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ffmpeg / libavformat / riff.c @ 4bae2251

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1 9d9f4119 Måns Rullgård
/*
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 * RIFF codec tags
3 406792e7 Diego Biurrun
 * Copyright (c) 2000 Fabrice Bellard
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 *
5 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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22 245976da Diego Biurrun
#include "libavcodec/avcodec.h"
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#include "avformat.h"
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#include "riff.h"
25 6e9f56c1 Ronald S. Bultje
#include "libavcodec/bytestream.h"
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/* Note: when encoding, the first matching tag is used, so order is
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   important if multiple tags possible for a given codec. */
29 1a40491e Daniel Verkamp
const AVCodecTag ff_codec_bmp_tags[] = {
30 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_H264,         MKTAG('H', '2', '6', '4') },
31
    { CODEC_ID_H264,         MKTAG('h', '2', '6', '4') },
32
    { CODEC_ID_H264,         MKTAG('X', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('x', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('a', 'v', 'c', '1') },
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    { CODEC_ID_H264,         MKTAG('V', 'S', 'S', 'H') },
36
    { CODEC_ID_H263,         MKTAG('H', '2', '6', '3') },
37 26e8d342 Ben Littler
    { CODEC_ID_H263,         MKTAG('X', '2', '6', '3') },
38 d7c6552c Ben Littler
    { CODEC_ID_H263,         MKTAG('T', '2', '6', '3') },
39 26e8d342 Ben Littler
    { CODEC_ID_H263,         MKTAG('L', '2', '6', '3') },
40 62d6f73e Ben Littler
    { CODEC_ID_H263,         MKTAG('V', 'X', '1', 'K') },
41 5aef8462 Michael Niedermayer
    { CODEC_ID_H263,         MKTAG('Z', 'y', 'G', 'o') },
42 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_H263P,        MKTAG('H', '2', '6', '3') },
43
    { CODEC_ID_H263I,        MKTAG('I', '2', '6', '3') }, /* intel h263 */
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    { CODEC_ID_H261,         MKTAG('H', '2', '6', '1') },
45
    { CODEC_ID_H263P,        MKTAG('U', '2', '6', '3') },
46
    { CODEC_ID_H263P,        MKTAG('v', 'i', 'v', '1') },
47
    { CODEC_ID_MPEG4,        MKTAG('F', 'M', 'P', '4') },
48
    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'V', 'X') },
49
    { CODEC_ID_MPEG4,        MKTAG('D', 'X', '5', '0') },
50
    { CODEC_ID_MPEG4,        MKTAG('X', 'V', 'I', 'D') },
51
    { CODEC_ID_MPEG4,        MKTAG('M', 'P', '4', 'S') },
52
    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'S', '2') },
53 36b0782e Aurelien Jacobs
    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  0 ) }, /* some broken avi use this */
54 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'V', '1') },
55
    { CODEC_ID_MPEG4,        MKTAG('B', 'L', 'Z', '0') },
56
    { CODEC_ID_MPEG4,        MKTAG('m', 'p', '4', 'v') },
57
    { CODEC_ID_MPEG4,        MKTAG('U', 'M', 'P', '4') },
58
    { CODEC_ID_MPEG4,        MKTAG('W', 'V', '1', 'F') },
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    { CODEC_ID_MPEG4,        MKTAG('S', 'E', 'D', 'G') },
60
    { CODEC_ID_MPEG4,        MKTAG('R', 'M', 'P', '4') },
61 1b46683c Benjamin Larsson
    { CODEC_ID_MPEG4,        MKTAG('3', 'I', 'V', '2') },
62 26ae363e Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('F', 'F', 'D', 'S') },
63 4a49a5fd Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('F', 'V', 'F', 'W') },
64 26e8d342 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('D', 'C', 'O', 'D') },
65
    { CODEC_ID_MPEG4,        MKTAG('M', 'V', 'X', 'M') },
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    { CODEC_ID_MPEG4,        MKTAG('P', 'M', '4', 'V') },
67
