diff --git a/ext/srt/gstsrtserversink.h b/ext/srt/gstsrtserversink.h
new file mode 100644
index 0000000..10eb52b
--- /dev/null
+++ b/ext/srt/gstsrtserversink.h
@@ -0,0 +1,63 @@
+/* GStreamer
+ * Copyright (C) 2017, Collabora Ltd.
+ *   Author:Justin Kim <justin.kim@collabora.com>
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_SRT_SERVER_SINK_H__
+#define __GST_SRT_SERVER_SINK_H__
+
+#include "gstsrtbasesink.h"
+#include <sys/socket.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_SRT_SERVER_SINK              (gst_srt_server_sink_get_type ())
+#define GST_IS_SRT_SERVER_SINK(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SRT_SERVER_SINK))
+#define GST_IS_SRT_SERVER_SINK_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SRT_SERVER_SINK))
+#define GST_SRT_SERVER_SINK_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_SRT_SERVER_SINK, GstSRTServerSinkClass))
+#define GST_SRT_SERVER_SINK(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SRT_SERVER_SINK, GstSRTServerSink))
+#define GST_SRT_SERVER_SINK_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SRT_SERVER_SINK, GstSRTServerSinkClass))
+#define GST_SRT_SERVER_SINK_CAST(obj)         ((GstSRTServerSink*)(obj))
+#define GST_SRT_SERVER_SINK_CLASS_CAST(klass) ((GstSRTServerSinkClass*)(klass))
+
+typedef struct _GstSRTServerSink GstSRTServerSink;
+typedef struct _GstSRTServerSinkClass GstSRTServerSinkClass;
+typedef struct _GstSRTServerSinkPrivate GstSRTServerSinkPrivate;
+
+struct _GstSRTServerSink {
+  GstSRTBaseSink parent;
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstSRTServerSinkClass {
+  GstSRTBaseSinkClass parent_class;
+
+  void (*client_added)      (GstSRTServerSink *self, int sock, struct sockaddr *addr, int addr_len);
+  void (*client_removed)    (GstSRTServerSink *self, int sock, struct sockaddr *addr, int addr_len);
+
+  gpointer _gst_reserved[GST_PADDING_LARGE];
+};
+
+GST_EXPORT
+GType gst_srt_server_sink_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_SRT_SERVER_SINK_H__ */