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162 lines
5.1 KiB
C
162 lines
5.1 KiB
C
/* GStreamer
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* Copyright (C) <2005> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* Element-Checklist-Version: 5 */
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#include "gstrtpdepay.h"
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GST_DEBUG_CATEGORY_STATIC (rtpdepay_debug);
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#define GST_CAT_DEFAULT (rtpdepay_debug)
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static GstStaticPadTemplate gst_rtp_depay_src_rtp_template =
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GST_STATIC_PAD_TEMPLATE ("srcrtp",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp")
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);
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static GstStaticPadTemplate gst_rtp_depay_src_rtcp_template =
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GST_STATIC_PAD_TEMPLATE ("srcrtcp",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtcp")
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);
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static GstStaticPadTemplate gst_rtp_depay_sink_rtp_template =
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GST_STATIC_PAD_TEMPLATE ("sinkrtp",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp")
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);
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static GstStaticPadTemplate gst_rtp_depay_sink_rtcp_template =
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GST_STATIC_PAD_TEMPLATE ("sinkrtcp",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtcp")
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);
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static GstCaps *gst_rtp_depay_getcaps (GstPad * pad);
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static GstFlowReturn gst_rtp_depay_chain_rtp (GstPad * pad, GstBuffer * buffer);
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static GstFlowReturn gst_rtp_depay_chain_rtcp (GstPad * pad,
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GstBuffer * buffer);
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GST_BOILERPLATE (GstRTPDepay, gst_rtp_depay, GstElement, GST_TYPE_ELEMENT);
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static void
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gst_rtp_depay_base_init (gpointer klass)
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{
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_depay_src_rtp_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_depay_src_rtcp_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_depay_sink_rtp_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_depay_sink_rtcp_template));
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gst_element_class_set_details_simple (gstelement_class,
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"Dummy RTP session manager", "Codec/Depayloader/Network/RTP",
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"Accepts raw RTP and RTCP packets and sends them forward",
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"Wim Taymans <wim.taymans@gmail.com>");
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}
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static void
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gst_rtp_depay_class_init (GstRTPDepayClass * klass)
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{
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GST_DEBUG_CATEGORY_INIT (rtpdepay_debug, "rtpdepay", 0, "RTP decoder");
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}
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static void
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gst_rtp_depay_init (GstRTPDepay * rtpdepay, GstRTPDepayClass * klass)
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{
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/* the input rtp pad */
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rtpdepay->sink_rtp =
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gst_pad_new_from_static_template (&gst_rtp_depay_sink_rtp_template,
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"sinkrtp");
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gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->sink_rtp);
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gst_pad_set_getcaps_function (rtpdepay->sink_rtp, gst_rtp_depay_getcaps);
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gst_pad_set_chain_function (rtpdepay->sink_rtp, gst_rtp_depay_chain_rtp);
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/* the input rtcp pad */
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rtpdepay->sink_rtcp =
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gst_pad_new_from_static_template (&gst_rtp_depay_sink_rtcp_template,
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"sinkrtcp");
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gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->sink_rtcp);
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gst_pad_set_chain_function (rtpdepay->sink_rtcp, gst_rtp_depay_chain_rtcp);
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/* the output rtp pad */
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rtpdepay->src_rtp =
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gst_pad_new_from_static_template (&gst_rtp_depay_src_rtp_template,
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"srcrtp");
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gst_pad_set_getcaps_function (rtpdepay->src_rtp, gst_rtp_depay_getcaps);
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gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->src_rtp);
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/* the output rtcp pad */
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rtpdepay->src_rtcp =
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gst_pad_new_from_static_template (&gst_rtp_depay_src_rtcp_template,
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"srcrtcp");
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gst_element_add_pad (GST_ELEMENT (rtpdepay), rtpdepay->src_rtcp);
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}
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static GstCaps *
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gst_rtp_depay_getcaps (GstPad * pad)
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{
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GstRTPDepay *src;
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GstPad *other;
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GstCaps *caps;
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src = GST_RTP_DEPAY (GST_PAD_PARENT (pad));
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other = pad == src->src_rtp ? src->sink_rtp : src->src_rtp;
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caps = gst_pad_peer_get_caps (other);
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if (caps == NULL)
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caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
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return caps;
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}
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static GstFlowReturn
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gst_rtp_depay_chain_rtp (GstPad * pad, GstBuffer * buffer)
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{
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GstRTPDepay *src;
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src = GST_RTP_DEPAY (GST_PAD_PARENT (pad));
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GST_DEBUG ("got rtp packet");
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return gst_pad_push (src->src_rtp, buffer);
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}
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static GstFlowReturn
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gst_rtp_depay_chain_rtcp (GstPad * pad, GstBuffer * buffer)
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{
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GST_DEBUG ("got rtcp packet");
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gst_buffer_unref (buffer);
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return GST_FLOW_OK;
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}
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gboolean
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gst_rtp_depay_plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "rtpdepay",
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GST_RANK_SECONDARY, GST_TYPE_RTP_DEPAY);
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}
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