FFmpeg
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isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
35  { AV_CODEC_ID_MOV_TEXT , 0x08 },
36  { AV_CODEC_ID_MPEG4 , 0x20 },
37  { AV_CODEC_ID_H264 , 0x21 },
38  { AV_CODEC_ID_HEVC , 0x23 },
39  { AV_CODEC_ID_AAC , 0x40 },
40  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG2 Main */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG2 Simple */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG2 SNR */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG2 Spatial */
45  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG2 High */
46  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG2 422 */
47  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
48  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
49  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG2 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_TSCC2 , 0xD0 }, /* non standard, camtasia uses it */
63  { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
64  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
65  { AV_CODEC_ID_QCELP , 0xE1 },
66  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
67  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
68  { AV_CODEC_ID_NONE , 0 },
69 };
70 
72 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
73 
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
78 
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
95 
96  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
97  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
98  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
99  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
100  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
101  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
102  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
103  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
104  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4 */
105  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4:4 */
106  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
107  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* UNCOMPRESSED 12BIT 4:1:1 */
108  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
109  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
110 
111  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
112  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
113  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
114 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
115  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
116  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
117 
118  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
119  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
120  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
121  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
122 
123  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
124  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
125  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
126  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
127 
128  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
129  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
130 
131  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
146 
147  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
148  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
149  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
150  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
151  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
152  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
153  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
154  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
155  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
156 
157  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
158 
159  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
160  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
161 
162  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
163  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
164  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
178  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
180  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
181 
182  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
183  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
184  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
185  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
232 
233  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
234 
235  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
236  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
237  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
238  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
239  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
240 
241  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
242  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
243 
244  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
245  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
246  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
247  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
248  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
249  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
250  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
251  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
252  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
253  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
254 
255  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
256  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
257  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
258  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
259  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
261  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
262 
263  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
264 
265  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
266  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
267  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
268 
269  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
270  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
271 
272  { AV_CODEC_ID_NONE, 0 },
273 };
274 
276  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
277  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
278  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
279  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
280  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
281  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
282  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
283  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
284  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
285  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
286  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
287  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
288  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
289  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
290  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
291  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
292  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
293  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
294  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
295  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
296  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
297  { AV_CODEC_ID_MP3, 0x6D730055 },
298  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
299  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
300  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
301  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
302  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
303  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
304  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
305  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
306  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
307  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
308  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
309  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
310  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
311  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
312  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
313  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
314  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
315  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
316  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
317  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
318  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
319  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
320  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
321  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
322  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
323  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
324  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
325  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
326  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
327  { AV_CODEC_ID_NONE, 0 },
328 };
329 
331  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
332  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
333  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
334  { AV_CODEC_ID_NONE, 0 },
335 };
336 
337 /* map numeric codes from mdhd atom to ISO 639 */
338 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
339 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
340 /* deprecated by putting the code as 3*5bit ascii */
341 static const char mov_mdhd_language_map[][4] = {
342  /* 0-9 */
343  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
344  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
345  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
346  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
347  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
348  /*?*/
349  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
350  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
