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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', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
175  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
177  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
178 
179  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
180  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
181  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
182  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
229 
230  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
231 
232  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
233  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
234  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
235  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
236  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
237 
238  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
239  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
240 
241  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
242  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
243  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
244  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
245  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
246  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
247  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
248  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
249  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
250 
251  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
252  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
253  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
254  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
255  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
256  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
257  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
258 
259  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
260 
261  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
262  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
263  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
264 
265  { AV_CODEC_ID_NONE, 0 },
266 };
267 
269  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
270  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
271  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
272  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
273  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
274  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
275  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
276  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
277  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
278  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
279  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
280  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
281  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
282  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
283  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
284  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
285  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
286  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
287  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
288  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
289  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
290  { AV_CODEC_ID_MP3, 0x6D730055 },
291  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
292  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
293  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
294  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
295  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
296  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
297  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
298  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
299  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
300  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
301  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
302  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
303  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
304  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
305  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
306  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
307  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
308  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
309  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
310  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
311  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
312  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
313  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
314  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
315  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
316  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
317  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
318  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
319  { AV_CODEC_ID_NONE, 0 },
320 };
321 
323  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
324  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
325  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
326  { AV_CODEC_ID_NONE, 0 },
327 };
328 
329 /* map numeric codes from mdhd atom to ISO 639 */
330 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
331 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
332 /* deprecated by putting the code as 3*5bit ascii */
333 static const char mov_mdhd_language_map[][4] = {
334  /* 0-9 */
335  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
336  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
337  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
338  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
339  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
340  /*?*/
341  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
342  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
343  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
344  /* roman? arabic? */
345  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
346  /*==rundi?*/
347  "", "run", "", "mlg", "epo", "", "", "", "", "",
348  /* 100 */
349  "", "", "", "", "", "", "", "", "", "",
350  "", "", "", "", "", "", "", "", "", "",
351  "", "", "", "", "", "", "", "", "wel", "baq",
352  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
353 };
354 
355 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
356 {
357  int i, code = 0;
358 
359  /* old way, only for QT? */
360  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
361  if (!strcmp(lang, mov_mdhd_language_map[i]))
362  return i;
363  }
364  /* XXX:can we do that in mov too? */
365  if (!mp4)
366  return -1;
367  /* handle undefined as such */
368  if (lang[0] == '\0')
369  lang = "und";
370  /* 5bit ascii */
371  for (i = 0; i < 3; i++) {
372  uint8_t c = lang[i];
373  c -= 0x60;
374  if (c > 0x1f)
375  return -1;
376  code <<= 5;
377  code |= c;
378  }
379  return code;
380 }
381 
382 int ff_mov_lang_to_iso639(unsigned code, char to[4])
383 {
384  int i;
385  memset(to, 0, 4);
386  /* is it the mangled iso code? */
387  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
388  if (code >= 0x400 && code != 0x7fff) {
389  for (i = 2; i >= 0; i--) {
390  to[i] = 0x60 + (code & 0x1f);
391  code >>= 5;
392  }
393  return 1;
394  }
395  /* old fashion apple lang code */
397  return 0;
398  if (!mov_mdhd_language_map[code][0])
399  return 0;
400  memcpy(to, mov_mdhd_language_map[code], 4);
401  return 1;
402 }
403 
405 {
406  int len = 0;
407  int count = 4;
408  while (count--) {
409  int c = avio_r8(pb);
410  len = (len << 7) | (c & 0x7f);
411  if (!(c & 0x80))
412  break;
413  }
414  return len;
415 }
416 
418 {
419  int len;
420  *tag = avio_r8(pb);
421  len = ff_mp4_read_descr_len(pb);
422  av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
423  return len;
424 }
425 
426 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
427 {
428  int flags;
429  if (es_id) *es_id = avio_rb16(pb);
430  else avio_rb16(pb);
431  flags = avio_r8(pb);
432  if (flags & 0x80) //streamDependenceFlag
433  avio_rb16(pb);
434  if (flags & 0x40) { //URL_Flag
435  int len = avio_r8(pb);
436  avio_skip(pb, len);
437  }
