356 lines
10 KiB
C++
356 lines
10 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtk2_ardour_engine_dialog_h__
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#define __gtk2_ardour_engine_dialog_h__
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#include <map>
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#include <vector>
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#include <string>
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#include <gtkmm/box.h>
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#include <gtkmm/button.h>
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#include <gtkmm/buttonbox.h>
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#include <gtkmm/comboboxtext.h>
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#include <gtkmm/checkbutton.h>
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#include <gtkmm/expander.h>
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#include <gtkmm/notebook.h>
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#include <gtkmm/spinbutton.h>
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#include <gtkmm/table.h>
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#include "pbd/signals.h"
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#include "widgets/ardour_button.h"
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#include "ardour_dialog.h"
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class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList
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{
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public:
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EngineControl ();
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~EngineControl ();
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static bool need_setup ();
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XMLNode& get_state ();
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bool set_state (const XMLNode&);
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void set_desired_sample_rate (uint32_t);
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bool try_autostart ();
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private:
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Gtk::Notebook notebook;
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Gtk::Label engine_status;
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/* core fields used by all backends */
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Gtk::Table basic_packer;
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Gtk::HBox basic_hbox;
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Gtk::VBox basic_vbox;
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Gtk::ComboBoxText backend_combo;
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Gtk::ComboBoxText driver_combo;
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Gtk::ComboBoxText device_combo;
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Gtk::ComboBoxText input_device_combo;
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Gtk::ComboBoxText output_device_combo;
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Gtk::ComboBoxText sample_rate_combo;
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Gtk::ComboBoxText midi_option_combo;
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Gtk::ComboBoxText buffer_size_combo;
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Gtk::Label buffer_size_duration_label;
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Gtk::ComboBoxText nperiods_combo;
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Gtk::Adjustment input_latency_adjustment;
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Gtk::SpinButton input_latency;
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Gtk::Adjustment output_latency_adjustment;
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Gtk::SpinButton output_latency;
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Gtk::Adjustment input_channels_adjustment;
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Gtk::SpinButton input_channels;
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Gtk::Adjustment output_channels_adjustment;
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Gtk::SpinButton output_channels;
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Gtk::Adjustment ports_adjustment;
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Gtk::SpinButton ports_spinner;
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Gtk::Label have_control_text;
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ArdourWidgets::ArdourButton control_app_button;
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ArdourWidgets::ArdourButton midi_devices_button;
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ArdourWidgets::ArdourButton start_stop_button;
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ArdourWidgets::ArdourButton update_devices_button;
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ArdourWidgets::ArdourButton use_buffered_io_button;
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Gtk::Button connect_disconnect_button;
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/* latency measurement */
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Gtk::ComboBoxText lm_output_channel_combo;
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Gtk::ComboBoxText lm_input_channel_combo;
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Gtk::Label lm_measure_label;
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Gtk::Button lm_measure_button;
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Gtk::Button lm_use_button;
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Gtk::Button lm_back_button;
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ArdourWidgets::ArdourButton lm_button_audio;
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Gtk::Label lm_title;
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Gtk::Label lm_preamble;
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Gtk::Label lm_results;
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Gtk::Table lm_table;
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Gtk::VBox lm_vbox;
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bool have_lm_results;
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bool lm_running;
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/* MIDI Tab */
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Gtk::VBox midi_vbox;
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Gtk::Button midi_back_button;
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Gtk::Table midi_device_table;
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/* MIDI ... JACK */
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Gtk::CheckButton aj_button;
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uint32_t ignore_changes; // state save/load
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uint32_t ignore_device_changes; // AudioEngine::DeviceListChanged
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uint32_t _desired_sample_rate;
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bool started_at_least_once;
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bool queue_device_changed;
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void driver_changed ();
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void backend_changed ();
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void sample_rate_changed ();
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void buffer_size_changed ();
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void nperiods_changed ();
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void parameter_changed ();
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void midi_option_changed ();
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void setup_midi_tab_for_backend ();
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void setup_midi_tab_for_jack ();
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void refresh_midi_display (std::string focus = "");
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void update_midi_options ();
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std::string bufsize_as_string (uint32_t);
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std::string nperiods_as_string (uint32_t);
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std::vector<float> get_default_sample_rates ();
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std::vector<uint32_t> get_default_buffer_sizes ();
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std::vector<float> get_sample_rates_for_all_devices ();
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std::vector<uint32_t> get_buffer_sizes_for_all_devices ();
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float get_rate() const;
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uint32_t get_buffer_size() const;
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uint32_t get_nperiods() const;
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uint32_t get_input_channels() const;
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uint32_t get_output_channels() const;
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uint32_t get_input_latency() const;
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uint32_t get_output_latency() const;
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std::string get_device_name() const;
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std::string get_input_device_name() const;
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std::string get_output_device_name() const;
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std::string get_driver() const;
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std::string get_backend() const;
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std::string get_midi_option () const;
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bool get_use_buffered_io () const;
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std::string get_default_device (const std::string&,
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const std::vector<std::string>&);
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void device_changed ();
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void input_device_changed ();
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void output_device_changed ();
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bool set_driver_popdown_strings ();
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bool set_device_popdown_strings ();
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bool set_input_device_popdown_strings ();
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bool set_output_device_popdown_strings ();
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void set_samplerate_popdown_strings ();
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void set_buffersize_popdown_strings ();
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void set_nperiods_popdown_strings ();
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void list_devices ();
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void show_buffer_duration ();
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void configure_midi_devices ();
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struct MidiDeviceSetting {
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std::string name;
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bool enabled;
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uint32_t input_latency;
