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252 lines
6.8 KiB
C
252 lines
6.8 KiB
C
/* GStreamer
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* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
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* Copyright (C) <2012> Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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-1.0 -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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#define UDP_DEFAULT_HOST "localhost"
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#define UDP_DEFAULT_PORT 5004
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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_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 guint gst_udpsink_signals[LAST_SIGNAL] = { 0 }; */
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#define gst_udpsink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstUDPSink, gst_udpsink, GST_TYPE_MULTIUDPSINK,
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G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER, gst_udpsink_uri_handler_init));
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static void
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gst_udpsink_class_init (GstUDPSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) 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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gst_element_class_set_static_metadata (gstelement_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_init (GstUDPSink * udpsink)
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{
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udpsink->host = g_strdup (UDP_DEFAULT_HOST);
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udpsink->port = UDP_DEFAULT_PORT;
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udpsink->uri = g_strdup_printf ("udp://%s:%d", udpsink->host, udpsink->port);
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gst_multiudpsink_add (GST_MULTIUDPSINK (udpsink), udpsink->host,
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udpsink->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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g_free (udpsink->host);
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udpsink->host = NULL;
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g_free (udpsink->uri);
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udpsink->uri = NULL;
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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, GError ** error)
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{
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gst_multiudpsink_remove (GST_MULTIUDPSINK (sink), sink->host, sink->port);
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if (!gst_udp_parse_uri (uri, &sink->host, &sink->port))
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goto wrong_uri;
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g_free (sink->uri);
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sink->uri = g_strdup (uri);
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gst_multiudpsink_add (GST_MULTIUDPSINK (sink), sink->host, sink->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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g_set_error_literal (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
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"Could not parse UDP 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->host, udpsink->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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g_free (udpsink->host);
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udpsink->host = g_strdup (host);
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g_free (udpsink->uri);
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udpsink->uri =
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g_strdup_printf ("udp://%s:%d", udpsink->host, udpsink->port);
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break;
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}
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case PROP_PORT:
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udpsink->port = g_value_get_int (value);
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g_free (udpsink->uri);
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udpsink->uri =
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g_strdup_printf ("udp://%s:%d", udpsink->host, udpsink->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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/* add new host */
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gst_multiudpsink_add (GST_MULTIUDPSINK (udpsink),
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udpsink->host, udpsink->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->host);
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break;
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case PROP_PORT:
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g_value_set_int (value, udpsink->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 (GType type)
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{
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return GST_URI_SINK;
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}
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static const gchar *const *
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gst_udpsink_uri_get_protocols (GType type)
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{
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static const gchar *protocols[] = { "udp", NULL };
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return protocols;
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}
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static 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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return g_strdup (sink->uri);
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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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GError ** error)
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{
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return gst_udpsink_set_uri (GST_UDPSINK (handler), uri, error);
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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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