obs-StreamFX/source/obs-source-tracker.hpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017-2018 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 <functional>
#include <map>
#include <memory>
// OBS
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4201)
#endif
#include <obs.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
namespace obs {
class source_tracker {
friend class std::_Ref_count_obj<obs::source_tracker>;
std::map<std::string, obs_weak_source_t*> source_map;
static void source_create_handler(void* ptr, calldata_t* data);
static void source_destroy_handler(void* ptr, calldata_t* data);
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<obs::source_tracker> get();
private:
source_tracker();
~source_tracker();
public:
// Callback function for enumerating sources.
//
// @param std::string Name of the Source
// @param obs_source_t* Source
// @return true to abort enumeration, false to keep going.
typedef std::function<bool(std::string, obs_source_t*)> enumerate_cb_t;
// Filter function for enumerating sources.
//
// @param std::string Name of the Source
// @param obs_source_t* Source
// @return true to skip, false to pass along.
typedef std::function<bool(std::string, obs_source_t*)> filter_cb_t;
//! Enumerate all tracked sources
//
// @param enumerate_cb The function called for each tracked source.
// @param filter_cb Filter function to narrow down results.
void enumerate(enumerate_cb_t enumerate_cb, filter_cb_t filter_cb = nullptr);
public:
static bool filter_sources(std::string name, obs_source_t* source);
static bool filter_audio_sources(std::string name, obs_source_t* source);
static bool filter_video_sources(std::string name, obs_source_t* source);
static bool filter_transitions(std::string name, obs_source_t* source);
static bool filter_scenes(std::string name, obs_source_t* source);
};
} // namespace obs