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mzgoddard/awebp.sh

Created August 20, 2014 16:44
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  1. mzgoddard created this gist Aug 20, 2014.
    19 changes: 19 additions & 0 deletions awebp.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,19 @@
    #!/bin/zsh
    movieInput=$1
    tmpFolder=$2
    outName=$3

    mkdir -p $tmpFolder
    ffmpeg -i $movieInput $tmpFolder/%03d.png

    for i in `ls $tmpFolder`; do
    j=`echo $i | sed s/\.png/.webp/`
    cwebp $tmpFolder/$i -o $tmpFolder/$j
    done

    webpmux `for i in \`ls $tmpFolder/*.webp\`; do echo -n "-frame $i +33+0+0+1+b "; done` `echo -n $4` -o $outName

    # To cheat a none looping animation, add the last frame again with a really
    # long timeout. A slightly higher value can be given then below but the below
    # value is already more than 2 days.
    # -frame last-frame.webp +9999999+0+0+1+b