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Revision: 54351
at December 21, 2011 00:10 by adrianparr
Initial Code 
package 
{
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.net.URLLoader;
	import flash.net.URLLoaderDataFormat;
	import flash.net.URLRequest;
	
	public class Main extends Sprite 
	{
		private var _xmlFilename:String = "captions.xml";
		private var _subtitlesXml:XML;
		
		public function Main():void 
		{
			if (stage) init();
			else addEventListener(Event.ADDED_TO_STAGE, init);
		}
		
		private function init(e:Event = null):void 
		{
			removeEventListener(Event.ADDED_TO_STAGE, init);
			var urlLoader:URLLoader = new URLLoader();
			urlLoader.dataFormat = URLLoaderDataFormat.TEXT;
			urlLoader.addEventListener(Event.COMPLETE, onSubtitlesXmlLoadComplete);
			urlLoader.load(new URLRequest(_xmlFilename));
		}
		
		private function onSubtitlesXmlLoadComplete(e:Event):void 
		{
			_subtitlesXml = new XML(e.target.data);
			trace("ORIGINAL TIMEDTEXT XML:\n" + _subtitlesXml.toString());
			var myXmlStr:String = _subtitlesXml.toString();
			var xmlnsPattern:RegExp = new RegExp("xmlns[^\"]*\"[^\"]*\"", "gi");
			myXmlStr = myXmlStr.replace(xmlnsPattern, "");
			myXmlStr = myXmlStr.replace("aaa:lang=\"en\"", "");
			_subtitlesXml = new XML(myXmlStr);
			trace("MODIFIED TIMEDTEXT XML:\n" + _subtitlesXml.toString());

			var numCaptions:int = _subtitlesXml.body.div.p.length();
			trace("numCaptions: " + numCaptions);
		}
		
	}
}


/////////////////////////////////////////////////////////////////////
// captions.xml
/////////////////////////////////////////////////////////////////////
<?xml version="1.0" encoding="UTF-8"?>
<tt xml:lang="en" xmlns="http://www.w3.org/2006/04/ttaf1"  xmlns:tts="http://www.w3.org/2006/04/ttaf1#styling">
  <head>
    <styling>
    </styling>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>


/////////////////////////////////////////////////////////////////////
// OUTPUT
/////////////////////////////////////////////////////////////////////
ORIGINAL TIMEDTEXT XML:
<tt aaa:lang="en" xmlns="http://www.w3.org/2006/04/ttaf1" xmlns:tts="http://www.w3.org/2006/04/ttaf1#styling" xmlns:aaa="http://www.w3.org/XML/1998/namespace">
  <head>
    <styling/>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>
MODIFIED TIMEDTEXT XML:
<tt>
  <head>
    <styling/>
  </head>
  <body>
    <div>
      <p begin="00:00:00.440">Caption 1 here</p>
      <p begin="00:00:08.799">Caption 2 here</p>
    </div>
  </body>
</tt>
numCaptions: 2
Initial URL 

                                

                                                            

                                    

                                        

                                        Initial Description
                                        

                                    

                                    
TimedText (TT) XML captions files can have namespaces that cause problems when parsing them in AS3. To get around this you can use this code to remove the namespace from the root XML node using Regex. This example uses

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
AS3 Parse TimedText (TT) XML Captions File

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    
xml, text

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
ActionScript 3