Commit Graph

134 Commits

Author SHA1 Message Date
Raja Subramanian ccdf23c8a6 Use mediatransportutil/codec package, no functional change (#4497) 2026-05-01 20:06:29 +05:30
Raja Subramanian a002337db1 Legacy TrackInfo.Simulcast flag. (#4493)
* Legacy TrackInfo.Simulcast flag.

When AddTrack did not send SimulcastCodecs, the legacy `Simulcast` flag
was not set. Fix it by setting the flag when a second layer is
published.

* staticcheck

* use the existing PrimaryReceiver function
2026-04-29 22:43:33 +05:30
Raja Subramanian 701a37c2d1 Convert sort.Slice -> slices.SortFunc (#4472)
* Convert sort.Slice -> slices.SortFunc

* active speaker loudness in descending order
2026-04-23 15:12:24 +05:30
Raja Subramanian 3cfb71e7ca Use Muted in TrackInfo to propagated published track muted. (#4453)
* Use Muted in TrackInfo to propagated published track muted.

When the track is muted as a receiver is created, the receiver
potentially was not getting the muted property. That would result in
quality scorer expecting packets.

Use TrackInfo consistently for mute and apply the mute on start up of a
receiver.

* update mute of subscriptions
2026-04-16 01:03:40 +05:30
Raja Subramanian 9e0a7e545f Close both peer connections to aid migration. (#4382)
* Close both peer connections to aid migration.

In single peer connection case, that would close publisher peer
connection.

@cnderrauber I don't remember why we only closed subscriber peer
connection. I am thinking it is okay to close both (or the publisher
peer connection in single peer connection mode). Please let me know if I
am missing something.

* log change only
2026-03-24 14:19:46 +05:30
David Chen a5333a86bb add packet trailer stripping support (#4361)
* bump protocol version to 17 to enable packet trailer stripping functionality
* check subscriber protocol version for trailer stripping
2026-03-23 13:33:42 -07:00
Raja Subramanian 516aeabf45 Use ParticipantTelemetryListener of LocalParticipant. (#4342)
Had made a change in remote participant case to not have telemetry
listener as telemetry does not apply to remote participant. But, that
listener ended up getting used for subscriber and became a null
listener. Use the listener of the subscriber participant for subscribed
tracks.
2026-03-05 11:24:48 +05:30
Raja Subramanian b81bac0ec3 Key telemetry stats worker using combination of roomID, participantID (#4323)
Test / test (push) Failing after 17s
Release to Docker / docker (push) Failing after 3m42s
* Key telemetry stats work using combination of roomID, participantID

With forwarded participant, the same participantID can existing in two
rooms.

NOTE: This does not yet allow a participant session to report its
events/track stats into multiple rooms. That would require regitering
multiple listeners (from rooms a participant is forwarded to).

* missed file

* data channel stats

* PR comments + pass in room name so that telemetry events have proper room name also
2026-02-16 13:56:13 +05:30
Anunay Maheshwari 0c33b8c671 chore: move codecs/mime stuff to protocol (#4255) 2026-01-20 20:54:32 +05:30
cnderrauber f6efccce25 report video size from media data for whip (#4211) 2025-12-31 15:52:10 +08:00
Raja Subramanian b8ddd0f98c Taking interface{} -> any modernize bits (#4204) 2025-12-28 05:22:12 +05:30
Raja Subramanian ed8e6afcd7 Handle repair SSRC of simulcast tracks during migration. (#4193)
* Handle repair SSRC of simulcast tracks during migration.

* fix

* fix comment
2025-12-25 14:45:48 +05:30
Raja Subramanian 6489237e33 Simulcast audio fixes (#3925)
* Simulcast audio fixes

* clean up
2025-09-14 09:41:40 +05:30
Raja Subramanian 798fa76110 Support simulcasting of audio (#3920)
* WIP

* WIP

* new files

* clean up

* test

* Deps

* clean up

* clean up

* goimports latest
2025-09-12 10:20:04 +05:30
cnderrauber b660c3b582 Extract video size from media stream (#3856)
* Extract video size from media stream

* fix test
2025-08-18 09:06:57 +08:00
Raja Subramanian fa5f4ef33c Populate SDP cid in track info when available. (#3845)
* Populate SDP cid in track info when available.

- Adding SDP cid to TrackInfo. Browsers like FF uses a different stream
  id for AddTrack and actual SDP offer. So, have to look up using both
  on server side. To make it easier, store both (only if different) in
  TrackInfo.
- Use a codec in TrackInfo for audio also. There is some discussion
  around doing simulcast codec for audio so that something like PSTN can
  use G.711 without any transcoding. So, just keep it consistent between
  audio and video.
- Populate SDP cid when SDP offer is received. It could populate a
  pending track or an already published track if the new offer is for a
  back up codec where the primary codec is already published.
- Passed around parsed offer to more places to avoid parsing multiple
  times.
- Clean up MediaTrack interface a bit and remove unneeded methods.

