obs-StreamFX/source/filters/filter-dynamic-mask.hpp
2020-11-29 17:17:28 +01:00

113 lines
3.8 KiB
C++

/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include "common.hpp"
#include <list>
#include <map>
#include "gfx/gfx-source-texture.hpp"
#include "obs/gs/gs-effect.hpp"
#include "obs/obs-source-factory.hpp"
#include "obs/obs-source-tracker.hpp"
#include "obs/obs-source.hpp"
#include "obs/obs-tools.hpp"
namespace streamfx::filter::dynamic_mask {
enum class channel : int8_t { Invalid = -1, Red, Green, Blue, Alpha };
class dynamic_mask_instance : public obs::source_instance {
std::map<std::tuple<channel, channel, std::string>, std::string> _translation_map;
gs::effect _effect;
bool _have_filter_texture;
std::shared_ptr<gs::rendertarget> _filter_rt;
std::shared_ptr<gs::texture> _filter_texture;
bool _have_input_texture;
std::shared_ptr<obs::deprecated_source> _input;
std::shared_ptr<gfx::source_texture> _input_capture;
std::shared_ptr<gs::texture> _input_texture;
std::shared_ptr<obs::tools::visible_source> _input_vs;
std::shared_ptr<obs::tools::active_source> _input_ac;
bool _have_final_texture;
std::shared_ptr<gs::rendertarget> _final_rt;
std::shared_ptr<gs::texture> _final_texture;
struct channel_data {
float_t value = 0.0;
float_t scale = 1.0;
vec4 values = {0, 0, 0, 0};
};
std::map<channel, channel_data> _channels;
struct _precalc {
vec4 base;
vec4 scale;
matrix4 matrix;
} _precalc;
public:
dynamic_mask_instance(obs_data_t* data, obs_source_t* self);
virtual ~dynamic_mask_instance();
virtual void load(obs_data_t* settings) override;
virtual void migrate(obs_data_t* data, uint64_t version) override;
virtual void update(obs_data_t* settings) override;
virtual void save(obs_data_t* settings) override;
void input_renamed(obs::deprecated_source* src, std::string old_name, std::string new_name);
virtual void video_tick(float_t _time) override;
virtual void video_render(gs_effect_t* effect) override;
void enum_active_sources(obs_source_enum_proc_t enum_callback, void* param) override;
void enum_all_sources(obs_source_enum_proc_t enum_callback, void* param) override;
void show() override;
void hide() override;
void activate() override;
void deactivate() override;
};
class dynamic_mask_factory : public obs::source_factory<filter::dynamic_mask::dynamic_mask_factory,
filter::dynamic_mask::dynamic_mask_instance> {
std::list<std::string> _translation_cache;
public:
dynamic_mask_factory();
virtual ~dynamic_mask_factory() override;
virtual const char* get_name() override;
virtual void get_defaults2(obs_data_t* data) override;
virtual obs_properties_t* get_properties2(filter::dynamic_mask::dynamic_mask_instance* data) override;
std::string translate_string(const char* format, ...);
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<dynamic_mask_factory> get();
};
} // namespace streamfx::filter::dynamic_mask