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-rw-r--r--src/3rdparty/libjpeg/src/jdcoefct.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/3rdparty/libjpeg/src/jdcoefct.h b/src/3rdparty/libjpeg/src/jdcoefct.h
index c4d1943dd4..bbe9e97051 100644
--- a/src/3rdparty/libjpeg/src/jdcoefct.h
+++ b/src/3rdparty/libjpeg/src/jdcoefct.h
@@ -5,6 +5,8 @@
* Copyright (C) 1994-1997, Thomas G. Lane.
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2020, Google, Inc.
+ * Copyright (C) 2022, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*/
@@ -13,6 +15,8 @@
#include "jpeglib.h"
+#if BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED)
+
/* Block smoothing is only applicable for progressive JPEG, so: */
#ifndef D_PROGRESSIVE_SUPPORTED
#undef BLOCK_SMOOTHING_SUPPORTED
@@ -51,7 +55,7 @@ typedef struct {
#ifdef BLOCK_SMOOTHING_SUPPORTED
/* When doing block smoothing, we latch coefficient Al values here */
int *coef_bits_latch;
-#define SAVED_COEFS 6 /* we save coef_bits[0..5] */
+#define SAVED_COEFS 10 /* we save coef_bits[0..9] */
#endif
} my_coef_controller;
@@ -80,3 +84,5 @@ start_iMCU_row(j_decompress_ptr cinfo)
coef->MCU_ctr = 0;
coef->MCU_vert_offset = 0;
}
+
+#endif /* BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED) */