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', '8', 'R', 'G') },
294 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
295 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
296 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
297 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
298 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
299 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
300 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
301 { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
303 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
304 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
305 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
306 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
307 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
308 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
309 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
310 { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
312 { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
314 { AV_CODEC_ID_NONE, 0 },
317 const AVCodecTag ff_codec_movaudio_tags[] = {
318 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
319 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
320 { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
321 { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
322 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
323 { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
324 { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
325 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
326 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
327 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
328 { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
329 { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
330 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
331 { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
332 { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
333 { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
334 { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
335 { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
336 { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
337 { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
338 { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
339 { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
340 { AV_CODEC_ID_MP3, 0x6D730055 },
341 { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
342 { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
343 { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
344 { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
345 { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
346 { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
347 { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
348 { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
349 { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
350 { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
351 { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
352 { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
353 { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
354 { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
355 { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
356 { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
357 { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
358 { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
359 { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
360 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
361 { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
362 { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
363 { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
364 { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
365 { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
366 { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
367 { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
368 { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
369 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
370 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
371 { AV_CODEC_ID_NONE, 0 },
374 const AVCodecTag ff_codec_movsubtitle_tags[] = {
375 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
376 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
377 { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
378 { AV_CODEC_ID_NONE, 0 },
381 const AVCodecTag ff_codec_movdata_tags[] = {
382 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
383 { AV_CODEC_ID_NONE, 0 },
386 /* map numeric codes from mdhd atom to ISO 639 */
387 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
388 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
389 /* deprecated by putting the code as 3*5 bits ASCII */
390 static const char mov_mdhd_language_map[][4] = {
392 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
393 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
394 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
395 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
396 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
398 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
399 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
400 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
402 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
404 "", "run", "", "mlg", "epo", "", "", "", "", "",
406 "", "", "", "", "", "", "", "", "", "",
407 "", "", "", "", "", "", "", "", "", "",
408 "", "", "", "", "", "", "", "", "wel", "baq",
409 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
412 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
416 /* old way, only for QT? */
417 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
418 if (!strcmp(lang, mov_mdhd_language_map[i]))
421 /* XXX:can we do that in mov too? */
424 /* handle undefined as such */
428 for (i = 0; i < 3; i++) {
439 int ff_mov_lang_to_iso639(unsigned code, char to[4])
443 /* is it the mangled iso code? */
444 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
445 if (code >= 0x400 && code != 0x7fff) {
446 for (i = 2; i >= 0; i--) {
447 to[i] = 0x60 + (code & 0x1f);
452 /* old fashion apple lang code */
453 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
455 if (!mov_mdhd_language_map[code][0])
457 memcpy(to, mov_mdhd_language_map[code], 4);
461 int ff_mp4_read_descr_len(AVIOContext *pb)
467 len = (len << 7) | (c & 0x7f);
474 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
478 len = ff_mp4_read_descr_len(pb);
479 av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
483 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
486 if (es_id) *es_id = avio_rb16(pb);
489 if (flags & 0x80) //streamDependenceFlag
491 if (flags & 0x40) { //URL_Flag
492 int len = avio_r8(pb);
495 if (flags & 0x20) //OCRstreamFlag
499 static const AVCodecTag mp4_audio_types[] = {
500 { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
501 { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
502 { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
503 { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
504 { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
505 { AV_CODEC_ID_NONE, AOT_NULL },
508 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
510 enum AVCodecID codec_id;
514 int object_type_id = avio_r8(pb);
515 avio_r8(pb); /* stream type */
516 avio_rb24(pb); /* buffer size db */
520 // TODO: fix this with codecpar
521 #if FF_API_LAVF_AVCTX
522 FF_DISABLE_DEPRECATION_WARNINGS
524 st->codec->rc_max_rate = v;
525 FF_ENABLE_DEPRECATION_WARNINGS
528 st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
530 codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
532 st->codecpar->codec_id = codec_id;
533 av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
534 len = ff_mp4_read_descr(fc, pb, &tag);
535 if (tag == MP4DecSpecificDescrTag) {
536 av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
537 if (!len || (uint64_t)len > (1<<30))
538 return AVERROR_INVALIDDATA;
539 if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
541 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
542 MPEG4AudioConfig cfg = {0};
543 ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
544 st->codecpar->extradata_size * 8, 1);
547 st->codecpar->channels = cfg.channels;
548 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
549 st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
550 else if (cfg.ext_sample_rate)
551 st->codecpar->sample_rate = cfg.ext_sample_rate;
553 st->codecpar->sample_rate = cfg.sample_rate;
554 av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
555 "sample rate %d ext sample rate %d\n", st->codecpar->channels,
556 cfg.object_type, cfg.ext_object_type,
557 cfg.sample_rate, cfg.ext_sample_rate);
558 if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
560 st->codecpar->codec_id = AV_CODEC_ID_AAC;
566 typedef struct MovChannelLayout {
567 int64_t channel_layout;
571 static const MovChannelLayout mov_channel_layout[] = {
572 { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
573 { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
574 { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
575 { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
576 { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
577 { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
578 { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
579 { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
580 { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
581 { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
582 { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
583 { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
584 { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
585 { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
586 { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
587 { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
588 { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
589 { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
590 { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
591 { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
592 { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
593 { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
597 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
599 AVCodecContext *codec= st->codec;
601 AVIOContext *pb = s->pb;
602 const MovChannelLayout *layouts = mov_channel_layout;
605 return AVERROR_INVALIDDATA;
607 layout_tag = avio_rb32(pb);
609 if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
610 // Channel descriptions not implemented
611 av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
615 if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
616 codec->channel_layout = avio_rb32(pb);
621 while (layouts->channel_layout) {
622 if (layout_tag == layouts->layout_tag) {
623 codec->channel_layout = layouts->channel_layout;
628 if (!codec->channel_layout)
629 av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
636 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
638 const MovChannelLayout *layouts;
639 uint32_t layout_tag = 0;
641 for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
642 if (channel_layout == layouts->channel_layout) {
643 layout_tag = layouts->layout_tag;
648 avio_wb32(pb, layout_tag); // mChannelLayoutTag
649 avio_wb32(pb, 0); // mChannelBitmap
651 avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
652 avio_wb32(pb, channel_layout);
654 avio_wb32(pb, 0); // mNumberChannelDescriptions
657 const struct AVCodecTag *avformat_get_mov_video_tags(void)
659 return ff_codec_movvideo_tags;
662 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
664 return ff_codec_movaudio_tags;