avio: avio_ prefix for url_fsize
[libav.git] / libavformat / riff.c
CommitLineData
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1/*
2 * RIFF codec tags
406792e7 3 * Copyright (c) 2000 Fabrice Bellard
9d9f4119 4 *
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5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
9d9f4119 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
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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
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
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19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
245976da 22#include "libavcodec/avcodec.h"
9d9f4119 23#include "avformat.h"
0abdb293 24#include "avio_internal.h"
9d9f4119 25#include "riff.h"
6e9f56c1 26#include "libavcodec/bytestream.h"
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27
28/* Note: when encoding, the first matching tag is used, so order is
29 important if multiple tags possible for a given codec. */
1a40491e 30const AVCodecTag ff_codec_bmp_tags[] = {
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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') },
ab0b2e55 37 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
26e8d342 38 { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
d7c6552c 39 { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
26e8d342 40 { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
62d6f73e 41 { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
5aef8462 42 { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
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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') },
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46 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
47 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
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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') },
36b0782e 54 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
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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') },
ab0b2e55 61 { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
1b46683c 62 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
f0feb4d7 63 { CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
26ae363e 64 { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
4a49a5fd 65 { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
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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') },
b8cf645b 73 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
26e8d342 74 { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
62d6f73e 75 { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
41b0534a 76 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
4a49a5fd 77 { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
5823e4b8 78 { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
76af2edc 79 { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
52837498 80 { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
3596f4e0 81 { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
6667d5a5 82 { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
5bc3fc21 83 { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
86d58bcf 84 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
74c853b6 85 { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
ab0b2e55 86 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
2d91366c 87 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
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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') },
4a49a5fd 92 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
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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') },
ab0b2e55 96 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
ab0b2e55 97 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
ab0b2e55 98 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
26e8d342 99 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
ab0b2e55 100 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
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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') },
f9928b7e 104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
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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 */
13b47b40 109 { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
26e8d342 110 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
4bae2251 111 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
c20a305b 112 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
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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') },
26e8d342 118 { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
ab0b2e55 119 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
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120 { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
121 { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
bc7ea1e5 122 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
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123 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
124 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
6cffaea8 125 { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
483aad71 126 { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
f63e5a74 127 { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
77d3f1f7 128 { CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
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129 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
130 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
26e8d342 131 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
94ec3aca 132 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
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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 */
f10d3d34 136 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
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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') },
65fec2d9 141 { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
a9cf309b 142 { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
ed0879ed 143 { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
54f8abde 144 { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
54089ecd 145 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
dd9d5a1e 146 { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
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147 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
148 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
ab176fdf 149 { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
