Refactored jpegut to test the new TurboJPEG API. There is no legacy code remaining, so the refactored version of the program has been re-licensed under a BSD-style license.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@618 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/Makefile.am b/Makefile.am
index 9237233..8ba8185 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -81,7 +81,7 @@
jpgtest_LDADD = libturbojpeg.la -lm
-jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c
+jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c tjutil.h tjutil.c
jpegut_LDADD = libturbojpeg.la
@@ -144,6 +144,7 @@
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv -bi
endif
./jpegut
+ ./jpegut -alloc
./jpegut -yuv
./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgint.jpg testoutint.jpg
diff --git a/jpegut.c b/jpegut.c
index a9db8b6..a1efca4 100644
--- a/jpegut.c
+++ b/jpegut.c
@@ -1,192 +1,216 @@
-/* Copyright (C)2004 Landmark Graphics Corporation
- * Copyright (C)2005 Sun Microsystems, Inc.
- * Copyright (C)2009-2011 D. R. Commander
+/*
+ * Copyright (C)2009-2011 D. R. Commander. All Rights Reserved.
*
- * This library is free software and may be redistributed and/or modified under
- * the terms of the wxWindows Library License, Version 3.1 or (at your option)
- * any later version. The full license is in the LICENSE.txt file included
- * with this distribution.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * wxWindows Library License for more details.
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the libjpeg-turbo Project nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This program tests the various code paths in the TurboJPEG JNI Wrapper
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "./rrtimer.h"
-#include "./rrutil.h"
+#include <errno.h>
+#include "./tjutil.h"
#include "./turbojpeg.h"
-#define _catch(f) {if((f)==-1) {printf("TJPEG: %s\n", tjGetErrorStr()); bailout();}}
-const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"};
-const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY", "440"};
+void usage(char *progName)
+{
+ printf("\nUSAGE: %s [options]\n", progName);
+ printf("Options:\n");
+ printf("-yuv = test YUV encoding/decoding support\n");
+ printf("-alloc = test automatic buffer allocation\n");
+ exit(1);
+}
-#define NUMPF 7
-enum {RGB=0, BGR, RGBX, BGRX, XBGR, XRGB, GRAY};
-const int _ps[NUMPF]={3, 3, 4, 4, 4, 4, 1};
-const int _roffset[NUMPF]={0, 2, 0, 2, 3, 1, 0};
-const int _goffset[NUMPF]={1, 1, 1, 1, 2, 2, 0};
-const int _boffset[NUMPF]={2, 0, 2, 0, 1, 3, 0};
-const int _flags[NUMPF]={0, TJ_BGR, 0, TJ_BGR, TJ_BGR|TJ_ALPHAFIRST,
- TJ_ALPHAFIRST, 0};
-const char *_pfstr[NUMPF]={"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB",
- "Grayscale"};
-const int _3byteformats[]={RGB, BGR};
-const int _4byteformats[]={RGBX, BGRX, XBGR, XRGB};
-const int _onlygray[]={GRAY};
-const int _onlyrgb[]={RGB};
+#define _throwtj() {printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr()); \
+ bailout();}
+#define _tj(f) {if((f)==-1) _throwtj();}
+#define _throw(m) {printf("ERROR: %s\n", m); bailout();}
+
+const char *subNameLong[TJ_NUMSAMP]=
+{
+ "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
+};
+const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440"};
+
+const char *pixFormatStr[TJ_NUMPF]=
+{
+ "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale"
+};
+
+const int _3byteFormats[]={TJPF_RGB, TJPF_BGR};
+const int _4byteFormats[]={TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB};
+const int _onlyGray[]={TJPF_GRAY};
+const int _onlyRGB[]={TJPF_RGB};
