NetStream.bufferTime

Availability

Flash Player 6.
Flash Communication Server MX 1.0.

Usage

public bufferTime : Number [read-only]

Description

Property (read-only); the number of seconds assigned to the buffer by NetStream.setBufferTime(). The default value is 9. To determine the number of seconds currently in the buffer, use NetStream.bufferLength.

NOTE

The default value for Flash Media Server bufferTime property is different from the default value for the standard ActionScript bufferTime property.

Example

The following example dynamically creates a text field that displays information about the number of seconds that are currently in the buffer. The text field also displays the buffer length that the video is set to, and percentage of the buffer that is filled.

this.createTextField("buffer_txt", this.getNextHighestDepth(), 10, 10, 300, 22);
buffer_txt.html = true;

var connection_nc:NetConnection = new NetConnection();
connection_nc.connect(null);
var stream_ns:NetStream = new NetStream(connection_nc);
stream_ns.setBufferTime(3);
my_video.attachVideo(stream_ns);
stream_ns.play("video1.flv");

var buffer_interval:Number = setInterval(checkBufferTime, 100, stream_ns);
function checkBufferTime(my_ns:NetStream):Void {
    var bufferPct:Number = Math.min(Math.round(my_ns.bufferLength/my_ns.bufferTime 100), 100);
    var output_str:String = "<textformat tabStops='[100,200]'>";
    output_str += "Length: "+my_ns.bufferLength+"\t"+"Time: "+my_ns.bufferTime+"\t"+"Buffer:"+bufferPct+"%";
    output_str += "</textformat>";
    buffer_txt.htmlText = output_str;
}

If your SWF file includes a v2 component (version 2 of the Macromedia Component Architecture), use the DepthManager class from the component framework instead of the MovieClip.getNextHighestDepth() method, which is used in this example.

Comments

Teego said on Apr 28, 2006 at 12:14 PM :

var bufferPct:Number = Math.min(Math.round(my_ns.bufferLength/my_ns.bufferTime 100), 100);

needs to be changed to

var bufferPct:Number = Math.min(Math.round(my_ns.bufferLength/my_ns.bufferTime * 100), 100);

lest we find ourselves rife with syntax errors.

No screen name said on Jul 16, 2008 at 3:27 AM :

The default value should be 0.1

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