diff --git a/libvideoeditor/lvpp/VideoEditorPlayer.cpp b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
index 57cab08..1ba1f44 100755
--- a/libvideoeditor/lvpp/VideoEditorPlayer.cpp
+++ b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
@@ -376,12 +376,19 @@
     return mMsecsPerFrame;
 }
 
-status_t VideoEditorPlayer::VeAudioOutput::getPosition(uint32_t *position) {
+status_t VideoEditorPlayer::VeAudioOutput::getPosition(uint32_t *position) const {
 
     if (mTrack == 0) return NO_INIT;
     return mTrack->getPosition(position);
 }
 
+status_t VideoEditorPlayer::VeAudioOutput::getFramesWritten(uint32_t *written) const {
+
+    if (mTrack == 0) return NO_INIT;
+    *written = mNumFramesWritten;
+    return OK;
+}
+
 status_t VideoEditorPlayer::VeAudioOutput::open(
         uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
         audio_format_t format, int bufferCount,
@@ -569,7 +576,7 @@
     return NO_ERROR;
 }
 
-int VideoEditorPlayer::VeAudioOutput::getSessionId() {
+int VideoEditorPlayer::VeAudioOutput::getSessionId() const {
 
     return mSessionId;
 }
diff --git a/libvideoeditor/lvpp/VideoEditorPlayer.h b/libvideoeditor/lvpp/VideoEditorPlayer.h
index 6962501..350b384 100755
--- a/libvideoeditor/lvpp/VideoEditorPlayer.h
+++ b/libvideoeditor/lvpp/VideoEditorPlayer.h
@@ -45,8 +45,9 @@
         virtual ssize_t         frameSize() const;
         virtual uint32_t        latency() const;
         virtual float           msecsPerFrame() const;
-        virtual status_t        getPosition(uint32_t *position);
-        virtual int             getSessionId();
+        virtual status_t        getPosition(uint32_t *position) const;
+        virtual status_t        getFramesWritten(uint32_t*) const;
+        virtual int             getSessionId() const;
 
         virtual status_t        open(
                 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,