792c206678bae4505f5316f4f12af4946e71f2ae
[libav.git] / libavformat / riff.c
1 /*
2 * RIFF codec tags
3 * Copyright (c) 2000 Fabrice Bellard
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "libavcodec/avcodec.h"
23 #include "avformat.h"
24 #include "avio_internal.h"
25 #include "riff.h"
26 #include "libavcodec/bytestream.h"
27
28 /* Note: when encoding, the first matching tag is used, so order is
29 important if multiple tags possible for a given codec. */
30 const AVCodecTag ff_codec_bmp_tags[] = {
31 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
32 { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
33 { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
34 { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
35 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
36 { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
37 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
38 { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
39 { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
40 { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
41 { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
42 { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
43 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
44 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
45 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
46 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
47 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
48 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
49 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
50 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
51 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
52 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
53 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
54 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
55 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
56 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
57 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
58 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
59 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
60 { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
61 { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
62 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
63 { CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
64 { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
65 { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
66 { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
67 { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
68 { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
69 { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
70 { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
71 { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
72 { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
73 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
74 { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
75 { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
76 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
77 { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
78 { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
79 { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
80 { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
81 { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
82 { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
83 { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
84 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
85 { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
86 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
87 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
88 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
89 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
90 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
91 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
92 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
93 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
94 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
95 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
96 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
97 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
98 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
99 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
100 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
101 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
102 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
103 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
105 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
106 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
107 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
108 { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
109 { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
110 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
111 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
112 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
113 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
114 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
115 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
116 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
117 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
118 { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
119 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
120 { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
121 { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
122 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
123 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
124 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
125 { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
126 { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
127 { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
128 { CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
129 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
130 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
131 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
132 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
133 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
134 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
135 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
136 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
137 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
138 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
139 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
140 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
141 { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
142 { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
143 { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
144 { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
145 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
146 { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
147 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
148 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
149 { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
150 { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
151 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
152 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
153 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
154 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
155 { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
156 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
157 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
158 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
159 { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
160 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
161 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
162 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
163 { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
164 { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
165 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
166 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
167 { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
168 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
169 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
170 { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
171 { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
172 { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
173 { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
174 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
175 { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
176 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
177 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
178 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
179 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') },
180 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') },
181 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
182 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
183 { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
184 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
185 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
186 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
187 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
188 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
189 { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
190 { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
191 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
192 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
193 { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
194 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
195 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
196 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
197 { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
198 { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
199 { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
200 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
201 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
202 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
203 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
204 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
205 { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
206 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
207 { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
208 { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
209 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
210 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
