jpgtest.c - platform/external/libjpeg-turbo - Gitiles

 /* 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", "RGBX", "BGR", "BGRX", "XBGR", "XRGB"};
 const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"};
 const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"};

 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=NULL;
 	unsigned char **jpegbuf=NULL, *rgbbuf=NULL;
 	double start, elapsed;
 	int jpgbufsize=0, i, j, tilesizex=w, tilesizey=h, numtilesx=1, numtilesy=1,
 		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=0;

 	flags |= _flags[pf];
 	if(bu) flags |= TJ_BOTTOMUP;

 	if(yuv==YUVENCODE) yuvsize=TJBUFSIZEYUV(w, h, jpegsub);
 	if((rgbbuf=(unsigned char *)malloc(max(yuvsize, pitch*h+1))) == NULL)
 		_throwunix("allocating image buffer");

 	if(!quiet)
 	{
 		if(yuv==YUVENCODE)
 			printf(">>>>>  %s (%s) <--> YUV %s  <<<<<\n", _pfname[pf],
 				bu?"Bottom-up":"Top-down", _subnamel[jpegsub]);
 		else
 			printf(">>>>>  %s (%s) <--> JPEG %s Q%d  <<<<<\n", _pfname[pf],
 				bu?"Bottom-up":"Top-down", _subnamel[jpegsub], qual);
 	}
 	if(yuv) 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(
 				yuv==YUVENCODE? TJBUFSIZEYUV(tilesizex, tilesizey, jpegsub)
 					: TJBUFSIZE(tilesizex, tilesizey))) == NULL)
 				_throwunix("allocating image buffers");
 		}

 		// Compression test
 		if(quiet==1) 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(yuv==YUVENCODE)
 		{
 			if(tjEncodeYUV(hnd, rgbbuf, tilesizex, pitch, tilesizey, ps,
 				jpegbuf[0], jpegsub, flags)==-1)
 				_throwtj("executing tjEncodeYUV()");
 			comptilesize[0]=TJBUFSIZEYUV(tilesizex, tilesizey, jpegsub);
 		}
 		else 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(yuv==YUVENCODE)
 					{
 						if(tjEncodeYUV(hnd, &rgbbuf[pitch*i+j*ps], tempw, pitch,
 							temph, ps, jpegbuf[tilen], jpegsub, flags)==-1)
 							_throwtj("executing tjEncodeYUV()");
 						comptilesize[tilen]=TJBUFSIZEYUV(tempw, temph, jpegsub);
 					}
 					else 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==1)
 		{
 			if(tilesizex==w && tilesizey==h) printf("Full     \t");
 			else printf("%-4d %-4d\t", tilesizex, tilesizey);
 		}
 		if(quiet)
 		{
 			printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
 			printf("%c", quiet==2? '\n':'\t');
 			printsigfig((double)(w*h*ps)/(double)jpgbufsize, 4);
 			printf("%c", quiet==2? '\n':'\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)
 		{
 			if(quiet==1) printf("\n");  goto bailout;
 		}

 		// Decompression test
 		memset(rgbbuf, 127, max(yuvsize, pitch*h));  // Grey image means decompressor did nothing
 		if((hnd=tjInitDecompress())==NULL)
 			_throwtj("executing tjInitDecompress()");
 		if(yuv==YUVDECODE)
 		{
 			if(tjDecompressToYUV(hnd, jpegbuf[0], jpgbufsize, rgbbuf, flags)==-1)
 				_throwtj("executing tjDecompressToYUV()");
 		}
 		else 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(yuv==YUVDECODE)
 					{
 						if(tjDecompressToYUV(hnd, jpegbuf[tilen], comptilesize[tilen],
 							&rgbbuf[pitch*i+ps*j], flags)==-1)
 							_throwtj("executing tjDecompressToYUV()");
 					}
 					else 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=NULL;
 	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 yuvsize, bufsize;

 	flags |= _flags[pf];
 	if(bu) flags |= TJ_BOTTOMUP;

 	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()");

 	yuvsize=TJBUFSIZEYUV(w, h, jpegsub);

 	pitch=w*ps;

 	if(quiet==1)
 	{
 		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);
 	}

 	bufsize=(yuv==YUVDECODE? yuvsize:pitch*h);
 	if((rgbbuf=(unsigned char *)malloc(bufsize))==NULL)
 		_throwunix("allocating image buffer");

 	if(!quiet)
 	{
 		if(yuv==YUVDECODE)
 			printf(">>>>>  JPEG --> YUV %s  <<<<<\n", _subnamel[jpegsub]);
 		else
 			printf(">>>>>  JPEG --> %s (%s)  <<<<<\n", _pfname[pf],
 				bu?"Bottom-up":"Top-down");
 		printf("\nImage size: %d x %d\n", w, h);
 	}

