UI - Add Volume Controls + Mute Toggle (F2) (#2871)

* Add the ability to toggle mute in the status bar.

* Add the ability to toggle mute in the status bar.

* Formatting fixes

* Add hotkey (F2) to mute

* Add default hotkey to config.json

* Add ability to change volume via slider.

* Fix Headless

* Fix SDL2 Problem : Credits to d3xMachina

* Remove unnecessary work

* Address gdk comments

* Toggling with Hotkey now properly restores volume to original level.

* Toggling with Hotkey now properly restores volume to original level.

* Update UI to show Volume % instead of Muted/Unmuted

* Clean up the volume ui a bit.

* Undo unintentionally committed code.

* Implement AudRen Support

* Restore intiial volume level in function definition.

* Finalize UI

* Finalize UI

* Use clamp for bounds check

* Use Math.Clamp for volume in soundio

* Address comments by gdkchan

* Address remaining comments

* Fix missing semicolon

* Address remaining gdkchan comment

* Fix comment

* Change /* to //

* Allow volume slider to change volume immediately.
Also force label text to cast to int to prevent decimals from showing in status bar

* Remove blank line

* Undo setting of volume level when "Cancel" is pressed.

* Fix allignment for settings window code

3 files changed, 25 insertions, 3 deletions

diff --git a/Ryujinx.Audio/Integration/HardwareDeviceImpl.cs b/Ryujinx.Audio/Integration/HardwareDeviceImpl.cs
index d489b008..d51aa3fb 100644
--- a/Ryujinx.Audio/Integration/HardwareDeviceImpl.cs
+++ b/Ryujinx.Audio/Integration/HardwareDeviceImpl.cs
@@ -30,9 +30,9 @@ namespace Ryujinx.Audio.Integration
 
         private byte[] _buffer;
 
-        public HardwareDeviceImpl(IHardwareDeviceDriver deviceDriver, uint channelCount, uint sampleRate)
+        public HardwareDeviceImpl(IHardwareDeviceDriver deviceDriver, uint channelCount, uint sampleRate, float volume)
         {
-            _session = deviceDriver.OpenDeviceSession(IHardwareDeviceDriver.Direction.Output, null, SampleFormat.PcmInt16, sampleRate, channelCount);
+            _session = deviceDriver.OpenDeviceSession(IHardwareDeviceDriver.Direction.Output, null, SampleFormat.PcmInt16, sampleRate, channelCount, volume);
             _channelCount = channelCount;
             _sampleRate = sampleRate;
             _currentBufferTag = 0;
@@ -56,6 +56,16 @@ namespace Ryujinx.Audio.Integration
             _currentBufferTag = _currentBufferTag % 4;
         }
 
+        public void SetVolume(float volume)
+        {
+            _session.SetVolume(volume);
+        }
+
+        public float GetVolume()
+        {
+            return _session.GetVolume();
+        }
+
         public uint GetChannelCount()
         {
             return _channelCount;
diff --git a/Ryujinx.Audio/Integration/IHardwareDevice.cs b/Ryujinx.Audio/Integration/IHardwareDevice.cs
index 0f67b2c8..1eeb5ca4 100644
--- a/Ryujinx.Audio/Integration/IHardwareDevice.cs
+++ b/Ryujinx.Audio/Integration/IHardwareDevice.cs
@@ -26,6 +26,18 @@ namespace Ryujinx.Audio.Integration
     public interface IHardwareDevice : IDisposable
     {
         /// <summary>
+        /// Sets the volume level for this device.
+        /// </summary>
+        /// <param name="volume">The volume level to set.</param>
+        void SetVolume(float volume);
+
+        /// <summary>
+        /// Gets the volume level for this device.
+        /// </summary>
+        /// <returns>The volume level of this device.</returns>
+        float GetVolume();
+
+        /// <summary>
         /// Get the supported sample rate of this device.
         /// </summary>
         /// <returns>The supported sample rate of this device.</returns>
diff --git a/Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs b/Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs
index 1a53fa9b..c1869ce1 100644
--- a/Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs
+++ b/Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs
@@ -33,7 +33,7 @@ namespace Ryujinx.Audio.Integration
             Output
         }
 
-        IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount);
+        IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount, float volume = 1f);
 
         ManualResetEvent GetUpdateRequiredEvent();
         ManualResetEvent GetPauseEvent();