146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Modern effects for a modern Streamer
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|  * Copyright (C) 2017 Michael Fabian Dirks
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
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|  */
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| 
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| #include "transition-shader.hpp"
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| #include "strings.hpp"
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| #include <stdexcept>
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| #include "utility.hpp"
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| 
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| #define ST "Transition.Shader"
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| 
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| transition::shader::shader_instance::shader_instance(obs_data_t* data, obs_source_t* self)
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| 	: obs::source_instance(data, self), _is_main(false)
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| {
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| 	_fx = std::make_shared<gfx::shader::shader>(self, gfx::shader::shader_mode::Transition);
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| 
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| 	update(data);
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| }
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| 
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| transition::shader::shader_instance::~shader_instance() {}
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| 
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| std::uint32_t transition::shader::shader_instance::get_width()
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| {
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| 	return _fx->width();
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| }
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| 
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| std::uint32_t transition::shader::shader_instance::get_height()
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| {
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| 	return _fx->height();
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| }
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| 
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| void transition::shader::shader_instance::properties(obs_properties_t* props)
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| {
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| 	_fx->properties(props);
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| }
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| 
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| void transition::shader::shader_instance::load(obs_data_t* data)
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| {
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| 	update(data);
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| }
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| 
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| void transition::shader::shader_instance::update(obs_data_t* data)
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| {
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| 	_fx->update(data);
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| }
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| 
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| void transition::shader::shader_instance::video_tick(float_t sec_since_last)
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| {
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| 	if (_fx->tick(sec_since_last)) {
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| 		obs_data_t* data = obs_source_get_settings(_self);
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| 		_fx->update(data);
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| 		obs_data_release(data);
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| 	}
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| 
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| 	// Update Size from global base resolution.
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| 	obs_video_info ovi;
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| 	obs_get_video_info(&ovi);
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| 	_fx->set_size(ovi.base_width, ovi.base_height);
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| }
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| 
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| void transition::shader::shader_instance::video_render(gs_effect_t* effect)
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| {
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| 	if (!_fx) {
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| 		return;
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| 	}
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| 
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| 	_fx->prepare_render();
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| 	obs_transition_video_render(
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| 		_self, [](void* data, gs_texture_t* a, gs_texture_t* b, float t, std::uint32_t cx, std::uint32_t cy) {
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| 			reinterpret_cast<shader_instance*>(data)->transition_render(a, b, t, cx, cy);
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| 		});
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| }
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| 
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| void transition::shader::shader_instance::transition_render(gs_texture_t* a, gs_texture_t* b, float_t t,
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| 															std::uint32_t cx, std::uint32_t cy)
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| {
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| 	_fx->set_input_a(std::make_shared<::gs::texture>(a, false));
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| 	_fx->set_input_b(std::make_shared<::gs::texture>(b, false));
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| 	_fx->set_transition_time(t);
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| 	_fx->set_transition_size(cx, cy);
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| 	_fx->render();
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| }
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| 
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| bool transition::shader::shader_instance::audio_render(uint64_t* ts_out, obs_source_audio_mix* audio_output,
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| 													   std::uint32_t mixers, std::size_t channels,
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| 													   std::size_t sample_rate)
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| {
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| 	return obs_transition_audio_render(
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| 		_self, ts_out, audio_output, mixers, channels, sample_rate, [](void*, float_t t) { return 1.0f - t; },
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| 		[](void*, float_t t) { return t; });
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| }
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| 
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| void transition::shader::shader_instance::transition_start() {}
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| 
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| void transition::shader::shader_instance::transition_stop() {}
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| 
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| std::shared_ptr<transition::shader::shader_factory> transition::shader::shader_factory::factory_instance = nullptr;
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| 
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| transition::shader::shader_factory::shader_factory()
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| {
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| 	_info.id           = "obs-stream-effects-transition-shader";
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| 	_info.type         = OBS_SOURCE_TYPE_TRANSITION;
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| 	_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
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| 
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| 	finish_setup();
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| }
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| 
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| transition::shader::shader_factory::~shader_factory() {}
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| 
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| const char* transition::shader::shader_factory::get_name()
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| {
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| 	return D_TRANSLATE(ST);
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| }
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| 
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| void transition::shader::shader_factory::get_defaults2(obs_data_t* data)
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| {
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| 	gfx::shader::shader::defaults(data);
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| }
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| 
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| obs_properties_t* transition::shader::shader_factory::get_properties2(shader::shader_instance* data)
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| {
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| 	auto pr = obs_properties_create();
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| 	obs_properties_set_param(pr, data, nullptr);
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| 
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| 	if (data) {
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| 		reinterpret_cast<shader_instance*>(data)->properties(pr);
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| 	}
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| 
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| 	return pr;
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| }
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