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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 }, /* 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_EAC3 , 0xA6 },
61  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
62  { AV_CODEC_ID_VP9 , 0xC0 }, /* nonstandard, update when there is a standard value */
63  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
64  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
65  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
66  { AV_CODEC_ID_QCELP , 0xE1 },
67  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
68  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
69  { AV_CODEC_ID_NONE , 0 },
70 };
71 
73 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
74 
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
79 
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
96 
97  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
98  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
99  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
100  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
101  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
102  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
103  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
104  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
105  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
106  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
107  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
108  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
109  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
110  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
111 
112  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
113  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
114  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
115 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
116  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
117  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
118 
119  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
120  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
121  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
122  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
123 
124  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
125  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
126  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
127  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
128 
129  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
130  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
131 
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
147 
148  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
149  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
150  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
151  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
152  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
153  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
154  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
155  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
156  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
157 
158  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
159 
160  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
161  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
162 
163  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
179  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
181  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
182 
183  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
184 
185  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
186  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
187  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
188  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
235 
236  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
237 
238  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
239  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
240  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
241  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
242  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
243 
244  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
245  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
246 
247  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
248  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
249  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
250  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
251  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
252  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
253  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
254  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
255  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
256  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
257 
258  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
259  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
261  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
262  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
264  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
265 
266  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
267 
268  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
269  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
270  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
271 
272  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
273  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
274 
275  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
276  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
277  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
278  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
279  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
282 
283  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
284  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
285  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
286  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
287  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
288  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
289  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
290  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
291 
292  { AV_CODEC_ID_NONE, 0 },
293 };
294 
296  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
297  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
298  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
299  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
300  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
301  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
302  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
303  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
304  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
305  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
306  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
307  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
308  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
309  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
310  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
311  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
312  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
313  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
314  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
315  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
316  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
317  { AV_CODEC_ID_MP3, 0x6D730055 },
318  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
319  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
320  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
321  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
322  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
323  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
324  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
325  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
326  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
327  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
328  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
329  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
330  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
331  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
332  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
333  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
334  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
335  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
336  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
337  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
338  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
339  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
340  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
341  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
342  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
343  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
344  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
345  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
346  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
347  { AV_CODEC_ID_NONE, 0 },
348 };
349 
351  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
352  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
353  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
354  { AV_CODEC_ID_NONE, 0 },
355 };
356 
357 /* map numeric codes from mdhd atom to ISO 639 */
358 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
359 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
360 /* deprecated by putting the code as 3*5 bits ASCII */
361 static const char mov_mdhd_language_map[][4] = {
362  /* 0-9 */
363  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
364  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
365  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
366  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
367  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
368  /*?*/
369  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
370  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
371  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
372  /* roman? arabic? */
373  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
374  /*==rundi?*/
375  "", "run", "", "mlg", "epo", "", "", "", "", "",
