FFmpeg
isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "avformat.h"
25 #include "internal.h"
26 #include "isom.h"
27 #include "libavcodec/mpeg4audio.h"
28 #include "libavcodec/mpegaudiodata.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34 const AVCodecTag ff_mp4_obj_type[] = {
35  { AV_CODEC_ID_MOV_TEXT , 0x08 },
36  { AV_CODEC_ID_MPEG4 , 0x20 },
37  { AV_CODEC_ID_H264 , 0x21 },
38  { AV_CODEC_ID_HEVC , 0x23 },
39  { AV_CODEC_ID_AAC , 0x40 },
40  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG-2 Main */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG-2 Simple */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG-2 SNR */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG-2 Spatial */
45  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG-2 High */
46  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG-2 422 */
47  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG-2 AAC Main */
48  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG-2 AAC Low */
49  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG-2 AAC SSR */
50  { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51  { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
52  { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
53  { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
54  { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55  { AV_CODEC_ID_PNG , 0x6D },
56  { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57  { AV_CODEC_ID_VC1 , 0xA3 },
58  { AV_CODEC_ID_DIRAC , 0xA4 },
59  { AV_CODEC_ID_AC3 , 0xA5 },
60  { AV_CODEC_ID_EAC3 , 0xA6 },
61  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
62  { AV_CODEC_ID_OPUS , 0xAD }, /* mp4ra.org */
63  { AV_CODEC_ID_VP9 , 0xB1 }, /* mp4ra.org */
64  { AV_CODEC_ID_FLAC , 0xC1 }, /* nonstandard, update when there is a standard value */
65  { AV_CODEC_ID_TSCC2 , 0xD0 }, /* nonstandard, camtasia uses it */
66  { AV_CODEC_ID_EVRC , 0xD1 }, /* nonstandard, pvAuthor uses it */
67  { AV_CODEC_ID_VORBIS , 0xDD }, /* nonstandard, gpac uses it */
68  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
69  { AV_CODEC_ID_QCELP , 0xE1 },
70  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
71  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
72  { AV_CODEC_ID_NONE , 0 },
73 };
74 
75 const AVCodecTag ff_codec_movvideo_tags[] = {
76 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
77 
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
82 
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
96  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
98  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
99  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
100 
101  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
102  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
103  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
104  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
105  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
106  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
107  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
108  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
109  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* uncompressed 8-bit 4:4:4 */
110  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* uncompressed 8-bit 4:4:4:4 */
111  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
112  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
113  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
114  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
115 
116  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
117  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
118  { AV_CODEC_ID_AVRN , MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
119 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
120  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
121  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
122 
123  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
124  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
125  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
126  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
127 
128  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
129  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
130  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
131  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
132 
133  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
134  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
135 
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
143  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
144  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
145  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
146  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
147  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
148  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
149  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
150  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
151 
152  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
153  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
154  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
155  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
156  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
157  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
158  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
159  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
160  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
161 
162  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
163 
164  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
166  { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
167  /* dvh1 is handled within mov.c */
168 
169  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
171  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
172  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
173  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
185  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
186  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
187  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
188  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
189  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
190  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */
191  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */
192 
193  { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
194  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
195  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
196 
197  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
198  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
199  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
200  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
242  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
243  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
244  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
245  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
246  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
247 
248  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
249 
250  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
251  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
