JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize
(JNIEnv *env, jclass cls, jint width, jint height, jint jpegSubsamp)
{
jint retval=(jint)tjBufSize(width, height, jpegSubsamp);
if(retval==-1) _throw(tjGetErrorStr());
bailout:
return retval;
}
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII
(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,
jint stride, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jsize arraySize=0, actualStride;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| stride<0)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("Pixel format must be 32-bit when compressing from an integer buffer.");
actualStride=(stride==0)? width:stride;
arraySize=(y+height-1)*actualStride + x+width;
if((*env)->GetArrayLength(env, src)<arraySize)
_throw("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throw("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjCompress2(handle, &srcBuf[(y*actualStride + x)*sizeof(int)], width,
stride*sizeof(jint), height, pf, &jpegBuf, &jpegSize, jpegSubsamp,
jpegQual, flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
jpegBuf=srcBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
static jint TJCompressor_compress
(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint x, jint y,
jint width, jint pitch, jint height, jint pf, jbyteArray dst,
jint jpegSubsamp, jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jsize arraySize=0, actualPitch;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| pitch<0)
_throwarg("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throwarg("Mismatch between Java and C API");
actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)
_throwarg("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throwarg("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(ProcessSystemProperties(env)<0) goto bailout;
if(tjCompress2(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]], width,
pitch, height, pf, &jpegBuf, &jpegSize, jpegSubsamp, jpegQual,
flags|TJFLAG_NOREALLOC)==-1)
_throwtj();
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII
(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,
jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,
jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0; jsize arraySize=0;
unsigned char *srcBuf=NULL, *jpegBuf=NULL;
gethandle();
if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
|| pitch<0)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("Mismatch between Java and C API");
arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height;
if((*env)->GetArrayLength(env, src)<arraySize)
_throw("Source buffer is not large enough");
jpegSize=tjBufSize(width, height, jpegSubsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throw("Destination buffer is not large enough");
bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(tjCompress2(handle, srcBuf, width, pitch, height, pf, &jpegBuf,
&jpegSize, jpegSubsamp, jpegQual, flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
jpegBuf=srcBuf=NULL;
_throw(tjGetErrorStr());
}
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
return (jint)jpegSize;
}
JNIEXPORT jintArray JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_transform
(JNIEnv *env, jobject obj, jbyteArray jsrcBuf, jint jpegSize,
jobjectArray dstobjs, jobjectArray tobjs, jint flags)
{
tjhandle handle=0; int i;
unsigned char *jpegBuf=NULL, **dstBufs=NULL; jsize n=0;
unsigned long *dstSizes=NULL; tjtransform *t=NULL;
jbyteArray *jdstBufs=NULL;
int jpegWidth=0, jpegHeight=0, jpegSubsamp;
jintArray jdstSizes=0; jint *dstSizesi=NULL;
JNICustomFilterParams *params=NULL;
gethandle();
if((*env)->GetArrayLength(env, jsrcBuf)<jpegSize)
_throw("Source buffer is not large enough");
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));
jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));
jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));
jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);
n=(*env)->GetArrayLength(env, dstobjs);
