fdee064b80dbac569bcbb1d0aeb13bedd8b4e8fc
[libav.git] / libavformat / riff.c
1 /*
2 * RIFF common functions and data
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 "libavutil/error.h"
23 #include "libavutil/log.h"
24 #include "libavcodec/avcodec.h"
25 #include "avformat.h"
26 #include "avio_internal.h"
27 #include "riff.h"
28 #include "libavcodec/bytestream.h"
29
30 /* Note: When encoding, the first matching tag is used, so order is
31 * important if multiple tags are possible for a given codec. */
32 const AVCodecTag ff_codec_bmp_tags[] = {
33 { AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
34 { AV_CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
35 { AV_CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
36 { AV_CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
37 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
38 { AV_CODEC_ID_H264, MKTAG('D', 'A', 'V', 'C') },
39 { AV_CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
40 { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
41 { AV_CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
42 { AV_CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
43 { AV_CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
44 { AV_CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
45 { AV_CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
46 { AV_CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
47 { AV_CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
48 { AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* Intel H.263 */
49 { AV_CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
50 { AV_CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
51 { AV_CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
52 { AV_CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
53 { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
54 { AV_CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
55 { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
56 { AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
57 { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
58 /* some broken AVIs use this */
59 { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) },
60 /* some broken AVIs use this */
61 { AV_CODEC_ID_MPEG4, MKTAG('Z', 'M', 'P', '4') },
62 { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
63 { AV_CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
64 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
65 { AV_CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
66 { AV_CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
67 { AV_CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
68 { AV_CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
69 { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
70 /* WaWv MPEG-4 Video Codec */
71 { AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') },
72 { AV_CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
73 { AV_CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
74 { AV_CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
75 { AV_CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
76 { AV_CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
77 { AV_CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
78 { AV_CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
79 { AV_CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
80 { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
81 { AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
82 /* flipped video */
83 { AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') },
84 { AV_CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
85 { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
86 { AV_CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
87 /* Ephv MPEG-4 */
88 { AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') },
89 { AV_CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
90 /* Divio MPEG-4 */
91 { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') },
92 { AV_CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
93 { AV_CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
94 { AV_CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
95 { AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
96 /* Samsung SHR-6040 */
97 { AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') },
98 { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
99 { AV_CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
100 { AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
101 { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
102 { AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
103 { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
104 { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
105 { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
106 { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
107 { AV_CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
108 { AV_CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
109 { AV_CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
110 { AV_CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
111 { AV_CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
112 { AV_CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
113 { AV_CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
