From 3a3438c6a9283d723e128d5f2647336649332b85 Mon Sep 17 00:00:00 2001
From: dcommander <dcommander@632fc199-4ca6-4c93-a231-07263d6284db>
Date: Mon, 7 Feb 2011 08:06:16 +0000
Subject: Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler

git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@354 632fc199-4ca6-4c93-a231-07263d6284db
---
 jpgtest.c | 574 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 574 insertions(+)
 create mode 100644 jpgtest.c

(limited to 'jpgtest.c')

diff --git a/jpgtest.c b/jpgtest.c
new file mode 100644
index 0000000..6ec507a
--- /dev/null
+++ b/jpgtest.c
@@ -0,0 +1,574 @@
+/* Copyright (C)2004 Landmark Graphics Corporation
+ * Copyright (C)2005, 2006 Sun Microsystems, Inc.
+ * Copyright (C)2009-2011 D. R. Commander
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <errno.h>
+#include "./bmp.h"
+#include "./rrutil.h"
+#include "./rrtimer.h"
+#include "./turbojpeg.h"
+
+#define _throw(op, err) {  \
+	printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err);  goto bailout;}
+#define _throwunix(m) _throw(m, strerror(errno))
+#define _throwtj(m) _throw(m, tjGetErrorStr())
+#define _throwbmp(m) _throw(m, bmpgeterr())
+
+#define PAD(v, p) ((v+(p)-1)&(~((p)-1)))
+
+enum {YUVENCODE=1, YUVDECODE};
+int forcemmx=0, forcesse=0, forcesse2=0, forcesse3=0, fastupsample=0,
+	decomponly=0, yuv=0;
+const int _ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4};
+const int _flags[BMPPIXELFORMATS]={0, 0, TJ_BGR, TJ_BGR,
+	TJ_BGR|TJ_ALPHAFIRST, TJ_ALPHAFIRST};
+const int _rindex[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1};
+const int _gindex[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2};
+const int _bindex[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3};
+const char *_pfname[]={"RGB", "RGBA", "BGR", "BGRA", "ABGR", "ARGB"};
+const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"};
+const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"};
+const int _hsf[NUMSUBOPT]={1, 2, 2, 1};
+const int _vsf[NUMSUBOPT]={1, 1, 2, 1};
+
+void printsigfig(double val, int figs)
+{
+	char format[80];
+	double _l=log10(val);  int l;
+	if(_l<0.)
+	{
+		l=(int)fabs(_l);
+		sprintf(format, "%%%d.%df", figs+l+2, figs+l);
+	}
+	else
+	{
+		l=(int)_l+1;
+		if(figs<=l) sprintf(format, "%%.0f");
+		else sprintf(format, "%%%d.%df", figs+1, figs-l);
+	}	
+	printf(format, val);
+}
+
+void dotest(unsigned char *srcbuf, int w, int h, int pf, int bu,
+	int jpegsub, int qual, char *filename, int dotile, int useppm, int quiet)
+{
+	char tempstr[1024];
+	FILE *outfile=NULL;  tjhandle hnd;
+	unsigned char **jpegbuf=NULL, *rgbbuf=NULL;
+	double start, elapsed;
+	int jpgbufsize=0, i, j, tilesizex, tilesizey, numtilesx, numtilesy, ITER;
+	unsigned long *comptilesize=NULL;
+	int flags=(forcemmx?TJ_FORCEMMX:0)|(forcesse?TJ_FORCESSE:0)
+		|(forcesse2?TJ_FORCESSE2:0)|(forcesse3?TJ_FORCESSE3:0)
+		|(fastupsample?TJ_FASTUPSAMPLE:0);
+	int ps=_ps[pf], tilen;
+	int pitch=w*ps, yuvsize;
+	int hsf=_hsf[jpegsub], vsf=_vsf[jpegsub];
+	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);
+
+	flags |= _flags[pf];
+	if(bu) flags |= TJ_BOTTOMUP;
