diff --git a/src/dcall.c b/src/dcall.c
index 4c39640..bd7d8c7 100644
--- a/src/dcall.c
+++ b/src/dcall.c
@@ -3,6 +3,7 @@
 #include <glib-2.0/gmodule.h>
 #include <glib-2.0/glib-object.h>
 #include <glib-2.0/glib-unix.h>
+#include <gst/rtp/gstrtpbuffer.h>
 
 struct dcall_elements {
   GstElement *pipeline;
@@ -124,7 +125,14 @@ static GstPadProbeReturn jitter_buffer_sink_buffer(GstPad *pad, GstPadProbeInfo
   GstBuffer *buffer = NULL;
   buffer = gst_pad_probe_info_get_buffer (info);
   if (buffer == NULL) return GST_PAD_PROBE_OK;
-  if (gst_buffer_get_size (buffer) != 172)  g_print("buffer size is %ld\n", gst_buffer_get_size (buffer));
+  //if (gst_buffer_get_size (buffer) != 172)  g_print("buffer size is %ld\n", gst_buffer_get_size (buffer));
+
+  GstMapInfo gmi;
+  gst_buffer_map(buffer, &gmi, GST_MAP_READ);
+
+  GstRTPBuffer *rtp_buffer;
+  rtp_buffer->
+
 
   return GST_PAD_PROBE_OK;
 }