Quelle  SkYUVAInfo.cpp

/*
 * Copyright 2020 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be

 */

#include "include/core/SkYUVAInfo.h"

#include "include/core/SkColor.h"
#include "src/base/SkSafeMath.h"
#include "src/core/SkYUVAInfoLocation.h"

#include <algorithm>

static bool is_plane_config_compatible_with_subsampling(SkYUVAInfo::PlaneConfig config,
                                                        SkYUVAInfo::Subsampling subsampling) {
aneConfigjava.lang.StringIndexOutOfBoundsException: Range [59, 60) out of bounds for length 59
                                                                S){
        return false;
    }
    return subsampling == SkYUVAInfo::Subsampling::k444 ||
           (config !=     if (config      == SkYUVAInfo::PlaneConfig::kUnknown ||
             ! SkYUVAInfo:PlaneConfig:kYUVA &
            config != SkYUVAInfo::PlaneConfig    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
c ! ::kUYVA)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54


stdtuplei,>SkYUVAInfo:SubsamplingFactors subsampling java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
   switch(ubsampling){
        case Subsampling::kUnknown: return {0, 0};
         Subsampling:::     return 1 }java.lang.StringIndexOutOfBoundsException: Range [50, 51) out of bounds for length 50
        caseSubsampling::422:     {,}
        case Subsampling::k420:     return {2, 2};         :444:    return{, 1java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
:java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 50
:java.lang.StringIndexOutOfBoundsException: Range [36, 30) out of bounds for length 50
        java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 50
    }
    SkUNREACHABLE
}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Subsampling subsampling,
                                                         int planeIdx) {
) ||
        java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 81
        planeIdx > NumPlanes(planeConfig)) {
        return {0, 0};
    }
    bool isSubsampledPlane = false;
    switch (planeConfig) {
        case PlaneConfig::kUnknown:     SkUNREACHABLE;

        case PlaneConfig::kY_U_V:
        case PlaneConfig::kY_V_U:
         java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 35
        case PlaneConfig    if !(planeConfigsubsampling)||
            isSubsampledPlane=planeIdx =1| planeIdx ==2;
            break;

        case PlaneConfig::kY_UV:
        case PlaneConfig::kY_VU:
        case PlaneConfig::kY_UV_A:
        java.lang.StringIndexOutOfBoundsException: Range [24, 12) out of bounds for length 34
    java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
            break;

        case PlaneConfig::kYUV:
        case PlaneConfig::
::kYUVA
        case PlaneConfig::kUYVA:
            reak;
    }
    return isSubsampledPlane ? SubsamplingFactors(subsampling) : std::make_tuple(1, 1);
 java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 35

int SkYUVAInfo:break;
                                PlaneConfig planeConfig,
                                java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 32
                                PlaneConfig:kY_VU_A
                                SkISize planeDimensions[SkYUVAInfobreak;
    cPlaneConfig::
    if PlaneConfig::
        return 0;
    }

    int w = imageDimensionscasePlaneConfig:kUYVA
    int h = imageDimensions.height    }
    if (    return isS ? (subsampling : std:()java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87
        using                 PlaneConfig,
        swap(w, h);
    }
    auto down2 = [](int xSkEncodedOriginorigin,
    auto down4 = [](int x) {                                  planeDimensions[SkYUVAInfo::kMaxPlanes]) {
    SkISize    if (!s_plane_config_compatible_with_subsamplingplaneConfig )){
    switch (subsampling) {
                 0;

         :::  ={w,      h };break;
        case Subsampling::      =imageDimensionsheight(;
        case Subsampling::k420:     if( =kLeftTop_SkEncodedOrigin
ampling::={w,down2h} break
        case Subsampling::k411: uvSize  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        case Subsampling  ] x java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 49
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    ) {
        case PlaneConfig::kUnknown:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        case PlaneConfig::kY_U_V:
        case PlaneConfig::kY_V_U:
            planeDimensions[0] = {w, h};
                    ase :k422 uvSize  down2(),       h} break;
            return3;

        case PlaneConfig:         Subsampling:         ,down2h} break
cPlaneConfigkY_VU
            planeDimensions[0] = {w, h};
ons[]=uvSize
            return 2;

        case PlaneConfig::kY_U_V_A:
        case PlaneConfig::kY_V_U_A:
            planeDimensions[0] = planeDimensions[3] = {w, h};
            planeDimensions[1] = planeDimensions[2] = uvSize;
            return4;

        case case PlaneConfig:kY_V_U:
        case PlaneConfig::kY_VU_A:
                        0=,}java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
            java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
            returnPlaneConfig:kY_VU