252  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
253  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
254  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
255 
256  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
257  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
258 
259  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
260  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
261  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
262  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
263  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
264  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
265  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
266  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
267  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
268  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
269 
270  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
271  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
272  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
273  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
274  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
275  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
276  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
277 
278  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
279 
280  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
281  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
282  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
283  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
284  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
285 
286  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
287  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
288 
289  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
303 
304  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
312 
313  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
314 
315  { AV_CODEC_ID_NONE, 0 },
316 };
317 
318 const AVCodecTag ff_codec_movaudio_tags[] = {
319  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
320  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
321  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
322  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
323  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
324  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
325  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
326  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
327  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
328  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
329  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
330  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
331  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
332  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
333  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
334  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
335  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
336  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
337  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
338  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
339  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
340  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
341  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
342  { AV_CODEC_ID_MP3, 0x6D730055 },
343  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
344  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
345  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
346  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
347  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
348  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
349  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
350  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
351  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
352  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
353  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
354  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
355  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
356  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
357  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
358  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
359  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
360  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
361  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
362  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
363  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
364  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
365  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
366  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
367  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
368  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
369  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
370  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
371  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
372  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
373  { AV_CODEC_ID_NONE, 0 },
374 };
375 
376 const AVCodecTag ff_codec_movsubtitle_tags[] = {
377  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
378  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
379  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
380  { AV_CODEC_ID_NONE, 0 },
381 };
382 
383 const AVCodecTag ff_codec_movdata_tags[] = {
384  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
385  { AV_CODEC_ID_NONE, 0 },
386 };
387 
388 /* map numeric codes from mdhd atom to ISO 639 */
389 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
390 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
391 /* deprecated by putting the code as 3*5 bits ASCII */
392 static const char mov_mdhd_language_map[][4] = {
393  /* 0-9 */
394  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
395  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
396  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
397  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
398  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
399  /*?*/
400  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
401  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
402  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
403  /* roman? arabic? */
404  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
405  /*==rundi?*/
406  "", "run", "", "mlg", "epo", "", "", "", "", "",
407  /* 100 */
408  "", "", "", "", "", "", "", "", "", "",
409  "", "", "", "", "", "", "", "", "", "",
410  "", "", "", "", "", "", "", "", "wel", "baq",
411  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
412 };
413 
414 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
415 {
416  int i, code = 0;
417 
418  /* old way, only for QT? */
419  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
420  if (!strcmp(lang, mov_mdhd_language_map[i]))
421  return i;
422  }
423  /* XXX:can we do that in mov too? */
424  if (!mp4)
425  return -1;
426  /* handle undefined as such */
427  if (lang[0] == '\0')
428  lang = "und";
429  /* 5 bits ASCII */
430  for (i = 0; i < 3; i++) {
431  uint8_t c = lang[i];
432  c -= 0x60;
433  if (c > 0x1f)
434  return -1;
435  code <<= 5;
436  code |= c;
437  }
438  return code;
