Commit | Line | Data |
---|---|---|
9d9f4119 MR |
1 | /* |
2 | * RIFF codec tags | |
406792e7 | 3 | * Copyright (c) 2000 Fabrice Bellard |
9d9f4119 | 4 | * |
2912e87a | 5 | * This file is part of Libav. |
b78e7197 | 6 | * |
2912e87a | 7 | * Libav is free software; you can redistribute it and/or |
9d9f4119 MR |
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 | * |
2912e87a | 12 | * Libav is distributed in the hope that it will be useful, |
9d9f4119 MR |
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 | |
2912e87a | 18 | * License along with Libav; if not, write to the Free Software |
9d9f4119 MR |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ | |
21 | ||
0ebcdf5c | 22 | #include "libavutil/mathematics.h" |
245976da | 23 | #include "libavcodec/avcodec.h" |
9d9f4119 | 24 | #include "avformat.h" |
0abdb293 | 25 | #include "avio_internal.h" |
9d9f4119 | 26 | #include "riff.h" |
6e9f56c1 | 27 | #include "libavcodec/bytestream.h" |
9d9f4119 MR |
28 | |
29 | /* Note: when encoding, the first matching tag is used, so order is | |
30 | important if multiple tags possible for a given codec. */ | |
1a40491e | 31 | const AVCodecTag ff_codec_bmp_tags[] = { |
ab0b2e55 AJ |
32 | { CODEC_ID_H264, MKTAG('H', '2', '6', '4') }, |
33 | { CODEC_ID_H264, MKTAG('h', '2', '6', '4') }, | |
34 | { CODEC_ID_H264, MKTAG('X', '2', '6', '4') }, | |
35 | { CODEC_ID_H264, MKTAG('x', '2', '6', '4') }, | |
36 | { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, | |
2ea1ca17 | 37 | { CODEC_ID_H264, MKTAG('D', 'A', 'V', 'C') }, |
ab0b2e55 | 38 | { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') }, |
ab0b2e55 | 39 | { CODEC_ID_H263, MKTAG('H', '2', '6', '3') }, |
26e8d342 | 40 | { CODEC_ID_H263, MKTAG('X', '2', '6', '3') }, |
d7c6552c | 41 | { CODEC_ID_H263, MKTAG('T', '2', '6', '3') }, |
26e8d342 | 42 | { CODEC_ID_H263, MKTAG('L', '2', '6', '3') }, |
62d6f73e | 43 | { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') }, |
5aef8462 | 44 | { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') }, |
682a2011 | 45 | { CODEC_ID_H263, MKTAG('M', '2', '6', '3') }, |
ab0b2e55 AJ |
46 | { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') }, |
47 | { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */ | |
48 | { CODEC_ID_H261, MKTAG('H', '2', '6', '1') }, | |
ab0b2e55 AJ |
49 | { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') }, |
50 | { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') }, | |
ab0b2e55 AJ |
51 | { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') }, |
52 | { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, | |
53 | { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') }, | |
54 | { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, | |
55 | { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') }, | |
56 | { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') }, | |
36b0782e | 57 | { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */ |
ab0b2e55 AJ |
58 | { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') }, |
59 | { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') }, | |
60 | { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') }, | |
61 | { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') }, | |
62 | { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') }, | |
63 | { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') }, | |
ab0b2e55 | 64 | { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') }, |
1b46683c | 65 | { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, |
f0feb4d7 | 66 | { CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */ |
26ae363e | 67 | { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') }, |
4a49a5fd | 68 | { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') }, |
26e8d342 BL |
69 | { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') }, |
70 | { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') }, | |
71 | { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') }, | |
72 | { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') }, | |
73 | { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') }, | |
74 | { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') }, | |
75 | { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') }, | |
b8cf645b | 76 | { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') }, |
26e8d342 | 77 | { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */ |
62d6f73e | 78 | { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') }, |
41b0534a | 79 | { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') }, |
4a49a5fd | 80 | { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') }, |
5823e4b8 | 81 | { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */ |
76af2edc | 82 | { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') }, |
