Add a ALfilterState method to process multiple samples at once

2 files changed, 7 insertions, 0 deletions

diff --git a/OpenAL32/Include/alFilter.h b/OpenAL32/Include/alFilter.h
index 0b3ab844..62b5fda8 100644
--- a/OpenAL32/Include/alFilter.h
+++ b/OpenAL32/Include/alFilter.h
@@ -36,7 +36,10 @@ typedef struct ALfilterState {
     ALfloat y[2]; /* History of two last output samples */
     ALfloat a[3]; /* Transfer function coefficients "a" */
     ALfloat b[3]; /* Transfer function coefficients "b" */
+
+    void (*process)(struct ALfilterState *self, ALfloat *restrict dst, const ALfloat *src, ALuint numsamples);
 } ALfilterState;
+#define ALfilterState_process(a, ...) ((a)->process((a), __VA_ARGS__))
 
 void ALfilterState_clear(ALfilterState *filter);
 void ALfilterState_setParams(ALfilterState *filter, ALfilterType type, ALfloat gain, ALfloat freq_mult, ALfloat bandwidth);
@@ -58,6 +61,8 @@ inline ALfloat ALfilterState_processSingle(ALfilterState *filter, ALfloat sample
     return outsmp;
 }
 
+void ALfilterState_processC(ALfilterState *filter, ALfloat *restrict dst, const ALfloat *src, ALuint numsamples);
+
 
 typedef struct ALfilter {
     // Filter type (AL_FILTER_NULL, ...)
diff --git a/OpenAL32/alFilter.c b/OpenAL32/alFilter.c
index ad204bfc..acfae8a6 100644
--- a/OpenAL32/alFilter.c
+++ b/OpenAL32/alFilter.c
@@ -412,6 +412,8 @@ void ALfilterState_setParams(ALfilterState *filter, ALfilterType type, ALfloat g
     filter->a[2] /= filter->a[0];
     filter->a[1] /= filter->a[0];
     filter->a[0] /= filter->a[0];
+
+    filter->process = ALfilterState_processC;
 }