FFmpeg
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"
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 , 0xB1 }, /* mp4ra.org */
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  { AV_CODEC_ID_CDTOONS, MKTAG('Q', 'k', 'B', 'k') }, /* CDToons */
162 
163  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
164 
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
166  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
167  { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
168  /* dvh1 is handled within mov.c */
169 
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
172  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
173  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
185  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
186  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
187  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
188  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
189  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
190  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
191  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */
192  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */
193 
194  { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
195  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
196  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
197 
198  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
199  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
200  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
201  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
242  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
243  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
244  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
245  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
246  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
247  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
248 
249  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
250 
251  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
252  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
253  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
254  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
255  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
256 
257  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
258  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
259 
260  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
261  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
262  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
263  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
264  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
265  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
266  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
267  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
268  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
269  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
270 
271  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
272  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
273  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
274  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
275  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
276  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
277  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
278 
279  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
280 
281  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
282  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
283  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
284  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
285  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
286 
287  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
288  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
289 
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '0') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
303  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
304  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
305 
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
312  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
313  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
314 
315  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
316 
317  { AV_CODEC_ID_NOTCHLC, MKTAG('n', 'c', 'l', 'c') },
318 
319  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'G', 'R') }, /* ASC Bayer BGGR */
320 
321  { AV_CODEC_ID_NONE, 0 },
322 };
323 
324 const AVCodecTag ff_codec_movaudio_tags[] = {
325  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
326  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
327  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
328  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
329  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
330  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
331  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
332  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
333  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
334  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
335  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
336  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
337  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
338  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
339  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
340  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
