From 213ec2a8c8deb3544e28ae520c8388d7eb935ae5 Mon Sep 17 00:00:00 2001
From: Nan Hu <nanh@qti.qualcomm.com>
Date: Sun, 21 Oct 2018 18:51:09 -0700
Subject: [PATCH] JVET_L0392_ALF_INIT_STATE: bug fix of initial context state
for ALF ctb enable flag
---
source/Lib/CommonLib/Contexts.cpp | 6 ++++++
source/Lib/CommonLib/TypeDef.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/source/Lib/CommonLib/Contexts.cpp b/source/Lib/CommonLib/Contexts.cpp
index c735ab2d9..05811af8e 100644
--- a/source/Lib/CommonLib/Contexts.cpp
+++ b/source/Lib/CommonLib/Contexts.cpp
@@ -652,9 +652,15 @@ const CtxSet ContextSetCfg::ctbAlfFlag =
{
ContextSetCfg::addCtxSet
( {
+#if JVET_L0392_ALF_INIT_STATE
+ { 100, 153, 200, 100, 153, 200, 100, 153, 200 },
+ { 100, 153, 200, 100, 153, 200, 100, 153, 200 },
+ { 100, 153, 200, 100, 153, 200, 100, 153, 200 },
+#else
{ 100, 100, 100, 100, 100, 100, 100, 100, 100 },
{ 153, 153, 153, 153, 153, 153, 153, 153, 153 },
{ 200, 200, 200, 200, 200, 200, 200, 200, 200 },
+#endif
} )
};
diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index e8336707e..40c4cacf9 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -50,6 +50,8 @@
#include <assert.h>
#include <cassert>
+#define JVET_L0392_ALF_INIT_STATE 1
+
#define JVET_L0664_ALF_REMOVE_LUMA_5x5 1
#define JVET_L0083_ALF_FRAC_BIT 1 // Reduce number of ALF fractional bit to 7
--
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