FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
isom.c
Go to the documentation of this file.
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"
28 #include "libavcodec/mpegaudiodata.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34 const AVCodecTag ff_mp4_obj_type[] = {
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_OPUS , 0xAD }, /* mp4ra.org */
63  { AV_CODEC_ID_VP9 , 0xC0 }, /* nonstandard, update when there is a standard value */
64  { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
65  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
66  { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
67  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
68  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
69  { AV_CODEC_ID_QCELP , 0xE1 },
70  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
71  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
72  { AV_CODEC_ID_NONE , 0 },
73 };
74 
75 const AVCodecTag ff_codec_movvideo_tags[] = {
76 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
77 
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
82 
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
98  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
99  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
100 
101  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
103  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
104  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
105  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
106  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
107  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
108  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
109  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
110  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
111  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
112  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
113  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
114  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
115 
116  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
117  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
118  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
119 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
120  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
121  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
122 
123  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
124  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
125  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
126  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
127 
128  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
129  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
130  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
131  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
132 
133  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
134  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
135 
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
149  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
150  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
151 
152  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
153  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
154  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
155  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
156  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
157  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
158  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
159  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
160  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
161 
162  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
163 
164  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
166 
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
183  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
185  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
186  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
187  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
188 
189  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
190 
191  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
192  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
194  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
241 
242  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
243 
244  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
245  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
246  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
247  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
248  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
249 
250  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
251  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
252 
253  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
254  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
255  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
256  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
257  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
258  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
259  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
260  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
261  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
262  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
263 
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
269  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
270  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
271 
272  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
273 
274  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
275  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
276  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
277 
278  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
279  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
280 
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
292 
293  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
294  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
295  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
296  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
301 
302  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
303 
304  { AV_CODEC_ID_NONE, 0 },
305 };
306 
307 const AVCodecTag ff_codec_movaudio_tags[] = {
308  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
309  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
310  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
311  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
312  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
313  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
314  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
315  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
316  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
317  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
318  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
