GraphBuilder.h

#pragma once
#include "DShowTextures.h"

namespace ParaEngine
{
    class CGraphBuilder
    {
    public:
        CGraphBuilder();
        ~CGraphBuilder();
        HRESULT LoadVideoFile ( LPCWSTR wFileName, bool bAudioOn);
        HRESULT RunGraph ();
        HRESULT PauseGraph ();
        HRESULT StopGraph ();
        HRESULT Seek(double seekvalue);
        HRESULT RestoreDeviceObjects(LPDIRECT3DDEVICE9 pd3dDevice);
        HRESULT InvalidateDeviceObjects();
        double GetCurrPos();
        double GetDuration();

        long CheckMovieStatus(bool bIsRepeat);
        void CleanupDShow(void);
        int GetWidth();
        int GetHeight();
        LPDIRECT3DTEXTURE9 GetTexture();

        bool IsNeedCreateTexture(){return m_pTexture==NULL?true:false;}

    protected:
        HRESULT ConnectWMVFile( LPCWSTR wFileName );
        HRESULT ConnectOtherFile( LPCWSTR wFileName );
        LPDIRECT3DTEXTURE9 m_pTexture;
        CComPtr<IGraphBuilder> m_pGB;
        CComPtr<IMediaControl> m_pMC;   
        CComPtr<IMediaPosition> m_pMP;
        CComPtr<IMediaEvent> m_pME;
        IFileSourceFilter* m_pFileSource;
        CComPtr<IPin> m_pPinOut1;//for video
        CComPtr<IPin> m_pPinOut0;//for audio
        CComPtr<IBaseFilter> m_pRenderer1;
        CTextureRenderer *m_pRenderer;
        bool m_bLocked;
        bool m_bAudioOn;
    };
}