/* Decompression test */
int decomptest(unsigned char *srcbuf, unsigned char **jpegbuf,
unsigned long *jpegsize, unsigned char *dstbuf, int w, int h,
int subsamp, int jpegqual, char *filename, int tilew, int tileh)
{
char tempstr[1024], sizestr[20]="\0", qualstr[6]="\0", *ptr;
FILE *file=NULL; tjhandle handle=NULL;
int row, col, i, dstbufalloc=0, retval=0;
double start, elapsed;
int ps=tjPixelSize[pf];
int yuvsize=tjBufSizeYUV(w, h, subsamp), bufsize;
int scaledw=(yuv==YUVDECODE)? w : TJSCALED(w, sf);
int scaledh=(yuv==YUVDECODE)? h : TJSCALED(h, sf);
int pitch=scaledw*ps;
int ntilesw=(w+tilew-1)/tilew, ntilesh=(h+tileh-1)/tileh;
unsigned char *dstptr, *dstptr2;
if(jpegqual>0)
{
snprintf(qualstr, 6, "_Q%d", jpegqual);
qualstr[5]=0;
}
if((handle=tjInitDecompress())==NULL)
_throwtj("executing tjInitDecompress()");
bufsize=(yuv==YUVDECODE? yuvsize:pitch*h);
if(dstbuf==NULL)
{
if((dstbuf=(unsigned char *)malloc(bufsize)) == NULL)
_throwunix("allocating image buffer");
dstbufalloc=1;
}
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
memset(dstbuf, 127, bufsize);
/* Execute once to preload cache */
if(yuv==YUVDECODE)
{
if(tjDecompressToYUV(handle, jpegbuf[0], jpegsize[0], dstbuf, flags)==-1)
_throwtj("executing tjDecompressToYUV()");
}
else if(tjDecompress2(handle, jpegbuf[0], jpegsize[0], dstbuf, scaledw,
pitch, scaledh, pf, flags)==-1)
_throwtj("executing tjDecompress2()");
/* Benchmark */
for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
{
int tile=0;
if(yuv==YUVDECODE)
{
if(tjDecompressToYUV(handle, jpegbuf[0], jpegsize[0], dstbuf, flags)==-1)
_throwtj("executing tjDecompressToYUV()");
}
else for(row=0, dstptr=dstbuf; row<ntilesh; row++, dstptr+=pitch*tileh)
{
for(col=0, dstptr2=dstptr; col<ntilesw; col++, tile++, dstptr2+=ps*tilew)
{
int width=dotile? min(tilew, w-col*tilew):scaledw;
int height=dotile? min(tileh, h-row*tileh):scaledh;
if(tjDecompress2(handle, jpegbuf[tile], jpegsize[tile], dstptr2, width,
pitch, height, pf, flags)==-1)
_throwtj("executing tjDecompress2()");
}
}
}
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet)
{
printf("%s\n",
sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024));
}
else
{
printf("D--> Frame rate: %f fps\n", (double)i/elapsed);
printf(" Dest. throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)i/elapsed);
}
if(yuv==YUVDECODE)
{
snprintf(tempstr, 1024, "%s_%s%s.yuv", filename, subName[subsamp],
qualstr);
if((file=fopen(tempstr, "wb"))==NULL)
_throwunix("opening YUV image for output");
if(fwrite(dstbuf, yuvsize, 1, file)!=1)
_throwunix("writing YUV image");
fclose(file); file=NULL;
}
else
{
if(sf.num!=1 || sf.denom!=1)
snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom);
else if(tilew!=w || tileh!=h)
snprintf(sizestr, 20, "%dx%d", tilew, tileh);
else snprintf(sizestr, 20, "full");
if(decomponly)
snprintf(tempstr, 1024, "%s_%s.%s", filename, sizestr, ext);
else
snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp],
qualstr, sizestr, ext);
if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
ptr=strrchr(tempstr, '.');
snprintf(ptr, 1024-(ptr-tempstr), "-err.%s", ext);
if(srcbuf && sf.num==1 && sf.denom==1)
{
if(!quiet) printf("Compression error written to %s.\n", tempstr);
if(subsamp==TJ_GRAYSCALE)
{
int index, index2;
for(row=0, index=0; row<h; row++, index+=pitch)
{
for(col=0, index2=index; col<w; col++, index2+=ps)
{
int rindex=index2+tjRedOffset[pf];
int gindex=index2+tjGreenOffset[pf];
int bindex=index2+tjBlueOffset[pf];
int y=(int)((double)srcbuf[rindex]*0.299
+ (double)srcbuf[gindex]*0.587
+ (double)srcbuf[bindex]*0.114 + 0.5);
if(y>255) y=255; if(y<0) y=0;
dstbuf[rindex]=abs(dstbuf[rindex]-y);
