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 , 0xC0 }, /* nonstandard, update when there is a standard value */
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 
293  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
294  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
295  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
296  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
301 
302  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
303 
304  { AV_CODEC_ID_NONE, 0 },
305 };
306 
308  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
309  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
310  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
311  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
312  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
313  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
314  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
315  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
316  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
317  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
318  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
319  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
320  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
321  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
322  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
323  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
324  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
325  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
326  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
327  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
328  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
329  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
330  { AV_CODEC_ID_MP3, 0x6D730055 },
331  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
332  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
333  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
334  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
335  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
336  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
337  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
338  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
339  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
340  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
341  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
342  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
343  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
344  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
345  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
346  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
347  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
348  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
349  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
350  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
351  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
352  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
353  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
354  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
355  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
356  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
357  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
358  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
359  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
360  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
361  { AV_CODEC_ID_NONE, 0 },
362 };
363 
365  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
366  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
367  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
368  { AV_CODEC_ID_NONE, 0 },
369 };
370 
371 /* map numeric codes from mdhd atom to ISO 639 */
372 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
373 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
374 /* deprecated by putting the code as 3*5 bits ASCII */
375 static const char mov_mdhd_language_map[][4] = {
376  /* 0-9 */
377  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
378  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
379  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
380  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
381  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
382  /*?*/
383  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
384  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
385  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
386  /* roman? arabic? */
387  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
388  /*==rundi?*/
389  "", "run", "", "mlg", "epo", "", "", "", "", "",
390  /* 100 */
391  "", "", "", "", "", "", "", "", "", "",
392  "", "", "", "", "", "", "", "", "", "",
393  "", "", "", "", "", "", "", "", "wel", "baq",
394  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
395 };
396 
397 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
398 {
399  int i, code = 0;
400 
401  /* old way, only for QT? */
402  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
403  if (!strcmp(lang, mov_mdhd_language_map[i]))
404  return i;
405  }
406  /* XXX:can we do that in mov too? */
407  if (!mp4)
408  return -1;
409  /* handle undefined as such */
410  if (lang[0] == '\0')
411  lang = "und";
412  /* 5 bits ASCII */
413  for (i = 0; i < 3; i++) {
414  uint8_t c = lang[i];
415  c -= 0x60;
416  if (c > 0x1f)
417  return -1;
418  code <<= 5;
419  code |= c;
420  }
421  return code;
422 }
423 
424 int ff_mov_lang_to_iso639(unsigned code, char to[4])
425 {
426  int i;
427  memset(to, 0, 4);
428  /* is it the mangled iso code? */
429  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
430  if (code >= 0x400 && code != 0x7fff) {
431  for (i = 2; i >= 0; i--) {
432  to[i] = 0x60 + (code & 0x1f);
433  code >>= 5;
434  }
435  return 1;
436  }
437  /* old fashion apple lang code */
439  return 0;
440  if (!mov_mdhd_language_map[code][0])
441  return 0;
442  memcpy(to, mov_mdhd_language_map[code], 4);
443  return 1;
444 }
445 
447 {
448  int len = 0;
449  int count = 4;
450  while (count--) {
451  int c = avio_r8(pb);
452  len = (len << 7) | (c & 0x7f);
453  if (!(c & 0x80))
454  break;
455  }
456  return len;
457 }
458 
460 {
461  int len;
462  *tag = avio_r8(pb);
463  len = ff_mp4_read_descr_len(pb);
464  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
465  return len;
466 }
467 
468 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
469 {
470  int flags;
471  if (es_id) *es_id = avio_rb16(pb);
472  else avio_rb16(pb);
473  flags = avio_r8(pb);
474  if (flags & 0x80) //streamDependenceFlag
475  avio_rb16(pb);
476  if (flags & 0x40) { //URL_Flag
477  int len = avio_r8(pb);
478  avio_skip(pb, len);
479  }
480  if (flags & 0x20) //OCRstreamFlag
481  avio_rb16(pb);
482 }
483 
484 static const AVCodecTag mp4_audio_types[] = {
485  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
486  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
487  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
488  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
489  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
491 };
492 
494 {
495  enum AVCodecID codec_id;
496  unsigned v;
