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);
52 bool try_autostart ();
55 Gtk::Notebook notebook;
57 Gtk::Label engine_status;
59 /* core fields used by all backends */
61 Gtk::Table basic_packer;
65 Gtk::ComboBoxText backend_combo;
66 Gtk::ComboBoxText driver_combo;
67 Gtk::ComboBoxText device_combo;
68 Gtk::ComboBoxText input_device_combo;
69 Gtk::ComboBoxText output_device_combo;
70 Gtk::ComboBoxText sample_rate_combo;
71 Gtk::ComboBoxText midi_option_combo;
72 Gtk::ComboBoxText buffer_size_combo;
73 Gtk::Label buffer_size_duration_label;
74 Gtk::ComboBoxText nperiods_combo;
75 Gtk::Adjustment input_latency_adjustment;
76 Gtk::SpinButton input_latency;
77 Gtk::Adjustment output_latency_adjustment;
78 Gtk::SpinButton output_latency;
79 Gtk::Adjustment input_channels_adjustment;
80 Gtk::SpinButton input_channels;
81 Gtk::Adjustment output_channels_adjustment;
82 Gtk::SpinButton output_channels;
83 Gtk::Adjustment ports_adjustment;
84 Gtk::SpinButton ports_spinner;
86 Gtk::Label have_control_text;
87 ArdourButton control_app_button;
88 ArdourButton midi_devices_button;
89 ArdourButton start_stop_button;
90 ArdourButton update_devices_button;
91 ArdourButton use_buffered_io_button;
93 Gtk::Button connect_disconnect_button;
95 /* latency measurement */
97 Gtk::ComboBoxText lm_output_channel_combo;
98 Gtk::ComboBoxText lm_input_channel_combo;
99 Gtk::Label lm_measure_label;
100 Gtk::Button lm_measure_button;
101 Gtk::Button lm_use_button;
102 Gtk::Button lm_back_button;
103 ArdourButton lm_button_audio;
105 Gtk::Label lm_preamble;
106 Gtk::Label lm_results;
109 bool have_lm_results;
115 Gtk::Button midi_back_button;
116 Gtk::Table midi_device_table;
120 Gtk::CheckButton aj_button;
122 uint32_t ignore_changes; // state save/load
123 uint32_t ignore_device_changes; // AudioEngine::DeviceListChanged
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;
164 bool get_use_buffered_io () const;
166 std::string get_default_device (const std::string&,
167 const std::vector<std::string>&);
169 void device_changed ();
170 void input_device_changed ();
171 void output_device_changed ();
172 bool set_driver_popdown_strings ();
173 bool set_device_popdown_strings ();
174 bool set_input_device_popdown_strings ();
175 bool set_output_device_popdown_strings ();
176 void set_samplerate_popdown_strings ();
177 void set_buffersize_popdown_strings ();
178 void set_nperiods_popdown_strings ();
179 void list_devices ();
180 void show_buffer_duration ();
182 void configure_midi_devices ();
184 struct MidiDeviceSetting {
187 uint32_t input_latency;
188 uint32_t output_latency;
190 MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0)
193 , input_latency (inl)
194 , output_latency (oul)
198 typedef boost::shared_ptr<MidiDeviceSetting> MidiDeviceSettings;
199 bool _can_set_midi_latencies;
200 std::vector<MidiDeviceSettings> _midi_devices;
202 MidiDeviceSettings find_midi_device(std::string devicename) const {
203 for (std::vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
204 if ((*p)->name == devicename) {
208 return MidiDeviceSettings();
215 std::string input_device;
216 std::string output_device;
218 uint32_t buffer_size;
220 uint32_t input_latency;
221 uint32_t output_latency;
222 uint32_t input_channels;
223 uint32_t output_channels;
225 bool use_buffered_io;
226 std::string midi_option;
227 std::vector<MidiDeviceSettings> midi_devices;
231 : sample_rate (48000)
236 , output_channels (0)
238 , use_buffered_io (false)
243 typedef boost::shared_ptr<StateStruct> State;
244 typedef std::list<State> StateList;
245 static bool state_sort_cmp (const State &a, const State &b);
249 State get_matching_state (const std::string& backend);
250 State get_matching_state (const std::string& backend,
251 const std::string& driver,
252 const std::string& device);
253 State get_matching_state (const std::string& backend,
254 const std::string& driver,
255 const std::string& input_device,
256 const std::string& output_device);
257 State get_saved_state_for_currently_displayed_backend_and_device ();
258 void maybe_display_saved_state ();
260 void store_state (State);
261 bool equivalent_states (const State&, const State&);
263 bool set_current_state (const State& state);
264 void set_default_state ();
268 static bool print_channel_count (Gtk::SpinButton*);
270 void build_notebook ();
271 void build_full_control_notebook ();
272 void build_no_control_notebook ();
274 void connect_changed_signals ();
275 void block_changed_signals ();
276 void unblock_changed_signals ();
281 SignalBlocker (EngineControl& engine_control, const std::string& reason);
287 std::string m_reason;
290 uint32_t block_signals;
292 sigc::connection backend_combo_connection;
293 sigc::connection driver_combo_connection;
294 sigc::connection sample_rate_combo_connection;
295 sigc::connection buffer_size_combo_connection;
296 sigc::connection nperiods_combo_connection;
297 sigc::connection device_combo_connection;
298 sigc::connection input_device_combo_connection;
299 sigc::connection output_device_combo_connection;
300 sigc::connection midi_option_combo_connection;
301 sigc::connection input_latency_connection;
302 sigc::connection output_latency_connection;
303 sigc::connection input_channels_connection;
304 sigc::connection output_channels_connection;
308 void control_app_button_clicked ();
309 void start_stop_button_clicked ();
310 void update_devices_button_clicked ();
311 void use_buffered_io_button_clicked ();
312 void use_latency_button_clicked ();
313 void manage_control_app_sensitivity ();
314 int push_state_to_backend (bool start);
316 void update_sensitivity ();
317 bool start_engine ();
318 bool stop_engine (bool for_latency = false);
320 /* latency measurement */
321 void latency_button_clicked ();
322 void latency_back_button_clicked ();
323 bool check_audio_latency_measurement ();
324 bool check_midi_latency_measurement ();
325 sigc::connection latency_timeout;
326 void enable_latency_tab ();
327 void disable_latency_tab ();
328 void start_latency_detection ();
329 void end_latency_detection ();
331 void on_switch_page (GtkNotebookPage*, guint page_num);
332 bool on_delete_event (GdkEventAny*);
334 void engine_running ();
335 void engine_stopped ();
336 void device_list_changed ();
338 PBD::ScopedConnection running_connection;
339 PBD::ScopedConnectionList stopped_connection;
340 PBD::ScopedConnection devicelist_connection;
342 void connect_disconnect_click ();
343 void calibrate_audio_latency ();
344 void calibrate_midi_latency (MidiDeviceSettings);
346 MidiDeviceSettings _measure_midi;
347 void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool);
348 void midi_device_enabled_toggled(ArdourButton *, MidiDeviceSettings);
349 sigc::connection lm_back_button_signal;
352 #endif /* __gtk2_ardour_engine_dialog_h__ */