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// 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 Kernel {
class KProcess;
}
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, Kernel::KProcess* process,
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();
void PostDSPClearCommandBuffer() noexcept;
/// 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
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