52837498 | 83 | { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */ |
3596f4e0 | 84 | { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') }, |
6667d5a5 | 85 | { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') }, |
5bc3fc21 | 86 | { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') }, |
86d58bcf | 87 | { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') }, |
74c853b6 | 88 | { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */ |
682a2011 | 89 | { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') }, |
12bd8532 | 90 | { CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') }, |
ab0b2e55 | 91 | { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') }, |
2d91366c | 92 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') }, |
ab0b2e55 AJ |
93 | { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') }, |
94 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') }, | |
95 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') }, | |
96 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') }, | |
4a49a5fd | 97 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') }, |
ab0b2e55 AJ |
98 | { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') }, |
99 | { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') }, | |
100 | { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') }, | |
ab0b2e55 | 101 | { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') }, |
ab0b2e55 | 102 | { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') }, |
ab0b2e55 | 103 | { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') }, |
26e8d342 | 104 | { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') }, |
ab0b2e55 | 105 | { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') }, |
ab0b2e55 AJ |
106 | { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') }, |
107 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') }, | |
108 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') }, | |
f9928b7e | 109 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, |
ab0b2e55 AJ |
110 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') }, |
111 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') }, | |
112 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') }, | |
113 | { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */ | |
13b47b40 | 114 | { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */ |
682a2011 | 115 | { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') }, /* Canopus DV */ |
26e8d342 | 116 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, |
4bae2251 | 117 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') }, |
c20a305b | 118 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, |
ab0b2e55 AJ |
119 | { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') }, |
120 | { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') }, | |
121 | { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') }, | |
122 | { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') }, | |
123 | { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') }, | |
26e8d342 | 124 | { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') }, |
ab0b2e55 | 125 | { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') }, |
36b0782e AJ |
126 | { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) }, |
127 | { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) }, | |
bc7ea1e5 | 128 | { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) }, |
ab0b2e55 AJ |
129 | { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') }, |
130 | { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') }, | |
6cffaea8 | 131 | { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */ |
483aad71 | 132 | { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') }, |
f63e5a74 | 133 | { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') }, |
77d3f1f7 | 134 | { CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */ |
505345ed | 135 | { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') }, |
ab0b2e55 AJ |
136 | { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') }, |
137 | { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') }, | |
26e8d342 | 138 | { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, |
94ec3aca | 139 | { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, |
ab0b2e55 AJ |
140 | { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') }, |
141 | { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */ | |
142 | { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */ | |
f10d3d34 | 143 | { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') }, |
ab0b2e55 AJ |
144 | { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */ |
145 | { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, | |
146 | { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') }, | |
