[FFmpeg-trac] #4814(undetermined:new): swscale default alpha blending drops alpha

FFmpeg trac at avcodec.org
Thu Sep 10 13:02:31 CEST 2015

#4814: swscale default alpha blending drops alpha
             Reporter:  michael      |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  swscale,     |               Resolution:
  alpha                              |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by projectsymphony):

 Replying to [comment:11 cehoyos]:
 > > > > is there a benchmark related to the performance impact that
 @cehoyos and @michael suggest?
 > > >
 > > > You mean additional (per-pixel) code comes for free?
 > >
 > > Depends on how that code is written. Usually people run benchmarks for
 what a code change encompasses before claiming that something has a huge
 performance impact.
 > Did I really say the impact is huge?

 From our other favourite bug:
 "No, I don't think a default massive performance regression is

 huge and massive are synonyms.

 > > > Maybe in avconv...
 > >
 > > How is this comment related to anything here? Please go troll
 > Lol, that is a funny argument when it comes from you!

 Not really sure why I deserve this comment. I restate, please go troll

 Any update on thig bug?

Ticket URL: <https://trac.ffmpeg.org/ticket/4814#comment:12>
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