source: smplayer/trunk/src/audioequalizer.cpp

Last change on this file was 188, checked in by Silvan Scherrer, 8 years ago

SMPlayer: update trunk to version 17.1.0
  • Property svn:eol-style set to LF
File size: 9.5 KB
RevLine 
[112]1/* smplayer, GUI front-end for mplayer.
[188]2 Copyright (C) 2006-2017 Ricardo Villalba <rvm@users.sourceforge.net>
[112]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>
[165]26#include <QLabel>
27#include <QComboBox>
[112]28#include <QMessageBox>
[181]29#include <QDebug>
[112]30
31using namespace Global;
32
33AudioEqualizer::AudioEqualizer( QWidget* parent, Qt::WindowFlags f)
34 : QWidget(parent, f)
35{
[165]36 createPresets();
37
[112]38 QBoxLayout *bl = new QHBoxLayout; //(0, 4, 2);
39
40 for (int n = 0; n < 10; n++) {
41 eq[n] = new EqSlider(this);
42 eq[n]->setIcon( QPixmap() );
43 eq[n]->sliderWidget()->setRange(-120, 120);
[176]44 eq[n]->sliderWidget()->setTracking(false);
45 connect(eq[n], SIGNAL(valueChanged(int)), this, SLOT(updatePresetCombo()));
[112]46 bl->addWidget(eq[n]);
47 }
48
[165]49 presets_combo = new QComboBox(this);
50 connect(presets_combo, SIGNAL(activated(int)), this, SLOT(presetChanged(int)));
51
52 presets_label = new QLabel("&Preset", this);
53 presets_label->setBuddy(presets_combo);
54
[112]55 reset_button = new QPushButton( "&Reset", this);
56 connect( reset_button, SIGNAL(clicked()), this, SLOT(reset()) );
57
58 set_default_button = new QPushButton( "&Set as default values", this );
59 connect( set_default_button, SIGNAL(clicked()), this, SLOT(setDefaults()) );
60
61 apply_button = new QPushButton( "&Apply", this );
62 connect( apply_button, SIGNAL(clicked()), this, SLOT(applyButtonClicked()) );
63
[181]64 close_button = new QPushButton( "&Close", this );
65 connect( close_button, SIGNAL(clicked()), this, SLOT(close()) );
66
[112]67 QBoxLayout *button_layout = new QHBoxLayout; //(0, 4, 2);
[165]68 button_layout->addWidget(presets_label);
69 button_layout->addWidget(presets_combo);
[112]70 button_layout->addStretch();
71 button_layout->addWidget(apply_button);
[181]72 button_layout->addWidget(set_default_button);
[112]73 button_layout->addWidget(reset_button);
[181]74 button_layout->addWidget(close_button);
[112]75
76 QBoxLayout *layout = new QVBoxLayout(this); //, 4, 2);
77 layout->addLayout(bl);
78 layout->addLayout(button_layout);
79
80 retranslateStrings();
81
82 adjustSize();
83 //setFixedSize( sizeHint() );
[181]84
85 if (size().height() < 244) resize(size().width(), 244);
[112]86}
87
88AudioEqualizer::~AudioEqualizer() {
[181]89 //qDebug() << "AudioEqualizer::~AudioEqualizer: size:" << size();
[112]90}
91
[165]92void AudioEqualizer::createPresets() {
93 preset_list.clear();
94 AudioEqualizerList preset;
95
96 // Classical
97 preset.clear();
98 preset << 0 << 0 << 0 << 0 << 0 << 0 << -41 << -41 << -41 << -53;
99 preset_list[Classical] = preset;
100
101 // Club
102 preset.clear();
103 preset << 0 << 0 << 47 << 29 << 29 << 29 << 17 << 0 << 0 << 0;
104 preset_list[Club] = preset;
105
106 // Dance
107 preset.clear();
108 preset << 53 << 41 << 11 << 0 << 0 << -29 << -41 << -41 << 0 << 0;
109 preset_list[Dance] = preset;
110
111 // Flat
112 preset.clear();
113 preset << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0;
114 preset_list[Flat] = preset;
115
116 // Fullbass
117 preset.clear();
118 preset << 53 << 53 << 53 << 29 << 5 << -23 << -47 << -59 << -65 << -65;
119 preset_list[Fullbass] = preset;
