advance track's play-position even if processing is locked

[ardour.git] / libs / ardour / ardour / diskstream.h

diff --git a/libs/ardour/ardour/diskstream.h b/libs/ardour/ardour/diskstream.h
index 85ca03caff7da8e5e179701ba86dd1826702441c..427b52b0545274f72b8c8e5a2947cbdc1328d9e7 100644 (file)
--- a/libs/ardour/ardour/diskstream.h
+++ b/libs/ardour/ardour/diskstream.h
@@ -193,6 +193,7 @@ class Diskstream : public SessionObject, public PublicDiskstream
        friend class Track;
 
     virtual int  process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_disk_signal) = 0;
+    virtual frameoffset_t calculate_playback_distance (pframes_t nframes) = 0;
        virtual bool commit  (framecnt_t) = 0;
 
        //private: