How verify good/ugly/bad plugin is properly installed in Windows

Angela Yan yanyan9 at
Tue Apr 19 10:04:09 UTC 2022

Thank you so much Nirbheek.

From: Nirbheek Chauhan <nirbheek.chauhan at>
Sent: Tuesday, April 19, 2022 5:14 PM
To: Angela Yan <yanyan9 at>
Cc: Discussion of the development of and with GStreamer <gstreamer-devel at>
Subject: Re: How verify good/ugly/bad plugin is properly installed in Windows

On Tue, Apr 19, 2022 at 2:10 PM Angela Yan <yanyan9 at> wrote:
> Hi Nirbheek,
> Thanks for the prompt response. Currently my system does not have environment variable for GST_REGISTRY, do I need to add them manually?

This is just for debugging purposes. Simply set it in your terminal
and check if you see more plugins in the output.

> In addition, I would like to check how can we know which plugin is for which OS? Eg. I would like to try the uvsc264src plugin, but
> I was told that this plugin is for Linux only and not available in Windows.

That was me :)

> I could not find such information on its documentation page.
> uvch264src - GStreamer
> uvch264src. A camera bin src element that wraps v4l2src and implements UVC H264 Extension Units (XU) to control the H264 encoder in the camera
> That leads me to think that whether my installation has installed all the plugins.

The documentation specifically says "wraps v4l2src". "v4l2" stands for

When in doubt, look at the code:

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