Merge pull request #667 from RachelBryk/remove-audio-limit

Remove audio frame limit.

Source/Core/AudioCommon/AudioCommon.cpp

@@ -152,7 +152,6 @@ namespace AudioCommon
 	{
 		if (soundStream)
 		{
-			soundStream->GetMixer()->SetThrottle(SConfig::GetInstance().m_Framelimit == 2);
 			soundStream->SetVolume(SConfig::GetInstance().m_Volume);
 		}
 	}

Source/Core/AudioCommon/Mixer.cpp

@@ -46,7 +46,7 @@ unsigned int CMixer::MixerFifo::Mix(short* samples, unsigned int numSamples, boo
 
 	u32 framelimit = SConfig::GetInstance().m_Framelimit;
 	float aid_sample_rate = m_input_sample_rate + offset;
-	if (consider_framelimit && framelimit > 2)
+	if (consider_framelimit && framelimit > 1)
 	{
 		aid_sample_rate = aid_sample_rate * (framelimit - 1) * 5 / VideoInterface::TargetRefreshRate;
 	}
@@ -132,21 +132,6 @@ void CMixer::MixerFifo::PushSamples(const short *samples, unsigned int num_sampl
 	// needs to get updates to not deadlock.
 	u32 indexW = Common::AtomicLoad(m_indexW);
 
-	if (m_mixer->m_throttle)
-	{
-		// The auto throttle function. This loop will put a ceiling on the CPU MHz.
-		while (num_samples * 2 + ((indexW - Common::AtomicLoad(m_indexR)) & INDEX_MASK) >= MAX_SAMPLES * 2)
-		{
-			if (*PowerPC::GetStatePtr() != PowerPC::CPU_RUNNING || soundStream->IsMuted())
-				break;
-			// Shortcut key for Throttle Skipping
-			if (Core::GetIsFramelimiterTempDisabled())
-				break;
-			SLEEP(1);
-			soundStream->Update();
-		}
-	}
-
 	// Check if we have enough free space
 	// indexW == m_indexR results in empty buffer, so indexR must always be smaller than indexW
 	if (num_samples * 2 + ((indexW - Common::AtomicLoad(m_indexR)) & INDEX_MASK) >= MAX_SAMPLES * 2)

Source/Core/AudioCommon/Mixer.h

@@ -26,7 +26,6 @@ public:
 		, m_streaming_mixer(this, 48000)
 		, m_sampleRate(BackendSampleRate)
 		, m_logAudio(0)
-		, m_throttle(false)
 		, m_speed(0)
 	{
 		INFO_LOG(AUDIO_INTERFACE, "Mixer is initialized");
@@ -46,9 +45,6 @@ public:
 	void SetStreamInputSampleRate(unsigned int rate);
 	void SetStreamingVolume(unsigned int lvolume, unsigned int rvolume);
 
-	void SetThrottle(bool use) { m_throttle = use;}
-
-
 	virtual void StartLogAudio(const std::string& filename)
 	{
 		if (! m_logAudio)
@@ -122,8 +118,6 @@ protected:
 
 	bool m_logAudio;
 
-	bool m_throttle;
-
 	std::mutex m_csMixing;
 
 	volatile float m_speed; // Current rate of the emulation (1.0 = 100% speed)

Source/Core/Core/Core.cpp

@@ -630,7 +630,7 @@ void VideoThrottle()
 bool ShouldSkipFrame(int skipped)
 {
 	const u32 TargetFPS = (SConfig::GetInstance().m_Framelimit > 1)
-		? SConfig::GetInstance().m_Framelimit * 5
+		? (SConfig::GetInstance().m_Framelimit - 1) * 5
 		: VideoInterface::TargetRefreshRate;
 	const u32 frames = Common::AtomicLoad(DrawnFrame);
 	const bool fps_slow = !(Timer.GetTimeDifference() < (frames + skipped) * 1000 / TargetFPS);

Source/Core/Core/HW/SystemTimers.cpp

@@ -219,9 +219,9 @@ static void ThrottleCallback(u64 last_time, int cyclesLate)
 
 	int diff = (u32)last_time - time;
 	const SConfig& config = SConfig::GetInstance();
-	bool frame_limiter = config.m_Framelimit && config.m_Framelimit != 2 && !Core::GetIsFramelimiterTempDisabled();
+	bool frame_limiter = config.m_Framelimit && !Core::GetIsFramelimiterTempDisabled();
 	u32 next_event = GetTicksPerSecond()/1000;
-	if (SConfig::GetInstance().m_Framelimit > 2)
+	if (SConfig::GetInstance().m_Framelimit > 1)
 	{
 		next_event = next_event * (SConfig::GetInstance().m_Framelimit - 1) * 5 / VideoInterface::TargetRefreshRate;
 	}

Source/Core/DolphinWX/ConfigMain.cpp

@@ -264,8 +264,7 @@ void CConfigMain::InitializeGUILists()
 	// Framelimit
 	arrayStringFor_Framelimit.Add(_("Off"));
 	arrayStringFor_Framelimit.Add(_("Auto"));
-	arrayStringFor_Framelimit.Add(_("Audio"));
-	for (int i = 10; i <= 120; i += 5) // from 10 to 120
+	for (int i = 5; i <= 120; i += 5) // from 5 to 120
 		arrayStringFor_Framelimit.Add(wxString::Format("%i", i));
 
 	// Emulator Engine
@@ -898,7 +897,6 @@ void CConfigMain::CoreSettingsChanged(wxCommandEvent& event)
 		break;
 	case ID_FRAMELIMIT:
 		SConfig::GetInstance().m_Framelimit = Framelimit->GetSelection();
-		AudioCommon::UpdateSoundStream();
 		break;
 	// Core - Advanced
 	case ID_CPUENGINE:

Source/Core/DolphinWX/NetWindow.cpp

@@ -134,7 +134,6 @@ NetPlaySetupDiag::NetPlaySetupDiag(wxWindow* const parent, const CGameListCtrl*
 		" - Enable Dual Core [OFF]\n"
 		" - DSP Emulator Engine Must be the same on all computers!\n"
 		" - DSP on Dedicated Thread [OFF]\n"
-		" - Framelimit NOT set to [Audio]\n"
 		" - Manually set the extensions for each wiimote\n"
 		"\n"
 		"All players should use the same Dolphin version and settings.\n"