Updated packet code

Author: djthorpe

packet.go

@@ -1,6 +1,8 @@
 package media
 
 import (
+	"encoding/json"
+
 	// Packages
 	ff "github.com/mutablelogic/go-media/sys/ffmpeg61"
 )
@@ -9,8 +11,7 @@ import (
 // TYPES
 
 type packet struct {
-	X string `json:"type"`
-	*ff.AVPacket
+	ctx *ff.AVPacket
 }
 
 var _ Packet = (*packet)(nil)
@@ -19,5 +20,17 @@ var _ Packet = (*packet)(nil)
 // LIFECYCLE
 
 func newPacket(ctx *ff.AVPacket) *packet {
-	return &packet{"X", ctx}
+	return &packet{ctx}
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// STRINGIFY
+
+func (packet *packet) MarshalJSON() ([]byte, error) {
+	return json.Marshal(packet.ctx)
+}
+
+func (packet *packet) String() string {
+	data, _ := json.MarshalIndent(packet, "", "  ")
+	return string(data)
 }