[gst-devel] three cameras merged to one display

[Andrey Nechypurenko]

Hi,

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

You can also take a look at this:
http://wiki.oz9aec.net/index.php/Gstreamer_Cheat_Sheet#Video_Wall:_Live_from_Pluto
As I understand it is very close to what you are trying to achieve.

Regards,
Andrey.

>
> 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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