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SPU2-X: 

- Pseudonym made the voice free-run system a bit faster. Also fixes some odd sound skips introduced with the first version of this fix.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2636 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
ramapcsx2 2010-02-25 05:32:51 +00:00
parent b13e917eb2
commit 155c96c0aa
1 changed files with 36 additions and 4 deletions
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40
plugins/spu2-x/src/Mixer.cpp
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@ -257,6 +257,39 @@ _Increment:
return vc.SBuffer[vc.SCurrent++];
}
static __forceinline void __fastcall GetNextDataDummy(V_Core& thiscore, uint voiceidx)
{
V_Voice& vc( thiscore.Voices[voiceidx] );
if( vc.SCurrent == 28 )
{
if(vc.LoopFlags & XAFLAG_LOOP_END)
{
thiscore.Regs.ENDX |= (1 << voiceidx);
if( vc.LoopFlags & XAFLAG_LOOP )
vc.NextA = vc.LoopStartA;
else
vc.Stop();
}
vc.LoopFlags = *GetMemPtr(vc.NextA&0xFFFFF) >> 8; // grab loop flags from the upper byte.
vc.SCurrent = 0;
if( (vc.LoopFlags & XAFLAG_LOOP_START) && !vc.LoopMode )
vc.LoopStartA = vc.NextA;
goto _Increment;
}
if( (vc.SCurrent&3) == 3 )
{
_Increment:
IncrementNextA( thiscore, vc );
}
vc.SCurrent++;
}
/////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
// //
@ -523,11 +556,10 @@ static __forceinline StereoOut32 MixVoice( uint coreidx, uint voiceidx )
else
{
// Continue processing voice, even if it's "off". Or else we miss interrupts! (Fatal Frame engine died because of this.)
// Slow, complete version
UpdatePitch(coreidx, voiceidx);
while (vc.SP > 0) {
GetNextDataBuffered(thiscore, voiceidx);
vc.SP -= 4096;
while (vc.SP > 0) {
GetNextDataDummy(thiscore, voiceidx); // Dummy is enough
vc.SP -= 4096;
}
// Write-back of raw voice data (some zeros since the voice is "dead")