+	if(yuv==YUVENCODE) flags |= TJ_YUV;
+
+	yuvsize=ypitch*ph + (jpegsub==TJ_GRAYSCALE? 0:uvpitch*ch*2);
+	if((rgbbuf=(unsigned char *)malloc(max(yuvsize, pitch*h))) == NULL)
+		_throwunix("allocating image buffer");
+
+	if(!quiet)
+	{
+		if(yuv==YUVENCODE)
+			printf("\n>>>>>  %s (%s) <--> YUV %s  <<<<<\n", _pfname[pf],
+				bu?"Bottom-up":"Top-down", _subnamel[jpegsub]);
+		else
+			printf("\n>>>>>  %s (%s) <--> JPEG %s Q%d  <<<<<\n", _pfname[pf],
+				bu?"Bottom-up":"Top-down", _subnamel[jpegsub], qual);
+	}
+	if(yuv==YUVDECODE) dotile=0;
+	if(dotile) {tilesizex=tilesizey=4;}  else {tilesizex=w;  tilesizey=h;}
+
+	do
+	{
+		tilesizex*=2;  if(tilesizex>w) tilesizex=w;
+		tilesizey*=2;  if(tilesizey>h) tilesizey=h;
+		numtilesx=(w+tilesizex-1)/tilesizex;
+		numtilesy=(h+tilesizey-1)/tilesizey;
+		if((comptilesize=(unsigned long *)malloc(sizeof(unsigned long)*numtilesx*numtilesy)) == NULL
+		|| (jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)*numtilesx*numtilesy)) == NULL)
+			_throwunix("allocating image buffers");
+		memset(jpegbuf, 0, sizeof(unsigned char *)*numtilesx*numtilesy);
+		for(i=0; i<numtilesx*numtilesy; i++)
+		{
+			if((jpegbuf[i]=(unsigned char *)malloc(TJBUFSIZE(tilesizex, tilesizey))) == NULL)
+				_throwunix("allocating image buffers");
+		}
+
+		// Compression test
+		if(quiet) printf("%s\t%s\t%s\t%d\t",  _pfname[pf], bu?"BU":"TD",
+			_subnamel[jpegsub], qual);
+		for(i=0; i<h; i++) memcpy(&rgbbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
+		if((hnd=tjInitCompress())==NULL)
+			_throwtj("executing tjInitCompress()");
+		if(tjCompress(hnd, rgbbuf, tilesizex, pitch, tilesizey, ps,
+			jpegbuf[0], &comptilesize[0], jpegsub, qual, flags)==-1)
+			_throwtj("executing tjCompress()");
+		ITER=0;
+		start=rrtime();
+		do
+		{
+			jpgbufsize=0;  tilen=0;
+			for(i=0; i<h; i+=tilesizey)
+			{
+				for(j=0; j<w; j+=tilesizex)
+				{
+					int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i);
+					if(tjCompress(hnd, &rgbbuf[pitch*i+j*ps], tempw, pitch,
+						temph, ps, jpegbuf[tilen], &comptilesize[tilen], jpegsub, qual,
+						flags)==-1)
+						_throwtj("executing tjCompress()");
+					jpgbufsize+=comptilesize[tilen];
+					tilen++;
+				}
+			}
+			ITER++;
+		} while((elapsed=rrtime()-start)<5.);
+		if(tjDestroy(hnd)==-1) _throwtj("executing tjDestroy()");
+		hnd=NULL;
+		if(quiet)
+		{
+			if(tilesizex==w && tilesizey==h) printf("Full     \t");
+			else printf("%-4d %-4d\t", tilesizex, tilesizey);
+			printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
+			printf("\t");
+			printsigfig((double)(w*h*ps)/(double)jpgbufsize, 4);
+			printf("\t");
+		}
+		else
+		{
+			if(tilesizex==w && tilesizey==h) printf("\nFull image\n");
+			else printf("\nTile size: %d x %d\n", tilesizex, tilesizey);
+			printf("C--> Frame rate:           %f fps\n", (double)ITER/elapsed);
+			printf("     Output image size:    %d bytes\n", jpgbufsize);
+			printf("     Compression ratio:    %f:1\n",
+				(double)(w*h*ps)/(double)jpgbufsize);
+			printf("     Source throughput:    %f Megapixels/sec\n",
+				(double)(w*h)/1000000.*(double)ITER/elapsed);