351  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
352  /* roman? arabic? */
353  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
354  /*==rundi?*/
355  "", "run", "", "mlg", "epo", "", "", "", "", "",
356  /* 100 */
357  "", "", "", "", "", "", "", "", "", "",
358  "", "", "", "", "", "", "", "", "", "",
359  "", "", "", "", "", "", "", "", "wel", "baq",
360  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
361 };
362 
363 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
364 {
365  int i, code = 0;
366 
367  /* old way, only for QT? */
368  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
369  if (!strcmp(lang, mov_mdhd_language_map[i]))
370  return i;
371  }
372  /* XXX:can we do that in mov too? */
373  if (!mp4)
374  return -1;
375  /* handle undefined as such */
376  if (lang[0] == '\0')
377  lang = "und";
378  /* 5bit ascii */
379  for (i = 0; i < 3; i++) {
380  uint8_t c = lang[i];
381  c -= 0x60;
382  if (c > 0x1f)
383  return -1;
384  code <<= 5;
385  code |= c;
386  }
387  return code;
388 }
389 
390 int ff_mov_lang_to_iso639(unsigned code, char to[4])
391 {
392  int i;
393  memset(to, 0, 4);
394  /* is it the mangled iso code? */
395  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
396  if (code >= 0x400 && code != 0x7fff) {
397  for (i = 2; i >= 0; i--) {
398  to[i] = 0x60 + (code & 0x1f);
399  code >>= 5;
400  }
401  return 1;
402  }
403  /* old fashion apple lang code */
405  return 0;
406  if (!mov_mdhd_language_map[code][0])
407  return 0;
408  memcpy(to, mov_mdhd_language_map[code], 4);
409  return 1;
410 }
411 
413 {
414  int len = 0;
415  int count = 4;
416  while (count--) {
417  int c = avio_r8(pb);
418  len = (len << 7) | (c & 0x7f);
419  if (!(c & 0x80))
420  break;
421  }
422  return len;
423 }
424 
426 {
427  int len;
428  *tag = avio_r8(pb);
429  len = ff_mp4_read_descr_len(pb);
430  av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
431  return len;
432 }
433 
434 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
435 {
436  int flags;
437  if (es_id) *es_id = avio_rb16(pb);
438  else avio_rb16(pb);
439  flags = avio_r8(pb);
440  if (flags & 0x80) //streamDependenceFlag
441  avio_rb16(pb);
442  if (flags & 0x40) { //URL_Flag
443  int len = avio_r8(pb);
444  avio_skip(pb, len);
445  }
446  if (flags & 0x20) //OCRstreamFlag
447  avio_rb16(pb);
448 }
449 
450 static const AVCodecTag mp4_audio_types[] = {
451  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
452  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
453  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
454  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
455  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
457 };
458 
460 {
461  enum AVCodecID codec_id;
462  unsigned v;
463  int len, tag;
464  int ret;
465  int object_type_id = avio_r8(pb);
466  avio_r8(pb); /* stream type */
467  avio_rb24(pb); /* buffer size db */
468 
469  v = avio_rb32(pb);
470  // TODO: fix this
471  //if (v < INT32_MAX)
472  // st->codecpar->rc_max_rate = v;
473 
474  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
475 
476  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
477  if (codec_id)
478  st->codecpar->codec_id = codec_id;
479  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
480  len = ff_mp4_read_descr(fc, pb, &tag);
481  if (tag == MP4DecSpecificDescrTag) {
482  av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len);
483  if (!len || (uint64_t)len > (1<<30))
484  return -1;
485  av_free(st->codecpar->extradata);
486  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
487  return ret;
488  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
489  MPEG4AudioConfig cfg = {0};
491  st->codecpar->extradata_size * 8, 1);
492  st->codecpar->channels = cfg.channels;
493  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
495  else if (cfg.ext_sample_rate)
497  else
498  st->codecpar->sample_rate = cfg.sample_rate;
499  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
500  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
501  cfg.object_type, cfg.ext_object_type,
502  cfg.sample_rate, cfg.ext_sample_rate);
503  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
504  cfg.object_type)))
506  }
507  }
508  return 0;
509 }
510 
511 typedef struct MovChannelLayout {
512  int64_t channel_layout;
513  uint32_t layout_tag;
515 
517  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
518  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
519  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
520  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
521  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
522  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
523  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
524  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
525  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
526  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
527  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
528  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
529  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
530  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
531  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
532  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
533  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
534  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
535  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
536  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
537  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
538  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
539  { 0, 0},
540 };
541 #if 0
542 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
543 {
544  AVCodecContext *codec= st->codec;
545  uint32_t layout_tag;
546  AVIOContext *pb = s->pb;
548 
549  if (size < 12)
550  return AVERROR_INVALIDDATA;
551 
552  layout_tag = avio_rb32(pb);
553  size -= 4;
554  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
555  // Channel descriptions not implemented
556  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
557  avio_skip(pb, size);
558  return 0;
559  }
560  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
561  codec->channel_layout = avio_rb32(pb);
562  size -= 4;
563  avio_skip(pb, size);
564  return 0;
565  }
566  while (layouts->channel_layout) {
567  if (layout_tag == layouts->layout_tag) {
568  codec->channel_layout = layouts->channel_layout;
569  break;
570  }
571  layouts++;
572  }
573  if (!codec->channel_layout)
574  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
575  avio_skip(pb, size);
576 
577  return 0;
578 }
579 #endif
580 
581 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
582 {
583  const MovChannelLayout *layouts;
584  uint32_t layout_tag = 0;
585 
586  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
587  if (channel_layout == layouts->channel_layout) {
588  layout_tag = layouts->layout_tag;
589  break;
590  }
591 
592  if (layout_tag) {
593  avio_wb32(pb, layout_tag); // mChannelLayoutTag
594  avio_wb32(pb, 0); // mChannelBitmap
595  } else {
596  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
597  avio_wb32(pb, channel_layout);
598  }
599  avio_wb32(pb, 0); // mNumberChannelDescriptions
600 }
601 
603 {
604  return ff_codec_movvideo_tags;
605 }
606 
608 {
609  return ff_codec_movaudio_tags;
610 }
N Parametric Stereo.
Definition: mpeg4audio.h:86
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:363
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:450
#define AV_CH_LAYOUT_7POINT1
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:111
#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:434
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2944
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:516
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3915
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:287
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:688
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:513
Format I/O context.
Definition: avformat.h:1319
static const char mov_mdhd_language_map[][4]
Definition: isom.c:341
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:607
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:71
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:703
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1353
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:3944
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:602
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:459
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:189
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:412
#define MP4DecSpecificDescrTag
Definition: isom.h:245
int64_t channel_layout
Definition: isom.c:512
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:512
#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:330
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2454
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3933
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:541
#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:696
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:194
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:390
Stream structure.
Definition: avformat.h:876
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:643
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:275
Y Layer 2.
Definition: mpeg4audio.h:90
AVIOContext * pb
I/O context.
Definition: avformat.h:1361
main external API structure.
Definition: avcodec.h:1642
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
static int flags
Definition: cpu.c:47
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: avcodec.h:4025
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:581
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:425
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:3126
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:81
Y Audio LosslesS.
Definition: mpeg4audio.h:93
#define av_free(p)
Y Layer 3.
Definition: mpeg4audio.h:91
as in Berlin toast format
Definition: avcodec.h:529
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3929
int channels
Audio only.
Definition: avcodec.h:4021
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:337
AVCodecParameters * codecpar
Definition: avformat.h:1006
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342