--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "gstudp-marshal.h"
+#include "gstdynudpsink.h"
+#include <gst/net/gstnetbuffer.h>
+
+GST_DEBUG_CATEGORY (dynudpsink_debug);
+#define GST_CAT_DEFAULT (dynudpsink_debug)
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+/* elementfactory information */
+static GstElementDetails gst_dynudpsink_details =
+GST_ELEMENT_DETAILS ("UDP packet sender",
+ "Sink/Network",
+ "Send data over the network via UDP",
+ "Philippe Khalaf <burger@speedy.org>");
+
+/* DynUDPSink signals and args */
+enum
+{
+ /* methods */
+ SIGNAL_GET_STATS,
+
+ /* signals */
+
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ /* FILL ME */
+};
+
+static void gst_dynudpsink_base_init (gpointer g_class);
+static void gst_dynudpsink_class_init (GstDynUDPSink * klass);
+static void gst_dynudpsink_init (GstDynUDPSink * udpsink);
+static void gst_dynudpsink_finalize (GObject * object);
+
+static void gst_dynudpsink_get_times (GstBaseSink * sink, GstBuffer * buffer,
+ GstClockTime * start, GstClockTime * end);
+static GstFlowReturn gst_dynudpsink_render (GstBaseSink * sink,
+ GstBuffer * buffer);
+static void gst_dynudpsink_close (GstDynUDPSink * sink);
+static GstElementStateReturn gst_dynudpsink_change_state (GstElement * element);
+
+static void gst_dynudpsink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_dynudpsink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstElementClass *parent_class = NULL;
+
+static guint gst_dynudpsink_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_dynudpsink_get_type (void)
+{
+ static GType dynudpsink_type = 0;
+
+ if (!dynudpsink_type) {
+ static const GTypeInfo dynudpsink_info = {
+ sizeof (GstDynUDPSinkClass),
+ gst_dynudpsink_base_init,
+ NULL,
+ (GClassInitFunc) gst_dynudpsink_class_init,
+ NULL,
+ NULL,
+ sizeof (GstDynUDPSink),
+ 0,
+ (GInstanceInitFunc) gst_dynudpsink_init,
+ NULL
+ };
+
+ dynudpsink_type =
+ g_type_register_static (GST_TYPE_BASESINK, "GstDynUDPSink",
+ &dynudpsink_info, 0);
+ }
+ return dynudpsink_type;
+}
+
+static void
+gst_dynudpsink_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+
+ gst_element_class_set_details (element_class, &gst_dynudpsink_details);
+}
+
+static void
+gst_dynudpsink_class_init (GstDynUDPSink * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSinkClass *gstbasesink_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesink_class = (GstBaseSinkClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_BASESINK);
+
+ gobject_class->set_property = gst_dynudpsink_set_property;
+ gobject_class->get_property = gst_dynudpsink_get_property;
+ gobject_class->finalize = gst_dynudpsink_finalize;
+
+ gst_dynudpsink_signals[SIGNAL_GET_STATS] =
+ g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstDynUDPSinkClass, get_stats),
+ NULL, NULL, gst_udp_marshal_BOXED__STRING_INT, G_TYPE_VALUE_ARRAY, 2,
+ G_TYPE_STRING, G_TYPE_INT);
+
+ gstelement_class->change_state = gst_dynudpsink_change_state;
+
+ gstbasesink_class->get_times = gst_dynudpsink_get_times;
+ gstbasesink_class->render = gst_dynudpsink_render;
+
+ GST_DEBUG_CATEGORY_INIT (dynudpsink_debug, "dynudpsink", 0, "UDP sink");
+}
+
+
+static void
+gst_dynudpsink_init (GstDynUDPSink * sink)
+{
+}
+
+static void
+gst_dynudpsink_finalize (GObject * object)
+{
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_dynudpsink_get_times (GstBaseSink * sink, GstBuffer * buffer,
+ GstClockTime * start, GstClockTime * end)
+{
+ *start = GST_BUFFER_TIMESTAMP (buffer);
+ *end = *start + GST_BUFFER_DURATION (buffer);
+}
+
+static GstFlowReturn
+gst_dynudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
+{
+ GstDynUDPSink *sink;
+ gint ret, size;
+ guint8 *data;
+ GstNetBuffer *netbuf;
+ struct sockaddr_in theiraddr;
+
+ memset (&theiraddr, 0, sizeof (theiraddr));
+
+ if (GST_IS_NETBUFFER (buffer)) {
+ netbuf = GST_NETBUFFER (buffer);
+ } else {
+ GST_DEBUG ("Received buffer is not a GstNetBuffer, skipping");
+ return GST_FLOW_OK;
+ }
+
+ sink = GST_DYNUDPSINK (bsink);
+
+ size = GST_BUFFER_SIZE (netbuf);