120
121 // FullbassTreble
122 preset.clear();
123 preset << 41 << 29 << 0 << -41 << -23 << 5 << 47 << 65 << 71 << 71;
124 preset_list[FullbassTreble] = preset;
125
126 // Fulltreble
127 preset.clear();
128 preset << -53 << -53 << -53 << -23 << 11 << 65 << 95 << 95 << 95 << 95;
129 preset_list[Fulltreble] = preset;
130
131 // Headphones
132 preset.clear();
133 preset << 23 << 65 << 29 << -17 << -11 << 5 << 23 << 53 << 71 << 83;
134 preset_list[Headphones] = preset;
135
136 // LargeHall
137 preset.clear();
138 preset << 59 << 59 << 29 << 29 << 0 << -23 << -23 << -23 << 0 << 0;
139 preset_list[LargeHall] = preset;
140
141 // Live
142 preset.clear();
143 preset << -23 << 0 << 23 << 29 << 29 << 29 << 23 << 11 << 11 << 11;
144 preset_list[Live] = preset;
145
146 // Party
147 preset.clear();
148 preset << 41 << 41 << 0 << 0 << 0 << 0 << 0 << 0 << 41 << 41;
149 preset_list[Party] = preset;
150
151 // Pop
152 preset.clear();
153 preset << -5 << 23 << 41 << 47 << 29 << 0 << -11 << -11 << -5 << -5;
154 preset_list[Pop] = preset;
155
156 // Reggae
157 preset.clear();
158 preset << 0 << 0 << 0 << -29 << 0 << 35 << 35 << 0 << 0 << 0;
159 preset_list[Reggae] = preset;
160
161 // Rock
162 preset.clear();
163 preset << 47 << 23 << 29 << -47 << -17 << 23 << 47 << 65 << 65 << 65;
164 preset_list[Rock] = preset;
165
166 // Ska
167 preset.clear();
168 preset << -11 << -23 << -23 << 0 << 23 << 29 << 47 << 53 << 65 << 53;
169 preset_list[Ska] = preset;
170
171 // Soft
172 preset.clear();
173 preset << 23 << 5 << 0 << -11 << 0 << 23 << 47 << 53 << 65 << 71;
174 preset_list[Soft] = preset;
175
176 // SoftRock
177 preset.clear();
178 preset << 23 << 23 << 11 << 0 << -23 << -29 << -17 << 0 << 11 << 47;
179 preset_list[SoftRock] = preset;
180
181 // Techno
182 preset.clear();
183 preset << 47 << 29 << 0 << -29 << -23 << 0 << 47 << 53 << 53 << 47;
184 preset_list[Techno] = preset;
185}
186
187
[112]188void AudioEqualizer::retranslateStrings() {
189 setWindowTitle( tr("Audio Equalizer") );
190 setWindowIcon( Images::icon("logo") );
191
[165]192 eq[0]->setLabel( tr("%1 Hz").arg("31.25") );
193 eq[1]->setLabel( tr("%1 Hz").arg("62.50") );
194 eq[2]->setLabel( tr("%1 Hz").arg("125") );
195 eq[3]->setLabel( tr("%1 Hz").arg("250") );
196 eq[4]->setLabel( tr("%1 Hz").arg("500") );
197 eq[5]->setLabel( tr("%1 kHz").arg("1") );
198 eq[6]->setLabel( tr("%1 kHz").arg("2") );
199 eq[7]->setLabel( tr("%1 kHz").arg("4") );
200 eq[8]->setLabel( tr("%1 kHz").arg("8") );
201 eq[9]->setLabel( tr("%1 kHz").arg("16") );
[112]202
[165]203 presets_label->setText( tr("&Preset") );
[112]204 apply_button->setText( tr("&Apply") );
205 reset_button->setText( tr("&Reset") );
206 set_default_button->setText( tr("&Set as default values") );
[181]207 close_button->setText(tr("&Close"));
[112]208
[165]209 int presets_combo_index = presets_combo->currentIndex();
210 if (presets_combo_index < 0) presets_combo_index = 0;
211 presets_combo->clear();
212 presets_combo->addItem( tr("Flat"), Flat);
213 presets_combo->addItem( tr("Classical"), Classical);
214 presets_combo->addItem( tr("Club"), Club);
215 presets_combo->addItem( tr("Dance"), Dance);
216 presets_combo->addItem( tr("Full bass"), Fullbass);
217 presets_combo->addItem( tr("Full bass and treble"), FullbassTreble);
218 presets_combo->addItem( tr("Full treble"), Fulltreble);
219 presets_combo->addItem( tr("Headphones"), Headphones);
