From d762ed8c22edb1007647b5540fa5059993f59f8c Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 3 Dec 2014 20:53:49 -0500
Subject: alter Async MIDI port implementation to use crossthreadchannel on all
 platforms

---
 libs/ardour/ardour/async_midi_port.h | 27 ++++++++++-----------------
 libs/ardour/async_midi_port.cc       | 12 ++++++------
 2 files changed, 16 insertions(+), 23 deletions(-)

diff --git a/libs/ardour/ardour/async_midi_port.h b/libs/ardour/ardour/async_midi_port.h
index 7fab9e4186..fde8110c19 100644
--- a/libs/ardour/ardour/async_midi_port.h
+++ b/libs/ardour/ardour/async_midi_port.h
@@ -30,13 +30,13 @@
 #include "pbd/ringbuffer.h"
 
 #include "evoral/Event.hpp"
+#include "evoral/EventRingBuffer.hpp"
 
 #include "midi++/types.h"
 #include "midi++/parser.h"
 #include "midi++/port.h"
 
 #include "ardour/libardour_visibility.h"
-#include "ardour/event_ring_buffer.h"
 #include "ardour/midi_port.h"
 
 namespace ARDOUR {
@@ -62,20 +62,15 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
 
 	/* clears async request communication channel */
 	void clear () {
-#ifndef PLATFORM_WINDOWS
-		return xthread.drain ();
-#endif
+		_xthread.drain ();
 	}
+
+        CrossThreadChannel& xthread() {
+                return _xthread;
+        }
+
 	/* Not selectable; use ios() */
 	int selectable() const { return -1; }
-
-	Glib::RefPtr<Glib::IOSource> ios() {
-#ifndef PLATFORM_WINDOWS
-		return xthread.ios();
-#else
-		return Glib::RefPtr<Glib::IOSource>(0);
-#endif
-	}
 	void set_timer (boost::function<framecnt_t (void)>&);
 
 	static void set_process_thread (pthread_t);
@@ -88,11 +83,9 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
 	bool                    have_timer;
 	boost::function<framecnt_t (void)> timer;
 	RingBuffer< Evoral::Event<double> > output_fifo;
-        EventRingBuffer<MIDI::timestamp_t> input_fifo;
+        Evoral::EventRingBuffer<MIDI::timestamp_t> input_fifo;
         Glib::Threads::Mutex output_fifo_lock;
-#ifndef PLATFORM_WINDOWS
-	CrossThreadChannel xthread;
-#endif
+	CrossThreadChannel _xthread;
 
 	int create_port ();
 
@@ -106,7 +99,7 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
 	void make_connections ();
 	void init (std::string const &, Flags);
 
-        void flush_output_fifo (pframes_t);
+    void flush_output_fifo (pframes_t);
 
 	static pthread_t _process_thread;
 };
diff --git a/libs/ardour/async_midi_port.cc b/libs/ardour/async_midi_port.cc
index 4ce1bfefbe..f0a92b9594 100644
--- a/libs/ardour/async_midi_port.cc
+++ b/libs/ardour/async_midi_port.cc
@@ -37,6 +37,10 @@ using namespace ARDOUR;
 using namespace std;
 using namespace PBD;
 
+namespace Evoral {
+	template class EventRingBuffer<MIDI::timestamp_t>;
+}
+
 pthread_t AsyncMIDIPort::_process_thread;
 
 #define port_engine AudioEngine::instance()->port_engine()
@@ -49,9 +53,7 @@ AsyncMIDIPort::AsyncMIDIPort (string const & name, PortFlags flags)
 	, have_timer (false)
 	, output_fifo (512)
 	, input_fifo (1024)
-#ifndef PLATFORM_WINDOWS
-	, xthread (true)
-#endif
+	, _xthread (true)
 {
 }
 
@@ -132,11 +134,9 @@ AsyncMIDIPort::cycle_start (MIDI::pframes_t nframes)
 			input_fifo.write (when, (Evoral::EventType) 0, (*b).size(), (*b).buffer());
 		}
 
-#ifndef PLATFORM_WINDOWS
 		if (!mb.empty()) {
-			xthread.wakeup ();
+			_xthread.wakeup ();
 		}
-#endif
 	}
 }
 
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