Flush final frames in libfaac encoder.
[libav.git] / libavformat / isom.c
CommitLineData
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1/*
2 * ISO Media common code
406792e7 3 * Copyright (c) 2001 Fabrice Bellard
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4 * Copyright (c) 2002 Francois Revol <revol@free.fr>
5 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6 *
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7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
b78e7197 12 * version 2.1 of the License, or (at your option) any later version.
e40ee6a2 13 *
b78e7197 14 * FFmpeg is distributed in the hope that it will be useful,
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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
b78e7197 20 * License along with FFmpeg; if not, write to the Free Software
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21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
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24//#define DEBUG
25
e40ee6a2 26#include "avformat.h"
80b39e1c 27#include "internal.h"
e40ee6a2 28#include "isom.h"
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29#include "riff.h"
30#include "libavcodec/mpeg4audio.h"
31#include "libavcodec/mpegaudiodata.h"
e40ee6a2 32
7555d2e6 33/* http://www.mp4ra.org */
efc9e44d 34/* ordered by muxing preference */
ccba88d7 35const AVCodecTag ff_mp4_obj_type[] = {
f6204886 36 { CODEC_ID_MOV_TEXT , 0x08 },
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37 { CODEC_ID_MPEG4 , 0x20 },
38 { CODEC_ID_H264 , 0x21 },
39 { CODEC_ID_AAC , 0x40 },
c3988a59 40 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
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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 */
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50 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
51 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
5180b027 52 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
2f980d2a 53 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
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54 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
55 { CODEC_ID_PNG , 0x6D },
56 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
57 { CODEC_ID_VC1 , 0xA3 },
c3b13251 58 { CODEC_ID_DIRAC , 0xA4 },
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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 },
bc2d2a07 63 { CODEC_ID_NONE , 0 },
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64};
65
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66const 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 */
3dd2f87e 70 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
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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 */
42022e03 73 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
1e5f5e3b 74
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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') },
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82 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
83 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
414ba8e3 84
43836928 85 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
4aaab0a3 86 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
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87 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
88
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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) */
c3ebc833 93 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
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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 */
bea6c1ec 115 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
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116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
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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') },
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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 */
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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
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134 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
135
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136 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
137
3432c263 138 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
1e5f5e3b 139 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
d8e45640 140 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
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141 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
142 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
143 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
144 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
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145 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
146 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
147 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
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148 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
149 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
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150 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
151 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
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152 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
153 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
c9b87628 154 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
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155 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
156 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
157 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
158 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
159 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
160 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
8d27c5f8 163 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
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164 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
1e5f5e3b 177 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
1e5f5e3b 178
18cb36fd 179 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
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180
181 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
182 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
183 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
184 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
185
186 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
d4fdba0d 187 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
1e5f5e3b 188
c3b13251 189 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
c06136e0 190 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
a0ae3e41 191 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
59ea69ef 192 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
2d99eed1 193 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
94d3d6a4 194 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
c06136e0 195
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196 { CODEC_ID_NONE, 0 },
197};
198
199const AVCodecTag codec_movaudio_tags[] = {
200 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
201 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
202 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
203 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
204 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
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205 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
206 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
a1ef2c4b 207 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
7c4b7d0f 208 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
a1ef2c4b 209 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
7c4b7d0f 210 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
36264d35 211 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
1e5f5e3b 212 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
