SUB_PIXELS         44 libavfilter/vf_perspective.c     int32_t coeff[SUB_PIXELS][4];
SUB_PIXELS        215 libavfilter/vf_perspective.c             u =      lrint(SUB_PIXELS * (x0 * x + x1 * y + x2) /
SUB_PIXELS        217 libavfilter/vf_perspective.c             v =      lrint(SUB_PIXELS * (x3 * x + x4 * y + x5) /
SUB_PIXELS        255 libavfilter/vf_perspective.c     for (i = 0; i < SUB_PIXELS; i++){
SUB_PIXELS        256 libavfilter/vf_perspective.c         double d = i / (double)SUB_PIXELS;
SUB_PIXELS        308 libavfilter/vf_perspective.c             subU = u & (SUB_PIXELS - 1);
SUB_PIXELS        309 libavfilter/vf_perspective.c             subV = v & (SUB_PIXELS - 1);
SUB_PIXELS        387 libavfilter/vf_perspective.c             subU = u & (SUB_PIXELS - 1);
SUB_PIXELS        388 libavfilter/vf_perspective.c             subV = v & (SUB_PIXELS - 1);
SUB_PIXELS        393 libavfilter/vf_perspective.c             subUI = SUB_PIXELS - subU;
SUB_PIXELS        394 libavfilter/vf_perspective.c             subVI = SUB_PIXELS - subV;