Using local build with gstreamer-rs

[Samyak]

Hey,
I've tried setting the GST_PLUGIN_PATH on my project and it started
working. Everything was working fine for a few days. Suddenly, however, I
had some issues (I'm not sure why it suddenly stopped working. Maybe an
update to a system dependency? I'm on rolling release after all). So, I
deleted the local gstreamer-rs dir and cloned it again. I did everything I
did earlier. Now, however it looks like it is trying to load my local
gstreamer plugins but it is failing. I'm getting warnings like the
following when running Cargo run:

Failed to load plugin
'/home/<username>/gstreamer-build/gst-build/builddir/subprojects/gst-plugins-bad/gst/rawparse/libgstlegacyrawparse.so':
/home/samyak/gstreamer-build/gst-build/builddir/subprojects/gst-plugins-bad/gst/rawparse/../../../gst-plugins-base/gst-libs/gst/video/libgstvideo-1.0.so.0:
undefined symbol: gst_shared_task_pool_get_max_threads

Failed to load plugin
'/home/<username>/gstreamer-build/gst-build/builddir/subprojects/gst-plugins-bad/gst/asfmux/libgstasfmux.so':
/home/samyak/gstreamer-build/gst-build/builddir/subprojects/gst-plugins-bad/gst/asfmux/../../../gst-plugins-base/gst-libs/gst/rtp/libgstrtp-1.0.so.0:
undefined symbol: gst_event_set_gap_flags

and so on for all the plugins.

The GST logs don't seem to help since it is loading v18 because it failed
to load the local installation.

Is this something you are able to reproduce? Let me know if there's any
more debug info I can provide. If that's not possible, let me know if
there's a definitive guide to steps I should take to run gstreamer-rs with
my local gst-build (maybe I missed a step?). Since running devenv on
gst-build still works, the problem doesn't seem to lie with the local
binaries.

Thanks!

On Fri, Jun 25, 2021 at 5:09 PM Samyak <samtan106 at gmail.com> wrote:

> Do we have any guide on how to setup gstreamer-rs with a local gstreamer
> build for linux? I tried following
> https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/blob/master/DEVELOPMENT.md
> but it did not have certain steps like setting up PKG_PATH. I want to know
> if I'm missing any step.
>
> Thanks!
>
> On Fri, Jun 25, 2021 at 4:23 PM Sebastian Dröge <sebastian at centricular.com>
> wrote:
>
>> On Fri, 2021-06-25 at 15:52 +0530, Samyak via gstreamer-devel wrote:
>>
>> Hi,
>> Thanks for the response.
>> I tried with GST_DEBUG=6, and based on the logs it looks like gstreamer
>> itself is being loaded with 1.19 which is the correct version. However, the
>> plugins are being loaded from the global installation which are at 1.18. I
>> have all the plugins compiled for 1.19 in gst-build. How do I get
>> gstreamer-rs to point to those instead of the global installation?
>>
>>
>> That sounds like your installation is kind of broken. You can use
>> GST_PLUGIN_PATH and GST_PLUGIN_SYSTEM_PATH to override the search paths
>> used by the GStreamer registry but that shouldn't necessary.
>>
>> --
>>
>> Sebastian Dröge, Centricular Ltd · https://www.centricular.com
>> <http://www.centricular.com>
>>
>>
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