Re: [Vala] How to keep an object alive if it's going out of scope

[Jürg Billeter <j bitron ch>]

On Mon, 2008-06-02 at 10:41 +0200, Juerg Billeter wrote:
> Hi Jaap,
>
> On Mon, June 2, 2008 08:16, Jaap A. Haitsma wrote:
> > I'm working on porting cheese to vala. I'm running into a problem when
> > trying to convert gst-audio-play.c [1] to vala.
> >
> > The gst-audio-play has a function play_file and what it does is the
> > following in semi vala code
> >
> > public static play_file (string filename) {
> >   var audio = new Audio (filename);
> >   audio.play (); // Playing starts in another thread
> >
> >   // In vala audio gets unreffed here, but I want it to be unreffed
> > after it receives an EOS (end of stream) in the other thread
> > }
>
> The proper fix is to use gst_bus_add_watch_full, as far as I can tell from
> the code. When bug 533484[1] has been fixed and the bindings have been
> adapted, this will be completely automatic and should work fine with your
> current Vala code. In the meantime, you can call .ref() and .unref()
> manually at the appropriate places.

The Gst.Bus.add_watch_full binding should now be able to handle the
reference counting without manual .ref() or .unref() calls.

Jürg