enum {YUVENCODE=1, YUVDECODE};
-int yuv=0;
+int yuv=0, alloc=0;
-int exitstatus=0;
-#define bailout() {exitstatus=-1; goto bailout;}
+int exitStatus=0;
+#define bailout() {exitStatus=-1; goto bailout;}
int pixels[9][3]=
{
{0, 255, 0},
{255, 0, 255},
- {255, 255, 0},
- {0, 0, 255},
{0, 255, 255},
{255, 0, 0},
+ {255, 255, 0},
+ {0, 0, 255},
{255, 255, 255},
{0, 0, 0},
- {255, 0, 0}
+ {0, 0, 255}
};
-void initbuf(unsigned char *buf, int w, int h, int pf, int flags)
+
+void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
{
- int ps=_ps[pf], i, _i, j;
- int roffset=_roffset[pf], goffset=_goffset[pf], boffset=_boffset[pf];
+ int roffset=tjRedOffset[pf];
+ int goffset=tjGreenOffset[pf];
+ int boffset=tjBlueOffset[pf];
+ int ps=tjPixelSize[pf];
+ int index, row, col, halfway=16;
memset(buf, 0, w*h*ps);
- if(pf==GRAY)
+ if(pf==TJPF_GRAY)
{
- for(_i=0; _i<16; _i++)
+ for(row=0; row<h; row++)
{
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
+ for(col=0; col<w; col++)
{
- if(((_i/8)+(j/8))%2==0) buf[w*i+j]=255;
- else buf[w*i+j]=76;
- }
- }
- for(_i=16; _i<h; _i++)
- {
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
- {
- if(((_i/8)+(j/8))%2==0) buf[w*i+j]=0;
- else buf[w*i+j]=226;
- }
- }
- return;
- }
- for(_i=0; _i<16; _i++)
- {
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
- {
- buf[(w*i+j)*ps+roffset]=255;
- if(((_i/8)+(j/8))%2==0)
- {
- buf[(w*i+j)*ps+goffset]=255;
- buf[(w*i+j)*ps+boffset]=255;
+ if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
+ else index=row*w+col;
+ if(((row/8)+(col/8))%2==0) buf[index]=(row<halfway)? 255:0;
+ else buf[index]=(row<halfway)? 76:226;
}
}
}
- for(_i=16; _i<h; _i++)
+ else
{
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
+ for(row=0; row<h; row++)
{
- if(((_i/8)+(j/8))%2!=0)
+ for(col=0; col<w; col++)
{
- buf[(w*i+j)*ps+roffset]=255;
- buf[(w*i+j)*ps+goffset]=255;
+ if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
+ else index=row*w+col;
+ if(((row/8)+(col/8))%2==0)
+ {
+ buf[index*ps+roffset]=(row<halfway)? 255:0;
+ buf[index*ps+goffset]=(row<halfway)? 255:0;
+ buf[index*ps+boffset]=(row<halfway)? 255:0;
+ }
+ else
+ {
+ buf[index*ps+roffset]=(row<halfway)? 255:255;
+ buf[index*ps+goffset]=(row<halfway)? 0:255;
+ buf[index*ps+boffset]=0;
+ }
}
}
}
}
+
#define checkval(v, cv) { \
if(v<cv-1 || v>cv+1) { \
- printf("\nComp. %s at %d,%d should be %d, not %d\n", #v, i, j, cv, v); \
- retval=0; goto bailout; \
+ printf("\nComp. %s at %d,%d should be %d, not %d\n", \
+ #v, row, col, cv, v); \
+ retval=0; exitStatus=-1; goto bailout; \
}}
#define checkval0(v) { \
if(v>1) { \
- printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, i, j, v); \
- retval=0; goto bailout; \
+ printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
+ retval=0; exitStatus=-1; goto bailout; \
}}
#define checkval255(v) { \
if(v<254) { \
- printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, i, j, v); \
- retval=0; goto bailout; \
+ printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
+ retval=0; exitStatus=-1; goto bailout; \
}}
-int checkbuf(unsigned char *buf, int w, int h, int pf, int subsamp,
- int scale_num, int scale_denom, int flags)
-{
- int ps=_ps[pf];
- int roffset=_roffset[pf], goffset=_goffset[pf], boffset=_boffset[pf];
- int i, _i, j, retval=1;
- int halfway=16*scale_num/scale_denom, blocksize=8*scale_num/scale_denom;
- for(_i=0; _i<halfway; _i++)
+int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
+ tjscalingfactor sf, int flags)
+{
+ int roffset=tjRedOffset[pf];
+ int goffset=tjGreenOffset[pf];
+ int boffset=tjBlueOffset[pf];
+ int ps=tjPixelSize[pf];