211 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
212 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
213 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
214 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
215 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
216 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
217 { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
218 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
219 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
220 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
221 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
222 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
223 { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
224 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
225 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
226 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
227 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
228 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
229 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
230 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
231 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
232 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
233 { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
234 { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
235 { CODEC_ID_VC1, MKTAG('W', 'V', 'P', '2') },
236 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
237 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
238 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
239 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
240 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
241 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
242 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
243 { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
244 { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
245 { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
246 { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
247 { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
248 { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
249 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
250 { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
251 { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
252 { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
253 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
254 { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
255 { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
256 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
257 { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
258 { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
259 { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
260 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
261 { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
262 { CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
263 { CODEC_ID_NONE, 0 }
264 };
265
266 const AVCodecTag ff_codec_wav_tags[] = {
267 { CODEC_ID_PCM_S16LE, 0x0001 },
268 { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
269 { CODEC_ID_PCM_S24LE, 0x0001 },
270 { CODEC_ID_PCM_S32LE, 0x0001 },
271 { CODEC_ID_ADPCM_MS, 0x0002 },
272 { CODEC_ID_PCM_F32LE, 0x0003 },
273 { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
274 { CODEC_ID_PCM_ALAW, 0x0006 },
275 { CODEC_ID_PCM_MULAW, 0x0007 },
276 { CODEC_ID_WMAVOICE, 0x000A },
277 { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
278 { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
279 { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
280 { CODEC_ID_TRUESPEECH, 0x0022 },
281 { CODEC_ID_GSM_MS, 0x0031 },
282 { CODEC_ID_ADPCM_G726, 0x0045 },
283 { CODEC_ID_MP2, 0x0050 },
284 { CODEC_ID_MP3, 0x0055 },
285 { CODEC_ID_AMR_NB, 0x0057 },
286 { CODEC_ID_AMR_WB, 0x0058 },
287 { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
288 { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
289 { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
290 { CODEC_ID_VOXWARE, 0x0075 },
291 { CODEC_ID_AAC, 0x00ff },
292 { CODEC_ID_SIPR, 0x0130 },
293 { CODEC_ID_WMAV1, 0x0160 },
294 { CODEC_ID_WMAV2, 0x0161 },
295 { CODEC_ID_WMAPRO, 0x0162 },
296 { CODEC_ID_WMALOSSLESS, 0x0163 },
297 { CODEC_ID_ADPCM_CT, 0x0200 },
298 { CODEC_ID_ATRAC3, 0x0270 },
299 { CODEC_ID_ADPCM_G722, 0x028F },
300 { CODEC_ID_IMC, 0x0401 },
301 { CODEC_ID_GSM_MS, 0x1500 },
302 { CODEC_ID_TRUESPEECH, 0x1501 },
303 { CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */
304 { CODEC_ID_AAC_LATM, 0x1602 },
305 { CODEC_ID_AC3, 0x2000 },
306 { CODEC_ID_DTS, 0x2001 },
307 { CODEC_ID_SONIC, 0x2048 },
308 { CODEC_ID_SONIC_LS, 0x2048 },
309 { CODEC_ID_PCM_MULAW, 0x6c75 },
310 { CODEC_ID_AAC, 0x706d },
311 { CODEC_ID_AAC, 0x4143 },
312 { CODEC_ID_FLAC, 0xF1AC },
313 { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
314 { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
315
316 /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
317 // for NuppelVideo (nuv.c)
318 { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
319 { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
320 { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
321 { CODEC_ID_NONE, 0 },
322 };
323
324 #if CONFIG_MUXERS
325 int64_t ff_start_tag(AVIOContext *pb, const char *tag)
326 {
327 ffio_wfourcc(pb, tag);
328 avio_wl32(pb, 0);
329 return avio_tell(pb);
330 }
331
332 void ff_end_tag(AVIOContext *pb, int64_t start)
333 {
334 int64_t pos;
335
336 pos = avio_tell(pb);
337 avio_seek(pb, start - 4, SEEK_SET);
338 avio_wl32(pb, (uint32_t)(pos - start));
339 avio_seek(pb, pos, SEEK_SET);
340 }
341
342 /* WAVEFORMATEX header */
343 /* returns the size or -1 on error */
344 int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
345 {
346 int bps, blkalign, bytespersec;
347 int hdrsize = 18;
348 int waveformatextensible;
349 uint8_t temp[256];
350 uint8_t *riff_extradata= temp;
351 uint8_t *riff_extradata_start= temp;
352
353 if(!enc->codec_tag || enc->codec_tag > 0xffff)
354 return -1;
355 waveformatextensible = (enc->channels > 2 && enc->channel_layout)
356 || enc->sample_rate > 48000
357 || av_get_bits_per_sample(enc->codec_id) > 16;
358
359 if (waveformatextensible) {
360 avio_wl16(pb, 0xfffe);
361 } else {
362 avio_wl16(pb, enc->codec_tag);
363 }
364 avio_wl16(pb, enc->channels);
365 avio_wl32(pb, enc->sample_rate);
366 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
367 bps = 0;
368 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
369 bps = 4;
370 } else {
371 if (!(bps = av_get_bits_per_sample(enc->codec_id)))
372 bps = 16; // default to 16
373 }
374 if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
375 av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
376 }
377
378 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
379 blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
380 //blkalign = 144 * enc->bit_rate/enc->sample_rate;
381 } else if (enc->codec_id == CODEC_ID_AC3) {
382 blkalign = 3840; //maximum bytes per frame
383 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
384 blkalign = 1;
385 } else if (enc->block_align != 0) { /* specified by the codec */
386 blkalign = enc->block_align;
387 } else
388 blkalign = enc->channels*bps >> 3;
389 if (enc->codec_id == CODEC_ID_PCM_U8 ||
390 enc->codec_id == CODEC_ID_PCM_S24LE ||
391 enc->codec_id == CODEC_ID_PCM_S32LE ||
392 enc->codec_id == CODEC_ID_PCM_F32LE ||
393 enc->codec_id == CODEC_ID_PCM_F64LE ||
394 enc->codec_id == CODEC_ID_PCM_S16LE) {
395 bytespersec = enc->sample_rate * blkalign;
396 } else {
397 bytespersec = enc->bit_rate / 8;
398 }
399 avio_wl32(pb, bytespersec); /* bytes per second */
400 avio_wl16(pb, blkalign); /* block align */
401 avio_wl16(pb, bps); /* bits per sample */
402 if (enc->codec_id == CODEC_ID_MP3) {
403 hdrsize += 12;
404 bytestream_put_le16(&riff_extradata, 1); /* wID */
405 bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
406 bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
407 bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
408 bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
409 } else if (enc->codec_id == CODEC_ID_MP2) {
410 hdrsize += 22;
411 bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
412 bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
413 bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
414 bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
415 bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
416 bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
417 bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
418 bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
419 } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
420 hdrsize += 2;
421 bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
422 } else if(enc->extradata_size){
423 riff_extradata_start= enc->extradata;
424 riff_extradata= enc->extradata + enc->extradata_size;
425 hdrsize += enc->extradata_size;
426 } else if (!waveformatextensible){
427 hdrsize -= 2;
428 }
429 if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
430 hdrsize += 22;
431 avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
432 avio_wl16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
433 avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
434 avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
435 avio_wl32(pb, 0x00100000);
436 avio_wl32(pb, 0xAA000080);
437 avio_wl32(pb, 0x719B3800);
438 } else if(riff_extradata - riff_extradata_start) {
439 avio_wl16(pb, riff_extradata - riff_extradata_start);
440 }
441 avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
442 if(hdrsize&1){
443 hdrsize++;
444 avio_w8(pb, 0);
445 }
446
447 return hdrsize;
448 }
449
450 /* BITMAPINFOHEADER header */
451 void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
452 {
453 avio_wl32(pb, 40 + enc->extradata_size); /* size */
454 avio_wl32(pb, enc->width);
455 //We always store RGB TopDown
456 avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
457 avio_wl16(pb, 1); /* planes */
458
459 avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
460 /* compression type */
461 avio_wl32(pb, enc->codec_tag);
462 avio_wl32(pb, enc->width * enc->height * 3);
463 avio_wl32(pb, 0);
464 avio_wl32(pb, 0);
465 avio_wl32(pb, 0);
466 avio_wl32(pb, 0);
467
468 avio_write(pb, enc->extradata, enc->extradata_size);
469
470 if (!for_asf && enc->extradata_size & 1)
471 avio_w8(pb, 0);
472 }
473 #endif //CONFIG_MUXERS
474
475 #if CONFIG_DEMUXERS
476 /* We could be given one of the three possible structures here:
477 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
478 * is an expansion of the previous one with the fields added
479 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
480 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
481 * an openended structure.
