Project Andio

src/audio_core/audio_core.h

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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