add new sigc++2 directory

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

diff --git a/libs/ardour/ardour/midi_source.h b/libs/ardour/ardour/midi_source.h
index d465506819b954590882c317b00b57f55e6de545..997f3f9d6948a456c4d8e6ea09027978563e4dba 100644 (file)
--- a/libs/ardour/ardour/midi_source.h
+++ b/libs/ardour/ardour/midi_source.h
@@ -55,7 +55,7 @@ class MidiSource : public Source
        virtual uint32_t    n_channels () const { return 1; }
        
        // FIXME: integrate this with the Readable::read interface somehow
-       virtual nframes_t midi_read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const;
+       virtual nframes_t midi_read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const;
        virtual nframes_t midi_write (MidiRingBuffer& src, nframes_t cnt);
 
        virtual void append_event_unlocked(EventTimeUnit unit, const MIDI::Event& ev) = 0;
@@ -98,7 +98,7 @@ class MidiSource : public Source
        virtual int flush_header() = 0;
        virtual int flush_footer() = 0;
        
-       virtual nframes_t read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const = 0;
+       virtual nframes_t read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const = 0;
        virtual nframes_t write_unlocked (MidiRingBuffer& dst, nframes_t cnt) = 0;
        
        mutable Glib::Mutex _lock;