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path: root/libavformat/isom.c (plain)
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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 FFmpeg.
8 *
9 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#include "avformat.h"
25#include "internal.h"
26#include "isom.h"
27#include "libavcodec/mpeg4audio.h"
28#include "libavcodec/mpegaudiodata.h"
29#include "libavutil/avstring.h"
30#include "libavutil/intreadwrite.h"
31
32/* http://www.mp4ra.org */
33/* ordered by muxing preference */
34const 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_HEVC , 0x23 },
39 { AV_CODEC_ID_AAC , 0x40 },
40 { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
41 { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG-2 Main */
42 { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG-2 Simple */
43 { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG-2 SNR */
44 { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG-2 Spatial */
45 { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG-2 High */
46 { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG-2 422 */
47 { AV_CODEC_ID_AAC , 0x66 }, /* MPEG-2 AAC Main */
48 { AV_CODEC_ID_AAC , 0x67 }, /* MPEG-2 AAC Low */
49 { AV_CODEC_ID_AAC , 0x68 }, /* MPEG-2 AAC SSR */
50 { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51 { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
52 { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
53 { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
54 { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55 { AV_CODEC_ID_PNG , 0x6D },
56 { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57 { AV_CODEC_ID_VC1 , 0xA3 },
58 { AV_CODEC_ID_DIRAC , 0xA4 },
59 { AV_CODEC_ID_AC3 , 0xA5 },
60 { AV_CODEC_ID_EAC3 , 0xA6 },
61 { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
62 { AV_CODEC_ID_VP9 , 0xC0 }, /* nonstandard, update when there is a standard value */
63 { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
64 { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
65 { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
66 { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
67 { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
68 { AV_CODEC_ID_QCELP , 0xE1 },
69 { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
70 { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
71 { AV_CODEC_ID_NONE , 0 },
72};
73
74const AVCodecTag ff_codec_movvideo_tags[] = {
75/* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
76
77 { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
78 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
79 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
80 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
81
82 { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
83 { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
84 { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
85 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
86 { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
87 { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
88 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
89 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
90 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
91 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
92 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
93 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
94 { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
95 { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
96 { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
97 { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
98 { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
99
100 { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
101 { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
102 { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
103 { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
104 { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
105 { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
106 { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
107 { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
108 { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
109 { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
110 { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
111 { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
112 { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
113 { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
114
115 { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
116 { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
117 { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
118/* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
119 { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
120 { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
121
122 { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
123 { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
124 { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
125 { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
126
127 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
128 { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
129 { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
130 { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
131
132 { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
133 { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
134
135 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
136 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
137 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
138 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
139 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
140 { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
141 { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
142 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
143 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
144 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
145 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
146 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
147 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
148 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
149 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
150
151 { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
152 { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
153 { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
154 { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
155 { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
156 { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
157 { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
158 { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
159 { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
160
161 { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
162
163 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
164 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
165 { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC Dobly vision ES dvhe*/
166 { AV_CODEC_ID_HEVC, MKTAG('D', 'O', 'V', 'I') }, /* HEVC Dobly vision ES dovi*/
167
168 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
169 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
170 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
171 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
172 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
173 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
174 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
175 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
176 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
177 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
178 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
179 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
180 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
181 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
182 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
183 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
184 { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
185 { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
186 { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
187 { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
188 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
189
190 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
191
192 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
193 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
194 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
195 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
196 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
197 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