dstbuf[gindex]=abs(dstbuf[gindex]-y);
dstbuf[bindex]=abs(dstbuf[bindex]-y);
}
}
}
else
{
for(row=0; row<h; row++)
for(col=0; col<w*ps; col++)
dstbuf[pitch*row+col]
=abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
}
if(savebmp(tempstr, dstbuf, w, h, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
}
}
bailout:
if(file) {fclose(file); file=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
if(dstbuf && dstbufalloc) {free(dstbuf); dstbuf=NULL;}
return retval;
}
int main(int argc, char *argv[])
{
unsigned char *srcbuf=NULL; int w=0, h=0, i, j;
int minqual=-1, maxqual=-1; char *temp;
int minarg=2, retval=0, subsamp=-1;
if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0)
_throwtj("executing tjGetScalingFactors()");
if(argc<minarg) usage(argv[0]);
temp=strrchr(argv[1], '.');
if(temp!=NULL)
{
if(!strcasecmp(temp, ".bmp")) ext="bmp";
if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1;
}
printf("\n");
if(!decomponly)
{
minarg=3;
if(argc<minarg) usage(argv[0]);
if((minqual=atoi(argv[2]))<1 || minqual>100)
{
puts("ERROR: Quality must be between 1 and 100.");
exit(1);
}
if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
&& sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1
&& maxqual<=100) {}
else maxqual=minqual;
}
if(argc>minarg)
{
for(i=minarg; i<argc; i++)
{
if(!strcasecmp(argv[i], "-tile"))
{
dotile=1; xformopt|=TJXOPT_CROP;
}
if(!strcasecmp(argv[i], "-fastupsample"))
{
printf("Using fast upsampling code\n\n");
flags|=TJFLAG_FASTUPSAMPLE;
}
if(!strcasecmp(argv[i], "-fastdct"))
{
printf("Using fastest DCT/IDCT algorithm\n\n");
flags|=TJFLAG_FASTDCT;
}
if(!strcasecmp(argv[i], "-accuratedct"))
{
printf("Using most accurate DCT/IDCT algorithm\n\n");
flags|=TJFLAG_ACCURATEDCT;
}
if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB;
if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX;
if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR;
if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX;
if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR;
if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB;
if(!strcasecmp(argv[i], "-cmyk")) pf=TJPF_CMYK;
if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP;
if(!strcasecmp(argv[i], "-quiet")) quiet=1;
if(!strcasecmp(argv[i], "-qq")) quiet=2;
if(!strcasecmp(argv[i], "-scale") && i<argc-1)
{
int temp1=0, temp2=0, match=0;
if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2)
{
for(j=0; j<nsf; j++)
{
if((double)temp1/(double)temp2
== (double)scalingfactors[j].num/(double)scalingfactors[j].denom)
{
sf=scalingfactors[j];
match=1; break;
}
}
if(!match) usage(argv[0]);
}
else usage(argv[0]);
}
if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP;
if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP;
if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE;
if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE;
if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90;
if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180;
if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270;
if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY;
if(!strcasecmp(argv[i], "-custom")) customFilter=dummyDCTFilter;
if(!strcasecmp(argv[i], "-nooutput")) xformopt|=TJXOPT_NOOUTPUT;
if(!strcasecmp(argv[i], "-benchtime") && i<argc-1)
{
double temp=atof(argv[++i]);
if(temp>0.0) benchtime=temp;
else usage(argv[0]);
}
if(!strcasecmp(argv[i], "-warmup") && i<argc-1)
{
int temp=atoi(argv[++i]);
if(temp>=0)
{
warmup=temp;
printf("Warmup runs = %d\n\n", warmup);
}
else usage(argv[0]);
}
if(!strcmp(argv[i], "-?")) usage(argv[0]);
if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
if(!strcasecmp(argv[i], "-yuv"))
{
