50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2007 Tim Mayberry <mojofunk@gmail.com>
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* Copyright (C) 2009 David Robillard <d@drobilla.net>
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* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_importable_source_h__
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#define __ardour_importable_source_h__
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#include "pbd/failed_constructor.h"
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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namespace ARDOUR {
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class LIBARDOUR_API ImportableSource {
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public:
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ImportableSource () {}
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virtual ~ImportableSource() {}
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virtual samplecnt_t read (Sample* buffer, samplecnt_t nframes) = 0;
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virtual float ratio() const { return 1.0f; }
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virtual uint32_t channels() const = 0;
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virtual samplecnt_t length() const = 0;
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virtual samplecnt_t samplerate() const = 0;
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virtual void seek (samplepos_t pos) = 0;
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virtual samplepos_t natural_position() const = 0;
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virtual bool clamped_at_unity () const = 0;
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};
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}
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#endif /* __ardour_importable_source_h__ */
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