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 
162  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
163 
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 */
168 
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 */
192 
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 */
196 
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 */
247 
248  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
249 
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', ' ') },
255 
256  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
257  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
258 
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 */
269 
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') },
277 
278  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
279 
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') },
285 
286  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
287  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
288 
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
303 
304  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
312 
313  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
314 
315  { AV_CODEC_ID_NONE, 0 },
316 };
317 
319  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
320  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
321  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
322  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
323  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
324  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
325  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
326  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
327  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
328  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
329  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
330  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
331  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
332  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
333  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
334  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
335  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
336  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
337  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
338  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
339  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
340  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
341  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
342  { AV_CODEC_ID_MP3, 0x6D730055 },
343  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
344  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
345  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
346  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
347  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
348  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
349  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
350  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
351  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
352  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
353  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
354  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
355  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
356  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
357  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
358  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
359  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
360  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
361  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
362  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
363  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
364  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
365  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
366  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
367  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
368  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
369  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
370  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
371  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
372  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
373  { AV_CODEC_ID_NONE, 0 },
374 };
375 
377  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
378  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
379  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
380  { AV_CODEC_ID_NONE, 0 },
381 };
382 
384  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
385  { AV_CODEC_ID_NONE, 0 },
386 };
387 
388 /* map numeric codes from mdhd atom to ISO 639 */
389 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
390 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
391 /* deprecated by putting the code as 3*5 bits ASCII */
392 static const char mov_mdhd_language_map[][4] = {
393  /* 0-9 */
394  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
395  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
396  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
397  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
398  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
399  /*?*/
400  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
401  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
402  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
403  /* roman? arabic? */
404  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
405  /*==rundi?*/
406  "", "run", "", "mlg", "epo", "", "", "", "", "",
407  /* 100 */
408  "", "", "", "", "", "", "", "", "", "",
409  "", "", "", "", "", "", "", "", "", "",
410  "", "", "", "", "", "", "", "", "wel", "baq",
411  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
412 };
413 
414 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
415 {
416  int i, code = 0;
417 
418  /* old way, only for QT? */
419  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
420  if (!strcmp(lang, mov_mdhd_language_map[i]))
421  return i;
422  }
423  /* XXX:can we do that in mov too? */
424  if (!mp4)
425  return -1;
426  /* handle undefined as such */
427  if (lang[0] == '\0')
428  lang = "und";
429  /* 5 bits ASCII */
430  for (i = 0; i < 3; i++) {
431  uint8_t c = lang[i];
432  c -= 0x60;
433  if (c > 0x1f)
434  return -1;
435  code <<= 5;
436  code |= c;
437  }
438  return code;
439 }
440 
441 int ff_mov_lang_to_iso639(unsigned code, char to[4])
442 {
443  int i;
444  memset(to, 0, 4);
445  /* is it the mangled iso code? */
446  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
447  if (code >= 0x400 && code != 0x7fff) {
448  for (i = 2; i >= 0; i--) {
449  to[i] = 0x60 + (code & 0x1f);
450  code >>= 5;
451  }
452  return 1;
453  }
454  /* old fashion apple lang code */
456  return 0;
457  if (!mov_mdhd_language_map[code][0])
458  return 0;
459  memcpy(to, mov_mdhd_language_map[code], 4);
460  return 1;
461 }
462 
464 {
465  int len = 0;
466  int count = 4;
467  while (count--) {
468  int c = avio_r8(pb);
469  len = (len << 7) | (c & 0x7f);
470  if (!(c & 0x80))
471  break;
472  }
473  return len;
474 }
475 
477 {
478  int len;
479  *tag = avio_r8(pb);
480  len = ff_mp4_read_descr_len(pb);
481  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
482  return len;
483 }
484 
485 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
486 {
487  int flags;
488  if (es_id) *es_id = avio_rb16(pb);
489  else avio_rb16(pb);
490  flags = avio_r8(pb);
491  if (flags & 0x80) //streamDependenceFlag
492  avio_rb16(pb);
493  if (flags & 0x40) { //URL_Flag
494  int len = avio_r8(pb);
495  avio_skip(pb, len);
496  }
497  if (flags & 0x20) //OCRstreamFlag
498  avio_rb16(pb);
499 }
500 
501 static const AVCodecTag mp4_audio_types[] = {
502  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
503  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
504  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
505  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
