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/* GStreamer
* Copyright (C) <2005> Wim Taymans <wim.taymans@gmail.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* Element-Checklist-Version: 5 */
#include "gstrtpdepay.h"
GST_DEBUG_CATEGORY_STATIC (rtpdepay_debug);
#define GST_CAT_DEFAULT (rtpdepay_debug)
/* elementfactory information */
static const GstElementDetails rtpdepay_details =
GST_ELEMENT_DETAILS ("Dummy RTP session manager",
"Codec/Depayloader/Network",
"Accepts raw RTP and RTCP packets and sends them forward",
"Wim Taymans <wim.taymans@gmail.com>");
static GstStaticPadTemplate gst_rtp_depay_src_rtp_template =
GST_STATIC_PAD_TEMPLATE ("srcrtp",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static GstStaticPadTemplate gst_rtp_depay_src_rtcp_template =
GST_STATIC_PAD_TEMPLATE ("srcrtcp",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtcp")
);
static GstStaticPadTemplate gst_rtp_depay_sink_rtp_template =
GST_STATIC_PAD_TEMPLATE ("sinkrtp",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static GstStaticPadTemplate gst_rtp_depay_sink_rtcp_template =
GST_STATIC_PAD_TEMPLATE ("sinkrtcp",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtcp")
);
static void gst_rtp_depay_class_init (GstRTPDepayClass * klass);
static void gst_rtp_depay_init (GstRTPDepay * rtpdepay);
static GstCaps *gst_rtp_depay_getcaps (GstPad * pad);
static GstFlowReturn gst_rtp_depay_chain_rtp (GstPad * pad, GstBuffer * buffer);
static GstFlowReturn gst_rtp_depay_chain_rtcp (GstPad * pad,
GstBuffer * buffer);
static GstElementClass *parent_class = NULL;
/*static guint gst_rtp_depay_signals[LAST_SIGNAL] = { 0 };*/
GType
gst_rtp_depay_get_type (void)
{
static GType rtpdepay_type = 0;
if (!rtpdepay_type) {
static const GTypeInfo rtpdepay_info = {
sizeof (GstRTPDepayClass), NULL,
NULL,
(GClassInitFunc) gst_rtp_depay_class_init,
NULL,
NULL,
sizeof (GstRTPDepay),
0,
(GInstanceInitFunc) gst_rtp_depay_init,
};
rtpdepay_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRTPDepay", &rtpdepay_info,
0);
}
return rtpdepay_type;
}
static void
gst_rtp_depay_class_init (GstRTPDepayClass * klass)
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_depay_src_rtp_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_depay_src_rtcp_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_depay_sink_rtp_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_rtp_depay_sink_rtcp_template));
gst_element_class_set_details (gstelement_class, &rtpdepay_details);
parent_class = g_type_class_peek_parent (klass);
GST_DEBUG_CATEGORY_INIT (rtpdepay_debug, "rtpdepay", 0, "RTP decoder");
}
static void
gst_rtp_depay_init (GstRTPDepay * rtpdepay)
{
/* the input rtp pad */
rtpdepay->sink_rtp =
gst_pad_new_from_static_template (&gst_rtp_depay_sink_rtp_template,
"sinkrtp");
gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->sink_rtp);
gst_pad_set_getcaps_function (rtpdepay->sink_rtp, gst_rtp_depay_getcaps);
gst_pad_set_chain_function (rtpdepay->sink_rtp, gst_rtp_depay_chain_rtp);
/* the input rtcp pad */
rtpdepay->sink_rtcp =
gst_pad_new_from_static_template (&gst_rtp_depay_sink_rtcp_template,
"sinkrtcp");
gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->sink_rtcp);
gst_pad_set_chain_function (rtpdepay->sink_rtcp, gst_rtp_depay_chain_rtcp);
/* the output rtp pad */
rtpdepay->src_rtp =
gst_pad_new_from_static_template (&gst_rtp_depay_src_rtp_template,
"srcrtp");
gst_pad_set_getcaps_function (rtpdepay->src_rtp, gst_rtp_depay_getcaps);
gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->src_rtp);
/* the output rtcp pad */
rtpdepay->src_rtcp =
gst_pad_new_from_static_template (&gst_rtp_depay_src_rtcp_template,
"srcrtcp");
gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->src_rtcp);
}
static GstCaps *
gst_rtp_depay_getcaps (GstPad * pad)
{
GstRTPDepay *src;
GstPad *other;
GstCaps *caps;
src = GST_RTP_DEPAY (GST_PAD_PARENT (pad));
other = pad == src->src_rtp ? src->sink_rtp : src->src_rtp;
caps = gst_pad_peer_get_caps (other);
if (caps == NULL)
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
return caps;
}
static GstFlowReturn
gst_rtp_depay_chain_rtp (GstPad * pad, GstBuffer * buffer)
{
GstRTPDepay *src;
src = GST_RTP_DEPAY (GST_PAD_PARENT (pad));
GST_DEBUG ("got rtp packet");
return gst_pad_push (src->src_rtp, buffer);
}
static GstFlowReturn
gst_rtp_depay_chain_rtcp (GstPad * pad, GstBuffer * buffer)
{
GST_DEBUG ("got rtcp packet");
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
gboolean
gst_rtp_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpdepay",
GST_RANK_NONE, GST_TYPE_RTP_DEPAY);
}
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