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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
166 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
167 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
168 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
169 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
170 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
171 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
172 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
173 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
174 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
175 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
176 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
177 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
178 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
179 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
180 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
181 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
182 { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
183 { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
184 { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
185 { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
186 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
187
188 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
189
190 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
191 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
192 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
193 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
194 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
195 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
196 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
197 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
198 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
199 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
200 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
201 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
202 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
203 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
204 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
205 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
206 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
207 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
208 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
209 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
210 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
211 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
212 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
213 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
214 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
215 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
216 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
217 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
218 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
219 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
220 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
221 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
222 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
223 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
224 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
225 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
226 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
227 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
228 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
229 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
230 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
231 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
232 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
233 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
234 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
235 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
236 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
237 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
238 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
239 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
240
241 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
242
243 { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
244 { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
245 { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
246 { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
247 { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
248
249 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
250 { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
251
252 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
253 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
254 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
255 { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
256 { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
257 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
258 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
259 { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
260 { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
261 { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
262
263 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
264 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
265 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
266 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
267 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
268 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
269 { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
270
271 { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
272
273 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
274 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
275 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
276
277 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
278 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
279
280 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
281 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
282 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
283 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
284 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
285 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
286 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
287 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
288 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
289 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
290 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
291
292 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
293 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
294 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
295 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
296 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
297 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
298 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
299 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
300
301 { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
302
303 { AV_CODEC_ID_NONE, 0 },
304};
305
306const AVCodecTag ff_codec_movaudio_tags[] = {
307 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
308 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
309 { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
310 { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
311 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
312 { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
313 { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
314 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
315 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
316 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
317 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
318 { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
319 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
320 { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
321 { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
322 { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
323 { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
324 { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
325 { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
326 { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
327 { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
328 { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
329 { AV_CODEC_ID_MP3, 0x6D730055 },
330 { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
331 { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
332 { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
333 { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
334 { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
335 { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
336 { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
337 { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
338 { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
339 { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
340 { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
341 { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
342 { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
343 { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
344 { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
345 { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
346 { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
347 { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
348 { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
