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ffmpeg / libavformat / riff.c @ 2912e87a

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1 9d9f4119 Måns Rullgård
/*
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 * RIFF codec tags
3 406792e7 Diego Biurrun
 * Copyright (c) 2000 Fabrice Bellard
4 9d9f4119 Måns Rullgård
 *
5 2912e87a Mans Rullgard
 * This file is part of Libav.
6 b78e7197 Diego Biurrun
 *
7 2912e87a Mans Rullgard
 * Libav is free software; you can redistribute it and/or
8 9d9f4119 Måns Rullgård
 * modify it under the terms of the GNU Lesser General Public
9
 * 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.
11 9d9f4119 Måns Rullgård
 *
12 2912e87a Mans Rullgard
 * Libav is distributed in the hope that it will be useful,
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 * 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
 *
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 * You should have received a copy of the GNU Lesser General Public
18 2912e87a Mans Rullgard
 * License along with Libav; if not, write to the Free Software
19 9d9f4119 Måns Rullgård
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21
22 245976da Diego Biurrun
#include "libavcodec/avcodec.h"
23 9d9f4119 Måns Rullgård
#include "avformat.h"
24 0abdb293 Anton Khirnov
#include "avio_internal.h"
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#include "riff.h"
26 6e9f56c1 Ronald S. Bultje
#include "libavcodec/bytestream.h"
27 9d9f4119 Måns Rullgård
28
/* Note: when encoding, the first matching tag is used, so order is
29
   important if multiple tags possible for a given codec. */
30 1a40491e Daniel Verkamp
const AVCodecTag ff_codec_bmp_tags[] = {
31 ab0b2e55 Aurelien Jacobs
    { 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') },
37
    { CODEC_ID_H263,         MKTAG('H', '2', '6', '3') },
38 26e8d342 Ben Littler
    { CODEC_ID_H263,         MKTAG('X', '2', '6', '3') },
39 d7c6552c Ben Littler
    { CODEC_ID_H263,         MKTAG('T', '2', '6', '3') },
40 26e8d342 Ben Littler
    { CODEC_ID_H263,         MKTAG('L', '2', '6', '3') },
41 62d6f73e Ben Littler
    { CODEC_ID_H263,         MKTAG('V', 'X', '1', 'K') },
42 5aef8462 Michael Niedermayer
    { CODEC_ID_H263,         MKTAG('Z', 'y', 'G', 'o') },
43 ab0b2e55 Aurelien Jacobs
    { 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') },
46
    { CODEC_ID_H263P,        MKTAG('U', '2', '6', '3') },
47
    { CODEC_ID_H263P,        MKTAG('v', 'i', 'v', '1') },
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') },
54 36b0782e Aurelien Jacobs
    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  0 ) }, /* some broken avi use this */
55 ab0b2e55 Aurelien Jacobs
    { 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') },
61
    { CODEC_ID_MPEG4,        MKTAG('R', 'M', 'P', '4') },
62 1b46683c Benjamin Larsson
    { CODEC_ID_MPEG4,        MKTAG('3', 'I', 'V', '2') },
63 f0feb4d7 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
64 26ae363e Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('F', 'F', 'D', 'S') },
65 4a49a5fd Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('F', 'V', 'F', 'W') },
66 26e8d342 Ben Littler
    { 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') },
73 b8cf645b Michael Niedermayer
    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'X') },
74 26e8d342 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('H', 'D', 'X', '4') }, /* flipped video */
75 62d6f73e Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('D', 'M', 'K', '2') },
76 41b0534a Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'G', 'I') },
77 4a49a5fd Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('I', 'N', 'M', 'C') },
