diff --git a/media/mtp/MtpPacket.h b/media/mtp/MtpPacket.h
index 9c8d6da..73963a3 100644
--- a/media/mtp/MtpPacket.h
+++ b/media/mtp/MtpPacket.h
@@ -43,10 +43,13 @@
 
     void                allocate(int length);
     void                dump();
+    void                copyFrom(const MtpPacket& src);
 
     uint16_t            getContainerCode() const;
     void                setContainerCode(uint16_t code);
 
+    uint16_t            getContainerType() const;
+
     MtpTransactionID    getTransactionID() const;
     void                setTransactionID(MtpTransactionID id);