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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', 'x', 'b', 'g') }, /* BOXX */
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
96 
97  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
98  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
99  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
100  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
101  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
102  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
103  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
104  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
105  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
106  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
107  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
108  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
109  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
110  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
111 
112  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
113  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
114  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
115 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
116  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
117  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
118 
119  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
120  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
121  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
122  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
123 
124  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
125  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
126  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
127  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
128 
129  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
130  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
131 
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
133  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
147 
148  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
149  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
150  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
151  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
152  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
153  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
154  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
155  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
156  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
157 
158  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
159 
160  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
161  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
162 
163  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
165  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
166  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
169  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
172  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
179  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
181  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
182 
183  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
184 
185  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
186  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
187  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
188  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
235 
236  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
237 
238  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
239  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
240  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
241  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
242  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
243 
244  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
245  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
246 
247  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
248  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
249  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
250  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
251  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
252  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
253  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
254  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
255  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
256  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
257 
258  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
259  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
260  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
261  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
262  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
263  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
264  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
265 
266  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
267 
268  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
269  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
270  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
271 
272  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
273  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
274 
275  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
276  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
277  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
278  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
279  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
280  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
281  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
282 
283  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
284  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
285  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
286  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
287  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
288  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
289  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
290  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
291 
292  { AV_CODEC_ID_NONE, 0 },
293 };
294 
295 const AVCodecTag ff_codec_movaudio_tags[] = {
296  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
297  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
298  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
299  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
300  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
301  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
302  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
303  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
304  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
305  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
306  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
307  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
308  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
309  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
310  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
311  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
312  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
313  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
314  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
315  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
316  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
317  { AV_CODEC_ID_MP3, 0x6D730055 },
318  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
319  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
320  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
321  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
322  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
323  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
324  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
325  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
326  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
327  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
328  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
329  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
330  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
331  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
332  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
333  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
334  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
335  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
336  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
337  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
338  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
339  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
340  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
341  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
342  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
343  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
344  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
345  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
346  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
347  { AV_CODEC_ID_NONE, 0 },
348 };
349 
350 const AVCodecTag ff_codec_movsubtitle_tags[] = {
