From f782457960579cfe3e7f728d7a3027ef0af9ca5f Mon Sep 17 00:00:00 2001
From: Frank Bossen <fbossen@gmail.com>
Date: Sun, 19 Apr 2020 04:25:47 -0400
Subject: [PATCH] Fix VB position computation in CC-ALF encoder
This issue was pointed out in JVET-R0322
---
source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp b/source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp
index 713ce3ec5d..d6e4d15f85 100644
--- a/source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp
+++ b/source/Lib/EncoderLib/EncAdaptiveLoopFilter.cpp
@@ -4156,7 +4156,7 @@ void EncAdaptiveLoopFilter::getBlkStatsCcAlf(AlfCovariance &alfCovariance, const
for (int i = 0; i < compArea.height; i++)
{
- int vbDistance = ((i << getComponentScaleX(compID, m_chromaFormat)) % vbCTUHeight) - vbPos;
+ int vbDistance = ((i << getComponentScaleY(compID, m_chromaFormat)) % vbCTUHeight) - vbPos;
for (int j = 0; j < compArea.width; j++)
{
std::memset(ELocal, 0, sizeof(ELocal));
--
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