1 files changed, 109 insertions, 0 deletions
diff --git a/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h
new file mode 100644
index 000000000..85874d88a
--- /dev/null
+++ b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h
@@ -0,0 +1,109 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <thread>
+
+#include "audio_core/adsp/apps/audio_renderer/command_buffer.h"
+#include "audio_core/adsp/apps/audio_renderer/command_list_processor.h"
+#include "audio_core/adsp/mailbox.h"
+#include "common/common_types.h"
+#include "common/polyfill_thread.h"
+#include "common/reader_writer_queue.h"
+#include "common/thread.h"
+
+namespace Core {
+class System;
+} // namespace Core
+
+namespace AudioCore {
+namespace Sink {
+class Sink;
+}
+
+namespace ADSP::AudioRenderer {
+
+enum Message : u32 {
+    Invalid = 0,
+    MapUnmap_Map = 1,
+    MapUnmap_MapResponse = 2,
+    MapUnmap_Unmap = 3,
+    MapUnmap_UnmapResponse = 4,
+    MapUnmap_InvalidateCache = 5,
+    MapUnmap_InvalidateCacheResponse = 6,
+    MapUnmap_Shutdown = 7,
+    MapUnmap_ShutdownResponse = 8,
+    InitializeOK = 22,
+    RenderResponse = 32,
+    Render = 42,
+    Shutdown = 52,
+};
+
+/**
+ * The AudioRenderer application running on the ADSP.
+ */
+class AudioRenderer {
+public:
+    explicit AudioRenderer(Core::System& system, Sink::Sink& sink);
+    ~AudioRenderer();
+
+    /**
+     * Start the AudioRenderer.
+     *
+     * @param mailbox The mailbox to use for this session.
+     */
+    void Start();
+
+    /**
+     * Stop the AudioRenderer.
+     */
+    void Stop();
+
+    void Signal();
+    void Wait();
+
+    void Send(Direction dir, u32 message);
+    u32 Receive(Direction dir);
+
+    void SetCommandBuffer(s32 session_id, CpuAddr buffer, u64 size, u64 time_limit,
+                          u64 applet_resource_user_id, bool reset) noexcept;
+    u32 GetRemainCommandCount(s32 session_id) const noexcept;
+    void ClearRemainCommandCount(s32 session_id) noexcept;
+    u64 GetRenderingStartTick(s32 session_id) const noexcept;
+
+private:
+    /**
+     * Main AudioRenderer thread, responsible for processing the command lists.
+     */
+    void Main(std::stop_token stop_token);
+
+    /**
+     * Creates the streams which will receive the processed samples.
+     */
+    void CreateSinkStreams();
+
+    /// Core system
+    Core::System& system;
+    /// The output sink the AudioRenderer will send samples to
+    Sink::Sink& sink;
+    /// The active mailbox
+    Mailbox mailbox;
+    /// Main thread
+    std::jthread main_thread{};
+    /// The current state
+    std::atomic<bool> running{};
+    /// Shared memory of input command buffers, set by host, read by DSP
+    std::array<CommandBuffer, MaxRendererSessions> command_buffers{};
+    /// The command lists to process
+    std::array<CommandListProcessor, MaxRendererSessions> command_list_processors{};
+    /// The streams which will receive the processed samples
+    std::array<Sink::SinkStream*, MaxRendererSessions> streams{};
+    /// CPU Tick when the DSP was signalled to process, uses time rather than tick
+    u64 signalled_tick{0};
+};
+
+} // namespace ADSP::AudioRenderer
+} // namespace AudioCore