core: Canary Camera Video Stream Not Working

The problem

When using the Canary integration, the camera image thumbnail will load, but the video will not play in the Home Assistant UI or in HomeKit.

Environment

• Home Assistant Core release with the issue: 2021.1.0b2
• Last working Home Assistant Core release (if known): N/A
• Operating environment (OS/Container/Supervised/Core): Docker on 5.4.0-58-generic
• Integration causing this issue: Canary
• Link to integration documentation on our website: https://www.home-assistant.io/integrations/canary/

Problem-relevant configuration.yaml

canary:
  username: !secret canary_username
  password: !secret canary_password

Traceback/Error logs

2021-01-04 16:26:57 ERROR (MainThread) [homeassistant.components.homekit.type_cameras] Camera has no stream source
2021-01-04 16:26:57 ERROR (MainThread) [pyhap.camera] [ae24c0e6-744f-4480-9ea7-acfad45d393d] Failed to start/reconfigure stream, deleting session.
2021-01-04 16:27:07 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:07 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:17 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:17 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:27 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:27 WARNING (MainThread) [homeassistant.util.async_] Detected I/O inside the event loop. This is causing stability issues. Please report issue for canary doing I/O at homeassistant/components/canary/camera.py, line 134: self._live_stream_session.live_stream_url,
2021-01-04 16:27:27 ERROR (MainThread) [homeassistant] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/pyhap/camera.py", line 600, in _stop_stream
    stream_idx = session_info['stream_idx']
TypeError: 'NoneType' object is not subscriptable

Additional information

There is a fairly large delay for the camera thumbnail to update when viewing in the Home Assistant UI even though the UI indicates that it’s fewer than 10 seconds delayed