    { CODEC_ID_MPEG4,        MKTAG('S', 'M', 'P', '4') },
68
    { CODEC_ID_MPEG4,        MKTAG('D', 'X', 'G', 'M') },
69
    { CODEC_ID_MPEG4,        MKTAG('V', 'I', 'D', 'M') },
70
    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'T', '3') },
71 b8cf645b Michael Niedermayer
    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'X') },
72 26e8d342 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('H', 'D', 'X', '4') }, /* flipped video */
73 62d6f73e Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('D', 'M', 'K', '2') },
74 41b0534a Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'G', 'I') },
75 4a49a5fd Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('I', 'N', 'M', 'C') },
76 5823e4b8 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
77 76af2edc Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('E', 'M', '4', 'A') },
78 52837498 Alex Converse
    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
79 3596f4e0 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('S', 'N', '4', '0') },
80 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '3') }, /* default signature when using MSMPEG4 */
81
    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', '4', '3') },
82
    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', 'G', '3') },
83
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '5') },
84
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '6') },
85
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '4') },
86 4a49a5fd Ben Littler
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'V', 'X', '3') },
87 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSMPEG4V3,    MKTAG('A', 'P', '4', '1') },
88
    { CODEC_ID_MSMPEG4V3,    MKTAG('C', 'O', 'L', '1') },
89
    { CODEC_ID_MSMPEG4V3,    MKTAG('C', 'O', 'L', '0') },
90
    { CODEC_ID_MSMPEG4V2,    MKTAG('M', 'P', '4', '2') },
91
    { CODEC_ID_MSMPEG4V2,    MKTAG('D', 'I', 'V', '2') },
92
    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', 'G', '4') },
93 26e8d342 Ben Littler
    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', '4', '1') },
94 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_WMV1,         MKTAG('W', 'M', 'V', '1') },
95
    { CODEC_ID_WMV2,         MKTAG('W', 'M', 'V', '2') },
96
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 's', 'd') },
97
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', 'd') },
98 f9928b7e Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
99 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 's', 'l') },
100
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', '2', '5') },
101
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', '5', '0') },
102
    { CODEC_ID_DVVIDEO,      MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
103 13b47b40 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
104 26e8d342 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', ' ') },
105 4bae2251 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', 's') },
106 c20a305b Baptiste Coudurier
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
107 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG1VIDEO,   MKTAG('m', 'p', 'g', '1') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG('m', 'p', 'g', '2') },
109
    { CODEC_ID_MPEG2VIDEO,   MKTAG('m', 'p', 'g', '2') },
110
    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', 'P', 'E', 'G') },
111
    { CODEC_ID_MPEG1VIDEO,   MKTAG('P', 'I', 'M', '1') },
112 26e8d342 Ben Littler
    { CODEC_ID_MPEG2VIDEO,   MKTAG('P', 'I', 'M', '2') },
113 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG1VIDEO,   MKTAG('V', 'C', 'R', '2') },
114 36b0782e Aurelien Jacobs
    { CODEC_ID_MPEG1VIDEO,   MKTAG( 1 ,  0 ,  0 ,  16) },
115
    { CODEC_ID_MPEG2VIDEO,   MKTAG( 2 ,  0 ,  0 ,  16) },
116 bc7ea1e5 Jason Garrett-Glaser
    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  16) },
