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isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
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 }, /* MPEG2 Main */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG2 Simple */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG2 SNR */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG2 Spatial */
45  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG2 High */
46  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG2 422 */
47  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
48  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
49  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
50  { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51  { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
52  { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
53  { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
54  { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55  { AV_CODEC_ID_PNG , 0x6D },
56  { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57  { AV_CODEC_ID_VC1 , 0xA3 },
58  { AV_CODEC_ID_DIRAC , 0xA4 },
59  { AV_CODEC_ID_AC3 , 0xA5 },
60  { AV_CODEC_ID_EAC3 , 0xA6 },
61  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
62  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* non standard, camtasia uses it */
63  { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
64  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
65  { AV_CODEC_ID_QCELP , 0xE1 },
66  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
67  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
68  { AV_CODEC_ID_NONE , 0 },
69 };
70 
71 const AVCodecTag ff_codec_movvideo_tags[] = {
72 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
73 
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
78 
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
95 
96  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
97  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
98  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
99  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
100  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
101  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
102  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
103  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
104  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4 */
105  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4:4 */
106  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
107  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* UNCOMPRESSED 12BIT 4:1:1 */
108  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
109  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
110 
111  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
112  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
113  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
114 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
115  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
116  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
117 
118  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
119  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
120  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
121  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
122 
123  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
124  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
125  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
126  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
127 
128  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
129  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
130 
131  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
146 
147  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
148  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
149  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
150  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
151  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
152  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
153  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
154  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
155  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
156 
157  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
158 
159  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
160  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
161 
162  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
163  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
175  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
177  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
178 
179  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
180  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
181  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
182  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
229 
230  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
231 
232  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
233  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
234  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
235  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
236  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
237 
238  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
239  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
240 
241  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
242  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
243  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
244  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
245  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
246  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
247  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
248  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
249  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
250 
251  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
252  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
253  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
254  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
255  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
256  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
257  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
258 
259  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
260 
261  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
262  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
263  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
264 
265  { AV_CODEC_ID_NONE, 0 },
266 };
267 
268 const AVCodecTag ff_codec_movaudio_tags[] = {
269  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
270  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
271  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
272  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
273  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
274  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
275  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
276  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
277  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
278  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
279  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
280  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
281  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
282  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
283  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
284  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
285  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
286  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
287  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
288  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
289  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
290  { AV_CODEC_ID_MP3, 0x6D730055 },
291  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
292  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
293  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
294  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
295  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
296  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
297  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
298  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
299  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
300  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
301  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
302  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
303  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
304  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
305  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
306  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
307  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
308  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
309  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
310  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
311  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
312  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
313  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
314  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
315  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
316  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
317  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
318  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
319  { AV_CODEC_ID_NONE, 0 },
320 };
321 
322 const AVCodecTag ff_codec_movsubtitle_tags[] = {
323  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
324  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
325  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
326  { AV_CODEC_ID_NONE, 0 },
327 };
328 
329 /* map numeric codes from mdhd atom to ISO 639 */
330 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
331 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
332 /* deprecated by putting the code as 3*5bit ascii */
333 static const char mov_mdhd_language_map[][4] = {
334  /* 0-9 */
335  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
336  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
337  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
338  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
339  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
340  /*?*/
341  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
342  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
343  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
344  /* roman? arabic? */
345  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
346  /*==rundi?*/
347  "", "run", "", "mlg", "epo", "", "", "", "", "",
348  /* 100 */
349  "", "", "", "", "", "", "", "", "", "",
350  "", "", "", "", "", "", "", "", "", "",
351  "", "", "", "", "", "", "", "", "wel", "baq",
352  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
353 };
354 
355 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
356 {
357  int i, code = 0;
358 
359  /* old way, only for QT? */
360  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
361  if (!strcmp(lang, mov_mdhd_language_map[i]))
362  return i;
363  }
364  /* XXX:can we do that in mov too? */
365  if (!mp4)
366  return -1;
367  /* handle undefined as such */
368  if (lang[0] == '\0')
369  lang = "und";
370  /* 5bit ascii */
371  for (i = 0; i < 3; i++) {
372  uint8_t c = lang[i];
373  c -= 0x60;
374  if (c > 0x1f)
375  return -1;
376  code <<= 5;
377  code |= c;
378  }
379  return code;
380 }
381 
382 int ff_mov_lang_to_iso639(unsigned code, char to[4])
383 {
384  int i;
385  memset(to, 0, 4);
386  /* is it the mangled iso code? */
387  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
388  if (code >= 0x400 && code != 0x7fff) {
389  for (i = 2; i >= 0; i--) {
390  to[i] = 0x60 + (code & 0x1f);
391  code >>= 5;
392  }
393  return 1;
394  }
395  /* old fashion apple lang code */
396  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
397  return 0;
398  if (!mov_mdhd_language_map[code][0])
399  return 0;
400  memcpy(to, mov_mdhd_language_map[code], 4);
401  return 1;
402 }
403 
404 int ff_mp4_read_descr_len(AVIOContext *pb)
405 {
406  int len = 0;
407  int count = 4;
408  while (count--) {
409  int c = avio_r8(pb);
410  len = (len << 7) | (c & 0x7f);
411  if (!(c & 0x80))
412  break;
413  }
414  return len;
415 }
416 
417 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
418 {
419  int len;
420  *tag = avio_r8(pb);
421  len = ff_mp4_read_descr_len(pb);
422  av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
423  return len;
424 }
425 
426 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
427 {
428  int flags;
429  if (es_id) *es_id = avio_rb16(pb);
430  else avio_rb16(pb);
431  flags = avio_r8(pb);
432  if (flags & 0x80) //streamDependenceFlag
433  avio_rb16(pb);
434  if (flags & 0x40) { //URL_Flag
435  int len = avio_r8(pb);
436  avio_skip(pb, len);
437  }
438  if (flags & 0x20) //OCRstreamFlag
439  avio_rb16(pb);
440 }
441 
442 static const AVCodecTag mp4_audio_types[] = {
443  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
444  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
445  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
446  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
447  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
448  { AV_CODEC_ID_NONE, AOT_NULL },
449 };
450 
451 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
452 {
453  enum AVCodecID codec_id;
454  unsigned v;
455  int len, tag;
456  int ret;
457  int object_type_id = avio_r8(pb);
458  avio_r8(pb); /* stream type */
459  avio_rb24(pb); /* buffer size db */
460 
461  if(avcodec_is_open(st->codec)) {
462  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
463  return -1;
464  }
465 
466  v = avio_rb32(pb);
