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