FFmpeg  4.3.8
isom.c
Go to the documentation of this file.
1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
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 },
73 };
74 
76 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
77 
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 */
82 
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 */
100 
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') },
115 
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) */
122 
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 */
127 
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 */
132 
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 */
135 
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 */
151 
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 */
161  { AV_CODEC_ID_CDTOONS, MKTAG('Q', 'k', 'B', 'k') }, /* CDToons */
162 
163  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
164 
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
166  { 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_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
168  /* dvh1 is handled within mov.c */
169 
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
172  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
173  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
185  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
186  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
187  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
188  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
189  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
190  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
191  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */
192  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */
193 
194  { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
195  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
196  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
197 
198  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
199  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
200  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
201  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
242  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
243  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
244  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
245  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
246  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
247  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
248 
249  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
250 
251  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
252  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
253  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
254  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
255  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
256 
257  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
258  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
259 
260  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
261  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
262  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
263  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
264  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
265  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
266  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
267  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
268  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
269  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
270 
271  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
272  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
273  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
274  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
275  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
276  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
277  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
278 
279  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
280 
281  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
282  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
283  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
284  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
285  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
286 
287  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
288  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
289 
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
303  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
304 
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
312  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
313 
314  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
315 
316  { AV_CODEC_ID_NOTCHLC, MKTAG('n', 'c', 'l', 'c') },
317 
318  { AV_CODEC_ID_NONE, 0 },
319 };
320 
322  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
323  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
324  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
325  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
326  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
327  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
328  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
329  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
330  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
331  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
332  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
333  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
334  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
335  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
336  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
337  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
338  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
339  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
340  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
341  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
342  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
343  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
344  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
345  { AV_CODEC_ID_MP3, 0x6D730055 },
346  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
347  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
348  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
349  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
350  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
351  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
352  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
353  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
354  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
355  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
356  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
357  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
358  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
359  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
360  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
361  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
362  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
363  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
364  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
365  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
366  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
367  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
368  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
369  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
370  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
371  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
372  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
373  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
374  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
375  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
376  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
377  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
378  { AV_CODEC_ID_NONE, 0 },
379 };
380 
382  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
383  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
384  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
385  { AV_CODEC_ID_NONE, 0 },
386 };
387 
389  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
390  { AV_CODEC_ID_NONE, 0 },
391 };
392 
393 /* map numeric codes from mdhd atom to ISO 639 */
394 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
395 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
396 /* deprecated by putting the code as 3*5 bits ASCII */
397 static const char mov_mdhd_language_map[][4] = {
398  /* 0-9 */
399  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
400  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
401  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
402  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
403  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
404  /*?*/
405  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
406  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
407  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
408  /* roman? arabic? */
409  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
410  /*==rundi?*/
411  "", "run", "", "mlg", "epo", "", "", "", "", "",
412  /* 100 */
413  "", "", "", "", "", "", "", "", "", "",
414  "", "", "", "", "", "", "", "", "", "",
415  "", "", "", "", "", "", "", "", "wel", "baq",
416  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
417 };
418 
419 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
420 {
421  int i, code = 0;
422 
423  /* old way, only for QT? */
424  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
425  if (!strcmp(lang, mov_mdhd_language_map[i]))
426  return i;
427  }
428  /* XXX:can we do that in mov too? */
429  if (!mp4)
430  return -1;
431  /* handle undefined as such */
432  if (lang[0] == '\0')
433  lang = "und";
434  /* 5 bits ASCII */
435  for (i = 0; i < 3; i++) {
436  uint8_t c = lang[i];
437  c -= 0x60;
438  if (c > 0x1f)
439  return -1;
440  code <<= 5;
