From 1790bb5d5bd420047ed14ec0bfd2c73478c747d0 Mon Sep 17 00:00:00 2001 From: Ram Mohan 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/jpegencoderhelper.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libs/ultrahdr/jpegencoderhelper.cpp') diff --git a/libs/ultrahdr/jpegencoderhelper.cpp b/libs/ultrahdr/jpegencoderhelper.cpp index 10a763035f..867ffbb4e9 100644 --- a/libs/ultrahdr/jpegencoderhelper.cpp +++ b/libs/ultrahdr/jpegencoderhelper.cpp @@ -139,7 +139,7 @@ void JpegEncoderHelper::setJpegCompressStruct(int width, int height, int quality jpeg_set_quality(cinfo, quality, TRUE); jpeg_set_colorspace(cinfo, isSingleChannel ? JCS_GRAYSCALE : JCS_YCbCr); cinfo->raw_data_in = TRUE; - cinfo->dct_method = JDCT_IFAST; + cinfo->dct_method = JDCT_ISLOW; if (!isSingleChannel) { // Configure sampling factors. The sampling factor is JPEG subsampling 420 because the -- cgit v1.2.3-59-g8ed1b