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/*
* Copyright (C) 2020-2021 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
#include <wtf/text/StringView.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
namespace VPConfigurationLevel {
constexpr uint8_t Level_1 = 10;
constexpr uint8_t Level_1_1 = 11;
constexpr uint8_t Level_2 = 20;
constexpr uint8_t Level_2_1 = 21;
constexpr uint8_t Level_3 = 30;
constexpr uint8_t Level_3_1 = 31;
constexpr uint8_t Level_4 = 40;
constexpr uint8_t Level_4_1 = 41;
constexpr uint8_t Level_5 = 50;
constexpr uint8_t Level_5_1 = 51;
constexpr uint8_t Level_5_2 = 52;
constexpr uint8_t Level_6 = 60;
constexpr uint8_t Level_6_1 = 61;
constexpr uint8_t Level_6_2 = 62;
}
namespace VPConfigurationChromaSubsampling {
constexpr uint8_t Subsampling_420_Vertical = 0;
constexpr uint8_t Subsampling_420_Colocated = 1;
constexpr uint8_t Subsampling_422 = 2;
constexpr uint8_t Subsampling_444 = 3;
}
namespace VPConfigurationRange {
constexpr uint8_t VideoRange = 0;
constexpr uint8_t FullRange = 1;
}
// Ref: ISO/IEC 23091-2:2019
namespace VPConfigurationColorPrimaries {
constexpr uint8_t BT_709_6 = 1;
constexpr uint8_t Unspecified = 2;
constexpr uint8_t BT_470_6_M = 4;
constexpr uint8_t BT_470_7_BG = 5;
constexpr uint8_t BT_601_7 = 6;
constexpr uint8_t SMPTE_ST_240 = 7;
constexpr uint8_t Film = 8;
constexpr uint8_t BT_2020_Nonconstant_Luminance = 9;
constexpr uint8_t SMPTE_ST_428_1 = 10;
constexpr uint8_t SMPTE_RP_431_2 = 11;
constexpr uint8_t SMPTE_EG_432_1 = 12;
constexpr uint8_t EBU_Tech_3213_E = 22;
}
// Ref: ISO/IEC 23091-2:2019
namespace VPConfigurationTransferCharacteristics {
constexpr uint8_t BT_709_6 = 1;
constexpr uint8_t Unspecified = 2;
constexpr uint8_t BT_470_6_M = 4;
constexpr uint8_t BT_470_7_BG = 5;
constexpr uint8_t BT_601_7 = 6;
constexpr uint8_t SMPTE_ST_240 = 7;
constexpr uint8_t Linear = 8;
constexpr uint8_t Logrithmic = 9;
constexpr uint8_t Logrithmic_Sqrt = 10;
constexpr uint8_t IEC_61966_2_4 = 11;
constexpr uint8_t BT_1361_0 = 12;
constexpr uint8_t IEC_61966_2_1 = 13;
constexpr uint8_t BT_2020_10bit = 14;
constexpr uint8_t BT_2020_12bit = 15;
constexpr uint8_t SMPTE_ST_2084 = 16;
constexpr uint8_t SMPTE_ST_428_1 = 17;
constexpr uint8_t BT_2100_HLG = 18;
}
namespace VPConfigurationMatrixCoefficients {
constexpr uint8_t Identity = 0;
constexpr uint8_t BT_709_6 = 1;
constexpr uint8_t Unspecified = 2;
constexpr uint8_t FCC = 4;
constexpr uint8_t BT_470_7_BG = 5;
constexpr uint8_t BT_601_7 = 6;
constexpr uint8_t SMPTE_ST_240 = 7;
constexpr uint8_t YCgCo = 8;
constexpr uint8_t BT_2020_Nonconstant_Luminance = 9;
constexpr uint8_t BT_2020_Constant_Luminance = 10;
constexpr uint8_t SMPTE_ST_2085 = 11;
constexpr uint8_t Chromacity_Constant_Luminance = 12;
constexpr uint8_t Chromacity_Nonconstant_Luminance = 13;
constexpr uint8_t BT_2100_ICC = 14;
}
struct VPCodecConfigurationRecord {
String codecName;
uint8_t profile { 0 };
uint8_t level { VPConfigurationLevel::Level_1 };
uint8_t bitDepth { 8 };
uint8_t chromaSubsampling { VPConfigurationChromaSubsampling::Subsampling_420_Colocated };
uint8_t videoFullRangeFlag { VPConfigurationRange::VideoRange };
uint8_t colorPrimaries { VPConfigurationColorPrimaries::BT_709_6 };
uint8_t transferCharacteristics { VPConfigurationTransferCharacteristics::BT_709_6 };
uint8_t matrixCoefficients { VPConfigurationMatrixCoefficients::BT_709_6 };
};
WEBCORE_EXPORT std::optional<VPCodecConfigurationRecord> parseVPCodecParameters(StringView codecString);
struct ScreenDataOverrides {
double width { 0 };
double height { 0 };
double scale { 1 };
template<class Encoder>
void encode(Encoder& encoder) const
{
encoder << width;
encoder << height;
encoder << scale;
}
template <class Decoder>
static std::optional<ScreenDataOverrides> decode(Decoder& decoder)
{
#define DECODE(name, type) \
std::optional<type> name; \
decoder >> name; \
if (!name) \
return std::nullopt; \
DECODE(width, double);
DECODE(height, double);
DECODE(scale, double);
#undef DECODE
return {{ WTFMove(*width), WTFMove(*height), WTFMove(*scale) }};
}
};
inline bool operator==(const ScreenDataOverrides& a, const ScreenDataOverrides& b)
{
return a.width == b.width && a.height == b.height && a.scale == b.scale;
}
inline bool operator!=(const ScreenDataOverrides& a, const ScreenDataOverrides& b)
{
return !(a == b);
}
}