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23rd January 2018, 08:17 | #48601 | Link | |
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K Last edited by oldpainlesskodi; 23rd January 2018 at 08:44. |
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23rd January 2018, 09:05 | #48602 | Link | |
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23rd January 2018, 11:22 | #48603 | Link | |
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I am guessing this is on the uhd itself. Not a madvr issue. |
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23rd January 2018, 20:52 | #48606 | Link |
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When I'm playing content with a very high bitrate like UHD HDR Bluray (overall bitrate > 65 Mb/s with peak at more than 100 Mb/s) the video stutter and I'm dropping a lot of frames.
I've tried playing the file on a SSD and the issue remains. Some UHD Bluray read flawlessly but other stutter a lot. Any insight as to why ? Windows 10 Madvr v0.92.10 Potplayer 64bits v1.7.7145 Intel i5 3570K AMD 7870XT 2 Go 8GB of ram Crucial MX100 250Go Sata 6Gb/s Seagate Barracuda Green 2To Sata 6Gb/s |
23rd January 2018, 20:54 | #48607 | Link |
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Most definitely running out of power to decode them. High-bitrate HEVC UHD streams require quite a lot of CPU power to decode, and your graphics card is also too old to assist in that process, so yeah. Not enough performance.
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LAV Filters - open source ffmpeg based media splitter and decoders |
23rd January 2018, 21:39 | #48608 | Link |
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this card, (a) I doubt this card supports 2160p output and if it does you will only get 23,976hz
(b) has no HEVC hardware decoding. So your cpu is not only crunching through decoding HEVC but also downscaling as well. IMHO - Best option is to pickup a cheap 4k card, the cheapest you will find used is the RX 460 or Nvidia 1030. Both should play these movies fine with madvr settings at default. You cpu is ivy bridge so no HEVC hardware decode on there either i'm afraid. Last edited by mclingo; 24th January 2018 at 01:06. |
23rd January 2018, 22:53 | #48609 | Link | ||
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The GPU is doing nothing. Well it's time for an upgrade ! Thank you for your answer ! |
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24th January 2018, 03:38 | #48610 | Link |
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* "remove compression artifacts" now always runs as part of NGU (if possible)
Am I the only one who doesn't like this change? Can't this feature inadvertently soften or smear the image? (My philosophy is that imperfections in the image should be left alone if it is part of the source.) |
24th January 2018, 04:00 | #48611 | Link | |
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You still have to tick to enable 'remove compression artifacts' and be running NGU (sharp only still I believe) it's just there's no option to run it separately like there used to, which makes sense as it's basically free with NGU.
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If it only targeted what is humanly seen as "artifacts" then it wouldn't be a problem, personally I'd find deblocker + derainbow algos more useful. In what situations does RCA offer it's best results? Anyone got any screenshots or sample to share to see it in action? Last edited by ryrynz; 24th January 2018 at 05:02. |
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24th January 2018, 10:01 | #48612 | Link | ||
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Last edited by mytbyte; 24th January 2018 at 10:16. |
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24th January 2018, 10:13 | #48613 | Link |
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You never want to set Chroma to 4:2:0 though, its like the worst choice for quality. Always prefer 4:4:4/RGB in 8-bit over some 4:2:0 mode in 12-bit.
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LAV Filters - open source ffmpeg based media splitter and decoders |
24th January 2018, 12:35 | #48614 | Link | |
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I dont doubt i'm losing something somewhere but convenience wins out on this occasion, however, if someone could point to a real world clip where I could definitely see a difference i may change my mind. |
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24th January 2018, 12:56 | #48615 | Link |
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madshi, I see you explain how zoom control doesn't work when using D3D11 decoding in LAV Filters, I've also discovered that hardware deinterlacing through madVR doesn't work as well (when using 3D11 decoding).
Is this something that's going to change in the future or are there insurmountable obstacles stopping that? |
24th January 2018, 15:52 | #48616 | Link |
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I'm specifically using the zoom function in MadVR because of the superior scaling algorithms compared to media players. it does the job well, except for zooming away top and bottom bars which I would prefer it did not do
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24th January 2018, 17:13 | #48617 | Link | |
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HOW TO-Kodi 2D-3D-UHD (4k) HDR Guide Internal & External Players W11 Pro 24H2 GTX960-4GB RGB 4:4:4 @Matched Refresh Rates 8,10,12bit KODI 22 MPC-HC/BE 82" Q90R Denon S720W |
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24th January 2018, 17:43 | #48618 | Link |
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no knightmares for me, no switching anything, no need to change between full and limted on anything, not sure what you are referring to.
The point of using this is that I dont have to switch anything once you got your colour space chain right. One problem I was getting was that I'd get audio dropouts when using 444 full RGB when playing 4k stuff, mainly high bit rate and HDR stuff and far more black screens and loss of HDMI, even though it was in 23p and should not have been a bandwidth issue. 1080p playback was flawless though so it does suggest bandwidth. This happened even after checking and replacing all my cabling and ensuring my full equipment path fully supported HDMI 2.0. I am considering taking another look at this as I'm thinking of scrapping HDR, after comparing some of the latest HDR offerings to their SDR versions they are either only slightly better or worse. Star trek 2009 looks terrible on my TV. My TV is a first gen HDR TV how with relatively low nits so this is expected. Last edited by mclingo; 24th January 2018 at 17:50. |
24th January 2018, 17:54 | #48619 | Link |
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I think I made it obvious to exactly was being referred. Did you happen to test any of those scenarios or just making assumptions that you're unaffected by them? If you only see a slight difference SDR to HDR, consider what is being explained to you. Then again, perhaps your display isn't capable of the full benefits of modern sources, software, and hardware after all and no amount of massaging is going to relieve your experience.
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HOW TO-Kodi 2D-3D-UHD (4k) HDR Guide Internal & External Players W11 Pro 24H2 GTX960-4GB RGB 4:4:4 @Matched Refresh Rates 8,10,12bit KODI 22 MPC-HC/BE 82" Q90R Denon S720W |
24th January 2018, 18:46 | #48620 | Link | |
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Also your dropout issue is probably cables or devices, I have had many HDMI cables that claimed to be 2.0 but had issues. 4:2:0 uses half the bandwidth but as way to get around bad HDMI cables it seems like a horrible sacrifice in quality. We are talking about madVR here.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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