diff --git a/airplayServer.cpp b/airplayServer.cpp
index 8795d9d..e331960 100755
--- a/airplayServer.cpp
+++ b/airplayServer.cpp
@@ -119,6 +119,11 @@ std::string find_mac() {
     }
     if (!iface_stream) {
         printf("No wlp2s0 \n");
+        iface_stream.open("/sys/class/net/enp8s0/address");
+    }
+    if (!iface_stream) {
+        printf("No enp8s0 \n");
+        printf("No Device found! \n");
         return "";
     }
 
@@ -167,6 +172,7 @@ gboolean draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data) {
 
         cairo_fill (cr);
     }
+
         return FALSE;
 }
 
diff --git a/renderers/video_renderer.h b/renderers/video_renderer.h
index 25e3c6a..37fc067 100644
--- a/renderers/video_renderer.h
+++ b/renderers/video_renderer.h
@@ -67,7 +67,7 @@ void set_video_overlay2(video_renderer_t *renderer, gulong embed_xid);
  *        1: a new connection come
  *       -1: a connection lost
  */
-void video_renderer_update_background(video_renderer_t *renderer, int type, int width, int height);
+void video_renderer_update_background(video_renderer_t *renderer, int type);
 
 #ifdef __cplusplus
 }
diff --git a/renderers/video_renderer_gstreamer.c b/renderers/video_renderer_gstreamer.c
index aa4b3a1..dcb3ae3 100644
--- a/renderers/video_renderer_gstreamer.c
+++ b/renderers/video_renderer_gstreamer.c
@@ -33,6 +33,8 @@
 struct video_renderer_s {
     logger_t *logger;
     GstElement *appsrc, *pipeline, *sink, *decodebin, *videoconvert, *queue;
+    int data_lengh;
+    uint64_t pts;
 
 };
 
@@ -88,7 +90,8 @@ void video_renderer_render_buffer(video_renderer_t *renderer, raop_ntp_t *ntp, u
     GstBuffer *buffer;
 
     assert(data_len != 0);
-
+    renderer->data_lengh = data_len;
+    renderer->pts = pts;
     buffer = gst_buffer_new_and_alloc(data_len);
     assert(buffer != NULL);
     GST_BUFFER_DTS(buffer) = (GstClockTime)pts;
@@ -111,11 +114,18 @@ void video_renderer_destroy(video_renderer_t *renderer) {
     }
 }
 
-void video_renderer_update_background(video_renderer_t *renderer, int type, int width, int height) {
-    
+void video_renderer_update_background(video_renderer_t *renderer, int type) {
+    /*
     if(type==-1) {
-
-        gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
+        GstBuffer *buffer;
+        buffer = gst_buffer_new_and_alloc(renderer->data_lengh);
+        assert(buffer != NULL);
+        GST_BUFFER_DTS(buffer) = (GstClockTime)renderer->pts;
+        memset (buffer,  0xff, renderer->data_lengh);
+        GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_FLAG_CORRUPTED);
+        gst_app_src_push_buffer (GST_APP_SRC(renderer->appsrc), buffer);
+        //gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
     }
+    */
 
 }
\ No newline at end of file