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-rw-r--r--Alc/lpfilter.c21
-rw-r--r--OpenAL32/Include/alFilter.h8
-rw-r--r--OpenAL32/alAuxEffectSlot.c3
-rw-r--r--OpenAL32/alSource.c3
4 files changed, 7 insertions, 28 deletions
diff --git a/Alc/lpfilter.c b/Alc/lpfilter.c
index e10b15d7..2496f007 100644
--- a/Alc/lpfilter.c
+++ b/Alc/lpfilter.c
@@ -87,24 +87,9 @@ int InitLowPassFilter(ALCcontext *Context, FILTER *iir)
ProtoCoef[1].b1 = 1.847759;
ProtoCoef[1].b2 = 1.0;
- /*
- * Allocate array of z-domain coefficients for each filter section
- * plus filter gain variable
- */
- iir->coef = (float*)calloc(4*FILTER_SECTIONS + 1, sizeof(float));
- if(!iir->coef)
- {
- AL_PRINT("Unable to allocate coef array\n");
- return 1;
- }
-
- /* allocate history array */
- iir->history = (float*)calloc(2*FILTER_SECTIONS, sizeof(float));
- if(!iir->history) {
- AL_PRINT("\nUnable to allocate history array\n");
- return 1;
- }
-
+ /* Clear the coefficient and history arrays */
+ memset(iir->coef, 0, sizeof(iir->coef));
+ memset(iir->history, 0, sizeof(iir->history));
k = 1.0; /* Set overall filter gain */
coef = iir->coef + 1; /* Skip k, or gain */
diff --git a/OpenAL32/Include/alFilter.h b/OpenAL32/Include/alFilter.h
index c57dabb0..afda32c3 100644
--- a/OpenAL32/Include/alFilter.h
+++ b/OpenAL32/Include/alFilter.h
@@ -7,9 +7,11 @@
extern "C" {
#endif
+#define FILTER_SECTIONS 2 /* 2 filter sections for 24 db/oct filter */
+
typedef struct {
- float *history; /* pointer to history in filter */
- float *coef; /* pointer to coefficients of filter */
+ float history[2*FILTER_SECTIONS]; /* history in filter */
+ float coef[4*FILTER_SECTIONS + 1]; /* coefficients of filter */
} FILTER;
#define AL_FILTER_TYPE 0x8001
@@ -53,8 +55,6 @@ AL_API ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *pf
ALvoid ReleaseALFilters(ALvoid);
-#define FILTER_SECTIONS 2 /* 2 filter sections for 24 db/oct filter */
-
int InitLowPassFilter(ALCcontext *Context, FILTER *iir);
#ifdef __cplusplus
diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c
index e05448cd..f9667ddb 100644
--- a/OpenAL32/alAuxEffectSlot.c
+++ b/OpenAL32/alAuxEffectSlot.c
@@ -141,9 +141,6 @@ AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, ALuint *effect
ALAuxiliaryEffectSlot = ((ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslots[i]));
- free(ALAuxiliaryEffectSlot->iirFilter.coef);
- free(ALAuxiliaryEffectSlot->iirFilter.history);
-
// Remove Source from list of Sources
list = &Context->AuxiliaryEffectSlot;
while(*list && *list != ALAuxiliaryEffectSlot)
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index 1960b676..d7095f0f 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -181,9 +181,6 @@ ALAPI ALvoid ALAPIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
ALSource->Send[j].Slot = NULL;
}
- free(ALSource->iirFilter.coef);
- free(ALSource->iirFilter.history);
-
// Decrement Source count
Context->SourceCount--;