 	memset(rgbbuf, 127, bufsize);  // Grey image means decompressor did nothing
 	if(yuv==YUVDECODE)
 	{
 		if(tjDecompressToYUV(hnd, jpegbuf, jpgbufsize, rgbbuf, flags)==-1)
 			_throwtj("executing tjDecompressToYUV()");
 	}
 	else if(tjDecompress(hnd, jpegbuf, jpgbufsize, rgbbuf, w, pitch, h, ps,
 		flags)==-1)
 		_throwtj("executing tjDecompress()");
 	ITER=0;
 	start=rrtime();
 	do
 	{
 		if(yuv==YUVDECODE)
 		{
 			if(tjDecompressToYUV(hnd, jpegbuf, jpgbufsize, rgbbuf, flags)==-1)
 				_throwtj("executing tjDecompressToYUV()");
 		}
 		else 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, SSE2, or SSE3 code paths in the underlying codec\n\n");
 	printf("       [-rgb | -bgr | -rgbx | -bgrx | -xbgr | -xrgb]\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=-1, dotile=0, quiet=0, hiqual=-1;  char *temp;
 	int pf=BMP_BGR;
 	int bu=0, minarg=2;

 	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;
 	}

 	printf("\n");

 	if(argc>minarg)
 	{
 		for(i=minarg; i<argc; i++)
 		{
 			if(!stricmp(argv[i], "-yuvencode"))
 			{
 				printf("Testing YUV planar encoding\n\n");
 				yuv=YUVENCODE;  hiqual=qual=100;
 			}
 			if(!stricmp(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((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\n");
 				forcesse3=1;
 			}
 			if(!stricmp(argv[i], "-forcesse2"))
 			{
 				printf("Using SSE2 code\n\n");
 				forcesse2=1;
 			}
 			if(!stricmp(argv[i], "-forcesse"))
 			{
 				printf("Using SSE code\n\n");
 				forcesse=1;
 			}
 			if(!stricmp(argv[i], "-forcemmx"))
 			{
 				printf("Using MMX code\n\n");
 				forcemmx=1;
 			}
 			if(!stricmp(argv[i], "-fastupsample"))
 			{
 				printf("Using fast upsampling code\n\n");
 				fastupsample=1;
 			}
 			if(!stricmp(argv[i], "-rgb")) pf=BMP_RGB;
 			if(!stricmp(argv[i], "-rgbx")) pf=BMP_RGBX;
 			if(!stricmp(argv[i], "-bgr")) pf=BMP_BGR;
 			if(!stricmp(argv[i], "-bgrx")) pf=BMP_BGRX;
 			if(!stricmp(argv[i], "-xbgr")) pf=BMP_XBGR;
 			if(!stricmp(argv[i], "-xrgb")) pf=BMP_XRGB;
 			if(!stricmp(argv[i], "-bottomup")) bu=1;
 			if(!stricmp(argv[i], "-quiet")) quiet=1;
 			if(!stricmp(argv[i], "-qq")) quiet=2;
 		}
 	}

 	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==1 && !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);
 		printf("\n");
 		goto bailout;
 	}
 	for(i=hiqual; i>=qual; i--)
 		dotest(bmpbuf, w, h, pf, bu, TJ_GRAYSCALE, i, argv[1], dotile, useppm, quiet);
 	printf("\n");
 	for(i=hiqual; i>=qual; i--)
 		dotest(bmpbuf, w, h, pf, bu, TJ_420, i, argv[1], dotile, useppm, quiet);
 	printf("\n");
 	for(i=hiqual; i>=qual; i--)
 		dotest(bmpbuf, w, h, pf, bu, TJ_422, i, argv[1], dotile, useppm, quiet);
 	printf("\n");
 	for(i=hiqual; i>=qual; i--)
 		dotest(bmpbuf, w, h, pf, bu, TJ_444, i, argv[1], dotile, useppm, quiet);
 	printf("\n");

 	bailout:
 	if(bmpbuf) free(bmpbuf);
 	return 0;
 }
	/* 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", "RGBX", "BGR", "BGRX", "XBGR", "XRGB"};
	const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"};
	const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"};

