autovideosrc

[Stefan Sauer]

On 02/07/2012 10:05 PM, Luca Della Ghezza wrote:
> Hi to all!
> I'm tryng to write a simple intranet videochat script in bash, it just
> connects 2 pc in a lan trough ssh and using gst-launch the script
> opens the remote cam and shows the image on the local pc. It's quite
> easy using a pipe like this:
>
> gst-launch v4l2src ! videoscale !
> video/x-raw-yuv,width=320,height=240, framerate=30/1 !
> ffmpegcolorspace ! jpegenc ! tcpserversink host=$MyIp port=1000
> (I use tcp because the router filters udp)
>
> That works, but if the remote pc has the cam on a device that is not
> /dev/vide0 the pipe can't shows the image of the web cam. I have to
> specify in the pipe    device=/dev/video1.
> So I tried the autovideosrc option, but no way the pipe is still
> showing the /dev/video0 device, even if in gstreamer-properties the
> video input device defined is the usb web cam.
the settings done in gstreamer-properties would affect gconfvideosource
/gsettingsvideosrc. One more question, is there a /dev/video0? If not
v4l2src could probably be enhanced to try /dev/video1 and so on
automatically.

Stefan

>
> How can I do to obtain an automatic detection of the web cam device in
> the pipe?
>
> Thx a lot for your help.
>
> luquino.
>
>
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