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https://github.com/dolphin-emu/dolphin.git
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AudioInterface: Amend variable naming
Normalizes variable names to conform to our coding conventions. Previously we were signifying some variables as externally linked globals, which wasn't the case.
This commit is contained in:
Lioncash
parent
4fb2d580d8
commit
b59cda1435
@ -106,53 +106,54 @@ union AIVR
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// STATE_TO_SAVE
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// Registers
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static AICR m_Control;
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static AIVR m_Volume;
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static u32 m_SampleCounter = 0;
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static u32 m_InterruptTiming = 0;
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static AICR s_control;
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static AIVR s_volume;
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static u32 s_sample_counter = 0;
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static u32 s_interrupt_timing = 0;
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static u64 g_LastCPUTime = 0;
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static u64 g_CPUCyclesPerSample = 0xFFFFFFFFFFFULL;
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static u64 s_last_cpu_time = 0;
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static u64 s_cpu_cycles_per_sample = 0xFFFFFFFFFFFULL;
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static unsigned int g_AISSampleRate = 48000;
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static unsigned int g_AIDSampleRate = 32000;
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static u32 s_ais_sample_rate = 48000;
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static u32 s_aid_sample_rate = 32000;
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void DoState(PointerWrap& p)
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{
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p.DoPOD(m_Control);
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p.DoPOD(m_Volume);
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p.Do(m_SampleCounter);
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p.Do(m_InterruptTiming);
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p.Do(g_LastCPUTime);
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p.Do(g_AISSampleRate);
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p.Do(g_AIDSampleRate);
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p.Do(g_CPUCyclesPerSample);
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p.DoPOD(s_control);
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p.DoPOD(s_volume);
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p.Do(s_sample_counter);
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p.Do(s_interrupt_timing);
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p.Do(s_last_cpu_time);
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p.Do(s_ais_sample_rate);
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p.Do(s_aid_sample_rate);
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p.Do(s_cpu_cycles_per_sample);
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g_sound_stream->GetMixer()->DoState(p);
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}
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static void GenerateAudioInterrupt();
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static void UpdateInterrupts();
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static void IncreaseSampleCount(const u32 _uAmount);
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static void IncreaseSampleCount(u32 amount);
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static int GetAIPeriod();
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static CoreTiming::EventType* et_AI;
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static void Update(u64 userdata, s64 cyclesLate);
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static void Update(u64 userdata, s64 cycles_late);
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static CoreTiming::EventType* event_type_ai;
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void Init()
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{
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m_Control.hex = 0;
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m_Control.AISFR = AIS_48KHz;
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m_Volume.hex = 0;
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m_SampleCounter = 0;
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m_InterruptTiming = 0;
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s_control.hex = 0;
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s_control.AISFR = AIS_48KHz;
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s_volume.hex = 0;
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s_sample_counter = 0;
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s_interrupt_timing = 0;
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g_LastCPUTime = 0;
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g_CPUCyclesPerSample = 0xFFFFFFFFFFFULL;
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s_last_cpu_time = 0;
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s_cpu_cycles_per_sample = 0xFFFFFFFFFFFULL;
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g_AISSampleRate = 48000;
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g_AIDSampleRate = 32000;
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s_ais_sample_rate = 48000;
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s_aid_sample_rate = 32000;
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et_AI = CoreTiming::RegisterEvent("AICallback", Update);
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event_type_ai = CoreTiming::RegisterEvent("AICallback", Update);
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}
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void Shutdown()
