X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcustomtrackview.h;h=9c7af680e614216e279fdb3c96f58fcb8f8cb4a6;hb=f77746744a2b7c21dadfcc4fc364d41a9ee10d81;hp=79b8758affda75e28d049a463308c5530f0f36e6;hpb=a1b3653802fdeb8df79c594d0129608576d88fa2;p=kdenlive

diff --git a/src/customtrackview.h b/src/customtrackview.h
index 79b8758a..9c7af680 100644
--- a/src/customtrackview.h
+++ b/src/customtrackview.h
@@ -175,6 +175,11 @@ public:
     KPixmapCache* pixmapCache;
     /** update the timeline objects when palette changes */
     void updatePalette();
+    /** @brief Returns true if a track has audio data on it.
+    * @param track The track number
+    *
+    * Check whether given track has a clip with audio in it. */
+    bool hasAudio(int track) const;
 
 public slots:
     void setCursorPos(int pos, bool seek = true);
@@ -300,6 +305,8 @@ private:
     QActionGroup *m_clipTypeGroup;
     QTimer m_scrollTimer;
     QTimer m_thumbsTimer;
+    /** @brief Monitor for changes in timeline (do we have audio data) */
+    QTimer m_audioMonitorTimer;
     int m_scrollOffset;
     bool m_clipDrag;
 
@@ -343,7 +350,7 @@ private:
     void adjustTimelineTransitions(EDITMODE mode, Transition *item, QUndoCommand *command);
     /** Adjust keyframes when pasted to another clip */
     void adjustKeyfames(GenTime oldstart, GenTime newstart, GenTime duration, QDomElement xml);
-    
+
     /** @brief Removes the tip and stops the animation timer. */
     void removeTipAnimation();
     /** @brief Creates a new tip animation.
@@ -401,6 +408,8 @@ signals:
     void updateClipMarkers(DocClipBase *);
     void updateTrackHeaders();
     void playMonitor();
+    /** @brief Monitor document changes (for example the presence of audio data in timeline for export widget.*/
+    void documentModified();
 };
 
 #endif