+ data = GST_BUFFER_DATA (netbuf);
+
+ GST_DEBUG ("about to send %d bytes", size);
+ guint16 destport;
+ guint32 destaddr;
+
+ // let's get the address from the netbuffer
+ gst_netaddress_get_ip4_address (&netbuf->to, &destaddr, &destport);
+
+ GST_DEBUG ("sending %d bytes to client %d port %d", size, destaddr, destport);
+
+ theiraddr.sin_family = AF_INET;
+ theiraddr.sin_addr.s_addr = destaddr;
+ theiraddr.sin_port = destport;
+ ret = sendto (sink->sock, data, size, 0,
+ (struct sockaddr *) &theiraddr, sizeof (theiraddr));
+
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN) {
+ goto send_error;
+ }
+ }
+
+ GST_DEBUG ("sent %d bytes", size);
+
+ return GST_FLOW_OK;
+
+send_error:
+ {
+ GST_DEBUG ("got send error %s (%d)", g_strerror (errno), errno);
+ return GST_FLOW_ERROR;
+ }
+}
+
+static void
+gst_dynudpsink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstDynUDPSink *udpsink;
+
+ udpsink = GST_DYNUDPSINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_dynudpsink_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstDynUDPSink *udpsink;
+
+ udpsink = GST_DYNUDPSINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+/* create a socket for sending to remote machine */
+static gboolean
+gst_dynudpsink_init_send (GstDynUDPSink * sink)
+{
+ guint bc_val;
+ gint ret;
+
+ /* create sender socket */
+ if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1)
+ goto no_socket;
+
+ bc_val = 1;
+ if ((ret =
+ setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val,
+ sizeof (bc_val))) < 0)
+ goto no_broadcast;
+
+ return TRUE;
+
+ /* ERRORS */
+no_socket:
+ {
+ perror ("socket");
+ return FALSE;
+ }
+no_broadcast:
+ {
+ perror ("setsockopt");
+ return FALSE;
+ }
+}
+
+GValueArray *
+gst_dynudpsink_get_stats (GstDynUDPSink * sink, const gchar * host, gint port)
+{
+ return NULL;
+}
+
+static void
+gst_dynudpsink_close (GstDynUDPSink * sink)
+{
+ close (sink->sock);
+}
+
+static GstElementStateReturn
+gst_dynudpsink_change_state (GstElement * element)
+{
+ GstElementStateReturn ret;
+ GstDynUDPSink *sink;
+ gint transition;
+
+ sink = GST_DYNUDPSINK (element);
+ transition = GST_STATE_TRANSITION (element);
+
+ switch (transition) {
+ case GST_STATE_READY_TO_PAUSED:
+ if (!gst_dynudpsink_init_send (sink))
+ goto no_init;
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ switch (transition) {
+ case GST_STATE_PAUSED_TO_READY:
+ gst_dynudpsink_close (sink);
+ break;
+ default:
+ break;
+ }
+ return ret;
+
+ /* ERRORS */
+no_init:
+ {
+ return GST_STATE_FAILURE;
+ }
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
+ *
+ * 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.
+ */
+
+#ifndef __GST_DYNUDPSINK_H__
+#define __GST_DYNUDPSINK_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+
+G_BEGIN_DECLS
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <arpa/inet.h>
+#include "gstudp.h"
+
+#define GST_TYPE_DYNUDPSINK (gst_dynudpsink_get_type())
+#define GST_DYNUDPSINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DYNUDPSINK,GstDynUDPSink))
+#define GST_DYNUDPSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DYNUDPSINK,GstDynUDPSink))
+#define GST_IS_DYNUDPSINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DYNUDPSINK))
+#define GST_IS_DYNUDPSINK_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DYNUDPSINK))
+
+typedef struct _GstDynUDPSink GstDynUDPSink;
+typedef struct _GstDynUDPSinkClass GstDynUDPSinkClass;
+
+
+/* sends udp packets to host/port pairs contained in the GstNetBuffer received.
+ */
+struct _GstDynUDPSink {
+ GstBaseSink parent;
+
+ int sock;
+};
+
+struct _GstDynUDPSinkClass {
+ GstBaseSinkClass parent_class;
+
+ /* element methods */
+ GValueArray* (*get_stats) (GstDynUDPSink *sink, const gchar *host, gint port);
+
+ /* signals */
+};
+
+GType gst_dynudpsink_get_type(void);
+
+GValueArray* gst_dynudpsink_get_stats (GstDynUDPSink *sink, const gchar *host, gint port);
+
+G_END_DECLS
+
+#endif /* __GST_DYNUDPSINK_H__ */
projects / platform / upstream / gst-plugins-good.git / commitdiff