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DSPack视频调节

2010-11-19 08:52:38| 分类： Delphi | 标签： |举报 |字号大中小订阅

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procedure TfrmVideo.GetValue;

var

pAvp: IAMVideoProcAmp;

flag: TVideoProcAmpFlags;

value: Integer;

begin

with (fg1 as ICaptureGraphBuilder2) do

begin

if Succeeded(FindInterface(nil, nil, vw1 as IBaseFilter, IID_IAMVideoProcAmp, pAvp)) then

begin

pAvp.Get(VideoProcAmp_Brightness, value, flag);

lbl1.Caption := '亮度' + IntToStr(value);

pAvp.Set_(VideoProcAmp_Brightness, value, flag);

pAvp.Get(VideoProcAmp_Contrast, value, flag);

lbl2.Caption := '对比度' + IntToStr(value);

pAvp.Set_(VideoProcAmp_Contrast, value, flag);

pAvp.Get(VideoProcAmp_Hue, value, flag);

lbl3.Caption := '色调' + IntToStr(value);

pAvp.Set_(VideoProcAmp_Hue, value, flag);

pAvp.Get(VideoProcAmp_Saturation,value,flag);

lbl4.Caption := '饱合度' + IntToStr(value) ;

pAvp.Set_(VideoProcAmp_Saturation, value, flag);

pAvp.Get(VideoProcAmp_Sharpness, value, flag);

lbl5.Caption := '锐度' + IntToStr(value);

pAvp.Set_(VideoProcAmp_Sharpness, value, flag);

end;

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              blogAbstract:'  \r\n<P style=\"TEXT-INDENT: 2em;\"\>procedure TfrmVideo.GetValue;</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>var</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>  pAvp:  IAMVideoProcAmp;</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>  flag:  TVideoProcAmpFlags;</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>  value: Integer;</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>begin</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>  with (fg1 as ICaptureGraphBuilder2) do</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>  begin</P\>\r\n<P style=\"TEXT-INDENT: 2em;\"\>    if Succeeded(FindInterface(nil, nil, vw1 as IBaseFilter, IID_IAMVideoProcAmp, pAvp)) then</P\>',
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