mirror/thumbnail.sh
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Thunbnail of whole Video

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Findus23 2015-11-16 17:39:53 +01:00
parent 2bd5241c62
commit 773f614b89
1 changed files with 3 additions and 2 deletions
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thumbnail.sh
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@ -43,10 +43,11 @@ then
if [ "$setting" -gt "${duration%.*}" ]
then
echo "$(tput setaf 1)video is shorter than $setting seconds$(tput sgr0)"
exit 1
LC_NUMERIC=C setting=$( printf "%.0f" $duration )
echo "$(tput setaf 2)generating thumbnails from full video ($setting seconds)$(tput sgr0)"
fi
frames=$((${tile/"x"/"*"})) # 3x3 -> 3*3
sec_between=$(python3 -c "print($setting/$frames)")
sec_between=$(python3 -c "print(int(round($setting/$frames)))")
echo $sec_between
< /dev/null ffmpeg -y -i $inputfile -vsync 0 -vf "fps=1/$sec_between,tile=$tile" -frames:v 1 $outputfile
# alternativ: select every x frame https://ffmpeg.org/ffmpeg-filters.html#select_002c-aselect