cd2b85d85f4fd6d61d663248932cdbc098b4c8b4
[libav.git] / libavformat / riff.h
1 /*
2 * RIFF codec tags
3 * copyright (c) 2000 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file riff.h
24 * internal header for RIFF based (de)muxers
25 * do NOT include this in end user applications
26 */
27
28 #ifndef FF_RIFF_H
29 #define FF_RIFF_H
30
31 offset_t start_tag(ByteIOContext *pb, const char *tag);
32 void end_tag(ByteIOContext *pb, offset_t start);
33
34 typedef struct AVCodecTag {
35 int id;
36 unsigned int tag;
37 } AVCodecTag;
38
39 void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
40 int put_wav_header(ByteIOContext *pb, AVCodecContext *enc);
41 int wav_codec_get_id(unsigned int tag, int bps);
42 void get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size);
43
44 extern const AVCodecTag codec_bmp_tags[];
45 extern const AVCodecTag codec_wav_tags[];
46
47 unsigned int codec_get_tag(const AVCodecTag *tags, int id);
48 enum CodecID codec_get_id(const AVCodecTag *tags, unsigned int tag);
49 /**
50 * @deprecated Use av_codec_get_tag instead.
51 */
52 unsigned int codec_get_bmp_tag(int id) attribute_deprecated;
53 /**
54 * @deprecated Use av_codec_get_tag instead.
55 */
56 unsigned int codec_get_wav_tag(int id) attribute_deprecated;
57 /**
58 * @deprecated Use av_codec_get_id instead.
59 */
60 enum CodecID codec_get_bmp_id(unsigned int tag) attribute_deprecated;
61 /**
62 * @deprecated Use av_codec_get_id instead.
63 */
64 enum CodecID codec_get_wav_id(unsigned int tag) attribute_deprecated;
65 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
66
67 #endif