diff --git a/rtmp/packet.go b/rtmp/packet.go
index 9589dc6b..8980cf5d 100644
--- a/rtmp/packet.go
+++ b/rtmp/packet.go
@@ -132,20 +132,20 @@ func readPacket(s *Session, pkt *packet) error {
 		timestamp := append(s.channelTimestamp, make([]int32, 10)...)
 
 		var pkts []*packet
-		if s.vecChannelsIn == nil {
+		if s.channelsIn == nil {
 			pkts = make([]*packet, n)
 		} else {
-			pkts = append(s.vecChannelsIn[:pkt.channel:pkt.channel], make([]*packet, 10)...)
+			pkts = append(s.channelsIn[:pkt.channel:pkt.channel], make([]*packet, 10)...)
 		}
 
 		s.channelTimestamp = timestamp
-		s.vecChannelsIn = pkts
+		s.channelsIn = pkts
 
 		for i := int(s.channelsAllocatedIn); i < len(s.channelTimestamp); i++ {
 			s.channelTimestamp[i] = 0
 		}
 		for i := int(s.channelsAllocatedIn); i < int(n); i++ {
-			s.vecChannelsIn[i] = nil
+			s.channelsIn[i] = nil
 		}
 		s.channelsAllocatedIn = n
 	}
@@ -155,8 +155,8 @@ func readPacket(s *Session, pkt *packet) error {
 	case size == RTMP_LARGE_HEADER_SIZE:
 		pkt.hasAbsTimestamp = true
 	case size < RTMP_LARGE_HEADER_SIZE:
-		if s.vecChannelsIn[pkt.channel] != nil {
-			*pkt = *(s.vecChannelsIn[pkt.channel])
+		if s.channelsIn[pkt.channel] != nil {
+			*pkt = *(s.channelsIn[pkt.channel])
 		}
 	}
 	size--
@@ -224,13 +224,13 @@ func readPacket(s *Session, pkt *packet) error {
 	pkt.bytesRead += uint32(chunkSize)
 
 	// keep the packet as ref for other packets on this channel
-	if s.vecChannelsIn[pkt.channel] == nil {
-		s.vecChannelsIn[pkt.channel] = &packet{}
+	if s.channelsIn[pkt.channel] == nil {
+		s.channelsIn[pkt.channel] = &packet{}
 	}
-	*(s.vecChannelsIn[pkt.channel]) = *pkt
+	*(s.channelsIn[pkt.channel]) = *pkt
 
 	if extendedTimestamp {
-		s.vecChannelsIn[pkt.channel].timestamp = 0xffffff
+		s.channelsIn[pkt.channel].timestamp = 0xffffff
 	}
 
 	if pkt.bytesRead != pkt.bodySize {
@@ -243,9 +243,9 @@ func readPacket(s *Session, pkt *packet) error {
 	}
 	s.channelTimestamp[pkt.channel] = int32(pkt.timestamp)
 
-	s.vecChannelsIn[pkt.channel].body = nil
-	s.vecChannelsIn[pkt.channel].bytesRead = 0
-	s.vecChannelsIn[pkt.channel].hasAbsTimestamp = false
+	s.channelsIn[pkt.channel].body = nil
+	s.channelsIn[pkt.channel].bytesRead = 0
+	s.channelsIn[pkt.channel].hasAbsTimestamp = false
 	return nil
 }
 
@@ -266,20 +266,20 @@ func sendPacket(s *Session, pkt *packet, queue bool) error {
 		n := int(pkt.channel + 10)
 
 		var pkts []*packet
-		if s.vecChannelsOut == nil {
+		if s.channelsOut == nil {
 			pkts = make([]*packet, n)
 		} else {
-			pkts = append(s.vecChannelsOut[:pkt.channel:pkt.channel], make([]*packet, 10)...)
+			pkts = append(s.channelsOut[:pkt.channel:pkt.channel], make([]*packet, 10)...)
 		}
-		s.vecChannelsOut = pkts
+		s.channelsOut = pkts
 
 		for i := int(s.channelsAllocatedOut); i < n; i++ {
-			s.vecChannelsOut[i] = nil
+			s.channelsOut[i] = nil
 		}
 
 		s.channelsAllocatedOut = int32(n)
 	}
-	prevPkt = s.vecChannelsOut[pkt.channel]
+	prevPkt = s.channelsOut[pkt.channel]
 
 	if prevPkt != nil && pkt.headerType != RTMP_PACKET_SIZE_LARGE {
 		// compress a bit by using the prev packet's attributes
@@ -415,6 +415,7 @@ func sendPacket(s *Session, pkt *packet, queue bool) error {
 		if s.deferred != nil {
 			// Prepend the previously deferred packet and write it with the current one.
 			bytes = append(s.deferred, bytes...)
+			s.deferred = nil
 		}
 		err := writeN(s, bytes)
 		if err != nil {
@@ -465,10 +466,10 @@ func sendPacket(s *Session, pkt *packet, queue bool) error {
 		}
 	}
 
-	if s.vecChannelsOut[pkt.channel] == nil {
-		s.vecChannelsOut[pkt.channel] = &packet{}
+	if s.channelsOut[pkt.channel] == nil {
+		s.channelsOut[pkt.channel] = &packet{}
 	}
-	*(s.vecChannelsOut[pkt.channel]) = *pkt
+	*(s.channelsOut[pkt.channel]) = *pkt
 
 	return nil
 }
diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 125410f3..eb0d5621 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -744,7 +744,7 @@ func handleInvoke(s *Session, body []byte) error {
 		}
 
 	case av_onBWDone:
-		if s.bwCheckCounter == 0 {
+		if s.checkCounter == 0 { // ToDo: why is this always zero?
 			sendCheckBW(s)
 		}
 
diff --git a/rtmp/session.go b/rtmp/session.go
index bd2a9e6d..a402a320 100644
--- a/rtmp/session.go
+++ b/rtmp/session.go
@@ -36,10 +36,9 @@ package rtmp
 // Session holds the state for an RTMP session.
 type Session struct {
 	url                  string
-	timeout              uint
 	inChunkSize          int32
 	outChunkSize         int32
-	bwCheckCounter       int32
+	checkCounter         int32
 	nBytesIn             int32
 	nBytesInSent         int32
 	streamID             int32
@@ -52,8 +51,8 @@ type Session struct {
 	methodCalls          []method
 	channelsAllocatedIn  int32
 	channelsAllocatedOut int32
-	vecChannelsIn        []*packet
-	vecChannelsOut       []*packet
+	channelsIn           []*packet
+	channelsOut          []*packet
 	channelTimestamp     []int32
 	audioCodecs          float64
 	videoCodecs          float64