/*
* Microsoft Lync RTP x-data Depayloader 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 tox the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <stdlib.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "fsrtpxdatadepay.h"
static GstStaticPadTemplate fs_rtp_xdata_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"application\", "
"encoding-name = (string) \"X-DATA\"")
);
static GstStaticPadTemplate fs_rtp_xdata_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/octet-stream")
);
static GstBuffer *fs_rtp_xdata_depay_process (GstRTPBaseDepayload * depayload,
GstBuffer * buf);
G_DEFINE_TYPE (FsRTPXdataDepay, fs_rtp_xdata_depay,
GST_TYPE_RTP_BASE_DEPAYLOAD);
static void
fs_rtp_xdata_depay_class_init (FsRTPXdataDepayClass * klass)
{
GstElementClass *gstelement_class;
GstRTPBaseDepayloadClass *gstrtpbasedepayload_class;
gstelement_class = (GstElementClass *) klass;
gstrtpbasedepayload_class = (GstRTPBaseDepayloadClass *) klass;
gstrtpbasedepayload_class->process = fs_rtp_xdata_depay_process;
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&fs_rtp_xdata_depay_src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&fs_rtp_xdata_depay_sink_template));
gst_element_class_set_static_metadata (gstelement_class,
"RTP Depayloader for Microsoft Lync x-data",
"Codec/Depayloader/Network/RTP",
"Extracts data from Microsoft Lync RTP x-data packets",
"Olivier Crete <olivier.crete@collabora.com>");
}
static void
fs_rtp_xdata_depay_init (FsRTPXdataDepay * rtpxdatadepay)
{
GstRTPBaseDepayload *depayload = GST_RTP_BASE_DEPAYLOAD (rtpxdatadepay);
depayload->clock_rate = 90000;
}
static GstBuffer *
fs_rtp_xdata_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
{
GstBuffer *outbuf;
GstRTPBuffer rtp = { NULL };
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp);
outbuf = gst_rtp_buffer_get_payload_buffer (&rtp);
gst_rtp_buffer_unmap (&rtp);
return outbuf;
}
gboolean
fs_rtp_xdata_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "fsrtpxdatadepay",
GST_RANK_SECONDARY, FS_TYPE_RTP_XDATA_DEPAY);
}