diff options
Diffstat (limited to 'libavcodec/hevc_filter.c')
| -rw-r--r-- | libavcodec/hevc_filter.c | 297 |
1 files changed, 130 insertions, 167 deletions
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c index 443f2223cb..ec7a21187d 100644 --- a/libavcodec/hevc_filter.c +++ b/libavcodec/hevc_filter.c @@ -60,7 +60,7 @@ static int chroma_tc(HEVCContext *s, int qp_y, int c_idx, int tc_offset) else offset = s->pps->cr_qp_offset; - qp_i = av_clip_c(qp_y + offset, 0, 57); + qp_i = av_clip(qp_y + offset, 0, 57); if (qp_i < 30) qp = qp_i; else if (qp_i > 43) @@ -68,7 +68,7 @@ static int chroma_tc(HEVCContext *s, int qp_y, int c_idx, int tc_offset) else qp = qp_c[qp_i - 30]; - idxt = av_clip_c(qp + DEFAULT_INTRA_TC_OFFSET + tc_offset, 0, 53); + idxt = av_clip(qp + DEFAULT_INTRA_TC_OFFSET + tc_offset, 0, 53); return tctable[idxt]; } @@ -477,138 +477,96 @@ static void deblocking_filter_CTB(HEVCContext *s, int x0, int y0) } } -static int boundary_strength(HEVCContext *s, MvField *curr, - uint8_t curr_cbf_luma, MvField *neigh, - uint8_t neigh_cbf_luma, - RefPicList *neigh_refPicList, - int tu_border) +static int boundary_strength(HEVCContext *s, MvField *curr, MvField *neigh, + RefPicList *neigh_refPicList) { - int mvs = curr->pred_flag[0] + curr->pred_flag[1]; - - if (tu_border) { - if (curr->is_intra || neigh->is_intra) - return 2; - if (curr_cbf_luma || neigh_cbf_luma) - return 1; - } - - if (mvs == neigh->pred_flag[0] + neigh->pred_flag[1]) { - if (mvs == 2) { - // same L0 and L1 - if (s->ref->refPicList[0].list[curr->ref_idx[0]] == neigh_refPicList[0].list[neigh->ref_idx[0]] && - s->ref->refPicList[0].list[curr->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]] && - neigh_refPicList[0].list[neigh->ref_idx[0]] == neigh_refPicList[1].list[neigh->ref_idx[1]]) { - if ((abs(neigh->mv[0].x - curr->mv[0].x) >= 4 || abs(neigh->mv[0].y - curr->mv[0].y) >= 4 || - abs(neigh->mv[1].x - curr->mv[1].x) >= 4 || abs(neigh->mv[1].y - curr->mv[1].y) >= 4) && - (abs(neigh->mv[1].x - curr->mv[0].x) >= 4 || abs(neigh->mv[1].y - curr->mv[0].y) >= 4 || - abs(neigh->mv[0].x - curr->mv[1].x) >= 4 || abs(neigh->mv[0].y - curr->mv[1].y) >= 4)) - return 1; - else - return 0; - } else if (neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[0].list[curr->ref_idx[0]] && - neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) { - if (abs(neigh->mv[0].x - curr->mv[0].x) >= 4 || abs(neigh->mv[0].y - curr->mv[0].y) >= 4 || - abs(neigh->mv[1].x - curr->mv[1].x) >= 4 || abs(neigh->mv[1].y - curr->mv[1].y) >= 4) - return 1; - else - return 0; - } else if (neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[0].list[curr->ref_idx[0]] && - neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) { - if (abs(neigh->mv[1].x - curr->mv[0].x) >= 4 || abs(neigh->mv[1].y - curr->mv[0].y) >= 4 || - abs(neigh->mv[0].x - curr->mv[1].x) >= 4 || abs(neigh->mv[0].y - curr->mv[1].y) >= 4) - return 1; - else - return 0; - } else { + if (curr->pred_flag == PF_BI && neigh->pred_flag == PF_BI) { + // same L0 and L1 + if (s->ref->refPicList[0].list[curr->ref_idx[0]] == neigh_refPicList[0].list[neigh->ref_idx[0]] && + s->ref->refPicList[0].list[curr->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]] && + neigh_refPicList[0].list[neigh->ref_idx[0]] == neigh_refPicList[1].list[neigh->ref_idx[1]]) { + if ((FFABS(neigh->mv[0].x - curr->mv[0].x) >= 4 || FFABS(neigh->mv[0].y - curr->mv[0].y) >= 