117 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG2VIDEO,   MKTAG('D', 'V', 'R', ' ') },
118
    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', 'M', 'E', 'S') },
119 6cffaea8 Ben Littler
    { CODEC_ID_MPEG2VIDEO,   MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
120 483aad71 Michael Niedermayer
    { CODEC_ID_MPEG2VIDEO,   MKTAG('s', 'l', 'i', 'f') },
121 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MJPEG,        MKTAG('M', 'J', 'P', 'G') },
122
    { CODEC_ID_MJPEG,        MKTAG('L', 'J', 'P', 'G') },
123 26e8d342 Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('d', 'm', 'b', '1') },
124 94ec3aca Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('m', 'j', 'p', 'a') },
125 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_LJPEG,        MKTAG('L', 'J', 'P', 'G') },
126
    { CODEC_ID_MJPEG,        MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
127
    { CODEC_ID_JPEGLS,       MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
128
    { CODEC_ID_MJPEG,        MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
129
    { CODEC_ID_MJPEG,        MKTAG('j', 'p', 'e', 'g') },
130
    { CODEC_ID_MJPEG,        MKTAG('I', 'J', 'P', 'G') },
131
    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'R', 'n') },
132 65fec2d9 Mike Melanson
    { CODEC_ID_MJPEG,        MKTAG('A', 'C', 'D', 'V') },
133 a9cf309b Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('Q', 'I', 'V', 'G') },
134 ed0879ed Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
135 54f8abde Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
136 54089ecd Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
137 dd9d5a1e Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
138 4b86926b Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '1') },
139
    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '2') },
140 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_HUFFYUV,      MKTAG('H', 'F', 'Y', 'U') },
141
    { CODEC_ID_FFVHUFF,      MKTAG('F', 'F', 'V', 'H') },
142
    { CODEC_ID_CYUV,         MKTAG('C', 'Y', 'U', 'V') },
143 36b0782e Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG( 0 ,  0 ,  0 ,  0 ) },
144 fc3fc029 Jason Garrett-Glaser
    { CODEC_ID_RAWVIDEO,     MKTAG( 3 ,  0 ,  0 ,  0 ) },
145 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG('I', '4', '2', '0') },
146
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'Y', '2') },
147
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '2', '2') },
148 9853bbb2 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('V', '4', '2', '2') },
149
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'N', 'V') },
150
    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'N', 'V') },
151
    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'N', 'Y') },
152
    { CODEC_ID_RAWVIDEO,     MKTAG('u', 'y', 'v', '1') },
153
    { CODEC_ID_RAWVIDEO,     MKTAG('2', 'V', 'u', '1') },
154 13547dd1 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('2', 'v', 'u', 'y') },
155 9853bbb2 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('P', '4', '2', '2') },
156 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', '1', '2') },
157
    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'V', 'Y') },
158 e47ca4f7 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('V', 'Y', 'U', 'Y') },
159 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG('I', 'Y', 'U', 'V') },
160
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '8', '0', '0') },
161
    { CODEC_ID_RAWVIDEO,     MKTAG('H', 'D', 'Y', 'C') },
162 71b0654c Michael Niedermayer
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', 'U', '9') },
163 d8b35b85 Reimar Döffinger
    { CODEC_ID_FRWU,         MKTAG('F', 'R', 'W', 'U') },
164 9c4e266c Baptiste Coudurier
    { CODEC_ID_V210,         MKTAG('v', '2', '1', '0') },
165 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_INDEO3,       MKTAG('I', 'V', '3', '1') },
166