376  /* 100 */
377  "", "", "", "", "", "", "", "", "", "",
378  "", "", "", "", "", "", "", "", "", "",
379  "", "", "", "", "", "", "", "", "wel", "baq",
380  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
381 };
382 
383 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
384 {
385  int i, code = 0;
386 
387  /* old way, only for QT? */
388  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
389  if (!strcmp(lang, mov_mdhd_language_map[i]))
390  return i;
391  }
392  /* XXX:can we do that in mov too? */
393  if (!mp4)
394  return -1;
395  /* handle undefined as such */
396  if (lang[0] == '\0')
397  lang = "und";
398  /* 5 bits ASCII */
399  for (i = 0; i < 3; i++) {
400  uint8_t c = lang[i];
401  c -= 0x60;
402  if (c > 0x1f)
403  return -1;
404  code <<= 5;
405  code |= c;
406  }
407  return code;
408 }
409 
410 int ff_mov_lang_to_iso639(unsigned code, char to[4])
411 {
412  int i;
413  memset(to, 0, 4);
414  /* is it the mangled iso code? */
415  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
416  if (code >= 0x400 && code != 0x7fff) {
417  for (i = 2; i >= 0; i--) {
418  to[i] = 0x60 + (code & 0x1f);
419  code >>= 5;
420  }
421  return 1;
422  }
423  /* old fashion apple lang code */
425  return 0;
426  if (!mov_mdhd_language_map[code][0])
427  return 0;
428  memcpy(to, mov_mdhd_language_map[code], 4);
429  return 1;
430 }
431 
433 {
434  int len = 0;
435  int count = 4;
436  while (count--) {
437  int c = avio_r8(pb);
438  len = (len << 7) | (c & 0x7f);
439  if (!(c & 0x80))
440  break;
441  }
442  return len;
443 }
444 
446 {
447  int len;
448  *tag = avio_r8(pb);
449  len = ff_mp4_read_descr_len(pb);
450  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
451  return len;
452 }
453 
454 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
455 {
456  int flags;
457  if (es_id) *es_id = avio_rb16(pb);
458  else avio_rb16(pb);
459  flags = avio_r8(pb);
460  if (flags & 0x80) //streamDependenceFlag
461  avio_rb16(pb);
462  if (flags & 0x40) { //URL_Flag
463  int len = avio_r8(pb);
464  avio_skip(pb, len);
465  }
466  if (flags & 0x20) //OCRstreamFlag
467  avio_rb16(pb);
468 }
469 
470 static const AVCodecTag mp4_audio_types[] = {
471  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
472  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
473  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
474  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
475  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
477 };
478 
480 {
481  enum AVCodecID codec_id;
482  unsigned v;
483  int len, tag;
484  int ret;
485  int object_type_id = avio_r8(pb);
486  avio_r8(pb); /* stream type */
487  avio_rb24(pb); /* buffer size db */
488 
489  v = avio_rb32(pb);
490  // TODO: fix this
491  //if (v < INT32_MAX)
492  // st->codecpar->rc_max_rate = v;
493 
494  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
495 
496  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
497  if (codec_id)
498  st->codecpar->codec_id = codec_id;
499  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
500  len = ff_mp4_read_descr(fc, pb, &tag);
501  if (tag == MP4DecSpecificDescrTag) {
502  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
503  if (!len || (uint64_t)len > (1<<30))
504  return -1;
505  av_free(st->codecpar->extradata);
506  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
507  return ret;
508  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
509  MPEG4AudioConfig cfg = {0};
511  st->codecpar->extradata_size * 8, 1);
512  st->codecpar->channels = cfg.channels;
513  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
515  else if (cfg.ext_sample_rate)
517  else
518  st->codecpar->sample_rate = cfg.sample_rate;
519  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
520  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
521  cfg.object_type, cfg.ext_object_type,
522  cfg.sample_rate, cfg.ext_sample_rate);
523  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
524  cfg.object_type)))
526  }
527  }
528  return 0;
529 }
530 
531 typedef struct MovChannelLayout {
532  int64_t channel_layout;
533  uint32_t layout_tag;
535 
537  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
538  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
539  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
540  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
541  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
542  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
543  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
544  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
545  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
546  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
547  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
548  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
549  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
550  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
551  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
552  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
553  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
554  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
555  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
556  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
557  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
558  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
559  { 0, 0},
560 };
561 #if 0
562 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
563 {
564  AVCodecContext *codec= st->codec;
565  uint32_t layout_tag;
566  AVIOContext *pb = s->pb;
568 
569  if (size < 12)
570  return AVERROR_INVALIDDATA;
571 
572  layout_tag = avio_rb32(pb);
573  size -= 4;
574  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
575  // Channel descriptions not implemented
576  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
577  avio_skip(pb, size);
578  return 0;
579  }
580  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
581  codec->channel_layout = avio_rb32(pb);
582  size -= 4;
583  avio_skip(pb, size);
584  return 0;
585  }
586  while (layouts->channel_layout) {
587  if (layout_tag == layouts->layout_tag) {
588  codec->channel_layout = layouts->channel_layout;
589  break;
590  }
591  layouts++;
592  }
593  if (!codec->channel_layout)
594  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
595  avio_skip(pb, size);
596 
597  return 0;
598 }
599 #endif
600 
601 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
602 {
603  const MovChannelLayout *layouts;
604  uint32_t layout_tag = 0;
605 
606  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
607  if (channel_layout == layouts->channel_layout) {
608  layout_tag = layouts->layout_tag;
609  break;
610  }
611 
612  if (layout_tag) {
613  avio_wb32(pb, layout_tag); // mChannelLayoutTag
614  avio_wb32(pb, 0); // mChannelBitmap
615  } else {
616  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
617  avio_wb32(pb, channel_layout);
618  }
619  avio_wb32(pb, 0); // mNumberChannelDescriptions
620 }
621 
623 {
624  return ff_codec_movvideo_tags;
625 }
626 
628 {
629  return ff_codec_movaudio_tags;
630 }
N Parametric Stereo.
Definition: mpeg4audio.h:86
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:383
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:470
#define AV_CH_LAYOUT_7POINT1
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:147
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
enum AVCodecID codec_id
Definition: ffmpeg_vaapi.c:149
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:454
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2955
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:536
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3939
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:304
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:736
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:533
Format I/O context.
Definition: avformat.h:1325
static const char mov_mdhd_language_map[][4]
Definition: isom.c:361
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:627
uint8_t
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:72
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:751
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1376
ptrdiff_t size
Definition: opengl_enc.c:101
#define av_log(a,...)
const char * to
Definition: webvttdec.c:34
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:3968
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:622
#define AV_CH_LAYOUT_5POINT1
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:479
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:189
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:432
#define MP4DecSpecificDescrTag
Definition: isom.h:253
int64_t channel_layout
Definition: isom.c:532
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:515
#define AV_CH_LAYOUT_QUAD
GLsizei count
Definition: opengl_enc.c:109
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:350
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2469
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3957
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:589
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
static const uint16_t fc[]
Definition: dcaenc.h:41
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:744
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:194
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
Read 'chan' tag from the input stream.
Definition: mov_chan.c:547
#define FF_ARRAY_ELEMS(a)
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:410
Stream structure.
Definition: avformat.h:876
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:646
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:295
Y Layer 2.
Definition: mpeg4audio.h:90
AVIOContext * pb
I/O context.
Definition: avformat.h:1367
main external API structure.
Definition: avcodec.h:1657
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
static int flags
Definition: cpu.c:47
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: avcodec.h:4049
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:601
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:445
static double c[64]
int ff_get_extradata(AVFormatContext *s, AVCodecParameters *par, AVIOContext *pb, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:3137
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:532
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3953
int channels
Audio only.
Definition: avcodec.h:4045
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
AVCodecParameters * codecpar
Definition: avformat.h:1228
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:342