diff --git a/packet/MpegTs.go b/packet/MpegTs.go
index f22a9746..71024e0a 100644
--- a/packet/MpegTs.go
+++ b/packet/MpegTs.go
@@ -28,19 +28,50 @@ LICENSE
 
 package packet
 
+import (
+	"strconv"
+)
+
+// Length of some fields in bits
+const (
+	SyncByteLength = 8
+	TEILength      = 1
+	PUSILength     = 1
+	PriorityLength = 1
+	PIDLength      = 13
+	TSCLength      = 2
+	AFCLength      = 2
+	CCLength       = 4
+)
+
+// Index of the fields
+const (
+	SyncByteIndex = 0
+	TEIIndex      = SyncByteIndex + SyncByteLength
+	PUSIIndex     = TEIIndex + TEILength
+	PriorityIndex = PUSIIndex + PUSILength
+	PIDIndex      = PriorityIndex + PriorityLength
+	TSCIndex      = PIDIndex + PIDLength
+	AFCIndex      = TSCIndex + TSCLength
+	CCIndex       = AFCIndex + AFCLength
+	AFIndex       = CCIndex + CCLength
+)
+
 type MpegTsPacket struct {
-	SyncByte      byte
-	TEI           bool
-	PUSI          bool
-	Priority      bool
-	PID           uint
-	TSC           byte
-	AFC           byte
-	CC            byte
-	AdaptionField []byte
-	Payload       []byte
+	SyncByte byte
+	TEI      bool // Transport Error Indicator
+	PUSI     bool // Payload Unit Start Indicator
+	Priority bool
+	PID      int
+	TSC      byte   // Transport Scrambling Control
+	AFC      byte   // Adaption Field Control
+	CC       int    // Continuity Counter
+	AF       []byte // Adaption Field
+	Payload  []byte
 }
 
-type (p *MpegTsPacket) toByteSlice() []byte {
-
+func getHex()
+func (p *MpegTsPacket) toByteSlice() (output []byte) {
+	output[0] = p.SyncByte
+  output[1] =
 }