New version LAV is worse

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Post by Admin Fri Jul 15, 2016 1:54 pm

Can I download that same file somewhere?

Does it also stutter in full screen? I would expect smooth playback with those CPU usages.

I am using GraphStudioNext to accurately measure performance.
GSN > View > Performance test

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Post by vramor Fri Jul 15, 2016 6:44 pm

Admin wrote:Can I download that same file somewhere?
https://yadi.sk/d/LlRSKy1PqFFND
Does it also stutter in full screen?
Yes, a little.
I would expect smooth playback with those CPU usages.
So I did.
I am using GraphStudioNext to accurately measure performance.
GSN > View > Performance test
Thank you, I'll give it a try.

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Post by Admin Fri Jul 15, 2016 10:26 pm

It plays without stutters here. If you press Ctrl+J then you can see a graph. There is just an occasional small spike here.

The video may not look smooth visually because it is 50 fps and most screens are 60 Hz. This means there for each 5 frames displayed, one is shown twice.

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Post by Admin Fri Jul 15, 2016 10:48 pm

GraphStudioNext64 does 69,5 fps on this file here.

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Post by vramor Sat Jul 16, 2016 12:07 am

Admin wrote:GraphStudioNext64 does 69,5 fps on this file here.
Couldn't manage with GSN64 (0.7.0.430). It's too cool for me. Now when you've got the file I'm serene absolutely. Very Happy I use 12.2.6 from now on. Thank you for your time.

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Post by Admin Sat Jul 16, 2016 1:57 pm

My CPU is probably a tiny bit faster than yours.

It does 69,5 fps on average when decoding as fast as possible. This is without rendering, so performance will be a bit lower with actual playback. So it is a difficult file.

If you expect to play a lot if these kind of files in the future, then you should consider getting a new graphics card. The newest one have hardware acceleration for HEVC video. If I enable hardware acceleration on my system, then CPU usage drops to 1% Wink

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Post by vramor Sat Jul 16, 2016 2:23 pm

Admin wrote:If you expect to play a lot if these kind of files in the future...
It is unlikely, I use this file only for the KLCP testing. Wink Thank you once more for your attention.

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