1
Fork 0
Commit Graph

139 Commits

Author SHA1 Message Date
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
Juliusz Chroboczek 260597d595 Ensure actions happen in order. 2021-02-15 00:35:09 +01:00
Juliusz Chroboczek 183ab4fed7 Use an unbounded buffer for client actions.
We no longer risk deadlocking when sending actions, which in turn
enables pushing connections synchronously.
2021-02-14 17:24:42 +01:00
Juliusz Chroboczek 3b505a89fe Factor out handling actions. 2021-02-14 16:47:36 +01:00
Juliusz Chroboczek 3c7b32056b Reduce writer timeout, increase amount of buffering.
If the writer gets congested, the whole group might be delayed.  Better
to drop the slow client in that case.
2021-02-14 16:26:56 +01:00
Juliusz Chroboczek fe83f61998 Don't complain about ErrClosedPipe in RTCP receiver.
This simply indicates that the server closed the connection
before we received the close indication from the client.
2021-02-11 16:19:36 +01:00
Juliusz Chroboczek 0261558e07 Protect against empty ids. 2021-02-05 16:07:58 +01:00
Juliusz Chroboczek c3a19c9128 Avoid race between closing connections and terminating client.
We need to terminate all down connections synchronously, otherwise
we risk leaving open connections lying around.
2021-02-05 12:20:33 +01:00
Juliusz Chroboczek 66de0d16e7 Fix closing of replaced connections. 2021-02-04 23:51:51 +01:00
Juliusz Chroboczek 0ce509c62c Revert "Log client errors."
We're already logging in the caller.

This reverts commit f4811e8cf5.
2021-02-04 22:44:14 +01:00
Juliusz Chroboczek 263258a0c1 Implement renegotiation of down streams.
We used to destroy and recreate down streams whenever something changed,
which turned out to be racy.  We now properly implement renegotiation,
as well as atomic replacement of a stream by another one.
2021-02-03 19:15:40 +01:00
Juliusz Chroboczek 6c4a71fda0 Increase timeout for connection completion. 2021-02-02 23:12:52 +01:00
Juliusz Chroboczek f34ec0ab66 Don't hide mismatches in the PeerConnection state automaton.
The previous behaviour led to silent failures, which was confusing.
2021-02-02 22:57:56 +01:00