	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=NULL;
	unsigned char *jpegbuf=NULL, rgbbuf=NULL;
	double start, elapsed;
	int jpgbufsize=0, i, j, tilesizex=w, tilesizey=h, numtilesx=1, numtilesy=1,
	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=0;

	flags \|= _flags[pf];
	if(bu) flags \|= TJ_BOTTOMUP;

	if(yuv==YUVENCODE) yuvsize=TJBUFSIZEYUV(w, h, jpegsub);
	if((rgbbuf=(unsigned char )malloc(max(yuvsize, pitchh+1))) == NULL)
	_throwunix("allocating image buffer");

	if(!quiet)
	{
	if(yuv==YUVENCODE)
	printf(">>>>> %s (%s) <--> YUV %s <<<<<\n", _pfname[pf],
	bu?"Bottom-up":"Top-down", _subnamel[jpegsub]);
	else
	printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", _pfname[pf],
	bu?"Bottom-up":"Top-down", _subnamel[jpegsub], qual);
	}
	if(yuv) 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 )numtilesxnumtilesy)) == 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(
	yuv==YUVENCODE? TJBUFSIZEYUV(tilesizex, tilesizey, jpegsub)
	: TJBUFSIZE(tilesizex, tilesizey))) == NULL)
	_throwunix("allocating image buffers");
	}

	// Compression test
	if(quiet==1) 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[pitchi], &srcbuf[wpsi], wps);
	if((hnd=tjInitCompress())==NULL)
	_throwtj("executing tjInitCompress()");
	if(yuv==YUVENCODE)
	{
	if(tjEncodeYUV(hnd, rgbbuf, tilesizex, pitch, tilesizey, ps,
	jpegbuf[0], jpegsub, flags)==-1)
	_throwtj("executing tjEncodeYUV()");
	comptilesize[0]=TJBUFSIZEYUV(tilesizex, tilesizey, jpegsub);
	}
	else 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(yuv==YUVENCODE)
	{
	if(tjEncodeYUV(hnd, &rgbbuf[pitchi+jps], tempw, pitch,
	temph, ps, jpegbuf[tilen], jpegsub, flags)==-1)
	_throwtj("executing tjEncodeYUV()");
	comptilesize[tilen]=TJBUFSIZEYUV(tempw, temph, jpegsub);
	}
	else if(tjCompress(hnd, &rgbbuf[pitchi+jps], 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==1)
	{
	if(tilesizex==w && tilesizey==h) printf("Full \t");
	else printf("%-4d %-4d\t", tilesizex, tilesizey);
	}
	if(quiet)
	{
	printsigfig((double)(wh)/1000000.(double)ITER/elapsed, 4);
	printf("%c", quiet==2? '\n':'\t');
	printsigfig((double)(whps)/(double)jpgbufsize, 4);
	printf("%c", quiet==2? '\n':'\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)(whps)/(double)jpgbufsize);
	printf(" Source throughput: %f Megapixels/sec\n",
	(double)(wh)/1000000.(double)ITER/elapsed);
	printf(" Output bit stream: %f Megabits/sec\n",
	(double)jpgbufsize8./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)
	{
	if(quiet==1) printf("\n"); goto bailout;
	}

	// Decompression test
	memset(rgbbuf, 127, max(yuvsize, pitch*h)); // Grey image means decompressor did nothing
	if((hnd=tjInitDecompress())==NULL)
	_throwtj("executing tjInitDecompress()");
	if(yuv==YUVDECODE)
	{
	if(tjDecompressToYUV(hnd, jpegbuf[0], jpgbufsize, rgbbuf, flags)==-1)
	_throwtj("executing tjDecompressToYUV()");
	}
	else 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(yuv==YUVDECODE)
	{
	if(tjDecompressToYUV(hnd, jpegbuf[tilen], comptilesize[tilen],
	&rgbbuf[pitchi+psj], flags)==-1)
	_throwtj("executing tjDecompressToYUV()");
	}
	else if(tjDecompress(hnd, jpegbuf[tilen], comptilesize[tilen],
	&rgbbuf[pitchi+psj], 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)(wh)/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)(wh)/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[wpsj+i+_rindex[pf]]*0.299
	+ (double)srcbuf[wpsj+i+_gindex[pf]]*0.587
	+ (double)srcbuf[wpsj+i+_bindex[pf]]*0.114 + 0.5);
	if(y>255) y=255; if(y<0) y=0;
	rgbbuf[pitchj+i+_rindex[pf]]=abs(rgbbuf[pitchj+i+_rindex[pf]]-y);
	rgbbuf[pitchj+i+_gindex[pf]]=abs(rgbbuf[pitchj+i+_gindex[pf]]-y);
	rgbbuf[pitchj+i+_bindex[pf]]=abs(rgbbuf[pitchj+i+_bindex[pf]]-y);
	}
	}
	}
	else
	{
	for(j=0; j<h; j++) for(i=0; i<w*ps; i++)
	rgbbuf[pitchj+i]=abs(rgbbuf[pitchj+i]-srcbuf[wpsj+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=NULL;
	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 yuvsize, bufsize;

	flags \|= _flags[pf];
	if(bu) flags \|= TJ_BOTTOMUP;