319  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
320  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
321  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
322  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
323  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
324  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
325  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
326  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
327  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
328  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
329  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
330  { AV_CODEC_ID_MP3, 0x6D730055 },
331  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
332  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
333  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
334  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
335  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
336  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
337  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
338  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
339  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
340  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
341  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
342  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
343  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
344  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
345  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
346  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
347  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
348  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
349  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
350  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
351  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
352  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
353  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
354  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
355  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
356  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
357  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
358  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
359  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
360  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
361  { AV_CODEC_ID_NONE, 0 },
362 };
363 
364 const AVCodecTag ff_codec_movsubtitle_tags[] = {
365  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
366  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
367  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
368  { AV_CODEC_ID_NONE, 0 },
369 };
370 
371 /* map numeric codes from mdhd atom to ISO 639 */
372 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
373 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
374 /* deprecated by putting the code as 3*5 bits ASCII */
375 static const char mov_mdhd_language_map[][4] = {
376  /* 0-9 */
377  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
378  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
379  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
380  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
381  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
382  /*?*/
383  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
384  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
385  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
386  /* roman? arabic? */
387  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
388  /*==rundi?*/
389  "", "run", "", "mlg", "epo", "", "", "", "", "",
390  /* 100 */
391  "", "", "", "", "", "", "", "", "", "",
392  "", "", "", "", "", "", "", "", "", "",
393  "", "", "", "", "", "", "", "", "wel", "baq",
394  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
395 };
396 
397 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
398 {
399  int i, code = 0;
400 
401  /* old way, only for QT? */
402  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
403  if (!strcmp(lang, mov_mdhd_language_map[i]))
404  return i;
405  }
406  /* XXX:can we do that in mov too? */
407  if (!mp4)
408  return -1;
409  /* handle undefined as such */
410  if (lang[0] == '\0')
411  lang = "und";
412  /* 5 bits ASCII */
413  for (i = 0; i < 3; i++) {
414  uint8_t c = lang[i];
415  c -= 0x60;
416  if (c > 0x1f)
417  return -1;
418  code <<= 5;
419  code |= c;
420  }
421  return code;
422 }
423 
424 int ff_mov_lang_to_iso639(unsigned code, char to[4])
425 {
426  int i;
427  memset(to, 0, 4);
428  /* is it the mangled iso code? */
429  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
430  if (code >= 0x400 && code != 0x7fff) {
431  for (i = 2; i >= 0; i--) {
432  to[i] = 0x60 + (code & 0x1f);
433  code >>= 5;
434  }
435  return 1;
436  }
437  /* old fashion apple lang code */
438  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
439  return 0;
440  if (!mov_mdhd_language_map[code][0])
441  return 0;
442  memcpy(to, mov_mdhd_language_map[code], 4);
443  return 1;
444 }
445 
446 int ff_mp4_read_descr_len(AVIOContext *pb)
447 {
448  int len = 0;
449  int count = 4;
450  while (count--) {
451  int c = avio_r8(pb);
452  len = (len << 7) | (c & 0x7f);
453  if (!(c & 0x80))
454  break;
455  }
456  return len;
457 }
458 
459 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
460 {
461  int len;
462  *tag = avio_r8(pb);
463  len = ff_mp4_read_descr_len(pb);
464  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
465  return len;
466 }
467 
468 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
469 {
470  int flags;
471  if (es_id) *es_id = avio_rb16(pb);
472  else avio_rb16(pb);
473  flags = avio_r8(pb);
474  if (flags & 0x80) //streamDependenceFlag
475  avio_rb16(pb);
476  if (flags & 0x40) { //URL_Flag
477  int len = avio_r8(pb);
478  avio_skip(pb, len);
479  }
480  if (flags & 0x20) //OCRstreamFlag
481  avio_rb16(pb);
482 }
483 
484 static const AVCodecTag mp4_audio_types[] = {
485  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
486  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
487  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
488  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
489  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
490  { AV_CODEC_ID_NONE, AOT_NULL },
491 };
492 
493 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
494 {
495  enum AVCodecID codec_id;
496  unsigned v;
497  int len, tag;
498  int ret;
499  int object_type_id = avio_r8(pb);
500  avio_r8(pb); /* stream type */
501  avio_rb24(pb); /* buffer size db */
502 
503  v = avio_rb32(pb);
504 
505  // TODO: fix this with codecpar
506 #if FF_API_LAVF_AVCTX
507 FF_DISABLE_DEPRECATION_WARNINGS
508  if (v < INT32_MAX)
509  st->codec->rc_max_rate = v;
510 FF_ENABLE_DEPRECATION_WARNINGS
511 #endif
512 
513  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
514 
515  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
516  if (codec_id)
517  st->codecpar->codec_id = codec_id;
518  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
