mirror of
https://github.com/LadybirdBrowser/ladybird
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27742ef26d
We should be fine to just fall back to zero or the last returned value if we encounter an error in PlaybackStream::total_time_played(), and this also simplifies the using code.
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "PlaybackStream.h"
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#include <AK/Error.h>
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#include <AK/NonnullRefPtr.h>
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namespace Audio {
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class AudioState;
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class PlaybackStreamAudioUnit final : public PlaybackStream {
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public:
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static ErrorOr<NonnullRefPtr<PlaybackStream>> create(OutputState initial_output_state, u32 sample_rate, u8 channels, u32 target_latency_ms, AudioDataRequestCallback&& data_request_callback);
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virtual void set_underrun_callback(Function<void()>) override;
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virtual NonnullRefPtr<Core::ThreadedPromise<AK::Duration>> resume() override;
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virtual NonnullRefPtr<Core::ThreadedPromise<void>> drain_buffer_and_suspend() override;
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virtual NonnullRefPtr<Core::ThreadedPromise<void>> discard_buffer_and_suspend() override;
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virtual AK::Duration total_time_played() const override;
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virtual NonnullRefPtr<Core::ThreadedPromise<void>> set_volume(double) override;
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private:
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explicit PlaybackStreamAudioUnit(NonnullRefPtr<AudioState>);
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~PlaybackStreamAudioUnit();
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NonnullRefPtr<AudioState> m_state;
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};
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}
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