4 || + FFABS(neigh->mv[1].x - curr->mv[1].x) >= 4 || FFABS(neigh->mv[1].y - curr->mv[1].y) >= 4) && + (FFABS(neigh->mv[1].x - curr->mv[0].x) >= 4 || FFABS(neigh->mv[1].y - curr->mv[0].y) >= 4 || + FFABS(neigh->mv[0].x - curr->mv[1].x) >= 4 || FFABS(neigh->mv[0].y - curr->mv[1].y) >= 4)) return 1; - } - } else { // 1 MV - Mv A, B; - int ref_A, ref_B; - - if (curr->pred_flag[0]) { - A = curr->mv[0]; - ref_A = s->ref->refPicList[0].list[curr->ref_idx[0]]; - } else { - A = curr->mv[1]; - ref_A = s->ref->refPicList[1].list[curr->ref_idx[1]]; - } + else + return 0; + } else if (neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[0].list[curr->ref_idx[0]] && + neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) { + if (FFABS(neigh->mv[0].x - curr->mv[0].x) >= 4 || FFABS(neigh->mv[0].y - curr->mv[0].y) >= 4 || + FFABS(neigh->mv[1].x - curr->mv[1].x) >= 4 || FFABS(neigh->mv[1].y - curr->mv[1].y) >= 4) + return 1; + else + return 0; + } else if (neigh_refPicList[1].list[neigh->ref_idx[1]] == s->ref->refPicList[0].list[curr->ref_idx[0]] && + neigh_refPicList[0].list[neigh->ref_idx[0]] == s->ref->refPicList[1].list[curr->ref_idx[1]]) { + if (FFABS(neigh->mv[1].x - curr->mv[0].x) >= 4 || FFABS(neigh->mv[1].y - curr->mv[0].y) >= 4 || + FFABS(neigh->mv[0].x - curr->mv[1].x) >= 4 || FFABS(neigh->mv[0].y - curr->mv[1].y) >= 4) + return 1; + else + return 0; + } else { + return 1; + } + } else if ((curr->pred_flag != PF_BI) && (neigh->pred_flag != PF_BI)){ // 1 MV + Mv A, B; + int ref_A, ref_B; + + if (curr->pred_flag & 1) { + A = curr->mv[0]; + ref_A = s->ref->refPicList[0].list[curr->ref_idx[0]]; + } else { + A = curr->mv[1]; + ref_A = s->ref->refPicList[1].list[curr->ref_idx[1]]; + } - if (neigh->pred_flag[0]) { - B = neigh->mv[0]; - ref_B = neigh_refPicList[0].list[neigh->ref_idx[0]]; - } else { - B = neigh->mv[1]; - ref_B = neigh_refPicList[1].list[neigh->ref_idx[1]]; - } + if (neigh->pred_flag & 1) { + B = neigh->mv[0]; + ref_B = neigh_refPicList[0].list[neigh->ref_idx[0]]; + } else { + B = neigh->mv[1]; + ref_B = neigh_refPicList[1].list[neigh->ref_idx[1]]; + } - if (ref_A == ref_B) { - if (abs(A.x - B.x) >= 4 || abs(A.y - B.y) >= 4) - return 1; - else - return 0; - } else + if (ref_A == ref_B) { + if (FFABS(A.x - B.x) >= 4 || FFABS(A.y - B.y) >= 4) return 1; - } + else + return 0; + } else + return 1; } return 1; } void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, - int log2_trafo_size, - int slice_or_tiles_up_boundary, - int slice_or_tiles_left_boundary) + int log2_trafo_size) { + HEVCLocalContext *lc = s->HEVClc; MvField *tab_mvf = s->ref->tab_mvf; int log2_min_pu_size = s->sps->log2_min_pu_size; int log2_min_tu_size = s->sps->log2_min_tb_size; int min_pu_width = s->sps->min_pu_width; int min_tu_width = s->sps->min_tb_width; int is_intra = tab_mvf[(y0 >> log2_min_pu_size) * min_pu_width + - (x0 >> log2_min_pu_size)].is_intra; + (x0 >> log2_min_pu_size)].pred_flag == PF_INTRA; int i, j, bs; if (y0 > 0 && (y0 & 7) == 0) { - int yp_pu = (y0 - 1) >> log2_min_pu_size; - int yq_pu = y0 >> log2_min_pu_size; - int yp_tu = (y0 - 1) >> log2_min_tu_size; - int yq_tu = y0 >> log2_min_tu_size; - - for (i = 0; i < (1 << log2_trafo_size); i += 4) { - int x_pu = (x0 + i) >> log2_min_pu_size; - int x_tu = (x0 + i) >> log2_min_tu_size; - MvField *top = &tab_mvf[yp_pu * min_pu_width + x_pu]; - MvField *curr = &tab_mvf[yq_pu * min_pu_width + x_pu]; - uint8_t top_cbf_luma = s->cbf_luma[yp_tu * min_tu_width + x_tu]; - uint8_t curr_cbf_luma = s->cbf_luma[yq_tu * min_tu_width + x_tu]; + int bd_ctby = y0 & ((1 << s->sps->log2_ctb_size) - 1); + int bd_slice = s->sh.slice_loop_filter_across_slices_enabled_flag || + !