source: smplayer/vendor/current/src/audioequalizer.cpp@ 163

Last change on this file since 163 was 163, checked in by Silvan Scherrer, 12 years ago

SMPlayer: update vendor to 0.8.7
File size: 8.7 KB
Line 
1/* smplayer, GUI front-end for mplayer.
2 Copyright (C) 2006-2014 Ricardo Villalba <[email protected]>
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 bl->addWidget(eq[n]);
44 }
45
46 presets_combo = new QComboBox(this);
47 connect(presets_combo, SIGNAL(activated(int)), this, SLOT(presetChanged(int)));
48
49 presets_label = new QLabel("&Preset", this);
50 presets_label->setBuddy(presets_combo);
51
52 reset_button = new QPushButton( "&Reset", this);
53 connect( reset_button, SIGNAL(clicked()), this, SLOT(reset()) );
54
55 set_default_button = new QPushButton( "&Set as default values", this );
56 connect( set_default_button, SIGNAL(clicked()), this, SLOT(setDefaults()) );
57
58 apply_button = new QPushButton( "&Apply", this );
59 connect( apply_button, SIGNAL(clicked()), this, SLOT(applyButtonClicked()) );
60
61 QBoxLayout *button_layout = new QHBoxLayout; //(0, 4, 2);
62 button_layout->addWidget(presets_label);
63 button_layout->addWidget(presets_combo);
64 button_layout->addStretch();
65 button_layout->addWidget(apply_button);
66 button_layout->addWidget(reset_button);
67 button_layout->addWidget(set_default_button);
68
69 QBoxLayout *layout = new QVBoxLayout(this); //, 4, 2);
70 layout->addLayout(bl);
71 layout->addLayout(button_layout);
72
73 retranslateStrings();
74
75 adjustSize();
76 //setFixedSize( sizeHint() );
77}
78
79AudioEqualizer::~AudioEqualizer() {
80}
81
82void AudioEqualizer::createPresets() {
83 preset_list.clear();
84 AudioEqualizerList preset;
85
86 // Classical
87 preset.clear();
88 preset << 0 << 0 << 0 << 0 << 0 << 0 << -41 << -41 << -41 << -53;
89 preset_list[Classical] = preset;
90
91 // Club
92 preset.clear();
93 preset << 0 << 0 << 47 << 29 << 29 << 29 << 17 << 0 << 0 << 0;
94 preset_list[Club] = preset;
95
96 // Dance
97 preset.clear();
98 preset << 53 << 41 << 11 << 0 << 0 << -29 << -41 << -41 << 0 << 0;
99 preset_list[Dance] = preset;
100
101 // Flat
102 preset.clear();
103 preset << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0;
104 preset_list[Flat] = preset;
105
106 // Fullbass
107 preset.clear();
108 preset << 53 << 53 << 53 << 29 << 5 << -23 << -47 << -59 << -65 << -65;
109 preset_list[Fullbass] = preset;
110
111 // FullbassTreble
112 preset.clear();
113 preset << 41 << 29 << 0 << -41 << -23 << 5 << 47 << 65 << 71 << 71;
114 preset_list[FullbassTreble] = preset;
115
116 // Fulltreble
117 preset.clear();
118 preset << -53 << -53 << -53 << -23 << 11 << 65 << 95 << 95 << 95 << 95;
119 preset_list[Fulltreble] = preset;
120
121 // Headphones
122 preset.clear();
123 preset << 23 << 65 << 29 << -17 << -11 << 5 << 23 << 53 << 71 << 83;
124 preset_list[Headphones] = preset;
125
126 // LargeHall
127 preset.clear();
128 preset << 59 << 59 << 29 << 29 << 0 << -23 << -23 << -23 << 0 << 0;
129 preset_list[LargeHall] = preset;
130
131 // Live
132 preset.clear();
133 preset << -23 << 0 << 23 << 29 << 29 << 29 << 23 << 11 << 11 << 11;
134 preset_list[Live] = preset;
135
136 // Party
137 preset.clear();
138 preset << 41 << 41 << 0 << 0 << 0 << 0 << 0 << 0 << 41 << 41;
139 preset_list[Party] = preset;
140
141 // Pop
142 preset.clear();
143 preset << -5 << 23 << 41 << 47 << 29 << 0 << -11 << -11 << -5 << -5;
144 preset_list[Pop] = preset;
145
146 // Reggae
147 preset.clear();
148 preset << 0 << 0 << 0 << -29 << 0 << 35 << 35 << 0 << 0 << 0;
149 preset_list[Reggae] = preset;
150
151 // Rock
152 preset.clear();
153 preset << 47 << 23 << 29 << -47 << -17 << 23 << 47 << 65 << 65 << 65;
154 preset_list[Rock] = preset;
155
156 // Ska
157 preset.clear();
158 preset << -11 << -23 << -23 << 0 << 23 << 29 << 47 << 53 << 65 << 53;
159 preset_list[Ska] = preset;
160
161 // Soft
162 preset.clear();
163 preset << 23 << 5 << 0 << -11 << 0 << 23 << 47 << 53 << 65 << 71;