439 }
440 
441 int ff_mov_lang_to_iso639(unsigned code, char to[4])
442 {
443  int i;
444  memset(to, 0, 4);
445  /* is it the mangled iso code? */
446  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
447  if (code >= 0x400 && code != 0x7fff) {
448  for (i = 2; i >= 0; i--) {
449  to[i] = 0x60 + (code & 0x1f);
450  code >>= 5;
451  }
452  return 1;
453  }
454  /* old fashion apple lang code */
455  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
456  return 0;
457  if (!mov_mdhd_language_map[code][0])
458  return 0;
459  memcpy(to, mov_mdhd_language_map[code], 4);
460  return 1;
461 }
462 
463 int ff_mp4_read_descr_len(AVIOContext *pb)
464 {
465  int len = 0;
466  int count = 4;
467  while (count--) {
468  int c = avio_r8(pb);
469  len = (len << 7) | (c & 0x7f);
470  if (!(c & 0x80))
471  break;
472  }
473  return len;
474 }
475 
476 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
477 {
478  int len;
479  *tag = avio_r8(pb);
480  len = ff_mp4_read_descr_len(pb);
481  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
482  return len;
483 }
484 
485 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
486 {
487  int flags;
488  if (es_id) *es_id = avio_rb16(pb);
489  else avio_rb16(pb);
490  flags = avio_r8(pb);
491  if (flags & 0x80) //streamDependenceFlag
492  avio_rb16(pb);
493  if (flags & 0x40) { //URL_Flag
494  int len = avio_r8(pb);
495  avio_skip(pb, len);
496  }
497  if (flags & 0x20) //OCRstreamFlag
498  avio_rb16(pb);
499 }
500 
501 static const AVCodecTag mp4_audio_types[] = {
502  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
503  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
504  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
505  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
506  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
507  { AV_CODEC_ID_NONE, AOT_NULL },
508 };
509 
510 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
511 {
512  enum AVCodecID codec_id;
513  unsigned v;
514  int len, tag;
515  int ret;
516  int object_type_id = avio_r8(pb);
517  avio_r8(pb); /* stream type */
518  avio_rb24(pb); /* buffer size db */
519 
520  v = avio_rb32(pb);
521 
522  // TODO: fix this with codecpar
523 #if FF_API_LAVF_AVCTX
524 FF_DISABLE_DEPRECATION_WARNINGS
525  if (v < INT32_MAX)
526  st->codec->rc_max_rate = v;
527 FF_ENABLE_DEPRECATION_WARNINGS
528 #endif
529 
530  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
531 
532  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
533  if (codec_id)
534  st->codecpar->codec_id = codec_id;
535  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
536  len = ff_mp4_read_descr(fc, pb, &tag);
537  if (tag == MP4DecSpecificDescrTag) {
538  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
539  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
540  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
541  if (object_type_id == 0x69 || object_type_id == 0x6b)
542  return 0;
543  if (!len || (uint64_t)len > (1<<30))
544  return AVERROR_INVALIDDATA;
545  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
546  return ret;
547  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
548  MPEG4AudioConfig cfg = {0};
549  ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
550  st->codecpar->extradata_size * 8, 1);
551  if (ret < 0)
552  return ret;
553  st->codecpar->channels = cfg.channels;
554  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
555  st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
556  else if (cfg.ext_sample_rate)
557  st->codecpar->sample_rate = cfg.ext_sample_rate;
558  else
559  st->codecpar->sample_rate = cfg.sample_rate;
560  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
561  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
562  cfg.object_type, cfg.ext_object_type,
563  cfg.sample_rate, cfg.ext_sample_rate);
564  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
565  cfg.object_type)))
566  st->codecpar->codec_id = AV_CODEC_ID_AAC;
567  }
568  }
569  return 0;
570 }
571 
572 typedef struct MovChannelLayout {
573  int64_t channel_layout;
574  uint32_t layout_tag;
575 } MovChannelLayout;
576 
577 static const MovChannelLayout mov_channel_layout[] = {
578  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
579  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
580  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
581  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
582  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
583  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
584  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
585  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
586  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
587  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
588  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
589  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
590  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
591  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
592  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
593  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
594  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
595  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
596  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
597  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
598  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
599  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
600  { 0, 0},
601 };
602 #if 0
603 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
604 {
605  AVCodecContext *codec= st->codec;
606  uint32_t layout_tag;
607  AVIOContext *pb = s->pb;
608  const MovChannelLayout *layouts = mov_channel_layout;
609 
610  if (size < 12)
611  return AVERROR_INVALIDDATA;
612 
613  layout_tag = avio_rb32(pb);
614  size -= 4;
615  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
616  // Channel descriptions not implemented
617  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
618  avio_skip(pb, size);
619  return 0;
620  }
621  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
622  codec->channel_layout = avio_rb32(pb);
623  size -= 4;
624  avio_skip(pb, size);
625  return 0;
626  }
627  while (layouts->channel_layout) {
628  if (layout_tag == layouts->layout_tag) {
629  codec->channel_layout = layouts->channel_layout;
630  break;
631  }
632  layouts++;
633  }
634  if (!codec->channel_layout)
635  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
636  avio_skip(pb, size);
637 
638  return 0;
639 }
640 #endif
641 
642 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
643 {
644  const MovChannelLayout *layouts;
645  uint32_t layout_tag = 0;
646 
647  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
648  if (channel_layout == layouts->channel_layout) {
649  layout_tag = layouts->layout_tag;
650  break;
651  }
652 
653  if (layout_tag) {
654  avio_wb32(pb, layout_tag); // mChannelLayoutTag
655  avio_wb32(pb, 0); // mChannelBitmap
656  } else {
657  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
658  avio_wb32(pb, channel_layout);
659  }
660  avio_wb32(pb, 0); // mNumberChannelDescriptions
661 }
662 
663 const struct AVCodecTag *avformat_get_mov_video_tags(void)
664 {
665  return ff_codec_movvideo_tags;
666 }
667 
668 const struct AVCodecTag *avformat_get_mov_audio_tags(void)
669 {
670  return ff_codec_movaudio_tags;
671 }
AOT_PS
N Parametric Stereo.
