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"
29 #include "libavutil/avstring.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
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 
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  { AV_CODEC_ID_CDTOONS, MKTAG('Q', 'k', 'B', 'k') }, /* CDToons */
162 
163  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
164 
165  { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
166  { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
167  { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
168  /* dvh1 is handled within mov.c */
169 
170  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
171  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
172  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
173  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
174  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
175  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
176  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
177  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
178  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
179  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
180  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
181  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
182  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
183  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
184  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
185  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
186  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
187  { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
188  { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
189  { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
190  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
191  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */
192  { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */
193 
194  { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */
195  { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */
196  { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */
197 
198  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
199  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
200  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
201  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
218  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
219  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
220  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
221  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
222  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
223  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
224  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
225  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
226  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
227  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
228  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
229  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
230  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
231  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
232  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
233  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
234  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
235  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
236  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
237  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
238  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
239  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
240  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
241  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
242  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
243  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
244  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
245  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
246  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
247  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
248 
249  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
250 
251  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
252  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
253  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
254  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
255  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
256 
257  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
258  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
259 
260  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
261  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
262  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
263  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
264  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
265  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
266  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
267  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
268  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
269  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
270 
271  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
272  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
273  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
274  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
275  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
276  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
277  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
278 
279  { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
280 
281  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
282  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
283  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
284  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
285  { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
286 
287  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
288  { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
289 
290  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
291  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
292  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
293  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '0') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
303  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
304  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
305 
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
312  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
313  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
314 
315  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
316 
317  { AV_CODEC_ID_NOTCHLC, MKTAG('n', 'c', 'l', 'c') },
318 
319  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'G', 'R') }, /* ASC Bayer BGGR */
320 
321  { AV_CODEC_ID_NONE, 0 },
322 };
323 
325  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
326  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
327  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
328  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
