94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
|
|
/*******************************************************************************/
|
|
/* 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. */
|
|
/*******************************************************************************/
|
|
|
|
#include "Audio_File.H"
|
|
#include "Audio_File_SF.H"
|
|
|
|
std::map <std::string, Audio_File*> Audio_File::_open_files;
|
|
|
|
Audio_File::~Audio_File ( )
|
|
{
|
|
_open_files[ std::string( _filename ) ] = NULL;
|
|
}
|
|
|
|
void
|
|
Audio_File::all_supported_formats ( std::list <const char *> &formats )
|
|
{
|
|
const format_desc *fd;
|
|
|
|
fd = Audio_File_SF::supported_formats;
|
|
|
|
for ( ; fd->name; ++fd )
|
|
formats.push_back( fd->name );
|
|
}
|
|
|
|
|
|
/** attmpet to open any supported filetype */
|
|
Audio_File *
|
|
Audio_File::from_file ( const char * filename )
|
|
{
|
|
|
|
Audio_File *a;
|
|
|
|
if ( ( a = _open_files[ std::string( filename ) ] ) )
|
|
return a;
|
|
|
|
if ( ( a = Audio_File_SF::from_file( filename ) ) )
|
|
goto done;
|
|
|
|
// TODO: other formats
|
|
|
|
return NULL;
|
|
|
|
done:
|
|
|
|
/* a->_peaks = new Peaks; */
|
|
|
|
/* a->_peaks->clip( a ); */
|
|
/* a->_peaks->open(); */
|
|
|
|
_open_files[ std::string( filename ) ] = a;
|
|
|
|
return a;
|
|
}
|
|
|
|
|
|
bool
|
|
Audio_File::read_peaks( float fpp, nframes_t start, nframes_t end, int *peaks, Peak **pbuf, int *channels )
|
|
{
|
|
Peaks pk;
|
|
|
|
*peaks = 0;
|
|
*channels = 0;
|
|
*pbuf = NULL;
|
|
|
|
pk.clip( this );
|
|
|
|
if ( ! pk.open() )
|
|
return false;
|
|
|
|
*peaks = pk.fill_buffer( fpp, start, end );
|
|
|
|
*channels = this->channels();
|
|
|
|
*pbuf = pk.peakbuf();
|
|
|
|
return true;
|
|
}
|