Qt/Settings: Implement audio pane

Source/Core/DolphinQt2/CMakeLists.txt

@@ -51,6 +51,7 @@ set(SRCS
   QtUtils/DoubleClickEventFilter.cpp
   QtUtils/ElidedButton.cpp
   QtUtils/WindowActivationEventFilter.cpp
+  Settings/AudioPane.cpp
   Settings/GeneralPane.cpp
   Settings/InterfacePane.cpp
   Settings/PathPane.cpp

Source/Core/DolphinQt2/Config/SettingsWindow.cpp

@@ -11,8 +11,10 @@
 #include <QVBoxLayout>
 
 #include "DolphinQt2/Config/SettingsWindow.h"
+#include "DolphinQt2/MainWindow.h"
 #include "DolphinQt2/Resources.h"
 #include "DolphinQt2/Settings.h"
+#include "DolphinQt2/Settings/AudioPane.h"
 #include "DolphinQt2/Settings/GeneralPane.h"
 #include "DolphinQt2/Settings/InterfacePane.h"
 #include "DolphinQt2/Settings/PathPane.h"
@@ -57,6 +59,14 @@ void SettingsWindow::SetupSettingsWidget()
   // Panes initalised here
   m_settings_outer->addWidget(new GeneralPane);
   m_settings_outer->addWidget(new InterfacePane);
+
+  auto* audio_pane = new AudioPane;
+  connect(this, &SettingsWindow::EmulationStarted,
+          [audio_pane] { audio_pane->OnEmulationStateChanged(true); });
+  connect(this, &SettingsWindow::EmulationStopped,
+          [audio_pane] { audio_pane->OnEmulationStateChanged(false); });
+  m_settings_outer->addWidget(audio_pane);
+
   m_settings_outer->addWidget(new PathPane);
 }
 
@@ -85,6 +95,7 @@ void SettingsWindow::MakeCategoryList()
 
   AddCategoryToList(tr("General"), "config");
   AddCategoryToList(tr("Interface"), "browse");
+  AddCategoryToList(tr("Audio"), "play");
   AddCategoryToList(tr("Paths"), "browse");
   connect(m_categories, &QListWidget::currentItemChanged, this, &SettingsWindow::changePage);
 }

Source/Core/DolphinQt2/Config/SettingsWindow.h

@@ -8,6 +8,7 @@
 
 #include <QDialog>
 
+class MainWindow;
 class QGroupBox;
 class QListWidget;
 class QListWidgetItem;
@@ -18,6 +19,9 @@ class SettingsWindow final : public QDialog
   Q_OBJECT
 public:
   explicit SettingsWindow(QWidget* parent = nullptr);
+signals:
+  void EmulationStarted();
+  void EmulationStopped();
 
 public slots:
   void changePage(QListWidgetItem* current, QListWidgetItem* previous);

Source/Core/DolphinQt2/DolphinQt2.vcxproj

@@ -78,6 +78,7 @@
     <QtMoc Include="HotkeyScheduler.h" />
     <QtMoc Include="InDevelopmentWarning.h" />
     <QtMoc Include="Settings\InterfacePane.h" />
+    <QtMoc Include="Settings\AudioPane.h" />
     <QtMoc Include="MainWindow.h" />
     <QtMoc Include="MenuBar.h" />
     <QtMoc Include="QtUtils\DoubleClickEventFilter.h" />
@@ -90,6 +91,7 @@
   <!--TODO figure out how to get QtMoc to add outputs to ClCompile's inputs...-->
   <ItemGroup>
     <ClCompile Include="$(QtMocOutPrefix)AboutDialog.cpp" />
+    <ClCompile Include="$(QtMocOutPrefix)AudioPane.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)ControllersWindow.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)FilesystemWidget.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)WindowActivationEventFilter.cpp" />
@@ -157,6 +159,7 @@
     <ClCompile Include="RenderWidget.cpp" />
     <ClCompile Include="Resources.cpp" />
     <ClCompile Include="Settings.cpp" />
+    <ClCompile Include="Settings\AudioPane.cpp" />
     <ClCompile Include="Settings\GeneralPane.cpp" />
     <ClCompile Include="Settings\InterfacePane.cpp" />
     <ClCompile Include="Settings\PathPane.cpp" />