* WIP

* WIP

* deps

* stream allocator mime aware

* clean up

* populate SDP cid before munging

* interface methods
2025-08-13 10:53:16 +05:30
Raja Subramanian 1b2289137d Support video layer mode from client and make most of the code mime aware (#3843) 2025-08-09 21:26:11 +05:30
Raja Subramanian f2da4444b4 Support per simulcast codec layers. (#3840)
* different layers

* deps
2025-08-08 19:53:38 +05:30
Raja Subramanian c69f1aae87 Revert "Temporary change: use pre-defined rids" (#3769)
* Revert "Temporary change: use pre-defined rids (#3767)"

This reverts commit d11da5f5fa.

* clean up

* add test and simplify

* clean up
2025-06-30 07:34:58 +05:30
Raja Subramanian d11da5f5fa Temporary change: use pre-defined rids (#3767)
To address a compatibility issue across relay. Will revert this once the
compatibility is addressed.
2025-06-29 20:00:21 +05:30
Raja Subramanian 9fc4ddbe47 ClearAllReceivers interface is used to pause relay tracks. (#3761)
Restore interface.
2025-06-24 16:27:14 -07:00
Raja Subramanian 1216113b35 Do not need to just clean up receivers. Remove that interface. (#3760)
The tracks are always closed.
2025-06-24 12:54:34 -07:00
Raja Subramanian 670f927ff6 Set and use rid/spatial layer in TrackInfo. (#3724)
* Set and use rid/spatial layer in TrackInfo.

* test
2025-06-12 23:22:11 -07:00
Raja Subramanian ce07740e11 Add simulcast support for WHIP. (#3719)
* Add simulcast support for WHIP.

- General change to have rids be anything.
- One issue is rid ordering not matching quality ordering, will need
  some dynamic layer quality determination for that.

* clean up

* deps

* test
2025-06-11 19:40:38 -07:00
Raja Subramanian 5172af1526 ~Send initial participant update only after a participant becomes active.~ - General clean up (#3655)
* Send initial participant update only after a participant becomes active.

There are cases where apps send data to remote participant as soon as
client emits `ParticipantConnected`. But, that time point would not have
a fully established client (i. e. the media connection + data channel
establishment is still in progress).

This PR changes the initial participant update to be sent from server
side only when a participant becomes `ACTIVE`, i.e fully connected
(media channel established and data channels open).

It is supported for clients using protocol version > 15.

@cnderrauber bumping up the protocol version in this PR. Move support is
also conditioned on protocol version > 15, but that PR did not ump
protocol version. Please let me know if there are issues bumping
protocol version.

* check for joining states in broadcast

* have to check on other participant

* test

* make helper for sending participant updates

* test

* make utility of pushAndDeque

* test

* consolidate getting other participants

* remove extra cast

* debug

* debug

* typo

* stop transceiver that is not bound

* logs

* log

* check for ever bound

* clean up

* clean up
2025-05-13 14:46:35 +05:30
cnderrauber 793b383a52 Add Moving participant to another room (#3648)
* Add Moving participant to another room

it is implemented in cloud only since the destination
room can exist in different node with the source room

* Update pkg/service/errors.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* rename

* test panic

* fake LocalParticipantHelper

* revert delete line

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-05-08 12:58:24 +08:00
Raja Subramanian 6d6393a6e0 Take AudioFeatures from AddTrack. (#3635)
* Take AudioFeatures from AddTrack.

* use slices.Compact

* feedback

* remove early bail
2025-05-01 13:53:09 +05:30
Anunay Maheshwari 52ce18d56e fix: revert recent changes to determine simulcast from sdp (#3565)
* Revert "Audio uses signal SignalCid and SdpCid. (#3564)"

This reverts commit cdfbb106d1.

* Revert "Keep simulcast information tied to receiver. (#3563)"

This reverts commit ed5e2f16b2.

* Revert "chore(logs): log VLS type for VP9/AV1 (#3561)"

This reverts commit ad010cfc43.

* Revert "fix(video): determine svc/simulcast from SDP for advanced codecs (#3549)"

This reverts commit 15f565510c.

* chore(deps): update protocol
2025-03-31 23:15:44 +05:30
Raja Subramanian ed5e2f16b2 Keep simulcast information tied to receiver. (#3563)
* Keep simulcast information tied to receiver.

