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obs-filters: Add sharpen filter
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9d82760405
commit
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@ -7,6 +7,7 @@ set(obs-filters_SOURCES
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crop-filter.c
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chroma-key-filter.c
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color-key-filter.c
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sharpness-filter.c
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mask-filter.c)
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add_library(obs-filters MODULE
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@ -4,6 +4,7 @@ AsyncDelayFilter="Video Delay (Async)"
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CropFilter="Crop"
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ChromaKeyFilter="Chroma Key"
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ColorKeyFilter="Color Key"
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SharpnessFilter="Sharpen"
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DelayMs="Delay (milliseconds)"
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Type="Type"
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MaskBlendType.MaskColor="Alpha Mask (Color Channel)"
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118
plugins/obs-filters/data/sharpness.effect
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118
plugins/obs-filters/data/sharpness.effect
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@ -0,0 +1,118 @@
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// Based on libretro shader https://github.com/libretro/common-shaders/blob/master/test/lab/misc/sharpness.cg
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// Converted to obs effect file by Nibbles
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uniform float4x4 ViewProj;
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uniform texture2d image;
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uniform float4x4 color_matrix;
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uniform float3 color_range_min = {0.0, 0.0, 0.0};
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uniform float3 color_range_max = {1.0, 1.0, 1.0};
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uniform texture2d target;
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uniform float4 color = {1.0, 1.0, 1.0, 1.0};
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uniform float sharpness;
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uniform float texture_width;
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uniform float texture_height;
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sampler_state def_sampler {
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Filter = Linear;
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AddressU = Clamp;
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AddressV = Clamp;
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};
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struct VertInOut {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct VertOut {
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float4 pos : POSITION;
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float4 col : COLOR;
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float2 uv : TEXCOORD0;
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float4 t1 : TEXCOORD1;
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float4 t2 : TEXCOORD2;
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float4 t3 : TEXCOORD3;
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};
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VertOut VSDefault(VertInOut vert_in)
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{
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VertOut vert_out;
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vert_out.pos = mul(float4(vert_in.pos.xyz, 1.0), ViewProj);
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vert_out.uv = vert_in.uv;
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vert_out.col = color;
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float2 ps = float2(1.0/texture_width, 1.0/texture_height);
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float dx = ps.x;
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float dy = ps.y;
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vert_out.t1 = vert_in.uv.xxxy + float4( -dx, 0, dx, -dy); // A B C
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vert_out.t2 = vert_in.uv.xxxy + float4( -dx, 0, dx, 0); // D E F
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vert_out.t3 = vert_in.uv.xxxy + float4( -dx, 0, dx, dy); // G H I
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return vert_out;
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}
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float4 PSDrawBare(VertOut vert_in) : TARGET
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{
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float4 E = image.Sample(def_sampler, vert_in.uv);
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float4 colorx = 8*E;
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float4 B = image.Sample(def_sampler, vert_in.t1.yw);
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float4 D = image.Sample(def_sampler, vert_in.t2.xw);
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float4 F = image.Sample(def_sampler, vert_in.t2.zw);
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float4 H = image.Sample(def_sampler, vert_in.t3.yw);
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colorx -= image.Sample(def_sampler, vert_in.t1.xw);
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colorx -= B;
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colorx -= image.Sample(def_sampler, vert_in.t1.zw);
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colorx -= D;
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colorx -= F;
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colorx -= image.Sample(def_sampler, vert_in.t3.xw);
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colorx -= H;
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colorx -= image.Sample(def_sampler, vert_in.t3.zw);
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colorx = ((E!=F && E!=D) || (E!=B && E!=H)) ? saturate(E + colorx*sharpness) : E;
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return colorx;
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}
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float4 PSDrawMatrix(VertOut vert_in) : TARGET
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{
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float4 E = image.Sample(def_sampler, vert_in.uv);
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float4 colorx = 8*E;
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float4 B = image.Sample(def_sampler, vert_in.t1.yw);
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float4 D = image.Sample(def_sampler, vert_in.t2.xw);
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float4 F = image.Sample(def_sampler, vert_in.t2.zw);
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float4 H = image.Sample(def_sampler, vert_in.t3.yw);
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colorx -= image.Sample(def_sampler, vert_in.t1.xw);
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colorx -= B;
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colorx -= image.Sample(def_sampler, vert_in.t1.zw);
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colorx -= D;
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colorx -= F;
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colorx -= image.Sample(def_sampler, vert_in.t3.xw);
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colorx -= H;
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colorx -= image.Sample(def_sampler, vert_in.t3.zw);
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colorx = ((E!=F && E!=D) || (E!=B && E!=H)) ? saturate(E + colorx*sharpness) : E;
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float4 yuv = colorx;
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yuv.xyz = clamp(yuv.xyz, color_range_min, color_range_max);
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return saturate(mul(float4(yuv.xyz, 1.0), color_matrix));
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}
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technique Draw
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{
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pass
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{
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vertex_shader = VSDefault(vert_in);
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pixel_shader = PSDrawBare(vert_in);
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}
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}
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technique DrawMatrix
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{
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pass
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{
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vertex_shader = VSDefault(vert_in);
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pixel_shader = PSDrawMatrix(vert_in);
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}
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}
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@ -8,6 +8,7 @@ extern struct obs_source_info mask_filter;
