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this.getMediaFileWithMaxBitrate = function(streamIndex, maxBitrate) {
		var streamItem = this.playlist[streamIndex];
		var urls = streamItem.urls;
		var resultBitrate = 0;
		var highestBitrate = 2000;
		var lowestBitrate = 800;
		//var resultUrl = urls[0].url;
		var resultUrl = "";
		//v2.1
		// Util.log("##########################getMediaFileWithMaxBitrate ####################");
		// Util.log("take the highest of the bitrate range from"
        //          +lowestBitrate+" to "+highestBitrate+" Mbps else");
		for (var i = 0; i < urls.length; i++) {
			if(urls[i].type == "video/mp4"){
				if (urls[i].bitrate >= lowestBitrate &&
                    urls[i].bitrate <= highestBitrate && urls[i].bitrate > resultBitrate) {
					resultUrl = urls[i].url;
					resultBitrate = urls[i].bitrate;
					// Util.log(">> " + urls[i].bitrate + " " + urls[i].url);
				}
			}
		}
		if (resultUrl == "") {
			// Util.log("If there is no MediaFile with type �video/mp4�" +
			// "within this range ("+lowestBitrate+"-"+highestBitrate+
            //          "Mbps) take the next highest MediaFile");
			for (var i = 0; i < urls.length; i++) {
				if (urls[i].type == "video/mp4") {
					if (urls[i].bitrate > highestBitrate &&
                        (urls[i].bitrate < resultBitrate || resultBitrate == 0)) {
						resultUrl = urls[i].url;
						resultBitrate = urls[i].bitrate;
						// Util.log(">> " + urls[i].bitrate + " " + urls[i].url);
					}
				}
			}
		}
		if (resultUrl == "") {
			// Util.log("If there is no higher MedieFile with type" +
            //          "�video/mp4� take the next lowest MedieFile");
			for (var i = 0; i < urls.length; i++) {
				if(urls[i].type == "video/mp4"){
					if (urls[i].bitrate < lowestBitrate && urls[i].bitrate > resultBitrate) {
						resultUrl = urls[i].url;
						resultBitrate = urls[i].bitrate;
						//Util.log(">> " + urls[i].bitrate + " " + urls[i].url);
					}
				}
			}
		}
		if (resultUrl == "" && urls[0].type == "video/mp4") {
			resultUrl = urls[0].url;
		}
		// Util.log(">>>>>>>>>>>>>> AdController.getMediaFileWithMaxBitrate " +
        //          maxBitrate + " " + resultBitrate + " " + resultUrl);
		return resultUrl;
	};







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