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/*
Copyright (C) 2007 Paul Davis
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_resampled_source_h__
#define __ardour_resampled_source_h__
#include <samplerate.h>
#include "ardour/types.h"
#include "ardour/importable_source.h"
namespace ARDOUR {
class ResampledImportableSource : public ImportableSource
{
public:
ResampledImportableSource (boost::shared_ptr<ImportableSource>, nframes_t rate, SrcQuality);
~ResampledImportableSource ();
nframes_t read (Sample* buffer, nframes_t nframes);
float ratio() const { return src_data.src_ratio; }
uint32_t channels() const { return source->channels(); }
nframes_t length() const { return source->length(); }
nframes_t samplerate() const { return source->samplerate(); }
void seek (nframes_t pos) { source->seek (pos); }
nframes64_t natural_position() const { return source->natural_position(); }
static const uint32_t blocksize;
private:
boost::shared_ptr<ImportableSource> source;
float* input;
SRC_STATE* src_state;
SRC_DATA src_data;
};
}
#endif /* __ardour_resampled_source_h__ */
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