AudioCommon: Get initial sample rates from AudioInterface

Source/Core/AudioCommon/AudioCommon.cpp

@@ -15,6 +15,7 @@
 #include "Common/FileUtil.h"
 #include "Common/Logging/Log.h"
 #include "Core/ConfigManager.h"
+#include "Core/HW/AudioInterface.h"
 
 // This shouldn't be a global, at least not here.
 std::unique_ptr<SoundStream> g_sound_stream;
@@ -67,6 +68,12 @@ void InitSoundStream()
     g_sound_stream->Init();
   }
 
+  // Ideally these two calls would be done in AudioInterface::Init so that we don't
+  // need to have a dependency on AudioInterface here, but this has to be done
+  // after creating g_sound_stream (above) and before starting audio dumping (below)
+  g_sound_stream->GetMixer()->SetDMAInputSampleRate(AudioInterface::GetAIDSampleRate());
+  g_sound_stream->GetMixer()->SetStreamInputSampleRate(AudioInterface::GetAISSampleRate());
+
   UpdateSoundStream();
   SetSoundStreamRunning(true);
 

Source/Core/Core/HW/AudioInterface.cpp

@@ -293,11 +293,16 @@ bool IsPlaying()
   return (s_control.PSTAT == 1);
 }
 
-unsigned int GetAIDSampleRate()
+u32 GetAIDSampleRate()
 {
   return s_aid_sample_rate;
 }
 
+u32 GetAISSampleRate()
+{
+  return s_ais_sample_rate;
+}
+
 u32 Get32KHzSampleRate()
 {
   return SConfig::GetInstance().bWii ? 32000 : 32029;

Source/Core/Core/HW/AudioInterface.h

@@ -24,7 +24,8 @@ bool IsPlaying();
 void RegisterMMIO(MMIO::Mapping* mmio, u32 base);
 
 // Get the audio rates (48000 or 32000 only)
-unsigned int GetAIDSampleRate();
+u32 GetAIDSampleRate();
+u32 GetAISSampleRate();
 
 u32 Get32KHzSampleRate();
 u32 Get48KHzSampleRate();

Source/Core/Core/HW/DVD/DVDInterface.cpp

@@ -294,7 +294,8 @@ static u32 AdvanceDTK(u32 maximum_samples, u32* samples_to_process)
 static void DTKStreamingCallback(DIInterruptType interrupt_type, const std::vector<u8>& audio_data,
                                  s64 cycles_late)
 {
-  // TODO: Should we use the configured AIS sample rate instead of a fixed 48 KHz?
+  // TODO: Should we use GetAISSampleRate instead of a fixed 48 KHz? The audio mixer is using
+  // GetAISSampleRate. (This doesn't affect any actual games, since they all set it to 48 KHz.)
   const u32 sample_rate = AudioInterface::Get48KHzSampleRate();
 
   // Determine which audio data to read next.