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flutter / third_party / libjpeg-turbo / 944aa8e3c4ea827c57d7bb9125f39611eb67ede1 / . / tjbench.c
blob: 26a1972c2081c6e3d04506288ab274a97acfce3a [file] [log] [blame]
/*
* Copyright (C)2009-2012 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include <cdjpeg.h>
#include "./bmp.h"
#include "./tjutil.h"
#include "./turbojpeg.h"
#define _throw(op, err) { \
printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \
retval=-1; goto bailout;}
#define _throwunix(m) _throw(m, strerror(errno))
#define _throwtj(m) _throw(m, tjGetErrorStr())
#define _throwbmp(m) _throw(m, bmpgeterr())
enum {YUVENCODE=1, YUVDECODE};
int flags=TJFLAG_NOREALLOC, decomponly=0, yuv=0, quiet=0, dotile=0,
pf=TJPF_BGR;
char *ext="ppm";
const char *pixFormatStr[TJ_NUMPF]=
{
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
};
const char *subNameLong[TJ_NUMSAMP]=
{
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
const char *subName[NUMSUBOPT]={"444", "422", "420", "GRAY", "440"};
tjscalingfactor *scalingfactors=NULL, sf={1, 1}; int nsf=0;
int xformop=TJXOP_NONE, xformopt=0;
int (*customFilter)(short *, tjregion, tjregion, int, int, tjtransform *);
double benchtime=5.0;
char *sigfig(double val, int figs, char *buf, int len)
{
char format[80];
int digitsafterdecimal=figs-(int)ceil(log10(fabs(val)));
if(digitsafterdecimal<1) snprintf(format, 80, "%%.0f");
else snprintf(format, 80, "%%.%df", digitsafterdecimal);
snprintf(buf, len, format, val);
return buf;
}
/* Custom DCT filter which produces a negative of the image */
int dummyDCTFilter(short *coeffs, tjregion arrayRegion, tjregion planeRegion,
int componentIndex, int transformIndex, tjtransform *transform)
{
int i;
for(i=0; i<arrayRegion.w*arrayRegion.h; i++) coeffs[i]=-coeffs[i];
return 0;
}
/* 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*scaledh);
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;
}
void dotestyuv(unsigned char *srcbuf, int w, int h, int subsamp,
char *filename)
{
char tempstr[1024], tempstr2[80];
FILE *file=NULL; tjhandle handle=NULL;
unsigned char *dstbuf=NULL;
double start, elapsed;
int i, retval=0, ps=tjPixelSize[pf];
int yuvsize=0;
yuvsize=tjBufSizeYUV(w, h, subsamp);
if((dstbuf=(unsigned char *)malloc(yuvsize)) == NULL)
_throwunix("allocating image buffer");
if(!quiet)
printf(">>>>> %s (%s) <--> YUV %s <<<<<\n", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp]);
if(quiet==1)
printf("%s\t%s\t%s\tN/A\t", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp]);
if((handle=tjInitCompress())==NULL)
_throwtj("executing tjInitCompress()");
/* Execute once to preload cache */
if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1)
_throwtj("executing tjEncodeYUV2()");
/* Benchmark */
for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
{
if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1)
_throwtj("executing tjEncodeYUV2()");
}
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet==1) printf("%-4d %-4d\t", w, h);
if(quiet)
{
printf("%s%c%s%c",
sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024),
quiet==2? '\n':'\t',
sigfig((double)(w*h*ps)/(double)yuvsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
else
{
printf("\n%s size: %d x %d\n", "Image", w, h);
printf("C--> Frame rate: %f fps\n", (double)i/elapsed);
printf(" Output image size: %d bytes\n", yuvsize);
printf(" Compression ratio: %f:1\n",
(double)(w*h*ps)/(double)yuvsize);
printf(" Source throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)i/elapsed);
printf(" Output bit stream: %f Megabits/sec\n",
(double)yuvsize*8./1000000.*(double)i/elapsed);
}
snprintf(tempstr, 1024, "%s_%s.yuv", filename, subName[subsamp]);
if((file=fopen(tempstr, "wb"))==NULL)
_throwunix("opening reference image");
if(fwrite(dstbuf, yuvsize, 1, file)!=1)
_throwunix("writing reference image");
fclose(file); file=NULL;
if(!quiet) printf("Reference image written to %s\n", tempstr);
bailout:
if(file) {fclose(file); file=NULL;}