78 5823e4b8 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
79 76af2edc Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('E', 'M', '4', 'A') },
80 52837498 Alex Converse
    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
81 3596f4e0 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('S', 'N', '4', '0') },
82 6667d5a5 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('V', 'S', 'P', 'X') },
83 5bc3fc21 Ben Littler
    { CODEC_ID_MPEG4,        MKTAG('U', 'L', 'D', 'X') },
84 86d58bcf Michael Niedermayer
    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'V') },
85 74c853b6 Carl Eugen Hoyos
    { CODEC_ID_MPEG4,        MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
86 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', '4', '3') },
87 2d91366c Carl Eugen Hoyos
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '3') },
88 ab0b2e55 Aurelien Jacobs
    { 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') },
92 4a49a5fd Ben Littler
    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'V', 'X', '3') },
93 ab0b2e55 Aurelien Jacobs
    { 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') },
96
    { CODEC_ID_MSMPEG4V2,    MKTAG('M', 'P', '4', '2') },
97
    { CODEC_ID_MSMPEG4V2,    MKTAG('D', 'I', 'V', '2') },
98
    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', 'G', '4') },
99 26e8d342 Ben Littler
    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', '4', '1') },
100 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_WMV1,         MKTAG('W', 'M', 'V', '1') },
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') },
104 f9928b7e Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
105 ab0b2e55 Aurelien Jacobs
    { 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 */
109 13b47b40 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
110 26e8d342 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', ' ') },
111 4bae2251 Ben Littler
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', 's') },
112 c20a305b Baptiste Coudurier
    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
113 ab0b2e55 Aurelien Jacobs
    { 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') },
118 26e8d342 Ben Littler
    { CODEC_ID_MPEG2VIDEO,   MKTAG('P', 'I', 'M', '2') },
119 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG1VIDEO,   MKTAG('V', 'C', 'R', '2') },
120 36b0782e Aurelien Jacobs
    { CODEC_ID_MPEG1VIDEO,   MKTAG( 1 ,  0 ,  0 ,  16) },
121
    { CODEC_ID_MPEG2VIDEO,   MKTAG( 2 ,  0 ,  0 ,  16) },
122 bc7ea1e5 Jason Garrett-Glaser
    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  16) },
123 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MPEG2VIDEO,   MKTAG('D', 'V', 'R', ' ') },
124
    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', 'M', 'E', 'S') },
125 6cffaea8 Ben Littler
    { CODEC_ID_MPEG2VIDEO,   MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
126 483aad71 Michael Niedermayer
    { CODEC_ID_MPEG2VIDEO,   MKTAG('s', 'l', 'i', 'f') },
127 f63e5a74 Carl Eugen Hoyos
    { CODEC_ID_MPEG2VIDEO,   MKTAG('E', 'M', '2', 'V') },
128 77d3f1f7 Tomas Härdin
    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
129 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MJPEG,        MKTAG('M', 'J', 'P', 'G') },
130
    { CODEC_ID_MJPEG,        MKTAG('L', 'J', 'P', 'G') },
131 26e8d342 Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('d', 'm', 'b', '1') },
132 94ec3aca Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('m', 'j', 'p', 'a') },
133 ab0b2e55 Aurelien Jacobs
    { 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 */
136 f10d3d34 Francesco Lavra
