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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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tcpclientsink: Port to GIO
This commit is contained in:
Sebastian Dröge
parent
075ec8b4e4
commit
2a2acedde0
2 changed files with 172 additions and 122 deletions
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@ -1,6 +1,8 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
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* Copyright (C) <2011> 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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@ -20,7 +22,7 @@
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/**
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* SECTION:element-tcpclientsink
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* @see_also: #tcpclientsrc
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* @see_also: #tcpclientsink
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*
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* <refsect2>
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* <title>Example launch line</title>
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@ -28,7 +30,7 @@
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* # server:
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* nc -l -p 3000
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* # client:
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* gst-launch fdsrc fd=1 ! tcpclientsink port=3000
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* gst-launch fdsink fd=1 ! tcpclientsink port=3000
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* ]| everything you type in the client is shown on the server
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* </refsect2>
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*/
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@ -37,9 +39,9 @@
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#include "config.h"
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#endif
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#include <gst/gst-i18n-plugin.h>
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#include "gsttcp.h"
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#include "gsttcpclientsink.h"
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#include <string.h> /* memset */
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/* TCPClientSink signals and args */
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enum
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@ -54,9 +56,9 @@ GST_DEBUG_CATEGORY_STATIC (tcpclientsink_debug);
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enum
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{
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ARG_0,
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ARG_HOST,
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ARG_PORT
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PROP_0,
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PROP_HOST,
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PROP_PORT
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};
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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@ -70,8 +72,10 @@ static gboolean gst_tcp_client_sink_setcaps (GstBaseSink * bsink,
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GstCaps * caps);
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static GstFlowReturn gst_tcp_client_sink_render (GstBaseSink * bsink,
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GstBuffer * buf);
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static GstStateChangeReturn gst_tcp_client_sink_change_state (GstElement *
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element, GstStateChange transition);
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static gboolean gst_tcp_client_sink_start (GstBaseSink * bsink);
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static gboolean gst_tcp_client_sink_stop (GstBaseSink * bsink);
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static gboolean gst_tcp_client_sink_unlock (GstBaseSink * bsink);
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static gboolean gst_tcp_client_sink_unlock_stop (GstBaseSink * bsink);
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static void gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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@ -101,10 +105,10 @@ gst_tcp_client_sink_class_init (GstTCPClientSinkClass * klass)
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gobject_class->get_property = gst_tcp_client_sink_get_property;
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gobject_class->finalize = gst_tcp_client_sink_finalize;
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g_object_class_install_property (gobject_class, ARG_HOST,
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g_object_class_install_property (gobject_class, PROP_HOST,
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g_param_spec_string ("host", "Host", "The host/IP to send the packets to",
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TCP_DEFAULT_HOST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, ARG_PORT,
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g_object_class_install_property (gobject_class, PROP_PORT,
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g_param_spec_int ("port", "Port", "The port to send the packets to",
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0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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@ -117,10 +121,12 @@ gst_tcp_client_sink_class_init (GstTCPClientSinkClass * klass)
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"Send data as a client over the network via TCP",
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"Thomas Vander Stichele <thomas at apestaart dot org>");
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gstelement_class->change_state = gst_tcp_client_sink_change_state;
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gstbasesink_class->start = gst_tcp_client_sink_start;
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gstbasesink_class->stop = gst_tcp_client_sink_stop;
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gstbasesink_class->set_caps = gst_tcp_client_sink_setcaps;
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gstbasesink_class->render = gst_tcp_client_sink_render;
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gstbasesink_class->unlock = gst_tcp_client_sink_unlock;
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gstbasesink_class->unlock_stop = gst_tcp_client_sink_unlock_stop;
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GST_DEBUG_CATEGORY_INIT (tcpclientsink_debug, "tcpclientsink", 0, "TCP sink");
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}
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@ -131,7 +137,9 @@ gst_tcp_client_sink_init (GstTCPClientSink * this)
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this->host = g_strdup (TCP_DEFAULT_HOST);
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this->port = TCP_DEFAULT_PORT;
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this->sock_fd.fd = -1;
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this->socket = NULL;
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this->cancellable = g_cancellable_new ();
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GST_OBJECT_FLAG_UNSET (this, GST_TCP_CLIENT_SINK_OPEN);
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}
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@ -140,7 +148,16 @@ gst_tcp_client_sink_finalize (GObject * gobject)
