obs-StreamFX/source/transitions/transition-shader.hpp

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/*
* 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 "gfx/shader/gfx-shader.hpp"
#include "obs/gs/gs-rendertarget.hpp"
#include "obs/obs-source-factory.hpp"
#include "plugin.hpp"
namespace streamfx::transition::shader {
class shader_instance : public obs::source_instance {
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std::shared_ptr<streamfx::gfx::shader::shader> _fx;
public:
shader_instance(obs_data_t* data, obs_source_t* self);
virtual ~shader_instance();
virtual uint32_t get_width() override;
virtual uint32_t get_height() override;
void properties(obs_properties_t* props);
virtual void load(obs_data_t* data) override;
virtual void update(obs_data_t* data) override;
virtual void video_tick(float_t sec_since_last) override;
virtual void video_render(gs_effect_t* effect) override;
void transition_render(gs_texture_t* a, gs_texture_t* b, float_t t, uint32_t cx, uint32_t cy);
virtual bool audio_render(uint64_t* ts_out, struct obs_source_audio_mix* audio_output, uint32_t mixers,
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std::size_t channels, std::size_t sample_rate) override;
virtual void transition_start() override;
virtual void transition_stop() override;
};
class shader_factory : public obs::source_factory<streamfx::transition::shader::shader_factory,
transition::shader::shader_instance> {
public:
shader_factory();
virtual ~shader_factory();
virtual const char* get_name() override;
virtual void get_defaults2(obs_data_t* data) override;
virtual obs_properties_t* get_properties2(transition::shader::shader_instance* data) override;
#ifdef ENABLE_FRONTEND
static bool on_manual_open(obs_properties_t* props, obs_property_t* property, void* data);
#endif
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<shader_factory> get();
};
} // namespace streamfx::transition::shader