bffcf2eb 213 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
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214 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
215 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
216
217 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
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218
219 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
220 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
221
0b389aee 222 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
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223 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
224
1e5f5e3b 225 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
0174f514 226 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
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227
228/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
229
230 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
d4a240cb 231 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
34edd994 232 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
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233
234 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
235 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
236
5610f20e 237 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
1e5f5e3b 238 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
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239
240 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
be43ae66 241 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
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242 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
243
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244 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
245
246 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
247 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
248
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249 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
250
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251 { CODEC_ID_NONE, 0 },
252};
253
1e3c9307 254const AVCodecTag ff_codec_movsubtitle_tags[] = {
cc8c2c6a 255 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
eb3ba13b 256 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
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257 { CODEC_ID_NONE, 0 },
258};
259
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260/* map numeric codes from mdhd atom to ISO 639 */
261/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
262/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
263/* deprecated by putting the code as 3*5bit ascii */
029ddf33 264static const char mov_mdhd_language_map[][4] = {
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265 /* 0-9 */
266 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
267 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
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268 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
269 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
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270 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
271 /*?*/
029ddf33 272 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
e40ee6a2 273 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
029ddf33 274 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
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275 /* roman? arabic? */
276 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
277 /*==rundi?*/
029ddf33 278 "", "run", "", "mlg", "epo", "", "", "", "", "",
e40ee6a2 279 /* 100 */
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280 "", "", "", "", "", "", "", "", "", "",
281 "", "", "", "", "", "", "", "", "", "",
282 "", "", "", "", "", "", "", "", "wel", "baq",
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283 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
284};
285
1c90d298 286int ff_mov_iso639_to_lang(const char lang[4], int mp4)
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287{
288 int i, code = 0;
289
290 /* old way, only for QT? */
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291 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
292 if (!strcmp(lang, mov_mdhd_language_map[i]))
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293 return i;
294 }
295 /* XXX:can we do that in mov too? */
296 if (!mp4)
2904fd39 297 return -1;
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298 /* handle undefined as such */
299 if (lang[0] == '\0')
300 lang = "und";
301 /* 5bit ascii */
302 for (i = 0; i < 3; i++) {
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303 uint8_t c = lang[i];
304 c -= 0x60;
305 if (c > 0x1f)
2904fd39 306 return -1;
e40ee6a2 307 code <<= 5;
832ec428 308 code |= c;
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309 }
310 return code;
311}
312
1c90d298 313int ff_mov_lang_to_iso639(unsigned code, char to[4])
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314{
315 int i;
1c90d298 316 memset(to, 0, 4);
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317 /* is it the mangled iso code? */
318 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
319 if (code > 138) {
320 for (i = 2; i >= 0; i--) {
321 to[i] = 0x60 + (code & 0x1f);
322 code >>= 5;
323 }
324 return 1;
325 }
326 /* old fashion apple lang code */
37d3e066 327 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
e40ee6a2 328 return 0;
029ddf33 329 if (!mov_mdhd_language_map[code][0])
e40ee6a2 330 return 0;
029ddf33 331 memcpy(to, mov_mdhd_language_map[code], 4);
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332 return 1;
333}
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334
335int ff_mp4_read_descr_len(ByteIOContext *pb)
336{
337 int len = 0;
338 int count = 4;
339 while (count--) {
340 int c = get_byte(pb);
341 len = (len << 7) | (c & 0x7f);
342 if (!(c & 0x80))
343 break;
344 }
345 return len;
346}
347
348int ff_mp4_read_descr(AVFormatContext *fc, ByteIOContext *pb, int *tag)
349{
350 int len;
351 *tag = get_byte(pb);
352 len = ff_mp4_read_descr_len(pb);
353 dprintf(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
354 return len;
355}
356
357static const AVCodecTag mp4_audio_types[] = {
358 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
359 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
360 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
361 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
362 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
363 { CODEC_ID_NONE, AOT_NULL },
364};
365
366int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, ByteIOContext *pb)
367{
368 int len, tag;
369 int object_type_id = get_byte(pb);
370 get_byte(pb); /* stream type */
371 get_be24(pb); /* buffer size db */
372 get_be32(pb); /* max bitrate */
373 get_be32(pb); /* avg bitrate */
374
375 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
376 dprintf(fc, "esds object type id 0x%02x\n", object_type_id);
377 len = ff_mp4_read_descr(fc, pb, &tag);
378 if (tag == MP4DecSpecificDescrTag) {
379 dprintf(fc, "Specific MPEG4 header len=%d\n", len);
380 if((uint64_t)len > (1<<30))
381 return -1;
382 av_free(st->codec->extradata);
383 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
384 if (!st->codec->extradata)
385 return AVERROR(ENOMEM);
386 get_buffer(pb, st->codec->extradata, len);
387 st->codec->extradata_size = len;
388 if (st->codec->codec_id == CODEC_ID_AAC) {
389 MPEG4AudioConfig cfg;
390 ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
391 st->codec->extradata_size);
392 st->codec->channels = cfg.channels;
393 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
394 st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
395 else if (cfg.ext_sample_rate)
396 st->codec->sample_rate = cfg.ext_sample_rate;
397 else
398 st->codec->sample_rate = cfg.sample_rate;
399 dprintf(fc, "mp4a config channels %d obj %d ext obj %d "
400 "sample rate %d ext sample rate %d\n", st->codec->channels,
401 cfg.object_type, cfg.ext_object_type,
402 cfg.sample_rate, cfg.ext_sample_rate);
403 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
404 cfg.object_type)))
405 st->codec->codec_id = CODEC_ID_AAC;
406 }
407 }
408 return 0;
409}