[Bug 775495] Deadlock when using shmsrc+decodebin+videomixer

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775495

--- Comment #7 from Olivier Crête <olivier.crete at ocrete.ca> ---
(In reply to Sean-Der from comment #6)
> Right now there is a lock around the pipe so a process can only send/recv
> one at a time, what do you think about have a mutex for reading and then one
> for writing?

No, the reading and writing should be instantenous unless there is something
wrong.

> Also, what purpose does notifying the shmsink about an unref serve? Is there
> anything I could put behind a property that might disable features, but fix
> my case?

So that the shmsink can re-use the memory, the memory can't be re-used at the
sender side before the receiver side is done with it.


Maybe you just need to increase the size of the shared memory area by
increasing the "shm-size" property on shmsink.

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