bool WriteJpeg( const char * destinationFile, const unsigned char * rgbxBuffer, int width, int height )
{
tjhandle tj = tjInitCompress();
unsigned char * jpegBuf = NULL;
unsigned long jpegSize = 0;
const int r = tjCompress2( tj, ( unsigned char * )rgbxBuffer, // TJ isn't const correct...
width, width * 4, height, TJPF_RGBX, &jpegBuf,
&jpegSize, TJSAMP_444 /* TJSAMP_422 */, 90 /* jpegQual */, 0 /* flags */ );
if ( r != 0 )
{
LOG_TJ( "tjCompress2 returned %s for %s", tjGetErrorStr(), destinationFile );
return false;
}
FILE * f = fopen( destinationFile, "wb" );
if ( f != NULL )
{
fwrite( jpegBuf, jpegSize, 1, f );
fclose( f );
}
else
{
LOG_TJ( "WriteJpeg failed to write to %s", destinationFile );
return false;
}
tjFree( jpegBuf );
tjDestroy( tj );
return true;
}
void WriteJpeg( const char * fullName, const unsigned char * rgbxBuffer, int width, int height )
{
tjhandle tj = tjInitCompress();
unsigned char * jpegBuf = NULL;
unsigned long jpegSize = 0;
const int r = tjCompress2( tj, ( unsigned char * )rgbxBuffer, // TJ isn't const correct...
width, width * 4, height, TJPF_RGBX, &jpegBuf,
&jpegSize, TJSAMP_444 /* TJSAMP_422 */, 90 /* jpegQual */, 0 /* flags */ );
if ( r != 0 )
{
LOG( "tjCompress2 returned %s for %s", tjGetErrorStr(), fullName );
return;
}
MemBuffer toFile( jpegBuf, jpegSize );
toFile.WriteToFile( fullName );
tjFree( jpegBuf );
tjDestroy( tj );
}
QByteArray ImageJpegCompressor::computeJpeg(const ImageWrapper& sourceImage,
const QRect& imageRegion)
{
// tjCompress API is incorrect and takes a non-const input buffer, even
// though it does not modify it. It can "safely" be cast to non-const
// pointer to comply to the incorrect API.
unsigned char* tjSrcBuffer = (unsigned char*)sourceImage.data;
tjSrcBuffer +=
imageRegion.y() * sourceImage.width * sourceImage.getBytesPerPixel();
tjSrcBuffer += imageRegion.x() * sourceImage.getBytesPerPixel();
const int tjWidth = imageRegion.width();
// assume imageBuffer isn't padded
const int tjPitch = sourceImage.width * sourceImage.getBytesPerPixel();
const int tjHeight = imageRegion.height();
const int tjPixelFormat = getTurboJpegFormat(sourceImage.pixelFormat);
unsigned char* tjJpegBuf = 0;
unsigned long tjJpegSize = 0;
const int tjJpegSubsamp = TJSAMP_444;
const int tjJpegQual = sourceImage.compressionQuality;
const int tjFlags = 0; // or: TJFLAG_BOTTOMUP
int err = tjCompress2(_tjHandle, tjSrcBuffer, tjWidth, tjPitch, tjHeight,
tjPixelFormat, &tjJpegBuf, &tjJpegSize, tjJpegSubsamp,
tjJpegQual, tjFlags);
if (err != 0)
{
std::cerr << "libjpeg-turbo image conversion failure" << std::endl;
return QByteArray();
}
// move the JPEG buffer to a byte array
const QByteArray jpegData((char*)tjJpegBuf, tjJpegSize);
// free the libjpeg-turbo allocated memory
tjFree(tjJpegBuf);
return jpegData;
}
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, cs=-1, _w, _h, _tilew, _tileh,
_ntilesw, _ntilesh, _subsamp;
char *temp=NULL, tempstr[80], tempstr2[80];
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(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 JPEG JPEG %s %s Xform Comp Decomp ",
dotile? "Tile ":"Image", dotile? "Tile ":"Image");
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",
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 *)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("%-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])
{
tjFree(jpegbuf[tile]); jpegbuf[tile]=NULL;
}
}
}
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("%-6s%s%-6s%s",
sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
quiet==2? "\n":" ",
sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
quiet==2? "\n":" ");
}
else if(!quiet)
{
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(" Throughput: %f Megapixels/sec\n",
(double)(w*h)/1000000./elapsed);
printf(" Output bit stream: %f Megabits/sec\n",
(double)totaljpegsize*8./1000000./elapsed);
}
}
else
{
if(quiet==1) printf("N/A 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(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++)
{
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]) 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 retval;
}
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;
}
int main(int argc, char *argv[])
{
unsigned char *srcBuf = NULL;
int w = 0, h = 0, i, j, minQual = -1, maxQual = -1;
char *temp;
int minArg = 2, retval = 0, subsamp = -1;
