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Old 23rd December 2011, 13:09   #11641  |  Link
Qaq
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Want great picture? Care about "HQ chroma sub-sampling" and best chroma scaler?
First make sure your PC-TV setup is ready for real RGB 4:4:4: Official 4:4:4 / Chroma Subsampling Thread
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Old 23rd December 2011, 13:28   #11642  |  Link
nevcairiel
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First make sure your PC-TV setup is ready for real RGB 4:4:4: Official 4:4:4 / Chroma Subsampling Thread
That thread has so many flaws..
The base idea might be good, but some crucial facts are missing or mis-represented.

Also, whats never mentioned anywhere is that a HTPC gets really much less useful if you have no good digital audio output..
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LAV Filters - open source ffmpeg based media splitter and decoders

Last edited by nevcairiel; 23rd December 2011 at 13:50.
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Old 23rd December 2011, 13:56   #11643  |  Link
Xaurus
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Quote:
Originally Posted by nevcairiel View Post
That thread has so many flaws..
The base idea might be good, but some crucial facts are missing or mis-represented.

Also, whats never mentioned anywhere is that a HTPC gets really much less useful if you have no good digital audio output..
I ran the 4:4:4 test on my plasma and it failed.

However, I have fantastic surround sound. So I'll stick with my 4:2:0.
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Old 23rd December 2011, 14:07   #11644  |  Link
Qaq
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I ran the 4:4:4 test on my plasma and it failed.
However, I have fantastic surround sound. So I'll stick with my 4:2:0.
420 is not supported by HDMI, read the thread intro. You got 422.
@Nev, I got 1007 and you know what I mean. I much more care about the picture (chroma) ATM.
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Old 23rd December 2011, 14:14   #11645  |  Link
nevcairiel
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One thing that was never communicated there:

You cannot down-sample RGB, so if you're sending RGB, you always send full 4:4:4. Its quite certainly possible that your TV does not display that as RGB, but internally processes it as YCrCb 4:2:2, losing precision in the process, but if RGB goes over the HDMI bus, it will be 4:4:4 (such terms dont even apply to RGB)

PS:
What does "1007" mean? :d
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LAV Filters - open source ffmpeg based media splitter and decoders

Last edited by nevcairiel; 23rd December 2011 at 14:16.
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Old 23rd December 2011, 14:26   #11646  |  Link
Qaq
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One set driver to RGB444, send picture over DVI output (w/o sound) to TV: result 444. Picture over HDMI output (w/ sound) to TV: result 422. What does it mean and what to do?
"1007" means Onkyo 1007.
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Old 23rd December 2011, 14:36   #11647  |  Link
Xaurus
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420 is not supported by HDMI, read the thread intro. You got 422.
@Nev, I got 1007 and you know what I mean. I much more care about the picture (chroma) ATM.
I assume you're correct, for me it still doesn't really make a difference though. Thanks for the info.
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Old 23rd December 2011, 15:28   #11648  |  Link
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Maybe stupid question but does catalyst A.I. affect madVR's PQ???
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Old 23rd December 2011, 18:47   #11649  |  Link
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Does the "overshoot max frame latancy" setting interfere with queuing in madvr? Seems i get more stable playback with it enabled but "present queue" is dropping and it dosn't refill unless i pause and play. I have a fast pc so there should be lots of cpu-power. What does the setting do excactley?
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Old 23rd December 2011, 19:54   #11650  |  Link
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Does the "overshoot max frame latancy" setting interfere with queuing in madvr? Seems i get more stable playback with it enabled but "present queue" is dropping and it dosn't refill unless i pause and play. I have a fast pc so there should be lots of cpu-power. What does the setting do excactley?
Yea, don't enable that. Toy around with the queues until you find a sweet spot if leaving them at auto doesn't work. Make sure you've done a clean installation of madVR v0.80.
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Old 23rd December 2011, 21:28   #11651  |  Link
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I have to enable "overshoot max frame latency", otherwise I get constant presentation glitches.
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Old 23rd December 2011, 22:07   #11652  |  Link
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yes i also had to have that enabled. Setting the two bottom flush settings to "flush" helped my issue thou. I still get a few glitches when i start or search in a movie but thats normal yes?
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Old 24th December 2011, 04:47   #11653  |  Link
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Just can't give madshi and nev enough props for their hard work on madVR and LAV. The combination just seems so polished now.
And it's also very nice to see that the CPU load seems to have been lowered, especially in windowed mode.

Don't want to post this twice. Nev, I know you visit this thread often.

Last edited by rahzel; 24th December 2011 at 09:02.
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Old 24th December 2011, 05:44   #11654  |  Link
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just can't give madshi and nev enough props for their hard work on madvr and lav. The combination just seems to polished now.
And it's also very nice to see that the cpu load seems to have been lowered, especially in windowed mode.

Don't want to post this twice. Nev, i know you visit this thread often.
+1.....
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Old 24th December 2011, 07:29   #11655  |  Link
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^^^^ Ditto!

QB
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Old 24th December 2011, 10:18   #11656  |  Link
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1080/60p = slide show w/madVR

I now have a Radeon 6570 and use MPC-HC and LAV to playback my 1080/60p camcorder footage. With madVR selected as the renderer, my videos playback like a slide show. If I select EVR Custom Pres., my videos playback just fine.

Previous setup worked fine as well and the only difference there was the graphics card (GeForce 520) and I had CUVID enabled in the LAV video decoder settings (obviously I can't use CUVID now with my new Radeon card).

NOTE: My interlaced footage (from older camcorder) looks much better (smoother, less artifacts) with madVR and my Radeon (vs. madVR + the GeForce 520). My 720/60p GoPro footage looks good too so looks like just my 1080/60p content is an issue with madVR.

Thanks,

->g.

Last edited by glc650; 24th December 2011 at 10:35.
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Old 24th December 2011, 15:14   #11657  |  Link
Mr Alpha
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When doing IVTC with madVR on my PAL X-Files, I get a weird result where every other frame had combing. Like this.
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Old 24th December 2011, 15:31   #11658  |  Link
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Hi (and sorry for my ethiopic )

Initialise madVR always with install.bat + XPsp3 and MPC-HC builds from xvidvideo.ru:
With 0.79 I becomes the trayicon of madVR 1 of 20 times not to show. Ok, it was not serious problem.
But with 0.80 this icon, and hereby the easy acces to the GUI, is completly lost

With the same mpc-hc build, same GPU, same driver. Therefore I think, this is not a mpc-hc problem -> Downgrade to 0.79, trayicon is back.
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Old 24th December 2011, 16:49   #11659  |  Link
dukey
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When doing IVTC with madVR on my PAL X-Files, I get a weird result where every other frame had combing. Like this.
You can't ivtc 25fps video
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Old 24th December 2011, 17:13   #11660  |  Link
Pik
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p.s.:
Tests with last few versions of mpc-hc. Till 1.5.3.3895 (I mean). Later versions of mpc-hc, till this day 3913, are on my system STURDY broken.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling

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