+ int index, row, col, retval=1;
+ int halfway=16*sf.num/sf.denom;
+ int blocksize=8*sf.num/sf.denom;
+
+ for(row=0; row<h; row++)
{
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
+ for(col=0; col<w; col++)
{
- unsigned char r=buf[(w*i+j)*ps+roffset],
- g=buf[(w*i+j)*ps+goffset],
- b=buf[(w*i+j)*ps+boffset];
- if(((_i/blocksize)+(j/blocksize))%2==0)
+ if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
+ else index=row*w+col;
+ unsigned char r=buf[index*ps+roffset];
+ unsigned char g=buf[index*ps+goffset];
+ unsigned char b=buf[index*ps+boffset];
+ if(((row/blocksize)+(col/blocksize))%2==0)
{
- checkval255(r); checkval255(g); checkval255(b);
- }
- else
- {
- if(subsamp==TJ_GRAYSCALE)
+ if(row<halfway)
{
- checkval(r, 76); checkval(g, 76); checkval(b, 76);
+ checkval255(r); checkval255(g); checkval255(b);
}
else
{
- checkval255(r); checkval0(g); checkval0(b);
+ checkval0(r); checkval0(g); checkval0(b);
}
}
- }
- }
- for(_i=halfway; _i<h; _i++)
- {
- if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i;
- for(j=0; j<w; j++)
- {
- unsigned char r=buf[(w*i+j)*ps+roffset],
- g=buf[(w*i+j)*ps+goffset],
- b=buf[(w*i+j)*ps+boffset];
- if(((_i/blocksize)+(j/blocksize))%2==0)
- {
- checkval0(r); checkval0(g); checkval0(b);
- }
else
{
- if(subsamp==TJ_GRAYSCALE)
+ if(subsamp==TJSAMP_GRAY)
{
- checkval(r, 226); checkval(g, 226); checkval(b, 226);
+ if(row<halfway)
+ {
+ checkval(r, 76); checkval(g, 76); checkval(b, 76);
+ }
+ else
+ {
+ checkval(r, 226); checkval(g, 226); checkval(b, 226);
+ }
}
else
{
- checkval255(r); checkval255(g); checkval0(b);
+ if(row<halfway)
+ {
+ checkval255(r); checkval0(g); checkval0(b);
+ }
+ else
+ {
+ checkval255(r); checkval255(g); checkval0(b);
+ }
}
}
}
@@ -196,12 +220,12 @@
if(retval==0)
{
printf("\n");
- for(i=0; i<h; i++)
+ for(row=0; row<h; row++)
{
- for(j=0; j<w; j++)
+ for(col=0; col<w; col++)
{
- printf("%.3d/%.3d/%.3d ", buf[(w*i+j)*ps+roffset],
- buf[(w*i+j)*ps+goffset], buf[(w*i+j)*ps+boffset]);
+ printf("%.3d/%.3d/%.3d ", buf[(row*w+col)*ps+roffset],
+ buf[(row*w+col)*ps+goffset], buf[(row*w+col)*ps+boffset]);
}
printf("\n");
}
@@ -209,44 +233,45 @@
return retval;
}
+
#define PAD(v, p) ((v+(p)-1)&(~((p)-1)))
-int checkbufyuv(unsigned char *buf, int w, int h, int subsamp)
+int checkBufYUV(unsigned char *buf, int w, int h, int subsamp)
{
- int i, j;
+ int row, col;
int hsf=tjMCUWidth[subsamp]/8, vsf=tjMCUHeight[subsamp]/8;
int pw=PAD(w, hsf), ph=PAD(h, vsf);
int cw=pw/hsf, ch=ph/vsf;
int ypitch=PAD(pw, 4), uvpitch=PAD(cw, 4);
int retval=1;
- for(i=0; i<16; i++)
+ for(row=0; row<16; row++)
{
- for(j=0; j<pw; j++)
+ for(col=0; col<pw; col++)
{
- unsigned char y=buf[ypitch*i+j];
- if(((i/8)+(j/8))%2==0) checkval255(y)
+ unsigned char y=buf[ypitch*row+col];
+ if(((row/8)+(col/8))%2==0) checkval255(y)
else checkval(y, 76)
}
}
- for(i=16; i<ph; i++)
+ for(row=16; row<ph; row++)
{
- for(j=0; j<pw; j++)
+ for(col=0; col<pw; col++)
{
- unsigned char y=buf[ypitch*i+j];
- if(((i/8)+(j/8))%2==0) checkval0(y)
+ unsigned char y=buf[ypitch*row+col];
+ if(((row/8)+(col/8))%2==0) checkval0(y)
else checkval(y, 226)
}
}
- if(subsamp!=TJ_GRAYSCALE)
+ if(subsamp!=TJSAMP_GRAY)
{
- for(i=0; i<16/vsf; i++)
+ for(row=0; row<16/vsf; row++)
{
- for(j=0; j<cw; j++)
+ for(col=0; col<cw; col++)
{
- unsigned char u=buf[ypitch*ph + (uvpitch*i+j)],
- v=buf[ypitch*ph + uvpitch*ch + (uvpitch*i+j)];
- if(((i*vsf/8)+(j*hsf/8))%2==0)
+ unsigned char u=buf[ypitch*ph + (uvpitch*row+col)],
+ v=buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)];
+ if(((row*vsf/8)+(col*hsf/8))%2==0)
{
checkval(u, 128); checkval(v, 128);