	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()");

	yuvsize=TJBUFSIZEYUV(w, h, jpegsub);

	pitch=w*ps;

	if(quiet==1)
	{
	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);
	}

	bufsize=(yuv==YUVDECODE? yuvsize:pitch*h);
	if((rgbbuf=(unsigned char *)malloc(bufsize))==NULL)
	_throwunix("allocating image buffer");

	if(!quiet)
	{
	if(yuv==YUVDECODE)
	printf(">>>>> JPEG --> YUV %s <<<<<\n", _subnamel[jpegsub]);
	else
	printf(">>>>> JPEG --> %s (%s) <<<<<\n", _pfname[pf],
	bu?"Bottom-up":"Top-down");
	printf("\nImage size: %d x %d\n", w, h);
	}

	memset(rgbbuf, 127, bufsize); // Grey image means decompressor did nothing
	if(yuv==YUVDECODE)
	{
	if(tjDecompressToYUV(hnd, jpegbuf, jpgbufsize, rgbbuf, flags)==-1)
	_throwtj("executing tjDecompressToYUV()");
	}
	else if(tjDecompress(hnd, jpegbuf, jpgbufsize, rgbbuf, w, pitch, h, ps,
	flags)==-1)
	_throwtj("executing tjDecompress()");
	ITER=0;
	start=rrtime();
	do
	{
	if(yuv==YUVDECODE)
	{
	if(tjDecompressToYUV(hnd, jpegbuf, jpgbufsize, rgbbuf, flags)==-1)
	_throwtj("executing tjDecompressToYUV()");
	}
	else 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)(wh)/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)(wh)/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, SSE2, or SSE3 code paths in the underlying codec\n\n");
	printf(" [-rgb \| -bgr \| -rgbx \| -bgrx \| -xbgr \| -xrgb]\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=-1, dotile=0, quiet=0, hiqual=-1; char *temp;
	int pf=BMP_BGR;
	int bu=0, minarg=2;

	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;
	}

	printf("\n");

	if(argc>minarg)
	{
	for(i=minarg; i<argc; i++)
	{
	if(!stricmp(argv[i], "-yuvencode"))
	{
	printf("Testing YUV planar encoding\n\n");
	yuv=YUVENCODE; hiqual=qual=100;
	}
	if(!stricmp(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((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\n");
	forcesse3=1;
	}
	if(!stricmp(argv[i], "-forcesse2"))
	{
	printf("Using SSE2 code\n\n");
	forcesse2=1;
	}
	if(!stricmp(argv[i], "-forcesse"))
	{
	printf("Using SSE code\n\n");
	forcesse=1;
	}
	if(!stricmp(argv[i], "-forcemmx"))
	{
	printf("Using MMX code\n\n");
	forcemmx=1;
	}
	if(!stricmp(argv[i], "-fastupsample"))
	{
	printf("Using fast upsampling code\n\n");
	fastupsample=1;
	}
	if(!stricmp(argv[i], "-rgb")) pf=BMP_RGB;
	if(!stricmp(argv[i], "-rgbx")) pf=BMP_RGBX;
	if(!stricmp(argv[i], "-bgr")) pf=BMP_BGR;
	if(!stricmp(argv[i], "-bgrx")) pf=BMP_BGRX;
	if(!stricmp(argv[i], "-xbgr")) pf=BMP_XBGR;
	if(!stricmp(argv[i], "-xrgb")) pf=BMP_XRGB;
	if(!stricmp(argv[i], "-bottomup")) bu=1;
	if(!stricmp(argv[i], "-quiet")) quiet=1;
	if(!stricmp(argv[i], "-qq")) quiet=2;
	}
	}

	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==1 && !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);
	printf("\n");
	goto bailout;
	}
	for(i=hiqual; i>=qual; i--)
	dotest(bmpbuf, w, h, pf, bu, TJ_GRAYSCALE, i, argv[1], dotile, useppm, quiet);
	printf("\n");
	for(i=hiqual; i>=qual; i--)
	dotest(bmpbuf, w, h, pf, bu, TJ_420, i, argv[1], dotile, useppm, quiet);
	printf("\n");
	for(i=hiqual; i>=qual; i--)
	dotest(bmpbuf, w, h, pf, bu, TJ_422, i, argv[1], dotile, useppm, quiet);
	printf("\n");
	for(i=hiqual; i>=qual; i--)
	dotest(bmpbuf, w, h, pf, bu, TJ_444, i, argv[1], dotile, useppm, quiet);
	printf("\n");

	bailout:
	if(bmpbuf) free(bmpbuf);
	return 0;
	}