Fix play zone seeking to first frame of timeline

src/monitor/glwidget.cpp

@@ -679,7 +679,7 @@ void GLWidget::refresh()
     }
 }
 
-bool GLWidget::checkFrameNumber(int pos, int offset, bool isPlaying)
+bool GLWidget::checkFrameNumber(int pos, bool isPlaying)
 {
     const double speed = m_producer->get_speed();
     m_proxy->positionFromConsumer(pos, isPlaying);
@@ -687,6 +687,8 @@ bool GLWidget::checkFrameNumber(int pos, int offset, bool isPlaying)
         if (isPlaying && pos >= m_loopOut) {
             m_consumer->purge();
             if (!m_isLoopMode) {
+                // end play zone mode
+                m_isZoneMode = false;
                 m_producer->set_speed(0);
                 m_proxy->setSpeed(0);
                 m_consumer->set("refresh", 0);

src/monitor/glwidget.h

@@ -99,7 +99,7 @@ public:
     void releaseMonitor();
     int droppedFrames() const;
     void resetDrops();
-    bool checkFrameNumber(int pos, int offset, bool isPlaying);
+    bool checkFrameNumber(int pos, bool isPlaying);
     /** @brief Return current timeline position */
     int getCurrentPos() const;
     /** @brief Requests a monitor refresh */

src/monitor/monitor.cpp

@@ -2136,7 +2136,7 @@ void Monitor::updateAudioForAnalysis()
 
 void Monitor::onFrameDisplayed(const SharedFrame &frame)
 {
-    if (!m_glMonitor->checkFrameNumber(frame.get_position(), m_offset, m_playAction->isActive())) {
+    if (!m_glMonitor->checkFrameNumber(frame.get_position(), m_playAction->isActive())) {
         updatePlayAction(false);
     }
     emit m_monitorManager->frameDisplayed(frame);