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Use specialized click removal loops for mono and stereo output

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This commit is contained in:
Chris Robinson 2011-07-30 05:43:47 -07:00
parent f986f7dfad
commit 81d401eab5
1 changed files with 37 additions and 7 deletions
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44
Alc/ALu.c
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@ -1057,18 +1057,48 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
UnlockDevice(device); UnlockDevice(device);
//Post processing loop //Post processing loop
for(i = 0;i < SamplesToDo;i++) if(device->FmtChans == DevFmtMono)
{ {
for(c = 0;c < MAXCHANNELS;c++) for(i = 0;i < SamplesToDo;i++)
{ {
device->DryBuffer[i][c] += device->ClickRemoval[c]; device->DryBuffer[i][FRONT_CENTER] += device->ClickRemoval[FRONT_CENTER];
device->ClickRemoval[c] -= device->ClickRemoval[c] / 256.0f; device->ClickRemoval[FRONT_CENTER] -= device->ClickRemoval[FRONT_CENTER] / 256.0f;
}
device->ClickRemoval[FRONT_CENTER] += device->PendingClicks[FRONT_CENTER];
device->PendingClicks[FRONT_CENTER] = 0.0f;
}
else if(device->FmtChans == DevFmtStereo)
{
/* Assumes the first two channels are FRONT_LEFT and FRONT_RIGHT */
for(i = 0;i < SamplesToDo;i++)
{
for(c = 0;c < 2;c++)
{
device->DryBuffer[i][c] += device->ClickRemoval[c];
device->ClickRemoval[c] -= device->ClickRemoval[c] / 256.0f;
}
}
for(c = 0;c < 2;c++)
{
device->ClickRemoval[c] += device->PendingClicks[c];
device->PendingClicks[c] = 0.0f;
} }
} }
for(i = 0;i < MAXCHANNELS;i++) else
{ {
device->ClickRemoval[i] += device->PendingClicks[i]; for(i = 0;i < SamplesToDo;i++)
device->PendingClicks[i] = 0.0f; {
for(c = 0;c < MAXCHANNELS;c++)
{
device->DryBuffer[i][c] += device->ClickRemoval[c];
device->ClickRemoval[c] -= device->ClickRemoval[c] / 256.0f;
}
}
for(c = 0;c < MAXCHANNELS;c++)
{
device->ClickRemoval[c] += device->PendingClicks[c];
device->PendingClicks[c] = 0.0f;
}
} }
switch(device->FmtType) switch(device->FmtType)