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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_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
66  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
67  { AV_CODEC_ID_QCELP , 0xE1 },
68  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
69  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
70  { AV_CODEC_ID_NONE , 0 },
71 };
72 
74 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
75 
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
80 
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
98 
99  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
100  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
101  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
103  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
104  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
105  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
106  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
107  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
108  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
109  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
110  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
111  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
112  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
113 
114  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
115  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
116  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
117 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
118  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
119  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
120 
121  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
122  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
123  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
124  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
125 
126  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
127  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
128  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
129  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
130 
131  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
132  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
133 
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
149 
150  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
151  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
152  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
153  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
154  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
155  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
156  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
157  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
158  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
159 
160  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
161 
162  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
163  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
164 
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
181  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
183  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
184 
185  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
186 
187  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
188  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
189  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
190  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
237 
238  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
239 
240  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
241  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
242  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
243  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
244  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
245 
246  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
247  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
248 
249  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
250  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
251  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
252  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
253  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
254  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
255  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
256  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
257  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
258  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
259 
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
261  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
262  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
266  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
267 
268  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
269 
270  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
271  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
272  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
273 
274  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
275  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
276 
277  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
278  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
279  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
284 
285  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
286  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
287  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
288  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
289  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
290  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
291  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
292  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
293 
294  { AV_CODEC_ID_NONE, 0 },
295 };
296 
298  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
299  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
300  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
301  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
302  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
303  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
304  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
305  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
306  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
307  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
308  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
309  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
310  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
311  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
312  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
313  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
314  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
315  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
316  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
317  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
318  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
319  { AV_CODEC_ID_MP3, 0x6D730055 },
320  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
321  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
322  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
323  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
324  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
325  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
326  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
327  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
328  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
329  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
330  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
331  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
332  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
333  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
334  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
335  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
336  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
337  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
338  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
339  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
340  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
341  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
342  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
343  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
344  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
345  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
346  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
347  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
348  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
349  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
350  { AV_CODEC_ID_NONE, 0 },
351 };
352 
354  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
355  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
356  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
357  { AV_CODEC_ID_NONE, 0 },
358 };
359 
360 /* map numeric codes from mdhd atom to ISO 639 */
361 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
362 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
363 /* deprecated by putting the code as 3*5 bits ASCII */
364 static const char mov_mdhd_language_map[][4] = {
365  /* 0-9 */
366  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
367  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
368  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
369  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
370  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
371  /*?*/
372  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
373  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
374  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
375  /* roman? arabic? */
376  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
377  /*==rundi?*/
378  "", "run", "", "mlg", "epo", "", "", "", "", "",
379  /* 100 */
380  "", "", "", "", "", "", "", "", "", "",
