ardour/libs/ardour/ardour/importable_source.h

50 lines
1.7 KiB
C++

/*
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2007 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2009 David Robillard <d@drobilla.net>
* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_importable_source_h__
#define __ardour_importable_source_h__
#include "pbd/failed_constructor.h"
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
namespace ARDOUR {
class LIBARDOUR_API ImportableSource {
public:
ImportableSource () {}
virtual ~ImportableSource() {}
virtual samplecnt_t read (Sample* buffer, samplecnt_t nframes) = 0;
virtual float ratio() const { return 1.0f; }
virtual uint32_t channels() const = 0;
virtual samplecnt_t length() const = 0;
virtual samplecnt_t samplerate() const = 0;
virtual void seek (samplepos_t pos) = 0;
virtual samplepos_t natural_position() const = 0;
virtual bool clamped_at_unity () const = 0;
};
}
#endif /* __ardour_importable_source_h__ */