static void filter_line_c(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode) { int x; uint8_t *prev2 = parity ? prev : cur ; uint8_t *next2 = parity ? cur : next; for (x = 0; x < w; x++) { int c = cur[mrefs]; int d = (prev2[0] + next2[0])>>1; int e = cur[prefs]; int temporal_diff0 = FFABS(prev2[0] - next2[0]); int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; int diff = FFMAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2); int spatial_pred = (c+e)>>1; int spatial_score = FFABS(cur[mrefs-1] - cur[prefs-1]) + FFABS(c-e) + FFABS(cur[mrefs+1] - cur[prefs+1]) - 1; #define CHECK(j)\ { int score = FFABS(cur[mrefs-1+j] - cur[prefs-1-j])\ + FFABS(cur[mrefs +j] - cur[prefs -j])\ + FFABS(cur[mrefs+1+j] - cur[prefs+1-j]);\ if (score < spatial_score) {\ spatial_score= score;\ spatial_pred= (cur[mrefs +j] + cur[prefs -j])>>1;\ CHECK(-1) CHECK(-2) }} }}