Source/Core/DolphinQt2/MainWindow.cpp

@@ -121,6 +121,11 @@ void MainWindow::CreateComponents()
   m_settings_window = new SettingsWindow(this);
   m_hotkey_window = new MappingWindow(this, 0);
 
+  connect(this, &MainWindow::EmulationStarted, m_settings_window,
+          &SettingsWindow::EmulationStarted);
+  connect(this, &MainWindow::EmulationStopped, m_settings_window,
+          &SettingsWindow::EmulationStopped);
+
   InstallHotkeyFilter(m_hotkey_window);
   InstallHotkeyFilter(m_controllers_window);
   InstallHotkeyFilter(m_settings_window);

Source/Core/DolphinQt2/Settings/AudioPane.cpp

@@ -0,0 +1,244 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt2/Settings/AudioPane.h"
+
+#include <QCheckBox>
+#include <QComboBox>
+#include <QFormLayout>
+#include <QGridLayout>
+#include <QGroupBox>
+#include <QLabel>
+#include <QRadioButton>
+#include <QSlider>
+#include <QSpacerItem>
+#include <QSpinBox>
+#include <QVBoxLayout>
+
+#include "AudioCommon/AudioCommon.h"
+#include "Core/ConfigManager.h"
+#include "DolphinQt2/Config/SettingsWindow.h"
+#include "DolphinQt2/Settings.h"
+
+AudioPane::AudioPane()
+{
+  CreateWidgets();
+  LoadSettings();
+  ConnectWidgets();
+
+  connect(&Settings::Instance(), &Settings::VolumeChanged, this, &AudioPane::OnVolumeChanged);
+}
+
+void AudioPane::CreateWidgets()
+{
+  auto* dsp_box = new QGroupBox(tr("DSP Emulator Engine"));
+  auto* dsp_layout = new QVBoxLayout;
+
+  dsp_box->setLayout(dsp_layout);
+  m_dsp_hle = new QRadioButton(tr("DSP HLE emulation (fast)"));
+  m_dsp_lle = new QRadioButton(tr("DSP LLE recompiler"));
+  m_dsp_interpreter = new QRadioButton(tr("DSP LLE interpreter (slow)"));
+
+  dsp_layout->addStretch(1);
+  dsp_layout->addWidget(m_dsp_hle);
+  dsp_layout->addWidget(m_dsp_lle);
+  dsp_layout->addWidget(m_dsp_interpreter);
+  dsp_layout->addStretch(1);
+
+  auto* volume_box = new QGroupBox(tr("Volume"));
+  auto* volume_layout = new QVBoxLayout;
+  m_volume_slider = new QSlider;
+  m_volume_indicator = new QLabel();
+
+  volume_box->setLayout(volume_layout);
+
+  m_volume_slider->setMinimum(0);
+  m_volume_slider->setMaximum(100);
+
+  m_volume_indicator->setAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
+
+  volume_layout->addWidget(m_volume_slider, 0, Qt::AlignHCenter);
+  volume_layout->addWidget(m_volume_indicator, 0, Qt::AlignHCenter);
+
+  auto* backend_box = new QGroupBox(tr("Backend Settings"));
+  auto* backend_layout = new QFormLayout;
+  backend_box->setLayout(backend_layout);
+  m_backend_label = new QLabel(tr("Audio Backend:"));
+  m_backend_combo = new QComboBox();
+  m_latency_label = new QLabel(tr("Latency:"));
+  m_dolby_pro_logic = new QCheckBox(tr("Dolby Pro Logic II decoder"));
+  m_latency_spin = new QSpinBox();
+
+  m_latency_spin->setMinimum(0);
+  m_latency_spin->setMaximum(30);
+  m_latency_spin->setToolTip(tr("Sets the latency (in ms). Higher values may reduce audio "
+                                "crackling. Certain backends only."));
+
+  m_dolby_pro_logic->setToolTip(
+      tr("Enables Dolby Pro Logic II emulation using 5.1 surround. Certain backends only."));
+
+  backend_layout->addRow(m_backend_label, m_backend_combo);
+  backend_layout->addRow(m_latency_label, m_latency_spin);
+  backend_layout->addRow(m_dolby_pro_logic);
+
+  auto* stretching_box = new QGroupBox(tr("Audio Stretching Settings"));
+  auto* stretching_layout = new QGridLayout;
+  m_stretching_enable = new QCheckBox(tr("Enable Audio Stretching"));
+  m_stretching_buffer_slider = new QSlider(Qt::Horizontal);
+  m_stretching_buffer_indicator = new QLabel();
+  m_stretching_buffer_label = new QLabel(tr("Buffer Size:"));
+  stretching_box->setLayout(stretching_layout);
+
+  m_stretching_buffer_slider->setMinimum(5);
+  m_stretching_buffer_slider->setMaximum(300);
+
+  m_stretching_enable->setToolTip(tr("Enables stretching of the audio to match emulation speed."));
+  m_stretching_buffer_slider->setToolTip(tr("Size of stretch buffer in milliseconds. "
+                                            "Values too low may cause audio crackling."));
+
+  stretching_layout->addWidget(m_stretching_enable, 0, 0, 1, -1);
+  stretching_layout->addWidget(m_stretching_buffer_label, 1, 0);
+  stretching_layout->addWidget(m_stretching_buffer_slider, 1, 1);
+  stretching_layout->addWidget(m_stretching_buffer_indicator, 1, 2);
+
+  m_main_layout = new QGridLayout;
+
+  m_main_layout->setColumnStretch(0, 1);
+  m_main_layout->addWidget(dsp_box, 0, 0);
+  m_main_layout->addWidget(volume_box, 0, 1);
+  m_main_layout->addWidget(backend_box, 1, 0, 1, -1);
+  m_main_layout->addWidget(stretching_box, 2, 0, 1, -1);
+
