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176 Commits

Author SHA1 Message Date
Juliusz Chroboczek 2831158f09 WIP: WHIP support 2022-01-27 23:14:42 +01:00
Juliusz Chroboczek e8fbfcb9ba Avoid overflow in bitrate computation. 2022-01-25 20:11:28 +01:00
Juliusz Chroboczek 39976d6d0d Protect webClient.actions with its own mutex. 
(*webClient).action may be called with the group mutex taken,
and therefore cannot take the client mutex.
 2021-12-11 01:33:47 +01:00
Juliusz Chroboczek abed33d654 Fix missing line break in subgroups command. 2021-11-29 17:33:46 +01:00
Juliusz Chroboczek 6af729eeee Reduce delay before sending NACK. 2021-11-27 23:14:42 +01:00
Juliusz Chroboczek c7c3c9c6b0 Export group status in .status.json. 2021-10-30 19:12:06 +02:00
Juliusz Chroboczek c64ec4ccd0 Update dependencies. 2021-10-30 18:54:24 +02:00
Juliusz Chroboczek 019f365981 Remove accessors for group description fields. 
Consult the description directly.
 2021-10-30 18:34:35 +02:00
Juliusz Chroboczek 869eb9b839 Move password checking into group.go. 
It used to be delegated to clients.
 2021-10-27 04:15:44 +02:00
Juliusz Chroboczek 09c5ba0d06 Protect against tracks without a stream. 2021-09-16 17:19:19 +02:00
Juliusz Chroboczek e81ee4af5e Remove userId and userName from rtpconn. 
They're redundant with the client field.
 2021-09-16 16:53:44 +02:00
Juliusz Chroboczek f683675ab4 Use a dedicated error value for anonymous users. 2021-09-09 22:26:08 +02:00
Juliusz Chroboczek 6aa7a9394a More tweaks to layer switching. 
I'm not seeing any non-keyframe spatial sync frames, so simplify
the code by only switching spatial layers on keyframes.
 2021-08-05 00:03:42 +02:00
Juliusz Chroboczek 9093339b62 Rework handling of buffered keyframes. 
Instead of buffering the last keyframe, we merely keep track of its
seqno, and use the main cache for recovering.  We also send the whole
sequence of packets rather than just the keyframe itself.
 2021-08-04 02:58:24 +02:00
Juliusz Chroboczek f4aa86a491 Switch spatial layers at the right point. 2021-08-03 23:21:44 +02:00
Juliusz Chroboczek 48a9b10ce8 Use spatial scalability when simulcast is not available. 
If the client requested a low-resolution stream and there is none,
switch to SID=0.
 2021-08-03 13:14:11 +02:00
Juliusz Chroboczek 4f7be19644 Implement pid and mark rewriting for VP9, fix VP9 sync bits. 
The sync bits were incorrect.  In addition, we need to set the
marker at the new end of the frame when doing spatial decimation.
 2021-08-03 13:09:43 +02:00
Juliusz Chroboczek 56226a2934 Export the max requested rate in track statistics. 2021-08-03 03:28:36 +02:00
Juliusz Chroboczek 200c0dd68c Refresh layer info after adjusting in down.Write. 
Otherwise we might act on outdated info, which could cause a spurious
drop.
 2021-08-03 03:15:08 +02:00
Juliusz Chroboczek 3d21a79880 Don't carry up tracks explicitly. 
Left over from the old data structure.
 2021-08-03 02:51:44 +02:00
Juliusz Chroboczek 51c31ab729 Improve error handling for negotiation failures. 
Now that we constrain tracks in offers properly, there is no need
to manually check that the codecs have been matched correctly.
 2021-08-02 20:00:23 +02:00
Juliusz Chroboczek 816b7a54df Restrict negotiation of downstream codecs, allow multiple profiles. 
We now restrict the allowable codecs in the downstream direction,
which leads to a clean failure instead of a silent track.  We also
allow multiple profiles for a single codec.
 2021-08-02 18:08:37 +02:00
Juliusz Chroboczek dd4dbeaee5 Add spatial scalability support. 
Only used as a last-resort fallback.
 2021-08-01 13:57:14 +02:00
Juliusz Chroboczek efb298f002 Use sendonly transceiver for down tracks, embed receiver in track. 2021-08-01 13:33:01 +02:00
Juliusz Chroboczek 3bdcb8af28 Fix typo in down layer selection. 2021-07-31 23:22:01 +02:00
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