Audio: Update default sample rate to 48kHz to mitigate sync issues

src/RageSound.cpp

@@ -147,7 +147,7 @@ public:
 	int SetPosition( int iFrame )  { return 1; }
 	int Read( float *pBuf, int iFrames ) { return RageSoundReader::END_OF_FILE; }
 	RageSoundReader *Copy() const { return new RageSoundReader_Silence; }
-	int GetSampleRate() const { return 44100; }
+	int GetSampleRate() const { return 48000; }
 	unsigned GetNumChannels() const { return 1; }
 	int GetNextSourceFrame() const { return 0; }
 	float GetStreamToSourceRatio() const { return 1.0f; }

src/RageSoundManager.cpp

@@ -133,7 +133,7 @@ float RageSoundManager::GetPlayLatency() const
 int RageSoundManager::GetDriverSampleRate() const
 {
 	if( m_pDriver == nullptr )
-		return 44100;
+		return 48000;
 
 	return m_pDriver->GetSampleRate();
 }

src/RageSoundReader_Chain.cpp

@@ -23,7 +23,7 @@
  */
 RageSoundReader_Chain::RageSoundReader_Chain()
 {
-	m_iPreferredSampleRate = 44100;
+	m_iPreferredSampleRate = 48000;
 	m_iActualSampleRate = -1;
 	m_iChannels = 0;
 	m_iCurrentFrame = 0;

src/arch/Sound/ALSA9Helpers.cpp

@@ -212,7 +212,7 @@ void Alsa9Buf::GetSoundCardDebugInfo()
 
 Alsa9Buf::Alsa9Buf()
 {
-	samplerate = 44100;
+	samplerate = 48000;
 	samplebits = 16;
 	last_cursor_pos = 0;
 	preferred_writeahead = 8192;
@@ -229,7 +229,7 @@ RString Alsa9Buf::Init( int channels_,
 	preferred_writeahead = iWriteahead;
 	preferred_chunksize = iChunkSize;
 	if( iSampleRate == 0 )
-		samplerate = 44100;
+		samplerate = 48000;
 	else
 		samplerate = iSampleRate;
 

src/arch/Sound/DSoundHelpers.cpp

@@ -62,7 +62,7 @@ void DSound::SetPrimaryBufferMode()
 	waveformat.wFormatTag = WAVE_FORMAT_PCM;
 	waveformat.wBitsPerSample = 16;
 	waveformat.nChannels = 2;
-	waveformat.nSamplesPerSec = 44100;
+	waveformat.nSamplesPerSec = 48000;
 	waveformat.nBlockAlign = 4;
 	waveformat.nAvgBytesPerSec = waveformat.nSamplesPerSec * waveformat.nBlockAlign;
 
@@ -75,8 +75,8 @@ void DSound::SetPrimaryBufferMode()
 	hr = pBuffer->GetFormat( &waveformat, sizeof(waveformat), &got );
 	if( FAILED(hr) )
 		LOG->Warn( hr_ssprintf(hr, "GetFormat on primary buffer") );
-	else if( waveformat.nSamplesPerSec != 44100 )
-		LOG->Warn( "Primary buffer set to %i instead of 44100", waveformat.nSamplesPerSec );
+	else if( waveformat.nSamplesPerSec != 48000 )
+		LOG->Warn( "Primary buffer set to %i instead of 48000", waveformat.nSamplesPerSec );
 
 	/*
 	 * MS docs:
@@ -197,7 +197,7 @@ RString DSoundBuf::Init( DSound &ds, DSoundBuf::hw hardware,
 	bool bNeedCtrlFrequency = false;
 	if( m_iSampleRate == DYNAMIC_SAMPLERATE )
 	{
-		m_iSampleRate = 44100;
+		m_iSampleRate = 48000;
 		bNeedCtrlFrequency = true;
 	}
 

src/arch/Sound/RageSoundDriver.h

@@ -66,7 +66,7 @@ public:
 	 * hearing it.  (This isn't necessarily the same as the buffer latency.) */
 	virtual float GetPlayLatency() const { return 0.0f; }
 
