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https://github.com/nillerusr/source-engine.git
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//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose: Panorama specific video player code
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//=============================================================================//
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#ifndef PANORAMA_VIDEO_PLAYER_H
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#define PANORAMA_VIDEO_PLAYER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier1/smartptr.h"
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#include "../common/video/ivideoplayer.h"
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#include "panorama/controls/panelptr.h"
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namespace panorama
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{
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class IUIRenderEngine;
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class IUIDoubleBufferedYUV420Texture;
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class CPanoramaVideoPlayer;
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//-----------------------------------------------------------------------------
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// Purpose: Renders video frames from video player for tenfoot
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//-----------------------------------------------------------------------------
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class CVideoPlayerVideoRenderer : public IVideoPlayerVideoCallback
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{
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public:
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CVideoPlayerVideoRenderer( IUIRenderEngine *pSurface );
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virtual ~CVideoPlayerVideoRenderer();
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uint32 GetTextureID() { return m_unTextureID; }
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uint32 GetTextureWidth();
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uint32 GetTextureHeight();
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// IVideoPlayerVideoCallback
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virtual bool BPresentYUV420Texture( uint nWidth, uint nHeight, void *pPlaneY, void *pPlaneU, void *pPlaneV, uint unStrideY, uint unStrideU, uint unStrideV ) OVERRIDE;
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#ifdef DBGFLAG_VALIDATE
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void Validate( CValidator &validator, const char *pchName );
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#endif
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private:
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CInterlockedUInt m_unTextureID;
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// used by video threads
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IUIRenderEngine *m_pSurface;
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IUIDoubleBufferedYUV420Texture *m_pYUV420DoubleBufferedTexture;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Renders audio frames from video player for tenfoot
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//-----------------------------------------------------------------------------
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class CVideoPlayerAudioRenderer : public IVideoPlayerAudioCallback
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{
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public:
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CVideoPlayerAudioRenderer();
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virtual ~CVideoPlayerAudioRenderer();
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void SetPlaybackVolume( float flVolume );
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void MarkShuttingDown();
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void Shutdown();
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// IVideoPlayerAudioCallback
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virtual bool InitAudioOutput( int nSampleRate, int nChannels ) OVERRIDE;
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virtual void FreeAudioOutput() OVERRIDE;
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virtual bool IsReadyForAudioData() OVERRIDE;
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virtual void *GetAudioBuffer() OVERRIDE;
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virtual uint32 GetAudioBufferSize() OVERRIDE;
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virtual uint32 GetAudioBufferMinSize() OVERRIDE;
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virtual void CommitAudioBuffer( uint32 unBytes ) OVERRIDE;
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virtual uint32 GetRemainingCommittedAudio() OVERRIDE;
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virtual uint32 GetMixedMilliseconds() OVERRIDE;
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virtual uint32 GetPlaybackLatency() OVERRIDE;
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virtual void Pause() OVERRIDE;
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virtual void Resume() OVERRIDE;
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#ifdef DBGFLAG_VALIDATE
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void Validate( CValidator &validator, const char *pchName );
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#endif
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private:
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bool OnInitAudioMainThread( CVideoPlayerAudioRenderer *pThis, int nSampleRate, int nChannels );
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bool OnFreeAudioMainThread( CVideoPlayerAudioRenderer *pThis );
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CInterlockedInt m_bShuttingDown;
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CThreadEvent m_eventWait;
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#ifdef SUPPORTS_AUDIO
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IAudioOutputStream *m_pAudioStream;
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#endif
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float m_flVolume;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Dispatches events to main panorama thread
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//-----------------------------------------------------------------------------
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typedef CUtlDelegate< void ( EVideoPlayerEvent ) > VideoPlayerEventDelegate_t;
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class CVideoPlayerEventDispatcher : public IVideoPlayerEventCallback
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{
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public:
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CVideoPlayerEventDispatcher( CPanoramaVideoPlayer *pPlayer );
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~CVideoPlayerEventDispatcher();
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void RegisterEventListener( IUIPanel *pPanel );
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void UnregisterEventListener( IUIPanel *pPanel );
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void RegisterEventCallback( VideoPlayerEventDelegate_t del );
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void UnregisterEventCallback( VideoPlayerEventDelegate_t del );
