FFmpeg: libavformat/isom.c Source File

FFmpeg
isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
28 #include "libavcodec/mpegaudiodata.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34  const AVCodecTag ff_mp4_obj_type[] = {
35  { AV_CODEC_ID_MOV_TEXT , 0x08 },
36  { AV_CODEC_ID_MPEG4 , 0x20 },
37  { AV_CODEC_ID_H264 , 0x21 },
38  { AV_CODEC_ID_HEVC , 0x23 },
39  { AV_CODEC_ID_AAC , 0x40 },
40  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG-2 Main */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG-2 Simple */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG-2 SNR */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG-2 Spatial */
45  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG-2 High */
46  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG-2 422 */
47  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG-2 AAC Main */
48  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG-2 AAC Low */
49  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG-2 AAC SSR */
50  { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51  { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
52  { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
53  { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
54  { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55  { AV_CODEC_ID_PNG , 0x6D },
56  { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57  { AV_CODEC_ID_VC1 , 0xA3 },
58  { AV_CODEC_ID_DIRAC , 0xA4 },
59  { AV_CODEC_ID_AC3 , 0xA5 },
60  { AV_CODEC_ID_EAC3 , 0xA6 },
61  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
62  { AV_CODEC_ID_OPUS , 0xAD }, /* mp4ra.org */
63  { AV_CODEC_ID_VP9 , 0xB1 }, /* mp4ra.org */
64  { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
65  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
66  { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
67  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
68  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
69  { AV_CODEC_ID_QCELP , 0xE1 },
70  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
71  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
72  { AV_CODEC_ID_NONE , 0 },
73 };
74 
75  const AVCodecTag ff_codec_movvideo_tags[] = {
76 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
77 
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
82 
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
98  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
99  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
100 
101  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
103  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
104  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
105  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
106  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
107  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
108  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
109  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
110  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
111  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
112  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
113  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
114  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
115 
116  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
117  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
118  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
119 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
120  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
121  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
122 
123  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
124  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
125  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
126  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
127 
128  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
129  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
130  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
131  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
132 
133  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
134  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
135 
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
149  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
150  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
151 
152  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
153  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
154  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
155  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
156  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
157  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
158  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
159  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
160  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
161 
162  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
163 
164  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
166 
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
183  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
185  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
186  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
187  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
188 
189  { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
190  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
191 
192  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
194  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
195  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
242 
243  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
244 
245  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
246  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
247  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
248  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
249  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
250 
251  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
252  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
253 
254  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
255  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
256  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
257  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
258  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
259  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
260  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
261  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
262  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
263  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
264 
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
269  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
270  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
271  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
272 
273  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
274 
275  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
276  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
277  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
278  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
279  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
280 
281  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
282  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
283 
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
