ccf4ca1e842e14eb3ea8ae880657f2f8769d886c
[libav.git] / libavformat / isom.c
1 /*
2 * ISO Media common code
3 * Copyright (c) 2001 Fabrice Bellard
4 * Copyright (c) 2002 Francois Revol <revol@free.fr>
5 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6 *
7 * This file is part of Libav.
8 *
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * Libav is distributed in the hope that it will be useful,
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
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 //#define DEBUG
25
26 #include "avformat.h"
27 #include "internal.h"
28 #include "isom.h"
29 #include "libavcodec/mpeg4audio.h"
30 #include "libavcodec/mpegaudiodata.h"
31
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34 const AVCodecTag ff_mp4_obj_type[] = {
35 { AV_CODEC_ID_MOV_TEXT , 0x08 },
36 { AV_CODEC_ID_MPEG4 , 0x20 },
37 { AV_CODEC_ID_H264 , 0x21 },
38 { AV_CODEC_ID_AAC , 0x40 },
39 { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
40 { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG2 Main */
41 { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG2 Simple */
42 { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG2 SNR */
43 { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG2 Spatial */
44 { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG2 High */
45 { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG2 422 */
46 { AV_CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
47 { AV_CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
48 { AV_CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
49 { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
50 { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
51 { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
52 { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
53 { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
54 { AV_CODEC_ID_PNG , 0x6D },
55 { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
56 { AV_CODEC_ID_VC1 , 0xA3 },
57 { AV_CODEC_ID_DIRAC , 0xA4 },
58 { AV_CODEC_ID_AC3 , 0xA5 },
59 { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
60 { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
61 { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
62 { AV_CODEC_ID_QCELP , 0xE1 },
63 { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
64 { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
65 { AV_CODEC_ID_NONE , 0 },
66 };
67
68 const AVCodecTag ff_codec_movvideo_tags[] = {
69 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
70
71 { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
72 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
73 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
74 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
75 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
76
77 { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
78 { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
79 { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
80 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
81 { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
82 { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
83 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
84 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
85 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
86 { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
87
88 { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
89 { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
90 { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
91 { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
92 { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
93
94 { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
95 { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
96 { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
97 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
98 { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
99 { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
100
101 { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
102 { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
103 { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
104 { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
105
106 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
107 { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
108 { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
109 { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
110
111 { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
112 { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
113
114 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
115 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
116 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
117 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
118 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
119 { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
120 { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
121 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
122 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
123 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
124 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
125 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
126 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
127 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
128 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
129
130 { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
131 { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
132 { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
133 { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
134 { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
135 { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
136 { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
137 { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
138
139 { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
140
141 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
142 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
143 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
144 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
145 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
146 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
147 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
148 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
149 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
150 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
151 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
152 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
153 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
154
155 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
156 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
157 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
158 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
159 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
160 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
161 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
162 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
163 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
164 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
165 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
166 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
167 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
168 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
169 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
170 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
171 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
172 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
173 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
174 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
175 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
176 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
177 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
178 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
179 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
180 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
181 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
182 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
183 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
184 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
185 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
186 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
187 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
188 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
189 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
190 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
191 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
192 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
193 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
194 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
195 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
196 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
197 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
198 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
199 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
