[gst-devel] three cameras merged to one display

[Martin Bisson]

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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