1 files changed, 117 insertions, 0 deletions
diff --git a/gst/fsrtpxdata/fsrtpxdatapay.c b/gst/fsrtpxdata/fsrtpxdatapay.c
new file mode 100644
index 00000000..338d3c33
--- /dev/null
+++ b/gst/fsrtpxdata/fsrtpxdatapay.c
@@ -0,0 +1,117 @@
+/*
+ * Microsoft Lync RTP x-data Payloader Gst Element
+ *
+ * Copyright 2014 Collabora Ltd.
+ *   @author: Olivier Crete <olivier.crete@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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "fsrtpxdatapay.h"
+#include <gst/rtp/gstrtpbuffer.h>
+
+GST_DEBUG_CATEGORY_STATIC (rtpxdatapay_debug);
+#define GST_CAT_DEFAULT (rtpxdatapay_debug)
+
+static GstStaticPadTemplate fs_rtp_xdata_pay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("application/octet-stream")
+    );
+
+static GstStaticPadTemplate fs_rtp_xdata_pay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("application/x-rtp, "
+        "media = (string) \"application\", "
+        "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
+        "clock-rate = (int) 90000, "
+        "encoding-name = (string) \"X-DATA\"")
+    );
+
+static gboolean fs_rtp_xdata_pay_setcaps (GstRTPBasePayload * payload,
+    GstCaps * caps);
+static GstFlowReturn fs_rtp_xdata_pay_handle_buffer (GstRTPBasePayload *payload,
+    GstBuffer *buffer);
+
+G_DEFINE_TYPE (FsRTPXdataPay, fs_rtp_xdata_pay,
+    GST_TYPE_RTP_BASE_PAYLOAD);
+
+static void
+fs_rtp_xdata_pay_class_init (FsRTPXdataPayClass * klass)
+{
+  GstElementClass *gstelement_class;
+  GstRTPBasePayloadClass *gstrtpbasepayload_class;
+
+  gstelement_class = (GstElementClass *) klass;
+  gstrtpbasepayload_class = (GstRTPBasePayloadClass *) klass;
+
+  gstrtpbasepayload_class->set_caps = fs_rtp_xdata_pay_setcaps;
+  gstrtpbasepayload_class->handle_buffer = fs_rtp_xdata_pay_handle_buffer;
+
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&fs_rtp_xdata_pay_sink_template));
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&fs_rtp_xdata_pay_src_template));
+  gst_element_class_set_static_metadata (gstelement_class,
+      "RTP Payloader for Microsoft Lync x-data", "Codec/Payloader/Network/RTP",
+      "Packetize Microsoft Lync x-data streams into RTP packets",
+      "Olivier Crete <olivier.crete@collabora.com>");
+
+  GST_DEBUG_CATEGORY_INIT (rtpxdatapay_debug, "fsrtpxdatapay", 0,
+      "Microsoft Lync x-data RTP payloader");
+}
+
+static void
+fs_rtp_xdata_pay_init (FsRTPXdataPay * rtpxdatapay)
+{
+  GstRTPBasePayload *rtpbasepayload;
+
+  rtpbasepayload = GST_RTP_BASE_PAYLOAD (rtpxdatapay);
+
+  gst_rtp_base_payload_set_options (rtpbasepayload, "application", TRUE,
+      "X-DATA", 90000);
+}
+
+static gboolean
+fs_rtp_xdata_pay_setcaps (GstRTPBasePayload * rtpbasepayload, GstCaps * caps)
+{
+  return gst_rtp_base_payload_set_outcaps (rtpbasepayload, NULL);
+}
+
+static GstFlowReturn
+fs_rtp_xdata_pay_handle_buffer (GstRTPBasePayload *payload, GstBuffer *buffer)
+{
+  GstBuffer *rtpbuf;
+
+  rtpbuf = gst_rtp_buffer_new_allocate (0, 0, 0);
+  rtpbuf = gst_buffer_append (rtpbuf, buffer);
+
+  return gst_rtp_base_payload_push (payload, rtpbuf);
+}
+
+gboolean
+fs_rtp_xdata_pay_plugin_init (GstPlugin * plugin)
+{
+  return gst_element_register (plugin, "fsrtpxdatapay",
+      GST_RANK_SECONDARY, FS_TYPE_RTP_XDATA_PAY);
+}