appsrc/appsink API vs Signals

[Eslam Ahmed]

Noted, Will give it a try on a large scale!

Best Regards,
Eslam



On Tue, Jun 6, 2023 at 9:11 AM Sebastian Dröge <sebastian at centricular.com>
wrote:

> On Mon, 2023-06-05 at 09:27 -0400, Nicolas Dufresne via gstreamer-devel
> wrote:
>
> Le dimanche 04 juin 2023 à 21:29 +0300, Eslam Ahmed via gstreamer-devel a
> écrit :
>
>
> I was wondering if there is a performance difference between using
> appsrc/appsink via their own API (by linking gstreamer-app) or through
> signals, which is more performant in large volumes?
>
>
> There shouldn't be much difference. In all cases, the data is placed into
> the appsrc/sink internal queue (unless when the queue is full were the
> signal get blocked. Performance wise, there is no difference.
>
>
> Performance of GObject signals is actually quite bad. That's also why you
> have to opt-in via a property to get the signals emitted at all.
> Ideally you would use the proper API instead of the signals if performance
> is important. The signals were only provided for compatibility with
> bindings.
>
> --
>
> Sebastian Dröge, Centricular Ltd · https://www.centricular.com
>
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