329  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
330  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
331  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
332  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
333  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
334  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
335  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
336  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
337  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
338  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
339  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
340  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
341  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
342  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
343  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
344  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
345  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
346  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
347  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
348  { AV_CODEC_ID_MP3, 0x6D730055 },
349  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
350  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
351  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
352  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
353  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
354  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
355  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
356  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
357  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
358  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
359  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
360  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
361  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
362  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
363  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
364  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
365  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
366  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
367  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
368  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
369  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
370  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
371  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
372  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
373  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
374  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
375  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
376  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
377  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
378  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
379  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
380  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
381  { AV_CODEC_ID_NONE, 0 },
382 };
383 
385  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
386  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
387  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
388  { AV_CODEC_ID_NONE, 0 },
389 };
390 
392  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
393  { AV_CODEC_ID_NONE, 0 },
394 };
395 
396 /* map numeric codes from mdhd atom to ISO 639 */
397 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
398 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
399 /* deprecated by putting the code as 3*5 bits ASCII */
400 static const char mov_mdhd_language_map[][4] = {
401  "eng", /* 0 English */
402  "fra", /* 1 French */
403  "ger", /* 2 German */
404  "ita", /* 3 Italian */
405  "dut", /* 4 Dutch */
406  "sve", /* 5 Swedish */
407  "spa", /* 6 Spanish */
408  "dan", /* 7 Danish */
409  "por", /* 8 Portuguese */
410  "nor", /* 9 Norwegian */
411  "heb", /* 10 Hebrew */
412  "jpn", /* 11 Japanese */
413  "ara", /* 12 Arabic */
414  "fin", /* 13 Finnish */
415  "gre", /* 14 Greek */
416  "ice", /* 15 Icelandic */
417  "mlt", /* 16 Maltese */
418  "tur", /* 17 Turkish */
419  "hr ", /* 18 Croatian */
420  "chi", /* 19 Traditional Chinese */
421  "urd", /* 20 Urdu */
422  "hin", /* 21 Hindi */
423  "tha", /* 22 Thai */
424  "kor", /* 23 Korean */
425  "lit", /* 24 Lithuanian */
426  "pol", /* 25 Polish */
427  "hun", /* 26 Hungarian */
428  "est", /* 27 Estonian */
429  "lav", /* 28 Latvian */
430  "", /* 29 Sami */
431  "fo ", /* 30 Faroese */
432  "", /* 31 Farsi */
433  "rus", /* 32 Russian */
434  "chi", /* 33 Simplified Chinese */
435  "", /* 34 Flemish */
436  "iri", /* 35 Irish */
437  "alb", /* 36 Albanian */
438  "ron", /* 37 Romanian */
439  "ces", /* 38 Czech */
440  "slk", /* 39 Slovak */
441  "slv", /* 40 Slovenian */
442  "yid", /* 41 Yiddish */
443  "sr ", /* 42 Serbian */
444  "mac", /* 43 Macedonian */
445  "bul", /* 44 Bulgarian */
446  "ukr", /* 45 Ukrainian */
447  "bel", /* 46 Belarusian */
448  "uzb", /* 47 Uzbek */
449  "kaz", /* 48 Kazakh */
450  "aze", /* 49 Azerbaijani */
451  "aze", /* 50 AzerbaijanAr */
452  "arm", /* 51 Armenian */
453  "geo", /* 52 Georgian */
454  "mol", /* 53 Moldavian */
455  "kir", /* 54 Kirghiz */
456  "tgk", /* 55 Tajiki */
457  "tuk", /* 56 Turkmen */
458  "mon", /* 57 Mongolian */
459  "", /* 58 MongolianCyr */
460  "pus", /* 59 Pashto */
461  "kur", /* 60 Kurdish */
462  "kas", /* 61 Kashmiri */
463  "snd", /* 62 Sindhi */
464  "tib", /* 63 Tibetan */
465  "nep", /* 64 Nepali */
466  "san", /* 65 Sanskrit */
467  "mar", /* 66 Marathi */
468  "ben", /* 67 Bengali */
469  "asm", /* 68 Assamese */
470  "guj", /* 69 Gujarati */
471  "pa ", /* 70 Punjabi */
472  "ori", /* 71 Oriya */
473  "mal", /* 72 Malayalam */
474  "kan", /* 73 Kannada */
475  "tam", /* 74 Tamil */
476  "tel", /* 75 Telugu */
477  "", /* 76 Sinhala */
478  "bur", /* 77 Burmese */
479  "khm", /* 78 Khmer */
480  "lao", /* 79 Lao */
481  "vie", /* 80 Vietnamese */
482  "ind", /* 81 Indonesian */
483  "tgl", /* 82 Tagalog */
484  "may", /* 83 MalayRoman */
485  "may", /* 84 MalayArabic */
486  "amh", /* 85 Amharic */
487  "tir", /* 86 Galla */
488  "orm", /* 87 Oromo */
489  "som", /* 88 Somali */
490  "swa", /* 89 Swahili */
491  "", /* 90 Kinyarwanda */
492  "run", /* 91 Rundi */
493  "", /* 92 Nyanja */
494  "mlg", /* 93 Malagasy */
495  "epo", /* 94 Esperanto */
496  "", /* 95 */
497  "", /* 96 */
498  "", /* 97 */
499  "", /* 98 */
500  "", /* 99 */
501  "", /* 100 */
502  "", /* 101 */
503  "", /* 102 */
504  "", /* 103 */
505  "", /* 104 */
506  "", /* 105 */
507  "", /* 106 */
508  "", /* 107 */
509  "", /* 108 */
510  "", /* 109 */
511  "", /* 110 */
512  "", /* 111 */
513  "", /* 112 */
514  "", /* 113 */
515  "", /* 114 */
516  "", /* 115 */
517  "", /* 116 */
518  "", /* 117 */
519  "", /* 118 */
520  "", /* 119 */
521  "", /* 120 */
522  "", /* 121 */
523  "", /* 122 */
524  "", /* 123 */
525  "", /* 124 */
526  "", /* 125 */
527  "", /* 126 */
528  "", /* 127 */
529  "wel", /* 128 Welsh */
530  "baq", /* 129 Basque */
531  "cat", /* 130 Catalan */
532  "lat", /* 131 Latin */
533  "que", /* 132 Quechua */
534  "grn", /* 133 Guarani */
535  "aym", /* 134 Aymara */
536  "tat", /* 135 Tatar */
