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3ebaa0cd3f
This time provider can later be swapped out for the AudioMixingSink when it implements the MediaTimeProvider interface, so that frame timing can be driven by audio when it is present.
44 lines
989 B
C++
44 lines
989 B
C++
/*
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* Copyright (c) 2025, Gregory Bertilson <gregory@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "GenericTimeProvider.h"
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namespace Media {
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GenericTimeProvider::GenericTimeProvider() = default;
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GenericTimeProvider::~GenericTimeProvider() = default;
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AK::Duration GenericTimeProvider::current_time() const
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{
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auto time = m_media_time;
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if (m_monotonic_time_on_resume.has_value())
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time += MonotonicTime::now() - m_monotonic_time_on_resume.value();
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return time;
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}
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void GenericTimeProvider::resume()
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{
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m_monotonic_time_on_resume.emplace(MonotonicTime::now());
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}
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void GenericTimeProvider::pause()
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{
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if (!m_monotonic_time_on_resume.has_value())
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return;
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m_media_time = current_time();
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m_monotonic_time_on_resume = {};
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}
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void GenericTimeProvider::set_time(AK::Duration time)
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{
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if (m_monotonic_time_on_resume.has_value())
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m_monotonic_time_on_resume.emplace(MonotonicTime::now());
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m_media_time = time;
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}
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}
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