Fix audio mixing corrupted when last audio track is muted:

[kdenlive] / src / renderer.h

diff --git a/src/renderer.h b/src/renderer.h
index d8a54a23065054cd1cb4318d82a8956449bc1678..86b0b928e0167a48860e5308cf13d46037c7c713 100644 (file)
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -311,6 +311,12 @@ private:
     void buildConsumer(const QString profileName);
     void resetZoneMode();
     void fillSlowMotionProducers();
+    /** @brief Get the track number of the lowest audible (non muted) audio track
+     *  @param return The track number */
+    int getLowestNonMutedAudioTrack(Mlt::Tractor tractor);
+
+    /** @brief Make sure our audio mixing transitions are applied to the lowest track */
+    void fixAudioMixing(Mlt::Tractor tractor);
 
 private slots: