bool set_state (const XMLNode&);
void set_desired_sample_rate (uint32_t);
+ bool try_autostart ();
private:
Gtk::Notebook notebook;
Gtk::ComboBoxText midi_option_combo;
Gtk::ComboBoxText buffer_size_combo;
Gtk::Label buffer_size_duration_label;
+ Gtk::ComboBoxText nperiods_combo;
Gtk::Adjustment input_latency_adjustment;
Gtk::SpinButton input_latency;
Gtk::Adjustment output_latency_adjustment;
ArdourButton midi_devices_button;
ArdourButton start_stop_button;
ArdourButton update_devices_button;
+ ArdourButton use_buffered_io_button;
Gtk::Button connect_disconnect_button;
Gtk::CheckButton aj_button;
- uint32_t ignore_changes;
+ uint32_t ignore_changes; // state save/load
+ uint32_t ignore_device_changes; // AudioEngine::DeviceListChanged
uint32_t _desired_sample_rate;
bool started_at_least_once;
bool queue_device_changed;
void backend_changed ();
void sample_rate_changed ();
void buffer_size_changed ();
+ void nperiods_changed ();
void parameter_changed ();
void midi_option_changed ();
void update_midi_options ();
- std::string bufsize_as_string (uint32_t);
+ std::string bufsize_as_string (uint32_t);
+ std::string nperiods_as_string (uint32_t);
std::vector<float> get_default_sample_rates ();
std::vector<uint32_t> get_default_buffer_sizes ();
float get_rate() const;
uint32_t get_buffer_size() const;
+ uint32_t get_nperiods() const;
uint32_t get_input_channels() const;
uint32_t get_output_channels() const;
uint32_t get_input_latency() const;
std::string get_driver() const;
std::string get_backend() const;
std::string get_midi_option () const;
+ bool get_use_buffered_io () const;
std::string get_default_device (const std::string&,
const std::vector<std::string>&);
bool set_output_device_popdown_strings ();
void set_samplerate_popdown_strings ();
void set_buffersize_popdown_strings ();
+ void set_nperiods_popdown_strings ();
void list_devices ();
void show_buffer_duration ();
std::string output_device;
float sample_rate;
uint32_t buffer_size;
+ uint32_t n_periods;
uint32_t input_latency;
uint32_t output_latency;
uint32_t input_channels;
uint32_t output_channels;
bool active;
+ bool use_buffered_io;
std::string midi_option;
std::vector<MidiDeviceSettings> midi_devices;
+ time_t lru;
StateStruct()
: sample_rate (48000)
, output_latency (0)
, input_channels (0)
, output_channels (0)
- , active (false) {}
+ , active (false)
+ , use_buffered_io (false)
+ , lru (0) {}
};
typedef boost::shared_ptr<StateStruct> State;
typedef std::list<State> StateList;
+ static bool state_sort_cmp (const State &a, const State &b);
StateList states;
+ State get_matching_state (const std::string& backend);
State get_matching_state (const std::string& backend,
const std::string& driver,
const std::string& device);
sigc::connection driver_combo_connection;
sigc::connection sample_rate_combo_connection;
sigc::connection buffer_size_combo_connection;
+ sigc::connection nperiods_combo_connection;
sigc::connection device_combo_connection;
sigc::connection input_device_combo_connection;
sigc::connection output_device_combo_connection;
void control_app_button_clicked ();
void start_stop_button_clicked ();
void update_devices_button_clicked ();
+ void use_buffered_io_button_clicked ();
void use_latency_button_clicked ();
void manage_control_app_sensitivity ();
int push_state_to_backend (bool start);
void post_push ();
void update_sensitivity ();
bool start_engine ();
+ bool stop_engine (bool for_latency = false);
/* latency measurement */
void latency_button_clicked ();
+ void latency_back_button_clicked ();
bool check_audio_latency_measurement ();
bool check_midi_latency_measurement ();
sigc::connection latency_timeout;