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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_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
64  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
65  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
66  { AV_CODEC_ID_QCELP , 0xE1 },
67  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
68  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
69  { AV_CODEC_ID_NONE , 0 },
70 };
71 
72 const AVCodecTag ff_codec_movvideo_tags[] = {
73 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
74 
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
79 
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
97 
98  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
99  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
100  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
101  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
102  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
103  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
104  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
105  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
106  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
107  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
108  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
109  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
110  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
111  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
112 
113  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
114  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
115  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
116 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
117  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
118  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
119 
120  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
121  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
122  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
123  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
124 
125  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
126  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
127  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
128  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
129 
130  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
131  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
132 
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
148 
149  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
150  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
151  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
152  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
153  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
154  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
155  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
156  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
157  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
158 
159  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
160 
161  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
162  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
163 
164  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
167  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
180  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
182  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
183 
184  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
185 
186  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
187  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
188  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
189  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
236 
237  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
238 
239  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
240  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
241  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
242  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
243  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
244 
245  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
246  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
247 
248  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
249  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
250  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
251  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
252  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
253  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
254  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
255  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
256  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
257  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
258 
259  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
261  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
262  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
264  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
265  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
266 
267  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
268 
269  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
270  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
271  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
272 
273  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
274  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
275 
276  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
277  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
278  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
279  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
282  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
283 
284  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
285  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
286  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
287  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
288  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
289  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
290  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
291  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
292 
293  { AV_CODEC_ID_NONE, 0 },
294 };
295 
296 const AVCodecTag ff_codec_movaudio_tags[] = {
297  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
298  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
299  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
300  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
301  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
302  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
303  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
304  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
305  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
306  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
307  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
308  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
309  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
310  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
311  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
312  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
313  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
314  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
315  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
316  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
317  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
318  { AV_CODEC_ID_MP3, 0x6D730055 },
319  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
320  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
321  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
322  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
323  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
324  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
325  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
326  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
327  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
328  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
329  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
330  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
331  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
332  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
333  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
334  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
335  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
336  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
337  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
338  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
339  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
340  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
341  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
342  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
343  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
344  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
345  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
346  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
347  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
348  { AV_CODEC_ID_NONE, 0 },
349 };
350 
351 const AVCodecTag ff_codec_movsubtitle_tags[] = {
352  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
353  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
354  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
355  { AV_CODEC_ID_NONE, 0 },
356 };
357 
358 /* map numeric codes from mdhd atom to ISO 639 */
359 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
360 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
361 /* deprecated by putting the code as 3*5 bits ASCII */
362 static const char mov_mdhd_language_map[][4] = {
363  /* 0-9 */
364  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
365  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
366  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
367  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