+  setLayout(m_main_layout);
+}
+
+void AudioPane::ConnectWidgets()
+{
+  connect(m_backend_combo, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+          this, &AudioPane::SaveSettings);
+  connect(m_volume_slider, &QSlider::valueChanged, this, &AudioPane::SaveSettings);
+  connect(m_latency_spin, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), this,
+          &AudioPane::SaveSettings);
+  connect(m_stretching_buffer_slider, &QSlider::valueChanged, this, &AudioPane::SaveSettings);
+  connect(m_dolby_pro_logic, &QCheckBox::toggled, this, &AudioPane::SaveSettings);
+  connect(m_stretching_enable, &QCheckBox::toggled, this, &AudioPane::SaveSettings);
+  connect(m_dsp_hle, &QRadioButton::toggled, this, &AudioPane::SaveSettings);
+  connect(m_dsp_lle, &QRadioButton::toggled, this, &AudioPane::SaveSettings);
+  connect(m_dsp_interpreter, &QRadioButton::toggled, this, &AudioPane::SaveSettings);
+}
+
+void AudioPane::LoadSettings()
+{
+  auto& settings = Settings::Instance();
+
+  // DSP
+  if (SConfig::GetInstance().bDSPHLE)
+  {
+    m_dsp_hle->setChecked(true);
+  }
+  else
+  {
+    m_dsp_lle->setChecked(SConfig::GetInstance().m_DSPEnableJIT);
+    m_dsp_interpreter->setChecked(!SConfig::GetInstance().m_DSPEnableJIT);
+  }
+
+  // Backend
+  const auto current = SConfig::GetInstance().sBackend;
+  for (const auto& backend : AudioCommon::GetSoundBackends())
+  {
+    m_backend_combo->addItem(tr(backend.c_str()), QVariant(QString::fromStdString(backend)));
+    if (backend == current)
+      m_backend_combo->setCurrentIndex(m_backend_combo->count() - 1);
+  }
+
+  OnBackendChanged();
+
+  // Volume
+  OnVolumeChanged(settings.GetVolume());
+
+  // DPL2
+  m_dolby_pro_logic->setChecked(SConfig::GetInstance().bDPL2Decoder);
+
+  // Latency
+  m_latency_spin->setValue(SConfig::GetInstance().iLatency);
+
+  // Stretch
+  m_stretching_enable->setChecked(SConfig::GetInstance().m_audio_stretch);
+  m_stretching_buffer_slider->setValue(SConfig::GetInstance().m_audio_stretch_max_latency);
+  m_stretching_buffer_slider->setEnabled(m_stretching_enable->isChecked());
+  m_stretching_buffer_indicator->setText(tr("%1 ms").arg(m_stretching_buffer_slider->value()));
+}
+
+void AudioPane::SaveSettings()
+{
+  auto& settings = Settings::Instance();
+
+  // DSP
+  SConfig::GetInstance().bDSPHLE = m_dsp_hle->isChecked();
+  SConfig::GetInstance().m_DSPEnableJIT = m_dsp_lle->isChecked();
+
+  // Backend
+  const auto selection =
+      m_backend_combo->itemData(m_backend_combo->currentIndex()).toString().toStdString();
+  auto& backend = SConfig::GetInstance().sBackend;
+
+  if (selection != backend)
+  {
+    backend = selection;
+    OnBackendChanged();
+  }
+
+  // Volume
+  if (m_volume_slider->value() != settings.GetVolume())
+  {
+    settings.SetVolume(m_volume_slider->value());
+    OnVolumeChanged(settings.GetVolume());
+  }
+
+  // DPL2
+  SConfig::GetInstance().bDPL2Decoder = m_dolby_pro_logic->isChecked();
+
+  // Latency
+  SConfig::GetInstance().iLatency = m_latency_spin->value();
+
+  // Stretch
+  SConfig::GetInstance().m_audio_stretch = m_stretching_enable->isChecked();
+  SConfig::GetInstance().m_audio_stretch_max_latency = m_stretching_buffer_slider->value();
+  m_stretching_buffer_label->setEnabled(m_stretching_enable->isChecked());
+  m_stretching_buffer_slider->setEnabled(m_stretching_enable->isChecked());
+  m_stretching_buffer_indicator->setEnabled(m_stretching_enable->isChecked());
+  m_stretching_buffer_indicator->setText(
+      tr("%1 ms").arg(SConfig::GetInstance().m_audio_stretch_max_latency));
+
+  AudioCommon::UpdateSoundStream();
+}
+
+void AudioPane::OnBackendChanged()
+{
+  const auto backend = SConfig::GetInstance().sBackend;
+
+  m_dolby_pro_logic->setEnabled(AudioCommon::SupportsDPL2Decoder(backend));
+  m_latency_label->setEnabled(AudioCommon::SupportsLatencyControl(backend));
+  m_latency_spin->setEnabled(AudioCommon::SupportsLatencyControl(backend));
+  m_volume_slider->setEnabled(AudioCommon::SupportsVolumeChanges(backend));
+  m_volume_indicator->setEnabled(AudioCommon::SupportsVolumeChanges(backend));
+}
+
+void AudioPane::OnEmulationStateChanged(bool running)
+{
+  m_dsp_hle->setEnabled(!running);
+  m_dsp_lle->setEnabled(!running);
+  m_dsp_interpreter->setEnabled(!running);
+  m_dolby_pro_logic->setEnabled(!running);
+  m_backend_label->setEnabled(!running);
+  m_backend_combo->setEnabled(!running);
+  m_latency_label->setEnabled(!running);
+  m_latency_spin->setEnabled(!running);
+}
+
+void AudioPane::OnVolumeChanged(int volume)
+{
+  m_volume_slider->setValue(volume);
+  m_volume_indicator->setText(tr("%1 %").arg(volume));
+}

