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 , 0xB1 }, /* mp4ra.org */
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 */
166 { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
167 /* dvh1 is handled within mov.c */
169 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
170 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
171 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
172 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
173 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
174 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
175 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
176 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
177 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
178 { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
179 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
180 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
181 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
182 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
183 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
184 { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
185 { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
186 { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
187 { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
188 { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
189 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
190 { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */
191 { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */
193 { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
194 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
195 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
197 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
198 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
199 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
200 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
201 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
202 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
203 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
204 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
205 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
206 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
207 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
208 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
209 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
210 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
211 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
212 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
213 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
214 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
215 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
216 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
217 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
218 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
219 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
220 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
221 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
222 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
223 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
224 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
225 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
226 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
227 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
228 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
229 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
230 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
231 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
232 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
233 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
234 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
235 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
236 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
237 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
238 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
239 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
240 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
241 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
242 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
243 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
244 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
245 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
246 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
248 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
250 { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
251 { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
252 { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
253 { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
254 { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
256 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
257 { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
259 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
260 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
261 { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
262 { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
263 { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
264 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
265 { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
266 { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
267 { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
268 { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
270 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
271 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
272 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
273 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
274 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
275 { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
276 { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
278 { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
280 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
281 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
282 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
283 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
284 { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
286 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
287 { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
289 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
290 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
291 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
292 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
293 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
294 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
295 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
296 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
297 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
298 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
299 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
300 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
301 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
302 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
304 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
305 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
306 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
307 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
308 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
309 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
310 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
311 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
313 { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
315 { AV_CODEC_ID_NONE, 0 },
318 const AVCodecTag ff_codec_movaudio_tags[] = {
319 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
320 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
321 { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
322 { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
323 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
324 { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
325 { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
326 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
327 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
328 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
329 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
330 { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
331 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
332 { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
333 { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
334 { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
335 { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
336 { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
337 { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
338 { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
339 { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
340 { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
341 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
342 { AV_CODEC_ID_MP3, 0x6D730055 },
343 { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
344 { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
345 { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