    { CODEC_ID_JPEGLS,       MKTAG('M', 'J', 'P', 'G') },
137 ab0b2e55 Aurelien Jacobs
    { 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') },
141 65fec2d9 Mike Melanson
    { CODEC_ID_MJPEG,        MKTAG('A', 'C', 'D', 'V') },
142 a9cf309b Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('Q', 'I', 'V', 'G') },
143 ed0879ed Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
144 54f8abde Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
145 54089ecd Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
146 dd9d5a1e Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
147 4b86926b Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '1') },
148
    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '2') },
149 ab176fdf Carl Eugen Hoyos
    { CODEC_ID_MJPEG,        MKTAG('M', 'T', 'S', 'J') },
150 418a287c Ben Littler
    { CODEC_ID_MJPEG,        MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
151 ab0b2e55 Aurelien Jacobs
    { 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') },
154 36b0782e Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG( 0 ,  0 ,  0 ,  0 ) },
155 fc3fc029 Jason Garrett-Glaser
    { CODEC_ID_RAWVIDEO,     MKTAG( 3 ,  0 ,  0 ,  0 ) },
156 ab0b2e55 Aurelien Jacobs
    { 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') },
159 9853bbb2 Ben Littler
    { 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') },
165 13547dd1 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('2', 'v', 'u', 'y') },
166 3d305fd0 Andrew Wason
    { CODEC_ID_RAWVIDEO,     MKTAG('y', 'u', 'v', 's') },
167 9853bbb2 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('P', '4', '2', '2') },
168 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', '1', '2') },
169
    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'V', 'Y') },
170 e47ca4f7 Ben Littler
    { CODEC_ID_RAWVIDEO,     MKTAG('V', 'Y', 'U', 'Y') },
171 ab0b2e55 Aurelien Jacobs
    { 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') },
174 71b0654c Michael Niedermayer
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', 'U', '9') },
175 8be7ac98 ami_stuff
    { CODEC_ID_RAWVIDEO,     MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
176 b43f432c Stefano Sabatini
    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '1', '1') },
177 73762de1 Stefano Sabatini
    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '1', '2') },
178
    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '2', '1') },
179 781cf5fd Stefano Sabatini
    { 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') },
183 d8b35b85 Reimar Döffinger
    { CODEC_ID_FRWU,         MKTAG('F', 'R', 'W', 'U') },
184 43836928 Zhou Zongyi
    { CODEC_ID_R10K,         MKTAG('R', '1', '0', 'k') },
185 4aaab0a3 Reimar Döffinger
    { CODEC_ID_R210,         MKTAG('r', '2', '1', '0') },
186 9c4e266c Baptiste Coudurier
    { CODEC_ID_V210,         MKTAG('v', '2', '1', '0') },
187 ab0b2e55 Aurelien Jacobs
    { 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') },
197 337104ac Anssi Hannula
    { CODEC_ID_VP6F,         MKTAG('V', 'P', '6', 'F') },
198 03cb8458 Christian Schmidt
    { CODEC_ID_VP6F,         MKTAG('F', 'L', 'V', '4') },
199 6c7c6293 Google
    { CODEC_ID_VP8,          MKTAG('V', 'P', '8', '0') },
200 ab0b2e55 Aurelien Jacobs
    { 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') },
205 e2260faa Ben Littler
    { CODEC_ID_MIMIC,        MKTAG('L', 'M', '2', '0') },
206 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_MSRLE,        MKTAG('m', 'r', 'l', 'e') },
207 36b0782e Aurelien Jacobs
    { CODEC_ID_MSRLE,        MKTAG( 1 ,  0 ,  0 ,  0 ) },
208 b30cb420 Kostya Shishkov
    { CODEC_ID_MSRLE,        MKTAG( 2 ,  0 ,  0 ,  0 ) },