if ((scalingFactors = tjGetScalingFactors(&nsf)) == NULL || nsf == 0)
_throw("executing tjGetScalingFactors()", tjGetErrorStr());
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 (!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;
} else if (!strcasecmp(argv[i], "-fastupsample")) {
printf("Using fast upsampling code\n\n");
flags |= TJFLAG_FASTUPSAMPLE;
} else if (!strcasecmp(argv[i], "-fastdct")) {
printf("Using fastest DCT/IDCT algorithm\n\n");
flags |= TJFLAG_FASTDCT;
} else if (!strcasecmp(argv[i], "-accuratedct")) {
printf("Using most accurate DCT/IDCT algorithm\n\n");
flags |= TJFLAG_ACCURATEDCT;
} else if (!strcasecmp(argv[i], "-progressive")) {
printf("Using progressive entropy coding\n\n");
flags |= TJFLAG_PROGRESSIVE;
} else if (!strcasecmp(argv[i], "-rgb"))
pf = TJPF_RGB;
else if (!strcasecmp(argv[i], "-rgbx"))
pf = TJPF_RGBX;
else if (!strcasecmp(argv[i], "-bgr"))
pf = TJPF_BGR;
else if (!strcasecmp(argv[i], "-bgrx"))
pf = TJPF_BGRX;
else if (!strcasecmp(argv[i], "-xbgr"))
pf = TJPF_XBGR;
else if (!strcasecmp(argv[i], "-xrgb"))
pf = TJPF_XRGB;
else if (!strcasecmp(argv[i], "-cmyk"))
pf = TJPF_CMYK;
else if (!strcasecmp(argv[i], "-bottomup"))
flags |= TJFLAG_BOTTOMUP;
else if (!strcasecmp(argv[i], "-quiet"))
quiet = 1;
else if (!strcasecmp(argv[i], "-qq"))
quiet = 2;
else if (!strcasecmp(argv[i], "-scale") && i < argc - 1) {
int temp1 = 0, temp2 = 0, match = 0;
if (sscanf(argv[++i], "%d/%d", &temp1, &temp2) == 2) {
for (j = 0; j < nsf; j++) {
if ((double)temp1 / (double)temp2 ==
(double)scalingFactors[j].num /
(double)scalingFactors[j].denom) {
sf = scalingFactors[j];
match = 1; break;
}
}
if (!match) usage(argv[0]);
} else usage(argv[0]);
} else if (!strcasecmp(argv[i], "-hflip"))
xformOp = TJXOP_HFLIP;
else if (!strcasecmp(argv[i], "-vflip"))
xformOp = TJXOP_VFLIP;
else if (!strcasecmp(argv[i], "-transpose"))
xformOp = TJXOP_TRANSPOSE;
else if (!strcasecmp(argv[i], "-transverse"))
xformOp = TJXOP_TRANSVERSE;
else if (!strcasecmp(argv[i], "-rot90"))
xformOp = TJXOP_ROT90;
else if (!strcasecmp(argv[i], "-rot180"))
xformOp = TJXOP_ROT180;
else if (!strcasecmp(argv[i], "-rot270"))
xformOp = TJXOP_ROT270;
else if (!strcasecmp(argv[i], "-grayscale"))
xformOpt |= TJXOPT_GRAY;
else if (!strcasecmp(argv[i], "-custom"))
customFilter = dummyDCTFilter;
else if (!strcasecmp(argv[i], "-nooutput"))
xformOpt |= TJXOPT_NOOUTPUT;
else if (!strcasecmp(argv[i], "-copynone"))
xformOpt |= TJXOPT_COPYNONE;
else if (!strcasecmp(argv[i], "-benchtime") && i < argc - 1) {
double temp = atof(argv[++i]);
if (temp > 0.0) benchTime = temp;
else usage(argv[0]);
} else if (!strcasecmp(argv[i], "-warmup") && i < argc - 1) {
double temp = atof(argv[++i]);
if (temp >= 0.0) warmup = temp;
else usage(argv[0]);
printf("Warmup time = %.1f seconds\n\n", warmup);
} else if (!strcasecmp(argv[i], "-alloc"))
flags &= (~TJFLAG_NOREALLOC);
else if (!strcasecmp(argv[i], "-bmp"))
ext = "bmp";
else if (!strcasecmp(argv[i], "-yuv")) {
printf("Testing YUV planar encoding/decoding\n\n");
doYUV = 1;
} else if (!strcasecmp(argv[i], "-yuvpad") && i < argc - 1) {
int temp = atoi(argv[++i]);
if (temp >= 1) yuvPad = temp;
} else 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;
}
}
} else if (!strcasecmp(argv[i], "-componly"))
compOnly = 1;
else if (!strcasecmp(argv[i], "-nowrite"))
doWrite = 0;
else if (!strcasecmp(argv[i], "-stoponwarning"))
flags |= TJFLAG_STOPONWARNING;
else usage(argv[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 ((flags & TJFLAG_NOREALLOC) == 0 && doTile) {
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
doTile = 0;
}
if (!decompOnly) {
if ((srcBuf = tjLoadImage(argv[1], &w, 1, &h, &pf, flags)) == NULL)
_throwtjg("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 JPEG JPEG %s %s ",
doTile ? "Tile " : "Image", doTile ? "Tile " : "Image");
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) {
decompTest(argv[1]);
printf("\n");
goto bailout;
}
if (subsamp >= 0 && subsamp < TJ_NUMSAMP) {
for (i = maxQual; i >= minQual; i--)
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--)
fullTest(srcBuf, w, h, TJSAMP_420, i, argv[1]);
printf("\n");
for (i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJSAMP_422, i, argv[1]);
printf("\n");
for (i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJSAMP_444, i, argv[1]);
printf("\n");
}
bailout:
if (srcBuf) tjFree(srcBuf);
return retval;
}
