Re: Is this possible ?

--- Dave Dodge <[email protected]> wrote:
> On Tue, Jun 15, 2004 at 07:28:15AM -0700, David Ondzes wrote:
> > Is it possible to send video into the roku (say via component) and
> then
> > overlay a portion of the screen ?
> 
> If you mean you want to overlay something onto the analog video
> input,
> then I don't believe there's any way to do that.  From previous
> discussions it appears that the video passthrough is just a simple
> analog wiring switch: when the passthrough is enabled the video
> bypasses the CPU and most other processing hardware.  There's a
> simple
> detection circuit that tests for motion in the analog input, but I
> don't think there's any way to actually capture the analog video for
> processing, scaling, overlay, etc.

I had a feeling that was the case but I couldn't connect to the
archives to confirm. 

> Now, if you want to overlay something onto a _digital_ video stream,
> such as an MPEG transport stream being fed from a file server, then
> that should be possible from a technical standpoint.  I don't know if
> the Cascade API currently enables this, though.

There an idea. I wonder if vlc can read TS file as it is being written
so I could do this with live tv. I guess it times to start looking at
the Cascade APIs, I was holding out for jvm :) If anyone know what APIs
to please let me know.