147 | { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, | |
65fec2d9 | 148 | { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') }, |
a9cf309b | 149 | { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') }, |
ed0879ed | 150 | { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */ |
54f8abde | 151 | { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */ |
54089ecd | 152 | { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */ |
dd9d5a1e | 153 | { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */ |
4b86926b CEH |
154 | { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') }, |
155 | { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') }, | |
ab176fdf | 156 | { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') }, |
418a287c | 157 | { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */ |
682a2011 | 158 | { CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') }, |
ab0b2e55 AJ |
159 | { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') }, |
160 | { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') }, | |
161 | { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') }, | |
36b0782e | 162 | { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) }, |
fc3fc029 | 163 | { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) }, |
ab0b2e55 AJ |
164 | { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') }, |
165 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') }, | |
166 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') }, | |
9853bbb2 BL |
167 | { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') }, |
168 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') }, | |
169 | { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') }, | |
170 | { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') }, | |
171 | { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') }, | |
172 | { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') }, | |
13547dd1 | 173 | { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, |
3d305fd0 | 174 | { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, |
835af79b | 175 | { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, |
9853bbb2 | 176 | { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') }, |
ab0b2e55 | 177 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') }, |
12bd8532 DB |
178 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '6') }, |
179 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '2', '4') }, | |
ab0b2e55 | 180 | { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') }, |
e47ca4f7 | 181 | { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') }, |
ab0b2e55 AJ |
182 | { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') }, |
183 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') }, | |
12bd8532 | 184 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') }, |
ab0b2e55 | 185 | { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') }, |
71b0654c | 186 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') }, |
8be7ac98 | 187 | { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */ |
b43f432c | 188 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') }, |
73762de1 SS |
189 | { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') }, |
190 | { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') }, | |
781cf5fd SS |
191 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') }, |
192 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') }, | |
193 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') }, | |
194 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') }, | |
d352df09 | 195 | { CODEC_ID_RAWVIDEO, MKTAG('a', 'u', 'v', '2') }, |
d8b35b85 | 196 | { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') }, |
43836928 | 197 | { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, |
4aaab0a3 | 198 | { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, |
9c4e266c | 199 | { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, |
80f6c0bb | 200 | { CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, |
ab0b2e55 AJ |
201 | { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') }, |
202 | { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') }, | |
203 | { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') }, | |
204 | { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') }, | |
205 | { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, | |
206 | { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') }, | |
207 | { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') }, | |
208 | { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') }, | |
209 | { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') }, | |
210 | { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') }, | |
337104ac | 211 | { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') }, |
