Re: Is this possible ?

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.

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.

                                                  -Dave Dodge