[FFmpeg-trac] #3571(avfilter:new): Drawtext fontcolor alpha not working

[FFmpeg]

#3571: Drawtext fontcolor alpha not working
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             Reporter:  nickj        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avfilter     |                  Version:
             Keywords:  drawtext     |  unspecified
  alpha fontcolor                    |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Using drawtext filter, the fontcolor alpha channel goes grey instead of
 see through

 Uploaded file example is here - http://www.datafilehost.com/d/b44e215d

 buffer=width=640:height=480:pix_fmt=1:time_base=333333/10000000:pixel_aspect=0/1
 [primary]; [primary]
 drawtext=borderw=1:box=1:boxcolor=black at 0.5:bordercolor=black:text='Hello
 world!!!':fontcolor=**white at 0.2**:fontsize=128:fontfile='/WINDOWS/FONTS/Arial.ttf':x=(w-tw)/2:y=h-(2*lh)
 [drawtext]; [drawtext] buffersink

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Ticket URL: <https://trac.ffmpeg.org/ticket/3571>
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