source: smplayer/trunk/src/audioequalizer.cpp@ 176

Last change on this file since 176 was 176, checked in by Silvan Scherrer, 9 years ago

smplayer: update trunk to version 16.4
  • Property svn:eol-style set to LF
File size: 9.2 KB
Line 
1/* smplayer, GUI front-end for mplayer.
2 Copyright (C) 2006-2016 Ricardo Villalba <rvm@users.sourceforge.net>
3
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.
8
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.
13
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/
18
19#include "audioequalizer.h"
20#include "eqslider.h"
21#include "images.h"
22#include "preferences.h"
23#include "global.h"
24#include <QLayout>
25#include <QPushButton>
26#include <QLabel>
27#include <QComboBox>
28#include <QMessageBox>
29
30using namespace Global;
31
32AudioEqualizer::AudioEqualizer( QWidget* parent, Qt::WindowFlags f)
33 : QWidget(parent, f)
34{
35 createPresets();
36
37 QBoxLayout *bl = new QHBoxLayout; //(0, 4, 2);
38
39 for (int n = 0; n < 10; n++) {
40 eq[n] = new EqSlider(this);
41 eq[n]->setIcon( QPixmap() );
42 eq[n]->sliderWidget()->setRange(-120, 120);
43 eq[n]->sliderWidget()->setTracking(false);
44 connect(eq[n], SIGNAL(valueChanged(int)), this, SLOT(updatePresetCombo()));
45 bl->addWidget(eq[n]);
46 }
47
48 presets_combo = new QComboBox(this);
49 connect(presets_combo, SIGNAL(activated(int)), this, SLOT(presetChanged(int)));
50
51 presets_label = new QLabel("&Preset", this);
52 presets_label->setBuddy(presets_combo);
53
54 reset_button = new QPushButton( "&Reset", this);
55 connect( reset_button, SIGNAL(clicked()), this, SLOT(reset()) );
56
57 set_default_button = new QPushButton( "&Set as default values", this );
58 connect( set_default_button, SIGNAL(clicked()), this, SLOT(setDefaults()) );
59
60 apply_button = new QPushButton( "&Apply", this );
61 connect( apply_button, SIGNAL(clicked()), this, SLOT(applyButtonClicked()) );
62
63 QBoxLayout *button_layout = new QHBoxLayout; //(0, 4, 2);
64 button_layout->addWidget(presets_label);
65 button_layout->addWidget(presets_combo);
66 button_layout->addStretch();
67 button_layout->addWidget(apply_button);
68 button_layout->addWidget(reset_button);
69 button_layout->addWidget(set_default_button);
70
71 QBoxLayout *layout = new QVBoxLayout(this); //, 4, 2);
72 layout->addLayout(bl);
73 layout->addLayout(button_layout);
74
75 retranslateStrings();
76
77 adjustSize();
78 //setFixedSize( sizeHint() );
79}
80
81AudioEqualizer::~AudioEqualizer() {
82}
83
84void AudioEqualizer::createPresets() {
85 preset_list.clear();
86 AudioEqualizerList preset;
87
88 // Classical
89 preset.clear();
90 preset << 0 << 0 << 0 << 0 << 0 << 0 << -41 << -41 << -41 << -53;
91 preset_list[Classical] = preset;
92
93 // Club
94 preset.clear();
95 preset << 0 << 0 << 47 << 29 << 29 << 29 << 17 << 0 << 0 << 0;
96 preset_list[Club] = preset;
97
98 // Dance
99 preset.clear();
100 preset << 53 << 41 << 11 << 0 << 0 << -29 << -41 << -41 << 0 << 0;
101 preset_list[Dance] = preset;
102
103 // Flat
104 preset.clear();
105 preset << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0;
106 preset_list[Flat] = preset;
107
108 // Fullbass
109 preset.clear();
110 preset << 53 << 53 << 53 << 29 << 5 << -23 << -47 << -59 << -65 << -65;
111 preset_list[Fullbass] = preset;
112
113 // FullbassTreble
114 preset.clear();
