non/Timeline/Audio_File_SF.H

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/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* This program 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 General Public License for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
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#pragma once
#include "Audio_File.H"
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#include <sndfile.h>
class Audio_File_SF : public Audio_File
{
// Audio_File_SF ( const char *filename )
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SNDFILE *_in;
/* used to avoid unnecessary seeking--libsndfile isn't smart
* enough to do this for us */
volatile nframes_t _current_read;
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Audio_File_SF ( )
{
_in = 0;
_current_read = 0;
}
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public:
static const Audio_File::format_desc supported_formats[];
static Audio_File_SF *from_file ( const char *filename );
static Audio_File_SF *create ( const char *filename, nframes_t samplerate, int channels, const char *format );
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~Audio_File_SF ( )
{
/* stupid C++ */
close();
}
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bool open ( void );
void close ( void );
void seek ( nframes_t offset );
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nframes_t read ( sample_t *buf, int channel, nframes_t len );
nframes_t read ( sample_t *buf, int channel, nframes_t start, nframes_t end );
nframes_t write ( sample_t *buf, nframes_t nframes );
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};