//-------------kaltura rotator--------
KalturaThumbRotator = {
slices : 16, // number of thumbs per video
frameRate : 500, // frameRate in milliseconds for changing the thumbs
timer : null,
slice : 0,
img : new Image(),
thumbBase : function (o) // extract the base thumb path by removing the slicing parameters
{
var path = o.src;
var pos = path.indexOf("/vid_slice");
if (pos != -1)
path = path.substring(0, pos);
return path;
},
change : function (o, i) // set the Nth thumb, request the next one and set a timer for showing it
{
slice = (i + 1) % this.slices;
var path = this.thumbBase(o);
o.src = path + "/vid_slice/" + i + "/vid_slices/" + this.slices;
this.img.src = path + "/vid_slice/" + slice + "/vid_slices/" + this.slices;
i = i % this.slices;
i++;
this.timer = setTimeout(function () { KalturaThumbRotator.change(o, i) }, this.frameRate);
},
start : function (o) // reset the timer and show the first thumb
{
clearTimeout(this.timer);
var path = this.thumbBase(o);
this.change(o, 1);
},
end : function (o) // reset the timer and restore the base thumb
{
clearTimeout(this.timer);
o.src = this.thumbBase(o);
}
};