418a287c 150 { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
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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') },
36b0782e 154 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
fc3fc029 155 { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
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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') },
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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') },
13547dd1 165 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
3d305fd0 166 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
9853bbb2 167 { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
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168 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
169 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
e47ca4f7 170 { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
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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') },
71b0654c 174 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
8be7ac98 175 { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
b43f432c 176 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
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177 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
178 { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
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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') },
d8b35b85 183 { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
43836928 184 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
4aaab0a3 185 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
9c4e266c 186 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
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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') },
337104ac 197 { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
03cb8458 198 { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
6c7c6293 199 { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
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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') },
e2260faa 205 { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
ab0b2e55 206 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
36b0782e 207 { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
b30cb420 208 { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
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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') },
bf23f6dc 217 { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
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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') },
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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') },
cba322d7 232 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
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233 { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
234 { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
235 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
236 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
237 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
238 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
239 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
240 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
241 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
242 { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
243 { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
244 { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
245 { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
246 { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
247 { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
248 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
f86cd761 249 { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
0dccbba0 250 { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
ab0b2e55 251 { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
eb64714c 252 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
65fec2d9 253 { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
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254 { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
255 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
e80c73b3 256 { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
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257 { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
258 { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
94d3d6a4 259 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
bf354122 260 { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
d267b339 261 { CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
ab0b2e55 262 { CODEC_ID_NONE, 0 }
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263};
264
1a40491e 265const AVCodecTag ff_codec_wav_tags[] = {
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266 { CODEC_ID_PCM_S16LE, 0x0001 },
267 { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
268 { CODEC_ID_PCM_S24LE, 0x0001 },
269 { CODEC_ID_PCM_S32LE, 0x0001 },
270 { CODEC_ID_ADPCM_MS, 0x0002 },
57406d8e
PR
271 { CODEC_ID_PCM_F32LE, 0x0003 },
272 { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
8af9090f
DB
273 { CODEC_ID_PCM_ALAW, 0x0006 },
274 { CODEC_ID_PCM_MULAW, 0x0007 },
275 { CODEC_ID_WMAVOICE, 0x000A },
276 { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
4e0e6888 277 { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
8af9090f
DB
278 { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
279 { CODEC_ID_TRUESPEECH, 0x0022 },
280 { CODEC_ID_GSM_MS, 0x0031 },
281 { CODEC_ID_ADPCM_G726, 0x0045 },
282 { CODEC_ID_MP2, 0x0050 },
283 { CODEC_ID_MP3, 0x0055 },
c26436ec
BL
284 { CODEC_ID_AMR_NB, 0x0057 },
285 { CODEC_ID_AMR_WB, 0x0058 },
8af9090f
DB
286 { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
287 { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
4becee23 288 { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
8af9090f
DB
289 { CODEC_ID_VOXWARE, 0x0075 },
290 { CODEC_ID_AAC, 0x00ff },
faeedbbb 291 { CODEC_ID_SIPR, 0x0130 },
8af9090f
DB
292 { CODEC_ID_WMAV1, 0x0160 },
293 { CODEC_ID_WMAV2, 0x0161 },
294 { CODEC_ID_WMAPRO, 0x0162 },
800b9c24 295 { CODEC_ID_WMALOSSLESS, 0x0163 },
8af9090f
DB
296 { CODEC_ID_ADPCM_CT, 0x0200 },
297 { CODEC_ID_ATRAC3, 0x0270 },
e8ffb2fa 298 { CODEC_ID_ADPCM_G722, 0x028F },
8af9090f 299 { CODEC_ID_IMC, 0x0401 },
4bf2b9e8
BL
300 { CODEC_ID_GSM_MS, 0x1500 },
301 { CODEC_ID_TRUESPEECH, 0x1501 },
50d83b20 302 { CODEC_ID_AAC_LATM, 0x1602 },
8af9090f
DB
303 { CODEC_ID_AC3, 0x2000 },
304 { CODEC_ID_DTS, 0x2001 },
305 { CODEC_ID_SONIC, 0x2048 },
306 { CODEC_ID_SONIC_LS, 0x2048 },
8e6e9bac 307 { CODEC_ID_PCM_MULAW, 0x6c75 },
8af9090f 308 { CODEC_ID_AAC, 0x706d },
