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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <span>
#include "audio_core/audio_render_manager.h"
namespace Core {
class System;
}
namespace AudioCore {
namespace Sink {
class Sink;
}
namespace AudioRenderer {
/**
* An interface to an output audio device available to the Switch.
*/
class AudioDevice {
public:
struct AudioDeviceName {
std::array<char, 0x100> name;
AudioDeviceName(const char* name_) {
std::strncpy(name.data(), name_, name.size());
}
};
std::array<AudioDeviceName, 4> usb_device_names{"AudioStereoJackOutput",
"AudioBuiltInSpeakerOutput", "AudioTvOutput",
"AudioUsbDeviceOutput"};
std::array<AudioDeviceName, 3> device_names{"AudioStereoJackOutput",
"AudioBuiltInSpeakerOutput", "AudioTvOutput"};
std::array<AudioDeviceName, 3> output_device_names{"AudioBuiltInSpeakerOutput", "AudioTvOutput",
"AudioExternalOutput"};
explicit AudioDevice(Core::System& system, u64 applet_resource_user_id, u32 revision);
/**
* Get a list of the available output devices.
*
* @param out_buffer - Output buffer to write the available device names.
* @param max_count - Maximum number of devices to write (count of out_buffer).
* @return Number of device names written.
*/
u32 ListAudioDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count);
/**
* Get a list of the available output devices.
* Different to above somehow...
*
* @param out_buffer - Output buffer to write the available device names.
* @param max_count - Maximum number of devices to write (count of out_buffer).
* @return Number of device names written.
*/
u32 ListAudioOutputDeviceName(std::vector<AudioDeviceName>& out_buffer, size_t max_count);
/**
* Set the volume of all streams in the backend sink.
*
* @param volume - Volume to set.
*/
void SetDeviceVolumes(f32 volume);
/**
* Get the volume for a given device name.
* Note: This is not fully implemented, we only assume 1 device for all streams.
*
* @param name - Name of the device to check. Unused.
* @return Volume of the device.
*/
f32 GetDeviceVolume(std::string_view name) const;
private:
/// Backend output sink for the device
Sink::Sink& output_sink;
/// Resource id this device is used for
const u64 applet_resource_user_id;
/// User audio renderer revision
const u32 user_revision;
};
} // namespace AudioRenderer
} // namespace AudioCore
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