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', '2') },
294  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '4') },
295  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
296  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
297  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
298  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
299  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
300  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
301  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
302  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
303  { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
304 
305  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
306  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
307  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
308  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
309  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
310  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
311  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
312  { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
313 
314  { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
315 
316  { AV_CODEC_ID_NOTCHLC, MKTAG('n', 'c', 'l', 'c') },
317 
318  { AV_CODEC_ID_NONE, 0 },
319 };
320 
322  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
323  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
324  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
325  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
326  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
327  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
328  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
329  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
330  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
331  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
332  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'e') }, /* DTS Express */
333  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
334  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
335  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
336  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
337  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
338  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
339  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
340  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
341  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
342  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
343  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
344  { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') }, /* vlc */
345  { AV_CODEC_ID_MP3, 0x6D730055 },
346  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
347  { AV_CODEC_ID_NELLYMOSER, MKTAG('N', 'E', 'L', 'L') }, /* Perian */
348  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
349  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
350  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
351  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
352  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
353  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
354  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
355  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
356  { AV_CODEC_ID_PCM_S16BE, MKTAG('l', 'p', 'c', 'm') },
357  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
358  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
359  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
360  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
361  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
362  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
363  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
364  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
365  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
366  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
367  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
368  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
369  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
370  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
371  { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
372  { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
373  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
374  { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
375  { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') }, /* mp4ra.org */
376  { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
377  { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') }, /* MPEG-H 3D Audio bitstream */
378  { AV_CODEC_ID_NONE, 0 },
379 };
380 
382  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
383  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
384  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
385  { AV_CODEC_ID_NONE, 0 },
386 };
387 
389  { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
390  { AV_CODEC_ID_NONE, 0 },
391 };
392 
393 /* map numeric codes from mdhd atom to ISO 639 */
394 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
395 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
396 /* deprecated by putting the code as 3*5 bits ASCII */
397 static const char mov_mdhd_language_map[][4] = {
398  "eng", /* 0 English */
399  "fra", /* 1 French */
400  "ger", /* 2 German */
401  "ita", /* 3 Italian */
402  "dut", /* 4 Dutch */
403  "sve", /* 5 Swedish */
404  "spa", /* 6 Spanish */
405  "dan", /* 7 Danish */
406  "por", /* 8 Portuguese */
407  "nor", /* 9 Norwegian */
408  "heb", /* 10 Hebrew */
409  "jpn", /* 11 Japanese */
410  "ara", /* 12 Arabic */
411  "fin", /* 13 Finnish */
412  "gre", /* 14 Greek */
413  "ice", /* 15 Icelandic */
414  "mlt", /* 16 Maltese */
415  "tur", /* 17 Turkish */
416  "hr ", /* 18 Croatian */
417  "chi", /* 19 Traditional Chinese */
418  "urd", /* 20 Urdu */
419  "hin", /* 21 Hindi */
420  "tha", /* 22 Thai */
421  "kor", /* 23 Korean */
422  "lit", /* 24 Lithuanian */
423  "pol", /* 25 Polish */
424  "hun", /* 26 Hungarian */
