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Lapsharp creates artefacts #1751

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pikopikopikopiko opened this Issue Dec 25, 2018 · 6 comments

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@pikopikopikopiko
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pikopikopikopiko commented Dec 25, 2018

Description of the problem

Using LapSharp makes output glitchy on right border in some circumstances, not all videos but 20%-25% of all, the lower res the bigger glitch, in 720p is nearly visible but in 480p its kinda big
http://vpx.pl/i/2018/12/25/right.border.png

right border is violet and it blinks

HandBrake version (e.g., 1.0.0)

Lastest handbrake v1.2.0

Operating system and version (e.g., Ubuntu 18.04 LTS, macOS 10.14 Mojave, Windows 10 1809)

Win 10 lastest

@pikopikopikopiko pikopikopikopiko changed the title Lapsharp create artefacts Lapsharp creates artefacts Dec 25, 2018

@bradleysepos

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bradleysepos commented Dec 25, 2018

Thanks for the support. Maybe @jstebbins can help spot whether I've introduced a stride issue.

@pikopikopikopiko

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pikopikopikopiko commented Dec 26, 2018

moreover often lapsharp makes 2nd frame all green

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bradleysepos commented Dec 26, 2018

Can you provide a sample video that exhibits this problem and an activity log showing the settings you used?

@sr55

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sr55 commented Jan 3, 2019

I've not had any luck reproducing this with the information provided. We really need a log and ideally a sample source if possible to help track this down please.

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sr55 commented Jan 3, 2019

Meh, Moment I said that, I reproduce this!

image

log.txt

Log attached.

@sr55 sr55 added this to the 1.2.1 milestone Jan 3, 2019

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sr55 commented Jan 3, 2019

The chosen preset seems to impact how bad it is. Looks worst with Very Strong -> Sprite.

I've pinged you a source file on IRC.

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