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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <mutex>
#include "audio_core/common/common.h"
#include "audio_core/renderer/system_manager.h"
#include "core/hle/service/audio/errors.h"
namespace Core {
class System;
}
namespace AudioCore {
struct AudioRendererParameterInternal;
namespace AudioRenderer {
/**
* Wrapper for the audio system manager, handles service calls.
*/
class Manager {
public:
explicit Manager(Core::System& system);
~Manager();
/**
* Stop the manager.
*/
void Stop();
/**
* Get the system manager.
*
* @return The system manager.
*/
SystemManager& GetSystemManager();
/**
* Get required size for the audio renderer workbuffer.
*
* @param params - Input parameters with the numbers of voices/mixes/sinks etc.
* @param out_count - Output size of the required workbuffer.
* @return Result code.
*/
Result GetWorkBufferSize(const AudioRendererParameterInternal& params, u64& out_count) const;
/**
* Get a new session id.
*
* @return The new session id. -1 if invalid, otherwise 0-MaxRendererSessions.
*/
s32 GetSessionId();
/**
* Get the number of currently active sessions.
*
* @return The number of active sessions.
*/
u32 GetSessionCount() const;
/**
* Add a renderer system to the manager.
* The system will be regularly called to generate commands for the AudioRenderer.
*
* @param system - The system to add.
* @return True if the system was successfully added, otherwise false.
*/
bool AddSystem(System& system);
/**
* Remove a renderer system from the manager.
*
* @param system - The system to remove.
* @return True if the system was successfully removed, otherwise false.
*/
bool RemoveSystem(System& system);
/**
* Free a session id when the system wants to shut down.
*
* @param session_id - The session id to free.
*/
void ReleaseSessionId(s32 session_id);
private:
/// Core system
Core::System& system;
/// Session ids, -1 when in use
std::array<s32, MaxRendererSessions> session_ids{};
/// Number of active renderers
u32 session_count{};
/// Lock for interacting with the sessions
mutable std::mutex session_lock{};
/// Regularly generates commands from the registered systems for the AudioRenderer
std::unique_ptr<SystemManager> system_manager{};
};
} // namespace AudioRenderer
} // namespace AudioCore
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