}
@@ -256,13 +281,13 @@
}
}
}
- for(i=16/vsf; i<ch; i++)
+ for(row=16/vsf; row<ch; row++)
{
- for(j=0; j<cw; j++)
+ for(col=0; col<cw; col++)
{
- unsigned char u=buf[ypitch*ph + (uvpitch*i+j)],
- v=buf[ypitch*ph + uvpitch*ch + (uvpitch*i+j)];
- if(((i*vsf/8)+(j*hsf/8))%2==0)
+ unsigned char u=buf[ypitch*ph + (uvpitch*row+col)],
+ v=buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)];
+ if(((row*vsf/8)+(col*hsf/8))%2==0)
{
checkval(u, 128); checkval(v, 128);
}
@@ -277,24 +302,24 @@
bailout:
if(retval==0)
{
- for(i=0; i<ph; i++)
+ for(row=0; row<ph; row++)
{
- for(j=0; j<pw; j++)
- printf("%.3d ", buf[ypitch*i+j]);
+ for(col=0; col<pw; col++)
+ printf("%.3d ", buf[ypitch*row+col]);
printf("\n");
}
printf("\n");
- for(i=0; i<ch; i++)
+ for(row=0; row<ch; row++)
{
- for(j=0; j<cw; j++)
- printf("%.3d ", buf[ypitch*ph + (uvpitch*i+j)]);
+ for(col=0; col<cw; col++)
+ printf("%.3d ", buf[ypitch*ph + (uvpitch*row+col)]);
printf("\n");
}
printf("\n");
- for(i=0; i<ch; i++)
+ for(row=0; row<ch; row++)
{
- for(j=0; j<cw; j++)
- printf("%.3d ", buf[ypitch*ph + uvpitch*ch + (uvpitch*i+j)]);
+ for(col=0; col<cw; col++)
+ printf("%.3d ", buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)]);
printf("\n");
}
printf("\n");
@@ -303,189 +328,182 @@
return retval;
}
-void writejpeg(unsigned char *jpegbuf, unsigned long jpgbufsize,
- char *filename)
+
+void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize, char *filename)
{
- FILE *outfile=NULL;
- if((outfile=fopen(filename, "wb"))==NULL)
+ FILE *file=fopen(filename, "wb");
+ if(!file || fwrite(jpegBuf, jpegSize, 1, file)!=1)
{
- printf("ERROR: Could not open %s for writing.\n", filename);
- bailout();
- }
- if(fwrite(jpegbuf, jpgbufsize, 1, outfile)!=1)
- {
- printf("ERROR: Could not write to %s.\n", filename);
+ printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
bailout();
}
bailout:
- if(outfile) fclose(outfile);
+ if(file) fclose(file);
}
-void gentestjpeg(tjhandle hnd, unsigned char *jpegbuf, unsigned long *size,
- int w, int h, int pf, char *basefilename, int subsamp, int qual, int flags)
+
+void compTest(tjhandle handle, unsigned char **dstBuf,
+ unsigned long *dstSize, int w, int h, int pf, char *basename,
+ int subsamp, int jpegQual, int flags)
{
- char tempstr[1024]; unsigned char *bmpbuf=NULL;
- int ps=_ps[pf]; double t;
+ char tempStr[1024]; unsigned char *srcBuf=NULL;
+ double t;
if(yuv==YUVENCODE)
- printf("%s %s -> %s YUV ... ", _pfstr[pf],
- (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ", _subnamel[subsamp]);
+ printf("%s %s -> %s YUV ... ", pixFormatStr[pf],
+ (flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ", subNameLong[subsamp]);
else
- printf("%s %s -> %s Q%d ... ", _pfstr[pf],
- (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ", _subnamel[subsamp], qual);
+ printf("%s %s -> %s Q%d ... ", pixFormatStr[pf],
+ (flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ", subNameLong[subsamp],
+ jpegQual);
- if((bmpbuf=(unsigned char *)malloc(w*h*ps+1))==NULL)
- {
- printf("ERROR: Could not allocate buffer\n"); bailout();
- }
- initbuf(bmpbuf, w, h, pf, flags);
- memset(jpegbuf, 0,
- yuv==YUVENCODE? TJBUFSIZEYUV(w, h, subsamp):TJBUFSIZE(w, h));
+ if((srcBuf=(unsigned char *)malloc(w*h*tjPixelSize[pf]))==NULL)
+ _throw("Memory allocation failure");
+ initBuf(srcBuf, w, h, pf, flags);
+ if(*dstBuf && *dstSize>0) memset(*dstBuf, 0, *dstSize);
- t=rrtime();
+ t=gettime();
if(yuv==YUVENCODE)
{
- _catch(tjEncodeYUV(hnd, bmpbuf, w, 0, h, ps, jpegbuf, subsamp,
- flags|_flags[pf]));
- *size=TJBUFSIZEYUV(w, h, subsamp);