115 preset << 41 << 29 << 0 << -41 << -23 << 5 << 47 << 65 << 71 << 71;
116 preset_list[FullbassTreble] = preset;
117
118 // Fulltreble
119 preset.clear();
120 preset << -53 << -53 << -53 << -23 << 11 << 65 << 95 << 95 << 95 << 95;
121 preset_list[Fulltreble] = preset;
122
123 // Headphones
124 preset.clear();
125 preset << 23 << 65 << 29 << -17 << -11 << 5 << 23 << 53 << 71 << 83;
126 preset_list[Headphones] = preset;
127
128 // LargeHall
129 preset.clear();
130 preset << 59 << 59 << 29 << 29 << 0 << -23 << -23 << -23 << 0 << 0;
131 preset_list[LargeHall] = preset;
132
133 // Live
134 preset.clear();
135 preset << -23 << 0 << 23 << 29 << 29 << 29 << 23 << 11 << 11 << 11;
136 preset_list[Live] = preset;
137
138 // Party
139 preset.clear();
140 preset << 41 << 41 << 0 << 0 << 0 << 0 << 0 << 0 << 41 << 41;
141 preset_list[Party] = preset;
142
143 // Pop
144 preset.clear();
145 preset << -5 << 23 << 41 << 47 << 29 << 0 << -11 << -11 << -5 << -5;
146 preset_list[Pop] = preset;
147
148 // Reggae
149 preset.clear();
150 preset << 0 << 0 << 0 << -29 << 0 << 35 << 35 << 0 << 0 << 0;
151 preset_list[Reggae] = preset;
152
153 // Rock
154 preset.clear();
155 preset << 47 << 23 << 29 << -47 << -17 << 23 << 47 << 65 << 65 << 65;
156 preset_list[Rock] = preset;
157
158 // Ska
159 preset.clear();
160 preset << -11 << -23 << -23 << 0 << 23 << 29 << 47 << 53 << 65 << 53;
161 preset_list[Ska] = preset;
162
163 // Soft
164 preset.clear();
165 preset << 23 << 5 << 0 << -11 << 0 << 23 << 47 << 53 << 65 << 71;
166 preset_list[Soft] = preset;
167
168 // SoftRock
169 preset.clear();
170 preset << 23 << 23 << 11 << 0 << -23 << -29 << -17 << 0 << 11 << 47;
171 preset_list[SoftRock] = preset;
172
173 // Techno
174 preset.clear();
175 preset << 47 << 29 << 0 << -29 << -23 << 0 << 47 << 53 << 53 << 47;
176 preset_list[Techno] = preset;
177}
178
179
180void AudioEqualizer::retranslateStrings() {
181 setWindowTitle( tr("Audio Equalizer") );
182 setWindowIcon( Images::icon("logo") );
183
184 eq[0]->setLabel( tr("%1 Hz").arg("31.25") );
185 eq[1]->setLabel( tr("%1 Hz").arg("62.50") );
186 eq[2]->setLabel( tr("%1 Hz").arg("125") );
187 eq[3]->setLabel( tr("%1 Hz").arg("250") );
188 eq[4]->setLabel( tr("%1 Hz").arg("500") );
189 eq[5]->setLabel( tr("%1 kHz").arg("1") );
190 eq[6]->setLabel( tr("%1 kHz").arg("2") );
191 eq[7]->setLabel( tr("%1 kHz").arg("4") );
192 eq[8]->setLabel( tr("%1 kHz").arg("8") );
193 eq[9]->setLabel( tr("%1 kHz").arg("16") );
194
195 presets_label->setText( tr("&Preset") );
196 apply_button->setText( tr("&Apply") );
197 reset_button->setText( tr("&Reset") );
198 set_default_button->setText( tr("&Set as default values") );
199
200 int presets_combo_index = presets_combo->currentIndex();
201 if (presets_combo_index < 0) presets_combo_index = 0;
202 presets_combo->clear();
203 presets_combo->addItem( tr("Flat"), Flat);
204 presets_combo->addItem( tr("Classical"), Classical);
205 presets_combo->addItem( tr("Club"), Club);
206 presets_combo->addItem( tr("Dance"), Dance);
207 presets_combo->addItem( tr("Full bass"), Fullbass);
208 presets_combo->addItem( tr("Full bass and treble"), FullbassTreble);
209 presets_combo->addItem( tr("Full treble"), Fulltreble);
210 presets_combo->addItem( tr("Headphones"), Headphones);
211 presets_combo->addItem( tr("Large hall"), LargeHall);
