[FFmpeg-trac] #6790(avfilter:open): Pan filter outputs silence when used without channel layout
FFmpeg
trac at avcodec.org
Wed Feb 14 17:38:50 EET 2018
#6790: Pan filter outputs silence when used without channel layout
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Reporter: t.rapp | Owner:
Type: defect | Status: open
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by t.rapp):
Similar problem occurs when output channel layout is defined but input
channel layout is undefined:
{{{
% ./ffmpeg -guess_layout_max 0 -i tests/data/asynth-44100-2.wav -f wav
-filter:a "pan=mono|c0=c0+c1" -y ../temp/ffmpeg-pan-test02.wav -loglevel
repeat+verbose)
}}}
Also in this case the pan filter outputs silence instead of actual data.
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Ticket URL: <https://trac.ffmpeg.org/ticket/6790#comment:2>
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