Definition: mpeg4audio.h:100
AV_CODEC_ID_AMR_NB
Definition: avcodec.h:547
AV_CODEC_ID_PCM_S24BE
Definition: avcodec.h:476
ff_mov_iso639_to_lang
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:414
mp4_audio_types
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:501
AV_CODEC_ID_VP9
Definition: avcodec.h:386
AV_CH_LAYOUT_7POINT1
#define AV_CH_LAYOUT_7POINT1
Definition: channel_layout.h:107
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AV_CODEC_ID_NONE
Definition: avcodec.h:216
AV_CODEC_ID_AMR_WB
Definition: avcodec.h:548
AV_CODEC_ID_DNXHD
Definition: avcodec.h:317
AV_CODEC_ID_PCM_S8
Definition: avcodec.h:467
ff_mp4_parse_es_descr
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:485
AV_CODEC_ID_BIN_DATA
Definition: avcodec.h:698
ff_codec_get_id
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3125
AOT_L1
Y Layer 1.
Definition: mpeg4audio.h:103
ret
ret
Definition: filter_design.txt:187
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
AV_CODEC_ID_PNG
Definition: avcodec.h:279
AV_CH_LAYOUT_SURROUND
#define AV_CH_LAYOUT_SURROUND
Definition: channel_layout.h:89
mov_channel_layout
static const MovChannelLayout mov_channel_layout[]
Definition: isom.c:577
AV_CODEC_ID_R210
Definition: avcodec.h:351
AV_CODEC_ID_VC1
Definition: avcodec.h:288
AV_CODEC_ID_PIXLET
Definition: avcodec.h:437
codec_id
enum AVCodecID codec_id
Definition: qsv.c:72
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3957
AV_CODEC_ID_AVRP
Definition: avcodec.h:415
AV_CODEC_ID_FLAC
Definition: avcodec.h:576
AV_CODEC_ID_MP1
Definition: avcodec.h:606
AV_CODEC_ID_QTRLE
Definition: avcodec.h:273
AV_CH_LAYOUT_4POINT0
#define AV_CH_LAYOUT_4POINT0
Definition: channel_layout.h:91
AV_CODEC_ID_MAGICYUV
Definition: avcodec.h:433
AV_CODEC_ID_MPEG4
Definition: avcodec.h:230
avio_skip
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:331
AV_CODEC_ID_V410
Definition: avcodec.h:375
AV_CODEC_ID_PRORES
Definition: avcodec.h:366
AV_CODEC_ID_MP3ON4
Definition: avcodec.h:578
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:785
AV_CODEC_ID_H264
Definition: avcodec.h:245
AV_CODEC_ID_EIA_608
Definition: avcodec.h:669
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:574
AV_CODEC_ID_MACE6
Definition: avcodec.h:574
AV_CODEC_ID_ALAC
Definition: avcodec.h:580
AV_CODEC_ID_EXR
Definition: avcodec.h:398
AV_CODEC_ID_SPEEX
Definition: avcodec.h:599
AV_CODEC_ID_Y41P
Definition: avcodec.h:414
AVFormatContext
Format I/O context.
