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 Libav.
8  *
9  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 //#define DEBUG
25 
26 #include "avformat.h"
27 #include "internal.h"
28 #include "isom.h"
29 #include "libavcodec/mpeg4audio.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_AAC , 0x40 },
39  { AV_CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
40  { AV_CODEC_ID_MPEG2VIDEO , 0x61 }, /* MPEG2 Main */
41  { AV_CODEC_ID_MPEG2VIDEO , 0x60 }, /* MPEG2 Simple */
42  { AV_CODEC_ID_MPEG2VIDEO , 0x62 }, /* MPEG2 SNR */
43  { AV_CODEC_ID_MPEG2VIDEO , 0x63 }, /* MPEG2 Spatial */
44  { AV_CODEC_ID_MPEG2VIDEO , 0x64 }, /* MPEG2 High */
45  { AV_CODEC_ID_MPEG2VIDEO , 0x65 }, /* MPEG2 422 */
46  { AV_CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
47  { AV_CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
48  { AV_CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
49  { AV_CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
50  { AV_CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
51  { AV_CODEC_ID_MPEG1VIDEO , 0x6A }, /* 11172-2 */
52  { AV_CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
53  { AV_CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
54  { AV_CODEC_ID_PNG , 0x6D },
55  { AV_CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
56  { AV_CODEC_ID_VC1 , 0xA3 },
57  { AV_CODEC_ID_DIRAC , 0xA4 },
58  { AV_CODEC_ID_AC3 , 0xA5 },
59  { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
60  { AV_CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
61  { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
62  { AV_CODEC_ID_QCELP , 0xE1 },
63  { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
64  { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
65  { AV_CODEC_ID_NONE , 0 },
66 };
67 
69 /* { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
70 
71  { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
72  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
73  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
76 
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
87 
88  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
89  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
90  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
91  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
92  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
93 
94  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
95  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
96  { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
97 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
98  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
99  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
100 
101  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
102  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
103  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
104  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
105 
106  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
107  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
108  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
109  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
110 
111  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
112  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
113 
114  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
115  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
116  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
117  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
118  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
119  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
120  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
121  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
122  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
123  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
124  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
125  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
126  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
127  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
128  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
129 
130  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
131  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
132  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
133  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
134  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
135  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
136  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
137  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
138 
139  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
140 
141  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
142  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
143  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
144  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
145  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
146  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
147  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
148  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
149  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
150  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
151  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
152  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
153  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
154 
155  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
156  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
157  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
158  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
159  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
160  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
161  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
162  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
163  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
164  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
165  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
166  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
167  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
168  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
169  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
170  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
171  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
172  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
173  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
174  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
175  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
176  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
177  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
178  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
179  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
180  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
181  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
182  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
201 
202  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
203 
204  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
205  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
206  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
207  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
208 
209  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
210  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
211 
212  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
213  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
214  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
215  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
216  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
217  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
218  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
219  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
