Files
livekit/pkg/rtc/transport/handler.go
T
Raja Subramanian 890fd94249 Single peer connection mode (#3873)
* WIP

* check using protocol version

* revert

* clean up

* sdp cid argument

* WIP

* WIP

* test

* clean up

* clean up

* fixes

* clean up

* clean up

* clean up

* conditional checks

* tests for both dual and single peer connection

* test

* test

* test

* type check

* test

* todo

* munges

* combined config

* populate mid

* limit to receive only

* clean up

* clean up

* clean up

* older test

* clean up

* alternative audio codec

* dtx

* don't need to copy

* Anunay feedback

* use the available peer connection

* publisher check

* WIP

* WIP

* WIP

* no mid

* media sections requirement

* mage generate

* WIP

* WIP

* set data channel receive size for test

* handle early media better

* WIP

* do not do ICERestart if no subscriber

* WIP

* WIP

* WIP

* WIP

* WIP

* WIP

* start up subscriber RTCP worker

* WIP

* WIP

* clean up

* clean up

* flag to indicate use of single peer connection

* remove unused interface method

* clean up

* clean up

* Jie feedback #1

* deps

* do not access subscriber in one shot mode

* more places for one shot mode

* more one shot fixes

* deps

* deps

* test
2025-08-28 12:16:18 +05:30

79 lines
3.3 KiB
Go

// Copyright 2024 LiveKit, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transport
import (
"errors"
"github.com/pion/webrtc/v4"
"github.com/livekit/livekit-server/pkg/rtc/types"
"github.com/livekit/livekit-server/pkg/sfu/streamallocator"
"github.com/livekit/protocol/livekit"
)
//go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 -generate
var (
ErrNoICECandidateHandler = errors.New("no ICE candidate handler")
ErrNoOfferHandler = errors.New("no offer handler")
ErrNoAnswerHandler = errors.New("no answer handler")
)
//counterfeiter:generate . Handler
type Handler interface {
OnICECandidate(c *webrtc.ICECandidate, target livekit.SignalTarget) error
OnInitialConnected()
OnFullyEstablished()
OnFailed(isShortLived bool, iceConnectionInfo *types.ICEConnectionInfo)
OnTrack(track *webrtc.TrackRemote, rtpReceiver *webrtc.RTPReceiver)
OnDataMessage(kind livekit.DataPacket_Kind, data []byte)
OnDataMessageUnlabeled(data []byte)
OnDataSendError(err error)
OnOffer(sd webrtc.SessionDescription, offerId uint32) error
OnAnswer(sd webrtc.SessionDescription, answerId uint32) error
OnNegotiationStateChanged(state NegotiationState)
OnNegotiationFailed()
OnStreamStateChange(update *streamallocator.StreamStateUpdate) error
OnUnmatchedMedia(numAudios uint32, numVideos uint32) error
}
type UnimplementedHandler struct{}
func (h UnimplementedHandler) OnICECandidate(c *webrtc.ICECandidate, target livekit.SignalTarget) error {
return ErrNoICECandidateHandler
}
func (h UnimplementedHandler) OnInitialConnected() {}
func (h UnimplementedHandler) OnFullyEstablished() {}
func (h UnimplementedHandler) OnFailed(isShortLived bool) {}
func (h UnimplementedHandler) OnTrack(track *webrtc.TrackRemote, rtpReceiver *webrtc.RTPReceiver) {}
func (h UnimplementedHandler) OnDataMessage(kind livekit.DataPacket_Kind, data []byte) {}
func (h UnimplementedHandler) OnDataMessageUnlabeled(data []byte) {}
func (h UnimplementedHandler) OnDataSendError(err error) {}
func (h UnimplementedHandler) OnOffer(sd webrtc.SessionDescription, offerId uint32) error {
return ErrNoOfferHandler
}
func (h UnimplementedHandler) OnAnswer(sd webrtc.SessionDescription, answerId uint32) error {
return ErrNoAnswerHandler
}
func (h UnimplementedHandler) OnNegotiationStateChanged(state NegotiationState) {}
func (h UnimplementedHandler) OnNegotiationFailed() {}
func (h UnimplementedHandler) OnStreamStateChange(update *streamallocator.StreamStateUpdate) error {
return nil
}
func (h UnimplementedHandler) OnUnmatchedMedia(numAudios uint32, numVideos uint32) error {
return nil
}