tvmandan Posted April 2, 2007 Posted April 2, 2007 Hi, I'm posting this here as I don't know of anywhere else to post this problem. I've just upgraded to Windows Vista Premium and am noticing huge problems with deinterlacing in a number of programs such as FusionHDTV, PowerDVD and Nero Showtime. In these programs I'm getting what I think is called "combing" effects in all my mpeg2 video sources. It does not happen in "film" based video. From what I've been able to gather it has something to do with the VMR in Vista. In FusionHDTV when I disable the use VMR option then the deinterlacing works as it should, however the aero desktop in vista get turned off automatically. There is no way that I know of however to force PowerDVD or Nero Showtime to use overlay instead of VMR and therefore fix the deinterlacing problem. I have tried disabling the aero interface in windows however this does not fix the problem which is another reason why I believe it is the VMR in Windows Vista. If I use "force bob" in these apps then it is all ok however the picture quality is not very good at all. The other option is that it could be my ATI x1600 drivers that can't handle the deinterlacing properly. I'm wondering if there is anyone who has had similar problems and knows of a way to fix this. My computer specs are as follows: CPU: Intel 3.2 with HT (not dual core) MOBO: Some gigabyte thing RAM: 1gig ddr VIDEO: ATI x1600pro using 7.3 drivers TV TUNER: FusionHDTV DVB-T using 3.60.1 drivers OS: Vista Ultimate P.S. Everything worked fine under XP pro but I can't be bothered reinstalling that and all my apps again.
adprom1503559636 Posted April 2, 2007 Posted April 2, 2007 I have an ATI x800gto and experience similar problems (although mainly with what appears to be the tearing on the bottom half of the image). I'm thinking it is actually a problem with the ATI drivers for Vista which seem to be a little buggy.
djOS Posted April 2, 2007 Posted April 2, 2007 In the catalyst driver, have you tried selecting either motion or vector adaptive de-interlacing?
tvmandan Posted April 2, 2007 Author Posted April 2, 2007 Yeah, tried that djOS. It's no good. I'm pretty sure its got something to do with a combo of the ATI drivers and VMR.
djOS Posted April 2, 2007 Posted April 2, 2007 Yeah, tried that djOS. It's no good. I'm pretty sure its got something to do with a combo of the ATI drivers and VMR. Hmm, try installing WinDVD 8 Platinum and using that for all Video processing in MCE (via DECHECK), The ATi de-interlacing may then work properly.
Damon1503559503 Posted April 2, 2007 Posted April 2, 2007 Sorry I don't have and ATI card and don't know if Vista has this setting but try this fix. http://www.xpmediacentre.com.au/community/...ghlight=fix+lcd rgds Damon
tvmandan Posted April 2, 2007 Author Posted April 2, 2007 Thanks Damon but it was no good. Will try WinDVD 8 tonight to see if it works any better. Still think it is something to do with the way ATI driver handles VMR.
tvmandan Posted April 3, 2007 Author Posted April 3, 2007 Tried WinDVD 8 and the deinterlacing was much better. The strange thing I did notice was that the CPU usage was very high so I'm 99% sure it wasn't using hardware acceleration even though I set it to use hardware acceleration in the settings. So I went back to PowerDVD and tried playing content in that with DxVA turned off the deinterlacing was better. Tried Nero Showtime with hardware accel turned off but there was no difference in deinterlacing. Tried FusionHDTV with DxVA turned off and there was a marginal improvement. Also, Nero showtime does some wierd thing where the gamma appears to adjust in high motion scenes.....I guess when the adaptive deinterlacing is working its hardest. I've used zoomplayer to test the PowerDVD and WinDVD decoders using overlay.....as both programs use VMR and there is no way I know of to disable that and force them to use overlay. What I can say is that when using overlay the decoders have very crisp and vivid colours but in their native programs using VMR the colour is washed out and blurry. I can confirm this using FusionHDTV as this program allows me to select VMR or overlay. Anyway, if anyone has had any success fixing this problem then let me know. Also if anyone has any ideas which tech support to pass this on to that would be good too. Not sure whose prob it is though....microsoft, ATI or the cyberlink etc... Cheers, Dan
AndrewWilliams Posted April 4, 2007 Posted April 4, 2007 No problems with PowerDVD 7.3 on an nVidia 8800. It even gives you an option for Purevideo acceleration which does a superb job of deinterlacing.
tvmandan Posted April 5, 2007 Author Posted April 5, 2007 Tried PowerDVD 7.3 and that decoder seems ok. Even tried it with zoom player so i could compare overlay and VMR. It worked a treat. So now I'm thinking its not my x1600 vid card but the software manufacturers of FusionHDTV, Nero Showtime, WinDVD etc.
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