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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 }, /* 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_VP9 , 0xC0 }, /* nonstandard, update when there is a standard value */
63  { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
64  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
65  { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
66  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
67  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
68  { AV_CODEC_ID_QCELP , 0xE1 },
69  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
70  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
71  { AV_CODEC_ID_NONE , 0 },
72 };
73 
74 const AVCodecTag ff_codec_movvideo_tags[] = {
75 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
76 
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
81 
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
98  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
99 
100  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
101  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
103  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
104  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
105  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
106  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
107  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
108  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
109  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
110  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
111  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
112  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
113  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
114 
115  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
116  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
117  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
118 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
119  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
120  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
121 
122  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
123  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
124  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
125  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
126 
127  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
128  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
129  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
130  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
131 
132  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
133  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
134 
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
149  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
150 
151  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
152  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
153  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
154  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
155  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
156  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
157  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
158  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
159  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
160 
161  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
162 
163  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
164  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
165 
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
168  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
182  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
184  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
185  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
186  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
187 
188  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
189 
190  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
191  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
192  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
193  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
240 
241  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
242 
243  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
244  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
245  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
246  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
247  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
248 
249  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
250  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
251 
252  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
253  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
254  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
255  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
256  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
257  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
258  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
259  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
260  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
261  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
262 
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
265  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
266  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
267  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
268  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
269  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
270 
271  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
272 
273  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
274  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
275  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
276 
277  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
278  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
279 
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
283  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
284  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
285  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
286  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
287  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
288  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
291 
292  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
293  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
294  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
295  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
296  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
297  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
298  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
299  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
300 
301  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
302 
303  { AV_CODEC_ID_NONE, 0 },
304 };
305 
306 const AVCodecTag ff_codec_movaudio_tags[] = {
307  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
308  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
309  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
310  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
311  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
312  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
313  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
314  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
315  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
316  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
317  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
318  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
319  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
320  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
321  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
322  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
323  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
324  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
325  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
326  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
327  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
328  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
329  { AV_CODEC_ID_MP3, 0x6D730055 },
330  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
331  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
332  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
333  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
334  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
335  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
336  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
337  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
338  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
339  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
340  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
341  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
342  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
343  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
344  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
345  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
346  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
347  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
348  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
349  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
350  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
351  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
352  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
353  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
354  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
355  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
356  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
357  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
358  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
359  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
360  { AV_CODEC_ID_NONE, 0 },
361 };
362 
363 const AVCodecTag ff_codec_movsubtitle_tags[] = {
364  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
365  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
366  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
367  { AV_CODEC_ID_NONE, 0 },
368 };
369 
370 /* map numeric codes from mdhd atom to ISO 639 */
371 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
372 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
373 /* deprecated by putting the code as 3*5 bits ASCII */
374 static const char mov_mdhd_language_map[][4] = {
