How to disable DXVA programmatically?

You can control DXVA programmatically using Media Foundation (MF). In Windows 7, the MF_TOPOLOGY_DXVA_MODE attribute can be set on a topology to disable DXVA. It can also be disabled by querying the decoder for IPropertyStore and setting MFPKEY_DXVA_ENABLED to false.  Please make sure you understand the consequences before disbling DXVA.

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What is the recommended way to set the resolution of a webcam using DirectShow?

Q. Why does my DirectShow based video capture application fail to set resolution for the LifeCam VX-6000/VX-3000 webcam when LifeCam software is installed in the system? Is there any way to resolve this issue programmatically? Here is the code snippet that I am using to set webcam resolution: IAMStreamConfig *pConfig = NULL; IPin *pPin =…

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