Statistics
| Branch: | Revision:

ffmpeg / libavformat / isom.c @ 1b7ecc16

History | View | Annotate | Download (20.1 KB)

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 "riff.h"
30
#include "libavcodec/mpeg4audio.h"
31
#include "libavcodec/mpegaudiodata.h"
32

    
33
/* http://www.mp4ra.org */
34
/* ordered by muxing preference */
35
const AVCodecTag ff_mp4_obj_type[] = {
36
    { CODEC_ID_MOV_TEXT  , 0x08 },
37
    { CODEC_ID_MPEG4     , 0x20 },
38
    { CODEC_ID_H264      , 0x21 },
39
    { CODEC_ID_AAC       , 0x40 },
40
    { CODEC_ID_MP4ALS    , 0x40 }, /* 14496-3 ALS */
41
    { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
42
    { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
43
    { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
44
    { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */
45
    { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */
46
    { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */
47
    { CODEC_ID_AAC       , 0x66 }, /* MPEG2 AAC Main */
48
    { CODEC_ID_AAC       , 0x67 }, /* MPEG2 AAC Low */
49
    { CODEC_ID_AAC       , 0x68 }, /* MPEG2 AAC SSR */
50
    { CODEC_ID_MP3       , 0x69 }, /* 13818-3 */
51
    { CODEC_ID_MP2       , 0x69 }, /* 11172-3 */
52
    { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
53
    { CODEC_ID_MP3       , 0x6B }, /* 11172-3 */
54
    { CODEC_ID_MJPEG     , 0x6C }, /* 10918-1 */
55
    { CODEC_ID_PNG       , 0x6D },
56
    { CODEC_ID_JPEG2000  , 0x6E }, /* 15444-1 */
57
    { CODEC_ID_VC1       , 0xA3 },
58
    { CODEC_ID_DIRAC     , 0xA4 },
59
    { CODEC_ID_AC3       , 0xA5 },
60
    { CODEC_ID_VORBIS    , 0xDD }, /* non standard, gpac uses it */
61
    { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
62
    { CODEC_ID_QCELP     , 0xE1 },
63
    { CODEC_ID_NONE      ,    0 },
64
};
65

    
66
const AVCodecTag codec_movvideo_tags[] = {
67
/*  { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
68

    
69
    { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
70
    { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
71
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
72
    { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
73
    { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
74

    
75
    { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
76
    { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
77
    { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
78
    { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
79
    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
80
    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
81
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
82
    { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
83
    { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
84

    
85
    { CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
86
    { CODEC_ID_R210,   MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
87
    { CODEC_ID_V210,   MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
88

    
89
    { CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
90
    { CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
91
    { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
92
/*  { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
93
    { CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
94
    { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
95

    
96
    { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
97
    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
98
    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
99
    { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
100

    
101
    { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
102
    { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
103
    { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
104
    { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
105

    
106
    { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
107
    { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
108

    
109
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
110
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
111
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
112
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
113
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
114
    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
115
    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
116
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
117
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
118
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
119
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
120
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
121
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
122
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
123
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
124

    
125
    { CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
126
    { CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
127
    { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
128
    { CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
129
    { CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
130
    { CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
131
    { CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
132
    { CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
133

    
134
    { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
135

    
136
    { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
137
    { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC Intra  50 / 1080 interlace */
138
    { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC Intra  50 /  720 */
139
    { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC Intra 100 / 1080 interlace */
140
    { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC Intra 100 /  720 */
141
    { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC Intra 100 / 1080 */
142

    
143
    { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
144
    { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
145
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
146
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
147
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
148
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
149
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
150
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
151
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
152
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
153
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
154
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
155
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
156
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
157
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
158
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
159
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
160
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
161
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
162
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
163
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
164
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
165
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
166
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
167
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
168
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
169
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
170
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
171
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
172
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
173
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
174
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
175
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
176
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
177
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
178
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
179
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
180
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
181
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
182
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
183
    { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
184

    
185
    { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
186

    
187
    { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
188
    { CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
189
    { CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
190
    { CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
191

    
192
    { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
193
    { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
194

    
195
    { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
196
    { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
197
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
198
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
199
    { CODEC_ID_SGI,   MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
200
    { CODEC_ID_DPX,   MKTAG('d', 'p', 'x', ' ') }, /* DPX */
201

    
202
    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
203
    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
204
    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
205
    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
206
    { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
207

    
208
    { CODEC_ID_NONE, 0 },
209
};
210

    
211
const AVCodecTag codec_movaudio_tags[] = {
212
    { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
213
    { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
214
    { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
215
    { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
216
    { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
217
    { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /*  */
218
    { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
219
    { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
220
    { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
221
    { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
222
    { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
223
    { CODEC_ID_PCM_S8,    MKTAG('s', 'o', 'w', 't') },
224
    { CODEC_ID_PCM_U8,    MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
225
    { CODEC_ID_PCM_U8,    MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
226
    { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /*  */
227
    { CODEC_ID_PCM_ALAW,  MKTAG('a', 'l', 'a', 'w') }, /*  */
228

    
229
    { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
230

    
231
    { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
232
    { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
233

    
234
    { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
235
    { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
236

    
237
    { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
238
    { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
239

    
240
/*  { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
241

    
242
    { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
243
    { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
244
    { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
245

    
246
    { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
247
    { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
248

    
249
    { CODEC_ID_GSM,  MKTAG('a', 'g', 's', 'm') },
250
    { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
251

    
252
    { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
253
    { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
254
    { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
255

