1/*
2 * RIFF codec tags
3 * copyright (c) 2000 Fabrice Bellard
4 *
5 * This file is part of Libav.
6 *
7 * Libav 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 * Libav 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 Libav; 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
24 * internal header for RIFF based (de)muxers
25 * do NOT include this in end user applications
26 */
27
28#ifndef AVFORMAT_RIFF_H
29#define AVFORMAT_RIFF_H
30
31#include "libavcodec/avcodec.h"
32#include "avio.h"
33#include "internal.h"
34#include "metadata.h"
35
36extern const AVMetadataConv ff_riff_info_conv[];
37extern const char ff_riff_tags[][5];
38
39int64_t ff_start_tag(AVIOContext *pb, const char *tag);
40void ff_end_tag(AVIOContext *pb, int64_t start);
41
42/**
43 * Read BITMAPINFOHEADER structure and set AVStream codec width, height and
44 * bits_per_encoded_sample fields. Does not read extradata.
45 * @return codec tag
46 */
47int ff_get_bmp_header(AVIOContext *pb, AVStream *st);
48
49void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
50int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc);
51enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps);
52int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
53
54extern const AVCodecTag ff_codec_bmp_tags[];
55extern const AVCodecTag ff_codec_wav_tags[];
56
57unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum CodecID id);
58enum CodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag);
59void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
60
61int ff_read_riff_info(AVFormatContext *s, int64_t size);
62
63#endif /* AVFORMAT_RIFF_H */
64