[gst-devel] Rendering mjpeg streaming video in the defined alpha channel of a jpeg

[Andres Gonzalez]

  On 27/08/10 18:12, thelenko wrote:
> I did some tweaking and am now at:
>
> gst-launch -v multifilesrc location="crosshair.jpg"
> caps="image/jpeg,framerate=1/1" ! decodebin ! videomixer name=mixer !
> xvimagesink gnomevfssrc
> location=http://ccd1611-403/axis-cgi/mjpg/video.cgi?.mjpg ! decodebin !
> mixer.
>
> This is able to launch without error.  Note that I removed the 'alpha
> method=green' method, so now I simply have a video overlayed on the
> crosshair graphic instead of the video appearing in the defined alpha
> channel of the graphic.
>
Sorry, I don't have any idea about this.
> A secondary problem I am having now is that when using videomixer both my
> video feed and image lose their color and framerate.
>
I had a very similar problem (video losing color in videomixer) a few 
days ago. Are you using Ubuntu? Maybe you want to download the updated 
packages:

https://launchpad.net/~gstreamer-developers/+archive/ppa/+packages?field.name_filter=&field.status_filter=published&field.series_filter=lucid