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Re: GStreamer xwidget

From: Po Lu
Subject: Re: GStreamer xwidget
Date: Tue, 30 Nov 2021 12:36:39 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux)

Richard Stallman <rms@gnu.org> writes:

> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
>   > Essentially, it searches for a plugin (an element factory) by a name in
>   > the plugin registry, which is the data structure that tells GStreamer
>   > how to look for plugins.
> What code puts the data into that data stucture?
> Is it done by a function in GStreamer that Emacs calls?
> If so, what is its name, and where does Emacs call it from?

It is initialized by GStreamer when Emacs calls `gst_init'.  The data
structure is private to GStreamer, and as such, its contents are not
guaranteed to be stable.

> Can Emacs study the data structure after it is filled in?
> Could Emacs delete some of the elements (i.e., put some
> plug-ins off limits)?

Unfortunately, I don't think so.


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