mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 20:19:55 +00:00
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
|
|
* 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
|
|
|
|
#include "avcodec.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 */
|