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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_VP9 , 0xC0 }, /* nonstandard, update when there is a standard value */
63  { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
64  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
65  { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
66  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
67  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
68  { AV_CODEC_ID_QCELP , 0xE1 },
69  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
70  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
71  { AV_CODEC_ID_NONE , 0 },
72 };
73 
75 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
76 
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
81 
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
98  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
99 
100  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
101  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
103  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
104  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
105  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
106  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
107  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
108  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
109  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
110  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
111  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
112  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
113  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
114 
115  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
116  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
117  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
118 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
119  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
120  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
121 
122  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
123  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
124  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
125  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
126 
127  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
128  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
129  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
130  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
131 
132  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
133  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
134 
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
149  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
150 
151  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
152  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
153  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
154  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
155  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
156  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
157  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
158  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
159  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
160 
161  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
162 
163  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
164  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
165 
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
182  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
184  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
185  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
186  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
187 
188  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
189 
190  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
191  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
192  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
240 
241  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
242 
243  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
244  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
245  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
246  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
247  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
248 
249  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
250  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
251 
252  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
253  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
254  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
255  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
256  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
257  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
258  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
259  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
260  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
261  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
262 
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
269  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
270 
271  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
272 
273  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
274  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
275  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
276 
277  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
278  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
279 
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
291 
292  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
293  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
294  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
295  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
296  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
300 
301  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
302 
303  { AV_CODEC_ID_NONE, 0 },
304 };
305 
307  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
308  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
309  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
310  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
311  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
312  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
313  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
314  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
315  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
316  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
317  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
318  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
319  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
320  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
321  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
322  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
323  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
324  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
325  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
326  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
327  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
328  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
329  { AV_CODEC_ID_MP3, 0x6D730055 },
330  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
331  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
332  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
333  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
334  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
335  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
336  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
337  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
338  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
339  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
340  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
341  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
342  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
343  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
344  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
345  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
346  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
347  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
348  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
349  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
350  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
351  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
352  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
353  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
354  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
355  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
356  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
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_NONE, 0 },
361 };
362 
364  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
365  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
366  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
367  { AV_CODEC_ID_NONE, 0 },
368 };
369 
370 /* map numeric codes from mdhd atom to ISO 639 */
371 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
372 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
373 /* deprecated by putting the code as 3*5 bits ASCII */
374 static const char mov_mdhd_language_map[][4] = {
375  /* 0-9 */
376  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
377  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
378  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
379  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
380  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
381  /*?*/
382  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
383  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
384  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
385  /* roman? arabic? */
386  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
387  /*==rundi?*/
388  "", "run", "", "mlg", "epo", "", "", "", "", "",
