[gst-devel] three cameras merged to one display

[Bert Douglas]

Hi Martin,

Thanks much.  Videomixer looks very useful.  I can't believe I didn't see it
before.

Next question:

Is there a plugin to do general image warping using a coordinate map lookup
table?

Thanks,
Bert Douglas

On Sun, Aug 15, 2010 at 9:11 PM, Martin Bisson <martin.bisson at gmail.com>wrote:

> Look into the source of the videomixer plugin.  It takes multiple video
> streams and merges them into one.  It should be a good starting point.
>
> Martin
>
>
> Bert Douglas wrote:
> > Hi All,
> >
> > I am new to gstreamer, but not new to image processing.
> > I seek advice on the best way to merge video streams in gstreamer.
> >
> > At least I am hoping for some indication that my goal is not doomed to
> > failure.
> >
> > There are three cameras, with wide angle lenses, on a post, covering
> > entire 360 degree field of view.
> > The goal is to combine video from three cameras, transform and project
> > it so that it shows in a single window as a unified picture.
> >
> > The question is not how to do the image processing.  I can manage
> > that.  The question is how best to work with gstreamer.
> >
> > The first obvious way (at least to me) is to write a new plugin that
> > has three sink-pads and one source-pad.
> > But I can't find any examples to follow.  And the docs on base
> > transform indicate that it can't handle this situation.
> >
> > You experts probably know another way to do this.
> > Maybe there is already a plugin that can help with this, but I just
> > don't have enough imagination to see it.
> >
> > Is it possible to connect multiple source-pads to a single sink-pad?
> >
> > Thanks much for your patience with a newcomer.
> >
> > --Bert Douglas
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