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+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Current versions can be found at www.libavg.de
+//
+
+#ifndef _SoundNode_H_
+#define _SoundNode_H_
+
+#include "../api.h"
+
+#include "AreaNode.h"
+
+#include "../base/IFrameEndListener.h"
+#include "../base/UTF8String.h"
+
+namespace avg {
+
+class AsyncVideoDecoder;
+
+class AVG_API SoundNode : public AreaNode, IFrameEndListener
+{
+ public:
+ static void registerType();
+
+ SoundNode(const ArgList& args);
+ virtual ~SoundNode();
+
+ virtual void connectDisplay();
+ virtual void connect(CanvasPtr pCanvas);
+ virtual void disconnect(bool bKill);
+
+ void play();
+ void stop();
+ void pause();
+
+ const UTF8String& getHRef() const;
+ void setHRef(const UTF8String& href);
+ float getVolume();
+ void setVolume(float volume);
+ void checkReload();
+
+ long long getDuration() const;
+ std::string getAudioCodec() const;
+ int getAudioSampleRate() const;
+ int getNumAudioChannels() const;
+
+ long long getCurTime() const;
+ void seekToTime(long long Time);
+ bool getLoop() const;
+ void setEOFCallback(PyObject * pEOFCallback);
+
+ virtual void onFrameEnd();
+
+ private:
+ void seek(long long destTime);
+ void onEOF();
+
+ enum SoundState {Unloaded, Paused, Playing};
+ void changeSoundState(SoundState newSoundState);
+ void open();
+ void startDecoding();
+ void close();
+ void exceptionIfUnloaded(const std::string& sFuncName) const;
+
+ UTF8String m_href;
+ std::string m_Filename;
+ bool m_bLoop;
+ PyObject * m_pEOFCallback;
+ long long m_SeekBeforeCanRenderTime;
+
+ long long m_StartTime;
+ long long m_PauseTime;
+ long long m_PauseStartTime;
+
+ AsyncVideoDecoder* m_pDecoder;
+ float m_Volume;
+ SoundState m_State;
+ int m_AudioID;
+};
+
+}
+
+#endif
+