void dotestyuv(unsigned char *srcbuf, int w, int h, int subsamp,
char *filename)
{
char tempstr[1024], tempstr2[80];
FILE *file=NULL; tjhandle handle=NULL;
unsigned char *dstbuf=NULL;
double start, elapsed;
int i, retval=0, ps=tjPixelSize[pf];
int yuvsize=0;
yuvsize=tjBufSizeYUV(w, h, subsamp);
if((dstbuf=(unsigned char *)malloc(yuvsize)) == NULL)
_throwunix("allocating image buffer");
if(!quiet)
printf(">>>>> %s (%s) <--> YUV %s <<<<<\n", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp]);
if(quiet==1)
printf("%s\t%s\t%s\tN/A\t", pixFormatStr[pf],
(flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp]);
if((handle=tjInitCompress())==NULL)
_throwtj("executing tjInitCompress()");
/* Execute once to preload cache */
if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1)
_throwtj("executing tjEncodeYUV2()");
/* Benchmark */
for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
{
if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1)
_throwtj("executing tjEncodeYUV2()");
}
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet==1) printf("%-4d %-4d\t", w, h);
if(quiet)
{
printf("%s%c%s%c",
sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024),
quiet==2? '\n':'\t',
sigfig((double)(w*h*ps)/(double)yuvsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
else
{
printf("\n%s size: %d x %d\n", "Image", w, h);
printf("C--> Frame rate: %f fps\n", (double)i/elapsed);
printf(" Output image size: %d bytes\n", yuvsize);
printf(" Compression ratio: %f:1\n",
(double)(w*h*ps)/(double)yuvsize);
printf(" Source throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000.*(double)i/elapsed);
printf(" Output bit stream: %f Megabits/sec\n",
(double)yuvsize*8./1000000.*(double)i/elapsed);
}
snprintf(tempstr, 1024, "%s_%s.yuv", filename, subName[subsamp]);
if((file=fopen(tempstr, "wb"))==NULL)
_throwunix("opening reference image");
if(fwrite(dstbuf, yuvsize, 1, file)!=1)
_throwunix("writing reference image");
fclose(file); file=NULL;
if(!quiet) printf("Reference image written to %s\n", tempstr);
bailout:
if(file) {fclose(file); file=NULL;}
if(dstbuf) {free(dstbuf); dstbuf=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
return;
}
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 **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];
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", 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 *)tjAlloc(tjBufSize(tilew, tileh,
subsamp)))==NULL)
_throwunix("allocating JPEG tiles");
}
/* Compression test */
if(quiet==1)
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()");
if(doyuv)
{
yuvsize=tjBufSizeYUV2(tilew, yuvpad, tileh, subsamp);
if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
_throwunix("allocating YUV buffer");
memset(yuvbuf, 127, yuvsize);
}
/* Benchmark */
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(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("%-5d %-5d ", tilew, tileh);
if(quiet)
{
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":" ");
}
else
{
printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew,
tileh);
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(" 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)
{
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(!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]) 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]) 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 retval;
}
