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397 lines
10 KiB
C
397 lines
10 KiB
C
/* GStreamer
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* Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
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* Copyright (C) <2005> Nokia Corporation <kai.vehmanen@nokia.com>
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* Copyright (C) <2006> Joni Valtanen <joni.valtanen@movial.fi>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstudp-marshal.h"
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#include "gstdynudpsink.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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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <sys/types.h>
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#include <gst/netbuffer/gstnetbuffer.h>
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GST_DEBUG_CATEGORY_STATIC (dynudpsink_debug);
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#define GST_CAT_DEFAULT (dynudpsink_debug)
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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/* DynUDPSink signals and args */
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enum
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{
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/* methods */
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SIGNAL_GET_STATS,
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/* signals */
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/* FILL ME */
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LAST_SIGNAL
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};
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#define UDP_DEFAULT_SOCKFD -1
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#define UDP_DEFAULT_CLOSEFD TRUE
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enum
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{
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PROP_0,
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PROP_SOCKFD,
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PROP_CLOSEFD
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};
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#define CLOSE_IF_REQUESTED(udpctx) \
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G_STMT_START { \
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if ((!udpctx->externalfd) || (udpctx->externalfd && udpctx->closefd)) { \
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CLOSE_SOCKET(udpctx->sock); \
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if (udpctx->sock == udpctx->sockfd) \
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udpctx->sockfd = UDP_DEFAULT_SOCKFD; \
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} \
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udpctx->sock = -1; \
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} G_STMT_END
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static void gst_dynudpsink_base_init (gpointer g_class);
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static void gst_dynudpsink_class_init (GstDynUDPSink * klass);
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static void gst_dynudpsink_init (GstDynUDPSink * udpsink);
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static void gst_dynudpsink_finalize (GObject * object);
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static GstFlowReturn gst_dynudpsink_render (GstBaseSink * sink,
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GstBuffer * buffer);
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static void gst_dynudpsink_close (GstDynUDPSink * sink);
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static GstStateChangeReturn gst_dynudpsink_change_state (GstElement * element,
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GstStateChange transition);
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static void gst_dynudpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_dynudpsink_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_dynudpsink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_dynudpsink_get_type (void)
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{
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static GType dynudpsink_type = 0;
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if (!dynudpsink_type) {
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static const GTypeInfo dynudpsink_info = {
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sizeof (GstDynUDPSinkClass),
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gst_dynudpsink_base_init,
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NULL,
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(GClassInitFunc) gst_dynudpsink_class_init,
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NULL,
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NULL,
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sizeof (GstDynUDPSink),
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0,
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(GInstanceInitFunc) gst_dynudpsink_init,
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NULL
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};
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dynudpsink_type =
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g_type_register_static (GST_TYPE_BASE_SINK, "GstDynUDPSink",
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&dynudpsink_info, 0);
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}
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return dynudpsink_type;
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}
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static void
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gst_dynudpsink_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_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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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",
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"Philippe Khalaf <burger@speedy.org>");
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}
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static void
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gst_dynudpsink_class_init (GstDynUDPSink * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_dynudpsink_set_property;
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gobject_class->get_property = gst_dynudpsink_get_property;
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gobject_class->finalize = gst_dynudpsink_finalize;
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gst_dynudpsink_signals[SIGNAL_GET_STATS] =
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g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstDynUDPSinkClass, get_stats),
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NULL, NULL, gst_udp_marshal_BOXED__STRING_INT, G_TYPE_VALUE_ARRAY, 2,
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G_TYPE_STRING, G_TYPE_INT);
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g_object_class_install_property (gobject_class, PROP_SOCKFD,
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g_param_spec_int ("sockfd", "socket handle",
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"Socket to use for UDP sending. (-1 == allocate)",
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-1, G_MAXINT16, UDP_DEFAULT_SOCKFD,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_CLOSEFD,
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g_param_spec_boolean ("closefd", "Close sockfd",
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"Close sockfd if passed as property on state change",
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UDP_DEFAULT_CLOSEFD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gstelement_class->change_state = gst_dynudpsink_change_state;
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gstbasesink_class->render = gst_dynudpsink_render;
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GST_DEBUG_CATEGORY_INIT (dynudpsink_debug, "dynudpsink", 0, "UDP sink");
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}
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static void
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gst_dynudpsink_init (GstDynUDPSink * sink)
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{
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WSA_STARTUP (sink);
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sink->sockfd = UDP_DEFAULT_SOCKFD;
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sink->closefd = UDP_DEFAULT_CLOSEFD;
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sink->externalfd = FALSE;
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sink->sock = -1;
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}
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static void
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gst_dynudpsink_finalize (GObject * object)
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{
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GstDynUDPSink *udpsink;
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udpsink = GST_DYNUDPSINK (object);
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if (udpsink->sockfd >= 0 && udpsink->closefd)
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CLOSE_SOCKET (udpsink->sockfd);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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WSA_CLEANUP (object);
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}
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static GstFlowReturn
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gst_dynudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
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{
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GstDynUDPSink *sink;
