1 files changed, 104 insertions, 0 deletions
diff --git a/al/effects/fshifter.cpp b/al/effects/fshifter.cpp
new file mode 100644
index 00000000..31138fe6
--- /dev/null
+++ b/al/effects/fshifter.cpp
@@ -0,0 +1,104 @@
+
+#include "config.h"
+
+#include "AL/al.h"
+#include "AL/efx.h"
+
+#include "effects.h"
+#include "effects/base.h"
+
+
+namespace {
+
+void Fshifter_setParamf(EffectProps *props, ALenum param, float val)
+{
+    switch(param)
+    {
+    case AL_FREQUENCY_SHIFTER_FREQUENCY:
+        if(!(val >= AL_FREQUENCY_SHIFTER_MIN_FREQUENCY && val <= AL_FREQUENCY_SHIFTER_MAX_FREQUENCY))
+            throw effect_exception{AL_INVALID_VALUE, "Frequency shifter frequency out of range"};
+        props->Fshifter.Frequency = val;
+        break;
+
+    default:
+        throw effect_exception{AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x",
+            param};
+    }
+}
+void Fshifter_setParamfv(EffectProps *props, ALenum param, const float *vals)
+{ Fshifter_setParamf(props, param, vals[0]); }
+
+void Fshifter_setParami(EffectProps *props, ALenum param, int val)
+{
+    switch(param)
+    {
+    case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
+        if(!(val >= AL_FREQUENCY_SHIFTER_MIN_LEFT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_LEFT_DIRECTION))
+            throw effect_exception{AL_INVALID_VALUE,
+                "Frequency shifter left direction out of range"};
+        props->Fshifter.LeftDirection = val;
+        break;
+
+    case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
+        if(!(val >= AL_FREQUENCY_SHIFTER_MIN_RIGHT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_RIGHT_DIRECTION))
+            throw effect_exception{AL_INVALID_VALUE,
+                "Frequency shifter right direction out of range"};
+        props->Fshifter.RightDirection = val;
+        break;
+
+    default:
+        throw effect_exception{AL_INVALID_ENUM,
+            "Invalid frequency shifter integer property 0x%04x", param};
+    }
+}
+void Fshifter_setParamiv(EffectProps *props, ALenum param, const int *vals)
+{ Fshifter_setParami(props, param, vals[0]); }
+
+void Fshifter_getParami(const EffectProps *props, ALenum param, int *val)
+{
+    switch(param)
+    {
+    case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
+        *val = props->Fshifter.LeftDirection;
+        break;
+    case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
+        *val = props->Fshifter.RightDirection;
+        break;
+    default:
+        throw effect_exception{AL_INVALID_ENUM,
+            "Invalid frequency shifter integer property 0x%04x", param};
+    }
+}
+void Fshifter_getParamiv(const EffectProps *props, ALenum param, int *vals)
+{ Fshifter_getParami(props, param, vals); }
+
+void Fshifter_getParamf(const EffectProps *props, ALenum param, float *val)
+{
+    switch(param)
+    {
+    case AL_FREQUENCY_SHIFTER_FREQUENCY:
+        *val = props->Fshifter.Frequency;
+        break;
+
+    default:
+        throw effect_exception{AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x",
+            param};
+    }
+}
+void Fshifter_getParamfv(const EffectProps *props, ALenum param, float *vals)
+{ Fshifter_getParamf(props, param, vals); }
+
+EffectProps genDefaultProps() noexcept
+{
+    EffectProps props{};
+    props.Fshifter.Frequency      = AL_FREQUENCY_SHIFTER_DEFAULT_FREQUENCY;
+    props.Fshifter.LeftDirection  = AL_FREQUENCY_SHIFTER_DEFAULT_LEFT_DIRECTION;
+    props.Fshifter.RightDirection = AL_FREQUENCY_SHIFTER_DEFAULT_RIGHT_DIRECTION;
+    return props;
+}
+
+} // namespace
+
+DEFINE_ALEFFECT_VTABLE(Fshifter);
+
+const EffectProps FshifterEffectProps{genDefaultProps()};