diff --git a/rtmp/rtmp_headers.go b/rtmp/rtmp_headers.go
index b20268ec..a45afd69 100644
--- a/rtmp/rtmp_headers.go
+++ b/rtmp/rtmp_headers.go
@@ -39,17 +39,19 @@ const (
 )
 
 const (
-	RTMP_PACKET_TYPE_CHUNK_SIZE        = 0x01
-	RTMP_PACKET_TYPE_BYTES_READ_REPORT = 0x03
-	RTMP_PACKET_TYPE_CONTROL           = 0x04
-	RTMP_PACKET_TYPE_SERVER_BW         = 0x05
-	RTMP_PACKET_TYPE_CLIENT_BW         = 0x06
-	RTMP_PACKET_TYPE_AUDIO             = 0x08
-	RTMP_PACKET_TYPE_VIDEO             = 0x09
-	RTMP_PACKET_TYPE_FLEX_MESSAGE      = 0x11
-	RTMP_PACKET_TYPE_INFO              = 0x12
-	RTMP_PACKET_TYPE_INVOKE            = 0x14
-	RTMP_PACKET_TYPE_FLASH_VIDEO       = 0x16
+	RTMP_PACKET_TYPE_CHUNK_SIZE         = 0x01
+	RTMP_PACKET_TYPE_BYTES_READ_REPORT  = 0x03
+	RTMP_PACKET_TYPE_CONTROL            = 0x04
+	RTMP_PACKET_TYPE_SERVER_BW          = 0x05
+	RTMP_PACKET_TYPE_CLIENT_BW          = 0x06
+	RTMP_PACKET_TYPE_AUDIO              = 0x08
+	RTMP_PACKET_TYPE_VIDEO              = 0x09
+	RTMP_PACKET_TYPE_FLEX_STREAM_SEND   = 0x0F
+	RTMP_PACKET_TYPE_FLEX_SHARED_OBJECT = 0x10
+	RTMP_PACKET_TYPE_FLEX_MESSAGE       = 0x11
+	RTMP_PACKET_TYPE_INFO               = 0x12
+	RTMP_PACKET_TYPE_INVOKE             = 0x14
+	RTMP_PACKET_TYPE_FLASH_VIDEO        = 0x16
 )
 
 const (
@@ -58,16 +60,25 @@ const (
 	RTMP_PACKET_SIZE_SMALL   = 2
 	RTMP_PACKET_SIZE_MINIMUM = 3
 )
-
 const (
-	RTMP_READ_HEADER  = 0x01
-	RTMP_READ_SEEKING = 0x2
+	RTMP_READ_HEADER    = 0x01
+	RTMP_READ_RESUME    = 0x02
+	RTMP_READ_NO_IGNORE = 0x04
+	RTMP_READ_GOTKF     = 0x08
+	RTMP_READ_GOTFLVK   = 0x10
+	RTMP_READ_SEEKING   = 0x20
+	RTMP_READ_COMPLETE  = -3
+	RTMP_READ_ERROR     = -2
+	RTMP_READ_EOF       = -1
+	RTMP_READ_IGNORE    = 0
 )
 
 const (
 	RTMP_LF_AUTH = 0x0001 /* using auth param */
 	RTMP_LF_LIVE = 0x0002 /* stream is live */
+	RTMP_LF_SWFV = 0x0004 /* do SWF verification */
 	RTMP_LF_PLST = 0x0008 /* send playlist before play */
+	RTMP_LF_BUFX = 0x0010 /* toggle stream on BufferEmpty msg */
 	RTMP_LF_FTCU = 0x0020 /* free tcUrl on close */
 	RTMP_LF_FAPU = 0x0040 /* free app on close */
 )
@@ -78,6 +89,7 @@ const (
 	RTMP_FEATURE_SSL   = 0x04
 	RTMP_FEATURE_MFP   = 0x08 /* not yet supported */
 	RTMP_FEATURE_WRITE = 0x10 /* publish, not play */
+	RTMP_FEATURE_HTTP2 = 0x20 /* server-side rtmpt */
 )
 
 const (
@@ -133,7 +145,7 @@ type C_RTMPSockBuf struct {
 	sb_ssl      uintptr
 }
 
-// #define RTMPPacket_IsReady(a)
+// RTMPPacket_IsReady(a)
 // rtmp.h +142
 func C_RTMPPacket_IsReady(p *C_RTMPPacket) int {
 	if p.m_nBytesRead == p.m_nBodySize {