441  code |= c;
442  }
443  return code;
444 }
445 
446 int ff_mov_lang_to_iso639(unsigned code, char to[4])
447 {
448  int i;
449  memset(to, 0, 4);
450  /* is it the mangled iso code? */
451  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
452  if (code >= 0x400 && code != 0x7fff) {
453  for (i = 2; i >= 0; i--) {
454  to[i] = 0x60 + (code & 0x1f);
455  code >>= 5;
456  }
457  return 1;
458  }
459  /* old fashion apple lang code */
461  return 0;
462  if (!mov_mdhd_language_map[code][0])
463  return 0;
464  memcpy(to, mov_mdhd_language_map[code], 4);
465  return 1;
466 }
467 
469 {
470  int len = 0;
471  int count = 4;
472  while (count--) {
473  int c = avio_r8(pb);
474  len = (len << 7) | (c & 0x7f);
475  if (!(c & 0x80))
476  break;
477  }
478  return len;
479 }
480 
482 {
483  int len;
484  *tag = avio_r8(pb);
485  len = ff_mp4_read_descr_len(pb);
486  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
487  return len;
488 }
489 
490 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
491 {
492  int flags;
493  if (es_id) *es_id = avio_rb16(pb);
494  else avio_rb16(pb);
495  flags = avio_r8(pb);
496  if (flags & 0x80) //streamDependenceFlag
497  avio_rb16(pb);
498  if (flags & 0x40) { //URL_Flag
499  int len = avio_r8(pb);
500  avio_skip(pb, len);
501  }
502  if (flags & 0x20) //OCRstreamFlag
503  avio_rb16(pb);
504 }
505 
506 static const AVCodecTag mp4_audio_types[] = {
507  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
508  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
509  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
510  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
511  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
513 };
514 
516 {
517  enum AVCodecID codec_id;
518  unsigned v;
519  int len, tag;
520  int ret;
521  int object_type_id = avio_r8(pb);
522  avio_r8(pb); /* stream type */
523  avio_rb24(pb); /* buffer size db */
524 
525  v = avio_rb32(pb);
526 
527  // TODO: fix this with codecpar
528 #if FF_API_LAVF_AVCTX
530  if (v < INT32_MAX)
531  st->codec->rc_max_rate = v;
533 #endif
534 
535  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
536 
537  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
538  if (codec_id)
539  st->codecpar->codec_id = codec_id;
540  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
541  len = ff_mp4_read_descr(fc, pb, &tag);
542  if (tag == MP4DecSpecificDescrTag) {
543  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
544  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
545  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
546  if (object_type_id == 0x69 || object_type_id == 0x6b)
547  return 0;
548  if (!len || (uint64_t)len > (1<<30))
549  return AVERROR_INVALIDDATA;
550  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
551  return ret;
552  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
553  MPEG4AudioConfig cfg = {0};
555  st->codecpar->extradata_size, 1, fc);
556  if (ret < 0)
557  return ret;
558  st->codecpar->channels = cfg.channels;
559  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
561  else if (cfg.ext_sample_rate)
563  else
564  st->codecpar->sample_rate = cfg.sample_rate;
565  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
566  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
567  cfg.object_type, cfg.ext_object_type,
568  cfg.sample_rate, cfg.ext_sample_rate);
569  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
570  cfg.object_type)))
572  }
573  }
574  return 0;
575 }
576 
577 typedef struct MovChannelLayout {
579  uint32_t layout_tag;
581 
583  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
584  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
585  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
586  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
587  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
588  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
589  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
590  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
591  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
592  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
593  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
594  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
595  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
596  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
597  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
598  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
599  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
600  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
601  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
602  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
603  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
604  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
605  { 0, 0},
606 };
607 #if 0
609 {
610  AVCodecContext *codec= st->codec;
611  uint32_t layout_tag;
612  AVIOContext *pb = s->pb;
614 
615  if (size < 12)
616  return AVERROR_INVALIDDATA;
617 
618  layout_tag = avio_rb32(pb);
619  size -= 4;
620  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
621  // Channel descriptions not implemented
622  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
623  avio_skip(pb, size);
624  return 0;
625  }
626  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
627  codec->channel_layout = avio_rb32(pb);
628  size -= 4;
629  avio_skip(pb, size);
630  return 0;
631  }
632  while (layouts->channel_layout) {
633  if (layout_tag == layouts->layout_tag) {
634  codec->channel_layout = layouts->channel_layout;
635  break;
636  }
637  layouts++;
638  }
639  if (!codec->channel_layout)
640  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
641  avio_skip(pb, size);
642 
643  return 0;
644 }
645 #endif
646 
648 {
649  const MovChannelLayout *layouts;
650  uint32_t layout_tag = 0;
651 
652  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
653  if (channel_layout == layouts->channel_layout) {
654  layout_tag = layouts->layout_tag;
655  break;
656  }
657 
658  if (layout_tag) {
659  avio_wb32(pb, layout_tag); // mChannelLayoutTag
660  avio_wb32(pb, 0); // mChannelBitmap
661  } else {
662  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
663  avio_wb32(pb, channel_layout);
664  }
665  avio_wb32(pb, 0); // mNumberChannelDescriptions
666 }
667 
669 {
670  return ff_codec_movvideo_tags;
671 }
672 
674 {
675  return ff_codec_movaudio_tags;
676 }
N Parametric Stereo.
Definition: mpeg4audio.h:115
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:419
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:506
#define AV_CH_LAYOUT_7POINT1
Bytestream IO Context.
Definition: avio.h:161
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int size
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:490
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3165
Y Layer 1.
Definition: mpeg4audio.h:118
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define AV_CH_LAYOUT_SURROUND
static const MovChannelLayout mov_channel_layout[]
Definition: isom.c:582
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:329
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:763
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:579
Format I/O context.
Definition: avformat.h:1351
static const char mov_mdhd_language_map[][4]
Definition: isom.c:397
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:673
uint8_t
int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, int size, int sync_extension, void *logctx)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:177
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:778
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1532
#define av_log(a,...)
const char * to
Definition: webvttdec.c:34
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:89
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:668
#define AV_CH_LAYOUT_5POINT1
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:566
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:388
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:515
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:468
#define MP4DecSpecificDescrTag
Definition: isom.h:305
const uint8_t * code
Definition: spdifenc.c:413
int64_t channel_layout
Definition: isom.c:578
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:411
#define AV_CH_LAYOUT_QUAD
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:381
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:1237
int extradata_size
Size of the extradata content in bytes.
Definition: codec_par.h:78
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:616
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:771
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define s(width, name)
Definition: cbs_vp9.c:257
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
Read &#39;chan&#39; tag from the input stream.
Definition: mov_chan.c:547
#define FF_ARRAY_ELEMS(a)
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:446
Stream structure.
Definition: avformat.h:876
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: codec_id.h:556
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:321
Y Layer 2.
Definition: mpeg4audio.h:119
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
main external API structure.
Definition: avcodec.h:526
long long int64_t
Definition: coverity.c:34
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define flags(name, subs,...)
Definition: cbs_av1.c:576
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: codec_par.h:170
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:647
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:481
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static double c[64]
int ff_get_extradata(AVFormatContext *s, AVCodecParameters *par, AVIOContext *pb, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:3346
Y Audio LosslesS.
Definition: mpeg4audio.h:122
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Y Layer 3.
Definition: mpeg4audio.h:120
as in Berlin toast format
Definition: codec_id.h:428
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: codec_par.h:74
int channels
Audio only.
Definition: codec_par.h:166
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1023
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:406