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{
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GstTCPClientSink *this = GST_TCP_CLIENT_SINK (gobject);
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if (this->cancellable)
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g_object_unref (this->cancellable);
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this->cancellable = NULL;
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if (this->socket)
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g_object_unref (this->socket);
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this->socket = NULL;
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g_free (this->host);
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this->host = NULL;
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G_OBJECT_CLASS (parent_class)->finalize (gobject);
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}
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@ -154,10 +171,11 @@ gst_tcp_client_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
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static GstFlowReturn
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gst_tcp_client_sink_render (GstBaseSink * bsink, GstBuffer * buf)
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{
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size_t wrote = 0;
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GstTCPClientSink *sink;
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guint8 *data;
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gsize size;
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gsize size, written = 0;
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gssize rret;
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GError *err = NULL;
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sink = GST_TCP_CLIENT_SINK (bsink);
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@ -169,24 +187,39 @@ gst_tcp_client_sink_render (GstBaseSink * bsink, GstBuffer * buf)
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size);
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/* write buffer data */
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wrote = gst_tcp_socket_write (sink->sock_fd.fd, data, size);
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while (written < size) {
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rret =
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g_socket_send (sink->socket, (gchar *) data + written, size - written,
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sink->cancellable, &err);
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if (rret < 0)
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goto write_error;
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written += rret;
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}
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gst_buffer_unmap (buf, data, size);
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if (wrote < size)
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goto write_error;
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sink->data_written += wrote;
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sink->data_written += written;
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return GST_FLOW_OK;
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/* ERRORS */
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write_error:
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{
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GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
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(_("Error while sending data to \"%s:%d\"."), sink->host, sink->port),
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("Only %" G_GSIZE_FORMAT " of %" G_GSIZE_FORMAT " bytes written: %s",
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wrote, size, g_strerror (errno)));
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return GST_FLOW_ERROR;
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GstFlowReturn ret;
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gst_buffer_unmap (buf, data, size);
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if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
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ret = GST_FLOW_WRONG_STATE;
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GST_DEBUG_OBJECT (sink, "Cancelled reading from socket");
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} else {
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GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
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(_("Error while sending data to \"%s:%d\"."), sink->host, sink->port),
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("Only %" G_GSIZE_FORMAT " of %" G_GSIZE_FORMAT " bytes written: %s",
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written, size, err->message));
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ret = GST_FLOW_ERROR;
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}
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g_clear_error (&err);
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return ret;
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}
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}
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@ -200,7 +233,7 @@ gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
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tcpclientsink = GST_TCP_CLIENT_SINK (object);
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switch (prop_id) {
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case ARG_HOST:
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case PROP_HOST:
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if (!g_value_get_string (value)) {
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g_warning ("host property cannot be NULL");
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break;
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@ -208,7 +241,7 @@ gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
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g_free (tcpclientsink->host);
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tcpclientsink->host = g_strdup (g_value_get_string (value));
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break;
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case ARG_PORT:
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case PROP_PORT:
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tcpclientsink->port = g_value_get_int (value);
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break;
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@ -228,13 +261,12 @@ gst_tcp_client_sink_get_property (GObject * object, guint prop_id,
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tcpclientsink = GST_TCP_CLIENT_SINK (object);
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switch (prop_id) {
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case ARG_HOST:
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case PROP_HOST:
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g_value_set_string (value, tcpclientsink->host);
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break;
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case ARG_PORT:
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case PROP_PORT:
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g_value_set_int (value, tcpclientsink->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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@ -244,114 +276,146 @@ gst_tcp_client_sink_get_property (GObject * object, guint prop_id,
