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<blockquote data-quote="damaster" data-source="post: 335236" data-attributes="member: 60795">No need to uninstall ffdshow, since they can co-exist on your system without conflict.&nbsp; Here's what you should do:- Download the latest MPC Video Decoder stand-alone filter from here: <a href="http://downloads.sourceforge.net/mpc-hc/mpchc_x86_v1.1.604.0_MPCVideoDec.zip?modtime=1214656421&amp;big_mirror=0" target="_blank">SourceForge.net: Downloading ...</a>- From the zip file you downloaded above, extract MPCVideoDec.ax (the actual decoder) to some folder on your system, e.g. C:\Program Files\MPCVideoDecoder.- Then from the Start menu select Run and type in the following command: regsvr32 &quot;C:\Program Files\MPCVideoDecoder\MPCVideoDec.ax&quot;.&nbsp; You should get a pop-up message telling you the filter/file was registered successfully.&nbsp; That means the decoder is installed and registered on your system.- Now in MediaPortalConfiguration, under Movies -&gt; Player select MPC Video Decoder for H.264 videos.- Also make sure you've set Haali Media Splitter to not auto-load VsFilter as in my post linked earlier.To test out if what you've done has worked: open up Task Manager, launch MediaPortal.&nbsp; Play any 720p/1080p H.264/AVC file (your MKVs), and watch your CPU usage.&nbsp; If you've managed to set all of this up right, then you should now be leveraging your GPU for hardware decoding and your CPU usage should be 10% or below.&nbsp; For the fun of it, go back to MediaPortalConfiguration and set ffdshow to be your H.264 video decoder again, and watch your CPU usage this time while playing that 1080p file.&nbsp; It should be rather high, thus explaining the choppiness.Good luck.</blockquote>

[QUOTE="damaster, post: 335236, member: 60795"] No need to uninstall ffdshow, since they can co-exist on your system without conflict. Here's what you should do: - Download the latest MPC Video Decoder stand-alone filter from here: [url=http://downloads.sourceforge.net/mpc-hc/mpchc_x86_v1.1.604.0_MPCVideoDec.zip?modtime=1214656421&big_mirror=0]SourceForge.net: Downloading ...[/url] - From the zip file you downloaded above, extract MPCVideoDec.ax (the actual decoder) to some folder on your system, e.g. C:\Program Files\MPCVideoDecoder. - Then from the Start menu select Run and type in the following command: regsvr32 "C:\Program Files\MPCVideoDecoder\MPCVideoDec.ax". You should get a pop-up message telling you the filter/file was registered successfully. That means the decoder is installed and registered on your system. - Now in MediaPortalConfiguration, under Movies -> Player select MPC Video Decoder for H.264 videos. - Also make sure you've set Haali Media Splitter to not auto-load VsFilter as in my post linked earlier. To test out if what you've done has worked: open up Task Manager, launch MediaPortal. Play any 720p/1080p H.264/AVC file (your MKVs), and watch your CPU usage. If you've managed to set all of this up right, then you should now be leveraging your GPU for hardware decoding and your CPU usage should be 10% or below. For the fun of it, go back to MediaPortalConfiguration and set ffdshow to be your H.264 video decoder again, and watch your CPU usage this time while playing that 1080p file. It should be rather high, thus explaining the choppiness. Good luck. [/QUOTE]

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