////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2024 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/AudioDevice.hpp>
#include <SFML/Audio/AudioResource.hpp>

#include <memory>
#include <mutex>


namespace sf
{
////////////////////////////////////////////////////////////
AudioResource::AudioResource() :
m_device(
    []
    {
        // Ensure we only ever create a single instance of an
        // AudioDevice that is shared between all AudioResources
        static std::mutex                       mutex;
        static std::weak_ptr<priv::AudioDevice> weakAudioDevice;

        const std::lock_guard lock(mutex);

        auto audioDevice = weakAudioDevice.lock();

        if (audioDevice == nullptr)
        {
            audioDevice     = std::make_shared<priv::AudioDevice>();
            weakAudioDevice = audioDevice;
        }

        return audioDevice;
    }())
{
}

} // namespace sf
