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-rw-r--r--Alc/mixer.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c
index 3f80434e..ae049ac8 100644
--- a/Alc/mixer.c
+++ b/Alc/mixer.c
@@ -192,6 +192,7 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
ALuint NumChannels;
ALuint SampleSize;
ALint64 DataSize64;
+ ALuint IrSize;
ALuint chan, j;
/* Get source info */
@@ -217,6 +218,8 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
BufferListItem = BufferListItem->next;
}
+ IrSize = (Device->Hrtf ? GetHrtfIrSize(Device->Hrtf) : 0);
+
Mix = SelectMixer();
HrtfMix = SelectHrtfMixer();
Resample = ((increment == FRACTIONONE && DataPosFrac == 0) ?
@@ -436,7 +439,7 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
parms->Counter, OutPos, DstBufferSize);
else
HrtfMix(parms->OutBuffer, samples, parms->Counter, voice->Offset,
- OutPos, parms->Hrtf.IrSize, &parms->Hrtf.Params[chan],
+ OutPos, IrSize, &parms->Hrtf.Params[chan],
&parms->Hrtf.State[chan], DstBufferSize);
}