209 ab0b2e55 Aurelien Jacobs
    { 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') },
217 bf23f6dc Ben Littler
    { CODEC_ID_TRUEMOTION1,  MKTAG('P', 'V', 'E', 'Z') },
218 ab0b2e55 Aurelien Jacobs
    { 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') },
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') },
232 cba322d7 Kostya Shishkov
    { CODEC_ID_WMV3,         MKTAG('W', 'M', 'V', 'P') },
233 ab0b2e55 Aurelien Jacobs
    { 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', ' ') },
249 f86cd761 Ben Littler
    { CODEC_ID_PNG,          MKTAG('M', 'P', 'N', 'G') },
250 0dccbba0 Thilo Borgmann
    { CODEC_ID_PNG,          MKTAG('P', 'N', 'G', '1') },
251 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_CLJR,         MKTAG('c', 'l', 'j', 'r') },
252 eb64714c Anuradha Suraparaju
    { CODEC_ID_DIRAC,        MKTAG('d', 'r', 'a', 'c') },
253 65fec2d9 Mike Melanson
    { CODEC_ID_RPZA,         MKTAG('a', 'z', 'p', 'r') },
254 c6340f86 Ben Littler
    { CODEC_ID_RPZA,         MKTAG('R', 'P', 'Z', 'A') },
255
    { CODEC_ID_RPZA,         MKTAG('r', 'p', 'z', 'a') },
256 e80c73b3 Eli Friedman
    { CODEC_ID_SP5X,         MKTAG('S', 'P', '5', '4') },
257 c21fbefb Kostya Shishkov
    { CODEC_ID_AURA,         MKTAG('A', 'U', 'R', 'A') },
258
    { CODEC_ID_AURA2,        MKTAG('A', 'U', 'R', '2') },
259 94d3d6a4 Jimmy Christensen
    { CODEC_ID_DPX,          MKTAG('d', 'p', 'x', ' ') },
260 bf354122 Daniel Verkamp
    { CODEC_ID_KGV1,         MKTAG('K', 'G', 'V', '1') },
261 d267b339 Carl Eugen Hoyos
    { CODEC_ID_LAGARITH,     MKTAG('L', 'A', 'G', 'S') },
262 ab0b2e55 Aurelien Jacobs
    { CODEC_ID_NONE,         0 }
263 9d9f4119 Måns Rullgård
};
264
265 1a40491e Daniel Verkamp
const AVCodecTag ff_codec_wav_tags[] = {
266 8af9090f Diego Biurrun
    { 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 },
271 57406d8e Peter Ross
    { CODEC_ID_PCM_F32LE,       0x0003 },
272
    { CODEC_ID_PCM_F64LE,       0x0003 }, /* must come after f32le in this list */
273 8af9090f Diego Biurrun
    { CODEC_ID_PCM_ALAW,        0x0006 },
274
    { CODEC_ID_PCM_MULAW,       0x0007 },
275
    { CODEC_ID_WMAVOICE,        0x000A },
276
    { CODEC_ID_ADPCM_IMA_WAV,   0x0011 },
277 4e0e6888 Peter Ross
    { CODEC_ID_PCM_ZORK,        0x0011 }, /* must come after adpcm_ima_wav in this list */
278 8af9090f Diego Biurrun
    { 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 },
284 c26436ec Ben Littler
    { CODEC_ID_AMR_NB,          0x0057 },
285
    { CODEC_ID_AMR_WB,          0x0058 },
286 8af9090f Diego Biurrun
    { CODEC_ID_ADPCM_IMA_DK4,   0x0061 },  /* rogue format number */
287
    { CODEC_ID_ADPCM_IMA_DK3,   0x0062 },  /* rogue format number */
288 4becee23 Stefan Gehrer
    { CODEC_ID_ADPCM_IMA_WAV,   0x0069 },
289 8af9090f Diego Biurrun
    { CODEC_ID_VOXWARE,         0x0075 },
290
    { CODEC_ID_AAC,             0x00ff },
291 faeedbbb Benjamin Larsson
    { CODEC_ID_SIPR,            0x0130 },
292 8af9090f Diego Biurrun
    { CODEC_ID_WMAV1,           0x0160 },
293
    { CODEC_ID_WMAV2,           0x0161 },
294
    { CODEC_ID_WMAPRO,          0x0162 },
295 800b9c24 Benjamin Larsson
    { CODEC_ID_WMALOSSLESS,     0x0163 },
296 8af9090f Diego Biurrun
    { CODEC_ID_ADPCM_CT,        0x0200 },
297
    { CODEC_ID_ATRAC3,          0x0270 },
298 e8ffb2fa Peter Ross
    { CODEC_ID_ADPCM_G722,      0x028F },
299 8af9090f Diego Biurrun
    { CODEC_ID_IMC,             0x0401 },
300 4bf2b9e8 Ben Littler
    { CODEC_ID_GSM_MS,          0x1500 },
301
    { CODEC_ID_TRUESPEECH,      0x1501 },
302 d34ca1cf Peter Ross
    { CODEC_ID_AAC,             0x1600 }, /* ADTS AAC */
303 50d83b20 Peter Ross
