/* Copyright (C) 2010 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 the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __gtk2_ardour_engine_dialog_h__ #define __gtk2_ardour_engine_dialog_h__ #include #include #include #include #include #include #include #include #include #include #include #include "pbd/signals.h" #include "ardour_dialog.h" #include "ardour_button.h" class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList { public: EngineControl (); ~EngineControl (); static bool need_setup (); XMLNode& get_state (); bool set_state (const XMLNode&); void set_desired_sample_rate (uint32_t); bool try_autostart (); private: Gtk::Notebook notebook; Gtk::Label engine_status; /* core fields used by all backends */ Gtk::Table basic_packer; Gtk::HBox basic_hbox; Gtk::VBox basic_vbox; Gtk::ComboBoxText backend_combo; Gtk::ComboBoxText driver_combo; Gtk::ComboBoxText device_combo; Gtk::ComboBoxText input_device_combo; Gtk::ComboBoxText output_device_combo; Gtk::ComboBoxText sample_rate_combo; 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; Gtk::SpinButton output_latency; Gtk::Adjustment input_channels_adjustment; Gtk::SpinButton input_channels; Gtk::Adjustment output_channels_adjustment; Gtk::SpinButton output_channels; Gtk::Adjustment ports_adjustment; Gtk::SpinButton ports_spinner; Gtk::Label have_control_text; ArdourButton control_app_button; ArdourButton midi_devices_button; ArdourButton start_stop_button; ArdourButton update_devices_button; ArdourButton use_buffered_io_button; Gtk::Button connect_disconnect_button; /* latency measurement */ Gtk::ComboBoxText lm_output_channel_combo; Gtk::ComboBoxText lm_input_channel_combo; Gtk::Label lm_measure_label; Gtk::Button lm_measure_button; Gtk::Button lm_use_button; Gtk::Button lm_back_button; ArdourButton lm_button_audio; Gtk::Label lm_title; Gtk::Label lm_preamble; Gtk::Label lm_results; Gtk::Table lm_table; Gtk::VBox lm_vbox; bool have_lm_results; bool lm_running; /* MIDI Tab */ Gtk::VBox midi_vbox; Gtk::Button midi_back_button; Gtk::Table midi_device_table; /* MIDI ... JACK */ Gtk::CheckButton aj_button; 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 driver_changed (); void backend_changed (); void sample_rate_changed (); void buffer_size_changed (); void nperiods_changed (); void parameter_changed (); void midi_option_changed (); void setup_midi_tab_for_backend (); void setup_midi_tab_for_jack (); void refresh_midi_display (std::string focus = ""); void update_midi_options (); std::string bufsize_as_string (uint32_t); std::string nperiods_as_string (uint32_t); std::vector get_default_sample_rates (); std::vector get_default_buffer_sizes (); std::vector get_sample_rates_for_all_devices (); std::vector get_buffer_sizes_for_all_devices (); 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; uint32_t get_output_latency() const; std::string get_device_name() const; std::string get_input_device_name() const; std::string get_output_device_name() 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&); void device_changed (); void input_device_changed (); void output_device_changed (); bool set_driver_popdown_strings (); bool set_device_popdown_strings (); bool set_input_device_popdown_strings (); 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 (); void configure_midi_devices (); struct MidiDeviceSetting { std::string name; bool enabled; uint32_t input_latency; uint32_t output_latency; MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0) : name (n) , enabled (en) , input_latency (inl) , output_latency (oul) {} }; typedef boost::shared_ptr MidiDeviceSettings; bool _can_set_midi_latencies; std::vector _midi_devices; MidiDeviceSettings find_midi_device(std::string devicename) const { for (std::vector::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) { if ((*p)->name == devicename) { return *p; } } return MidiDeviceSettings(); } struct StateStruct { std::string backend; std::string driver; std::string device; std::string input_device; 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 midi_devices; time_t lru; StateStruct() : sample_rate (48000) , buffer_size (1024) , input_latency (0) , output_latency (0) , input_channels (0) , output_channels (0) , active (false) , use_buffered_io (false) , lru (0) {} }; typedef boost::shared_ptr State; typedef std::list 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); State get_matching_state (const std::string& backend, const std::string& driver, const std::string& input_device, const std::string& output_device); State get_saved_state_for_currently_displayed_backend_and_device (); void maybe_display_saved_state (); State save_state (); void store_state (State); bool equivalent_states (const State&, const State&); bool set_current_state (const State& state); void set_default_state (); bool _have_control; static bool print_channel_count (Gtk::SpinButton*); void build_notebook (); void build_full_control_notebook (); void build_no_control_notebook (); void connect_changed_signals (); void block_changed_signals (); void unblock_changed_signals (); class SignalBlocker { public: SignalBlocker (EngineControl& engine_control, const std::string& reason); ~SignalBlocker (); private: EngineControl& ec; std::string m_reason; }; uint32_t block_signals; sigc::connection backend_combo_connection; 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; sigc::connection midi_option_combo_connection; sigc::connection input_latency_connection; sigc::connection output_latency_connection; sigc::connection input_channels_connection; sigc::connection output_channels_connection; void on_show (); void on_map (); 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; void enable_latency_tab (); void disable_latency_tab (); void start_latency_detection (); void end_latency_detection (); void on_switch_page (GtkNotebookPage*, guint page_num); bool on_delete_event (GdkEventAny*); void engine_running (); void engine_stopped (); void device_list_changed (); PBD::ScopedConnection running_connection; PBD::ScopedConnectionList stopped_connection; PBD::ScopedConnection devicelist_connection; void connect_disconnect_click (); void calibrate_audio_latency (); void calibrate_midi_latency (MidiDeviceSettings); MidiDeviceSettings _measure_midi; void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool); void midi_device_enabled_toggled(ArdourButton *, MidiDeviceSettings); sigc::connection lm_back_button_signal; }; #endif /* __gtk2_ardour_engine_dialog_h__ */