if(n!=(*env)->GetArrayLength(env, tobjs))
_throw("Mismatch between size of transforms array and destination buffers array");
if((dstBufs=(unsigned char **)malloc(sizeof(unsigned char *)*n))==NULL)
_throw("Memory allocation failure");
if((jdstBufs=(jbyteArray *)malloc(sizeof(jbyteArray)*n))==NULL)
_throw("Memory allocation failure");
if((dstSizes=(unsigned long *)malloc(sizeof(unsigned long)*n))==NULL)
_throw("Memory allocation failure");
if((t=(tjtransform *)malloc(sizeof(tjtransform)*n))==NULL)
_throw("Memory allocation failure");
if((params=(JNICustomFilterParams *)malloc(sizeof(JNICustomFilterParams)*n))
==NULL)
_throw("Memory allocation failure");
for(i=0; i<n; i++)
{
dstBufs[i]=NULL; jdstBufs[i]=NULL; dstSizes[i]=0;
memset(&t[i], 0, sizeof(tjtransform));
memset(¶ms[i], 0, sizeof(JNICustomFilterParams));
}
for(i=0; i<n; i++)
{
jobject tobj, cfobj;
bailif0(tobj=(*env)->GetObjectArrayElement(env, tobjs, i));
bailif0(_cls=(*env)->GetObjectClass(env, tobj));
bailif0(_fid=(*env)->GetFieldID(env, _cls, "op", "I"));
t[i].op=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "options", "I"));
t[i].options=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "x", "I"));
t[i].r.x=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "y", "I"));
t[i].r.y=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "width", "I"));
t[i].r.w=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "height", "I"));
t[i].r.h=(*env)->GetIntField(env, tobj, _fid);
bailif0(_fid=(*env)->GetFieldID(env, _cls, "cf",
"Lorg/libjpegturbo/turbojpeg/TJCustomFilter;"));
cfobj=(*env)->GetObjectField(env, tobj, _fid);
if(cfobj)
{
params[i].env=env;
params[i].tobj=tobj;
params[i].cfobj=cfobj;
t[i].customFilter=JNICustomFilter;
t[i].data=(void *)¶ms[i];
}
}
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, jsrcBuf, 0));
for(i=0; i<n; i++)
{
int w=jpegWidth, h=jpegHeight;
if(t[i].r.w!=0) w=t[i].r.w;
if(t[i].r.h!=0) h=t[i].r.h;
bailif0(jdstBufs[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));
if((unsigned long)(*env)->GetArrayLength(env, jdstBufs[i])
<tjBufSize(w, h, jpegSubsamp))
_throw("Destination buffer is not large enough");
bailif0(dstBufs[i]=(*env)->GetPrimitiveArrayCritical(env, jdstBufs[i], 0));
}
if(tjTransform(handle, jpegBuf, jpegSize, n, dstBufs, dstSizes, t,
flags|TJFLAG_NOREALLOC)==-1)
{
(*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
jpegBuf=NULL;
for(i=0; i<n; i++)
{
(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);
dstBufs[i]=NULL;
}
_throw(tjGetErrorStr());
}
jdstSizes=(*env)->NewIntArray(env, n);
bailif0(dstSizesi=(*env)->GetIntArrayElements(env, jdstSizes, 0));
for(i=0; i<n; i++) dstSizesi[i]=(int)dstSizes[i];
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
if(dstBufs)
{
for(i=0; i<n; i++)
{
if(dstBufs[i] && jdstBufs && jdstBufs[i])
(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);
}
free(dstBufs);
}
if(jdstBufs) free(jdstBufs);
if(dstSizes) free(dstSizes);
if(dstSizesi) (*env)->ReleaseIntArrayElements(env, jdstSizes, dstSizesi, 0);
if(t) free(t);
return jdstSizes;
}
tbb::task* execute() {
auto &msg = *message;
VncServer::EncodeResult result(message);
if (depth) {
const char *zbuf = reinterpret_cast<const char *>(depth);
if (msg.compression & rfbTileDepthQuantize) {
const int ds = msg.format == rfbDepth16Bit ? 2 : 3;
msg.size = depthquant_size(DepthFloat, ds, w, h);
char *qbuf = new char[msg.size];
depthquant(qbuf, zbuf, DepthFloat, ds, x, y, w, h, stride);
#ifdef QUANT_ERROR
std::vector<char> dequant(sizeof(float)*w*h);
depthdequant(dequant.data(), qbuf, DepthFloat, ds, 0, 0, w, h);
//depthquant(qbuf, dequant.data(), DepthFloat, ds, x, y, w, h, stride); // test depthcompare
depthcompare(zbuf, dequant.data(), DepthFloat, ds, w, h);
#endif
result.payload = qbuf;
} else {
char *tilebuf = new char[msg.size];
for (int yy=0; yy<h; ++yy) {
memcpy(tilebuf+yy*bpp*w, zbuf+((yy+y)*stride+x)*bpp, w*bpp);
}
result.payload = tilebuf;
}
} else if (rgba) {
if (msg.compression & rfbTileJpeg) {
int ret = -1;
#ifdef HAVE_TURBOJPEG