if(dstbuf) {free(dstbuf); dstbuf=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
return;
}
void dotest(unsigned char *srcbuf, int w, int h, int subsamp, int jpegqual,
char *filename)
{
char tempstr[1024], tempstr2[80];
FILE *file=NULL; tjhandle handle=NULL;
unsigned char **jpegbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2;
double start, elapsed;
int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0;
unsigned long *jpegsize=NULL;
int ps=tjPixelSize[pf], ntilesw=1, ntilesh=1, pitch=w*ps;
if(yuv==YUVENCODE) {dotestyuv(srcbuf, w, h, subsamp, filename); return;}
if((tmpbuf=(unsigned char *)malloc(pitch*h)) == NULL)
_throwunix("allocating temporary image buffer");
if(!quiet)
printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp],
jpegqual);
for(tilew=dotile? 8:w, tileh=dotile? 8:h; ; tilew*=2, tileh*=2)
{
if(tilew>w) tilew=w; if(tileh>h) tileh=h;
ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
*ntilesw*ntilesh))==NULL)
_throwunix("allocating JPEG tile array");
memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
*ntilesw*ntilesh))==NULL)
_throwunix("allocating JPEG size array");
memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
if((flags&TJFLAG_NOREALLOC)!=0)
for(i=0; i<ntilesw*ntilesh; i++)
{
if((jpegbuf[i]=(unsigned char *)malloc(tjBufSize(tilew, tileh,
subsamp)))==NULL)
_throwunix("allocating JPEG tiles");
}
/* Compression test */
if(quiet==1)
printf("%s\t%s\t%s\t%d\t", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp], jpegqual);
for(i=0; i<h; i++)
memcpy(&tmpbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
if((handle=tjInitCompress())==NULL)
_throwtj("executing tjInitCompress()");
/* Execute once to preload cache */
if(tjCompress2(handle, srcbuf, tilew, pitch, tileh, pf, &jpegbuf[0],
&jpegsize[0], subsamp, jpegqual, flags)==-1)
_throwtj("executing tjCompress2()");
/* Benchmark */
for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
{
int tile=0;
totaljpegsize=0;
for(row=0, srcptr=srcbuf; row<ntilesh; row++, srcptr+=pitch*tileh)
{
for(col=0, srcptr2=srcptr; col<ntilesw; col++, tile++,
srcptr2+=ps*tilew)
{
int width=min(tilew, w-col*tilew);
int height=min(tileh, h-row*tileh);
if(tjCompress2(handle, srcptr2, width, pitch, height, pf,
&jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1)
_throwtj("executing tjCompress()2");
totaljpegsize+=jpegsize[tile];
}
}
}
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet==1) printf("%-4d %-4d\t", tilew, tileh);
if(quiet)
{
printf("%s%c%s%c",
sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024),
quiet==2? '\n':'\t',
sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
else
{
printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew,
tileh);
printf("C--> Frame rate: %f fps\n", (double)i/elapsed);
printf(" Output image size: %d bytes\n", totaljpegsize);
printf(" Compression ratio: %f:1\n",
(double)(w*h*ps)/(double)totaljpegsize);
printf(" Source throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)i/elapsed);
printf(" Output bit stream: %f Megabits/sec\n",
(double)totaljpegsize*8./1000000.*(double)i/elapsed);
}
if(tilew==w && tileh==h)
{
snprintf(tempstr, 1024, "%s_%s_Q%d.jpg", filename, subName[subsamp],
jpegqual);
if((file=fopen(tempstr, "wb"))==NULL)
_throwunix("opening reference image");
if(fwrite(jpegbuf[0], jpegsize[0], 1, file)!=1)
_throwunix("writing reference image");
fclose(file); file=NULL;
if(!quiet) printf("Reference image written to %s\n", tempstr);
}
/* Decompression test */
if(decomptest(srcbuf, jpegbuf, jpegsize, tmpbuf, w, h, subsamp, jpegqual,
filename, tilew, tileh)==-1)
goto bailout;
for(i=0; i<ntilesw*ntilesh; i++)
{
if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;
}
free(jpegbuf); jpegbuf=NULL;
free(jpegsize); jpegsize=NULL;
if(tilew==w && tileh==h) break;
}
bailout:
if(file) {fclose(file); file=NULL;}
if(jpegbuf)
{
for(i=0; i<ntilesw*ntilesh; i++)
{
if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;
}
free(jpegbuf); jpegbuf=NULL;
