indent cleanup

This commit is contained in:
Paul Davis 2014-12-23 12:35:58 -05:00
parent 7e17ccfeb7
commit 6b6d78c41f

View file

@ -1,19 +1,19 @@
/* /*
Copyright (C) 2002-2004 Paul Davis Copyright (C) 2002-2004 Paul Davis
This program is free software; you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or the Free Software Foundation; either version 2 of the License, or
(at your option) any later version. (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
@ -59,232 +59,232 @@ struct AudioBackendInfo;
class LIBARDOUR_API AudioEngine : public SessionHandlePtr, public PortManager class LIBARDOUR_API AudioEngine : public SessionHandlePtr, public PortManager
{ {
public: public:
static AudioEngine* create (); static AudioEngine* create ();
virtual ~AudioEngine (); virtual ~AudioEngine ();
int discover_backends(); int discover_backends();
std::vector<const AudioBackendInfo*> available_backends() const; std::vector<const AudioBackendInfo*> available_backends() const;
std::string current_backend_name () const; std::string current_backend_name () const;
boost::shared_ptr<AudioBackend> set_default_backend (); boost::shared_ptr<AudioBackend> set_default_backend ();
boost::shared_ptr<AudioBackend> set_backend (const std::string&, const std::string& arg1, const std::string& arg2); boost::shared_ptr<AudioBackend> set_backend (const std::string&, const std::string& arg1, const std::string& arg2);
boost::shared_ptr<AudioBackend> current_backend() const { return _backend; } boost::shared_ptr<AudioBackend> current_backend() const { return _backend; }
bool setup_required () const; bool setup_required () const;
ProcessThread* main_thread() const { return _main_thread; } ProcessThread* main_thread() const { return _main_thread; }
/* START BACKEND PROXY API /* START BACKEND PROXY API
* *
* See audio_backend.h for full documentation and semantics. These wrappers * See audio_backend.h for full documentation and semantics. These wrappers
* just forward to a backend implementation. * just forward to a backend implementation.
*/ */
int start (bool for_latency_measurement=false); int start (bool for_latency_measurement=false);
int stop (bool for_latency_measurement=false); int stop (bool for_latency_measurement=false);
int freewheel (bool start_stop); int freewheel (bool start_stop);
float get_dsp_load() const ; float get_dsp_load() const ;
void transport_start (); void transport_start ();
void transport_stop (); void transport_stop ();
TransportState transport_state (); TransportState transport_state ();
void transport_locate (framepos_t pos); void transport_locate (framepos_t pos);
framepos_t transport_frame(); framepos_t transport_frame();
framecnt_t sample_rate () const; framecnt_t sample_rate () const;
pframes_t samples_per_cycle () const; pframes_t samples_per_cycle () const;
int usecs_per_cycle () const; int usecs_per_cycle () const;
size_t raw_buffer_size (DataType t); size_t raw_buffer_size (DataType t);
pframes_t sample_time (); pframes_t sample_time ();
pframes_t sample_time_at_cycle_start (); pframes_t sample_time_at_cycle_start ();
pframes_t samples_since_cycle_start (); pframes_t samples_since_cycle_start ();
bool get_sync_offset (pframes_t& offset) const; bool get_sync_offset (pframes_t& offset) const;
int create_process_thread (boost::function<void()> func); int create_process_thread (boost::function<void()> func);
int join_process_threads (); int join_process_threads ();
bool in_process_thread (); bool in_process_thread ();
uint32_t process_thread_count (); uint32_t process_thread_count ();
void request_backend_reset(); void request_backend_reset();
void request_device_list_update(); void request_device_list_update();
bool is_realtime() const; bool is_realtime() const;
bool connected() const; bool connected() const;
// for the user which hold state_lock to check if reset operation is pending // for the user which hold state_lock to check if reset operation is pending
bool is_reset_requested() const { return g_atomic_int_get(const_cast<gint*>(&_hw_reset_request_count)); } bool is_reset_requested() const { return g_atomic_int_get(const_cast<gint*>(&_hw_reset_request_count)); }
int set_device_name (const std::string&); int set_device_name (const std::string&);
int set_sample_rate (float); int set_sample_rate (float);
int set_buffer_size (uint32_t); int set_buffer_size (uint32_t);
int set_interleaved (bool yn); int set_interleaved (bool yn);
int set_input_channels (uint32_t); int set_input_channels (uint32_t);
int set_output_channels (uint32_t); int set_output_channels (uint32_t);
int set_systemic_input_latency (uint32_t); int set_systemic_input_latency (uint32_t);
int set_systemic_output_latency (uint32_t); int set_systemic_output_latency (uint32_t);
