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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <thread>
#include "audio_core/adsp/apps/opus/shared_memory.h"
#include "audio_core/adsp/mailbox.h"
#include "common/common_types.h"
namespace Core {
class System;
} // namespace Core
namespace AudioCore::ADSP::OpusDecoder {
enum Message : u32 {
Invalid = 0,
Start = 1,
Shutdown = 2,
StartOK = 11,
ShutdownOK = 12,
GetWorkBufferSize = 21,
InitializeDecodeObject = 22,
ShutdownDecodeObject = 23,
DecodeInterleaved = 24,
MapMemory = 25,
UnmapMemory = 26,
GetWorkBufferSizeForMultiStream = 27,
InitializeMultiStreamDecodeObject = 28,
ShutdownMultiStreamDecodeObject = 29,
DecodeInterleavedForMultiStream = 30,
GetWorkBufferSizeOK = 41,
InitializeDecodeObjectOK = 42,
ShutdownDecodeObjectOK = 43,
DecodeInterleavedOK = 44,
MapMemoryOK = 45,
UnmapMemoryOK = 46,
GetWorkBufferSizeForMultiStreamOK = 47,
InitializeMultiStreamDecodeObjectOK = 48,
ShutdownMultiStreamDecodeObjectOK = 49,
DecodeInterleavedForMultiStreamOK = 50,
};
/**
* The AudioRenderer application running on the ADSP.
*/
class OpusDecoder {
public:
explicit OpusDecoder(Core::System& system);
~OpusDecoder();
bool IsRunning() const noexcept {
return running;
}
void Send(Direction dir, u32 message);
u32 Receive(Direction dir, std::stop_token stop_token = {});
void SetSharedMemory(SharedMemory& shared_memory_) {
shared_memory = &shared_memory_;
}
private:
/**
* Initializing thread, launched at audio_core boot to avoid blocking the main emu boot thread.
*/
void Init(std::stop_token stop_token);
/**
* Main OpusDecoder thread, responsible for processing the incoming Opus packets.
*/
void Main(std::stop_token stop_token);
/// Core system
Core::System& system;
/// Mailbox to communicate messages with the host, drives the main thread
Mailbox mailbox;
/// Init thread
std::jthread init_thread{};
/// Main thread
std::jthread main_thread{};
/// The current state
bool running{};
/// Structure shared with the host, input data set by the host before sending a mailbox message,
/// and the responses are written back by the OpusDecoder.
SharedMemory* shared_memory{};
};
} // namespace AudioCore::ADSP::OpusDecoder
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