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

Kapil Agrawal kapil.agl at gmail.com
Sat May 22 07:19:11 CEST 2010


Scott,

Dont use sync=false , also I dont think there is any need of adding extra
mix.  , its of no use.

If this doesnt work please run the pipeline with GST_DEBUG=*:2 and attach
logs for better understanding of issue.

best
Kapil

On Sat, May 22, 2010 at 2:44 AM, scottmil <scottmil at gmail.com> wrote:

>
> Kapil,
>
> Thanks for the reply!  Unfortunately this still doesn't display both camera
> feeds.  I'm not getting a green blank area instead of a black one.  I
> assume
> this is from the border-alpha setting.  I also had to add an extra mix. at
> the end.  My command is:
>
> gst-launch-0.10 v4l2src device=/dev/video0 !
> video/x-raw-yuv,width=320,height=240 ! videobox left=-320 border-alpha=0 !
> queue ! videomixer name=mix ! ffmpegcolorspace ! xvimagesink sync=false
> v4l2src device=/dev/video1 ! video/x-raw-yuv,width=320,height=240 ! queue !
> mix. mix.
>
> Which produces this:
>
> http://n4.nabble.com/file/n2226729/Screenshot.png
>
> The actual video is from /dev/video0.  And I see nothing from /dev/video1.
> However the LED indicator on the camera turns on so the feed is getting
> pulled. Just not displayed.
>
> Scott
> --
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> Sent from the GStreamer-devel mailing list archive at Nabble.com.
>
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