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  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
278  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
279 
280  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
281  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
282 
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
296 
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
301  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
302  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
303  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
304  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
305 
306  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
307 
308  { AV_CODEC_ID_NONE, 0 },
309 };
310 
312  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
313  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
314  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
315  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
316  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
317  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
318  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
319  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
320  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
321  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
322  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
323  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
324  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
325  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
326  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
327  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
328  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
329  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
330  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
331  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
332  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
333  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
334  { AV_CODEC_ID_MP3, 0x6D730055 },
335  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
336  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
337  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
338  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
339  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
340  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
341  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
342  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
343  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
344  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
345  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
346  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
347  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
348  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
349  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
350  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
351  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
352  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
353  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
354  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
355  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
356  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
357  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
358  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
359  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
360  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
361  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
362  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
363  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
364  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
365  { AV_CODEC_ID_NONE, 0 },
366 };
367 
369  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
370  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
371  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
372  { AV_CODEC_ID_NONE, 0 },
373 };
374 
375 /* map numeric codes from mdhd atom to ISO 639 */
376 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
377 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
378 /* deprecated by putting the code as 3*5 bits ASCII */
379 static const char mov_mdhd_language_map[][4] = {
380  /* 0-9 */
381  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
382  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
383  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
384  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
385  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
386  /*?*/
387  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
388  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
389  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
390  /* roman? arabic? */
391  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
392  /*==rundi?*/
393  "", "run", "", "mlg", "epo", "", "", "", "", "",
394  /* 100 */
395  "", "", "", "", "", "", "", "", "", "",
396  "", "", "", "", "", "", "", "", "", "",
397  "", "", "", "", "", "", "", "", "wel", "baq",
398  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
399 };
400 
401 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
402 {
403  int i, code = 0;
404 
405  /* old way, only for QT? */
406  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
407  if (!strcmp(lang, mov_mdhd_language_map[i]))
408  return i;
409  }
410  /* XXX:can we do that in mov too? */
411  if (!mp4)
412  return -1;
413  /* handle undefined as such */
414  if (lang[0] == '\0')
415  lang = "und";
416  /* 5 bits ASCII */
417  for (i = 0; i < 3; i++) {
418  uint8_t c = lang[i];
419  c -= 0x60;
420  if (c > 0x1f)
421  return -1;
422  code <<= 5;
423  code |= c;
424  }
425  return code;
426 }
427 
428 int ff_mov_lang_to_iso639(unsigned code, char to[4])
429 {
430  int i;
431  memset(to, 0, 4);
432  /* is it the mangled iso code? */
433  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
434  if (code >= 0x400 && code != 0x7fff) {
435  for (i = 2; i >= 0; i--) {
436  to[i] = 0x60 + (code & 0x1f);
437  code >>= 5;
438  }
439  return 1;
440  }
441  /* old fashion apple lang code */
443  return 0;
444  if (!mov_mdhd_language_map[code][0])
445  return 0;
446  memcpy(to, mov_mdhd_language_map[code], 4);
447  return 1;
448 }
449 
451 {
452  int len = 0;
453  int count = 4;
454  while (count--) {
455  int c = avio_r8(pb);
456  len = (len << 7) | (c & 0x7f);
457  if (!(c & 0x80))
458  break;
459  }
460  return len;
461 }
462 
464 {
465  int len;
466  *tag = avio_r8(pb);
467  len = ff_mp4_read_descr_len(pb);
468  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
469  return len;
470 }
471 
472 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
473 {
474  int flags;
475  if (es_id) *es_id = avio_rb16(pb);
476  else avio_rb16(pb);
477  flags = avio_r8(pb);
478  if (flags & 0x80) //streamDependenceFlag
479  avio_rb16(pb);
480  if (flags & 0x40) { //URL_Flag
481  int len = avio_r8(pb);
482  avio_skip(pb, len);
483  }
484  if (flags & 0x20) //OCRstreamFlag
485  avio_rb16(pb);
486 }
487 
488 static const AVCodecTag mp4_audio_types[] = {
489  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
490  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
491  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
492  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
493  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
495 };
496 
498 {
499  enum AVCodecID codec_id;
500  unsigned v;
