126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/*
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* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "ColorGamut.h"
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#include "HdrMetadataType.h"
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#include "TransferFunction.h"
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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struct VideoConfiguration {
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String contentType;
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uint32_t width;
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uint32_t height;
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uint64_t bitrate;
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double framerate;
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std::optional<bool> alphaChannel;
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std::optional<ColorGamut> colorGamut;
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std::optional<HdrMetadataType> hdrMetadataType;
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std::optional<TransferFunction> transferFunction;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<VideoConfiguration> decode(Decoder&);
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};
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template<class Encoder>
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void VideoConfiguration::encode(Encoder& encoder) const
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{
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encoder << contentType;
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encoder << width;
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encoder << height;
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encoder << bitrate;
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encoder << framerate;
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encoder << alphaChannel;
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encoder << colorGamut;
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encoder << hdrMetadataType;
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encoder << transferFunction;
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}
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template<class Decoder>
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std::optional<VideoConfiguration> VideoConfiguration::decode(Decoder& decoder)
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{
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std::optional<String> contentType;
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decoder >> contentType;
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if (!contentType)
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return std::nullopt;
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std::optional<uint32_t> width;
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decoder >> width;
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if (!width)
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return std::nullopt;
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std::optional<uint32_t> height;
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decoder >> height;
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if (!height)
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return std::nullopt;
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std::optional<uint64_t> bitrate;
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decoder >> bitrate;
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if (!bitrate)
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return std::nullopt;
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std::optional<double> framerate;
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decoder >> framerate;
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if (!framerate)
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return std::nullopt;
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std::optional<std::optional<bool>> alphaChannel;
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decoder >> alphaChannel;
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if (!alphaChannel)
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return std::nullopt;
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std::optional<std::optional<ColorGamut>> colorGamut;
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decoder >> colorGamut;
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if (!colorGamut)
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return std::nullopt;
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std::optional<std::optional<HdrMetadataType>> hdrMetadataType;
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decoder >> hdrMetadataType;
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if (!hdrMetadataType)
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return std::nullopt;
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std::optional<std::optional<TransferFunction>> transferFunction;
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decoder >> transferFunction;
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if (!transferFunction)
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return std::nullopt;
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return {{
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*contentType,
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*width,
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*height,
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*bitrate,
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*framerate,
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*alphaChannel,
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*colorGamut,
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*hdrMetadataType,
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*transferFunction,
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}};
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}
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} // namespace WebCore
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