    { CODEC_ID_AAC_LATM,        0x1602 },
304 8af9090f Diego Biurrun
    { CODEC_ID_AC3,             0x2000 },
305
    { CODEC_ID_DTS,             0x2001 },
306
    { CODEC_ID_SONIC,           0x2048 },
307
    { CODEC_ID_SONIC_LS,        0x2048 },
308 8e6e9bac Jai Menon
    { CODEC_ID_PCM_MULAW,       0x6c75 },
309 8af9090f Diego Biurrun
    { CODEC_ID_AAC,             0x706d },
310 6cffaea8 Ben Littler
    { CODEC_ID_AAC,             0x4143 },
311 8af9090f Diego Biurrun
    { CODEC_ID_FLAC,            0xF1AC },
312
    { CODEC_ID_ADPCM_SWF,       ('S'<<8)+'F' },
313
    { CODEC_ID_VORBIS,          ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
314 6ae177aa Diego Biurrun
315
    /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
316 9d9f4119 Måns Rullgård
    // for NuppelVideo (nuv.c)
317
    { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
318 8af9090f Diego Biurrun
    { CODEC_ID_MP3,       MKTAG('L', 'A', 'M', 'E') },
319
    { CODEC_ID_MP3,       MKTAG('M', 'P', '3', ' ') },
320 bc2d2a07 Carl Eugen Hoyos
    { CODEC_ID_NONE,      0 },
321 9d9f4119 Måns Rullgård
};
322
323 b250f9c6 Aurelien Jacobs
#if CONFIG_MUXERS
324 ae628ec1 Anton Khirnov
int64_t ff_start_tag(AVIOContext *pb, const char *tag)
325 9d9f4119 Måns Rullgård
{
326 0abdb293 Anton Khirnov
    ffio_wfourcc(pb, tag);
327 77eb5504 Anton Khirnov
    avio_wl32(pb, 0);
328 a2704c97 Anton Khirnov
    return avio_tell(pb);
329 9d9f4119 Måns Rullgård
}
330
331 ae628ec1 Anton Khirnov
void ff_end_tag(AVIOContext *pb, int64_t start)
332 9d9f4119 Måns Rullgård
{
333 bc5c918e Diego Biurrun
    int64_t pos;
334 9d9f4119 Måns Rullgård
335 a2704c97 Anton Khirnov
    pos = avio_tell(pb);
336 6b4aa5da Anton Khirnov
    avio_seek(pb, start - 4, SEEK_SET);
337 77eb5504 Anton Khirnov
    avio_wl32(pb, (uint32_t)(pos - start));
338 6b4aa5da Anton Khirnov
    avio_seek(pb, pos, SEEK_SET);
339 9d9f4119 Måns Rullgård
}
340
341
/* WAVEFORMATEX header */
342
/* returns the size or -1 on error */
343 ae628ec1 Anton Khirnov
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
344 9d9f4119 Måns Rullgård
{
345
    int bps, blkalign, bytespersec;
346
    int hdrsize = 18;
347 6e9f56c1 Ronald S. Bultje
    int waveformatextensible;
348
    uint8_t temp[256];
349
    uint8_t *riff_extradata= temp;
350
    uint8_t *riff_extradata_start= temp;
351 9d9f4119 Måns Rullgård
352
    if(!enc->codec_tag || enc->codec_tag > 0xffff)
353
        return -1;
354 2c2a167c Michael Niedermayer
    waveformatextensible =   (enc->channels > 2 && enc->channel_layout)
355
                          || enc->sample_rate > 48000
356
                          || av_get_bits_per_sample(enc->codec_id) > 16;
357 9d9f4119 Måns Rullgård
358 6e9f56c1 Ronald S. Bultje
    if (waveformatextensible) {
359 77eb5504 Anton Khirnov
        avio_wl16(pb, 0xfffe);
360 6e9f56c1 Ronald S. Bultje
    } else {
361 77eb5504 Anton Khirnov
        avio_wl16(pb, enc->codec_tag);
362 6e9f56c1 Ronald S. Bultje
    }
363 77eb5504 Anton Khirnov
    avio_wl16(pb, enc->channels);
364
    avio_wl32(pb, enc->sample_rate);
365 235a51ad Baptiste Coudurier
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
366 9d9f4119 Måns Rullgård
        bps = 0;
367 9df9b810 Daniel Verkamp
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
368 9d9f4119 Måns Rullgård
        bps = 4;
369
    } else {
370 24b8aa84 Baptiste Coudurier
        if (!(bps = av_get_bits_per_sample(enc->codec_id)))
371
            bps = 16; // default to 16
372 9d9f4119 Måns Rullgård
    }
373 dd1c8f3e Luca Abeni
    if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
374
        av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
375 9376710d Michael Niedermayer
