Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/

tjbench.c

 /*
- * Copyright (C)2009-2014 D. R. Commander.  All Rights Reserved.
+ * Copyright (C)2009-2016 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
@@ skipping 25 matching lines @@
 #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;
+int flags=TJFLAG_NOREALLOC, componly=0, decomponly=0, doyuv=0, quiet=0,
+        dotile=0, pf=TJPF_BGR, yuvpad=1, warmup=1, dowrite=1;
 char *ext="ppm";
 const char *pixFormatStr[TJ_NUMPF]=
 {
-        "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
+        "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY", "", "", "", "", "CMYK"
 };
 const char *subNameLong[TJ_NUMSAMP]=
 {
-        "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
+        "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
 };
-const char *subName[NUMSUBOPT]={"444", "422", "420", "GRAY", "440"};
+const char *csName[TJ_NUMCS]=
+{
+        "RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
+};
+const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440", "411"};
 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 *formatName(int subsamp, int cs, char *buf)
+{
+        if(cs==TJCS_YCbCr) return (char *)subNameLong[subsamp];
+        else if(cs==TJCS_YCCK)
+        {
+                snprintf(buf, 80, "%s %s", csName[cs], subNameLong[subsamp]);
+                return buf;
+        }
+        else return (char *)csName[cs];
+}
+
+
 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,
+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, i, dstbufalloc=0, retval=0;
-        double start, elapsed;
+        int row, col, iter=0, dstbufalloc=0, retval=0;
+        double elapsed, elapsedDecode;
         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 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;
+        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()");
 
-        bufsize=(yuv==YUVDECODE? yuvsize:pitch*scaledh);
         if(dstbuf==NULL)
         {
-                if((dstbuf=(unsigned char *)malloc(bufsize)) == NULL)
-                        _throwunix("allocating image buffer");
+                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, bufsize);
+        memset(dstbuf, 127, pitch*scaledh);
 
-        /* Execute once to preload cache */
-        if(yuv==YUVDECODE)
+        if(doyuv)
         {
-                if(tjDecompressToYUV(handle, jpegbuf[0], jpegsize[0], dstbuf, flags)==-1)
-                        _throwtj("executing tjDecompressToYUV()");
+                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);
         }
-        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++)
+        iter=-warmup;
+        elapsed=elapsedDecode=0.;
+        while(1)
         {
                 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)
+                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(tjDecompress2(handle, jpegbuf[tile], jpegsize[tile], dstptr2, width,
-                                        pitch, height, pf, flags)==-1)
-                                        _throwtj("executing tjDecompress2()");
+                                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("%s\n",
-                        sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024));
+                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("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)
+                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)
                 {
-                        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");
+                        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 (!dowrite) goto bailout;
+
+        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;}
+        if(file) fclose(file);
+        if(handle) tjDestroy(handle);
+        if(dstbuf && dstbufalloc) free(dstbuf);
+        if(yuvbuf) free(yuvbuf);
         return retval;
 }
 
 
-void dotestyuv(unsigned char *srcbuf, int w, int h, int subsamp,
+int fullTest(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 *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;
+        unsigned char **jpegbuf=NULL, *yuvbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2;
+        double start, elapsed, elapsedEncode;
         int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0;
+        int iter, yuvsize=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;}
+        int ps=tjPixelSize[pf];
+        int ntilesw=1, ntilesh=1, pitch=w*ps;
+        const char *pfStr=pixFormatStr[pf];
 
         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],
+                printf(">>>>>  %s (%s) <--> JPEG %s Q%d  <<<<<\n", pfStr,
                         (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,
+                                if((jpegbuf[i]=(unsigned char *)tjAlloc(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],
+                        printf("%-4s (%s)  %-5s    %-3d   ", pfStr,
                                 (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()");
+                if(doyuv)
+                {
+                        yuvsize=tjBufSizeYUV2(tilew, yuvpad, tileh, subsamp);
+                        if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
+                                _throwunix("allocating YUV buffer");
+                        memset(yuvbuf, 127, yuvsize);
+                }
 
                 /* Benchmark */
-                for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
+                iter=-warmup;
+                elapsed=elapsedEncode=0.;
+                while(1)
                 {
                         int tile=0;
                         totaljpegsize=0;
+                        start=gettime();
                         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");
+                                        if(doyuv)
+                                        {
+                                                double startEncode=gettime();
+                                                if(tjEncodeYUV3(handle, srcptr2, width, pitch, height, pf, yuvbuf,
+                                                        yuvpad, subsamp, flags)==-1)
+                                                        _throwtj("executing tjEncodeYUV3()");
+                                                if(iter>=0) elapsedEncode+=gettime()-startEncode;
+                                                if(tjCompressFromYUV(handle, yuvbuf, width, yuvpad, height,
+                                                        subsamp, &jpegbuf[tile], &jpegsize[tile], jpegqual, flags)==-1)
+                                                        _throwtj("executing tjCompressFromYUV()");
+                                        }
+                                        else
+                                        {
+                                                if(tjCompress2(handle, srcptr2, width, pitch, height, pf,
+                                                        &jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1)
+                                                        _throwtj("executing tjCompress2()");
+                                        }
                                         totaljpegsize+=jpegsize[tile];
                                 }
                         }
+                        iter++;
+                        if(iter>=1)
+                        {
+                                elapsed+=gettime()-start;
+                                if(elapsed>=benchtime) break;
+                        }
                 }
+                if(doyuv) elapsed-=elapsedEncode;
 
                 if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
                 handle=NULL;
 
