2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk2_ardour_engine_dialog_h__
21 #define __gtk2_ardour_engine_dialog_h__
27 #include <gtkmm/checkbutton.h>
28 #include <gtkmm/spinbutton.h>
29 #include <gtkmm/comboboxtext.h>
30 #include <gtkmm/table.h>
31 #include <gtkmm/expander.h>
32 #include <gtkmm/box.h>
33 #include <gtkmm/buttonbox.h>
34 #include <gtkmm/button.h>
36 #include "pbd/signals.h"
38 #include "ardour_dialog.h"
39 #include "ardour_button.h"
41 class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
46 static bool need_setup ();
48 XMLNode& get_state ();
49 bool set_state (const XMLNode&);
51 void set_desired_sample_rate (uint32_t);
54 Gtk::Notebook notebook;
56 Gtk::Label engine_status;
58 /* core fields used by all backends */
60 Gtk::Table basic_packer;
64 Gtk::ComboBoxText backend_combo;
65 Gtk::ComboBoxText driver_combo;
66 Gtk::ComboBoxText device_combo;
67 Gtk::ComboBoxText input_device_combo;
68 Gtk::ComboBoxText output_device_combo;
69 Gtk::ComboBoxText sample_rate_combo;
70 Gtk::ComboBoxText midi_option_combo;
71 Gtk::ComboBoxText buffer_size_combo;
72 Gtk::Label buffer_size_duration_label;
73 Gtk::ComboBoxText nperiods_combo;
74 Gtk::Adjustment input_latency_adjustment;
75 Gtk::SpinButton input_latency;
76 Gtk::Adjustment output_latency_adjustment;
77 Gtk::SpinButton output_latency;
78 Gtk::Adjustment input_channels_adjustment;
79 Gtk::SpinButton input_channels;
80 Gtk::Adjustment output_channels_adjustment;
81 Gtk::SpinButton output_channels;
82 Gtk::Adjustment ports_adjustment;
83 Gtk::SpinButton ports_spinner;
85 Gtk::Label have_control_text;
86 ArdourButton control_app_button;
87 ArdourButton midi_devices_button;
88 ArdourButton start_stop_button;
89 ArdourButton update_devices_button;
91 Gtk::Button connect_disconnect_button;
93 /* latency measurement */
95 Gtk::ComboBoxText lm_output_channel_combo;
96 Gtk::ComboBoxText lm_input_channel_combo;
97 Gtk::Label lm_measure_label;
98 Gtk::Button lm_measure_button;
99 Gtk::Button lm_use_button;
100 Gtk::Button lm_back_button;
101 ArdourButton lm_button_audio;
103 Gtk::Label lm_preamble;
104 Gtk::Label lm_results;
107 bool have_lm_results;
110 Gtk::Button* cancel_button;
111 Gtk::Button* ok_button;
116 Gtk::Button midi_back_button;
117 Gtk::Table midi_device_table;
121 Gtk::CheckButton aj_button;
123 uint32_t ignore_changes;
124 uint32_t _desired_sample_rate;
125 bool started_at_least_once;
126 bool queue_device_changed;
128 void driver_changed ();
129 void backend_changed ();
130 void sample_rate_changed ();
131 void buffer_size_changed ();
132 void nperiods_changed ();
133 void parameter_changed ();
134 void midi_option_changed ();
136 void setup_midi_tab_for_backend ();
137 void setup_midi_tab_for_jack ();
138 void refresh_midi_display (std::string focus = "");
140 void update_midi_options ();
142 std::string bufsize_as_string (uint32_t);
143 std::string nperiods_as_string (uint32_t);
145 std::vector<float> get_default_sample_rates ();
146 std::vector<uint32_t> get_default_buffer_sizes ();
148 std::vector<float> get_sample_rates_for_all_devices ();
149 std::vector<uint32_t> get_buffer_sizes_for_all_devices ();
151 float get_rate() const;
152 uint32_t get_buffer_size() const;
153 uint32_t get_nperiods() const;
154 uint32_t get_input_channels() const;
155 uint32_t get_output_channels() const;
156 uint32_t get_input_latency() const;
157 uint32_t get_output_latency() const;
158 std::string get_device_name() const;
159 std::string get_input_device_name() const;
160 std::string get_output_device_name() const;
161 std::string get_driver() const;
162 std::string get_backend() const;
163 std::string get_midi_option () const;
165 std::string get_default_device (const std::string&,
166 const std::vector<std::string>&);
168 void device_changed ();
169 void input_device_changed ();
170 void output_device_changed ();
171 bool set_driver_popdown_strings ();
172 bool set_device_popdown_strings ();
173 bool set_input_device_popdown_strings ();
174 bool set_output_device_popdown_strings ();
175 void set_samplerate_popdown_strings ();
176 void set_buffersize_popdown_strings ();
177 void set_nperiods_popdown_strings ();
178 void list_devices ();
179 void show_buffer_duration ();