    { CODEC_ID_INDEO3,       MKTAG('I', 'V', '3', '2') },
167
    { CODEC_ID_INDEO4,       MKTAG('I', 'V', '4', '1') },
168
    { CODEC_ID_INDEO5,       MKTAG('I', 'V', '5', '0') },
169
    { CODEC_ID_VP3,          MKTAG('V', 'P', '3', '1') },
170
    { CODEC_ID_VP3,          MKTAG('V', 'P', '3', '0') },
171
    { CODEC_ID_VP5,          MKTAG('V', 'P', '5', '0') },
172
    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '0') },
173
    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '1') },
174
    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '2') },
175
    { CODEC_ID_ASV1,         MKTAG('A', 'S', 'V', '1') },
176
    { CODEC_ID_ASV2,         MKTAG('A', 'S', 'V', '2') },
177
    { CODEC_ID_VCR1,         MKTAG('V', 'C', 'R', '1') },
178
    { CODEC_ID_FFV1,         MKTAG('F', 'F', 'V', '1') },
179
    { CODEC_ID_XAN_WC4,      MKTAG('X', 'x', 'a', 'n') },
180 e2260faa Ben Littler
    { CODEC_ID_MIMIC,        MKTAG('L', 'M', '2', '0') },
181 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSRLE,        MKTAG('m', 'r', 'l', 'e') },
182 36b0782e Aurelien Jacobs
    { CODEC_ID_MSRLE,        MKTAG( 1 ,  0 ,  0 ,  0 ) },
183 b30cb420 Kostya Shishkov
    { CODEC_ID_MSRLE,        MKTAG( 2 ,  0 ,  0 ,  0 ) },
184 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSVIDEO1,     MKTAG('M', 'S', 'V', 'C') },
185
    { CODEC_ID_MSVIDEO1,     MKTAG('m', 's', 'v', 'c') },
186
    { CODEC_ID_MSVIDEO1,     MKTAG('C', 'R', 'A', 'M') },
187
    { CODEC_ID_MSVIDEO1,     MKTAG('c', 'r', 'a', 'm') },
188
    { CODEC_ID_MSVIDEO1,     MKTAG('W', 'H', 'A', 'M') },
189
    { CODEC_ID_MSVIDEO1,     MKTAG('w', 'h', 'a', 'm') },
190
    { CODEC_ID_CINEPAK,      MKTAG('c', 'v', 'i', 'd') },
191
    { CODEC_ID_TRUEMOTION1,  MKTAG('D', 'U', 'C', 'K') },
192 bf23f6dc Ben Littler
    { CODEC_ID_TRUEMOTION1,  MKTAG('P', 'V', 'E', 'Z') },
193 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSZH,         MKTAG('M', 'S', 'Z', 'H') },
194
    { CODEC_ID_ZLIB,         MKTAG('Z', 'L', 'I', 'B') },
195
    { CODEC_ID_SNOW,         MKTAG('S', 'N', 'O', 'W') },
196
    { CODEC_ID_4XM,          MKTAG('4', 'X', 'M', 'V') },
197
    { CODEC_ID_FLV1,         MKTAG('F', 'L', 'V', '1') },
198
    { CODEC_ID_FLASHSV,      MKTAG('F', 'S', 'V', '1') },
199
    { CODEC_ID_VP6F,         MKTAG('V', 'P', '6', 'F') },
200
    { CODEC_ID_SVQ1,         MKTAG('s', 'v', 'q', '1') },
201
    { CODEC_ID_TSCC,         MKTAG('t', 's', 'c', 'c') },
202
    { CODEC_ID_ULTI,         MKTAG('U', 'L', 'T', 'I') },
203
    { CODEC_ID_VIXL,         MKTAG('V', 'I', 'X', 'L') },
204
    { CODEC_ID_QPEG,         MKTAG('Q', 'P', 'E', 'G') },
205
    { CODEC_ID_QPEG,         MKTAG('Q', '1', '.', '0') },
206
    { CODEC_ID_QPEG,         MKTAG('Q', '1', '.', '1') },
207
    { CODEC_ID_WMV3,         MKTAG('W', 'M', 'V', '3') },
208
    { CODEC_ID_VC1,          MKTAG('W', 'V', 'C', '1') },
209
    { CODEC_ID_VC1,          MKTAG('W', 'M', 'V', 'A') },
210
    { CODEC_ID_LOCO,         MKTAG('L', 'O', 'C', 'O') },
211
    { CODEC_ID_WNV1,         MKTAG('W', 'N', 'V', '1') },
212
    { CODEC_ID_AASC,         MKTAG('A', 'A', 'S', 'C') },
213
    { CODEC_ID_INDEO2,       MKTAG('R', 'T', '2', '1') },
214
    { CODEC_ID_FRAPS,        MKTAG('F', 'P', 'S', '1') },
215
    { CODEC_ID_THEORA,       MKTAG('t', 'h', 'e', 'o') },
216
    { CODEC_ID_TRUEMOTION2,  MKTAG('T', 'M', '2', '0') },
217
    { CODEC_ID_CSCD,         MKTAG('C', 'S', 'C', 'D') },
218
    { CODEC_ID_ZMBV,         MKTAG('Z', 'M', 'B', 'V') },
219
    { CODEC_ID_KMVC,         MKTAG('K', 'M', 'V', 'C') },
220
    { CODEC_ID_CAVS,         MKTAG('C', 'A', 'V', 'S') },
221
    { CODEC_ID_JPEG2000,     MKTAG('M', 'J', '2', 'C') },
222
    { CODEC_ID_VMNC,         MKTAG('V', 'M', 'n', 'c') },
223
    { CODEC_ID_TARGA,        MKTAG('t', 'g', 'a', ' ') },
224 f86cd761 Ben Littler
    { CODEC_ID_PNG,          MKTAG('M', 'P', 'N', 'G') },
225 0dccbba0 Thilo Borgmann
