161 #define DST(x, y) dst[(x) + (y) * BPS]  macro
288   DST(0, 3)                                     = AVG3(J, K, L);  in RD4()
289   DST(1, 3) = DST(0, 2)                         = AVG3(I, J, K);  in RD4()
290   DST(2, 3) = DST(1, 2) = DST(0, 1)             = AVG3(X, I, J);  in RD4()
291   DST(3, 3) = DST(2, 2) = DST(1, 1) = DST(0, 0) = AVG3(A, X, I);  in RD4()
292               DST(3, 2) = DST(2, 1) = DST(1, 0) = AVG3(B, A, X);  in RD4()
293                           DST(3, 1) = DST(2, 0) = AVG3(C, B, A);  in RD4()
294                                       DST(3, 0) = AVG3(D, C, B);  in RD4()
306   DST(0, 0)                                     = AVG3(A, B, C);  in LD4()
307   DST(1, 0) = DST(0, 1)                         = AVG3(B, C, D);  in LD4()
308   DST(2, 0) = DST(1, 1) = DST(0, 2)             = AVG3(C, D, E);  in LD4()
309   DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F);  in LD4()
310               DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G);  in LD4()
311                           DST(3, 2) = DST(2, 3) = AVG3(F, G, H);  in LD4()
312                                       DST(3, 3) = AVG3(G, H, H);  in LD4()
324   DST(0, 0) = DST(1, 2) = AVG2(X, A);  in VR4()
325   DST(1, 0) = DST(2, 2) = AVG2(A, B);  in VR4()
326   DST(2, 0) = DST(3, 2) = AVG2(B, C);  in VR4()
327   DST(3, 0)             = AVG2(C, D);  in VR4()
329   DST(0, 3) =             AVG3(K, J, I);  in VR4()
330   DST(0, 2) =             AVG3(J, I, X);  in VR4()
331   DST(0, 1) = DST(1, 3) = AVG3(I, X, A);  in VR4()
332   DST(1, 1) = DST(2, 3) = AVG3(X, A, B);  in VR4()
333   DST(2, 1) = DST(3, 3) = AVG3(A, B, C);  in VR4()
334   DST(3, 1) =             AVG3(B, C, D);  in VR4()
346   DST(0, 0) =             AVG2(A, B);  in VL4()
347   DST(1, 0) = DST(0, 2) = AVG2(B, C);  in VL4()
348   DST(2, 0) = DST(1, 2) = AVG2(C, D);  in VL4()
349   DST(3, 0) = DST(2, 2) = AVG2(D, E);  in VL4()
351   DST(0, 1) =             AVG3(A, B, C);  in VL4()
352   DST(1, 1) = DST(0, 3) = AVG3(B, C, D);  in VL4()
353   DST(2, 1) = DST(1, 3) = AVG3(C, D, E);  in VL4()
354   DST(3, 1) = DST(2, 3) = AVG3(D, E, F);  in VL4()
355               DST(3, 2) = AVG3(E, F, G);  in VL4()
356               DST(3, 3) = AVG3(F, G, H);  in VL4()
364   DST(0, 0) =             AVG2(I, J);  in HU4()
365   DST(2, 0) = DST(0, 1) = AVG2(J, K);  in HU4()
366   DST(2, 1) = DST(0, 2) = AVG2(K, L);  in HU4()
367   DST(1, 0) =             AVG3(I, J, K);  in HU4()
368   DST(3, 0) = DST(1, 1) = AVG3(J, K, L);  in HU4()
369   DST(3, 1) = DST(1, 2) = AVG3(K, L, L);  in HU4()
370   DST(3, 2) = DST(2, 2) =  in HU4()
371     DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L;  in HU4()
384   DST(0, 0) = DST(2, 1) = AVG2(I, X);  in HD4()
385   DST(0, 1) = DST(2, 2) = AVG2(J, I);  in HD4()
386   DST(0, 2) = DST(2, 3) = AVG2(K, J);  in HD4()
387   DST(0, 3)             = AVG2(L, K);  in HD4()
389   DST(3, 0)             = AVG3(A, B, C);  in HD4()
390   DST(2, 0)             = AVG3(X, A, B);  in HD4()
391   DST(1, 0) = DST(3, 1) = AVG3(I, X, A);  in HD4()
392   DST(1, 1) = DST(3, 2) = AVG3(J, I, X);  in HD4()
393   DST(1, 2) = DST(3, 3) = AVG3(K, J, I);  in HD4()
394   DST(1, 3)             = AVG3(L, K, J);  in HD4()
397 #undef DST