static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){
    int x;
    uint8_t * const top   = src[1];
    uint8_t * const left  = src[2];
    uint8_t * const mid   = src[0];
    uint8_t * const right = src[3];
    uint8_t * const bottom= src[4];
#define OBMC_FILTER(x, t, l, m, r, b)\
    dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
#define OBMC_FILTER4(x, t, l, m, r, b)\
    OBMC_FILTER(x         , t, l, m, r, b);\
    OBMC_FILTER(x+1       , t, l, m, r, b);\
    OBMC_FILTER(x  +stride, t, l, m, r, b);\
    OBMC_FILTER(x+1+stride, t, l, m, r, b);

    x=0;
    OBMC_FILTER (x  , 2, 2, 4, 0, 0);
    OBMC_FILTER (x+1, 2, 1, 5, 0, 0);
    OBMC_FILTER4(x+2, 2, 1, 5, 0, 0);
    OBMC_FILTER4(x+4, 2, 0, 5, 1, 0);
    OBMC_FILTER (x+6, 2, 0, 5, 1, 0);
    OBMC_FILTER (x+7, 2, 0, 4, 2, 0);
    x+= stride;
    OBMC_FILTER (x  , 1, 2, 5, 0, 0);
    OBMC_FILTER (x+1, 1, 2, 5, 0, 0);
    OBMC_FILTER (x+6, 1, 0, 5, 2, 0);
    OBMC_FILTER (x+7, 1, 0, 5, 2, 0);
    x+= stride;
    OBMC_FILTER4(x  , 1, 2, 5, 0, 0);
    OBMC_FILTER4(x+2, 1, 1, 6, 0, 0);
    OBMC_FILTER4(x+4, 1, 0, 6, 1, 0);
    OBMC_FILTER4(x+6, 1, 0, 5, 2, 0);
    x+= 2*stride;
    OBMC_FILTER4(x  , 0, 2, 5, 0, 1);
    OBMC_FILTER4(x+2, 0, 1, 6, 0, 1);
    OBMC_FILTER4(x+4, 0, 0, 6, 1, 1);
    OBMC_FILTER4(x+6, 0, 0, 5, 2, 1);
    x+= 2*stride;
    OBMC_FILTER (x  , 0, 2, 5, 0, 1);
    OBMC_FILTER (x+1, 0, 2, 5, 0, 1);
    OBMC_FILTER4(x+2, 0, 1, 5, 0, 2);
    OBMC_FILTER4(x+4, 0, 0, 5, 1, 2);
    OBMC_FILTER (x+6, 0, 0, 5, 2, 1);
    OBMC_FILTER (x+7, 0, 0, 5, 2, 1);
    x+= stride;
    OBMC_FILTER (x  , 0, 2, 4, 0, 2);
    OBMC_FILTER (x+1, 0, 1, 5, 0, 2);
    OBMC_FILTER (x+6, 0, 0, 5, 1, 2);
    OBMC_FILTER (x+7, 0, 0, 4, 2, 2);
}