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Implement sendFIR.
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parent
49195ef990
commit
88fbce262f
3 changed files with 38 additions and 0 deletions
35
client.go
35
client.go
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@ -908,6 +908,41 @@ func sendPLI(pc *webrtc.PeerConnection, ssrc uint32) error {
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})
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}
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func (up *upConnection) sendFIR(track *upTrack, increment bool) error {
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// we need to reliably increment the seqno, even if we are going
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// to drop the packet due to rate limiting.
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var seqno uint8
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if increment {
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seqno = uint8(atomic.AddUint32(&track.firSeqno, 1) & 0xFF)
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} else {
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seqno = uint8(atomic.LoadUint32(&track.firSeqno) & 0xFF)
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}
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if !track.hasRtcpFb("ccm", "fir") {
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return ErrUnsupportedFeedback
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}
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last := atomic.LoadUint64(&track.lastFIR)
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now := mono.Microseconds()
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if now >= last && now-last < 200000 {
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return ErrRateLimited
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}
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atomic.StoreUint64(&track.lastFIR, now)
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return sendFIR(up.pc, track.track.SSRC(), seqno)
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}
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func sendFIR(pc *webrtc.PeerConnection, ssrc uint32, seqno uint8) error {
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return pc.WriteRTCP([]rtcp.Packet{
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&rtcp.FullIntraRequest{
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FIR: []rtcp.FIREntry{
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rtcp.FIREntry{
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SSRC: ssrc,
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SequenceNumber: seqno,
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},
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},
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},
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})
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}
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func sendREMB(pc *webrtc.PeerConnection, ssrc uint32, bitrate uint64) error {
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return pc.WriteRTCP([]rtcp.Packet{
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&rtcp.ReceiverEstimatedMaximumBitrate{
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2
conn.go
2
conn.go
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@ -31,6 +31,8 @@ type upTrack struct {
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jitter *jitter.Estimator
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maxBitrate uint64
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lastPLI uint64
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lastFIR uint64
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firSeqno uint32
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lastSenderReport uint32
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lastSenderReportTime uint32
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1
group.go
1
group.go
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@ -112,6 +112,7 @@ func addGroup(name string, desc *groupDescription) (*group, error) {
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{"goog-remb", ""},
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{"nack", ""},
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{"nack", "pli"},
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{"ccm", "fir"},
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},
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"",
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))
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