X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libs%2Fardour%2Fardour%2Fmidi_source.h;h=5298ab2f4fe25fb93d40b8281cc96ea3450c3ab1;hb=539a692b0e9d249cab75a2d1c255f8cbef8bcf6b;hp=bffcde51925112244c5c5e843daf9e81d6a3f72f;hpb=a86b994c683b981c395f829082abef67add2424a;p=ardour.git

diff --git a/libs/ardour/ardour/midi_source.h b/libs/ardour/ardour/midi_source.h
index bffcde5192..5298ab2f4f 100644
--- a/libs/ardour/ardour/midi_source.h
+++ b/libs/ardour/ardour/midi_source.h
@@ -34,6 +34,7 @@
 
 namespace ARDOUR {
 
+class MidiStateTracker;
 class MidiModel;
 template<typename T> class MidiRingBuffer;
 
@@ -55,11 +56,12 @@ class MidiSource : virtual public Source
 	 * \param cnt Length of range to be read (in audio frames)
 	 * \param stamp_offset Offset to add to event times written to dst
 	 * \param negative_stamp_offset Offset to subtract from event times written to dst
+	 * \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking
 	 */
 	virtual nframes_t midi_read (MidiRingBuffer<nframes_t>& dst,
-			sframes_t source_start,
-			sframes_t start, nframes_t cnt,
-			sframes_t stamp_offset, sframes_t negative_stamp_offset) const;
+				     sframes_t source_start,
+				     sframes_t start, nframes_t cnt,
+				     sframes_t stamp_offset, sframes_t negative_stamp_offset, MidiStateTracker*) const;
 
 	virtual nframes_t midi_write (MidiRingBuffer<nframes_t>& src,
 			sframes_t source_start,
@@ -113,9 +115,10 @@ class MidiSource : virtual public Source
 	virtual void flush_midi() = 0;
 
 	virtual nframes_t read_unlocked (MidiRingBuffer<nframes_t>& dst,
-			sframes_t position,
-			sframes_t start, nframes_t cnt,
-			sframes_t stamp_offset, sframes_t negative_stamp_offset) const = 0;
+					 sframes_t position,
+					 sframes_t start, nframes_t cnt,
+					 sframes_t stamp_offset, sframes_t negative_stamp_offset,
+					 MidiStateTracker* tracker) const = 0;
 
 	virtual nframes_t write_unlocked (MidiRingBuffer<nframes_t>& dst,
 			sframes_t position,