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https://github.com/Xaymar/obs-StreamFX
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filter-blur: Refactor and formatting
* Now using a Factory and Instance approach to simplify and beautify the code at the same time. * Additionally we now keep track of created filters and only load data if there is a filter active, and unload data if there are no more filters. This reduces memory and GPU overhead when no filter is active, but adds a first time filter creation overhead. * Variables and functions now use snake_case.
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2 changed files with 622 additions and 543 deletions
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@ -18,101 +18,127 @@
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*/
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#pragma once
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#include "plugin.h"
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#include "gs-helper.h"
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#include "gs-effect.h"
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#include "gs-texture.h"
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#include <memory>
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#include <list>
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#include <map>
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#include <memory>
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#include "gs-effect.h"
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#include "gs-helper.h"
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#include "gs-texture.h"
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#include "plugin.h"
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namespace filter {
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class Blur {
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public:
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Blur();
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~Blur();
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void generate_gaussian_kernels();
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void generate_kernel_textures();
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public:
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enum Type : int64_t {
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namespace blur {
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enum type : int64_t {
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Box,
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Gaussian,
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Bilateral,
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};
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std::shared_ptr<gs::texture> m_gaussianKernelTexture;
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std::map<std::string, std::shared_ptr<gs::effect>> m_effects;
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class instance {
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obs_source_t* m_source;
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gs_texrender_t* primary_rendertarget;
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gs_texrender_t* secondary_rendertarget;
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gs_texrender_t* horizontal_rendertarget;
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gs_texrender_t* vertical_rendertarget;
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private:
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obs_source_info m_sourceInfo;
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// blur
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std::shared_ptr<gs::effect> blur_effect;
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filter::blur::type type;
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uint64_t size;
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static const size_t max_kernel_size = 25;
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public /*static*/:
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static const char *get_name(void *);
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static void get_defaults(obs_data_t *);
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static obs_properties_t *get_properties(void *);
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static bool modified_properties(obs_properties_t *, obs_property_t *, obs_data_t *);
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static void *create(obs_data_t *, obs_source_t *);
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static void destroy(void *);
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static uint32_t get_width(void *);
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static uint32_t get_height(void *);
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static void update(void *, obs_data_t *);
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static void activate(void *);
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static void deactivate(void *);
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static void video_tick(void *, float);
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static void video_render(void *, gs_effect_t *);
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private:
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class Instance {
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public:
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Instance(obs_data_t*, obs_source_t*);
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~Instance();
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void update(obs_data_t*);
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uint32_t get_width();
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uint32_t get_height();
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void activate();
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void deactivate();
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void show();
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void hide();
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void video_tick(float);
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void video_render(gs_effect_t*);
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bool apply_shared_param(gs_texture_t* input,
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float texelX, float texelY);
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bool apply_bilateral_param();
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bool apply_gaussian_param();
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private:
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obs_source_t *m_source;
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gs_texrender_t *m_primaryRT, *m_secondaryRT;
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gs_texrender_t *m_rtHorizontal, *m_rtVertical;
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std::shared_ptr<gs::effect> m_effect;
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// Blur
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Type m_type;
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uint64_t m_size;
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// Bilateral
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double_t m_bilateralSmoothing;
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double_t m_bilateralSharpness;
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// bilateral
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double_t bilateral_smoothing;
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double_t bilateral_sharpness;
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// Regional
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struct Region {
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bool enabled;
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bool enabled;
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float_t left;
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float_t top;
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float_t right;
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float_t bottom;
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float_t feather;
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float_t feather_shift;
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bool invert;
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} m_region;
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bool invert;
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} region;
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// Advanced
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bool m_errorLogged = false;
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uint64_t m_colorFormat;
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// advanced
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bool have_logged_error = false;
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uint64_t color_format;
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bool apply_shared_param(gs_texture_t* input, float texelX, float texelY);
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bool apply_bilateral_param();
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bool apply_gaussian_param();
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static bool modified_properties(void* ptr, obs_properties_t* props, obs_property* prop,
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obs_data_t* settings);
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public:
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instance(obs_data_t* settings, obs_source_t* parent);
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~instance();
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obs_properties_t* get_properties();
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void update(obs_data_t*);
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uint32_t get_width();
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uint32_t get_height();
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void activate();
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void deactivate();
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void video_tick(float);
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void video_render(gs_effect_t*);
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};
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};
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}
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class factory {
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obs_source_info source_info;
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std::list<instance*> sources;
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std::shared_ptr<gs::effect> color_converter_effect;
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std::map<filter::blur::type, std::shared_ptr<gs::effect>> effects;
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std::map<filter::blur::type, std::shared_ptr<gs::texture>> kernels;
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private:
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factory();
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~factory();
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void on_list_fill();
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void on_list_empty();
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void generate_gaussian_kernels();
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void generate_kernel_textures();
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protected:
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static void* create(obs_data_t* settings, obs_source_t* parent);
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static void destroy(void* source);
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static void get_defaults(obs_data_t* settings);
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static obs_properties_t* get_properties(void* source);
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static void update(void* source, obs_data_t* settings);
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static const char* get_name(void* source);
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static uint32_t get_width(void* source);
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static uint32_t get_height(void* source);
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static void activate(void* source);
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static void deactivate(void* source);
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static void video_tick(void* source, float delta);
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static void video_render(void* source, gs_effect_t* effect);
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public:
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std::shared_ptr<gs::effect> get_effect(filter::blur::type type);
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std::shared_ptr<gs::effect> get_color_converter_effect();
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std::shared_ptr<gs::texture> get_kernel(filter::blur::type type);
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public: // Singleton
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static void initialize();
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static void finalize();
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static factory* get();
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};
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} // namespace blur
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} // namespace filter
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