isom: remove commented-out tag for vorbis
[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 "riff.h"
30 #include "libavcodec/mpeg4audio.h"
31 #include "libavcodec/mpegaudiodata.h"
32
33 /* http://www.mp4ra.org */
34 /* ordered by muxing preference */
35 const AVCodecTag ff_mp4_obj_type[] = {
36 { CODEC_ID_MOV_TEXT , 0x08 },
37 { CODEC_ID_MPEG4 , 0x20 },
38 { CODEC_ID_H264 , 0x21 },
39 { CODEC_ID_AAC , 0x40 },
40 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
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 */
50 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
52 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
53 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
54 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55 { CODEC_ID_PNG , 0x6D },
56 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57 { CODEC_ID_VC1 , 0xA3 },
58 { CODEC_ID_DIRAC , 0xA4 },
59 { CODEC_ID_AC3 , 0xA5 },
60 { CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
61 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
62 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
63 { CODEC_ID_QCELP , 0xE1 },
64 { CODEC_ID_MPEG4SYSTEMS, 0x01 },
65 { CODEC_ID_MPEG4SYSTEMS, 0x02 },
66 { CODEC_ID_NONE , 0 },
67 };
68
69 const AVCodecTag codec_movvideo_tags[] = {
70 /* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
71
72 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
73 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
74 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
75 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
76 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
77
78 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
79 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
80 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
81 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
82 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
83 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
84 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
85 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
86 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
87 { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
88
89 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
90 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
91 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
92 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
93
94 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
95 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
96 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
97 /* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
98 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
99 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
100
101 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
102 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
103 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
104 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
105
106 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
107 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
108 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
109 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
110
111 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
112 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
113
114 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
115 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
118 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
119 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
120 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
121 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
122 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
123 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
128 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
129
130 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
131 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
132 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
133 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
134 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
135 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
136 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
137 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
138
139 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
140
141 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
142 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
143 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
144 { CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
145 { CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
146 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
147 { CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
148 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
149 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
150 { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
151 { CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
152 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
153 { CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
154
155 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
156 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
157 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
158 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
159 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
160 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
163 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
164 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
165 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
166 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
168 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
169 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
182 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
183 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
184 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
185 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
186 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
187 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
188 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
189 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
190 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
191 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
192 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
193 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
194 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
195 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
196
197 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
198
199 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
200 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
201 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
202 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
203
204 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
205 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
206
207 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
208 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
209 { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */
210 { CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
211 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
212 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
213 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
214 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
215
216 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
217 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
218 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
219 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
220 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
221
222 { CODEC_ID_NONE, 0 },
223 };
224