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@ -162,114 +163,114 @@ void Shutdown()
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void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
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{
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mmio->Register(
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base | AI_CONTROL_REGISTER, MMIO::DirectRead<u32>(&m_Control.hex),
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base | AI_CONTROL_REGISTER, MMIO::DirectRead<u32>(&s_control.hex),
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MMIO::ComplexWrite<u32>([](u32, u32 val) {
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AICR tmpAICtrl(val);
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const AICR tmp_ai_ctrl(val);
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if (m_Control.AIINTMSK != tmpAICtrl.AIINTMSK)
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if (s_control.AIINTMSK != tmp_ai_ctrl.AIINTMSK)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIINTMSK to %d", tmpAICtrl.AIINTMSK);
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m_Control.AIINTMSK = tmpAICtrl.AIINTMSK;
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIINTMSK to %d", tmp_ai_ctrl.AIINTMSK);
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s_control.AIINTMSK = tmp_ai_ctrl.AIINTMSK;
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}
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if (m_Control.AIINTVLD != tmpAICtrl.AIINTVLD)
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if (s_control.AIINTVLD != tmp_ai_ctrl.AIINTVLD)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIINTVLD to %d", tmpAICtrl.AIINTVLD);
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m_Control.AIINTVLD = tmpAICtrl.AIINTVLD;
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIINTVLD to %d", tmp_ai_ctrl.AIINTVLD);
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s_control.AIINTVLD = tmp_ai_ctrl.AIINTVLD;
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}
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// Set frequency of streaming audio
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if (tmpAICtrl.AISFR != m_Control.AISFR)
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if (tmp_ai_ctrl.AISFR != s_control.AISFR)
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{
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// AISFR rates below are intentionally inverted wrt yagcd
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DEBUG_LOG(AUDIO_INTERFACE, "Change AISFR to %s", tmpAICtrl.AISFR ? "48khz" : "32khz");
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m_Control.AISFR = tmpAICtrl.AISFR;
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DEBUG_LOG(AUDIO_INTERFACE, "Change AISFR to %s", tmp_ai_ctrl.AISFR ? "48khz" : "32khz");
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s_control.AISFR = tmp_ai_ctrl.AISFR;
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if (SConfig::GetInstance().bWii)
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g_AISSampleRate = tmpAICtrl.AISFR ? 48000 : 32000;
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s_ais_sample_rate = tmp_ai_ctrl.AISFR ? 48000 : 32000;
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else
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g_AISSampleRate = tmpAICtrl.AISFR ? 48043 : 32029;
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g_sound_stream->GetMixer()->SetStreamInputSampleRate(g_AISSampleRate);
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g_CPUCyclesPerSample = SystemTimers::GetTicksPerSecond() / g_AISSampleRate;
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s_ais_sample_rate = tmp_ai_ctrl.AISFR ? 48043 : 32029;
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g_sound_stream->GetMixer()->SetStreamInputSampleRate(s_ais_sample_rate);
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s_cpu_cycles_per_sample = SystemTimers::GetTicksPerSecond() / s_ais_sample_rate;
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}
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// Set frequency of DMA
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if (tmpAICtrl.AIDFR != m_Control.AIDFR)
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if (tmp_ai_ctrl.AIDFR != s_control.AIDFR)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIDFR to %s", tmpAICtrl.AIDFR ? "32khz" : "48khz");
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m_Control.AIDFR = tmpAICtrl.AIDFR;
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DEBUG_LOG(AUDIO_INTERFACE, "Change AIDFR to %s", tmp_ai_ctrl.AIDFR ? "32khz" : "48khz");
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s_control.AIDFR = tmp_ai_ctrl.AIDFR;
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if (SConfig::GetInstance().bWii)
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g_AIDSampleRate = tmpAICtrl.AIDFR ? 32000 : 48000;
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s_aid_sample_rate = tmp_ai_ctrl.AIDFR ? 32000 : 48000;
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else
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g_AIDSampleRate = tmpAICtrl.AIDFR ? 32029 : 48043;
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g_sound_stream->GetMixer()->SetDMAInputSampleRate(g_AIDSampleRate);
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s_aid_sample_rate = tmp_ai_ctrl.AIDFR ? 32029 : 48043;
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g_sound_stream->GetMixer()->SetDMAInputSampleRate(s_aid_sample_rate);
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}
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// Streaming counter
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if (tmpAICtrl.PSTAT != m_Control.PSTAT)
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if (tmp_ai_ctrl.PSTAT != s_control.PSTAT)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "%s streaming audio", tmpAICtrl.PSTAT ? "start" : "stop");
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m_Control.PSTAT = tmpAICtrl.PSTAT;
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g_LastCPUTime = CoreTiming::GetTicks();
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DEBUG_LOG(AUDIO_INTERFACE, "%s streaming audio", tmp_ai_ctrl.PSTAT ? "start" : "stop");
