FFmpeg
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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 
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
183  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
185  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
186  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
187  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
188 
189  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
190 
191  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
192  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
194  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
241 
242  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
243 
244  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
245  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
246  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
247  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
248  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
249 
250  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
251  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
252 
253  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
254  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
255  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
256  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
257  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
258  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
259  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
260  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
261  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
262  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
263 
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
269  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
270  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
271 
272  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
273 
274  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
275  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
276  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
277 
278  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
279  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
280 
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
294 
295  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
296  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
301  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
302  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
303 
304  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
305 
306  { AV_CODEC_ID_NONE, 0 },
307 };
308 
310  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
311  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
312  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
313  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
314  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
315  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
316  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
317  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
318  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
319  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
320  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
321  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
322  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
323  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
324  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
325  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
326  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
327  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
328  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
329  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
330  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
331  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
332  { AV_CODEC_ID_MP3, 0x6D730055 },
333  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
334  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
335  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
336  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
337  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
338  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
339  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
340  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
341  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
342  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
343  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
344  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
345  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
346  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
347  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
348  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
349  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
350  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
351  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
352  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
353  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
354  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
355  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
356  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
357  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
358  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
359  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
360  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
361  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
362  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
363  { AV_CODEC_ID_NONE, 0 },
364 };
365 
367  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
368  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
369  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
370  { AV_CODEC_ID_NONE, 0 },
371 };
372 
373 /* map numeric codes from mdhd atom to ISO 639 */
374 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
375 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
376 /* deprecated by putting the code as 3*5 bits ASCII */
377 static const char mov_mdhd_language_map[][4] = {
378  /* 0-9 */
379  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
380  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
381  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
382  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
383  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
384  /*?*/
385  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
386  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
387  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
388  /* roman? arabic? */
389  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
390  /*==rundi?*/
391  "", "run", "", "mlg", "epo", "", "", "", "", "",
392  /* 100 */
393  "", "", "", "", "", "", "", "", "", "",
394  "", "", "", "", "", "", "", "", "", "",
395  "", "", "", "", "", "", "", "", "wel", "baq",
396  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
397 };
398 
399 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
400 {
401  int i, code = 0;
402 
403  /* old way, only for QT? */
404  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
405  if (!strcmp(lang, mov_mdhd_language_map[i]))
406  return i;
407  }
408  /* XXX:can we do that in mov too? */
409  if (!mp4)
410  return -1;
411  /* handle undefined as such */
412  if (lang[0] == '\0')
413  lang = "und";
414  /* 5 bits ASCII */
415  for (i = 0; i < 3; i++) {
416  uint8_t c = lang[i];
417  c -= 0x60;
418  if (c > 0x1f)
419  return -1;
420  code <<= 5;
421  code |= c;
422  }
423  return code;
424 }
425 
426 int ff_mov_lang_to_iso639(unsigned code, char to[4])
427 {
428  int i;
429  memset(to, 0, 4);
430  /* is it the mangled iso code? */
431  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
432  if (code >= 0x400 && code != 0x7fff) {
433  for (i = 2; i >= 0; i--) {
434  to[i] = 0x60 + (code & 0x1f);
435  code >>= 5;
436  }
437  return 1;
438  }
439  /* old fashion apple lang code */
441  return 0;
442  if (!mov_mdhd_language_map[code][0])
443  return 0;
444  memcpy(to, mov_mdhd_language_map[code], 4);
445  return 1;
446 }
447 
449 {
450  int len = 0;
451  int count = 4;
452  while (count--) {
453  int c = avio_r8(pb);
454  len = (len << 7) | (c & 0x7f);
455  if (!(c & 0x80))
456  break;
457  }
458  return len;
459 }
460 
462 {
463  int len;
464  *tag = avio_r8(pb);
465  len = ff_mp4_read_descr_len(pb);
466  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
467  return len;
468 }
469 
470 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
471 {
472  int flags;
473  if (es_id) *es_id = avio_rb16(pb);
