/* This file is part of Ingen.
 * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
 *
 * Ingen 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.
 *
 * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef INGEN_ENGINE_AUDIODRIVER_HPP
#define INGEN_ENGINE_AUDIODRIVER_HPP

#include "raul/Path.hpp"
#include "Driver.hpp"
#include "types.hpp"
#include "interface/PortType.hpp"

namespace Raul { class Path; }

namespace Ingen {

class PatchImpl;
class AudioDriver;
class PortImpl;
class ProcessContext;


/** Audio driver abstract base class.
 *
 * \ingroup engine
 */
class AudioDriver : public Driver
{
public:
	AudioDriver() : Driver(Shared::PortType::AUDIO) {}

	virtual void       set_root_patch(PatchImpl* patch) = 0;
	virtual PatchImpl* root_patch()                     = 0;

	virtual void add_port(DriverPort* port) = 0;

	virtual Raul::List<DriverPort*>::Node* remove_port(const Raul::Path& path) = 0;

	virtual SampleCount buffer_size() const = 0;
	virtual SampleCount sample_rate() const = 0;
	virtual SampleCount frame_time()  const = 0;

	virtual bool is_realtime() const = 0;

	virtual ProcessContext& context() = 0;
};


} // namespace Ingen

#endif // INGEN_ENGINE_AUDIODRIVER_HPP