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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_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
190  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
191  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
192 
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
194  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
195  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
196  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
242  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
243 
244  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
245 
246  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
247  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
248  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
249  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
250  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
251 
252  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
253  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
254 
255  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
256  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
257  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
258  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
259  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
260  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
261  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
262  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
263  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
264  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
265 
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
269  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
270  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
271  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
272  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
273 
274  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
275 
276  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
277  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
278  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
279  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
280  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
281 
282  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
283  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
284 
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
298 
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
301  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
302  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
303  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
304  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
307 
308  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
309 
310  { AV_CODEC_ID_NONE, 0 },
311 };
312 
314  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
315  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
316  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
317  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
318  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
319  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
320  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
321  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
322  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
323  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
324  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
325  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
326  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
327  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
328  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
329  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
330  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
331  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
332  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
333  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
334  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
335  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
336  { AV_CODEC_ID_MP3, 0x6D730055 },
337  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
338  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
339  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
340  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
341  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
342  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
343  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
344  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
345  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
346  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
347  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
348  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
349  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
350  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
351  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
352  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
353  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
354  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
355  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
356  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
357  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
358  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
359  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
360  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
361  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
362  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
363  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
364  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
365  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
366  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
367  { AV_CODEC_ID_NONE, 0 },
368 };
369 
371  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
372  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
373  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
374  { AV_CODEC_ID_NONE, 0 },
375 };
376 
378  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
379  { AV_CODEC_ID_NONE, 0 },
380 };
381 
382 /* map numeric codes from mdhd atom to ISO 639 */
383 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
384 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
385 /* deprecated by putting the code as 3*5 bits ASCII */
386 static const char mov_mdhd_language_map[][4] = {
387  /* 0-9 */
388  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
389  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
390  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
391  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
392  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
393  /*?*/
394  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
395  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
396  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
397  /* roman? arabic? */
398  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
399  /*==rundi?*/
400  "", "run", "", "mlg", "epo", "", "", "", "", "",
401  /* 100 */
402  "", "", "", "", "", "", "", "", "", "",
403  "", "", "", "", "", "", "", "", "", "",
404  "", "", "", "", "", "", "", "", "wel", "baq",
405  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
406 };
407 
408 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
409 {
410  int i, code = 0;
411 
412  /* old way, only for QT? */
413  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
414  if (!strcmp(lang, mov_mdhd_language_map[i]))
415  return i;
416  }
417  /* XXX:can we do that in mov too? */
418  if (!mp4)
419  return -1;
420  /* handle undefined as such */
421  if (lang[0] == '\0')
422  lang = "und";
423  /* 5 bits ASCII */
424  for (i = 0; i < 3; i++) {
425  uint8_t c = lang[i];
426  c -= 0x60;
427  if (c > 0x1f)
428  return -1;
429  code <<= 5;
430  code |= c;
431  }
432  return code;
433 }
434 
435 int ff_mov_lang_to_iso639(unsigned code, char to[4])
436 {
437  int i;
438  memset(to, 0, 4);
439  /* is it the mangled iso code? */
440  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
441  if (code >= 0x400 && code != 0x7fff) {
442  for (i = 2; i >= 0; i--) {
443  to[i] = 0x60 + (code & 0x1f);
444  code >>= 5;
445  }
446  return 1;
447  }
448  /* old fashion apple lang code */
450  return 0;
451  if (!mov_mdhd_language_map[code][0])
452  return 0;
453  memcpy(to, mov_mdhd_language_map[code], 4);
454  return 1;
455 }
456 
458 {
459  int len = 0;
460  int count = 4;
461  while (count--) {
462  int c = avio_r8(pb);
463  len = (len << 7) | (c & 0x7f);
464  if (!(c & 0x80))
465  break;
466  }
