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Merge pull request #513 from raven02/sas

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Shift volume base on sceSasSetVolume
This commit is contained in:
Henrik Rydgård 2013-01-27 14:18:27 -08:00
commit 85a317bde9
3 changed files with 12 additions and 8 deletions
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10
Core/HLE/sceSas.cpp
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@ -197,9 +197,9 @@ u32 sceSasSetPause(u32 core, int voicebit, int pause)
return 0;
}
u32 sceSasSetVolume(u32 core, int voiceNum, int l, int r, int el, int er)
u32 sceSasSetVolume(u32 core, int voiceNum, int leftVol, int rightVol, int effectLeftVol, int effectRightVol)
{
DEBUG_LOG(HLE,"sceSasSetVolume(%08x, %i, %i, %i, %i, %i)", core, voiceNum, l, r, el, er);
DEBUG_LOG(HLE,"sceSasSetVolume(%08x, %i, %i, %i, %i, %i)", core, voiceNum, leftVol, rightVol, effectLeftVol, effectRightVol);
if (voiceNum >= PSP_SAS_VOICES_MAX || voiceNum < 0) {
WARN_LOG(HLE, "%s: invalid voicenum %d", __FUNCTION__, voiceNum);
@ -207,8 +207,10 @@ u32 sceSasSetVolume(u32 core, int voiceNum, int l, int r, int el, int er)
}
SasVoice &v = sas->voices[voiceNum];
v.volumeLeft = l;
v.volumeRight = r;
v.volumeLeft = (leftVol << 3);
v.volumeRight = (rightVol << 3);
v.effectLeft = effectLeftVol;
v.effectRight = effectRightVol;
return 0;
}

8
Core/HW/SasAudio.cpp
View File

@ -284,10 +284,10 @@ void SasInstance::Mix(u32 outAddr) {
// We mix into this 32-bit temp buffer and clip in a second loop
// Ideally, the shift right should be there too but for now I'm concerned about
// not overflowing.
mixBuffer[i * 2] += sample * voice.volumeLeft >> 12;
mixBuffer[i * 2 + 1] += sample * voice.volumeRight >> 12;
sendBuffer[i * 2] += sample * voice.volumeLeftSend >> 12;
sendBuffer[i * 2 + 1] += sample * voice.volumeRightSend >> 12;
mixBuffer[i * 2] += sample * voice.volumeLeft >> 15;
mixBuffer[i * 2 + 1] += sample * voice.volumeRight >> 15;
sendBuffer[i * 2] += sample * voice.volumeLeftSend >> 15;
sendBuffer[i * 2 + 1] += sample * voice.volumeRightSend >> 15;
voice.envelope.Step();
}
voice.sampleFrac = sampleFrac;

2
Core/HW/SasAudio.h
View File

@ -199,6 +199,8 @@ struct SasVoice
int volumeRight;
int volumeLeftSend; // volume to "Send" (audio-lingo) to the effects processing engine, like reverb
int volumeRightSend;
int effectLeft;
int effectRight;
s16 resampleHist[2];
ADSREnvelope envelope;