vaievem.sh

#!/bin/bash

images=0

rm -f *.jpg 

avconv -i ${1} -qscale:v 1 -vcodec mjpeg -qmin 1 -qmax 1 %09d.jpg

for i in $(ls | grep .jpg); do
    let images=images+1
done
#####################################
#Rename images in the opposite order#
#####################################
i=${images}
i=`printf %09d $i`

factor=0
while [ $factor -lt $images ]; do
    new_name=$((images+factor))
    new_name=`printf %09d $new_name`
    cp -v $i.jpg ${new_name}.jpg
    let factor=factor+1
    i=$(echo "$i-1" | bc | xargs printf "%09d")
done

avconv -f image2 -i %09d.jpg -c:v libx264 -preset medium -tune film -profile:v baseline -level 30 -s hd480 $(basename ${1} | awk -F. '{print $1}')_rev.mkv

vaievem?

1) mpv Doctor.Who.2005.S09E11.Heaven.Sent.1080p.WEB-DL.DD5.1.H.264-CtrlHD.mkv -no-audio -ss 3093.1251 -end 3096.885 -o wallpaper.mp4 -profile enc-f-mp4
2) mkdir images ; cd images
3) vaievem.sh ../wallpaper.mp4
4) https://play.google.com/store/apps/details?id=com.ccpcreations.android.VLW