dspack如何设置摄像头视频质量

coolrainnight 2008-10-16 01:38:12

dspack如何设置摄像头视频质量：如亮度等

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antnts 2011-01-19

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Mark

Mit1208 2011-01-19

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这个还真没考虑过。。。

99263 2010-11-08

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http://www.anychat.cn/faq/index.php?action=artikel&cat=2&id=175&artlang=zh

BigMouth• 2010-11-08

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Mark

PhoenixTR 2010-05-02

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做个记号回头来看

mdejtod 2008-10-28

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  tagVideoProcAmpProperty = (

    VideoProcAmp_Brightness,

    VideoProcAmp_Contrast,

    VideoProcAmp_Hue,

    VideoProcAmp_Saturation,

    VideoProcAmp_Sharpness,

    VideoProcAmp_Gamma,

    VideoProcAmp_ColorEnable,

    VideoProcAmp_WhiteBalance,

    VideoProcAmp_BacklightCompensation,

    VideoProcAmp_Gain

  );

  {$EXTERNALSYM tagVideoProcAmpProperty}

  VideoProcAmpProperty = tagVideoProcAmpProperty;

  {$EXTERNALSYM VideoProcAmpProperty}

  TVideoProcAmpProperty = VideoProcAmpProperty;



  tagVideoProcAmpFlags = (

    {$IFNDEF COMPILER6_UP}

    VideoProcAmp_Flags_INVALID_0,

    VideoProcAmp_Flags_Manual,

    VideoProcAmp_Flags_Auto

    {$ELSE}

    VideoProcAmp_Flags_Manual = 1,

    VideoProcAmp_Flags_Auto

    {$ENDIF}

  );

  {$EXTERNALSYM tagVideoProcAmpFlags}

  VideoProcAmpFlags = tagVideoProcAmpFlags;

  {$EXTERNALSYM VideoProcAmpFlags}

  TVideoProcAmpFlags = VideoProcAmpFlags;





directshow



var     pProcAmp : IAMVideoProcAmp;

        m_pVideo : IGraphBuilder;

        Flags : TVideoProcAmpFlags;

begin

  CoCreateInstance(CLSID_FilterGraph, nil,	CLSCTX_INPROC, IID_IGraphBuilder, m_pVideo);

  m_pVideo.QueryInterface(IID_IAMVideoProcAmp,pProcAmp);

  m_pVideo.RenderFile(_wfile,nil);

  pProcAmp.GetRange(VideoProcAmp_Brightness,Min,Max,step,default,Flags);

  pProcAmp.Get(VideoProcAmp_Brightness,Val,Flags);

  pProcAmp.Set_(VideoProcAmp_Brightness, lValue,Flags);

end;