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[Project64] Cleanup Audio.cpp

This commit is contained in:
zilmar 2015-11-15 11:31:56 +11:00
parent 03a41c7cd3
commit 089b036cfe
2 changed files with 123 additions and 124 deletions
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205
Source/Project64/N64 System/Mips/Audio.cpp
View File

@ -12,144 +12,143 @@
CAudio::CAudio()
{
Reset();
Reset();
}
CAudio::~CAudio()
{
}
void CAudio::Reset()
{
m_SecondBuff = 0;
m_Status = 0;
m_BytesPerSecond = 0;
m_CountsPerByte = g_System->AiCountPerBytes(); // should be calculated ... see below, instead allow from user settings
if (m_CountsPerByte == 0) m_CountsPerByte = 500; // If the user has no defined value, grant a default and we will calculate
m_FramesPerSecond = 60;
m_SecondBuff = 0;
m_Status = 0;
m_BytesPerSecond = 0;
m_CountsPerByte = g_System->AiCountPerBytes(); // should be calculated ... see below, instead allow from user settings
if (m_CountsPerByte == 0) m_CountsPerByte = 500; // If the user has no defined value, grant a default and we will calculate
m_FramesPerSecond = 60;
}
DWORD CAudio::GetLength()
{
WriteTraceF(TraceAudio,__FUNCTION__ ": Start (m_SecondBuff = %d)",m_SecondBuff);
DWORD TimeLeft = g_SystemTimer->GetTimer(CSystemTimer::AiTimerInterrupt), Res = 0;
if (TimeLeft > 0)
{
Res = (TimeLeft / m_CountsPerByte);
}
WriteTraceF(TraceAudio,__FUNCTION__ ": Done (res = %d, TimeLeft = %d)",Res, TimeLeft);
return (Res+3)&~3;
WriteTraceF(TraceAudio, __FUNCTION__ ": Start (m_SecondBuff = %d)", m_SecondBuff);
DWORD TimeLeft = g_SystemTimer->GetTimer(CSystemTimer::AiTimerInterrupt), Res = 0;
if (TimeLeft > 0)
{
Res = (TimeLeft / m_CountsPerByte);
}
WriteTraceF(TraceAudio, __FUNCTION__ ": Done (res = %d, TimeLeft = %d)", Res, TimeLeft);
return (Res + 3)&~3;
}
DWORD CAudio::GetStatus()
{
WriteTraceF(TraceAudio,__FUNCTION__ ": m_Status = %X",m_Status);
return m_Status;
WriteTraceF(TraceAudio, __FUNCTION__ ": m_Status = %X", m_Status);
return m_Status;
}
void CAudio::LenChanged()
{
WriteTraceF(TraceAudio,__FUNCTION__ ": Start (g_Reg->AI_LEN_REG = %d)",g_Reg->AI_LEN_REG);
if (g_Reg->AI_LEN_REG != 0)
{
if (g_Reg->AI_LEN_REG >= 0x40000)
{
WriteTraceF(TraceAudio,__FUNCTION__ ": *** Ignoring Write, To Large (%X)",g_Reg->AI_LEN_REG);
} else {
m_Status |= ai_busy;
DWORD AudioLeft = g_SystemTimer->GetTimer(CSystemTimer::AiTimerInterrupt);
if (m_SecondBuff == 0)
{
if (AudioLeft == 0)
{
WriteTraceF(TraceAudio, __FUNCTION__ ": Set Timer AI_LEN_REG: %d m_CountsPerByte: %d", g_Reg->AI_LEN_REG, m_CountsPerByte);
g_SystemTimer->SetTimer(CSystemTimer::AiTimerInterrupt, g_Reg->AI_LEN_REG * m_CountsPerByte, false);
}
else
{
WriteTraceF(TraceAudio, __FUNCTION__ ": Increasing Second Buffer (m_SecondBuff %d Increase: %d)", m_SecondBuff, g_Reg->AI_LEN_REG);
