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_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
373  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
374  { AV_CODEC_ID_NONE, 0 },
375 };
376 
378  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
379  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
380  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
381  { AV_CODEC_ID_NONE, 0 },
382 };
383 
385  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
386  { AV_CODEC_ID_NONE, 0 },
387 };
388 
389 /* map numeric codes from mdhd atom to ISO 639 */
390 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
391 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
392 /* deprecated by putting the code as 3*5 bits ASCII */
393 static const char mov_mdhd_language_map[][4] = {
394  /* 0-9 */
395  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
396  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
397  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
398  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
399  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
400  /*?*/
401  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
402  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
403  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
404  /* roman? arabic? */
405  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
406  /*==rundi?*/
407  "", "run", "", "mlg", "epo", "", "", "", "", "",
408  /* 100 */
409  "", "", "", "", "", "", "", "", "", "",
410  "", "", "", "", "", "", "", "", "", "",
411  "", "", "", "", "", "", "", "", "wel", "baq",
412  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
413 };
414 
415 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
416 {
417  int i, code = 0;
418 
419  /* old way, only for QT? */
420  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
421  if (!strcmp(lang, mov_mdhd_language_map[i]))
422  return i;
423  }
424  /* XXX:can we do that in mov too? */
425  if (!mp4)
426  return -1;
427  /* handle undefined as such */
428  if (lang[0] == '\0')
429  lang = "und";
430  /* 5 bits ASCII */
431  for (i = 0; i < 3; i++) {
432  uint8_t c = lang[i];
433  c -= 0x60;
434  if (c > 0x1f)
435  return -1;
436  code <<= 5;
437  code |= c;
438  }
439  return code;
440 }
441 
442 int ff_mov_lang_to_iso639(unsigned code, char to[4])
443 {
444  int i;
445  memset(to, 0, 4);
446  /* is it the mangled iso code? */
447  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
448  if (code >= 0x400 && code != 0x7fff) {
449  for (i = 2; i >= 0; i--) {
450  to[i] = 0x60 + (code & 0x1f);
451  code >>= 5;
452  }
453  return 1;
454  }
455  /* old fashion apple lang code */
457  return 0;
458  if (!mov_mdhd_language_map[code][0])
459  return 0;
460  memcpy(to, mov_mdhd_language_map[code], 4);
461  return 1;
462 }
463 
465 {
466  int len = 0;
467  int count = 4;
468  while (count--) {
469  int c = avio_r8(pb);
470  len = (len << 7) | (c & 0x7f);
471  if (!(c & 0x80))
472  break;
473  }
474  return len;
475 }
476 
478 {
479  int len;
480  *tag = avio_r8(pb);
481  len = ff_mp4_read_descr_len(pb);
482  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
483  return len;
484 }
485 
486 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
487 {
488  int flags;
489  if (es_id) *es_id = avio_rb16(pb);
490  else avio_rb16(pb);
491  flags = avio_r8(pb);
492  if (flags & 0x80) //streamDependenceFlag
493  avio_rb16(pb);
494  if (flags & 0x40) { //URL_Flag
495  int len = avio_r8(pb);
496  avio_skip(pb, len);
497  }
498  if (flags & 0x20) //OCRstreamFlag
499  avio_rb16(pb);
500 }
501 
502 static const AVCodecTag mp4_audio_types[] = {
503  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
504  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
505  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
506  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
507  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
509 };
510 
512 {
513  enum AVCodecID codec_id;
514  unsigned v;
515  int len, tag;
516  int ret;
517  int object_type_id = avio_r8(pb);
518  avio_r8(pb); /* stream type */
519  avio_rb24(pb); /* buffer size db */
520 
521  v = avio_rb32(pb);
522 
523  // TODO: fix this with codecpar
524 #if FF_API_LAVF_AVCTX
526  if (v < INT32_MAX)
527  st->codec->rc_max_rate = v;
529 #endif
530 
531  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
532 
533  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
534  if (codec_id)
535  st->codecpar->codec_id = codec_id;
536  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
537  len = ff_mp4_read_descr(fc, pb, &tag);
538  if (tag == MP4DecSpecificDescrTag) {
539  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
540  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
541  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
542  if (object_type_id == 0x69 || object_type_id == 0x6b)
543  return 0;
544  if (!len || (uint64_t)len > (1<<30))
545  return AVERROR_INVALIDDATA;
546  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
547  return ret;
548  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
549  MPEG4AudioConfig cfg = {0};
551  st->codecpar->extradata_size, 1, fc);
552  if (ret < 0)
553  return ret;
554  st->codecpar->channels = cfg.channels;
555  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
557  else if (cfg.ext_sample_rate)
559  else
560  st->codecpar->sample_rate = cfg.sample_rate;
561  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
562  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
563  cfg.object_type, cfg.ext_object_type,
564  cfg.sample_rate, cfg.ext_sample_rate);
565  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