    }
376 9d9f4119 Måns Rullgård
377 504530bf Carl Eugen Hoyos
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
378 755bfeab Diego Biurrun
        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
379 9d9f4119 Måns Rullgård
        //blkalign = 144 * enc->bit_rate/enc->sample_rate;
380 504530bf Carl Eugen Hoyos
    } else if (enc->codec_id == CODEC_ID_AC3) {
381
            blkalign = 3840; //maximum bytes per frame
382 9d9f4119 Måns Rullgård
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
383
        blkalign = 1;
384
    } else if (enc->block_align != 0) { /* specified by the codec */
385
        blkalign = enc->block_align;
386
    } else
387
        blkalign = enc->channels*bps >> 3;
388
    if (enc->codec_id == CODEC_ID_PCM_U8 ||
389
        enc->codec_id == CODEC_ID_PCM_S24LE ||
390
        enc->codec_id == CODEC_ID_PCM_S32LE ||
391 57406d8e Peter Ross
        enc->codec_id == CODEC_ID_PCM_F32LE ||
392
        enc->codec_id == CODEC_ID_PCM_F64LE ||
393 9d9f4119 Måns Rullgård
        enc->codec_id == CODEC_ID_PCM_S16LE) {
394
        bytespersec = enc->sample_rate * blkalign;
395
    } else {
396
        bytespersec = enc->bit_rate / 8;
397
    }
398 77eb5504 Anton Khirnov
    avio_wl32(pb, bytespersec); /* bytes per second */
399
    avio_wl16(pb, blkalign); /* block align */
400
    avio_wl16(pb, bps); /* bits per sample */
401 9d9f4119 Måns Rullgård
    if (enc->codec_id == CODEC_ID_MP3) {
402
        hdrsize += 12;
403 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, 1);    /* wID */
404
        bytestream_put_le32(&riff_extradata, 2);    /* fdwFlags */
405
        bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
406
        bytestream_put_le16(&riff_extradata, 1);    /* nFramesPerBlock */
407
        bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
408 9d9f4119 Måns Rullgård
    } else if (enc->codec_id == CODEC_ID_MP2) {
409
        hdrsize += 22;
410 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, 2);                          /* fwHeadLayer */
411
        bytestream_put_le32(&riff_extradata, enc->bit_rate);              /* dwHeadBitrate */
412
        bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
413
        bytestream_put_le16(&riff_extradata, 0);                          /* fwHeadModeExt */
414
        bytestream_put_le16(&riff_extradata, 1);                          /* wHeadEmphasis */
415
        bytestream_put_le16(&riff_extradata, 16);                         /* fwHeadFlags */
416
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSLow */
417
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSHigh */
418 c81604f8 Zhentan Feng
    } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
419 9d9f4119 Måns Rullgård
        hdrsize += 2;
420 6e9f56c1 Ronald S. Bultje
        bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
421 9d9f4119 Måns Rullgård
    } else if(enc->extradata_size){
422 6e9f56c1 Ronald S. Bultje
        riff_extradata_start= enc->extradata;
423
        riff_extradata= enc->extradata + enc->extradata_size;
424 9d9f4119 Måns Rullgård
        hdrsize += enc->extradata_size;
425 6e9f56c1 Ronald S. Bultje
    } else if (!waveformatextensible){
426
        hdrsize -= 2;
427
    }
428
    if(waveformatextensible) {                                    /* write WAVEFORMATEXTENSIBLE extensions */
429
        hdrsize += 22;
430 77eb5504 Anton Khirnov
        avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
431
        avio_wl16(pb, enc->bits_per_coded_sample);                 /* ValidBitsPerSample || SamplesPerBlock || Reserved */
432
        avio_wl32(pb, enc->channel_layout);                        /* dwChannelMask */
