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/*
* Copyright (C)2009-2011 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.
*/
/*
* This program tests the various code paths in the TurboJPEG C Wrapper
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "./tjutil.h"
#include "./turbojpeg.h"
#ifdef _WIN32
#include <time.h>
#define random() rand()
#endif
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 _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, alloc=0;
int exitStatus=0;
#define bailout() {exitStatus=-1; goto bailout;}
void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
{
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==TJPF_GRAY)
{
for(row=0; row<h; row++)
{
for(col=0; col<w; col++)
{
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;
}
}
}
else
{
for(row=0; row<h; row++)
{
for(col=0; col<w; col++)
{
if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
else index=row*w+col;
if(((row/8)+(col/8))%2==0)
{
if(row<halfway)
{
buf[index*ps+roffset]=255;
buf[index*ps+goffset]=255;
buf[index*ps+boffset]=255;
}
}
else
{
buf[index*ps+roffset]=255;
if(row>=halfway) buf[index*ps+goffset]=255;
}
}
}
}
}
#define checkval(v, cv) { \
if(v<cv-1 || v>cv+1) { \
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, 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, row, col, v); \
retval=0; exitStatus=-1; goto bailout; \
}}
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++)
{
for(col=0; col<w; col++)
{
unsigned char r, g, b;
if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
else index=row*w+col;
r=buf[index*ps+roffset];
g=buf[index*ps+goffset];
b=buf[index*ps+boffset];
if(((row/blocksize)+(col/blocksize))%2==0)
{
if(row<halfway)
{
checkval255(r); checkval255(g); checkval255(b);
}
else
{
checkval0(r); checkval0(g); checkval0(b);
}
}
else
{
if(subsamp==TJSAMP_GRAY)
{
if(row<halfway)
{
checkval(r, 76); checkval(g, 76); checkval(b, 76);
}
else
{
checkval(r, 226); checkval(g, 226); checkval(b, 226);
}
}
else
{
if(row<halfway)
{
checkval255(r); checkval0(g); checkval0(b);
}
else
{
checkval255(r); checkval255(g); checkval0(b);
}
}
}
}
}
bailout:
if(retval==0)
{
printf("\n");
for(row=0; row<h; row++)
{
for(col=0; col<w; col++)
{
printf("%.3d/%.3d/%.3d ", buf[(row*w+col)*ps+roffset],
buf[(row*w+col)*ps+goffset], buf[(row*w+col)*ps+boffset]);
}
printf("\n");
}
}
return retval;
}
#define PAD(v, p) ((v+(p)-1)&(~((p)-1)))
int checkBufYUV(unsigned char *buf, int w, int h, int subsamp)
{
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;
int halfway=16;
for(row=0; row<ph; row++)
{
for(col=0; col<pw; col++)
{
unsigned char y=buf[ypitch*row+col];
if(((row/8)+(col/8))%2==0)
{
if(row<halfway) checkval255(y) else checkval0(y);
}
else
{
if(row<halfway) checkval(y, 76) else checkval(y, 226);
}
}
}
if(subsamp!=TJSAMP_GRAY)
{
halfway=16/vsf;
for(row=0; row<ch; row++)
{
for(col=0; col<cw; col++)
{
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);
}
else
{
if(row<halfway)
{
checkval(u, 85); checkval255(v);
}
else
{
checkval0(u); checkval(v, 149);
}
}
}
}
}
bailout:
if(retval==0)
{
for(row=0; row<ph; row++)
{
for(col=0; col<pw; col++)
printf("%.3d ", buf[ypitch*row+col]);
printf("\n");
}
printf("\n");
for(row=0; row<ch; row++)
{
for(col=0; col<cw; col++)
printf("%.3d ", buf[ypitch*ph + (uvpitch*row+col)]);
printf("\n");
}
printf("\n");
for(row=0; row<ch; row++)
{
for(col=0; col<cw; col++)
printf("%.3d ", buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)]);
printf("\n");
}
printf("\n");
}
return retval;
}
void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize, char *filename)
{
FILE *file=fopen(filename, "wb");
if(!file || fwrite(jpegBuf, jpegSize, 1, file)!=1)
{
printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
bailout();
}
bailout:
if(file) fclose(file);
}
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 *srcBuf=NULL;
double t;
if(yuv==YUVENCODE)
printf("%s %s -> %s YUV ... ", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ", subNameLong[subsamp]);
else
printf("%s %s -> %s Q%d ... ", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ", subNameLong[subsamp],
jpegQual);
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=gettime();
if(yuv==YUVENCODE)
{
_tj(tjEncodeYUV2(handle, srcBuf, w, 0, h, pf, *dstBuf, subsamp, flags));
}
else
{
if(!alloc)
{
flags|=TJFLAG_NOREALLOC;
*dstSize=(yuv==YUVENCODE? tjBufSizeYUV(w, h, subsamp)
: tjBufSize(w, h, subsamp));