-                if(quiet==1) printf("%-4d  %-4d\t", tilew, tileh);
+                if(quiet==1) printf("%-5d  %-5d   ", tilew, tileh);
                 if(quiet)
                 {
-                        printf("%s%c%s%c",
-                                sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024),
-                                quiet==2? '\n':'\t',
+                        if(doyuv)
+                                printf("%-6s%s",
+                                        sigfig((double)(w*h)/1000000.*(double)iter/elapsedEncode, 4, tempstr,
+                                                1024), quiet==2? "\n":"  ");
+                        printf("%-6s%s",
+                                sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4,  tempstr, 1024),
+                                quiet==2? "\n":"  ");
+                        printf("%-6s%s",
                                 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
-                                quiet==2? '\n':'\t');
+                                quiet==2? "\n":"  ");
                 }
                 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",
+                        if(doyuv)
+                        {
+                                printf("Encode YUV    --> Frame rate:         %f fps\n",
+                                        (double)iter/elapsedEncode);
+                                printf("                  Output image size:  %d bytes\n", yuvsize);
+                                printf("                  Compression ratio:  %f:1\n",
+                                        (double)(w*h*ps)/(double)yuvsize);
+                                printf("                  Throughput:         %f Megapixels/sec\n",
+                                        (double)(w*h)/1000000.*(double)iter/elapsedEncode);
+                                printf("                  Output bit stream:  %f Megabits/sec\n",
+                                        (double)yuvsize*8./1000000.*(double)iter/elapsedEncode);
+                        }
+                        printf("%s --> Frame rate:         %f fps\n",
+                                doyuv? "Comp from YUV":"Compress     ", (double)iter/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);
+                        printf("                  Throughput:         %f Megapixels/sec\n",
+                                (double)(w*h)/1000000.*(double)iter/elapsed);
+                        printf("                  Output bit stream:  %f Megabits/sec\n",
+                                (double)totaljpegsize*8./1000000.*(double)iter/elapsed);
                 }
-                if(tilew==w && tileh==h)
+                if(tilew==w && tileh==h && dowrite)
                 {
                         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;
+                if(!componly)
+                {
+                        if(decomp(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;
+                        if(jpegbuf[i]) tjFree(jpegbuf[i]);  jpegbuf[i]=NULL;
                 }
                 free(jpegbuf);  jpegbuf=NULL;
                 free(jpegsize);  jpegsize=NULL;
+                if(doyuv)
+                {
+                        free(yuvbuf);  yuvbuf=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;
+                        if(jpegbuf[i]) tjFree(jpegbuf[i]);  jpegbuf[i]=NULL;
                 }
                 free(jpegbuf);  jpegbuf=NULL;
         }
+        if(yuvbuf) {free(yuvbuf);  yuvbuf=NULL;}
         if(jpegsize) {free(jpegsize);  jpegsize=NULL;}
         if(tmpbuf) {free(tmpbuf);  tmpbuf=NULL;}
         if(handle) {tjDestroy(handle);  handle=NULL;}
-        return;
+        return retval;
 }
 
 
-void dodecomptest(char *filename)
+int decompTest(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,
+        int w=0, h=0, subsamp=-1, cs=-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;
+        int row, col, i, iter, 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))==(unsigned long)-1)
                 _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(tjDecompressHeader3(handle, srcbuf, srcsize, &w, &h, &subsamp, &cs)==-1)
+                _throwtj("executing tjDecompressHeader3()");
+        if(cs==TJCS_YCCK || cs==TJCS_CMYK)
+        {
+                pf=TJPF_CMYK;  ps=tjPixelSize[pf];
+        }
 
         if(quiet==1)
         {
                 printf("All performance values in Mpixels/sec\n\n");
-                printf("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n",
+                printf("Bitmap     JPEG   JPEG     %s  %s   Xform   Comp    Decomp  ",
                         dotile? "Tile ":"Image", dotile? "Tile ":"Image");
-                printf("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n\n");
+                if(doyuv) printf("Decode");
+                printf("\n");
+                printf("Format     CS     Subsamp  Width  Height  Perf    Ratio   Perf    ");
+                if(doyuv) printf("Perf");
+                printf("\n\n");
         }
         else if(!quiet)
-        {
-                printf(">>>>>  JPEG %s --> %s (%s)  <<<<<\n", subNameLong[subsamp],
-                        pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down");
-        }
+                printf(">>>>>  JPEG %s --> %s (%s)  <<<<<\n",
+                        formatName(subsamp, cs, tempstr), 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 || !dotile)
                         for(i=0; i<ntilesw*ntilesh; i++)
                         {
-                                if((jpegbuf[i]=(unsigned char *)malloc(tjBufSize(tilew, tileh,
+                                if((jpegbuf[i]=(unsigned char *)tjAlloc(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);
+                        printf("%-4s (%s)  %-5s  %-5s    ", pixFormatStr[pf],
+                                (flags&TJFLAG_BOTTOMUP)? "BU":"TD", csName[cs], subNameLong[subsamp]);
+                        printf("%-5d  %-5d   ", 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;
 
