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nanoDBA/Remove-SoundAndStillness.ps1

Last active February 18, 2023 06:05
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FFmpeg Remove video frames without motion and remove audio track
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Remove-SoundAndStillness.ps1
$sourceFrameRate = 10.74
$filename = "C:\Users\kilroy\2023-02-17_17-37-36_boxstarter_2_of_2.mp4"
$newFilename = "$(dir $filename | foreach { Join-Path -Path $_.Directory -ChildPath $_.BaseName })_remove_nonmotion_mute_audio.mp4"
ffmpeg.exe -i "$($filename)" -vf "select=gt(scene\,0.0002),setpts=N/($($sourceFrameRate)*TB)" -an "$($newFilename)"
<# -an remove audio #>
<# -vf "select=gt(scene\,0.001),setpts=N/(<framerategoeshere>*TB)" #>
<# https://superuser.com/questions/984841/ffmpeg-remove-parts-without-motion/1029175#1029175
"The higher the number, the more change between frames is ignored,
in quick testing you might need to go as low as 0.00001-0.00005
depending on the kind of footage you're dealing with." #>
# https://video.stackexchange.com/questions/20229/ffmpeg-trim-filter-renders-the-same-length-output-as-input-with-trimmed-out-fram/20230#20230
# https://www.videoproc.com/resource/ffmpeg-commands.htm
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