[FFmpeg-trac] #7093(undetermined:new): Incorrect colors in showwaves filter

[FFmpeg]

#7093: Incorrect colors in showwaves filter
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             Reporter:  nanook21      |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  3.2.4
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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 Summary of the bug:

 When using the showwaves filter with a specified color, there are parts of
 the waveform that are gray instead of respecting the color value. This can
 be seen in this screenshot here:

 http://hostonfiber.com/screenshot_430.png


 How to reproduce:
 {{{
 % ffmpeg -y -i https://post.futurimedia.com/cknopost/playlist/dl/1.aac -i
 https://s3.amazonaws.com/jpbg-public/audiogram-now-rachel-
 jointheconversation.jpg -filter_complex
 '[0:a]aformat=sample_fmts=s16:sample_rates=4410:channel_layouts=mono,compand,showwaves=size=260x160:mode=cline:rate=10:colors=#68b847[fg];[1:v][fg]overlay=60:150,format=yuv420p[v]'
 -map "[v]" -map 0:a -c:v libx264 -r 10 -c:a copy -r 10 -f mp4 -movflags
 +faststart test.mp4

 ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
 built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4.2 --enable-shared
 --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-
 avresample --cc=clang --host-cflags= --host-ldflags= --disable-jack
 --enable-gpl --enable-libfreetype --enable-libmp3lame --enable-libx264
 --enable-libx265 --enable-libxvid --enable-opencl --enable-videotoolbox
 --disable-lzma
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7093>
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