467  if (v < INT32_MAX)
468  st->codec->rc_max_rate = v;
469 
470  st->codec->bit_rate = avio_rb32(pb); /* avg bitrate */
471 
472  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
473  if (codec_id)
474  st->codec->codec_id= codec_id;
475  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
476  len = ff_mp4_read_descr(fc, pb, &tag);
477  if (tag == MP4DecSpecificDescrTag) {
478  av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len);
479  if (!len || (uint64_t)len > (1<<30))
480  return -1;
481  av_free(st->codec->extradata);
482  if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
483  return ret;
484  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
485  MPEG4AudioConfig cfg = {0};
486  avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
487  st->codec->extradata_size * 8, 1);
488  st->codec->channels = cfg.channels;
489  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
490  st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
491  else if (cfg.ext_sample_rate)
492  st->codec->sample_rate = cfg.ext_sample_rate;
493  else
494  st->codec->sample_rate = cfg.sample_rate;
495  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
496  "sample rate %d ext sample rate %d\n", st->codec->channels,
497  cfg.object_type, cfg.ext_object_type,
498  cfg.sample_rate, cfg.ext_sample_rate);
499  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
500  cfg.object_type)))
501  st->codec->codec_id = AV_CODEC_ID_AAC;
502  }
503  }
504  return 0;
505 }
506 
507 typedef struct MovChannelLayout {
508  int64_t channel_layout;
509  uint32_t layout_tag;
510 } MovChannelLayout;
511 
512 static const MovChannelLayout mov_channel_layout[] = {
513  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
514  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
515  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
516  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
517  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
518  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
519  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
520  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
521  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
522  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
523  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
524  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
525  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
526  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
527  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
528  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
529  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
530  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
531  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
532  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
533  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
534  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
535  { 0, 0},
536 };
537 #if 0
538 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
539 {
540  AVCodecContext *codec= st->codec;
541  uint32_t layout_tag;
542  AVIOContext *pb = s->pb;
543  const MovChannelLayout *layouts = mov_channel_layout;
544 
545  if (size < 12)
546  return AVERROR_INVALIDDATA;
547 
548  layout_tag = avio_rb32(pb);
549  size -= 4;
550  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
551  // Channel descriptions not implemented
552  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
553  avio_skip(pb, size);
554  return 0;
555  }
556  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
557  codec->channel_layout = avio_rb32(pb);
558  size -= 4;
559  avio_skip(pb, size);
560  return 0;
561  }
562  while (layouts->channel_layout) {
563  if (layout_tag == layouts->layout_tag) {
564  codec->channel_layout = layouts->channel_layout;
565  break;
566  }
567  layouts++;
568  }
569  if (!codec->channel_layout)
570  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
571  avio_skip(pb, size);
572 
573  return 0;
574 }
575 #endif
576 
577 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
578 {
579  const MovChannelLayout *layouts;
580  uint32_t layout_tag = 0;
581 
582  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
583  if (channel_layout == layouts->channel_layout) {
584  layout_tag = layouts->layout_tag;
585  break;
586  }
587 
588  if (layout_tag) {
589  avio_wb32(pb, layout_tag); // mChannelLayoutTag
590  avio_wb32(pb, 0); // mChannelBitmap
591  } else {
592  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
593  avio_wb32(pb, channel_layout);
594  }
595  avio_wb32(pb, 0); // mNumberChannelDescriptions
596 }
597 
598 const struct AVCodecTag *avformat_get_mov_video_tags(void)
599 {
600  return ff_codec_movvideo_tags;
601 }
602 
603 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
604 {
605  return ff_codec_movaudio_tags;
606 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:86
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:410
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:344
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:355
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:442
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
v
float v
Definition: avf_showspectrum.c:96
s
const char * s
Definition: avisynth_c.h:631
AVIOContext
Bytestream IO Context.
Definition: avio.h:111
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: avcodec.h:103
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:411
AV_CODEC_ID_DNXHD
Definition: avcodec.h:207
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:335
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:426
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2773
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:89
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
AV_CODEC_ID_PNG
Definition: avcodec.h:169
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:512
ff_get_extradata
int ff_get_extradata(AVCodecContext *avctx, 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:2945
AV_CODEC_ID_R210
Definition: avcodec.h:241
AV_CODEC_ID_VC1
Definition: avcodec.h:178
AV_CODEC_ID_AVRP
Definition: avcodec.h:303
AV_CODEC_ID_MP1
Definition: avcodec.h:469
AV_CODEC_ID_QTRLE
Definition: avcodec.h:163
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MPEG4
Definition: avcodec.h:120
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:277
AV_CODEC_ID_V410
Definition: avcodec.h:265
AV_CODEC_ID_PRORES
Definition: avcodec.h:256
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:438
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:675
AV_CODEC_ID_H264
Definition: avcodec.h:135
AV_CODEC_ID_EIA_608
Definition: avcodec.h:520
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:509
AV_CODEC_ID_MACE6
Definition: avcodec.h:434
AV_CODEC_ID_ALAC
Definition: avcodec.h:440
AV_CODEC_ID_EXR
Definition: avcodec.h:302
AV_CODEC_ID_SPEEX
Definition: avcodec.h:462
AV_CODEC_ID_Y41P
Definition: avcodec.h:300
AVFormatContext
Format I/O context.
