VC1: merge idct8x8, coeff adjustments and put_pixels.
[libav.git] / libavformat / isom.c
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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 */
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137 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* Flip4Mac AVC Intra 50 */
138 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* Flip4Mac AVC Intra 100 */
1e5f5e3b 139
3432c263 140 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
1e5f5e3b 141 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
d8e45640 142 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
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143 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
144 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
145 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
146 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
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147 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
148 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
149 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
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150 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
151 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
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152 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
153 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
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154 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
155 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
c9b87628 156 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
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157 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
158 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
159 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
160 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
163 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
164 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
8d27c5f8 165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
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166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
1e5f5e3b 179 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
1e5f5e3b 180
18cb36fd 181 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
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182
183 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
184 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
185 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
186 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
187
188 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
d4fdba0d 189 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
1e5f5e3b 190
c3b13251 191 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
c06136e0 192 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
a0ae3e41 193 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
59ea69ef 194 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
2d99eed1 195 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
94d3d6a4 196 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
c06136e0 197
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198 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
199 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
200 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
201 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
202 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
203
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204 { CODEC_ID_NONE, 0 },
205};
206
207const AVCodecTag codec_movaudio_tags[] = {
208 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
209 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
210 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
211 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
212 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
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213 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
214 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
a1ef2c4b 215 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
7c4b7d0f 216 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
a1ef2c4b 217 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
7c4b7d0f 218 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
36264d35 219 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
1e5f5e3b 220 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
bffcf2eb 221 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
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222 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
223 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
224
225 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
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226
227 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
228 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
229
0b389aee 230 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
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231 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
232
1e5f5e3b 233 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
0174f514 234 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
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235
236/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
237
238 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
d4a240cb 239 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
34edd994 240 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
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241
242 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
243 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
244
5610f20e 245 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
1e5f5e3b 246 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
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247
248 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
be43ae66 249 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
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250 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
251
ed19fafd 252 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */
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253 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
254
255 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
256 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
257
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258 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
259
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260 { CODEC_ID_NONE, 0 },
261};
262
1e3c9307 263const AVCodecTag ff_codec_movsubtitle_tags[] = {
cc8c2c6a 264 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
eb3ba13b 265 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
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266 { CODEC_ID_NONE, 0 },
267};
268
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269/* map numeric codes from mdhd atom to ISO 639 */
270/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
271/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
272/* deprecated by putting the code as 3*5bit ascii */
029ddf33 273static const char mov_mdhd_language_map[][4] = {
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274 /* 0-9 */
275 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
276 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
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277 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
278 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
e40ee6a2
BC
279 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
280 /*?*/
029ddf33 281 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
e40ee6a2 282 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
029ddf33 283 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
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BC
284 /* roman? arabic? */
285 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
286 /*==rundi?*/
029ddf33 287 "", "run", "", "mlg", "epo", "", "", "", "", "",
e40ee6a2 288 /* 100 */
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289 "", "", "", "", "", "", "", "", "", "",
290 "", "", "", "", "", "", "", "", "", "",
291 "", "", "", "", "", "", "", "", "wel", "baq",
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BC
292 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
293};
294
1c90d298 295int ff_mov_iso639_to_lang(const char lang[4], int mp4)
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296{
297 int i, code = 0;
298
299 /* old way, only for QT? */
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RD
300 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
301 if (!strcmp(lang, mov_mdhd_language_map[i]))
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BC
302 return i;
303 }
304 /* XXX:can we do that in mov too? */
305 if (!mp4)
2904fd39 306 return -1;
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BC
307 /* handle undefined as such */
308 if (lang[0] == '\0')
309 lang = "und";
310 /* 5bit ascii */
311 for (i = 0; i < 3; i++) {
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RD
312 uint8_t c = lang[i];
313 c -= 0x60;
314 if (c > 0x1f)
2904fd39 315 return -1;
e40ee6a2 316 code <<= 5;
832ec428 317 code |= c;
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BC
318 }
319 return code;
320}
321
1c90d298 322int ff_mov_lang_to_iso639(unsigned code, char to[4])
e40ee6a2
BC
323{
324 int i;
1c90d298 325 memset(to, 0, 4);
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BC
326 /* is it the mangled iso code? */
327 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
328 if (code > 138) {
329 for (i = 2; i >= 0; i--) {
330 to[i] = 0x60 + (code & 0x1f);
331 code >>= 5;
332 }
333 return 1;
334 }
335 /* old fashion apple lang code */
37d3e066 336 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
e40ee6a2 337 return 0;
029ddf33 338 if (!mov_mdhd_language_map[code][0])
e40ee6a2 339 return 0;
029ddf33 340 memcpy(to, mov_mdhd_language_map[code], 4);
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BC
341 return 1;
342}
798c6fac 343
ae628ec1 344int ff_mp4_read_descr_len(AVIOContext *pb)
798c6fac
BC
345{
346 int len = 0;
347 int count = 4;
348 while (count--) {
349 int c = get_byte(pb);
350 len = (len << 7) | (c & 0x7f);
351 if (!(c & 0x80))
352 break;
353 }
354 return len;
355}
356
ae628ec1 357int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
798c6fac
BC
358{
359 int len;
360 *tag = get_byte(pb);
361 len = ff_mp4_read_descr_len(pb);
dfd2a005 362 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
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BC
363 return len;
364}
365
366static const AVCodecTag mp4_audio_types[] = {
367 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
368 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
369 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
370 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
371 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
372 { CODEC_ID_NONE, AOT_NULL },
373};
374
ae628ec1 375int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
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BC
376{
377 int len, tag;
378 int object_type_id = get_byte(pb);
379 get_byte(pb); /* stream type */
380 get_be24(pb); /* buffer size db */
381 get_be32(pb); /* max bitrate */
382 get_be32(pb); /* avg bitrate */
383
384 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
dfd2a005 385 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
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BC
386 len = ff_mp4_read_descr(fc, pb, &tag);
387 if (tag == MP4DecSpecificDescrTag) {
dfd2a005 388 av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
798c6fac
BC
389 if((uint64_t)len > (1<<30))
390 return -1;
391 av_free(st->codec->extradata);
392 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
393 if (!st->codec->extradata)
394 return AVERROR(ENOMEM);
395 get_buffer(pb, st->codec->extradata, len);
396 st->codec->extradata_size = len;
397 if (st->codec->codec_id == CODEC_ID_AAC) {
398 MPEG4AudioConfig cfg;
399 ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
400 st->codec->extradata_size);
401 st->codec->channels = cfg.channels;
402 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
403 st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
404 else if (cfg.ext_sample_rate)
405 st->codec->sample_rate = cfg.ext_sample_rate;
406 else
407 st->codec->sample_rate = cfg.sample_rate;
dfd2a005 408 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
798c6fac
BC
409 "sample rate %d ext sample rate %d\n", st->codec->channels,
410 cfg.object_type, cfg.ext_object_type,
411 cfg.sample_rate, cfg.ext_sample_rate);
412 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
413 cfg.object_type)))
414 st->codec->codec_id = CODEC_ID_AAC;
415 }
416 }
417 return 0;
418}