ladybird/Libraries/LibMedia/Audio/AudioDevices.h
2026-04-21 16:40:46 -05:00

48 lines
1 KiB
C++

/*
* Copyright (c) 2026, The Ladybird developers
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteString.h>
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/Vector.h>
#include <LibMedia/Export.h>
namespace Media {
struct AudioDeviceInfo {
ByteString dom_device_id;
ByteString label;
ByteString group_id;
u32 sample_rate_hz { 0 };
u32 channel_count { 0 };
bool is_default { false };
};
class MEDIA_API AudioDevices {
public:
static AudioDevices& the();
void refresh();
Vector<AudioDeviceInfo> input_devices() const;
Vector<AudioDeviceInfo> output_devices() const;
using ListenerId = u64;
ListenerId add_devices_changed_listener(Function<void()>);
void remove_devices_changed_listener(ListenerId);
private:
void notify_listeners();
Vector<AudioDeviceInfo> m_cached_input_devices;
Vector<AudioDeviceInfo> m_cached_output_devices;
ListenerId m_next_listener_id { 1 };
HashMap<ListenerId, Function<void()>> m_listeners;
};
}