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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_MJPEG, 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_NONE, 0 },
262 };
263 
264 const AVCodecTag ff_codec_movaudio_tags[] = {
265  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
266  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
267  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
268  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
269  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
270  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
271  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
272  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
273  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
274  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
275  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
276  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
277  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
278  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
279  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
280  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
281  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
282  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
283  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
284  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
285  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
286  { AV_CODEC_ID_MP3, 0x6D730055 },
287  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
288  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
289  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
290  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
291  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
292  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
293  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
294  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
295  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
296  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
297  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
298  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
299  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
300  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
301  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
302  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
303  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
304  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
305  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
306  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
307  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
308  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
309  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
310  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
311  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
312  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
313  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
314  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
315  { AV_CODEC_ID_NONE, 0 },
316 };
317 
318 const AVCodecTag ff_codec_movsubtitle_tags[] = {
319  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
320  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
321  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
322  { AV_CODEC_ID_NONE, 0 },
323 };
324 
325 /* map numeric codes from mdhd atom to ISO 639 */
326 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
327 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
328 /* deprecated by putting the code as 3*5bit ascii */
329 static const char mov_mdhd_language_map[][4] = {
330  /* 0-9 */
331  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
332  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
333  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
334  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
335  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
336  /*?*/
337  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
338  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
339  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
340  /* roman? arabic? */
341  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
342  /*==rundi?*/
343  "", "run", "", "mlg", "epo", "", "", "", "", "",
344  /* 100 */
345  "", "", "", "", "", "", "", "", "", "",
346  "", "", "", "", "", "", "", "", "", "",
347  "", "", "", "", "", "", "", "", "wel", "baq",
348  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
349 };
350 
351 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
352 {
353  int i, code = 0;
354 
355  /* old way, only for QT? */
356  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
357  if (!strcmp(lang, mov_mdhd_language_map[i]))
358  return i;
359  }
360  /* XXX:can we do that in mov too? */
361  if (!mp4)
362  return -1;
363  /* handle undefined as such */
364  if (lang[0] == '\0')
365  lang = "und";
366  /* 5bit ascii */
367  for (i = 0; i < 3; i++) {
368  uint8_t c = lang[i];
369  c -= 0x60;
370  if (c > 0x1f)
371  return -1;
372  code <<= 5;
373  code |= c;
374  }
375  return code;
376 }
377 
378 int ff_mov_lang_to_iso639(unsigned code, char to[4])
379 {
380  int i;
381  memset(to, 0, 4);
382  /* is it the mangled iso code? */
383  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
384  if (code >= 0x400 && code != 0x7fff) {
385  for (i = 2; i >= 0; i--) {
386  to[i] = 0x60 + (code & 0x1f);
387  code >>= 5;
388  }
389  return 1;
390  }
391  /* old fashion apple lang code */
392  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
393  return 0;
394  if (!mov_mdhd_language_map[code][0])
395  return 0;
396  memcpy(to, mov_mdhd_language_map[code], 4);
397  return 1;
398 }
399 
400 int ff_mp4_read_descr_len(AVIOContext *pb)
401 {
402  int len = 0;
403  int count = 4;
404  while (count--) {
405  int c = avio_r8(pb);
406  len = (len << 7) | (c & 0x7f);
407  if (!(c & 0x80))
408  break;
409  }
410  return len;
411 }
412 
413 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
414 {
415  int len;
416  *tag = avio_r8(pb);
417  len = ff_mp4_read_descr_len(pb);
418  av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
419  return len;
420 }
421 
422 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
423 {
424  int flags;
425  if (es_id) *es_id = avio_rb16(pb);
426  else avio_rb16(pb);
427  flags = avio_r8(pb);
428  if (flags & 0x80) //streamDependenceFlag
429  avio_rb16(pb);
430  if (flags & 0x40) { //URL_Flag
431  int len = avio_r8(pb);
432  avio_skip(pb, len);
433  }
434  if (flags & 0x20) //OCRstreamFlag
435  avio_rb16(pb);
436 }
437 
438 static const AVCodecTag mp4_audio_types[] = {
439  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
440  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
441  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
442  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
