Replace ScriptProcessorNode with AudioWorklet

[bt90]

Is your feature request related to a problem you are facing?
Feature request.

Describe the solution you'd like
Firefox gained support for the AudioWorklet API in 76. It's now supported it in all major browsers except for Safari. Jitsi should use it in order to do the audio processing off the main thread and replace the ScriptProcessorNode which is considered deprecated.

[saghul]

Ping @andrei-gavrilescu

[andrei-gavrilescu]

Awesome, we'll definitely get to that when we have the time.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[bt90]

Ping

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[bt90]

Pong

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[bt90]

Ping

[bt90]

The AudioWorklet API is now widely supported:

https://caniuse.com/mdn-api_audioworklet

[saghul]

A PR would be most welcome.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[bt90]

Ping

[shevchukma]

In the browser console messages like this

[Deprecation] The ScriptProcessorNode is deprecated. Use AudioWorkletNode instead. (https://bit.ly/audio-worklet)
_initializeAudioContext @TrackVADEmitter.js:112