GNU bug report logs - #54744
[PATCH] Update gstreamer and its families to 1.20.1.

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From: Zhu Zihao <all_but_last <at> 163.com>
To: Liliana Marie Prikler <liliana.prikler <at> ist.tugraz.at>
Cc: 54744 <at> debbugs.gnu.org
Subject: [bug#54744] [PATCH] Update gstreamer and its families to 1.20.1.
Date: Wed, 06 Apr 2022 23:34:29 +0800

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Liliana Marie Prikler <liliana.prikler <at> ist.tugraz.at> writes:

>> I checked the ugly and good and gst-libav, they do rely on
>> gst-plugins-base, but no propagation needed. I don't find a reason
>> that they really requires propagation, because their content just a
>> so file.
>> Gstreamer in Nixpkgs also don't have propagations for above packages.
> I personally found that missing these GstElements at runtime can screw
> you up.  If that is no longer the case, then fair enough, but you need
> to prove that by launching a gst pipeline using a plugin from e.g. gst-
> plugins-good without having gst-plugins-base in your GST paths.

Re-check the source code of good,ugly,gst-libav. It looks that some good
plugins will use gst_element_factory_make to create element in base,
It's reasonable for gst-plugins-good to propagates
gst-plugins-base(propagation of gstreamer is not neeeded, I think)

But for ugly and gst-libav. I don't see such code in their source code.
So It's better to remove their propagated-inputs.

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Zihao

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