FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
isom.c
Go to the documentation of this file.
1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
28 #include "libavcodec/mpegaudiodata.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34 const AVCodecTag ff_mp4_obj_type[] = {
35  { AV_CODEC_ID_MOV_TEXT , 0x08 },
36  { AV_CODEC_ID_MPEG4 , 0x20 },
37  { AV_CODEC_ID_H264 , 0x21 },
38  { AV_CODEC_ID_HEVC , 0x23 },
39  { AV_CODEC_ID_AAC , 0x40 },
40  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* 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', 'v', 'c', '2') },
164  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
178  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
180  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
181 
182  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
183  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
184  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
185  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
232 
233  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
234 
235  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
236  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
237  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
238  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
239  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
240 
241  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
242  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
243 
244  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
245  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
246  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
247  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
248  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
249  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
250  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
251  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
252  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
253  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
254 
255  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
256  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
257  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
258  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
259  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
261  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
262 
263  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
264 
265  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
266  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
267  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
268 
269  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
270  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
271 
272  { AV_CODEC_ID_NONE, 0 },
273 };
274 
275 const AVCodecTag ff_codec_movaudio_tags[] = {
276  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
277  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
278  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
279  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
280  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
281  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
282  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
283  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
284  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
285  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
286  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
287  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
288  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
289  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
290  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
291  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
292  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
293  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
294  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
295  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
296  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
297  { AV_CODEC_ID_MP3, 0x6D730055 },
298  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
299  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
300  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
301  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
302  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
303  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
304  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
305  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
306  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
307  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
308  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
309  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
310  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
311  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
312  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
313  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
314  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
315  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
316  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
317  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
318  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
319  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
320  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
321  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
322  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
323  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
324  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
325  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
326  { AV_CODEC_ID_NONE, 0 },
327 };
328 
329 const AVCodecTag ff_codec_movsubtitle_tags[] = {
330  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
331  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
332  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
333  { AV_CODEC_ID_NONE, 0 },
334 };
335 
336 /* map numeric codes from mdhd atom to ISO 639 */
337 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
338 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
339 /* deprecated by putting the code as 3*5bit ascii */
340 static const char mov_mdhd_language_map[][4] = {
341  /* 0-9 */
342  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
343  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
344  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
345  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
346  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
347  /*?*/
348  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
349  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
350  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
351  /* roman? arabic? */
352  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
353  /*==rundi?*/
354  "", "run", "", "mlg", "epo", "", "", "", "", "",
355  /* 100 */
356  "", "", "", "", "", "", "", "", "", "",
357  "", "", "", "", "", "", "", "", "", "",
358  "", "", "", "", "", "", "", "", "wel", "baq",
359  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
360 };
361 
362 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
363 {
364  int i, code = 0;
365 
366  /* old way, only for QT? */
367  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
368  if (!strcmp(lang, mov_mdhd_language_map[i]))
369  return i;
370  }
371  /* XXX:can we do that in mov too? */
372  if (!mp4)
373  return -1;
374  /* handle undefined as such */
375  if (lang[0] == '\0')
376  lang = "und";
377  /* 5bit ascii */
378  for (i = 0; i < 3; i++) {
379  uint8_t c = lang[i];
380  c -= 0x60;
381  if (c > 0x1f)
382  return -1;
383  code <<= 5;
384  code |= c;
385  }
386  return code;
387 }
388 
389 int ff_mov_lang_to_iso639(unsigned code, char to[4])
390 {
391  int i;
392  memset(to, 0, 4);
393  /* is it the mangled iso code? */
394  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
395  if (code >= 0x400 && code != 0x7fff) {
396  for (i = 2; i >= 0; i--) {
397  to[i] = 0x60 + (code & 0x1f);
398  code >>= 5;
399  }
400  return 1;
401  }
402  /* old fashion apple lang code */
403  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
404  return 0;
405  if (!mov_mdhd_language_map[code][0])
406  return 0;
