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 }, /* 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_DTS , 0xA9 }, /* mp4ra.org */
61  { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
62  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
63  { AV_CODEC_ID_QCELP , 0xE1 },
64  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
65  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
66  { AV_CODEC_ID_NONE , 0 },
67 };
68 
70 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
71 
72  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
73  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
77 
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
94 
95  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
96  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
97  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
98  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
99  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
100  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
101 
102  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
103  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
104  { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
105 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
106  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
107  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
108 
109  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
110  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
111  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
112  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
113 
114  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
115  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
116  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
117  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
118 
119  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
120  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
121 
122  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
123  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
124  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
125  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
126  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
127  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
128  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
129  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
130  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
131  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
137 
138  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
139  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
140  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
141  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
142  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
143  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
144  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
145  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
146  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
147 
148  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
149 
150  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
151  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
152 
153  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
154  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
155  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
156  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
157  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
158  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
159  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
160  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
161  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
162  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
163  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
166  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
168 
169  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
170  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
171  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
172  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
173  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
174  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
175  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
176  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
177  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
178  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
179  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
180  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
181  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
182  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
218 
219  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
220 
221  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
222  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
223  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
224  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
225  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
226 
227  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
228  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
229 
230  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
231  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
232  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
233  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
234  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
235  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
236  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
237  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
238  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
239 
240  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
241  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
242  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
243  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
244  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
245  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
246 
247  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
248 
249  { AV_CODEC_ID_NONE, 0 },
250 };
251 
253  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
254  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
255  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
256  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
257  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
258  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
259  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
260  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
261  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
262  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
263  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
264  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
265  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
266  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
267  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
268  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
269  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
270  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
271  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
272  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
273  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
274  { AV_CODEC_ID_MP3, 0x6D730055 },
275  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
276  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
277  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
278  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
279  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
280  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
281  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
282  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
283  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
284  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
285  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
286  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
287  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
288  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
