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isom.c
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1 /*
2  * ISO Media common code
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002 Francois Revol <revol@free.fr>
5  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 //#define DEBUG
25 
26 #include "avformat.h"
27 #include "internal.h"
28 #include "isom.h"
29 #include "libavcodec/mpeg4audio.h"
30 #include "libavcodec/mpegaudiodata.h"
31 
32 /* http://www.mp4ra.org */
33 /* ordered by muxing preference */
34 const AVCodecTag ff_mp4_obj_type[] = {
35  { AV_CODEC_ID_MOV_TEXT , 0x08 },
36  { AV_CODEC_ID_MPEG4 , 0x20 },
37  { AV_CODEC_ID_H264 , 0x21 },
38  { AV_CODEC_ID_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 
68 const AVCodecTag ff_codec_movvideo_tags[] = {
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('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
75 
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
78  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
79  { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
91  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
92 
93  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
94  { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
95  { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
96  { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
97  { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
98  { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
99  { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
100  { AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
101  { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4 */
102  { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4:4 */
103  { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
104  { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* UNCOMPRESSED 12BIT 4:1:1 */
105  { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
106  { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
107 
108  { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
109  { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
110  { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
111 /* { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
112  { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
113  { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
114 
115  { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
116  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
117  { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
118  { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
119 
120  { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
121  { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
122  { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
123  { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
124 
125  { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
126  { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
127 
128  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
129  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
130  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
131  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
132  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
133  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
134  { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
135  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
136  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
137  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
138  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
139  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
140  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
141  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
142  { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
143 
144  { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
145  { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
146  { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
147  { AV_CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
148  { AV_CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
149  { AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
150  { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
151  { AV_CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
152  { AV_CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
153 
154  { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
155 
156  { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
157  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
158  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
159  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
160  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
161  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
162  { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
163  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
164  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
165  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
166  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
167  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
168  { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
169  { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
170 
171  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
172  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
173  { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
174  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
175  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
176  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
177  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
178  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
179  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
180  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
181  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
182  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
183  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
184  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
185  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
186  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
187  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
188  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
189  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
190  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
191  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
192  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
193  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
194  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
195  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
196  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
197  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
198  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
199  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
200  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
201  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
202  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
203  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
204  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
205  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
206  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
207  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
208  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
209  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
210  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
211  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
212  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
213  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
214  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
215  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
216  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
217  { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
218 
219  { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
220 
221  { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
222  { AV_CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
223  { AV_CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
224  { AV_CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
225  { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') },
226 
227  { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
228  { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
229 
230  { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
231  { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
232  { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
233  { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
234  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
235  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
236  { AV_CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
237  { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
238  { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
239 
240  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
241  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
242  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
243  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
244  { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
245  { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') },
246 
247  { AV_CODEC_ID_NONE, 0 },
248 };
249 
250 const AVCodecTag ff_codec_movaudio_tags[] = {
251  { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
252  { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
253  { AV_CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
254  { AV_CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
255  { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
256  { AV_CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
257  { AV_CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
258  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
259  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
260  { AV_CODEC_ID_DTS, MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
261  { AV_CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
262  { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
263  { AV_CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
264  { AV_CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
265  { AV_CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
266  { AV_CODEC_ID_ILBC, MKTAG('i', 'l', 'b', 'c') },
267  { AV_CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
268  { AV_CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