407  memcpy(to, mov_mdhd_language_map[code], 4);
408  return 1;
409 }
410 
411 int ff_mp4_read_descr_len(AVIOContext *pb)
412 {
413  int len = 0;
414  int count = 4;
415  while (count--) {
416  int c = avio_r8(pb);
417  len = (len << 7) | (c & 0x7f);
418  if (!(c & 0x80))
419  break;
420  }
421  return len;
422 }
423 
424 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
425 {
426  int len;
427  *tag = avio_r8(pb);
428  len = ff_mp4_read_descr_len(pb);
429  av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
430  return len;
431 }
432 
433 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
434 {
435  int flags;
436  if (es_id) *es_id = avio_rb16(pb);
437  else avio_rb16(pb);
438  flags = avio_r8(pb);
439  if (flags & 0x80) //streamDependenceFlag
440  avio_rb16(pb);
441  if (flags & 0x40) { //URL_Flag
442  int len = avio_r8(pb);
443  avio_skip(pb, len);
444  }
445  if (flags & 0x20) //OCRstreamFlag
446  avio_rb16(pb);
447 }
448 
449 static const AVCodecTag mp4_audio_types[] = {
450  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
451  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
452  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
453  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
454  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
455  { AV_CODEC_ID_NONE, AOT_NULL },
456 };
457 
458 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
459 {
460  enum AVCodecID codec_id;
461  unsigned v;
462  int len, tag;
463  int ret;
464  int object_type_id = avio_r8(pb);
465  avio_r8(pb); /* stream type */
466  avio_rb24(pb); /* buffer size db */
467 
468  if(avcodec_is_open(st->codec)) {
469  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
470  return -1;
471  }
472 
473  v = avio_rb32(pb);
474  if (v < INT32_MAX)
475  st->codec->rc_max_rate = v;
476 
477  st->codec->bit_rate = avio_rb32(pb); /* avg bitrate */
478 
479  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
480  if (codec_id)
481  st->codec->codec_id= codec_id;
482  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
483  len = ff_mp4_read_descr(fc, pb, &tag);
484  if (tag == MP4DecSpecificDescrTag) {
485  av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len);
486  if (!len || (uint64_t)len > (1<<30))
487  return -1;
488  av_free(st->codec->extradata);
489  if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
490  return ret;
491  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
492  MPEG4AudioConfig cfg = {0};
493  avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
494  st->codec->extradata_size * 8, 1);
495  st->codec->channels = cfg.channels;
496  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
497  st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
498  else if (cfg.ext_sample_rate)
499  st->codec->sample_rate = cfg.ext_sample_rate;
500  else
501  st->codec->sample_rate = cfg.sample_rate;
502  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
503  "sample rate %d ext sample rate %d\n", st->codec->channels,
504  cfg.object_type, cfg.ext_object_type,
505  cfg.sample_rate, cfg.ext_sample_rate);
506  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
507  cfg.object_type)))
508  st->codec->codec_id = AV_CODEC_ID_AAC;
509  }
510  }
511  return 0;
512 }
513 
514 typedef struct MovChannelLayout {
515  int64_t channel_layout;
516  uint32_t layout_tag;
517 } MovChannelLayout;
518 
519 static const MovChannelLayout mov_channel_layout[] = {
520  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
521  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
522  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
523  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
524  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
525  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
526  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
527  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
528  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
529  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
530  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
531  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
532  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
533  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
534  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
535  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
536  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
537  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
538  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
539  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
540  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
541  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
542  { 0, 0},
543 };
544 #if 0
545 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
546 {
547  AVCodecContext *codec= st->codec;
548  uint32_t layout_tag;
549  AVIOContext *pb = s->pb;
550  const MovChannelLayout *layouts = mov_channel_layout;
551 
552  if (size < 12)
553  return AVERROR_INVALIDDATA;
554 
555  layout_tag = avio_rb32(pb);
556  size -= 4;
557  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
558  // Channel descriptions not implemented
559  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
560  avio_skip(pb, size);
561  return 0;
562  }
563  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
564  codec->channel_layout = avio_rb32(pb);
565  size -= 4;
566  avio_skip(pb, size);
567  return 0;
568  }
569  while (layouts->channel_layout) {
570  if (layout_tag == layouts->layout_tag) {
571  codec->channel_layout = layouts->channel_layout;
572  break;
573  }
574  layouts++;
575  }
576  if (!codec->channel_layout)
577  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
578  avio_skip(pb, size);
579 
580  return 0;
581 }
582 #endif
583 
584 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
585 {
586  const MovChannelLayout *layouts;
587  uint32_t layout_tag = 0;
588 
589  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
590  if (channel_layout == layouts->channel_layout) {
591  layout_tag = layouts->layout_tag;
592  break;
593  }
594 
595  if (layout_tag) {
596  avio_wb32(pb, layout_tag); // mChannelLayoutTag
597  avio_wb32(pb, 0); // mChannelBitmap
598  } else {
599  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
600  avio_wb32(pb, channel_layout);
601  }
602  avio_wb32(pb, 0); // mNumberChannelDescriptions
603 }
604 
605 const struct AVCodecTag *avformat_get_mov_video_tags(void)
606 {
607  return ff_codec_movvideo_tags;
608 }
609 
610 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
611 {
612  return ff_codec_movaudio_tags;
613 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:86
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:403
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:335
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:362
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:449
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:102
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:404
AV_CODEC_ID_DNXHD
Definition: avcodec.h:206
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:326
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:433
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2821
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:168
AVCodecContext::bit_rate
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1597
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:519
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:3000
AV_CODEC_ID_R210
Definition: avcodec.h:240
AV_CODEC_ID_VC1
Definition: avcodec.h:177
AV_CODEC_ID_AVRP
Definition: avcodec.h:303
AV_CODEC_ID_MP1
Definition: avcodec.h:464
AV_CODEC_ID_QTRLE
Definition: avcodec.h:162
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MPEG4
Definition: avcodec.h:119
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:282
AV_CODEC_ID_V410
Definition: avcodec.h:264
AV_CODEC_ID_PRORES
Definition: avcodec.h:255
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:433
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:683
AV_CODEC_ID_H264
Definition: avcodec.h:134
AV_CODEC_ID_EIA_608
Definition: avcodec.h:517
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:516
AV_CODEC_ID_MACE6
Definition: avcodec.h:429
AV_CODEC_ID_ALAC
Definition: avcodec.h:435
AV_CODEC_ID_EXR
Definition: avcodec.h:287
AV_CODEC_ID_SPEEX
Definition: avcodec.h:457
AV_CODEC_ID_Y41P
Definition: avcodec.h:302
AVFormatContext
Format I/O context.