+ _tj(tjEncodeYUV2(handle, srcBuf, w, 0, h, pf, *dstBuf, subsamp, flags));
}
else
{
- _catch(tjCompress(hnd, bmpbuf, w, 0, h, ps, jpegbuf, size, subsamp, qual,
- flags|_flags[pf]));
+ if(!alloc)
+ {
+ flags|=TJFLAG_NOREALLOC;
+ *dstSize=(yuv==YUVENCODE? TJBUFSIZEYUV(w, h, subsamp):TJBUFSIZE(w, h));
+ }
+ _tj(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
+ jpegQual, flags));
}
- t=rrtime()-t;
+ t=gettime()-t;
if(yuv==YUVENCODE)
- snprintf(tempstr, 1024, "%s_enc_%s_%s_%s.yuv", basefilename, _pfstr[pf],
- (flags&TJ_BOTTOMUP)? "BU":"TD", _subnames[subsamp]);
+ snprintf(tempStr, 1024, "%s_enc_%s_%s_%s.yuv", basename, pixFormatStr[pf],
+ (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subName[subsamp]);
else
- snprintf(tempstr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basefilename, _pfstr[pf],
- (flags&TJ_BOTTOMUP)? "BU":"TD", _subnames[subsamp], qual);
- writejpeg(jpegbuf, *size, tempstr);
+ snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename,
+ pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subName[subsamp],
+ jpegQual);
+ writeJPEG(*dstBuf, *dstSize, tempStr);
if(yuv==YUVENCODE)
{
- if(checkbufyuv(jpegbuf, w, h, subsamp)) printf("Passed.");
- else {printf("FAILED!"); exitstatus=-1;}
+ if(checkBufYUV(*dstBuf, w, h, subsamp)) printf("Passed.");
+ else printf("FAILED!");
}
else printf("Done.");
- printf(" %f ms\n Result in %s\n", t*1000., tempstr);
+ printf(" %f ms\n Result in %s\n", t*1000., tempStr);
bailout:
- if(bmpbuf) free(bmpbuf);
+ if(srcBuf) free(srcBuf);
}
-void _gentestbmp(tjhandle hnd, unsigned char *jpegbuf, unsigned long jpegsize,
- int w, int h, int pf, char *basefilename, int subsamp, int flags,
- int scale_num, int scale_denom)
+
+void _decompTest(tjhandle handle, unsigned char *jpegBuf,
+ unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
+ int flags, tjscalingfactor sf)
{
- unsigned char *bmpbuf=NULL;
+ unsigned char *dstBuf=NULL;
int _hdrw=0, _hdrh=0, _hdrsubsamp=-1; double t;
- int scaledw=(w*scale_num+scale_denom-1)/scale_denom;
- int scaledh=(h*scale_num+scale_denom-1)/scale_denom;
- int ps=_ps[pf];
- unsigned long size=0;
+ int scaledWidth=TJSCALED(w, sf);
+ int scaledHeight=TJSCALED(h, sf);
+ unsigned long dstSize=0;
if(yuv==YUVENCODE) return;
if(yuv==YUVDECODE)
- printf("JPEG -> YUV %s ... ", _subnames[subsamp]);
+ printf("JPEG -> YUV %s ... ", subName[subsamp]);
else
{
- printf("JPEG -> %s %s ", _pfstr[pf],
- (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ");
- if(scale_num!=1 || scale_denom!=1)
- printf("%d/%d ... ", scale_num, scale_denom);
+ printf("JPEG -> %s %s ", pixFormatStr[pf],
+ (flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ");
+ if(sf.num!=1 || sf.denom!=1)
+ printf("%d/%d ... ", sf.num, sf.denom);
else printf("... ");
}
- _catch(tjDecompressHeader2(hnd, jpegbuf, jpegsize, &_hdrw, &_hdrh,
+ _tj(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
&_hdrsubsamp));
if(_hdrw!=w || _hdrh!=h || _hdrsubsamp!=subsamp)
- {
- printf("Incorrect JPEG header\n"); bailout();
- }
+ _throw("Incorrect JPEG header");
- if(yuv==YUVDECODE) size=TJBUFSIZEYUV(w, h, subsamp);
- else size=scaledw*scaledh*ps+1;
- if((bmpbuf=(unsigned char *)malloc(size))==NULL)
- {
- printf("ERROR: Could not allocate buffer\n"); bailout();
- }
- memset(bmpbuf, 0, size);
+ if(yuv==YUVDECODE) dstSize=TJBUFSIZEYUV(w, h, subsamp);
+ else dstSize=scaledWidth*scaledHeight*tjPixelSize[pf];
+ if((dstBuf=(unsigned char *)malloc(dstSize))==NULL)
+ _throw("Memory allocation failure");
+ memset(dstBuf, 0, dstSize);
- t=rrtime();
+ t=gettime();
if(yuv==YUVDECODE)
{
- _catch(tjDecompressToYUV(hnd, jpegbuf, jpegsize, bmpbuf,