03cb8458 | 212 | { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') }, |
6c7c6293 | 213 | { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') }, |
ab0b2e55 AJ |
214 | { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') }, |
215 | { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') }, | |
216 | { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') }, | |
217 | { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') }, | |
218 | { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') }, | |
e2260faa | 219 | { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') }, |
ab0b2e55 | 220 | { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') }, |
36b0782e | 221 | { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) }, |
b30cb420 | 222 | { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) }, |
ab0b2e55 AJ |
223 | { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') }, |
224 | { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') }, | |
225 | { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') }, | |
226 | { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') }, | |
227 | { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') }, | |
228 | { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') }, | |
229 | { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, | |
230 | { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') }, | |
bf23f6dc | 231 | { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') }, |
ab0b2e55 AJ |
232 | { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') }, |
233 | { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') }, | |
234 | { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') }, | |
235 | { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') }, | |
236 | { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') }, | |
237 | { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') }, | |
ab0b2e55 AJ |
238 | { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, |
239 | { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') }, | |
240 | { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') }, | |
241 | { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') }, | |
242 | { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') }, | |
243 | { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') }, | |
244 | { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') }, | |
245 | { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') }, | |
45ecda85 | 246 | { CODEC_ID_WMV3IMAGE, MKTAG('W', 'M', 'V', 'P') }, |
ab0b2e55 AJ |
247 | { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') }, |
248 | { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') }, | |
45ecda85 | 249 | { CODEC_ID_VC1IMAGE, MKTAG('W', 'V', 'P', '2') }, |
ab0b2e55 AJ |
250 | { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') }, |
251 | { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') }, | |
252 | { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') }, | |
253 | { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') }, | |
254 | { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') }, | |
255 | { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') }, | |
256 | { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') }, | |
257 | { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') }, | |
258 | { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') }, | |
259 | { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') }, | |
260 | { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') }, | |
a304a833 | 261 | { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, |
ab0b2e55 | 262 | { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') }, |
12bd8532 DB |
263 | { CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'C') }, |
264 | { CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'K') }, | |
ab0b2e55 AJ |
265 | { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') }, |
266 | { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, | |
f86cd761 | 267 | { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') }, |
0dccbba0 | 268 | { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') }, |
e93947b7 | 269 | { CODEC_ID_CLJR, MKTAG('C', 'L', 'J', 'R') }, |
eb64714c | 270 | { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') }, |
65fec2d9 | 271 | { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') }, |
c6340f86 BL |
272 | { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') }, |
273 | { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, | |
e80c73b3 | 274 | { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') }, |
c21fbefb KS |
275 | { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') }, |
276 | { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') }, | |