+			printf("     Output bit stream:    %f Megabits/sec\n",
+				(double)jpgbufsize*8./1000000.*(double)ITER/elapsed);
+		}
+		if(tilesizex==w && tilesizey==h)
+		{
+			if(yuv==YUVENCODE)
+				sprintf(tempstr, "%s_%s.yuv", filename, _subnames[jpegsub]);
+			else
+				sprintf(tempstr, "%s_%sQ%d.jpg", filename, _subnames[jpegsub], qual);
+			if((outfile=fopen(tempstr, "wb"))==NULL)
+				_throwunix("opening reference image");
+			if(fwrite(jpegbuf[0], jpgbufsize, 1, outfile)!=1)
+				_throwunix("writing reference image");
+			fclose(outfile);  outfile=NULL;
+			if(!quiet) printf("Reference image written to %s\n", tempstr);
+		}
+		if(yuv==YUVENCODE) goto bailout;
+
+		// Decompression test
+		if(yuv==YUVDECODE) flags |= TJ_YUV;
+		memset(rgbbuf, 127, max(yuvsize, pitch*h));  // Grey image means decompressor did nothing
+		if((hnd=tjInitDecompress())==NULL)
+			_throwtj("executing tjInitDecompress()");
+		if(tjDecompress(hnd, jpegbuf[0], jpgbufsize, rgbbuf, tilesizex, pitch,
+			tilesizey, ps, flags)==-1)
+			_throwtj("executing tjDecompress()");
+		ITER=0;
+		start=rrtime();
+		do
+		{
+			int tilen=0;
+			for(i=0; i<h; i+=tilesizey)
+			{
+				for(j=0; j<w; j+=tilesizex)
+				{
+					int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i);
+					if(tjDecompress(hnd, jpegbuf[tilen], comptilesize[tilen],
+						&rgbbuf[pitch*i+ps*j], tempw, pitch, temph, ps, flags)==-1)
+						_throwtj("executing tjDecompress()");
+					tilen++;
+				}
+			}
+			ITER++;
+		}	while((elapsed=rrtime()-start)<5.);
+		if(tjDestroy(hnd)==-1) _throwtj("executing tjDestroy()");
+		hnd=NULL;
+		if(quiet)
+		{
+			printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
+			printf("\n");
+		}
+		else
+		{
+			printf("D--> Frame rate:           %f fps\n", (double)ITER/elapsed);
+			printf("     Dest. throughput:     %f Megapixels/sec\n",
+				(double)(w*h)/1000000.*(double)ITER/elapsed);
+		}
+		if(yuv==YUVDECODE)
+		{
+			sprintf(tempstr, "%s_%sQ%d.yuv", filename, _subnames[jpegsub], qual);
+			if((outfile=fopen(tempstr, "wb"))==NULL)
+				_throwunix("opening YUV image for output");
+			if(fwrite(rgbbuf, yuvsize, 1, outfile)!=1)
+				_throwunix("writing YUV image");
+			fclose(outfile);  outfile=NULL;
+		}
+		else
+		{
+			if(tilesizex==w && tilesizey==h)
+				sprintf(tempstr, "%s_%sQ%d_full.%s", filename, _subnames[jpegsub], qual,
+					useppm?"ppm":"bmp");
+			else sprintf(tempstr, "%s_%sQ%d_%dx%d.%s", filename, _subnames[jpegsub],
+				qual, tilesizex, tilesizey, useppm?"ppm":"bmp");
+			if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1)
+				_throwbmp("saving bitmap");
+			sprintf(strrchr(tempstr, '.'), "-err.%s", useppm?"ppm":"bmp");
+			if(!quiet)
+				printf("Computing compression error and saving to %s.\n", tempstr);
+			if(jpegsub==TJ_GRAYSCALE)
+			{
+				for(j=0; j<h; j++)
+				{
+					for(i=0; i<w*ps; i+=ps)
+					{
+						int y=(int)((double)srcbuf[w*ps*j+i+_rindex[pf]]*0.299
+							+ (double)srcbuf[w*ps*j+i+_gindex[pf]]*0.587
+							+ (double)srcbuf[w*ps*j+i+_bindex[pf]]*0.114 + 0.5);
+						if(y>255) y=255;  if(y<0) y=0;