346 { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
347 { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
348 { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
349 { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
350 { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
351 { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
352 { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
353 { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
354 { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
355 { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
356 { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
357 { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
358 { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
359 { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
360 { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
361 { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
362 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
363 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
364 { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
365 { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
366 { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
367 { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
368 { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
369 { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
370 { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
371 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
372 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
373 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
374 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
375 { AV_CODEC_ID_NONE, 0 },
378 const AVCodecTag ff_codec_movsubtitle_tags[] = {
379 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
380 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
381 { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
382 { AV_CODEC_ID_NONE, 0 },
385 const AVCodecTag ff_codec_movdata_tags[] = {
386 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
387 { AV_CODEC_ID_NONE, 0 },
390 /* map numeric codes from mdhd atom to ISO 639 */
391 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
392 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
393 /* deprecated by putting the code as 3*5 bits ASCII */
394 static const char mov_mdhd_language_map[][4] = {
396 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
397 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
398 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
399 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
400 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
402 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
403 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
404 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
406 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
408 "", "run", "", "mlg", "epo", "", "", "", "", "",
410 "", "", "", "", "", "", "", "", "", "",
411 "", "", "", "", "", "", "", "", "", "",
412 "", "", "", "", "", "", "", "", "wel", "baq",
413 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
416 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
420 /* old way, only for QT? */
421 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
422 if (!strcmp(lang, mov_mdhd_language_map[i]))
425 /* XXX:can we do that in mov too? */
428 /* handle undefined as such */
432 for (i = 0; i < 3; i++) {
443 int ff_mov_lang_to_iso639(unsigned code, char to[4])
447 /* is it the mangled iso code? */
448 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
449 if (code >= 0x400 && code != 0x7fff) {
450 for (i = 2; i >= 0; i--) {
451 to[i] = 0x60 + (code & 0x1f);
456 /* old fashion apple lang code */
457 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
459 if (!mov_mdhd_language_map[code][0])
461 memcpy(to, mov_mdhd_language_map[code], 4);
465 int ff_mp4_read_descr_len(AVIOContext *pb)
471 len = (len << 7) | (c & 0x7f);
478 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
482 len = ff_mp4_read_descr_len(pb);
483 av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
487 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
490 if (es_id) *es_id = avio_rb16(pb);
493 if (flags & 0x80) //streamDependenceFlag
495 if (flags & 0x40) { //URL_Flag
496 int len = avio_r8(pb);
499 if (flags & 0x20) //OCRstreamFlag
503 static const AVCodecTag mp4_audio_types[] = {
504 { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
505 { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
506 { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
507 { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
508 { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
509 { AV_CODEC_ID_NONE, AOT_NULL },
512 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
514 enum AVCodecID codec_id;
518 int object_type_id = avio_r8(pb);
519 avio_r8(pb); /* stream type */
520 avio_rb24(pb); /* buffer size db */
524 // TODO: fix this with codecpar
525 #if FF_API_LAVF_AVCTX
526 FF_DISABLE_DEPRECATION_WARNINGS
528 st->codec->rc_max_rate = v;
529 FF_ENABLE_DEPRECATION_WARNINGS
532 st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
534 codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
536 st->codecpar->codec_id = codec_id;
537 av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
538 len = ff_mp4_read_descr(fc, pb, &tag);
539 if (tag == MP4DecSpecificDescrTag) {
540 av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
541 /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
542 for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
543 if (object_type_id == 0x69 || object_type_id == 0x6b)
545 if (!len || (uint64_t)len > (1<<30))
546 return AVERROR_INVALIDDATA;
547 if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
549 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
550 MPEG4AudioConfig cfg = {0};
551 ret = avpriv_mpeg4audio_get_config2(&cfg, st->codecpar->extradata,
552 st->codecpar->extradata_size, 1, fc);
555 st->codecpar->channels = cfg.channels;
556 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
557 st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
558 else if (cfg.ext_sample_rate)
559 st->codecpar->sample_rate = cfg.ext_sample_rate;
561 st->codecpar->sample_rate = cfg.sample_rate;
562 av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
563 "sample rate %d ext sample rate %d\n", st->codecpar->channels,
564 cfg.object_type, cfg.ext_object_type,
565 cfg.sample_rate, cfg.ext_sample_rate);
566 if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
568 st->codecpar->codec_id = AV_CODEC_ID_AAC;
574 typedef struct MovChannelLayout {
575 int64_t channel_layout;
579 static const MovChannelLayout mov_channel_layout[] = {
580 { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
581 { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
582 { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
583 { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
584 { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
585 { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
586 { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
587 { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
588 { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
589 { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
590 { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
591 { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
592 { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
593 { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
594 { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
595 { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
596 { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
597 { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
598 { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
599 { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
600 { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
601 { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
605 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
607 AVCodecContext *codec= st->codec;
609 AVIOContext *pb = s->pb;
610 const MovChannelLayout *layouts = mov_channel_layout;
613 return AVERROR_INVALIDDATA;
615 layout_tag = avio_rb32(pb);
617 if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
618 // Channel descriptions not implemented
619 av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
623 if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
624 codec->channel_layout = avio_rb32(pb);
629 while (layouts->channel_layout) {
630 if (layout_tag == layouts->layout_tag) {
631 codec->channel_layout = layouts->channel_layout;
636 if (!codec->channel_layout)
637 av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
644 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
646 const MovChannelLayout *layouts;
647 uint32_t layout_tag = 0;
649 for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
650 if (channel_layout == layouts->channel_layout) {
651 layout_tag = layouts->layout_tag;
656 avio_wb32(pb, layout_tag); // mChannelLayoutTag
657 avio_wb32(pb, 0); // mChannelBitmap
659 avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
660 avio_wb32(pb, channel_layout);
662 avio_wb32(pb, 0); // mNumberChannelDescriptions
665 const struct AVCodecTag *avformat_get_mov_video_tags(void)
667 return ff_codec_movvideo_tags;
670 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
672 return ff_codec_movaudio_tags;