224     int maxx, maxy, x, y, len;  in imageop_tovideo()  local
231     if ( !PyArg_ParseTuple(args, "s#iii", &cp, &len, &width, &maxx, &maxy) )  in imageop_tovideo()
238     if ( !check_multiply_size(len, maxx, "max", maxy, "maxy", width) )  in imageop_tovideo()
247         memcpy(ncp, cp, maxx);                  /* Copy first line */  in imageop_tovideo()
248         ncp += maxx;  in imageop_tovideo()
250             for(x=0; x<maxx; x++) {  in imageop_tovideo()
251                 i = y*maxx + x;  in imageop_tovideo()
252                 *ncp++ = ((int)cp[i] + (int)cp[i-maxx]) >> 1;  in imageop_tovideo()
256         memcpy(ncp, cp, maxx*4);                        /* Copy first line */  in imageop_tovideo()
257         ncp += maxx*4;  in imageop_tovideo()
259             for(x=0; x<maxx; x++) {  in imageop_tovideo()
260                 i = (y*maxx + x)*4 + 1;  in imageop_tovideo()
262                 *ncp++ = ((int)cp[i] + (int)cp[i-4*maxx]) >> 1;  in imageop_tovideo()
264                 *ncp++ = ((int)cp[i] + (int)cp[i-4*maxx]) >> 1;  in imageop_tovideo()
266                 *ncp++ = ((int)cp[i] + (int)cp[i-4*maxx]) >> 1;  in imageop_tovideo()