341  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
342  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
343  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
344  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
345  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
346  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
347  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
348  { AV_CODEC_ID_MP3, 0x6D730055 },
349  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
350  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
351  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
352  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
353  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
354  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
355  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
356  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
357  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
358  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
359  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
360  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
361  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
362  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
363  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
364  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
365  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
366  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
367  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
368  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
369  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
370  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
371  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
372  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
373  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
374  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
375  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
376  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
377  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
378  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
379  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
380  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
381  { AV_CODEC_ID_NONE, 0 },
382 };
383 
384 const AVCodecTag ff_codec_movsubtitle_tags[] = {
385  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
386  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
387  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
388  { AV_CODEC_ID_NONE, 0 },
389 };
390 
391 const AVCodecTag ff_codec_movdata_tags[] = {
392  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
393  { AV_CODEC_ID_NONE, 0 },
394 };
395 
396 /* map numeric codes from mdhd atom to ISO 639 */
397 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
398 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
399 /* deprecated by putting the code as 3*5 bits ASCII */
400 static const char mov_mdhd_language_map[][4] = {
401  "eng", /* 0 English */
402  "fra", /* 1 French */
403  "ger", /* 2 German */
404  "ita", /* 3 Italian */
405  "dut", /* 4 Dutch */
406  "sve", /* 5 Swedish */
407  "spa", /* 6 Spanish */
408  "dan", /* 7 Danish */
409  "por", /* 8 Portuguese */
410  "nor", /* 9 Norwegian */
411  "heb", /* 10 Hebrew */
412  "jpn", /* 11 Japanese */
413  "ara", /* 12 Arabic */
414  "fin", /* 13 Finnish */
415  "gre", /* 14 Greek */
416  "ice", /* 15 Icelandic */
417  "mlt", /* 16 Maltese */
418  "tur", /* 17 Turkish */
419  "hr ", /* 18 Croatian */
420  "chi", /* 19 Traditional Chinese */
421  "urd", /* 20 Urdu */
422  "hin", /* 21 Hindi */
423  "tha", /* 22 Thai */
424  "kor", /* 23 Korean */
425  "lit", /* 24 Lithuanian */
426  "pol", /* 25 Polish */
427  "hun", /* 26 Hungarian */
428  "est", /* 27 Estonian */
429  "lav", /* 28 Latvian */
430  "", /* 29 Sami */
431  "fo ", /* 30 Faroese */
432  "", /* 31 Farsi */
433  "rus", /* 32 Russian */
434  "chi", /* 33 Simplified Chinese */
435  "", /* 34 Flemish */
436  "iri", /* 35 Irish */
437  "alb", /* 36 Albanian */
438  "ron", /* 37 Romanian */
439  "ces", /* 38 Czech */
440  "slk", /* 39 Slovak */
441  "slv", /* 40 Slovenian */
442  "yid", /* 41 Yiddish */
443  "sr ", /* 42 Serbian */
444  "mac", /* 43 Macedonian */
445  "bul", /* 44 Bulgarian */
446  "ukr", /* 45 Ukrainian */
447  "bel", /* 46 Belarusian */
448  "uzb", /* 47 Uzbek */
449  "kaz", /* 48 Kazakh */
450  "aze", /* 49 Azerbaijani */
451  "aze", /* 50 AzerbaijanAr */
452  "arm", /* 51 Armenian */
453  "geo", /* 52 Georgian */
454  "mol", /* 53 Moldavian */
455  "kir", /* 54 Kirghiz */
456  "tgk", /* 55 Tajiki */
457  "tuk", /* 56 Turkmen */
458  "mon", /* 57 Mongolian */
459  "", /* 58 MongolianCyr */
460  "pus", /* 59 Pashto */
461  "kur", /* 60 Kurdish */
462  "kas", /* 61 Kashmiri */
463  "snd", /* 62 Sindhi */
464  "tib", /* 63 Tibetan */
465  "nep", /* 64 Nepali */
466  "san", /* 65 Sanskrit */
467  "mar", /* 66 Marathi */
468  "ben", /* 67 Bengali */
469  "asm", /* 68 Assamese */
470  "guj", /* 69 Gujarati */
471  "pa ", /* 70 Punjabi */
472  "ori", /* 71 Oriya */
473  "mal", /* 72 Malayalam */
474  "kan", /* 73 Kannada */
475  "tam", /* 74 Tamil */
476  "tel", /* 75 Telugu */
477  "", /* 76 Sinhala */
478  "bur", /* 77 Burmese */
479  "khm", /* 78 Khmer */
480  "lao", /* 79 Lao */
481  "vie", /* 80 Vietnamese */
482  "ind", /* 81 Indonesian */
483  "tgl", /* 82 Tagalog */
484  "may", /* 83 MalayRoman */
485  "may", /* 84 MalayArabic */
486  "amh", /* 85 Amharic */
487  "tir", /* 86 Galla */
488  "orm", /* 87 Oromo */
489  "som", /* 88 Somali */