349 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
350 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
351 { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
352 { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
353 { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
354 { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
355 { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
356 { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
357 { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
358 { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
359 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
360 { AV_CODEC_ID_NONE, 0 },
361};
362
363const AVCodecTag ff_codec_movsubtitle_tags[] = {
364 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
365 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
366 { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
367 { AV_CODEC_ID_NONE, 0 },
368};
369
370/* map numeric codes from mdhd atom to ISO 639 */
371/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
372/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
373/* deprecated by putting the code as 3*5 bits ASCII */
374static const char mov_mdhd_language_map[][4] = {
375 /* 0-9 */
376 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
377 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
378 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
379 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
380 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
381 /*?*/
382 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
383 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
384 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
385 /* roman? arabic? */
386 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
387 /*==rundi?*/
388 "", "run", "", "mlg", "epo", "", "", "", "", "",
389 /* 100 */
390 "", "", "", "", "", "", "", "", "", "",
391 "", "", "", "", "", "", "", "", "", "",
392 "", "", "", "", "", "", "", "", "wel", "baq",
393 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
394};
395
396int ff_mov_iso639_to_lang(const char lang[4], int mp4)
397{
398 int i, code = 0;
399
400 /* old way, only for QT? */
401 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
402 if (!strcmp(lang, mov_mdhd_language_map[i]))
403 return i;
404 }
405 /* XXX:can we do that in mov too? */
406 if (!mp4)
407 return -1;
408 /* handle undefined as such */
409 if (lang[0] == '\0')
410 lang = "und";
411 /* 5 bits ASCII */
412 for (i = 0; i < 3; i++) {
413 uint8_t c = lang[i];
414 c -= 0x60;
415 if (c > 0x1f)
416 return -1;
417 code <<= 5;
418 code |= c;
419 }
420 return code;
421}
422
423int ff_mov_lang_to_iso639(unsigned code, char to[4])
424{
425 int i;
426 memset(to, 0, 4);
427 /* is it the mangled iso code? */
428 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
429 if (code >= 0x400 && code != 0x7fff) {
430 for (i = 2; i >= 0; i--) {
431 to[i] = 0x60 + (code & 0x1f);
432 code >>= 5;
433 }
434 return 1;
435 }
436 /* old fashion apple lang code */
437 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
438 return 0;
439 if (!mov_mdhd_language_map[code][0])
440 return 0;
441 memcpy(to, mov_mdhd_language_map[code], 4);
442 return 1;
443}
444
445int ff_mp4_read_descr_len(AVIOContext *pb)
446{
447 int len = 0;
448 int count = 4;
449 while (count--) {
450 int c = avio_r8(pb);
451 len = (len << 7) | (c & 0x7f);
452 if (!(c & 0x80))
453 break;
454 }
455 return len;
456}
457
458int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
459{
460 int len;
461 *tag = avio_r8(pb);
462 len = ff_mp4_read_descr_len(pb);
463 av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
464 return len;
465}
466
467void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
468{
469 int flags;
470 if (es_id) *es_id = avio_rb16(pb);
471 else avio_rb16(pb);
472 flags = avio_r8(pb);
473 if (flags & 0x80) //streamDependenceFlag
474 avio_rb16(pb);
475 if (flags & 0x40) { //URL_Flag
476 int len = avio_r8(pb);
477 avio_skip(pb, len);
478 }
479 if (flags & 0x20) //OCRstreamFlag
480 avio_rb16(pb);
481}
482
483static const AVCodecTag mp4_audio_types[] = {
484 { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
485 { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
486 { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
487 { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
488 { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
489 { AV_CODEC_ID_NONE, AOT_NULL },
490};
491
492int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
493{
494 enum AVCodecID codec_id;
495 unsigned v;
496 int len, tag;
497 int ret;
498 int object_type_id = avio_r8(pb);
499 avio_r8(pb); /* stream type */
500 avio_rb24(pb); /* buffer size db */
501
502 v = avio_rb32(pb);
503
504 // TODO: fix this with codecpar
505#if FF_API_LAVF_AVCTX
506FF_DISABLE_DEPRECATION_WARNINGS
507 if (v < INT32_MAX)
508 st->codec->rc_max_rate = v;
509FF_ENABLE_DEPRECATION_WARNINGS
510#endif
511
512 st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
513
514 codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
515 if (codec_id)
516 st->codecpar->codec_id = codec_id;
517 av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
518 len = ff_mp4_read_descr(fc, pb, &tag);
519 if (tag == MP4DecSpecificDescrTag) {
520 av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
521 if (!len || (uint64_t)len > (1<<30))
522 return -1;
523 av_free(st->codecpar->extradata);
524 if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
525 return ret;
526 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
527 MPEG4AudioConfig cfg = {0};
528 ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
529 st->codecpar->extradata_size * 8, 1);
530 if (ret < 0)
531 return ret;
532 st->codecpar->channels = cfg.channels;
533 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
534 st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
535 else if (cfg.ext_sample_rate)
536 st->codecpar->sample_rate = cfg.ext_sample_rate;
537 else
538 st->codecpar->sample_rate = cfg.sample_rate;
539 av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
540 "sample rate %d ext sample rate %d\n", st->codecpar->channels,
541 cfg.object_type, cfg.ext_object_type,
542 cfg.sample_rate, cfg.ext_sample_rate);
543 if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
544 cfg.object_type)))
545 st->codecpar->codec_id = AV_CODEC_ID_AAC;
546 }
547 }
548 return 0;
549}
550
551typedef struct MovChannelLayout {
552 int64_t channel_layout;
553 uint32_t layout_tag;
554} MovChannelLayout;
555
556static const MovChannelLayout mov_channel_layout[] = {
557 { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
558 { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
559 { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
560 { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
561 { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
562 { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
563 { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
564 { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
565 { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
566 { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
567 { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
568 { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
569 { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
570 { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
571 { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
572 { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
573 { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
574 { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
575 { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
576 { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
577 { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
578 { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
579 { 0, 0},
580};
581#if 0
582int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
583{
584 AVCodecContext *codec= st->codec;
585 uint32_t layout_tag;
586 AVIOContext *pb = s->pb;
587 const MovChannelLayout *layouts = mov_channel_layout;
588
589 if (size < 12)
590 return AVERROR_INVALIDDATA;
591
592 layout_tag = avio_rb32(pb);
593 size -= 4;
594 if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
595 // Channel descriptions not implemented
596 av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
597 avio_skip(pb, size);
598 return 0;
599 }
600 if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
601 codec->channel_layout = avio_rb32(pb);
602 size -= 4;
603 avio_skip(pb, size);
604 return 0;
605 }
606 while (layouts->channel_layout) {
607 if (layout_tag == layouts->layout_tag) {
608 codec->channel_layout = layouts->channel_layout;
609 break;
610 }
611 layouts++;
612 }
613 if (!codec->channel_layout)
614 av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
615 avio_skip(pb, size);
616
617 return 0;
618}
619#endif
620
621void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
622{
623 const MovChannelLayout *layouts;
624 uint32_t layout_tag = 0;
625
626 for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
627 if (channel_layout == layouts->channel_layout) {
628 layout_tag = layouts->layout_tag;
629 break;
630 }
631
632 if (layout_tag) {
633 avio_wb32(pb, layout_tag); // mChannelLayoutTag
634 avio_wb32(pb, 0); // mChannelBitmap
635 } else {
636 avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
637 avio_wb32(pb, channel_layout);
638 }
639 avio_wb32(pb, 0); // mNumberChannelDescriptions
640}
641
642const struct AVCodecTag *avformat_get_mov_video_tags(void)
643{
644 return ff_codec_movvideo_tags;
645}
646
647const struct AVCodecTag *avformat_get_mov_audio_tags(void)
648{
649 return ff_codec_movaudio_tags;
650}
651
generated by cgit at 2024-05-11 18:52:43 (GMT)