289  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
290  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
291  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
292  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
293  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
294  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
295  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
296  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
297  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
298  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
299  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
300  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
301  { AV_CODEC_ID_NONE, 0 },
302 };
303 
305  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
306  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
307  { AV_CODEC_ID_NONE, 0 },
308 };
309 
310 /* map numeric codes from mdhd atom to ISO 639 */
311 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
312 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
313 /* deprecated by putting the code as 3*5bit ascii */
314 static const char mov_mdhd_language_map[][4] = {
315  /* 0-9 */
316  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
317  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
318  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
319  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
320  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
321  /*?*/
322  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
323  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
324  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
325  /* roman? arabic? */
326  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
327  /*==rundi?*/
328  "", "run", "", "mlg", "epo", "", "", "", "", "",
329  /* 100 */
330  "", "", "", "", "", "", "", "", "", "",
331  "", "", "", "", "", "", "", "", "", "",
332  "", "", "", "", "", "", "", "", "wel", "baq",
333  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
334 };
335 
336 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
337 {
338  int i, code = 0;
339 
340  /* old way, only for QT? */
341  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
342  if (!strcmp(lang, mov_mdhd_language_map[i]))
343  return i;
344  }
345  /* XXX:can we do that in mov too? */
346  if (!mp4)
347  return -1;
348  /* handle undefined as such */
349  if (lang[0] == '\0')
350  lang = "und";
351  /* 5bit ascii */
352  for (i = 0; i < 3; i++) {
353  uint8_t c = lang[i];
354  c -= 0x60;
355  if (c > 0x1f)
356  return -1;
357  code <<= 5;
358  code |= c;
359  }
360  return code;
361 }
362 
363 int ff_mov_lang_to_iso639(unsigned code, char to[4])
364 {
365  int i;
366  memset(to, 0, 4);
367  /* is it the mangled iso code? */
368  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
369  if (code >= 0x400 && code != 0x7fff) {
370  for (i = 2; i >= 0; i--) {
371  to[i] = 0x60 + (code & 0x1f);
372  code >>= 5;
373  }
374  return 1;
375  }
376  /* old fashion apple lang code */
378  return 0;
379  if (!mov_mdhd_language_map[code][0])
380  return 0;
381  memcpy(to, mov_mdhd_language_map[code], 4);
382  return 1;
383 }
384 
386 {
387  int len = 0;
388  int count = 4;
389  while (count--) {
390  int c = avio_r8(pb);
391  len = (len << 7) | (c & 0x7f);
392  if (!(c & 0x80))
393  break;
394  }
395  return len;
396 }
397 
399 {
400  int len;
401  *tag = avio_r8(pb);
402  len = ff_mp4_read_descr_len(pb);
403  av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
404  return len;
405 }
406 
407 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
408 {
409  int flags;
410  if (es_id) *es_id = avio_rb16(pb);
411  else avio_rb16(pb);
412  flags = avio_r8(pb);
413  if (flags & 0x80) //streamDependenceFlag
414  avio_rb16(pb);
415  if (flags & 0x40) { //URL_Flag
416  int len = avio_r8(pb);
417  avio_skip(pb, len);
418  }
419  if (flags & 0x20) //OCRstreamFlag
420  avio_rb16(pb);
421 }
422 
423 static const AVCodecTag mp4_audio_types[] = {
424  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
425  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
426  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
427  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
428  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
430 };
431 
433 {
434  int len, tag;
435  int object_type_id = avio_r8(pb);
436  avio_r8(pb); /* stream type */
437  avio_rb24(pb); /* buffer size db */
438  avio_rb32(pb); /* max bitrate */
439  avio_rb32(pb); /* avg bitrate */
440 
441  st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
442  av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
443  len = ff_mp4_read_descr(fc, pb, &tag);
444  if (tag == MP4DecSpecificDescrTag) {
445  av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
446  if (!len || (uint64_t)len > (1<<30))
447  return -1;
448  av_free(st->codec->extradata);
450  if (!st->codec->extradata)
451  return AVERROR(ENOMEM);
452  avio_read(pb, st->codec->extradata, len);
453  st->codec->extradata_size = len;
454  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
455  MPEG4AudioConfig cfg;
457  st->codec->extradata_size * 8, 1);
458  st->codec->channels = cfg.channels;
459  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
461  else if (cfg.ext_sample_rate)
462  st->codec->sample_rate = cfg.ext_sample_rate;
463  else
464  st->codec->sample_rate = cfg.sample_rate;
465  av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
466  "sample rate %d ext sample rate %d\n", st->codec->channels,
467  cfg.object_type, cfg.ext_object_type,
468  cfg.sample_rate, cfg.ext_sample_rate);
469  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
470  cfg.object_type)))
472  }
473  }
474  return 0;
475 }
N Parametric Stereo.
Definition: mpeg4audio.h:85
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:336
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:423
Bytestream IO Context.
Definition: avio.h:68
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:407
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:1943
Y Layer 1.
Definition: mpeg4audio.h:88
#define FF_ARRAY_ELEMS(a)
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", 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)
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:591
mpeg audio layer common tables.
Format I/O context.
Definition: avformat.h:922
static const char mov_mdhd_language_map[][4]
Definition: isom.c:314
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:69
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:606
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:1164
static int flags
Definition: log.c:44
uint32_t tag
Definition: movenc.c:844
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
Definition: aviobuf.c:463
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:432
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
Definition: mem.c:186
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:385
#define AVERROR(e)
Definition: error.h:43
#define MP4DecSpecificDescrTag
Definition: isom.h:168
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:379
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:304
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:454
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:718
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:531
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:599
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: avio.h:210
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:110
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:363
Stream structure.
Definition: avformat.h:699
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:468
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:252
enum AVCodecID codec_id
Definition: avcodec.h:1067
Y Layer 2.
Definition: mpeg4audio.h:89
int sample_rate
samples per second
Definition: avcodec.h:1807
int extradata_size
Definition: avcodec.h:1165
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:398
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
Y Audio LosslesS.
Definition: mpeg4audio.h:92
Y Layer 3.
Definition: mpeg4audio.h:90
as in Berlin toast format
Definition: avcodec.h:396
int len
int channels
number of audio channels
Definition: avcodec.h:1808
#define MKTAG(a, b, c, d)
Definition: common.h:238
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:205