490  "swa", /* 89 Swahili */
491  "", /* 90 Kinyarwanda */
492  "run", /* 91 Rundi */
493  "", /* 92 Nyanja */
494  "mlg", /* 93 Malagasy */
495  "epo", /* 94 Esperanto */
496  "", /* 95 */
497  "", /* 96 */
498  "", /* 97 */
499  "", /* 98 */
500  "", /* 99 */
501  "", /* 100 */
502  "", /* 101 */
503  "", /* 102 */
504  "", /* 103 */
505  "", /* 104 */
506  "", /* 105 */
507  "", /* 106 */
508  "", /* 107 */
509  "", /* 108 */
510  "", /* 109 */
511  "", /* 110 */
512  "", /* 111 */
513  "", /* 112 */
514  "", /* 113 */
515  "", /* 114 */
516  "", /* 115 */
517  "", /* 116 */
518  "", /* 117 */
519  "", /* 118 */
520  "", /* 119 */
521  "", /* 120 */
522  "", /* 121 */
523  "", /* 122 */
524  "", /* 123 */
525  "", /* 124 */
526  "", /* 125 */
527  "", /* 126 */
528  "", /* 127 */
529  "wel", /* 128 Welsh */
530  "baq", /* 129 Basque */
531  "cat", /* 130 Catalan */
532  "lat", /* 131 Latin */
533  "que", /* 132 Quechua */
534  "grn", /* 133 Guarani */
535  "aym", /* 134 Aymara */
536  "tat", /* 135 Tatar */
537  "uig", /* 136 Uighur */
538  "dzo", /* 137 Dzongkha */
539  "jav", /* 138 JavaneseRom */
540 };
541 
542 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
543 {
544  int i, code = 0;
545 
546  /* old way, only for QT? */
547  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
548  if (!strcmp(lang, mov_mdhd_language_map[i]))
549  return i;
550  }
551  /* XXX:can we do that in mov too? */
552  if (!mp4)
553  return -1;
554  /* handle undefined as such */
555  if (lang[0] == '\0')
556  lang = "und";
557  /* 5 bits ASCII */
558  for (i = 0; i < 3; i++) {
559  uint8_t c = lang[i];
560  c -= 0x60;
561  if (c > 0x1f)
562  return -1;
563  code <<= 5;
564  code |= c;
565  }
566  return code;
567 }
568 
569 int ff_mov_lang_to_iso639(unsigned code, char to[4])
570 {
571  int i;
572  memset(to, 0, 4);
573  /* is it the mangled iso code? */
574  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
575  if (code >= 0x400 && code != 0x7fff) {
576  for (i = 2; i >= 0; i--) {
577  to[i] = 0x60 + (code & 0x1f);
578  code >>= 5;
579  }
580  return 1;
581  }
582  /* old fashion apple lang code */
583  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
584  return 0;
585  if (!mov_mdhd_language_map[code][0])
586  return 0;
587  memcpy(to, mov_mdhd_language_map[code], 4);
588  return 1;
589 }
590 
591 int ff_mp4_read_descr_len(AVIOContext *pb)
592 {
593  int len = 0;
594  int count = 4;
595  while (count--) {
596  int c = avio_r8(pb);
597  len = (len << 7) | (c & 0x7f);
598  if (!(c & 0x80))
599  break;
600  }
601  return len;
602 }
603 
604 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
605 {
606  int len;
607  *tag = avio_r8(pb);
608  len = ff_mp4_read_descr_len(pb);
609  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
610  return len;
611 }
612 
613 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
614 {
615  int flags;
616  if (es_id) *es_id = avio_rb16(pb);
617  else avio_rb16(pb);
618  flags = avio_r8(pb);
619  if (flags & 0x80) //streamDependenceFlag
620  avio_rb16(pb);
621  if (flags & 0x40) { //URL_Flag
622  int len = avio_r8(pb);
623  avio_skip(pb, len);
624  }
625  if (flags & 0x20) //OCRstreamFlag
626  avio_rb16(pb);
627 }
628 
629 static const AVCodecTag mp4_audio_types[] = {
630  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
631  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
632  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
633  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
634  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
635  { AV_CODEC_ID_NONE, AOT_NULL },
636 };
637 
638 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
639 {
640  enum AVCodecID codec_id;
641  unsigned v;
642  int len, tag;
643  int ret;
644  int object_type_id = avio_r8(pb);
645  avio_r8(pb); /* stream type */
646  avio_rb24(pb); /* buffer size db */
647 
648  v = avio_rb32(pb);
649 
650  // TODO: fix this with codecpar
651 #if FF_API_LAVF_AVCTX
652 FF_DISABLE_DEPRECATION_WARNINGS
653  if (v < INT32_MAX)
654  st->codec->rc_max_rate = v;
655 FF_ENABLE_DEPRECATION_WARNINGS
656 #endif
657 
658  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
659 
660  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
661  if (codec_id)
662  st->codecpar->codec_id = codec_id;
663  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
664  len = ff_mp4_read_descr(fc, pb, &tag);
665  if (tag == MP4DecSpecificDescrTag) {
666  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
667  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
668  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
669  if (object_type_id == 0x69 || object_type_id == 0x6b)
670  return 0;
671  if (!len || (uint64_t)len > (1<<30))
672  return AVERROR_INVALIDDATA;
673  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
674  return ret;
675  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
676  MPEG4AudioConfig cfg = {0};
677  ret = avpriv_mpeg4audio_get_config2(&cfg, st->codecpar->extradata,
678  st->codecpar->extradata_size, 1, fc);
679  if (ret < 0)
680  return ret;
681  st->codecpar->channels = cfg.channels;
682  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
683  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
684  else if (cfg.ext_sample_rate)
685  st->codecpar->sample_rate = cfg.ext_sample_rate;
686  else
687  st->codecpar->sample_rate = cfg.sample_rate;
688  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
689  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
690  cfg.object_type, cfg.ext_object_type,
691  cfg.sample_rate, cfg.ext_sample_rate);
692  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
693  cfg.object_type)))
