[FFmpeg-user] Use concat filter with a fade

Cecil Westerhof Cecil at decebal.nl
Tue Jun 14 14:47:45 EEST 2022

Sometimes I have to cut parts out of a video. I now use for this (bash on Debian):
    ffmpeg -y                                                \
           -ss ${videoStart} -to ${cutStart} -i ${inputFile} \
           -ss ${cutEnd}     -to ${videoEnd} -i ${inputFile} \
           -vcodec         libx264                           \
           -crf            26                                \
           -acodec         libmp3lame -qscale:a 9            \
           -preset         veryfast                          \
           -lavfi "concat=n=2:v=1:a=1"                       \
           -an ${outputFile}

But the cut from one part to another is a bit abrupt. Is there a
possibility to smooth it with something like a fade?

Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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