From 1790bb5d5bd420047ed14ec0bfd2c73478c747d0 Mon Sep 17 00:00:00 2001
From: Ram Mohan <ram.mohan@ittiam.com>
Date: Sun, 11 Jun 2023 07:07:27 +0530
Subject: ultrahdr: do not select less accurate integer method during dct

At high quality setting, less accurate integer method can have
larger psnr drops. Switch to default setting

Bug: 286617381
Test: ./libultrahdr_app -p inp_p010.yuv -y inp_420p.yuv -w 1920 -h 1080 -o 0

Change-Id: Ide126b87262e1c9a20edca7873b6ca27fc52b2cb
---
 libs/ultrahdr/jpegdecoderhelper.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libs/ultrahdr/jpegdecoderhelper.cpp')

diff --git a/libs/ultrahdr/jpegdecoderhelper.cpp b/libs/ultrahdr/jpegdecoderhelper.cpp
index fac90c503d..6c3a8c10b7 100644
--- a/libs/ultrahdr/jpegdecoderhelper.cpp
+++ b/libs/ultrahdr/jpegdecoderhelper.cpp
@@ -242,7 +242,7 @@ bool JpegDecoderHelper::decode(const void* image, int length, bool decodeToRGBA)
         cinfo.raw_data_out = TRUE;
     }
 
-    cinfo.dct_method = JDCT_IFAST;
+    cinfo.dct_method = JDCT_ISLOW;
 
     jpeg_start_decompress(&cinfo);
 
-- 
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