mirror of
https://github.com/RGBCube/serenity
synced 2025-05-18 18:55:07 +00:00
90c0e1ad8f
Quantizers are a constant for the whole frame, except when segment features override them, in which case they are a constant per segment ID. We take advantage of this by pre-calculating those after reading the quantization parameters and segmentation features for a frame. This results in a small 1.5% improvement (~12.9s -> ~12.7s).
177 lines
3.1 KiB
C++
177 lines
3.1 KiB
C++
/*
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* Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "Symbols.h"
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#include <AK/Types.h>
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namespace Video::VP9 {
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enum class FrameType {
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KeyFrame,
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IntraOnlyFrame,
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InterFrame
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};
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enum ColorSpace : u8 {
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Unknown = 0,
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Bt601 = 1,
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Bt709 = 2,
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Smpte170 = 3,
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Smpte240 = 4,
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Bt2020 = 5,
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Reserved = 6,
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RGB = 7
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};
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enum InterpolationFilter : u8 {
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EightTap = 0,
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EightTapSmooth = 1,
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EightTapSharp = 2,
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Bilinear = 3,
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Switchable = 4
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};
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enum ReferenceFrameType : u8 {
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// None represents both INTRA_FRAME and NONE in the spec. When the primary reference
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// frame type is None, that means that the frame/block is not inter-predicted.
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None = 0,
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LastFrame = 1,
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GoldenFrame = 2,
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AltRefFrame = 3,
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};
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enum class TransformMode : u8 {
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Only_4x4 = 0,
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Allow_8x8 = 1,
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Allow_16x16 = 2,
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Allow_32x32 = 3,
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Select = 4,
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};
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enum TransformSize : u8 {
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Transform_4x4 = 0,
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Transform_8x8 = 1,
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Transform_16x16 = 2,
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Transform_32x32 = 3,
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};
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enum class TransformType : u8 {
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DCT = 0,
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ADST = 1,
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};
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struct TransformSet {
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TransformType first_transform : 1;
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TransformType second_transform : 1;
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bool operator==(TransformSet const& other) const
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{
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return first_transform == other.first_transform && second_transform == other.second_transform;
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}
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};
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enum ReferenceMode : u8 {
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SingleReference = 0,
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CompoundReference = 1,
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ReferenceModeSelect = 2,
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};
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enum class ReferenceIndex : u8 {
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Primary = 0,
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Secondary = 1,
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};
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enum BlockSubsize : u8 {
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Block_4x4 = 0,
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Block_4x8 = 1,
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Block_8x4 = 2,
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Block_8x8 = 3,
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Block_8x16 = 4,
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Block_16x8 = 5,
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Block_16x16 = 6,
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Block_16x32 = 7,
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Block_32x16 = 8,
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Block_32x32 = 9,
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Block_32x64 = 10,
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Block_64x32 = 11,
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Block_64x64 = 12,
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Block_Invalid = BLOCK_INVALID
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};
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enum Partition : u8 {
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PartitionNone = 0,
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PartitionHorizontal = 1,
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PartitionVertical = 2,
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PartitionSplit = 3,
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};
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enum class PredictionMode : u8 {
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DcPred = 0,
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VPred = 1,
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HPred = 2,
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D45Pred = 3,
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D135Pred = 4,
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D117Pred = 5,
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D153Pred = 6,
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D207Pred = 7,
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D63Pred = 8,
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TmPred = 9,
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NearestMv = 10,
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NearMv = 11,
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ZeroMv = 12,
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NewMv = 13,
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};
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enum MvJoint : u8 {
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MotionVectorAllZero = 0,
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MotionVectorNonZeroColumn = 1,
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MotionVectorNonZeroRow = 2,
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};
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enum MvClass : u8 {
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MvClass0 = 0,
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MvClass1 = 1,
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MvClass2 = 2,
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MvClass3 = 3,
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MvClass4 = 4,
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MvClass5 = 5,
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MvClass6 = 6,
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MvClass7 = 7,
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MvClass8 = 8,
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MvClass9 = 9,
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MvClass10 = 10,
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};
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enum Token : u8 {
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ZeroToken = 0,
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OneToken = 1,
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TwoToken = 2,
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ThreeToken = 3,
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FourToken = 4,
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DctValCat1 = 5,
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DctValCat2 = 6,
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DctValCat3 = 7,
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DctValCat4 = 8,
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DctValCat5 = 9,
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DctValCat6 = 10,
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};
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enum class SegmentFeature : u8 {
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// SEG_LVL_ALT_Q
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AlternativeQuantizerBase,
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// SEG_LVL_ALT_L
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AlternativeLoopFilterBase,
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// SEG_LVL_REF_FRAME
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ReferenceFrameOverride,
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// SEG_LVL_SKIP
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SkipResidualsOverride,
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// SEG_LVL_MAX
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Sentinel,
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};
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}
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