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gint ret, size;
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guint8 *data;
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GstNetBuffer *netbuf;
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struct sockaddr_in theiraddr;
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guint16 destport;
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guint32 destaddr;
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memset (&theiraddr, 0, sizeof (theiraddr));
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if (GST_IS_NETBUFFER (buffer)) {
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netbuf = GST_NETBUFFER (buffer);
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} else {
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GST_DEBUG ("Received buffer is not a GstNetBuffer, skipping");
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return GST_FLOW_OK;
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}
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sink = GST_DYNUDPSINK (bsink);
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size = GST_BUFFER_SIZE (netbuf);
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data = GST_BUFFER_DATA (netbuf);
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GST_DEBUG ("about to send %d bytes", size);
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// let's get the address from the netbuffer
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gst_netaddress_get_ip4_address (&netbuf->to, &destaddr, &destport);
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GST_DEBUG ("sending %d bytes to client %d port %d", size, destaddr, destport);
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theiraddr.sin_family = AF_INET;
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theiraddr.sin_addr.s_addr = destaddr;
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theiraddr.sin_port = destport;
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#ifdef G_OS_WIN32
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ret = sendto (sink->sock, (char *) data, size, 0,
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#else
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ret = sendto (sink->sock, data, size, 0,
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#endif
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(struct sockaddr *) &theiraddr, sizeof (theiraddr));
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if (ret < 0) {
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if (errno != EINTR && errno != EAGAIN) {
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goto send_error;
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}
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}
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GST_DEBUG ("sent %d bytes", size);
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return GST_FLOW_OK;
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send_error:
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{
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GST_DEBUG ("got send error %s (%d)", g_strerror (errno), errno);
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return GST_FLOW_ERROR;
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}
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}
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static void
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gst_dynudpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstDynUDPSink *udpsink;
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udpsink = GST_DYNUDPSINK (object);
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switch (prop_id) {
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case PROP_SOCKFD:
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if (udpsink->sockfd >= 0 && udpsink->sockfd != udpsink->sock &&
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udpsink->closefd)
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CLOSE_SOCKET (udpsink->sockfd);
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udpsink->sockfd = g_value_get_int (value);
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GST_DEBUG ("setting SOCKFD to %d", udpsink->sockfd);
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break;
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case PROP_CLOSEFD:
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udpsink->closefd = g_value_get_boolean (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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}
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static void
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gst_dynudpsink_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstDynUDPSink *udpsink;
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udpsink = GST_DYNUDPSINK (object);
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switch (prop_id) {
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case PROP_SOCKFD:
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g_value_set_int (value, udpsink->sockfd);
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break;
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case PROP_CLOSEFD:
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g_value_set_boolean (value, udpsink->closefd);
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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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/* create a socket for sending to remote machine */
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static gboolean
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gst_dynudpsink_init_send (GstDynUDPSink * sink)
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{
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guint bc_val;
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if (sink->sockfd == -1) {
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/* create sender socket if none available */
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if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
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goto no_socket;
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bc_val = 1;
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if (setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val,
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sizeof (bc_val)) < 0)
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goto no_broadcast;
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sink->externalfd = TRUE;
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} else {
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sink->sock = sink->sockfd;
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sink->externalfd = TRUE;
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}
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return TRUE;
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/* ERRORS */
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no_socket:
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{
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perror ("socket");
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return FALSE;
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}
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no_broadcast:
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{
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perror ("setsockopt");
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CLOSE_IF_REQUESTED (sink);
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return FALSE;
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}
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}
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GValueArray *
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gst_dynudpsink_get_stats (GstDynUDPSink * sink, const gchar * host, gint port)
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{
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return NULL;
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}
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static void
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gst_dynudpsink_close (GstDynUDPSink * sink)
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{
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CLOSE_IF_REQUESTED (sink);
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}
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static GstStateChangeReturn
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gst_dynudpsink_change_state (GstElement * element, GstStateChange transition)
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{
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GstStateChangeReturn ret;
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GstDynUDPSink *sink;
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sink = GST_DYNUDPSINK (element);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (!gst_dynudpsink_init_send (sink))
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goto no_init;
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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gst_dynudpsink_close (sink);
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break;
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default:
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break;
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}
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return ret;
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/* ERRORS */
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no_init:
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{
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return GST_STATE_CHANGE_FAILURE;
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}
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}
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