164 preset_list[Soft] = preset;
165
166 // SoftRock
167 preset.clear();
168 preset << 23 << 23 << 11 << 0 << -23 << -29 << -17 << 0 << 11 << 47;
169 preset_list[SoftRock] = preset;
170
171 // Techno
172 preset.clear();
173 preset << 47 << 29 << 0 << -29 << -23 << 0 << 47 << 53 << 53 << 47;
174 preset_list[Techno] = preset;
175}
176
177
178void AudioEqualizer::retranslateStrings() {
179 setWindowTitle( tr("Audio Equalizer") );
180 setWindowIcon( Images::icon("logo") );
181
182 eq[0]->setLabel( tr("%1 Hz").arg("31.25") );
183 eq[1]->setLabel( tr("%1 Hz").arg("62.50") );
184 eq[2]->setLabel( tr("%1 Hz").arg("125") );
185 eq[3]->setLabel( tr("%1 Hz").arg("250") );
186 eq[4]->setLabel( tr("%1 Hz").arg("500") );
187 eq[5]->setLabel( tr("%1 kHz").arg("1") );
188 eq[6]->setLabel( tr("%1 kHz").arg("2") );
189 eq[7]->setLabel( tr("%1 kHz").arg("4") );
190 eq[8]->setLabel( tr("%1 kHz").arg("8") );
191 eq[9]->setLabel( tr("%1 kHz").arg("16") );
192
193 presets_label->setText( tr("&Preset") );
194 apply_button->setText( tr("&Apply") );
195 reset_button->setText( tr("&Reset") );
196 set_default_button->setText( tr("&Set as default values") );
197
198 int presets_combo_index = presets_combo->currentIndex();
199 if (presets_combo_index < 0) presets_combo_index = 0;
200 presets_combo->clear();
201 presets_combo->addItem( tr("Flat"), Flat);
202 presets_combo->addItem( tr("Classical"), Classical);
203 presets_combo->addItem( tr("Club"), Club);
204 presets_combo->addItem( tr("Dance"), Dance);
205 presets_combo->addItem( tr("Full bass"), Fullbass);
206 presets_combo->addItem( tr("Full bass and treble"), FullbassTreble);
207 presets_combo->addItem( tr("Full treble"), Fulltreble);
208 presets_combo->addItem( tr("Headphones"), Headphones);
209 presets_combo->addItem( tr("Large hall"), LargeHall);
210 presets_combo->addItem( tr("Live"), Live);
211 presets_combo->addItem( tr("Party"), Party);
212 presets_combo->addItem( tr("Pop"), Pop);
213 presets_combo->addItem( tr("Reggae"), Reggae);
214 presets_combo->addItem( tr("Rock"), Rock);
215 presets_combo->addItem( tr("Ska"), Ska);
216 presets_combo->addItem( tr("Soft"), Soft);
217 presets_combo->addItem( tr("Soft rock"), SoftRock);
218 presets_combo->addItem( tr("Techno"), Techno);
219 presets_combo->addItem( tr("Custom"), User_defined);
220 presets_combo->setCurrentIndex(presets_combo_index);
221
222 // What's this help:
223 set_default_button->setWhatsThis(
224 tr("Use the current values as default values for new videos.") );
225
226 reset_button->setWhatsThis( tr("Set all controls to zero.") );
227
228}
229
230void AudioEqualizer::reset() {
231 for (int n = 0; n < 10; n++) {
232 eq[n]->setValue(0);
233 }
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]->setValue(l[n].toInt());
265 }
266}
267
268void AudioEqualizer::presetChanged(int index) {
269 qDebug("AudioEqualizer::presetChanged: %d", index);
270 int p = presets_combo->itemData(index).toInt();
271 if (p != User_defined) {
272 setValues(preset_list[p]);
273 }
274}
275
276int AudioEqualizer::findPreset(AudioEqualizerList l) {
277 QMap<int,AudioEqualizerList>::iterator i;
278 for (i = preset_list.begin(); i != preset_list.end(); ++i) {
279 if (l == i.value()) return i.key();
280 }
281 return User_defined;
282}
283
284void AudioEqualizer::applyButtonClicked() {
285 AudioEqualizerList l;
286 for (int n = 0; n < 10; n++) {
287 l << eq[n]->value();
288 }
289 emit applyClicked( l );
290}
291
292void AudioEqualizer::hideEvent( QHideEvent * ) {
293 emit visibilityChanged();
294}
295
296void AudioEqualizer::showEvent( QShowEvent * ) {
297 emit visibilityChanged();
298}
299
300// Language change stuff
301void AudioEqualizer::changeEvent(QEvent *e) {
302 if (e->type() == QEvent::LanguageChange) {
303 retranslateStrings();
304 } else {
305 QWidget::changeEvent(e);
306 }
307}
308
309#include "moc_audioequalizer.cpp"
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