6cffaea8 309 { CODEC_ID_AAC, 0x4143 },
8af9090f
DB
310 { CODEC_ID_FLAC, 0xF1AC },
311 { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
312 { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
6ae177aa
DB
313
314 /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
9d9f4119
MR
315 // for NuppelVideo (nuv.c)
316 { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
8af9090f
DB
317 { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
318 { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
bc2d2a07 319 { CODEC_ID_NONE, 0 },
9d9f4119
MR
320};
321
b250f9c6 322#if CONFIG_MUXERS
ae628ec1 323int64_t ff_start_tag(AVIOContext *pb, const char *tag)
9d9f4119 324{
0abdb293 325 ffio_wfourcc(pb, tag);
77eb5504 326 avio_wl32(pb, 0);
a2704c97 327 return avio_tell(pb);
9d9f4119
MR
328}
329
ae628ec1 330void ff_end_tag(AVIOContext *pb, int64_t start)
9d9f4119 331{
bc5c918e 332 int64_t pos;
9d9f4119 333
a2704c97 334 pos = avio_tell(pb);
6b4aa5da 335 avio_seek(pb, start - 4, SEEK_SET);
77eb5504 336 avio_wl32(pb, (uint32_t)(pos - start));
6b4aa5da 337 avio_seek(pb, pos, SEEK_SET);
9d9f4119
MR
338}
339
340/* WAVEFORMATEX header */
341/* returns the size or -1 on error */
ae628ec1 342int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
9d9f4119
MR
343{
344 int bps, blkalign, bytespersec;
345 int hdrsize = 18;
6e9f56c1
RB
346 int waveformatextensible;
347 uint8_t temp[256];
348 uint8_t *riff_extradata= temp;
349 uint8_t *riff_extradata_start= temp;
9d9f4119
MR
350
351 if(!enc->codec_tag || enc->codec_tag > 0xffff)
9d9f4119 352 return -1;
2c2a167c
MN
353 waveformatextensible = (enc->channels > 2 && enc->channel_layout)
354 || enc->sample_rate > 48000
355 || av_get_bits_per_sample(enc->codec_id) > 16;
9d9f4119 356
6e9f56c1 357 if (waveformatextensible) {
77eb5504 358 avio_wl16(pb, 0xfffe);
6e9f56c1 359 } else {
77eb5504 360 avio_wl16(pb, enc->codec_tag);
6e9f56c1 361 }
77eb5504
AK
362 avio_wl16(pb, enc->channels);
363 avio_wl32(pb, enc->sample_rate);
235a51ad 364 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
9d9f4119 365 bps = 0;
9df9b810 366 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
9d9f4119 367 bps = 4;
9d9f4119 368 } else {
24b8aa84
BC
369 if (!(bps = av_get_bits_per_sample(enc->codec_id)))
370 bps = 16; // default to 16
9d9f4119 371 }
dd1c8f3e
LA
372 if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
373 av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
9376710d 374 }
9d9f4119 375
504530bf 376 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
755bfeab 377 blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
9d9f4119 378 //blkalign = 144 * enc->bit_rate/enc->sample_rate;
504530bf
CEH
379 } else if (enc->codec_id == CODEC_ID_AC3) {
380 blkalign = 3840; //maximum bytes per frame
9d9f4119
MR
381 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
382 blkalign = 1;
383 } else if (enc->block_align != 0) { /* specified by the codec */
384 blkalign = enc->block_align;
385 } else
386 blkalign = enc->channels*bps >> 3;
387 if (enc->codec_id == CODEC_ID_PCM_U8 ||
388 enc->codec_id == CODEC_ID_PCM_S24LE ||
389 enc->codec_id == CODEC_ID_PCM_S32LE ||
57406d8e
PR
390 enc->codec_id == CODEC_ID_PCM_F32LE ||
391 enc->codec_id == CODEC_ID_PCM_F64LE ||
9d9f4119
MR
392 enc->codec_id == CODEC_ID_PCM_S16LE) {
393 bytespersec = enc->sample_rate * blkalign;
394 } else {
395 bytespersec = enc->bit_rate / 8;
396 }
77eb5504
AK
397 avio_wl32(pb, bytespersec); /* bytes per second */
398 avio_wl16(pb, blkalign); /* block align */
399 avio_wl16(pb, bps); /* bits per sample */
9d9f4119 400 if (enc->codec_id == CODEC_ID_MP3) {
9d9f4119 401 hdrsize += 12;
6e9f56c1
RB
402 bytestream_put_le16(&riff_extradata, 1); /* wID */
403 bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
404 bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
405 bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
406 bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
9d9f4119 407 } else if (enc->codec_id == CODEC_ID_MP2) {
9d9f4119 408 hdrsize += 22;
6e9f56c1
RB
409 bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
410 bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
411 bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
412 bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
413 bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
414 bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
415 bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
416 bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
c81604f8 417 } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
9d9f4119 418 hdrsize += 2;
6e9f56c1 419 bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
9d9f4119 420 } else if(enc->extradata_size){
6e9f56c1
RB
421 riff_extradata_start= enc->extradata;
422 riff_extradata= enc->extradata + enc->extradata_size;
9d9f4119 423 hdrsize += enc->extradata_size;
6e9f56c1
RB
424 } else if (!waveformatextensible){
425 hdrsize -= 2;
426 }
427 if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
428 hdrsize += 22;
77eb5504
AK
429 avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
430 avio_wl16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
431 avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
432 avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
433 avio_wl32(pb, 0x00100000);
434 avio_wl32(pb, 0xAA000080);
435 avio_wl32(pb, 0x719B3800);
6e9f56c1 436 } else if(riff_extradata - riff_extradata_start) {
77eb5504 437 avio_wl16(pb, riff_extradata - riff_extradata_start);
6e9f56c1 438 }
77eb5504 439 avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
4bce3ba4
RB
440 if(hdrsize&1){
441 hdrsize++;
77eb5504 442 avio_w8(pb, 0);
4bce3ba4 443 }
9d9f4119
MR
444
445 return hdrsize;
446}
447
448/* BITMAPINFOHEADER header */
ae628ec1 449void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
9d9f4119 450{
77eb5504
AK
451 avio_wl32(pb, 40 + enc->extradata_size); /* size */
452 avio_wl32(pb, enc->width);
31f2616d 453 //We always store RGB TopDown
77eb5504
AK
454 avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
455 avio_wl16(pb, 1); /* planes */
9d9f4119 456
77eb5504 457 avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
9d9f4119 458 /* compression type */
77eb5504
AK
459 avio_wl32(pb, enc->codec_tag);
460 avio_wl32(pb, enc->width * enc->height * 3);
461 avio_wl32(pb, 0);
462 avio_wl32(pb, 0);
463 avio_wl32(pb, 0);
464 avio_wl32(pb, 0);
9d9f4119 465
77eb5504 466 avio_write(pb, enc->extradata, enc->extradata_size);
9d9f4119 467
63100f58 468 if (!for_asf && enc->extradata_size & 1)
77eb5504 469 avio_w8(pb, 0);
9d9f4119
MR
470}
471#endif //CONFIG_MUXERS
472
b250f9c6 473#if CONFIG_DEMUXERS
9d9f4119
MR
474/* We could be given one of the three possible structures here:
475 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
476 * is an expansion of the previous one with the fields added
477 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
478 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
479 * an openended structure.
