diff --git a/util/flv_sock.cpp b/util/flv_sock.cpp
new file mode 100644
index 00000000..8d6c55a4
--- /dev/null
+++ b/util/flv_sock.cpp
@@ -0,0 +1,30 @@
+SWBaseSocket::SWBaseError SWBerr;
+char * FLVbuffer;
+int FLV_len;
+int FLVbs = 0;
+
+void FLV_Readheader(SWUnixSocket & ss){
+  static char header[13];
+  while (ss.frecv(header, 13, &SWBerr) != 13){
+    //wait
+  }
+}//FLV_Readheader
+
+void FLV_Dump(){FLV_len = 0;}
+
+bool FLV_GetPacket(SWUnixSocket & ss){
+  if (FLVbs < 15){FLVbuffer = (char*)realloc(FLVbuffer, 15); FLVbs = 15;}
+  //if received a whole header, receive a whole packet
+  //if not, retry header next pass
+  if (FLV_len == 0){
+    if (ss.frecv(FLVbuffer, 11, &SWBerr) == 11){
+      FLV_len = FLVbuffer[3] + 15;
+      FLV_len += (FLVbuffer[2] << 8);
+      FLV_len += (FLVbuffer[1] << 16);
+      if (FLVbs < FLV_len){FLVbuffer = (char*)realloc(FLVbuffer, FLV_len);FLVbs = FLV_len;}
+    }
+  }else{
+    if (ss.frecv(FLVbuffer+11, FLV_len-11, &SWBerr) == FLV_len-11){return true;}
+  }
+  return false;
+}//FLV_GetPacket