Fix MIDI rec-region display

gui_feed_buffer is used for DiskWriter -> GUI notifications.
It was wrongly migrated from MidiDiskstream to DiskReader in 7fb6807

5 files changed, 13 insertions, 21 deletions

diff --git a/libs/ardour/ardour/disk_reader.h b/libs/ardour/ardour/disk_reader.h
index 04e4ccb3a1..4bc78cbd67 100644
--- a/libs/ardour/ardour/disk_reader.h
+++ b/libs/ardour/ardour/disk_reader.h
@@ -104,7 +104,6 @@ class LIBARDOUR_API DiskReader : public DiskIOProcessor
 	friend class MidiTrack;
 
 	void resolve_tracker (Evoral::EventSink<samplepos_t>& buffer, samplepos_t time);
-	boost::shared_ptr<MidiBuffer> get_gui_feed_buffer () const;
 
 	void playlist_changed (const PBD::PropertyChange&);
 	int use_playlist (DataType, boost::shared_ptr<Playlist>);
@@ -127,14 +126,6 @@ class LIBARDOUR_API DiskReader : public DiskIOProcessor
 	static samplecnt_t midi_readahead;
 	static bool       _no_disk_output;
 
-	/* The MIDI stuff */
-
-	/** A buffer that we use to put newly-arrived MIDI data in for
-	    the GUI to read (so that it can update itself).
-	*/
-	MidiBuffer                   _gui_feed_buffer;
-	mutable Glib::Threads::Mutex _gui_feed_buffer_mutex;
-
 	int audio_read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
 	                samplepos_t& start, samplecnt_t cnt,
 	                int channel, bool reversed);
diff --git a/libs/ardour/ardour/disk_writer.h b/libs/ardour/ardour/disk_writer.h
index fba494d383..59267f5f8f 100644
--- a/libs/ardour/ardour/disk_writer.h
+++ b/libs/ardour/ardour/disk_writer.h
@@ -129,6 +129,8 @@ public:
 
 	void adjust_buffering ();
 
+	boost::shared_ptr<MidiBuffer> get_gui_feed_buffer () const;
+
 protected:
 	friend class Track;
 	int do_flush (RunContext context, bool force = false);
diff --git a/libs/ardour/disk_reader.cc b/libs/ardour/disk_reader.cc
index f610ce4950..a3e3773c53 100644
--- a/libs/ardour/disk_reader.cc
+++ b/libs/ardour/disk_reader.cc
@@ -54,7 +54,6 @@ DiskReader::DiskReader (Session& s, string const & str, DiskIOProcessor::Flag f)
 	, overwrite_offset (0)
 	, _pending_overwrite (false)
 	, overwrite_queued (false)
-	, _gui_feed_buffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI))
 {
 	file_sample[DataType::AUDIO] = 0;
 	file_sample[DataType::MIDI] = 0;
@@ -1205,16 +1204,6 @@ DiskReader::move_processor_automation (boost::weak_ptr<Processor> p, list< Evora
 	}
 }
 
-boost::shared_ptr<MidiBuffer>
-DiskReader::get_gui_feed_buffer () const
-{
-	boost::shared_ptr<MidiBuffer> b (new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)));
-
-	Glib::Threads::Mutex::Lock lm (_gui_feed_buffer_mutex);
-	b->copy (_gui_feed_buffer);
-	return b;
-}
-
 void
 DiskReader::reset_tracker ()
 {
diff --git a/libs/ardour/disk_writer.cc b/libs/ardour/disk_writer.cc
index 8fec82fa2a..e1997e0bbd 100644
--- a/libs/ardour/disk_writer.cc
+++ b/libs/ardour/disk_writer.cc
@@ -648,6 +648,16 @@ DiskWriter::finish_capture (boost::shared_ptr<ChannelList> c)
 	first_recordable_sample = max_samplepos;
 }
 
+boost::shared_ptr<MidiBuffer>
+DiskWriter::get_gui_feed_buffer () const
+{
+	boost::shared_ptr<MidiBuffer> b (new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)));
+
+	Glib::Threads::Mutex::Lock lm (_gui_feed_buffer_mutex);
+	b->copy (_gui_feed_buffer);
+	return b;
+}
+
 void
 DiskWriter::set_record_enabled (bool yn)
 {
diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc
index e6734ed08c..11e6bec41b 100644
--- a/libs/ardour/midi_track.cc
+++ b/libs/ardour/midi_track.cc
@@ -752,7 +752,7 @@ MidiTrack::track_input_active (IOChange change, void* /* src */)
 boost::shared_ptr<MidiBuffer>
 MidiTrack::get_gui_feed_buffer () const
 {
-	return _disk_reader->get_gui_feed_buffer ();
+	return _disk_writer->get_gui_feed_buffer ();
 }
 
 void