diff --git a/mpp/base/inc/mpp_packet_impl.h b/mpp/base/inc/mpp_packet_impl.h
index 250bc584..0e85d191 100644
--- a/mpp/base/inc/mpp_packet_impl.h
+++ b/mpp/base/inc/mpp_packet_impl.h
@@ -51,6 +51,9 @@ typedef struct MppPacketImpl_t {
     MppMeta     meta;
 } MppPacketImpl;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 /*
  * mpp_packet_reset is only used internelly and should NOT be used outside
  */
@@ -59,4 +62,8 @@ MPP_RET mpp_packet_reset(MppPacketImpl *packet);
 /* pointer check function */
 MPP_RET check_is_mpp_packet(void *ptr);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /*__MPP_PACKET_IMPL_H__*/
diff --git a/mpp/base/mpp_packet.cpp b/mpp/base/mpp_packet.cpp
index 00a78809..6cb59f58 100644
--- a/mpp/base/mpp_packet.cpp
+++ b/mpp/base/mpp_packet.cpp
@@ -255,7 +255,14 @@ MPP_RET mpp_packet_reset(MppPacketImpl *packet)
     if (check_is_mpp_packet(packet))
         return MPP_ERR_UNKNOW;
 
+    void *data = packet->data;
+    size_t size = packet->size;
+
     memset(packet, 0, sizeof(*packet));
+
+    packet->data = data;
+    packet->pos  = data;
+    packet->size = size;
     setup_mpp_packet_name(packet);
     return MPP_OK;
 }