220 
221  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
222  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
223  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
224  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
225  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
226 
227  { AV_CODEC_ID_NONE, 0 },
228 };
229 
231  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
232  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
233  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
234  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
235  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
236  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
237  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
238  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
239  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
240  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
241  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
242  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
243  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
244  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
245  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
246  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
247  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
248  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
249  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
250  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
251  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
252  { AV_CODEC_ID_MP3, 0x6D730055 },
253  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
254  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
255  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
256  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
257  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
258  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
259  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
260  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
261  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
262  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
263  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
264  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
265  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
266  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
267  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
268  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
269  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
270  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
271  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
272  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
273  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
274  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
275  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
276  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
277  { AV_CODEC_ID_NONE, 0 },
278 };
279 
281  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
282  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
283  { AV_CODEC_ID_NONE, 0 },
284 };
285 
286 /* map numeric codes from mdhd atom to ISO 639 */
287 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
288 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
289 /* deprecated by putting the code as 3*5bit ascii */
290 static const char mov_mdhd_language_map[][4] = {
291  /* 0-9 */
292  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
293  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
294  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
295  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
296  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
297  /*?*/
298  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
299  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
300  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
301  /* roman? arabic? */
302  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
303  /*==rundi?*/
304  "", "run", "", "mlg", "epo", "", "", "", "", "",
305  /* 100 */
306  "", "", "", "", "", "", "", "", "", "",
307  "", "", "", "", "", "", "", "", "", "",
308  "", "", "", "", "", "", "", "", "wel", "baq",
309  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
310 };
311 
312 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
313 {
314  int i, code = 0;
315 
316  /* old way, only for QT? */
317  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
318  if (!strcmp(lang, mov_mdhd_language_map[i]))
319  return i;
320  }
321  /* XXX:can we do that in mov too? */
322  if (!mp4)
323  return -1;
324  /* handle undefined as such */
325  if (lang[0] == '\0')
326  lang = "und";
327  /* 5bit ascii */
328  for (i = 0; i < 3; i++) {
329  uint8_t c = lang[i];
330  c -= 0x60;
331  if (c > 0x1f)
332  return -1;
333  code <<= 5;
334  code |= c;
335  }
336  return code;
337 }
338 
339 int ff_mov_lang_to_iso639(unsigned code, char to[4])
340 {
341  int i;
342  memset(to, 0, 4);
343  /* is it the mangled iso code? */
344  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
345  if (code > 138) {
346  for (i = 2; i >= 0; i--) {
347  to[i] = 0x60 + (code & 0x1f);
348  code >>= 5;
349  }
350  return 1;
351  }
352  /* old fashion apple lang code */
354  return 0;
355  if (!mov_mdhd_language_map[code][0])
356  return 0;
357  memcpy(to, mov_mdhd_language_map[code], 4);
358  return 1;
359 }
360 
362 {
363  int len = 0;
364  int count = 4;
365  while (count--) {
366  int c = avio_r8(pb);
367  len = (len << 7) | (c & 0x7f);
368  if (!(c & 0x80))
369  break;
370  }
371  return len;
372 }
373 
375 {
376  int len;
377  *tag = avio_r8(pb);
378  len = ff_mp4_read_descr_len(pb);
379  av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
380  return len;
381 }
382 
383 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
384 {
385  int flags;
386  if (es_id) *es_id = avio_rb16(pb);
387  else avio_rb16(pb);
388  flags = avio_r8(pb);
389  if (flags & 0x80) //streamDependenceFlag
390  avio_rb16(pb);
391  if (flags & 0x40) { //URL_Flag
392  int len = avio_r8(pb);
393  avio_skip(pb, len);
394  }
395  if (flags & 0x20) //OCRstreamFlag
396  avio_rb16(pb);
397 }
398 
399 static const AVCodecTag mp4_audio_types[] = {
400  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
401  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
402  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
403  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
404  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
406 };
407 
409 {
410  int len, tag;
411  int object_type_id = avio_r8(pb);
412  avio_r8(pb); /* stream type */
413  avio_rb24(pb); /* buffer size db */
414  avio_rb32(pb); /* max bitrate */
415  avio_rb32(pb); /* avg bitrate */
416 
417  st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
418  av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
419  len = ff_mp4_read_descr(fc, pb, &tag);
420  if (tag == MP4DecSpecificDescrTag) {
421  av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
422  if (!len || (uint64_t)len > (1<<30))
423  return -1;
424  av_free(st->codec->extradata);
426  if (!st->codec->extradata)
427  return AVERROR(ENOMEM);
428  avio_read(pb, st->codec->extradata, len);
429  st->codec->extradata_size = len;
430  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
431  MPEG4AudioConfig cfg;
433  st->codec->extradata_size * 8, 1);
434  st->codec->channels = cfg.channels;
435  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
437  else if (cfg.ext_sample_rate)
438  st->codec->sample_rate = cfg.ext_sample_rate;
439  else
440  st->codec->sample_rate = cfg.sample_rate;
441  av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
442  "sample rate %d ext sample rate %d\n", st->codec->channels,
443  cfg.object_type, cfg.ext_object_type,
444  cfg.sample_rate, cfg.ext_sample_rate);
445  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
446  cfg.object_type)))
448  }
449  }
450  return 0;
451 }