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