getid3_asf::WMpictureTypeLookup

	 *
	 * @return string
	 */
	public static function WMpictureTypeLookup($WMpictureType) {
		static $lookup = null;
		if ($lookup === null) {
			$lookup = array(
				0x03 => 'Front Cover',
				0x04 => 'Back Cover',
				0x00 => 'User Defined',
				0x05 => 'Leaflet Page',
				0x06 => 'Media Label',
				0x07 => 'Lead Artist',
				0x08 => 'Artist',
				0x09 => 'Conductor',
				0x0A => 'Band',
				0x0B => 'Composer',
				0x0C => 'Lyricist',
				0x0D => 'Recording Location',
				0x0E => 'During Recording',
				0x0F => 'During Performance',
				0x10 => 'Video Screen Capture',
				0x12 => 'Illustration',
				0x13 => 'Band Logotype',
				0x14 => 'Publisher Logotype'
			);
			$lookup = array_map(function($str) {
				return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
			}, $lookup);
		}