433
        avio_wl32(pb, enc->codec_tag);                             /* GUID + next 3 */
434
        avio_wl32(pb, 0x00100000);
435
        avio_wl32(pb, 0xAA000080);
436
        avio_wl32(pb, 0x719B3800);
437 6e9f56c1 Ronald S. Bultje
    } else if(riff_extradata - riff_extradata_start) {
438 77eb5504 Anton Khirnov
        avio_wl16(pb, riff_extradata - riff_extradata_start);
439 6e9f56c1 Ronald S. Bultje
    }
440 77eb5504 Anton Khirnov
    avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
441 4bce3ba4 Ronald S. Bultje
    if(hdrsize&1){
442
        hdrsize++;
443 77eb5504 Anton Khirnov
        avio_w8(pb, 0);
444 4bce3ba4 Ronald S. Bultje
    }
445 9d9f4119 Måns Rullgård
446
    return hdrsize;
447
}
448
449
/* BITMAPINFOHEADER header */
450 ae628ec1 Anton Khirnov
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
451 9d9f4119 Måns Rullgård
{
452 77eb5504 Anton Khirnov
    avio_wl32(pb, 40 + enc->extradata_size); /* size */
453
    avio_wl32(pb, enc->width);
454 31f2616d Michael Niedermayer
    //We always store RGB TopDown
455 77eb5504 Anton Khirnov
    avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
456
    avio_wl16(pb, 1); /* planes */
457 9d9f4119 Måns Rullgård
458 77eb5504 Anton Khirnov
    avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
459 9d9f4119 Måns Rullgård
    /* compression type */
460 77eb5504 Anton Khirnov
    avio_wl32(pb, enc->codec_tag);
461
    avio_wl32(pb, enc->width * enc->height * 3);
462
    avio_wl32(pb, 0);
463
    avio_wl32(pb, 0);
464
    avio_wl32(pb, 0);
465
    avio_wl32(pb, 0);
466 9d9f4119 Måns Rullgård
467 77eb5504 Anton Khirnov
    avio_write(pb, enc->extradata, enc->extradata_size);
468 9d9f4119 Måns Rullgård
469 63100f58 Anton Khirnov
    if (!for_asf && enc->extradata_size & 1)
470 77eb5504 Anton Khirnov
        avio_w8(pb, 0);
471 9d9f4119 Måns Rullgård
}
472
#endif //CONFIG_MUXERS
473
474 b250f9c6 Aurelien Jacobs
#if CONFIG_DEMUXERS
475 9d9f4119 Måns Rullgård
/* We could be given one of the three possible structures here:
476
 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
477
 * is an expansion of the previous one with the fields added
478
 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
479
 * WAVEFORMATEX adds 'WORD  cbSize' and basically makes itself
480
 * an openended structure.
481
 */
482 ae628ec1 Anton Khirnov
void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
483 9d9f4119 Måns Rullgård
{
484
    int id;
485
486 b7effd4e Anton Khirnov
    id = avio_rl16(pb);
487 72415b2a Stefano Sabatini
    codec->codec_type = AVMEDIA_TYPE_AUDIO;
488 9d9f4119 Måns Rullgård
    codec->codec_tag = id;
489 b7effd4e Anton Khirnov
    codec->channels = avio_rl16(pb);
490
    codec->sample_rate = avio_rl32(pb);
491
    codec->bit_rate = avio_rl32(pb) * 8;
492
    codec->block_align = avio_rl16(pb);
493 9d9f4119 Måns Rullgård
    if (size == 14) {  /* We're dealing with plain vanilla WAVEFORMAT */
494 dd1c8f3e Luca Abeni
        codec->bits_per_coded_sample = 8;
495 9d9f4119 Måns Rullgård
    }else
496 b7effd4e Anton Khirnov
        codec->bits_per_coded_sample = avio_rl16(pb);
497 72fd40bd Baptiste Coudurier
    if (size >= 18) {  /* We're obviously dealing with WAVEFORMATEX */
498 b7effd4e Anton Khirnov
        int cbSize = avio_rl16(pb); /* cbSize */
499 72fd40bd Baptiste Coudurier
        size -= 18;
500
        cbSize = FFMIN(size, cbSize);
501
        if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
502 b7effd4e Anton Khirnov
            codec->bits_per_coded_sample = avio_rl16(pb);
503
            codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
504
            id = avio_rl32(pb); /* 4 first bytes of GUID */