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/* create a socket for sending to remote machine */
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static gboolean
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gst_tcp_client_sink_start (GstTCPClientSink * this)
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gst_tcp_client_sink_start (GstBaseSink * bsink)
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{
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int ret;
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gchar *ip;
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GstTCPClientSink *this = GST_TCP_CLIENT_SINK (bsink);
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GError *err = NULL;
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GInetAddress *addr;
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GSocketAddress *saddr;
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if (GST_OBJECT_FLAG_IS_SET (this, GST_TCP_CLIENT_SINK_OPEN))
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return TRUE;
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/* reset caps_sent flag */
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this->caps_sent = FALSE;
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/* create sending client socket */
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GST_DEBUG_OBJECT (this, "opening sending client socket to %s:%d", this->host,
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this->port);
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if ((this->sock_fd.fd = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE, (NULL), GST_ERROR_SYSTEM);
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return FALSE;
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}
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GST_DEBUG_OBJECT (this, "opened sending client socket with fd %d",
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this->sock_fd.fd);
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this->socket =
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g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_STREAM,
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G_SOCKET_PROTOCOL_TCP, &err);
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if (!this->socket)
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goto no_socket;
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GST_DEBUG_OBJECT (this, "opened sending client socket");
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/* look up name if we need to */
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ip = gst_tcp_host_to_ip (GST_ELEMENT (this), this->host);
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if (!ip) {
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gst_tcp_socket_close (&this->sock_fd);
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return FALSE;
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addr = g_inet_address_new_from_string (this->host);
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if (!addr) {
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GResolver *resolver = g_resolver_get_default ();
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GList *results;
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results =
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g_resolver_lookup_by_name (resolver, this->host, this->cancellable,
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&err);
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if (!results)
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goto name_resolve;
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addr = G_INET_ADDRESS (g_object_ref (results->data));
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g_resolver_free_addresses (results);
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g_object_unref (resolver);
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}
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GST_DEBUG_OBJECT (this, "IP address for host %s is %s", this->host, ip);
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#ifndef GST_DISABLE_GST_DEBUG
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{
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gchar *ip = g_inet_address_to_string (addr);
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GST_DEBUG_OBJECT (this, "IP address for host %s is %s", this->host, ip);
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g_free (ip);
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}
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#endif
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/* connect to server */
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memset (&this->server_sin, 0, sizeof (this->server_sin));
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this->server_sin.sin_family = AF_INET; /* network socket */
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this->server_sin.sin_port = htons (this->port); /* on port */
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this->server_sin.sin_addr.s_addr = inet_addr (ip); /* on host ip */
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g_free (ip);
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saddr = g_inet_socket_address_new (addr, this->port);
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if (!g_socket_connect (this->socket, saddr, this->cancellable, &err))
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goto connect_failed;
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GST_DEBUG_OBJECT (this, "connecting to server");
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ret = connect (this->sock_fd.fd, (struct sockaddr *) &this->server_sin,
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sizeof (this->server_sin));
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if (ret) {
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gst_tcp_socket_close (&this->sock_fd);
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switch (errno) {
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case ECONNREFUSED:
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE,
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(_("Connection to %s:%d refused."), this->host, this->port),
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(NULL));
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return FALSE;
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break;
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default:
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
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("connect to %s:%d failed: %s", this->host, this->port,
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g_strerror (errno)));
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return FALSE;
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break;
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}
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}
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g_object_unref (saddr);
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g_object_unref (addr);
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GST_OBJECT_FLAG_SET (this, GST_TCP_CLIENT_SINK_OPEN);
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this->data_written = 0;
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return TRUE;
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no_socket:
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{
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
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("Failed to create socket: %s", err->message));