114 { AV_CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
115 { AV_CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
116 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
117 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
118 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
119 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
120 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
121 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
122 /* Canopus DV */
123 { AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') },
124 /* Canopus DV */
125 { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') },
126 /* Canopus DV */
127 { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') },
128 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
129 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
130 { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
131 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
132 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
133 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
134 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
135 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
136 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
137 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
138 { AV_CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
139 { AV_CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
140 { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
141 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
142 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
143 /* Lead MPEG-2 in AVI */
144 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') },
145 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
146 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
147 /* Matrox MPEG-2 intra-only */
148 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') },
149 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
150 { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
151 { AV_CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
152 { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
153 { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
154 { AV_CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
155 /* Pegasus lossless JPEG */
156 { AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') },
157 /* JPEG-LS custom FOURCC for AVI - encoder */
158 { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') },
159 { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
160 /* JPEG-LS custom FOURCC for AVI - decoder */
161 { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') },
162 { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
163 { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
164 { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
165 { AV_CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
166 { AV_CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
167 /* SL M-JPEG */
168 { AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') },
169 /* Creative Webcam JPEG */
170 { AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') },
171 /* Intel JPEG Library Video Codec */
172 { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') },
173 /* Midvid JPEG Video Codec */
174 { AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') },
175 { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
176 { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
177 { AV_CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
178 /* Paradigm Matrix M-JPEG Codec */
179 { AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') },
180 { AV_CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') },
181 { AV_CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
182 { AV_CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
183 { AV_CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
184 { AV_CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
185 { AV_CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
186 { AV_CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
187 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
188 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
189 { AV_CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
190 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
191 { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
192 { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
193 { AV_CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
194 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
195 { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
196 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
197 { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') },
198 { AV_CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
199 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
200 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '6') },
201 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '2', '4') },
202 { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
203 { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
204 { AV_CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
205 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
