Android: Empty audio buffers when returning from activity

android/app/src/cpp/android_host_interface.cpp

@@ -473,9 +473,9 @@ void AndroidHostInterface::SurfaceChanged(ANativeWindow* surface, int format, in
     m_display->ChangeRenderWindow(wi);
 
     if (surface && System::GetState() == System::State::Paused)
-      System::SetState(System::State::Running);
+      PauseSystem(false);
     else if (!surface && System::IsRunning())
-      System::SetState(System::State::Paused);
+      PauseSystem(true);
   }
 }
 

src/frontend-common/common_host_interface.cpp

@@ -164,7 +164,10 @@ void CommonHostInterface::PauseSystem(bool paused)
     return;
 
   System::SetState(paused ? System::State::Paused : System::State::Running);
+  if (!paused)
+    m_audio_stream->EmptyBuffers();
   m_audio_stream->PauseOutput(paused);
+
   OnSystemPaused(paused);
   UpdateSpeedLimiterState();