4K H265 playback - choppy no matter what I try?

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4K H265 playback - choppy no matter what I try? Empty 4K H265 playback - choppy no matter what I try?

Post by pnag Tue Dec 08, 2020 1:14 pm

Afternoon, all!

Attempting to playback a 70 gig 4K H265 file, and no matter what I use, the playback is choppy; both video and audio. I'm using a GTX 980 and an i3; settings seem good for everything else, but not when it comes to this file, whether I use VLC, MPC-HD, or Windows Media Center (K-lite codec pack, course.)

Any ideas? Just got my very shiny OLED set up, and everything else is working like a dream. Apologies if I've left anything out!

pnag

Posts : 7
Join date : 2020-10-23

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Post by Kmk007 Mon May 17, 2021 3:06 am

I'm not sure, but I think your GPU is the bottleneck. Not from the processing side, but it's like too aged. (maybe the bandwidth for this file is not enought, maybe the HDMI type (1.4 or 2.0)... etc).

Kmk007

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Post by pnag Mon May 17, 2021 9:12 am

Found the solution - was actually my CPU Smile 'side-graded' from an i7 I had spare, and it's all fine now.

pnag

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Post by Admin Mon May 17, 2021 12:58 pm

GTX 980 does not support hardware acceleration of H265, so you indeed need a fast CPU.

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Post by pnag Mon May 17, 2021 12:59 pm

Ah! Well that does indeed explain it - thanks so much!

pnag

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