Fix CPU usage when idle

src/monitor/glwidget.cpp

@@ -578,7 +578,6 @@ void GLWidget::mousePressEvent(QMouseEvent* event)
         event->ignore();
         return;
     }
-    if (event->isAccepted()) return;
     if (event->button() & Qt::LeftButton) {
         m_dragStart = event->pos();
     }

src/renderer.cpp

@@ -169,6 +169,9 @@ void Render::seek(int time)
         m_mltProducer->seek(time);
         if (!externalConsumer) {
             m_isRefreshing = true;
+            if (m_mltConsumer->is_stopped()) {
+                m_mltConsumer->start();
+            }
             m_mltConsumer->set("refresh", 1);
         }
     }
@@ -744,13 +747,14 @@ void Render::switchPlay(bool play, double speed)
         }
         m_mltProducer->set_speed(speed);
     } else {
+        m_mltConsumer->set("refresh", 0);
         m_mltConsumer->purge();
         m_mltProducer->set_speed(0.0);
+        m_mltConsumer->stop();
         m_mltConsumer->set("buffer", 0);
         m_mltConsumer->set("prefill", 0);
         m_mltConsumer->set("real_time", -1);
         m_mltProducer->seek(m_mltConsumer->position() + 1);
-        m_mltConsumer->start();
     }
 }
 
@@ -964,7 +968,10 @@ bool Render::checkFrameNumber(int pos)
         else m_mltProducer->set_speed(speed);
     } else {
         m_isRefreshing = false;
-        if (m_isZoneMode) {
+        if (m_mltProducer->get_speed() == 0) {
+            m_mltConsumer->stop();
+            m_mltConsumer->purge();
+        } else if (m_isZoneMode) {
             if (pos >= m_mltProducer->get_int("out") - 1) {
                 if (m_isLoopMode) {
                     m_mltConsumer->purge();