297 
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
300  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
301  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
302  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
303  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
304  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
306 
307  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
308 
309  { AV_CODEC_ID_NONE, 0 },
310 };
311 
312  const AVCodecTag ff_codec_movaudio_tags[] = {
313  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
314  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
315  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
316  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
317  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
318  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
319  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
320  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
321  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
322  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
323  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
324  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
325  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
326  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
327  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
328  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
329  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
330  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
331  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
332  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
333  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
334  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
335  { AV_CODEC_ID_MP3, 0x6D730055 },
336  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
337  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
338  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
339  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
340  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
341  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
342  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
343  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
344  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
345  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
346  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
347  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
348  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
349  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
350  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
351  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
352  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
353  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
354  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
355  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
356  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
357  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
358  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
359  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
360  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
361  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
362  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
363  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
364  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
365  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
366  { AV_CODEC_ID_NONE, 0 },
367 };
368 
369  const AVCodecTag ff_codec_movsubtitle_tags[] = {
370  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
371  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
372  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
373  { AV_CODEC_ID_NONE, 0 },
374 };
375 
376 /* map numeric codes from mdhd atom to ISO 639 */
377 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
378 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
379 /* deprecated by putting the code as 3*5 bits ASCII */
380  static const char mov_mdhd_language_map[][4] = {
381  /* 0-9 */
382  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
383  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
384  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
385  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
386  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
387  /*?*/
388  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
389  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
390  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
391  /* roman? arabic? */
392  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
393  /*==rundi?*/
394  "", "run", "", "mlg", "epo", "", "", "", "", "",
395  /* 100 */
396  "", "", "", "", "", "", "", "", "", "",
397  "", "", "", "", "", "", "", "", "", "",
398  "", "", "", "", "", "", "", "", "wel", "baq",
399  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
400 };
401 
402  int ff_mov_iso639_to_lang(const char lang[4], int mp4)
403 {
404  int i, code = 0;
405 
406  /* old way, only for QT? */
407  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
408  if (!strcmp(lang, mov_mdhd_language_map[i]))
409  return i;
410  }
411  /* XXX:can we do that in mov too? */
412  if (!mp4)
413  return -1;
414  /* handle undefined as such */
415  if (lang[0] == '0円')
416  lang = "und";
417  /* 5 bits ASCII */
418  for (i = 0; i < 3; i++) {
419  uint8_t c = lang[i];
420  c -= 0x60;
421  if (c > 0x1f)
422  return -1;
423  code <<= 5;
424  code |= c;
425  }
426  return code;
427 }
428 
429  int ff_mov_lang_to_iso639(unsigned code, char to[4])
430 {
431  int i;
432  memset(to, 0, 4);
433  /* is it the mangled iso code? */
434  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
435  if (code >= 0x400 && code != 0x7fff) {
436  for (i = 2; i >= 0; i--) {
437  to[i] = 0x60 + (code & 0x1f);
438  code >>= 5;
439  }
440  return 1;
441  }
442  /* old fashion apple lang code */
443  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
444  return 0;
445  if (!mov_mdhd_language_map[code][0])
446  return 0;
447  memcpy(to, mov_mdhd_language_map[code], 4);
448  return 1;
449 }
450 
451  int ff_mp4_read_descr_len(AVIOContext *pb)
452 {
453  int len = 0;
454  int count = 4;
455  while (count--) {
456  int c = avio_r8(pb);
457  len = (len << 7) | (c & 0x7f);
458  if (!(c & 0x80))
459  break;
460  }
461  return len;
462 }
463 
464  int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
465 {
466  int len;
467  *tag = avio_r8(pb);
468  len = ff_mp4_read_descr_len(pb);
469  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
470  return len;
471 }
472 
473  void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
474 {
475  int flags;
476  if (es_id) *es_id = avio_rb16(pb);
477  else avio_rb16(pb);
478  flags = avio_r8(pb);
479  if (flags & 0x80) //streamDependenceFlag
480  avio_rb16(pb);
481  if (flags & 0x40) { //URL_Flag
482  int len = avio_r8(pb);
483  avio_skip(pb, len);
484  }
485  if (flags & 0x20) //OCRstreamFlag
486  avio_rb16(pb);
487 }
488 
489  static const AVCodecTag mp4_audio_types[] = {
490  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
491  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
492  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
493  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
494  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
