Psim changes

diff --git a/demo/main.cpp b/demo/main.cpp
index 90e5e3c..02a4004 100644
--- a/demo/main.cpp
+++ b/demo/main.cpp
@@ -613,6 +613,8 @@ void MainWin::setSendConfig(const QString &s)
         ui.le_sendConfig->setEnabled(true);
         ui.le_sendConfig->setText(s);
         ui.le_sendConfig->setCursorPosition(0);
+        if(ui.le_receiveConfig->text().isEmpty())
+            ui.le_receiveConfig->setText(s);
     } else {
         ui.lb_sendConfig->setEnabled(false);
         ui.le_sendConfig->setEnabled(false);
diff --git a/gstprovider/devices.cpp b/gstprovider/devices.cpp
index 1d542a5..e5519a4 100644
--- a/gstprovider/devices.cpp
+++ b/gstprovider/devices.cpp
@@ -294,9 +294,11 @@ void DeviceMonitor::onDeviceRemoved(const GstDevice &dev)
 DeviceMonitor::DeviceMonitor(GstMainLoop *mainLoop) : d(new Private(this))
 {
     qRegisterMetaType<GstDevice>("GstDevice");
-    Q_ASSERT(mainLoop->mainContext() == g_main_context_default());
+    //Q_ASSERT(mainLoop->mainContext() == g_main_context_default());

-    // auto context = mainLoop->mainContext();
+    auto context = mainLoop->mainContext();
+    if(context != g_main_context_default())
+        g_main_context_push_thread_default(context);
     d->_platform = new PlatformDeviceMonitor;
     d->_monitor  = gst_device_monitor_new();

@@ -324,6 +326,7 @@ DeviceMonitor::DeviceMonitor(GstMainLoop *mainLoop) : d(new Private(this))
     if (!gst_device_monitor_start(d->_monitor)) {
         qWarning("failed to start device monitor");
     }
+    g_main_context_pop_thread_default(context);
 }

 DeviceMonitor::~DeviceMonitor()