FFmpeg
isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
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_NONE, 0 },
317 };
318 
320  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
321  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
322  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
323  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
324  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
325  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
326  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
327  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
328  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
329  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
330  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
331  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
332  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
333  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
334  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
335  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
336  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
337  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
338  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
339  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
340  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
341  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
342  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
343  { AV_CODEC_ID_MP3, 0x6D730055 },
344  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
345  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
346  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
347  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
348  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
349  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
350  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
351  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
352  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
353  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
354  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
355  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
356  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
357  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
358  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
359  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
360  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
361  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
362  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
363  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
364  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
365  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
366  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
367  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
368  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
369  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
370  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
371  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
372  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
373  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
374  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
375  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
376  { AV_CODEC_ID_NONE, 0 },
377 };
378 
380  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
381  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
382  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
383  { AV_CODEC_ID_NONE, 0 },
384 };
385 
387  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
388  { AV_CODEC_ID_NONE, 0 },
389 };
390 
391 /* map numeric codes from mdhd atom to ISO 639 */
392 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
393 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
394 /* deprecated by putting the code as 3*5 bits ASCII */
395 static const char mov_mdhd_language_map[][4] = {
396  /* 0-9 */
397  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
398  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
399  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
400  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
401  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
402  /*?*/
403  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
404  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
405  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
406  /* roman? arabic? */
407  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
408  /*==rundi?*/
409  "", "run", "", "mlg", "epo", "", "", "", "", "",
410  /* 100 */
411  "", "", "", "", "", "", "", "", "", "",
412  "", "", "", "", "", "", "", "", "", "",
413  "", "", "", "", "", "", "", "", "wel", "baq",
414  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
415 };
416 
417 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
418 {
419  int i, code = 0;
420 
421  /* old way, only for QT? */
422  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
423  if (!strcmp(lang, mov_mdhd_language_map[i]))
424  return i;
425  }
426  /* XXX:can we do that in mov too? */
427  if (!mp4)
428  return -1;
429  /* handle undefined as such */
430  if (lang[0] == '\0')
431  lang = "und";
432  /* 5 bits ASCII */
433  for (i = 0; i < 3; i++) {
434  uint8_t c = lang[i];
435  c -= 0x60;
436  if (c > 0x1f)
437  return -1;
438  code <<= 5;
439  code |= c;
440  }
441  return code;
442 }
443 
444 int ff_mov_lang_to_iso639(unsigned code, char to[4])
445 {
446  int i;
447  memset(to, 0, 4);
448  /* is it the mangled iso code? */
449  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
450  if (code >= 0x400 && code != 0x7fff) {
451  for (i = 2; i >= 0; i--) {
452  to[i] = 0x60 + (code & 0x1f);
453  code >>= 5;
454  }
455  return 1;
456  }
457  /* old fashion apple lang code */
459  return 0;
460  if (!mov_mdhd_language_map[code][0])
461  return 0;
462  memcpy(to, mov_mdhd_language_map[code], 4);
463  return 1;
464 }
465 
467 {
468  int len = 0;
469  int count = 4;
470  while (count--) {
471  int c = avio_r8(pb);
472  len = (len << 7) | (c & 0x7f);
473  if (!(c & 0x80))
474  break;
475  }
476  return len;
477 }
478 
480 {
481  int len;
482  *tag = avio_r8(pb);
483  len = ff_mp4_read_descr_len(pb);
484  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
485  return len;
486 }
487 
488 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
489 {
490  int flags;
491  if (es_id) *es_id = avio_rb16(pb);
492  else avio_rb16(pb);
493  flags = avio_r8(pb);
494  if (flags & 0x80) //streamDependenceFlag
495  avio_rb16(pb);
496  if (flags & 0x40) { //URL_Flag
497  int len = avio_r8(pb);
498  avio_skip(pb, len);
499  }
500  if (flags & 0x20) //OCRstreamFlag
501  avio_rb16(pb);
502 }
503 
504 static const AVCodecTag mp4_audio_types[] = {
505  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
506  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
507  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
508  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
509  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
511 };
512 
514 {
515  enum AVCodecID codec_id;
516  unsigned v;
517  int len, tag;
518  int ret;
519  int object_type_id = avio_r8(pb);
520  avio_r8(pb); /* stream type */
521  avio_rb24(pb); /* buffer size db */
522 
523  v = avio_rb32(pb);
524 
525  // TODO: fix this with codecpar
526 #if FF_API_LAVF_AVCTX
528  if (v < INT32_MAX)
529  st->codec->rc_max_rate = v;
531 #endif
532 
533  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
534 
