#!/bin/bash
## Little helper to convert recordings.
## Requires (in $PATH as timediff): http://paste.maniactwister.de/show/2082

show_usage() {
	printf "Usage: %s <start hh:mm:ss> <end hh:mm:ss> <inputfile>\n" "$0"
}

if [ $# -lt 2 ]; then
	show_usage
	exit 1
fi

if [[ $1 == "-h" || $1 == "--help" ]]
then
	show_usage
	exit 0
fi

start=$1
end=$2
length=$(timediff $start $end)
shift 2

name=$@

echo "Start enconding now"

# Mencoder is too dumb to handle start/endpos correctly, so we use ffmpeg for this.
# Slice file
ffmpeg -vcodec copy -map 0.0 -acodec copy -map 0.1 -ss $start -t $length -i "$name" "tmp-$name"

# Convert file
mencoder "tmp-$name" -o "${name%.*}.mkv" -oac mp3lame -ovc x264 # -ss $start -endpos $length 

# Remove tmp file
rm "tmp-$name"

printf "Finished - Output: %s" "${name%.*}.mkv\n"