diff options
| author | Kirill Volinsky <mataes2007@gmail.com> | 2017-05-28 20:21:59 +0300 |
|---|---|---|
| committer | Kirill Volinsky <mataes2007@gmail.com> | 2017-05-28 20:21:59 +0300 |
| commit | 46cb763bffdbd1d2feea6d27344c48d16a511745 (patch) | |
| tree | 4eea9dd37e649dbfb3d24bbb1b03671db2f7ae0e /plugins/AdvaImg/src/LibJPEG/jfdctfst.c | |
| parent | c9bffd4f4e69fb1f34781cdf138b8b17e96b835b (diff) | |
AdvaImg: LibJPEG lib update to 9b
Diffstat (limited to 'plugins/AdvaImg/src/LibJPEG/jfdctfst.c')
| -rw-r--r-- | plugins/AdvaImg/src/LibJPEG/jfdctfst.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/plugins/AdvaImg/src/LibJPEG/jfdctfst.c b/plugins/AdvaImg/src/LibJPEG/jfdctfst.c index 82b92317b0..173d0d6fce 100644 --- a/plugins/AdvaImg/src/LibJPEG/jfdctfst.c +++ b/plugins/AdvaImg/src/LibJPEG/jfdctfst.c @@ -2,7 +2,7 @@ * jfdctfst.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.
*
@@ -109,6 +109,8 @@ /*
* Perform the forward DCT on one block of samples.
+ *
+ * cK represents cos(K*pi/16).
*/
GLOBAL(void)
@@ -145,7 +147,7 @@ jpeg_fdct_ifast (DCTELEM * 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;
|