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jvet
VVCSoftware_VTM
Commits
5b3c71f6
Commit
5b3c71f6
authored
Apr 02, 2019
by
Kai Zhang
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Commit N0271
parent
d19f3cef
Changes
2
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2 changed files
with
83 additions
and
0 deletions
+83
-0
source/Lib/CommonLib/IntraPrediction.cpp
source/Lib/CommonLib/IntraPrediction.cpp
+81
-0
source/Lib/CommonLib/TypeDef.h
source/Lib/CommonLib/TypeDef.h
+2
-0
No files found.
source/Lib/CommonLib/IntraPrediction.cpp
View file @
5b3c71f6
...
...
@@ -1778,28 +1778,108 @@ void IntraPrediction::xGetLMParameters(const PredictionUnit &pu, const Component
Pel
*
src
=
srcColor0
-
srcStride
;
Pel
*
cur
=
curChroma0
-
curStride
;
#if !JVET_N0271_SIMPLFIED_CCLM
int
minDim
=
1
;
#endif
int
actualTopTemplateSampNum
=
0
;
int
actualLeftTemplateSampNum
=
0
;
if
(
curChromaMode
==
MDLM_T_IDX
)
{
leftAvailable
=
0
;
#if JVET_N0271_SIMPLFIED_CCLM
avaiAboveRightUnits
=
avaiAboveRightUnits
>
(
cHeight
/
unitWidth
)
?
cHeight
/
unitWidth
:
avaiAboveRightUnits
;
#endif
actualTopTemplateSampNum
=
unitWidth
*
(
avaiAboveUnits
+
avaiAboveRightUnits
);
#if !JVET_N0271_SIMPLFIED_CCLM
minDim
=
actualTopTemplateSampNum
;
#endif
}
else
if
(
curChromaMode
==
MDLM_L_IDX
)
{
aboveAvailable
=
0
;
#if JVET_N0271_SIMPLFIED_CCLM
avaiLeftBelowUnits
=
avaiLeftBelowUnits
>
(
cWidth
/
unitHeight
)
?
cWidth
/
unitHeight
:
avaiLeftBelowUnits
;
#endif
actualLeftTemplateSampNum
=
unitHeight
*
(
avaiLeftUnits
+
avaiLeftBelowUnits
);
#if !JVET_N0271_SIMPLFIED_CCLM
minDim
=
actualLeftTemplateSampNum
;
#endif
}
else
if
(
curChromaMode
==
LM_CHROMA_IDX
)
{
actualTopTemplateSampNum
=
cWidth
;
actualLeftTemplateSampNum
=
cHeight
;
#if !JVET_N0271_SIMPLFIED_CCLM
minDim
=
leftAvailable
&&
aboveAvailable
?
1
<<
g_aucPrevLog2
[
std
::
min
(
actualLeftTemplateSampNum
,
actualTopTemplateSampNum
)]
:
1
<<
g_aucPrevLog2
[
leftAvailable
?
actualLeftTemplateSampNum
:
actualTopTemplateSampNum
];
#endif
}
#if JVET_N0271_SIMPLFIED_CCLM
int
startPos
[
2
];
//0:Above, 1: Left
int
pickStep
[
2
];
int
aboveIs4
=
leftAvailable
?
0
:
1
;
int
leftIs4
=
aboveAvailable
?
