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authorKirill Volinsky <mataes2007@gmail.com>2017-05-28 20:21:59 +0300
committerKirill Volinsky <mataes2007@gmail.com>2017-05-28 20:21:59 +0300
commit46cb763bffdbd1d2feea6d27344c48d16a511745 (patch)
tree4eea9dd37e649dbfb3d24bbb1b03671db2f7ae0e /plugins/AdvaImg/src/LibJPEG/jfdctflt.c
parentc9bffd4f4e69fb1f34781cdf138b8b17e96b835b (diff)
AdvaImg: LibJPEG lib update to 9b
Diffstat (limited to 'plugins/AdvaImg/src/LibJPEG/jfdctflt.c')
-rw-r--r--plugins/AdvaImg/src/LibJPEG/jfdctflt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/plugins/AdvaImg/src/LibJPEG/jfdctflt.c b/plugins/AdvaImg/src/LibJPEG/jfdctflt.c
index 3c1b174801..0cc054074f 100644
--- a/plugins/AdvaImg/src/LibJPEG/jfdctflt.c
+++ b/plugins/AdvaImg/src/LibJPEG/jfdctflt.c
@@ -2,7 +2,7 @@
* jfdctflt.c
*
* Copyright (C) 1994-1996, Thomas G. Lane.
- * Modified 2003-2009 by Guido Vollbeding.
+ * Modified 2003-2015 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
@@ -54,6 +54,8 @@
/*
* Perform the forward DCT on one block of samples.
+ *
+ * cK represents cos(K*pi/16).
*/
GLOBAL(void)
@@ -89,7 +91,7 @@ jpeg_fdct_float (FAST_FLOAT * data, JSAMPARRAY sample_data, JDIMENSION start_col
tmp11 = tmp1 + tmp2;
tmp12 = tmp1 - tmp2;
- /* Apply unsigned->signed conversion */
+ /* Apply unsigned->signed conversion. */
dataptr[0] = tmp10 + tmp11 - 8 * CENTERJSAMPLE; /* phase 3 */
dataptr[4] = tmp10 - tmp11;