[DEV] start work on File node

audio/river/io/NodeFile.h

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+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2015, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+
+#ifndef __AUDIO_RIVER_IO_NODE_FILE_H__
+#define __AUDIO_RIVER_IO_NODE_FILE_H__
+
+#ifdef AUDIO_RIVER_BUILD_FILE
+
+#include <audio/river/io/Node.h>
+#include <audio/orchestra/Interface.h>
+
+namespace audio {
+	namespace river {
+		namespace io {
+			class Manager;
+			class Group;
+			/**
+			 * @brief Low level node that is manage on the interface with the extern lib airtaudio
+			 */
+			class NodeFile : public audio::river::io::Node {
+				friend class audio::river::io::Group;
+				protected:
+					/**
+					 * @brief Constructor
+					 */
+					NodeFile(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config);
+				public:
+					static std11::shared_ptr<NodeFile> create(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config);
+					/**
+					 * @brief Destructor
+					 */
+					virtual ~NodeFile();
+					virtual bool isHarwareNode() {
+						return true;
+					};
+				protected:
+					audio::Time m_time; //!< time of the flow
+					etk::FSNode m_file; //!< File interface
+					bool m_restartAtEnd; //!< The read is done in loop
+					uint32_t m_sampleRate; //!< Sample Rate of the Raw file
+					audio::format m_format; //!< Format of the file
+					std::vector<audio::channel> m_map; //!< Map of the file
+					std::shared_ptr<std::thread> m_thread; //!< playing thread of the flow
+					std::atomic<bool> m_alive; //!< thread is active
+				protected:
+					virtual void start();
+					virtual void stop();
+					virtual void threadCallback():
+			};
+		}
+	}
+}
+#endif
+
+#endif
+