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-/* This file is part of Patchage.
- * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
- *
- * Patchage 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 (at your option) any later
- * version.
- *
- * Patchage is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#ifndef JACKDRIVER_H
-#define JACKDRIVER_H
-
-#include <iostream>
-#include <string>
-#include <boost/shared_ptr.hpp>
-#include <jack/jack.h>
-#include <jack/statistics.h>
-#include <glibmm/thread.h>
-#include "raul/AtomicPtr.h"
-#include "Driver.h"
-class Patchage;
-class PatchageEvent;
-class PatchageFlowCanvas;
-class PatchagePort;
-class PatchageModule;
-
-using std::string;
-
-
-/** Handles all externally driven functionality, registering ports etc.
- *
- * Jack callbacks and connect methods and things like that live here.
- * Right now just for jack ports, but that will change...
- */
-class JackDriver : public Driver
-{
-public:
- JackDriver(Patchage* app);
- ~JackDriver();
-
- void attach(bool launch_daemon);
- void detach();
-
- bool is_attached() const { return (_client != NULL); }
- bool is_realtime() const { return _client && jack_is_realtime(_client); }
-
- void refresh();
-
- bool connect(boost::shared_ptr<PatchagePort> src,
- boost::shared_ptr<PatchagePort> dst);
-
- bool disconnect(boost::shared_ptr<PatchagePort> src,
- boost::shared_ptr<PatchagePort> dst);
-
- void start_transport() { jack_transport_start(_client); }
- void stop_transport() { jack_transport_stop(_client); }
-
- void reset_xruns();
- void reset_delay() { jack_reset_max_delayed_usecs(_client); }
-
- void rewind_transport() {
- jack_position_t zero;
- zero.frame = 0;
- zero.valid = (jack_position_bits_t)0;
- jack_transport_reposition(_client, &zero);
- }
-
- jack_client_t* client() { return _client; }
-
- jack_nframes_t buffer_size();
- bool set_buffer_size(jack_nframes_t size);
-
- inline float sample_rate() { return jack_get_sample_rate(_client); }
-
- inline size_t xruns() { return _xruns; }
-
- inline float max_delay() { return jack_get_max_delayed_usecs(_client); }
-
- boost::shared_ptr<PatchagePort> create_port(boost::shared_ptr<PatchageModule> parent,
- jack_port_t* port);
-
-private:
-
- static void error_cb(const char* msg);
-
- void destroy_all_ports();
- void shutdown();
-
- void update_time();
-
- static void jack_port_registration_cb(jack_port_id_t port_id, int registered, void* me);
- static void jack_port_connect_cb(jack_port_id_t src, jack_port_id_t dst, int connect, void* me);
- static int jack_graph_order_cb(void* me);
- static int jack_buffer_size_cb(jack_nframes_t buffer_size, void* me);
- static int jack_xrun_cb(void* me);
- static void jack_shutdown_cb(void* me);
-
- Patchage* _app;
- jack_client_t* _client;
-
- Glib::Mutex _mutex;
-
- bool _is_activated;
- jack_position_t _last_pos;
- jack_nframes_t _buffer_size;
- size_t _xruns;
- float _xrun_delay;
-};
-
-
-#endif // JACKDRIVER_H