(lc->slice_or_tiles_up_boundary & 1); + int bd_tiles = s->pps->loop_filter_across_tiles_enabled_flag || + !(lc->slice_or_tiles_up_boundary & 2); + if (((bd_slice && bd_tiles) || bd_ctby)) { + int yp_pu = (y0 - 1) >> log2_min_pu_size; + int yq_pu = y0 >> log2_min_pu_size; + int yp_tu = (y0 - 1) >> log2_min_tu_size; + int yq_tu = y0 >> log2_min_tu_size; RefPicList *top_refPicList = ff_hevc_get_ref_list(s, s->ref, - x0 + i, y0 - 1); - - bs = boundary_strength(s, curr, curr_cbf_luma, - top, top_cbf_luma, top_refPicList, 1); - if (!s->sh.slice_loop_filter_across_slices_enabled_flag && - (slice_or_tiles_up_boundary & 1) && - (y0 % (1 << s->sps->log2_ctb_size)) == 0) - bs = 0; - else if (!s->pps->loop_filter_across_tiles_enabled_flag && - (slice_or_tiles_up_boundary & 2) && - (y0 % (1 << s->sps->log2_ctb_size)) == 0) - bs = 0; - if (y0 == 0 || s->sh.disable_deblocking_filter_flag == 1) - bs = 0; - if (bs) - s->horizontal_bs[((x0 + i) + y0 * s->bs_width) >> 2] = bs; - } - } - - // bs for TU internal horizontal PU boundaries - if (log2_trafo_size > s->sps->log2_min_pu_size && !is_intra) - for (j = 8; j < (1 << log2_trafo_size); j += 8) { - int yp_pu = (y0 + j - 1) >> log2_min_pu_size; - int yq_pu = (y0 + j) >> log2_min_pu_size; - int yp_tu = (y0 + j - 1) >> log2_min_tu_size; - int yq_tu = (y0 + j) >> log2_min_tu_size; + x0, y0 - 1); for (i = 0; i < (1 << log2_trafo_size); i += 4) { int x_pu = (x0 + i) >> log2_min_pu_size; @@ -617,81 +575,86 @@ void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, MvField *curr = &tab_mvf[yq_pu * min_pu_width + x_pu]; uint8_t top_cbf_luma = s->cbf_luma[yp_tu * min_tu_width + x_tu]; uint8_t curr_cbf_luma = s->cbf_luma[yq_tu * min_tu_width + x_tu]; - RefPicList *top_refPicList = ff_hevc_get_ref_list(s, s->ref, - x0 + i, - y0 + j - 1); - - bs = boundary_strength(s, curr, curr_cbf_luma, - top, top_cbf_luma, top_refPicList, 0); - if (s->sh.disable_deblocking_filter_flag == 1) - bs = 0; - if (bs) - s->horizontal_bs[((x0 + i) + (y0 + j) * s->bs_width) >> 2] = bs; + + if (curr->pred_flag == PF_INTRA || top->pred_flag == PF_INTRA) + bs = 2; + else if (curr_cbf_luma || top_cbf_luma) + bs = 1; + else + bs = boundary_strength(s, curr, top, top_refPicList); + s->horizontal_bs[((x0 + i) + y0 * s->bs_width) >> 2] = bs; } } + } // bs for vertical TU boundaries if (x0 > 0 && (x0 & 7) == 0) { - int xp_pu = (x0 - 1) >> log2_min_pu_size; - int xq_pu = x0 >> log2_min_pu_size; - int xp_tu = (x0 - 1) >> log2_min_tu_size; - int xq_tu = x0 >> log2_min_tu_size; - - for (i = 0; i < (1 << log2_trafo_size); i += 4) { - int y_pu = (y0 + i) >> log2_min_pu_size; - int y_tu = (y0 + i) >> log2_min_tu_size; - MvField *left = &tab_mvf[y_pu * min_pu_width + xp_pu]; - MvField *curr = &tab_mvf[y_pu * min_pu_width + xq_pu]; - - uint8_t left_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xp_tu]; - uint8_t curr_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xq_tu]; + int bd_ctbx = x0 & ((1 << s->sps->log2_ctb_size) - 1); + int bd_slice = s->sh.slice_loop_filter_across_slices_enabled_flag || + !(lc->slice_or_tiles_left_boundary & 1); + int bd_tiles = s->pps->loop_filter_across_tiles_enabled_flag || + !