482 */
483 void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
484 {
485 int id;
486
487 id = avio_rl16(pb);
488 codec->codec_type = AVMEDIA_TYPE_AUDIO;
489 codec->codec_tag = id;
490 codec->channels = avio_rl16(pb);
491 codec->sample_rate = avio_rl32(pb);
492 codec->bit_rate = avio_rl32(pb) * 8;
493 codec->block_align = avio_rl16(pb);
494 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
495 codec->bits_per_coded_sample = 8;
496 }else
497 codec->bits_per_coded_sample = avio_rl16(pb);
498 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
499 int cbSize = avio_rl16(pb); /* cbSize */
500 size -= 18;
501 cbSize = FFMIN(size, cbSize);
502 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
503 codec->bits_per_coded_sample = avio_rl16(pb);
504 codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
505 id = avio_rl32(pb); /* 4 first bytes of GUID */
506 avio_skip(pb, 12); /* skip end of GUID */
507 cbSize -= 22;
508 size -= 22;
509 }
510 codec->extradata_size = cbSize;
511 if (cbSize > 0) {
512 codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
513 avio_read(pb, codec->extradata, codec->extradata_size);
514 size -= cbSize;
515 }
516
517 /* It is possible for the chunk to contain garbage at the end */
518 if (size > 0)
519 avio_skip(pb, size);
520 }
521 codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
522 if (codec->codec_id == CODEC_ID_AAC_LATM) {
523 /* channels and sample_rate values are those prior to applying SBR and/or PS */
524 codec->channels = 0;
525 codec->sample_rate = 0;
526 }
527 }
528
529
530 enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
531 {
532 enum CodecID id;
533 id = ff_codec_get_id(ff_codec_wav_tags, tag);
534 if (id <= 0)
535 return id;
536 /* handle specific u8 codec */
537 if (id == CODEC_ID_PCM_S16LE && bps == 8)
538 id = CODEC_ID_PCM_U8;
539 if (id == CODEC_ID_PCM_S16LE && bps == 24)
540 id = CODEC_ID_PCM_S24LE;
541 if (id == CODEC_ID_PCM_S16LE && bps == 32)
542 id = CODEC_ID_PCM_S32LE;
543 if (id == CODEC_ID_PCM_F32LE && bps == 64)
544 id = CODEC_ID_PCM_F64LE;
545 if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
546 id = CODEC_ID_PCM_ZORK;
547 return id;
548 }
549
550 int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
551 {
552 int tag1;
553 avio_rl32(pb); /* size */
554 st->codec->width = avio_rl32(pb);
555 st->codec->height = (int32_t)avio_rl32(pb);
556 avio_rl16(pb); /* planes */
557 st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
558 tag1 = avio_rl32(pb);
559 avio_rl32(pb); /* ImageSize */
560 avio_rl32(pb); /* XPelsPerMeter */
561 avio_rl32(pb); /* YPelsPerMeter */
562 avio_rl32(pb); /* ClrUsed */
563 avio_rl32(pb); /* ClrImportant */
564 return tag1;
565 }
566 #endif // CONFIG_DEMUXERS
567
568 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
569 {
570 int gcd;
571
572 *au_ssize= stream->block_align;
573 if(stream->frame_size && stream->sample_rate){
574 *au_scale=stream->frame_size;
575 *au_rate= stream->sample_rate;
576 }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
577 stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
578 *au_scale= stream->time_base.num;
579 *au_rate = stream->time_base.den;
580 }else{
581 *au_scale= stream->block_align ? stream->block_align*8 : 8;
582 *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
583 }
584 gcd= av_gcd(*au_scale, *au_rate);
585 *au_scale /= gcd;
586 *au_rate /= gcd;
587 }