diff --git a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.c b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.c
index 00d406d9..8886a3d2 100644
--- a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.c
+++ b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.c
@@ -96,7 +96,7 @@
 
 int jpc_ft_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height,
   int stride);
-int jpc_ft_synthesize(int *a, int xstart, int ystart, int width, int height,
+int jpc_ft_synthesize(jpc_fix_t *a, int xstart, int ystart, int width, int height,
   int stride);
 
 int jpc_ns_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height,
@@ -1592,7 +1592,7 @@ int jpc_ft_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height,
 
 }
 
-int jpc_ft_synthesize(int *a, int xstart, int ystart, int width, int height,
+int jpc_ft_synthesize(jpc_fix_t *a, int xstart, int ystart, int width, int height,
   int stride)
 {
 	int numrows = height;
diff --git a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.h b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.h
index 75611fe9..7bef848e 100644
--- a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.h
+++ b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_qmfb.h
@@ -75,6 +75,7 @@
 \******************************************************************************/
 
 #include "jasper/jas_seq.h"
+#include "jpc_fix.h"
 
 /******************************************************************************\
 * Constants.
@@ -101,8 +102,8 @@ any particular platform.  Hopefully, it is not too unreasonable, however. */
 #endif
 
 typedef struct {
-	int (*analyze)(int *, int, int, int, int, int);
-	int (*synthesize)(int *, int, int, int, int, int);
+	int (*analyze)(jpc_fix_t *, int, int, int, int, int);
+	int (*synthesize)(jpc_fix_t *, int, int, int, int, int);
 	double *lpenergywts;
 	double *hpenergywts;
 } jpc_qmfb2d_t;
diff --git a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_tsfb.c b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_tsfb.c
index baf9af08..b5901e85 100644
--- a/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_tsfb.c
+++ b/supportApp/GraphicsMagickSrc/jp2/src/libjasper/jpc/jpc_tsfb.c
@@ -82,10 +82,10 @@
 #include "jpc_util.h"
 #include "jpc_math.h"
 
-int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, jpc_fix_t *a, int xstart, int ystart,
   int width, int height, int stride, int numlvls);
 
-int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, jpc_fix_t *a, int xstart, int ystart,
   int width, int height, int stride, int numlvls);
 
 void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart,
@@ -133,7 +133,7 @@ int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
 	  jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
 }
 
-int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, jpc_fix_t *a, int xstart, int ystart,
   int width, int height, int stride, int numlvls)
 {
 	if (width > 0 && height > 0) {
@@ -160,7 +160,7 @@ int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *a)
 	  jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0;
 }
 
-int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart,
+int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, jpc_fix_t *a, int xstart, int ystart,
   int width, int height, int stride, int numlvls)
 {
 	if (numlvls > 0) {