The local audio stream is attached to an audio element that is
always muted. As such, local audio is not being rendered and
the attaching may just not be needed at all.
When do we need tracks?
- Welcome page (only the video track)
- Conference (depends if starting with audio / video muted is requested)
When do we need to destroy the tracks?
- When we are not in a conference and there is no welcome page
In order to accommodate all the above use cases, a new component is introduced:
BlankWelcomePage. Its purpose is to take the place of the welcome page when it
is disabled. When this component is mounted local tracks are destroyed.
Analogously, a video track is created when the (real) welcome page is created,
and all the desired tracks are created then the Conference component is created.
What are desired tracks? These are the tracks we'd like to use for the
conference that is about to happen. By default both audio and video are desired.
It's possible, however, the user requested to start the call with no
video/audio, in which case it's muted in base/media and a track is not created.
The first time the app starts (with the welcome page) it will request permission
for video only, since there is no need for audio in the welcome page. Later,
when a conference is joined permission for audio will be requested when an audio
track is to be created. The audio track is not destroyed when the conference
ends. Yours truly thinks this is not needed since it's a stopped track which is
not using system resources.
Iterate over objects and copy over primitives and arrays
instead of using _.merge, as merge will not replace a config
entry completely. For arrays in a target object, the arrays
will have its indices replaced. This means if a source array
is empty, the target array will be left alone. Similarly,
if the target array is longer than a source array, there
will be indices not touched in the target array.
* ref: video muted state
Get rid of 'videoMuted' flag in conference.js
* ref: audio muted state
Get rid of 'audioMuted' flag in conference.js
* fix(conference.js|API): early audio/video muted updates
* ref(conference.js): rename isVideoMuted
Rename isVideoMuted to isLocalVideoMuted to be consistent with
isLocalAudioMuted.
* doc|style(conference.js): comments and space after if
* ref: move 'setTrackMuted' to functions
* fix(tracks/middleware): no-lonely-if
* ref(features/toolbox): get rid of last argument
* ref(defaultToolbarButtons): rename var
- Remove non-redux paths for hiding and showing remote videos.
- Hook web filmstrip to redux to know when to hide remote videos.
This works, even though VideoLayout is handling RemoteVideo
appending, because react is only monitoring filmstrip's declared
JSX which does not change except for attributes (css classes).