566  cfg.object_type)))
568  }
569  }
570  return 0;
571 }
572 
573 typedef struct MovChannelLayout {
574  int64_t channel_layout;
575  uint32_t layout_tag;
577 
579  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
580  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
581  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
582  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
583  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
584  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
585  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
586  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
587  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
588  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
589  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
590  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
591  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
592  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
593  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
594  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
595  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
596  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
597  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
598  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
599  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
600  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
601  { 0, 0},
602 };
603 #if 0
604 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
605 {
606  AVCodecContext *codec= st->codec;
607  uint32_t layout_tag;
608  AVIOContext *pb = s->pb;
610 
611  if (size < 12)
612  return AVERROR_INVALIDDATA;
613 
614  layout_tag = avio_rb32(pb);
615  size -= 4;
616  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
617  // Channel descriptions not implemented
618  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
619  avio_skip(pb, size);
620  return 0;
621  }
622  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
623  codec->channel_layout = avio_rb32(pb);
624  size -= 4;
625  avio_skip(pb, size);
626  return 0;
627  }
628  while (layouts->channel_layout) {
629  if (layout_tag == layouts->layout_tag) {
630  codec->channel_layout = layouts->channel_layout;
631  break;
632  }
633  layouts++;
634  }
635  if (!codec->channel_layout)
636  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
637  avio_skip(pb, size);
638 
639  return 0;
640 }
641 #endif
642 
644 {
645  const MovChannelLayout *layouts;
646  uint32_t layout_tag = 0;
647 
648  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
649  if (channel_layout == layouts->channel_layout) {
650  layout_tag = layouts->layout_tag;
651  break;
652  }
653 
654  if (layout_tag) {
655  avio_wb32(pb, layout_tag); // mChannelLayoutTag
656  avio_wb32(pb, 0); // mChannelBitmap
657  } else {
658  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
659  avio_wb32(pb, channel_layout);
660  }
661  avio_wb32(pb, 0); // mNumberChannelDescriptions
662 }
663 
665 {
666  return ff_codec_movvideo_tags;
667 }
668 
670 {
671  return ff_codec_movaudio_tags;
672 }
N Parametric Stereo.
Definition: mpeg4audio.h:115
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:415
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:502
#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:486
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3158
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:578
enum AVCodecID codec_id
Definition: qsv.c:77
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3968
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:334
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:788
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:575
Format I/O context.
Definition: avformat.h:1358
static const char mov_mdhd_language_map[][4]
Definition: isom.c:393
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:669
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:803
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:1531
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:3997
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:664
#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:384
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:511
#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:464
#define MP4DecSpecificDescrTag
Definition: isom.h:304
int64_t channel_layout
Definition: isom.c:574
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:566
#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:377
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2279
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3986
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:641
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:796
#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:442
Stream structure.
Definition: avformat.h:881
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:708
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:318
Y Layer 2.
Definition: mpeg4audio.h:119
AVIOContext * pb
I/O context.
Definition: avformat.h:1400
main external API structure.
Definition: avcodec.h:1568
#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:4078
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:643
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:477
#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:3339
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:583
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3982
int channels
Audio only.
Definition: avcodec.h:4074
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:380
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