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<blockquote data-quote="SweMart" data-source="post: 306542" data-attributes="member: 19249">This topic is really interesting.This is what happens during H.264 1080i deinterlacing:- PowerDVD 8 is using DXVA (confirmed using Graphedit)- According to CCC the GPU is utililized to only 16%- CPU utili is approx 20%What I see in MP in EVR mode is 15-22fps but no dropped frames.What I've tried:- Several ATI drivers, no difference- Different PowerDVD deinterlacing settings- Different ATI CCC deinterlacing settings- Tried to use bob on both PDVD and CCC, read that on a forum - Turned of Avivo HD decoding using a registry setting(DXVA_NOHDDECODE=1) in order to give all GPU HW resources to the deinterlacing- Tried the &quot;32C&quot; deinterlacing in PDVD aka &quot;Vector Adaptive&quot;Which led to:- No differenceThe funny things is that CoreAVC 1.8.0 doesn't drop frame and produces a silk clean and smooth picture no matter what I throw at it.(PowerDVD works brilliantly on 720p and 1080p content)So what does this mean?a) My ATI HD2600 Pro 512M is crapb) PowerDVD can't do 1080i deinterlacing, bug?c) ATI are full of crap for touting their &quot;Vector Adaptive&quot; deinterlacing of 1080i contentIf a is correct, what should I buy? Maybe I should give my 8600GT a second try.</blockquote>

[QUOTE="SweMart, post: 306542, member: 19249"] This topic is really interesting. This is what happens during H.264 1080i deinterlacing: - PowerDVD 8 is using DXVA (confirmed using Graphedit) - According to CCC the GPU is utililized to only 16% - CPU utili is approx 20% What I see in MP in EVR mode is 15-22fps but no dropped frames. What I've tried: - Several ATI drivers, no difference - Different PowerDVD deinterlacing settings - Different ATI CCC deinterlacing settings - Tried to use bob on both PDVD and CCC, read that on a forum - Turned of Avivo HD decoding using a registry setting(DXVA_NOHDDECODE=1) in order to give all GPU HW resources to the deinterlacing - Tried the "32C" deinterlacing in PDVD aka "Vector Adaptive" Which led to: - No difference The funny things is that CoreAVC 1.8.0 doesn't drop frame and produces a silk clean and smooth picture no matter what I throw at it. (PowerDVD works brilliantly on 720p and 1080p content) So what does this mean? a) My ATI HD2600 Pro 512M is crap b) PowerDVD can't do 1080i deinterlacing, bug? c) ATI are full of crap for touting their "Vector Adaptive" deinterlacing of 1080i content If a is correct, what should I buy? Maybe I should give my 8600GT a second try. [/QUOTE]

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