Make all kernel/kernel_radius cached

vskernels/kernels/abstract.py

@@ -189,7 +189,7 @@ def ensure_obj(
             cls, (mro := cls.mro())[mro.index(BaseScaler) - 1], scaler, cls._err_class, [], func_except
         )
 
-    @inject_self.property
+    @inject_self.cached.property
     def kernel_radius(self) -> int:
         return _default_kernel_radius(__class__, self)  # type: ignore
 

vskernels/kernels/bicubic.py

@@ -41,7 +41,7 @@ def __init__(self, b: float = 0, c: float = 1 / 2, **kwargs: Any) -> None:
         self.c = c
         super().__init__(**kwargs)
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         x, b, c = abs(x), self.b, self.c
 
@@ -53,7 +53,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 
         return 0.0
 
-    @inject_self.property
+    @inject_self.cached.property
     def kernel_radius(self) -> int:  # type: ignore
         if (self.b, self.c) == (0, 0):
             return 1

vskernels/kernels/complex.py

@@ -284,7 +284,7 @@ def __init__(self, taps: float, **kwargs: Any) -> None:
         self.taps = taps
         super().__init__(**kwargs)
 
-    @inject_self.property
+    @inject_self.cached.property
     def kernel_radius(self) -> int:  # type: ignore
         return ceil(self.taps)
 

vskernels/kernels/custom.py

@@ -15,7 +15,7 @@
 
 
 class CustomKernel(Kernel):
-    @inject_self
+    @inject_self.cached
     def kernel(self: CustomKernelT, *, x: float) -> float:
         raise NotImplementedError
 

vskernels/kernels/placebo.py

@@ -87,7 +87,7 @@ def get_params_args(
             antiring=self.antiring,
         ) | kwargs
 
-    @inject_self.property
+    @inject_self.cached.property
     def kernel_radius(self) -> int:  # type: ignore
         from .bicubic import Bicubic
 

vskernels/kernels/spline.py

@@ -72,7 +72,7 @@ def _shiftPolynomial(coeffs: list[float], shift: float) -> list[float]:
 
         return coeffs
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, x: float) -> float:  # type: ignore
         x, taps = abs(x), self.kernel_radius
 

vskernels/kernels/various.py

@@ -52,7 +52,7 @@ class Point(CustomComplexKernel):
 
     _static_kernel_radius = 1
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         return 1.0
 
@@ -62,7 +62,7 @@ class Bilinear(CustomComplexKernel):
 
     _static_kernel_radius = 1
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         return max(1.0 - abs(x), 0.0)
 
@@ -77,7 +77,7 @@ class Lanczos(CustomComplexTapsKernel):
     def __init__(self, taps: int = 3, **kwargs: Any) -> None:
         super().__init__(taps, **kwargs)
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         x, taps = abs(x), self.kernel_radius
 
@@ -98,7 +98,7 @@ def __init__(self, sigma: float = 0.5, taps: int = 2, **kwargs: Any) -> None:
     def sigma(self) -> gauss_sigma:
         return gauss_sigma(self._sigma)
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         return 1 / (self._sigma * sqrt(2 * pi)) * exp(-x ** 2 / (2 * self._sigma ** 2))
 
@@ -108,7 +108,7 @@ class Box(CustomComplexKernel):
 
     _static_kernel_radius = 1
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         return 1.0 if x >= -0.5 and x < 0.5 else 0.0
 
@@ -124,7 +124,7 @@ def _win_coef(self, x: float) -> float:
 
         return 0.42 + 0.50 * cos(w_x) + 0.08 * cos(w_x * 2)
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0
@@ -147,7 +147,7 @@ class Sinc(CustomComplexTapsKernel):
     def __init__(self, taps: int = 4, **kwargs: Any) -> None:
         super().__init__(taps, **kwargs)
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0
@@ -158,7 +158,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 class Hann(CustomComplexTapsKernel):
     """Hann kernel."""
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0
@@ -169,7 +169,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 class Hamming(CustomComplexTapsKernel):
     """Hamming kernel."""
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0
@@ -180,7 +180,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 class Welch(CustomComplexTapsKernel):
     """Welch kernel."""
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if abs(x) >= 1.0:
             return 0.0
@@ -191,7 +191,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 class Cosine(CustomComplexTapsKernel):
     """Cosine kernel."""
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0
@@ -204,7 +204,7 @@ def kernel(self, *, x: float) -> float:  # type: ignore
 class Bohman(CustomComplexTapsKernel):
     """Bohman kernel."""
 
-    @inject_self
+    @inject_self.cached
     def kernel(self, *, x: float) -> float:  # type: ignore
         if x >= self.kernel_radius:
             return 0.0