<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I am still not sure why the example device provider does not work.</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I tried an own build similar to V4L2DeviceProvider. That works and is recognized.</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> It has problems with the probe function when using gst-device-monitor.</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Not sure what to do about that as device_added is correctly triggered.<br> </div> <div id="appendonsend"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gstreamer-devel <gstreamer-devel-bounces@lists.freedesktop.org> on behalf of Nicolas Dufresne <nicolas@ndufresne.ca><br> <b>Sent:</b> Wednesday, February 24, 2021 16:29<br> <b>To:</b> Discussion of the development of and with GStreamer <gstreamer-devel@lists.freedesktop.org><br> <b>Subject:</b> Re: Device Provider not found</font> <div> </div> </div> <div> <div dir="auto"> <div><br> <br> <div class="x_gmail_quote"> <div dir="ltr" class="x_gmail_attr">Le mer. 24 févr. 2021 02 h 00, Edgar Thier <<a href="mailto:edgar.thier@theimagingsource.com" target="_blank" rel="noreferrer">edgar.thier@theimagingsource.com</a>> a écrit :<br> </div> <blockquote class="x_gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex"> <div dir="ltr"> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> The GST_PLUGIN_PATH_1_0 should not be the problem. Other elements in the same folder are found...<br> </div> </div> </blockquote> </div> </div> <div dir="auto"><br> </div> <div dir="auto">Let's check the basic, does you plugin filename properly matches your plugin name ?</div> <div dir="auto"><br> </div> <div dir="auto"> <div class="x_gmail_quote"> <blockquote class="x_gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex"> <div dir="ltr"> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> </div> <div id="x_m_-7094577667209179307m_-2213279199791733516appendonsend"></div> <hr style="display:inline-block; width:98%"> <div id="x_m_-7094577667209179307m_-2213279199791733516divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> gstreamer-devel <<a href="mailto:gstreamer-devel-bounces@lists.freedesktop.org" rel="noreferrer noreferrer" target="_blank">gstreamer-devel-bounces@lists.freedesktop.org</a>> on behalf of Nicolas Dufresne <<a href="mailto:nicolas@ndufresne.ca" rel="noreferrer noreferrer" target="_blank">nicolas@ndufresne.ca</a>><br> <b>Sent:</b> Tuesday, February 23, 2021 17:51<br> <b>To:</b> Discussion of the development of and with GStreamer <<a href="mailto:gstreamer-devel@lists.freedesktop.org" rel="noreferrer noreferrer" target="_blank">gstreamer-devel@lists.freedesktop.org</a>><br> <b>Subject:</b> Re: Device Provider not found</font> <div> </div> </div> <div><font size="2"><span style="font-size:11pt"> <div>Please ignored, I have totally miss-read this email.<br> <br> Your built provider might not be in the plugins path.<br> <br> Le mardi 23 février 2021 à 11:49 -0500, Nicolas Dufresne a écrit :<br> > Le mardi 23 février 2021 à 14:22 +0000, Edgar Thier a écrit :<br> > > Hi,<br> > > <br> > > When compiling the example device provider I am unable to receive messages<br> > > concerning any non v4l2 devices.<br> > > In fact the exampledeviceprovider is not even loaded according to debug<br> > > output.<br> > <br> > You are likely missing libgudev, which the provider depends on. When you build<br> > gst-plugins-good, you can pass -Dv4l2-gudev=enabled to ensure the build will<br> > fail if that dependency is missing.<br> > <br> > > <br> > > Source for exampledeviceprovider:<br> > > <a href="https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/blob/master/tests/examples/device-provider/example-device-provider.c" rel="noreferrer noreferrer" target="_blank"> https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/blob/master/tests/examples/device-provider/example-device-provider.c</a><br> > > <br> > > Cut output when running tests with `--gst-debug-level=4`. These are the only<br> > > provider loaded.<br> > > <br> > > 0:00:00.023405484 54897 0x55cb43d0d6c0 INFO GST_PLUGIN_LOADING<br> > > gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin<br> > > "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstdecklink.so" loaded<br> > > 0:00:00.023421645 54897 0x55cb43d0d6c0 INFO GST_DEVICE_PROVIDER_FACTORY<br> > > gstdeviceproviderfactory.c:271:gst_device_provider_factory_get: getting<br> > > device<br> > > provider "decklinkdeviceprovider"<br> > > 0:00:00.025626598 54897 0x55cb43d0d6c0 INFO GST_PLUGIN_LOADING<br> > > gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin<br> > > "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideo4linux2.so" loaded<br> > > 0:00:00.025642919 54897 0x55cb43d0d6c0 INFO GST_DEVICE_PROVIDER_FACTORY<br> > > gstdeviceproviderfactory.c:271:gst_device_provider_factory_get: getting<br> > > device<br> > > provider "v4l2deviceprovider"<br> > > <br> > > System is a Debian testing with GStreamer 1.18.3.<br> > > <br> > > Are there any additional ways to get information as to why my custom<br> > > provider<br> > > is not used?<br> > > <br> > > -Edgar<br> > > _______________________________________________<br> > > gstreamer-devel mailing list<br> > > <a href="mailto:gstreamer-devel@lists.freedesktop.org" rel="noreferrer noreferrer" target="_blank"> gstreamer-devel@lists.freedesktop.org</a><br> > > <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank"> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br> > <br> > <br> <br> <br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.freedesktop.org" rel="noreferrer noreferrer" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br> </div> </span></font></div> </div> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.freedesktop.org" rel="noreferrer noreferrer" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br> </blockquote> </div> </div> </div> </div> </body> </html>