389  /* 100 */
390  "", "", "", "", "", "", "", "", "", "",
391  "", "", "", "", "", "", "", "", "", "",
392  "", "", "", "", "", "", "", "", "wel", "baq",
393  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
394 };
395 
396 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
397 {
398  int i, code = 0;
399 
400  /* old way, only for QT? */
401  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
402  if (!strcmp(lang, mov_mdhd_language_map[i]))
403  return i;
404  }
405  /* XXX:can we do that in mov too? */
406  if (!mp4)
407  return -1;
408  /* handle undefined as such */
409  if (lang[0] == '\0')
410  lang = "und";
411  /* 5 bits ASCII */
412  for (i = 0; i < 3; i++) {
413  uint8_t c = lang[i];
414  c -= 0x60;
415  if (c > 0x1f)
416  return -1;
417  code <<= 5;
418  code |= c;
419  }
420  return code;
421 }
422 
423 int ff_mov_lang_to_iso639(unsigned code, char to[4])
424 {
425  int i;
426  memset(to, 0, 4);
427  /* is it the mangled iso code? */
428  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
429  if (code >= 0x400 && code != 0x7fff) {
430  for (i = 2; i >= 0; i--) {
431  to[i] = 0x60 + (code & 0x1f);
432  code >>= 5;
433  }
434  return 1;
435  }
436  /* old fashion apple lang code */
438  return 0;
439  if (!mov_mdhd_language_map[code][0])
440  return 0;
441  memcpy(to, mov_mdhd_language_map[code], 4);
442  return 1;
443 }
444 
446 {
447  int len = 0;
448  int count = 4;
449  while (count--) {
450  int c = avio_r8(pb);
451  len = (len << 7) | (c & 0x7f);
452  if (!(c & 0x80))
453  break;
454  }
455  return len;
456 }
457 
459 {
460  int len;
461  *tag = avio_r8(pb);
462  len = ff_mp4_read_descr_len(pb);
463  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
464  return len;
465 }
466 
467 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
468 {
469  int flags;
470  if (es_id) *es_id = avio_rb16(pb);
471  else avio_rb16(pb);
472  flags = avio_r8(pb);
473  if (flags & 0x80) //streamDependenceFlag
474  avio_rb16(pb);
475  if (flags & 0x40) { //URL_Flag
476  int len = avio_r8(pb);
477  avio_skip(pb, len);
478  }
479  if (flags & 0x20) //OCRstreamFlag
480  avio_rb16(pb);
481 }
482 
483 static const AVCodecTag mp4_audio_types[] = {
484  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
485  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
486  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
487  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
488  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
490 };
491 
493 {
494  enum AVCodecID codec_id;
495  unsigned v;
496  int len, tag;
497  int ret;
498  int object_type_id = avio_r8(pb);
499  avio_r8(pb); /* stream type */
500  avio_rb24(pb); /* buffer size db */
501 
502  v = avio_rb32(pb);
503 
504  // TODO: fix this with codecpar
505 #if FF_API_LAVF_AVCTX
507  if (v < INT32_MAX)
508  st->codec->rc_max_rate = v;
510 #endif
511 
512  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
513 
514  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
515  if (codec_id)
516  st->codecpar->codec_id = codec_id;
517  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
518  len = ff_mp4_read_descr(fc, pb, &tag);
519  if (tag == MP4DecSpecificDescrTag) {
520  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
521  if (!len || (uint64_t)len > (1<<30))
522  return -1;
523  av_free(st->codecpar->extradata);
524  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
525  return ret;
526  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
527  MPEG4AudioConfig cfg = {0};
529  st->codecpar->extradata_size * 8, 1);
530  if (ret < 0)
531  return ret;
532  st->codecpar->channels = cfg.channels;
533  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
535  else if (cfg.ext_sample_rate)
537  else
538  st->codecpar->sample_rate = cfg.sample_rate;
539  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
540  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
541  cfg.object_type, cfg.ext_object_type,
542  cfg.sample_rate, cfg.ext_sample_rate);
543  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
544  cfg.object_type)))
546  }
547  }
548  return 0;
549 }
550 
551 typedef struct MovChannelLayout {
552  int64_t channel_layout;
553  uint32_t layout_tag;
555 
557  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
558  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
559  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
560  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
561  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
562  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
563  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
564  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
565  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
566  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
567  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
568  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
569  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
570  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
571  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
572  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
573  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
574  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
575  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
576  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
577  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
578  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
579  { 0, 0},
580 };
581 #if 0
582 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
583 {
584  AVCodecContext *codec= st->codec;
585  uint32_t layout_tag;
586  AVIOContext *pb = s->pb;
588 
589  if (size < 12)
590  return AVERROR_INVALIDDATA;
591 
592  layout_tag = avio_rb32(pb);
593  size -= 4;
594  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
595  // Channel descriptions not implemented
596  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
597  avio_skip(pb, size);
598  return 0;
599  }
600  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
601  codec->channel_layout = avio_rb32(pb);
602  size -= 4;
603  avio_skip(pb, size);
604  return 0;
605  }
606  while (layouts->channel_layout) {
607  if (layout_tag == layouts->layout_tag) {
608  codec->channel_layout = layouts->channel_layout;
609  break;
610  }
611  layouts++;
612  }
613  if (!codec->channel_layout)
614  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
615  avio_skip(pb, size);
616 
617  return 0;
618 }
619 #endif
620 
621 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
622 {
623  const MovChannelLayout *layouts;
624  uint32_t layout_tag = 0;
625 
626  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
627  if (channel_layout == layouts->channel_layout) {
628  layout_tag = layouts->layout_tag;
629  break;
630  }
631 
632  if (layout_tag) {
633  avio_wb32(pb, layout_tag); // mChannelLayoutTag
634  avio_wb32(pb, 0); // mChannelBitmap
635  } else {
636  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
637  avio_wb32(pb, channel_layout);
638  }
639  avio_wb32(pb, 0); // mNumberChannelDescriptions
640 }
641 
643 {
644  return ff_codec_movvideo_tags;
645 }
646 
648 {
649  return ff_codec_movaudio_tags;
650 }
N Parametric Stereo.
Definition: mpeg4audio.h:96
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:396
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:483
#define AV_CH_LAYOUT_7POINT1
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:147
#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:467
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3045
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:556
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4026
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:314
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:752
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:553
Format I/O context.
Definition: avformat.h:1341
static const char mov_mdhd_language_map[][4]
Definition: isom.c:374
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:647
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:74
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:767
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:1412
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:4055
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:642
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:492
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:191
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:445
#define MP4DecSpecificDescrTag
Definition: isom.h:274
int64_t channel_layout
Definition: isom.c:552
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:524
#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:363
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2504
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4044
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:605
#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:760
#define AV_CH_LAYOUT_STEREO_DOWNMIX
enum AVCodecID codec_id
Definition: vaapi_decode.c:234
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:196
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:423
Stream structure.
Definition: avformat.h:889
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:658
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:306
Y Layer 2.
Definition: mpeg4audio.h:100
AVIOContext * pb
I/O context.
Definition: avformat.h:1383
main external API structure.
Definition: avcodec.h:1691
#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:4136
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:621
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:458
#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:3229
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:85
Y Layer 3.
Definition: mpeg4audio.h:101
as in Berlin toast format
Definition: avcodec.h:541
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4040
int channels
Audio only.
Definition: avcodec.h:4132
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:364
AVCodecParameters * codecpar
Definition: avformat.h:1244
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342