Definition: avformat.h:1273
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:510
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:333
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:603
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:309
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:71
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:224
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:690
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:426
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1617
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:367
tag
uint32_t tag
Definition: movenc.c:1334
AV_CODEC_ID_SMV
Definition: avcodec.h:501
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:115
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:443
to
const char * to
Definition: webvttdec.c:34
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:598
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:132
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:460
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:106
AV_CODEC_ID_SVQ3
Definition: avcodec.h:131
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:116
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:338
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:451
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:102
AV_CODEC_ID_MACE3
Definition: avcodec.h:433
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:404
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:220
AV_CODEC_ID_VP3
Definition: avcodec.h:137
avcodec_is_open
int avcodec_is_open(AVCodecContext *s)
Definition: utils.c:3858
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:508
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
AV_CODEC_ID_DTS
Definition: avcodec.h:428
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:425
AVCodecContext::rc_max_rate
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2604
AV_CH_LAYOUT_QUAD
#define AV_CH_LAYOUT_QUAD
Definition: channel_layout.h:94
codec_id
enum AVCodecID codec_id
Definition: mov_chan.c:433
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:322
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2323
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:529
AVStream::codec
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:861
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:307
fc
static const uint16_t fc[]
Definition: dcaenc.h:41
AVCodecContext::bit_rate
int bit_rate
the average bitrate
Definition: avcodec.h:1567
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:683
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:515
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:151
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:353
AV_CODEC_ID_SMC
Definition: avcodec.h:157
AV_CODEC_ID_H263
Definition: avcodec.h:112
AV_CODEC_ID_V408
Definition: avcodec.h:311
AV_CODEC_ID_R10K
Definition: avcodec.h:253
AV_CODEC_ID_QDMC
Definition: avcodec.h:477
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:332
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:430
AV_CODEC_ID_SVQ1
Definition: avcodec.h:130
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:107
AV_CODEC_ID_QCELP
Definition: avcodec.h:448
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:150
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:382
AVStream
Stream structure.
Definition: avformat.h:842
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:336
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:552
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:268
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:1519
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:90
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:2262
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1315
AVCodecContext
main external API structure.
Definition: avcodec.h:1502
AV_CODEC_ID_AC3
Definition: avcodec.h:427
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:337
AV_CODEC_ID_EAC3
Definition: avcodec.h:467
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:351
AVCodecContext::extradata_size
int extradata_size
Definition: avcodec.h:1618
AV_CODEC_ID_TARGA
Definition: avcodec.h:201
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:272
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:343
AV_CODEC_ID_MP2
Definition: avcodec.h:424
AV_CODEC_ID_EVRC
Definition: avcodec.h:500
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:354
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:324
AV_CODEC_ID_DPX
Definition: avcodec.h:236
AV_CODEC_ID_V210
Definition: avcodec.h:235
AV_CODEC_ID_HAP
Definition: avcodec.h:296
flags
static int flags
Definition: cpu.c:47
AV_CODEC_ID_CAVS
Definition: avcodec.h:195
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:196
AV_CODEC_ID_TIFF
Definition: avcodec.h:204
AV_CODEC_ID_AVRN
Definition: avcodec.h:315
AV_CODEC_ID_QDRAW
Definition: avcodec.h:166
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:352
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:577
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:417
AV_CODEC_ID_V308
Definition: avcodec.h:310
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:331
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:318
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 to retrieve audio configuration.
Definition: mpeg4audio.c:81
AV_CODEC_ID_8BPS
Definition: avcodec.h:156
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:93
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:124
av_free
#define av_free(p)
Definition: tableprint_vlc.h:34
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:91
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: avcodec.h:442
len
int len
Definition: vorbis_enc_data.h:452
AVCodecContext::channels
int channels
number of audio channels
Definition: avcodec.h:2263
AV_CODEC_ID_YUV4
Definition: avcodec.h:312
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:472
AV_CODEC_ID_FLIC
Definition: avcodec.h:158
AV_CODEC_ID_WMAV2
Definition: avcodec.h:432
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:327
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:339
AV_CODEC_ID_GIF
Definition: avcodec.h:205
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:121
AV_CODEC_ID_AIC
Definition: avcodec.h:277
AV_CODEC_ID_ILBC
Definition: avcodec.h:486
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:330
AV_CODEC_ID_MSRLE
Definition: avcodec.h:153
AV_CODEC_ID_VORBIS
Definition: avcodec.h:429
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:340
AV_CODEC_ID_SGI
Definition: avcodec.h:209
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