src/AudioPlayer.cpp

@@ -69,7 +69,7 @@ void AudioPlayer::play(std::shared_ptr<QByteArray> audioData)
 	buffer->setParent(this);
 
 	// Use QMediaPlayer::setSourceDevice for in-memory playback
-	mediaPlayer->setSourceDevice(buffer);
+	mediaPlayer->setSourceDevice(buffer, QUrl("memory://audio.wav"));
 	mediaPlayer->play();
 
 	// Start position timer
@@ -120,19 +120,6 @@ int AudioPlayer::position() const
 	return mediaPlayer->position();
 }
 
-void AudioPlayer::setVolume(int volume)
-{
-	// Convert from 0-100 range to 0.0-1.0 range
-	qreal volumeLevel = static_cast<qreal>(volume) / 100.0;
-	audioOutput->setVolume(volumeLevel);
-}
-
-int AudioPlayer::getVolume() const
-{
-	// Convert from 0.0-1.0 range to 0-100 range
-	return static_cast<int>(audioOutput->volume() * 100);
-}
-
 void AudioPlayer::handlePlaybackStateChanged(QMediaPlayer::PlaybackState state)
 {
 	if (state == QMediaPlayer::PlayingState)

src/AudioPlayer.h

@@ -32,8 +32,6 @@ public:
 	bool isPlaying() const;
 	int duration() const;
 	int position() const;
-	void setVolume(int volume);
-	int getVolume() const;
 
 signals:
 	void playbackStarted();

src/MainWindow.cpp

@@ -54,7 +54,6 @@ MainWindow::MainWindow(QWidget *parent)
 	connect(ui->skipButton, &QPushButton::clicked, this, &MainWindow::onSkipButtonClicked);
 	connect(ui->stopButton, &QPushButton::clicked, this, &MainWindow::onStopButtonClicked);
 	connect(ui->shuffleButton, &QPushButton::clicked, this, &MainWindow::onShuffleButtonClicked);
-	connect(ui->volumeSlider, &QSlider::valueChanged, this, &MainWindow::onVolumeSliderValueChanged);
 	connect(ui->addSongButton, &QPushButton::clicked, this, &MainWindow::onAddSongButtonClicked);
 	connect(ui->removeSongButton, &QPushButton::clicked, this, &MainWindow::onRemoveSongButtonClicked);
 	connect(ui->actionAdvancedSettings, &QAction::triggered, this, &MainWindow::onAdvancedSettingsButtonClicked);
@@ -62,7 +61,6 @@ MainWindow::MainWindow(QWidget *parent)
 	connect(ui->actionLoadPlaylist, &QAction::triggered, this, &MainWindow::onActionLoadPlaylist);
 	connect(ui->actionAppendPlaylist, &QAction::triggered, this, &MainWindow::onActionAppendPlaylist);
 	connect(ui->actionSaveSong, &QAction::triggered, this, &MainWindow::onActionSaveSong);
-	connect(ui->positionSlider, &QSlider::sliderMoved, this, &MainWindow::onPositionSliderSliderMoved);
 	connect(ui->actionQuit, &QAction::triggered, this, [this]()
 	{
 		close();
@@ -112,9 +110,6 @@ MainWindow::MainWindow(QWidget *parent)
 
 	currentSong = songModel->getSong(0);
 
-	// Set default volume (50% from UI)
-	audioPlayer->setVolume(ui->volumeSlider->value());
-
 	// Start the worker thread and enter its event loop
 	QObject::connect(&aceThread, &QThread::started, [this]() {qDebug() << "Worker thread started";});
 	aceThread.start();
@@ -165,10 +160,6 @@ void MainWindow::loadSettings()
 	shuffleMode = settings.value("shuffleMode", false).toBool();
 	ui->shuffleButton->setChecked(shuffleMode);
 
-	// Load volume setting
-	int savedVolume = settings.value("volume", 50).toInt();
-	ui->volumeSlider->setValue(savedVolume);
-
 	// Load path settings with defaults based on application directory
 	QString appDir = QCoreApplication::applicationDirPath();
 	qwen3ModelPath = settings.value("qwen3ModelPath",
@@ -197,9 +188,6 @@ void MainWindow::saveSettings()
 	// Save shuffle mode
 	settings.setValue("shuffleMode", shuffleMode);
 
-	// Save volume setting
-	settings.setValue("volume", ui->volumeSlider->value());
-
 	// Save path settings
 	settings.setValue("qwen3ModelPath", qwen3ModelPath);
 	settings.setValue("textEncoderModelPath", textEncoderModelPath);
@@ -559,11 +547,6 @@ void MainWindow::onPositionSliderSliderMoved(int position)
 	}
 }
 
-void MainWindow::onVolumeSliderValueChanged(int value)
-{
-	audioPlayer->setVolume(value);
-}
-
 void MainWindow::ensureSongsInQueue(bool enqeueCurrent)
 {
 	// Only generate more songs if we're playing and not already at capacity

src/MainWindow.h

@@ -73,7 +73,6 @@ private slots:
 	void onStopButtonClicked();
 	void onShuffleButtonClicked();
 	void onPositionSliderSliderMoved(int position);
-	void onVolumeSliderValueChanged(int value);
 	void updatePosition(int position);
 	void updateDuration(int duration);
 	void onAddSongButtonClicked();

src/MainWindow.ui

@@ -222,56 +222,14 @@
          </property>
         </widget>
        </item>
-       <item>
-        <spacer name="horizontalSpacer_3">
-         <property name="orientation">
-          <enum>Qt::Orientation::Horizontal</enum>
-         </property>
-         <property name="sizeHint" stdset="0">
-          <size>
-           <width>15</width>
-           <height>20</height>
-          </size>
-         </property>
-        </spacer>
-       </item>
-       <item>
-        <widget class="QLabel" name="volumeLabel">
-         <property name="text">
-          <string>Volume:</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QSlider" name="volumeSlider">
-         <property name="minimumSize">
-          <size>
-           <width>100</width>
-           <height>20</height>
-          </size>
-         </property>
-         <property name="maximum">
-          <number>100</number>
-         </property>
-         <property name="value">
-          <number>50</number>
-         </property>
-         <property name="orientation">
-          <enum>Qt::Orientation::Horizontal</enum>
-         </property>
-        </widget>
-       </item>
        <item>
         <spacer name="horizontalSpacer_2">
          <property name="orientation">
           <enum>Qt::Orientation::Horizontal</enum>
          </property>
-         <property name="sizeType">
-          <enum>QSizePolicy::Policy::Fixed</enum>
-         </property>
          <property name="sizeHint" stdset="0">
           <size>
-           <width>35</width>
+           <width>40</width>
            <height>20</height>
           </size>
          </property>