497  int len, tag;
498  int ret;
499  int object_type_id = avio_r8(pb);
500  avio_r8(pb); /* stream type */
501  avio_rb24(pb); /* buffer size db */
502 
503  v = avio_rb32(pb);
504 
505  // TODO: fix this with codecpar
506 #if FF_API_LAVF_AVCTX
508  if (v < INT32_MAX)
509  st->codec->rc_max_rate = v;
511 #endif
512 
513  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
514 
515  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
516  if (codec_id)
517  st->codecpar->codec_id = codec_id;
518  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
519  len = ff_mp4_read_descr(fc, pb, &tag);
520  if (tag == MP4DecSpecificDescrTag) {
521  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
522  if (!len || (uint64_t)len > (1<<30))
523  return -1;
524  av_free(st->codecpar->extradata);
525  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
526  return ret;
527  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
528  MPEG4AudioConfig cfg = {0};
530  st->codecpar->extradata_size * 8, 1);
531  if (ret < 0)
532  return ret;
533  st->codecpar->channels = cfg.channels;
534  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
536  else if (cfg.ext_sample_rate)
538  else
539  st->codecpar->sample_rate = cfg.sample_rate;
540  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
541  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
542  cfg.object_type, cfg.ext_object_type,
543  cfg.sample_rate, cfg.ext_sample_rate);
544  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
545  cfg.object_type)))
547  }
548  }
549  return 0;
550 }
551 
552 typedef struct MovChannelLayout {
553  int64_t channel_layout;
554  uint32_t layout_tag;
556 
558  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
559  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
560  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
561  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
562  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
563  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
564  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
565  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
566  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
567  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
568  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
569  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
570  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
571  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
572  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
573  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
574  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
575  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
576  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
577  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
578  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
579  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
580  { 0, 0},
581 };
582 #if 0
583 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
584 {
585  AVCodecContext *codec= st->codec;
586  uint32_t layout_tag;
587  AVIOContext *pb = s->pb;
589 
590  if (size < 12)
591  return AVERROR_INVALIDDATA;
592 
593  layout_tag = avio_rb32(pb);
594  size -= 4;
595  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
596  // Channel descriptions not implemented
597  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
598  avio_skip(pb, size);
599  return 0;
600  }
601  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
602  codec->channel_layout = avio_rb32(pb);
603  size -= 4;
604  avio_skip(pb, size);
605  return 0;
606  }
607  while (layouts->channel_layout) {
608  if (layout_tag == layouts->layout_tag) {
609  codec->channel_layout = layouts->channel_layout;
610  break;
611  }
612  layouts++;
613  }
614  if (!codec->channel_layout)
615  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
616  avio_skip(pb, size);
617 
618  return 0;
619 }
620 #endif
621 
622 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
623 {
624  const MovChannelLayout *layouts;
625  uint32_t layout_tag = 0;
626 
627  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
628  if (channel_layout == layouts->channel_layout) {
629  layout_tag = layouts->layout_tag;
630  break;
631  }
632 
633  if (layout_tag) {
634  avio_wb32(pb, layout_tag); // mChannelLayoutTag
635  avio_wb32(pb, 0); // mChannelBitmap
636  } else {
637  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
638  avio_wb32(pb, channel_layout);
639  }
640  avio_wb32(pb, 0); // mNumberChannelDescriptions
641 }
642 
644 {
645  return ff_codec_movvideo_tags;
646 }
647 
649 {
650  return ff_codec_movaudio_tags;
651 }
N Parametric Stereo.
Definition: mpeg4audio.h:96
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:397
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:484
#define AV_CH_LAYOUT_7POINT1
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:155
#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:468
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3049
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:557
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4074
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:318
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:759
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:554
Format I/O context.
Definition: avformat.h:1349
static const char mov_mdhd_language_map[][4]
Definition: isom.c:375
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:648
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:774
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:1446
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:4103
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:643
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:493
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:446
#define MP4DecSpecificDescrTag
Definition: isom.h:275
int64_t channel_layout
Definition: isom.c:553
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:553
#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:364
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2545
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4092
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:612
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
static const uint16_t fc[]
Definition: dcaenc.h:41
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:767
#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:424
Stream structure.
Definition: avformat.h:889
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:687
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:307
Y Layer 2.
Definition: mpeg4audio.h:100
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
main external API structure.
Definition: avcodec.h:1732
#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:4184
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:622
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:459
#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:3233
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:570
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4088
int channels
Audio only.
Definition: avcodec.h:4180
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:371
AVCodecParameters * codecpar
Definition: avformat.h:1252
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342