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Use sendonly transceiver for down tracks, embed receiver in track.

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This commit is contained in:
Juliusz Chroboczek 2021-08-01 13:33:01 +02:00
parent 63cfce9eec
commit efb298f002
2 changed files with 22 additions and 16 deletions
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26
rtpconn/rtpconn.go
View file

@ -353,12 +353,13 @@ func (down *rtpDownConnection) flushICECandidates() error {
}
type rtpUpTrack struct {
track *webrtc.TrackRemote
conn *rtpUpConnection
rate *estimator.Estimator
cache *packetcache.Cache
jitter *jitter.Estimator
cname atomic.Value
track *webrtc.TrackRemote
receiver *webrtc.RTPReceiver
conn *rtpUpConnection
rate *estimator.Estimator
cache *packetcache.Cache
jitter *jitter.Estimator
cname atomic.Value
actionCh chan struct{}
readerDone chan struct{}
@ -630,6 +631,7 @@ func newUpConn(c group.Client, id string, label string, offer string) (*rtpUpCon
track := &rtpUpTrack{
track: remote,
receiver: receiver,
conn: up,
cache: packetcache.New(minPacketCache(remote)),
rate: estimator.New(time.Second),
@ -642,7 +644,7 @@ func newUpConn(c group.Client, id string, label string, offer string) (*rtpUpCon
go readLoop(track)
go rtcpUpListener(up, track, receiver)
go rtcpUpListener(track)
up.mu.Unlock()
@ -769,12 +771,12 @@ func (track *rtpUpTrack) GetPacket(seqno uint16, result []byte, nack bool) uint1
return 0
}
func rtcpUpListener(conn *rtpUpConnection, track *rtpUpTrack, r *webrtc.RTPReceiver) {
func rtcpUpListener(track *rtpUpTrack) {
buf := make([]byte, 1500)
for {
firstSR := false
n, _, err := r.ReadSimulcast(buf, track.track.RID())
n, _, err := track.receiver.ReadSimulcast(buf, track.track.RID())
if err != nil {
if err != io.EOF && err != io.ErrClosedPipe {
log.Printf("Read RTCP: %v", err)
@ -825,7 +827,7 @@ func rtcpUpListener(conn *rtpUpConnection, track *rtpUpTrack, r *webrtc.RTPRecei
if firstSR {
// this is the first SR we got for at least one track,
// quickly propagate the time offsets downstream
local := conn.getLocal()
local := track.conn.getLocal()
for _, l := range local {
l, ok := l.(*rtpDownConnection)
if ok {
@ -1093,13 +1095,13 @@ func (track *rtpDownTrack) updateRate(loss uint8, now uint64) {
track.maxBitrate.Set(rate, now)
}
func rtcpDownListener(track *rtpDownTrack, s *webrtc.RTPSender) {
func rtcpDownListener(track *rtpDownTrack) {
lastFirSeqno := uint8(0)
buf := make([]byte, 1500)
for {
n, _, err := s.Read(buf)
n, _, err := track.sender.Read(buf)
if err != nil {
if err != io.EOF && err != io.ErrClosedPipe {
log.Printf("Read RTCP: %v", err)

12
rtpconn/webclient.go
View file

@ -380,19 +380,23 @@ func addDownTrackUnlocked(conn *rtpDownConnection, remoteTrack *rtpUpTrack, remo
return err
}
sender, err := conn.pc.AddTrack(local)
transceiver, err := conn.pc.AddTransceiverFromTrack(local,
webrtc.RTPTransceiverInit{
Direction: webrtc.RTPTransceiverDirectionSendonly,
},
)
if err != nil {
return err
}
parms := sender.GetParameters()
parms := transceiver.Sender().GetParameters()
if len(parms.Encodings) != 1 {
return errors.New("got multiple encodings")
}
track := &rtpDownTrack{
track: local,
sender: sender,
sender: transceiver.Sender(),
ssrc: parms.Encodings[0].SSRC,
conn: conn,
remote: remoteTrack,
@ -405,7 +409,7 @@ func addDownTrackUnlocked(conn *rtpDownConnection, remoteTrack *rtpUpTrack, remo
conn.tracks = append(conn.tracks, track)
go rtcpDownListener(track, sender)
go rtcpDownListener(track)
return nil
}