Backport of "Various fixes to the webrtc-sendrecv python example" into 1.20
requested to merge tpm/gstreamer:backport-mr-1821-into-1.20-update-webrtc-sendrecv-examples into 1.20
Backport of !1821 (merged) "Various fixes to the webrtc-sendrecv python example".
Commits:
- d6799b06 webrtc: Update Makefile for building webrtc-sendrecv
- 4c2fd7f1 webrtc_sendrecv.py: Fix styling errors
- e453e43e webrtc_sendrecv.py: Fix deprecation warning with Python 3.10
- 78f8505b webrtc_sendrecv.py: Fix SSLError when connecting to websocket server
- e9a02a73 webrtc_sendrecv.py: Don't try to set state on a None pipe
- 5ca5a83e webrtc_sendrecv.py: Ensure that gst-python overrides are installed
- 4de365b3 webrtc_sendrecv.py: Sync element props with C version