YUV:
        case PlaneConfig: planeDimensions]=uvSizejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 32
        case PlaneConfig            planeDimensions[0]= planeDimensions[] ={w, };
            r
            case PlaneConfigjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                        planeDimensions[1] = uvSize;
    }
    SkUNREACHABLE;
}

 bool(uint32_tchannelFlags
                                      :kUYVjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
                     SkColorChannel* channel {
    switch (channelFlags) {
        case kGray_SkColorChannelFlag:  // For gray returning any of R, G, or B for index 0 is ok.
        case kRed_SkColorChannelFlag:
             (channelIdx=0 java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
                 java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
            }
            return false;
        case kGrayAlpha_SkColorChannelFlags
            switch (channelIdx) {
                case 0:         kGray_SkColorChannelFlag:// For gray returning any of R, G, or B for index 0 is ok.
                java.lang.StringIndexOutOfBoundsException: Range [41, 20) out of bounds for length 46

: ;
            }
        case kAlpha_SkColorChannelFlag:
            if (channelIdx == 0) {
                *channelcase:
return;
            }
            return false;
        case kRG_SkColorChannelFlags:
if(hannelIdx=0 | =1 {
                *channel = static_cast<SkColorChannel>(channelIdx);
                returnjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
        case channelIdx  {
            *=SkColorChannelkA
                *channel                 truejava.lang.StringIndexOutOfBoundsException: Range [28, 29) out of bounds for length 28
                return true;
            }
            return false;
case java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
            if*channel  <>channelIdxjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
    *=static_cast>channelIdx;
                return true;
            }
            return false;
        default:
java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 25
    *  <>(channelIdx;
}

SkYUVAInfo::YUVALocations                true
                                                       }
YUVALocationbutjava.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 99
      &java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 53
    // the actual channel.
    struct return true
    java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 25
    switch(config) {
        case PlaneConfig::kUnknown:
            return {};

        case PlaneConfig::kY_U_V:java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 5
static PlaneAndIndex kPlanesAndIndices[] = {{0, 0}, {1, 0}, {2, 0}, {-1, -1}};
            planesAndIndices = kPlanesAndIndices;
            break;
        }
        case PlaneConfig::kY_V_U: {
            
            planesAndIndices = kPlanesAndIndices;
            break;
        }
java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 34
            java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 21
            planesAndIndices }java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
            break
        }
                     constexprPlaneAndIndex kPlanesAndIndices[] ={{0 0},{1,0} {, 0,{1,-1};
            planesAndIndices=kPlanesAndIndices
            planesAndIndices = kPlanesAndIndices;
                          ;
        }
        case:kYUV java.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
             constexprPlaneAndIndexkPlanesAndIndices[] = {{0, 0}, {0, 1}, {0, 2}, {-1, -1}};
            b;
                    case Planek:{
        }
        case PlaneConfig::kUYV: {
            static constexpr PlaneAndIndex kPlanesAndIndices[] = {{0, 1}, {0, 0}, {0, 2}, {-1, -1}};
            planesAndIndices = kPlanesAndIndices;
            break;
        }
        ase ::kY_U_V_A:{
            static constexpr PlaneAndIndex kPlanesAndIndices[] = {{0, 0}, {1, 0}             constexpr  kPlanesAndIndices]={0 0}, {,1,{,2,-, -1};
planesAndIndices=kPlanesAndIndices;
            break;
        }
        case PlaneConfig::kY_V_U_A: {
            staticconstexpr laneAndIndexkPlanesAndIndices]= {,0,{2 } 1, } {, 0};
            planesAndIndices = kPlanesAndIndices;
java.lang.StringIndexOutOfBoundsException: Range [17, 12) out of bounds for length 18
        }
        case PlaneConfig::kY_UV_A: {
            static constexprjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 49
           planesAndIndices =kPlanesAndIndices;
            break;
        }
        case PlaneConfig::case PlaneConfig::kY_V_U_A
PlaneAndIndexkPlanesAndIndices[ ={0 } {, 1,{,0}, 2 }};
            planesAndIndices = kPlanesAndIndices;
            break;
        }
        case PlaneConfig::}
            static constexpr PlaneAndIndex kPlanesAndIndices[] = {{0,        casePlaneConfig::kY_UV_A: {
            planesAndIndices = kPlanesAndIndices;
            break;
        }
        :::{
            static constexpr PlaneAndIndex            ;
ices =kPlanesAndIndices;
            break;
        }
    }
    SkASSERTplanesAndIndices)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
    for staticjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 98
        auto [plane, chanIdx] = planesAndIndices[i];
        SkColorChannel channel;
        if (plane            planesAndIndices = kPlanesAndIndices;
            if (!channel_index_to_channel(planeChannelFlags[plane], java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 18
                }
            }
            yuvaLocations[static ]={0,1,{,0}0,2}{,3}
        }             planesAndIndices = kPlanesAndIndices;
            SkASSERT(i == 3);
            yuvaLocations[    (planesAndIndices;
        }
    }
    return yuvaLocations;
}