0
:
1
;
startPos
[
0
]
=
actualTopTemplateSampNum
>>
(
2
+
aboveIs4
);
pickStep
[
0
]
=
std
::
max
(
1
,
actualTopTemplateSampNum
>>
(
1
+
aboveIs4
));
startPos
[
1
]
=
actualLeftTemplateSampNum
>>
(
2
+
leftIs4
);
pickStep
[
1
]
=
std
::
max
(
1
,
actualLeftTemplateSampNum
>>
(
1
+
leftIs4
));
Pel
selectLumaPix
[
4
];
Pel
selectChromaPix
[
4
];
int
cntT
,
cntL
;
cntT
=
cntL
=
0
;
int
cnt
=
0
;
if
(
aboveAvailable
)
{
cntT
=
std
::
min
(
actualTopTemplateSampNum
,
(
1
+
aboveIs4
)
<<
1
);
src
=
srcColor0
-
srcStride
;
cur
=
curChroma0
-
curStride
;
for
(
int
pos
=
startPos
[
0
];
cnt
<
cntT
;
pos
+=
pickStep
[
0
],
cnt
++
)
{
selectLumaPix
[
cnt
]
=
src
[
pos
];
selectChromaPix
[
cnt
]
=
cur
[
pos
];
}
}
if
(
leftAvailable
)
{
cntL
=
std
::
min
(
actualLeftTemplateSampNum
,
(
1
+
leftIs4
)
<<
1
);
src
=
srcColor0
-
1
;
cur
=
curChroma0
-
1
;
for
(
int
pos
=
startPos
[
1
],
cnt
=
0
;
cnt
<
cntL
;
pos
+=
pickStep
[
1
],
cnt
++
)
{
selectLumaPix
[
cnt
+
cntT
]
=
src
[
pos
*
srcStride
];
selectChromaPix
[
cnt
+
cntT
]
=
cur
[
pos
*
curStride
];
}
}
cnt
=
cntL
+
cntT
;
if
(
cnt
==
2
)
{
selectLumaPix
[
3
]
=
selectLumaPix
[
0
];
selectChromaPix
[
3
]
=
selectChromaPix
[
0
];
selectLumaPix
[
2
]
=
selectLumaPix
[
1
];
selectChromaPix
[
2
]
=
selectChromaPix
[
1
];
selectLumaPix
[
0
]
=
selectLumaPix
[
1
];
selectChromaPix
[
0
]
=
selectChromaPix
[
1
];
selectLumaPix
[
1
]
=
selectLumaPix
[
3
];
selectChromaPix
[
1
]
=
selectChromaPix
[
3
];
}
int
minGrpIdx
[
2
]
=
{
0
,
2
};
int
maxGrpIdx
[
2
]
=
{
1
,
3
};
int
*
tmpMinGrp
=
minGrpIdx
;
int
*
tmpMaxGrp
=
maxGrpIdx
;
if
(
selectLumaPix
[
tmpMinGrp
[
0
]]
>
selectLumaPix
[
tmpMinGrp
[
1
]])
std
::
swap
(
tmpMinGrp
[
0
],
tmpMinGrp
[
1
]);
if
(
selectLumaPix
[
tmpMaxGrp
[
0
]]
>
selectLumaPix
[
tmpMaxGrp
[
1
]])
std
::
swap
(
tmpMaxGrp
[
0
],
tmpMaxGrp
[
1
]);
if
(
selectLumaPix
[
tmpMinGrp
[
0
]]
>
selectLumaPix
[
tmpMaxGrp
[
1
]])
std
::
swap
(
tmpMinGrp
,
tmpMaxGrp
);
if
(
selectLumaPix
[
tmpMinGrp
[
1
]]
>
selectLumaPix
[
tmpMaxGrp
[
0
]])
std
::
swap
(
tmpMinGrp
[
1
],
tmpMaxGrp
[
0
]);
minLuma
[
0
]
=
(
selectLumaPix
[
tmpMinGrp
[
0
]]
+
selectLumaPix
[
tmpMinGrp
[
1
]]
+
1
)
>>
1
;
minLuma
[
1
]
=
(
selectChromaPix
[
tmpMinGrp
[
0
]]
+
selectChromaPix
[
tmpMinGrp
[
1
]]
+
1
)
>>
1
;
maxLuma
[
0
]
=
(
selectLumaPix
[
tmpMaxGrp
[
0
]]
+
selectLumaPix
[
tmpMaxGrp
[
1
]]
+
1
)
>>
1
;
maxLuma
[
1
]
=
(
selectChromaPix
[
tmpMaxGrp
[
0
]]
+
selectChromaPix
[
tmpMaxGrp
[
1
]]
+
1
)
>>
1
;
#else
int
numSteps
=
minDim
;
if
(
aboveAvailable
)
...
...
@@ -1842,6 +1922,7 @@ void IntraPrediction::xGetLMParameters(const PredictionUnit &pu, const Component
}
}
}
#endif
if
(
leftAvailable
||
aboveAvailable
)
{
...
...
source/Lib/CommonLib/TypeDef.h
View file @
5b3c71f6
...
...
@@ -61,6 +61,8 @@
#define JVET_N0477_LMCS_CLEANUP 1
#define JVET_N0220_LMCS_SIMPLIFICATION 1
#define JVET_N0271_SIMPLFIED_CCLM 1 // Simplified CCLM parameter derivation in JVET-N0271
#define JCTVC_Y0038_PARAMS 1
#define JVET_MMVD_OFF_MACRO 0
...
...
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