diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 6c0c9894..2f891493 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -428,10 +428,10 @@ func rtmpSetupUrl(r *C.RTMP, u string) int32 {
 	r.Link.playpath = r.Link.playpath0
 
 	if r.Link.tcUrl.av_len == 0 {
-		r.Link.tcUrl.av_val = url
+		r.Link.tcUrl.av_val = (*C.char)(unsafe.Pointer(url))
 		if r.Link.app.av_len != 0 {
 			if int(uintptr(unsafe.Pointer(r.Link.app.av_val))) <
-				int(uintptr(incBytePtr(url, len))) {
+				int(uintptr(incBytePtr(unsafe.Pointer(url), len))) {
 
 				r.Link.tcUrl.av_len = r.Link.app.av_len +
 					int(uintptr(decBytePtr(r.Link.app.av_val, int(uintptr(unsafe.Pointer(url))))))
@@ -478,7 +478,8 @@ func rtmpSetupUrl(r *C.RTMP, u string) int32 {
 
 func socksSetup(r *RTMP, sockshost *AVal) {
 	if sockshost.av_len != 0 {
-		socksport := strchr((*byte)(sockshost.av_val), ':')
+		socksport := strchr((*byte)(unsafe.Pointer(sockshost.av_val)), ':')
+		hostname := strdup((*byte)(sockshost.av_val))
 	}
 
 }
@@ -1057,6 +1058,16 @@ func avQueue(vals **C.RTMP_METHOD, num *int, av *C.AVal, txn int) {
 		int(unsafe.Sizeof(rtmpMethodPtr))))).name.av_val = (*C.char)(tmp)
 }
 
+// wrapper for converting byte pointer to unsafe.Pointer
+func uBP(b *byte) unsafe.Pointer {
+	return unsafe.Pointer(b)
+}
+
+// wrapper for converting slice to unsafe.pointer
+func uBSP(b []byte) unsafe.Pointer {
+	return unsafe.Pointer(&b[0])
+}
+
 func goStrToCStr(str string) *byte {
 	l := len(str)
 	slice := make([]byte, l+1)