chore: fix typos in comment (#2634)

Signed-off-by: wanshuangcheng <wanshuangcheng@outlook.com>

pkg/sfu/codecmunger/vp8.go

@@ -240,7 +240,7 @@ func (v *VP8) UpdateAndGet(extPkt *buffer.ExtPacket, snOutOfOrder bool, snHasGap
 
 		// if there is a gap, packet is forwarded irrespective of temporal layer as it cannot be determined
 		// which layer the missing packets belong to. A layer could have multiple packets. So, keep track
-		// of pictures that are forwarded even though they will be filterd out based on temporal layer
+		// of pictures that are forwarded even though they will be filtered out based on temporal layer
 		// requirements. That allows forwarding of the complete picture.
 		if vp8.T && vp8.TID > uint8(maxTemporalLayer) {
 			v.exemptedPictureIds.Set(extPictureId, true)

pkg/sfu/connectionquality/scorer.go

@@ -382,7 +382,7 @@ func (q *qualityScorer) updateAtLocked(stat *windowStat, at time.Time) {
 	//       considered (as long as enough time has passed since unmute).
 	//
 	//       Similarly, when paused (possibly due to congestion), score is immediately
-	//       set to cMinScore for responsiveness. The layer transision is reest.
+	//       set to cMinScore for responsiveness. The layer transition is reset.
 	//       On a resume, quality climbs back up using normal operation.
 	if q.isMuted() || !q.isUnmutedEnough(at) || q.isLayerMuted() || q.isPaused() {
 		q.lastUpdateAt = at

pkg/sfu/redreceiver_test.go

@@ -204,7 +204,7 @@ func TestRedReceiver(t *testing.T) {
 			verifyRedEncodings(t, dt.lastReceivedPkt, expectPkt)
 		}
 
-		// and then a few packets with a large timestmap jump, should contain only primary
+		// and then a few packets with a large timestamp jump, should contain only primary
 		for _, pkt := range generatePkts(header, 4, 40*tsStep) {
 			red.ForwardRTP(&buffer.ExtPacket{
 				Packet: pkt,