/* END BACKEND PROXY API */ /* END BACKEND PROXY API */
bool freewheeling() const { return _freewheeling; } bool freewheeling() const { return _freewheeling; }
bool running() const { return _running; } bool running() const { return _running; }
Glib::Threads::Mutex& process_lock() { return _process_lock; } Glib::Threads::Mutex& process_lock() { return _process_lock; }
Glib::Threads::RecMutex& state_lock() { return _state_lock; } Glib::Threads::RecMutex& state_lock() { return _state_lock; }
int request_buffer_size (pframes_t samples) { int request_buffer_size (pframes_t samples) {
return set_buffer_size (samples); return set_buffer_size (samples);
} }
framecnt_t processed_frames() const { return _processed_frames; } framecnt_t processed_frames() const { return _processed_frames; }
void set_session (Session *); void set_session (Session *);
void remove_session (); // not a replacement for SessionHandle::session_going_away() void remove_session (); // not a replacement for SessionHandle::session_going_away()
Session* session() const { return _session; } Session* session() const { return _session; }
void reconnect_session_routes (bool reconnect_inputs = true, bool reconnect_outputs = true); void reconnect_session_routes (bool reconnect_inputs = true, bool reconnect_outputs = true);
class NoBackendAvailable : public std::exception { class NoBackendAvailable : public std::exception {
public: public:
virtual const char *what() const throw() { return "could not connect to engine backend"; } virtual const char *what() const throw() { return "could not connect to engine backend"; }
}; };
void split_cycle (pframes_t offset); void split_cycle (pframes_t offset);
int reset_timebase (); int reset_timebase ();
void update_latencies (); void update_latencies ();
/* this signal is sent for every process() cycle while 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)
*/ */
PBD::Signal1<int, pframes_t> Freewheel; PBD::Signal1<int, pframes_t> Freewheel;
PBD::Signal0<void> Xrun; PBD::Signal0<void> Xrun;
/** this signal is emitted if the sample rate changes */ /** this signal is emitted if the sample rate changes */
PBD::Signal1<void, framecnt_t> SampleRateChanged; PBD::Signal1<void, framecnt_t> SampleRateChanged;
/** this signal is emitted if the buffer size changes */ /** this signal is emitted if the buffer size changes */
PBD::Signal1<void, pframes_t> BufferSizeChanged; PBD::Signal1<void, pframes_t> BufferSizeChanged;
/** this signal is emitted if the device cannot operate properly */ /** this signal is emitted if the device cannot operate properly */
PBD::Signal0<void> DeviceError; PBD::Signal0<void> DeviceError;
/* this signal is emitted if the device list changed */ /* this signal is emitted if the device list changed */
PBD::Signal0<void> DeviceListChanged; PBD::Signal0<void> DeviceListChanged;
/* this signal is sent if the backend ever disconnects us */ /* this signal is sent if the backend ever disconnects us */
PBD::Signal1<void,const char*> Halted; PBD::Signal1<void,const char*> Halted;
/* these two are emitted when the engine itself is /* these two are emitted when the engine itself is
started and stopped started and stopped
*/ */
PBD::Signal0<void> Running; PBD::Signal0<void> Running;
PBD::Signal0<void> Stopped; PBD::Signal0<void> Stopped;
static AudioEngine* instance() { return _instance; } static AudioEngine* instance() { return _instance; }
static void destroy(); static void destroy();
void died (); void died ();
/* The backend will cause these at the appropriate time(s) /* The backend will cause these at the appropriate time(s)
*/ */
int process_callback (pframes_t nframes); int process_callback (pframes_t nframes);
int buffer_size_change (pframes_t nframes); int buffer_size_change (pframes_t nframes);
int sample_rate_change (pframes_t nframes); int sample_rate_change (pframes_t nframes);
void freewheel_callback (bool); void freewheel_callback (bool);
void timebase_callback (TransportState state, pframes_t nframes, framepos_t pos, int new_position); void timebase_callback (TransportState state, pframes_t nframes, framepos_t pos, int new_position);
int sync_callback (TransportState state, framepos_t position); int sync_callback (TransportState state, framepos_t position);
int port_registration_callback (); int port_registration_callback ();
void latency_callback (bool for_playback); void latency_callback (bool for_playback);
void halted_callback (const char* reason); void halted_callback (const char* reason);
/* sets up the process callback thread */ /* sets up the process callback thread */
static void thread_init_callback (void *); static void thread_init_callback (void *);
/* latency measurement */ /* latency measurement */
