Commit 0e1f3caf authored by Juliusz Chroboczek's avatar Juliusz Chroboczek

Drop until end of frame when writer is congested.

parent e32f911a
......@@ -388,12 +388,14 @@ type packetIndex struct {
}
func readLoop(conn *upConnection, track *upTrack) {
isvideo := track.track.Kind() == webrtc.RTPCodecTypeVideo
ch := make(chan packetIndex, 32)
defer close(ch)
go writeLoop(conn, track, ch)
buf := make([]byte, packetcache.BufSize)
var packet rtp.Packet
drop := 0
for {
bytes, err := track.track.Read(buf)
if err != nil {
......@@ -424,11 +426,26 @@ func readLoop(conn *upConnection, track *upTrack) {
}
}
if drop > 0 {
if packet.Marker {
// last packet in frame
drop = 0
} else {
drop--
}
continue
}
select {
case ch <- packetIndex{packet.SequenceNumber, index}:
default:
// The writer is congested. Drop the packet, and
// leave it to NACK recovery if possible.
if isvideo {
// the writer is congested. Drop until
// the end of the frame.
if isvideo && !packet.Marker {
drop = 7
}
}
}
}
}
......
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