- flags|_flags[pf]));
+ _tj(tjDecompressToYUV(handle, jpegBuf, jpegSize, dstBuf, flags));
}
else
{
- _catch(tjDecompress(hnd, jpegbuf, jpegsize, bmpbuf, scaledw, 0, scaledh,
- ps, flags|_flags[pf]));
+ _tj(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
+ scaledHeight, pf, flags));
}
- t=rrtime()-t;
+ t=gettime()-t;
if(yuv==YUVDECODE)
{
- if(checkbufyuv(bmpbuf, w, h, subsamp)) printf("Passed.");
- else {printf("FAILED!"); exitstatus=-1;}
+ if(checkBufYUV(dstBuf, w, h, subsamp)) printf("Passed.");
+ printf("FAILED!");
}
else
{
- if(checkbuf(bmpbuf, scaledw, scaledh, pf, subsamp, scale_num, scale_denom,
- flags)) printf("Passed.");
- else {printf("FAILED!"); exitstatus=-1;}
+ if(checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
+ printf("Passed.");
+ else printf("FAILED!");
}
printf(" %f ms\n", t*1000.);
bailout:
- if(bmpbuf) free(bmpbuf);
+ if(dstBuf) free(dstBuf);
}
-void gentestbmp(tjhandle hnd, unsigned char *jpegbuf, unsigned long jpegsize,
- int w, int h, int pf, char *basefilename, int subsamp, int flags)
+
+void decompTest(tjhandle handle, unsigned char *jpegBuf,
+ unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
+ int flags)
{
int i, n=0;
- tjscalingfactor *sf=tjGetScalingFactors(&n);
- if(!sf || !n)
- {
- printf("Error in tjGetScalingFactors():\n%s\n", tjGetErrorStr());
- bailout();
- }
+ tjscalingfactor *sf=tjGetScalingFactors(&n), sf1={1, 1};
+ if(!sf || !n) _throwtj();
- if((subsamp==TJ_444 || subsamp==TJ_GRAYSCALE) && !yuv)
+ if((subsamp==TJSAMP_444 || subsamp==TJSAMP_GRAY) && !yuv)
{
for(i=0; i<n; i++)
- _gentestbmp(hnd, jpegbuf, jpegsize, w, h, pf, basefilename, subsamp,
- flags, sf[i].num, sf[i].denom);
+ _decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
+ flags, sf[i]);
}
else
- _gentestbmp(hnd, jpegbuf, jpegsize, w, h, pf, basefilename, subsamp,
- flags, 1, 1);
+ _decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp, flags,
+ sf1);
bailout:
printf("\n");
}
-void dotest(int w, int h, const int *formats, int nformats, int subsamp,
- char *basefilename)
-{
- tjhandle hnd=NULL, dhnd=NULL; unsigned char *jpegbuf=NULL;
- unsigned long size; int pfi, pf, i;
- size=(yuv==YUVENCODE? TJBUFSIZEYUV(w, h, subsamp):TJBUFSIZE(w, h));
- if((jpegbuf=(unsigned char *)malloc(size)) == NULL)
+void doTest(int w, int h, const int *formats, int nformats, int subsamp,
+ char *basename)
+{
+ tjhandle chandle=NULL, dhandle=NULL;
+ unsigned char *dstBuf=NULL;
+ unsigned long size=0; int pfi, pf, i;
+
+ if(!alloc)
{
- puts("ERROR: Could not allocate buffer."); bailout();
+ size=(yuv==YUVENCODE? TJBUFSIZEYUV(w, h, subsamp):TJBUFSIZE(w, h));
+ if((dstBuf=(unsigned char *)malloc(size))==NULL)
+ _throw("Memory allocation failure.");
}
- if((hnd=tjInitCompress())==NULL)
- {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr()); bailout();}
- if((dhnd=tjInitDecompress())==NULL)
- {printf("Error in tjInitDecompress():\n%s\n", tjGetErrorStr()); bailout();}
+ if((chandle=tjInitCompress())==NULL || (dhandle=tjInitDecompress())==NULL)
+ _throwtj();
for(pfi=0; pfi<nformats; pfi++)
{
@@ -495,110 +513,132 @@
if(i==1)
{
if(yuv==YUVDECODE) goto bailout;
- else flags|=TJ_BOTTOMUP;
+ else flags|=TJFLAG_BOTTOMUP;
}
pf=formats[pfi];
- gentestjpeg(hnd, jpegbuf, &size, w, h, pf, basefilename, subsamp, 100,
+ compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
flags);
- gentestbmp(dhnd, jpegbuf, size, w, h, pf, basefilename, subsamp, flags);
+ decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp,
+ flags);
}
}
bailout:
- if(hnd) tjDestroy(hnd);
- if(dhnd) tjDestroy(dhnd);
+ if(chandle) tjDestroy(chandle);
