Lagarith decoder by Nathan Caldwell, saintdev at gmail
[libav.git] / libavformat / riff.c
1 /*
2 * RIFF codec tags
3 * Copyright (c) 2000 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 "riff.h"
25 #include "libavcodec/bytestream.h"
26
27 /* Note: when encoding, the first matching tag is used, so order is
28 important if multiple tags possible for a given codec. */
29 const AVCodecTag ff_codec_bmp_tags[] = {
30 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
31 { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
32 { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
33 { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
34 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
35 { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
36 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
37 { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
38 { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
39 { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
40 { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
41 { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
42 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
43 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
44 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
45 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
46 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
47 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
48 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
49 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
50 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
51 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
52 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
53 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
54 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
55 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
56 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
57 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
58 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
59 { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
60 { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
61 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
62 { CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
63 { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
64 { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
65 { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
66 { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
67 { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
68 { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
69 { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
70 { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
71 { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
72 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
73 { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
74 { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
75 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
76 { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
77 { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
78 { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
79 { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
80 { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
81 { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
82 { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
83 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
84 { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
85 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
86 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
87 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
88 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
89 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
90 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
91 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
92 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
93 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
94 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
95 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
96 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
97 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
98 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
99 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
100 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
101 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
102 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
103 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
105 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
106 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
107 { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
108 { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
109 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
110 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
111 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
112 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
113 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
114 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
115 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
116 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
117 { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
118 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
119 { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
120 { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
121 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
122 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
123 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
124 { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
125 { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
126 { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
127 { CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
128 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
129 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
130 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
131 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
132 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
133 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
134 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
135 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
136 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
137 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
138 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
139 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
140 { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
141 { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
142 { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
143 { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
144 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
145 { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
146 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
147 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
148 { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
149 { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
150 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
151 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
152 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
153 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
154 { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
155 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
156 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
157 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
158 { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
159 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
160 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
161 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
162 { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
163 { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
164 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
165 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
166 { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
167 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
168 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
169 { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
170 { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
171 { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
172 { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
173 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
174 { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
175 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
176 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
177 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
178 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') },
179 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') },
180 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
181 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
182 { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
183 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
184 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
185 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
186 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
187 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
188 { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
189 { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
190 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
191 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
192 { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
193 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
194 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
195 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
196 { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
197 { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
198 { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
199 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
200 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
201 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
202 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
203 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
204 { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
205 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
206 { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
207 { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
208 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
