Most likely you are not getting hardware assist with PowerDVD or ffdshow codecs. Your GPU is not really strong. I currently am running the PowerDVD 10 decoder on my main HTP and during the Monday night game I saw issues with pans. There is nothing wrong with the Microsoft Video Decoder and it will do hardware acceleration without any intervention on your part.
The Cyberlink decder can do hardware accelerationg but it must be configured to do so. You have to get to the properties page and set it to hardware if I recall it default is software decoding and deinterlacing.
The Cyberlink decder can do hardware accelerationg but it must be configured to do so. You have to get to the properties page and set it to hardware if I recall it default is software decoding and deinterlacing.