+ if(dhandle) tjDestroy(dhandle);
- if(jpegbuf) free(jpegbuf);
+ if(dstBuf) free(dstBuf);
}
-#define MAXLENGTH 2048
-void dotest1(void)
+void doTest1(void)
{
- int i, j, i2; unsigned char *bmpbuf=NULL, *jpgbuf=NULL;
- tjhandle hnd=NULL; unsigned long size;
- if((hnd=tjInitCompress())==NULL)
- {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr()); bailout();}
- printf("Buffer size regression test\n");
- for(j=1; j<48; j++)
- {
- for(i=1; i<(j==1?MAXLENGTH:48); i++)
- {
- if(i%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", i, j);
- if((bmpbuf=(unsigned char *)malloc(i*j*4))==NULL
- || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(i, j)))==NULL)
- {
- printf("Memory allocation failure\n"); bailout();
- }
- memset(bmpbuf, 0, i*j*4);
- for(i2=0; i2<i*j; i2++)
- {
- bmpbuf[i2*4]=pixels[i2%9][2];
- bmpbuf[i2*4+1]=pixels[i2%9][1];
- bmpbuf[i2*4+2]=pixels[i2%9][0];
- }
- _catch(tjCompress(hnd, bmpbuf, i, 0, j, 4,
- jpgbuf, &size, TJ_444, 100, TJ_BGR));
- free(bmpbuf); bmpbuf=NULL; free(jpgbuf); jpgbuf=NULL;
+ int w, h, i;
+ unsigned char *srcBuf=NULL, *jpegBuf=NULL;
+ tjhandle handle=NULL;
+ unsigned long jpegSize=0;
- if((bmpbuf=(unsigned char *)malloc(j*i*4))==NULL
- || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(j, i)))==NULL)
+ if((handle=tjInitCompress())==NULL) _throwtj();
+
+ printf("Buffer size regression test\n");
+ for(w=1; w<48; w++)
+ {
+ int maxh=(w==1)? 2048:48;
+ for(h=1; h<maxh; h++)
+ {
+ if(h%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
+ if((srcBuf=(unsigned char *)malloc(w*h*4))==NULL)
+ _throw("Memory allocation failure");
+ if(!alloc)
{
- printf("Memory allocation failure\n"); bailout();
+ if((jpegBuf=(unsigned char *)malloc(TJBUFSIZE(w, h)))==NULL)
+ _throw("Memory allocation failure");
+ jpegSize=TJBUFSIZE(w, h);
}
- for(i2=0; i2<j*i; i2++)
+ memset(srcBuf, 0, w*h*4);
+
+ for(i=0; i<w*h; i++) memcpy(srcBuf, &pixels[i%9], 3);
+
+ _tj(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &jpegBuf, &jpegSize,
+ TJSAMP_444, 100, alloc? 0:TJFLAG_NOREALLOC));
+ free(srcBuf); srcBuf=NULL;
+ free(jpegBuf); jpegBuf=NULL;
+
+ if((srcBuf=(unsigned char *)malloc(h*w*4))==NULL)
+ _throw("Memory allocation failure");
+ if(!alloc)
{
- if(i2%2==0) bmpbuf[i2*4]=bmpbuf[i2*4+1]=bmpbuf[i2*4+2]=0xFF;
- else bmpbuf[i2*4]=bmpbuf[i2*4+1]=bmpbuf[i2*4+2]=0;
+ if((jpegBuf=(unsigned char *)malloc(TJBUFSIZE(h, w)))==NULL)
+ _throw("Memory allocation failure");
+ jpegSize=TJBUFSIZE(h, w);
}
- _catch(tjCompress(hnd, bmpbuf, j, 0, i, 4,
- jpgbuf, &size, TJ_444, 100, TJ_BGR));
- free(bmpbuf); bmpbuf=NULL; free(jpgbuf); jpgbuf=NULL;
+
+ for(i=0; i<h*w; i++)
+ {
+ if(i%2==0) srcBuf[i*4]=srcBuf[i*4+1]=srcBuf[i*4+2]=0xFF;
+ else srcBuf[i*4]=srcBuf[i*4+1]=srcBuf[i*4+2]=0;
+ }
+ _tj(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &jpegBuf, &jpegSize,
+ TJSAMP_444, 100, alloc? 0:TJFLAG_NOREALLOC));
+ free(srcBuf); srcBuf=NULL;
+ free(jpegBuf); jpegBuf=NULL;
}
}
printf("Done. \n");
bailout:
- if(bmpbuf) free(bmpbuf); if(jpgbuf) free(jpgbuf);
- if(hnd) tjDestroy(hnd);
+ if(srcBuf) free(srcBuf);
+ if(jpegBuf) free(jpegBuf);
+ if(handle) tjDestroy(handle);
}
+
int main(int argc, char *argv[])
{
- int doyuv=0;
- if(argc>1 && !stricmp(argv[1], "-yuv")) doyuv=1;
- if(doyuv) yuv=YUVENCODE;
- dotest(35, 39, _3byteformats, 2, TJ_444, "test");
- dotest(39, 41, _4byteformats, 4, TJ_444, "test");
+ int doyuv=0, i;
+ if(argc>1)
+ {
+ for(i=1; i<argc; i++)
+ {
+ if(!strcasecmp(argv[i], "-yuv")) doyuv=1;
+ if(!strcasecmp(argv[i], "-alloc")) alloc=1;
+ if(!strncasecmp(argv[i], "-h", 2) || !strcasecmp(argv[i], "-?"))