443  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
444  { AV_CODEC_ID_NONE, AOT_NULL },
445 };
446 
447 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
448 {
449  enum AVCodecID codec_id;
450  int len, tag;
451  int ret;
452  int object_type_id = avio_r8(pb);
453  avio_r8(pb); /* stream type */
454  avio_rb24(pb); /* buffer size db */
455  avio_rb32(pb); /* max bitrate */
456  avio_rb32(pb); /* avg bitrate */
457 
458  if(avcodec_is_open(st->codec)) {
459  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
460  return -1;
461  }
462 
463  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
464  if (codec_id)
465  st->codec->codec_id= codec_id;
466  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
467  len = ff_mp4_read_descr(fc, pb, &tag);
468  if (tag == MP4DecSpecificDescrTag) {
469  av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len);
470  if (!len || (uint64_t)len > (1<<30))
471  return -1;
472  av_free(st->codec->extradata);
473  if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
474  return ret;
475  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
476  MPEG4AudioConfig cfg = {0};
477  avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
478  st->codec->extradata_size * 8, 1);
479  st->codec->channels = cfg.channels;
480  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
481  st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
482  else if (cfg.ext_sample_rate)
483  st->codec->sample_rate = cfg.ext_sample_rate;
484  else
485  st->codec->sample_rate = cfg.sample_rate;
486  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
487  "sample rate %d ext sample rate %d\n", st->codec->channels,
488  cfg.object_type, cfg.ext_object_type,
489  cfg.sample_rate, cfg.ext_sample_rate);
490  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
491  cfg.object_type)))
492  st->codec->codec_id = AV_CODEC_ID_AAC;
493  }
494  }
495  return 0;
496 }
497 
498 typedef struct MovChannelLayout {
499  int64_t channel_layout;
500  uint32_t layout_tag;
501 } MovChannelLayout;
502 
503 static const MovChannelLayout mov_channel_layout[] = {
504  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
505  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
506  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
507  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
508  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
509  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
510  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
511  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
512  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
513  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
514  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
515  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
516  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
517  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
518  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
519  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
520  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
521  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
522  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
523  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
524  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
525  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
526  { 0, 0},
527 };
528 #if 0
529 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
530 {
531  AVCodecContext *codec= st->codec;
532  uint32_t layout_tag;
533  AVIOContext *pb = s->pb;
534  const MovChannelLayout *layouts = mov_channel_layout;
535 
536  if (size < 12)
537  return AVERROR_INVALIDDATA;
538 
539  layout_tag = avio_rb32(pb);
540  size -= 4;
541  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
542  // Channel descriptions not implemented
543  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
544  avio_skip(pb, size);
545  return 0;
546  }
547  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
548  codec->channel_layout = avio_rb32(pb);
549  size -= 4;
550  avio_skip(pb, size);
551  return 0;
552  }
553  while (layouts->channel_layout) {
554  if (layout_tag == layouts->layout_tag) {
555  codec->channel_layout = layouts->channel_layout;
556  break;
557  }
558  layouts++;
559  }
560  if (!codec->channel_layout)
561  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
562  avio_skip(pb, size);
563 
564  return 0;
565 }
566 #endif
567 
568 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
569 {
570  const MovChannelLayout *layouts;
571  uint32_t layout_tag = 0;
572 
573  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
574  if (channel_layout == layouts->channel_layout) {
575  layout_tag = layouts->layout_tag;
576  break;
577  }
578 
579  if (layout_tag) {
580  avio_wb32(pb, layout_tag); // mChannelLayoutTag
581  avio_wb32(pb, 0); // mChannelBitmap
582  } else {
583  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
584  avio_wb32(pb, channel_layout);
585  }
586  avio_wb32(pb, 0); // mNumberChannelDescriptions
587 }
588 
589 const struct AVCodecTag *avformat_get_mov_video_tags(void)
590 {
591  return ff_codec_movvideo_tags;
592 }
593 
594 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
595 {
596  return ff_codec_movaudio_tags;
597 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:86
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:406
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:342
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:351
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:438
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
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:407
AV_CODEC_ID_DNXHD
Definition: avcodec.h:207
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:333
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:422
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2713
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:503
ff_get_extradata
int ff_get_extradata(AVCodecContext *avctx, AVIOContext *pb, int size)
Allocate extradata with additional FF_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:2885
AV_CODEC_ID_R210
Definition: avcodec.h:241
AV_CODEC_ID_VC1
Definition: avcodec.h:178
AV_CODEC_ID_AVRP
Definition: avcodec.h:301
AV_CODEC_ID_MP1
Definition: avcodec.h:465
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:276
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:28
AV_CODEC_ID_V410
Definition: avcodec.h:265
AV_CODEC_ID_PRORES
Definition: avcodec.h:256
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:434
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:674
AV_CODEC_ID_H264
Definition: avcodec.h:135
AV_CODEC_ID_EIA_608
Definition: avcodec.h:515
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:500
AV_CODEC_ID_MACE6
Definition: avcodec.h:430
AV_CODEC_ID_ALAC
Definition: avcodec.h:436
AV_CODEC_ID_EXR
Definition: avcodec.h:300
AV_CODEC_ID_SPEEX
Definition: avcodec.h:458
AV_CODEC_ID_Y41P
Definition: avcodec.h:298
AVFormatContext
Format I/O context.