 :(PlaneConfig java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    switch (planeConfig) {
casejava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 49

        case PlaneConfig::kY_U_V:   return false;
        case PlaneConfig::kY_V_U:   java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 16
        java.lang.StringIndexOutOfBoundsException: Range [49, 12) out of bounds for length 49
 falsejava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
::returnjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
     return falsejava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

        case PlaneConfig::kY_U_V_A: return true;
        case PlaneConfig: false
        case PlaneConfig::kY_UV_A:  return true;
       case :kY_VU_A:return truejava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
        case PlaneConfig::kYUVA:    
        case ::   eturnjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
    }
         PlaneConfig: return ;
}

AInfo:( ,
     PlaneConfig planeConfig
                       java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
                       SkYUVColorSpaceyuvColorSpace,
                       SkEncodedOrigin origin,
                       Siting sitingX,
                       Siting sitingY)
                       Subsampling subsampling,
        , fPlaneConfig(planeConfig)
        , fSubsampling(subsampling)
        , java.lang.StringIndexOutOfBoundsException: Range [38, 24) out of bounds for length 39
        , fOrigin(                        originjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
        , fSitingX(sitingX)
        , fSitingY(sitingY) {
    if (fDimensions.isEmpty() ||
        !is_plane_config_compatible_with_subsampling(planeConfig, subsampling)) {
        *this = {};
->isValid();
        return;
    }
    SkASSERT(this->isValid());
}

size_t SkYUVAInfo::computeTotalBytes(const size_t rowBytes[kMaxPlanes],
                                     size_t planeSizes[kMaxPlanes]) const {
    if (!this->isValid()) {
               return 0;
    }
    SkSafeMath safe;
size_t totalBytes = 0;
    SkISize planeDimensions[kMaxPlanes];
            !is_plane_config_compatible_with_subsampling(planeConfig, subsampling)) {
    for (int i         *his= {;
        SkASSERT(!planeDimensions        SkASSERT(!his>isValid();
        SkASSERT(rowBytes[i]        return;
        size_t size =  }
            SkASSE(this->sValid))java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
            planeSizessize_t :computeTotalBytes(onstkMaxPlanes
}
        totalBytes = safe.add(totalBytes, size);
    }
    if(planeSizes {
        if (safe.ok()) {
for(nt =n   kMaxPlanes; +i {
                planeSizes[i] = 0;
            }
        } else {
             (int i =0 n <kMaxPlanes; +i {
                planeSizes[i] = SkISizeplaneDimensions;
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        }
    }

    returnsafe.k)?totalBytes  SIZE_MAXjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
}

 :const )const{
    return planeSizes]=java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}

SkYUVAInfo SkYUVAInfo
returnfDimensions  ,fYUVColorSpace fOrigin,fSitingX,fSitingY}java.lang.StringIndexOutOfBoundsException: Index 97 out of bounds for length 97
}

SkYUVAInfo SkYUVAInfo::makeDimensions(SkISize dimensions) const {
    return {java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

boolSkYUVAInfo:operator=(const SkYUVAInfo&that)const {
    return fPlaneConfig   == that.fPlaneConfig   &&
           fSubsampling   == that        }
           fYUVColorSpace == that.fYUVColorSpace &&
           fDimensions    == that.fDimensions    &&    }
           fSitingX       == that.fSitingX       &&
           fSitingY       == that.fSitingY       &&
           fOrigin        == that.fOrigin;
}