/* * FLAC (Free Lossless Audio Codec) decoder/demuxer common functions * Copyright (c) 2008 Justin Ruggles * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file flac.h * FLAC (Free Lossless Audio Codec) decoder/demuxer common functions */ #ifndef FFMPEG_FLAC_H #define FFMPEG_FLAC_H /** * Data needed from the Streaminfo header for use by the raw FLAC demuxer * and/or the FLAC decoder. */ #define FLACSTREAMINFO \ int min_blocksize; /**< minimum block size, in samples */\ int max_blocksize; /**< maximum block size, in samples */\ int max_framesize; /**< maximum frame size, in bytes */\ int samplerate; /**< sample rate */\ int channels; /**< number of channels */\ int bps; /**< bits-per-sample */\ typedef struct FLACStreaminfo { FLACSTREAMINFO } FLACStreaminfo; /** * Parse the Streaminfo metadata block * @param[out] avctx codec context to set basic stream parameters * @param[out] s where parsed information is stored * @param[in] buffer pointer to start of 34-byte streaminfo data */ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s, const uint8_t *buffer); #endif /* FFMPEG_FLAC_H */