232 #define OUT(x, y) dst[(x) + (y) * BPS]  macro
393   OUT(0, 3)                                     = AVG3(J, K, L);  in RD4()
394   OUT(0, 2) = OUT(1, 3)                         = AVG3(I, J, K);  in RD4()
395   OUT(0, 1) = OUT(1, 2) = OUT(2, 3)             = AVG3(X, I, J);  in RD4()
396   OUT(0, 0) = OUT(1, 1) = OUT(2, 2) = OUT(3, 3) = AVG3(A, X, I);  in RD4()
397   OUT(1, 0) = OUT(2, 1) = OUT(3, 2)             = AVG3(B, A, X);  in RD4()
398   OUT(2, 0) = OUT(3, 1)                         = AVG3(C, B, A);  in RD4()
399   OUT(3, 0)                                     = AVG3(D, C, B);  in RD4()
411   OUT(0, 0)                                     = AVG3(A, B, C);  in LD4()
412   OUT(1, 0) = OUT(0, 1)                         = AVG3(B, C, D);  in LD4()
413   OUT(2, 0) = OUT(1, 1) = OUT(0, 2)             = AVG3(C, D, E);  in LD4()
414   OUT(3, 0) = OUT(2, 1) = OUT(1, 2) = OUT(0, 3) = AVG3(D, E, F);  in LD4()
415   OUT(3, 1) = OUT(2, 2) = OUT(1, 3)             = AVG3(E, F, G);  in LD4()
416   OUT(3, 2) = OUT(2, 3)                         = AVG3(F, G, H);  in LD4()
417   OUT(3, 3)                                     = AVG3(G, H, H);  in LD4()
429   OUT(0, 0) = OUT(1, 2) = AVG2(X, A);  in VR4()
430   OUT(1, 0) = OUT(2, 2) = AVG2(A, B);  in VR4()
431   OUT(2, 0) = OUT(3, 2) = AVG2(B, C);  in VR4()
432   OUT(3, 0)             = AVG2(C, D);  in VR4()
434   OUT(0, 3) =             AVG3(K, J, I);  in VR4()
435   OUT(0, 2) =             AVG3(J, I, X);  in VR4()
436   OUT(0, 1) = OUT(1, 3) = AVG3(I, X, A);  in VR4()
437   OUT(1, 1) = OUT(2, 3) = AVG3(X, A, B);  in VR4()
438   OUT(2, 1) = OUT(3, 3) = AVG3(A, B, C);  in VR4()
439   OUT(3, 1) =             AVG3(B, C, D);  in VR4()
451   OUT(0, 0) =             AVG2(A, B);  in VL4()
452   OUT(1, 0) = OUT(0, 2) = AVG2(B, C);  in VL4()
453   OUT(2, 0) = OUT(1, 2) = AVG2(C, D);  in VL4()
454   OUT(3, 0) = OUT(2, 2) = AVG2(D, E);  in VL4()
456   OUT(0, 1) =             AVG3(A, B, C);  in VL4()
457   OUT(1, 1) = OUT(0, 3) = AVG3(B, C, D);  in VL4()
458   OUT(2, 1) = OUT(1, 3) = AVG3(C, D, E);  in VL4()
459   OUT(3, 1) = OUT(2, 3) = AVG3(D, E, F);  in VL4()
460               OUT(3, 2) = AVG3(E, F, G);  in VL4()
461               OUT(3, 3) = AVG3(F, G, H);  in VL4()
469   OUT(0, 0) =             AVG2(I, J);  in HU4()
470   OUT(2, 0) = OUT(0, 1) = AVG2(J, K);  in HU4()
471   OUT(2, 1) = OUT(0, 2) = AVG2(K, L);  in HU4()
472   OUT(1, 0) =             AVG3(I, J, K);  in HU4()
473   OUT(3, 0) = OUT(1, 1) = AVG3(J, K, L);  in HU4()
474   OUT(3, 1) = OUT(1, 2) = AVG3(K, L, L);  in HU4()
475   OUT(3, 2) = OUT(2, 2) =  in HU4()
476   OUT(0, 3) = OUT(1, 3) = OUT(2, 3) = OUT(3, 3) = L;  in HU4()
489   OUT(0, 0) = OUT(2, 1) = AVG2(I, X);  in HD4()
490   OUT(0, 1) = OUT(2, 2) = AVG2(J, I);  in HD4()
491   OUT(0, 2) = OUT(2, 3) = AVG2(K, J);  in HD4()
492   OUT(0, 3)             = AVG2(L, K);  in HD4()
494   OUT(3, 0)             = AVG3(A, B, C);  in HD4()
495   OUT(2, 0)             = AVG3(X, A, B);  in HD4()
496   OUT(1, 0) = OUT(3, 1) = AVG3(I, X, A);  in HD4()
497   OUT(1, 1) = OUT(3, 2) = AVG3(J, I, X);  in HD4()
498   OUT(1, 2) = OUT(3, 3) = AVG3(K, J, I);  in HD4()
499   OUT(1, 3)             = AVG3(L, K, J);  in HD4()