float upSample3D(int x, int y, int z, int width, int height, int depth, float *data)
{
int i, u, v, w;
float sum = 0;
for(i = 0; i< UPSAMPLEFILTERSIZE; i++) {
u = x + i - 1; u = ModIn(u/2, width);
v = y/2;
w = z/2;
sum += data[w*width*height + v*width+ u] * upSampleFilterCoeffs[i];
}
for(i = 0; i< UPSAMPLEFILTERSIZE; i++) {
u = x/2;
v = y + i - 1; v = ModIn(v/2, height);
w = z/2;
sum += data[w*width*height + v*width+ u] * upSampleFilterCoeffs[i];
}
for(i = 0; i< UPSAMPLEFILTERSIZE; i++) {
u = x/2;
v = y/2;
w = z + i - 1; w = ModIn(w/2, height);
sum += data[w*width*height + v*width+ u] * upSampleFilterCoeffs[i];
}
sum /= 3.0;
return sum;
}
float downSample3D(int x, int y, int z, int width, int height, int depth, float *data)
{
int i, u, v, w;
float sum = 0;
for(i = 0; i< DOWNSAMPLEFILTERSIZE; i++) {
u = x*2 + i - 15; u = ModIn(u, width);
v = y*2;
w = z*2;
sum += data[w*width*height+ v*width + u] * downSampleFilterCoeffs[i];
}
for(i = 0; i< DOWNSAMPLEFILTERSIZE; i++) {
u = x*2;
v = y*2 + i - 15; v = ModIn(v, height);
w = z*2;
sum += data[w*width*height+ v*width+ u] * downSampleFilterCoeffs[i];
}
for(i = 0; i< DOWNSAMPLEFILTERSIZE; i++) {
u = x*2;
v = y*2;
w = z*2 + i - 15; w = ModIn(w, depth);
sum += data[w*width*height+ v*width+ u] * downSampleFilterCoeffs[i];
}
sum /= 3.0;
return sum;
}
float downSample2D(int x, int y, int width, int height, float *data)
{
int i, u, v;
float sum = 0;
for(i = 0; i< DOWNSAMPLEFILTERSIZE; i++) {
u = x*2 + i - 15; u = ModIn(u, width);
v = y*2;
sum += data[v*width+ u] * downSampleFilterCoeffs[i];
}
for(i = 0; i< DOWNSAMPLEFILTERSIZE; i++) {
u = x*2;
v = y*2 + i - 15; v = ModIn(v, height);
sum += data[v*width+ u] * downSampleFilterCoeffs[i];
}
sum /= 2.0;
return sum;
}
void onOut(CTcp *pTcp)
{
char buf[]={"ok\n"};
int len=strlen(buf);
pTcp->Send(buf,len);
ModIn(pTcp);
}
float upSample2D(int x, int y, int width, int height, float *data)
{
int i, u, v;
float sum = 0;
for(i = 0; i< UPSAMPLEFILTERSIZE; i++) {
u = x + i - 1; u = ModIn(u/2, width);
v = y/2;
sum += data[v*width+ u] * upSampleFilterCoeffs[i];
}
for(i = 0; i< UPSAMPLEFILTERSIZE; i++) {
u = x/2;
v = y + i - 1; v = ModIn(v/2, height);
sum += data[v*width+ u] * upSampleFilterCoeffs[i];
}
sum /= 2.0;
return sum;
}
