358 	 */

   358 	 */

   359 	public function parseAPEheaderFooter($APEheaderFooterData) {

   359 	public function parseAPEheaderFooter($APEheaderFooterData) {

   360 		// http://www.uni-jena.de/~pfk/mpp/sv8/apeheader.html

   360 		// http://www.uni-jena.de/~pfk/mpp/sv8/apeheader.html

   361 

   361 

   362 		// shortcut

   362 		// shortcut

   363 		$headerfooterinfo['raw'] = array();

   364 		$headerfooterinfo['raw'] = array();

   364 		$headerfooterinfo_raw = &$headerfooterinfo['raw'];

   365 		$headerfooterinfo_raw = &$headerfooterinfo['raw'];

   365 

   366 

   366 		$headerfooterinfo_raw['footer_tag']   =                  substr($APEheaderFooterData,  0, 8);

   367 		$headerfooterinfo_raw['footer_tag']   =                  substr($APEheaderFooterData,  0, 8);

   367 		if ($headerfooterinfo_raw['footer_tag'] != 'APETAGEX') {

   368 		if ($headerfooterinfo_raw['footer_tag'] != 'APETAGEX') {

   387 	 */

   388 	 */

   388 	public function parseAPEtagFlags($rawflagint) {

   389 	public function parseAPEtagFlags($rawflagint) {

   389 		// "Note: APE Tags 1.0 do not use any of the APE Tag flags.

   390 		// "Note: APE Tags 1.0 do not use any of the APE Tag flags.

   390 		// All are set to zero on creation and ignored on reading."

   391 		// All are set to zero on creation and ignored on reading."

   391 		// http://wiki.hydrogenaud.io/index.php?title=Ape_Tags_Flags

   392 		// http://wiki.hydrogenaud.io/index.php?title=Ape_Tags_Flags

   392 		$flags['header']            = (bool) ($rawflagint & 0x80000000);

   394 		$flags['header']            = (bool) ($rawflagint & 0x80000000);

   393 		$flags['footer']            = (bool) ($rawflagint & 0x40000000);

   395 		$flags['footer']            = (bool) ($rawflagint & 0x40000000);

   394 		$flags['this_is_header']    = (bool) ($rawflagint & 0x20000000);

   396 		$flags['this_is_header']    = (bool) ($rawflagint & 0x20000000);

   395 		$flags['item_contents_raw'] =        ($rawflagint & 0x00000006) >> 1;

   397 		$flags['item_contents_raw'] =        ($rawflagint & 0x00000006) >> 1;

   396 		$flags['read_only']         = (bool) ($rawflagint & 0x00000001);

   398 		$flags['read_only']         = (bool) ($rawflagint & 0x00000001);