CameraBin2 -- No joy running the code in /tests/examples/camerabin2

[Thiago Sousa Santos]

On Wed, 2012-05-09 at 14:18 -0700, hte wam wrote:
> Setup - Ubuntu precise - downloaded gst-plugins-bad-0.10.23 tarball
> and built with:
>       ./configure --with-gtk=3.0 --with-default-videosrc=videotestsrc
>  
> I was able to get the non-GTK example working with the following:
>     $ ./gst-camerabin2-test --video-source=videotestsrc --mode=2
> --viewfinder-sink=ximagesink
>         (giving me a brief .mp4 file containing the test pattern along
> with popping up the viewfinder/preview window)
>  
> Problem - ./example/gst-camerabin2 - I want to replicate something
> similar to above but using the GTK example instead.  Not sure what
> video input source the example code uses as a default.  I just want to
> use videotestsrc but see no way to pass in an alternate video source
> or to specify any of the other sources/sinks/caps....  is there an
> assumption on hardware or configuration that I need to have to just
> get this to work "out-of-box"?  It comes up with the GTK menu/overlay
> and the buttons work -- but there is no video preview displayed and
> capture buttons will result in a hang.

Hello

It uses autovideosrc which should pick the default video source from
your system. You can hack the code to pass a hardcoded videotestsrc
easily. Bonus points if you provide a patch that adds a command line
parameter for selecting the video source to use, defaulting to
autovideosrc.

For investigating what's the cause of the hang, I'd need more details
and gstreamer logs (GST_DEBUG logs).

Thanks

--
Thiago

>  
> Thanks
>  
>  
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