m_SecondBuff += g_Reg->AI_LEN_REG;
m_Status |= ai_full;
}
}
else
{
g_Notify->BreakPoint(__FILEW__, __LINE__);
}
}
}
else
{
WriteTraceF(TraceAudio,__FUNCTION__ ": *** Reset Timer to 0");
g_SystemTimer->StopTimer(CSystemTimer::AiTimerBusy);
g_SystemTimer->StopTimer(CSystemTimer::AiTimerInterrupt);
m_SecondBuff = 0;
m_Status = 0;
}
WriteTraceF(TraceAudio, __FUNCTION__ ": Start (g_Reg->AI_LEN_REG = %d)", g_Reg->AI_LEN_REG);
if (g_Reg->AI_LEN_REG != 0)
{
if (g_Reg->AI_LEN_REG >= 0x40000)
{
WriteTraceF(TraceAudio, __FUNCTION__ ": *** Ignoring Write, To Large (%X)", g_Reg->AI_LEN_REG);
}
else {
m_Status |= ai_busy;
DWORD AudioLeft = g_SystemTimer->GetTimer(CSystemTimer::AiTimerInterrupt);
if (m_SecondBuff == 0)
{
if (AudioLeft == 0)
{
WriteTraceF(TraceAudio, __FUNCTION__ ": Set Timer AI_LEN_REG: %d m_CountsPerByte: %d", g_Reg->AI_LEN_REG, m_CountsPerByte);
g_SystemTimer->SetTimer(CSystemTimer::AiTimerInterrupt, g_Reg->AI_LEN_REG * m_CountsPerByte, false);
}
else
{
WriteTraceF(TraceAudio, __FUNCTION__ ": Increasing Second Buffer (m_SecondBuff %d Increase: %d)", m_SecondBuff, g_Reg->AI_LEN_REG);
m_SecondBuff += g_Reg->AI_LEN_REG;
m_Status |= ai_full;
}
}
else
{
g_Notify->BreakPoint(__FILEW__, __LINE__);
}
}
}
else
{
WriteTraceF(TraceAudio, __FUNCTION__ ": *** Reset Timer to 0");
g_SystemTimer->StopTimer(CSystemTimer::AiTimerBusy);
g_SystemTimer->StopTimer(CSystemTimer::AiTimerInterrupt);
m_SecondBuff = 0;
m_Status = 0;
}
if (g_Plugins->Audio()->AiLenChanged != NULL)
{
g_Plugins->Audio()->AiLenChanged();
}
WriteTraceF(TraceAudio,__FUNCTION__ ": Done");
if (g_Plugins->Audio()->AiLenChanged != NULL)
{
g_Plugins->Audio()->AiLenChanged();
}
WriteTraceF(TraceAudio, __FUNCTION__ ": Done");
}
void CAudio::InterruptTimerDone()
{
WriteTraceF(TraceAudio,__FUNCTION__ ": Start (m_SecondBuff = %d)",m_SecondBuff);
m_Status &= ~ai_full;
g_Reg->MI_INTR_REG |= MI_INTR_AI;
g_Reg->CheckInterrupts();
if (m_SecondBuff != 0)
{
g_SystemTimer->SetTimer(CSystemTimer::AiTimerInterrupt,m_SecondBuff * m_CountsPerByte,false);
m_SecondBuff = 0;
}
else
{
m_Status &= ~ai_busy;
}
if (g_Reg->m_AudioIntrReg == 0)
{
g_System->SyncToAudio();
}
WriteTrace(TraceAudio,__FUNCTION__ ": Done");
WriteTraceF(TraceAudio, __FUNCTION__ ": Start (m_SecondBuff = %d)", m_SecondBuff);
m_Status &= ~ai_full;
g_Reg->MI_INTR_REG |= MI_INTR_AI;
g_Reg->CheckInterrupts();
if (m_SecondBuff != 0)
{
g_SystemTimer->SetTimer(CSystemTimer::AiTimerInterrupt, m_SecondBuff * m_CountsPerByte, false);
m_SecondBuff = 0;
}
else
{
m_Status &= ~ai_busy;
}
if (g_Reg->m_AudioIntrReg == 0)
{
g_System->SyncToAudio();
}
WriteTrace(TraceAudio, __FUNCTION__ ": Done");
}
void CAudio::BusyTimerDone()
{
WriteTraceF(TraceAudio,__FUNCTION__ ": Start (m_SecondBuff = %d)",m_SecondBuff);
g_Notify->BreakPoint(__FILEW__,__LINE__);