printf("Testing YUV planar encoding/decoding\n\n");
doyuv=1;
}
if(!strcasecmp(argv[i], "-yuvpad") && i<argc-1)
{
int temp=atoi(argv[++i]);
if(temp>=1) yuvpad=temp;
}
if(!strcasecmp(argv[i], "-subsamp") && i<argc-1)
{
i++;
if(toupper(argv[i][0])=='G') subsamp=TJSAMP_GRAY;
else
{
int temp=atoi(argv[i]);
switch(temp)
{
case 444: subsamp=TJSAMP_444; break;
case 422: subsamp=TJSAMP_422; break;
case 440: subsamp=TJSAMP_440; break;
case 420: subsamp=TJSAMP_420; break;
case 411: subsamp=TJSAMP_411; break;
}
}
}
if(!strcasecmp(argv[i], "-componly")) componly=1;
}
}
if((sf.num!=1 || sf.denom!=1) && dotile)
{
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
printf("work when scaled decompression is enabled.\n");
dotile=0;
}
if((flags&TJFLAG_NOREALLOC)==0 && dotile)
{
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
dotile=0;
}
if(!decomponly)
{
if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("loading bitmap");
temp=strrchr(argv[1], '.');
if(temp!=NULL) *temp='\0';
}
if(quiet==1 && !decomponly)
{
printf("All performance values in Mpixels/sec\n\n");
printf("Bitmap JPEG JPEG %s %s ",
dotile? "Tile ":"Image", dotile? "Tile ":"Image");
if(doyuv) printf("Encode ");
printf("Comp Comp Decomp ");
if(doyuv) printf("Decode");
printf("\n");
printf("Format Subsamp Qual Width Height ");
if(doyuv) printf("Perf ");
printf("Perf Ratio Perf ");
if(doyuv) printf("Perf");
printf("\n\n");
}
if(decomponly)
{
decompTest(argv[1]);
printf("\n");
goto bailout;
}
if(subsamp>=0 && subsamp<TJ_NUMSAMP)
{
for(i=maxqual; i>=minqual; i--)
fullTest(srcbuf, w, h, subsamp, i, argv[1]);
printf("\n");
}
else
{
if(pf!=TJPF_CMYK)
{
for(i=maxqual; i>=minqual; i--)
fullTest(srcbuf, w, h, TJSAMP_GRAY, i, argv[1]);
printf("\n");
}
for(i=maxqual; i>=minqual; i--)
fullTest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
printf("\n");
for(i=maxqual; i>=minqual; i--)
fullTest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
printf("\n");
for(i=maxqual; i>=minqual; i--)
fullTest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
printf("\n");
}
bailout:
if(srcbuf) free(srcbuf);
return retval;
}
int main(int argc, char *argv[])
{
unsigned char *srcbuf=NULL; int w, h, i, j;
int minqual=-1, maxqual=-1; char *temp;
int minarg=2; int retval=0;
if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0)
_throwtj("executing tjGetScalingFactors()");
if(argc<minarg) usage(argv[0]);
temp=strrchr(argv[1], '.');
if(temp!=NULL)
{
if(!strcasecmp(temp, ".bmp")) ext="bmp";
if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1;
}
printf("\n");
if(argc>minarg)
{
for(i=minarg; i<argc; i++)
{
if(!strcasecmp(argv[i], "-yuvencode"))
{
printf("Testing YUV planar encoding\n\n");
yuv=YUVENCODE; maxqual=minqual=100;
}
if(!strcasecmp(argv[i], "-yuvdecode"))
{
printf("Testing YUV planar decoding\n\n");
yuv=YUVDECODE;
}
}
}
if(!decomponly && yuv!=YUVENCODE)
{
minarg=3;
if(argc<minarg) usage(argv[0]);
if((minqual=atoi(argv[2]))<1 || minqual>100)
{
puts("ERROR: Quality must be between 1 and 100.");
exit(1);
}
if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
&& sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1
&& maxqual<=100) {}
else maxqual=minqual;
}
if(argc>minarg)
{
for(i=minarg; i<argc; i++)
{
if(!strcasecmp(argv[i], "-tile"))
{
dotile=1; xformopt|=TJXOPT_CROP;
}
if(!strcasecmp(argv[i], "-forcesse3"))
{
printf("Forcing SSE3 code\n\n");
flags|=TJFLAG_FORCESSE3;
}
if(!strcasecmp(argv[i], "-forcesse2"))
{
printf("Forcing SSE2 code\n\n");
flags|=TJFLAG_FORCESSE2;
}
if(!strcasecmp(argv[i], "-forcesse"))
{
printf("Forcing SSE code\n\n");
flags|=TJFLAG_FORCESSE;
}
if(!strcasecmp(argv[i], "-forcemmx"))
{
printf("Forcing MMX code\n\n");
