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Copyright (C) 2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef __ardour_resampled_source_h__
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#define __ardour_resampled_source_h__
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#include <samplerate.h>
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#include "ardour/types.h"
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#include "ardour/importable_source.h"
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class ResampledImportableSource : public ImportableSource
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ResampledImportableSource (boost::shared_ptr<ImportableSource>, framecnt_t rate, SrcQuality);
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~ResampledImportableSource ();
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framecnt_t read (Sample* buffer, framecnt_t nframes);
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float ratio() const { return src_data.src_ratio; }
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uint32_t channels() const { return source->channels(); }
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framecnt_t length() const { return source->length(); }
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framecnt_t samplerate() const { return source->samplerate(); }
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void seek (framepos_t);
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framepos_t natural_position() const;
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bool clamped_at_unity () const {
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/* resampling may generate inter-sample peaks with magnitude > 1 */
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static const uint32_t blocksize;
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boost::shared_ptr<ImportableSource> source;
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#endif /* __ardour_resampled_source_h__ */