/*
- 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
#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);
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;
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;
};