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/*
* Copyright (C) 2021 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. AND ITS CONTRIBUTORS ``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 ITS 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)
#include <optional>
namespace WebCore {
struct VideoFrameMetadata {
double presentationTime { 0 };
double expectedDisplayTime { 0 };
unsigned width { 0 };
unsigned height { 0 };
double mediaTime { 0 };
unsigned presentedFrames { 0 };
std::optional<double> processingDuration;
std::optional<double> captureTime;
std::optional<double> receiveTime;
std::optional<unsigned> rtpTimestamp;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<VideoFrameMetadata> decode(Decoder&);
};
template<class Encoder>
inline void VideoFrameMetadata::encode(Encoder& encoder) const
{
encoder << presentationTime << expectedDisplayTime << width << height << mediaTime << presentedFrames << processingDuration << captureTime << receiveTime << rtpTimestamp;
}
template<class Decoder>
inline std::optional<VideoFrameMetadata> VideoFrameMetadata::decode(Decoder& decoder)
{
std::optional<double> presentationTime;
decoder >> presentationTime;
if (!presentationTime)
return std::nullopt;
std::optional<double> expectedDisplayTime;
decoder >> expectedDisplayTime;
if (!expectedDisplayTime)
return std::nullopt;
std::optional<unsigned> width;
decoder >> width;
if (!width)
return std::nullopt;
std::optional<unsigned> height;
decoder >> height;
if (!height)
return std::nullopt;
std::optional<double> mediaTime;
decoder >> mediaTime;
if (!mediaTime)
return std::nullopt;
std::optional<unsigned> presentedFrames;
decoder >> presentedFrames;
if (!presentedFrames)
return std::nullopt;
std::optional<std::optional<double>> processingDuration;
decoder >> processingDuration;
if (!processingDuration)
return std::nullopt;
std::optional<std::optional<double>> captureTime;
decoder >> captureTime;
if (!captureTime)
return std::nullopt;
std::optional<std::optional<double>> receiveTime;
decoder >> receiveTime;
if (!receiveTime)
return std::nullopt;
std::optional<std::optional<unsigned>> rtpTimestamp;
decoder >> rtpTimestamp;
if (!rtpTimestamp)
return std::nullopt;
return VideoFrameMetadata { *presentationTime, *expectedDisplayTime, *width, *height, *mediaTime, *presentedFrames, *processingDuration, *captureTime, *receiveTime, *rtpTimestamp };
}
}
#endif // ENABLE(VIDEO)