535  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
536  if (codec_id)
537  st->codecpar->codec_id = codec_id;
538  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
539  len = ff_mp4_read_descr(fc, pb, &tag);
540  if (tag == MP4DecSpecificDescrTag) {
541  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
542  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
543  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
544  if (object_type_id == 0x69 || object_type_id == 0x6b)
545  return 0;
546  if (!len || (uint64_t)len > (1<<30))
547  return AVERROR_INVALIDDATA;
548  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
549  return ret;
550  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
551  MPEG4AudioConfig cfg = {0};
553  st->codecpar->extradata_size, 1, fc);
554  if (ret < 0)
555  return ret;
556  st->codecpar->channels = cfg.channels;
557  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
559  else if (cfg.ext_sample_rate)
561  else
562  st->codecpar->sample_rate = cfg.sample_rate;
563  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
564  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
565  cfg.object_type, cfg.ext_object_type,
566  cfg.sample_rate, cfg.ext_sample_rate);
567  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
568  cfg.object_type)))
570  }
571  }
572  return 0;
573 }
574 
575 typedef struct MovChannelLayout {
576  int64_t channel_layout;
577  uint32_t layout_tag;
579 
581  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
582  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
583  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
584  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
585  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
586  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
587  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
588  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
589  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
590  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
591  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
592  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
593  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
594  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
595  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
596  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
597  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
598  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
599  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
600  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
601  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
602  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
603  { 0, 0},
604 };
605 #if 0
606 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
607 {
608  AVCodecContext *codec= st->codec;
609  uint32_t layout_tag;
610  AVIOContext *pb = s->pb;
612 
613  if (size < 12)
614  return AVERROR_INVALIDDATA;
615 
616  layout_tag = avio_rb32(pb);
617  size -= 4;
618  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
619  // Channel descriptions not implemented
620  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
621  avio_skip(pb, size);
622  return 0;
623  }
624  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
625  codec->channel_layout = avio_rb32(pb);
626  size -= 4;
627  avio_skip(pb, size);
628  return 0;
629  }
630  while (layouts->channel_layout) {
631  if (layout_tag == layouts->layout_tag) {
632  codec->channel_layout = layouts->channel_layout;
633  break;
634  }
635  layouts++;
636  }
637  if (!codec->channel_layout)
638  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
639  avio_skip(pb, size);
640 
641  return 0;
642 }
643 #endif
644 
646 {
647  const MovChannelLayout *layouts;
648  uint32_t layout_tag = 0;
649 
650  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
651  if (channel_layout == layouts->channel_layout) {
652  layout_tag = layouts->layout_tag;
653  break;
654  }
655 
656  if (layout_tag) {
657  avio_wb32(pb, layout_tag); // mChannelLayoutTag
658  avio_wb32(pb, 0); // mChannelBitmap
659  } else {
660  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
661  avio_wb32(pb, channel_layout);
662  }
663  avio_wb32(pb, 0); // mNumberChannelDescriptions
664 }
665 
667 {
668  return ff_codec_movvideo_tags;
669 }
670 
672 {
673  return ff_codec_movaudio_tags;
674 }
N Parametric Stereo.
Definition: mpeg4audio.h:115
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:417
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:504
#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
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:488
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3167
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:580
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3991
#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:783
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:577
Format I/O context.
Definition: avformat.h:1357
static const char mov_mdhd_language_map[][4]
Definition: isom.c:395
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:671
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:798
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1532
ptrdiff_t size
Definition: opengl_enc.c:100
#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: avcodec.h:4020
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:666
#define AV_CH_LAYOUT_5POINT1
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:554
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:386
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:513
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:466
#define MP4DecSpecificDescrTag
Definition: isom.h:304
int64_t channel_layout
Definition: isom.c:576
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:572
#define AV_CH_LAYOUT_QUAD
GLsizei count
Definition: opengl_enc.c:108
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:379
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2297
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4009
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:636
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:791
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define s(width, name)
Definition: cbs_vp9.c:257
enum AVCodecID codec_id
Definition: vaapi_decode.c:364
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
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:444
Stream structure.
Definition: avformat.h:880
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:716
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:319
Y Layer 2.
Definition: mpeg4audio.h:119
AVIOContext * pb
I/O context.
Definition: avformat.h:1399
main external API structure.
Definition: avcodec.h:1586
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define flags(name, subs,...)
Definition: cbs_av1.c:564
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some it can consider them to be part of the FIFO and delay acknowledging a status change accordingly Example code
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: avcodec.h:4101
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:645
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:479
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
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:3348
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: avcodec.h:589
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4005
int channels
Audio only.
Definition: avcodec.h:4097
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1027
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:366