diff --git a/include/osg/AudioStream b/include/osg/AudioStream
index 989c99e3a..a9d5c124b 100644
--- a/include/osg/AudioStream
+++ b/include/osg/AudioStream
@@ -38,6 +38,8 @@ public:
     virtual double getDelay() const { return _delay; }
     virtual void setDelay(const double delay) { _delay = delay; }
 
+    virtual void setVolume(float) {}
+    virtual float getVolume() const { return 0.0f; }
 
 private:
 
diff --git a/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.cpp b/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.cpp
index bf67ae1c6..65ffe859c 100644
--- a/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.cpp
+++ b/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.cpp
@@ -112,6 +112,22 @@ void FFmpegDecoderAudio::close(bool waitForThreadToExit)
     }
 }
 
+void FFmpegDecoderAudio::setVolume(float volume)
+{
+    if (m_audio_sink.valid())
+    {
+        m_audio_sink->setVolume(volume);
+    }
+}
+
+float FFmpegDecoderAudio::getVolume() const
+{
+    if (m_audio_sink.valid())
+    {
+        return m_audio_sink->getVolume();
+    }
+    return 0.0f;
+}
 
 void FFmpegDecoderAudio::run()
 {
diff --git a/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.hpp b/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.hpp
index ecc260142..abe87817e 100644
--- a/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.hpp
+++ b/src/osgPlugins/ffmpeg/FFmpegDecoderAudio.hpp
@@ -34,6 +34,9 @@ public:
     void pause(bool pause);
     void close(bool waitForThreadToExit);
     
+    void setVolume(float volume);
+    float getVolume() const;
+
     virtual void run();
 
     void setAudioSink(osg::ref_ptr<osg::AudioSink> audio_sink);
diff --git a/src/osgPlugins/ffmpeg/FFmpegImageStream.cpp b/src/osgPlugins/ffmpeg/FFmpegImageStream.cpp
index e25e1fb16..00a7b23e8 100644
--- a/src/osgPlugins/ffmpeg/FFmpegImageStream.cpp
+++ b/src/osgPlugins/ffmpeg/FFmpegImageStream.cpp
@@ -152,6 +152,15 @@ void FFmpegImageStream::quit(bool waitForThreadToExit)
     m_decoder->close(waitForThreadToExit);
 }
 
+void FFmpegImageStream::setVolume(float volume)
+{
+    m_decoder->audio_decoder().setVolume(volume);
+}
+
+float FFmpegImageStream::getVolume() const
+{
+    return m_decoder->audio_decoder().getVolume();
+}
 
 double FFmpegImageStream::getLength() const
 { 
diff --git a/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp b/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp
index 2aaa0784f..cd4b200e4 100644
--- a/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp
+++ b/src/osgPlugins/ffmpeg/FFmpegImageStream.hpp
@@ -33,6 +33,9 @@ namespace osgFFmpeg
         virtual void seek(double time);
         virtual void quit(bool waitForThreadToExit = true);
 
+        virtual void setVolume(float volume);
+        virtual float getVolume() const;
+
         virtual double getLength() const;
         virtual double getReferenceTime () const; 
         virtual double getFrameRate() const;