+                        if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
+                                || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
+                        {
+                                if(_subsamp==TJSAMP_422) _subsamp=TJSAMP_440;
+                                else if(_subsamp==TJSAMP_440) _subsamp=TJSAMP_422;
+                        }
+
                         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;
+                                                tjFree(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;
+                        iter=-warmup;
+                        elapsed=0.;
+                        while(1)
+                        {
+                                start=gettime();
+                                if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
+                                        jpegsize, t, flags)==-1)
+                                        _throwtj("executing tjTransform()");
+                                iter++;
+                                if(iter>=1)
+                                {
+                                        elapsed+=gettime()-start;
+                                        if(elapsed>=benchtime) break;
+                                }
+                        }
 
                         free(t);  t=NULL;
 
                         for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
                                 totaljpegsize+=jpegsize[tile];
 
                         if(quiet)
                         {
-                                printf("%s%c%s%c",
+                                printf("%-6s%s%-6s%s",
                                         sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
-                                        quiet==2? '\n':'\t',
+                                        quiet==2? "\n":"  ",
                                         sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
-                                        quiet==2? '\n':'\t');
+                                        quiet==2? "\n":"  ");
                         }
                         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",
+                                printf("Transform     --> 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",
+                                printf("                  Throughput:         %f Megapixels/sec\n",
                                         (double)(w*h)/1000000./elapsed);
-                                printf("     Output bit stream:    %f Megabits/sec\n",
+                                printf("                  Output bit stream:  %f Megabits/sec\n",
                                         (double)totaljpegsize*8./1000000./elapsed);
                         }
                 }
                 else
                 {
-                        if(quiet==1) printf("N/A\tN/A\t");
+                        if(quiet==1) printf("N/A     N/A     ");
                         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,
+                        if(decomp(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;
+                        tjFree(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;
+                        if(jpegbuf[i]) tjFree(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;
+        return retval;
 }
 
 
 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("-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("     Test the specified color conversion path in the codec (default = BGR)\n");
+        printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
+        printf("     and destination bitmaps are still RGB.  The conversion is done\n");
+        printf("     internally prior to compression or after decompression.)\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("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
-        printf("     of chrominance subsampling to use (<s> = 444, 422, 440, 420, or GRAY).\n");
-        printf("     The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in sequence.\n");
+        printf("     of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
+        printf("     GRAY).  The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
+        printf("     sequence.\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("-yuv = Test YUV encoding/decoding functions\n");
+        printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
+        printf("     bytes to which each row of each plane in the intermediate YUV image is\n");
+        printf("     padded (default = 1)\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 ");
                 }
                 if(i%8==0 && i!=0) printf("\n     ");
         }
         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("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
+        printf("-warmup <w> = Execute each benchmark <w> times to prime the cache before\n");
+        printf("     taking performance measurements (default = 1)\n");
+        printf("-componly = Stop after running compression tests.  Do not test decompression.\n");
+        printf("-nowrite = Do not write reference or output images (improves consistency of\n");
+        printf("     performance measurements.)\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;
+        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(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)
+        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], "-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], "-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++)
                                         {
@@ skipping 17 matching lines @@
                         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(!strcasecmp(argv[i], "-nowrite")) dowrite=0;
                 }
         }
 
         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)
+        if((flags&TJFLAG_NOREALLOC)==0 && dotile)
         {
                 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
-                printf("work when YUV encoding or decoding is enabled.\n\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\tBitmap\tJPEG\tJPEG\t%s %s \tComp\tComp\tDecomp\n",
+                printf("Bitmap     JPEG     JPEG  %s  %s   ",
                         dotile? "Tile ":"Image", dotile? "Tile ":"Image");
-                printf("Format\tOrder\tSubsamp\tQual\tWidth Height\tPerf \tRatio\tPerf\n\n");
+                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)
         {
-                dodecomptest(argv[1]);
+                decompTest(argv[1]);
                 printf("\n");
                 goto bailout;
         }
         if(subsamp>=0 && subsamp<TJ_NUMSAMP)
         {
                 for(i=maxqual; i>=minqual; i--)
-                        dotest(srcbuf, w, h, subsamp, i, argv[1]);
+                        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--)
-                        dotest(srcbuf, w, h, TJSAMP_GRAY, i, argv[1]);
+                        fullTest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
                 printf("\n");
                 for(i=maxqual; i>=minqual; i--)
-                        dotest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
+                        fullTest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
                 printf("\n");
                 for(i=maxqual; i>=minqual; i--)
-                        dotest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
-                printf("\n");
-                for(i=maxqual; i>=minqual; i--)
-                        dotest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
+                        fullTest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
                 printf("\n");
         }
 
         bailout:
         if(srcbuf) free(srcbuf);
         return retval;
 }