+						rgbbuf[pitch*j+i+_rindex[pf]]=abs(rgbbuf[pitch*j+i+_rindex[pf]]-y);
+						rgbbuf[pitch*j+i+_gindex[pf]]=abs(rgbbuf[pitch*j+i+_gindex[pf]]-y);
+						rgbbuf[pitch*j+i+_bindex[pf]]=abs(rgbbuf[pitch*j+i+_bindex[pf]]-y);
+					}
+				}
+			}		
+			else
+			{
+				for(j=0; j<h; j++) for(i=0; i<w*ps; i++)
+					rgbbuf[pitch*j+i]=abs(rgbbuf[pitch*j+i]-srcbuf[w*ps*j+i]);
+			}
+			if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1)
+				_throwbmp("saving bitmap");
+		}
+
+		// Cleanup
+		if(outfile) {fclose(outfile);  outfile=NULL;}
+		if(jpegbuf)
+		{
+			for(i=0; i<numtilesx*numtilesy; i++)
+				{if(jpegbuf[i]) free(jpegbuf[i]);  jpegbuf[i]=NULL;}
+			free(jpegbuf);  jpegbuf=NULL;
+		}
+		if(comptilesize) {free(comptilesize);  comptilesize=NULL;}
+	} while(tilesizex<w || tilesizey<h);
+
+	if(rgbbuf) {free(rgbbuf);  rgbbuf=NULL;}
+	return;
+
+	bailout:
+	if(outfile) {fclose(outfile);  outfile=NULL;}
+	if(jpegbuf)
+	{
+		for(i=0; i<numtilesx*numtilesy; i++)
+			{if(jpegbuf[i]) free(jpegbuf[i]);  jpegbuf[i]=NULL;}
+		free(jpegbuf);  jpegbuf=NULL;
+	}
+	if(comptilesize) {free(comptilesize);  comptilesize=NULL;}
+	if(rgbbuf) {free(rgbbuf);  rgbbuf=NULL;}
+	if(hnd) {tjDestroy(hnd);  hnd=NULL;}
+	return;
+}
+
+
+void dodecomptest(char *filename, int pf, int bu, int useppm,
+	int quiet)
+{
+	char tempstr[1024];
+	FILE *file=NULL;  tjhandle hnd;
+	unsigned char *jpegbuf=NULL, *rgbbuf=NULL;
+	double start, elapsed;
+	int w, h, ITER;
+	unsigned long jpgbufsize=0;
+	int flags=(forcemmx?TJ_FORCEMMX:0)|(forcesse?TJ_FORCESSE:0)
+		|(forcesse2?TJ_FORCESSE2:0)|(forcesse3?TJ_FORCESSE3:0)
+		|(fastupsample?TJ_FASTUPSAMPLE:0);
+	int ps=_ps[pf], pitch, jpegsub=-1;
+	char *temp=NULL;
+	int hsf, vsf, pw, ph, cw, ch, ypitch, uvpitch, yuvsize;
+
+	flags |= _flags[pf];
+	if(bu) flags |= TJ_BOTTOMUP;
+	if(yuv==YUVDECODE) flags |= TJ_YUV;
+
+	if((file=fopen(filename, "rb"))==NULL)
+		_throwunix("opening file");
+	if(fseek(file, 0, SEEK_END)<0 || (jpgbufsize=ftell(file))<0)
+		_throwunix("determining file size");
+	if((jpegbuf=(unsigned char *)malloc(jpgbufsize))==NULL)
+		_throwunix("allocating memory");
+	if(fseek(file, 0, SEEK_SET)<0)
+		_throwunix("setting file position");
+	if(fread(jpegbuf, jpgbufsize, 1, file)<1)
+		_throwunix("reading JPEG data");
+	fclose(file);  file=NULL;
+
+	temp=strrchr(filename, '.');
+	if(temp!=NULL) *temp='\0';
+
+	if((hnd=tjInitDecompress())==NULL) _throwtj("executing tjInitDecompress()");
+	if(tjDecompressHeader2(hnd, jpegbuf, jpgbufsize, &w, &h, &jpegsub)==-1)
+		_throwtj("executing tjDecompressHeader2()");
+
+	hsf=_hsf[jpegsub], vsf=_vsf[jpegsub];
+	pw=PAD(w, hsf), ph=PAD(h, vsf);
+	cw=pw/hsf, ch=ph/vsf;
+	ypitch=PAD(pw, 4), uvpitch=PAD(cw, 4);
+	yuvsize=ypitch*ph + (jpegsub==TJ_GRAYSCALE? 0:uvpitch*ch*2);
+
+	pitch=w*ps;
+
+	if(quiet)
+	{
+		printf("All performance values in Mpixels/sec\n\n");
+		printf("Bitmap\tBitmap\tImage Size\tDecomp\n"),
+		printf("Format\tOrder\t X    Y  \tPerf\n\n");
+		printf("%s\t%s\t%-4d %-4d\t", _pfname[pf], bu?"BU":"TD", w, h);
+	}
+
+	if((rgbbuf=(unsigned char *)malloc(max(yuvsize, pitch*h)))==NULL)
+		_throwunix("allocating image buffer");
