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298 lines
7.3 KiB
C
298 lines
7.3 KiB
C
/* GStreamer
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* Copyright (C) <2005> Wim Taymans <wim@fluendo.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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/**
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* SECTION:element-udpsink
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* @see_also: udpsrc, multifdsink
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*
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* udpsink is a network sink that sends UDP packets to the network.
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* It can be combined with RTP payloaders to implement RTP streaming.
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*
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* <refsect2>
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* <title>Examples</title>
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* |[
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* gst-launch -v audiotestsrc ! udpsink
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* ]|
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstudpsink.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <errno.h>
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#include <string.h>
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#define UDP_DEFAULT_HOST "localhost"
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#define UDP_DEFAULT_PORT 4951
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/* UDPSink signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_HOST,
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PROP_PORT,
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PROP_URI,
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/* FILL ME */
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};
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static void gst_udpsink_base_init (gpointer g_class);
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static void gst_udpsink_class_init (GstUDPSink * klass);
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static void gst_udpsink_init (GstUDPSink * udpsink);
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static void gst_udpsink_finalize (GstUDPSink * udpsink);
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static void gst_udpsink_uri_handler_init (gpointer g_iface,
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gpointer iface_data);
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static void gst_udpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_udpsink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_udpsink_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_udpsink_get_type (void)
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{
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static GType udpsink_type = 0;
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if (!udpsink_type) {
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static const GTypeInfo udpsink_info = {
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sizeof (GstUDPSinkClass),
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gst_udpsink_base_init,
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NULL,
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(GClassInitFunc) gst_udpsink_class_init,
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NULL,
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NULL,
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sizeof (GstUDPSink),
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0,
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(GInstanceInitFunc) gst_udpsink_init,
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NULL
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};
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static const GInterfaceInfo urihandler_info = {
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gst_udpsink_uri_handler_init,
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NULL,
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NULL
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};
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udpsink_type =
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g_type_register_static (GST_TYPE_MULTIUDPSINK, "GstUDPSink",
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&udpsink_info, 0);
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g_type_add_interface_static (udpsink_type, GST_TYPE_URI_HANDLER,
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&urihandler_info);
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}
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return udpsink_type;
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}
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static void
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gst_udpsink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details_simple (element_class, "UDP packet sender",
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"Sink/Network",
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"Send data over the network via UDP", "Wim Taymans <wim@fluendo.com>");
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}
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static void
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gst_udpsink_class_init (GstUDPSink * klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_udpsink_set_property;
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gobject_class->get_property = gst_udpsink_get_property;
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gobject_class->finalize = (GObjectFinalizeFunc) gst_udpsink_finalize;
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_HOST,
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g_param_spec_string ("host", "host",
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"The host/IP/Multicast group to send the packets to",
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UDP_DEFAULT_HOST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PORT,
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g_param_spec_int ("port", "port", "The port to send the packets to",
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0, 65535, UDP_DEFAULT_PORT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_udpsink_init (GstUDPSink * udpsink)
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{
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gst_udp_uri_init (&udpsink->uri, UDP_DEFAULT_HOST, UDP_DEFAULT_PORT);
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gst_multiudpsink_add (GST_MULTIUDPSINK (udpsink), udpsink->uri.host,
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udpsink->uri.port);
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}
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static void
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gst_udpsink_finalize (GstUDPSink * udpsink)
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{
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gst_udp_uri_free (&udpsink->uri);
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g_free (udpsink->uristr);
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G_OBJECT_CLASS (parent_class)->finalize ((GObject *) udpsink);
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}
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static gboolean
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gst_udpsink_set_uri (GstUDPSink * sink, const gchar * uri)
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{
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gst_multiudpsink_remove (GST_MULTIUDPSINK (sink), sink->uri.host,
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sink->uri.port);
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if (gst_udp_parse_uri (uri, &sink->uri) < 0)
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goto wrong_uri;
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gst_multiudpsink_add (GST_MULTIUDPSINK (sink), sink->uri.host,
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sink->uri.port);
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return TRUE;
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/* ERRORS */
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wrong_uri:
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{
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GST_ELEMENT_ERROR (sink, RESOURCE, READ, (NULL),
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("error parsing uri %s", uri));
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return FALSE;
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}
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}
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static void
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gst_udpsink_set_property (GObject * object, guint prop_id, const GValue * value,
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GParamSpec * pspec)
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{
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GstUDPSink *udpsink;
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udpsink = GST_UDPSINK (object);
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/* remove old host */
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gst_multiudpsink_remove (GST_MULTIUDPSINK (udpsink),
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udpsink->uri.host, udpsink->uri.port);
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switch (prop_id) {
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case PROP_HOST:
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{
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const gchar *host;
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host = g_value_get_string (value);
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if (host)
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gst_udp_uri_update (&udpsink->uri, host, -1);
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else
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gst_udp_uri_update (&udpsink->uri, UDP_DEFAULT_HOST, -1);
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break;
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}
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case PROP_PORT:
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gst_udp_uri_update (&udpsink->uri, NULL, g_value_get_int (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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/* add new host */
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gst_multiudpsink_add (GST_MULTIUDPSINK (udpsink),
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udpsink->uri.host, udpsink->uri.port);
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}
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static void
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gst_udpsink_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstUDPSink *udpsink;
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udpsink = GST_UDPSINK (object);
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switch (prop_id) {
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case PROP_HOST:
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g_value_set_string (value, udpsink->uri.host);
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break;
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case PROP_PORT:
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g_value_set_int (value, udpsink->uri.port);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/*** GSTURIHANDLER INTERFACE *************************************************/
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static GstURIType
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gst_udpsink_uri_get_type (void)
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{
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return GST_URI_SINK;
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}
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static gchar **
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gst_udpsink_uri_get_protocols (void)
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{
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static gchar *protocols[] = { (char *) "udp", NULL };
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return protocols;
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}
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static const gchar *
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gst_udpsink_uri_get_uri (GstURIHandler * handler)
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{
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GstUDPSink *sink = GST_UDPSINK (handler);
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g_free (sink->uristr);
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sink->uristr = gst_udp_uri_string (&sink->uri);
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return sink->uristr;
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}
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static gboolean
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gst_udpsink_uri_set_uri (GstURIHandler * handler, const gchar * uri)
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{
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gboolean ret;
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GstUDPSink *sink = GST_UDPSINK (handler);
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ret = gst_udpsink_set_uri (sink, uri);
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return ret;
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}
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static void
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gst_udpsink_uri_handler_init (gpointer g_iface, gpointer iface_data)
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{
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GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
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iface->get_type = gst_udpsink_uri_get_type;
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iface->get_protocols = gst_udpsink_uri_get_protocols;
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iface->get_uri = gst_udpsink_uri_get_uri;
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iface->set_uri = gst_udpsink_uri_set_uri;
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}
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