495  { AV_CODEC_ID_NONE, AOT_NULL },
496 };
497 
498  int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
499 {
500  enum AVCodecID codec_id;
501  unsigned v;
502  int len, tag;
503  int ret;
504  int object_type_id = avio_r8(pb);
505  avio_r8(pb); /* stream type */
506  avio_rb24(pb); /* buffer size db */
507 
508  v = avio_rb32(pb);
509 
510  // TODO: fix this with codecpar
511 #if FF_API_LAVF_AVCTX
512 FF_DISABLE_DEPRECATION_WARNINGS
513  if (v < INT32_MAX)
514  st->codec->rc_max_rate = v;
515 FF_ENABLE_DEPRECATION_WARNINGS
516 #endif
517 
518  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
519 
520  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
521  if (codec_id)
522  st->codecpar->codec_id = codec_id;
523  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
524  len = ff_mp4_read_descr(fc, pb, &tag);
525  if (tag == MP4DecSpecificDescrTag) {
526  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
527  if (!len || (uint64_t)len > (1<<30))
528  return AVERROR_INVALIDDATA;
529  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
530  return ret;
531  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
532  MPEG4AudioConfig cfg = {0};
533  ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
534  st->codecpar->extradata_size * 8, 1);
535  if (ret < 0)
536  return ret;
537  st->codecpar->channels = cfg.channels;
538  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
539  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
540  else if (cfg.ext_sample_rate)
541  st->codecpar->sample_rate = cfg.ext_sample_rate;
542  else
543  st->codecpar->sample_rate = cfg.sample_rate;
544  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
545  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
546  cfg.object_type, cfg.ext_object_type,
547  cfg.sample_rate, cfg.ext_sample_rate);
548  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
549  cfg.object_type)))
550  st->codecpar->codec_id = AV_CODEC_ID_AAC;
551  }
552  }
553  return 0;
554 }
555 
556  typedef struct MovChannelLayout {
557   int64_t channel_layout;
558   uint32_t layout_tag;
559 } MovChannelLayout;
560 
561  static const MovChannelLayout mov_channel_layout[] = {
562  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
563  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
564  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
565  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
566  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
567  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
568  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
569  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
570  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
571  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
572  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
573  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
574  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
575  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
576  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
577  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
578  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
579  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
580  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
581  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
582  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
583  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
584  { 0, 0},
585 };
586 #if 0
587 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
588 {
589  AVCodecContext *codec= st->codec;
590  uint32_t layout_tag;
591  AVIOContext *pb = s->pb;
592  const MovChannelLayout *layouts = mov_channel_layout;
593 
594  if (size < 12)
595  return AVERROR_INVALIDDATA;
596 
597  layout_tag = avio_rb32(pb);
598  size -= 4;
599  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
600  // Channel descriptions not implemented
601  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
602  avio_skip(pb, size);
603  return 0;
604  }
605  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
606  codec->channel_layout = avio_rb32(pb);
607  size -= 4;
608  avio_skip(pb, size);
609  return 0;
610  }
611  while (layouts->channel_layout) {
612  if (layout_tag == layouts->layout_tag) {
613  codec->channel_layout = layouts->channel_layout;
614  break;
615  }
616  layouts++;
617  }
618  if (!codec->channel_layout)
619  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
620  avio_skip(pb, size);
621 
622  return 0;
623 }
624 #endif
625 
626  void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
627 {
628  const MovChannelLayout *layouts;
629  uint32_t layout_tag = 0;
630 
631  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
632  if (channel_layout == layouts->channel_layout) {
633  layout_tag = layouts->layout_tag;
634  break;
635  }
636 
637  if (layout_tag) {
638  avio_wb32(pb, layout_tag); // mChannelLayoutTag
639  avio_wb32(pb, 0); // mChannelBitmap
640  } else {
641  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
642  avio_wb32(pb, channel_layout);
643  }
644  avio_wb32(pb, 0); // mNumberChannelDescriptions
645 }
646 
647  const struct AVCodecTag *avformat_get_mov_video_tags(void)
648 {
649  return ff_codec_movvideo_tags;
650 }
651 
652  const struct AVCodecTag *avformat_get_mov_audio_tags(void)
653 {
654  return ff_codec_movaudio_tags;
655 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:100
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:534
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:465
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:402
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:489
AV_CODEC_ID_VP9
Definition: avcodec.h:386
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
s
const char * s
Definition: avisynth_c.h:768
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: avcodec.h:216
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:535
AV_CODEC_ID_DNXHD
Definition: avcodec.h:317
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:456
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:473
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3117
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:103
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
AV_CODEC_ID_PNG
Definition: avcodec.h:279
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:561
AV_CODEC_ID_R210
Definition: avcodec.h:351
AV_CODEC_ID_VC1
Definition: avcodec.h:288
AV_CODEC_ID_PIXLET
Definition: avcodec.h:436
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3884
AV_CODEC_ID_AVRP
Definition: avcodec.h:414
AV_CODEC_ID_FLAC
Definition: avcodec.h:563
AV_CODEC_ID_MP1
Definition: avcodec.h:593
AV_CODEC_ID_QTRLE
Definition: avcodec.h:273
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:432
AV_CODEC_ID_MPEG4
Definition: avcodec.h:230
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:331
AV_CODEC_ID_V410
Definition: avcodec.h:375
AV_CODEC_ID_PRORES
Definition: avcodec.h:366
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:565
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:786
AV_CODEC_ID_H264
Definition: avcodec.h:245
AV_CODEC_ID_EIA_608
Definition: avcodec.h:654
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:558
AV_CODEC_ID_MACE6
Definition: avcodec.h:561
AV_CODEC_ID_ALAC
Definition: avcodec.h:567
AV_CODEC_ID_EXR
Definition: avcodec.h:398
AV_CODEC_ID_SPEEX
Definition: avcodec.h:586
AV_CODEC_ID_Y41P
Definition: avcodec.h:413
AVFormatContext
Format I/O context.
