#!/bin/sh

help(){
	cat <<END
Usage: $0 [options] <filename>.[avi|dv|mpg|qt]
Options:
END
	exit 0
}

while getopts h name "$@"
do
	case $name in
*)
	help ;;
	esac
done
let shiftind=$OPTIND-1
shift $shiftind

if test "$#" != "1"
then
	help
fi
case $1 in
*.mpg)
	input="$1"
	base=`echo $input | sed "s/\.mpg$//"` ;;
*.dv)
	input="$1"
	base=`echo $input | sed "s/\.dv$//"` ;;
*.avi)
	input="$1"
	base=`echo $input | sed "s/\.avi$//"` ;;
*.qt)
	input="$1"
	base=`echo $input | sed "s/\.qt$//"` ;;
*)
	help ;;
esac

echo Slow motion $input to ${base}-slow.avi video...

ffmpeg -i $input -f yuv4mpegpipe -pix_fmt yuv411p -y /dev/stdout |
	yuvcorrect -T INTERLACED_BOTTOM_FIRST 2>/dev/null |
	yuvdeinterlace -d |
	yuvcorrect -T PROGRESSIVE 2>/dev/null |
	y4mscaler -v 0 -I sar=NTSC -I active=720x360+0+60 \
		-O sar=NTSC_WIDE -O size=720x480 |
    yuvfps -s 30000:1001 -r 30000:1001 |
	ffmpeg -f yuv4mpegpipe -i /dev/stdin \
		-interlace 0 -vcodec dvvideo \
		-target dv -y ${base}-slow.avi