TJSAMP subsamp = TJSAMP_420;
TjContext::reference tj = tjContexts.local();
size_t maxsize = tjBufSize(msg.width, msg.height, subsamp);
char *jpegbuf = new char[maxsize];
unsigned long sz = 0;
//unsigned char *src = reinterpret_cast<unsigned char *>(rgba);
rgba += (msg.totalwidth*msg.y+msg.x)*bpp;
{
#ifdef TIMING
double start = vistle::Clock::time();
#endif
ret = tjCompress(tj.handle, rgba, msg.width, msg.totalwidth*bpp, msg.height, bpp, reinterpret_cast<unsigned char *>(jpegbuf), &sz, subsamp, 90, TJ_BGR);
#ifdef TIMING
double dur = vistle::Clock::time() - start;
std::cerr << "JPEG compression: " << dur << "s, " << msg.width*(msg.height/dur)/1e6 << " MPix/s" << std::endl;
#endif
}
if (ret >= 0) {
msg.size = sz;
result.payload = jpegbuf;
}
#endif
if (ret < 0)
msg.compression &= ~rfbTileJpeg;
}
if (!(msg.compression & rfbTileJpeg)) {
char *tilebuf = new char[msg.size];
for (int yy=0; yy<h; ++yy) {
memcpy(tilebuf+yy*bpp*w, rgba+((yy+y)*stride+x)*bpp, w*bpp);
}
result.payload = tilebuf;
}
}
#ifdef HAVE_SNAPPY
if((msg.compression & rfbTileSnappy) && !(msg.compression & rfbTileJpeg)) {
size_t maxsize = snappy::MaxCompressedLength(msg.size);
char *sbuf = new char[maxsize];
size_t compressed = 0;
{
#ifdef TIMING
double start = vistle::Clock::time();
#endif
snappy::RawCompress(result.payload, msg.size, sbuf, &compressed);
#ifdef TIMING
vistle::StopWatch timer(rgba ? "snappy RGBA" : "snappy depth");
double dur = vistle::Clock::time() - start;
std::cerr << "SNAPPY " << (rgba ? "RGB" : "depth") << ": " << dur << "s, " << msg.width*(msg.height/dur)/1e6 << " MPix/s" << std::endl;
#endif
}
msg.size = compressed;
//std::cerr << "compressed " << msg.size << " to " << compressed << " (buf: " << cd->buf.size() << ")" << std::endl;
delete[] result.payload;
result.payload = sbuf;
} else {
msg.compression &= ~rfbTileSnappy;
}
#endif
resultQueue.push(result);
return nullptr; // or a pointer to a new task to be executed immediately
}
/* TurboJPEG 1.4.x: TJCompressor::compressFromYUV() */
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compressFromYUV___3_3B_3II_3III_3BII
(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
jint width, jintArray jSrcStrides, jint height, jint subsamp,
jbyteArray dst, jint jpegQual, jint flags)
{
tjhandle handle=0;
unsigned long jpegSize=0;
jbyteArray jSrcPlanes[3]={NULL, NULL, NULL};
unsigned char *srcPlanes[3], *jpegBuf=NULL;
int *srcOffsets=NULL, *srcStrides=NULL;
int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
gethandle();
if(subsamp<0 || subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
_throwarg("Invalid argument in compressFromYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throwarg("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, srcobjs)<nc)
_throwarg("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
_throwarg("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcStrides)<nc)
_throwarg("Strides array is too small for the subsampling type");
jpegSize=tjBufSize(width, height, subsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throwarg("Destination buffer is not large enough");
bailif0(srcOffsets=(*env)->GetPrimitiveArrayCritical(env, jSrcOffsets, 0));
bailif0(srcStrides=(*env)->GetPrimitiveArrayCritical(env, jSrcStrides, 0));
for(i=0; i<nc; i++)
{
int planeSize=tjPlaneSizeYUV(i, width, srcStrides[i], height, subsamp);
int pw=tjPlaneWidth(i, width, subsamp);
if(planeSize<0 || pw<0)
_throwarg(tjGetErrorStr());
if(srcOffsets[i]<0)
_throwarg("Invalid argument in compressFromYUV()");
if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
bailif0(jSrcPlanes[i]=(*env)->GetObjectArrayElement(env, srcobjs, i));
if((*env)->GetArrayLength(env, jSrcPlanes[i])<srcOffsets[i]+planeSize)
_throwarg("Source plane is not large enough");
bailif0(srcPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jSrcPlanes[i],
0));
srcPlanes[i]=&srcPlanes[i][srcOffsets[i]];
}
bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
if(ProcessSystemProperties(env)<0) goto bailout;