    { CODEC_ID_PNG,          MKTAG('P', 'N', 'G', '1') },
226 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_CLJR,         MKTAG('c', 'l', 'j', 'r') },
227 eb64714c Anuradha Suraparaju
    { CODEC_ID_DIRAC,        MKTAG('d', 'r', 'a', 'c') },
228 65fec2d9 Mike Melanson
    { CODEC_ID_RPZA,         MKTAG('a', 'z', 'p', 'r') },
229 c6340f86 Ben Littler
    { CODEC_ID_RPZA,         MKTAG('R', 'P', 'Z', 'A') },
230
    { CODEC_ID_RPZA,         MKTAG('r', 'p', 'z', 'a') },
231 e80c73b3 Eli Friedman
    { CODEC_ID_SP5X,         MKTAG('S', 'P', '5', '4') },
232 c21fbefb Kostya Shishkov
    { CODEC_ID_AURA,         MKTAG('A', 'U', 'R', 'A') },
233
    { CODEC_ID_AURA2,        MKTAG('A', 'U', 'R', '2') },
234 94d3d6a4 Jimmy Christensen
    { CODEC_ID_DPX,          MKTAG('d', 'p', 'x', ' ') },
235 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_NONE,         0 }
236 9d9f4119 Måns Rullgård
};
237
238 1a40491e Daniel Verkamp
const AVCodecTag ff_codec_wav_tags[] = {
239 8af9090f Diego Biurrun
    { CODEC_ID_PCM_S16LE,       0x0001 },
240
    { CODEC_ID_PCM_U8,          0x0001 }, /* must come after s16le in this list */
241
    { CODEC_ID_PCM_S24LE,       0x0001 },
242
    { CODEC_ID_PCM_S32LE,       0x0001 },
243
    { CODEC_ID_ADPCM_MS,        0x0002 },
244 57406d8e Peter Ross
    { CODEC_ID_PCM_F32LE,       0x0003 },
245
    { CODEC_ID_PCM_F64LE,       0x0003 }, /* must come after f32le in this list */
246 8af9090f Diego Biurrun
    { CODEC_ID_PCM_ALAW,        0x0006 },
247
    { CODEC_ID_PCM_MULAW,       0x0007 },
248
    { CODEC_ID_WMAVOICE,        0x000A },
249
    { CODEC_ID_ADPCM_IMA_WAV,   0x0011 },
250 4e0e6888 Peter Ross
    { CODEC_ID_PCM_ZORK,        0x0011 }, /* must come after adpcm_ima_wav in this list */
251 8af9090f Diego Biurrun
    { CODEC_ID_ADPCM_YAMAHA,    0x0020 },
252
    { CODEC_ID_TRUESPEECH,      0x0022 },
253
    { CODEC_ID_GSM_MS,          0x0031 },
254
    { CODEC_ID_ADPCM_G726,      0x0045 },
255
    { CODEC_ID_MP2,             0x0050 },
256
    { CODEC_ID_MP3,             0x0055 },
257 c26436ec Ben Littler
    { CODEC_ID_AMR_NB,          0x0057 },
258
    { CODEC_ID_AMR_WB,          0x0058 },
259 8af9090f Diego Biurrun
    { CODEC_ID_ADPCM_IMA_DK4,   0x0061 },  /* rogue format number */
260
    { CODEC_ID_ADPCM_IMA_DK3,   0x0062 },  /* rogue format number */
261 4becee23 Stefan Gehrer
    { CODEC_ID_ADPCM_IMA_WAV,   0x0069 },
262 8af9090f Diego Biurrun
    { CODEC_ID_VOXWARE,         0x0075 },
263
    { CODEC_ID_AAC,             0x00ff },
264 faeedbbb Benjamin Larsson
    { CODEC_ID_SIPR,            0x0130 },
265 8af9090f Diego Biurrun
    { CODEC_ID_WMAV1,           0x0160 },
266
    { CODEC_ID_WMAV2,           0x0161 },
267
    { CODEC_ID_WMAPRO,          0x0162 },
268 800b9c24 Benjamin Larsson
    { CODEC_ID_WMALOSSLESS,     0x0163 },
269 8af9090f Diego Biurrun
    { CODEC_ID_ADPCM_CT,        0x0200 },
270
    { CODEC_ID_ATRAC3,          0x0270 },
271
    { CODEC_ID_IMC,             0x0401 },
272
    { CODEC_ID_AC3,             0x2000 },
273
    { CODEC_ID_DTS,             0x2001 },
274
    { CODEC_ID_SONIC,           0x2048 },
275
    { CODEC_ID_SONIC_LS,        0x2048 },
276 8e6e9bac Jai Menon
    { CODEC_ID_PCM_MULAW,       0x6c75 },
277 8af9090f Diego Biurrun
    { CODEC_ID_AAC,             0x706d },
278 6cffaea8 Ben Littler
    { CODEC_ID_AAC,             0x4143 },
279 8af9090f Diego Biurrun
    { CODEC_ID_FLAC,            0xF1AC },
280
    { CODEC_ID_ADPCM_SWF,       ('S'<<8)+'F' },
281
    { CODEC_ID_VORBIS,          ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
282 6ae177aa Diego Biurrun
283
    /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
284 9d9f4119 Måns Rullgård
    // for NuppelVideo (nuv.c)
285
    { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
286 8af9090f Diego Biurrun
    { CODEC_ID_MP3,       MKTAG('L', 'A', 'M', 'E') },
287
    { CODEC_ID_MP3,       MKTAG('M', 'P', '3', ' ') },