flags|=TJFLAG_FORCEMMX;
}
if(!strcasecmp(argv[i], "-fastupsample"))
{
printf("Using fast upsampling code\n\n");
flags|=TJFLAG_FASTUPSAMPLE;
}
if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB;
if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX;
if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR;
if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX;
if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR;
if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB;
if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP;
if(!strcasecmp(argv[i], "-quiet")) quiet=1;
if(!strcasecmp(argv[i], "-qq")) quiet=2;
if(!strcasecmp(argv[i], "-scale") && i<argc-1)
{
int temp1=0, temp2=0, match=0;
if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2)
{
for(j=0; j<nsf; j++)
{
if(temp1==scalingfactors[j].num && temp2==scalingfactors[j].denom)
{
sf=scalingfactors[j];
match=1; break;
}
}
if(!match) usage(argv[0]);
}
else usage(argv[0]);
}
if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP;
if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP;
if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE;
if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE;
if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90;
if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180;
if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270;
if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY;
if(!strcasecmp(argv[i], "-benchtime") && i<argc-1)
{
double temp=atof(argv[++i]);
if(temp>0.0) benchtime=temp;
else usage(argv[0]);
}
if(!strcmp(argv[i], "-?")) usage(argv[0]);
if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
}
}
if((sf.num!=1 || sf.denom!=1) && dotile)
{
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
printf("work when scaled decompression is enabled.\n");
dotile=0;
}
if(yuv && dotile)
{
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
printf("work when YUV encoding or decoding is enabled.\n\n");
dotile=0;
}
if(!decomponly)
{
if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("loading bitmap");
temp=strrchr(argv[1], '.');
if(temp!=NULL) *temp='\0';
}
if(quiet==1 && !decomponly)
{
printf("All performance values in Mpixels/sec\n\n");
printf("Bitmap\tBitmap\tJPEG\tJPEG\t%s %s \tComp\tComp\tDecomp\n",
dotile? "Tile ":"Image", dotile? "Tile ":"Image");
printf("Format\tOrder\tSubsamp\tQual\tWidth Height\tPerf \tRatio\tPerf\n\n");
}
if(decomponly)
{
dodecomptest(argv[1]);
printf("\n");
goto bailout;
}
for(i=maxqual; i>=minqual; i--)
dotest(srcbuf, w, h, TJ_GRAYSCALE, i, argv[1]);
printf("\n");
for(i=maxqual; i>=minqual; i--)
dotest(srcbuf, w, h, TJ_420, i, argv[1]);
printf("\n");
for(i=maxqual; i>=minqual; i--)
dotest(srcbuf, w, h, TJ_422, i, argv[1]);
printf("\n");
for(i=maxqual; i>=minqual; i--)
dotest(srcbuf, w, h, TJ_444, i, argv[1]);
printf("\n");
bailout:
if(srcbuf) free(srcbuf);
return retval;
}
/* Decompression test */
int decomp(unsigned char *srcbuf, unsigned char **jpegbuf,
unsigned long *jpegsize, unsigned char *dstbuf, int w, int h,
int subsamp, int jpegqual, char *filename, int tilew, int tileh)
{
char tempstr[1024], sizestr[20]="\0", qualstr[6]="\0", *ptr;
FILE *file=NULL; tjhandle handle=NULL;
int row, col, iter=0, dstbufalloc=0, retval=0;
double elapsed, elapsedDecode;
int ps=tjPixelSize[pf];
int scaledw=TJSCALED(w, sf);
int scaledh=TJSCALED(h, sf);
int pitch=scaledw*ps;
int ntilesw=(w+tilew-1)/tilew, ntilesh=(h+tileh-1)/tileh;
unsigned char *dstptr, *dstptr2, *yuvbuf=NULL;
if(jpegqual>0)
{
snprintf(qualstr, 6, "_Q%d", jpegqual);
qualstr[5]=0;
}
if((handle=tjInitDecompress())==NULL)
_throwtj("executing tjInitDecompress()");
if(dstbuf==NULL)
{