200 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
201
202 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
203
204 { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
205 { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
206 { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
207 { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
208
209 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
210 { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
211
212 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
213 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
214 { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
215 { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
216 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
217 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
218 { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
219 { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
220
221 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
222 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
223 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
224 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
225 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
226
227 { AV_CODEC_ID_NONE, 0 },
228 };
229
230 const AVCodecTag ff_codec_movaudio_tags[] = {
231 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
232 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
233 { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
234 { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
235 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
236 { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
237 { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
238 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
239 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
240 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
241 { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
242 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
243 { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
244 { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
245 { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
246 { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
247 { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
248 { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
249 { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
250 { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
251 { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
252 { AV_CODEC_ID_MP3, 0x6D730055 },
253 { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
254 { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
255 { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
256 { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
257 { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
258 { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
259 { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
260 { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
261 { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
262 { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
263 { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
264 { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
265 { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
266 { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
267 { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
268 { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
269 { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
270 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
271 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
272 { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
273 { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
274 { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
275 { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
276 { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
277 { AV_CODEC_ID_NONE, 0 },
278 };
279
280 const AVCodecTag ff_codec_movsubtitle_tags[] = {
281 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
282 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
283 { AV_CODEC_ID_NONE, 0 },
284 };
285
286 /* map numeric codes from mdhd atom to ISO 639 */
287 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
288 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
289 /* deprecated by putting the code as 3*5bit ascii */
290 static const char mov_mdhd_language_map[][4] = {
291 /* 0-9 */
292 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
293 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
294 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
295 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
296 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
297 /*?*/
298 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
299 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
300 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
301 /* roman? arabic? */
302 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
303 /*==rundi?*/
304 "", "run", "", "mlg", "epo", "", "", "", "", "",
305 /* 100 */
306 "", "", "", "", "", "", "", "", "", "",
307 "", "", "", "", "", "", "", "", "", "",
308 "", "", "", "", "", "", "", "", "wel", "baq",
309 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
310 };
311
312 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
313 {
314 int i, code = 0;
315
316 /* old way, only for QT? */
317 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
318 if (!strcmp(lang, mov_mdhd_language_map[i]))
319 return i;
320 }
321 /* XXX:can we do that in mov too? */
322 if (!mp4)
323 return -1;
324 /* handle undefined as such */
325 if (lang[0] == '\0')
326 lang = "und";
327 /* 5bit ascii */
328 for (i = 0; i < 3; i++) {
329 uint8_t c = lang[i];
330 c -= 0x60;
331 if (c > 0x1f)
332 return -1;
333 code <<= 5;
334 code |= c;
335 }
336 return code;
337 }
338
339 int ff_mov_lang_to_iso639(unsigned code, char to[4])
340 {
341 int i;
342 memset(to, 0, 4);
343 /* is it the mangled iso code? */
344 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
345 if (code > 138) {
346 for (i = 2; i >= 0; i--) {
347 to[i] = 0x60 + (code & 0x1f);
348 code >>= 5;
349 }
350 return 1;
351 }
352 /* old fashion apple lang code */
353 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
354 return 0;
355 if (!mov_mdhd_language_map[code][0])
356 return 0;
357 memcpy(to, mov_mdhd_language_map[code], 4);
358 return 1;
359 }
360
361 int ff_mp4_read_descr_len(AVIOContext *pb)
362 {
363 int len = 0;
364 int count = 4;
365 while (count--) {
366 int c = avio_r8(pb);
367 len = (len << 7) | (c & 0x7f);
368 if (!(c & 0x80))
369 break;
370 }
371 return len;
372 }
373
374 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
375 {
376 int len;
377 *tag = avio_r8(pb);
378 len = ff_mp4_read_descr_len(pb);
379 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
380 return len;
381 }
382
383 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
384 {
385 int flags;
386 if (es_id) *es_id = avio_rb16(pb);
387 else avio_rb16(pb);
388 flags = avio_r8(pb);
389 if (flags & 0x80) //streamDependenceFlag
390 avio_rb16(pb);
391 if (flags & 0x40) { //URL_Flag
392 int len = avio_r8(pb);
393 avio_skip(pb, len);
394 }
395 if (flags & 0x20) //OCRstreamFlag
396 avio_rb16(pb);
397 }
398
399 static const AVCodecTag mp4_audio_types[] = {
400 { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
401 { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
402 { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
403 { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
404 { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
405 { AV_CODEC_ID_NONE, AOT_NULL },
406 };
407
408 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
409 {
410 int len, tag;
411 int object_type_id = avio_r8(pb);
412 avio_r8(pb); /* stream type */
413 avio_rb24(pb); /* buffer size db */
414 avio_rb32(pb); /* max bitrate */
415 avio_rb32(pb); /* avg bitrate */
416
417 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
418 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
419 len = ff_mp4_read_descr(fc, pb, &tag);
420 if (tag == MP4DecSpecificDescrTag) {
421 av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
422 if (!len || (uint64_t)len > (1<<30))
423 return -1;
424 av_free(st->codec->extradata);
425 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
426 if (!st->codec->extradata)
427 return AVERROR(ENOMEM);
428 avio_read(pb, st->codec->extradata, len);
429 st->codec->extradata_size = len;
430 if (st->codec->codec_id == AV_CODEC_ID_AAC) {
431 MPEG4AudioConfig cfg;
432 avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
433 st->codec->extradata_size * 8, 1);
434 st->codec->channels = cfg.channels;
435 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
436 st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
437 else if (cfg.ext_sample_rate)
438 st->codec->sample_rate = cfg.ext_sample_rate;
439 else
440 st->codec->sample_rate = cfg.sample_rate;
441 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
442 "sample rate %d ext sample rate %d\n", st->codec->channels,
443 cfg.object_type, cfg.ext_object_type,
444 cfg.sample_rate, cfg.ext_sample_rate);
445 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
446 cfg.object_type)))
447 st->codec->codec_id = AV_CODEC_ID_AAC;
448 }
449 }
450 return 0;
451 }