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s_control.PSTAT = tmp_ai_ctrl.PSTAT;
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s_last_cpu_time = CoreTiming::GetTicks();
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CoreTiming::RemoveEvent(et_AI);
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CoreTiming::ScheduleEvent(GetAIPeriod(), et_AI);
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CoreTiming::RemoveEvent(event_type_ai);
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CoreTiming::ScheduleEvent(GetAIPeriod(), event_type_ai);
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}
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// AI Interrupt
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if (tmpAICtrl.AIINT)
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if (tmp_ai_ctrl.AIINT)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "Clear AIS Interrupt");
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m_Control.AIINT = 0;
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s_control.AIINT = 0;
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}
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// Sample Count Reset
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if (tmpAICtrl.SCRESET)
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if (tmp_ai_ctrl.SCRESET)
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{
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DEBUG_LOG(AUDIO_INTERFACE, "Reset AIS sample counter");
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m_SampleCounter = 0;
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s_sample_counter = 0;
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g_LastCPUTime = CoreTiming::GetTicks();
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s_last_cpu_time = CoreTiming::GetTicks();
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}
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UpdateInterrupts();
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}));
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mmio->Register(base | AI_VOLUME_REGISTER, MMIO::DirectRead<u32>(&m_Volume.hex),
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mmio->Register(base | AI_VOLUME_REGISTER, MMIO::DirectRead<u32>(&s_volume.hex),
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MMIO::ComplexWrite<u32>([](u32, u32 val) {
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m_Volume.hex = val;
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g_sound_stream->GetMixer()->SetStreamingVolume(m_Volume.left, m_Volume.right);
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s_volume.hex = val;
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g_sound_stream->GetMixer()->SetStreamingVolume(s_volume.left, s_volume.right);
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}));
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mmio->Register(base | AI_SAMPLE_COUNTER, MMIO::ComplexRead<u32>([](u32) {
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return m_SampleCounter +
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static_cast<u32>((CoreTiming::GetTicks() - g_LastCPUTime) /
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g_CPUCyclesPerSample);
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return s_sample_counter +
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static_cast<u32>((CoreTiming::GetTicks() - s_last_cpu_time) /
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s_cpu_cycles_per_sample);
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}),
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MMIO::ComplexWrite<u32>([](u32, u32 val) {
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m_SampleCounter = val;
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g_LastCPUTime = CoreTiming::GetTicks();
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CoreTiming::RemoveEvent(et_AI);
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CoreTiming::ScheduleEvent(GetAIPeriod(), et_AI);
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s_sample_counter = val;
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s_last_cpu_time = CoreTiming::GetTicks();
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CoreTiming::RemoveEvent(event_type_ai);
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CoreTiming::ScheduleEvent(GetAIPeriod(), event_type_ai);
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}));
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mmio->Register(base | AI_INTERRUPT_TIMING, MMIO::DirectRead<u32>(&m_InterruptTiming),
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mmio->Register(base | AI_INTERRUPT_TIMING, MMIO::DirectRead<u32>(&s_interrupt_timing),
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MMIO::ComplexWrite<u32>([](u32, u32 val) {
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DEBUG_LOG(AUDIO_INTERFACE, "AI_INTERRUPT_TIMING=%08x@%08x", val,
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PowerPC::ppcState.pc);
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m_InterruptTiming = val;
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CoreTiming::RemoveEvent(et_AI);
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CoreTiming::ScheduleEvent(GetAIPeriod(), et_AI);
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s_interrupt_timing = val;
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CoreTiming::RemoveEvent(event_type_ai);
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CoreTiming::ScheduleEvent(GetAIPeriod(), event_type_ai);
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}));
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}
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static void UpdateInterrupts()
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{
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ProcessorInterface::SetInterrupt(ProcessorInterface::INT_CAUSE_AI,
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m_Control.AIINT & m_Control.AIINTMSK);
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s_control.AIINT & s_control.AIINTMSK);
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}