288 bc2d2a07 Carl Eugen Hoyos
    { CODEC_ID_NONE,      0 },
289 9d9f4119 Måns Rullgård
};
290
291 b250f9c6 Aurelien Jacobs
#if CONFIG_MUXERS
292 1a40491e Daniel Verkamp
int64_t ff_start_tag(ByteIOContext *pb, const char *tag)
293 9d9f4119 Måns Rullgård
{
294
    put_tag(pb, tag);
295
    put_le32(pb, 0);
296
    return url_ftell(pb);
297
}
298
299 1a40491e Daniel Verkamp
void ff_end_tag(ByteIOContext *pb, int64_t start)
300 9d9f4119 Måns Rullgård
{
301 bc5c918e Diego Biurrun
    int64_t pos;
302 9d9f4119 Måns Rullgård
303
    pos = url_ftell(pb);
304
    url_fseek(pb, start - 4, SEEK_SET);
305
    put_le32(pb, (uint32_t)(pos - start));
306
    url_fseek(pb, pos, SEEK_SET);
307
}
308
309
/* WAVEFORMATEX header */
310
/* returns the size or -1 on error */
311 1a40491e Daniel Verkamp
int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
312 9d9f4119 Måns Rullgård
{
313
    int bps, blkalign, bytespersec;
314
    int hdrsize = 18;
315 6e9f56c1 Ronald S. Bultje
    int waveformatextensible;
316
    uint8_t temp[256];
317
    uint8_t *riff_extradata= temp;
318
    uint8_t *riff_extradata_start= temp;
319 9d9f4119 Måns Rullgård
320
    if(!enc->codec_tag || enc->codec_tag > 0xffff)
321
        return -1;
322 6e9f56c1 Ronald S. Bultje
    waveformatextensible = enc->channels > 2 && enc->channel_layout;
323 9d9f4119 Måns Rullgård
324 6e9f56c1 Ronald S. Bultje
    if (waveformatextensible) {
325
        put_le16(pb, 0xfffe);
326
    } else {
327 4bce3ba4 Ronald S. Bultje
        put_le16(pb, enc->codec_tag);
328 6e9f56c1 Ronald S. Bultje
    }
329 9d9f4119 Måns Rullgård
    put_le16(pb, enc->channels);
330
    put_le32(pb, enc->sample_rate);
331 235a51ad Baptiste Coudurier
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
332 9d9f4119 Måns Rullgård
        bps = 0;
333
    } else if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || enc->codec_id == CODEC_ID_ADPCM_MS || enc->codec_id == CODEC_ID_ADPCM_G726 || enc->codec_id == CODEC_ID_ADPCM_YAMAHA) { //
334
        bps = 4;
335
    } else {
336 24b8aa84 Baptiste Coudurier
        if (!(bps = av_get_bits_per_sample(enc->codec_id)))
337
            bps = 16; // default to 16
338 9d9f4119 Måns Rullgård
    }
339 dd1c8f3e Luca Abeni
    if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
340
        av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
341 9376710d Michael Niedermayer
    }
342 9d9f4119 Måns Rullgård
343 52cf3954 Baptiste Coudurier
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_AC3) {
344 755bfeab Diego Biurrun
        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
345 9d9f4119 Måns Rullgård
        //blkalign = 144 * enc->bit_rate/enc->sample_rate;
346
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
347
        blkalign = 1;
348
    } else if (enc->block_align != 0) { /* specified by the codec */
349
        blkalign = enc->block_align;
350
    } else
351
        blkalign = enc->channels*bps >> 3;
352
    if (enc->codec_id == CODEC_ID_PCM_U8 ||
353
        enc->codec_id == CODEC_ID_PCM_S24LE ||
354
        enc->codec_id == CODEC_ID_PCM_S32LE ||
355 57406d8e Peter Ross
        enc->codec_id == CODEC_ID_PCM_F32LE ||
356
        enc->codec_id == CODEC_ID_PCM_F64LE ||
357 9d9f4119 Måns Rullgård
        enc->codec_id == CODEC_ID_PCM_S16LE) {
358
        bytespersec = enc->sample_rate * blkalign;
359
    } else {
360
        bytespersec = enc->bit_rate / 8;
361
    }
362
    put_le32(pb, bytespersec); /* bytes per second */
363
    put_le16(pb, blkalign); /* block align */
364
    put_le16(pb, bps); /* bits per sample */
365
    if (enc->codec_id == CODEC_ID_MP3) {
366
        hdrsize += 12;
367 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, 1);    /* wID */
368
        bytestream_put_le32(&riff_extradata, 2);    /* fdwFlags */
369
        bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
370
