Overlay image and/or text on video

Hi,

I'm very new to this and I'm trying to figure out how to overlay images
and/or text over video.

At first I tried using MediaElement, but I'm having trouble getting it
to play my videos, and I can't figure out how to overlay something else
over it.

Next I tried creating a VideoDrawing and an ImageDrawing and putting
them together in a DrawingGroup. This also doesn't work for me. In
fact, I so far haven't figured out how to get the VideoDrawing to
render.

Does anyone have any suggestions for exploration? I'm not even sure
that this can be done using WPF. Perhaps DirectShow is the only correct
answer.

Thanks!

-Amos

P.S. I've also tried using the windows media player control, but that
doesn't seem to allow overlays with alpha.

Here's a pretty simple example:

<Grid>
<MediaElement Source="c:\\temp\\bliss.avi" />
<Viewbox>
<TextBlock>Text over media element?</TextBlock>
</Viewbox>
</Grid>

But if you are just starting out with WPF you will probably want to run through
the samples & howtos in the SDK documentation.

- Doug

> Hi,
>
> I'm very new to this and I'm trying to figure out how to overlay
> images and/or text over video.
>
> At first I tried using MediaElement, but I'm having trouble getting it
> to play my videos, and I can't figure out how to overlay something
> else over it.
>
> Next I tried creating a VideoDrawing and an ImageDrawing and putting
> them together in a DrawingGroup. This also doesn't work for me. In
> fact, I so far haven't figured out how to get the VideoDrawing to
> render.
>
> Does anyone have any suggestions for exploration? I'm not even sure
> that this can be done using WPF. Perhaps DirectShow is the only
> correct answer.
>
> Thanks!
>
> -Amos
>
> P.S. I've also tried using the windows media player control, but that
> doesn't seem to allow overlays with alpha.
>