537  "uig", /* 136 Uighur */
538  "dzo", /* 137 Dzongkha */
539  "jav", /* 138 JavaneseRom */
540 };
541 
542 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
543 {
544  int i, code = 0;
545 
546  /* old way, only for QT? */
547  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
548  if (!strcmp(lang, mov_mdhd_language_map[i]))
549  return i;
550  }
551  /* XXX:can we do that in mov too? */
552  if (!mp4)
553  return -1;
554  /* handle undefined as such */
555  if (lang[0] == '\0')
556  lang = "und";
557  /* 5 bits ASCII */
558  for (i = 0; i < 3; i++) {
559  uint8_t c = lang[i];
560  c -= 0x60;
561  if (c > 0x1f)
562  return -1;
563  code <<= 5;
564  code |= c;
565  }
566  return code;
567 }
568 
569 int ff_mov_lang_to_iso639(unsigned code, char to[4])
570 {
571  int i;
572  memset(to, 0, 4);
573  /* is it the mangled iso code? */
574  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
575  if (code >= 0x400 && code != 0x7fff) {
576  for (i = 2; i >= 0; i--) {
577  to[i] = 0x60 + (code & 0x1f);
578  code >>= 5;
579  }
580  return 1;
581  }
582  /* old fashion apple lang code */
584  return 0;
585  if (!mov_mdhd_language_map[code][0])
586  return 0;
587  memcpy(to, mov_mdhd_language_map[code], 4);
588  return 1;
589 }
590 
592 {
593  int len = 0;
594  int count = 4;
595  while (count--) {
596  int c = avio_r8(pb);
597  len = (len << 7) | (c & 0x7f);
598  if (!(c & 0x80))
599  break;
600  }
601  return len;
602 }
603 
605 {
606  int len;
607  *tag = avio_r8(pb);
608  len = ff_mp4_read_descr_len(pb);
609  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
610  return len;
611 }
612 
613 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
614 {
615  int flags;
616  if (es_id) *es_id = avio_rb16(pb);
617  else avio_rb16(pb);
618  flags = avio_r8(pb);
619  if (flags & 0x80) //streamDependenceFlag
620  avio_rb16(pb);
621  if (flags & 0x40) { //URL_Flag
622  int len = avio_r8(pb);
623  avio_skip(pb, len);
624  }
625  if (flags & 0x20) //OCRstreamFlag
626  avio_rb16(pb);
627 }
628 
629 static const AVCodecTag mp4_audio_types[] = {
630  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
631  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
632  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
633  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
634  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
636 };
637 
639 {
640  enum AVCodecID codec_id;
641  unsigned v;
642  int len, tag;
643  int ret;
644  int object_type_id = avio_r8(pb);
645  avio_r8(pb); /* stream type */
646  avio_rb24(pb); /* buffer size db */
647 
648  v = avio_rb32(pb);
649 
650  // TODO: fix this with codecpar
651 #if FF_API_LAVF_AVCTX
653  if (v < INT32_MAX)
654  st->codec->rc_max_rate = v;
656 #endif
657 
658  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
659 
660  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
661  if (codec_id)
662  st->codecpar->codec_id = codec_id;
663  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
664  len = ff_mp4_read_descr(fc, pb, &tag);
665  if (tag == MP4DecSpecificDescrTag) {
666  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
667  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
668  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
669  if (object_type_id == 0x69 || object_type_id == 0x6b)
670  return 0;
671  if (!len || (uint64_t)len > (1<<30))
672  return AVERROR_INVALIDDATA;
673  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
674  return ret;
675  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
676  MPEG4AudioConfig cfg = {0};
678  st->codecpar->extradata_size, 1, fc);
679  if (ret < 0)
680  return ret;
681  st->codecpar->channels = cfg.channels;
682  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
684  else if (cfg.ext_sample_rate)
686  else
687  st->codecpar->sample_rate = cfg.sample_rate;
688  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
689  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
690  cfg.object_type, cfg.ext_object_type,
691  cfg.sample_rate, cfg.ext_sample_rate);
692  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
693  cfg.object_type)))
695  }
696  }
697  return 0;
698 }
699 
700 typedef struct MovChannelLayout {
701  int64_t channel_layout;
702  uint32_t layout_tag;
704 
706  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
707  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
708  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
709  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
710  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
711  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
712  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
713  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
714  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
715  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
716  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
717  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
718  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
719  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
720  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
721  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
722  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
723  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
724  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
725  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
726  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
727  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
728  { 0, 0},
729 };
730 #if 0
731 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
732 {
733  AVCodecContext *codec= st->codec;
734  uint32_t layout_tag;
735  AVIOContext *pb = s->pb;
737 
738  if (size < 12)
739  return AVERROR_INVALIDDATA;
740 
741  layout_tag = avio_rb32(pb);
742  size -= 4;
743  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
744  // Channel descriptions not implemented
745  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
746  avio_skip(pb, size);
747  return 0;
748  }
749  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
750  codec->channel_layout = avio_rb32(pb);
751  size -= 4;
752  avio_skip(pb, size);
753  return 0;
754  }
755  while (layouts->channel_layout) {
756  if (layout_tag == layouts->layout_tag) {
757  codec->channel_layout = layouts->channel_layout;
758  break;
759  }
760  layouts++;
761  }
762  if (!codec->channel_layout)
763  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
764  avio_skip(pb, size);
765 
766  return 0;
767 }
768 #endif
769 
771 {
772  const MovChannelLayout *layouts;
773  uint32_t layout_tag = 0;
774 
775  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
776  if (channel_layout == layouts->channel_layout) {
777  layout_tag = layouts->layout_tag;
778  break;
779  }
780 
781  if (layout_tag) {
782  avio_wb32(pb, layout_tag); // mChannelLayoutTag
783  avio_wb32(pb, 0); // mChannelBitmap
784  } else {
785  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
786  avio_wb32(pb, channel_layout);
787  }
788  avio_wb32(pb, 0); // mNumberChannelDescriptions
789 }
790 
792 {
793  return ff_codec_movvideo_tags;
794 }
795 
797 {
798  return ff_codec_movaudio_tags;
799 }
N Parametric Stereo.