94d3d6a4 | 277 | { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, |
bf354122 | 278 | { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') }, |
d267b339 | 279 | { CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') }, |
0d8506b8 KS |
280 | { CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'A') }, |
281 | { CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'G') }, | |
282 | { CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '0') }, | |
283 | { CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '2') }, | |
c433a3f9 | 284 | { CODEC_ID_VBLE, MKTAG('V', 'B', 'L', 'E') }, |
19341c58 | 285 | { CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') }, |
0e714f88 | 286 | { CODEC_ID_ZEROCODEC, MKTAG('Z', 'E', 'C', 'O') }, |
005c80b6 | 287 | { CODEC_ID_MSS1, MKTAG('M', 'S', 'S', '1') }, |
edf35d83 | 288 | { CODEC_ID_MSA1, MKTAG('M', 'S', 'A', '1') }, |
ab0b2e55 | 289 | { CODEC_ID_NONE, 0 } |
9d9f4119 MR |
290 | }; |
291 | ||
1a40491e | 292 | const AVCodecTag ff_codec_wav_tags[] = { |
8af9090f DB |
293 | { CODEC_ID_PCM_S16LE, 0x0001 }, |
294 | { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */ | |
295 | { CODEC_ID_PCM_S24LE, 0x0001 }, | |
296 | { CODEC_ID_PCM_S32LE, 0x0001 }, | |
297 | { CODEC_ID_ADPCM_MS, 0x0002 }, | |
57406d8e PR |
298 | { CODEC_ID_PCM_F32LE, 0x0003 }, |
299 | { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */ | |
8af9090f DB |
300 | { CODEC_ID_PCM_ALAW, 0x0006 }, |
301 | { CODEC_ID_PCM_MULAW, 0x0007 }, | |
302 | { CODEC_ID_WMAVOICE, 0x000A }, | |
303 | { CODEC_ID_ADPCM_IMA_WAV, 0x0011 }, | |
4e0e6888 | 304 | { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */ |
8af9090f DB |
305 | { CODEC_ID_ADPCM_YAMAHA, 0x0020 }, |
306 | { CODEC_ID_TRUESPEECH, 0x0022 }, | |
307 | { CODEC_ID_GSM_MS, 0x0031 }, | |
308 | { CODEC_ID_ADPCM_G726, 0x0045 }, | |
309 | { CODEC_ID_MP2, 0x0050 }, | |
310 | { CODEC_ID_MP3, 0x0055 }, | |
c26436ec BL |
311 | { CODEC_ID_AMR_NB, 0x0057 }, |
312 | { CODEC_ID_AMR_WB, 0x0058 }, | |
8af9090f DB |
313 | { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */ |
314 | { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */ | |
4becee23 | 315 | { CODEC_ID_ADPCM_IMA_WAV, 0x0069 }, |
8af9090f DB |
316 | { CODEC_ID_VOXWARE, 0x0075 }, |
317 | { CODEC_ID_AAC, 0x00ff }, | |
faeedbbb | 318 | { CODEC_ID_SIPR, 0x0130 }, |
8af9090f DB |
319 | { CODEC_ID_WMAV1, 0x0160 }, |
320 | { CODEC_ID_WMAV2, 0x0161 }, | |
321 | { CODEC_ID_WMAPRO, 0x0162 }, | |
800b9c24 | 322 | { CODEC_ID_WMALOSSLESS, 0x0163 }, |
8af9090f DB |
323 | { CODEC_ID_ADPCM_CT, 0x0200 }, |
324 | { CODEC_ID_ATRAC3, 0x0270 }, | |
e8ffb2fa | 325 | { CODEC_ID_ADPCM_G722, 0x028F }, |
8af9090f | 326 | { CODEC_ID_IMC, 0x0401 }, |
c6061443 | 327 | { CODEC_ID_IAC, 0x0402 }, |
4bf2b9e8 BL |
328 | { CODEC_ID_GSM_MS, 0x1500 }, |
329 | { CODEC_ID_TRUESPEECH, 0x1501 }, | |
d34ca1cf | 330 | { CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */ |
50d83b20 | 331 | { CODEC_ID_AAC_LATM, 0x1602 }, |
8af9090f DB |
332 | { CODEC_ID_AC3, 0x2000 }, |
333 | { CODEC_ID_DTS, 0x2001 }, | |
8e6e9bac | 334 | { CODEC_ID_PCM_MULAW, 0x6c75 }, |
8af9090f | 335 | { CODEC_ID_AAC, 0x706d }, |
6cffaea8 | 336 | { CODEC_ID_AAC, 0x4143 }, |
12bd8532 | 337 | { CODEC_ID_SPEEX, 0xA109 }, |
8af9090f DB |
338 | { CODEC_ID_FLAC, 0xF1AC }, |
339 | { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' }, | |
340 | { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id? | |
6ae177aa DB |
341 | |
342 | /* FIXME: All of the IDs below are not 16 bit and thus illegal. */ | |
9d9f4119 MR |
343 | // for NuppelVideo (nuv.c) |
344 | { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') }, | |
8af9090f DB |
345 | { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') }, |
346 | { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') }, | |
bc2d2a07 | 347 | { CODEC_ID_NONE, 0 }, |
9d9f4119 MR |
348 | }; |
349 | ||
12bc2050 VV |
350 | const AVMetadataConv ff_riff_info_conv[] = { |
351 | { "IART", "artist" }, | |
352 | { "ICMT", "comment" }, | |
353 | { "ICOP", "copyright" }, | |
354 | { "ICRD", "date" }, | |
355 | { "IGNR", "genre" }, | |
356 | { "ILNG", "language" }, | |
357 | { "INAM", "title" }, | |
358 | { "IPRD", "album" }, | |
359 | { "IPRT", "track" }, | |
360 | { "ISFT", "encoder" }, | |
361 | { "ITCH", "encoded_by"}, | |
362 | { 0 }, | |
363 | }; | |
364 | ||
365 | const char ff_riff_tags[][5] = { | |
366 | "IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI", | |
367 | "IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD", | |
368 | "IPRT", "ISBJ", "ISFT", "ISHP", "ISRC", "ISRF", "ITCH", | |
369 | {0} | |
370 | }; | |
371 | ||
b250f9c6 | 372 | #if CONFIG_MUXERS |
ae628ec1 | 373 | int64_t ff_start_tag(AVIOContext *pb, const char *tag) |
9d9f4119 | 374 | { |
0abdb293 | 375 | ffio_wfourcc(pb, tag); |
77eb5504 | 376 | avio_wl32(pb, 0); |