467  return len;
468 }
469 
471 {
472  int len;
473  *tag = avio_r8(pb);
474  len = ff_mp4_read_descr_len(pb);
475  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
476  return len;
477 }
478 
479 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
480 {
481  int flags;
482  if (es_id) *es_id = avio_rb16(pb);
483  else avio_rb16(pb);
484  flags = avio_r8(pb);
485  if (flags & 0x80) //streamDependenceFlag
486  avio_rb16(pb);
487  if (flags & 0x40) { //URL_Flag
488  int len = avio_r8(pb);
489  avio_skip(pb, len);
490  }
491  if (flags & 0x20) //OCRstreamFlag
492  avio_rb16(pb);
493 }
494 
495 static const AVCodecTag mp4_audio_types[] = {
496  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
497  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
498  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
499  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
500  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
502 };
503 
505 {
506  enum AVCodecID codec_id;
507  unsigned v;
508  int len, tag;
509  int ret;
510  int object_type_id = avio_r8(pb);
511  avio_r8(pb); /* stream type */
512  avio_rb24(pb); /* buffer size db */
513 
514  v = avio_rb32(pb);
515 
516  // TODO: fix this with codecpar
517 #if FF_API_LAVF_AVCTX
519  if (v < INT32_MAX)
520  st->codec->rc_max_rate = v;
522 #endif
523 
524  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
525 
526  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
527  if (codec_id)
528  st->codecpar->codec_id = codec_id;
529  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
530  len = ff_mp4_read_descr(fc, pb, &tag);
531  if (tag == MP4DecSpecificDescrTag) {
532  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
533  if (!len || (uint64_t)len > (1<<30))
534  return AVERROR_INVALIDDATA;
535  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
536  return ret;
537  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
538  MPEG4AudioConfig cfg = {0};
540  st->codecpar->extradata_size * 8, 1);
541  if (ret < 0)
542  return ret;
543  st->codecpar->channels = cfg.channels;
544  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
546  else if (cfg.ext_sample_rate)
548  else
549  st->codecpar->sample_rate = cfg.sample_rate;
550  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
551  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
552  cfg.object_type, cfg.ext_object_type,
553  cfg.sample_rate, cfg.ext_sample_rate);
554  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
555  cfg.object_type)))
557  }
558  }
559  return 0;
560 }
561 
562 typedef struct MovChannelLayout {
563  int64_t channel_layout;
564  uint32_t layout_tag;
566 
568  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
569  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
570  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
571  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
572  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
573  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
574  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
575  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
576  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
577  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
578  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
579  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
580  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
581  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
582  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
583  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
584  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
585  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
586  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
587  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
588  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
589  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
590  { 0, 0},
591 };
592 #if 0
593 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
594 {
595  AVCodecContext *codec= st->codec;
596  uint32_t layout_tag;
597  AVIOContext *pb = s->pb;
599 
600  if (size < 12)
601  return AVERROR_INVALIDDATA;
602 
603  layout_tag = avio_rb32(pb);
604  size -= 4;
605  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
606  // Channel descriptions not implemented
607  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
608  avio_skip(pb, size);
609  return 0;
610  }
611  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
612  codec->channel_layout = avio_rb32(pb);
613  size -= 4;
614  avio_skip(pb, size);
615  return 0;
616  }
617  while (layouts->channel_layout) {
618  if (layout_tag == layouts->layout_tag) {
619  codec->channel_layout = layouts->channel_layout;
620  break;
621  }
622  layouts++;
623  }
624  if (!codec->channel_layout)
625  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
626  avio_skip(pb, size);
627 
628  return 0;
629 }
630 #endif
631 
632 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
633 {
634  const MovChannelLayout *layouts;
635  uint32_t layout_tag = 0;
636 
637  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
638  if (channel_layout == layouts->channel_layout) {
639  layout_tag = layouts->layout_tag;
640  break;
641  }
642 
643  if (layout_tag) {
644  avio_wb32(pb, layout_tag); // mChannelLayoutTag
645  avio_wb32(pb, 0); // mChannelBitmap
646  } else {
647  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
648  avio_wb32(pb, channel_layout);
649  }
650  avio_wb32(pb, 0); // mNumberChannelDescriptions
651 }
652 
654 {
655  return ff_codec_movvideo_tags;
656 }
657 
659 {
660  return ff_codec_movaudio_tags;
661 }
N Parametric Stereo.
Definition: mpeg4audio.h:100
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:408
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:495
#define AV_CH_LAYOUT_7POINT1
Bytestream IO Context.
Definition: avio.h:161
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:479
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3124
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:567
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3900
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:331
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:786
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:564
Format I/O context.
Definition: avformat.h:1351
static const char mov_mdhd_language_map[][4]
Definition: isom.c:386
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:658
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:801
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1483
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:3929
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:653
#define AV_CH_LAYOUT_5POINT1
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:586
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:377
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:504
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:457
#define MP4DecSpecificDescrTag
Definition: isom.h:301
int64_t channel_layout
Definition: isom.c:563
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:559
#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:370
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2240
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3918
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:639
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:794
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define s(width, name)
Definition: cbs_vp9.c:257
enum AVCodecID codec_id
Definition: vaapi_decode.c:364
#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:435
Stream structure.
Definition: avformat.h:874
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:697
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:313
Y Layer 2.
Definition: mpeg4audio.h:104
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
main external API structure.
Definition: avcodec.h:1533
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define flags(name, subs,...)
Definition: cbs_av1.c:596
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: avcodec.h:4010
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:632
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:470
#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:3305
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:155
Y Audio LosslesS.
Definition: mpeg4audio.h:107
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Y Layer 3.
Definition: mpeg4audio.h:105
as in Berlin toast format
Definition: avcodec.h:576
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3914
int channels
Audio only.
Definition: avcodec.h:4006
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:377
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1021
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:366