win 7 x64 can't hardware decode

[eVo]

WIN 7 X64 CAN'T HARDWARE DECODE

 

DVBViewer 4.1.1

 

or

 

DVBViewer beta 4.3.165

 

codec : powerdvd 8 2217

 

video card : intel x4500mhd

 

can't hw decode in DVBViewer by using evr mode.and then osd only have black screen.cpu usage near 100%

 

but i have tested powerdvd 8 playing blu-ray video,it can sucessful hw decode.cpu usage only 10-20%

 

i have tested DVBViewer beta 4.3.165 evr custom mode,sometime it can hw decode(cpu usage 10-20%),but something it will only display a black screen or freeze.