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bool VideoPlayerEventUIThread( CVideoPlayerEventDispatcher *pDispatcher, EVideoPlayerEvent eEvent );
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// IVideoPlayerEventCallback
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virtual void VideoPlayerEvent( EVideoPlayerEvent eEvent ) OVERRIDE;
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#ifdef DBGFLAG_VALIDATE
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void Validate( CValidator &validator, const char *pchName );
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#endif
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private:
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void DispatchVideoEvent( EVideoPlayerEvent eEvent, IUIPanel *pTarget );
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CPanoramaVideoPlayer *m_pPlayer;
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CUtlVector< CPanelPtr< IUIPanel > > m_vecListeners;
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CUtlVector< VideoPlayerEventDelegate_t > m_vecCallbacks;
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double m_flLastRepeatEventDispatch;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Helper to create a tenfoot video player
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//-----------------------------------------------------------------------------
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class CPanoramaVideoPlayer : public IVideoPlayer, public ::CRefCount
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{
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public:
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CPanoramaVideoPlayer( IUIPanel *pPanel );
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CPanoramaVideoPlayer( IUIRenderEngine *pSurface );
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virtual ~CPanoramaVideoPlayer();
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virtual uint32 GetTextureID() { return m_videoCallback.GetTextureID(); }
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uint32 GetTextureWidth() { return m_videoCallback.GetTextureWidth(); }
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uint32 GetTextureHeight() { return m_videoCallback.GetTextureHeight(); }
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void RegisterEventListener( IUIPanel *pPanel ) { m_eventCallback.RegisterEventListener( pPanel ); }
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void UnregisterEventListener( IUIPanel *pPanel ) { m_eventCallback.UnregisterEventListener( pPanel ); }
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void RegisterEventCallback( VideoPlayerEventDelegate_t del ) { m_eventCallback.RegisterEventCallback( del ); }
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void UnregisterEventCallback( VideoPlayerEventDelegate_t del ) { m_eventCallback.UnregisterEventCallback( del ); }
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void SetPlaybackVolume( float flVolume ) { m_audioCallback.SetPlaybackVolume( flVolume ); }
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// IVideoPlayer
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virtual bool BLoad( const char *pchURL ) OVERRIDE;
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virtual bool BLoad( const byte *pubData, uint cubData ) OVERRIDE;
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virtual void Play() OVERRIDE { m_pVideoPlayer->Play(); }
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virtual void Stop() OVERRIDE;
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virtual void Pause() OVERRIDE { m_pVideoPlayer->Pause(); }
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virtual void SetPlaybackSpeed( float flPlaybackSpeed ) OVERRIDE { m_pVideoPlayer->SetPlaybackSpeed( flPlaybackSpeed ); }
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virtual void Seek( uint unSeekMS ) OVERRIDE { m_pVideoPlayer->Seek( unSeekMS ); }
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virtual void SetRepeat( bool bRepeat ) OVERRIDE { m_pVideoPlayer->SetRepeat( bRepeat ); }
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virtual void SuggestMaxVeritcalResolution( int nHeight ) OVERRIDE { m_pVideoPlayer->SuggestMaxVeritcalResolution( nHeight ); }
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virtual EVideoPlayerPlaybackState GetPlaybackState() OVERRIDE { return m_pVideoPlayer->GetPlaybackState(); }
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virtual bool IsStoppedForBuffering() OVERRIDE { return m_pVideoPlayer->IsStoppedForBuffering(); }
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virtual float GetPlaybackSpeed() OVERRIDE { return m_pVideoPlayer->GetPlaybackSpeed(); }
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virtual uint32 GetDuration() OVERRIDE { return m_pVideoPlayer->GetDuration(); }
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virtual uint32 GetCurrentPlaybackTime() OVERRIDE { return m_pVideoPlayer->GetCurrentPlaybackTime(); }
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virtual EVideoPlayerPlaybackError GetPlaybackError() OVERRIDE { return m_pVideoPlayer->GetPlaybackError(); }
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virtual void GetVideoResolution( int *pnWidth, int *pnHeight ) OVERRIDE { m_pVideoPlayer->GetVideoResolution( pnWidth, pnHeight ); }
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virtual int GetVideoDownloadRate() OVERRIDE { return m_pVideoPlayer->GetVideoDownloadRate(); }
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virtual int GetVideoRepresentationCount() OVERRIDE { return m_pVideoPlayer->GetVideoRepresentationCount(); }
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virtual bool BGetVideoRepresentationInfo( int iRep, int *pnWidth, int *pnHeight ) OVERRIDE { return m_pVideoPlayer->BGetVideoRepresentationInfo( iRep, pnWidth, pnHeight ); }
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virtual int GetCurrentVideoRepresentation() OVERRIDE { return m_pVideoPlayer->GetCurrentVideoRepresentation(); }
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virtual void ForceVideoRepresentation( int iRep ) OVERRIDE { return m_pVideoPlayer->ForceVideoRepresentation( iRep ); }
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virtual void GetVideoSegmentInfo( int *pnCurrent, int *pnTotal ) OVERRIDE { m_pVideoPlayer->GetVideoSegmentInfo( pnCurrent, pnTotal ); }
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virtual bool BHasAudioTrack() OVERRIDE { return m_pVideoPlayer->BHasAudioTrack(); }
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#ifdef DBGFLAG_VALIDATE
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void Validate( CValidator &validator, const char *pchName );
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#endif
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private:
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IVideoPlayer *m_pVideoPlayer;
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CVideoPlayerVideoRenderer m_videoCallback;
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CVideoPlayerAudioRenderer m_audioCallback;
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CVideoPlayerEventDispatcher m_eventCallback;
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};
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typedef CSmartPtr< CPanoramaVideoPlayer > CVideoPlayerPtr;
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} // namespace panorama
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#endif // PANORAMA_VIDEO_PLAYER_H
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