/** @file
 * @author Edouard DUPIN 
 * @copyright 2011, Edouard DUPIN, all right reserved
 * @license APACHE v2.0 (see license file)
 */

#ifndef __AIRT_ALGO_END_POINT_CALLBACK_H__
#define __AIRT_ALGO_END_POINT_CALLBACK_H__

#include <drain/EndPoint.h>
#include <etk/functional.h>

namespace drain {
	typedef std11::function<void (void* _data,
	                              const std11::chrono::system_clock::time_point& _playTime,
	                              size_t _nbChunk,
	                              enum audio::format _format,
	                              uint32_t _frequency,
	                              const std::vector<audio::channel>& _map)> playbackFunction;
	typedef std11::function<void (const void* _data,
	                              const std11::chrono::system_clock::time_point& _readTime,
	                              size_t _nbChunk,
	                              enum audio::format _format,
	                              uint32_t _frequency,
	                              const std::vector<audio::channel>& _map)> recordFunction;
	class EndPointCallback : public EndPoint {
		private:
			playbackFunction m_outputFunction;
			recordFunction m_inputFunction;
		protected:
			/**
			 * @brief Constructor
			 */
			EndPointCallback();
			void init(playbackFunction _callback);
			void init(recordFunction _callback);
		public:
			static std11::shared_ptr<EndPointCallback> create(playbackFunction _callback);
			static std11::shared_ptr<EndPointCallback> create(recordFunction _callback);
			/**
			 * @brief Destructor
			 */
			virtual ~EndPointCallback() {};
			virtual void configurationChange();
			virtual bool process(std11::chrono::system_clock::time_point& _time,
			                     void* _input,
			                     size_t _inputNbChunk,
			                     void*& _output,
			                     size_t& _outputNbChunk);
	};
};

#endif