You can also use the listed decoders to play the video and measure the decoder's CPU or DXVA decoding performance. By specifying the media file or format, you can check whether the DirectShow decoder and Media Foundation decoder registered in the system support DXVA, and the DXVA mode that is supported. Some software players like Media Player Classic Home Cinema includes an embedded video decoder that uses this technology, to decode H.264 and VC-1 with hardly any CPU time required. Modern graphics card offer the possibility to decode partially or completely a video stream using DirectX Video Acceleration (DXVA), in order to reduce CPU usage dramatically.
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