diff --git a/src/playback_thread.cpp b/src/playback_thread.cpp
index b830421..ba8075e 100644
--- a/src/playback_thread.cpp
+++ b/src/playback_thread.cpp
@@ -13,6 +13,7 @@ Playback::Playback(QObject *parent) : QThread(parent) {
     isPaused = false;
     bright_ = gamma_ = saturation_ = 0;
     single_mode = true;
+    current_filter = 0;
 }
 
 void Playback::Play() {
@@ -111,7 +112,11 @@ void Playback::setColorOptions(int b, int g, int s) {
 }
 
 void Playback::setIndexChanged(int pos) {
-    
+    current_filter = pos;
+}
+
+void Playback::setSingleMode(bool val) {
+    single_mode = val;
 }
 
 void Playback::setRGB(int r, int g, int b) {
diff --git a/src/playback_thread.h b/src/playback_thread.h
index 72d0d10..9c761f5 100644
--- a/src/playback_thread.h
+++ b/src/playback_thread.h
@@ -34,6 +34,7 @@ private:
     unsigned int red, green, blue;
     unsigned int bright_, gamma_, saturation_;
     bool single_mode;
+    int current_filter;
 public:
     Playback(QObject *parent = 0);
     ~Playback();
@@ -54,6 +55,7 @@ public:
     void setStep();
     void setDisplayed(bool shown);
     void setIndexChanged(int pos);
+    void setSingleMode(bool val);
 signals:
     void procImage(const QImage image);
     void stopRecording();