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static void GenerateAudioInterrupt()
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{
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m_Control.AIINT = 1;
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s_control.AIINT = 1;
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UpdateInterrupts();
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}
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@ -278,17 +279,17 @@ void GenerateAISInterrupt()
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GenerateAudioInterrupt();
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}
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static void IncreaseSampleCount(const u32 _iAmount)
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static void IncreaseSampleCount(const u32 amount)
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{
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if (m_Control.PSTAT)
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if (s_control.PSTAT)
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{
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u32 old_SampleCounter = m_SampleCounter + 1;
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m_SampleCounter += _iAmount;
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const u32 old_sample_counter = s_sample_counter + 1;
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s_sample_counter += amount;
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if ((m_InterruptTiming - old_SampleCounter) <= (m_SampleCounter - old_SampleCounter))
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if ((s_interrupt_timing - old_sample_counter) <= (s_sample_counter - old_sample_counter))
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{
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DEBUG_LOG(AUDIO_INTERFACE, "GenerateAudioInterrupt %08x:%08x @ %08x m_Control.AIINTVLD=%d",
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m_SampleCounter, m_InterruptTiming, PowerPC::ppcState.pc, m_Control.AIINTVLD);
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DEBUG_LOG(AUDIO_INTERFACE, "GenerateAudioInterrupt %08x:%08x @ %08x s_control.AIINTVLD=%d",
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s_sample_counter, s_interrupt_timing, PowerPC::ppcState.pc, s_control.AIINTVLD);
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GenerateAudioInterrupt();
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}
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}
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@ -296,33 +297,33 @@ static void IncreaseSampleCount(const u32 _iAmount)
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bool IsPlaying()
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{
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return (m_Control.PSTAT == 1);
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return (s_control.PSTAT == 1);
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}
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unsigned int GetAIDSampleRate()
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{
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return g_AIDSampleRate;
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return s_aid_sample_rate;
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}
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static void Update(u64 userdata, s64 cyclesLate)
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static void Update(u64 userdata, s64 cycles_late)
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{
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if (m_Control.PSTAT)
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if (s_control.PSTAT)
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{
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const u64 Diff = CoreTiming::GetTicks() - g_LastCPUTime;
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if (Diff > g_CPUCyclesPerSample)
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const u64 diff = CoreTiming::GetTicks() - s_last_cpu_time;
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if (diff > s_cpu_cycles_per_sample)
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{
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const u32 Samples = static_cast<u32>(Diff / g_CPUCyclesPerSample);
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g_LastCPUTime += Samples * g_CPUCyclesPerSample;
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IncreaseSampleCount(Samples);
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const u32 samples = static_cast<u32>(diff / s_cpu_cycles_per_sample);
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s_last_cpu_time += samples * s_cpu_cycles_per_sample;
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IncreaseSampleCount(samples);
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}
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CoreTiming::ScheduleEvent(GetAIPeriod() - cyclesLate, et_AI);
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CoreTiming::ScheduleEvent(GetAIPeriod() - cycles_late, event_type_ai);
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}
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}
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int GetAIPeriod()
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{
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u64 period = g_CPUCyclesPerSample * (m_InterruptTiming - m_SampleCounter);
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u64 s_period = g_CPUCyclesPerSample * g_AISSampleRate;
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u64 period = s_cpu_cycles_per_sample * (s_interrupt_timing - s_sample_counter);
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u64 s_period = s_cpu_cycles_per_sample * s_ais_sample_rate;
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if (period == 0)
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return static_cast<int>(s_period);
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return static_cast<int>(std::min(period, s_period));
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