2 * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
23 #include <gst/app/gstappsrc.h>
24 #include <gst/app/gstappsink.h>
26 #include "rtsp-stream-transport.h"
34 GST_DEBUG_CATEGORY_STATIC (rtsp_stream_transport_debug);
35 #define GST_CAT_DEFAULT rtsp_stream_transport_debug
37 static void gst_rtsp_stream_transport_finalize (GObject * obj);
39 G_DEFINE_TYPE (GstRTSPStreamTransport, gst_rtsp_stream_transport,
43 gst_rtsp_stream_transport_class_init (GstRTSPStreamTransportClass * klass)
45 GObjectClass *gobject_class;
47 gobject_class = G_OBJECT_CLASS (klass);
49 gobject_class->finalize = gst_rtsp_stream_transport_finalize;
51 GST_DEBUG_CATEGORY_INIT (rtsp_stream_transport_debug, "rtspmediatransport",
52 0, "GstRTSPStreamTransport");
56 gst_rtsp_stream_transport_init (GstRTSPStreamTransport * trans)
61 gst_rtsp_stream_transport_finalize (GObject * obj)
63 GstRTSPStreamTransport *trans;
65 trans = GST_RTSP_STREAM_TRANSPORT (obj);
67 /* remove callbacks now */
68 gst_rtsp_stream_transport_set_callbacks (trans, NULL, NULL, NULL, NULL);
69 gst_rtsp_stream_transport_set_keepalive (trans, NULL, NULL, NULL);
72 gst_rtsp_transport_free (trans->transport);
76 g_object_set_qdata (trans->rtpsource, ssrc_stream_map_key, NULL);
79 G_OBJECT_CLASS (gst_rtsp_stream_transport_parent_class)->finalize (obj);
83 * gst_rtsp_stream_transport_new:
84 * @stream: a #GstRTSPStream
86 * Create a new #GstRTSPStreamTransport that can be used for
89 * Returns: a new #GstRTSPStreamTransport
91 GstRTSPStreamTransport *
92 gst_rtsp_stream_transport_new (GstRTSPStream * stream)
94 GstRTSPStreamTransport *trans;
96 g_return_val_if_fail (GST_IS_RTSP_STREAM (stream), NULL);
98 trans = g_object_new (GST_TYPE_RTSP_STREAM_TRANSPORT, NULL);
99 trans->stream = stream;
105 * gst_rtsp_stream_transport_set_callbacks:
106 * @trans: a #GstRTSPStreamTransport
107 * @send_rtp: (scope notified): a callback called when RTP should be sent
108 * @send_rtcp: (scope notified): a callback called when RTCP should be sent
109 * @user_data: user data passed to callbacks
110 * @notify: called with the user_data when no longer needed.
112 * Install callbacks that will be called when data for a stream should be sent
113 * to a client. This is usually used when sending RTP/RTCP over TCP.
116 gst_rtsp_stream_transport_set_callbacks (GstRTSPStreamTransport * trans,
117 GstRTSPSendFunc send_rtp, GstRTSPSendFunc send_rtcp,
118 gpointer user_data, GDestroyNotify notify)
120 trans->send_rtp = send_rtp;
121 trans->send_rtcp = send_rtcp;
123 trans->notify (trans->user_data);
124 trans->user_data = user_data;
125 trans->notify = notify;
129 * gst_rtsp_stream_transport_set_keepalive:
130 * @trans: a #GstRTSPStreamTransport
131 * @keep_alive: a callback called when the receiver is active
132 * @user_data: user data passed to callback
133 * @notify: called with the user_data when no longer needed.
135 * Install callbacks that will be called when RTCP packets are received from the
136 * receiver of @trans.
139 gst_rtsp_stream_transport_set_keepalive (GstRTSPStreamTransport * trans,
140 GstRTSPKeepAliveFunc keep_alive, gpointer user_data, GDestroyNotify notify)
142 trans->keep_alive = keep_alive;
143 if (trans->ka_notify)
144 trans->ka_notify (trans->ka_user_data);
145 trans->ka_user_data = user_data;
146 trans->ka_notify = notify;
151 * gst_rtsp_stream_transport_set_transport:
152 * @trans: a #GstRTSPStreamTransport
153 * @ct: a client #GstRTSPTransport
155 * Set @ct as the client transport and create and return a matching server
156 * transport. This function takes ownership of the passed @ct.
158 * Returns: a server transport or NULL if something went wrong. Use
159 * gst_rtsp_transport_free () after usage.
162 gst_rtsp_stream_transport_set_transport (GstRTSPStreamTransport * trans,
163 GstRTSPTransport * ct)
165 GstRTSPTransport *st;
167 g_return_val_if_fail (GST_IS_RTSP_STREAM_TRANSPORT (trans), NULL);
168 g_return_val_if_fail (ct != NULL, NULL);
170 /* prepare the server transport */
171 gst_rtsp_transport_new (&st);
173 st->trans = ct->trans;
174 st->profile = ct->profile;
175 st->lower_transport = ct->lower_transport;
177 switch (st->lower_transport) {
178 case GST_RTSP_LOWER_TRANS_UDP:
179 st->client_port = ct->client_port;
180 st->server_port = trans->stream->server_port;
182 case GST_RTSP_LOWER_TRANS_UDP_MCAST:
183 ct->port = st->port = trans->stream->server_port;
184 st->destination = g_strdup (ct->destination);
187 case GST_RTSP_LOWER_TRANS_TCP:
188 st->interleaved = ct->interleaved;
193 if (trans->stream->session)
194 g_object_get (trans->stream->session, "internal-ssrc", &st->ssrc, NULL);
196 /* keep track of the transports in the stream. */
197 if (trans->transport)
198 gst_rtsp_transport_free (trans->transport);
199 trans->transport = ct;