Definition: avformat.h:1358
AV_CODEC_ID_DVD_SUBTITLE
Definition: avcodec.h:658
mov_mdhd_language_map
static const char mov_mdhd_language_map[][4]
Definition: isom.c:392
avformat_get_mov_audio_tags
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:668
AV_CODEC_ID_TARGA_Y216
Definition: avcodec.h:419
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_codec_movvideo_tags
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
AV_LOG_TRACE
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AV_CODEC_ID_DIRAC
Definition: avcodec.h:334
avio_rb32
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:800
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
avpriv_mpa_freq_tab
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
AV_CODEC_ID_AAC
Definition: avcodec.h:566
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CODEC_ID_ADPCM_IMA_QT
Definition: avcodec.h:502
tag
uint32_t tag
Definition: movenc.c:1496
AV_CODEC_ID_SMV
Definition: avcodec.h:637
AV_CODEC_ID_DXV
Definition: avcodec.h:409
size
ptrdiff_t size
Definition: opengl_enc.c:100
AV_CODEC_ID_MJPEG
Definition: avcodec.h:225
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_CODEC_ID_QDM2
Definition: avcodec.h:583
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:3986
avformat_get_mov_video_tags
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:663
AV_CODEC_ID_DVVIDEO
Definition: avcodec.h:242
AV_CODEC_ID_NELLYMOSER
Definition: avcodec.h:597
AV_CH_LAYOUT_5POINT1
#define AV_CH_LAYOUT_5POINT1
Definition: channel_layout.h:96
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:219
fc
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:551
AV_CODEC_ID_SVQ3
Definition: avcodec.h:241
ff_codec_movdata_tags
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:383
AV_CODEC_ID_MJPEGB
Definition: avcodec.h:226
AV_CODEC_ID_PCM_ALAW
Definition: avcodec.h:470
ff_mp4_read_dec_config_descr
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:510
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
AV_CODEC_ID_MACE3
Definition: avcodec.h:573
ff_mp4_read_descr_len
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:463
AV_CODEC_ID_SHEERVIDEO
Definition: avcodec.h:434
MP4DecSpecificDescrTag
#define MP4DecSpecificDescrTag
Definition: isom.h:302
AV_CODEC_ID_VP3
Definition: avcodec.h:247
MovChannelLayout::channel_layout
int64_t channel_layout
Definition: isom.c:573
AV_CODEC_ID_DTS
Definition: avcodec.h:568
AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:565
AV_CH_LAYOUT_QUAD
#define AV_CH_LAYOUT_QUAD
Definition: channel_layout.h:94
count
GLsizei count
Definition: opengl_enc.c:108
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:376
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2276
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3975
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:638
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:417
avio_rb24
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:793
AV_CH_LAYOUT_STEREO_DOWNMIX
#define AV_CH_LAYOUT_STEREO_DOWNMIX
Definition: channel_layout.h:112
AV_CODEC_ID_MOV_TEXT
Definition: avcodec.h:663
AV_CODEC_ID_CINEPAK
Definition: avcodec.h:261
AV_CODEC_ID_PCM_F64BE
Definition: avcodec.h:485
AV_CODEC_ID_SMC
Definition: avcodec.h:267
AV_CODEC_ID_H263
Definition: avcodec.h:222
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_CODEC_ID_V408
Definition: avcodec.h:421
AV_CODEC_ID_R10K
Definition: avcodec.h:363
AV_CODEC_ID_QDMC
Definition: avcodec.h:614
AV_CODEC_ID_OPUS
Definition: avcodec.h:624
AV_CODEC_ID_VP8
Definition: avcodec.h:358
AV_CH_LAYOUT_5POINT1_BACK
#define AV_CH_LAYOUT_5POINT1_BACK
Definition: channel_layout.h:98
AV_CODEC_ID_PCM_S16BE
Definition: avcodec.h:464
AV_CODEC_ID_DVAUDIO
Definition: avcodec.h:570
AV_CODEC_ID_SVQ1
Definition: avcodec.h:240
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
AV_CODEC_ID_QCELP
Definition: avcodec.h:588
ff_mov_read_chan
int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st, int64_t size)
Read &#39;chan&#39; tag from the input stream.
Definition: mov_chan.c:547
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen_template.c:38
AV_CODEC_ID_RPZA
Definition: avcodec.h:260
ff_mov_lang_to_iso639
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:441
AVStream
Stream structure.
Definition: avformat.h:881
AV_CODEC_ID_PCM_U8
Definition: avcodec.h:468
AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: avcodec.h:705
AV_CODEC_ID_AV1
Definition: avcodec.h:443
ff_codec_movaudio_tags
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:318
AOT_L2
Y Layer 2.
