tjbench: Further tweaks to -nowrite feature
* Do not compute compression error if -nowrite is specified
* Adjust formatting of -nowrite usage description
diff --git a/tjbench.c b/tjbench.c
index d04786c..036d631 100644
--- a/tjbench.c
+++ b/tjbench.c
@@ -213,6 +213,9 @@
(double)(w*h)/1000000.*(double)iter/elapsedDecode);
}
}
+
+ if (!write) goto bailout;
+
if(sf.num!=1 || sf.denom!=1)
snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom);
else if(tilew!=w || tileh!=h)
@@ -224,7 +227,7 @@
snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp],
qualstr, sizestr, ext);
- if(write && savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
+ if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
ptr=strrchr(tempstr, '.');
@@ -259,7 +262,7 @@
dstbuf[pitch*row+col]
=abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
}
- if(write && savebmp(tempstr, dstbuf, w, h, pf,
+ if(savebmp(tempstr, dstbuf, w, h, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
}
@@ -758,7 +761,7 @@
printf(" taking performance measurements (default = 1)\n");
printf("-componly = Stop after running compression tests. Do not test decompression.\n");
printf("-nowrite = Do not write reference or output images (improves consistency of\n");
- printf(" performance measurements.)\n\n");
+ printf(" performance measurements.)\n\n");
printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
printf("test will be performed for all quality values in the range.\n\n");
exit(1);