206 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') },
207 { AV_CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
208 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
209 /* SoftLab-NSK VideoTizer */
210 { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') },
211 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
212 { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
213 { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
214 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') },
215 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') },
216 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
217 { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
218 { AV_CODEC_ID_RAWVIDEO, MKTAG('a', 'u', 'v', '2') },
219 { AV_CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
220 { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
221 { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
222 { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
223 { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') },
224 { AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
225 { AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
226 { AV_CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
227 { AV_CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
228 { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
229 { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
230 { AV_CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
231 { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
232 { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
233 { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
234 { AV_CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
235 { AV_CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
236 { AV_CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
237 { AV_CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
238 { AV_CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
239 { AV_CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
240 { AV_CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
241 { AV_CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
242 { AV_CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
243 { AV_CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
244 { AV_CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
245 { AV_CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
246 { AV_CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
247 { AV_CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
248 { AV_CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
249 { AV_CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
250 { AV_CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
251 { AV_CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
252 { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
253 { AV_CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
254 { AV_CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
255 { AV_CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
256 { AV_CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
257 { AV_CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
258 { AV_CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
259 { AV_CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
260 { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
261 { AV_CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
262 { AV_CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
263 { AV_CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
264 { AV_CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
265 { AV_CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
266 { AV_CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
267 { AV_CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
268 { AV_CODEC_ID_WMV3IMAGE, MKTAG('W', 'M', 'V', 'P') },
269 { AV_CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
270 { AV_CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
271 { AV_CODEC_ID_VC1IMAGE, MKTAG('W', 'V', 'P', '2') },
272 { AV_CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
273 { AV_CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
274 { AV_CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
275 { AV_CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
276 { AV_CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
277 { AV_CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
278 { AV_CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
279 { AV_CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
280 { AV_CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
281 { AV_CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
282 { AV_CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
283 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') },
284 { AV_CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
285 { AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'C') },
286 { AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'K') },
287 { AV_CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
288 { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
289 { AV_CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
290 { AV_CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
291 { AV_CODEC_ID_CLJR, MKTAG('C', 'L', 'J', 'R') },
