-
Notifications
You must be signed in to change notification settings - Fork 2
/
EqualizerDialog.cpp
92 lines (78 loc) · 3.16 KB
/
EqualizerDialog.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/*
* VLC-Qt Simple Player
* Copyright (C) 2015 Tadej Novak <[email protected]>
*/
#include <VLCQtCore/Audio.h>
#include <VLCQtCore/Equalizer.h>
#include <VLCQtCore/MediaPlayer.h>
#include "EqualizerDialog.h"
EqualizerDialog::EqualizerDialog(QWidget *parent)
: QDialog(parent),
_mediaPlayer(nullptr)
{
this->setupUi(this);
// Default equalizer has ten bands
_mapSliders.insert(firstBand, 0);
_mapSliders.insert(secondBand, 1);
_mapSliders.insert(thirdBand, 2);
_mapSliders.insert(fourthBand, 3);
_mapSliders.insert(fifthBand, 4);
_mapSliders.insert(sixthBand, 5);
_mapSliders.insert(seventhBand, 6);
_mapSliders.insert(eighthBand, 7);
_mapSliders.insert(ninethBand, 8);
_mapSliders.insert(tenthBand, 9);
// Set sliders value with unit
for (QSlider *slider : findChildren<QSlider*>()) {
auto *valueLabel = findChild<QLabel*>(slider->objectName() + "Label");
connect(slider, &QSlider::valueChanged, this, [=](int value) {
valueLabel->setText(QString::number(value) + " dB");
});
}
connect(toggleEqualizer, &QCheckBox::toggled, this, &EqualizerDialog::toggle);
}
void EqualizerDialog::setMediaPlayer(VlcMediaPlayer *mediaPlayer)
{
_mediaPlayer = mediaPlayer;
auto equalizer = _mediaPlayer->equalizer();
for (uint i = 0; i < equalizer->presetCount(); i++) {
presetComboBox->addItem(equalizer->presetNameAt(i));
}
// Create local connections
connect(presetComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), _mediaPlayer->equalizer(), &VlcEqualizer::loadFromPreset);
connect(_mediaPlayer->equalizer(), &VlcEqualizer::presetLoaded, this, &EqualizerDialog::applySelectedPreset);
connect(preamp, &QSlider::valueChanged, equalizer, &VlcEqualizer::setPreamplification);
for (QSlider *slider : findChildren<QSlider*>()) {
if (slider != preamp) {
connect(slider, &QSlider::valueChanged, this, &EqualizerDialog::applyChangesForBand);
}
}
}
void EqualizerDialog::applyChangesForBand(int value)
{
int bandIndex = _mapSliders.value(dynamic_cast<QSlider*>(sender()));
_mediaPlayer->equalizer()->setAmplificationForBandAt((float)value, (uint)bandIndex);
}
void EqualizerDialog::applySelectedPreset()
{
auto equalizer = _mediaPlayer->equalizer();
disconnect(preamp, nullptr, equalizer, nullptr);
for (QSlider *slider : findChildren<QSlider*>()) {
if (slider == preamp) {
slider->setValue((uint)equalizer->preamplification());
} else {
disconnect(slider, &QSlider::valueChanged, this, &EqualizerDialog::applyChangesForBand);
slider->setValue((uint)equalizer->amplificationForBandAt((uint)_mapSliders.value(slider)));
connect(slider, &QSlider::valueChanged, this, &EqualizerDialog::applyChangesForBand);
}
}
connect(preamp, &QSlider::valueChanged, equalizer, &VlcEqualizer::setPreamplification);
}
void EqualizerDialog::toggle(bool checked)
{
for (QSlider *slider : findChildren<QSlider*>()) {
slider->setEnabled(checked);
}
presetComboBox->setEnabled(checked);
_mediaPlayer->equalizer()->setEnabled(checked);
}