diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index ca790514..81b2bc3a 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -36,12 +36,17 @@ package rtmp
 #include <string.h>
 #include <rtmp.h>
 
+typedef enum {
+  RTMPT_OPEN=0, RTMPT_SEND, RTMPT_IDLE, RTMPT_CLOSE
+} RTMPTCmd;
+
 RTMP* start_session(RTMP* rtmp, char* url, uint connect_timeout);
 int write_frame(RTMP* rtmp, char* data, uint data_length);
 int end_session(RTMP* rtmp);
 void AV_queue(RTMP_METHOD **vals, int *num, AVal *av, int txn);
 int WriteN(RTMP *r, const char *buffer, int n);
 int EncodeInt32LE(char *output, int nVal);
+int HTTP_Post(RTMP *r, RTMPTCmd cmd, const char *buf, int len);
 */
 import "C"
 
@@ -67,6 +72,13 @@ const (
 	int64Size = 8
 )
 
+const (
+	RTMPT_OPEN = iota
+	RTMPT_SEND
+	RTMPT_IDLE
+	RTMPT_CLOSE
+)
+
 const (
 	RTMP_PACKET_SIZE_LARGE  = 0
 	RTMP_PACKET_SIZE_MEDIUM = 1
@@ -427,10 +439,6 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 			nChunkSize = nSize
 		}
 
-		// TODO: figure out what's happening here:
-		// RTMP_LogHexString(RTMP_LOGDEBUG2, (uint8_t *)header, hSize);
-		// RTMP_LogHexString(RTMP_LOGDEBUG2, (uint8_t *)buffer, nChunkSize);
-
 		if tbuf != nil {
 			//memmove(toff, header, uintptr(nChunkSize + hSize))
 			copy(ptrToSlice(toff, int(nChunkSize+hSize)), ptrToSlice(header,
@@ -438,7 +446,7 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 			toff = incBytePtr(toff, nChunkSize + hSize)
 		} else {
 			// TODO: port this
-			wrote = int(C.WriteN(r, (*C.char)(header), C.int(nChunkSize+hSize)))
+			wrote = int(writeN(r, header, nChunkSize+hSize))
 
 			if wrote == 0 {
 				return 0
@@ -484,7 +492,7 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 
 	if tbuf != nil {
 		// TODO: port C.writeN
-		wrote := int(C.WriteN(r, (*C.char)(tbuf), C.int(uintptr(decBytePtr(toff,
+		wrote := int(writeN(r, tbuf, int(uintptr(decBytePtr(toff,
 			int(uintptr(unsafe.Pointer(tbuf))))))))
 		C.free(tbuf)
 		tbuf = nil
@@ -534,64 +542,22 @@ func sendPacket(r *C.RTMP, packet *C.RTMPPacket, queue int) int {
 	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
 	for n > 0 {
 		var nBytes int
 
-		if r.Link.protocol & C.RTMP_FEATURE_HTTP {
+		if (r.Link.protocol & C.RTMP_FEATURE_HTTP) != 0 {
 			// TODO: port HTTP_POST
-			nbytes = int(C.HTTP_POST(r, C.RTMPT_SEND, (*C.char)(ptr), C.int(n)))
+			nBytes = int(C.HTTP_Post(r, RTMPT_SEND, (*C.char)(ptr), C.int(n)))
 		} else {
 			// TODO: port this if necessary
-			nBytes = RTMPSockBuf_Send(&r.m_sb, (*C.char)(ptr), C.int(n))
+			nBytes = int(C.RTMPSockBuf_Send(&r.m_sb, (*C.char)(ptr), C.int(n)))
 		}
 
 		if nBytes < 0 {
-			// TODO: port this
-			sockerr := int(C.GetSockError())
-
 			if debugMode {
-				log.Printf("WriteN, RTMP send error %v (%v bytes)",sockerr, n)
-			}
-
-			if sockerr == C.EINTR && RTMP_ctrlC == 0 {
-				continue
+				log.Println("WriteN, RTMP send error")
 			}
 
 			// TODO: port this
@@ -605,12 +571,17 @@ func writeN(r *C.RTMP, buffer unsafe.Pointer, n int) int {
 		}
 
 		n -= nBytes
-		ptr = incPtr(ptr, nBytes)
+		ptr = incBytePtr(ptr, nBytes)
 	}
 
-	return n == 0
+	if n == 0 {
+		return 1
+	}
+	return 0
 }
 
+
+/*
 // TODO: port RTMP_METHOD
 func avQueue(vals **C.RTMP_METHOD, num *int, av *AVal, txn int ) {
 	var tmp unsafe.Pointer