+
+	if(!quiet)
+	{
+		if(yuv==YUVDECODE)
+			printf("\n>>>>>  JPEG --> YUV %s  <<<<<\n", _subnamel[jpegsub]);
+		else
+			printf("\n>>>>>  JPEG --> %s (%s)  <<<<<\n", _pfname[pf],
+				bu?"Bottom-up":"Top-down");
+		printf("\nImage size: %d x %d\n", w, h);
+	}
+
+	memset(rgbbuf, 127, max(yuvsize, pitch*h));  // Grey image means decompressor did nothing
+	if(tjDecompress(hnd, jpegbuf, jpgbufsize, rgbbuf, w, pitch, h, ps, flags)==-1)
+		_throwtj("executing tjDecompress()");
+	ITER=0;
+	start=rrtime();
+	do
+	{
+		if(tjDecompress(hnd, jpegbuf, jpgbufsize, rgbbuf, w, pitch, h, ps, flags)
+			==-1)
+			_throwtj("executing tjDecompress()");
+		ITER++;
+	}	while((elapsed=rrtime()-start)<5.);
+	if(tjDestroy(hnd)==-1) _throwtj("executing tjDestroy()");
+	hnd=NULL;
+	if(quiet)
+	{
+		printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
+		printf("\n");
+	}
+	else
+	{
+		printf("D--> Frame rate:           %f fps\n", (double)ITER/elapsed);
+		printf("     Dest. throughput:     %f Megapixels/sec\n",
+			(double)(w*h)/1000000.*(double)ITER/elapsed);
+	}
+	sprintf(tempstr, "%s_full.%s", filename, useppm?"ppm":"bmp");
+	if(yuv==YUVDECODE)
+	{
+		sprintf(tempstr, "%s_%s.yuv", filename, _subnames[jpegsub]);
+		if((file=fopen(tempstr, "wb"))==NULL)
+			_throwunix("opening YUV image for output");
+		if(fwrite(rgbbuf, yuvsize, 1, file)!=1)
+			_throwunix("writing YUV image");
+		fclose(file);  file=NULL;
+	}
+	else
+	{
+		if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1)
+			_throwbmp("saving bitmap");
+	}
+
+	bailout:
+	if(file) {fclose(file);  file=NULL;}
+	if(jpegbuf) {free(jpegbuf);  jpegbuf=NULL;}
+	if(rgbbuf) {free(rgbbuf);  rgbbuf=NULL;}
+	if(hnd) {tjDestroy(hnd);  hnd=NULL;}
+	return;
+}
+
+
+void usage(char *progname)
+{
+	printf("USAGE: %s <Inputfile (BMP|PPM))> <%% Quality>\n", progname);
+	printf("       %s <Inputfile (JPG))>\n\n", progname);
+	printf("       [-tile]\n");
+	printf("       Test performance of the codec when the image is encoded\n");
+	printf("       as separate tiles of varying sizes.\n\n");
+	printf("       [-forcemmx] [-forcesse] [-forcesse2] [-forcesse3]\n");
+	printf("       Force MMX, SSE, or SSE2 code paths in Intel codec\n\n");
+	printf("       [-rgb | -bgr | -rgba | -bgra | -abgr | -argb]\n");
+	printf("       Test the specified color conversion path in the codec (default: BGR)\n\n");
+	printf("       [-fastupsample]\n");
+	printf("       Use fast, inaccurate upsampling code to perform 4:2:2 and 4:2:0\n");
+	printf("       YUV decoding in libjpeg decompressor\n\n");
+	printf("       [-quiet]\n");
+	printf("       Output in tabular rather than verbose format\n\n");
+	printf("       [-yuvencode]\n");
+	printf("       Encode RGB input as planar YUV rather than compressing as JPEG\n\n");
+	printf("       [-yuvdecode]\n");
+	printf("       Decode JPEG image to planar YUV rather than RGB\n\n");
+	printf("       NOTE: If the quality is specified as a range, i.e. 90-100, a separate\n");
+	printf("       test will be performed for all quality values in the range.\n");
+	exit(1);
+}
+
+
+int main(int argc, char *argv[])
+{
