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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
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