From dc8b04e54fdcfd1f2a6c0568c0055065f3ff7228 Mon Sep 17 00:00:00 2001
From: Frank Bossen <fbossen@gmail.com>
Date: Thu, 31 Jan 2019 06:47:32 -0500
Subject: [PATCH] JVET-M0238: Nearest neighbor instead of linear interpolation
in PDPC
---
source/Lib/CommonLib/IntraPrediction.cpp | 4 ++++
source/Lib/CommonLib/TypeDef.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/source/Lib/CommonLib/IntraPrediction.cpp b/source/Lib/CommonLib/IntraPrediction.cpp
index e49e92ece..d48ef8511 100644
--- a/source/Lib/CommonLib/IntraPrediction.cpp
+++ b/source/Lib/CommonLib/IntraPrediction.cpp
@@ -770,7 +770,11 @@ void IntraPrediction::xPredIntraAng( const CPelBuf &pSrc, PelBuf &pDst, const Ch
if (wL == 0) break;
Pel *p = refSide + deltay;
+#if JVET_M0238_PDPC_NO_INTERPOLATION
+ Pel left = p[deltaFrac0 >> 5];
+#else
Pel left = (((64 - deltaFrac0) * p[0] + deltaFrac0 * p[1] + 32) >> 6);
+#endif
pDsty[x] = ClipPel((wL * left + (64 - wL) * pDsty[x] + 32) >> 6, clpRng);
}
}
diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index da70aafbf..21ba95091 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -117,6 +117,7 @@ typedef std::pair<int, int> TrCost;
// clang-format off
#define JVET_M0453_CABAC_ENGINE 1
#define JVET_M0512_MOTION_BUFFER_COMPRESSION 1
+#define JVET_M0238_PDPC_NO_INTERPOLATION 1
#define JVET_M0409_ATMVP_FIX 1
--
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