209 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
210 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
211 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
212 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
213 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
214 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
215 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
216 { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
217 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
218 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
219 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
220 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
221 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
222 { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
223 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
224 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
225 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
226 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
227 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
228 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
229 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
230 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
231 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
232 { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
233 { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
234 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
235 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
236 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
237 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
238 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
239 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
240 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
241 { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
242 { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
243 { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
244 { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
245 { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
246 { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
247 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
248 { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
249 { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
250 { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
251 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
252 { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
253 { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
254 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
255 { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
256 { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
257 { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
258 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
259 { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
260 { CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
261 { CODEC_ID_NONE, 0 }
262 };
263
264 const AVCodecTag ff_codec_wav_tags[] = {
265 { CODEC_ID_PCM_S16LE, 0x0001 },
266 { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
267 { CODEC_ID_PCM_S24LE, 0x0001 },
268 { CODEC_ID_PCM_S32LE, 0x0001 },
269 { CODEC_ID_ADPCM_MS, 0x0002 },
270 { CODEC_ID_PCM_F32LE, 0x0003 },
271 { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
272 { CODEC_ID_PCM_ALAW, 0x0006 },
273 { CODEC_ID_PCM_MULAW, 0x0007 },
274 { CODEC_ID_WMAVOICE, 0x000A },
275 { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
276 { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
277 { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
278 { CODEC_ID_TRUESPEECH, 0x0022 },
279 { CODEC_ID_GSM_MS, 0x0031 },
280 { CODEC_ID_ADPCM_G726, 0x0045 },
281 { CODEC_ID_MP2, 0x0050 },
282 { CODEC_ID_MP3, 0x0055 },
283 { CODEC_ID_AMR_NB, 0x0057 },
284 { CODEC_ID_AMR_WB, 0x0058 },
285 { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
286 { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
287 { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
288 { CODEC_ID_VOXWARE, 0x0075 },
289 { CODEC_ID_AAC, 0x00ff },
290 { CODEC_ID_SIPR, 0x0130 },
291 { CODEC_ID_WMAV1, 0x0160 },
292 { CODEC_ID_WMAV2, 0x0161 },
293 { CODEC_ID_WMAPRO, 0x0162 },
294 { CODEC_ID_WMALOSSLESS, 0x0163 },
295 { CODEC_ID_ADPCM_CT, 0x0200 },
296 { CODEC_ID_ATRAC3, 0x0270 },
297 { CODEC_ID_ADPCM_G722, 0x028F },
298 { CODEC_ID_IMC, 0x0401 },
299 { CODEC_ID_GSM_MS, 0x1500 },
300 { CODEC_ID_TRUESPEECH, 0x1501 },
301 { CODEC_ID_AC3, 0x2000 },
302 { CODEC_ID_DTS, 0x2001 },
303 { CODEC_ID_SONIC, 0x2048 },
304 { CODEC_ID_SONIC_LS, 0x2048 },
305 { CODEC_ID_PCM_MULAW, 0x6c75 },
306 { CODEC_ID_AAC, 0x706d },
307 { CODEC_ID_AAC, 0x4143 },
308 { CODEC_ID_FLAC, 0xF1AC },
309 { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
310 { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
311
312 /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
313 // for NuppelVideo (nuv.c)
314 { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
315 { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
316 { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
317 { CODEC_ID_NONE, 0 },
318 };
319
320 #if CONFIG_MUXERS
321 int64_t ff_start_tag(ByteIOContext *pb, const char *tag)
322 {
323 put_tag(pb, tag);
324 put_le32(pb, 0);
325 return url_ftell(pb);
326 }
327
328 void ff_end_tag(ByteIOContext *pb, int64_t start)
329 {
330 int64_t pos;
331
332 pos = url_ftell(pb);
333 url_fseek(pb, start - 4, SEEK_SET);
334 put_le32(pb, (uint32_t)(pos - start));
335 url_fseek(pb, pos, SEEK_SET);
336 }
337
338 /* WAVEFORMATEX header */
339 /* returns the size or -1 on error */
340 int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
341 {
342 int bps, blkalign, bytespersec;
343 int hdrsize = 18;
344 int waveformatextensible;
345 uint8_t temp[256];
346 uint8_t *riff_extradata= temp;
347 uint8_t *riff_extradata_start= temp;
348
349 if(!enc->codec_tag || enc->codec_tag > 0xffff)
350 return -1;
351 waveformatextensible = (enc->channels > 2 && enc->channel_layout)
352 || enc->sample_rate > 48000
353 || av_get_bits_per_sample(enc->codec_id) > 16;
354
355 if (waveformatextensible) {
356 put_le16(pb, 0xfffe);
357 } else {
358 put_le16(pb, enc->codec_tag);
359 }
360 put_le16(pb, enc->channels);
361 put_le32(pb, enc->sample_rate);
362 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
363 bps = 0;
364 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
365 bps = 4;
366 } else {
367 if (!(bps = av_get_bits_per_sample(enc->codec_id)))
368 bps = 16; // default to 16
369 }
370 if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
371 av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
372 }
373
374 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
375 blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
376 //blkalign = 144 * enc->bit_rate/enc->sample_rate;
377 } else if (enc->codec_id == CODEC_ID_AC3) {
378 blkalign = 3840; //maximum bytes per frame
379 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
380 blkalign = 1;
381 } else if (enc->block_align != 0) { /* specified by the codec */
382 blkalign = enc->block_align;
383 } else
384 blkalign = enc->channels*bps >> 3;
385 if (enc->codec_id == CODEC_ID_PCM_U8 ||
386 enc->codec_id == CODEC_ID_PCM_S24LE ||
387 enc->codec_id == CODEC_ID_PCM_S32LE ||
388 enc->codec_id == CODEC_ID_PCM_F32LE ||
389 enc->codec_id == CODEC_ID_PCM_F64LE ||
390 enc->codec_id == CODEC_ID_PCM_S16LE) {
391 bytespersec = enc->sample_rate * blkalign;
392 } else {
393 bytespersec = enc->bit_rate / 8;
394 }
395 put_le32(pb, bytespersec); /* bytes per second */
396 put_le16(pb, blkalign); /* block align */
397 put_le16(pb, bps); /* bits per sample */
398 if (enc->codec_id == CODEC_ID_MP3) {
399 hdrsize += 12;
400 bytestream_put_le16(&riff_extradata, 1); /* wID */
401 bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
402 bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
403 bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
404 bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
405 } else if (enc->codec_id == CODEC_ID_MP2) {
406 hdrsize += 22;
407 bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
408 bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
409 bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
410 bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
411 bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
412 bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
413 bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
414 bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
415 } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
416 hdrsize += 2;
417 bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
418 } else if(enc->extradata_size){
419 riff_extradata_start= enc->extradata;
420 riff_extradata= enc->extradata + enc->extradata_size;
421 hdrsize += enc->extradata_size;
422 } else if (!waveformatextensible){
423 hdrsize -= 2;
424 }
425 if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
426 hdrsize += 22;
427 put_le16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
428 put_le16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
429 put_le32(pb, enc->channel_layout); /* dwChannelMask */
430 put_le32(pb, enc->codec_tag); /* GUID + next 3 */
431 put_le32(pb, 0x00100000);
432 put_le32(pb, 0xAA000080);
433 put_le32(pb, 0x719B3800);
434 } else if(riff_extradata - riff_extradata_start) {
435 put_le16(pb, riff_extradata - riff_extradata_start);
436 }
437 put_buffer(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
438 if(hdrsize&1){
439 hdrsize++;
440 put_byte(pb, 0);
441 }
442
443 return hdrsize;
444 }
445
446 /* BITMAPINFOHEADER header */
447 void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
448 {
449 put_le32(pb, 40 + enc->extradata_size); /* size */
450 put_le32(pb, enc->width);
451 //We always store RGB TopDown
452 put_le32(pb, enc->codec_tag ? enc->height : -enc->height);
453 put_le16(pb, 1); /* planes */
454
455 put_le16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
456 /* compression type */
457 put_le32(pb, enc->codec_tag);
458 put_le32(pb, enc->width * enc->height * 3);
459 put_le32(pb, 0);
460 put_le32(pb, 0);
461 put_le32(pb, 0);
462 put_le32(pb, 0);
463
464 put_buffer(pb, enc->extradata, enc->extradata_size);
465
466 if (!for_asf && enc->extradata_size & 1)
467 put_byte(pb, 0);
468 }
469 #endif //CONFIG_MUXERS
470
471 #if CONFIG_DEMUXERS
472 /* We could be given one of the three possible structures here:
473 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
474 * is an expansion of the previous one with the fields added
475 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
476 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
477 * an openended structure.
