#!/bin/zsh

# grabs a DV frame and converts to ppm file named $1

dvgrab --format dv2 --frames 1 oneframe
dv2jpg oneframe001.avi oneframe.mjpeg
rm oneframe001.avi
lavtrans -f i -o oneframe.jpg oneframe.mjpeg
djpeg oneframe.jpg > $1
rm oneframe.*