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Old 23rd November 2016, 16:54   #21261  |  Link
NikosD
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As I have said before, my extremely fast, capable and expensive Core i7-4790 CPU can't decode YouTube 4K 60fps VP9 clips in realtime using latest Chrome x64 browser.

Not that I disagree with all of the above though.
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Old 23rd November 2016, 18:23   #21262  |  Link
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To decode YouTube 4K 60fps VP9 clips in realtime You have to use windows 10 IE edge browser as it should have hardware acceleration. I can play 2160 youtube in IE edge with no frame drops using Intel's Skylake processor.
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Old 23rd November 2016, 18:59   #21263  |  Link
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Haswell processors have no hardware acceleration of VP9.

Not even hybrid, like Broadwell and better.
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Old 23rd November 2016, 21:55   #21264  |  Link
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good that this is the lavfilter thread because lavfilter is more than fast enough to decode VP9 none 10 bit in real time on an i7.
https://abload.de/img/wellwhatevera1uia.png
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Old 23rd November 2016, 22:01   #21265  |  Link
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It's obvious that you don't follow the VP9 thread and the YouTube thread.

It is very well known that off-line decoding of VP9 clips downloaded from Youtube are a lot easier to decode by media players than on-line clips using browsers.
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Old 23rd November 2016, 22:08   #21266  |  Link
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this is the lavfilter thread.

and software decoding is fast enough for the usual files people will encounter.

and it is still the same clip.

frames are dropped in the browser even with VP 9 hardware decoding.
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Old 23rd November 2016, 22:43   #21267  |  Link
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I'm not talking about occasional frame dropping.

I'm talking about huge loss of frames every second.

And you don't have to remind people reading this thread, what thread we are reading.
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Old 24th November 2016, 01:42   #21268  |  Link
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Quote:
Originally Posted by NikosD View Post
It is very well known that off-line decoding of VP9 clips downloaded from Youtube are a lot easier to decode by media players than on-line clips using browsers.
Are you suggesting that different software can deliver different performance levels when playing back the same clips on the same hardware?
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Old 24th November 2016, 06:24   #21269  |  Link
VictorLS
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Originally Posted by Aleksoid1978 View Post
I tested(do modify LAVVideo) - perfect working P016(decoding HEVC 10 bit) output with MadVR using CUVID.
Without dithering?
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Such sample was in this tread about month ago with no reaction from nevcairiel
Are you tried 12bit 4:4:4 after your changes? Shows video-x265-12bit-444.mp4 well?

Last edited by VictorLS; 24th November 2016 at 06:27.
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Old 24th November 2016, 06:29   #21270  |  Link
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NikosD
Please try to insert youtube VP9 link in MPC-BE and choose 4K while playing it. I have to mention that MPC-BE much better than any browser I tried in playing video. This experiment will be answer for ocyl's question.
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Old 24th November 2016, 07:02   #21271  |  Link
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CUVID also as other HW decoder - support decoding only 4:2:0
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Old 24th November 2016, 07:57   #21272  |  Link
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Are you suggesting that different software can deliver different performance levels when playing back the same clips on the same hardware?
this is a software(browser) problem and nothing else. it is not harder to decode on line streams.

i get about 3-6 frames dropped per sec with hardware decoding in browsers.
it should be the browser my internet is more than fast enough.
but again this has nothing to do with lavfilter.
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Old 24th November 2016, 08:45   #21273  |  Link
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CUVID also as other HW decoder - support decoding only 4:2:0
I know. I asked two different qustions: Without dithering about native 10bit CUVID decoding and Are you tried 12bit 4:4:4 after your changes? Shows video-x265-12bit-444.mp4 well? about None hardware acceleration in LAV Video Decoder. Now video-x265-12bit-444.mp4 plays bad (with color problems).
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Old 24th November 2016, 09:07   #21274  |  Link
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About P016 output - of course without dithering. About 12 bit 444 - I fix in mpc-be and color is right, LAV must fix by author.
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Old 24th November 2016, 10:46   #21275  |  Link
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Originally Posted by Aleksoid1978 View Post
About P016 output - of course without dithering.
That's very cool. Where and when we can see working solution for that?
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About 12 bit 444 - I fix in mpc-be and color is right, LAV must fix by author.
I agree, but even such simple things nevcairiel usually doing very hard.
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Old 24th November 2016, 10:57   #21276  |  Link
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nevcairiel
Bug in YUV 12bit 444 ->RGB conversion.

yuv2rgb.cpp -> yuv2rgb_convert_pixels() finction.

[snip]

Short sample - https://yadi.sk/i/u8pggKFqzJLcR
Fixed, thanks.
Generally I would recommend to not rely on the RGB conversion though, its really going to be slow on high resolutions.
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Old 24th November 2016, 12:02   #21277  |  Link
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Fixed
Thank you, I'm sorry I'm wrong this case. And what about possibility to disable Use HQ DXVA Processing with CUVID?
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Old 24th November 2016, 12:41   #21278  |  Link
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Guys, can you try with software and hardware acceleration this sample Men.in.Black.1997.2160p.WEB-DL.mkv (2,3GB) https://yadi.sk/i/I8FFU8PdzNRpt I made from 112GB movie with mkvtoolnix. Is there syncronization between audio and video in both cases?
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Old 24th November 2016, 13:01   #21279  |  Link
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Originally Posted by VictorLS View Post
Guys, can you try with software and hardware acceleration this sample Men.in.Black.1997.2160p.WEB-DL.mkv (2,3GB) https://yadi.sk/i/I8FFU8PdzNRpt I made from 112GB movie with mkvtoolnix. Is there syncronization between audio and video in both cases?
With DXVA - perfect playback, A/V sync. In software - x86/x64 build is not enough.
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Last edited by Aleksoid1978; 24th November 2016 at 13:10.
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Old 24th November 2016, 13:09   #21280  |  Link
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Appologies, some add: in Win_x64 try with x64 software decoding, x86 IMHO hasn't even small chance with any modern processor.
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