Definition: mpeg4audio.h:115
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:542
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:629
#define AV_CH_LAYOUT_7POINT1
Bytestream IO Context.
Definition: avio.h:161
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
Definition: isom.c:613
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3096
Y Layer 1.
Definition: mpeg4audio.h:118
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_CH_LAYOUT_SURROUND
static const MovChannelLayout mov_channel_layout[]
Definition: isom.c:705
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
#define AV_CH_LAYOUT_4POINT0
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:341
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
Definition: aviobuf.c:768
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:702
Format I/O context.
Definition: avformat.h:1355
static const char mov_mdhd_language_map[][4]
Definition: isom.c:400
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:796
uint8_t
int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, int size, int sync_extension, void *logctx)
Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. ...
Definition: mpeg4audio.c:190
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:220
unsigned int avio_rb32(AVIOContext *s)
Definition: aviobuf.c:783
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
const uint16_t avpriv_mpa_freq_tab[3]
Definition: mpegaudiodata.c:40
#define AV_CH_LOW_FREQUENCY
uint32_t tag
Definition: movenc.c:1597
ptrdiff_t size
Definition: opengl_enc.c:100
#define av_log(a,...)
const char * to
Definition: webvttdec.c:34
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:89
const struct AVCodecTag * avformat_get_mov_video_tags(void)
Definition: isom.c:791
#define AV_CH_LAYOUT_5POINT1
#define fc(width, name, range_min, range_max)
Definition: cbs_av1.c:550
const AVCodecTag ff_codec_movdata_tags[]
Definition: isom.c:391
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:638
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
int ff_mp4_read_descr_len(AVIOContext *pb)
Definition: isom.c:591
#define MP4DecSpecificDescrTag
Definition: isom.h:307
int64_t channel_layout
Definition: isom.c:701
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:419
#define AV_CH_LAYOUT_QUAD
GLsizei count
Definition: opengl_enc.c:108
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:384
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:1237
int extradata_size
Size of the extradata content in bytes.
Definition: codec_par.h:78
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:628
#define AV_CH_LAYOUT_2_1
#define AV_CH_LAYOUT_2_2
unsigned int avio_rb24(AVIOContext *s)
Definition: aviobuf.c:776
#define AV_CH_LAYOUT_STEREO_DOWNMIX
#define s(width, name)
Definition: cbs_vp9.c:257
enum AVCodecID codec_id
Definition: vaapi_decode.c:369
#define AV_CH_LAYOUT_5POINT1_BACK
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
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
#define FF_ARRAY_ELEMS(a)
int ff_mov_lang_to_iso639(unsigned code, char to[4])
Definition: isom.c:569
Stream structure.
Definition: avformat.h:880
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: codec_id.h:565
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:324
Y Layer 2.
Definition: mpeg4audio.h:119
AVIOContext * pb
I/O context.
Definition: avformat.h:1397
main external API structure.
Definition: avcodec.h:526
#define AV_CH_LAYOUT_5POINT0_BACK
enum MovChannelLayoutTag * layouts
Definition: mov_chan.c:434
#define flags(name, subs,...)
Definition: cbs_av1.c:560
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
#define AV_CH_LAYOUT_7POINT1_WIDE
int sample_rate
Audio only.
Definition: codec_par.h:170
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
Definition: isom.c:770
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:604
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
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:3277
Y Audio LosslesS.
Definition: mpeg4audio.h:122
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
Y Layer 3.
Definition: mpeg4audio.h:120
as in Berlin toast format
Definition: codec_id.h:436
int len
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: codec_par.h:74
int channels
Audio only.
Definition: codec_par.h:166
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:387
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1027
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:406
int i
Definition: input.c:407