The ornamental design for a digitalvideocamera, as shown and described.
FIG. 1 is a front view of a digital video camera showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a rear, top and left perspective view thereof;
FIG. 8 is a rear and top perspective view thereof; and,
FIG. 9 is a rear, bottom and left perspective view thereof.
The dash-dotted broken lines in drawings define the bounds of the claimed design; the evenly spaced broken lines show the digital video camera; all broken lines form no part of the claimed design.