Definition: avformat.h:1272
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:505
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:329
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:594
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:307
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:204
AV_CODEC_ID_DIRAC
Definition: avcodec.h:224
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:689
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:422
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1355
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:364
tag
uint32_t tag
Definition: movenc.c:1333
AV_CODEC_ID_SMV
Definition: avcodec.h:497
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:439
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:589
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:132
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:456
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:336
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:447
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:102
AV_CODEC_ID_MACE3
Definition: avcodec.h:429
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:400
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:212
AV_CODEC_ID_VP3
Definition: avcodec.h:137
avcodec_is_open
int avcodec_is_open(AVCodecContext *s)
Definition: utils.c:3779
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:499
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:424
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:421
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:318
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2046
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:528
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:305
fc
static const uint16_t fc[]
Definition: dcaenc.h:41
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:682
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:111
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:510
ret
ret
Definition: avfilter.c:974
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:151
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:351
AV_CODEC_ID_SMC
Definition: avcodec.h:157
AV_CODEC_ID_H263
Definition: avcodec.h:112
AV_CODEC_ID_V408
Definition: avcodec.h:309
AV_CODEC_ID_R10K
Definition: avcodec.h:253
AV_CODEC_ID_QDMC
Definition: avcodec.h:473
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:330
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:426
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:444
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
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:378
AVStream
Stream structure.
Definition: avformat.h:842
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:334
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:546
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:264
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:1258
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:90
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:1985
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1314
AVCodecContext
main external API structure.
Definition: avcodec.h:1241
AV_CODEC_ID_AC3
Definition: avcodec.h:423
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:335
AV_CODEC_ID_EAC3
Definition: avcodec.h:463
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:349
AVCodecContext::extradata_size
int extradata_size
Definition: avcodec.h:1356
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:341
AV_CODEC_ID_MP2
Definition: avcodec.h:420
AV_CODEC_ID_EVRC
Definition: avcodec.h:496
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:352
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:322
AV_CODEC_ID_DPX
Definition: avcodec.h:236
AV_CODEC_ID_V210
Definition: avcodec.h:235
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_QDRAW
Definition: avcodec.h:166
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:350
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:568
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:413
AV_CODEC_ID_V308
Definition: avcodec.h:308
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:329
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:316
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:438
len
int len
Definition: vorbis_enc_data.h:452
AVCodecContext::channels
int channels
number of audio channels
Definition: avcodec.h:1986
AV_CODEC_ID_YUV4
Definition: avcodec.h:310
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:468
AV_CODEC_ID_FLIC
Definition: avcodec.h:158
AV_CODEC_ID_WMAV2
Definition: avcodec.h:428
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:326
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:337
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:482
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:315
AV_CODEC_ID_MSRLE
Definition: avcodec.h:153
AV_CODEC_ID_VORBIS
Definition: avcodec.h:425
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:338
AV_CODEC_ID_SGI
Definition: avcodec.h:209
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