From 0f9149b1bf39e69f3a5c5e24a7fa34a74fa93be1 Mon Sep 17 00:00:00 2001
From: Jacob Walser <jwalser90@gmail.com>
Date: Wed, 4 Jan 2017 00:34:14 -0500
Subject: [PATCH] Fix repeated calls to restart VideoReceiver

---
 src/FlightDisplay/VideoManager.cc  | 4 +++-
 src/VideoStreaming/VideoReceiver.h | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/FlightDisplay/VideoManager.cc b/src/FlightDisplay/VideoManager.cc
index d920acc4d..85437d3bd 100644
--- a/src/FlightDisplay/VideoManager.cc
+++ b/src/FlightDisplay/VideoManager.cc
@@ -236,7 +236,9 @@ void VideoManager::_updateTimer()
     }
     else
     {
-        if(_videoSurface && _videoSurface->lastFrame()) {
+//        if(_videoSurface && _videoSurface->lastFrame()) {
+        if(_videoSurface && _videoReceiver->streaming()) {
+            qDebug() << _videoSurface->lastFrame();
             if(!_videoRunning)
             {
                 _videoRunning = true;
diff --git a/src/VideoStreaming/VideoReceiver.h b/src/VideoStreaming/VideoReceiver.h
index 276a031d7..2a791fe35 100644
--- a/src/VideoStreaming/VideoReceiver.h
+++ b/src/VideoStreaming/VideoReceiver.h
@@ -30,6 +30,7 @@ class VideoReceiver : public QObject
     Q_OBJECT
 public:
     Q_PROPERTY(bool recording READ recording NOTIFY recordingChanged)
+    Q_PROPERTY(bool streaming READ streaming NOTIFY streamingChanged)
 
     explicit VideoReceiver(QObject* parent = 0);
     ~VideoReceiver();
@@ -39,9 +40,11 @@ public:
 #endif
 
     bool recording() { return _recording; }
+    bool streaming() { return GST_STATE(_pipeline) == GST_STATE_PLAYING; }
 
 signals:
     void recordingChanged();
+    void streamingChanged();
 
 public slots:
     void start          ();
@@ -71,6 +74,7 @@ private:
     } Sink;
 
     bool                _recording;
+    bool                _streaming;
     static Sink*        _sink;
     static GstElement*  _tee;
 
-- 
2.22.0