(lc->slice_or_tiles_left_boundary & 2); + if (((bd_slice && bd_tiles) || bd_ctbx)) { + int xp_pu = (x0 - 1) >> log2_min_pu_size; + int xq_pu = x0 >> log2_min_pu_size; + int xp_tu = (x0 - 1) >> log2_min_tu_size; + int xq_tu = x0 >> log2_min_tu_size; RefPicList *left_refPicList = ff_hevc_get_ref_list(s, s->ref, - x0 - 1, y0 + i); - - bs = boundary_strength(s, curr, curr_cbf_luma, - left, left_cbf_luma, left_refPicList, 1); - if (!s->sh.slice_loop_filter_across_slices_enabled_flag && - (slice_or_tiles_left_boundary & 1) && - (x0 % (1 << s->sps->log2_ctb_size)) == 0) - bs = 0; - else if (!s->pps->loop_filter_across_tiles_enabled_flag && - (slice_or_tiles_left_boundary & 2) && - (x0 % (1 << s->sps->log2_ctb_size)) == 0) - bs = 0; - if (x0 == 0 || s->sh.disable_deblocking_filter_flag == 1) - bs = 0; - if (bs) + x0 - 1, y0); + + for (i = 0; i < (1 << log2_trafo_size); i += 4) { + int y_pu = (y0 + i) >> log2_min_pu_size; + int y_tu = (y0 + i) >> log2_min_tu_size; + MvField *left = &tab_mvf[y_pu * min_pu_width + xp_pu]; + MvField *curr = &tab_mvf[y_pu * min_pu_width + xq_pu]; + uint8_t left_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xp_tu]; + uint8_t curr_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xq_tu]; + + if (curr->pred_flag == PF_INTRA || left->pred_flag == PF_INTRA) + bs = 2; + else if (curr_cbf_luma || left_cbf_luma) + bs = 1; + else + bs = boundary_strength(s, curr, left, left_refPicList); s->vertical_bs[(x0 >> 3) + ((y0 + i) >> 2) * s->bs_width] = bs; + } } } - // bs for TU internal vertical PU boundaries - if (log2_trafo_size > log2_min_pu_size && !is_intra) + if (log2_trafo_size > log2_min_pu_size && !is_intra) { + RefPicList *refPicList = ff_hevc_get_ref_list(s, s->ref, + x0, + y0); + // bs for TU internal horizontal PU boundaries + for (j = 8; j < (1 << log2_trafo_size); j += 8) { + int yp_pu = (y0 + j - 1) >> log2_min_pu_size; + int yq_pu = (y0 + j) >> log2_min_pu_size; + + for (i = 0; i < (1 << log2_trafo_size); i += 4) { + int x_pu = (x0 + i) >> log2_min_pu_size; + MvField *top = &tab_mvf[yp_pu * min_pu_width + x_pu]; + MvField *curr = &tab_mvf[yq_pu * min_pu_width + x_pu]; + + bs = boundary_strength(s, curr, top, refPicList); + s->horizontal_bs[((x0 + i) + (y0 + j) * s->bs_width) >> 2] = bs; + } + } + + // bs for TU internal vertical PU boundaries for (j = 0; j < (1 << log2_trafo_size); j += 4) { int y_pu = (y0 + j) >> log2_min_pu_size; - int y_tu = (y0 + j) >> log2_min_tu_size; for (i = 8; i < (1 << log2_trafo_size); i += 8) { int xp_pu = (x0 + i - 1) >> log2_min_pu_size; int xq_pu = (x0 + i) >> log2_min_pu_size; - int xp_tu = (x0 + i - 1) >> log2_min_tu_size; - int xq_tu = (x0 + i) >> log2_min_tu_size; MvField *left = &tab_mvf[y_pu * min_pu_width + xp_pu]; MvField *curr = &tab_mvf[y_pu * min_pu_width + xq_pu]; - uint8_t left_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xp_tu]; - uint8_t curr_cbf_luma = s->cbf_luma[y_tu * min_tu_width + xq_tu]; - RefPicList *left_refPicList = ff_hevc_get_ref_list(s, s->ref, - x0 + i - 1, - y0 + j); - - bs = boundary_strength(s, curr, curr_cbf_luma, - left, left_cbf_luma, left_refPicList, 0); - if (s->sh.disable_deblocking_filter_flag == 1) - bs = 0; - if (bs) - s->vertical_bs[((x0 + i) >> 3) + ((y0 + j) >> 2) * s->bs_width] = bs; + + bs = boundary_strength(s, curr, left, refPicList); + s->vertical_bs[((x0 + i) >> 3) + ((y0 + j) >> 2) * s->bs_width] = bs; } } + } } #undef LUMA |