474  else avio_rb16(pb);
475  flags = avio_r8(pb);
476  if (flags & 0x80) //streamDependenceFlag
477  avio_rb16(pb);
478  if (flags & 0x40) { //URL_Flag
479  int len = avio_r8(pb);
480  avio_skip(pb, len);
481  }
482  if (flags & 0x20) //OCRstreamFlag
483  avio_rb16(pb);
484 }
485 
486 static const AVCodecTag mp4_audio_types[] = {
487  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
488  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
489  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
490  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
491  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
493 };
494 
496 {
497  enum AVCodecID codec_id;
498  unsigned v;
499  int len, tag;
500  int ret;
501  int object_type_id = avio_r8(pb);
502  avio_r8(pb); /* stream type */
503  avio_rb24(pb); /* buffer size db */
504 
505  v = avio_rb32(pb);
506 
507  // TODO: fix this with codecpar
508 #if FF_API_LAVF_AVCTX
510  if (v < INT32_MAX)
511  st->codec->rc_max_rate = v;
513 #endif
514 
515  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
516 
517  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
518  if (codec_id)
519  st->codecpar->codec_id = codec_id;
520  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
521  len = ff_mp4_read_descr(fc, pb, &tag);
522  if (tag == MP4DecSpecificDescrTag) {
523  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
524  if (!len || (uint64_t)len > (1<<30))
525  return -1;
526  av_free(st->codecpar->extradata);
527  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
528  return ret;
529  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
530  MPEG4AudioConfig cfg = {0};
532  st->codecpar->extradata_size * 8, 1);
533  if (ret < 0)
534  return ret;
535  st->codecpar->channels = cfg.channels;
536  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
538  else if (cfg.ext_sample_rate)
540  else
541  st->codecpar->sample_rate = cfg.sample_rate;
542  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
543  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
544  cfg.object_type, cfg.ext_object_type,
545  cfg.sample_rate, cfg.ext_sample_rate);
546  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
547  cfg.object_type)))
549  }
550  }
551  return 0;
552 }
553 
554 typedef struct MovChannelLayout {
555  int64_t channel_layout;
556  uint32_t layout_tag;
558 
560  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
561  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
562  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
563  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
564  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
565  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
566  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
567  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
568  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
569  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
570  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
571  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
572  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
573  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
574  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
575  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
576  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
577  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
578  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
579  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
580  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
581  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
582  { 0, 0},
583 };
584 #if 0
585 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
586 {
587  AVCodecContext *codec= st->codec;
588  uint32_t layout_tag;
589  AVIOContext *pb = s->pb;
591 
592  if (size < 12)
593  return AVERROR_INVALIDDATA;
594 
595  layout_tag = avio_rb32(pb);
596  size -= 4;
597  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
598  // Channel descriptions not implemented
599  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
600  avio_skip(pb, size);
601  return 0;
602  }
603  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
604  codec->channel_layout = avio_rb32(pb);
605  size -= 4;
606  avio_skip(pb, size);
607  return 0;
608  }
609  while (layouts->channel_layout) {
610  if (layout_tag == layouts->layout_tag) {
611  codec->channel_layout = layouts->channel_layout;
612  break;
613  }
614  layouts++;
615  }
616  if (!codec->channel_layout)
617  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
618  avio_skip(pb, size);
619 
620  return 0;
621 }
622 #endif
623 
624 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
625 {
626  const MovChannelLayout *layouts;
627  uint32_t layout_tag = 0;
628 
629  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
630  if (channel_layout == layouts->channel_layout) {
631  layout_tag = layouts->layout_tag;
632  break;
633  }
634 
635  if (layout_tag) {
636  avio_wb32(pb, layout_tag); // mChannelLayoutTag
637  avio_wb32(pb, 0); // mChannelBitmap
638  } else {
639  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
640  avio_wb32(pb, channel_layout);
641  }
642  avio_wb32(pb, 0); // mNumberChannelDescriptions
643 }
644 
646 {
647  return ff_codec_movvideo_tags;
648 }
649 
651 {
652  return ff_codec_movaudio_tags;
653 }
N Parametric Stereo.
Definition: mpeg4audio.h:96
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:399
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:486
#define AV_CH_LAYOUT_7POINT1
const char * s
Definition: avisynth_c.h:768
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:470
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3050
Y Layer 1.
Definition: mpeg4audio.h:99
#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:559
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4129
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:322
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:768
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:556
Format I/O context.
Definition: avformat.h:1349
static const char mov_mdhd_language_map[][4]
Definition: isom.c:377
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:650
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:783
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
static int flags
Definition: log.c:57
uint32_t tag
Definition: movenc.c:1407
ptrdiff_t size
Definition: opengl_enc.c:101
#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:4158
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:645
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:495
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:448
#define MP4DecSpecificDescrTag
Definition: isom.h:279
int64_t channel_layout
Definition: isom.c:555
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:556
#define AV_CH_LAYOUT_QUAD
GLsizei count
Definition: opengl_enc.c:109
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:366
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2559
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4147
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:621
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
static const uint16_t fc[]
Definition: dcaenc.h:43
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:776
#define AV_CH_LAYOUT_STEREO_DOWNMIX
enum AVCodecID codec_id
Definition: vaapi_decode.c:235
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
Read 'chan' 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:426
Stream structure.
Definition: avformat.h:889
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:691
attribute_deprecated void av_log_ask_for_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message asking for a sample.
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:309
Y Layer 2.
Definition: mpeg4audio.h:100
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
main external API structure.
Definition: avcodec.h:1746
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: avcodec.h:4239
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:624
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:461
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
static double c[64]
int ff_get_extradata(AVFormatContext *s, AVCodecParameters *par, AVIOContext *pb, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:3234
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:103
#define av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
Y Layer 3.
Definition: mpeg4audio.h:101
as in Berlin toast format
Definition: avcodec.h:573
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4143
int channels
Audio only.
Definition: avcodec.h:4235
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
AVCodecParameters * codecpar
Definition: avformat.h:1252
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342