181 void configure_midi_devices ();
183 struct MidiDeviceSetting {
186 uint32_t input_latency;
187 uint32_t output_latency;
189 MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0)
192 , input_latency (inl)
193 , output_latency (oul)
197 typedef boost::shared_ptr<MidiDeviceSetting> MidiDeviceSettings;
198 bool _can_set_midi_latencies;
199 std::vector<MidiDeviceSettings> _midi_devices;
201 MidiDeviceSettings find_midi_device(std::string devicename) const {
202 for (std::vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
203 if ((*p)->name == devicename) {
207 return MidiDeviceSettings();
214 std::string input_device;
215 std::string output_device;
217 uint32_t buffer_size;
219 uint32_t input_latency;
220 uint32_t output_latency;
221 uint32_t input_channels;
222 uint32_t output_channels;
224 std::string midi_option;
225 std::vector<MidiDeviceSettings> midi_devices;
229 : sample_rate (48000)
234 , output_channels (0)
240 typedef boost::shared_ptr<StateStruct> State;
241 typedef std::list<State> StateList;
242 static bool state_sort_cmp (const State &a, const State &b);
246 State get_matching_state (const std::string& backend);
247 State get_matching_state (const std::string& backend,
248 const std::string& driver,
249 const std::string& device);
250 State get_matching_state (const std::string& backend,
251 const std::string& driver,
252 const std::string& input_device,
253 const std::string& output_device);
254 State get_saved_state_for_currently_displayed_backend_and_device ();
255 void maybe_display_saved_state ();
257 void store_state (State);
258 bool equivalent_states (const State&, const State&);
260 bool set_current_state (const State& state);
261 void set_default_state ();
265 static bool print_channel_count (Gtk::SpinButton*);
267 void build_notebook ();
268 void build_full_control_notebook ();
269 void build_no_control_notebook ();
271 void connect_changed_signals ();
272 void block_changed_signals ();
273 void unblock_changed_signals ();
278 SignalBlocker (EngineControl& engine_control, const std::string& reason);
284 std::string m_reason;
287 uint32_t block_signals;
289 sigc::connection backend_combo_connection;
290 sigc::connection driver_combo_connection;
291 sigc::connection sample_rate_combo_connection;
292 sigc::connection buffer_size_combo_connection;
293 sigc::connection nperiods_combo_connection;
294 sigc::connection device_combo_connection;
295 sigc::connection input_device_combo_connection;
296 sigc::connection output_device_combo_connection;
297 sigc::connection midi_option_combo_connection;
298 sigc::connection input_latency_connection;
299 sigc::connection output_latency_connection;
300 sigc::connection input_channels_connection;
301 sigc::connection output_channels_connection;
304 void on_response (int);
305 void control_app_button_clicked ();
306 void start_stop_button_clicked ();
307 void update_devices_button_clicked ();
308 void use_latency_button_clicked ();
309 void manage_control_app_sensitivity ();
310 int push_state_to_backend (bool start);
312 void update_sensitivity ();
313 bool start_engine ();
314 bool stop_engine (bool for_latency = false);
316 /* latency measurement */
317 void latency_button_clicked ();
318 void latency_back_button_clicked ();
319 bool check_audio_latency_measurement ();
320 bool check_midi_latency_measurement ();
321 sigc::connection latency_timeout;
322 void enable_latency_tab ();
323 void disable_latency_tab ();
324 void start_latency_detection ();
325 void end_latency_detection ();
327 void on_switch_page (GtkNotebookPage*, guint page_num);
328 bool on_delete_event (GdkEventAny*);
330 void engine_running ();
331 void engine_stopped ();
332 void device_list_changed ();
334 PBD::ScopedConnection running_connection;
335 PBD::ScopedConnectionList stopped_connection;
336 PBD::ScopedConnection devicelist_connection;
338 void connect_disconnect_click ();
339 void calibrate_audio_latency ();
340 void calibrate_midi_latency (MidiDeviceSettings);
342 MidiDeviceSettings _measure_midi;
343 void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool);
344 void midi_device_enabled_toggled(ArdourButton *, MidiDeviceSettings);
345 sigc::connection lm_back_button_signal;
348 #endif /* __gtk2_ardour_engine_dialog_h__ */