198 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
199 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
200 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
201 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
202 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
203 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
204 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
205 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
206 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
207 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
208 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
209 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
210 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
211 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
212 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
213 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
214 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
215 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
216 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
217 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
218 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
219 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
220 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
221 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
222 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
223 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
224 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
225 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
226 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
227 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
228 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
229 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
230 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
231 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
232 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
233 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
234 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
235 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
236 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
237 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
238 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
239 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
240 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
241 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
242
243 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
244
245 { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
246 { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
247 { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
248 { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
249 { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
250
251 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
252 { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
253
254 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
255 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
256 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
257 { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
258 { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
259 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
260 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
261 { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
262 { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
263 { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
264
265 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
266 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
267 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
268 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
269 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
270 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
271 { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
272
273 { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
274
275 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
276 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
277 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
278
279 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
280 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
281
282 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
283 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
284 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
285 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
286 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
287 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
288 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
289 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
290 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
291 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
292 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
293
294 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
295 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
296 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
297 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
298 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
299 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
300 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
301 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
302
303 { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
304
305 { AV_CODEC_ID_NONE, 0 },
306};
307
308const AVCodecTag ff_codec_movaudio_tags[] = {
309 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
310 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
311 { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
312 { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
313 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
314 { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
315 { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
316 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
317 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
318 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
319 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
320 { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
321 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
322 { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
323 { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
324 { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
325 { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
326 { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
327 { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
328 { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
329 { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
330 { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
331 { AV_CODEC_ID_MP3, 0x6D730055 },
332 { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
333 { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
334 { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
335 { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
336 { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
337 { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
338 { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
339 { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
340 { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
341 { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
342 { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
343 { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
344 { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
345 { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
346 { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
347 { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
348 { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
349 { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
350 { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
351 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
352 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
353 { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
354 { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
355 { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
356 { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
357 { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
358 { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
359 { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
360 { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
361 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
362 { AV_CODEC_ID_NONE, 0 },
363};
364
365const AVCodecTag ff_codec_movsubtitle_tags[] = {
366 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
367 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
