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add converter to png for videos

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This commit is contained in:
Uwe Steinmann 2023-02-28 13:09:33 +01:00
parent 258914e884
commit 3d170ad18c
1 changed files with 4 additions and 0 deletions
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doc/README.Converters
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@ -122,3 +122,7 @@ application/csv
application/vnd.wordperfect application/vnd.wordperfect
unoconv -d document -e PageRange=1 -f pdf --stdout -v '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72x72 -sOutputFile=- -dFirstPage=1 -dLastPage=1 -q - | convert -resize %wx png:- 'png:%o' unoconv -d document -e PageRange=1 -f pdf --stdout -v '%f' | gs -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dPDFFitPage -r72x72 -sOutputFile=- -dFirstPage=1 -dLastPage=1 -q - | convert -resize %wx png:- 'png:%o'
video/webm
video/mp4
This will take 12th frame of a video and converts into a png
convert -resize %wx '%f[12]' 'png:%o'