X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fasync_midi_port.h;h=96a50ab198df1c18136d396197e768e30be55af3;hb=faefc3ba9a42417b133235e0a9efeaba467aad5f;hp=896301b398d05dbb3a8d824308cbf11aebf50f94;hpb=848e75aaeaa04a81883ed30bcd04abd862f9d1fd;p=ardour.git

diff --git a/libs/ardour/ardour/async_midi_port.h b/libs/ardour/ardour/async_midi_port.h
index 896301b398..96a50ab198 100644
--- a/libs/ardour/ardour/async_midi_port.h
+++ b/libs/ardour/ardour/async_midi_port.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1998-2010 Paul Barton-Davis 
+    Copyright (C) 1998-2010 Paul Barton-Davis
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
@@ -22,23 +22,26 @@
 #include <string>
 #include <iostream>
 
+#include <boost/function.hpp>
+
 #include "pbd/xml++.h"
 #include "pbd/crossthread.h"
 #include "pbd/signals.h"
 #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/event_ring_buffer.h"
+#include "ardour/libardour_visibility.h"
 #include "ardour/midi_port.h"
 
 namespace ARDOUR {
 
-	class AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
+class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
 
   public:
         AsyncMIDIPort (std::string const &, PortFlags);
@@ -48,39 +51,46 @@ namespace ARDOUR {
 
 	void cycle_start (pframes_t nframes);
 	void cycle_end (pframes_t nframes);
-    
+
         /* called from non-RT context */
-    
+
 	void parse (framecnt_t timestamp);
 	int write (const MIDI::byte *msg, size_t msglen, MIDI::timestamp_t timestamp);
         int read (MIDI::byte *buf, size_t bufsize);
-	void drain (int check_interval_usecs);
-	int selectable () const {
-#ifdef PLATFORM_WINDOWS
-		return false;
-#else
-		return xthread.selectable();
-#endif
+	/* waits for output to be cleared */
+        void drain (int check_interval_usecs, int total_usecs_to_wait);
+
+	/* clears async request communication channel */
+	void clear () {
+		_xthread.drain ();
 	}
 
+        CrossThreadChannel& xthread() {
+                return _xthread;
+        }
+
+	/* Not selectable; use ios() */
+	int selectable() const { return -1; }
+	void set_timer (boost::function<framecnt_t (void)>&);
+
 	static void set_process_thread (pthread_t);
 	static pthread_t get_process_thread () { return _process_thread; }
 	static bool is_process_thread();
 
-  private:	
+  private:
 	bool                    _currently_in_cycle;
         MIDI::timestamp_t       _last_write_timestamp;
+	bool                    have_timer;
+	boost::function<framecnt_t (void)> timer;
 	RingBuffer< Evoral::Event<double> > output_fifo;
-        Evoral::EventRingBuffer<MIDI::timestamp_t> input_fifo;
+        EventRingBuffer<MIDI::timestamp_t> input_fifo;
         Glib::Threads::Mutex output_fifo_lock;
-#ifndef PLATFORM_WINDOWS
-	CrossThreadChannel xthread;
-#endif
+	CrossThreadChannel _xthread;
 
 	int create_port ();
 
 	/** Channel used to signal to the MidiControlUI that input has arrived */
-	
+
 	std::string _connections;
 	PBD::ScopedConnection connect_connection;
 	PBD::ScopedConnection halt_connection;
@@ -89,7 +99,7 @@ namespace ARDOUR {
 	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;
 };