351  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
352  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
353  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
354  { AV_CODEC_ID_NONE, 0 },
355 };
356 
357 /* map numeric codes from mdhd atom to ISO 639 */
358 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
359 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
360 /* deprecated by putting the code as 3*5 bits ASCII */
361 static const char mov_mdhd_language_map[][4] = {
362  /* 0-9 */
363  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
364  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
365  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
366  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
367  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
368  /*?*/
369  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
370  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
371  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
372  /* roman? arabic? */
373  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
374  /*==rundi?*/
375  "", "run", "", "mlg", "epo", "", "", "", "", "",
376  /* 100 */
377  "", "", "", "", "", "", "", "", "", "",
378  "", "", "", "", "", "", "", "", "", "",
379  "", "", "", "", "", "", "", "", "wel", "baq",
380  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
381 };
382 
383 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
384 {
385  int i, code = 0;
386 
387  /* old way, only for QT? */
388  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
389  if (!strcmp(lang, mov_mdhd_language_map[i]))
390  return i;
391  }
392  /* XXX:can we do that in mov too? */
393  if (!mp4)
394  return -1;
395  /* handle undefined as such */
396  if (lang[0] == '\0')
397  lang = "und";
398  /* 5 bits ASCII */
399  for (i = 0; i < 3; i++) {
400  uint8_t c = lang[i];
401  c -= 0x60;
402  if (c > 0x1f)
403  return -1;
404  code <<= 5;
405  code |= c;
406  }
407  return code;
408 }
409 
410 int ff_mov_lang_to_iso639(unsigned code, char to[4])
411 {
412  int i;
413  memset(to, 0, 4);
414  /* is it the mangled iso code? */
415  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
416  if (code >= 0x400 && code != 0x7fff) {
417  for (i = 2; i >= 0; i--) {
418  to[i] = 0x60 + (code & 0x1f);
419  code >>= 5;
420  }
421  return 1;
422  }
423  /* old fashion apple lang code */
424  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
425  return 0;
426  if (!mov_mdhd_language_map[code][0])
427  return 0;
428  memcpy(to, mov_mdhd_language_map[code], 4);
429  return 1;
430 }
431 
432 int ff_mp4_read_descr_len(AVIOContext *pb)
433 {
434  int len = 0;
435  int count = 4;
436  while (count--) {
437  int c = avio_r8(pb);
438  len = (len << 7) | (c & 0x7f);
439  if (!(c & 0x80))
440  break;
441  }
442  return len;
443 }
444 
445 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
446 {
447  int len;
448  *tag = avio_r8(pb);
449  len = ff_mp4_read_descr_len(pb);
450  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
451  return len;
452 }
453 
454 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
455 {
456  int flags;
457  if (es_id) *es_id = avio_rb16(pb);
458  else avio_rb16(pb);
459  flags = avio_r8(pb);
460  if (flags & 0x80) //streamDependenceFlag
461  avio_rb16(pb);
462  if (flags & 0x40) { //URL_Flag
463  int len = avio_r8(pb);
464  avio_skip(pb, len);
465  }
466  if (flags & 0x20) //OCRstreamFlag
467  avio_rb16(pb);
468 }
469 
470 static const AVCodecTag mp4_audio_types[] = {
471  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
472  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
473  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
474  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
475  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
476  { AV_CODEC_ID_NONE, AOT_NULL },
477 };
478 
479 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
480 {
481  enum AVCodecID codec_id;
482  unsigned v;
483  int len, tag;
484  int ret;
485  int object_type_id = avio_r8(pb);
486  avio_r8(pb); /* stream type */
487  avio_rb24(pb); /* buffer size db */
488 
489  v = avio_rb32(pb);
490  // TODO: fix this
491  //if (v < INT32_MAX)
492  // st->codecpar->rc_max_rate = v;
493 
494  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
495 
496  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
497  if (codec_id)
498  st->codecpar->codec_id = codec_id;
499  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
500  len = ff_mp4_read_descr(fc, pb, &tag);
501  if (tag == MP4DecSpecificDescrTag) {
502  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
503  if (!len || (uint64_t)len > (1<<30))
504  return -1;
505  av_free(st->codecpar->extradata);
506  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
507  return ret;
508  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
509  MPEG4AudioConfig cfg = {0};
510  avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
511  st->codecpar->extradata_size * 8, 1);
512  st->codecpar->channels = cfg.channels;
513  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
514  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
515  else if (cfg.ext_sample_rate)
516  st->codecpar->sample_rate = cfg.ext_sample_rate;
517  else
518  st->codecpar->sample_rate = cfg.sample_rate;
519  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
520  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
521  cfg.object_type, cfg.ext_object_type,
522  cfg.sample_rate, cfg.ext_sample_rate);
523  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
524  cfg.object_type)))
525  st->codecpar->codec_id = AV_CODEC_ID_AAC;
526  }
527  }
528  return 0;
529 }
530 
531 typedef struct MovChannelLayout {
532  int64_t channel_layout;
533  uint32_t layout_tag;
534 } MovChannelLayout;
535 
536 static const MovChannelLayout mov_channel_layout[] = {
537  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
538  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
539  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
540  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
541  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
542  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
543  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
544  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
545  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
546  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
547  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
548  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
549  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
550  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
551  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
552  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
553  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
554  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
555  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
556  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
557  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
558  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
559  { 0, 0},
560 };
561 #if 0
562 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
563 {
564  AVCodecContext *codec= st->codec;
565  uint32_t layout_tag;
566  AVIOContext *pb = s->pb;
567  const MovChannelLayout *layouts = mov_channel_layout;
568 
569  if (size < 12)
570  return AVERROR_INVALIDDATA;
571 
572  layout_tag = avio_rb32(pb);
573  size -= 4;
574  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
575  // Channel descriptions not implemented
576  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
577  avio_skip(pb, size);
578  return 0;
579  }
580  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
581  codec->channel_layout = avio_rb32(pb);
582  size -= 4;
583  avio_skip(pb, size);
584  return 0;
585  }
586  while (layouts->channel_layout) {
587  if (layout_tag == layouts->layout_tag) {
588  codec->channel_layout = layouts->channel_layout;
589  break;
590  }
591  layouts++;
592  }
593  if (!codec->channel_layout)
594  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
595  avio_skip(pb, size);
596 
597  return 0;
598 }
599 #endif
600 
601 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
602 {
603  const MovChannelLayout *layouts;
604  uint32_t layout_tag = 0;
605 
606  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
607  if (channel_layout == layouts->channel_layout) {
608  layout_tag = layouts->layout_tag;
609  break;
610  }
611 
612  if (layout_tag) {
613  avio_wb32(pb, layout_tag); // mChannelLayoutTag
614  avio_wb32(pb, 0); // mChannelBitmap
615  } else {
616  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
617  avio_wb32(pb, channel_layout);
618  }
619  avio_wb32(pb, 0); // mNumberChannelDescriptions
620 }
621 
622 const struct AVCodecTag *avformat_get_mov_video_tags(void)
623 {
624  return ff_codec_movvideo_tags;
625 }
626 
627 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
628 {
629  return ff_codec_movaudio_tags;
630 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:86
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:498
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:428
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:383
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:470
AV_CODEC_ID_VP9
Definition: avcodec.h:363
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
s
const char * s
Definition: avisynth_c.h:631
AVIOContext
Bytestream IO Context.