694  st->codecpar->codec_id = AV_CODEC_ID_AAC;
695  }
696  }
697  return 0;
698 }
699 
700 typedef struct MovChannelLayout {
701  int64_t channel_layout;
702  uint32_t layout_tag;
703 } MovChannelLayout;
704 
705 static const MovChannelLayout mov_channel_layout[] = {
706  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
707  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
708  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
709  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
710  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
711  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
712  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
713  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
714  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
715  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
716  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
717  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
718  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
719  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
720  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
721  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
722  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
723  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
724  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
725  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
726  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
727  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
728  { 0, 0},
729 };
730 #if 0
731 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
732 {
733  AVCodecContext *codec= st->codec;
734  uint32_t layout_tag;
735  AVIOContext *pb = s->pb;
736  const MovChannelLayout *layouts = mov_channel_layout;
737 
738  if (size < 12)
739  return AVERROR_INVALIDDATA;
740 
741  layout_tag = avio_rb32(pb);
742  size -= 4;
743  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
744  // Channel descriptions not implemented
745  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
746  avio_skip(pb, size);
747  return 0;
748  }
749  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
750  codec->channel_layout = avio_rb32(pb);
751  size -= 4;
752  avio_skip(pb, size);
753  return 0;
754  }
755  while (layouts->channel_layout) {
756  if (layout_tag == layouts->layout_tag) {
757  codec->channel_layout = layouts->channel_layout;
758  break;
759  }
760  layouts++;
761  }
762  if (!codec->channel_layout)
763  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
764  avio_skip(pb, size);
765 
766  return 0;
767 }
768 #endif
769 
770 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
771 {
772  const MovChannelLayout *layouts;
773  uint32_t layout_tag = 0;
774 
775  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
776  if (channel_layout == layouts->channel_layout) {
777  layout_tag = layouts->layout_tag;
778  break;
779  }
780 
781  if (layout_tag) {
782  avio_wb32(pb, layout_tag); // mChannelLayoutTag
783  avio_wb32(pb, 0); // mChannelBitmap
784  } else {
785  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
786  avio_wb32(pb, channel_layout);
787  }
788  avio_wb32(pb, 0); // mNumberChannelDescriptions
789 }
790 
791 const struct AVCodecTag *avformat_get_mov_video_tags(void)
792 {
793  return ff_codec_movvideo_tags;
794 }
795 
796 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
797 {
798  return ff_codec_movaudio_tags;
799 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:115
AV_CODEC_ID_AMR_NB
Definition: codec_id.h:400
AV_CODEC_ID_PCM_S24BE
Definition: codec_id.h:321
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:542
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:629
AV_CODEC_ID_VP9
Definition: codec_id.h:217
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:112
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: codec_id.h:47
AV_CODEC_ID_AMR_WB
Definition: codec_id.h:401
AV_CODEC_ID_DNXHD
Definition: codec_id.h:148
AV_CODEC_ID_PCM_S8
Definition: codec_id.h:312
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:613
AV_CODEC_ID_BIN_DATA
Definition: codec_id.h:558
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3095
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:118
ret
ret
Definition: filter_design.txt:187
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
AV_CODEC_ID_PNG
Definition: codec_id.h:110
AV_CH_LAYOUT_SURROUND
#define AV_CH_LAYOUT_SURROUND
Definition: channel_layout.h:94
mov_channel_layout
static const MovChannelLayout mov_channel_layout[]
Definition: isom.c:705
AV_CODEC_ID_R210
Definition: codec_id.h:182
AV_CODEC_ID_VC1
Definition: codec_id.h:119
AV_CODEC_ID_PIXLET
Definition: codec_id.h:270
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
AV_CODEC_ID_AVRP
Definition: codec_id.h:248
AV_CODEC_ID_FLAC
Definition: codec_id.h:430
AV_CODEC_ID_MP1
Definition: codec_id.h:460
AV_CODEC_ID_QTRLE
Definition: codec_id.h:104
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:96
AV_CODEC_ID_MAGICYUV
Definition: codec_id.h:266
AV_CODEC_ID_MPEG4
Definition: codec_id.h:61
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:341
AV_CODEC_ID_V410
Definition: codec_id.h:206
AV_CODEC_ID_PRORES
Definition: codec_id.h:197
AV_CODEC_ID_MP3ON4
Definition: codec_id.h:432
AV_CH_LAYOUT_STEREO
#define AV_CH_LAYOUT_STEREO
Definition: channel_layout.h:91
avio_rb16
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:768
AV_CODEC_ID_H264
Definition: codec_id.h:76
AV_CODEC_ID_EIA_608
Definition: codec_id.h:528
AV_CH_LAYOUT_5POINT0
#define AV_CH_LAYOUT_5POINT0
Definition: channel_layout.h:100
mpegaudiodata.h
mpeg audio layer common tables.
