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

FFmpeg trac at avcodec.org
Mon Aug 31 14:04:33 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:2 iive]:
 > - The users would immediately recognize it and will know that the
 problem is related to alpha channels. Then they can set the desired
 behavior on their own and eventually demand format specific workaround
 from us.

 While I was originally against this (for performance reasons), it is very
 difficult to argue against doing it.

Ticket URL: <https://trac.ffmpeg.org/ticket/4814#comment:3>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list