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 void 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 sample_rate_combo;
68 Gtk::ComboBoxText midi_option_combo;
69 Gtk::ComboBoxText buffer_size_combo;
70 Gtk::Label buffer_size_duration_label;
71 Gtk::Adjustment input_latency_adjustment;
72 Gtk::SpinButton input_latency;
73 Gtk::Adjustment output_latency_adjustment;
74 Gtk::SpinButton output_latency;
75 Gtk::Adjustment input_channels_adjustment;
76 Gtk::SpinButton input_channels;
77 Gtk::Adjustment output_channels_adjustment;
78 Gtk::SpinButton output_channels;
79 Gtk::Adjustment ports_adjustment;
80 Gtk::SpinButton ports_spinner;
82 Gtk::Label have_control_text;
83 Gtk::Button control_app_button;
84 ArdourButton midi_devices_button;
86 Gtk::Button connect_disconnect_button;
88 /* latency measurement */
90 Gtk::ComboBoxText lm_output_channel_combo;
91 Gtk::ComboBoxText lm_input_channel_combo;
92 Gtk::Label lm_measure_label;
93 Gtk::Button lm_measure_button;
94 Gtk::Button lm_use_button;
95 Gtk::Button lm_back_button;
96 ArdourButton lm_button_audio;
98 Gtk::Label lm_preamble;
99 Gtk::Label lm_results;
102 bool have_lm_results;
105 Gtk::Button* cancel_button;
106 Gtk::Button* ok_button;
107 Gtk::Button* apply_button;
112 Gtk::Button midi_back_button;
113 Gtk::Table midi_device_table;
117 Gtk::CheckButton aj_button;
119 uint32_t ignore_changes;
120 uint32_t _desired_sample_rate;
121 bool started_at_least_once;
123 void driver_changed ();
124 void backend_changed ();
125 void sample_rate_changed ();
126 void buffer_size_changed ();
127 void parameter_changed ();
128 void midi_option_changed ();
130 void setup_midi_tab_for_backend ();
131 void setup_midi_tab_for_jack ();
132 void refresh_midi_display (std::string focus = "");
134 std::string bufsize_as_string (uint32_t);
136 float get_rate() const;
137 uint32_t get_buffer_size() const;
138 uint32_t get_input_channels() const;
139 uint32_t get_output_channels() const;
140 uint32_t get_input_latency() const;
141 uint32_t get_output_latency() const;
142 std::string get_device_name() const;
143 std::string get_driver() const;
144 std::string get_backend() const;
145 std::string get_midi_option () const;
147 void device_changed ();
148 void list_devices ();
149 void show_buffer_duration ();
151 void configure_midi_devices ();
153 struct MidiDeviceSetting {
156 uint32_t input_latency;
157 uint32_t output_latency;
159 MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0)
162 , input_latency (inl)
163 , output_latency (oul)
167 typedef boost::shared_ptr<MidiDeviceSetting> MidiDeviceSettings;
168 bool _can_set_midi_latencies;
169 std::vector<MidiDeviceSettings> _midi_devices;
171 MidiDeviceSettings find_midi_device(std::string devicename) const {
172 for (std::vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
173 if ((*p)->name == devicename) {
177 return MidiDeviceSettings();
185 uint32_t buffer_size;
186 uint32_t input_latency;
187 uint32_t output_latency;
188 uint32_t input_channels;
189 uint32_t output_channels;
191 std::string midi_option;
192 std::vector<MidiDeviceSettings> midi_devices;
195 : sample_rate (48000)
200 , output_channels (0)
205 typedef boost::shared_ptr<StateStruct> State;
206 typedef std::list<State> StateList;
210 State get_matching_state (const std::string& backend,
211 const std::string& driver,
212 const std::string& device);
213 State get_saved_state_for_currently_displayed_backend_and_device ();
214 void maybe_display_saved_state ();
216 void store_state (State);
220 static bool print_channel_count (Gtk::SpinButton*);
222 void build_notebook ();
223 void build_full_control_notebook ();
224 void build_no_control_notebook ();
227 void on_response (int);
228 void control_app_button_clicked ();
229 void use_latency_button_clicked ();
230 void manage_control_app_sensitivity ();
231 int push_state_to_backend (bool start);
233 void update_sensitivity ();
235 /* latency measurement */
236 void latency_button_clicked ();
237 bool check_audio_latency_measurement ();
238 bool check_midi_latency_measurement ();
239 sigc::connection latency_timeout;
240 void enable_latency_tab ();
241 void disable_latency_tab ();
242 void start_latency_detection ();
243 void end_latency_detection ();
245 void on_switch_page (GtkNotebookPage*, guint page_num);
246 bool on_delete_event (GdkEventAny*);
248 void engine_running ();
249 void engine_stopped ();
250 PBD::ScopedConnection running_connection;
251 PBD::ScopedConnectionList stopped_connection;
253 void connect_disconnect_click ();
254 void calibrate_audio_latency ();
255 void calibrate_midi_latency (MidiDeviceSettings);
257 MidiDeviceSettings _measure_midi;
258 void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool);
259 void midi_device_enabled_toggled(ArdourButton *, MidiDeviceSettings);
260 sigc::connection lm_back_button_signal;
263 #endif /* __gtk2_ardour_engine_dialog_h__ */