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doc/filters: remove outdated showwavespic example

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Use "colors" option instead.

Signed-off-by: Lou Logan <lou@lrcd.com>
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Lou Logan 2016-06-07 10:52:15 -08:00
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doc/filters.texi
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@ -16705,14 +16705,6 @@ in a 1024x800 picture using @command{ffmpeg}:
@example
ffmpeg -i audio.flac -lavfi showwavespic=split_channels=1:s=1024x800 waveform.png
@end example
@item
Colorize the waveform with colorchannelmixer. This example will make
the waveform a green color approximately RGB(66,217,150). Additional
channels will be shades of this color.
@example
ffmpeg -i audio.mp3 -filter_complex "showwavespic,colorchannelmixer=rr=66/255:gg=217/255:bb=150/255" waveform.png
@end example
@end itemize
@section spectrumsynth