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Stack overflow patch for line denoise

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This commit is contained in:
ffsup2
2010-07-02 20:08:43 +02:00
parent e0c25b4db6
commit fdc4e1672b
1 changed files with 11 additions and 55 deletions
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66
rtengine/cfa_linedn_RT.cc
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@@ -73,44 +73,7 @@ void RawImageSource::CLASS cfa_linedn(float noise)
float aarr[8][8], *dctblock[8];
for (i = 0; i < 8; i++) dctblock[i] = aarr[i];
/*
char *buffer; // TS*TS*16
float (*cfain); // TS*TS*4
float (*cfablur); // TS*TS*4
float (*cfadiff); // TS*TS*4
float (*cfadn); // TS*TS*4
*/
double dt;
clock_t t1, t2;
//clock_t t1_main, t2_main = 0;
// start
//if (verbose) fprintf (stderr,_("CFA line denoise ...\n"));
//t1 = clock();
/*
// assign working space
buffer = (char *) malloc(4*TS*TS*sizeof(float));
//merror(buffer,"cfa_linedn()");
memset(buffer,0,4*TS*TS*sizeof(float));
// rgb array
cfain = (float (*)) buffer; //pointers to rows of array
cfablur = (float (*)) (buffer + 4*TS*TS);
cfadiff = (float (*)) (buffer + 8*TS*TS);
cfadn = (float (*)) (buffer + 12*TS*TS);
*/
/*
float cfain[TS*TS];
float cfablur[TS*TS];
float cfadiff[TS*TS];
float cfadn[TS*TS];
*/
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if (plistener) {
@@ -120,8 +83,12 @@ void RawImageSource::CLASS cfa_linedn(float noise)
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
noisevar=SQR(3*noise*65535); // _noise_ (as a fraction of saturation) is input to the algorithm
float *cfain= new float[TS*TS];
float *cfablur= new float[TS*TS];
float *cfadiff= new float[TS*TS];
float *cfadn= new float[TS*TS];
// Main algorithm: Tile loop
for (top=0; top < height-16; top += TS-32)
@@ -131,11 +98,6 @@ void RawImageSource::CLASS cfa_linedn(float noise)
int numrows = bottom - top;
int numcols = right - left;
float cfain[TS*TS];
float cfablur[TS*TS];
float cfadiff[TS*TS];
float cfadn[TS*TS];
// load CFA data; data should be in linear gamma space, before white balance multipliers are applied
for (rr=top; rr < top+numrows; rr++)
for (cc=left, indx=(rr-top)*TS; cc < left+numcols; cc++, indx++) {
@@ -232,18 +194,12 @@ void RawImageSource::CLASS cfa_linedn(float noise)
}
if(plistener) plistener->setProgress(fabs((float)top/height));
}
// clean up
//free(buffer);
// done
/*t2 = clock();
dt = ((double)(t2-t1)) / CLOCKS_PER_SEC;
if (verbose) {
fprintf(stderr,_("elapsed time = %5.3fs\n"),dt);
}*/
delete [] cfain;
delete [] cfablur;
delete [] cfadiff;
delete [] cfadn;
}
#undef TS