519  len = ff_mp4_read_descr(fc, pb, &tag);
520  if (tag == MP4DecSpecificDescrTag) {
521  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
522  if (!len || (uint64_t)len > (1<<30))
523  return -1;
524  av_free(st->codecpar->extradata);
525  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
526  return ret;
527  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
528  MPEG4AudioConfig cfg = {0};
529  ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
530  st->codecpar->extradata_size * 8, 1);
531  if (ret < 0)
532  return ret;
533  st->codecpar->channels = cfg.channels;
534  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
535  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
536  else if (cfg.ext_sample_rate)
537  st->codecpar->sample_rate = cfg.ext_sample_rate;
538  else
539  st->codecpar->sample_rate = cfg.sample_rate;
540  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
541  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
542  cfg.object_type, cfg.ext_object_type,
543  cfg.sample_rate, cfg.ext_sample_rate);
544  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
545  cfg.object_type)))
546  st->codecpar->codec_id = AV_CODEC_ID_AAC;
547  }
548  }
549  return 0;
550 }
551 
552 typedef struct MovChannelLayout {
553  int64_t channel_layout;
554  uint32_t layout_tag;
555 } MovChannelLayout;
556 
557 static const MovChannelLayout mov_channel_layout[] = {
558  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
559  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
560  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
561  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
562  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
563  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
564  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
565  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
566  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
567  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
568  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
569  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
570  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
571  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
572  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
573  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
574  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
575  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
576  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
577  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
578  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
579  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
580  { 0, 0},
581 };
582 #if 0
583 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
584 {
585  AVCodecContext *codec= st->codec;
586  uint32_t layout_tag;
587  AVIOContext *pb = s->pb;
588  const MovChannelLayout *layouts = mov_channel_layout;
589 
590  if (size < 12)
591  return AVERROR_INVALIDDATA;
592 
593  layout_tag = avio_rb32(pb);
594  size -= 4;
595  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
596  // Channel descriptions not implemented
597  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
598  avio_skip(pb, size);
599  return 0;
600  }
601  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
602  codec->channel_layout = avio_rb32(pb);
603  size -= 4;
604  avio_skip(pb, size);
605  return 0;
606  }
607  while (layouts->channel_layout) {
608  if (layout_tag == layouts->layout_tag) {
609  codec->channel_layout = layouts->channel_layout;
610  break;
611  }
612  layouts++;
613  }
614  if (!codec->channel_layout)
615  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
616  avio_skip(pb, size);
617 
618  return 0;
619 }
620 #endif
621 
622 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
623 {
624  const MovChannelLayout *layouts;
625  uint32_t layout_tag = 0;
626 
627  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
628  if (channel_layout == layouts->channel_layout) {
629  layout_tag = layouts->layout_tag;
630  break;
631  }
632 
633  if (layout_tag) {
634  avio_wb32(pb, layout_tag); // mChannelLayoutTag
635  avio_wb32(pb, 0); // mChannelBitmap
636  } else {
637  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
638  avio_wb32(pb, channel_layout);
639  }
640  avio_wb32(pb, 0); // mNumberChannelDescriptions
641 }
642 
643 const struct AVCodecTag *avformat_get_mov_video_tags(void)
644 {
645  return ff_codec_movvideo_tags;
646 }
647 
648 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
649 {
650  return ff_codec_movaudio_tags;
651 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:96
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:538
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:466
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:397
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:484
AV_CODEC_ID_VP9
Definition: avcodec.h:388
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
s
const char * s
Definition: avisynth_c.h:768
AVIOContext
Bytestream IO Context.
Definition: avio.h:155
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: avcodec.h:215
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:539
AV_CODEC_ID_DNXHD
Definition: avcodec.h:319
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:457
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:468
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3050
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:99
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
AV_CODEC_ID_PNG
Definition: avcodec.h:281
AV_CH_LAYOUT_SURROUND
#define AV_CH_LAYOUT_SURROUND
Definition: channel_layout.h:89
mov_channel_layout
static const MovChannelLayout mov_channel_layout[]
Definition: isom.c:557
AV_CODEC_ID_R210
Definition: avcodec.h:353
AV_CODEC_ID_VC1
Definition: avcodec.h:290
AV_CODEC_ID_PIXLET
Definition: avcodec.h:438
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4128
AV_CODEC_ID_AVRP
Definition: avcodec.h:416
AV_CODEC_ID_FLAC
Definition: avcodec.h:567
AV_CODEC_ID_MP1
Definition: avcodec.h:600
AV_CODEC_ID_QTRLE
Definition: avcodec.h:275
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:434
AV_CODEC_ID_MPEG4
Definition: avcodec.h:232
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:318
AV_CODEC_ID_V410
Definition: avcodec.h:377
AV_CODEC_ID_PRORES
Definition: avcodec.h:368
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:569
AV_CH_LAYOUT_STEREO
#define AV_CH_LAYOUT_STEREO
Definition: channel_layout.h:86
avio_rb16
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:759
AV_CODEC_ID_H264
Definition: avcodec.h:247
AV_CODEC_ID_EIA_608
Definition: avcodec.h:656
AV_CH_LAYOUT_5POINT0
#define AV_CH_LAYOUT_5POINT0
Definition: channel_layout.h:95
mpegaudiodata.h
mpeg audio layer common tables.
MovChannelLayout::layout_tag
uint32_t layout_tag
Definition: isom.c:554
AV_CODEC_ID_MACE6
Definition: avcodec.h:565
AV_CODEC_ID_ALAC
Definition: avcodec.h:571
AV_CODEC_ID_EXR
Definition: avcodec.h:400
AV_CODEC_ID_SPEEX
Definition: avcodec.h:593
AV_CODEC_ID_Y41P
Definition: avcodec.h:415
AVFormatContext
Format I/O context.
