diff options
Diffstat (limited to 'config/mpv/shaders/Anime4K_Denoise_Bilateral_Mean.glsl')
| -rw-r--r-- | config/mpv/shaders/Anime4K_Denoise_Bilateral_Mean.glsl | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/config/mpv/shaders/Anime4K_Denoise_Bilateral_Mean.glsl b/config/mpv/shaders/Anime4K_Denoise_Bilateral_Mean.glsl new file mode 100644 index 0000000..0eb17cd --- /dev/null +++ b/config/mpv/shaders/Anime4K_Denoise_Bilateral_Mean.glsl @@ -0,0 +1,67 @@ +// MIT License
+
+// Copyright (c) 2019-2021 bloc97
+// All rights reserved.
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+//!DESC Anime4K-v3.2-Denoise-Bilateral-Mean
+//!HOOK MAIN
+//!BIND HOOKED
+
+#define INTENSITY_SIGMA 0.1 //Intensity window size, higher is stronger denoise, must be a positive real number
+#define SPATIAL_SIGMA 1.0 //Spatial window size, higher is stronger denoise, must be a positive real number.
+
+#define INTENSITY_POWER_CURVE 1.0 //Intensity window power curve. Setting it to 0 will make the intensity window treat all intensities equally, while increasing it will make the window narrower in darker intensities and wider in brighter intensities.
+
+#define KERNELSIZE (max(int(ceil(SPATIAL_SIGMA * 2.0)), 1) * 2 + 1) //Kernel size, must be an positive odd integer.
+#define KERNELHALFSIZE (int(KERNELSIZE/2)) //Half of the kernel size without remainder. Must be equal to trunc(KERNELSIZE/2).
+#define KERNELLEN (KERNELSIZE * KERNELSIZE) //Total area of kernel. Must be equal to KERNELSIZE * KERNELSIZE.
+
+#define GETOFFSET(i) vec2((i % KERNELSIZE) - KERNELHALFSIZE, (i / KERNELSIZE) - KERNELHALFSIZE)
+
+vec4 gaussian_vec(vec4 x, vec4 s, vec4 m) {
+ vec4 scaled = (x - m) / s;
+ return exp(-0.5 * scaled * scaled);
+}
+
+float gaussian(float x, float s, float m) {
+ float scaled = (x - m) / s;
+ return exp(-0.5 * scaled * scaled);
+}
+
+vec4 hook() {
+ vec4 sum = vec4(0.0);
+ vec4 n = vec4(0.0);
+
+ vec4 vc = HOOKED_tex(HOOKED_pos);
+
+ vec4 is = pow(vc + 0.0001, vec4(INTENSITY_POWER_CURVE)) * INTENSITY_SIGMA;
+ float ss = SPATIAL_SIGMA;
+
+ for (int i=0; i<KERNELLEN; i++) {
+ vec2 ipos = GETOFFSET(i);
+ vec4 v = HOOKED_texOff(ipos);
+ vec4 d = gaussian_vec(v, is, vc) * gaussian(length(ipos), ss, 0.0);
+ sum += d * v;
+ n += d;
+ }
+
+ return sum / n;
+}
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