+	unsigned char *bmpbuf=NULL;  int w, h, i, useppm=0;
+	int qual, dotile=0, quiet=0, hiqual=-1;  char *temp;
+	int pf=BMP_BGR;
+	int bu=0, minarg=2;
+
+	printf("\n");
+
+	if(argc<minarg) usage(argv[0]);
+
+	temp=strrchr(argv[1], '.');
+	if(temp!=NULL)
+	{
+		if(!stricmp(temp, ".ppm")) useppm=1;
+		if(!stricmp(temp, ".jpg") || !stricmp(temp, ".jpeg")) decomponly=1;
+	}
+
+	if(argc>minarg)
+	{
+		for(i=minarg; i<argc; i++)
+		{
+			if(!stricmp(argv[i], "-yuvencode"))
+			{
+				printf("Testing YUV planar encoding\n");
+				yuv=YUVENCODE;  hiqual=qual=100;
+			}
+			if(!stricmp(argv[i], "-yuvdecode"))
+			{
+				printf("Testing YUV planar decoding\n");
+				yuv=YUVDECODE;
+			}
+		}
+	}
+
+	if(!decomponly && yuv!=YUVENCODE)
+	{
+		minarg=3;
+		if(argc<minarg) usage(argv[0]);
+		if((qual=atoi(argv[2]))<1 || qual>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", &hiqual)==1 && hiqual>qual && hiqual>=1
+			&& hiqual<=100) {}
+		else hiqual=qual;
+	}
+
+	if(argc>minarg)
+	{
+		for(i=minarg; i<argc; i++)
+		{
+			if(!stricmp(argv[i], "-tile")) dotile=1;
+			if(!stricmp(argv[i], "-forcesse3"))
+			{
+				printf("Using SSE3 code\n");
+				forcesse3=1;
+			}
+			if(!stricmp(argv[i], "-forcesse2"))
+			{
+				printf("Using SSE2 code\n");
+				forcesse2=1;
+			}
+			if(!stricmp(argv[i], "-forcesse"))
+			{
+				printf("Using SSE code\n");
+				forcesse=1;
+			}
+			if(!stricmp(argv[i], "-forcemmx"))
+			{
+				printf("Using MMX code\n");
+				forcemmx=1;
+			}
+			if(!stricmp(argv[i], "-fastupsample"))
+			{
+				printf("Using fast upsampling code\n");
+				fastupsample=1;
+			}
+			if(!stricmp(argv[i], "-rgb")) pf=BMP_RGB;
+			if(!stricmp(argv[i], "-rgba")) pf=BMP_RGBA;
+			if(!stricmp(argv[i], "-bgr")) pf=BMP_BGR;
+			if(!stricmp(argv[i], "-bgra")) pf=BMP_BGRA;
+			if(!stricmp(argv[i], "-abgr")) pf=BMP_ABGR;
+			if(!stricmp(argv[i], "-argb")) pf=BMP_ARGB;
+			if(!stricmp(argv[i], "-bottomup")) bu=1;
+			if(!stricmp(argv[i], "-quiet")) quiet=1;
+		}
+	}
+
+	if(!decomponly)
+	{
+		if(loadbmp(argv[1], &bmpbuf, &w, &h, pf, 1, bu)==-1)
+			_throwbmp("loading bitmap");
+		temp=strrchr(argv[1], '.');
+		if(temp!=NULL) *temp='\0';
+	}
+
+	if(quiet && !decomponly)
+	{
+		printf("All performance values in Mpixels/sec\n\n");
+		printf("Bitmap\tBitmap\tJPEG\tJPEG\tTile Size\tCompr\tCompr\tDecomp\n");
+		printf("Format\tOrder\tFormat\tQual\t X    Y  \tPerf \tRatio\tPerf\n\n");
+	}
+
+	if(decomponly)
+	{
+		dodecomptest(argv[1], pf, bu, 1, quiet);
+		goto bailout;
+	}
+	for(i=hiqual; i>=qual; i--)
+		dotest(bmpbuf, w, h, pf, bu, TJ_GRAYSCALE, i, argv[1], dotile, useppm, quiet);
+	if(quiet) printf("\n");
+	for(i=hiqual; i>=qual; i--)
+		dotest(bmpbuf, w, h, pf, bu, TJ_420, i, argv[1], dotile, useppm, quiet);
+	if(quiet) printf("\n");
+	for(i=hiqual; i>=qual; i--)
+		dotest(bmpbuf, w, h, pf, bu, TJ_422, i, argv[1], dotile, useppm, quiet);
+	if(quiet) printf("\n");
+	for(i=hiqual; i>=qual; i--)
+		dotest(bmpbuf, w, h, pf, bu, TJ_444, i, argv[1], dotile, useppm, quiet);
+
+	bailout:
+	if(bmpbuf) free(bmpbuf);
+	return 0;
+}
-- 
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