diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 6eb43753..b820dd3f 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -92,7 +92,7 @@ func AVC(str string) C.AVal {
 // av_setDataFrame is a static const global in rtmp.c
 var setDataFrame = AVC("@setDataFrame")
 
-var packetSize = [...]int32{ 12, 8, 4, 1}
+var packetSize = [...]int{ 12, 8, 4, 1}
 
 // Session provides an interface for sending flv tags over rtmp.
 type Session interface {
@@ -258,6 +258,7 @@ func rtmpWrite(r *C.RTMP, data []byte) int {
 }
 
 
+// send packet version 1 - less C stuff
 func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 	var prevPacket *C.RTMPPacket
 	last := 0
@@ -289,6 +290,8 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 	prevPacket = *(**C.RTMPPacket)(incPtr(unsafe.Pointer(r.m_vecChannelsOut),
 		int(packet.m_nChannel), int(unsafe.Sizeof(packet))))
 
+
+
 	if prevPacket != nil && packet.m_headerType != RTMP_PACKET_SIZE_LARGE {
 		// compress a bit by using the prev packet's attributes
 		if prevPacket.m_nBodySize == packet.m_nBodySize &&
@@ -313,7 +316,7 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 		return 0
 	}
 
-	nSize = int(*(*int)(incInt32Ptr(unsafe.Pointer(&packetSize[0]),int(packet.m_headerType))))
+	nSize = packetSize[int(packet.m_headerType)]
 	hSize = nSize
 	cSize = 0
 	t = int32(int(packet.m_nTimeStamp) - last)
@@ -356,7 +359,6 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 	case 2:
 		c |= byte(1)
 	}
-
 	*(*byte)(hptr) = c
 	hptr = incBytePtr(hptr,1)
 
@@ -452,7 +454,7 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 			hSize = 1
 
 			if cSize != 0 {
-				header = decBytePtr(header,1)
+				header = decBytePtr(header,cSize)
 				hSize += cSize
 			}
 
@@ -516,21 +518,57 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 		}
 	}
 
-	if unsafe.Pointer((*C.RTMPPacket)(incPtr(unsafe.Pointer(r.m_vecChannelsOut),
-		int(packet.m_nChannel), int(unsafe.Sizeof(packet))))) == nil {
+	if *(**C.RTMPPacket)(incPtr(unsafe.Pointer(r.m_vecChannelsOut),
+		int(packet.m_nChannel), int(unsafe.Sizeof(packet)))) == nil {
 
-		r.m_vecChannelsOut = (**C.RTMPPacket)(C.malloc(C.size_t(unsafe.Sizeof(packet))))
+			*(**C.RTMPPacket)(incPtr(unsafe.Pointer(r.m_vecChannelsOut),
+				int(packet.m_nChannel), int(unsafe.Sizeof(packet)))) =
+					(*C.RTMPPacket)(C.malloc(C.size_t(unsafe.Sizeof(*packet))))
 	}
 
 	//memmove(incPtr(unsafe.Pointer(r.m_vecChannelsOut),int(packet.m_nChannel),
 		//int(unsafe.Sizeof(packet))),unsafe.Pointer(packet), unsafe.Sizeof(packet))
 	dest := ptrToSlice(incPtr(unsafe.Pointer(r.m_vecChannelsOut),int(packet.m_nChannel),
-		int(unsafe.Sizeof(packet))),int(unsafe.Sizeof(packet)))
-	src := ptrToSlice(unsafe.Pointer(packet),int(unsafe.Sizeof(packet)))
+		int(unsafe.Sizeof(packet))),int(unsafe.Sizeof(*packet)))
+	src := ptrToSlice(unsafe.Pointer(packet),int(unsafe.Sizeof(*packet)))
 	copy(dest,src)
 	return 1
 }
 
+
+/*
+func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue C.int ) C.int {
+	prevPacket *C.RTMPPacket
+	var last = 0 C.uint32_t
+	var nSize C.int
+	var hSize, cSize C.int
+	var header, hptr, hend *C.char
+	var hArr [C.RTMP_MAX_HEADER_SIZE]byte
+	hbuf := (*C.char)(unsafe.Pointer(&hArr[0]))
+	var c C.char
+	var t C.uint32_t
+	var buffer, tbuf, toff *C.char
+	var nChunkSize C.int
+	var tlen C.int
+
+	if packet.m_nChannel >= r.m_channelsAllocatedOut {
+		n := packet.m_nChannel + 10
+		packets := (**C.RTMPPacket)(C.realloc(r.m_vecChannelsOut, unsafe.Sizeof(packet) * n))
+
+		if packets != nil {
+			C.free(r.m_vecChannelsOut)
+			r.m_vecChannelsOut = nil
+			r.m_channelsAllocatedOut = 0
+			return 0
+		}
+		r.m_vecChannelsOut = packets
+		C.memset(r.m_vecChannelsOut + r.m_channelsAllocatedOut, 0, unsafe.Sizeof(packet) * (n - r.m_channelsAllocatedOut))
+		r.m_channelsAllocatedOut = n
+	}
+
+	prePacket = r.m_vecChannelsOut[packet.m_nChannel]
+}
+*/
 /*
 func writeN(r *C.RTMP, buffer unsafe.Pointer, n int) int {
 	ptr := buffer