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extern struct obs_source_info crop_filter;
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extern struct obs_source_info color_filter;
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extern struct obs_source_info color_key_filter;
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extern struct obs_source_info sharpness_filter;
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extern struct obs_source_info chroma_key_filter;
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extern struct obs_source_info async_delay_filter;
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@ -17,6 +18,7 @@ bool obs_module_load(void)
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obs_register_source(&crop_filter);
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obs_register_source(&color_filter);
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obs_register_source(&color_key_filter);
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obs_register_source(&sharpness_filter);
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obs_register_source(&chroma_key_filter);
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obs_register_source(&async_delay_filter);
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return true;
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126
plugins/obs-filters/sharpness-filter.c
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126
plugins/obs-filters/sharpness-filter.c
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@ -0,0 +1,126 @@
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#include <obs-module.h>
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#include <obs-source.h>
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#include <obs.h>
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#include <util/platform.h>
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struct sharpness_data {
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obs_source_t *context;
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gs_effect_t *effect;
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gs_eparam_t *sharpness_param;
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gs_eparam_t *texture_width, *texture_height;
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float sharpness;
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float texwidth, texheight;
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};
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static const char *sharpness_getname(void)
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{
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return obs_module_text("SharpnessFilter");
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}
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static void sharpness_update(void *data, obs_data_t *settings)
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{
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struct sharpness_data *filter = data;
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double sharpness = obs_data_get_double(settings, "sharpness");
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filter->sharpness = (float)sharpness;
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}
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static void sharpness_destroy(void *data)
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{
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struct sharpness_data *filter = data;
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if (filter->effect) {
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obs_enter_graphics();
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gs_effect_destroy(filter->effect);
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obs_leave_graphics();
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}
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bfree(data);
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}
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static void *sharpness_create(obs_data_t *settings, obs_source_t *context)
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{
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struct sharpness_data *filter =
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bzalloc(sizeof(struct sharpness_data));
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char *effect_path = obs_module_file("sharpness.effect");
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filter->context = context;
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obs_enter_graphics();
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filter->effect = gs_effect_create_from_file(effect_path, NULL);
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if (filter) {
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filter->sharpness_param = gs_effect_get_param_by_name(
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filter->effect, "sharpness");
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filter->texture_width = gs_effect_get_param_by_name(
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filter->effect, "texture_width");
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filter->texture_height = gs_effect_get_param_by_name(
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filter->effect, "texture_height");
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}
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obs_leave_graphics();
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bfree(effect_path);
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if (!filter->effect) {
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sharpness_destroy(filter);
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return NULL;
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}
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sharpness_update(filter, settings);
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return filter;
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}
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static void sharpness_render(void *data, gs_effect_t *effect)
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{
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struct sharpness_data *filter = data;
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if (!filter) return;
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if (!obs_filter_get_target(filter->context)) return;
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obs_source_process_filter_begin(filter->context, GS_RGBA,
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OBS_ALLOW_DIRECT_RENDERING);
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filter->texwidth =(float)obs_source_get_width(
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obs_filter_get_target(filter->context));
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filter->texheight = (float)obs_source_get_height(
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obs_filter_get_target(filter->context));
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gs_effect_set_float(filter->sharpness_param, filter->sharpness);
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gs_effect_set_float(filter->texture_width, filter->texwidth);
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gs_effect_set_float(filter->texture_height, filter->texheight);
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obs_source_process_filter_end(filter->context, filter->effect, 0, 0);
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UNUSED_PARAMETER(effect);
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}
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static obs_properties_t *sharpness_properties(void *data)
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{
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obs_properties_t *props = obs_properties_create();
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obs_properties_add_float_slider(props, "sharpness",
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"Sharpness", 0.0f, 1.0f, 0.01f);
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UNUSED_PARAMETER(data);
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return props;
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}
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static void sharpness_defaults(obs_data_t *settings)
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{
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obs_data_set_default_double(settings, "sharpness", 0.08);
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}
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struct obs_source_info sharpness_filter = {
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.id = "sharpness_filter",
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.type = OBS_SOURCE_TYPE_FILTER,
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.output_flags = OBS_SOURCE_VIDEO,
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.get_name = sharpness_getname,
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.create = sharpness_create,
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.destroy = sharpness_destroy,
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.update = sharpness_update,
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.video_render = sharpness_render,
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.get_properties = sharpness_properties,
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.get_defaults = sharpness_defaults
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};
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