505 45a8a02a Anton Khirnov
            avio_skip(pb, 12); /* skip end of GUID */
506 72fd40bd Baptiste Coudurier
            cbSize -= 22;
507
            size -= 22;
508
        }
509
        codec->extradata_size = cbSize;
510
        if (cbSize > 0) {
511 9d9f4119 Måns Rullgård
            codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
512 b7effd4e Anton Khirnov
            avio_read(pb, codec->extradata, codec->extradata_size);
513 72fd40bd Baptiste Coudurier
            size -= cbSize;
514
        }
515 9d9f4119 Måns Rullgård
516
        /* It is possible for the chunk to contain garbage at the end */
517 72fd40bd Baptiste Coudurier
        if (size > 0)
518 45a8a02a Anton Khirnov
            avio_skip(pb, size);
519 9d9f4119 Måns Rullgård
    }
520 1a40491e Daniel Verkamp
    codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
521 50d83b20 Peter Ross
    if (codec->codec_id == CODEC_ID_AAC_LATM) {
522
        /* channels and sample_rate values are those prior to applying SBR and/or PS */
523
        codec->channels    = 0;
524
        codec->sample_rate = 0;
525
    }
526 9d9f4119 Måns Rullgård
}
527
528
529 1a40491e Daniel Verkamp
enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
530 9d9f4119 Måns Rullgård
{
531 9f2ace74 Carl Eugen Hoyos
    enum CodecID id;
532 1a40491e Daniel Verkamp
    id = ff_codec_get_id(ff_codec_wav_tags, tag);
533 9d9f4119 Måns Rullgård
    if (id <= 0)
534
        return id;
535
    /* handle specific u8 codec */
536
    if (id == CODEC_ID_PCM_S16LE && bps == 8)
537
        id = CODEC_ID_PCM_U8;
538
    if (id == CODEC_ID_PCM_S16LE && bps == 24)
539
        id = CODEC_ID_PCM_S24LE;
540
    if (id == CODEC_ID_PCM_S16LE && bps == 32)
541
        id = CODEC_ID_PCM_S32LE;
542 57406d8e Peter Ross
    if (id == CODEC_ID_PCM_F32LE && bps == 64)
543
        id = CODEC_ID_PCM_F64LE;
544 a11c2a2c Michael Niedermayer
    if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
545
        id = CODEC_ID_PCM_ZORK;
546 9d9f4119 Måns Rullgård
    return id;
547
}
548 773d892a Peter Ross
549 ae628ec1 Anton Khirnov
int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
550 773d892a Peter Ross
{
551
    int tag1;
552 b7effd4e Anton Khirnov
    avio_rl32(pb); /* size */
553
    st->codec->width = avio_rl32(pb);
554
    st->codec->height = (int32_t)avio_rl32(pb);
555
    avio_rl16(pb); /* planes */
556
    st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
557
    tag1 = avio_rl32(pb);
558
    avio_rl32(pb); /* ImageSize */
559
    avio_rl32(pb); /* XPelsPerMeter */
560
    avio_rl32(pb); /* YPelsPerMeter */
561
    avio_rl32(pb); /* ClrUsed */
562
    avio_rl32(pb); /* ClrImportant */
563 773d892a Peter Ross
    return tag1;
564
}
565 9d9f4119 Måns Rullgård
#endif // CONFIG_DEMUXERS
566
567
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
568
{
569
    int gcd;
570
571
    *au_ssize= stream->block_align;
572
    if(stream->frame_size && stream->sample_rate){
573
        *au_scale=stream->frame_size;
574
        *au_rate= stream->sample_rate;
575 72415b2a Stefano Sabatini
    }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
576
             stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
577 9d9f4119 Måns Rullgård
        *au_scale= stream->time_base.num;
578
        *au_rate = stream->time_base.den;
579
    }else{
580
        *au_scale= stream->block_align ? stream->block_align*8 : 8;
581 a7805e29 Michael Niedermayer
        *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
582 9d9f4119 Måns Rullgård
    }
583 9ce6c138 Aurelien Jacobs
    gcd= av_gcd(*au_scale, *au_rate);
584 9d9f4119 Måns Rullgård
    *au_scale /= gcd;
585
    *au_rate /= gcd;
586
}