368  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
369  /*?*/
370  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
371  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
372  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
373  /* roman? arabic? */
374  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
375  /*==rundi?*/
376  "", "run", "", "mlg", "epo", "", "", "", "", "",
377  /* 100 */
378  "", "", "", "", "", "", "", "", "", "",
379  "", "", "", "", "", "", "", "", "", "",
380  "", "", "", "", "", "", "", "", "wel", "baq",
381  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
382 };
383 
384 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
385 {
386  int i, code = 0;
387 
388  /* old way, only for QT? */
389  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
390  if (!strcmp(lang, mov_mdhd_language_map[i]))
391  return i;
392  }
393  /* XXX:can we do that in mov too? */
394  if (!mp4)
395  return -1;
396  /* handle undefined as such */
397  if (lang[0] == '\0')
398  lang = "und";
399  /* 5 bits ASCII */
400  for (i = 0; i < 3; i++) {
401  uint8_t c = lang[i];
402  c -= 0x60;
403  if (c > 0x1f)
404  return -1;
405  code <<= 5;
406  code |= c;
407  }
408  return code;
409 }
410 
411 int ff_mov_lang_to_iso639(unsigned code, char to[4])
412 {
413  int i;
414  memset(to, 0, 4);
415  /* is it the mangled iso code? */
416  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
417  if (code >= 0x400 && code != 0x7fff) {
418  for (i = 2; i >= 0; i--) {
419  to[i] = 0x60 + (code & 0x1f);
420  code >>= 5;
421  }
422  return 1;
423  }
424  /* old fashion apple lang code */
425  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
426  return 0;
427  if (!mov_mdhd_language_map[code][0])
428  return 0;
429  memcpy(to, mov_mdhd_language_map[code], 4);
430  return 1;
431 }
432 
433 int ff_mp4_read_descr_len(AVIOContext *pb)
434 {
435  int len = 0;
436  int count = 4;
437  while (count--) {
438  int c = avio_r8(pb);
439  len = (len << 7) | (c & 0x7f);
440  if (!(c & 0x80))
441  break;
442  }
443  return len;
444 }
445 
446 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
447 {
448  int len;
449  *tag = avio_r8(pb);
450  len = ff_mp4_read_descr_len(pb);
451  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
452  return len;
453 }
454 
455 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
456 {
457  int flags;
458  if (es_id) *es_id = avio_rb16(pb);
459  else avio_rb16(pb);
460  flags = avio_r8(pb);
461  if (flags & 0x80) //streamDependenceFlag
462  avio_rb16(pb);
463  if (flags & 0x40) { //URL_Flag
464  int len = avio_r8(pb);
465  avio_skip(pb, len);
466  }
467  if (flags & 0x20) //OCRstreamFlag
468  avio_rb16(pb);
469 }
470 
471 static const AVCodecTag mp4_audio_types[] = {
472  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
473  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
474  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
475  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
476  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
477  { AV_CODEC_ID_NONE, AOT_NULL },
478 };
479 
480 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
481 {
482  enum AVCodecID codec_id;
483  unsigned v;
484  int len, tag;
485  int ret;
486  int object_type_id = avio_r8(pb);
487  avio_r8(pb); /* stream type */
488  avio_rb24(pb); /* buffer size db */
489 
490  v = avio_rb32(pb);
491  // TODO: fix this
492  //if (v < INT32_MAX)
493  // st->codecpar->rc_max_rate = v;
494 
495  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
496 
497  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
498  if (codec_id)
499  st->codecpar->codec_id = codec_id;
500  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
501  len = ff_mp4_read_descr(fc, pb, &tag);
502  if (tag == MP4DecSpecificDescrTag) {
503  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
504  if (!len || (uint64_t)len > (1<<30))
505  return -1;
506  av_free(st->codecpar->extradata);
507  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
508  return ret;
509  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
510  MPEG4AudioConfig cfg = {0};
511  avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
512  st->codecpar->extradata_size * 8, 1);
513  st->codecpar->channels = cfg.channels;
514  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
515  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
516  else if (cfg.ext_sample_rate)
517  st->codecpar->sample_rate = cfg.ext_sample_rate;
518  else
519  st->codecpar->sample_rate = cfg.sample_rate;
520  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
521  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
522  cfg.object_type, cfg.ext_object_type,
523  cfg.sample_rate, cfg.ext_sample_rate);
524  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
525  cfg.object_type)))
526  st->codecpar->codec_id = AV_CODEC_ID_AAC;
527  }
528  }
529  return 0;
530 }
531 
532 typedef struct MovChannelLayout {
533  int64_t channel_layout;
534  uint32_t layout_tag;
535 } MovChannelLayout;
536 
537 static const MovChannelLayout mov_channel_layout[] = {
538  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
539  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
540  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
541  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
542  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
543  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
544  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
545  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
546  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
547  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
548  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
549  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
550  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
551  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
552  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
553  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
554  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
555  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
556  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
557  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
558  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
559  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
560  { 0, 0},
561 };
562 #if 0
563 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
564 {
565  AVCodecContext *codec= st->codec;
566  uint32_t layout_tag;
567  AVIOContext *pb = s->pb;
568  const MovChannelLayout *layouts = mov_channel_layout;
569 
570  if (size < 12)
571  return AVERROR_INVALIDDATA;
572 
573  layout_tag = avio_rb32(pb);
574  size -= 4;
575  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
576  // Channel descriptions not implemented
577  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
578  avio_skip(pb, size);
579  return 0;
580  }
581  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
582  codec->channel_layout = avio_rb32(pb);
583  size -= 4;
584  avio_skip(pb, size);
585  return 0;
586  }
587  while (layouts->channel_layout) {
588  if (layout_tag == layouts->layout_tag) {
589  codec->channel_layout = layouts->channel_layout;
590  break;
591  }
592  layouts++;
593  }
594  if (!codec->channel_layout)
595  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
596  avio_skip(pb, size);
597 
598  return 0;
599 }
600 #endif
601 
602 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
603 {
604  const MovChannelLayout *layouts;
605  uint32_t layout_tag = 0;
606 
607  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
608  if (channel_layout == layouts->channel_layout) {
609  layout_tag = layouts->layout_tag;
610  break;
611  }
612 
613  if (layout_tag) {
614  avio_wb32(pb, layout_tag); // mChannelLayoutTag
615  avio_wb32(pb, 0); // mChannelBitmap
616  } else {
617  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
618  avio_wb32(pb, channel_layout);
619  }
620  avio_wb32(pb, 0); // mNumberChannelDescriptions
621 }
622 
623 const struct AVCodecTag *avformat_get_mov_video_tags(void)
624 {
625  return ff_codec_movvideo_tags;
626 }
627 
628 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
629 {
630  return ff_codec_movaudio_tags;
631 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:86
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:500
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:430
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:384
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:471
AV_CODEC_ID_VP9
Definition: avcodec.h:365
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:147
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
codec_id
enum AVCodecID codec_id
Definition: ffmpeg_vaapi.c:149
AV_CODEC_ID_NONE
Definition: avcodec.h:192
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:501
AV_CODEC_ID_DNXHD
Definition: avcodec.h:296
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:421
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:455
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3002
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:258
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:537
AV_CODEC_ID_R210
Definition: avcodec.h:330
AV_CODEC_ID_VC1
Definition: avcodec.h:267
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3979
AV_CODEC_ID_AVRP
Definition: avcodec.h:393
AV_CODEC_ID_MP1
Definition: avcodec.h:561
AV_CODEC_ID_QTRLE
Definition: avcodec.h:252
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:411
AV_CODEC_ID_MPEG4
Definition: avcodec.h:209
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:304
AV_CODEC_ID_V410
Definition: avcodec.h:354
AV_CODEC_ID_PRORES
Definition: avcodec.h:345
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:530
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:742
AV_CODEC_ID_H264
Definition: avcodec.h:224
AV_CODEC_ID_EIA_608
Definition: avcodec.h:615
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:534
AV_CODEC_ID_MACE6
Definition: avcodec.h:526
AV_CODEC_ID_ALAC
Definition: avcodec.h:532
AV_CODEC_ID_EXR
Definition: avcodec.h:377
AV_CODEC_ID_SPEEX
Definition: avcodec.h:554
AV_CODEC_ID_Y41P
Definition: avcodec.h:392
AVFormatContext
Format I/O context.
