[FFmpeg-trac] #10102(ffmpeg:new): lavfi color background with clear png creating extra frames

[FFmpeg]

#10102: lavfi color background with clear png creating extra frames
-------------------------------------+-------------------------------------
             Reporter:  seankennett  |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  git-master   |               Resolution:
             Keywords:  overlay      |               Blocked By:
  image2 filter_complex              |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Elon Musk):

 Source of your problem is mixture of pixel formats for images, some are
 monob and rest are rgba. This is not supposed to work perfectly as it will
 cause reset of filtergraph and in end result give wrong/unexpected
 results.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10102#comment:3>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker