AudioCommon: make SoundLoop() non-virtual and private

Source/Core/AudioCommon/AlsaSoundStream.h

@@ -23,12 +23,13 @@ public:
   ~AlsaSound() override;
 
   bool Init() override;
-  void SoundLoop() override;
   bool SetRunning(bool running) override;
 
   static bool isValid() { return true; }
 
 private:
+  void SoundLoop();
+
   // maximum number of frames the buffer can hold
   static constexpr size_t BUFFER_SIZE_MAX = 8192;
 

Source/Core/AudioCommon/NullSoundStream.cpp

@@ -3,10 +3,6 @@
 
 #include "AudioCommon/NullSoundStream.h"
 
-void NullSound::SoundLoop()
-{
-}
-
 bool NullSound::Init()
 {
   return true;

Source/Core/AudioCommon/NullSoundStream.h

@@ -9,7 +9,6 @@ class NullSound final : public SoundStream
 {
 public:
   bool Init() override;
-  void SoundLoop() override;
   bool SetRunning(bool running) override;
   void SetVolume(int volume) override;
 

Source/Core/AudioCommon/OpenALStream.h

@@ -56,13 +56,14 @@ public:
   OpenALStream() : m_source(0) {}
   ~OpenALStream() override;
   bool Init() override;
-  void SoundLoop() override;
   void SetVolume(int volume) override;
   bool SetRunning(bool running) override;
 
   static bool isValid();
 
 private:
+  void SoundLoop();
+
   std::thread m_thread;
   Common::Flag m_run_thread;
 

Source/Core/AudioCommon/PulseAudioStream.h

@@ -27,7 +27,7 @@ public:
   void UnderflowCallback(pa_stream* s);
 
 private:
-  void SoundLoop() override;
+  void SoundLoop();
 
   bool PulseInit();
   void PulseShutdown();

Source/Core/AudioCommon/SoundStream.h

@@ -20,7 +20,6 @@ public:
   Mixer* GetMixer() const { return m_mixer.get(); }
   virtual bool Init() { return false; }
   virtual void SetVolume(int) {}
-  virtual void SoundLoop() {}
   // Returns true if successful.
   virtual bool SetRunning(bool running) { return false; }
 };

Source/Core/AudioCommon/WASAPIStream.h

@@ -35,13 +35,14 @@ public:
   ~WASAPIStream();
   bool Init() override;
   bool SetRunning(bool running) override;
-  void SoundLoop() override;
 
   static bool isValid();
   static std::vector<std::string> GetAvailableDevices();
   static Microsoft::WRL::ComPtr<IMMDevice> GetDeviceByName(std::string_view name);
 
 private:
+  void SoundLoop();
+
   u32 m_frames_in_buffer = 0;
   std::atomic<bool> m_running = false;
   std::thread m_thread;