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/*
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* 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_return_h__
#define __ardour_return_h__
#include <string>
#include "pbd/stateful.h"
#include "ardour/ardour.h"
#include "ardour/io_processor.h"
namespace ARDOUR {
class Amp;
class PeakMeter;
class GainControl;
class LIBARDOUR_API Return : public IOProcessor
{
public:
Return (Session&, bool internal = false);
virtual ~Return ();
void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
boost::shared_ptr<Amp> amp() const { return _amp; }
boost::shared_ptr<PeakMeter> meter() const { return _meter; }
boost::shared_ptr<GainControl> gain_control() const { return _gain_control; }
bool metering() const { return _metering; }
void set_metering (bool yn) { _metering = yn; }
int set_state(const XMLNode&, int version);
uint32_t pans_required() const { return _configured_input.n_audio(); }
bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
bool configure_io (ChanCount in, ChanCount out);
static uint32_t how_many_returns();
static std::string name_and_id_new_return (Session&, uint32_t&);
protected:
XMLNode& state();
bool _metering;
boost::shared_ptr<GainControl> _gain_control;
boost::shared_ptr<Amp> _amp;
boost::shared_ptr<PeakMeter> _meter;
private:
/* disallow copy construction */
Return (const Return&);
void collect_input (BufferSet& bufs, pframes_t nframes, ChanCount offset = ChanCount::ZERO);
};
} // namespace ARDOUR
#endif /* __ardour_return_h__ */
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