}
if(jpegsize) {free(jpegsize); jpegsize=NULL;}
if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
return;
}
void dodecomptest(char *filename)
{
FILE *file=NULL; tjhandle handle=NULL;
unsigned char **jpegbuf=NULL, *srcbuf=NULL;
unsigned long *jpegsize=NULL, srcsize, totaljpegsize;
tjtransform *t=NULL;
int w=0, h=0, subsamp=-1, _w, _h, _tilew, _tileh,
_ntilesw, _ntilesh, _subsamp;
char *temp=NULL, tempstr[80], tempstr2[80];
int row, col, i, tilew, tileh, ntilesw=1, ntilesh=1, retval=0;
double start, elapsed;
int ps=tjPixelSize[pf], tile;
if((file=fopen(filename, "rb"))==NULL)
_throwunix("opening file");
if(fseek(file, 0, SEEK_END)<0 || (srcsize=ftell(file))<0)
_throwunix("determining file size");
if((srcbuf=(unsigned char *)malloc(srcsize))==NULL)
_throwunix("allocating memory");
if(fseek(file, 0, SEEK_SET)<0)
_throwunix("setting file position");
if(fread(srcbuf, srcsize, 1, file)<1)
_throwunix("reading JPEG data");
fclose(file); file=NULL;
temp=strrchr(filename, '.');
if(temp!=NULL) *temp='\0';
if((handle=tjInitTransform())==NULL)
_throwtj("executing tjInitTransform()");
if(tjDecompressHeader2(handle, srcbuf, srcsize, &w, &h, &subsamp)==-1)
_throwtj("executing tjDecompressHeader2()");
if(quiet==1)
{
printf("All performance values in Mpixels/sec\n\n");
printf("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n",
dotile? "Tile ":"Image", dotile? "Tile ":"Image");
printf("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n\n");
}
else if(!quiet)
{
printf(">>>>> JPEG %s --> %s (%s) <<<<<\n", subNameLong[subsamp],
pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down");
}
for(tilew=dotile? 16:w, tileh=dotile? 16:h; ; tilew*=2, tileh*=2)
{
if(tilew>w) tilew=w; if(tileh>h) tileh=h;
ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
*ntilesw*ntilesh))==NULL)
_throwunix("allocating JPEG tile array");
memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
*ntilesw*ntilesh))==NULL)
_throwunix("allocating JPEG size array");
memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
if((flags&TJFLAG_NOREALLOC)!=0)
for(i=0; i<ntilesw*ntilesh; i++)
{
if((jpegbuf[i]=(unsigned char *)malloc(tjBufSize(tilew, tileh,
subsamp)))==NULL)
_throwunix("allocating JPEG tiles");
}
_w=w; _h=h; _tilew=tilew; _tileh=tileh;
if(!quiet)
{
printf("\n%s size: %d x %d", dotile? "Tile":"Image", _tilew,
_tileh);
if(sf.num!=1 || sf.denom!=1)
printf(" --> %d x %d", TJSCALED(_w, sf), TJSCALED(_h, sf));
printf("\n");
}
else if(quiet==1)
{
printf("%s\t%s\t%s\t", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp]);
printf("%-4d %-4d\t", tilew, tileh);
}
_subsamp=subsamp;
if(dotile || xformop!=TJXOP_NONE || xformopt!=0 || customFilter)
{
if((t=(tjtransform *)malloc(sizeof(tjtransform)*ntilesw*ntilesh))
==NULL)
_throwunix("allocating image transform array");
if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
|| xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
{
_w=h; _h=w; _tilew=tileh; _tileh=tilew;
}
if(xformopt&TJXOPT_GRAY) _subsamp=TJ_GRAYSCALE;
if(xformop==TJXOP_HFLIP || xformop==TJXOP_ROT180)
_w=_w-(_w%tjMCUWidth[_subsamp]);
if(xformop==TJXOP_VFLIP || xformop==TJXOP_ROT180)
_h=_h-(_h%tjMCUHeight[_subsamp]);
if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT90)
_w=_w-(_w%tjMCUHeight[_subsamp]);
if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT270)
_h=_h-(_h%tjMCUWidth[_subsamp]);
_ntilesw=(_w+_tilew-1)/_tilew;
_ntilesh=(_h+_tileh-1)/_tileh;
for(row=0, tile=0; row<_ntilesh; row++)
{
for(col=0; col<_ntilesw; col++, tile++)
{
t[tile].r.w=min(_tilew, _w-col*_tilew);
t[tile].r.h=min(_tileh, _h-row*_tileh);
t[tile].r.x=col*_tilew;
t[tile].r.y=row*_tileh;
t[tile].op=xformop;
t[tile].options=xformopt|TJXOPT_TRIM;
t[tile].customFilter=customFilter;
if(t[tile].options&TJXOPT_NOOUTPUT && jpegbuf[tile])
{
free(jpegbuf[tile]); jpegbuf[tile]=NULL;
}
}
}
start=gettime();
if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
jpegsize, t, flags)==-1)
_throwtj("executing tjTransform()");
