb); /* stream type */
383 avio_rb24(pb); /* buffer size db */
384 avio_rb32(pb); /* max bitrate */
385 avio_rb32(pb); /* avg bitrate */
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386
387 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
dfd2a005 388 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
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389 len = ff_mp4_read_descr(fc, pb, &tag);
390 if (tag == MP4DecSpecificDescrTag) {
dfd2a005 391 av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
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392 if((uint64_t)len > (1<<30))
393 return -1;
394 av_free(st->codec->extradata);
395 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
396 if (!st->codec->extradata)
397 return AVERROR(ENOMEM);
b7effd4e 398 avio_read(pb, st->codec->extradata, len);
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399 st->codec->extradata_size = len;
400 if (st->codec->codec_id == CODEC_ID_AAC) {
401 MPEG4AudioConfig cfg;
402 ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
403 st->codec->extradata_size);
404 st->codec->channels = cfg.channels;
405 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
406 st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
407 else if (cfg.ext_sample_rate)
408 st->codec->sample_rate = cfg.ext_sample_rate;
409 else
410 st->codec->sample_rate = cfg.sample_rate;
dfd2a005 411 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
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412 "sample rate %d ext sample rate %d\n", st->codec->channels,
413 cfg.object_type, cfg.ext_object_type,
414 cfg.sample_rate, cfg.ext_sample_rate);
415 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
416 cfg.object_type)))
417 st->codec->codec_id = CODEC_ID_AAC;
418 }
419 }
420 return 0;
421}