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-rw-r--r--libs/ardour/ardour/diskstream.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/ardour/ardour/diskstream.h b/libs/ardour/ardour/diskstream.h
index 85ca03caff..427b52b054 100644
--- 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: