#include <exception>
#include <string>
-
#include <glibmm/thread.h>
#include "pbd/rcu.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>
public:
typedef std::set<Port*> Ports;
+ 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);
virtual ~AudioEngine ();
Glib::Mutex& process_lock() { return _process_lock; }
- nframes_t frame_rate() const;
- nframes_t frames_per_cycle() const;
+ framecnt_t frame_rate () const;
+ pframes_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;
+ bool get_sync_offset (pframes_t & offset) const;
- nframes_t frames_since_cycle_start () {
+ pframes_t frames_since_cycle_start () {
jack_client_t* _priv_jack = _jack;
- if (!_running || !_priv_jack) return 0;
+ if (!_running || !_priv_jack) {
+ return 0;
+ }
return jack_frames_since_cycle_start (_priv_jack);
}
- nframes_t frame_time () {
+
+ pframes_t frame_time () {
jack_client_t* _priv_jack = _jack;
- if (!_running || !_priv_jack) return 0;
+ if (!_running || !_priv_jack) {
+ return 0;
+ }
return jack_frame_time (_priv_jack);
}
- nframes_t frame_time_at_cycle_start () {
+ pframes_t frame_time_at_cycle_start () {
jack_client_t* _priv_jack = _jack;
- if (!_running || !_priv_jack) return 0;
+ if (!_running || !_priv_jack) {
+ return 0;
+ }
return jack_last_frame_time (_priv_jack);
}
- nframes_t transport_frame () const {
+ pframes_t transport_frame () const {
const jack_client_t* _priv_jack = _jack;
- if (!_running || !_priv_jack) return 0;
+ if (!_running || !_priv_jack) {
+ return 0;
+ }
return jack_get_current_transport_frame (_priv_jack);
}
- int request_buffer_size (nframes_t);
+ int request_buffer_size (pframes_t);
- nframes_t set_monitor_check_interval (nframes_t);
- nframes_t processed_frames() const { return _processed_frames; }
+ framecnt_t set_monitor_check_interval (framecnt_t);
+ framecnt_t processed_frames() const { return _processed_frames; }
float get_cpu_load() {
jack_client_t* _priv_jack = _jack;
- if (!_running || !_priv_jack) return 0;
+ if (!_running || !_priv_jack) {
+ return 0;
+ }
return jack_cpu_load (_priv_jack);
}
class PortRegistrationFailure : public std::exception {
public:
- PortRegistrationFailure (const char* why = "") {
- reason = why;
- }
- virtual const char *what() const throw() { return reason; }
+ PortRegistrationFailure (std::string const & why = "")
+ : reason (why) {}
+
+ ~PortRegistrationFailure () throw () {}
+
+ virtual const char *what() const throw () { return reason.c_str(); }
private:
- const char* reason;
+ std::string reason;
};
class NoBackendAvailable : public std::exception {
Port *register_output_port (DataType, const std::string& portname);
int unregister_port (Port &);
- void split_cycle (nframes_t offset);
+ void split_cycle (pframes_t offset);
int connect (const std::string& source, const std::string& destination);
int disconnect (const std::string& source, const std::string& destination);
bool can_request_hardware_monitoring ();
- uint32_t n_physical_outputs (DataType type) const;
- uint32_t n_physical_inputs (DataType type) const;
+ ChanCount n_physical_outputs () const;
+ ChanCount n_physical_inputs () const;
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_output (DataType type, uint32_t n) {
- return get_nth_physical (type, n, JackPortIsInput);
- }
-
- std::string get_nth_physical_input (DataType type, uint32_t n) {
- return get_nth_physical (type, n, JackPortIsOutput);
- }
-
void update_total_latencies ();
void update_total_latency (const Port&);
Port *get_port_by_name (const std::string &);
- Port *get_port_by_name_locked (const std::string &);
enum TransportState {
TransportStopped = JackTransportStopped,
void transport_start ();
void transport_stop ();
- void transport_locate (nframes_t);
+ void transport_locate (framepos_t);
TransportState transport_state ();
int reset_timebase ();
_ the regular process() call to session->process() is not made.
*/
- PBD::Signal1<int,nframes_t> Freewheel;
+ PBD::Signal1<int, pframes_t> Freewheel;
PBD::Signal0<void> Xrun;
/* this signal is emitted if the sample rate changes */
- PBD::Signal1<void,nframes_t> SampleRateChanged;
+ PBD::Signal1<void, framecnt_t> SampleRateChanged;
/* this signal is sent if JACK ever disconnects us */
/** 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;
+ /** Emitted if a JACK port is connected or disconnected.
+ * The Port parameters are the ports being connected / disconnected, or 0 if they are not known to Ardour.
+ * The bool parameter is true if ports were connected, or false for disconnected.
+ */
+ PBD::Signal3<void, Port *, Port *, bool> PortConnectedOrDisconnected;
std::string make_port_name_relative (std::string);
std::string make_port_name_non_relative (std::string);
static AudioEngine* instance() { return _instance; }
void died ();
+ int create_process_thread (boost::function<void()>, pthread_t*, size_t stacksize);
+
private:
static AudioEngine* _instance;
bool session_remove_pending;
bool _running;
bool _has_run;
- mutable nframes_t _buffer_size;
+ mutable framecnt_t _buffer_size;
std::map<DataType,size_t> _raw_buffer_sizes;
- mutable nframes_t _frame_rate;
+ mutable framecnt_t _frame_rate;
/// number of frames between each check for changes in monitor input
- nframes_t monitor_check_interval;
+ framecnt_t monitor_check_interval;
/// time of the last monitor check in frames
- nframes_t last_monitor_check;
+ framecnt_t last_monitor_check;
/// the number of frames processed since start() was called
- nframes_t _processed_frames;
+ framecnt_t _processed_frames;
bool _freewheeling;
bool _freewheel_pending;
- boost::function<int(nframes_t)> freewheel_action;
+ boost::function<int(framecnt_t)> freewheel_action;
bool reconnect_on_halt;
int _usecs_per_cycle;
Port *register_port (DataType type, const std::string& portname, bool input);
- int process_callback (nframes_t nframes);
+ int process_callback (pframes_t nframes);
void* process_thread ();
void finish_process_cycle (int status);
void remove_all_ports ();
- std::string get_nth_physical (DataType type, uint32_t n, int flags);
+ ChanCount n_physical (unsigned long) const;
+ void get_physical (DataType, unsigned long, std::vector<std::string> &);
void port_registration_failure (const std::string& portname);
static void _session_callback (jack_session_event_t *event, void *arg);
#endif
static int _graph_order_callback (void *arg);
- static int _process_callback (nframes_t nframes, void *arg);
+ static int _process_callback (pframes_t nframes, void *arg);
static void* _process_thread (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 _sample_rate_callback (pframes_t nframes, void *arg);
+ static int _bufsize_callback (pframes_t nframes, void *arg);
+ static void _jack_timebase_callback (jack_transport_state_t, pframes_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);
+ void jack_timebase_callback (jack_transport_state_t, pframes_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);
+ int jack_bufsize_callback (pframes_t);
+ int jack_sample_rate_callback (pframes_t);
int connect_to_jack (std::string client_name, std::string session_uuid);
static gint m_meter_exit;
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*);
};
} // namespace ARDOUR
projects / ardour.git / blobdiff