Definition: avformat.h:1330
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:604
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:362
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:628
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:397
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:72
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:313
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:757
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:518
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:453
tag
uint32_t tag
Definition: movenc.c:1382
AV_CODEC_ID_SMV
Definition: avcodec.h:591
AV_CODEC_ID_DXV
Definition: avcodec.h:388
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:204
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:535
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:4008
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:623
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:221
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:552
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:195
AV_CODEC_ID_SVQ3
Definition: avcodec.h:220
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:205
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:424
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:480
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:191
AV_CODEC_ID_MACE3
Definition: avcodec.h:525
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:433
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:412
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:252
AV_CODEC_ID_VP3
Definition: avcodec.h:226
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:533
AV_CODEC_ID_DTS
Definition: avcodec.h:520
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:517
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:351
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2488
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3997
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:595
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:395
fc
static const uint16_t fc[]
Definition: dcaenc.h:41
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:750
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:609
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:240
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:439
AV_CODEC_ID_SMC
Definition: avcodec.h:246
AV_CODEC_ID_H263
Definition: avcodec.h:201
AV_CODEC_ID_V408
Definition: avcodec.h:399
AV_CODEC_ID_R10K
Definition: avcodec.h:342
AV_CODEC_ID_QDMC
Definition: avcodec.h:569
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:418
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:522
AV_CODEC_ID_SVQ1
Definition: avcodec.h:219
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:196
AV_CODEC_ID_QCELP
Definition: avcodec.h:540
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:239
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:411
AVStream
Stream structure.
Definition: avformat.h:881
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:422
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:648
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:296
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:90
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1372
AVCodecContext
main external API structure.
Definition: avcodec.h:1675
AV_CODEC_ID_AC3
Definition: avcodec.h:519
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:423
AV_CODEC_ID_EAC3
Definition: avcodec.h:559
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:437
AV_CODEC_ID_TARGA
Definition: avcodec.h:290
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:361
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:429
AV_CODEC_ID_MP2
Definition: avcodec.h:516
AV_CODEC_ID_EVRC
Definition: avcodec.h:590
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:440
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:371
AV_CODEC_ID_DPX
Definition: avcodec.h:325
AV_CODEC_ID_V210
Definition: avcodec.h:324
AV_CODEC_ID_HAP
Definition: avcodec.h:386
flags
static int flags
Definition: cpu.c:47
AV_CODEC_ID_CAVS
Definition: avcodec.h:284
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:285
AV_CODEC_ID_TIFF
Definition: avcodec.h:293
AV_CODEC_ID_AVRN
Definition: avcodec.h:401
AV_CODEC_ID_QDRAW
Definition: avcodec.h:255
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:438
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:4089
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:602
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:446
AV_CODEC_ID_V308
Definition: avcodec.h:398
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:3186
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:417
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:380
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:245
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:93
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:213
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:534
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:400
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:564
AV_CODEC_ID_FLIC
Definition: avcodec.h:247
AV_CODEC_ID_WMAV2
Definition: avcodec.h:524
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3993
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:4085
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:425
AVStream::codecpar
AVCodecParameters * codecpar
Definition: avformat.h:1233
AV_CODEC_ID_GIF
Definition: avcodec.h:294
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:210
AV_CODEC_ID_AIC
Definition: avcodec.h:366
AV_CODEC_ID_ILBC
Definition: avcodec.h:578
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:242
AV_CODEC_ID_VORBIS
Definition: avcodec.h:521
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:426
AV_CODEC_ID_SGI
Definition: avcodec.h:298
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