Definition: avformat.h:1314
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:506
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:340
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:610
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:202
AV_CODEC_ID_DIRAC
Definition: avcodec.h:223
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:698
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:421
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1647
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:358
tag
uint32_t tag
Definition: movenc.c:1348
AV_CODEC_ID_SMV
Definition: avcodec.h:494
AV_CODEC_ID_DXV
Definition: avcodec.h:298
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:114
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:438
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:605
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:131
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:455
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:105
AV_CODEC_ID_SVQ3
Definition: avcodec.h:130
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:115
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:329
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:458
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:101
AV_CODEC_ID_MACE3
Definition: avcodec.h:428
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:411
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:242
AV_CODEC_ID_VP3
Definition: avcodec.h:136
avcodec_is_open
int avcodec_is_open(AVCodecContext *s)
Definition: utils.c:3458
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:515
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:423
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:420
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:329
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2338
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:536
AVStream::codec
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:896
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:691
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:511
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:150
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:344
AV_CODEC_ID_SMC
Definition: avcodec.h:156
AV_CODEC_ID_H263
Definition: avcodec.h:111
AV_CODEC_ID_V408
Definition: avcodec.h:309
AV_CODEC_ID_R10K
Definition: avcodec.h:252
AV_CODEC_ID_QDMC
Definition: avcodec.h:472
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:323
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:425
AV_CODEC_ID_SVQ1
Definition: avcodec.h:129
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:106
AV_CODEC_ID_QCELP
Definition: avcodec.h:443
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:149
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:389
AVStream
Stream structure.
Definition: avformat.h:877
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:327
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:550
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:275
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:1549
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:90
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:2287
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1356
AVCodecContext
main external API structure.
Definition: avcodec.h:1532
AV_CODEC_ID_AC3
Definition: avcodec.h:422
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:328
AV_CODEC_ID_EAC3
Definition: avcodec.h:462
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:342
AVCodecContext::extradata_size
int extradata_size
Definition: avcodec.h:1648
AV_CODEC_ID_TARGA
Definition: avcodec.h:200
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:271
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:334
AV_CODEC_ID_MP2
Definition: avcodec.h:419
AV_CODEC_ID_EVRC
Definition: avcodec.h:493
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:345
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:281
AV_CODEC_ID_DPX
Definition: avcodec.h:235
AV_CODEC_ID_V210
Definition: avcodec.h:234
AV_CODEC_ID_HAP
Definition: avcodec.h:296
flags
static int flags
Definition: cpu.c:47
AV_CODEC_ID_CAVS
Definition: avcodec.h:194
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:195
AV_CODEC_ID_TIFF
Definition: avcodec.h:203
AV_CODEC_ID_AVRN
Definition: avcodec.h:311
AV_CODEC_ID_QDRAW
Definition: avcodec.h:165
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:343
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:584
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:424
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:322
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:290
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:155
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:93
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:123
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:437
len
int len
Definition: vorbis_enc_data.h:452
AVCodecContext::channels
int channels
number of audio channels
Definition: avcodec.h:2288
AV_CODEC_ID_YUV4
Definition: avcodec.h:310
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:467
AV_CODEC_ID_FLIC
Definition: avcodec.h:157
AV_CODEC_ID_WMAV2
Definition: avcodec.h:427
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:332
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:330
AV_CODEC_ID_GIF
Definition: avcodec.h:204
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:120
AV_CODEC_ID_AIC
Definition: avcodec.h:276
AV_CODEC_ID_ILBC
Definition: avcodec.h:481
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:342
AV_CODEC_ID_MSRLE
Definition: avcodec.h:152
AV_CODEC_ID_VORBIS
Definition: avcodec.h:424
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:331
AVCodecContext::rc_max_rate
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2523
AV_CODEC_ID_SGI
Definition: avcodec.h:208
Generated on Mon Feb 15 2016 15:20:46 for FFmpeg by   doxygen 1.8.6