506  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
508 };
509 
511 {
512  enum AVCodecID codec_id;
513  unsigned v;
514  int len, tag;
515  int ret;
516  int object_type_id = avio_r8(pb);
517  avio_r8(pb); /* stream type */
518  avio_rb24(pb); /* buffer size db */
519 
520  v = avio_rb32(pb);
521 
522  // TODO: fix this with codecpar
523 #if FF_API_LAVF_AVCTX
525  if (v < INT32_MAX)
526  st->codec->rc_max_rate = v;
528 #endif
529 
530  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
531 
532  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
533  if (codec_id)
534  st->codecpar->codec_id = codec_id;
535  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
536  len = ff_mp4_read_descr(fc, pb, &tag);
537  if (tag == MP4DecSpecificDescrTag) {
538  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
539  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
540  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
541  if (object_type_id == 0x69 || object_type_id == 0x6b)
542  return 0;
543  if (!len || (uint64_t)len > (1<<30))
544  return AVERROR_INVALIDDATA;
545  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
546  return ret;
547  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
548  MPEG4AudioConfig cfg = {0};
550  st->codecpar->extradata_size * 8, 1);
551  if (ret < 0)
552  return ret;
553  st->codecpar->channels = cfg.channels;
554  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
556  else if (cfg.ext_sample_rate)
558  else
559  st->codecpar->sample_rate = cfg.sample_rate;
560  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
561  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
562  cfg.object_type, cfg.ext_object_type,
563  cfg.sample_rate, cfg.ext_sample_rate);
564  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
565  cfg.object_type)))
567  }
568  }
569  return 0;
570 }
571 
572 typedef struct MovChannelLayout {
573  int64_t channel_layout;
574  uint32_t layout_tag;
576 
578  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
579  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
580  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
581  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
582  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
583  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
584  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
585  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
586  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
587  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
588  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
589  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
590  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
591  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
592  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
593  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
594  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
595  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
596  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
597  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
598  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
599  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
600  { 0, 0},
601 };
602 #if 0
603 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
604 {
605  AVCodecContext *codec= st->codec;
606  uint32_t layout_tag;
607  AVIOContext *pb = s->pb;
609 
610  if (size < 12)
611  return AVERROR_INVALIDDATA;
612 
613  layout_tag = avio_rb32(pb);
614  size -= 4;
615  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
616  // Channel descriptions not implemented
617  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
618  avio_skip(pb, size);
619  return 0;
620  }
621  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
622  codec->channel_layout = avio_rb32(pb);
623  size -= 4;
624  avio_skip(pb, size);
625  return 0;
626  }
627  while (layouts->channel_layout) {
628  if (layout_tag == layouts->layout_tag) {
629  codec->channel_layout = layouts->channel_layout;
630  break;
631  }
632  layouts++;
633  }
634  if (!codec->channel_layout)
635  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
636  avio_skip(pb, size);
637 
638  return 0;
639 }
640 #endif
641 
643 {
644  const MovChannelLayout *layouts;
645  uint32_t layout_tag = 0;
646 
647  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
648  if (channel_layout == layouts->channel_layout) {
649  layout_tag = layouts->layout_tag;
650  break;
651  }
652 
653  if (layout_tag) {
654  avio_wb32(pb, layout_tag); // mChannelLayoutTag
655  avio_wb32(pb, 0); // mChannelBitmap
656  } else {
657  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
658  avio_wb32(pb, channel_layout);
659  }
660  avio_wb32(pb, 0); // mNumberChannelDescriptions
661 }
662 
664 {
665  return ff_codec_movvideo_tags;
666 }
667 
669 {
670  return ff_codec_movaudio_tags;
671 }
N Parametric Stereo.
Definition: mpeg4audio.h:100
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:414
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:501
#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:485
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3125
Y Layer 1.
Definition: mpeg4audio.h:103
#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:577
enum AVCodecID codec_id
Definition: qsv.c:72
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3957
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:331
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:785
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:574
Format I/O context.
Definition: avformat.h:1358
static const char mov_mdhd_language_map[][4]
Definition: isom.c:392
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:668
uint8_t
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:800
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:1496
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:3986
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:663
#define AV_CH_LAYOUT_5POINT1
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:551
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:383
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:510
#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:463
#define MP4DecSpecificDescrTag
Definition: isom.h:302
int64_t channel_layout
Definition: isom.c:573
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:565
#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:376
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2276
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3975
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:638
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:793
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define s(width, name)
Definition: cbs_vp9.c:257
#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:441
Stream structure.
Definition: avformat.h:881
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:705
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:318
Y Layer 2.
Definition: mpeg4audio.h:104
AVIOContext * pb
I/O context.
Definition: avformat.h:1400
main external API structure.
Definition: avcodec.h:1565
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define flags(name, subs,...)
Definition: cbs_av1.c:561
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:4067
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:642
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:476
#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:3306
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:155
Y Audio LosslesS.
Definition: mpeg4audio.h:107
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Y Layer 3.
Definition: mpeg4audio.h:105
as in Berlin toast format
Definition: avcodec.h:582
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3971
int channels
Audio only.
Definition: avcodec.h:4063
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:377
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1028
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:366