95 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Modern effects for a modern Streamer
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|  * Copyright (C) 2020 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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| #pragma once
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| #include "common.hpp"
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| #include "util/util-event.hpp"
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| 
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| namespace obs {
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| 	template<typename T>
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| 	class signal_handler_base {
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| 		protected:
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| 		std::string _signal;
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| 
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| 		public:
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| 		util::event<T, calldata*> event;
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| 	};
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| 
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| 	template<typename T>
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| 	class signal_handler : public signal_handler_base<T> {
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| 		public:
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| 		signal_handler(std::string signal, T keepalive) {}
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| 		virtual ~signal_handler() {}
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| 	};
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| 
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| 	template<>
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| 	class signal_handler<std::shared_ptr<obs_source_t>> : public signal_handler_base<std::shared_ptr<obs_source_t>> {
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| 		std::shared_ptr<obs_source_t> _keepalive;
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| 
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| 		static void handle_signal(void* ptr, calldata* cd) noexcept
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| 		try {
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| 			auto p = reinterpret_cast<signal_handler<std::shared_ptr<obs_source_t>>*>(ptr);
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| 			p->event(p->_keepalive, cd);
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| 		} catch (...) {
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| 		}
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| 
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| 		public:
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| 		signal_handler(std::string signal, std::shared_ptr<obs_source_t> keepalive) : _keepalive(keepalive)
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| 		{
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| 			_signal              = signal;
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| 			signal_handler_t* sh = obs_source_get_signal_handler(_keepalive.get());
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| 			signal_handler_connect(sh, _signal.c_str(), handle_signal, this);
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| 		}
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| 		virtual ~signal_handler()
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| 		{
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| 			event.clear();
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| 			signal_handler_t* sh = obs_source_get_signal_handler(_keepalive.get());
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| 			signal_handler_disconnect(sh, _signal.c_str(), handle_signal, this);
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| 		}
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| 	};
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| 
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| 	typedef signal_handler<std::shared_ptr<obs_source_t>> source_signal_handler;
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| 
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| 	// Audio Capture is also here, as it could be considered a signal.
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| 	class audio_signal_handler {
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| 		std::shared_ptr<obs_source_t> _keepalive;
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| 
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| 		static void handle_audio(void* ptr, obs_source_t*, const struct audio_data* audio_data, bool muted) noexcept
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| 		try {
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| 			auto p = reinterpret_cast<audio_signal_handler*>(ptr);
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| 			p->event(p->_keepalive, audio_data, muted);
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| 		} catch (...) {
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| 		}
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| 
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| 		public:
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| 		audio_signal_handler(std::shared_ptr<obs_source_t> keepalive) : _keepalive(keepalive), event()
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| 		{
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| 			obs_source_add_audio_capture_callback(_keepalive.get(), handle_audio, this);
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| 		}
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| 		virtual ~audio_signal_handler()
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| 		{
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| 			event.clear();
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| 			obs_source_remove_audio_capture_callback(_keepalive.get(), handle_audio, this);
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| 		}
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| 
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| 		util::event<std::shared_ptr<obs_source_t>, const struct audio_data*, bool> event;
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| 	};
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| 
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| } // namespace obs
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