/* This file is part of Machina.
 * Copyright 2007-2011 David Robillard <http://drobilla.net>
 *
 * Machina 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 3 of the License, or
 * (at your option) any later version.
 *
 * Machina 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 Machina.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MACHINA_RECORDER_HPP
#define MACHINA_RECORDER_HPP

#include "raul/log.hpp"
#include "raul/Slave.hpp"
#include "raul/SharedPtr.hpp"
#include "raul/RingBuffer.hpp"

#include "machina/Machine.hpp"

namespace Machina {

class MachineBuilder;

class Recorder : public Raul::Slave {
public:
	Recorder(size_t buffer_size, TimeUnit unit, double q, bool step);

	inline void write(Raul::TimeStamp time, size_t size, const unsigned char* buf) {
		if (_record_buffer.write_space() < (sizeof(TimeStamp) + sizeof(size_t) + size)) {
			Raul::warn << "Record buffer overflow" << std::endl;
			return;
		} else {
			_record_buffer.write(sizeof(TimeStamp), (uint8_t*)&time);
			_record_buffer.write(sizeof(size_t), (uint8_t*)&size);
			_record_buffer.write(size, buf);
		}
	}

	SharedPtr<Machine> finish();

private:
	virtual void _whipped();

	TimeUnit                  _unit;
	Raul::RingBuffer          _record_buffer;
	SharedPtr<MachineBuilder> _builder;
};

} // namespace Machina

#endif // MACHINA_RECORDER_HPP