Unset variable fps for mov and mp4 muxer, they support it
[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
24#include "avformat.h"
80b39e1c 25#include "internal.h"
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26#include "isom.h"
27
7555d2e6 28/* http://www.mp4ra.org */
efc9e44d 29/* ordered by muxing preference */
ccba88d7 30const AVCodecTag ff_mp4_obj_type[] = {
f6204886 31 { CODEC_ID_MOV_TEXT , 0x08 },
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32 { CODEC_ID_MPEG4 , 0x20 },
33 { CODEC_ID_H264 , 0x21 },
34 { CODEC_ID_AAC , 0x40 },
c3988a59 35 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
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36 { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
37 { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
38 { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
39 { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */
40 { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */
41 { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */
42 { CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */
43 { CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */
44 { CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */
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45 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */
46 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */
5180b027 47 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
2f980d2a 48 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */
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49 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */
50 { CODEC_ID_PNG , 0x6D },
51 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */
52 { CODEC_ID_VC1 , 0xA3 },
c3b13251 53 { CODEC_ID_DIRAC , 0xA4 },
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54 { CODEC_ID_AC3 , 0xA5 },
55 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
56 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
57 { CODEC_ID_QCELP , 0xE1 },
bc2d2a07 58 { CODEC_ID_NONE , 0 },
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59};
60
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61const AVCodecTag codec_movvideo_tags[] = {
62/* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
63
64 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
3dd2f87e 65 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
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66 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
67 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
42022e03 68 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
1e5f5e3b 69
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70 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
71 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
72 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
73 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
74 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
75 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
76 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
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77 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
78 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
414ba8e3 79
43836928 80 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
4aaab0a3 81 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
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82 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
83
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84 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
85 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
86 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
87/* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
c3ebc833 88 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
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89 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
90
91 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
92 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
93 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
94 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
95
96 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
97 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
98 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
99 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
100
101 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
102 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
103
104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
105 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
106 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
107 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
108 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
109 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
bea6c1ec 110 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
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111 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
112 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
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113 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
114 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
115 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
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116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
118 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
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119
120 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
121 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
122 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
123 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
124 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
125 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
126 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
127 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
128
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129 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
130
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131 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
132
3432c263 133 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
1e5f5e3b 134 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
d8e45640 135 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
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136 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
137 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
138 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
139 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
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140 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
141 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
142 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
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143 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
144 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
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145 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
146 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
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147 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
148 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
c9b87628 149 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
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150 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
151 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
152 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
153 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
154 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
155 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
156 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
157 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
8d27c5f8 158 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
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159 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
160 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
163 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
164 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
1e5f5e3b 172 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
1e5f5e3b 173
18cb36fd 174 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
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175
176 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
177 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
178 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
179 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
180
181 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
d4fdba0d 182 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
1e5f5e3b 183
c3b13251 184 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
c06136e0 185 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
a0ae3e41 186 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
59ea69ef 187 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
2d99eed1 188 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
94d3d6a4 189 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
c06136e0 190
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191 { CODEC_ID_NONE, 0 },
192};
193
194const AVCodecTag codec_movaudio_tags[] = {
195 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
196 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
197 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
198 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
199 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
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200 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
201 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
a1ef2c4b 202 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
7c4b7d0f 203 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
a1ef2c4b 204 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
7c4b7d0f 205 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
36264d35 206 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
1e5f5e3b 207 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
bffcf2eb 208 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
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209 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
210 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
211
212 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
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213
214 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
215 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
216
0b389aee 217 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
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218 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
219
1e5f5e3b 220 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
0174f514 221 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
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222
223/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
224
225 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
d4a240cb 226 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
34edd994 227 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
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228
229 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
230 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
231
5610f20e 232 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
1e5f5e3b 233 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
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234
235 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
be43ae66 236 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
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237 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
238
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239 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
240
241 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
242 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
243
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244 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
245
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246 { CODEC_ID_NONE, 0 },
247};
248
1e3c9307 249const AVCodecTag ff_codec_movsubtitle_tags[] = {
cc8c2c6a 250 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
eb3ba13b 251 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
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252 { CODEC_ID_NONE, 0 },
253};
254
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255/* map numeric codes from mdhd atom to ISO 639 */
256/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
257/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
258/* deprecated by putting the code as 3*5bit ascii */
029ddf33 259static const char mov_mdhd_language_map[][4] = {
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260 /* 0-9 */
261 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
262 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
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263 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
264 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
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265 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
266 /*?*/
029ddf33 267 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
e40ee6a2 268 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
029ddf33 269 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
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270 /* roman? arabic? */
271 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
272 /*==rundi?*/
029ddf33 273 "", "run", "", "mlg", "epo", "", "", "", "", "",
e40ee6a2 274 /* 100 */
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275 "", "", "", "", "", "", "", "", "", "",
276 "", "", "", "", "", "", "", "", "", "",
277 "", "", "", "", "", "", "", "", "wel", "baq",
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278 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
279};
280
1c90d298 281int ff_mov_iso639_to_lang(const char lang[4], int mp4)
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282{
283 int i, code = 0;
284
285 /* old way, only for QT? */
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286 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
287 if (!strcmp(lang, mov_mdhd_language_map[i]))
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288 return i;
289 }
290 /* XXX:can we do that in mov too? */
291 if (!mp4)
2904fd39 292 return -1;
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293 /* handle undefined as such */
294 if (lang[0] == '\0')
295 lang = "und";
296 /* 5bit ascii */
297 for (i = 0; i < 3; i++) {
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298 uint8_t c = lang[i];
299 c -= 0x60;
300 if (c > 0x1f)
2904fd39 301 return -1;
e40ee6a2 302 code <<= 5;
832ec428 303 code |= c;
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304 }
305 return code;
306}
307
1c90d298 308int ff_mov_lang_to_iso639(unsigned code, char to[4])
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309{
310 int i;
1c90d298 311 memset(to, 0, 4);
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312 /* is it the mangled iso code? */
313 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
314 if (code > 138) {
315 for (i = 2; i >= 0; i--) {
316 to[i] = 0x60 + (code & 0x1f);
317 code >>= 5;
318 }
319 return 1;
320 }
321 /* old fashion apple lang code */
37d3e066 322 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
e40ee6a2 323 return 0;
029ddf33 324 if (!mov_mdhd_language_map[code][0])
e40ee6a2 325 return 0;
029ddf33 326 memcpy(to, mov_mdhd_language_map[code], 4);
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327 return 1;
328}