Devices > Video Cards, Monitors, Televisions, and Projectors

Nvidia massive artifacts: hardware acceleration ROHQ with one series of 4K mkv

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RD James:
Perhaps you could cut a 30 second clip and upload it somewhere?

You could also try enabling LAV Video's D3D11 decoding.
For this, you need LAV Video installed/registered on the system. If you want to register MC24's install of LAV Video, the command is:

--- Code: ---regsvr32 "C:\Users\<YOUR USERNAME>\AppData\Roaming\J River\Media Center 24\Plugins\lav64\LAVVideo.ax"
--- End code ---

In Tools > Options > Video, set the video mode to custom, and add LAV Video Decoder.
Now in LAV Video's properties, select D3D11 as the hardware decoder and your GPU as the hardware device to use.
 
I haven't experienced this video corruption, but have found that the D3D11 decoder seems to be more stable with problematic video formats like WMV files which would frequently crash Media Center when seeking (though it's still not perfect).

fitbrit:
Thanks very much for the suggestions

fitbrit:
I finally got around to installing mkvtoolnix. That allowed me to make a 1 minute excerpt of one of the affected files. If anyone wants to try it, it's a120MB clip:
https://www.dropbox.com/s/wwgbou5ulbn5fxi/Stranger%20Things%20S01E01%202160p%20DD5.1%20HEVC%20excerpt.mkv?dl=0


The link plays in your browser, but you should download it to try out in MC's ROHQ, from the top right ellipses.
Just a reminder, my video card is a GTX1050Ti and I am running Win 10 Pro 64, with 64 bit MC24

jmone:
Quick test:
- HW Accell On + ROHQ: Video Corruption
- HW Accell On + ROStd : Initial Video Corruption then plays fine
- HW Accell OFF (any RO) : Plays fine

I'm sure Hendrik will shed some light on this clip and if it is just "broken" or not.

fitbrit:

--- Quote from: jmone on May 10, 2018, 12:15:26 am ---Quick test:
- HW Accell On + ROHQ: Video Corruption
- HW Accell On + ROStd : Initial Video Corruption then plays fine
- HW Accell OFF (any RO) : Plays fine

I'm sure Henrik will shed some light on this clip and if it is just "broken" or not.

--- End quote ---

Thanks, jmone. That is exactly what I see too. It's not just this file though - the whole season is like this, as are some other HEVC videos.
Which video card did you use, Nathan?

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