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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_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
298  { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
299  { AV_CODEC_ID_NONE, 0 },
300 };
301 
302 const AVCodecTag ff_codec_movsubtitle_tags[] = {
303  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
304  { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
305  { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
306  { AV_CODEC_ID_NONE, 0 },
307 };
308 
309 /* map numeric codes from mdhd atom to ISO 639 */
310 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
311 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
312 /* deprecated by putting the code as 3*5bit ascii */
313 static const char mov_mdhd_language_map[][4] = {
314  /* 0-9 */
315  "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
316  "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
317  "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
318  "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
319  "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
320  /*?*/
321  "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
322  "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
323  "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
324  /* roman? arabic? */
325  "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
326  /*==rundi?*/
327  "", "run", "", "mlg", "epo", "", "", "", "", "",
328  /* 100 */
329  "", "", "", "", "", "", "", "", "", "",
330  "", "", "", "", "", "", "", "", "", "",
331  "", "", "", "", "", "", "", "", "wel", "baq",
332  "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
333 };
334 
335 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
336 {
337  int i, code = 0;
338 
339  /* old way, only for QT? */
340  for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
341  if (!strcmp(lang, mov_mdhd_language_map[i]))
342  return i;
343  }
344  /* XXX:can we do that in mov too? */
345  if (!mp4)
346  return -1;
347  /* handle undefined as such */
348  if (lang[0] == '\0')
349  lang = "und";
350  /* 5bit ascii */
351  for (i = 0; i < 3; i++) {
352  uint8_t c = lang[i];
353  c -= 0x60;
354  if (c > 0x1f)
355  return -1;
356  code <<= 5;
357  code |= c;
358  }
359  return code;
360 }
361 
362 int ff_mov_lang_to_iso639(unsigned code, char to[4])
363 {
364  int i;
365  memset(to, 0, 4);
366  /* is it the mangled iso code? */
367  /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
368  if (code >= 0x400 && code != 0x7fff) {
369  for (i = 2; i >= 0; i--) {
370  to[i] = 0x60 + (code & 0x1f);
371  code >>= 5;
372  }
373  return 1;
374  }
375  /* old fashion apple lang code */
376  if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
377  return 0;
378  if (!mov_mdhd_language_map[code][0])
379  return 0;
380  memcpy(to, mov_mdhd_language_map[code], 4);
381  return 1;
382 }
383 
384 int ff_mp4_read_descr_len(AVIOContext *pb)
385 {
386  int len = 0;
387  int count = 4;
388  while (count--) {
389  int c = avio_r8(pb);
390  len = (len << 7) | (c & 0x7f);
391  if (!(c & 0x80))
392  break;
393  }
394  return len;
395 }
396 
397 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
398 {
399  int len;
400  *tag = avio_r8(pb);
401  len = ff_mp4_read_descr_len(pb);
402  av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
403  return len;
404 }
405 
406 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
407 {
408  int flags;
409  if (es_id) *es_id = avio_rb16(pb);
410  else avio_rb16(pb);
411  flags = avio_r8(pb);
412  if (flags & 0x80) //streamDependenceFlag
413  avio_rb16(pb);
414  if (flags & 0x40) { //URL_Flag
415  int len = avio_r8(pb);
416  avio_skip(pb, len);
417  }
418  if (flags & 0x20) //OCRstreamFlag
419  avio_rb16(pb);
420 }
421 
422 static const AVCodecTag mp4_audio_types[] = {
423  { AV_CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
424  { AV_CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
425  { AV_CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
426  { AV_CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
427  { AV_CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
428  { AV_CODEC_ID_NONE, AOT_NULL },
429 };
430 
431 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
432 {
433  int len, tag;
434  int object_type_id = avio_r8(pb);
435  avio_r8(pb); /* stream type */
436  avio_rb24(pb); /* buffer size db */
437  avio_rb32(pb); /* max bitrate */
438  avio_rb32(pb); /* avg bitrate */
439 
440  if(avcodec_is_open(st->codec)) {
441  av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
442  return -1;
443  }
444 
445  st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
446  av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
447  len = ff_mp4_read_descr(fc, pb, &tag);
448  if (tag == MP4DecSpecificDescrTag) {
449  av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
450  if (!len || (uint64_t)len > (1<<30))
451  return -1;
452  av_free(st->codec->extradata);
453  st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
454  if (!st->codec->extradata)
455  return AVERROR(ENOMEM);
456  avio_read(pb, st->codec->extradata, len);
457  st->codec->extradata_size = len;
458  if (st->codec->codec_id == AV_CODEC_ID_AAC) {
459  MPEG4AudioConfig cfg;
460  avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
461  st->codec->extradata_size * 8, 1);
462  st->codec->channels = cfg.channels;
463  if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
464  st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
465  else if (cfg.ext_sample_rate)
466  st->codec->sample_rate = cfg.ext_sample_rate;
467  else
468  st->codec->sample_rate = cfg.sample_rate;
469  av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
470  "sample rate %d ext sample rate %d\n", st->codec->channels,
471  cfg.object_type, cfg.ext_object_type,
472  cfg.sample_rate, cfg.ext_sample_rate);
473  if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
474  cfg.object_type)))
475  st->codec->codec_id = AV_CODEC_ID_AAC;
476  }
477  }
478  return 0;
479 }
480 
481 typedef struct MovChannelLayout {
482  int64_t channel_layout;
483  uint32_t layout_tag;
484 } MovChannelLayout;
485 
486 static const MovChannelLayout mov_channel_layout[] = {
487  { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
488  { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
489  { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
490  { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
491  { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
492  { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
493  { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
494  { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
495  { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
496  { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
497  { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
498  { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
499  { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
500  { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
501  { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
502  { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
503  { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
504  { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
505  { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
506  { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
507  { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
508  { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
509  { 0, 0},
510 };
511 #if 0
512 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
513 {
514  AVCodecContext *codec= st->codec;
515  uint32_t layout_tag;
516  AVIOContext *pb = s->pb;
517  const MovChannelLayout *layouts = mov_channel_layout;
518 
519  if (size < 12)
520  return AVERROR_INVALIDDATA;
521 
522  layout_tag = avio_rb32(pb);
523  size -= 4;
524  if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
525  // Channel descriptions not implemented
526  av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
527  avio_skip(pb, size);
528  return 0;
529  }
530  if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
531  codec->channel_layout = avio_rb32(pb);
532  size -= 4;
533  avio_skip(pb, size);
534  return 0;
535  }
536  while (layouts->channel_layout) {
537  if (layout_tag == layouts->layout_tag) {
538  codec->channel_layout = layouts->channel_layout;
539  break;
540  }
541  layouts++;
542  }
543  if (!codec->channel_layout)
544  av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
545  avio_skip(pb, size);
546 
547  return 0;
548 }
549 #endif
550 
551 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
552 {
553  const MovChannelLayout *layouts;
554  uint32_t layout_tag = 0;
555 
556  for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
557  if (channel_layout == layouts->channel_layout) {
558  layout_tag = layouts->layout_tag;
559  break;
560  }
561 
562  if (layout_tag) {
563  avio_wb32(pb, layout_tag); // mChannelLayoutTag
564  avio_wb32(pb, 0); // mChannelBitmap
565  } else {
566  avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
567  avio_wb32(pb, channel_layout);
568  }
569  avio_wb32(pb, 0); // mNumberChannelDescriptions
570 }
571 
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