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 
30 /* http://www.mp4ra.org */
31 /* ordered by muxing preference */
33  { AV_CODEC_ID_MOV_TEXT , 0x08 },
34  { AV_CODEC_ID_MPEG4 , 0x20 },
35  { AV_CODEC_ID_H264 , 0x21 },
36  { AV_CODEC_ID_HEVC , 0x23 },
37  { AV_CODEC_ID_AAC , 0x40 },
38  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
39  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG2 Main */
40  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG2 Simple */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG2 SNR */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG2 Spatial */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG2 High */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG2 422 */
45  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
46  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
47  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
48  { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
49  { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
50  { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
51  { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
52  { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
53  { AV_CODEC_ID_PNG , 0x6D },
54  { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
55  { AV_CODEC_ID_VC1 , 0xA3 },
56  { AV_CODEC_ID_DIRAC , 0xA4 },
57  { AV_CODEC_ID_AC3 , 0xA5 },
58  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
59  { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
60  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
61  { AV_CODEC_ID_QCELP , 0xE1 },
62  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
63  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
64  { AV_CODEC_ID_NONE , 0 },
65 };
66 
68 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
69 
70  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
71  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
72  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
73  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
75 
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
86 
87  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
88  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
89  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
90  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
91  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
92 
93  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
94  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
95  { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
96 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
97  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
98  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
99 
100  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
101  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
102  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
103  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
104 
105  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
106  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
107  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
108  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
109 
110  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
111  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
112 
113  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
114  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
115  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
116  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
117  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
118  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
119  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
120  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
121  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
122  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
123  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
124  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
125  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
126  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
127  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
128 
129  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
130  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
131  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
132  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
133  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
134  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
135  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
136  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
137 
138  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
139 
140  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
141  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
142 
143  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
144  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
145  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
146  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
147  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
148  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
149  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
150  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
151  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
152  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
153  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
154  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
155  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
156  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
157 
158  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
159  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
160  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
161  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
162  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
163  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
164  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
165  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
166  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
167  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
168  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
169  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
170  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
171  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
172  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
173  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
174  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
175  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
176  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
177  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
178  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
179  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
180  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
181  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
182  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
204 
205  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
206 
207  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
208  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
209  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
210  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
211 
212  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
213  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
214 
215  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
216  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
217  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
218  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
219  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
220  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
221  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
222  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
223 
224  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
225  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
226  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
227  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
228  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
229 
230  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
231 
232  { AV_CODEC_ID_NONE, 0 },
233 };
234 
236  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
237  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
238  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
239  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
240  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
241  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
242  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
243  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
244  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
245  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
246  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
247  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
