81 lines
2.2 KiB
C++
81 lines
2.2 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 <string_view>
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#include "audio_core/audio_render_manager.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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namespace Sink {
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class Sink;
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}
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namespace AudioRenderer {
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/**
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* An interface to an output audio device available to the Switch.
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*/
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class AudioDevice {
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public:
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struct AudioDeviceName {
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std::array<char, 0x100> name{};
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constexpr AudioDeviceName(std::string_view name_) {
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name_.copy(name.data(), name.size() - 1);
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}
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};
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explicit AudioDevice(Core::System& system, u64 applet_resource_user_id, u32 revision);
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/**
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* Get a list of the available output devices.
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*
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* @param out_buffer - Output buffer to write the available device names.
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* @param max_count - Maximum number of devices to write (count of out_buffer).
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* @return Number of device names written.
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*/
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u32 ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count) const;
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/**
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* Get a list of the available output devices.
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* Different to above somehow...
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*
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* @param out_buffer - Output buffer to write the available device names.
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* @param max_count - Maximum number of devices to write (count of out_buffer).
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* @return Number of device names written.
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*/
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u32 ListAudioOutputDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count) const;
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/**
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* Set the volume of all streams in the backend sink.
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*
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* @param volume - Volume to set.
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*/
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void SetDeviceVolumes(f32 volume);
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/**
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* Get the volume for a given device name.
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* Note: This is not fully implemented, we only assume 1 device for all streams.
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*
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* @param name - Name of the device to check. Unused.
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* @return Volume of the device.
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*/
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f32 GetDeviceVolume(std::string_view name) const;
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private:
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/// Backend output sink for the device
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Sink::Sink& output_sink;
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/// Resource id this device is used for
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const u64 applet_resource_user_id;
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/// User audio renderer revision
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const u32 user_revision;
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};
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} // namespace AudioRenderer
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} // namespace AudioCore
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