438  if (flags & 0x20) //OCRstreamFlag
439  avio_rb16(pb);
440 }
441 
442 static const AVCodecTag mp4_audio_types[] = {
443  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
444  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
445  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
446  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
447  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
449 };
450 
452 {
453  enum AVCodecID codec_id;
454  unsigned v;
455  int len, tag;
456  int ret;
457  int object_type_id = avio_r8(pb);
458  avio_r8(pb); /* stream type */
459  avio_rb24(pb); /* buffer size db */
460 
461  if(avcodec_is_open(st->codec)) {
462  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
463  return -1;
464  }
465 
466  v = avio_rb32(pb);
467  if (v < INT32_MAX)
468  st->codec->rc_max_rate = v;
469 
470  st->codec->bit_rate = avio_rb32(pb); /* avg bitrate */
471 
472  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
473  if (codec_id)
474  st->codec->codec_id= codec_id;
475  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
476  len = ff_mp4_read_descr(fc, pb, &tag);
477  if (tag == MP4DecSpecificDescrTag) {
478  av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len);
479  if (!len || (uint64_t)len > (1<<30))
480  return -1;
481  av_free(st->codec->extradata);
482  if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
483  return ret;
484  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
485  MPEG4AudioConfig cfg = {0};
487  st->codec->extradata_size * 8, 1);
488  st->codec->channels = cfg.channels;
489  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
491  else if (cfg.ext_sample_rate)
492  st->codec->sample_rate = cfg.ext_sample_rate;
493  else
494  st->codec->sample_rate = cfg.sample_rate;
495  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
496  "sample rate %d ext sample rate %d\n", st->codec->channels,
497  cfg.object_type, cfg.ext_object_type,
498  cfg.sample_rate, cfg.ext_sample_rate);
499  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
500  cfg.object_type)))
502  }
503  }
504  return 0;
505 }
506 
507 typedef struct MovChannelLayout {
508  int64_t channel_layout;
509  uint32_t layout_tag;
511 
513  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
514  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
515  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
516  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
517  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
518  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
519  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
520  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
521  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
522  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
523  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
524  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
525  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
526  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
527  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
528  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
529  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
530  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
531  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
532  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
533  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
534  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
535  { 0, 0},
536 };
537 #if 0
538 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
539 {
540  AVCodecContext *codec= st->codec;
541  uint32_t layout_tag;
542  AVIOContext *pb = s->pb;
544 
545  if (size < 12)
546  return AVERROR_INVALIDDATA;
547 
548  layout_tag = avio_rb32(pb);
549  size -= 4;
550  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
551  // Channel descriptions not implemented
552  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
553  avio_skip(pb, size);
554  return 0;
555  }
556  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
557  codec->channel_layout = avio_rb32(pb);
558  size -= 4;
559  avio_skip(pb, size);
560  return 0;
561  }
562  while (layouts->channel_layout) {
563  if (layout_tag == layouts->layout_tag) {
564  codec->channel_layout = layouts->channel_layout;
565  break;
566  }
567  layouts++;
568  }
569  if (!codec->channel_layout)
570  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
571  avio_skip(pb, size);
572 
573  return 0;
574 }
575 #endif
576 
577 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
578 {
579  const MovChannelLayout *layouts;
580  uint32_t layout_tag = 0;
581 
582  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
583  if (channel_layout == layouts->channel_layout) {
584  layout_tag = layouts->layout_tag;
585  break;
586  }
587 
588  if (layout_tag) {
589  avio_wb32(pb, layout_tag); // mChannelLayoutTag
590  avio_wb32(pb, 0); // mChannelBitmap
591  } else {
592  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
593  avio_wb32(pb, channel_layout);
594  }
595  avio_wb32(pb, 0); // mNumberChannelDescriptions
596 }
597 
599 {
600  return ff_codec_movvideo_tags;
601 }
602 
604 {
605  return ff_codec_movaudio_tags;
606 }
N Parametric Stereo.
Definition: mpeg4audio.h:86
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:355
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:442
#define AV_CH_LAYOUT_7POINT1
float v
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
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:426
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2773
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:512
int ff_get_extradata(AVCodecContext *avctx, 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:2945
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:277
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:675
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:509
Format I/O context.
Definition: avformat.h:1273
static const char mov_mdhd_language_map[][4]
Definition: isom.c:333
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:603
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:690
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1617
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1334
ptrdiff_t size
Definition: opengl_enc.c:101
#define av_log(a,...)
const char * to
Definition: webvttdec.c:34
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:598
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:451
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:102
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:404
#define MP4DecSpecificDescrTag
Definition: isom.h:220
int avcodec_is_open(AVCodecContext *s)
Definition: utils.c:3858
int64_t channel_layout
Definition: isom.c:508
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:425
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2604
#define AV_CH_LAYOUT_QUAD
enum AVCodecID codec_id
Definition: mov_chan.c:433
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:322
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2323
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:529
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:861
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
static const uint16_t fc[]
Definition: dcaenc.h:41
int bit_rate
the average bitrate
Definition: avcodec.h:1567
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:683
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:107
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:382
Stream structure.
Definition: avformat.h:842
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:552
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:268
enum AVCodecID codec_id
Definition: avcodec.h:1519
Y Layer 2.
Definition: mpeg4audio.h:90
int sample_rate
samples per second
Definition: avcodec.h:2262
AVIOContext * pb
I/O context.
Definition: avformat.h:1315
main external API structure.
Definition: avcodec.h:1502
int extradata_size
Definition: avcodec.h:1618
#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
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:577
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:417
static double c[64]
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:442
int len
int channels
number of audio channels
Definition: avcodec.h:2263
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:327
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:330