425  "est", /* 27 Estonian */
426  "lav", /* 28 Latvian */
427  "", /* 29 Sami */
428  "fo ", /* 30 Faroese */
429  "", /* 31 Farsi */
430  "rus", /* 32 Russian */
431  "chi", /* 33 Simplified Chinese */
432  "", /* 34 Flemish */
433  "iri", /* 35 Irish */
434  "alb", /* 36 Albanian */
435  "ron", /* 37 Romanian */
436  "ces", /* 38 Czech */
437  "slk", /* 39 Slovak */
438  "slv", /* 40 Slovenian */
439  "yid", /* 41 Yiddish */
440  "sr ", /* 42 Serbian */
441  "mac", /* 43 Macedonian */
442  "bul", /* 44 Bulgarian */
443  "ukr", /* 45 Ukrainian */
444  "bel", /* 46 Belarusian */
445  "uzb", /* 47 Uzbek */
446  "kaz", /* 48 Kazakh */
447  "aze", /* 49 Azerbaijani */
448  "aze", /* 50 AzerbaijanAr */
449  "arm", /* 51 Armenian */
450  "geo", /* 52 Georgian */
451  "mol", /* 53 Moldavian */
452  "kir", /* 54 Kirghiz */
453  "tgk", /* 55 Tajiki */
454  "tuk", /* 56 Turkmen */
455  "mon", /* 57 Mongolian */
456  "", /* 58 MongolianCyr */
457  "pus", /* 59 Pashto */
458  "kur", /* 60 Kurdish */
459  "kas", /* 61 Kashmiri */
460  "snd", /* 62 Sindhi */
461  "tib", /* 63 Tibetan */
462  "nep", /* 64 Nepali */
463  "san", /* 65 Sanskrit */
464  "mar", /* 66 Marathi */
465  "ben", /* 67 Bengali */
466  "asm", /* 68 Assamese */
467  "guj", /* 69 Gujarati */
468  "pa ", /* 70 Punjabi */
469  "ori", /* 71 Oriya */
470  "mal", /* 72 Malayalam */
471  "kan", /* 73 Kannada */
472  "tam", /* 74 Tamil */
473  "tel", /* 75 Telugu */
474  "", /* 76 Sinhala */
475  "bur", /* 77 Burmese */
476  "khm", /* 78 Khmer */
477  "lao", /* 79 Lao */
478  "vie", /* 80 Vietnamese */
479  "ind", /* 81 Indonesian */
480  "tgl", /* 82 Tagalog */
481  "may", /* 83 MalayRoman */
482  "may", /* 84 MalayArabic */
483  "amh", /* 85 Amharic */
484  "tir", /* 86 Galla */
485  "orm", /* 87 Oromo */
486  "som", /* 88 Somali */
487  "swa", /* 89 Swahili */
488  "", /* 90 Kinyarwanda */
489  "run", /* 91 Rundi */
490  "", /* 92 Nyanja */
491  "mlg", /* 93 Malagasy */
492  "epo", /* 94 Esperanto */
493  "", /* 95 */
494  "", /* 96 */
495  "", /* 97 */
496  "", /* 98 */
497  "", /* 99 */
498  "", /* 100 */
499  "", /* 101 */
500  "", /* 102 */
501  "", /* 103 */
502  "", /* 104 */
503  "", /* 105 */
504  "", /* 106 */
505  "", /* 107 */
506  "", /* 108 */
507  "", /* 109 */
508  "", /* 110 */
509  "", /* 111 */
510  "", /* 112 */
511  "", /* 113 */
512  "", /* 114 */
513  "", /* 115 */
514  "", /* 116 */
515  "", /* 117 */
516  "", /* 118 */
517  "", /* 119 */
518  "", /* 120 */
519  "", /* 121 */
520  "", /* 122 */
521  "", /* 123 */
522  "", /* 124 */
523  "", /* 125 */
524  "", /* 126 */
525  "", /* 127 */
526  "wel", /* 128 Welsh */
527  "baq", /* 129 Basque */
528  "cat", /* 130 Catalan */
529  "lat", /* 131 Latin */
530  "que", /* 132 Quechua */
531  "grn", /* 133 Guarani */
532  "aym", /* 134 Aymara */
533  "tat", /* 135 Tatar */
534  "uig", /* 136 Uighur */
535  "dzo", /* 137 Dzongkha */
536  "jav", /* 138 JavaneseRom */
537 };
538 
539 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
540 {
541  int i, code = 0;
542 
543  /* old way, only for QT? */
544  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
545  if (!strcmp(lang, mov_mdhd_language_map[i]))
546  return i;
547  }
548  /* XXX:can we do that in mov too? */
549  if (!mp4)
550  return -1;
551  /* handle undefined as such */
552  if (lang[0] == '\0')
553  lang = "und";
554  /* 5 bits ASCII */
555  for (i = 0; i < 3; i++) {
556  uint8_t c = lang[i];
557  c -= 0x60;
558  if (c > 0x1f)
559  return -1;
560  code <<= 5;
561  code |= c;
562  }
563  return code;
564 }
565 
566 int ff_mov_lang_to_iso639(unsigned code, char to[4])
567 {
568  int i;
569  memset(to, 0, 4);
570  /* is it the mangled iso code? */
571  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
572  if (code >= 0x400 && code != 0x7fff) {
573  for (i = 2; i >= 0; i--) {
574  to[i] = 0x60 + (code & 0x1f);
575  code >>= 5;
576  }
577  return 1;
578  }
579  /* old fashion apple lang code */
581  return 0;
582  if (!mov_mdhd_language_map[code][0])
583  return 0;
584  memcpy(to, mov_mdhd_language_map[code], 4);
585  return 1;
586 }
587 
589 {
590  int len = 0;
591  int count = 4;
592  while (count--) {
593  int c = avio_r8(pb);
594  len = (len << 7) | (c & 0x7f);
595  if (!(c & 0x80))
596  break;
597  }
598  return len;
599 }
600 
602 {
603  int len;
604  *tag = avio_r8(pb);
605  len = ff_mp4_read_descr_len(pb);
606  av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
607  return len;
608 }
609 
610 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
611 {
612  int flags;
613  if (es_id) *es_id = avio_rb16(pb);
614  else avio_rb16(pb);
615  flags = avio_r8(pb);
616  if (flags & 0x80) //streamDependenceFlag
617  avio_rb16(pb);
618  if (flags & 0x40) { //URL_Flag
619  int len = avio_r8(pb);
620  avio_skip(pb, len);
621  }
622  if (flags & 0x20) //OCRstreamFlag
623  avio_rb16(pb);
624 }
625 
626 static const AVCodecTag mp4_audio_types[] = {
627  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
628  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
629  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
630  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
631  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
633 };
634 
636 {
637  enum AVCodecID codec_id;
638  unsigned v;
639  int len, tag;
640  int ret;
641  int object_type_id = avio_r8(pb);
642  avio_r8(pb); /* stream type */
643  avio_rb24(pb); /* buffer size db */
644 
645  v = avio_rb32(pb);
646 
647  // TODO: fix this with codecpar
648 #if FF_API_LAVF_AVCTX
650  if (v < INT32_MAX)
651  st->codec->rc_max_rate = v;
653 #endif
654 
655  st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
656 
657  codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
658  if (codec_id)
659  st->codecpar->codec_id = codec_id;
660  av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
661  len = ff_mp4_read_descr(fc, pb, &tag);
662  if (tag == MP4DecSpecificDescrTag) {
663  av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
664  /* As per 14496-3:2009 9.D.2.2, No decSpecificInfo is defined
665  for MPEG-1 Audio or MPEG-2 Audio; MPEG-2 AAC excluded. */