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uint32_t output_latency;
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MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0)
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: name (n)
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, enabled (en)
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, input_latency (inl)
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, output_latency (oul)
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{}
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};
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typedef boost::shared_ptr<MidiDeviceSetting> MidiDeviceSettings;
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bool _can_set_midi_latencies;
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std::vector<MidiDeviceSettings> _midi_devices;
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MidiDeviceSettings find_midi_device(std::string devicename) const {
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for (std::vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
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if ((*p)->name == devicename) {
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return *p;
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}
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}
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return MidiDeviceSettings();
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}
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struct StateStruct {
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std::string backend;
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std::string driver;
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std::string device;
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std::string input_device;
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std::string output_device;
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float sample_rate;
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uint32_t buffer_size;
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uint32_t n_periods;
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uint32_t input_latency;
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uint32_t output_latency;
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uint32_t input_channels;
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uint32_t output_channels;
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bool active;
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bool use_buffered_io;
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std::string midi_option;
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std::vector<MidiDeviceSettings> midi_devices;
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time_t lru;
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StateStruct()
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: sample_rate (48000)
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, buffer_size (1024)
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, input_latency (0)
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, output_latency (0)
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, input_channels (0)
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, output_channels (0)
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, active (false)
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, use_buffered_io (false)
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, lru (0)
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{}
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};
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typedef boost::shared_ptr<StateStruct> State;
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typedef std::list<State> StateList;
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static bool state_sort_cmp (const State &a, const State &b);
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StateList states;
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State get_matching_state (const std::string& backend);
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State get_matching_state (const std::string& backend,
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const std::string& driver,
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const std::string& device);
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State get_matching_state (const std::string& backend,
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const std::string& driver,
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const std::string& input_device,
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const std::string& output_device);
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State get_saved_state_for_currently_displayed_backend_and_device ();
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void maybe_display_saved_state ();
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State save_state ();
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void store_state (State);
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bool equivalent_states (const State&, const State&);
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bool set_current_state (const State& state);
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void set_default_state ();
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bool _have_control;
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static bool print_channel_count (Gtk::SpinButton*);
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void build_notebook ();
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void build_full_control_notebook ();
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void build_no_control_notebook ();
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void connect_changed_signals ();
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void block_changed_signals ();
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void unblock_changed_signals ();
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class SignalBlocker
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{
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public:
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SignalBlocker (EngineControl& engine_control, const std::string& reason);
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~SignalBlocker ();
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private:
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EngineControl& ec;
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std::string m_reason;
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};
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uint32_t block_signals;
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sigc::connection backend_combo_connection;
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sigc::connection driver_combo_connection;
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sigc::connection sample_rate_combo_connection;
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sigc::connection buffer_size_combo_connection;
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sigc::connection nperiods_combo_connection;
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sigc::connection device_combo_connection;
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sigc::connection input_device_combo_connection;
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sigc::connection output_device_combo_connection;
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sigc::connection midi_option_combo_connection;
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sigc::connection input_latency_connection;
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sigc::connection output_latency_connection;
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sigc::connection input_channels_connection;
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sigc::connection output_channels_connection;
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void on_show ();
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void on_map ();
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void control_app_button_clicked ();
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void start_stop_button_clicked ();
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void update_devices_button_clicked ();
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void use_buffered_io_button_clicked ();
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void use_latency_button_clicked ();
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void manage_control_app_sensitivity ();
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int push_state_to_backend (bool start);
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void post_push ();
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void update_sensitivity ();
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bool start_engine ();
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bool stop_engine (bool for_latency = false);
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/* latency measurement */
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void latency_button_clicked ();
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void latency_back_button_clicked ();
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bool check_audio_latency_measurement ();
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bool check_midi_latency_measurement ();
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sigc::connection latency_timeout;
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void enable_latency_tab ();
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void disable_latency_tab ();
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void start_latency_detection ();
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void end_latency_detection ();
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void on_switch_page (GtkNotebookPage*, guint page_num);
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bool on_delete_event (GdkEventAny*);
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void engine_running ();
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void engine_stopped ();
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void device_list_changed ();
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PBD::ScopedConnection running_connection;
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PBD::ScopedConnectionList stopped_connection;
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PBD::ScopedConnection devicelist_connection;
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void connect_disconnect_click ();
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void calibrate_audio_latency ();
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void calibrate_midi_latency (MidiDeviceSettings);
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MidiDeviceSettings _measure_midi;
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void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool);
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void midi_device_enabled_toggled(ArdourWidgets::ArdourButton *, MidiDeviceSettings);
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sigc::connection lm_back_button_signal;
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};
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#endif /* __gtk2_ardour_engine_dialog_h__ */
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