ladybird/Libraries/LibMedia/Audio/PlaybackStreamAudioUnit.h

39 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "PlaybackStream.h"
#include <AK/Error.h>
#include <AK/NonnullRefPtr.h>
namespace Audio {
class AudioState;
class PlaybackStreamAudioUnit final : public PlaybackStream {
public:
static ErrorOr<NonnullRefPtr<PlaybackStream>> create(OutputState initial_output_state, u32 sample_rate, u8 channels, u32 target_latency_ms, AudioDataRequestCallback&& data_request_callback);
virtual void set_underrun_callback(Function<void()>) override;
virtual NonnullRefPtr<Core::ThreadedPromise<AK::Duration>> resume() override;
virtual NonnullRefPtr<Core::ThreadedPromise<void>> drain_buffer_and_suspend() override;
virtual NonnullRefPtr<Core::ThreadedPromise<void>> discard_buffer_and_suspend() override;
virtual ErrorOr<AK::Duration> total_time_played() override;
virtual NonnullRefPtr<Core::ThreadedPromise<void>> set_volume(double) override;
private:
explicit PlaybackStreamAudioUnit(NonnullRefPtr<AudioState>);
~PlaybackStreamAudioUnit();
NonnullRefPtr<AudioState> m_state;
};
}