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VLC 3.0 works with HFR

Discussion about 120fps HFR as well as future Ultra HFR (240fps, 480fps and 1000fps) playing back in real time on high refresh rate displays. Bleeding edge experimentation.

VLC 3.0 works with HFR

Postby Chief Blur Buster » 11 Feb 2018, 23:14

Hello,

Just wanted to confirm the brand new VLC 3.0 does indeed work with HFR video files (120fps tested so far).

Cheers,
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Re: VLC 3.0 works with HFR

Postby lexlazootin » 12 Feb 2018, 11:10

120fps works for me, although it still don't work with G-Sync fullscreen :x ill probably test with 240fps for fun tomorrow
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Re: VLC 3.0 works with HFR

Postby RealNC » 12 Feb 2018, 11:55

Try different back-ends. OpenGL should work with G-Sync. However, whether it's useful or not depends on whether you can disable the triple-buffer-like behavior that many video players use (draw the same frame repeatedly.) In mpv this is called "display sync". VLC could be using something similar.

(This is used to minimize frame skips due to missing a vblank.)
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Re: VLC 3.0 works with HFR

Postby Chief Blur Buster » 12 Feb 2018, 12:11

Video players definitely do need to be VRR compatible to allow it to play any framerates.

Indeed, there's no such thing as a "missed vblank" when running with variable refresh rate -- the display simply waits for your software's frame instead.
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Re: VLC 3.0 works with HFR

Postby nuninho1980 » 12 Feb 2018, 17:40

I tested new "Direct3D11" using VLC 3.0 final but... I got not always 50fps (= stutters randomly) at 50Hz. FAIL! :S I got no any stutters at Direct3D using VLC v1.1.9 and v2.2.6.
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Re: VLC 3.0 works with HFR

Postby Chief Blur Buster » 12 Feb 2018, 18:03

Hmmm!
You (we) should report this bug.
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