225 const AVCodecTag codec_movaudio_tags[] = {
226 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
227 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
228 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
229 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
230 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
231 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
232 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
233 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
234 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
235 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
236 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
237 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
238 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
239 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
240 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
241 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
242
243 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
244
245 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
246 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
247
248 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
249 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
250
251 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
252 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
253
254 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
255 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
256 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
257 { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */
258 { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
259
260 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
261 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
262
263 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
264 { CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
265 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
266
267 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
268 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
269 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
270
271 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */
272 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
273
274 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
275 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
276
277 { CODEC_ID_SPEEX, MKTAG('s','p','e','x') }, /* Flash Media Server */
278
279 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
280
281 { CODEC_ID_NONE, 0 },
282 };
283
284 const AVCodecTag ff_codec_movsubtitle_tags[] = {
285 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
286 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
287 { CODEC_ID_NONE, 0 },
288 };
289
290 /* map numeric codes from mdhd atom to ISO 639 */
291 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
292 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
293 /* deprecated by putting the code as 3*5bit ascii */
294 static const char mov_mdhd_language_map[][4] = {
295 /* 0-9 */
296 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
297 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
298 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
299 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
300 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
301 /*?*/
302 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
303 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
304 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
305 /* roman? arabic? */
306 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
307 /*==rundi?*/
308 "", "run", "", "mlg", "epo", "", "", "", "", "",
309 /* 100 */
310 "", "", "", "", "", "", "", "", "", "",
311 "", "", "", "", "", "", "", "", "", "",
312 "", "", "", "", "", "", "", "", "wel", "baq",
313 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
314 };
315
316 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
317 {
318 int i, code = 0;
319
320 /* old way, only for QT? */
321 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
322 if (!strcmp(lang, mov_mdhd_language_map[i]))
323 return i;
324 }
325 /* XXX:can we do that in mov too? */
326 if (!mp4)
327 return -1;
328 /* handle undefined as such */
329 if (lang[0] == '\0')
330 lang = "und";
331 /* 5bit ascii */
332 for (i = 0; i < 3; i++) {
333 uint8_t c = lang[i];
334 c -= 0x60;
335 if (c > 0x1f)
336 return -1;
337 code <<= 5;
338 code |= c;
339 }
340 return code;
341 }
342
343 int ff_mov_lang_to_iso639(unsigned code, char to[4])
344 {
345 int i;
346 memset(to, 0, 4);
347 /* is it the mangled iso code? */
348 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
349 if (code > 138) {
350 for (i = 2; i >= 0; i--) {
351 to[i] = 0x60 + (code & 0x1f);
352 code >>= 5;
353 }
354 return 1;
355 }
356 /* old fashion apple lang code */
357 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
358 return 0;
359 if (!mov_mdhd_language_map[code][0])
360 return 0;
361 memcpy(to, mov_mdhd_language_map[code], 4);
362 return 1;
363 }
364
365 int ff_mp4_read_descr_len(AVIOContext *pb)
366 {
367 int len = 0;
368 int count = 4;
369 while (count--) {
370 int c = avio_r8(pb);
371 len = (len << 7) | (c & 0x7f);
372 if (!(c & 0x80))
373 break;
374 }
375 return len;
376 }
377
378 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
379 {
380 int len;
381 *tag = avio_r8(pb);
382 len = ff_mp4_read_descr_len(pb);
383 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
384 return len;
385 }
386
387 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
388 {
389 int flags;
390 if (es_id) *es_id = avio_rb16(pb);
391 else avio_rb16(pb);
392 flags = avio_r8(pb);
393 if (flags & 0x80) //streamDependenceFlag
394 avio_rb16(pb);
395 if (flags & 0x40) { //URL_Flag
396 int len = avio_r8(pb);
397 avio_skip(pb, len);
398 }
399 if (flags & 0x20) //OCRstreamFlag
400 avio_rb16(pb);
401 }
402
403 static const AVCodecTag mp4_audio_types[] = {
404 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
405 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
406 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
407 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
408 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
409 { CODEC_ID_NONE, AOT_NULL },
410 };
411
412 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
413 {
414 int len, tag;
415 int object_type_id = avio_r8(pb);
416 avio_r8(pb); /* stream type */
417 avio_rb24(pb); /* buffer size db */
418 avio_rb32(pb); /* max bitrate */
419 avio_rb32(pb); /* avg bitrate */
420
421 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
422 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
423 len = ff_mp4_read_descr(fc, pb, &tag);
424 if (tag == MP4DecSpecificDescrTag) {
425 av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
426 if (!len || (uint64_t)len > (1<<30))
427 return -1;
428 av_free(st->codec->extradata);
429 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
430 if (!st->codec->extradata)
431 return AVERROR(ENOMEM);
432 avio_read(pb, st->codec->extradata, len);
433 st->codec->extradata_size = len;
434 if (st->codec->codec_id == CODEC_ID_AAC) {
435 MPEG4AudioConfig cfg;
436 avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
437 st->codec->extradata_size * 8, 1);
438 st->codec->channels = cfg.channels;
439 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
440 st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
441 else if (cfg.ext_sample_rate)
442 st->codec->sample_rate = cfg.ext_sample_rate;
443 else
444 st->codec->sample_rate = cfg.sample_rate;
445 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
446 "sample rate %d ext sample rate %d\n", st->codec->channels,
447 cfg.object_type, cfg.ext_object_type,
448 cfg.sample_rate, cfg.ext_sample_rate);
449 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
450 cfg.object_type)))
451 st->codec->codec_id = CODEC_ID_AAC;
452 }
453 }
454 return 0;
455 }