    
256
    { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */
257
    { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
258

    
259
    { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
260
    { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
261

    
262
    { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
263

    
264
    { CODEC_ID_NONE, 0 },
265
};
266

    
267
const AVCodecTag ff_codec_movsubtitle_tags[] = {
268
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
269
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
270
    { CODEC_ID_NONE, 0 },
271
};
272

    
273
/* map numeric codes from mdhd atom to ISO 639 */
274
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
275
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
276
/* deprecated by putting the code as 3*5bit ascii */
277
static const char mov_mdhd_language_map[][4] = {
278
    /* 0-9 */
279
    "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
280
    "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
281
    "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",    "",
282
    "fo ",    "", "rus", "chi",    "", "iri", "alb", "ron", "ces", "slk",
283
    "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
284
    /*?*/
285
    "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",    "", "pus",
286
    "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
287
    "pa ", "ori", "mal", "kan", "tam", "tel",    "", "bur", "khm", "lao",
288
    /*                   roman? arabic? */
289
    "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
290
    /*==rundi?*/
291
       "", "run",    "", "mlg", "epo",    "",    "",    "",    "",    "",
292
    /* 100 */
293
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
294
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
295
       "",    "",    "",    "",    "",    "",    "",    "", "wel", "baq",
296
    "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
297
};
298

    
299
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
300
{
301
    int i, code = 0;
302

    
303
    /* old way, only for QT? */
304
    for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
305
        if (!strcmp(lang, mov_mdhd_language_map[i]))
306
            return i;
307
    }
308
    /* XXX:can we do that in mov too? */
309
    if (!mp4)
310
        return -1;
311
    /* handle undefined as such */
312
    if (lang[0] == '\0')
313
        lang = "und";
314
    /* 5bit ascii */
315
    for (i = 0; i < 3; i++) {
316
        uint8_t c = lang[i];
317
        c -= 0x60;
318
        if (c > 0x1f)
319
            return -1;
320
        code <<= 5;
321
        code |= c;
322
    }
323
    return code;
324
}
325

    
326
int ff_mov_lang_to_iso639(unsigned code, char to[4])
327
{
328
    int i;
329
    memset(to, 0, 4);
330
    /* is it the mangled iso code? */
331
    /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
332
    if (code > 138) {
333
        for (i = 2; i >= 0; i--) {
334
            to[i] = 0x60 + (code & 0x1f);
335
            code >>= 5;
336
        }
337
        return 1;
338
    }
339
    /* old fashion apple lang code */
340
    if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
341
        return 0;
342
    if (!mov_mdhd_language_map[code][0])
343
        return 0;
344
    memcpy(to, mov_mdhd_language_map[code], 4);
345
    return 1;
346
}
347

    
348
int ff_mp4_read_descr_len(AVIOContext *pb)
349
{
350
    int len = 0;
351
    int count = 4;
352
    while (count--) {
353
        int c = avio_r8(pb);
354
        len = (len << 7) | (c & 0x7f);
355
        if (!(c & 0x80))
356
            break;
357
    }
358
    return len;
359
}
360

    
361
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
362
{
363
    int len;
364
    *tag = avio_r8(pb);
365
    len = ff_mp4_read_descr_len(pb);
366
    av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
367
    return len;
368
}
369

    
370
static const AVCodecTag mp4_audio_types[] = {
371
    { CODEC_ID_MP3ON4, AOT_PS   }, /* old mp3on4 draft */
372
    { CODEC_ID_MP3ON4, AOT_L1   }, /* layer 1 */
373
    { CODEC_ID_MP3ON4, AOT_L2   }, /* layer 2 */
374
    { CODEC_ID_MP3ON4, AOT_L3   }, /* layer 3 */
375
    { CODEC_ID_MP4ALS, AOT_ALS  }, /* MPEG-4 ALS */
376
    { CODEC_ID_NONE,   AOT_NULL },
377
};
378

    
379
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
380
{
381
    int len, tag;
382
    int object_type_id = avio_r8(pb);
383
    avio_r8(pb); /* stream type */
384
    avio_rb24(pb); /* buffer size db */
385
    avio_rb32(pb); /* max bitrate */
386
    avio_rb32(pb); /* avg bitrate */
387

    
388
    st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
389
    av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
390
    len = ff_mp4_read_descr(fc, pb, &tag);
391
    if (tag == MP4DecSpecificDescrTag) {
392
        av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
393
        if((uint64_t)len > (1<<30))
394
            return -1;
395
        av_free(st->codec->extradata);
396
        st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
397
        if (!st->codec->extradata)
398
            return AVERROR(ENOMEM);
399
        avio_read(pb, st->codec->extradata, len);
400
        st->codec->extradata_size = len;
401
        if (st->codec->codec_id == CODEC_ID_AAC) {
402
            MPEG4AudioConfig cfg;
403
            ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
404
                                     st->codec->extradata_size);
405
            st->codec->channels = cfg.channels;
406
            if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
407
                st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
408
            else if (cfg.ext_sample_rate)
409
                st->codec->sample_rate = cfg.ext_sample_rate;
410
            else
411
                st->codec->sample_rate = cfg.sample_rate;
412
            av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
413
                    "sample rate %d ext sample rate %d\n", st->codec->channels,
414
                    cfg.object_type, cfg.ext_object_type,
415
                    cfg.sample_rate, cfg.ext_sample_rate);
416
            if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
417
                                                        cfg.object_type)))
418
                st->codec->codec_id = CODEC_ID_AAC;
419
        }
420
    }
421
    return 0;
422
}