        bytestream_put_le16(&riff_extradata, 1);    /* nFramesPerBlock */
371
        bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
372 9d9f4119 Måns Rullgård
    } else if (enc->codec_id == CODEC_ID_MP2) {
373
        hdrsize += 22;
374 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, 2);                          /* fwHeadLayer */
375
        bytestream_put_le32(&riff_extradata, enc->bit_rate);              /* dwHeadBitrate */
376
        bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
377
        bytestream_put_le16(&riff_extradata, 0);                          /* fwHeadModeExt */
378
        bytestream_put_le16(&riff_extradata, 1);                          /* wHeadEmphasis */
379
        bytestream_put_le16(&riff_extradata, 16);                         /* fwHeadFlags */
380
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSLow */
381
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSHigh */
382 c81604f8 Zhentan Feng
    } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
383 9d9f4119 Måns Rullgård
        hdrsize += 2;
384 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
385 9d9f4119 Måns Rullgård
    } else if(enc->extradata_size){
386 6e9f56c1 Ronald S. Bultje
        riff_extradata_start= enc->extradata;
387
        riff_extradata= enc->extradata + enc->extradata_size;
388 9d9f4119 Måns Rullgård
        hdrsize += enc->extradata_size;
389 6e9f56c1 Ronald S. Bultje
    } else if (!waveformatextensible){
390
        hdrsize -= 2;
391
    }
392
    if(waveformatextensible) {                                    /* write WAVEFORMATEXTENSIBLE extensions */
393
        hdrsize += 22;
394
        put_le16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
395
        put_le16(pb, enc->bits_per_coded_sample);                 /* ValidBitsPerSample || SamplesPerBlock || Reserved */
396
        put_le32(pb, enc->channel_layout);                        /* dwChannelMask */
397
        put_le32(pb, enc->codec_tag);                             /* GUID + next 3 */
398
        put_le32(pb, 0x00100000);
399
        put_le32(pb, 0xAA000080);
400
        put_le32(pb, 0x719B3800);
401
    } else if(riff_extradata - riff_extradata_start) {
402
        put_le16(pb, riff_extradata - riff_extradata_start);
403
    }
404
    put_buffer(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
405 4bce3ba4 Ronald S. Bultje
    if(hdrsize&1){
406
        hdrsize++;
407
        put_byte(pb, 0);
408
    }
409 9d9f4119 Måns Rullgård
410
    return hdrsize;
411
}
412
413
/* BITMAPINFOHEADER header */
414 1a40491e Daniel Verkamp
void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
415 9d9f4119 Måns Rullgård
{
416
    put_le32(pb, 40 + enc->extradata_size); /* size */
417
    put_le32(pb, enc->width);
418 31f2616d Michael Niedermayer
    //We always store RGB TopDown
419
    put_le32(pb, enc->codec_tag ? enc->height : -enc->height);
420 9d9f4119 Måns Rullgård
    put_le16(pb, 1); /* planes */
421
422 dd1c8f3e Luca Abeni
    put_le16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
423 9d9f4119 Måns Rullgård
    /* compression type */
424 bb85077f Michael Niedermayer
    put_le32(pb, enc->codec_tag);
425 9d9f4119 Måns Rullgård
    put_le32(pb, enc->width * enc->height * 3);
426
    put_le32(pb, 0);
427
    put_le32(pb, 0);
428
    put_le32(pb, 0);
429
    put_le32(pb, 0);
430
431
    put_buffer(pb, enc->extradata, enc->extradata_size);
432
433
    if (enc->extradata_size & 1)
434
        put_byte(pb, 0);
435
}
436
#endif //CONFIG_MUXERS
437
438 b250f9c6 Aurelien Jacobs
#if CONFIG_DEMUXERS
439 9d9f4119 Måns Rullgård
/* We could be given one of the three possible structures here:
440
 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
441
 * is an expansion of the previous one with the fields added
442
 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
443
 * WAVEFORMATEX adds 'WORD  cbSize' and basically makes itself
444
 * an openended structure.
