DirectShow关掉自动曝光(手动设置曝光值)代码如下所示:
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| IBaseFilter* pBF; // Bind Device Filter. We know the device because the id was passed in if (!BindFilter(iDeviceID, &pBF)) { return S_FALSE; } IAMCameraControl *pCtrl; pBF->QueryInterface(IID_IAMCameraControl, (void **)&pCtrl ); pCtrl->Set( CameraControl_Exposure, -10, CameraControl_Flags_Manual ); // -10为手动设置的曝光值
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