if((dstbuf=(unsigned char *)malloc(pitch*scaledh))==NULL)
_throwunix("allocating destination buffer");
dstbufalloc=1;
}
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
memset(dstbuf, 127, pitch*scaledh);
if(doyuv)
{
int width=dotile? tilew:scaledw;
int height=dotile? tileh:scaledh;
int yuvsize=tjBufSizeYUV2(width, yuvpad, height, subsamp);
if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
_throwunix("allocating YUV buffer");
memset(yuvbuf, 127, yuvsize);
}
/* Benchmark */
iter=-warmup;
elapsed=elapsedDecode=0.;
while(1)
{
int tile=0;
double start=gettime();
for(row=0, dstptr=dstbuf; row<ntilesh; row++, dstptr+=pitch*tileh)
{
for(col=0, dstptr2=dstptr; col<ntilesw; col++, tile++, dstptr2+=ps*tilew)
{
int width=dotile? min(tilew, w-col*tilew):scaledw;
int height=dotile? min(tileh, h-row*tileh):scaledh;
if(doyuv)
{
double startDecode;
if(tjDecompressToYUV2(handle, jpegbuf[tile], jpegsize[tile], yuvbuf,
width, yuvpad, height, flags)==-1)
_throwtj("executing tjDecompressToYUV2()");
startDecode=gettime();
if(tjDecodeYUV(handle, yuvbuf, yuvpad, subsamp, dstptr2, width,
pitch, height, pf, flags)==-1)
_throwtj("executing tjDecodeYUV()");
if(iter>=0) elapsedDecode+=gettime()-startDecode;
}
else
if(tjDecompress2(handle, jpegbuf[tile], jpegsize[tile], dstptr2,
width, pitch, height, pf, flags)==-1)
_throwtj("executing tjDecompress2()");
}
}
iter++;
if(iter>=1)
{
elapsed+=gettime()-start;
if(elapsed>=benchtime) break;
}
}
if(doyuv) elapsed-=elapsedDecode;
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet)
{
printf("%-6s%s",
sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4, tempstr, 1024),
quiet==2? "\n":" ");
if(doyuv)
printf("%s\n",
sigfig((double)(w*h)/1000000.*(double)iter/elapsedDecode, 4, tempstr,
1024));
else if(quiet!=2) printf("\n");
}
else
{
printf("%s --> Frame rate: %f fps\n",
doyuv? "Decomp to YUV":"Decompress ", (double)iter/elapsed);
printf(" Throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)iter/elapsed);
if(doyuv)
{
printf("YUV Decode --> Frame rate: %f fps\n",
(double)iter/elapsedDecode);
printf(" Throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)iter/elapsedDecode);
}
}
if(sf.num!=1 || sf.denom!=1)
snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom);
else if(tilew!=w || tileh!=h)
snprintf(sizestr, 20, "%dx%d", tilew, tileh);
else snprintf(sizestr, 20, "full");
if(decomponly)
snprintf(tempstr, 1024, "%s_%s.%s", filename, sizestr, ext);
else
snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp],
qualstr, sizestr, ext);
if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
ptr=strrchr(tempstr, '.');
snprintf(ptr, 1024-(ptr-tempstr), "-err.%s", ext);
if(srcbuf && sf.num==1 && sf.denom==1)
{
if(!quiet) printf("Compression error written to %s.\n", tempstr);
if(subsamp==TJ_GRAYSCALE)
{
int index, index2;
for(row=0, index=0; row<h; row++, index+=pitch)
{
for(col=0, index2=index; col<w; col++, index2+=ps)
{
int rindex=index2+tjRedOffset[pf];
int gindex=index2+tjGreenOffset[pf];
int bindex=index2+tjBlueOffset[pf];
int y=(int)((double)srcbuf[rindex]*0.299
+ (double)srcbuf[gindex]*0.587
+ (double)srcbuf[bindex]*0.114 + 0.5);
if(y>255) y=255; if(y<0) y=0;
dstbuf[rindex]=abs(dstbuf[rindex]-y);
dstbuf[gindex]=abs(dstbuf[gindex]-y);
dstbuf[bindex]=abs(dstbuf[bindex]-y);
}
}
}
else
{
for(row=0; row<h; row++)
for(col=0; col<w*ps; col++)
dstbuf[pitch*row+col]
=abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
}
if(savebmp(tempstr, dstbuf, w, h, pf,
(flags&TJFLAG_BOTTOMUP)!=0)==-1)
_throwbmp("saving bitmap");
}
bailout:
if(file) fclose(file);
if(handle) tjDestroy(handle);
if(dstbuf && dstbufalloc) free(dstbuf);
if(yuvbuf) free(yuvbuf);
return retval;
}