501  int len, tag;
502  int ret;
503  int object_type_id = avio_r8(pb);
504  avio_r8(pb); /* stream type */
505  avio_rb24(pb); /* buffer size db */
506 
507  v = avio_rb32(pb);
508 
509  // TODO: fix this with codecpar
510 #if FF_API_LAVF_AVCTX
512  if (v < INT32_MAX)
513  st->codec->rc_max_rate = v;
515 #endif
516 
517  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
518 
519  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
520  if (codec_id)
521  st->codecpar->codec_id = codec_id;
522  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
523  len = ff_mp4_read_descr(fc, pb, &tag);
524  if (tag == MP4DecSpecificDescrTag) {
525  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
526  if (!len || (uint64_t)len > (1<<30))
527  return AVERROR_INVALIDDATA;
528  av_free(st->codecpar->extradata);
529  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
530  return ret;
531  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
532  MPEG4AudioConfig cfg = {0};
534  st->codecpar->extradata_size * 8, 1);
535  if (ret < 0)
536  return ret;
537  st->codecpar->channels = cfg.channels;
538  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
540  else if (cfg.ext_sample_rate)
542  else
543  st->codecpar->sample_rate = cfg.sample_rate;
544  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
545  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
546  cfg.object_type, cfg.ext_object_type,
547  cfg.sample_rate, cfg.ext_sample_rate);
548  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
549  cfg.object_type)))
551  }
552  }
553  return 0;
554 }
555 
556 typedef struct MovChannelLayout {
557  int64_t channel_layout;
558  uint32_t layout_tag;
560 
562  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
563  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
564  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
565  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
566  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
567  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
568  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
569  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
570  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
571  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
572  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
573  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
574  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
575  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
576  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
577  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
578  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
579  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
580  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
581  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
582  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
583  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
584  { 0, 0},
585 };
586 #if 0
587 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
588 {
589  AVCodecContext *codec= st->codec;
590  uint32_t layout_tag;
591  AVIOContext *pb = s->pb;
593 
594  if (size < 12)
595  return AVERROR_INVALIDDATA;
596 
597  layout_tag = avio_rb32(pb);
598  size -= 4;
599  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
600  // Channel descriptions not implemented
601  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
602  avio_skip(pb, size);
603  return 0;
604  }
605  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
606  codec->channel_layout = avio_rb32(pb);
607  size -= 4;
608  avio_skip(pb, size);
609  return 0;
610  }
611  while (layouts->channel_layout) {
612  if (layout_tag == layouts->layout_tag) {
613  codec->channel_layout = layouts->channel_layout;
614  break;
615  }
616  layouts++;
617  }
618  if (!codec->channel_layout)
619  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
620  avio_skip(pb, size);
621 
622  return 0;
623 }
624 #endif
625 
626 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
627 {
628  const MovChannelLayout *layouts;
629  uint32_t layout_tag = 0;
630 
631  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
632  if (channel_layout == layouts->channel_layout) {
633  layout_tag = layouts->layout_tag;
634  break;
635  }
636 
637  if (layout_tag) {
638  avio_wb32(pb, layout_tag); // mChannelLayoutTag
639  avio_wb32(pb, 0); // mChannelBitmap
640  } else {
641  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
642  avio_wb32(pb, channel_layout);
643  }
644  avio_wb32(pb, 0); // mNumberChannelDescriptions
645 }
646 
648 {
649  return ff_codec_movvideo_tags;
650 }
651 
653 {
654  return ff_codec_movaudio_tags;
655 }
N Parametric Stereo.
Definition: mpeg4audio.h:100
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:401
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:488
#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:472
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3052
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:561
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3838
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:329
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:784
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:558
Format I/O context.
Definition: avformat.h:1325
static const char mov_mdhd_language_map[][4]
Definition: isom.c:379
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:652
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:799
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:1448
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:3867
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:647
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:497
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:450
#define MP4DecSpecificDescrTag
Definition: isom.h:288
int64_t channel_layout
Definition: isom.c:557
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:552
#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:368
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2208
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3856
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:637
#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:792
#define AV_CH_LAYOUT_STEREO_DOWNMIX
enum AVCodecID codec_id
Definition: vaapi_decode.c:236
#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 '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:428
Stream structure.
Definition: avformat.h:872
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:685
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:311
Y Layer 2.
Definition: mpeg4audio.h:104
AVIOContext * pb
I/O context.
Definition: avformat.h:1367
main external API structure.
Definition: avcodec.h:1502
#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:3948
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:626
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:463
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static double c[64]
int ff_get_extradata(AVFormatContext *s, AVCodecParameters *par, AVIOContext *pb, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:3236
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 av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Y Layer 3.
Definition: mpeg4audio.h:105
as in Berlin toast format
Definition: avcodec.h:569
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3852
int channels
Audio only.
Definition: avcodec.h:3944
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1014
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:366