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add SDP answer.

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This commit is contained in:
Miroslav Šedivý
2021-11-28 18:36:47 +01:00
parent 096efe9b38
commit 7b2c1570bf
4 changed files with 63 additions and 15 deletions
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4
internal/webrtc/manager.go
View File

@ -73,7 +73,7 @@ func (manager *WebRTCManagerCtx) ICEServers() []types.ICEServer {
return manager.config.ICEServers
}
func (manager *WebRTCManagerCtx) CreatePeer(session types.Session, videoID string) (*webrtc.SessionDescription, error) {
func (manager *WebRTCManagerCtx) CreatePeer(session types.Session, videoID string) (types.WebRTCPeer, error) {
// add session id to logger context
logger := manager.logger.With().Str("session_id", session.ID()).Logger()
logger.Info().Msg("creating webrtc peer")
@ -238,5 +238,5 @@ func (manager *WebRTCManagerCtx) CreatePeer(session types.Session, videoID strin
})
session.SetWebRTCPeer(peer)
return peer.CreateOffer(false)
return peer, nil
}

35
internal/webrtc/peer.go
View File

@ -27,17 +27,33 @@ func (peer *WebRTCPeerCtx) CreateOffer(ICERestart bool) (*webrtc.SessionDescript
return nil, err
}
return peer.setLocalDescription(offer)
}
func (peer *WebRTCPeerCtx) CreateAnswer() (*webrtc.SessionDescription, error) {
peer.mu.Lock()
defer peer.mu.Unlock()
answer, err := peer.connection.CreateAnswer(nil)
if err != nil {
return nil, err
}
return peer.setLocalDescription(answer)
}
func (peer *WebRTCPeerCtx) setLocalDescription(description webrtc.SessionDescription) (*webrtc.SessionDescription, error) {
if !peer.iceTrickle {
// Create channel that is blocked until ICE Gathering is complete
gatherComplete := webrtc.GatheringCompletePromise(peer.connection)
if err := peer.connection.SetLocalDescription(offer); err != nil {
if err := peer.connection.SetLocalDescription(description); err != nil {
return nil, err
}
<-gatherComplete
} else {
if err := peer.connection.SetLocalDescription(offer); err != nil {
if err := peer.connection.SetLocalDescription(description); err != nil {
return nil, err
}
}
@ -45,21 +61,30 @@ func (peer *WebRTCPeerCtx) CreateOffer(ICERestart bool) (*webrtc.SessionDescript
return peer.connection.LocalDescription(), nil
}
func (peer *WebRTCPeerCtx) SignalOffer(sdp string) error {
func (peer *WebRTCPeerCtx) SetOffer(sdp string) error {
peer.mu.Lock()
defer peer.mu.Unlock()
return peer.connection.SetRemoteDescription(webrtc.SessionDescription{
SDP: sdp,
Type: webrtc.SDPTypeOffer,
})
}
func (peer *WebRTCPeerCtx) SignalAnswer(sdp string) error {
func (peer *WebRTCPeerCtx) SetAnswer(sdp string) error {
peer.mu.Lock()
defer peer.mu.Unlock()
return peer.connection.SetRemoteDescription(webrtc.SessionDescription{
SDP: sdp,
Type: webrtc.SDPTypeAnswer,
})
}
func (peer *WebRTCPeerCtx) SignalCandidate(candidate webrtc.ICECandidateInit) error {
func (peer *WebRTCPeerCtx) SetCandidate(candidate webrtc.ICECandidateInit) error {
peer.mu.Lock()
defer peer.mu.Unlock()
return peer.connection.AddICECandidate(candidate)
}