#!/bin/sh

AFILES=stills.txt
NAME=2.4_5.0-`date "+%Y-%m-%d"`

for file in *.png
do 
  convert -resize 760x400 $file $file.jpg
done

if [ -e  ${NAME}.mp4 ]; then
  rm ${NAME}.mp4
fi

if [ ! -e $AFILES ]; then
  ls *.jpg | sort -n >$AFILES
  ls *.jpg | sort -n | tail -n1 >>$AFILES
fi

mencoder -nosound -ovc lavc -lavcopts vcodec=mpeg4:aspect=760/400:vbitrate=8000000 -vf scale=760:400 -o ${NAME}.avi -mf type=jpeg:fps=0.5 mf://@$AFILES

ffmpeg -i ${NAME}.avi ${NAME}.mp4
rm ${NAME}.avi