480 */
ae628ec1 481void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
9d9f4119
MR
482{
483 int id;
484
b7effd4e 485 id = avio_rl16(pb);
72415b2a 486 codec->codec_type = AVMEDIA_TYPE_AUDIO;
9d9f4119 487 codec->codec_tag = id;
b7effd4e
AK
488 codec->channels = avio_rl16(pb);
489 codec->sample_rate = avio_rl32(pb);
490 codec->bit_rate = avio_rl32(pb) * 8;
491 codec->block_align = avio_rl16(pb);
9d9f4119 492 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
dd1c8f3e 493 codec->bits_per_coded_sample = 8;
9d9f4119 494 }else
b7effd4e 495 codec->bits_per_coded_sample = avio_rl16(pb);
72fd40bd 496 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
b7effd4e 497 int cbSize = avio_rl16(pb); /* cbSize */
72fd40bd
BC
498 size -= 18;
499 cbSize = FFMIN(size, cbSize);
500 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
b7effd4e
AK
501 codec->bits_per_coded_sample = avio_rl16(pb);
502 codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
503 id = avio_rl32(pb); /* 4 first bytes of GUID */
e356fc57 504 avio_seek(pb, 12, SEEK_CUR); /* skip end of GUID */
72fd40bd
BC
505 cbSize -= 22;
506 size -= 22;
507 }
508 codec->extradata_size = cbSize;
509 if (cbSize > 0) {
9d9f4119 510 codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
b7effd4e 511 avio_read(pb, codec->extradata, codec->extradata_size);
72fd40bd
BC
512 size -= cbSize;
513 }
9d9f4119
MR
514
515 /* It is possible for the chunk to contain garbage at the end */
72fd40bd 516 if (size > 0)
e356fc57 517 avio_seek(pb, size, SEEK_CUR);
9d9f4119 518 }
1a40491e 519 codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
50d83b20
PR
520 if (codec->codec_id == CODEC_ID_AAC_LATM) {
521 /* channels and sample_rate values are those prior to applying SBR and/or PS */
522 codec->channels = 0;
523 codec->sample_rate = 0;
524 }
9d9f4119
MR
525}
526
527
1a40491e 528enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
9d9f4119 529{
9f2ace74 530 enum CodecID id;
1a40491e 531 id = ff_codec_get_id(ff_codec_wav_tags, tag);
9d9f4119
MR
532 if (id <= 0)
533 return id;
534 /* handle specific u8 codec */
535 if (id == CODEC_ID_PCM_S16LE && bps == 8)
536 id = CODEC_ID_PCM_U8;
537 if (id == CODEC_ID_PCM_S16LE && bps == 24)
538 id = CODEC_ID_PCM_S24LE;
539 if (id == CODEC_ID_PCM_S16LE && bps == 32)
540 id = CODEC_ID_PCM_S32LE;
57406d8e
PR
541 if (id == CODEC_ID_PCM_F32LE && bps == 64)
542 id = CODEC_ID_PCM_F64LE;
a11c2a2c
MN
543 if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
544 id = CODEC_ID_PCM_ZORK;
9d9f4119
MR
545 return id;
546}
773d892a 547
ae628ec1 548int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
773d892a
PR
549{
550 int tag1;
b7effd4e
AK
551 avio_rl32(pb); /* size */
552 st->codec->width = avio_rl32(pb);
553 st->codec->height = (int32_t)avio_rl32(pb);
554 avio_rl16(pb); /* planes */
555 st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
556 tag1 = avio_rl32(pb);
557 avio_rl32(pb); /* ImageSize */
558 avio_rl32(pb); /* XPelsPerMeter */
559 avio_rl32(pb); /* YPelsPerMeter */
560 avio_rl32(pb); /* ClrUsed */
561 avio_rl32(pb); /* ClrImportant */
773d892a
PR
562 return tag1;
563}
9d9f4119
MR
564#endif // CONFIG_DEMUXERS
565
566void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
567{
568 int gcd;
569
570 *au_ssize= stream->block_align;
571 if(stream->frame_size && stream->sample_rate){
572 *au_scale=stream->frame_size;
573 *au_rate= stream->sample_rate;
72415b2a
SS
574 }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
575 stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
9d9f4119
MR
576 *au_scale= stream->time_base.num;
577 *au_rate = stream->time_base.den;
578 }else{
579 *au_scale= stream->block_align ? stream->block_align*8 : 8;
a7805e29 580 *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
9d9f4119 581 }
9ce6c138 582 gcd= av_gcd(*au_scale, *au_rate);
9d9f4119
MR
583 *au_scale /= gcd;
584 *au_rate /= gcd;
585}