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
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 <ardour/types.h>
-#include <ardour/data_type.h>
+
+#include "ardour/data_type.h"
+#include "ardour/session_handle.h"
+#include "ardour/types.h"
+#include "ardour/chan_count.h"
+
+#ifdef HAVE_JACK_SESSION
+#include <jack/session.h>
+#endif
- AudioEngine (std::string client_name);
+ class disconnected_exception : public std::exception {
+ public:
+ virtual const char *what() const throw() { return "AudioEngine is disconnected"; }
+ };
+
+ AudioEngine (std::string client_name, std::string session_uuid);
jack_client_t* jack() const;
bool connected() const { return _jack != 0; }
bool is_realtime () const;
jack_client_t* jack() const;
bool connected() const { return _jack != 0; }
bool is_realtime () const;
- 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);
int usecs_per_cycle () const { return _usecs_per_cycle; }
bool get_sync_offset (nframes_t& offset) const;
nframes_t frames_since_cycle_start () {
int usecs_per_cycle () const { return _usecs_per_cycle; }
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);
- 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 frame_time_at_cycle_start () {
+ jack_client_t* _priv_jack = _jack;
+ if (!_running || !_priv_jack) return 0;
+ return jack_last_frame_time (_priv_jack);
- 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);
- 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);
- public:
- virtual const char *what() const throw() { return "failed port registration"; }
+ public:
+ PortRegistrationFailure (std::string const & why = "")
+ : reason (why) {}
+
+ ~PortRegistrationFailure () throw () {}
+
+ virtual const char *what() const throw () { return reason.c_str(); }
+
+ private:
+ std::string reason;
- Port *register_input_port (DataType, const std::string& portname, bool publish);
- Port *register_output_port (DataType, const std::string& portname, bool publish);
+ Port *register_input_port (DataType, const std::string& portname);
+ Port *register_output_port (DataType, const std::string& portname);
int connect (const std::string& source, const std::string& destination);
int disconnect (const std::string& source, const std::string& destination);
int disconnect (Port &);
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);
const char ** get_ports (const std::string& port_name_pattern, const std::string& type_name_pattern, uint32_t flags);
- std::string get_nth_physical_output (DataType type, uint32_t n) {
- return get_nth_physical (type, n, JackPortIsInput);
- }
+ void get_physical_outputs (DataType type, std::vector<std::string>&);
+ void get_physical_inputs (DataType type, std::vector<std::string>&);
- std::string get_nth_physical_input (DataType type, uint32_t n) {
- return get_nth_physical (type, n, JackPortIsOutput);
- }
-
- nframes_t get_port_total_latency (const Port&);
bool freewheeling() const { return _freewheeling; }
/* this signal is sent for every process() cycle while freewheeling.
bool freewheeling() const { return _freewheeling; }
/* this signal is sent for every process() cycle while freewheeling.
- sigc::signal<void> GraphReordered;
+ PBD::Signal0<void> GraphReordered;
+
+#ifdef HAVE_JACK_SESSION
+ PBD::Signal1<void,jack_session_event_t *> JackSessionEvent;
+#endif
+
- sigc::signal<void> Running;
- sigc::signal<void> Stopped;
+ PBD::Signal0<void> Running;
+ PBD::Signal0<void> Stopped;
+
+ /** Emitted if a JACK port is registered or unregistered */
+ PBD::Signal0<void> PortRegisteredOrUnregistered;
+
+ /** Emitted if a JACK port is connected or disconnected */
+ PBD::Signal0<void> PortConnectedOrDisconnected;
std::string make_port_name_relative (std::string);
std::string make_port_name_non_relative (std::string);
std::string make_port_name_relative (std::string);
std::string make_port_name_non_relative (std::string);
- ARDOUR::Session *session;
- jack_client_t *_jack;
- std::string jack_client_name;
- mutable Glib::Mutex _process_lock;
- Glib::Cond session_removed;
- bool session_remove_pending;
- bool _running;
- bool _has_run;
- nframes_t _buffer_size;
- nframes_t _frame_rate;
+ 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;
+ mutable nframes_t _buffer_size;
+ std::map<DataType,size_t> _raw_buffer_sizes;
+ mutable nframes_t _frame_rate;
- nframes_t _processed_frames;
- bool _freewheeling;
- bool _freewheel_thread_registered;
- sigc::slot<int,nframes_t> freewheel_action;
- bool reconnect_on_halt;
- int _usecs_per_cycle;
+ nframes_t _processed_frames;
+ bool _freewheeling;
+ bool _freewheel_pending;
+ boost::function<int(nframes_t)> freewheel_action;
+ bool reconnect_on_halt;
+ int _usecs_per_cycle;
- Port *register_port (DataType type, const std::string& portname, bool input, bool publish);
+ Port *register_port (DataType type, const std::string& portname, bool input);
- Port* get_port (const std::string& short_name);
-
- typedef std::pair<std::string,std::string> PortConnection;
- typedef std::list<PortConnection> PortConnections;
+ ChanCount n_physical (unsigned long) const;
+ void get_physical (DataType, unsigned long, std::vector<std::string> &);
- PortConnections port_connections;
- void remove_connections_for (Port&);
-
- std::string get_nth_physical (DataType type, uint32_t n, int flags);
+ void port_registration_failure (const std::string& portname);
static int _graph_order_callback (void *arg);
static int _process_callback (nframes_t nframes, void *arg);
static int _graph_order_callback (void *arg);
static int _process_callback (nframes_t nframes, void *arg);
static int _sample_rate_callback (nframes_t nframes, void *arg);
static int _bufsize_callback (nframes_t nframes, void *arg);
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 int _sample_rate_callback (nframes_t nframes, void *arg);
static int _bufsize_callback (nframes_t nframes, void *arg);
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 *);
+ static void _connect_callback (jack_port_id_t, 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);
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);
+
+ ProcessThread* _main_thread;
+
+ struct ThreadData {
+ AudioEngine* engine;
+ boost::function<void()> f;
+ size_t stacksize;
+
+ ThreadData (AudioEngine* ae, boost::function<void()> fp, size_t stacksz)
+ : engine (ae) , f (fp) , stacksize (stacksz) {}
+ };
+
+ static void* _start_process_thread (void*);