Definition: avformat.h:1349
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:645
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:375
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:648
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:420
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
AV_LOG_TRACE
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AV_CODEC_ID_DIRAC
Definition: avcodec.h:336
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:774
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:557
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:491
flags
static int flags
Definition: log.c:57
tag
uint32_t tag
Definition: movenc.c:1456
AV_CODEC_ID_SMV
Definition: avcodec.h:630
AV_CODEC_ID_DXV
Definition: avcodec.h:411
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:227
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:574
to
const char * to
Definition: webvttdec.c:34
AVCodecParameters::bit_rate
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:4157
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:643
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:244
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:591
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:218
AV_CODEC_ID_SVQ3
Definition: avcodec.h:243
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:228
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:460
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:493
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
AV_CODEC_ID_MACE3
Definition: avcodec.h:564
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:446
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:435
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:279
AV_CODEC_ID_VP3
Definition: avcodec.h:249
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:553
AV_CODEC_ID_DTS
Definition: avcodec.h:559
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:556
AV_CH_LAYOUT_QUAD
#define AV_CH_LAYOUT_QUAD
Definition: channel_layout.h:94
count
GLsizei count
Definition: opengl_enc.c:109
ff_mp4_obj_type
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
ff_codec_movsubtitle_tags
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:364
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2558
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4146
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:612
AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_1
Definition: channel_layout.h:88
AV_CH_LAYOUT_2_2
#define AV_CH_LAYOUT_2_2
Definition: channel_layout.h:93
AV_CODEC_ID_AVUI
Definition: avcodec.h:418
fc
static const uint16_t fc[]
Definition: dcaenc.h:43
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:767
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:650
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:263
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:475
AV_CODEC_ID_SMC
Definition: avcodec.h:269
AV_CODEC_ID_H263
Definition: avcodec.h:224
AV_CODEC_ID_V408
Definition: avcodec.h:422
AV_CODEC_ID_R10K
Definition: avcodec.h:365
AV_CODEC_ID_QDMC
Definition: avcodec.h:608
AV_CODEC_ID_OPUS
Definition: avcodec.h:618
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:235
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:454
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:561
AV_CODEC_ID_SVQ1
Definition: avcodec.h:242
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
AV_CODEC_ID_QCELP
Definition: avcodec.h:579
ff_mov_read_chan
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
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen_template.c:36
AV_CODEC_ID_RPZA
Definition: avcodec.h:262
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:424
AVStream
Stream structure.
Definition: avformat.h:889
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:458
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:690
av_log_ask_for_sample
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.
ff_codec_movaudio_tags
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:307
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:100
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
AVCodecContext
main external API structure.
Definition: avcodec.h:1745
AV_CODEC_ID_AC3
Definition: avcodec.h:558
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:459
AV_CODEC_ID_EAC3
Definition: avcodec.h:598
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:473
AV_CODEC_ID_TARGA
Definition: avcodec.h:313
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:384
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:465
AV_CODEC_ID_MP2
Definition: avcodec.h:555
AV_CODEC_ID_EVRC
Definition: avcodec.h:629
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:476
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:394
AV_CODEC_ID_DPX
Definition: avcodec.h:348
AV_CODEC_ID_V210
Definition: avcodec.h:347
AV_CODEC_ID_HAP
Definition: avcodec.h:409
AV_CODEC_ID_CAVS
Definition: avcodec.h:307
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:308
AV_CODEC_ID_TIFF
Definition: avcodec.h:316
AV_CODEC_ID_AVRN
Definition: avcodec.h:424
AV_CODEC_ID_QDRAW
Definition: avcodec.h:278
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:474
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:4238
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:622
avformat.h
Main libavformat public API header.
ff_mp4_read_descr
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:459
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
AV_CODEC_ID_V308
Definition: avcodec.h:421
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
ff_get_extradata
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:3234
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:453
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:403
avpriv_mpeg4audio_get_config
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:155
AV_CODEC_ID_8BPS
Definition: avcodec.h:268
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:103
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:236
av_free
#define av_free(p)
Definition: tableprint_vlc.h:34
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:101
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: avcodec.h:573
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:423
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:603
AV_CODEC_ID_FLIC
Definition: avcodec.h:270
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4142
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:4234
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:371
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:461
AVStream::codecpar
AVCodecParameters * codecpar
Definition: avformat.h:1252
AV_CODEC_ID_GIF
Definition: avcodec.h:317
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:233
AV_CODEC_ID_AIC
Definition: avcodec.h:389
AV_CODEC_ID_ILBC
Definition: avcodec.h:617
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:342
AV_CODEC_ID_MSRLE
Definition: avcodec.h:265
AV_CODEC_ID_VORBIS
Definition: avcodec.h:560
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:462
AV_CODEC_ID_SGI
Definition: avcodec.h:321
Generated on Thu Jun 22 2017 19:21:12 for FFmpeg by   doxygen 1.8.6