84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
/*
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* Copyright (C) 2007-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(VIDEO)
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namespace WebCore {
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struct VideoPlaybackQualityMetrics {
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uint32_t totalVideoFrames { 0 };
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uint32_t droppedVideoFrames { 0 };
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uint32_t corruptedVideoFrames { 0 };
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double totalFrameDelay { 0 };
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uint32_t displayCompositedVideoFrames { 0 };
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template<class Encoder>
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void encode(Encoder& encoder) const
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{
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encoder << totalVideoFrames;
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encoder << droppedVideoFrames;
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encoder << corruptedVideoFrames;
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encoder << totalFrameDelay;
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encoder << displayCompositedVideoFrames;
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}
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template <class Decoder>
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static std::optional<VideoPlaybackQualityMetrics> decode(Decoder& decoder)
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{
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std::optional<uint32_t> totalVideoFrames;
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decoder >> totalVideoFrames;
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if (!totalVideoFrames)
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return std::nullopt;
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std::optional<uint32_t> droppedVideoFrames;
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decoder >> droppedVideoFrames;
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if (!droppedVideoFrames)
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return std::nullopt;
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std::optional<uint32_t> corruptedVideoFrames;
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decoder >> corruptedVideoFrames;
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if (!corruptedVideoFrames)
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return std::nullopt;
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std::optional<double> totalFrameDelay;
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decoder >> totalFrameDelay;
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if (!totalFrameDelay)
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return std::nullopt;
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std::optional<uint32_t> displayCompositedVideoFrames;
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decoder >> displayCompositedVideoFrames;
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if (!displayCompositedVideoFrames)
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return std::nullopt;
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return {{ *totalVideoFrames, *droppedVideoFrames, *corruptedVideoFrames, *totalFrameDelay, *displayCompositedVideoFrames }};
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}
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};
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} // namespace WebCore
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#endif // ENABLE(VIDEO)
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