#!/bin/bash

# wrapper script for ffmpeg to act as a raw playback device for pf:
# all video is dumped to stdout

# check args
[ -z "$1" ] && echo "usage: $0 <movie> [<type> <encoding> <width> <height>]" >&2 && exit 1


[ ! -f "$1" ] && echo "$0: \"$1\" not found" >&2 && exit 1

if [ -z "$5" ]; then
    EXTRA=""
else
    EXTRA="-s $4x$5"
fi

# ffmpeg does not seem to have a 'quiet' flag to make it shut up on 
# stderr,this is a workaround
exec 2>/dev/null

# execute ffmpeg
exec ffmpeg -i $1 $EXTRA pipe:.yuv