212 presets_combo->addItem( tr("Live"), Live);
213 presets_combo->addItem( tr("Party"), Party);
214 presets_combo->addItem( tr("Pop"), Pop);
215 presets_combo->addItem( tr("Reggae"), Reggae);
216 presets_combo->addItem( tr("Rock"), Rock);
217 presets_combo->addItem( tr("Ska"), Ska);
218 presets_combo->addItem( tr("Soft"), Soft);
219 presets_combo->addItem( tr("Soft rock"), SoftRock);
220 presets_combo->addItem( tr("Techno"), Techno);
221 presets_combo->addItem( tr("Custom"), User_defined);
222 presets_combo->setCurrentIndex(presets_combo_index);
223
224 // What's this help:
225 set_default_button->setWhatsThis(
226 tr("Use the current values as default values for new videos.") );
227
228 reset_button->setWhatsThis( tr("Set all controls to zero.") );
229
230}
231
232void AudioEqualizer::reset() {
233 setValues(preset_list[Flat]);
234 presets_combo->setCurrentIndex(presets_combo->findData(Flat));
235}
236
237void AudioEqualizer::setDefaults() {
238 AudioEqualizerList l;
239 for (int n = 0; n < 10; n++) {
240 l << eq[n]->value();
241 }
242 pref->initial_audio_equalizer = l;
243
244 QMessageBox::information(this, tr("Information"),
245 tr("The current values have been stored to be "
246 "used as default.") );
247}
248
249void AudioEqualizer::setEqualizer(AudioEqualizerList l) {
250 int p = findPreset(l);
251 int index = presets_combo->findData(p);
252 if (index != 1) {
253 presets_combo->setCurrentIndex(index);
254 } else {
255 qWarning("AudioEqualizer::setEqualizer: preset not found");
256 }
257 setValues(l);
258}
259
260void AudioEqualizer::setValues(AudioEqualizerList l) {
261 qDebug("AudioEqualizer::setValues");
262
263 for (int n = 0; n < 10; n++) {
264 eq[n]->blockSignals(true);
265 eq[n]->setValue(l[n].toInt());
266 eq[n]->blockSignals(false);
267 }
268
269 emit valuesChanged(l);
270}
271
272void AudioEqualizer::presetChanged(int index) {
273 qDebug("AudioEqualizer::presetChanged: %d", index);
274 int p = presets_combo->itemData(index).toInt();
275 if (p != User_defined) {
276 setValues(preset_list[p]);
277 }
278}
279
280int AudioEqualizer::findPreset(AudioEqualizerList l) {
281 QMap<int,AudioEqualizerList>::iterator i;
282 for (i = preset_list.begin(); i != preset_list.end(); ++i) {
283 if (l == i.value()) return i.key();
284 }
285 return User_defined;
286}
287
288void AudioEqualizer::applyButtonClicked() {
289 AudioEqualizerList l;
290 for (int n = 0; n < 10; n++) {
291 l << eq[n]->value();
292 }
293 emit applyClicked( l );
294}
295
296void AudioEqualizer::updatePresetCombo() {
297 qDebug("AudioEqualizer::updatePresetCombo");
298
299 AudioEqualizerList l;
300 for (int n = 0; n < 10; n++) {
301 l << eq[n]->value();
302 }
303
304 int p = findPreset(l);
305 int index = presets_combo->findData(p);
306 if (index != 1) {
307 presets_combo->setCurrentIndex(index);
308 }
309}
310
311void AudioEqualizer::hideEvent( QHideEvent * ) {
312 emit visibilityChanged();
313}
314
315void AudioEqualizer::showEvent( QShowEvent * ) {
316 emit visibilityChanged();
317}
318
319// Language change stuff
320void AudioEqualizer::changeEvent(QEvent *e) {
321 if (e->type() == QEvent::LanguageChange) {
322 retranslateStrings();
323 } else {
324 QWidget::changeEvent(e);
325 }
326}
327
328#include "moc_audioequalizer.cpp"
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