Hi,
The python bindings automatically take care of any ownership and reference
counting. ex: doing `pipeline = None` essentially removes the reference that
your python variable `pipeline` was holding on the pipeline. Same thing would
happen once that python variable is no longer referenced by anything else.
tdlr; there's no reason to use ref/unref from python code, the bindings take
care of that.
BR,
Edward
On Fri, 2021-01-22 at 16:00 -0500, Alexander Sack wrote:
> Hello all:
>
> Really simple, dumb question:
>
> For all of my pipelines, I shutdown/clean like so:
>
> pipeline.state = Gst.NULL
> pipeline = None
>
> But I just read here:
>
>
https://gstreamer.freedesktop.org/documentation/gstreamer/gstpipeline.html?gi-language=python>
> I should also include a pipeline.unref()? But that yields things like:
>
> (foobar:20365): GStreamer-CRITICAL **: 15:56:51.646: gst_object_unref:
> assertion '((GObject *) object)->ref_count > 0' failed
>
> What is the official/correct way to completely clean-up a pipeline from within
> a Python application? The pipeline is created using parse() (and the pipeline
> has been validated witih gst-launcher-1.0).
>
> Also, if I don't care about EOS can't I just clean up the pipeline without
> handling any bus messages (think a viewer where capturing any flushed out
> frames is immaterial and I just want to close immediately and free all
> resources).
>
> Thanks!
>
> -aps
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