Settings.h

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_SETTINGS_H
#define OPENSHOT_SETTINGS_H
 
#include <string>
 
namespace openshot {
 
    class Settings {
    private:
 
        Settings(){};                        // Don't allow user to create an instance of this singleton
 
#if __GNUC__ >=7
        Settings(Settings const&) = delete; // Don't allow the user to assign this instance
 
        Settings & operator=(Settings const&) = delete;  // Don't allow the user to assign this instance
#else
        Settings(Settings const&) {}; // Don't allow the user to assign this instance
 
        Settings & operator=(Settings const&);  // Don't allow the user to assign this instance
#endif
 
        static Settings * m_pInstance;
 
        int applied_omp_threads = 0;
 
        int default_omp_threads = 2;
 
        int default_ff_threads = 2;
 
    public:
        int HARDWARE_DECODER = 0;
 
        bool HIGH_QUALITY_SCALING = false;
 
        int OMP_THREADS = 2;
 
            int FF_THREADS = 16;
 
            int CACHE_MIN_FRAMES = 24;
 
            int DE_LIMIT_HEIGHT_MAX = 1100;
 
        int DE_LIMIT_WIDTH_MAX = 1950;
 
        int HW_DE_DEVICE_SET = 0;
 
        int HW_EN_DEVICE_SET = 0;
 
        float VIDEO_CACHE_PERCENT_AHEAD = 0.7;
 
        int VIDEO_CACHE_MIN_PREROLL_FRAMES = 30;
 
        int VIDEO_CACHE_MAX_PREROLL_FRAMES = 60;
 
        int VIDEO_CACHE_MAX_FRAMES = 30 * 10;
 
        bool ENABLE_PLAYBACK_CACHING = true;
 
        std::string PLAYBACK_AUDIO_DEVICE_NAME = "";
 
        std::string PLAYBACK_AUDIO_DEVICE_TYPE = "";
 
        int PLAYBACK_AUDIO_BUFFER_SIZE = 512;
 
        std::string PATH_OPENSHOT_INSTALL = "";
 
        bool DEBUG_TO_STDERR = false;
 
        int EffectiveOMPThreads() const;
 
        int MaxAllowedThreads() const;
 
        int DefaultOMPThreads() const { return default_omp_threads; }
 
        int DefaultFFThreads() const { return default_ff_threads; }
 
        void ApplyOpenMPSettings();
 
        static Settings * Instance();
    };
 
}
 
#endif