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151 Commits

Author SHA1 Message Date
Juliusz Chroboczek b527c8757a Add chathistory message. 2021-07-31 14:42:26 +02:00
Juliusz Chroboczek 97a5bf60ad Send the locked user-friendly message in the group status. 2021-07-30 19:44:39 +02:00
Juliusz Chroboczek 3b98e123e0 Send a message of kind "kicked" instead of "error". 2021-07-30 19:38:02 +02:00
Juliusz Chroboczek a5c97fd849 Add System permission. 
This replaces the OverridePermissions method, and is communicated
to clients that can reliably and safely identify a system user.
 2021-07-30 19:26:34 +02:00
Juliusz Chroboczek a8dfc32f9e Fix keyframe tests. 
The keyframe detection has been moved into codecs.
 2021-07-30 15:26:21 +02:00
Juliusz Chroboczek 89780b866b Move packet parsing code into its own package. 2021-07-29 21:30:39 +02:00
Juliusz Chroboczek 6388f16e87 Fix typos in infinite action stream implementation. 
This fixes issues introduced in commit 6ae79f.
 2021-07-17 00:05:55 +02:00
Juliusz Chroboczek 52a26327d7 Implement group status. 
We now inform clients of the status of a group (locked, etc.).  Also
cleans up the handling of administrative messages, which solves the
issue of receiving "user" before "joined".
 2021-07-16 19:51:54 +02:00
Juliusz Chroboczek 6ae79f21d6 Use unbounded buffer for track actions. 
Without that, we might deadlock if the reader is blocked in read.
 2021-07-16 03:03:45 +02:00
Juliusz Chroboczek c540cad994 Move pushClientConnection into its own function. 2021-07-16 01:40:42 +02:00
Juliusz Chroboczek 053067548a Ensure that replaced down tracks are closed even on failure. 
Thanks to Ludovic Rateau.
 2021-07-15 23:52:03 +02:00
Juliusz Chroboczek 9b8d868647 Fix a race between delUpConn and addLocal. 
We could call addLocal after the remote was closed, which
would cause the local connection to remain forever.

