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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* RIFF common functions and data
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* copyright (c) 2000 Fabrice Bellard
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*
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* This file is part of Libav.
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*
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* Libav 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
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* version 2.1 of the License, or (at your option) any later version.
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*
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* 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
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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 Libav; 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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/**
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* @file
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* internal header for RIFF based (de)muxers
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* do NOT include this in end user applications
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*/
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#ifndef AVFORMAT_RIFF_H
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#define AVFORMAT_RIFF_H
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#include "libavcodec/avcodec.h"
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#include "avio.h"
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#include "internal.h"
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#include "metadata.h"
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extern const AVMetadataConv ff_riff_info_conv[];
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extern const char ff_riff_tags[][5];
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int64_t ff_start_tag(AVIOContext *pb, const char *tag);
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void ff_end_tag(AVIOContext *pb, int64_t start);
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/**
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* Read BITMAPINFOHEADER structure and set AVStream codec width, height and
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* bits_per_encoded_sample fields. Does not read extradata.
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* @return codec tag
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*/
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int ff_get_bmp_header(AVIOContext *pb, AVStream *st);
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void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
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int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc);
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enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
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int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
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extern const AVCodecTag ff_codec_bmp_tags[];
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extern const AVCodecTag ff_codec_wav_tags[];
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unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum AVCodecID id);
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enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag);
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void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
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int ff_read_riff_info(AVFormatContext *s, int64_t size);
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/**
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* Write all recognized RIFF tags from s->metadata
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*/
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void ff_riff_write_info(AVFormatContext *s);
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/**
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* Write a single RIFF info tag
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*/
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void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str);
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#endif /* AVFORMAT_RIFF_H */
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