381  "", "", "", "", "", "", "", "", "", "",
382  "", "", "", "", "", "", "", "", "wel", "baq",
383  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
384 };
385 
386 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
387 {
388  int i, code = 0;
389 
390  /* old way, only for QT? */
391  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
392  if (!strcmp(lang, mov_mdhd_language_map[i]))
393  return i;
394  }
395  /* XXX:can we do that in mov too? */
396  if (!mp4)
397  return -1;
398  /* handle undefined as such */
399  if (lang[0] == '\0')
400  lang = "und";
401  /* 5 bits ASCII */
402  for (i = 0; i < 3; i++) {
403  uint8_t c = lang[i];
404  c -= 0x60;
405  if (c > 0x1f)
406  return -1;
407  code <<= 5;
408  code |= c;
409  }
410  return code;
411 }
412 
413 int ff_mov_lang_to_iso639(unsigned code, char to[4])
414 {
415  int i;
416  memset(to, 0, 4);
417  /* is it the mangled iso code? */
418  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
419  if (code >= 0x400 && code != 0x7fff) {
420  for (i = 2; i >= 0; i--) {
421  to[i] = 0x60 + (code & 0x1f);
422  code >>= 5;
423  }
424  return 1;
425  }
426  /* old fashion apple lang code */
428  return 0;
429  if (!mov_mdhd_language_map[code][0])
430  return 0;
431  memcpy(to, mov_mdhd_language_map[code], 4);
432  return 1;
433 }
434 
436 {
437  int len = 0;
438  int count = 4;
439  while (count--) {
440  int c = avio_r8(pb);
441  len = (len << 7) | (c & 0x7f);
442  if (!(c & 0x80))
443  break;
444  }
445  return len;
446 }
447 
449 {
450  int len;
451  *tag = avio_r8(pb);
452  len = ff_mp4_read_descr_len(pb);
453  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
454  return len;
455 }
456 
457 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
458 {
459  int flags;
460  if (es_id) *es_id = avio_rb16(pb);
461  else avio_rb16(pb);
462  flags = avio_r8(pb);
463  if (flags & 0x80) //streamDependenceFlag
464  avio_rb16(pb);
465  if (flags & 0x40) { //URL_Flag
466  int len = avio_r8(pb);
467  avio_skip(pb, len);
468  }
469  if (flags & 0x20) //OCRstreamFlag
470  avio_rb16(pb);
471 }
472 
473 static const AVCodecTag mp4_audio_types[] = {
474  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
475  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
476  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
477  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
478  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
480 };
481 
483 {
484  enum AVCodecID codec_id;
485  unsigned v;
486  int len, tag;
487  int ret;
488  int object_type_id = avio_r8(pb);
489  avio_r8(pb); /* stream type */
490  avio_rb24(pb); /* buffer size db */
491 
492  v = avio_rb32(pb);
493 
494  // TODO: fix this with codecpar
495 #if FF_API_LAVF_AVCTX
497  if (v < INT32_MAX)
498  st->codec->rc_max_rate = v;
500 #endif
501 
502  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
503 
504  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
505  if (codec_id)
506  st->codecpar->codec_id = codec_id;
507  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
508  len = ff_mp4_read_descr(fc, pb, &tag);
509  if (tag == MP4DecSpecificDescrTag) {
510  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
511  if (!len || (uint64_t)len > (1<<30))
512  return -1;
513  av_free(st->codecpar->extradata);
514  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
515  return ret;
516  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
517  MPEG4AudioConfig cfg = {0};
519  st->codecpar->extradata_size * 8, 1);
520  if (ret < 0)
521  return ret;
522  st->codecpar->channels = cfg.channels;
523  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
525  else if (cfg.ext_sample_rate)
527  else
528  st->codecpar->sample_rate = cfg.sample_rate;
529  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
530  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
531  cfg.object_type, cfg.ext_object_type,
532  cfg.sample_rate, cfg.ext_sample_rate);
533  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
534  cfg.object_type)))
536  }
537  }
538  return 0;
539 }
540 
541 typedef struct MovChannelLayout {
542  int64_t channel_layout;
543  uint32_t layout_tag;
545 
547  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
548  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
549  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
550  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
551  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
552  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
553  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
554  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
555  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
556  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
557  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
558  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
559  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
560  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
561  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
562  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
563  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
564  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
565  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
566  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
567  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
568  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
569  { 0, 0},
570 };
571 #if 0
572 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
573 {
574  AVCodecContext *codec= st->codec;
575  uint32_t layout_tag;
576  AVIOContext *pb = s->pb;
578 
579  if (size < 12)
580  return AVERROR_INVALIDDATA;
581 
582  layout_tag = avio_rb32(pb);
583  size -= 4;
584  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
585  // Channel descriptions not implemented
586  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
587  avio_skip(pb, size);
588  return 0;
589  }
590  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
591  codec->channel_layout = avio_rb32(pb);
592  size -= 4;
593  avio_skip(pb, size);
594  return 0;
595  }
596  while (layouts->channel_layout) {
597  if (layout_tag == layouts->layout_tag) {
598  codec->channel_layout = layouts->channel_layout;
599  break;
600  }
601  layouts++;
602  }
603  if (!codec->channel_layout)
604  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
605  avio_skip(pb, size);
606 
607  return 0;
608 }
609 #endif
610 
611 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
612 {
613  const MovChannelLayout *layouts;
614  uint32_t layout_tag = 0;
615 
616  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
617  if (channel_layout == layouts->channel_layout) {
618  layout_tag = layouts->layout_tag;
619  break;
620  }
621 
622  if (layout_tag) {
623  avio_wb32(pb, layout_tag); // mChannelLayoutTag
624  avio_wb32(pb, 0); // mChannelBitmap
625  } else {
626  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
627  avio_wb32(pb, channel_layout);
628  }
629  avio_wb32(pb, 0); // mNumberChannelDescriptions
630 }
631 
633 {
634  return ff_codec_movvideo_tags;
635 }
636 
638 {
639  return ff_codec_movaudio_tags;
640 }
N Parametric Stereo.
Definition: mpeg4audio.h:86
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:386
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:473
#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
enum AVCodecID codec_id
Definition: ffmpeg_vaapi.c:149
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:457
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3027
Y Layer 1.
Definition: mpeg4audio.h:89
#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:546
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3981
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:304
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:742
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:543
Format I/O context.
Definition: avformat.h:1338
static const char mov_mdhd_language_map[][4]
Definition: isom.c:364
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:637
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:73
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:757
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:4010
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:632
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:482
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:191
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:435
#define MP4DecSpecificDescrTag
Definition: isom.h:255
int64_t channel_layout
Definition: isom.c:542
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:517
#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:353
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2489
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3999
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:595
#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:750
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#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:413
Stream structure.
Definition: avformat.h:889
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:649
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:297
Y Layer 2.
Definition: mpeg4audio.h:90
AVIOContext * pb
I/O context.
Definition: avformat.h:1380
main external API structure.
Definition: avcodec.h:1676
#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:4091
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:611
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:448
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
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:3211
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata to retrieve audio configuration.
Definition: mpeg4audio.c:86
Y Audio LosslesS.
Definition: mpeg4audio.h:93
#define av_free(p)
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:81
Y Layer 3.
Definition: mpeg4audio.h:91
as in Berlin toast format
Definition: avcodec.h:534
int len
static AVCodec * c
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3995
int channels
Audio only.
Definition: avcodec.h:4087
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
AVCodecParameters * codecpar
Definition: avformat.h:1241
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342