--- /dev/null
+/* Decibel Meter for MAEMO 5
+* Copyright (C) 2010 Dru Moore <usr@dru-id.co.uk>
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2,
+* or (at your option) any later version, as published by the Free
+* Software Foundation
+*
+* 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.,
+* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+namespace IdWorks {
+
+public class DecibelMeter : Hildon.Program {
+
+ Hildon.StackableWindow window;
+ Osso.Context osso_context;
+ MeterWidget channel_one;
+ MeterWidget channel_two;
+ AudioCaptureMonitor monitor;
+
+ Hildon.Button play_button;
+ bool is_playing = false;
+ Gtk.Image play_icon;
+ Gtk.Image stop_icon;
+ Gtk.Image mic_icon;
+ Gtk.Image audio_icon;
+ Gtk.Image bt_icon;
+ Hildon.TouchSelector source_selector;
+ Hildon.PickerButton source_picker;
+
+ construct {
+ osso_context = new Osso.Context("decibelmeter", "0.1", false, null);
+ window = new Hildon.StackableWindow();
+ window.destroy.connect(Gtk.main_quit);
+ window.set_title("Decibel Meter");
+
+ play_icon = new Gtk.Image.from_icon_name("camera_playback", Gtk.IconSize.BUTTON);
+ stop_icon = new Gtk.Image.from_icon_name("camera_video_stop", Gtk.IconSize.BUTTON);
+ mic_icon = new Gtk.Image.from_icon_name("camera_volume_unmuted", Gtk.IconSize.BUTTON);
+ audio_icon = new Gtk.Image.from_icon_name("mediaplayer_main_button_music_pressed", Gtk.IconSize.BUTTON);
+ bt_icon = new Gtk.Image.from_icon_name("general_bluetooth", Gtk.IconSize.BUTTON);
+
+ channel_one = new MeterWidget();
+ channel_one.title = "Channel 1";
+ channel_one.set_layout(DbMonitorWidget.Layout.VERTICAL);
+ channel_two = new MeterWidget();
+ channel_two.title = "Channel 2";
+
+ Gtk.VBox container = new Gtk.VBox(false, 4);
+
+ Gtk.HBox meters = new Gtk.HBox(true, 4);
+ meters.pack_start(channel_one, true, true, 4);
+ meters.pack_start(channel_two, true, true, 4);
+
+ container.add(meters);
+
+ Gtk.HBox control = new Gtk.HBox(false, 4);
+
+
+ play_button = new Hildon.Button(Hildon.SizeType.THUMB_HEIGHT | Hildon.SizeType.AUTO_WIDTH, Hildon.ButtonArrangement.HORIZONTAL);
+ play_button.set_image(play_icon);
+ play_button.clicked.connect(on_play);
+ control.pack_start(play_button, false, true, 4);
+
+ Gtk.HScale volume_slider = new Gtk.HScale.with_range(0.0, 10.0, 0.05);
+ volume_slider.set_value_pos(Gtk.PositionType.LEFT);
+ volume_slider.set_value(1.0);
+ volume_slider.value_changed.connect( (s) => { monitor.set_volume(s.get_value()); } );
+ control.pack_start(new Gtk.Label("Gain:"), false, true, 4);
+ control.pack_start(volume_slider, true, true, 4);
+
+ source_selector = new Hildon.TouchSelector.text();
+ source_selector.append_text("Microphone");
+ source_selector.append_text("Monitor");
+ source_selector.append_text("Bluetooth");
+ //source_selector.set_active(0, 0);
+ this.set_source("Microphone");
+ source_picker = new Hildon.PickerButton(Hildon.SizeType.THUMB_HEIGHT | Hildon.SizeType.AUTO_WIDTH, Hildon.ButtonArrangement.VERTICAL);
+ source_picker.set_title("Source:");
+ source_picker.set_selector(source_selector);
+ source_picker.set_alignment(0, 0, 1, 1);
+ source_picker.set_image(mic_icon);
+ source_picker.value_changed.connect( (s) => { set_input_source(s.get_selector().get_current_text()); } );
+ control.pack_start(source_picker, true, true, 4);
+
+
+ container.add(control);
+
+ window.add(container);
+ construct_menu();
+ construct_monitor();
+ }
+
+ private void construct_menu() {
+
+
+ }
+
+ private void set_source(string name) {
+ switch (name) {
+ case "Microphone":
+ source_selector.set_active(0, 0);
+ source_picker.set_image(mic_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ case "Monitor":
+ source_selector.set_active(0, 1);
+ source_picker.set_image(audio_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ case "Bluetooth":
+ source_selector.set_active(0, 2);
+ source_picker.set_image(bt_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ default:
+ source_selector.set_active(0, 0);
+ source_picker.set_image(mic_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ }
+ if (null != monitor) monitor.set_source(name);
+ }
+ private void set_input_source(string name) {
+ switch (name) {
+ case "Microphone":
+ source_picker.set_image(mic_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ case "Monitor":
+ source_picker.set_image(audio_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ case "Bluetooth":
+ source_picker.set_image(bt_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ default:
+ source_picker.set_image(mic_icon);
+ source_picker.set_text("Source:", name);
+ break;
+ }
+ if (null != monitor) monitor.set_source(name);
+ }
+
+ private void on_play() {
+ if (!is_playing) {
+ play_button.set_image(stop_icon);
+ monitor.play();
+ }
+ else {
+ monitor.stop();
+ play_button.set_image(play_icon);
+ }
+ is_playing = !is_playing;
+ }
+
+ private void construct_monitor() {
+ monitor = new AudioCaptureMonitor.with_settings("Monitor", "Microphone", 1.0);
+ monitor.update_level.connect(level_updated);
+ }
+
+ private void level_updated(int channels, int channel, double rms_dB, double peak_dB, double decay_dB, double rms) {
+ switch(channel) {
+ case 0:
+ channel_one.set_peak(peak_dB);
+ channel_one.set_decay(decay_dB);
+ break;
+ case 1:
+ channel_two.set_peak(peak_dB);
+ channel_two.set_decay(decay_dB);
+ break;
+ default:
+ break;
+ }
+ }
+
+ public void run() {
+ window.show_all();
+ Gtk.main();
+ }
+
+}
+
+}
projects / decibelmeter / blobdiff