445
 */
446 1a40491e Daniel Verkamp
void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size)
447 9d9f4119 Måns Rullgård
{
448
    int id;
449
450
    id = get_le16(pb);
451
    codec->codec_type = CODEC_TYPE_AUDIO;
452
    codec->codec_tag = id;
453
    codec->channels = get_le16(pb);
454
    codec->sample_rate = get_le32(pb);
455
    codec->bit_rate = get_le32(pb) * 8;
456
    codec->block_align = get_le16(pb);
457
    if (size == 14) {  /* We're dealing with plain vanilla WAVEFORMAT */
458 dd1c8f3e Luca Abeni
        codec->bits_per_coded_sample = 8;
459 9d9f4119 Måns Rullgård
    }else
460 dd1c8f3e Luca Abeni
        codec->bits_per_coded_sample = get_le16(pb);
461 72fd40bd Baptiste Coudurier
    if (size >= 18) {  /* We're obviously dealing with WAVEFORMATEX */
462
        int cbSize = get_le16(pb); /* cbSize */
463
        size -= 18;
464
        cbSize = FFMIN(size, cbSize);
465
        if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
466 dd1c8f3e Luca Abeni
            codec->bits_per_coded_sample = get_le16(pb);
467 4fd71a0e Peter Ross
            codec->channel_layout = get_le32(pb); /* dwChannelMask */
468 72fd40bd Baptiste Coudurier
            id = get_le32(pb); /* 4 first bytes of GUID */
469
            url_fskip(pb, 12); /* skip end of GUID */
470
            cbSize -= 22;
471
            size -= 22;
472
        }
473
        codec->extradata_size = cbSize;
474
        if (cbSize > 0) {
475 9d9f4119 Måns Rullgård
            codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
476
            get_buffer(pb, codec->extradata, codec->extradata_size);
477 72fd40bd Baptiste Coudurier
            size -= cbSize;
478
        }
479 9d9f4119 Måns Rullgård
480
        /* It is possible for the chunk to contain garbage at the end */
481 72fd40bd Baptiste Coudurier
        if (size > 0)
482
            url_fskip(pb, size);
483 9d9f4119 Måns Rullgård
    }
484 1a40491e Daniel Verkamp
    codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
485 9d9f4119 Måns Rullgård
}
486
487
488 1a40491e Daniel Verkamp
enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
489 9d9f4119 Måns Rullgård
{
490 9f2ace74 Carl Eugen Hoyos
    enum CodecID id;
491 1a40491e Daniel Verkamp
    id = ff_codec_get_id(ff_codec_wav_tags, tag);
492 9d9f4119 Måns Rullgård
    if (id <= 0)
493
        return id;
494
    /* handle specific u8 codec */
495
    if (id == CODEC_ID_PCM_S16LE && bps == 8)
496
        id = CODEC_ID_PCM_U8;
497
    if (id == CODEC_ID_PCM_S16LE && bps == 24)
498
        id = CODEC_ID_PCM_S24LE;
499
    if (id == CODEC_ID_PCM_S16LE && bps == 32)
500
        id = CODEC_ID_PCM_S32LE;
501 57406d8e Peter Ross
    if (id == CODEC_ID_PCM_F32LE && bps == 64)
502
        id = CODEC_ID_PCM_F64LE;
503 a11c2a2c Michael Niedermayer
    if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
504
        id = CODEC_ID_PCM_ZORK;
505 9d9f4119 Måns Rullgård
    return id;
506
}
507
#endif // CONFIG_DEMUXERS
508
509
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
510
{
511
    int gcd;
512
513
    *au_ssize= stream->block_align;
514
    if(stream->frame_size && stream->sample_rate){
515
        *au_scale=stream->frame_size;
516
        *au_rate= stream->sample_rate;
517 188842ef Aurelien Jacobs
    }else if(stream->codec_type == CODEC_TYPE_VIDEO ||
518
             stream->codec_type == CODEC_TYPE_SUBTITLE){
519 9d9f4119 Måns Rullgård
        *au_scale= stream->time_base.num;
520
        *au_rate = stream->time_base.den;
521
    }else{
522
        *au_scale= stream->block_align ? stream->block_align*8 : 8;
523 a7805e29 Michael Niedermayer
        *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
524 9d9f4119 Måns Rullgård
    }
525 9ce6c138 Aurelien Jacobs
    gcd= av_gcd(*au_scale, *au_rate);
526 9d9f4119 Måns Rullgård
    *au_scale /= gcd;
527
    *au_rate /= gcd;
528
}