Legacy ImageMagick Discussions Archive

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wget http://kegel.com/imagemagick/slow/slow.jpg
time convert slow.jpg -depth 8 -auto-orient -strip -type TrueColorMatte -write PNG32:/tmp/img-conf.png '(' +clone -strip -resize 480x480 -write PNG32:/tmp/img-thumb.png +delete ')' -background 'rgba(255,255,255,.06)' -gravity center -resize 1920x1080 -extent 1920x1080 -write /tmp/img-slide.png -resize 480x270 -write /tmp/img-thumb-480x270.png -resize 160x90 /tmp/img-thumb-160x90.png 
 
bench-6.5.7-9.log:14.18user 0.20system 0:08.99elapsed 159%CPU (0avgtext+0avgdata 429056maxresident)k
bench-6.5.8-10.log:14.28user 0.22system 0:09.64elapsed 150%CPU (0avgtext+0avgdata 429648maxresident)k
bench-6.5.9-10.log:38.02user 0.12system 0:31.96elapsed 119%CPU (0avgtext+0avgdata 440832maxresident)k
bench-6.6.0-10.log:37.63user 0.21system 0:32.01elapsed 118%CPU (0avgtext+0avgdata 439408maxresident)k
bench-6.6.3-10.log:37.42user 0.25system 0:32.01elapsed 117%CPU (0avgtext+0avgdata 440816maxresident)k
bench-6.6.9-10.log:37.63user 0.23system 0:32.06elapsed 118%CPU (0avgtext+0avgdata 528848maxresident)k

Code: Select all

--- coders/jpeg.c       (revision 970)
+++ coders/jpeg.c       (revision 971)
@@ -731,17 +731,12 @@
          {
            if ((qvalue < hash[i]) && (sum < sums[i]))
              continue;
-           if ((qvalue <= hash[i]) && (sum <= sums[i]))
+           if (((qvalue <= hash[i]) && (sum <= sums[i])) || (i >= 50))
              image->quality=(unsigned long) i+1;
            if (image->debug != MagickFalse)
-             {
-               if (image->quality != UndefinedCompressionQuality)
-                 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
-                   "Quality: %ld",image->quality);
-               else
-                 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
-                   "Quality: %ld (approximate)",i+1);
-             }
+             (void) LogMagickEvent(CoderEvent,GetMagickModule(),
+               "Quality: %ld (%s)",i+1,(qvalue <= hash[i]) &&
+               (sum <= sums[i]) ? "exact" : "approximate");
            break;
          }
        }