Reply to thread

Message

<blockquote data-quote="Crabstick" data-source="post: 307753" data-attributes="member: 76521">DVDs may be either progressive or interlaced or both (partially interlaced). I think you are on the right track about the judder. If source is 25 FPS, your display needs to be at 25 or 50 Hz.Yes, XVID is usually&nbsp; progressive. You can make an FFDSHOW profiles for XVIDs and STB and then create autoloading rules for those. In this case you could load the XVID profile based on the FOURCC code (select all related to xvid or divx) and since your STB resolution is fixed you can use that as a rule for STB profile.When you say the video gets &quot;darker&quot; when upscaling it may be related to different colour spaces used for SD and HD. At least ATI cards use different values for anything less than 720p (SD) and different values for anything over that (HD).I have struggled months with washed out SD picture with my setup. It took me long to figure this one out. Problem was that everything that was less than 720p (including all mkv files with res like 1280x544) got really gray blacks and poor contrast. Solution is to scale the image to at least 1280x720 in ffdshow. This works for everything else other than DVB.For some reason the deinterlacing in ATI drivers gets broken if I try to scale DVB picture in any way. Now, in order to get my DVB picture perfect, I had to insert a registry hack &quot;UseBT601CSC=1&quot; in the driver registry settings and reboot. Now everything rendered by the driver gets the same colour codes and black level and contrast is great.I could go on forever about different tweaks, settings and hacks I have made to make my rig perform, but I think I'll save it. All I can say that finally after months of struggle everything works as it should and I'm happy. If you are interested (and have 780G board or similar ATI card) I'll be glad to help.</blockquote>

[QUOTE="Crabstick, post: 307753, member: 76521"] DVDs may be either progressive or interlaced or both (partially interlaced). I think you are on the right track about the judder. If source is 25 FPS, your display needs to be at 25 or 50 Hz. Yes, XVID is usually progressive. You can make an FFDSHOW profiles for XVIDs and STB and then create autoloading rules for those. In this case you could load the XVID profile based on the FOURCC code (select all related to xvid or divx) and since your STB resolution is fixed you can use that as a rule for STB profile. When you say the video gets "darker" when upscaling it may be related to different colour spaces used for SD and HD. At least ATI cards use different values for anything less than 720p (SD) and different values for anything over that (HD). I have struggled months with washed out SD picture with my setup. It took me long to figure this one out. Problem was that everything that was less than 720p (including all mkv files with res like 1280x544) got really gray blacks and poor contrast. Solution is to scale the image to at least 1280x720 in ffdshow. This works for everything else other than DVB. For some reason the deinterlacing in ATI drivers gets broken if I try to scale DVB picture in any way. Now, in order to get my DVB picture perfect, I had to insert a registry hack "UseBT601CSC=1" in the driver registry settings and reboot. Now everything rendered by the driver gets the same colour codes and black level and contrast is great. I could go on forever about different tweaks, settings and hacks I have made to make my rig perform, but I think I'll save it. All I can say that finally after months of struggle everything works as it should and I'm happy. If you are interested (and have 780G board or similar ATI card) I'll be glad to help. [/QUOTE]

Verification