isom: sort and pretty-print codec_movaudio_tags[]
[libav.git] / libavformat / isom.c
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_DTS , 0xA9 }, /* mp4ra.org */
61 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
62 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
63 { CODEC_ID_QCELP , 0xE1 },
64 { CODEC_ID_MPEG4SYSTEMS, 0x01 },
65 { CODEC_ID_MPEG4SYSTEMS, 0x02 },
66 { CODEC_ID_NONE , 0 },
67 };
68
69 const AVCodecTag codec_movvideo_tags[] = {
70 /* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
71
72 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
73 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
74 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
75 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
76 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
77
78 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
79 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
80 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
81 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
82 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
83 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
84 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
85 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
86 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
87 { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
88
89 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
90 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
91 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
92 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
93
94 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
95 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
96 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
97 /* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
98 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
99 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
100
101 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
102 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
103 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
104 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
105
106 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
107 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
108 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
109 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
110
111 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
112 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
113
114 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
115 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
118 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
119 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
120 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
121 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
122 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
123 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
128 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
129
130 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
131 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
132 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
133 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
134 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
135 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
136 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
137 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
138
139 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
140
141 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
142 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
143 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
144 { CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
145 { CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
146 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
147 { CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
148 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
149 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
150 { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
151 { CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
152 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
153 { CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
154
155 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
156 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
157 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
158 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
159 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
160 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
161 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
162 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
163 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
164 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
165 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
166 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
167 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
168 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
169 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
170 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
182 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
183 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
184 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
185 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
186 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
187 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
188 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
189 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
190 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
191 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
192 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
193 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
194 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
195 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
196
197 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
198
199 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
200 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
201 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
202 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
203
204 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
205 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
206
207 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
208 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
209 { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */
210 { CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
211 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
212 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
213 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
214 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
215
216 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
217 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
218 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
219 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
220 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
221
222 { CODEC_ID_NONE, 0 },
223 };
224
225 const AVCodecTag codec_movaudio_tags[] = {
226 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
227 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
228 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
229 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
230 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
231 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
232 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
233 { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */
234 { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
235 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
236 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
237 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
238 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
239 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
240 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
241 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
242 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
243 { CODEC_ID_MP3, 0x6D730055 },
244 { CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
245 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
246 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
247 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
248 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
249 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
250 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
251 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
252 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
253 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
254 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
255 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
256 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
257 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
258 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
259 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
260 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
261 { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
262 { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
263 { CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
264 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
265 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
266 { CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
267 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
268 { CODEC_ID_NONE, 0 },
269 };
270
271 const AVCodecTag ff_codec_movsubtitle_tags[] = {
272 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
273 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
274 { CODEC_ID_NONE, 0 },
275 };
276
277 /* map numeric codes from mdhd atom to ISO 639 */
278 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
279 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
280 /* deprecated by putting the code as 3*5bit ascii */
281 static const char mov_mdhd_language_map[][4] = {
282 /* 0-9 */
283 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
284 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
285 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
286 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
287 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
288 /*?*/
289 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
290 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
291 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
292 /* roman? arabic? */
293 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
294 /*==rundi?*/
295 "", "run", "", "mlg", "epo", "", "", "", "", "",
296 /* 100 */
297 "", "", "", "", "", "", "", "", "", "",
298 "", "", "", "", "", "", "", "", "", "",
299 "", "", "", "", "", "", "", "", "wel", "baq",
300 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
301 };
302
303 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
304 {
305 int i, code = 0;
306
307 /* old way, only for QT? */
308 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
309 if (!strcmp(lang, mov_mdhd_language_map[i]))
310 return i;
311 }
312 /* XXX:can we do that in mov too? */
313 if (!mp4)
314 return -1;
315 /* handle undefined as such */
316 if (lang[0] == '\0')
317 lang = "und";
318 /* 5bit ascii */
319 for (i = 0; i < 3; i++) {
320 uint8_t c = lang[i];
321 c -= 0x60;
322 if (c > 0x1f)
323 return -1;
324 code <<= 5;
325 code |= c;
326 }
327 return code;
328 }
329
330 int ff_mov_lang_to_iso639(unsigned code, char to[4])
331 {
332 int i;
333 memset(to, 0, 4);
334 /* is it the mangled iso code? */
335 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
336 if (code > 138) {
337 for (i = 2; i >= 0; i--) {
338 to[i] = 0x60 + (code & 0x1f);
339 code >>= 5;
340 }
341 return 1;
342 }
343 /* old fashion apple lang code */
344 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
345 return 0;
346 if (!mov_mdhd_language_map[code][0])
347 return 0;
348 memcpy(to, mov_mdhd_language_map[code], 4);
349 return 1;
350 }
351
352 int ff_mp4_read_descr_len(AVIOContext *pb)
353 {
354 int len = 0;
355 int count = 4;
356 while (count--) {
357 int c = avio_r8(pb);
358 len = (len << 7) | (c & 0x7f);
359 if (!(c & 0x80))
360 break;
361 }
362 return len;
363 }
364
365 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
366 {
367 int len;
368 *tag = avio_r8(pb);
369 len = ff_mp4_read_descr_len(pb);
370 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
371 return len;
372 }
373
374 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
375 {
376 int flags;
377 if (es_id) *es_id = avio_rb16(pb);
378 else avio_rb16(pb);
379 flags = avio_r8(pb);
380 if (flags & 0x80) //streamDependenceFlag
381 avio_rb16(pb);
382 if (flags & 0x40) { //URL_Flag
383 int len = avio_r8(pb);
384 avio_skip(pb, len);
385 }
386 if (flags & 0x20) //OCRstreamFlag
387 avio_rb16(pb);
388 }
389
390 static const AVCodecTag mp4_audio_types[] = {
391 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
392 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
393 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
394 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
395 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
396 { CODEC_ID_NONE, AOT_NULL },
397 };
398
399 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
400 {
401 int len, tag;
402 int object_type_id = avio_r8(pb);
403 avio_r8(pb); /* stream type */
404 avio_rb24(pb); /* buffer size db */
405 avio_rb32(pb); /* max bitrate */
406 avio_rb32(pb); /* avg bitrate */
407
408 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
409 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
410 len = ff_mp4_read_descr(fc, pb, &tag);
411 if (tag == MP4DecSpecificDescrTag) {
412 av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
413 if (!len || (uint64_t)len > (1<<30))
414 return -1;
415 av_free(st->codec->extradata);
416 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
417 if (!st->codec->extradata)
418 return AVERROR(ENOMEM);
419 avio_read(pb, st->codec->extradata, len);
420 st->codec->extradata_size = len;
421 if (st->codec->codec_id == CODEC_ID_AAC) {
422 MPEG4AudioConfig cfg;
423 avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
424 st->codec->extradata_size * 8, 1);
425 st->codec->channels = cfg.channels;
426 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
427 st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
428 else if (cfg.ext_sample_rate)
429 st->codec->sample_rate = cfg.ext_sample_rate;
430 else
431 st->codec->sample_rate = cfg.sample_rate;
432 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
433 "sample rate %d ext sample rate %d\n", st->codec->channels,
434 cfg.object_type, cfg.ext_object_type,
435 cfg.sample_rate, cfg.ext_sample_rate);
436 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
437 cfg.object_type)))
438 st->codec->codec_id = CODEC_ID_AAC;
439 }
440 }
441 return 0;
442 }