a2704c97 | 377 | return avio_tell(pb); |
9d9f4119 MR |
378 | } |
379 | ||
ae628ec1 | 380 | void ff_end_tag(AVIOContext *pb, int64_t start) |
9d9f4119 | 381 | { |
bc5c918e | 382 | int64_t pos; |
9d9f4119 | 383 | |
a2704c97 | 384 | pos = avio_tell(pb); |
6b4aa5da | 385 | avio_seek(pb, start - 4, SEEK_SET); |
77eb5504 | 386 | avio_wl32(pb, (uint32_t)(pos - start)); |
6b4aa5da | 387 | avio_seek(pb, pos, SEEK_SET); |
9d9f4119 MR |
388 | } |
389 | ||
390 | /* WAVEFORMATEX header */ | |
391 | /* returns the size or -1 on error */ | |
ae628ec1 | 392 | int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc) |
9d9f4119 | 393 | { |
c019070f | 394 | int bps, blkalign, bytespersec, frame_size; |
9d9f4119 | 395 | int hdrsize = 18; |
6e9f56c1 RB |
396 | int waveformatextensible; |
397 | uint8_t temp[256]; | |
398 | uint8_t *riff_extradata= temp; | |
399 | uint8_t *riff_extradata_start= temp; | |
9d9f4119 MR |
400 | |
401 | if(!enc->codec_tag || enc->codec_tag > 0xffff) | |
9d9f4119 | 402 | return -1; |
c019070f JR |
403 | |
404 | /* We use the known constant frame size for the codec if known, otherwise | |
405 | fallback to using AVCodecContext.frame_size, which is not as reliable | |
406 | for indicating packet duration */ | |
407 | frame_size = av_get_audio_frame_duration(enc, 0); | |
408 | if (!frame_size) | |
409 | frame_size = enc->frame_size; | |
410 | ||
2c2a167c MN |
411 | waveformatextensible = (enc->channels > 2 && enc->channel_layout) |
412 | || enc->sample_rate > 48000 | |
413 | || av_get_bits_per_sample(enc->codec_id) > 16; | |
9d9f4119 | 414 | |
6e9f56c1 | 415 | if (waveformatextensible) { |
77eb5504 | 416 | avio_wl16(pb, 0xfffe); |
6e9f56c1 | 417 | } else { |
77eb5504 | 418 | avio_wl16(pb, enc->codec_tag); |
6e9f56c1 | 419 | } |
77eb5504 AK |
420 | avio_wl16(pb, enc->channels); |
421 | avio_wl32(pb, enc->sample_rate); | |
235a51ad | 422 | if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) { |
9d9f4119 | 423 | bps = 0; |
9d9f4119 | 424 | } else { |
6ac34eed JR |
425 | if (!(bps = av_get_bits_per_sample(enc->codec_id))) { |
426 | if (enc->bits_per_coded_sample) | |
427 | bps = enc->bits_per_coded_sample; | |
428 | else | |
429 | bps = 16; // default to 16 | |
430 | } | |
9d9f4119 | 431 | } |
dd1c8f3e LA |
432 | if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){ |
433 | 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 | 434 | } |
9d9f4119 | 435 | |
504530bf | 436 | if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) { |
c019070f JR |
437 | /* this is wrong, but it seems many demuxers do not work if this is set |
438 | correctly */ | |
439 | blkalign = frame_size; | |
9d9f4119 | 440 | //blkalign = 144 * enc->bit_rate/enc->sample_rate; |
504530bf CEH |
441 | } else if (enc->codec_id == CODEC_ID_AC3) { |
442 | blkalign = 3840; //maximum bytes per frame | |
9d9f4119 MR |
443 | } else if (enc->block_align != 0) { /* specified by the codec */ |
444 | blkalign = enc->block_align; | |
445 | } else | |
6ac34eed | 446 | blkalign = bps * enc->channels / av_gcd(8, bps); |
9d9f4119 MR |
447 | if (enc->codec_id == CODEC_ID_PCM_U8 || |
448 | enc->codec_id == CODEC_ID_PCM_S24LE || | |
449 | enc->codec_id == CODEC_ID_PCM_S32LE || | |
57406d8e PR |
450 | enc->codec_id == CODEC_ID_PCM_F32LE || |
451 | enc->codec_id == CODEC_ID_PCM_F64LE || | |
9d9f4119 MR |
452 | enc->codec_id == CODEC_ID_PCM_S16LE) { |
453 | bytespersec = enc->sample_rate * blkalign; | |
454 | } else { | |
455 | bytespersec = enc->bit_rate / 8; | |
456 | } | |
77eb5504 AK |
457 | avio_wl32(pb, bytespersec); /* bytes per second */ |
458 | avio_wl16(pb, blkalign); /* block align */ | |
459 | avio_wl16(pb, bps); /* bits per sample */ | |
9d9f4119 | 460 | if (enc->codec_id == CODEC_ID_MP3) { |
9d9f4119 | 461 | hdrsize += 12; |
6e9f56c1 RB |
462 | bytestream_put_le16(&riff_extradata, 1); /* wID */ |
463 | bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */ | |
464 | bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */ | |
465 | bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */ | |
466 | bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */ | |
9d9f4119 | 467 | } else if (enc->codec_id == CODEC_ID_MP2) { |
9d9f4119 | 468 | hdrsize += 22; |
6e9f56c1 RB |
469 | bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */ |
470 | bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */ | |
471 | bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */ | |
472 | bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */ | |
473 | bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */ | |
474 | bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */ | |
475 | bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */ | |
476 | bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */ | |
c81604f8 | 477 | } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { |
9d9f4119 | 478 | hdrsize += 2; |
c019070f | 479 | bytestream_put_le16(&riff_extradata, frame_size); /* wSamplesPerBlock */ |
9d9f4119 | 480 | } else if(enc->extradata_size){ |
6e9f56c1 RB |
481 | riff_extradata_start= enc->extradata; |
482 | riff_extradata= enc->extradata + enc->extradata_size; | |
9d9f4119 | 483 | hdrsize += enc->extradata_size; |
6e9f56c1 RB |
484 | } |
485 | if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */ | |
486 | hdrsize += 22; | |
77eb5504 | 487 | avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */ |
8099fc76 | 488 | avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */ |
77eb5504 AK |
489 | avio_wl32(pb, enc->channel_layout); /* dwChannelMask */ |
490 | avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */ | |
491 | avio_wl32(pb, 0x00100000); | |
492 | avio_wl32(pb, 0xAA000080); | |
493 | avio_wl32(pb, 0x719B3800); | |
2c4e08d8 JB |
494 | } else { |
495 | avio_wl16(pb, riff_extradata - riff_extradata_start); /* cbSize */ | |
6e9f56c1 | 496 | } |
77eb5504 | 497 | avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start); |
4bce3ba4 RB |
498 | if(hdrsize&1){ |
499 | hdrsize++; | |
77eb5504 | 500 | avio_w8(pb, 0); |
4bce3ba4 | 501 | } |
9d9f4119 MR |
502 | |
503 | return hdrsize; | |
504 | } | |
505 | ||
506 | /* BITMAPINFOHEADER header */ | |
ae628ec1 | 507 | void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf) |
9d9f4119 | 508 | { |
77eb5504 AK |
509 | avio_wl32(pb, 40 + enc->extradata_size); /* size */ |
510 | avio_wl32(pb, enc->width); | |
31f2616d | 511 | //We always store RGB TopDown |
77eb5504 AK |
512 | avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height); |
513 | avio_wl16(pb, 1); /* planes */ | |
9d9f4119 | 514 | |
77eb5504 | 515 | avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */ |
9d9f4119 | 516 | /* compression type */ |
77eb5504 AK |
517 | avio_wl32(pb, enc->codec_tag); |
518 | avio_wl32(pb, enc->width * enc->height * 3); | |
519 | avio_wl32(pb, 0); | |
520 | avio_wl32(pb, 0); | |
521 | avio_wl32(pb, 0); | |
522 | avio_wl32(pb, 0); | |
9d9f4119 | 523 | |
77eb5504 | 524 | avio_write(pb, enc->extradata, enc->extradata_size); |
9d9f4119 | 525 | |
63100f58 | 526 | if (!for_asf && enc->extradata_size & 1) |
77eb5504 | 527 | avio_w8(pb, 0); |
9d9f4119 MR |
528 | } |
529 | #endif //CONFIG_MUXERS | |
530 | ||
b250f9c6 | 531 | #if CONFIG_DEMUXERS |
9d9f4119 MR |
532 | /* We could be given one of the three possible structures here: |
533 | * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure | |
534 | * is an expansion of the previous one with the fields added | |
535 | * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and | |
536 | * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself | |
537 | * an openended structure. | |
538 | */ | |
ca402f32 | 539 | int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size) |
9d9f4119 MR |
540 | { |
541 | int id; | |
542 | ||
b7effd4e | 543 | id = avio_rl16(pb); |
72415b2a | 544 | codec->codec_type = AVMEDIA_TYPE_AUDIO; |
9d9f4119 | 545 | codec->codec_tag = id; |
b7effd4e AK |
546 | codec->channels = avio_rl16(pb); |
547 | codec->sample_rate = avio_rl32(pb); | |
548 | codec->bit_rate = avio_rl32(pb) * 8; | |
549 | codec->block_align = avio_rl16(pb); | |
9d9f4119 | 550 | if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */ |
dd1c8f3e | 551 | codec->bits_per_coded_sample = 8; |
9d9f4119 | 552 | }else |
b7effd4e | 553 | codec->bits_per_coded_sample = avio_rl16(pb); |
72fd40bd | 554 | if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */ |
b7effd4e | 555 | int cbSize = avio_rl16(pb); /* cbSize */ |
72fd40bd BC |
556 | size -= 18; |
557 | cbSize = FFMIN(size, cbSize); | |
558 | if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */ | |
b7effd4e AK |
559 | codec->bits_per_coded_sample = avio_rl16(pb); |
560 | codec->channel_layout = avio_rl32(pb); /* dwChannelMask */ | |
561 | id = avio_rl32(pb); /* 4 first bytes of GUID */ | |
45a8a02a | 562 | avio_skip(pb, 12); /* skip end of GUID */ |
72fd40bd BC |
563 | cbSize -= 22; |
564 | size -= 22; | |
565 | } | |
566 | codec->extradata_size = cbSize; | |
567 | if (cbSize > 0) { | |
ed8a5006 | 568 | av_free(codec->extradata); |
9d9f4119 | 569 | codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); |
ca402f32 MH |
570 | if (!codec->extradata) |
571 | return AVERROR(ENOMEM); | |
b7effd4e | 572 | avio_read(pb, codec->extradata, codec->extradata_size); |
72fd40bd BC |
573 | size -= cbSize; |
574 | } | |
9d9f4119 MR |
575 | |
576 | /* It is possible for the chunk to contain garbage at the end */ | |
72fd40bd | 577 | if (size > 0) |
45a8a02a | 578 | avio_skip(pb, size); |
9d9f4119 | 579 | } |
1a40491e | 580 | codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample); |
50d83b20 PR |
581 | if (codec->codec_id == CODEC_ID_AAC_LATM) { |