375  /* 0-9 */
376  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
377  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
378  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
379  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
380  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
381  /*?*/
382  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
383  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
384  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
385  /* roman? arabic? */
386  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
387  /*==rundi?*/
388  "", "run", "", "mlg", "epo", "", "", "", "", "",
389  /* 100 */
390  "", "", "", "", "", "", "", "", "", "",
391  "", "", "", "", "", "", "", "", "", "",
392  "", "", "", "", "", "", "", "", "wel", "baq",
393  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
394 };
395 
396 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
397 {
398  int i, code = 0;
399 
400  /* old way, only for QT? */
401  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
402  if (!strcmp(lang, mov_mdhd_language_map[i]))
403  return i;
404  }
405  /* XXX:can we do that in mov too? */
406  if (!mp4)
407  return -1;
408  /* handle undefined as such */
409  if (lang[0] == '\0')
410  lang = "und";
411  /* 5 bits ASCII */
412  for (i = 0; i < 3; i++) {
413  uint8_t c = lang[i];
414  c -= 0x60;
415  if (c > 0x1f)
416  return -1;
417  code <<= 5;
418  code |= c;
419  }
420  return code;
421 }
422 
423 int ff_mov_lang_to_iso639(unsigned code, char to[4])
424 {
425  int i;
426  memset(to, 0, 4);
427  /* is it the mangled iso code? */
428  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
429  if (code >= 0x400 && code != 0x7fff) {
430  for (i = 2; i >= 0; i--) {
431  to[i] = 0x60 + (code & 0x1f);
432  code >>= 5;
433  }
434  return 1;
435  }
436  /* old fashion apple lang code */
437  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
438  return 0;
439  if (!mov_mdhd_language_map[code][0])
440  return 0;
441  memcpy(to, mov_mdhd_language_map[code], 4);
442  return 1;
443 }
444 
445 int ff_mp4_read_descr_len(AVIOContext *pb)
446 {
447  int len = 0;
448  int count = 4;
449  while (count--) {
450  int c = avio_r8(pb);
451  len = (len << 7) | (c & 0x7f);
452  if (!(c & 0x80))
453  break;
454  }
455  return len;
456 }
457 
458 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
459 {
460  int len;
461  *tag = avio_r8(pb);
462  len = ff_mp4_read_descr_len(pb);
463  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
464  return len;
465 }
466 
467 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
468 {
469  int flags;
470  if (es_id) *es_id = avio_rb16(pb);
471  else avio_rb16(pb);
472  flags = avio_r8(pb);
473  if (flags & 0x80) //streamDependenceFlag
474  avio_rb16(pb);
475  if (flags & 0x40) { //URL_Flag
476  int len = avio_r8(pb);
477  avio_skip(pb, len);
478  }
479  if (flags & 0x20) //OCRstreamFlag
480  avio_rb16(pb);
481 }
482 
483 static const AVCodecTag mp4_audio_types[] = {
484  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
485  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
486  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
487  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
488  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
489  { AV_CODEC_ID_NONE, AOT_NULL },
490 };
491 
492 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
493 {
494  enum AVCodecID codec_id;
495  unsigned v;
496  int len, tag;
497  int ret;
498  int object_type_id = avio_r8(pb);
499  avio_r8(pb); /* stream type */
500  avio_rb24(pb); /* buffer size db */
501 
502  v = avio_rb32(pb);
503 
504  // TODO: fix this with codecpar
505 #if FF_API_LAVF_AVCTX
506 FF_DISABLE_DEPRECATION_WARNINGS
507  if (v < INT32_MAX)
508  st->codec->rc_max_rate = v;
509 FF_ENABLE_DEPRECATION_WARNINGS
510 #endif
511 
512  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
513 
514  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
515  if (codec_id)
516  st->codecpar->codec_id = codec_id;
517  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
518  len = ff_mp4_read_descr(fc, pb, &tag);
519  if (tag == MP4DecSpecificDescrTag) {
520  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
521  if (!len || (uint64_t)len > (1<<30))
522  return -1;
523  av_free(st->codecpar->extradata);
524  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
525  return ret;
526  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
527  MPEG4AudioConfig cfg = {0};
528  ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
529  st->codecpar->extradata_size * 8, 1);
530  if (ret < 0)
531  return ret;
532  st->codecpar->channels = cfg.channels;
533  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
534  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
535  else if (cfg.ext_sample_rate)
536  st->codecpar->sample_rate = cfg.ext_sample_rate;
537  else
538  st->codecpar->sample_rate = cfg.sample_rate;
539  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
540  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
541  cfg.object_type, cfg.ext_object_type,
542  cfg.sample_rate, cfg.ext_sample_rate);
543  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
544  cfg.object_type)))
545  st->codecpar->codec_id = AV_CODEC_ID_AAC;
546  }
547  }
548  return 0;
549 }
550 
551 typedef struct MovChannelLayout {
552  int64_t channel_layout;
553  uint32_t layout_tag;
554 } MovChannelLayout;
555 
556 static const MovChannelLayout mov_channel_layout[] = {
557  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
558  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
559  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
560  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
561  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
562  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
563  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
564  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
565  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
566  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
567  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
568  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
569  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
570  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
571  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
572  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
573  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
574  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
575  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
576  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
577  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
578  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
579  { 0, 0},
580 };
581 #if 0
582 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
583 {
584  AVCodecContext *codec= st->codec;
585  uint32_t layout_tag;
586  AVIOContext *pb = s->pb;
587  const MovChannelLayout *layouts = mov_channel_layout;
588 
589  if (size < 12)
590  return AVERROR_INVALIDDATA;
591 
592  layout_tag = avio_rb32(pb);
593  size -= 4;
594  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
595  // Channel descriptions not implemented
596  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
597  avio_skip(pb, size);
598  return 0;
599  }
600  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
601  codec->channel_layout = avio_rb32(pb);
602  size -= 4;
603  avio_skip(pb, size);
604  return 0;
605  }
606  while (layouts->channel_layout) {
607  if (layout_tag == layouts->layout_tag) {
608  codec->channel_layout = layouts->channel_layout;
609  break;
610  }
611  layouts++;
612  }
613  if (!codec->channel_layout)
614  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
615  avio_skip(pb, size);
616 
617  return 0;
618 }
619 #endif
620 
621 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
622 {
623  const MovChannelLayout *layouts;
624  uint32_t layout_tag = 0;
625 
626  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
627  if (channel_layout == layouts->channel_layout) {
628  layout_tag = layouts->layout_tag;
629  break;
630  }
631 
632  if (layout_tag) {
633  avio_wb32(pb, layout_tag); // mChannelLayoutTag
634  avio_wb32(pb, 0); // mChannelBitmap
635  } else {
636  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
637  avio_wb32(pb, channel_layout);
638  }
639  avio_wb32(pb, 0); // mNumberChannelDescriptions
640 }
641 
642 const struct AVCodecTag *avformat_get_mov_video_tags(void)
643 {
644  return ff_codec_movvideo_tags;
645 }
646 
647 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
648 {
649  return ff_codec_movaudio_tags;
650 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:96
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:533
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:461
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:396
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:483
AV_CODEC_ID_VP9
Definition: avcodec.h:388
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:155
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: avcodec.h:215
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:534
AV_CODEC_ID_DNXHD
Definition: avcodec.h:319
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:452
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:467
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3050
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:99
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
AV_CODEC_ID_PNG
Definition: avcodec.h:281
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:556
AV_CODEC_ID_R210
Definition: avcodec.h:353
AV_CODEC_ID_VC1
Definition: avcodec.h:290
AV_CODEC_ID_PIXLET
Definition: avcodec.h:438
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4066
AV_CODEC_ID_AVRP
Definition: avcodec.h:416
AV_CODEC_ID_FLAC
Definition: avcodec.h:561
AV_CODEC_ID_MP1
Definition: avcodec.h:594
AV_CODEC_ID_QTRLE
Definition: avcodec.h:275
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:434
AV_CODEC_ID_MPEG4
Definition: avcodec.h:232
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:316
AV_CODEC_ID_V410
Definition: avcodec.h:377
AV_CODEC_ID_PRORES
Definition: avcodec.h:368
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:563
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:754
AV_CODEC_ID_H264
Definition: avcodec.h:247
AV_CODEC_ID_EIA_608
Definition: avcodec.h:650
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:553
AV_CODEC_ID_MACE6
Definition: avcodec.h:559
AV_CODEC_ID_ALAC
Definition: avcodec.h:565
AV_CODEC_ID_EXR
Definition: avcodec.h:400
AV_CODEC_ID_SPEEX
Definition: avcodec.h:587
AV_CODEC_ID_Y41P
Definition: avcodec.h:415
AVFormatContext
Format I/O context.
