https://bugs.kde.org/show_bug.cgi?id=512943
Bug ID: 512943
Summary: Blur effects issues with alpha channel
Classification: Applications
Product: kdenlive
Version First unspecified
Reported In:
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: Video Effects & Transitions
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 187336
--> https://bugs.kde.org/attachment.cgi?id=187336&action=edit
blur issues on clips with alpha channel
I just saw that the effects in the blur category aren't capable of correctly
handling the alpha channel, in one way or another.
To exemplify it, please look at the attached video.
I've detected mainly two kinds of problems:
1. Edge handling (straight/premultiplied).
2. Not being able to extend the limits of the clip to accommodate the new
pixels generated by the effect.
As I could see, all of those effects suffer from the first problem, while most
of them also suffer from the second one.
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