elapsed=gettime()-start;
free(t); t=NULL;
for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
totaljpegsize+=jpegsize[tile];
if(quiet)
{
printf("%s%c%s%c",
sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
quiet==2? '\n':'\t',
sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
else if(!quiet)
{
printf("X--> Frame rate: %f fps\n", 1.0/elapsed);
printf(" Output image size: %lu bytes\n", totaljpegsize);
printf(" Compression ratio: %f:1\n",
(double)(w*h*ps)/(double)totaljpegsize);
printf(" Source throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000./elapsed);
printf(" Output bit stream: %f Megabits/sec\n",
(double)totaljpegsize*8./1000000./elapsed);
}
}
else
{
if(quiet==1) printf("N/A\tN/A\t");
jpegsize[0]=srcsize;
memcpy(jpegbuf[0], srcbuf, srcsize);
}
if(w==tilew) _tilew=_w;
if(h==tileh) _tileh=_h;
if(!(xformopt&TJXOPT_NOOUTPUT))
{
if(decomptest(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0,
filename, _tilew, _tileh)==-1)
goto bailout;
}
else if(quiet==1) printf("N/A\n");
for(i=0; i<ntilesw*ntilesh; i++)
{
free(jpegbuf[i]); jpegbuf[i]=NULL;
}
free(jpegbuf); jpegbuf=NULL;
if(jpegsize) {free(jpegsize); jpegsize=NULL;}
if(tilew==w && tileh==h) break;
}
bailout:
if(file) {fclose(file); file=NULL;}
if(jpegbuf)
{
for(i=0; i<ntilesw*ntilesh; i++)
{
if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;
}
free(jpegbuf); jpegbuf=NULL;
}
if(jpegsize) {free(jpegsize); jpegsize=NULL;}
if(srcbuf) {free(srcbuf); srcbuf=NULL;}
if(t) {free(t); t=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
return;
}
void usage(char *progname)
{
int i;
printf("USAGE: %s\n", progname);
printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
printf(" %s\n", progname);
printf(" <Inputfile (JPG)> [options]\n\n");
printf("Options:\n\n");
printf("-alloc = Dynamically allocate JPEG image buffers\n");
printf("-bmp = Generate output images in Windows Bitmap format (default=PPM)\n");
printf("-bottomup = Test bottom-up compression/decompression\n");
printf("-tile = Test performance of the codec when the image is encoded as separate\n");
printf(" tiles of varying sizes.\n");
printf("-forcemmx, -forcesse, -forcesse2, -forcesse3 =\n");
printf(" Force MMX, SSE, SSE2, or SSE3 code paths in the underlying codec\n");
printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
printf(" Test the specified color conversion path in the codec (default: BGR)\n");
printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
printf(" the underlying codec\n");
printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
printf(" codec\n");
printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
printf(" underlying codec\n");
printf("-quiet = Output results in tabular rather than verbose format\n");
printf("-yuvencode = Encode RGB input as planar YUV rather than compressing as JPEG\n");
printf("-yuvdecode = Decode JPEG image to planar YUV rather than RGB\n");
printf("-scale M/N = scale down the width/height of the decompressed JPEG image by a\n");
printf(" factor of M/N (M/N = ");
for(i=0; i<nsf; i++)
{
printf("%d/%d", scalingfactors[i].num, scalingfactors[i].denom);
if(nsf==2 && i!=nsf-1) printf(" or ");
else if(nsf>2)
{
if(i!=nsf-1) printf(", ");
if(i==nsf-2) printf("or ");
}
}
printf(")\n");
printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
printf(" Perform the corresponding lossless transform prior to\n");
printf(" decompression (these options are mutually exclusive)\n");
printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
printf(" test (can be combined with the other transforms above)\n");
printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\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);
}
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], "-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], "-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], "-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(!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;
}