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

FFmpeg trac at avcodec.org
Mon Aug 31 16:25:06 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 cehoyos):

 Replying to [comment:10 projectsymphony]:
 > Replying to [comment:9 cehoyos]:
 > > Replying to [comment:7 projectsymphony]:
 > > > 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?

 > > Maybe in avconv...
 > How is this comment related to anything here? Please go troll elsewhere.

 Lol, that is a funny argument when it comes from you!

Ticket URL: <https://trac.ffmpeg.org/ticket/4814#comment:11>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list