[Bug 762552] Crash on repeated pipeline, bus and signal watch creation

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=762552

Thiago Sousa Santos <thiagossantos at gmail.com> changed:

           What    |Removed                     |Added
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 Attachment #322244|0                           |1
        is obsolete|                            |

--- Comment #14 from Thiago Sousa Santos <thiagossantos at gmail.com> ---
Created attachment 322367
  --> https://bugzilla.gnome.org/attachment.cgi?id=322367&action=edit
bus: change GstBusSource to hold a weak ref to GstBus

Updated to not destroy the GSource.

I think this will be racy if the mainloop is still running, the bus
can be freed while the _dispatch() is called and it will lead to
crashes.

IMHO if we are enforcing the application to unref its GSource then
it is better to let the GSource keep a regular ref. Having a leak
is better than causing crashes.

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