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27th August 2013, 08:44 | #19944 | Link | ||
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27th August 2013, 16:13 | #19945 | Link | |
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27th August 2013, 18:16 | #19947 | Link |
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If you have a 1080p monitor there will always be scaling for playing 720p content (in most cases even for 1080p content due to chroma sub-sampling). For 1) madVR does that scaling, for 2) the monitor does the scaling. I don't know how good your monitor's scaling is, but the scaling madVR does is very good so I would go with 1).
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27th August 2013, 20:27 | #19949 | Link |
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Depends on whether your monitor is any good at scaling or not. In my experience, monitors suck at scaling. TVs on the other hand range from terrible to fantastic. My TV scales Wii 480p content exceptionally well - it's just a shame that Wii games don't tend to use anti-aliasing, otherwise they'd look great.
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28th August 2013, 03:18 | #19950 | Link | |
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Use madVR to scale. |
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28th August 2013, 08:41 | #19951 | Link | |
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thanks a lot for the link. I usually read very thoroughly and don't know how I've missed it ... well I think I know now - your post is above mine ?!?!? How is this even possible? May be some forum glitch. Anyway thanks - I'll play around with these this weekend.
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28th August 2013, 09:13 | #19952 | Link | |
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Sorry for not seeing the obvious earlier. |
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28th August 2013, 15:56 | #19955 | Link |
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It's always best to use the native resolution of your monitor. Let madVR do the scaling work instead of the monitor's internal scaling. For myself that meant using the rectangular pixel resolution of 1024x768 (I have a 2007 LG 720p Plasma)... Just make sure 1080p is your "native" resolution.
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28th August 2013, 18:07 | #19956 | Link | |
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I'm not sure how I forgot to ask him something so fundamental. I'll get that back to you when I have it. Also a question for display experts out there. I'm in a dilemma between IPS and TN. On one side I can get better colors but no 120hz (which is kinda sad for my casual gaming and video smoothness) but on the other side I can get the best smooth experience ever (but with not so good colors thanks to the bad viewing angles). Does one side has any other benefits which I'm not aware of that might help me make my decision on which one to go for? I'm aware that we have IPS displays that can be overclocked to 120hz, but those need to be imported AFAIK and I forgot the name of the other company that makes those around here...
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madVR scaling algorithms chart - based on performance x quality | KCP - A (cute) quality-oriented codec pack |
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28th August 2013, 18:35 | #19957 | Link | |||||||||
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Personally, I've no idea how that virtu stuff works. madVR behaves like a game. So whatever you do to make games run on your 7870 should in theory also work for madVR. If it doesn't then I don't know why, or how to make it work, unfortunately... Quote:
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Generally, playback should be more reliable the bigger the queues are. The smallest queue can be the bottleneck. It's better to have a 2000 frame queue which is half full than to have a 4 frame queue which is full. So it doesn't really matter if they're "full" or not. What matters is how many frames are stored in there. So setting the queues higher should usually help stability, as long as you're not running out of RAM and if the GPU driver doesn't have a problem with the queue size. Of course big queues mean slower OSD reaction. A larger presentation queue also means slower windowed <-> fse switches. So it comes at a price. I'm not sure, maybe Direct3D gets stuck/slower when the presentation queue is full. It shouldn't, but I've not written D3D, so I can't vouch for what it does. Quote:
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(1) Why is there more flickering with BFI turned *OFF* compared to turned *ON*? Normally BFI introduces flickering, it doesn't remove/reduce it!!! (2) When you're talking about "24p judder", do you mean the judder that the lower framerate of 24fps naturally comes with? If so, 24p@60Hz + mVR FRC should show it exactly the same way. If 24p@60Hz + mVR FRC is smoother for you than the native 24Hz modes of your display, then I would bet on that your display doesn't handle 24Hz "correctly", instead it probably does a 3:2 pulldown internally. If that is the case, what you're seeing is not "24p judder", but instead 3:2 pulldown judder introduced by your display handling 24p input in a bad way. If you had a display which handles 24Hz input correctly, it should be just as smooth as 24p@60Hz + mVR FRC is. Quote:
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28th August 2013, 18:47 | #19958 | Link |
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Need HELP gathering samples for future madVR algorithms.
Basically I'm looking for samples which have all kinds of black bars encoded into the video area, either top/bottom, or left/right, or even all around. The weirder the black bars are, the better. E.g. if the top bar is smaller than the bottom bar (as is the case with some Japan broadcasts because they place subtitles under the Cinemascope video area), that would make a great sample. If there are logos or burnt-in subtitles in the bars, that would be nice, too. They can be partially or completely in the black bars. Also interesting would be samples which have black bars with raised black levels. The higher raised, the better. Basically any sample which is weird in any way: Send it to me! Just very small samples (like 3 seconds of runtime or so) will do, although if you want to upload larger samples, that'd be fine with me, too. If it's a sample with subtitles in the black bars, then maybe it would make sense to make the sample a bit longer, so that the sample contains both (1) frames with subtitles visible and also (2) frames with no subtitles visible. Please don't expect those "future madVR algorithms" soon, and I'll also not comment on what exactly those algorithms will do. Maybe you can guess, based on what kind of samples I'm asking for. In any case, I'll not comment on the algorithms until they're done and available. Thanks! |
28th August 2013, 19:09 | #19959 | Link | ||
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madVR scaling algorithms chart - based on performance x quality | KCP - A (cute) quality-oriented codec pack |
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28th August 2013, 19:37 | #19960 | Link |
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Hi madshi,
I got a file (32 MB) to upload: http://www.mediafire.com/watch/y6ncdghwkkc35r5/SISTAR-Shady_Girl_-_YouTube_(need_ivtc%2C_need_ar_correction).webm Sorry I don't know how to make it shorter, due to the vp8 format. |
Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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