`simulcast` flag in `TrackInfo` is at track lavel. With codec simulcast,
the primary codec (in most cases) is SVC and the backup codec is
simulcast. Back up codec publish changing the track info setting to true
meant that the primary receiver was treated as simulcast if a subscriber
for primary codec joined after the backup codec was published.

Keep track of simulcast flag in receiver.

Also, TrackInfo Cids are from signal. So, keep track of SDP cids
separately. The `simulcastTrackIds` map uses SDP cid. Clean up by all
the SDP cids of a track

* clean up

* clean up

* clean up

* clean up

* test

* Store SdpCid and IsSimulcast in Trackinfo

* clean up

* mock
2025-03-31 19:25:57 +05:30
Anunay Maheshwari 15f565510c fix(video): determine svc/simulcast from SDP for advanced codecs (#3549)
* fix(video): determine svc/simulcast from SDP for advanced codecs

* fix(explicit-svc): cleanup

* fix(explicit-svc): remove from list on close/remove

* fix(explicit-svc): reorder VLS selection, cleanup

* fix(explicit-svc): todo comments for temporal layer selector

* fix(explicit-svc): remove from simulcastTrackIds even if client does not support unpublish
2025-03-26 16:22:32 +05:30
Raja Subramanian 65d8aa2847 Handle subscribe race with track close better. (#3526)
There are two very very edge case scenarios this is triyng to address.

Scenario 1:
-----------
- both pA and pB migrating
- pA migrates first and subscribes to pB via remote track of pB
- while the above subscribe is happening, pB also migrates and
  closes the remote track
- by the time the subscribe set up completes, it realises that
  the remote track is not open any more and removes itself as
  subscriber
- but that removal is using the wrong `isExpectedToResume` as clearing
  all receivers has not run yet which is what caches the
  `isExpectedToResume`.
- That meant, the down track transceiver is not cached and hence not
  re-used when re-subscribing via pB's local track
- Fix it by caching the expected to resume when changing receiver state
  to `closing`.

Scenario 2:
-----------
- both pA and pB migrating
- pA migrates first and subscribes to pB via remote track of pB
- while the above subscribe is happening, pB also migrates and
  closes the remote track
- pB's local track is published before the remote track can be fully
  closed and all the subscribers removed. That local track gets added
  to track manager.
- While the remote track is cleaning, subscription manager triggers
  again to for pA to subscribe to pB's track. The track manager now
  resolves to the local track.
- Local track subscription progresses. As the remote track clean up is
  not finished, the transceiver is not cached. So, the local track based
  subscription creates a new transceiver and that ends up causing
  duplicate tracks in the SDP offer.
- Fix it by creating a FIFO in track manager and only resolve using the
  first one. So, in the above case, till the remote track is fully
  cleaned up, the track manager will resolve to that. Yes, the
  subscriptions itself will fail as the track is not in open state (i. e.
  it might be in `closing` state), but that is fine as subscription
  manager will eventually resolve to the local track and proper
  transceiver re-use can happen.
2025-03-14 14:37:37 +05:30
Raja Subramanian 83b94b31ac Do not revoke track subscription on permission update for exempt (#3458)
participants.
2025-02-21 11:25:29 +05:30
Raja Subramanian 3da7de76c7 Fix sense of codec match check while setting layer SSRC. (#3418) 2025-02-10 13:40:16 +05:30
Raja Subramanian 9551c52c85 Try 2 to consolidate mime type (#3407)
* Normalize mime type and add utilities.

An attempt to normalize mime type and avoid string compares remembering
to do case insensitive search.

Not the best solution. Open to ideas. But, define our own mime types
(just in case Pion changes things and Pion also does not have red mime
type defined which should be easy to add though) and tried to use it everywhere.
But, as we get a bunch of callbacks and info from Pion, needed conversion in
more places than I anticipated. And also makes it necessary to carry
that cognitive load of what comes from Pion and needing to process it
properly.

* more locations

* test

* Paul feedback

* MimeType type

* more consolidation

* Remove unused

* test

* test

* mime type as int

* use string method

* Pass error details and timeouts. (#3402)

* go mod tidy (#3408)

* Rename CHANGELOG to CHANGELOG.md (#3391)

Enables markdown features in this otherwise already markdown'ish formatted document

* Update config.go to properly process bool env vars (#3382)

Fixes issue https://github.com/livekit/livekit/issues/3381

* fix(deps): update go deps (#3341)

Generated by renovateBot

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

* Use a Twirp server hook to send API call details to telemetry. (#3401)

* Use a Twirp server hook to send API call details to telemetry.