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g_clear_error (&err);
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return FALSE;
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}
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name_resolve:
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{
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if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
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GST_DEBUG_OBJECT (this, "Cancelled name resolval");
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} else {
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
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("Failed to resolve host '%s': %s", this->host, err->message));
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}
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g_clear_error (&err);
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gst_tcp_client_sink_stop (GST_BASE_SINK (this));
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return FALSE;
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}
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connect_failed:
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{
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if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
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GST_DEBUG_OBJECT (this, "Cancelled connecting");
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} else {
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
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("Failed to connect to host '%s:%d': %s", this->host, this->port,
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err->message));
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}
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g_clear_error (&err);
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g_object_unref (saddr);
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g_object_unref (addr);
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gst_tcp_client_sink_stop (GST_BASE_SINK (this));
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return FALSE;
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}
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}
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static gboolean
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gst_tcp_client_sink_stop (GstTCPClientSink * this)
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gst_tcp_client_sink_stop (GstBaseSink * bsink)
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{
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GstTCPClientSink *this = GST_TCP_CLIENT_SINK (bsink);
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GError *err = NULL;
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if (!GST_OBJECT_FLAG_IS_SET (this, GST_TCP_CLIENT_SINK_OPEN))
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return TRUE;
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gst_tcp_socket_close (&this->sock_fd);
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if (this->socket) {
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GST_DEBUG_OBJECT (this, "closing socket");
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if (!g_socket_close (this->socket, &err)) {
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GST_ERROR_OBJECT (this, "Failed to close socket: %s", err->message);
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g_clear_error (&err);
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}
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g_object_unref (this->socket);
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this->socket = NULL;
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}
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GST_OBJECT_FLAG_UNSET (this, GST_TCP_CLIENT_SINK_OPEN);
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return TRUE;
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}
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static GstStateChangeReturn
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gst_tcp_client_sink_change_state (GstElement * element,
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GstStateChange transition)
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/* will be called only between calls to start() and stop() */
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static gboolean
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gst_tcp_client_sink_unlock (GstBaseSink * bsink)
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{
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GstTCPClientSink *sink;
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GstStateChangeReturn res;
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GstTCPClientSink *sink = GST_TCP_CLIENT_SINK (bsink);
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sink = GST_TCP_CLIENT_SINK (element);
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GST_DEBUG_OBJECT (sink, "set to flushing");
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g_cancellable_cancel (sink->cancellable);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (!gst_tcp_client_sink_start (sink))
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goto start_failure;
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break;
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default:
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break;
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}
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res = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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gst_tcp_client_sink_stop (sink);
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default:
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break;
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}
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return res;
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start_failure:
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{
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return GST_STATE_CHANGE_FAILURE;
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}
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return TRUE;
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}
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||||
|
||||
/* will be called only between calls to start() and stop() */
|
||||
static gboolean
|
||||
gst_tcp_client_sink_unlock_stop (GstBaseSink * bsink)
|
||||
{
|
||||
GstTCPClientSink *sink = GST_TCP_CLIENT_SINK (bsink);
|
||||
|
||||
GST_DEBUG_OBJECT (sink, "unset flushing");
|
||||
g_cancellable_reset (sink->cancellable);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -25,25 +25,12 @@
|
|||
#include <gst/gst.h>
|
||||
#include <gst/base/gstbasesink.h>
|
||||
|
||||
#include <gio/gio.h>
|
||||
|
||||
#include "gsttcp.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 "gsttcp.h"
|
||||
|
||||
#define GST_TYPE_TCP_CLIENT_SINK \
|
||||
(gst_tcp_client_sink_get_type())
|
||||
#define GST_TCP_CLIENT_SINK(obj) \
|
||||
|
|
@ -70,13 +57,12 @@ struct _GstTCPClientSink {
|
|||
/* server information */
|
||||
int port;
|
||||
gchar *host;
|
||||
struct sockaddr_in server_sin;
|
||||
|
||||
/* socket */
|
||||
GstPollFD sock_fd;
|
||||
GSocket *socket;
|
||||
GCancellable *cancellable;
|
||||
|
||||
size_t data_written; /* how much bytes have we written ? */
|
||||
gboolean caps_sent; /* whether or not we sent caps already */
|
||||
};
|
||||
|
||||
struct _GstTCPClientSinkClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue