Settings.cpp

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#include <cstdlib>        // For std::getenv
 
#include "Settings.h"
 
using namespace openshot;
 
// Global reference to Settings
Settings *Settings::m_pInstance = nullptr;
 
// Create or Get an instance of the settings singleton
Settings *Settings::Instance()
{
    if (!m_pInstance) {
        // Create the actual instance of Settings only once
        m_pInstance = new Settings;
        m_pInstance->HARDWARE_DECODER = 0;
        m_pInstance->HIGH_QUALITY_SCALING = false;
        m_pInstance->OMP_THREADS = 12;
        m_pInstance->FF_THREADS = 8;
        m_pInstance->DE_LIMIT_HEIGHT_MAX = 1100;
        m_pInstance->DE_LIMIT_WIDTH_MAX = 1950;
        m_pInstance->HW_DE_DEVICE_SET = 0;
        m_pInstance->HW_EN_DEVICE_SET = 0;
        m_pInstance->VIDEO_CACHE_PERCENT_AHEAD = 0.7;
        m_pInstance->VIDEO_CACHE_MIN_PREROLL_FRAMES = 24;
        m_pInstance->VIDEO_CACHE_MAX_PREROLL_FRAMES = 48;
        m_pInstance->VIDEO_CACHE_MAX_FRAMES = 30 * 10;
        m_pInstance->ENABLE_PLAYBACK_CACHING = true;
        m_pInstance->PLAYBACK_AUDIO_DEVICE_NAME = "";
        m_pInstance->PLAYBACK_AUDIO_DEVICE_TYPE = "";
        m_pInstance->DEBUG_TO_STDERR = false;
        auto env_debug = std::getenv("LIBOPENSHOT_DEBUG");
        if (env_debug != nullptr)
            m_pInstance->DEBUG_TO_STDERR = true;
    }
 
    return m_pInstance;
}