[FFmpeg-trac] #5622(undetermined:new): Image overlay with straight alpha
FFmpeg
trac at avcodec.org
Wed Jun 8 17:23:42 CEST 2016
#5622: Image overlay with straight alpha
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Reporter: jb_alvarado | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by jb_alvarado):
I am not 100% sure if this is a straight alpha, but when I render this
png's I have an option "Pre-Divide by Alpha", normally this option is off.
If I turn it on, the overlay in ffmpeg is good, without boarder.
The Problem is, that I mostly don't know, if somebody turn this option on,
or not. So it would be nice to have an option in ffmpeg to fix this.
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Ticket URL: <https://trac.ffmpeg.org/ticket/5622#comment:1>
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