diff --git a/app/soundviewer.cpp b/app/soundviewer.cpp
index 3fc398d..3469e0c 100644
--- a/app/soundviewer.cpp
+++ b/app/soundviewer.cpp
@@ -1,80 +1,80 @@
-#include "soundviewer.h"
-#include "ui_soundviewer.h"
-
-SoundViewer::SoundViewer(QWidget *parent)
-    : QWidget(parent)
-    , ui(new Ui::SoundViewer)
-    , player(new QMediaPlayer())
-    , buffer(new QBuffer())
-{
-    ui->setupUi(this);
-
-    connect(ui->pushButton_Play, &QPushButton::clicked, player, &QMediaPlayer::play);
-    connect(ui->pushButton_Pause, &QPushButton::clicked, player, &QMediaPlayer::pause);
-    connect(ui->pushButton_Stop, &QPushButton::clicked, this, [this]() {
-        if (player->isPlaying()) {
-            player->stop();
-        }
-    });
-    connect(ui->pushButton_SkipForward, &QPushButton::clicked, this, [this]() {
-        player->setPosition(player->position() + 30);
-    });
-    connect(ui->pushButton_SkipBack, &QPushButton::clicked, this, [this]() {
-        player->setPosition(player->position() - 30);
-    });
-    connect(player, &QMediaPlayer::positionChanged, player, [this](qint64 position) {
-        ui->horizontalSlider->setSliderPosition(position);
-        ui->label_Time->setText(QString("%1:%2:%3")
-                                    .arg(position / 60000)
-                                    .arg((position % 60000) / 1000)
-                                    .arg(position % 1000));
-    });
-    connect(player, &QMediaPlayer::durationChanged, player, [this](qint64 duration) {
-        ui->horizontalSlider->setMaximum(duration);
-        ui->label_TimeMax->setText(QString("%1:%2:%3")
-                                       .arg(duration / 60000)
-                                       .arg((duration % 60000) / 1000)
-                                       .arg(duration % 1000));
-    });
-    connect(ui->horizontalSlider, &QSlider::sliderMoved, this, [this](int position) {
-        player->setPosition(position);
-    });
-
-    for (auto outputDevice : QMediaDevices::audioOutputs()) {
-        ui->comboBox_Output->addItem(outputDevice.description());
-    }
-    connect(ui->comboBox_Output, &QComboBox::currentIndexChanged, this, [this](int index) {
-        auto outputDevice = QMediaDevices::audioOutputs()[index];
-        QAudioOutput *audioOutput = new QAudioOutput(outputDevice);
-        player->setAudioOutput(audioOutput);
-    });
-
-    auto outputDevice = QMediaDevices::defaultAudioOutput();
-    QAudioOutput *audioOutput = new QAudioOutput(outputDevice);
-    player->setAudioOutput(audioOutput);
-}
-
-SoundViewer::~SoundViewer()
-{
-    delete buffer;
-    delete player;
-    delete ui;
-}
-
-// void SoundViewer::SetSound(std::shared_ptr<Sound> aSound)
-// {
-//     buffer->setData(aSound->data);
-//     if (!buffer->open(QIODevice::ReadOnly)) {
-//         qWarning() << "Failed to open QBuffer.";
-//         return;
-//     }
-
-//     ui->groupBox->setTitle(aSound->path);
-//     player->setSourceDevice(buffer);
-// }
-
-void SoundViewer::SetOutput(QAudioOutput *aOutput) {
-    if (!aOutput) { return; }
-
-    player->setAudioOutput(aOutput);
-}
+#include "soundviewer.h"
+#include "ui_soundviewer.h"
+
+SoundViewer::SoundViewer(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::SoundViewer)
+    , player(new QMediaPlayer())
+    , buffer(new QBuffer())
+{
+    ui->setupUi(this);
+
+    connect(ui->pushButton_Play, &QPushButton::clicked, player, &QMediaPlayer::play);
+    connect(ui->pushButton_Pause, &QPushButton::clicked, player, &QMediaPlayer::pause);
+    connect(ui->pushButton_Stop, &QPushButton::clicked, this, [this]() {
+        if (player->isPlaying()) {
+            player->stop();
+        }
+    });
+    connect(ui->pushButton_SkipForward, &QPushButton::clicked, this, [this]() {
+        player->setPosition(player->position() + 30);
+    });
+    connect(ui->pushButton_SkipBack, &QPushButton::clicked, this, [this]() {
+        player->setPosition(player->position() - 30);
+    });
+    connect(player, &QMediaPlayer::positionChanged, player, [this](qint64 position) {
+        ui->horizontalSlider->setSliderPosition(position);
+        ui->label_Time->setText(QString("%1:%2:%3")
+                                    .arg(position / 60000)
+                                    .arg((position % 60000) / 1000)
+                                    .arg(position % 1000));
+    });
+    connect(player, &QMediaPlayer::durationChanged, player, [this](qint64 duration) {
+        ui->horizontalSlider->setMaximum(duration);
+        ui->label_TimeMax->setText(QString("%1:%2:%3")
+                                       .arg(duration / 60000)
+                                       .arg((duration % 60000) / 1000)
+                                       .arg(duration % 1000));
+    });
+    connect(ui->horizontalSlider, &QSlider::sliderMoved, this, [this](int position) {
+        player->setPosition(position);
+    });
+
+    for (auto outputDevice : QMediaDevices::audioOutputs()) {
+        ui->comboBox_Output->addItem(outputDevice.description());
+    }
+    connect(ui->comboBox_Output, &QComboBox::currentIndexChanged, this, [this](int index) {
+        auto outputDevice = QMediaDevices::audioOutputs()[index];
+        QAudioOutput *audioOutput = new QAudioOutput(outputDevice);
+        player->setAudioOutput(audioOutput);
+    });
+
+    auto outputDevice = QMediaDevices::defaultAudioOutput();
+    QAudioOutput *audioOutput = new QAudioOutput(outputDevice);
+    player->setAudioOutput(audioOutput);
+}
+
+SoundViewer::~SoundViewer()
+{
+    delete buffer;
+    delete player;
+    delete ui;
+}
+
+// void SoundViewer::SetSound(std::shared_ptr<Sound> aSound)
+// {
+//     buffer->setData(aSound->data);
+//     if (!buffer->open(QIODevice::ReadOnly)) {
+//         qWarning() << "Failed to open QBuffer.";
+//         return;
+//     }
+
+//     ui->groupBox->setTitle(aSound->path);
+//     player->setSourceDevice(buffer);
+// }
+
+void SoundViewer::SetOutput(QAudioOutput *aOutput) {
+    if (!aOutput) { return; }
+
+    player->setAudioOutput(aOutput);
+}