[gst-devel] Videomixing two/multiple webcams side by side

[Martin Bisson]

This question is a bit unrelated to this thread, and I'm new to 
GStreamer, but what does queue actually do?  Why is it needed in that case?

Thanks,

Martin


Kapil Agrawal wrote:
> In your videobox add border-alpha=0 property , also use queue before 
> videomixer input of both cameras.
>
> for eg.
>
> gst-launch-0.10 v4l2src0 ! video/x-raw-yuv,width=320,height=240 ! 
> videobox left=-320 border-alpha=0 ! queue ! videomixer name=mix ! 
> ffmpegcolorspace ! xvimagesink  v4l2src1 ! 
> video/x-raw-yuv,width=320,height=240 ! queue ! mix.
>
> best luck
> Kapil
>
> On Sat, May 15, 2010 at 12:37 AM, scottmil <scottmil at gmail.com 
> <mailto:scottmil at gmail.com>> wrote:
>
>
>     UPDATE:
>
>     I've made some progress.  I can get a "wider view" screen and it loads
>     without crashing but only one camera is shown, though both are
>     running.  So
>     I assume one is being displayed under the other, but I cant seem
>     to get one
>     on one side and one on the other.
>
>     here is the command i'm using:
>
>     gst-launch v4l2src device=/dev/video0 ! videobox right=-640 !
>     video/x-raw-yuv! videomixer name=mix ! ffmpegcolorspace ! xvimagesink
>     sync=false v4l2src device=/dev/video1 ! queue ! video/x-raw-yuv!
>     mix. mix.
>
>     --
>     View this message in context:
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>     Sent from the GStreamer-devel mailing list archive at Nabble.com.
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> -- 
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