269  { AV_CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
270  { AV_CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
271  { AV_CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
272  { AV_CODEC_ID_MP3, 0x6D730055 },
273  { AV_CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
274  { AV_CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
275  { AV_CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
276  { AV_CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
277  { AV_CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
278  { AV_CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
279  { AV_CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
280  { AV_CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
281  { AV_CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
282  { AV_CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
283  { AV_CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
284  { AV_CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
285  { AV_CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
286  { AV_CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
287  { AV_CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
288  { AV_CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
289  { AV_CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
290  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
291  { AV_CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
292  { AV_CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
293  { AV_CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
294  { AV_CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
295  { AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
296  { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
297  { AV_CODEC_ID_NONE, 0 },
298 };
299 
300 const AVCodecTag ff_codec_movsubtitle_tags[] = {
301  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
302  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
303  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
304  { AV_CODEC_ID_NONE, 0 },
305 };
306 
307 /* map numeric codes from mdhd atom to ISO 639 */
308 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
309 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
310 /* deprecated by putting the code as 3*5bit ascii */
311 static const char mov_mdhd_language_map[][4] = {
312  /* 0-9 */
313  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
314  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
315  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
316  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
317  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
318  /*?*/
319  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
320  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
321  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
322  /* roman? arabic? */
323  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
324  /*==rundi?*/
325  "", "run", "", "mlg", "epo", "", "", "", "", "",
326  /* 100 */
327  "", "", "", "", "", "", "", "", "", "",
328  "", "", "", "", "", "", "", "", "", "",
329  "", "", "", "", "", "", "", "", "wel", "baq",
330  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
331 };
332 
333 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
334 {
335  int i, code = 0;
336 
337  /* old way, only for QT? */
338  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
339  if (!strcmp(lang, mov_mdhd_language_map[i]))
340  return i;
341  }
342  /* XXX:can we do that in mov too? */
343  if (!mp4)
344  return -1;
345  /* handle undefined as such */
346  if (lang[0] == '\0')
347  lang = "und";
348  /* 5bit ascii */
349  for (i = 0; i < 3; i++) {
350  uint8_t c = lang[i];
351  c -= 0x60;
352  if (c > 0x1f)
353  return -1;
354  code <<= 5;
355  code |= c;
356  }
357  return code;
358 }
359 
360 int ff_mov_lang_to_iso639(unsigned code, char to[4])
361 {
362  int i;
363  memset(to, 0, 4);
364  /* is it the mangled iso code? */
365  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
366  if (code >= 0x400 && code != 0x7fff) {
367  for (i = 2; i >= 0; i--) {
368  to[i] = 0x60 + (code & 0x1f);
369  code >>= 5;
370  }
371  return 1;
372  }
373  /* old fashion apple lang code */
374  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
375  return 0;
376  if (!mov_mdhd_language_map[code][0])
377  return 0;
378  memcpy(to, mov_mdhd_language_map[code], 4);
379  return 1;
380 }
381 
382 int ff_mp4_read_descr_len(AVIOContext *pb)
383 {
384  int len = 0;
385  int count = 4;
386  while (count--) {
387  int c = avio_r8(pb);
388  len = (len << 7) | (c & 0x7f);
389  if (!(c & 0x80))
390  break;
391  }
392  return len;
393 }
394 
395 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
396 {
397  int len;
398  *tag = avio_r8(pb);
399  len = ff_mp4_read_descr_len(pb);
400  av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
401  return len;
402 }
403 
404 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
405 {
406  int flags;
407  if (es_id) *es_id = avio_rb16(pb);
408  else avio_rb16(pb);
409  flags = avio_r8(pb);
410  if (flags & 0x80) //streamDependenceFlag
411  avio_rb16(pb);
412  if (flags & 0x40) { //URL_Flag
413  int len = avio_r8(pb);
414  avio_skip(pb, len);
415  }
416  if (flags & 0x20) //OCRstreamFlag
417  avio_rb16(pb);
418 }
419 
420 static const AVCodecTag mp4_audio_types[] = {
421  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
422  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
423  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
424  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
425  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
426  { AV_CODEC_ID_NONE, AOT_NULL },
427 };
428 
429 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
430 {
431  int len, tag;
432  int object_type_id = avio_r8(pb);
433  avio_r8(pb); /* stream type */
434  avio_rb24(pb); /* buffer size db */
435  avio_rb32(pb); /* max bitrate */
436  avio_rb32(pb); /* avg bitrate */
437 
438  if(avcodec_is_open(st->codec)) {
439  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
440  return -1;
441  }
442 
443  st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
444  av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
445  len = ff_mp4_read_descr(fc, pb, &tag);
446  if (tag == MP4DecSpecificDescrTag) {
447  av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
448  if (!len || (uint64_t)len > (1<<30))
449  return -1;
450  av_free(st->codec->extradata);
451  st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
452  if (!st->codec->extradata)
453  return AVERROR(ENOMEM);
454  avio_read(pb, st->codec->extradata, len);
455  st->codec->extradata_size = len;
456  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
457  MPEG4AudioConfig cfg;
458  avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
459  st->codec->extradata_size * 8, 1);
460  st->codec->channels = cfg.channels;
461  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
462  st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
463  else if (cfg.ext_sample_rate)
464  st->codec->sample_rate = cfg.ext_sample_rate;
465  else
466  st->codec->sample_rate = cfg.sample_rate;
467  av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
468  "sample rate %d ext sample rate %d\n", st->codec->channels,
469  cfg.object_type, cfg.ext_object_type,
470  cfg.sample_rate, cfg.ext_sample_rate);
471  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
472  cfg.object_type)))
473  st->codec->codec_id = AV_CODEC_ID_AAC;
474  }
475  }
476  return 0;
477 }
478 
479 typedef struct MovChannelLayout {
480  int64_t channel_layout;
481  uint32_t layout_tag;
482 } MovChannelLayout;
483 
484 static const MovChannelLayout mov_channel_layout[] = {
485  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
486  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
487  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
488  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
489  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
490  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
491  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
492  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
493  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
494  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
495  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
496  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
497  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
498  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
499  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
500  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
501  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
502  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
503  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
504  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
505  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
506  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
507  { 0, 0},
508 };
509 #if 0
510 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
511 {
512  AVCodecContext *codec= st->codec;
513  uint32_t layout_tag;
514  AVIOContext *pb = s->pb;
515  const MovChannelLayout *layouts = mov_channel_layout;
516 
517  if (size < 12)
518  return AVERROR_INVALIDDATA;
519 
520  layout_tag = avio_rb32(pb);
521  size -= 4;
522  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
523  // Channel descriptions not implemented
524  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
525  avio_skip(pb, size);
526  return 0;
527  }
528  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
529  codec->channel_layout = avio_rb32(pb);
530  size -= 4;
531  avio_skip(pb, size);
532  return 0;
533  }
534  while (layouts->channel_layout) {
535  if (layout_tag == layouts->layout_tag) {
536  codec->channel_layout = layouts->channel_layout;
537  break;
538  }
539  layouts++;
540  }
541  if (!codec->channel_layout)
542  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
543  avio_skip(pb, size);
544 
545  return 0;
546 }
547 #endif
548 
549 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
550 {
551  const MovChannelLayout *layouts;
552  uint32_t layout_tag = 0;
553 
554  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
555  if (channel_layout == layouts->channel_layout) {
556  layout_tag = layouts->layout_tag;
557  break;
558  }
559 
560  if (layout_tag) {
561  avio_wb32(pb, layout_tag); // mChannelLayoutTag
562  avio_wb32(pb, 0); // mChannelBitmap
563  } else {
564  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
565  avio_wb32(pb, channel_layout);
566  }
567  avio_wb32(pb, 0); // mNumberChannelDescriptions
568 }
569 
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