Index: OpenSceneGraph/trunk/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp
===================================================================
--- OpenSceneGraph/trunk/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp (revision 10851)
+++ OpenSceneGraph/trunk/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp (revision 10961)
@@ -33,4 +33,7 @@
         virtual void seek(double time);
         virtual void quit(bool waitForThreadToExit = true);
+
+        virtual void setVolume(float volume);
+        virtual float getVolume() const;
 
         virtual double getLength() const;
