227 #define DST(x, y) dst[(x) + (y) * BPS]  macro
390   DST(0, 3)                                     = AVG3(J, K, L);  in RD4()
391   DST(0, 2) = DST(1, 3)                         = AVG3(I, J, K);  in RD4()
392   DST(0, 1) = DST(1, 2) = DST(2, 3)             = AVG3(X, I, J);  in RD4()
393   DST(0, 0) = DST(1, 1) = DST(2, 2) = DST(3, 3) = AVG3(A, X, I);  in RD4()
394   DST(1, 0) = DST(2, 1) = DST(3, 2)             = AVG3(B, A, X);  in RD4()
395   DST(2, 0) = DST(3, 1)                         = AVG3(C, B, A);  in RD4()
396   DST(3, 0)                                     = AVG3(D, C, B);  in RD4()
408   DST(0, 0)                                     = AVG3(A, B, C);  in LD4()
409   DST(1, 0) = DST(0, 1)                         = AVG3(B, C, D);  in LD4()
410   DST(2, 0) = DST(1, 1) = DST(0, 2)             = AVG3(C, D, E);  in LD4()
411   DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F);  in LD4()
412   DST(3, 1) = DST(2, 2) = DST(1, 3)             = AVG3(E, F, G);  in LD4()
413   DST(3, 2) = DST(2, 3)                         = AVG3(F, G, H);  in LD4()
414   DST(3, 3)                                     = AVG3(G, H, H);  in LD4()
426   DST(0, 0) = DST(1, 2) = AVG2(X, A);  in VR4()
427   DST(1, 0) = DST(2, 2) = AVG2(A, B);  in VR4()
428   DST(2, 0) = DST(3, 2) = AVG2(B, C);  in VR4()
429   DST(3, 0)             = AVG2(C, D);  in VR4()
431   DST(0, 3) =             AVG3(K, J, I);  in VR4()
432   DST(0, 2) =             AVG3(J, I, X);  in VR4()
433   DST(0, 1) = DST(1, 3) = AVG3(I, X, A);  in VR4()
434   DST(1, 1) = DST(2, 3) = AVG3(X, A, B);  in VR4()
435   DST(2, 1) = DST(3, 3) = AVG3(A, B, C);  in VR4()
436   DST(3, 1) =             AVG3(B, C, D);  in VR4()
448   DST(0, 0) =             AVG2(A, B);  in VL4()
449   DST(1, 0) = DST(0, 2) = AVG2(B, C);  in VL4()
450   DST(2, 0) = DST(1, 2) = AVG2(C, D);  in VL4()
451   DST(3, 0) = DST(2, 2) = AVG2(D, E);  in VL4()
453   DST(0, 1) =             AVG3(A, B, C);  in VL4()
454   DST(1, 1) = DST(0, 3) = AVG3(B, C, D);  in VL4()
455   DST(2, 1) = DST(1, 3) = AVG3(C, D, E);  in VL4()
456   DST(3, 1) = DST(2, 3) = AVG3(D, E, F);  in VL4()
457               DST(3, 2) = AVG3(E, F, G);  in VL4()
458               DST(3, 3) = AVG3(F, G, H);  in VL4()
466   DST(0, 0) =             AVG2(I, J);  in HU4()
467   DST(2, 0) = DST(0, 1) = AVG2(J, K);  in HU4()
468   DST(2, 1) = DST(0, 2) = AVG2(K, L);  in HU4()
469   DST(1, 0) =             AVG3(I, J, K);  in HU4()
470   DST(3, 0) = DST(1, 1) = AVG3(J, K, L);  in HU4()
471   DST(3, 1) = DST(1, 2) = AVG3(K, L, L);  in HU4()
472   DST(3, 2) = DST(2, 2) =  in HU4()
473   DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L;  in HU4()
486   DST(0, 0) = DST(2, 1) = AVG2(I, X);  in HD4()
487   DST(0, 1) = DST(2, 2) = AVG2(J, I);  in HD4()
488   DST(0, 2) = DST(2, 3) = AVG2(K, J);  in HD4()
489   DST(0, 3)             = AVG2(L, K);  in HD4()
491   DST(3, 0)             = AVG3(A, B, C);  in HD4()
492   DST(2, 0)             = AVG3(X, A, B);  in HD4()
493   DST(1, 0) = DST(3, 1) = AVG3(I, X, A);  in HD4()
494   DST(1, 1) = DST(3, 2) = AVG3(J, I, X);  in HD4()
495   DST(1, 2) = DST(3, 3) = AVG3(K, J, I);  in HD4()
496   DST(1, 3)             = AVG3(L, K, J);  in HD4()
511 #undef DST