m_Status &= ~ai_busy;
WriteTraceF(TraceAudio, __FUNCTION__ ": Start (m_SecondBuff = %d)", m_SecondBuff);
g_Notify->BreakPoint(__FILEW__, __LINE__);
m_Status &= ~ai_busy;
}
void CAudio::SetViIntr ( DWORD VI_INTR_TIME )
void CAudio::SetViIntr(DWORD VI_INTR_TIME)
{
double CountsPerSecond = (DWORD)((double)VI_INTR_TIME * m_FramesPerSecond);
if (m_BytesPerSecond != 0 && (g_System->AiCountPerBytes() == 0))
{
m_CountsPerByte = (int)((double)CountsPerSecond / (double)m_BytesPerSecond);
}
double CountsPerSecond = (DWORD)((double)VI_INTR_TIME * m_FramesPerSecond);
if (m_BytesPerSecond != 0 && (g_System->AiCountPerBytes() == 0))
{
m_CountsPerByte = (int)((double)CountsPerSecond / (double)m_BytesPerSecond);
}
}
void CAudio::SetFrequency (DWORD Dacrate, DWORD System)
void CAudio::SetFrequency(DWORD Dacrate, DWORD System)
{
WriteTraceF(TraceAudio,__FUNCTION__ "(Dacrate: %X System: %d): AI_BITRATE_REG = %X",Dacrate,System,g_Reg->AI_BITRATE_REG);
DWORD Frequency;
WriteTraceF(TraceAudio, __FUNCTION__ "(Dacrate: %X System: %d): AI_BITRATE_REG = %X", Dacrate, System, g_Reg->AI_BITRATE_REG);
DWORD Frequency;
switch (System)
{
case SYSTEM_PAL: Frequency = 49656530 / (Dacrate + 1); break;
case SYSTEM_MPAL: Frequency = 48628316 / (Dacrate + 1); break;
default: Frequency = 48681812 / (Dacrate + 1); break;
}
switch (System)
{
case SYSTEM_PAL: Frequency = 49656530 / (Dacrate + 1); break;
case SYSTEM_MPAL: Frequency = 48628316 / (Dacrate + 1); break;
default: Frequency = 48681812 / (Dacrate + 1); break;
}
//nBlockAlign = 16 / 8 * 2;
m_BytesPerSecond = Frequency * 4;
//m_BytesPerSecond = 194532;
//m_BytesPerSecond = 128024;
//nBlockAlign = 16 / 8 * 2;
m_BytesPerSecond = Frequency * 4;
//m_BytesPerSecond = 194532;
//m_BytesPerSecond = 128024;
m_FramesPerSecond = System == SYSTEM_PAL ? 50 : 60;
}
m_FramesPerSecond = System == SYSTEM_PAL ? 50 : 60;
}

42
Source/Project64/N64 System/Mips/Audio.h
View File

@ -11,29 +11,29 @@
#pragma once
class CAudio
{
enum
{
ai_full = 0x80000000,
ai_busy = 0x40000000,
};
{
enum
{
ai_full = 0x80000000,
ai_busy = 0x40000000,
};
public:
CAudio();
~CAudio();
CAudio();
~CAudio();
DWORD GetLength ();
DWORD GetStatus ();
void LenChanged ();
void InterruptTimerDone();
void BusyTimerDone ();
void Reset ();
void SetViIntr ( DWORD VI_INTR_TIME );
void SetFrequency ( DWORD Dacrate, DWORD System );
DWORD GetLength();
DWORD GetStatus();
void LenChanged();
void InterruptTimerDone();
void BusyTimerDone();
void Reset();
void SetViIntr(DWORD VI_INTR_TIME);
void SetFrequency(DWORD Dacrate, DWORD System);
private:
DWORD m_SecondBuff;
DWORD m_Status;
DWORD m_BytesPerSecond;
int m_CountsPerByte;
int m_FramesPerSecond;
DWORD m_SecondBuff;
DWORD m_Status;
DWORD m_BytesPerSecond;
int m_CountsPerByte;
int m_FramesPerSecond;
};