minor speedups/bugfixes

[swftools.git] / lib / png.c

diff --git a/lib/png.c b/lib/png.c
index bcabd4c..d917cbd 100644 (file)
--- a/lib/png.c
+++ b/lib/png.c
@@ -1465,11 +1465,10 @@ static int png_find_best_filter(unsigned char*src, int width, int bpp, int y)
     
 static int png_apply_filter(unsigned char*dest, unsigned char*src, int width, int y, int bpp)
 {
-    make_num_bits_table();
-
-    int num_filters = y>0?5:2; //don't apply y-direction filter in first line
     int best_nr = 0;
 #if 0
+    make_num_bits_table();
+    int num_filters = y>0?5:2; //don't apply y-direction filter in first line
     int f;
     int best_energy = INT_MAX;
     int w = width*(bpp/8);
@@ -1514,11 +1513,11 @@ static int png_apply_filter(unsigned char*dest, unsigned char*src, int width, in
 
 int png_apply_filter_8(unsigned char*dest, unsigned char*src, int width, int y)
 {
-    png_apply_filter(dest, src, width, y, 8);
+    return png_apply_filter(dest, src, width, y, 8);
 }
 int png_apply_filter_32(unsigned char*dest, unsigned char*src, int width, int y)
 {
-    png_apply_filter(dest, src, width, y, 32);
+    return png_apply_filter(dest, src, width, y, 32);
 }
 
 EXPORT void savePNG(const char*filename, unsigned char*data, int width, int height, int numcolors)