Initial commit

Lts/Services/AudioVideoManagement/audio_video_handler.h

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+/**
+  * @RDE_HEADER@
+  * AudioVideoHandler
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Fröbel, SLSE, 2017-11-27
+  */
+
+#pragma once
+
+#include <memory>
+#include <QObject>
+
+class QString;
+
+namespace AudioVideoManagement
+{
+
+class DatabaseInterface;
+class ExerciseHandler;
+class Exercise;
+class AudioVideoHandlerImpl;
+class DefaultAvMenus;
+
+namespace Interface
+{
+class Dts;
+}
+
+
+/**
+ * The AudioVideoHandler is responsible to keep the AVS device_config in sync
+ * with cameras and announcement units currently mounted.
+ * For this it observes the corrsponding Exercise (signals Exercise::assetAssigned() and Exercise::assetUnassigned()).
+ * The Exercise instance is managed by the AssetAssignmentManager.
+ * Also, the currently active streams will be published in the corresponding exercise partition.
+ *
+ * The functionality itself is implemented in AudioVideoHandlerImpl.
+ *
+ * @see AudioVideoHandlerImpl
+ * @author Christian Fröbel
+ */
+class AudioVideoHandler : public QObject
+{
+  Q_OBJECT
+
+public:
+  AudioVideoHandler(Exercise *exercise, ExerciseHandler *exerciseHandler, DefaultAvMenus *defaultAvMenus, DatabaseInterface *db, Interface::Dts *dts);
+  virtual ~AudioVideoHandler();
+
+signals:
+  /** Signalled after device_config modifications. */
+  void avDbReloadNeeded();
+
+private:
+  class DbProxy;
+  class DtsProxy;
+  std::unique_ptr<DbProxy>                 m_dbProxy;
+  std::unique_ptr<DtsProxy>                m_dtsProxy;
+  std::unique_ptr<AudioVideoHandlerImpl>   m_impl;
+};
+
+} // namespace AudioVideoManagement