Libav
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 Libav.
8  *
9  * Libav 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  * Libav 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 Libav; 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_DTS , 0xA9 }, /* mp4ra.org */
61  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
62  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
63  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
64  { AV_CODEC_ID_QCELP , 0xE1 },
65  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
66  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
67  { AV_CODEC_ID_NONE , 0 },
68 };
69 
71 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
72 
73  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID uncompressed) */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 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 10-bit RGB */
97  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
98  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
99  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
100  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
101  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
102 
103  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
104  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
105  { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
106 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
107  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
108  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
109 
110  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
111  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
112  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
113  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
114 
115  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
116  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
117  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
118  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
119 
120  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
121  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
122 
123  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
124  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
125  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
126  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
127  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
128  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
129  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
130  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
131  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
138 
139  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
140  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
141  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
142  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
143  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
144  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
145  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
146  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
147  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
148 
149  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
150 
151  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
152  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
153 
154  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
155  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
156  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
157  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
158  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
159  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
160  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
161  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
162  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
163  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
167  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
169  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
170 
171  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
172  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
173  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
174  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
175  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
176  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
177  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
178  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
179  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
180  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
181  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
182  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
221 
222  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
223 
224  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
225  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
226  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
227  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
228  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
229 
230  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
231  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
232 
233  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
234  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
235  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
236  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
237  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
238  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
239  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
240  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
241  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
242 
243  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
244  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
245  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
246  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
247  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
248  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
249  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
250 
251  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
252 
253  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
254  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
255  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
256 
257  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
258  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
259 
260  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
261  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
262  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
263  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
264  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
265  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
266  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
267 
268  { AV_CODEC_ID_NONE, 0 },
269 };
270 
272  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
273  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
274  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
275  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
276  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
277  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
278  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
279  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
280  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
281  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
282  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
283  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
284  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
285  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
286  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
287  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
288  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
289  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
290  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
291  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
292  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
293  { AV_CODEC_ID_MP3, 0x6D730055 },
294  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
295  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
296  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
297  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
298  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
299  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
300  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
301  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
302  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
303  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
304  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
305  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
306  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
307  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
308  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
309  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
310  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
311  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
312  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
313  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
314  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
315  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
316  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
317  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
318  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
319  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
320  { AV_CODEC_ID_NONE, 0 },
321 };
322 
324  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
325  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
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*5 bits 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  /* 5 bits 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, "MPEG-4 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  int len, tag;
454  int object_type_id = avio_r8(pb);
455  avio_r8(pb); /* stream type */
456  avio_rb24(pb); /* buffer size db */
457  avio_rb32(pb); /* max bitrate */
458  avio_rb32(pb); /* avg bitrate */
459 
460  st->codecpar->codec_id = ff_codec_get_id(ff_mp4_obj_type, object_type_id);
461  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
462  len = ff_mp4_read_descr(fc, pb, &tag);
463  if (tag == MP4DecSpecificDescrTag) {
464  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
465  if (!len || (uint64_t)len > (1<<30))
466  return -1;
467  av_free(st->codecpar->extradata);
469  if (!st->codecpar->extradata)
470  return AVERROR(ENOMEM);
471  avio_read(pb, st->codecpar->extradata, len);
472  st->codecpar->extradata_size = len;
473  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
474  MPEG4AudioConfig cfg;
476  st->codecpar->extradata_size * 8, 1);
477  st->codecpar->channels = cfg.channels;
478  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
480  else if (cfg.ext_sample_rate)
482  else
483  st->codecpar->sample_rate = cfg.sample_rate;
484  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
485  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
486  cfg.object_type, cfg.ext_object_type,
487  cfg.sample_rate, cfg.ext_sample_rate);
488  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
489  cfg.object_type)))
491  }
492  }
493  return 0;
494 }
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
Bytestream IO Context.
Definition: avio.h:104
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:1983
Y Layer 1.
Definition: mpeg4audio.h:89
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3483
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
#define FF_ARRAY_ELEMS(a)
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:681
mpeg audio layer common tables.
Format I/O context.
Definition: avformat.h:940
static const char mov_mdhd_language_map[][4]
Definition: isom.c:333
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:70
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:150
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:696
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
static int flags
Definition: log.c:50
uint32_t tag
Definition: movenc.c:854
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
Definition: aviobuf.c:545
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:451
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
Definition: mem.c:190
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:404
#define AVERROR(e)
Definition: error.h:43
#define MP4DecSpecificDescrTag
Definition: isom.h:181
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:479
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:323
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3501
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:536
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:689
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: avio.h:286
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:198
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:382
Stream structure.
Definition: avformat.h:705
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:569
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:271
Y Layer 2.
Definition: mpeg4audio.h:90
int sample_rate
Audio only.
Definition: avcodec.h:3564
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:417
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:79
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:638
Y Audio LosslesS.
Definition: mpeg4audio.h:93
Y Layer 3.
Definition: mpeg4audio.h:91
as in Berlin toast format
Definition: avcodec.h:496
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3497
int channels
Audio only.
Definition: avcodec.h:3560
AVCodecParameters * codecpar
Definition: avformat.h:831
#define MKTAG(a, b, c, d)
Definition: common.h:256
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:211