292 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
293 { AV_CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
294 { AV_CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
295 { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
296 { AV_CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
297 { AV_CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
298 { AV_CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
299 { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
300 { AV_CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
301 { AV_CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
302 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'A') },
303 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'G') },
304 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '0') },
305 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '2') },
306 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'H', '0') },
307 { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'H', '2') },
308 { AV_CODEC_ID_VBLE, MKTAG('V', 'B', 'L', 'E') },
309 { AV_CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') },
310 { AV_CODEC_ID_ZEROCODEC, MKTAG('Z', 'E', 'C', 'O') },
311 { AV_CODEC_ID_MSS1, MKTAG('M', 'S', 'S', '1') },
312 { AV_CODEC_ID_MSA1, MKTAG('M', 'S', 'A', '1') },
313 { AV_CODEC_ID_TSCC2, MKTAG('T', 'S', 'C', '2') },
314 { AV_CODEC_ID_MTS2, MKTAG('M', 'T', 'S', '2') },
315 { AV_CODEC_ID_CLLC, MKTAG('C', 'L', 'L', 'C') },
316 { AV_CODEC_ID_MSS2, MKTAG('M', 'S', 'S', '2') },
317 { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
318 { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '2') },
319 { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '3') },
320 { AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '4') },
321 { AV_CODEC_ID_NONE, 0 }
322 };
323
324 const AVCodecTag ff_codec_wav_tags[] = {
325 { AV_CODEC_ID_PCM_S16LE, 0x0001 },
326 /* must come after s16le in this list */
327 { AV_CODEC_ID_PCM_U8, 0x0001 },
328 { AV_CODEC_ID_PCM_S24LE, 0x0001 },
329 { AV_CODEC_ID_PCM_S32LE, 0x0001 },
330 { AV_CODEC_ID_ADPCM_MS, 0x0002 },
331 { AV_CODEC_ID_PCM_F32LE, 0x0003 },
332 /* must come after f32le in this list */
333 { AV_CODEC_ID_PCM_F64LE, 0x0003 },
334 { AV_CODEC_ID_PCM_ALAW, 0x0006 },
335 { AV_CODEC_ID_PCM_MULAW, 0x0007 },
336 { AV_CODEC_ID_WMAVOICE, 0x000A },
337 { AV_CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
338 /* must come after adpcm_ima_wav in this list */
339 { AV_CODEC_ID_PCM_ZORK, 0x0011 },
340 { AV_CODEC_ID_ADPCM_YAMAHA, 0x0020 },
341 { AV_CODEC_ID_TRUESPEECH, 0x0022 },
342 { AV_CODEC_ID_GSM_MS, 0x0031 },
343 { AV_CODEC_ID_ADPCM_G726, 0x0045 },
344 { AV_CODEC_ID_MP2, 0x0050 },
345 { AV_CODEC_ID_MP3, 0x0055 },
346 { AV_CODEC_ID_AMR_NB, 0x0057 },
347 { AV_CODEC_ID_AMR_WB, 0x0058 },
348 /* rogue format number */
349 { AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 },
350 /* rogue format number */
351 { AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 },
352 { AV_CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
353 { AV_CODEC_ID_VOXWARE, 0x0075 },
354 { AV_CODEC_ID_AAC, 0x00ff },
355 { AV_CODEC_ID_SIPR, 0x0130 },
356 { AV_CODEC_ID_WMAV1, 0x0160 },
357 { AV_CODEC_ID_WMAV2, 0x0161 },
358 { AV_CODEC_ID_WMAPRO, 0x0162 },
359 { AV_CODEC_ID_WMALOSSLESS, 0x0163 },
360 { AV_CODEC_ID_ADPCM_CT, 0x0200 },
361 { AV_CODEC_ID_ATRAC3, 0x0270 },
362 { AV_CODEC_ID_ADPCM_G722, 0x028F },
363 { AV_CODEC_ID_IMC, 0x0401 },
364 { AV_CODEC_ID_IAC, 0x0402 },
365 { AV_CODEC_ID_GSM_MS, 0x1500 },
366 { AV_CODEC_ID_TRUESPEECH, 0x1501 },
367 /* ADTS AAC */
368 { AV_CODEC_ID_AAC, 0x1600 },
369 { AV_CODEC_ID_AAC_LATM, 0x1602 },
370 { AV_CODEC_ID_AC3, 0x2000 },
371 { AV_CODEC_ID_DTS, 0x2001 },
372 { AV_CODEC_ID_PCM_MULAW, 0x6c75 },
373 { AV_CODEC_ID_AAC, 0x706d },
374 { AV_CODEC_ID_AAC, 0x4143 },
375 { AV_CODEC_ID_SPEEX, 0xA109 },
376 { AV_CODEC_ID_FLAC, 0xF1AC },
377 { AV_CODEC_ID_ADPCM_SWF, ('S' << 8) + 'F' },
378 /* HACK/FIXME: Does Vorbis in WAV/AVI have an (in)official ID? */
379 { AV_CODEC_ID_VORBIS, ('V' << 8) + 'o' },
380 { AV_CODEC_ID_NONE, 0 },
381 };
382
383 const AVCodecGuid ff_codec_wav_guids[] = {
384 { AV_CODEC_ID_AC3, { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
385 { AV_CODEC_ID_ATRAC3P, { 0xBF, 0xAA, 0x23, 0xE9, 0x58, 0xCB, 0x71, 0x44, 0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62 } },
386 { AV_CODEC_ID_EAC3, { 0xAF, 0x87, 0xFB, 0xA7, 0x02, 0x2D, 0xFB, 0x42, 0xA4, 0xD4, 0x05, 0xCD, 0x93, 0x84, 0x3B, 0xDD } },
387 { AV_CODEC_ID_MP2, { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
388 { AV_CODEC_ID_NONE }
389 };
390
391 const AVMetadataConv ff_riff_info_conv[] = {
392 { "IART", "artist" },
393 { "ICMT", "comment" },
394 { "ICOP", "copyright" },
395 { "ICRD", "date" },
396 { "IGNR", "genre" },
397 { "ILNG", "language" },
398 { "INAM", "title" },
399 { "IPRD", "album" },
400 { "IPRT", "track" },
401 { "ISFT", "encoder" },
402 { "ITCH", "encoded_by" },
403 { 0 },
404 };
405
406 enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
407 {
408 int i;
409 for (i = 0; guids[i].id != AV_CODEC_ID_NONE; i++)
410 if (!ff_guidcmp(guids[i].guid, guid))
411 return guids[i].id;
412 return AV_CODEC_ID_NONE;
413 }
414
415 const struct AVCodecTag *avformat_get_riff_video_tags(void)
416 {
417 return ff_codec_bmp_tags;
