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#include "mallocvar.h"
#include "fsize.h"
#include "frames.h"
Block **dct=NULL, **dctr=NULL, **dctb=NULL;
dct_data_type **dct_data; /* used in p/bframe.c */
/*===========================================================================*
*
* AllocDctBlocks
*
* allocate memory for dct blocks
*
* RETURNS: nothing
*
* SIDE EFFECTS: creates dct, dctr, dctb
*
*===========================================================================*/
void
AllocDctBlocks(void) {
int dctx, dcty;
int i;
dctx = Fsize_x / DCTSIZE;
dcty = Fsize_y / DCTSIZE;
MALLOCARRAY(dct, dcty);
ERRCHK(dct, "malloc");
for (i = 0; i < dcty; ++i) {
dct[i] = (Block *) malloc(sizeof(Block) * dctx);
ERRCHK(dct[i], "malloc");
}
MALLOCARRAY(dct_data, dcty);
ERRCHK(dct_data, "malloc");
for (i = 0; i < dcty; ++i) {
MALLOCARRAY(dct_data[i], dctx);
ERRCHK(dct[i], "malloc");
}
MALLOCARRAY(dctr, dcty/2);
ERRCHK(dctr, "malloc");
MALLOCARRAY(dctb, dcty/2);
ERRCHK(dctb, "malloc");
for (i = 0; i < dcty/2; ++i) {
MALLOCARRAY(dctr[i], dctx/2);
ERRCHK(dctr[i], "malloc");
MALLOCARRAY(dctb[i], dctx/2);
ERRCHK(dctb[i], "malloc");
}
}
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