gstreamer Python and cairooverlay

[Tim-Philipp Müller]

On Sun, 2012-12-30 at 19:28 -0800, RoyWiggins wrote:

Hi,

> So, I'm trying to get it to work in GStreamer 1.0, which Jon
> suggested- however, it doesn't seem to have cairooverlay, even though
> I've installed gstreamer1.0-plugins-good from the developers ppa (on
> Ubuntu 12.04), it seems to be there in the source, but
> gst-inspect-overlay0.10 doesn't list cairooverlay, or indeed
> cairo-anything. I poked around the .deb and it does not appear to be
> there but I'm not very familiar with the structure of .deb packages. I
> guess the deb might be slightly out of juncture?

It wasn't ported yet. It's available in git master now, and should be in
the next release as well.


> (Also, gstreamer was complaining about the jack audio server not being
> installed- I installed the package from the Ubuntu main repo and
> started jackd myself and it worked, but it ought to be a dependency
> resolved by the gstreamer package, right?)

"GStreamer was complaining" - where/how?

If you're not usually running jackd, there's no need to run it or even
have it installed. If you're not using pulseaudio, autoaudiosink might
try jacksink next, which might cause some debug spew on the terminal
(from libjack I believe). You can safely ignore that. It should then try
alsa and friends next.

Cheers
 -Tim

> On Sun, Dec 30, 2012 at 2:32 PM, Tim-Philipp Müller-2 [via
> GStreamer-devel] <[hidden email]> wrote:
>         On Sat, 2012-12-29 at 00:36 -0800, RoyWiggins wrote: 
>         
>         Hi Roy, 
>         
>         > Hi gstreamer folks, I'm having this exact problem and
>         haven't found 
>         > remedy elsewhere. I can't say if it's a problem with the
>         python 
>         > gstreamer bindings, or cairooverlay itself, or indeed both,
>         but I 
>         > thought you guys might be able to give me a hand. I'm not
>         averse to 
>         > trying to fix the binding if it needs fixing, but again I'm
>         entirely 
>         > new to delving into python C bindings. 
>         
>         
>         I can't see anything wrong in the cairooverlay element right
>         now, it 
>         passes the right GType when registering the signal, so my
>         guess is that 
>         it's an issue somewhere in/around pygobject. 
>         
>         Or possibly you are just missing the right import statement
>         for the 
>         cairo gobject stuff? 
>         
>         Cheers 
>          -Tim 
>         
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