418 }
419
420 const struct AVCodecTag *avformat_get_riff_audio_tags(void)
421 {
422 return ff_codec_wav_tags;
423 }
424
425 #if CONFIG_DEMUXERS
426 /* We could be given one of the three possible structures here:
427 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
428 * is an expansion of the previous one with the fields added
429 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
430 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
431 * an openended structure.
432 */
433
434 static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
435 {
436 ff_asf_guid subformat;
437 c->bits_per_coded_sample = avio_rl16(pb);
438 c->channel_layout = avio_rl32(pb); /* dwChannelMask */
439
440 ff_get_guid(pb, &subformat);
441 if (!memcmp(subformat + 4,
442 (const uint8_t[]){ FF_MEDIASUBTYPE_BASE_GUID }, 12)) {
443 c->codec_tag = AV_RL32(subformat);
444 c->codec_id = ff_wav_codec_get_id(c->codec_tag,
445 c->bits_per_coded_sample);
446 } else {
447 c->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
448 if (!c->codec_id)
449 av_log(c, AV_LOG_WARNING,
450 "unknown subformat:"FF_PRI_GUID"\n",
451 FF_ARG_GUID(subformat));
452 }
453 }
454
455 int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
456 {
457 int id;
458
459 id = avio_rl16(pb);
460 codec->codec_type = AVMEDIA_TYPE_AUDIO;
461 codec->channels = avio_rl16(pb);
462 codec->sample_rate = avio_rl32(pb);
463 codec->bit_rate = avio_rl32(pb) * 8;
464 codec->block_align = avio_rl16(pb);
465 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
466 codec->bits_per_coded_sample = 8;
467 } else
468 codec->bits_per_coded_sample = avio_rl16(pb);
469 if (id == 0xFFFE) {
470 codec->codec_tag = 0;
471 } else {
472 codec->codec_tag = id;
473 codec->codec_id = ff_wav_codec_get_id(id,
474 codec->bits_per_coded_sample);
475 }
476 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
477 int cbSize = avio_rl16(pb); /* cbSize */
478 size -= 18;
479 cbSize = FFMIN(size, cbSize);
480 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
481 parse_waveformatex(pb, codec);
482 cbSize -= 22;
483 size -= 22;
484 }
485 codec->extradata_size = cbSize;
486 if (cbSize > 0) {
487 av_free(codec->extradata);
488 codec->extradata = av_mallocz(codec->extradata_size +
489 FF_INPUT_BUFFER_PADDING_SIZE);
490 if (!codec->extradata)
491 return AVERROR(ENOMEM);
492 avio_read(pb, codec->extradata, codec->extradata_size);
493 size -= cbSize;
494 }
495
496 /* It is possible for the chunk to contain garbage at the end */
497 if (size > 0)
498 avio_skip(pb, size);
499 }
500 if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
501 /* Channels and sample_rate values are those prior to applying SBR
502 * and/or PS. */
503 codec->channels = 0;
504 codec->sample_rate = 0;
505 }
506 /* override bits_per_coded_sample for G.726 */
507 if (codec->codec_id == AV_CODEC_ID_ADPCM_G726)
508 codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
509
510 return 0;
511 }
512
513 enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
514 {
515 enum AVCodecID id;
516 id = ff_codec_get_id(ff_codec_wav_tags, tag);
517 if (id <= 0)
518 return id;
519
520 if (id == AV_CODEC_ID_PCM_S16LE)
521 id = ff_get_pcm_codec_id(bps, 0, 0, ~1);
522 else if (id == AV_CODEC_ID_PCM_F32LE)
523 id = ff_get_pcm_codec_id(bps, 1, 0, 0);
524
525 if (id == AV_CODEC_ID_ADPCM_IMA_WAV && bps == 8)
526 id = AV_CODEC_ID_PCM_ZORK;
527 return id;
528 }
529
530 int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
531 {
532 int tag1;
533 avio_rl32(pb); /* size */
534 st->codec->width = avio_rl32(pb);
535 st->codec->height = (int32_t)avio_rl32(pb);
536 avio_rl16(pb); /* planes */
537 st->codec->bits_per_coded_sample = avio_rl16(pb); /* depth */
538 tag1 = avio_rl32(pb);
539 avio_rl32(pb); /* ImageSize */
540 avio_rl32(pb); /* XPelsPerMeter */
541 avio_rl32(pb); /* YPelsPerMeter */
542 avio_rl32(pb); /* ClrUsed */
543 avio_rl32(pb); /* ClrImportant */
544 return tag1;
545 }
546
547 int ff_read_riff_info(AVFormatContext *s, int64_t size)
548 {
549 int64_t start, end, cur;
550 AVIOContext *pb = s->pb;
551
552 start = avio_tell(pb);
553 end = start + size;
554
555 while ((cur = avio_tell(pb)) >= 0 &&
556 cur <= end - 8 /* = tag + size */) {
557 uint32_t chunk_code;
558 int64_t chunk_size;
559 char key[5] = { 0 };
560 char *value;
561
562 chunk_code = avio_rl32(pb);
563 chunk_size = avio_rl32(pb);
564
565 if (chunk_size > end ||
566 end - chunk_size < cur ||
567 chunk_size == UINT_MAX) {
568 av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
569 break;
570 }
571
572 chunk_size += (chunk_size & 1);
573
574 if (!chunk_code) {
575 if (chunk_size)
576 avio_skip(pb, chunk_size);
577 else if (pb->eof_reached) {
578 av_log(s, AV_LOG_WARNING, "truncated file\n");
579 return AVERROR_EOF;
580 }
581 continue;
582 }
583
584 value = av_malloc(chunk_size + 1);
585 if (!value) {
586 av_log(s, AV_LOG_ERROR,
587 "out of memory, unable to read INFO tag\n");
588 return AVERROR(ENOMEM);
589 }
590
591 AV_WL32(key, chunk_code);
592
593 if (avio_read(pb, value, chunk_size) != chunk_size) {
594 av_free(value);
595 av_log(s, AV_LOG_WARNING,
596 "premature end of file while reading INFO tag\n");
597 break;
598 }
599
600 value[chunk_size] = 0;
601
602 av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
603 }
604
605 return 0;
606 }
607 #endif /* CONFIG_DEMUXERS */