Definition: avio.h: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:190
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:499
AV_CODEC_ID_DNXHD
Definition: avcodec.h:294
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:419
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:454
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:2946
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:256
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:536
AV_CODEC_ID_R210
Definition: avcodec.h:328
AV_CODEC_ID_VC1
Definition: avcodec.h:265
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3922
AV_CODEC_ID_AVRP
Definition: avcodec.h:391
AV_CODEC_ID_MP1
Definition: avcodec.h:559
AV_CODEC_ID_QTRLE
Definition: avcodec.h:250
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:409
AV_CODEC_ID_MPEG4
Definition: avcodec.h:207
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:352
AV_CODEC_ID_PRORES
Definition: avcodec.h:343
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:528
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:736
AV_CODEC_ID_H264
Definition: avcodec.h:222
AV_CODEC_ID_EIA_608
Definition: avcodec.h:613
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:533
AV_CODEC_ID_MACE6
Definition: avcodec.h:524
AV_CODEC_ID_ALAC
Definition: avcodec.h:530
AV_CODEC_ID_EXR
Definition: avcodec.h:375
AV_CODEC_ID_SPEEX
Definition: avcodec.h:552
AV_CODEC_ID_Y41P
Definition: avcodec.h:390
AVFormatContext
Format I/O context.
Definition: avformat.h:1325
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:602
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:361
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:627
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:395
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:311
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:751
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:516
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:451
tag
uint32_t tag
Definition: movenc.c:1367
AV_CODEC_ID_SMV
Definition: avcodec.h:589
AV_CODEC_ID_DXV
Definition: avcodec.h:386
size
ptrdiff_t size
Definition: opengl_enc.c:101
AV_CODEC_ID_MJPEG
Definition: avcodec.h:202
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:533
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:3951
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:622
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:219
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:550
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:193
AV_CODEC_ID_SVQ3
Definition: avcodec.h:218
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:203
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:422
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:479
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:189
AV_CODEC_ID_MACE3
Definition: avcodec.h:523
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:432
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:410
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:245
AV_CODEC_ID_VP3
Definition: avcodec.h:224
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:532
AV_CODEC_ID_DTS
Definition: avcodec.h:518
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:515
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:350
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2461
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3940
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:589
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:393
fc
static const uint16_t fc[]
Definition: dcaenc.h:41
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:744
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:607
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:238
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:437
AV_CODEC_ID_SMC
Definition: avcodec.h:244
AV_CODEC_ID_H263
Definition: avcodec.h:199
AV_CODEC_ID_V408
Definition: avcodec.h:397
AV_CODEC_ID_R10K
Definition: avcodec.h:340
AV_CODEC_ID_QDMC
Definition: avcodec.h:567
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:416
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:520
AV_CODEC_ID_SVQ1
Definition: avcodec.h:217
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:194
AV_CODEC_ID_QCELP
Definition: avcodec.h:538
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:237
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:410
AVStream
Stream structure.
Definition: avformat.h:876
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:420
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:646
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:295
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:90
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1367
AVCodecContext
main external API structure.
Definition: avcodec.h:1649
AV_CODEC_ID_AC3
Definition: avcodec.h:517
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:421
AV_CODEC_ID_EAC3
Definition: avcodec.h:557
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:435
AV_CODEC_ID_TARGA
Definition: avcodec.h:288
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:359
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:427
AV_CODEC_ID_MP2
Definition: avcodec.h:514
AV_CODEC_ID_EVRC
Definition: avcodec.h:588
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:438
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:369
AV_CODEC_ID_DPX
Definition: avcodec.h:323
AV_CODEC_ID_V210
Definition: avcodec.h:322
AV_CODEC_ID_HAP
Definition: avcodec.h:384
flags
static int flags
Definition: cpu.c:47
AV_CODEC_ID_CAVS
Definition: avcodec.h:282
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:283
AV_CODEC_ID_TIFF
Definition: avcodec.h:291
AV_CODEC_ID_AVRN
Definition: avcodec.h:399
AV_CODEC_ID_QDRAW
Definition: avcodec.h:253
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:436
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:4032
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:601
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:445
AV_CODEC_ID_V308
Definition: avcodec.h:396
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:3128
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:415
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:378
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:243
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:93
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:211
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:532
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:398
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:562
AV_CODEC_ID_FLIC
Definition: avcodec.h:245
AV_CODEC_ID_WMAV2
Definition: avcodec.h:522
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3936
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:4028
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:423
AVStream::codecpar
AVCodecParameters * codecpar
Definition: avformat.h:1006
AV_CODEC_ID_GIF
Definition: avcodec.h:292
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:208
AV_CODEC_ID_AIC
Definition: avcodec.h:364
AV_CODEC_ID_ILBC
Definition: avcodec.h:576
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:240
AV_CODEC_ID_VORBIS
Definition: avcodec.h:519
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:424
AV_CODEC_ID_SGI
Definition: avcodec.h:296
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