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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <memory>

#include "audio_core/audio_manager.h"
#include "audio_core/renderer/adsp/adsp.h"
#include "audio_core/sink/sink.h"

namespace Core {
class System;
}

namespace AudioCore {

class AudioManager;
/**
 * Main audio class, sotred inside the core, and holding the audio manager, all sinks, and the ADSP.
 */
class AudioCore {
public:
    explicit AudioCore(Core::System& system);
    ~AudioCore();

    /**
     * Shutdown the audio core.
     */
    void Shutdown();

    /**
     * Get a reference to the audio manager.
     *
     * @return Ref to the audio manager.
     */
    AudioManager& GetAudioManager();

    /**
     * Get the audio output sink currently in use.
     *
     * @return Ref to the sink.
     */
    Sink::Sink& GetOutputSink();

    /**
     * Get the audio input sink currently in use.
     *
     * @return Ref to the sink.
     */
    Sink::Sink& GetInputSink();

    /**
     * Get the ADSP.
     *
     * @return Ref to the ADSP.
     */
    AudioRenderer::ADSP::ADSP& GetADSP();

    /**
     * Pause the sink. Called from the core.
     *
     * @param pausing - Is this pause due to an actual pause, or shutdown?
     *                  Unfortunately, shutdown also pauses streams, which can cause issues.
     */
    void PauseSinks(bool pausing) const;

    /**
     * Get the size of the current stream queue.
     *
     * @return Current stream queue size.
     */
    u32 GetStreamQueue() const;

    /**
     * Get the size of the current stream queue.
     *
     * @param size - New stream size.
     */
    void SetStreamQueue(u32 size);

private:
    /**
     * Create the sinks on startup.
     */
    void CreateSinks();

    /// Main audio manager for audio in/out
    std::unique_ptr<AudioManager> audio_manager;
    /// Sink used for audio renderer and audio out
    std::unique_ptr<Sink::Sink> output_sink;
    /// Sink used for audio input
    std::unique_ptr<Sink::Sink> input_sink;
    /// The ADSP in the sysmodule
    std::unique_ptr<AudioRenderer::ADSP::ADSP> adsp;
    /// Current size of the stream queue
    std::atomic<u32> estimated_queue{0};
};

} // namespace AudioCore