Source/Core/DolphinQt2/Settings/AudioPane.h

@@ -0,0 +1,59 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QWidget>
+
+class QCheckBox;
+class QComboBox;
+class QLabel;
+class QGridLayout;
+class QRadioButton;
+class QSlider;
+class QSpinBox;
+class SettingsWindow;
+
+class AudioPane final : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit AudioPane();
+
+  void OnEmulationStateChanged(bool running);
+
+private:
+  void CreateWidgets();
+  void ConnectWidgets();
+
+  void LoadSettings();
+  void SaveSettings();
+
+  void OnBackendChanged();
+  void OnVolumeChanged(int volume);
+
+  QGridLayout* m_main_layout;
+
+  // DSP Engine
+  QRadioButton* m_dsp_hle;
+  QRadioButton* m_dsp_lle;
+  QRadioButton* m_dsp_interpreter;
+
+  // Volume
+  QSlider* m_volume_slider;
+  QLabel* m_volume_indicator;
+
+  // Backend
+  QLabel* m_backend_label;
+  QComboBox* m_backend_combo;
+  QCheckBox* m_dolby_pro_logic;
+  QLabel* m_latency_label;
+  QSpinBox* m_latency_spin;
+
+  // Audio Stretching
+  QCheckBox* m_stretching_enable;
+  QLabel* m_stretching_buffer_label;
+  QSlider* m_stretching_buffer_slider;
+  QLabel* m_stretching_buffer_indicator;
+};