MovChannelLayout::layout_tag
uint32_t layout_tag
Definition: isom.c:702
AV_CODEC_ID_MACE6
Definition: codec_id.h:428
AV_CODEC_ID_ALAC
Definition: codec_id.h:434
AV_CODEC_ID_EXR
Definition: codec_id.h:229
AV_CODEC_ID_SPEEX
Definition: codec_id.h:453
AV_CODEC_ID_Y41P
Definition: codec_id.h:247
AVFormatContext
Format I/O context.
Definition: avformat.h:1355
AV_CODEC_ID_DVD_SUBTITLE
Definition: codec_id.h:517
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:400
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:796
AV_CODEC_ID_TARGA_Y216
Definition: codec_id.h:252
uint8_t
uint8_t
Definition: audio_convert.c:194
avpriv_mpeg4audio_get_config2
int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, int size, int sync_extension, void *logctx)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:190
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:220
AV_CODEC_ID_DIRAC
Definition: codec_id.h:165
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:783
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: codec_id.h:420
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: codec_id.h:347
tag
uint32_t tag
Definition: movenc.c:1597
AV_CODEC_ID_SMV
Definition: codec_id.h:491
AV_CODEC_ID_DXV
Definition: codec_id.h:240
size
ptrdiff_t size
Definition: opengl_enc.c:100
AV_CODEC_ID_MJPEG
Definition: codec_id.h:56
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: codec_id.h:437
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: codec_par.h:89
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:791
AV_CODEC_ID_DVVIDEO
Definition: codec_id.h:73
AV_CODEC_ID_NELLYMOSER
Definition: codec_id.h:451
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:101
AV_CODEC_ID_TRUEHD
Definition: codec_id.h:462
AV_CODEC_ID_MPEG1VIDEO
Definition: codec_id.h:50
fc
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:550
AV_CODEC_ID_SVQ3
Definition: codec_id.h:72
ff_codec_movdata_tags
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:391
AV_CODEC_ID_MJPEGB
Definition: codec_id.h:57
AV_CODEC_ID_PCM_ALAW
Definition: codec_id.h:315
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:638
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
AV_CODEC_ID_MACE3
Definition: codec_id.h:427
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:591
AV_CODEC_ID_SHEERVIDEO
Definition: codec_id.h:267
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:307
AV_CODEC_ID_VP3
Definition: codec_id.h:78
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:701
AV_CODEC_ID_DTS
Definition: codec_id.h:422
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:419
AV_CH_LAYOUT_QUAD
#define AV_CH_LAYOUT_QUAD
Definition: channel_layout.h:99
count
GLsizei count
Definition: opengl_enc.c:108
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:384
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:1237
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: codec_par.h:78
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:628
AV_CODEC_ID_NOTCHLC
Definition: codec_id.h:298
AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_1
Definition: channel_layout.h:93
AV_CH_LAYOUT_2_2
#define AV_CH_LAYOUT_2_2
Definition: channel_layout.h:98
AV_CODEC_ID_MPEGH_3D_AUDIO
Definition: codec_id.h:510
AV_CODEC_ID_AVUI
Definition: codec_id.h:250
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:776
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:117
AV_CODEC_ID_MOV_TEXT
Definition: codec_id.h:522
AV_CODEC_ID_CDTOONS
Definition: codec_id.h:296
AV_CODEC_ID_CINEPAK
Definition: codec_id.h:92
AV_CODEC_ID_PCM_F64BE
Definition: codec_id.h:330
AV_CODEC_ID_SMC
Definition: codec_id.h:98
AV_CODEC_ID_H263
Definition: codec_id.h:53
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_CODEC_ID_V408
Definition: codec_id.h:254
AV_CODEC_ID_R10K
Definition: codec_id.h:194
AV_CODEC_ID_QDMC
Definition: codec_id.h:468
AV_CODEC_ID_OPUS
Definition: codec_id.h:478
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
AV_CODEC_ID_VP8
Definition: codec_id.h:189
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:103
AV_CODEC_ID_PCM_S16BE
Definition: codec_id.h:309
AV_CODEC_ID_DVAUDIO
Definition: codec_id.h:424
AV_CODEC_ID_SVQ1
Definition: codec_id.h:71
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
AV_CODEC_ID_QCELP
Definition: codec_id.h:442
ff_mov_read_chan
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
Read &#39;chan&#39; tag from the input stream.