if(tjCompressFromYUVPlanes(handle, srcPlanes, width, srcStrides, height,
subsamp, &jpegBuf, &jpegSize, jpegQual, flags|TJFLAG_NOREALLOC)==-1)
_throwtj();
bailout:
if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
for(i=0; i<nc; i++)
{
if(srcPlanes[i] && jSrcPlanes[i])
(*env)->ReleasePrimitiveArrayCritical(env, jSrcPlanes[i], srcPlanes[i],
0);
}
if(srcStrides)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcStrides, srcStrides, 0);
if(srcOffsets)
(*env)->ReleasePrimitiveArrayCritical(env, jSrcOffsets, srcOffsets, 0);
return (jint)jpegSize;
}
void dodecomptest(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,
_ntilesw, _ntilesh, _subsamp;
char *temp=NULL, tempstr[80], tempstr2[80];
int row, col, i, tilew, tileh, ntilesw, ntilesh, 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))<0)
_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(quiet==1)
{
printf("All performance values in Mpixels/sec\n\n");
printf("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n",
dotile? "Tile ":"Image", dotile? "Tile ":"Image");
printf("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n\n");
}
else if(!quiet)
{
printf(">>>>> JPEG %s --> %s (%s) <<<<<\n", subNameLong[subsamp],
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)
for(i=0; i<ntilesw*ntilesh; i++)
{
if((jpegbuf[i]=(unsigned char *)malloc(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);
}
_subsamp=subsamp;
if(dotile || xformop!=TJXOP_NONE || xformopt!=0)
{
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;
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;
}
}
start=gettime();
if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
jpegsize, t, flags)==-1)
_throwtj("executing tjTransform()");
elapsed=gettime()-start;
free(t); t=NULL;
for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
totaljpegsize+=jpegsize[tile];
if(quiet)
{
printf("%s%c%s%c",
sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
quiet==2? '\n':'\t',
sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
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",
(double)(w*h*ps)/(double)totaljpegsize);
printf(" Source 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\tN/A\t");
jpegsize[0]=srcsize;
memcpy(jpegbuf[0], srcbuf, srcsize);
}
if(w==tilew) _tilew=_w;
if(h==tileh) _tileh=_h;
if(decomptest(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0,
filename, _tilew, _tileh)==-1)
goto bailout;
for(i=0; i<ntilesw*ntilesh; i++)
{
free(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;
}
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;
}
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;
int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=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;}
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],
(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,
subsamp)))==NULL)
_throwunix("allocating JPEG tiles");
}
/* Compression test */
if(quiet==1)
printf("%s\t%s\t%s\t%d\t", pixFormatStr[pf],
(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()");
/* Benchmark */
for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++)
{
int tile=0;
totaljpegsize=0;
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");
totaljpegsize+=jpegsize[tile];
}
}
}
if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
handle=NULL;
if(quiet==1) printf("%-4d %-4d\t", tilew, tileh);
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)totaljpegsize, 4, tempstr2, 80),
quiet==2? '\n':'\t');
}
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",
(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);
}
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(decomptest(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;
}
free(jpegbuf); jpegbuf=NULL;
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;
}
free(jpegbuf); jpegbuf=NULL;
}
if(jpegsize) {free(jpegsize); jpegsize=NULL;}
if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;}
if(handle) {tjDestroy(handle); handle=NULL;}
return;
}
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;
}