MTDM* mtdm() { return _mtdm; } MTDM* mtdm() { return _mtdm; }
MIDIDM* mididm() { return _mididm; } MIDIDM* mididm() { return _mididm; }
int prepare_for_latency_measurement (); int prepare_for_latency_measurement ();
int start_latency_detection (bool); int start_latency_detection (bool);
void stop_latency_detection (); void stop_latency_detection ();
void set_latency_input_port (const std::string&); void set_latency_input_port (const std::string&);
void set_latency_output_port (const std::string&); void set_latency_output_port (const std::string&);
uint32_t latency_signal_delay () const { return _latency_signal_latency; } uint32_t latency_signal_delay () const { return _latency_signal_latency; }
enum LatencyMeasurement { enum LatencyMeasurement {
MeasureNone, MeasureNone,
MeasureAudio, MeasureAudio,
MeasureMIDI MeasureMIDI
}; };
LatencyMeasurement measuring_latency () const { return _measuring_latency; } LatencyMeasurement measuring_latency () const { return _measuring_latency; }
private: private:
AudioEngine (); AudioEngine ();
static AudioEngine* _instance; static AudioEngine* _instance;
Glib::Threads::Mutex _process_lock; Glib::Threads::Mutex _process_lock;
Glib::Threads::RecMutex _state_lock; Glib::Threads::RecMutex _state_lock;
Glib::Threads::Cond session_removed; Glib::Threads::Cond session_removed;
bool session_remove_pending; bool session_remove_pending;
frameoffset_t session_removal_countdown; frameoffset_t session_removal_countdown;
gain_t session_removal_gain; gain_t session_removal_gain;
gain_t session_removal_gain_step; gain_t session_removal_gain_step;
bool _running; bool _running;
bool _freewheeling; bool _freewheeling;
/// number of frames between each check for changes in monitor input /// number of frames between each check for changes in monitor input
framecnt_t monitor_check_interval; framecnt_t monitor_check_interval;
/// time of the last monitor check in frames /// time of the last monitor check in frames
framecnt_t last_monitor_check; framecnt_t last_monitor_check;
/// the number of frames processed since start() was called /// the number of frames processed since start() was called
framecnt_t _processed_frames; framecnt_t _processed_frames;
Glib::Threads::Thread* m_meter_thread; Glib::Threads::Thread* m_meter_thread;
ProcessThread* _main_thread; ProcessThread* _main_thread;
MTDM* _mtdm; MTDM* _mtdm;
MIDIDM* _mididm; MIDIDM* _mididm;
LatencyMeasurement _measuring_latency; LatencyMeasurement _measuring_latency;
PortEngine::PortHandle _latency_input_port; PortEngine::PortHandle _latency_input_port;
PortEngine::PortHandle _latency_output_port; PortEngine::PortHandle _latency_output_port;
framecnt_t _latency_flush_frames; framecnt_t _latency_flush_frames;
std::string _latency_input_name; std::string _latency_input_name;
std::string _latency_output_name; std::string _latency_output_name;
framecnt_t _latency_signal_latency; framecnt_t _latency_signal_latency;
bool _stopped_for_latency; bool _stopped_for_latency;
bool _started_for_latency; bool _started_for_latency;
bool _in_destructor; bool _in_destructor;
Glib::Threads::Thread* _hw_reset_event_thread; Glib::Threads::Thread* _hw_reset_event_thread;
gint _hw_reset_request_count; gint _hw_reset_request_count;
Glib::Threads::Cond _hw_reset_condition; Glib::Threads::Cond _hw_reset_condition;
Glib::Threads::Mutex _reset_request_lock; Glib::Threads::Mutex _reset_request_lock;
gint _stop_hw_reset_processing; gint _stop_hw_reset_processing;
Glib::Threads::Thread* _hw_devicelist_update_thread; Glib::Threads::Thread* _hw_devicelist_update_thread;
gint _hw_devicelist_update_count; gint _hw_devicelist_update_count;
Glib::Threads::Cond _hw_devicelist_update_condition; Glib::Threads::Cond _hw_devicelist_update_condition;
Glib::Threads::Mutex _devicelist_update_lock; Glib::Threads::Mutex _devicelist_update_lock;
gint _stop_hw_devicelist_processing; gint _stop_hw_devicelist_processing;
void start_hw_event_processing(); void start_hw_event_processing();
void stop_hw_event_processing(); void stop_hw_event_processing();
void do_reset_backend(); void do_reset_backend();
void do_devicelist_update(); void do_devicelist_update();
void meter_thread (); void meter_thread ();
void start_metering_thread (); void start_metering_thread ();
void stop_metering_thread (); void stop_metering_thread ();
static gint m_meter_exit; static gint m_meter_exit;
typedef std::map<std::string,AudioBackendInfo*> BackendMap; typedef std::map<std::string,AudioBackendInfo*> BackendMap;
BackendMap _backends; BackendMap _backends;
AudioBackendInfo* backend_discover (const std::string&); AudioBackendInfo* backend_discover (const std::string&);
void drop_backend (); void drop_backend ();
}; };
} // namespace ARDOUR } // namespace ARDOUR