EFX:Pitch Shifter implementation

Add pitch shifter effect using standard phase vocoder, based on work of Stephan Bernsee. Only mono signal processing by now.

1 files changed, 8 insertions, 1 deletions

diff --git a/OpenAL32/Include/alEffect.h b/OpenAL32/Include/alEffect.h
index 95fa035e..50b64ee1 100644
--- a/OpenAL32/Include/alEffect.h
+++ b/OpenAL32/Include/alEffect.h
@@ -19,6 +19,7 @@ enum {
     EQUALIZER_EFFECT,
     FLANGER_EFFECT,
     MODULATOR_EFFECT,
+    PSHIFTER_EFFECT,
     DEDICATED_EFFECT,
 
     MAX_EFFECTS
@@ -32,7 +33,7 @@ struct EffectList {
     int type;
     ALenum val;
 };
-#define EFFECTLIST_SIZE 11
+#define EFFECTLIST_SIZE 12
 extern const struct EffectList EffectList[EFFECTLIST_SIZE];
 
 
@@ -66,6 +67,7 @@ extern const struct ALeffectVtable ALequalizer_vtable;
 extern const struct ALeffectVtable ALflanger_vtable;
 extern const struct ALeffectVtable ALmodulator_vtable;
 extern const struct ALeffectVtable ALnull_vtable;
+extern const struct ALeffectVtable ALpshifter_vtable;
 extern const struct ALeffectVtable ALdedicated_vtable;
 
 
@@ -150,6 +152,11 @@ typedef union ALeffectProps {
     } Modulator;
 
     struct {
+        ALint CoarseTune;
+        ALint FineTune;
+    } Pshifter;
+
+    struct {
         ALfloat Gain;
     } Dedicated;
 } ALeffectProps;