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