/*
- Copyright (C) 2002-2004 Paul Davis
+ Copyright (C) 2002-2004 Paul 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
#include <exception>
#include <string>
-#include <sigc++/signal.h>
#include <glibmm/thread.h>
#include "pbd/rcu.h"
+#include "pbd/signals.h"
#include "ardour/ardour.h"
#include <jack/jack.h>
#include <jack/transport.h>
-#include "ardour/types.h"
+
#include "ardour/data_type.h"
+#include "ardour/session_handle.h"
+#include "ardour/types.h"
namespace ARDOUR {
class Port;
class Session;
-class AudioEngine : public sigc::trackable
+class AudioEngine : public SessionHandlePtr
{
public:
typedef std::set<Port*> Ports;
AudioEngine (std::string client_name);
virtual ~AudioEngine ();
-
+
jack_client_t* jack() const;
bool connected() const { return _jack != 0; }
Glib::Mutex& process_lock() { return _process_lock; }
- nframes_t frame_rate();
- nframes_t frames_per_cycle();
+ nframes_t frame_rate() const;
+ nframes_t frames_per_cycle() const;
size_t raw_buffer_size(DataType t);
bool get_sync_offset (nframes_t& offset) const;
nframes_t frames_since_cycle_start () {
- if (!_running || !_jack) return 0;
- return jack_frames_since_cycle_start (_jack);
+ jack_client_t* _priv_jack = _jack;
+ if (!_running || !_priv_jack) return 0;
+ return jack_frames_since_cycle_start (_priv_jack);
}
nframes_t frame_time () {
- if (!_running || !_jack) return 0;
- return jack_frame_time (_jack);
+ jack_client_t* _priv_jack = _jack;
+ if (!_running || !_priv_jack) return 0;
+ return jack_frame_time (_priv_jack);
}
nframes_t transport_frame () const {
- if (!_running || !_jack) return 0;
- return jack_get_current_transport_frame (_jack);
+ const jack_client_t* _priv_jack = _jack;
+ if (!_running || !_priv_jack) return 0;
+ return jack_get_current_transport_frame (_priv_jack);
}
-
+
int request_buffer_size (nframes_t);
-
+
nframes_t set_monitor_check_interval (nframes_t);
+ nframes_t processed_frames() const { return _processed_frames; }
- float get_cpu_load() {
- if (!_running || !_jack) return 0;
- return jack_cpu_load (_jack);
+ float get_cpu_load() {
+ jack_client_t* _priv_jack = _jack;
+ if (!_running || !_priv_jack) return 0;
+ return jack_cpu_load (_priv_jack);
}
void set_session (Session *);
- void remove_session ();
+ void remove_session (); // not a replacement for SessionHandle::session_going_away()
class PortRegistrationFailure : public std::exception {
- public:
+ public:
PortRegistrationFailure (const char* why = "") {
reason = why;
}
virtual const char *what() const throw() { return reason; }
- private:
+ private:
const char* reason;
};
class NoBackendAvailable : public std::exception {
- public:
+ public:
virtual const char *what() const throw() { return "could not connect to engine backend"; }
};
int unregister_port (Port &);
void split_cycle (nframes_t offset);
-
+
int connect (const std::string& source, const std::string& destination);
int disconnect (const std::string& source, const std::string& destination);
int disconnect (Port &);
-
+
const char ** get_ports (const std::string& port_name_pattern, const std::string& type_name_pattern, uint32_t flags);
bool can_request_hardware_monitoring ();
bool freewheeling() const { return _freewheeling; }
/* this signal is sent for every process() cycle while freewheeling.
- the regular process() call to session->process() is not made.
+_ the regular process() call to session->process() is not made.
*/
- sigc::signal<int,nframes_t> Freewheel;
+ PBD::Signal1<int,nframes_t> Freewheel;
- sigc::signal<void> Xrun;
+ PBD::Signal0<void> Xrun;
/* this signal is if JACK notifies us of a graph order event */
- sigc::signal<void> GraphReordered;
+ PBD::Signal0<void> GraphReordered;
/* this signal is emitted if the sample rate changes */
- sigc::signal<void,nframes_t> SampleRateChanged;
+ PBD::Signal1<void,nframes_t> SampleRateChanged;
/* this signal is sent if JACK ever disconnects us */
- sigc::signal<void> Halted;
+ PBD::Signal0<void> Halted;
/* these two are emitted when the engine itself is
started and stopped
*/
- sigc::signal<void> Running;
- sigc::signal<void> Stopped;
+ PBD::Signal0<void> Running;
+ PBD::Signal0<void> Stopped;
+
+ /* this signal is emitted if a JACK port is registered or unregistered */
+
+ PBD::Signal0<void> PortRegisteredOrUnregistered;
std::string make_port_name_relative (std::string);
std::string make_port_name_non_relative (std::string);
+ static AudioEngine* instance() { return _instance; }
+ void died ();
+
private:
- ARDOUR::Session* session;
- jack_client_t* _jack;
+ static AudioEngine* _instance;
+
+ jack_client_t* volatile _jack; /* could be reset to null by SIGPIPE or another thread */
std::string jack_client_name;
Glib::Mutex _process_lock;
Glib::Cond session_removed;
bool session_remove_pending;
bool _running;
bool _has_run;
- nframes_t _buffer_size;
+ mutable nframes_t _buffer_size;
std::map<DataType,size_t> _raw_buffer_sizes;
- nframes_t _frame_rate;
+ mutable nframes_t _frame_rate;
/// number of frames between each check for changes in monitor input
nframes_t monitor_check_interval;
/// time of the last monitor check in frames
bool _freewheeling;
bool _freewheel_pending;
bool _freewheel_thread_registered;
- sigc::slot<int,nframes_t> freewheel_action;
+ boost::function<int(nframes_t)> freewheel_action;
bool reconnect_on_halt;
int _usecs_per_cycle;
static void _jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int, void*);
static int _jack_sync_callback (jack_transport_state_t, jack_position_t*, void *arg);
static void _freewheel_callback (int , void *arg);
+ static void _registration_callback (jack_port_id_t, int, void *);
void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
int jack_sync_callback (jack_transport_state_t, jack_position_t*);
int jack_bufsize_callback (nframes_t);
int jack_sample_rate_callback (nframes_t);
- static void halted (void *);
-
int connect_to_jack (std::string client_name);
+ static void halted (void *);
+
void meter_thread ();
void start_metering_thread ();
void stop_metering_thread ();
projects / ardour.git / blobdiff