func alDopplerVelocity(v float32) { C.alDopplerVelocity(C.ALfloat(v)) }
func DopplerVelocity(value float32) { C.alDopplerVelocity(C.ALfloat(value)) }
// Default is 343.0 func SetDopplerVelocity(v float32) error { C.alDopplerVelocity(C.ALfloat(C.float(v))) return GetError() }