* Handle an edge in layer lock.
A very edge case
- Available layer: [0, 1, 2], but bitrate is not yet available.
We set it to layer 2 awaiting measurement.
- Measurement for layers 0 and 1 come through.
- Still no key frame for layer 2.
- Finalize layers runs and sees that bitrate is available for 0 and 1.
It finalizes layer 1.
- Layer 1 key frame comes (because we asked key frame of layer 2,
publisher sends key frame for all layers). Locks to layer 1.
- No more events happen to switch to layer 2.
Changes
-------
- Move bit rate measurement to StreamTrackerManager. Allows re-use
in relay.
- Make bit rate availability (from zero -> non-zero) an event
and let it flow through the stream allocation flow so that we
always have an event when bit rate measurement becomes available.
This gets rid of finalization which I was unhappy with it anyway as
it was polling every second.
- Removing REMB stuff from buffer. We do not use it.
It is incorrect anyway. REMB should be ay peer connection level.
* Fix test
* fix test
* Simplify allocate
* Simplify/clean up
* feat: unpublish tracks after publish permissions are revoked.
Uses protocol 7 to indicate client support, otherwise it attempts to
mute the tracks.
Also sends back permissions objects of all participants, and cleaned up
our handling of various permissions attributes.
* fix static check
* Telemetry and webhook improvements.
* avoid blocking on telemetry channel - increase channel size and drop when full
* send ParticipantJoined webhook when fully joined (i.e. on ParticipantActive)
* send TrackPublished & TrackUnpublished webhooks
* increase number of parallel webhook workers to 50
* update protocol
This still does not address root cause of large loss, but at least
does not display crazy thing like packets = 0, but packet rate is 45/s.
Also, RLock in ToString() as there are bits of structure used in
stringification.
* fix keyFrameRequestGeneration not exit after close
* change to bound check
* Refactor stop key frame requester into a function
* Remove redundant key frame requester stop
Co-authored-by: boks1971 <raja.gobi@tutanota.com>
* Key frames
- Keep track of key frame stats
- Split out PLI from down track used for purpose of layer locking.
This will give us a good picture of down stream issues forcing a PLI.
- Use key frame requester whenever there is a layer lock required.
Not just the first key frame. With the synchronous thing, the counter
was just ridiculously high like 150 or something because of all
the initial padding packets. Also, use RTT in key frame requester.
* send first PLI before waiting
* Turn off key frame requester when disabled
* simplify