Definition: avformat.h:1349
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:639
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:374
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:647
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:420
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:74
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:336
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:769
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:551
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:486
flags
static int flags
Definition: log.c:57
tag
uint32_t tag
Definition: movenc.c:1413
AV_CODEC_ID_SMV
Definition: avcodec.h:624
AV_CODEC_ID_DXV
Definition: avcodec.h:411
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:227
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:568
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:4095
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:642
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:244
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:585
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:218
AV_CODEC_ID_SVQ3
Definition: avcodec.h:243
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:228
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:455
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:492
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
AV_CODEC_ID_MACE3
Definition: avcodec.h:558
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:445
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:435
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:275
AV_CODEC_ID_VP3
Definition: avcodec.h:249
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:552
AV_CODEC_ID_DTS
Definition: avcodec.h:553
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:550
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:363
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2545
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4084
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:607
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:418
fc
static const uint16_t fc[]
Definition: dcaenc.h:41
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:762
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:644
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:263
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:470
AV_CODEC_ID_SMC
Definition: avcodec.h:269
AV_CODEC_ID_H263
Definition: avcodec.h:224
AV_CODEC_ID_V408
Definition: avcodec.h:422
AV_CODEC_ID_R10K
Definition: avcodec.h:365
AV_CODEC_ID_QDMC
Definition: avcodec.h:602
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:235
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:449
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:555
AV_CODEC_ID_SVQ1
Definition: avcodec.h:242
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
AV_CODEC_ID_QCELP
Definition: avcodec.h:573
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:262
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:423
AVStream
Stream structure.
Definition: avformat.h:889
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:453
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:684
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:306
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:100
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1391
AVCodecContext
main external API structure.
Definition: avcodec.h:1732
AV_CODEC_ID_AC3
Definition: avcodec.h:552
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:454
AV_CODEC_ID_EAC3
Definition: avcodec.h:592
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:468
AV_CODEC_ID_TARGA
Definition: avcodec.h:313
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:384
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:460
AV_CODEC_ID_MP2
Definition: avcodec.h:549
AV_CODEC_ID_EVRC
Definition: avcodec.h:623
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:471
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:394
AV_CODEC_ID_DPX
Definition: avcodec.h:348
AV_CODEC_ID_V210
Definition: avcodec.h:347
AV_CODEC_ID_HAP
Definition: avcodec.h:409
AV_CODEC_ID_CAVS
Definition: avcodec.h:307
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:308
AV_CODEC_ID_TIFF
Definition: avcodec.h:316
AV_CODEC_ID_AVRN
Definition: avcodec.h:424
AV_CODEC_ID_QDRAW
Definition: avcodec.h:278
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:469
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:4176
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:621
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:458
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
AV_CODEC_ID_V308
Definition: avcodec.h:421
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:3234
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:448
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:403
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:268
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:103
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:236
av_free
#define av_free(p)
Definition: tableprint_vlc.h:34
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:101
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: avcodec.h:567
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:423
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:597
AV_CODEC_ID_FLIC
Definition: avcodec.h:270
AV_CODEC_ID_WMAV2
Definition: avcodec.h:557
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:4080
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:4172
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:366
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:456
AVStream::codecpar
AVCodecParameters * codecpar
Definition: avformat.h:1252
AV_CODEC_ID_GIF
Definition: avcodec.h:317
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:233
AV_CODEC_ID_AIC
Definition: avcodec.h:389
AV_CODEC_ID_ILBC
Definition: avcodec.h:611
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:265
AV_CODEC_ID_VORBIS
Definition: avcodec.h:554
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:457
AV_CODEC_ID_SGI
Definition: avcodec.h:321
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