Problems running examples compiled with Developer Studio 2019 Tools

[Bob Mackin]

I am using GStreamer 1.18.6 on MS Windows professional 10, version 21H2

..>gst-launch-1.0 --version
gst-launch-1.0 version 1.18.6
GStreamer 1.18.6

I've been running into repeated problems running gstreamer applications based on examples in the source tree. I checked out a copy of the source tree at this version, and successfully built it. I discovered that I'm encountering the same problems on the examples built with the source tree.

For example, a few days ago I submitted this, related to the C# binding:
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1427

The example and the code I wrote based on this example crash in exactly the same way, in the same sport

Yesterday I was trying to work with gst-rtsp-server, based on the test-mp4.c example. The program ran, accepted connections, but VLC couldn't connect. Port 8554 is accepting connections and I see the logs indicate something is happening, but vlc times out.

Then I  tried test-mp4.c exactly as built, and it had the same problem. Logs at DEBUG=3 look like this in both cases:
0:00:30.149154000  2204 000002ACF229F440 WARN               rtspmedia rtsp-media.c:3576:wait_preroll: failed to preroll pipeline
0:00:30.149928000  2204 000002ACF229F440 WARN               rtspmedia rtsp-media.c:3946:gst_rtsp_media_prepare: failed to preroll pipeline
0:00:30.151523000  2204 000002ACF229F440 ERROR                GST_BUS gstbus.c:1087:gst_bus_remove_watch:<bus2> no bus watch was present
0:00:30.151906000  2204 000002ACF229F440 ERROR             rtspclient rtsp-client.c:1087:find_media: client 000002ACF22A5170: can't prepare media
0:00:30.152698000  2204 000002ACF229F440 ERROR             rtspclient rtsp-client.c:3366:handle_describe_request: client 000002ACF22A5170: no media

I tried other examples under rtsp server. Some worked, others  didn't.

Are the MS Visual Studio build tools supported? The error messages are opaque to me, and I'm using example code unmodified, so I don't even know how to begin getting past this. I've had success in the past on Ubuntu, where everything just works.

Thanks
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