582 | /* channels and sample_rate values are those prior to applying SBR and/or PS */ | |
583 | codec->channels = 0; | |
584 | codec->sample_rate = 0; | |
585 | } | |
6ac34eed JR |
586 | /* override bits_per_coded_sample for G.726 */ |
587 | if (codec->codec_id == CODEC_ID_ADPCM_G726) | |
588 | codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate; | |
ca402f32 MH |
589 | |
590 | return 0; | |
9d9f4119 MR |
591 | } |
592 | ||
593 | ||
1a40491e | 594 | enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps) |
9d9f4119 | 595 | { |
9f2ace74 | 596 | enum CodecID id; |
1a40491e | 597 | id = ff_codec_get_id(ff_codec_wav_tags, tag); |
9d9f4119 MR |
598 | if (id <= 0) |
599 | return id; | |
600 | /* handle specific u8 codec */ | |
601 | if (id == CODEC_ID_PCM_S16LE && bps == 8) | |
602 | id = CODEC_ID_PCM_U8; | |
603 | if (id == CODEC_ID_PCM_S16LE && bps == 24) | |
604 | id = CODEC_ID_PCM_S24LE; | |
605 | if (id == CODEC_ID_PCM_S16LE && bps == 32) | |
606 | id = CODEC_ID_PCM_S32LE; | |
57406d8e PR |
607 | if (id == CODEC_ID_PCM_F32LE && bps == 64) |
608 | id = CODEC_ID_PCM_F64LE; | |
a11c2a2c MN |
609 | if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8) |
610 | id = CODEC_ID_PCM_ZORK; | |
9d9f4119 MR |
611 | return id; |
612 | } | |
773d892a | 613 | |
ae628ec1 | 614 | int ff_get_bmp_header(AVIOContext *pb, AVStream *st) |
773d892a PR |
615 | { |
616 | int tag1; | |
b7effd4e AK |
617 | avio_rl32(pb); /* size */ |
618 | st->codec->width = avio_rl32(pb); | |
619 | st->codec->height = (int32_t)avio_rl32(pb); | |
620 | avio_rl16(pb); /* planes */ | |
621 | st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */ | |
622 | tag1 = avio_rl32(pb); | |
623 | avio_rl32(pb); /* ImageSize */ | |
624 | avio_rl32(pb); /* XPelsPerMeter */ | |
625 | avio_rl32(pb); /* YPelsPerMeter */ | |
626 | avio_rl32(pb); /* ClrUsed */ | |
627 | avio_rl32(pb); /* ClrImportant */ | |
773d892a PR |
628 | return tag1; |
629 | } | |
9d9f4119 MR |
630 | #endif // CONFIG_DEMUXERS |
631 | ||
632 | void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale) | |
633 | { | |
634 | int gcd; | |
c019070f JR |
635 | int audio_frame_size; |
636 | ||
637 | /* We use the known constant frame size for the codec if known, otherwise | |
638 | fallback to using AVCodecContext.frame_size, which is not as reliable | |
639 | for indicating packet duration */ | |
640 | audio_frame_size = av_get_audio_frame_duration(stream, 0); | |
641 | if (!audio_frame_size) | |
642 | audio_frame_size = stream->frame_size; | |
9d9f4119 MR |
643 | |
644 | *au_ssize= stream->block_align; | |
c019070f JR |
645 | if (audio_frame_size && stream->sample_rate) { |
646 | *au_scale = audio_frame_size; | |
9d9f4119 | 647 | *au_rate= stream->sample_rate; |
72415b2a | 648 | }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO || |
e3b540b4 | 649 | stream->codec_type == AVMEDIA_TYPE_DATA || |
72415b2a | 650 | stream->codec_type == AVMEDIA_TYPE_SUBTITLE){ |
9d9f4119 MR |
651 | *au_scale= stream->time_base.num; |
652 | *au_rate = stream->time_base.den; | |
653 | }else{ | |
654 | *au_scale= stream->block_align ? stream->block_align*8 : 8; | |
a7805e29 | 655 | *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate; |
9d9f4119 | 656 | } |
9ce6c138 | 657 | gcd= av_gcd(*au_scale, *au_rate); |
9d9f4119 MR |
658 | *au_scale /= gcd; |
659 | *au_rate /= gcd; | |
660 | } | |
12bc2050 VV |
661 | |
662 | int ff_read_riff_info(AVFormatContext *s, int64_t size) | |
663 | { | |
664 | int64_t start, end, cur; | |
665 | AVIOContext *pb = s->pb; | |
666 | ||
667 | start = avio_tell(pb); | |
668 | end = start + size; | |
669 | ||
670 | while ((cur = avio_tell(pb)) >= 0 && cur <= end - 8 /* = tag + size */) { | |
671 | uint32_t chunk_code; | |
672 | int64_t chunk_size; | |
673 | char key[5] = {0}; | |
674 | char *value; | |
675 | ||
676 | chunk_code = avio_rl32(pb); | |
677 | chunk_size = avio_rl32(pb); | |
678 | if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) { | |
679 | av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n"); | |
680 | return AVERROR_INVALIDDATA; | |
681 | } | |
682 | ||
683 | chunk_size += (chunk_size & 1); | |
684 | ||
685 | value = av_malloc(chunk_size + 1); | |
686 | if (!value) { | |
687 | av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n"); | |
688 | return AVERROR(ENOMEM); | |
689 | } | |
690 | ||
691 | AV_WL32(key, chunk_code); | |
692 | ||
693 | if (avio_read(pb, value, chunk_size) != chunk_size) { | |
15cea369 | 694 | av_free(value); |
12bc2050 VV |
695 | av_log(s, AV_LOG_ERROR, "premature end of file while reading INFO tag\n"); |
696 | return AVERROR_INVALIDDATA; | |
697 | } | |
698 | ||
699 | value[chunk_size] = 0; | |
700 | ||
701 | av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL); | |
702 | } | |
703 | ||
704 | return 0; | |
705 | } |