248  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
249  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
250  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
251  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
252  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
253  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
254  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
255  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
256  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
257  { AV_CODEC_ID_MP3, 0x6D730055 },
258  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
259  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
260  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
261  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
262  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
263  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
264  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
265  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
266  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
267  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
268  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
269  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
270  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
271  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
272  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
273  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
274  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
275  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
276  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
277  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
278  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
279  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
280  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
281  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
282  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
283  { AV_CODEC_ID_NONE, 0 },
284 };
285 
287  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
288  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
289  { AV_CODEC_ID_NONE, 0 },
290 };
291 
292 /* map numeric codes from mdhd atom to ISO 639 */
293 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
294 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
295 /* deprecated by putting the code as 3*5bit ascii */
296 static const char mov_mdhd_language_map[][4] = {
297  /* 0-9 */
298  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
299  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
300  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
301  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
302  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
303  /*?*/
304  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
305  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
306  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
307  /* roman? arabic? */
308  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
309  /*==rundi?*/
310  "", "run", "", "mlg", "epo", "", "", "", "", "",
311  /* 100 */
312  "", "", "", "", "", "", "", "", "", "",
313  "", "", "", "", "", "", "", "", "", "",
314  "", "", "", "", "", "", "", "", "wel", "baq",
315  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
316 };
317 
318 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
319 {
320  int i, code = 0;
321 
322  /* old way, only for QT? */
323  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
324  if (!strcmp(lang, mov_mdhd_language_map[i]))
325  return i;
326  }
327  /* XXX:can we do that in mov too? */
328  if (!mp4)
329  return -1;
330  /* handle undefined as such */
331  if (lang[0] == '\0')
332  lang = "und";
333  /* 5bit ascii */
334  for (i = 0; i < 3; i++) {
335  uint8_t c = lang[i];
336  c -= 0x60;
337  if (c > 0x1f)
338  return -1;
339  code <<= 5;
340  code |= c;
341  }
342  return code;
343 }
344 
345 int ff_mov_lang_to_iso639(unsigned code, char to[4])
346 {
347  int i;
348  memset(to, 0, 4);
349  /* is it the mangled iso code? */
350  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
351  if (code >= 0x400 && code != 0x7fff) {
352  for (i = 2; i >= 0; i--) {
353  to[i] = 0x60 + (code & 0x1f);
354  code >>= 5;
355  }
356  return 1;
357  }
358  /* old fashion apple lang code */
360  return 0;
361  if (!mov_mdhd_language_map[code][0])
362  return 0;
363  memcpy(to, mov_mdhd_language_map[code], 4);
364  return 1;
365 }
366 
368 {
369  int len = 0;
370  int count = 4;
371  while (count--) {
372  int c = avio_r8(pb);
373  len = (len << 7) | (c & 0x7f);
374  if (!(c & 0x80))
375  break;
376  }
377  return len;
378 }
379 
381 {
382  int len;
383  *tag = avio_r8(pb);
384  len = ff_mp4_read_descr_len(pb);
385  av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
386  return len;
387 }
388 
389 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
390 {
391  int flags;
392  if (es_id) *es_id = avio_rb16(pb);
393  else avio_rb16(pb);
394  flags = avio_r8(pb);
395  if (flags & 0x80) //streamDependenceFlag
396  avio_rb16(pb);
397  if (flags & 0x40) { //URL_Flag
398  int len = avio_r8(pb);
399  avio_skip(pb, len);
400  }
401  if (flags & 0x20) //OCRstreamFlag
402  avio_rb16(pb);
403 }
404 
405 static const AVCodecTag mp4_audio_types[] = {
406  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
407  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
408  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
409  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
410  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
412 };
413 
415 {
416  int len, tag;
417  int object_type_id = avio_r8(pb);
418  avio_r8(pb); /* stream type */
419  avio_rb24(pb); /* buffer size db */
420  avio_rb32(pb); /* max bitrate */
421  avio_rb32(pb); /* avg bitrate */
422 
423  st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
424  av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
425  len = ff_mp4_read_descr(fc, pb, &tag);
426  if (tag == MP4DecSpecificDescrTag) {
427  av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
428  if (!len || (uint64_t)len > (1<<30))
429  return -1;
430  av_free(st->codec->extradata);
432  if (!st->codec->extradata)
433  return AVERROR(ENOMEM);
434  avio_read(pb, st->codec->extradata, len);
435  st->codec->extradata_size = len;
436  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
437  MPEG4AudioConfig cfg;
439  st->codec->extradata_size * 8, 1);
440  st->codec->channels = cfg.channels;
441  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
443  else if (cfg.ext_sample_rate)
444  st->codec->sample_rate = cfg.ext_sample_rate;
445  else
446  st->codec->sample_rate = cfg.sample_rate;
447  av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
448  "sample rate %d ext sample rate %d\n", st->codec->channels,
449  cfg.object_type, cfg.ext_object_type,
450  cfg.sample_rate, cfg.ext_sample_rate);
451  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
452  cfg.object_type)))
454  }
455  }
456  return 0;
457 }
N Parametric Stereo.
Definition: mpeg4audio.h:85
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:318
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:405
Bytestream IO Context.
Definition: avio.h:68
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:389
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2074
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:574
mpeg audio layer common tables.
Format I/O context.
Definition: avformat.h:871
static const char mov_mdhd_language_map[][4]
Definition: isom.c:296
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:67
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:589
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:1162
static int flags
Definition: log.c:44
uint32_t tag
Definition: movenc.c:822
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
Definition: aviobuf.c:446
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:414
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:367
#define AVERROR(e)
Definition: error.h:43
#define MP4DecSpecificDescrTag
Definition: isom.h:166
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:369
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:32
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:286
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:437
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:702
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:509
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:582
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:345
Stream structure.
Definition: avformat.h:683
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:456
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:235
enum AVCodecID codec_id
Definition: avcodec.h:1065
Y Layer 2.
Definition: mpeg4audio.h:89
int sample_rate
samples per second
Definition: avcodec.h:1779
int extradata_size
Definition: avcodec.h:1163
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:380
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:386
int len
int channels
number of audio channels
Definition: avcodec.h:1780
#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