Thanks to Ludovic Rateau.
 2021-07-15 16:03:06 +02:00
Juliusz Chroboczek 3d2089f40f Merge GetRTP and Nack into GetPacket. 
The two function were always called together.  This factors out
the NACKing logic into the track.
 2021-07-14 14:22:22 +02:00
Juliusz Chroboczek 36d31f0db8 Maintain a reference to the connection associated to each track. 
This avoids carrying an extra parameter in many places.
 2021-07-14 14:05:23 +02:00
Juliusz Chroboczek f3b73263c8 Fix handling of NACKed packets when dropping. 
We were not rewriting in this case.
 2021-05-17 20:06:08 +02:00
Juliusz Chroboczek 22585e9d10 Handle spatial scalability. 
Maintain spatial layer information, and drop lower layers when
possible.  Yields a 20% saving with VP9.
 2021-05-17 18:17:43 +02:00
Juliusz Chroboczek 91fa693709 Display max layer in stats. 2021-05-17 13:51:29 +02:00
Juliusz Chroboczek fd76abb61d Send up actions synchronously. 2021-05-17 03:54:58 +02:00
Juliusz Chroboczek c00a21995e Move PLI rate-limiting into the reader loop. 2021-05-17 03:54:20 +02:00
Juliusz Chroboczek d94e5583cd Rewrite AV1 keyframe detection. 
Metadata OBUs can appear between the sequence header and the first
frame header.
 2021-05-16 14:51:09 +02:00
Juliusz Chroboczek 4435a30a53 Use sequence parameter sets for h.264 keyframe detection. 
RFC 6184 Section 8.5.1 implies that the sender will send a
a sequence parameter set in response to PLI.  Since a keyframe is
useless without parameters, use the SPS to detect keyframes.
 2021-05-15 23:50:32 +02:00
Juliusz Chroboczek 3e00bb4293 AV1 support. 2021-05-15 19:54:07 +02:00
Juliusz Chroboczek c0da658b9f Send sender report more often. 
Now that we start at 200kbps, we need to increase our rate faster.
 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 2da8faa8cf Implement per-stream requests. 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 515c4a5cd0 Rename pushConns to requestConns, move into Client interface. 
Also allow selecting just a single connection.
 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 435f46c520 Add tests for codec manipulation and rtpconn data stuctures. 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 6f9d7fc306 Scalable video coding (SVC). 2021-05-14 23:21:14 +02:00
Juliusz Chroboczek 7590588a54 Don't renegotiate if nothing changed during a request. 2021-05-14 18:19:44 +02:00
Juliusz Chroboczek d236f4c6df Work around empty track id and msid. 2021-05-13 03:45:32 +02:00
Juliusz Chroboczek 5ad0244267 Allow the loss-based congestion controller to yield higher values. 2021-05-12 17:06:26 +02:00
Juliusz Chroboczek 1130295e0b Use strings.EqualFold for comparing codec names. 2021-05-12 16:18:23 +02:00
Juliusz Chroboczek c53cc20d26 Use Write instead of WriteRTP in the downTrack interface. 2021-05-11 23:48:17 +02:00
Juliusz Chroboczek b09dba0e26 Remove FIR sending code. 
We no longer send FIRs.
 2021-05-11 23:46:57 +02:00
Juliusz Chroboczek d3f53e6ada Move rate estimation into rtpDownTrack.WriteRTP. 2021-05-11 22:45:33 +02:00
Juliusz Chroboczek c52e1f4ce0 Move keyframe handling to the sender side. 
This is simpler and gets rid of ErrKeyframeNeeded.
 2021-05-11 22:36:56 +02:00
Juliusz Chroboczek b2ea8e8533 Move isKeyframe into its own file. 2021-05-11 19:59:24 +02:00
Juliusz Chroboczek 26bf8a341a Don't send client parameters in delete message. 
This avoids a race condition since the delete messages are sent
asynchronously.
 2021-05-10 16:58:28 +02:00
Juliusz Chroboczek 795a40ceaf Simulcast. 2021-05-08 21:12:29 +02:00
Juliusz Chroboczek ed88a7a4b5 Fix typo in REMB sending. 2021-05-08 18:51:15 +02:00
Juliusz Chroboczek 65972fabe8 Remove dead code. 2021-05-08 16:03:32 +02:00
Juliusz Chroboczek 86b6c71ca0 Reformat stats display, protect against division by zero. 2021-05-07 02:23:10 +02:00
Juliusz Chroboczek 3a6ade988d Export stats as JSON. 2021-04-30 20:17:10 +02:00
Juliusz Chroboczek 9b1d814b58 Rework packetcache loss statistics. 
Don't maintain loss, which is too error-prone.  Instead, maintain
expected and received packet counts, and compute loss from that.
 2021-04-30 16:26:17 +02:00
Juliusz Chroboczek cd6920d7e2 Allow group.API() to fail. 2021-04-29 21:10:04 +02:00
Juliusz Chroboczek be73380f9f Label streams, not tracks. 
We used to label tracks individually, in a view to using the labelling
for simulcast.  Since then, the WebRTC community has converged on a
different strategy, where multiple tracks share a single mid and
are labelled with the rid extension.

We now label whole streams, which is simpler, and use the track's
kind (and, in the future, the rid) to disambiguate.  This changes the
protocol in two ways:

  * in offers, the "labels" dictionary is replaced by a single "label"
    field; and
  * the syntax of the "request" message has changed.
 2021-04-29 18:28:16 +02:00
Juliusz Chroboczek 3ba2394be7 Implement user statuses. 
The server now maintains a set of statuses for each user that are not
interpreted by the server but communicated to the other members of the
group using 'user' messages.
 2021-04-28 17:01:05 +02:00
Juliusz Chroboczek f0a39fca48 Send user permissions to client. 
We now maintain the user list in the serverConnection.
 2021-04-28 00:07:19 +02:00
Juliusz Chroboczek fef38bc53f Protect against requesting when no group is joined. 
Thanks to gregfr.
 2021-04-15 12:07:05 +02:00
Juliusz Chroboczek ea321be17a Make Kick part of the Client interface. 
All clients implement Kick, no need for a separate interface.
 2021-02-26 16:20:13 +01:00
Juliusz Chroboczek ddb6039fa6 Fix error handling in client actions. 
Thanks to Yacine.
 2021-02-17 20:55:11 +01:00