Definition: avformat.h:1342
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:643
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:380
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:652
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:418
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
AV_LOG_TRACE
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AV_CODEC_ID_DIRAC
Definition: avcodec.h:334
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:801
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:553
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:490
flags
static int flags
Definition: log.c:55
tag
uint32_t tag
Definition: movenc.c:1455
AV_CODEC_ID_SMV
Definition: avcodec.h:624
AV_CODEC_ID_DXV
Definition: avcodec.h:409
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:225
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:570
to
const char * to
Definition: webvttdec.c:34
AVCodecParameters::bit_rate
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:3913
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:647
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:242
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:584
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:219
AV_CODEC_ID_SVQ3
Definition: avcodec.h:241
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:226
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:459
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:498
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
AV_CODEC_ID_MACE3
Definition: avcodec.h:560
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:451
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:433
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:289
AV_CODEC_ID_VP3
Definition: avcodec.h:247
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:557
AV_CODEC_ID_DTS
Definition: avcodec.h:555
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:552
AV_CH_LAYOUT_QUAD
#define AV_CH_LAYOUT_QUAD
Definition: channel_layout.h:94
count
GLsizei count
Definition: opengl_enc.c:109
ff_mp4_obj_type
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
ff_codec_movsubtitle_tags
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:369
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2224
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3902
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:639
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:416
fc
static const uint16_t fc[]
Definition: dcaenc.h:43
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:794
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:648
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:261
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:474
AV_CODEC_ID_SMC
Definition: avcodec.h:267
AV_CODEC_ID_H263
Definition: avcodec.h:222
AV_CODEC_ID_V408
Definition: avcodec.h:420
AV_CODEC_ID_R10K
Definition: avcodec.h:363
AV_CODEC_ID_QDMC
Definition: avcodec.h:601
AV_CODEC_ID_OPUS
Definition: avcodec.h:611
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:362
AV_CODEC_ID_VP8
Definition: avcodec.h:358
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:453
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:557
AV_CODEC_ID_SVQ1
Definition: avcodec.h:240
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
AV_CODEC_ID_QCELP
Definition: avcodec.h:575
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:260
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:429
AVStream
Stream structure.
Definition: avformat.h:873
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:457
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:688
MPEG4AudioConfig::sampling_index
int sampling_index
Definition: mpeg4audio.h:35
ff_codec_movaudio_tags
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:312
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:104
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1384
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
AV_CODEC_ID_AC3
Definition: avcodec.h:554
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:458
AV_CODEC_ID_EAC3
Definition: avcodec.h:591
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:472
AV_CODEC_ID_TARGA
Definition: avcodec.h:311
MPEG4AudioConfig::ext_object_type
int ext_object_type
Definition: mpeg4audio.h:39
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:382
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:464
AV_CODEC_ID_MP2
Definition: avcodec.h:551
AV_CODEC_ID_EVRC
Definition: avcodec.h:623
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:475
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:392
AV_CODEC_ID_DPX
Definition: avcodec.h:346
AV_CODEC_ID_V210
Definition: avcodec.h:345
AV_CODEC_ID_HAP
Definition: avcodec.h:407
AV_CODEC_ID_CAVS
Definition: avcodec.h:305
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:306
AV_CODEC_ID_TIFF
Definition: avcodec.h:314
AV_CODEC_ID_AVRN
Definition: avcodec.h:422
AV_CODEC_ID_QDRAW
Definition: avcodec.h:276
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:473
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:3994
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:626
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:464
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AV_CODEC_ID_V308
Definition: avcodec.h:419
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
ff_get_extradata
int ff_get_extradata(AVFormatContext *s, AVCodecParameters *par, AVIOContext *pb, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0 and f...
Definition: utils.c:3298
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:452
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:401
avpriv_mpeg4audio_get_config
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:155
AV_CODEC_ID_8BPS
Definition: avcodec.h:266
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:107
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:234
MPEG4AudioConfig::ext_sample_rate
int ext_sample_rate
Definition: mpeg4audio.h:41
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:105
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: avcodec.h:569
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:421
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:596
AV_CODEC_ID_FLIC
Definition: avcodec.h:268
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3898
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:3990
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:377
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:460
AVStream::codecpar
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1020
AV_CODEC_ID_GIF
Definition: avcodec.h:315
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:231
AV_CODEC_ID_AIC
Definition: avcodec.h:387
AV_CODEC_ID_ILBC
Definition: avcodec.h:610
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:366
AV_CODEC_ID_MSRLE
Definition: avcodec.h:263
AV_CODEC_ID_VORBIS
Definition: avcodec.h:556
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:461
AV_CODEC_ID_SGI
Definition: avcodec.h:319
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