220 presets_combo->addItem( tr("Large hall"), LargeHall);
221 presets_combo->addItem( tr("Live"), Live);
222 presets_combo->addItem( tr("Party"), Party);
223 presets_combo->addItem( tr("Pop"), Pop);
224 presets_combo->addItem( tr("Reggae"), Reggae);
225 presets_combo->addItem( tr("Rock"), Rock);
226 presets_combo->addItem( tr("Ska"), Ska);
227 presets_combo->addItem( tr("Soft"), Soft);
228 presets_combo->addItem( tr("Soft rock"), SoftRock);
229 presets_combo->addItem( tr("Techno"), Techno);
230 presets_combo->addItem( tr("Custom"), User_defined);
231 presets_combo->setCurrentIndex(presets_combo_index);
232
[112]233 // What's this help:
234 set_default_button->setWhatsThis(
235 tr("Use the current values as default values for new videos.") );
236
237 reset_button->setWhatsThis( tr("Set all controls to zero.") );
238}
239
240void AudioEqualizer::reset() {
[176]241 setValues(preset_list[Flat]);
[165]242 presets_combo->setCurrentIndex(presets_combo->findData(Flat));
[112]243}
244
245void AudioEqualizer::setDefaults() {
246 AudioEqualizerList l;
247 for (int n = 0; n < 10; n++) {
248 l << eq[n]->value();
249 }
250 pref->initial_audio_equalizer = l;
251
252 QMessageBox::information(this, tr("Information"),
253 tr("The current values have been stored to be "
254 "used as default.") );
255}
256
[165]257void AudioEqualizer::setEqualizer(AudioEqualizerList l) {
258 int p = findPreset(l);
259 int index = presets_combo->findData(p);
260 if (index != 1) {
261 presets_combo->setCurrentIndex(index);
262 } else {
263 qWarning("AudioEqualizer::setEqualizer: preset not found");
264 }
265 setValues(l);
266}
267
268void AudioEqualizer::setValues(AudioEqualizerList l) {
269 qDebug("AudioEqualizer::setValues");
270
271 for (int n = 0; n < 10; n++) {
[176]272 eq[n]->blockSignals(true);
[165]273 eq[n]->setValue(l[n].toInt());
[176]274 eq[n]->blockSignals(false);
[165]275 }
[176]276
277 emit valuesChanged(l);
[165]278}
279
280void AudioEqualizer::presetChanged(int index) {
281 qDebug("AudioEqualizer::presetChanged: %d", index);
282 int p = presets_combo->itemData(index).toInt();
283 if (p != User_defined) {
284 setValues(preset_list[p]);
285 }
286}
287
288int AudioEqualizer::findPreset(AudioEqualizerList l) {
289 QMap<int,AudioEqualizerList>::iterator i;
290 for (i = preset_list.begin(); i != preset_list.end(); ++i) {
291 if (l == i.value()) return i.key();
292 }
293 return User_defined;
294}
295
[112]296void AudioEqualizer::applyButtonClicked() {
297 AudioEqualizerList l;
298 for (int n = 0; n < 10; n++) {
299 l << eq[n]->value();
300 }
301 emit applyClicked( l );
302}
303
[176]304void AudioEqualizer::updatePresetCombo() {
305 qDebug("AudioEqualizer::updatePresetCombo");
306
307 AudioEqualizerList l;
308 for (int n = 0; n < 10; n++) {
309 l << eq[n]->value();
310 }
311
312 int p = findPreset(l);
313 int index = presets_combo->findData(p);
314 if (index != 1) {
315 presets_combo->setCurrentIndex(index);
316 }
317}
318
[112]319void AudioEqualizer::hideEvent( QHideEvent * ) {
320 emit visibilityChanged();
321}
322
323void AudioEqualizer::showEvent( QShowEvent * ) {
324 emit visibilityChanged();
325}
326
327// Language change stuff
328void AudioEqualizer::changeEvent(QEvent *e) {
329 if (e->type() == QEvent::LanguageChange) {
330 retranslateStrings();
331 } else {
332 QWidget::changeEvent(e);
333 }
334}
335
336#include "moc_audioequalizer.cpp"
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