roz/avidemux_shaders
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v2.0, better quality, less perspective deformation #1

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roz merged 27 commits from v2.0 into main 2025-10-09 04:46:20 +02:00
Conversation 0 Commits 27 Files Changed 11 +894 -511
10 changed files with 894 additions and 511 deletions
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gopro_8:7/unfish_gopro_8:7.glsl
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@ -99,15 +99,15 @@ vec3 decode_pixel(const in vec3 pixel) {
return vec3(l, color.yz); return vec3(l, color.yz);
} }
vec3 encode_pixel(const in vec3 color) { vec3 encode_color(const in vec3 color) {
float y = (color.x < 0.018) ? (color.x * 4.5) : (pow(color.x, 0.45) * 1.099 - 0.099); float y = (color.x < 0.018) ? (color.x * 4.5) : (pow(color.x, 0.45) * 1.099 - 0.099);
return (vec3(y, color.yz) + yuv_center) * yuv_range + yuv_min; return (vec3(y, color.yz) + yuv_center) * yuv_range + yuv_min;
} }
#else #else
#define decode_pixel(_color) _color #define decode_pixel(_pixel) _pixel
#define encode_pixel(_color) _color #define encode_color(_color) _color
#endif // non_linear_decoding #endif // non_linear_decoding
@ -121,5 +121,5 @@ void main() {
color += decode_pixel(sample_texture(coord + offset)); color += decode_pixel(sample_texture(coord + offset));
} }
} }
gl_FragColor = vec4(encode_pixel(color * subsampling_scale), 1.0); gl_FragColor = vec4(encode_color(color * subsampling_scale), 1.0);
} }