478 */
479 void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size)
480 {
481 int id;
482
483 id = get_le16(pb);
484 codec->codec_type = AVMEDIA_TYPE_AUDIO;
485 codec->codec_tag = id;
486 codec->channels = get_le16(pb);
487 codec->sample_rate = get_le32(pb);
488 codec->bit_rate = get_le32(pb) * 8;
489 codec->block_align = get_le16(pb);
490 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
491 codec->bits_per_coded_sample = 8;
492 }else
493 codec->bits_per_coded_sample = get_le16(pb);
494 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
495 int cbSize = get_le16(pb); /* cbSize */
496 size -= 18;
497 cbSize = FFMIN(size, cbSize);
498 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
499 codec->bits_per_coded_sample = get_le16(pb);
500 codec->channel_layout = get_le32(pb); /* dwChannelMask */
501 id = get_le32(pb); /* 4 first bytes of GUID */
502 url_fskip(pb, 12); /* skip end of GUID */
503 cbSize -= 22;
504 size -= 22;
505 }
506 codec->extradata_size = cbSize;
507 if (cbSize > 0) {
508 codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
509 get_buffer(pb, codec->extradata, codec->extradata_size);
510 size -= cbSize;
511 }
512
513 /* It is possible for the chunk to contain garbage at the end */
514 if (size > 0)
515 url_fskip(pb, size);
516 }
517 codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
518 }
519
520
521 enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
522 {
523 enum CodecID id;
524 id = ff_codec_get_id(ff_codec_wav_tags, tag);
525 if (id <= 0)
526 return id;
527 /* handle specific u8 codec */
528 if (id == CODEC_ID_PCM_S16LE && bps == 8)
529 id = CODEC_ID_PCM_U8;
530 if (id == CODEC_ID_PCM_S16LE && bps == 24)
531 id = CODEC_ID_PCM_S24LE;
532 if (id == CODEC_ID_PCM_S16LE && bps == 32)
533 id = CODEC_ID_PCM_S32LE;
534 if (id == CODEC_ID_PCM_F32LE && bps == 64)
535 id = CODEC_ID_PCM_F64LE;
536 if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
537 id = CODEC_ID_PCM_ZORK;
538 return id;
539 }
540
541 int ff_get_bmp_header(ByteIOContext *pb, AVStream *st)
542 {
543 int tag1;
544 get_le32(pb); /* size */
545 st->codec->width = get_le32(pb);
546 st->codec->height = (int32_t)get_le32(pb);
547 get_le16(pb); /* planes */
548 st->codec->bits_per_coded_sample= get_le16(pb); /* depth */
549 tag1 = get_le32(pb);
550 get_le32(pb); /* ImageSize */
551 get_le32(pb); /* XPelsPerMeter */
552 get_le32(pb); /* YPelsPerMeter */
553 get_le32(pb); /* ClrUsed */
554 get_le32(pb); /* ClrImportant */
555 return tag1;
556 }
557 #endif // CONFIG_DEMUXERS
558
559 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
560 {
561 int gcd;
562
563 *au_ssize= stream->block_align;
564 if(stream->frame_size && stream->sample_rate){
565 *au_scale=stream->frame_size;
566 *au_rate= stream->sample_rate;
567 }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
568 stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
569 *au_scale= stream->time_base.num;
570 *au_rate = stream->time_base.den;
571 }else{
572 *au_scale= stream->block_align ? stream->block_align*8 : 8;
573 *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
574 }
575 gcd= av_gcd(*au_scale, *au_rate);
576 *au_scale /= gcd;
577 *au_rate /= gcd;
578 }