666  if (object_type_id == 0x69 || object_type_id == 0x6b)
667  return 0;
668  if (!len || (uint64_t)len > (1<<30))
669  return AVERROR_INVALIDDATA;
670  if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
671  return ret;
672  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
673  MPEG4AudioConfig cfg = {0};
675  st->codecpar->extradata_size, 1, fc);
676  if (ret < 0)
677  return ret;
678  st->codecpar->channels = cfg.channels;
679  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
681  else if (cfg.ext_sample_rate)
683  else
684  st->codecpar->sample_rate = cfg.sample_rate;
685  av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
686  "sample rate %d ext sample rate %d\n", st->codecpar->channels,
687  cfg.object_type, cfg.ext_object_type,
688  cfg.sample_rate, cfg.ext_sample_rate);
689  if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
690  cfg.object_type)))
692  }
693  }
694  return 0;
695 }
696 
697 typedef struct MovChannelLayout {
698  int64_t channel_layout;
699  uint32_t layout_tag;
701 
703  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
704  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
705  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
706  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
707  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
708  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
709  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
710  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
711  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
712  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
713  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
714  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
715  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
716  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
717  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
718  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
719  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
720  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
721  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
722  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
723  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
724  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
725  { 0, 0},
726 };
727 #if 0
728 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
729 {
730  AVCodecContext *codec= st->codec;
731  uint32_t layout_tag;
732  AVIOContext *pb = s->pb;
734 
735  if (size < 12)
736  return AVERROR_INVALIDDATA;
737 
738  layout_tag = avio_rb32(pb);
739  size -= 4;
740  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
741  // Channel descriptions not implemented
742  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
743  avio_skip(pb, size);
744  return 0;
745  }
746  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
747  codec->channel_layout = avio_rb32(pb);
748  size -= 4;
749  avio_skip(pb, size);
750  return 0;
751  }
752  while (layouts->channel_layout) {
753  if (layout_tag == layouts->layout_tag) {
754  codec->channel_layout = layouts->channel_layout;
755  break;
756  }
757  layouts++;
758  }
759  if (!codec->channel_layout)
760  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
761  avio_skip(pb, size);
762 
763  return 0;
764 }
765 #endif
766 
768 {
769  const MovChannelLayout *layouts;
770  uint32_t layout_tag = 0;
771 
772  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
773  if (channel_layout == layouts->channel_layout) {
774  layout_tag = layouts->layout_tag;
775  break;
776  }
777 
778  if (layout_tag) {
779  avio_wb32(pb, layout_tag); // mChannelLayoutTag
780  avio_wb32(pb, 0); // mChannelBitmap
781  } else {
782  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
783  avio_wb32(pb, channel_layout);
784  }
785  avio_wb32(pb, 0); // mNumberChannelDescriptions
786 }
787 
789 {
790  return ff_codec_movvideo_tags;
791 }
792 
794 {
795  return ff_codec_movaudio_tags;
796 }
N Parametric Stereo.
Definition: mpeg4audio.h:115
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:539
static const AVCodecTag mp4_audio_types[]
Definition: isom.c:626
#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:610
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag)
Definition: utils.c:3158
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:702
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:775
#define AV_CH_LAYOUT_5POINT0
mpeg audio layer common tables.
uint32_t layout_tag
Definition: isom.c:699
Format I/O context.
Definition: avformat.h:1351
static const char mov_mdhd_language_map[][4]
Definition: isom.c:397
const struct AVCodecTag * avformat_get_mov_audio_tags(void)
Definition: isom.c:793
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:790
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:1532
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:788
#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:388
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
Definition: isom.c:635
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:588
#define MP4DecSpecificDescrTag
Definition: isom.h:305
int64_t channel_layout
Definition: isom.c:698
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:412
#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:381
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:783
#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:566
Stream structure.
Definition: avformat.h:876
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
Definition: codec_id.h:557
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:321
Y Layer 2.
Definition: mpeg4audio.h:119
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
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:767
Main libavformat public API header.
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
Definition: isom.c:601
#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:3339
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:429
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:1023
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:406
int i
Definition: input.c:407