90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
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// 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 <mutex>
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#include "audio_core/renderer/audio_device.h"
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namespace Core {
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class System;
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}
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namespace AudioCore::AudioOut {
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class Out;
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constexpr size_t MaxOutSessions = 12;
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/**
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* Manages all audio out sessions.
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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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/**
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* Acquire a free session id for opening a new audio out.
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*
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* @param session_id - Output session_id.
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* @return Result code.
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*/
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Result AcquireSessionId(size_t& session_id);
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/**
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* Release a session id on close.
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*
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* @param session_id - Session id to free.
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*/
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void ReleaseSessionId(size_t session_id);
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/**
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* Link this manager to the main audio manager.
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*
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* @return Result code.
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*/
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Result LinkToManager();
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/**
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* Start the audio out manager.
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*/
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void Start();
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/**
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* Callback function, called by the audio manager when the audio out event is signalled.
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*/
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void BufferReleaseAndRegister();
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/**
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* Get a list of audio out device names.
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*
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* @oaram names - Output container to write names to.
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* @return Number of names written.
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*/
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u32 GetAudioOutDeviceNames(
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std::vector<AudioRenderer::AudioDevice::AudioDeviceName>& names) const;
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/// Core system
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Core::System& system;
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/// Array of session ids
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std::array<size_t, MaxOutSessions> session_ids{};
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/// Array of resource user ids
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std::array<size_t, MaxOutSessions> applet_resource_user_ids{};
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/// Pointer to each open session
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std::array<std::shared_ptr<Out>, MaxOutSessions> sessions{};
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/// The number of free sessions
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size_t num_free_sessions{};
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/// The next session id to be taken
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size_t next_session_id{};
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/// The next session id to be freed
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size_t free_session_id{};
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/// Whether this is linked to the audio manager
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bool linked_to_manager{};
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/// Whether the sessions have been started
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bool sessions_started{};
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/// Protect state due to audio manager callback
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std::recursive_mutex mutex{};
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};
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} // namespace AudioCore::AudioOut
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