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, 4 insertions, 1 deletions

diff --git a/Alc/ALc.c b/Alc/ALc.c
index eee17768..8cfc7d25 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -547,10 +547,10 @@ static const struct {
     DECL(AL_EFFECT_DISTORTION),
     DECL(AL_EFFECT_ECHO),
     DECL(AL_EFFECT_FLANGER),
+    DECL(AL_EFFECT_PITCH_SHIFTER),
 #if 0
     DECL(AL_EFFECT_FREQUENCY_SHIFTER),
     DECL(AL_EFFECT_VOCAL_MORPHER),
-    DECL(AL_EFFECT_PITCH_SHIFTER),
 #endif
     DECL(AL_EFFECT_RING_MODULATOR),
 #if 0
@@ -634,6 +634,9 @@ static const struct {
     DECL(AL_RING_MODULATOR_HIGHPASS_CUTOFF),
     DECL(AL_RING_MODULATOR_WAVEFORM),
 
+    DECL(AL_PITCH_SHIFTER_COARSE_TUNE),
+    DECL(AL_PITCH_SHIFTER_FINE_TUNE),
+
     DECL(AL_COMPRESSOR_ONOFF),
 
     DECL(AL_EQUALIZER_LOW_GAIN),