+ usage(argv[0]);
+ }
+ }
+ if(alloc) printf("Testing automatic buffer allocation\n");
+ if(doyuv) {yuv=YUVENCODE; alloc=0;}
+ doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
+ doTest(39, 41, _4byteFormats, 4, TJSAMP_444, "test");
if(doyuv)
{
- dotest(41, 35, _3byteformats, 2, TJ_422, "test");
- dotest(35, 39, _4byteformats, 4, TJ_422, "test");
- dotest(39, 41, _3byteformats, 2, TJ_420, "test");
- dotest(41, 35, _4byteformats, 4, TJ_420, "test");
- dotest(35, 39, _3byteformats, 2, TJSAMP_440, "test");
- dotest(39, 41, _4byteformats, 4, TJSAMP_440, "test");
+ doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
+ doTest(35, 39, _4byteFormats, 4, TJSAMP_422, "test");
+ doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
+ doTest(41, 35, _4byteFormats, 4, TJSAMP_420, "test");
+ doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
+ doTest(39, 41, _4byteFormats, 4, TJSAMP_440, "test");
}
- dotest(35, 39, _onlygray, 1, TJ_GRAYSCALE, "test");
- dotest(39, 41, _3byteformats, 2, TJ_GRAYSCALE, "test");
- dotest(41, 35, _4byteformats, 4, TJ_GRAYSCALE, "test");
- if(!doyuv) dotest1();
+ doTest(35, 39, _onlyGray, 1, TJSAMP_GRAY, "test");
+ doTest(39, 41, _3byteFormats, 2, TJSAMP_GRAY, "test");
+ doTest(41, 35, _4byteFormats, 4, TJSAMP_GRAY, "test");
+ if(!doyuv) doTest1();
if(doyuv)
{
yuv=YUVDECODE;
- dotest(48, 48, _onlyrgb, 1, TJ_444, "test_yuv0");
- dotest(35, 39, _onlyrgb, 1, TJ_444, "test_yuv1");
- dotest(48, 48, _onlyrgb, 1, TJ_422, "test_yuv0");
- dotest(39, 41, _onlyrgb, 1, TJ_422, "test_yuv1");
- dotest(48, 48, _onlyrgb, 1, TJ_420, "test_yuv0");
- dotest(41, 35, _onlyrgb, 1, TJ_420, "test_yuv1");
- dotest(48, 48, _onlyrgb, 1, TJSAMP_440, "test_yuv0");
- dotest(35, 39, _onlyrgb, 1, TJSAMP_440, "test_yuv1");
- dotest(48, 48, _onlyrgb, 1, TJ_GRAYSCALE, "test_yuv0");
- dotest(35, 39, _onlyrgb, 1, TJ_GRAYSCALE, "test_yuv1");
- dotest(48, 48, _onlygray, 1, TJ_GRAYSCALE, "test_yuv0");
- dotest(39, 41, _onlygray, 1, TJ_GRAYSCALE, "test_yuv1");
+ doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
+ doTest(35, 39, _onlyRGB, 1, TJSAMP_444, "test_yuv1");
+ doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
+ doTest(39, 41, _onlyRGB, 1, TJSAMP_422, "test_yuv1");
+ doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
+ doTest(41, 35, _onlyRGB, 1, TJSAMP_420, "test_yuv1");
+ doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
+ doTest(35, 39, _onlyRGB, 1, TJSAMP_440, "test_yuv1");
+ doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
+ doTest(35, 39, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv1");
+ doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
+ doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test_yuv1");
}
- return exitstatus;
+ return exitStatus;
}
diff --git a/tjutil.c b/tjutil.c
new file mode 100644
index 0000000..3d31478
--- /dev/null
+++ b/tjutil.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C)2011 D. R. Commander. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the libjpeg-turbo Project nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef _WIN32
+
+#include <windows.h>
+
+static double getfreq(void)
+{
+ LARGE_INTEGER freq;
+ if(!QueryPerformanceFrequency(&freq)) return 0.0;
+ return (double)freq.QuadPart;
+}
+
+static double f=getfreq();
+
+double gettime(void)
+{
+ LARGE_INTEGER t;
+ if(f==0.0) return (double)GetTickCount()/1000.;
+ else
+ {
+ QueryPerformanceCounter(&t);
+ return (double)t.QuadPart/f;
+ }
+}
+
+#else
+
+#include <sys/time.h>
+
+double gettime(void)
+{
+ struct timeval tv;
+ if(gettimeofday(&tv, NULL)<0) return 0.0;
+ else return (double)tv.tv_sec+((double)tv.tv_usec/1000000.);
+}
+
+#endif
diff --git a/tjutil.h b/tjutil.h
new file mode 100644
index 0000000..5189caf
--- /dev/null
+++ b/tjutil.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C)2011 D. R. Commander. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the libjpeg-turbo Project nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef _WIN32
+ #ifndef __MINGW32__
+ #include <stdio.h>
+ #define snprintf(str, n, format, ...) \
+ _snprintf_s(str, n, _TRUNCATE, format, __VA_ARGS__)
+ #endif
+ #define strcasecmp stricmp
+ #define strncasecmp strnicmp
+#endif
+
+extern double gettime(void);