> > My suggestion is, considering that the Canvas element can be used for > > 
> > offscreen rendering etc shouldn't it be allowed it create an object of such 
> > > > from within Worker like we can do with Image? > > > It's been wanted 
> > for a while, but there's a lot of work needed to make it > possible, so it 
> > probably won't happen soon. > If you only need to analyze the pixels of 
> > video data, however, you can > render the video frame to a canvas, call 
> > canvas.getImageData(), and send > the Uint8ClampedArray of the result to 
> > the worker. You can't use Canvas > drawing features this way, but if you 
> > only need to examine pixels, this > works. This might work. although i was 
> > hoping to avoid the bottle neck of the single thread in the main page. 
> > Thanks Glen

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