bytesLoaded (NetStream.bytesLoaded property) -- Flash CS3

The number of bytes of data that have been loaded into the player. You can use this method in conjunction with NetStream.bytesTotal to estimate how close the buffer is to being full--for example, to display feedback to a user who is waiting for data to be loaded into the buffer.

Example

The following example creates a progress bar using the Drawing API and the bytesLoaded and bytesTotal properties that displays the loading progress of video1.flv into the video object instance called my_video. A text field called loaded_txt is dynamically created to display information about the loading progress as well.

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

this.createTextField("loaded_txt", this.getNextHighestDepth(), 10, 10, 160, 22);
this.createEmptyMovieClip("progressBar_mc", this.getNextHighestDepth());
progressBar_mc.createEmptyMovieClip("bar_mc", progressBar_mc.getNextHighestDepth());
with (progressBar_mc.bar_mc) {
    beginFill(0xFF0000);
    moveTo(0, 0);
    lineTo(100, 0);
    lineTo(100, 10);
    lineTo(0, 10);
    lineTo(0, 0);
    endFill();
    _xscale = 0;
}
progressBar_mc.createEmptyMovieClip("stroke_mc", progressBar_mc.getNextHighestDepth());
with (progressBar_mc.stroke_mc) {
    lineStyle(0, 0x000000);
    moveTo(0, 0);
    lineTo(100, 0);
    lineTo(100, 10);
    lineTo(0, 10);
    lineTo(0, 0);
}

var loaded_interval:Number = setInterval(checkBytesLoaded, 500, stream_ns);
function checkBytesLoaded(my_ns:NetStream) {
    var pctLoaded:Number = Math.round(my_ns.bytesLoaded/my_ns.bytesTotal*100);
    loaded_txt.text = Math.round(my_ns.bytesLoaded/1000)+" of "+Math.round(my_ns.bytesTotal/1000)+" KB loaded ("+pctLoaded+"%)";
    progressBar_mc.bar_mc._xscale = pctLoaded;
    if (pctLoaded>=100) {
    clearInterval(loaded_interval);
    }
}

If your SWF file includes a version 2 component, use the version 2 components' DepthManager class instead of the MovieClip.getNextHighestDepth() method, which is used in this example.

bytesLoaded (NetStream.bytesLoaded property)

Example

See also