3rdparty: libjpeg-turbo 2.0.5 => 2.0.6

[platform/upstream/opencv.git] / 3rdparty / libjpeg-turbo / src / jdcoefct.c

diff --git a/3rdparty/libjpeg-turbo/src/jdcoefct.c b/3rdparty/libjpeg-turbo/src/jdcoefct.c
index 723a9ac..2ba6aa1 100644 (file)
--- a/3rdparty/libjpeg-turbo/src/jdcoefct.c
+++ b/3rdparty/libjpeg-turbo/src/jdcoefct.c
@@ -6,7 +6,7 @@
  * libjpeg-turbo Modifications:
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
  * Copyright (C) 2010, 2015-2016, D. R. Commander.
- * Copyright (C) 2015, Google, Inc.
+ * Copyright (C) 2015, 2020, Google, Inc.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -495,11 +495,13 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
       if (first_row && block_row == 0)
         prev_block_row = buffer_ptr;
       else
-        prev_block_row = buffer[block_row - 1];
+        prev_block_row = buffer[block_row - 1] +
+                         cinfo->master->first_MCU_col[ci];
       if (last_row && block_row == block_rows - 1)
         next_block_row = buffer_ptr;
       else
-        next_block_row = buffer[block_row + 1];
+        next_block_row = buffer[block_row + 1] +
+                         cinfo->master->first_MCU_col[ci];
       /* We fetch the surrounding DC values using a sliding-register approach.
        * Initialize all nine here so as to do the right thing on narrow pics.
        */