}
_tj(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
jpegQual, flags));
}
t=gettime()-t;
if(yuv==YUVENCODE)
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", basename,
pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subName[subsamp],
jpegQual);
writeJPEG(*dstBuf, *dstSize, tempStr);
if(yuv==YUVENCODE)
{
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);
bailout:
if(srcBuf) free(srcBuf);
}
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 *dstBuf=NULL;
int _hdrw=0, _hdrh=0, _hdrsubsamp=-1; double t;
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 ... ", subName[subsamp]);
else
{
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("... ");
}
_tj(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
&_hdrsubsamp));
if(_hdrw!=w || _hdrh!=h || _hdrsubsamp!=subsamp)
_throw("Incorrect JPEG header");
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=gettime();
if(yuv==YUVDECODE)
{
_tj(tjDecompressToYUV(handle, jpegBuf, jpegSize, dstBuf, flags));
}
else
{
_tj(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
scaledHeight, pf, flags));
}
t=gettime()-t;
if(yuv==YUVDECODE)
{
if(checkBufYUV(dstBuf, w, h, subsamp)) printf("Passed.");
else printf("FAILED!");
}
else
{
if(checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
printf("Passed.");
else printf("FAILED!");
}
printf(" %f ms\n", t*1000.);
bailout:
if(dstBuf) free(dstBuf);
}
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), sf1={1, 1};
if(!sf || !n) _throwtj();
if((subsamp==TJSAMP_444 || subsamp==TJSAMP_GRAY) && !yuv)
{
for(i=0; i<n; i++)
_decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
flags, sf[i]);
}
else
_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 *basename)
{
tjhandle chandle=NULL, dhandle=NULL;
unsigned char *dstBuf=NULL;
unsigned long size=0; int pfi, pf, i;
if(!alloc)
{
size=(yuv==YUVENCODE? tjBufSizeYUV(w, h, subsamp)
: tjBufSize(w, h, subsamp));
if((dstBuf=(unsigned char *)tjAlloc(size))==NULL)
_throw("Memory allocation failure.");
}
if((chandle=tjInitCompress())==NULL || (dhandle=tjInitDecompress())==NULL)
_throwtj();
for(pfi=0; pfi<nformats; pfi++)
{
for(i=0; i<2; i++)
{
int flags=0;
if(i==1)
{
if(yuv==YUVDECODE) goto bailout;
else flags|=TJFLAG_BOTTOMUP;
}
pf=formats[pfi];
compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
flags);
decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp,
flags);
}
}
bailout:
if(chandle) tjDestroy(chandle);
if(dhandle) tjDestroy(dhandle);
if(dstBuf) tjFree(dstBuf);
}
void bufSizeTest(void)
{
int w, h, i, subsamp;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
tjhandle handle=NULL;
unsigned long jpegSize=0;
if((handle=tjInitCompress())==NULL) _throwtj();
printf("Buffer size regression test\n");
for(subsamp=0; subsamp<TJ_NUMSAMP; subsamp++)
{
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)
{
if((jpegBuf=(unsigned char *)tjAlloc(tjBufSize(w, h, subsamp)))
==NULL)
_throw("Memory allocation failure");
jpegSize=tjBufSize(w, h, subsamp);
}
for(i=0; i<w*h*4; i++)
{
if(random()<RAND_MAX/2) srcBuf[i]=0;
else srcBuf[i]=255;
}
_tj(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &jpegBuf,
&jpegSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
free(srcBuf); srcBuf=NULL;
tjFree(jpegBuf); jpegBuf=NULL;
if((srcBuf=(unsigned char *)malloc(h*w*4))==NULL)
_throw("Memory allocation failure");
if(!alloc)
{
if((jpegBuf=(unsigned char *)tjAlloc(tjBufSize(h, w, subsamp)))
==NULL)
_throw("Memory allocation failure");
jpegSize=tjBufSize(h, w, subsamp);
}
for(i=0; i<h*w*4; i++)
{
if(random()<RAND_MAX/2) srcBuf[i]=0;
else srcBuf[i]=255;
}
_tj(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &jpegBuf,
&jpegSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
free(srcBuf); srcBuf=NULL;
tjFree(jpegBuf); jpegBuf=NULL;
}
}
}
printf("Done. \n");
bailout:
if(srcBuf) free(srcBuf);
if(jpegBuf) free(jpegBuf);
if(handle) tjDestroy(handle);
}
int main(int argc, char *argv[])
{
int doyuv=0, i;
#ifdef _WIN32
srand((unsigned int)time(NULL));
#endif
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, 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, TJSAMP_GRAY, "test");
doTest(39, 41, _3byteFormats, 2, TJSAMP_GRAY, "test");
doTest(41, 35, _4byteFormats, 4, TJSAMP_GRAY, "test");
if(!doyuv) bufSizeTest();
if(doyuv)
{
yuv=YUVDECODE;
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;
}
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