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24th January 2013, 07:09 | #17141 | Link |
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Make sure you run in Admin. I did it only by double click and it didn't reset anything.
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madVR scaling algorithms chart - based on performance x quality | KCP - A (cute) quality-oriented codec pack |
24th January 2013, 07:25 | #17143 | Link | |
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As others have already confirmed, 3:2 IVTC is now nice and smooth @96Hz & @120Hz with the TS samples I sent you. Thanks.
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24th January 2013, 07:37 | #17145 | Link | |
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A question for everyone, this is a somewhat unrelated, but if I were to use madVR + LAV Video decoder with DXVA2 enabled, which one would be the best option: native or copy-back? I have an Intel GMA 4500MHD. Also madshi, seems like if I use (copy-back) the OSD doesn't show the [DXVA2] on it.
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madVR scaling algorithms chart - based on performance x quality | KCP - A (cute) quality-oriented codec pack |
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24th January 2013, 08:10 | #17146 | Link | |
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On some GPUs madVR will even do its own "copy-back" internally because its currently the only way for it to get maximum quality, but i think thats mostly limited to NVIDIA, IIRC. In this case, copy-back or CUVID is even more to be recommended, as the performance penality is nearly the same, and using cb/cuvid gives you the flexibility again. However, you should only use Copy-Back if you have a SSE 4.1 capable CPU (introduced with Penryn Core2 models, on the AMD side only with Bulldozer) Thats to be expected, and part of the whole idea that is copy-back. With copy-back, all DXVA stuff stays internal to the decoder, and the outside world has no clue that DXVA is being used - which means it has the full flexibility of a software decoder and none of the DXVA Native limitations.
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LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 24th January 2013 at 08:24. |
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24th January 2013, 09:26 | #17148 | Link | |||||
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Oh. I can reproduce it. Weird, will have to double check... Quote:
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P.S: Just to make sure there are no misunderstandings: A 640 with DDR3 memory will still be able to run madVR "just fine" (with reasonable settings). I just think that for a very modest price increase you can get a quite big performance boost by going for a 650 with GDDR5. A "delayed frame" means that madVR had planned to present a frame for VSync number X but for some reason things went wrong and presentation was done at VSync number X+1 (or +2, +3, ...) instead. Basically a "delayed frame" is a presentation accident. It should usually only occur in windowed/overlay mode (and only if the refresh rate is higher than the movie framerate), but not in fullscreen exclusive mode. A "repeated frame" happens if madVR has to show one frame for 2 VSync intervals, in order to keep audio and video in sync. So this is not an accident but it's a planned frame repeat which is necessary because framerate and refresh rate mismatch. So when *not* using Reclock, you should try to optimize your refresh rate so that during the runtime of a movie you get max 1-2 frame drops or repeats. If you get frame drops, your refresh rate is too low. If you get frame repeats, your refresh rate is too high. This all only applies if the movie framerate and the refresh rate are reasonably close. If you use your 120Hz output, this all doesn't apply. For reasons of non-optimal refresh rate you'll never get either frame drops or frame repeats listed in the OSD when using 120Hz because there'll be so many frame repeats (120-24 = 96 per second) that it just doesn't make sense to even count them. |
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24th January 2013, 09:42 | #17149 | Link | |
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24th January 2013, 11:43 | #17152 | Link |
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Just a couple of things, what kind of upscaling should a Radeon 6870 handle? Seems Jinc4 is the best you can get.
Another thing, when using exclusive mode, with my secondry monitor sometimes applications get "stuck". They fade, and become unresponsive until I take madvr out of exclusive mode by right clicking on mpc. Is there any reason this is happening? Seems a driver thing. Disabling desktop composition does the trick, but is there away to keep it without this happening? Disabling exclusive mode results in dropped frames sadly... |
24th January 2013, 14:47 | #17153 | Link |
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Hi Madshi, just looking at your new "repeated frames" counter.
When playing R1 DVDs @59.94Hz with JRiver MC's Videoclock I get 12 repeated frames counted every second. See attached screenshot. http://sdrv.ms/Tr1d3C The clock deviation eventually converges on 0.00000%. In the link the rendering time is pretty close to the frame time, but I have repeated with more basic upscaling, so rendering takes <5ms and still the same 12 repeated frames a second. Seems it is not caused by over-processing. Can't say I can notice them so maybe it is an error in the OSD? On the other hand, with so many, they may be hard to spot combined with pulldown judder. On the other, other hand maybe it is just counting the pulldown frames?! If the latter, I guess it could also be intentional, although a little confusing if it is. Of course I can do a log, but it might be better for you to see if you see the same with a R1 DVD. Last edited by Jong; 24th January 2013 at 14:59. |
24th January 2013, 15:02 | #17154 | Link | ||||
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24th January 2013, 15:06 | #17155 | Link |
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i'm sure u can fix this issue but i still want to point it out:
running a 1440x1080p60i h264 ar 16/9 with dxva cp and lavfilter yadif (50/60p) my grafikcard 6770 can't handle it even with bilinear filtering. ofc the card is more then fast enough but when using dxva the card stays at 400 mhz and not the 850 mhz max power state. even when i pause the play back and start a computer game the grafikcard will still stay at 400 mhz. without dxva cp i can use jinc 3 ar for both chroma and luma and i'm still under 14 ms render time so the card is just fast enough. when low power grafikcards like the 6450 behaver like this there is noway for a system with the need of dxva to do it with madvr. but without dxva is should be possible. |
24th January 2013, 15:17 | #17156 | Link |
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@huhn, AMD cards are known to be slow with copyback (especially everything older than 7xxx). So simply don't use DXVA Copyback. Use either Native DXVA or don't use DXVA at all. There's nothing I can do about it. It's not a problem in madVR. Actually the slowness is caused inside of LAV Filters when doing the Copyback.
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24th January 2013, 15:42 | #17157 | Link |
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Madshi, further on repeated frames, just been playing a PAL DVD @50Hz (50.0011Hz) with Videoclock. I was surprised to see 2 repeated frames in about 20 mins. Stats say 1 frame repeat every 15 mins even with 0.00001% clock deviation. Any thoughts why this would be?
For blu-ray and mkv 720p, even sped up from 24p to 25p, the repeat rate in stats is in days (or occasional many hours). Last edited by Jong; 24th January 2013 at 15:51. |
24th January 2013, 15:43 | #17158 | Link |
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are u sure the slowness is a cause of lav? it's the "same" with native(i have to encode the video in 60p to test it but the mhz still stays at 400) the card just stays at 400 mhz is not like amd is slow amd is simpling blocking the potential of the card when dxva is in used. at least that is what i see there.
but yeah there is nothing u can do about so i leave it at this maybe amd "fix" this... |
24th January 2013, 15:50 | #17159 | Link | ||
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24th January 2013, 15:50 | #17160 | Link |
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I'm sure DXVA2 Native works fine on AMD. IIRC the reason for DXVA2 Copy-Back not working well enough on older AMD cards is simply to do with their architecture.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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