368 { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
369 { AV_CODEC_ID_NONE, 0 },
370};
371
372/* map numeric codes from mdhd atom to ISO 639 */
373/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
374/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
375/* deprecated by putting the code as 3*5 bits ASCII */
376static const char mov_mdhd_language_map[][4] = {
377 /* 0-9 */
378 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
379 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
380 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
381 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
382 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
383 /*?*/
384 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
385 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
386 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
387 /* roman? arabic? */
388 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
389 /*==rundi?*/
390 "", "run", "", "mlg", "epo", "", "", "", "", "",
391 /* 100 */
392 "", "", "", "", "", "", "", "", "", "",
393 "", "", "", "", "", "", "", "", "", "",
394 "", "", "", "", "", "", "", "", "wel", "baq",
395 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
396};
397
398int ff_mov_iso639_to_lang(const char lang[4], int mp4)
399{
400 int i, code = 0;
401
402 /* old way, only for QT? */
403 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
404 if (!strcmp(lang, mov_mdhd_language_map[i]))
405 return i;
406 }
407 /* XXX:can we do that in mov too? */
408 if (!mp4)
409 return -1;
410 /* handle undefined as such */
411 if (lang[0] == '\0')
412 lang = "und";
413 /* 5 bits ASCII */
414 for (i = 0; i < 3; i++) {
415 uint8_t c = lang[i];
416 c -= 0x60;
417 if (c > 0x1f)
418 return -1;
419 code <<= 5;
420 code |= c;
421 }
422 return code;
423}
424
425int ff_mov_lang_to_iso639(unsigned code, char to[4])
426{
427 int i;
428 memset(to, 0, 4);
429 /* is it the mangled iso code? */
430 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
431 if (code >= 0x400 && code != 0x7fff) {
432 for (i = 2; i >= 0; i--) {
433 to[i] = 0x60 + (code & 0x1f);
434 code >>= 5;
435 }
436 return 1;
437 }
438 /* old fashion apple lang code */
439 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
440 return 0;
441 if (!mov_mdhd_language_map[code][0])
442 return 0;
443 memcpy(to, mov_mdhd_language_map[code], 4);
444 return 1;
445}
446
447int ff_mp4_read_descr_len(AVIOContext *pb)
448{
449 int len = 0;
450 int count = 4;
451 while (count--) {
452 int c = avio_r8(pb);
453 len = (len << 7) | (c & 0x7f);
454 if (!(c & 0x80))
455 break;
456 }
457 return len;
458}
459
460int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
461{
462 int len;
463 *tag = avio_r8(pb);
464 len = ff_mp4_read_descr_len(pb);
465 av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
466 return len;
467}
468
469void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
470{
471 int flags;
472 if (es_id) *es_id = avio_rb16(pb);
473 else avio_rb16(pb);
474 flags = avio_r8(pb);
475 if (flags & 0x80) //streamDependenceFlag
476 avio_rb16(pb);
477 if (flags & 0x40) { //URL_Flag
478 int len = avio_r8(pb);
479 avio_skip(pb, len);
480 }
481 if (flags & 0x20) //OCRstreamFlag
482 avio_rb16(pb);
483}
484
485static const AVCodecTag mp4_audio_types[] = {
486 { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
487 { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
488 { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
489 { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
490 { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
491 { AV_CODEC_ID_NONE, AOT_NULL },
492};
493
494int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
495{
496 enum AVCodecID codec_id;
497 unsigned v;
498 int len, tag;
499 int ret;
500 int object_type_id = avio_r8(pb);
501 avio_r8(pb); /* stream type */
502 avio_rb24(pb); /* buffer size db */
503
504 v = avio_rb32(pb);
505
506 // TODO: fix this with codecpar
507#if FF_API_LAVF_AVCTX
508FF_DISABLE_DEPRECATION_WARNINGS
509 if (v < INT32_MAX)
510 st->codec->rc_max_rate = v;
511FF_ENABLE_DEPRECATION_WARNINGS
512#endif
513
514 st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
515
516 codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
517 if (codec_id)
518 st->codecpar->codec_id = codec_id;
519 av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
520 len = ff_mp4_read_descr(fc, pb, &tag);
521 if (tag == MP4DecSpecificDescrTag) {
522 av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
523 if (!len || (uint64_t)len > (1<<30))
524 return -1;
525 av_free(st->codecpar->extradata);
526 if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
527 return ret;
528 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
529 MPEG4AudioConfig cfg = {0};
530 ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
531 st->codecpar->extradata_size * 8, 1);
532 if (ret < 0)
533 return ret;
534 st->codecpar->channels = cfg.channels;
535 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
536 st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
537 else if (cfg.ext_sample_rate)
538 st->codecpar->sample_rate = cfg.ext_sample_rate;
539 else
540 st->codecpar->sample_rate = cfg.sample_rate;
541 av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
542 "sample rate %d ext sample rate %d\n", st->codecpar->channels,
543 cfg.object_type, cfg.ext_object_type,
544 cfg.sample_rate, cfg.ext_sample_rate);
545 if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
546 cfg.object_type)))
547 st->codecpar->codec_id = AV_CODEC_ID_AAC;
548 }
549 }
550 return 0;
551}
552
553typedef struct MovChannelLayout {
554 int64_t channel_layout;
555 uint32_t layout_tag;
556} MovChannelLayout;
557
558static const MovChannelLayout mov_channel_layout[] = {
559 { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
560 { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
561 { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
562 { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
563 { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
564 { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
565 { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
566 { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
567 { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
568 { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
569 { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
570 { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
571 { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
572 { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
573 { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
574 { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
575 { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
576 { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
577 { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
578 { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
579 { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
580 { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
581 { 0, 0},
582};
583#if 0
584int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
585{
586 AVCodecContext *codec= st->codec;
587 uint32_t layout_tag;
588 AVIOContext *pb = s->pb;
589 const MovChannelLayout *layouts = mov_channel_layout;
590
591 if (size < 12)
592 return AVERROR_INVALIDDATA;
593
594 layout_tag = avio_rb32(pb);
595 size -= 4;
596 if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
597 // Channel descriptions not implemented
598 av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
599 avio_skip(pb, size);
600 return 0;
601 }
602 if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
603 codec->channel_layout = avio_rb32(pb);
604 size -= 4;
605 avio_skip(pb, size);
606 return 0;
607 }
608 while (layouts->channel_layout) {
609 if (layout_tag == layouts->layout_tag) {
610 codec->channel_layout = layouts->channel_layout;
611 break;
612 }
613 layouts++;
614 }
615 if (!codec->channel_layout)
616 av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
617 avio_skip(pb, size);
618
619 return 0;
620}
621#endif
622
623void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
624{
625 const MovChannelLayout *layouts;
626 uint32_t layout_tag = 0;
627
628 for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
629 if (channel_layout == layouts->channel_layout) {
630 layout_tag = layouts->layout_tag;
631 break;
632 }
633
634 if (layout_tag) {
635 avio_wb32(pb, layout_tag); // mChannelLayoutTag
636 avio_wb32(pb, 0); // mChannelBitmap
637 } else {
638 avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
639 avio_wb32(pb, channel_layout);
640 }
641 avio_wb32(pb, 0); // mNumberChannelDescriptions
642}
643
644const struct AVCodecTag *avformat_get_mov_video_tags(void)
645{
646 return ff_codec_movvideo_tags;
647}
648
649const struct AVCodecTag *avformat_get_mov_audio_tags(void)
650{
651 return ff_codec_movaudio_tags;
652}
653
generated by cgit at 2024-05-12 02:05:12 (GMT)