Definition: mpeg4audio.h:104
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1400
AVCodecContext
main external API structure.
Definition: avcodec.h:1565
AV_CODEC_ID_AC3
Definition: avcodec.h:567
AV_CODEC_ID_PCM_MULAW
Definition: avcodec.h:469
AV_CODEC_ID_EAC3
Definition: avcodec.h:604
AV_CODEC_ID_PCM_F32BE
Definition: avcodec.h:483
AV_CODEC_ID_TARGA
Definition: avcodec.h:311
AV_CH_LAYOUT_5POINT0_BACK
#define AV_CH_LAYOUT_5POINT0_BACK
Definition: channel_layout.h:97
AV_CODEC_ID_TSCC2
Definition: avcodec.h:382
AV_CODEC_ID_PCM_S24LE
Definition: avcodec.h:475
AV_CODEC_ID_MP2
Definition: avcodec.h:564
AV_CODEC_ID_EVRC
Definition: avcodec.h:636
AV_CODEC_ID_PCM_F64LE
Definition: avcodec.h:486
layouts
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
AV_CODEC_ID_HEVC
Definition: avcodec.h:392
AV_CODEC_ID_DPX
Definition: avcodec.h:346
AV_CODEC_ID_V210
Definition: avcodec.h:345
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
code
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some it can consider them to be part of the FIFO and delay acknowledging a status change accordingly Example code
Definition: filter_design.txt:172
AV_CODEC_ID_HAP
Definition: avcodec.h:407
AV_CODEC_ID_CAVS
Definition: avcodec.h:305
AV_CH_LAYOUT_7POINT1_WIDE
#define AV_CH_LAYOUT_7POINT1_WIDE
Definition: channel_layout.h:108
AV_CODEC_ID_JPEG2000
Definition: avcodec.h:306
AV_CODEC_ID_TIFF
Definition: avcodec.h:314
AV_CODEC_ID_AVRN
Definition: avcodec.h:423
AV_CODEC_ID_QDRAW
Definition: avcodec.h:276
AV_CODEC_ID_PCM_F32LE
Definition: avcodec.h:484
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: avcodec.h:4067
ff_mov_write_chan
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:642
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:476
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AV_CODEC_ID_V308
Definition: avcodec.h:420
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:3306
AV_CODEC_ID_PCM_S16LE
Definition: avcodec.h:463
AV_CODEC_ID_SGIRLE
Definition: avcodec.h:401
avpriv_mpeg4audio_get_config
int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:155
AV_CODEC_ID_8BPS
Definition: avcodec.h:266
AOT_ALS
Y Audio LosslesS.
Definition: mpeg4audio.h:107
AV_CODEC_ID_MSMPEG4V3
Definition: avcodec.h:234
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
AOT_L3
Y Layer 3.
Definition: mpeg4audio.h:105
AV_CODEC_ID_GSM
as in Berlin toast format
Definition: avcodec.h:582
len
int len
Definition: vorbis_enc_data.h:452
AV_CODEC_ID_YUV4
Definition: avcodec.h:422
AV_CODEC_ID_MP4ALS
Definition: avcodec.h:609
AV_CODEC_ID_FLIC
Definition: avcodec.h:268
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3971
AVCodecParameters::channels
int channels
Audio only.
Definition: avcodec.h:4063
avio_wb32
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:377
AV_CODEC_ID_PCM_S32LE
Definition: avcodec.h:471
AVStream::codecpar
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1028
AV_CODEC_ID_GIF
Definition: avcodec.h:315
AV_CODEC_ID_RAWVIDEO
Definition: avcodec.h:231
AV_CODEC_ID_AIC
Definition: avcodec.h:387
AV_CODEC_ID_ILBC
Definition: avcodec.h:623
AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_MONO
Definition: channel_layout.h:85
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:366
AV_CODEC_ID_MSRLE
Definition: avcodec.h:263
AV_CODEC_ID_VORBIS
Definition: avcodec.h:569
AV_CODEC_ID_PCM_S32BE
Definition: avcodec.h:472
AV_CODEC_ID_SGI
Definition: avcodec.h:319
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