-	virtual int GetSampleRate() const { return 44100; }
+	virtual int GetSampleRate() const { return 48000; }
 
 protected:
 	/* Start the decoding.  This should be called once the hardware is set up and

src/arch/Sound/RageSoundDriver_AU.mm

@@ -151,7 +151,7 @@ RString RageSoundDriver_AU::Init()
 	streamFormat.mBitsPerChannel = kBitsPerChannel;
 
 	if( streamFormat.mSampleRate <= 0.0 )
-		streamFormat.mSampleRate = 44100.0;
+		streamFormat.mSampleRate = 48000.0;
 	m_iSampleRate = int( streamFormat.mSampleRate );
 	m_TimeScale = streamFormat.mSampleRate / AudioGetHostClockFrequency();
 

src/arch/Sound/RageSoundDriver_DSound_Software.cpp

@@ -97,7 +97,7 @@ RString RageSoundDriver_DSound_Software::Init()
 	m_pPCM = new DSoundBuf;
 	m_iSampleRate = PREFSMAN->m_iSoundPreferredSampleRate;
 	if( m_iSampleRate == 0 )
-		m_iSampleRate = 44100;
+		m_iSampleRate = 48000;
 	sError = m_pPCM->Init( ds, DSoundBuf::HW_DONT_CARE, channels, m_iSampleRate, 16, g_iMaxWriteahead );
 	if( sError != "" )
 		return sError;

src/arch/Sound/RageSoundDriver_Null.cpp

@@ -32,7 +32,7 @@ RageSoundDriver_Null::RageSoundDriver_Null()
 {
 	m_iSampleRate = PREFSMAN->m_iSoundPreferredSampleRate;
 	if( m_iSampleRate == 0 )
-		m_iSampleRate = 44100;
+		m_iSampleRate = 48000;
 	m_iLastCursorPos = GetPosition();
 	StartDecodeThread();
 }

src/arch/Sound/RageSoundDriver_OSS.cpp

@@ -193,7 +193,7 @@ RString RageSoundDriver_OSS::Init()
 	if(i != channels)
 		return ssprintf( "RageSoundDriver_OSS: Wanted %i channels, got %i instead", channels, i );
 
-	i = 44100;
+	i = 48000;
 	if(ioctl(fd, SNDCTL_DSP_SPEED, &i) == -1 )
 		return ssprintf( "RageSoundDriver_OSS: ioctl(SNDCTL_DSP_SPEED, %i): %s", i, strerror(errno) );
 	samplerate = i;

src/arch/Sound/RageSoundDriver_PulseAudio.cpp

@@ -29,7 +29,7 @@ m_PulseMainLoop(nullptr), m_PulseCtx(nullptr), m_PulseStream(nullptr)
 {
 	m_ss.rate = PREFSMAN->m_iSoundPreferredSampleRate;
 	if( m_ss.rate == 0 )
-		m_ss.rate = 44100;
+		m_ss.rate = 48000;
 }
 
 RageSoundDriver_PulseAudio::~RageSoundDriver_PulseAudio()
@@ -133,7 +133,7 @@ void RageSoundDriver_PulseAudio::m_InitStream(void)
 	ss.rate = PREFSMAN->m_iSoundPreferredSampleRate;
 	if(ss.rate == 0)
 	{
-		ss.rate = 44100;
+		ss.rate = 48000;
 	}
 
 	/* init channel map */

src/arch/Sound/RageSoundDriver_WaveOut.cpp

@@ -125,7 +125,7 @@ RString RageSoundDriver_WaveOut::Init()
 	b_InitSuccess = false;
 	m_iSampleRate = PREFSMAN->m_iSoundPreferredSampleRate;
 	if( m_iSampleRate == 0 )
-		m_iSampleRate = 44100;
+		m_iSampleRate = 48000;
 
 	WAVEFORMATEX fmt;
 	fmt.wFormatTag = WAVE_FORMAT_PCM;