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-rw-r--r--libs/ardour/ardour/audiofilesource.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/ardour/ardour/audiofilesource.h b/libs/ardour/ardour/audiofilesource.h
index 723c734a49..53819c1c9e 100644
--- a/libs/ardour/ardour/audiofilesource.h
+++ b/libs/ardour/ardour/audiofilesource.h
@@ -64,6 +64,7 @@ public:
virtual void clear_capture_marks() {}
virtual bool one_of_several_channels () const { return false; }
+ virtual void flush () = 0;
virtual int update_header (framepos_t when, struct tm&, time_t) = 0;
virtual int flush_header () = 0;