function Convert-Files {
	param (
		[system.io.directoryinfo]$Path,
		[system.io.fileinfo]$Ffmpeg
	)
	$files = gci $Path.fullname -filter *.mkv
	foreach ( $file in $files ) {
		$outputFile = $file.directoryname + "\" + $file.basename + "_%03d.mp4"
		& $ffmpeg -i $file.fullname -map 0:v -map 0:a -c copy -f segment -segment_time 900 -reset_timestamps 1 $outputFile
	}
}