Definition: mov_chan.c:547
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen_template.c:38
AV_CODEC_ID_RPZA
Definition: codec_id.h:91
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:569
AVStream
Stream structure.
Definition: avformat.h:880
AV_CODEC_ID_PCM_U8
Definition: codec_id.h:313
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: codec_id.h:565
AV_CODEC_ID_AV1
Definition: codec_id.h:276
ff_codec_movaudio_tags
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:324
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:119
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1397
AVCodecContext
main external API structure.
Definition: avcodec.h:526
AV_CODEC_ID_AC3
Definition: codec_id.h:421
AV_CODEC_ID_PCM_MULAW
Definition: codec_id.h:314
AV_CODEC_ID_EAC3
Definition: codec_id.h:458
AV_CODEC_ID_PCM_F32BE
Definition: codec_id.h:328
AV_CODEC_ID_TARGA
Definition: codec_id.h:142
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:102
AV_CODEC_ID_TSCC2
Definition: codec_id.h:213
AV_CODEC_ID_PCM_S24LE
Definition: codec_id.h:320
AV_CODEC_ID_MP2
Definition: codec_id.h:418
AV_CODEC_ID_EVRC
Definition: codec_id.h:490
AV_CODEC_ID_PCM_F64LE
Definition: codec_id.h:331
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: codec_id.h:223
AV_CODEC_ID_DPX
Definition: codec_id.h:177
AV_CODEC_ID_V210
Definition: codec_id.h:176
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:560
code
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some it can consider them to be part of the FIFO and delay acknowledging a status change accordingly Example code
Definition: filter_design.txt:172
AV_CODEC_ID_HAP
Definition: codec_id.h:238
AV_CODEC_ID_CAVS
Definition: codec_id.h:136
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:113
AV_CODEC_ID_JPEG2000
Definition: codec_id.h:137
AV_CODEC_ID_TIFF
Definition: codec_id.h:145
AV_CODEC_ID_AVRN
Definition: codec_id.h:256
AV_CODEC_ID_QDRAW
Definition: codec_id.h:107
AV_CODEC_ID_PCM_F32LE
Definition: codec_id.h:329
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: codec_par.h:170
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:770
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:604
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AV_CODEC_ID_V308
Definition: codec_id.h:253
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:3276
AV_CODEC_ID_PCM_S16LE
Definition: codec_id.h:308
AV_CODEC_ID_SGIRLE
Definition: codec_id.h:232
AV_CODEC_ID_8BPS
Definition: codec_id.h:97
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:122
AV_CODEC_ID_MSMPEG4V3
Definition: codec_id.h:65
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:120
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: codec_id.h:436
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: codec_id.h:255
AV_CODEC_ID_MP4ALS
Definition: codec_id.h:463
AV_CODEC_ID_FLIC
Definition: codec_id.h:99
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: codec_par.h:74
AVCodecParameters::channels
int channels
Audio only.
Definition: codec_par.h:166
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:387
AV_CODEC_ID_PCM_S32LE
Definition: codec_id.h:316
AVStream::codecpar
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1027
AV_CODEC_ID_GIF
Definition: codec_id.h:146
AV_CODEC_ID_RAWVIDEO
Definition: codec_id.h:62
AV_CODEC_ID_AIC
Definition: codec_id.h:218
AV_CODEC_ID_ILBC
Definition: codec_id.h:477
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:90
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:406
AV_CODEC_ID_MSRLE
Definition: codec_id.h:94
AV_CODEC_ID_VORBIS
Definition: codec_id.h:423
i
int i
Definition: input.c:407
AV_CODEC_ID_PCM_S32BE
Definition: codec_id.h:317
AV_CODEC_ID_SGI
Definition: codec_id.h:150
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