static av_always_inline void rv40_weak_loop_filter(uint8_t *src, const int step, const int stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1) { uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int i, t, u, diff; for (i = 0; i < 4; i++, src += stride) { int diff_p1p0 = src[-2*step] - src[-1*step]; int diff_q1q0 = src[ 1*step] - src[ 0*step]; int diff_p1p2 = src[-2*step] - src[-3*step]; int diff_q1q2 = src[ 1*step] - src[ 2*step]; t = src[0*step] - src[-1*step]; if (!t) continue; u = (alpha * FFABS(t)) >> 7; if (u > 3 - (filter_p1 && filter_q1)) continue; t <<= 2; if (filter_p1 && filter_q1) t += src[-2*step] - src[1*step]; diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0); src[-1*step] = cm[src[-1*step] + diff]; src[ 0*step] = cm[src[ 0*step] - diff]; if (filter_p1 && FFABS(diff_p1p2) <= beta) { t = (diff_p1p0 + diff_p1p2 - diff) >> 1; src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)]; } if (filter_q1 && FFABS(diff_q1q2) <= beta) { t = (diff_q1q0 + diff_q1q2 + diff) >> 1; src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)]; } } }