* mage generate and clean up

* Add project_id

* deps

* - Redact requests
- Do not store responses
- Extract top level fields room_name, room_id, participant_identity,
  participant_id, track_id as appropriate
- Store status as int

* deps

* Update pkg/sfu/mime/mimetype.go

* Fix prefer codec test

* handle down track mime changes

---------

Co-authored-by: Denys Smirnov <dennwc@pm.me>
Co-authored-by: Philzen <Philzen@users.noreply.github.com>
Co-authored-by: Pablo Fuente Pérez <pablofuenteperez@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Paul Wells <paulwe@gmail.com>
Co-authored-by: cnderrauber <zengjie9004@gmail.com>
2025-02-10 10:44:15 +05:30
cnderrauber aeec75edeb H265 supoort and codec regression (#3358)
* H265 supoort and codec regression

Support H265 codec.
Add optional codec regression for subscribers don't
support advanced codecs like H265, AV1, VP9.

* restart forwarder on upstream codec change

* tests

* Reneogitate new codec if client doesn't support change

* Add option to disable codec regression

---------

Co-authored-by: boks1971 <raja.gobi@tutanota.com>
2025-02-06 11:56:49 +08:00
Raja Subramanian 3251156bd3 Address a data race reported by CI (#3273)
in this run https://github.com/livekit/livekit/actions/runs/12396846876/job/34605820002
2024-12-19 23:16:48 +05:30
cnderrauber 54f9f7de51 upgrade to pion/webrtc v4 (#3213) 2024-11-28 16:05:38 +08:00
Raja Subramanian 86383b2271 De-centralize some configs to where they are used. (#3162)
* De-centralize some configs to where they are used.

And make default variables.

Renaming a bit, but these are all internal config and have not been
added to documented config.

* Keep documented config as is.

* test

* typo
2024-11-08 12:47:30 +05:30
Raja Subramanian 2f674f647e Log before and after, was not logging the new one in the last change. (#3075) 2024-10-09 09:22:52 +05:30
Raja Subramanian 7c26d4a75a Log track update (#3073)
* Log track update

* trackID for pending
2024-10-08 12:26:36 +05:30
Raja Subramanian 8ac33a868c Splitting out rtp stats stuff into its own package. (#3060)
* Splitting out rtp stats stuff into its own package.

Going to be making some lighter versions of these.
Will be cleaner to have all of these grouped together.
So, as a first step, just making a package for it.

* tests
2024-10-03 15:51:24 +05:30
Raja Subramanian 7df6f86693 Initial plumbing for metrics. (#2950)
* Initial plumbing for metrics.

This implements
- metrics received from participant.
- callback to room.
- room distributes it to all other participants (excluding the sending
  participant).
- other participants forward to client.
- counting metrics bytes in data channel stats

TODO:
  - recording/processing/batching
  - should recording/processing/batching happen on publisher side or
    subscriber side?
  - should metrics be echoed back to publisher?
  - grants to publish/subscribe metrics.

* mage generate

* clear OnMetrics on close

* - CanSubscribeMetrics permission.
- Echo back to sender.

* update deps

* No destination identities for metrics

* WIP

* use normalized timestamp for server injected timestamps

* compile

* debug log metrics batch

* correct comment

* add baseTime to wire

* protocol dep

* Scope metrics forwarding to only participants that a participant is
subscribed to.

Also remove the participant_metrics.go file as it was not doing anything
useful.

* update comment

* utils.ErrorIsOneOf

* couple of more utils.CloneProto
2024-09-19 11:42:31 +05:30
Paul Wells 4deaac2f3f replace proto.Clone calls (#3024)
* replace proto.Clone calls

* deps

* tests
2024-09-18 22:47:33 -07:00
cnderrauber bde702d9c9 Don't remove DD extesion for simucalst codecs (#2960) 2024-08-26 17:52:33 +08:00
cnderrauber 0c5b5537b2 Don't create DDParser for non-svc codec (#2883) 2024-07-19 10:52:27 +08:00
Paul Wells 9f42063fed use atomic pointer for MediaTrackReceiver TrackInfo (#2870) 2024-07-16 02:39:14 -07:00
Raja Subramanian ef838e4fa2 Indicate if track is expectd to be resumed in onClose callback. (#2800)
That is the main change. Changed variable name to `isExpectedToResume`
everywhere to be consistent.

Planning to use the callback value in relays to determine if the down
track should be closed or switched to a different up track.
2024-06-17 23:51:00 +05:30
Raja Subramanian 721c36fbc0 Send telemetry events on track feature updates. (#2723)
* Send telemetry events on track feature updates.

* Do not process no change
2024-05-27 10:46:26 +05:30
Antti Tapaninen 45ed030ce6 add missing strings.EqualFold for some mimeType comparisons (#2701) 2024-05-04 11:47:29 +05:30
Raja Subramanian 79f6506553 Clean up UpdateVideoLayers (#2685) 2024-04-26 12:21:40 +05:30