static void hls_prediction_unit(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int partIdx, int idx) { #define POS(c_idx, x, y) \ &s->frame->data[c_idx][((y) >> s->sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \ (((x) >> s->sps->hshift[c_idx]) << s->sps->pixel_shift)] HEVCLocalContext *lc = s->HEVClc; int merge_idx = 0; struct MvField current_mv = {{{ 0 }}}; int min_pu_width = s->sps->min_pu_width; MvField *tab_mvf = s->ref->tab_mvf; RefPicList *refPicList = s->ref->refPicList; HEVCFrame *ref0, *ref1; uint8_t *dst0 = POS(0, x0, y0); uint8_t *dst1 = POS(1, x0, y0); uint8_t *dst2 = POS(2, x0, y0); int log2_min_cb_size = s->sps->log2_min_cb_size; int min_cb_width = s->sps->min_cb_width; int x_cb = x0 >> log2_min_cb_size; int y_cb = y0 >> log2_min_cb_size; int x_pu, y_pu; int i, j; int skip_flag = SAMPLE_CTB(s->skip_flag, x_cb, y_cb); if (!skip_flag) lc->pu.merge_flag = ff_hevc_merge_flag_decode(s); if (skip_flag || lc->pu.merge_flag) { if (s->sh.max_num_merge_cand > 1) merge_idx = ff_hevc_merge_idx_decode(s); else merge_idx = 0; ff_hevc_luma_mv_merge_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, partIdx, merge_idx, &current_mv); } else { hevc_luma_mv_mpv_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, partIdx, merge_idx, &current_mv); } x_pu = x0 >> s->sps->log2_min_pu_size; y_pu = y0 >> s->sps->log2_min_pu_size; for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++) for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++) tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv; if (current_mv.pred_flag & PF_L0) { ref0 = refPicList[0].ref[current_mv.ref_idx[0]]; if (!ref0) return; hevc_await_progress(s, ref0, &current_mv.mv[0], y0, nPbH); } if (current_mv.pred_flag & PF_L1) { ref1 = refPicList[1].ref[current_mv.ref_idx[1]]; if (!ref1) return; hevc_await_progress(s, ref1, &current_mv.mv[1], y0, nPbH); } if (current_mv.pred_flag == PF_L0) { int x0_c = x0 >> s->sps->hshift[1]; int y0_c = y0 >> s->sps->vshift[1]; int nPbW_c = nPbW >> s->sps->hshift[1]; int nPbH_c = nPbH >> s->sps->vshift[1]; luma_mc_uni(s, dst0, s->frame->linesize[0], ref0->frame, &current_mv.mv[0], x0, y0, nPbW, nPbH, s->sh.luma_weight_l0[current_mv.ref_idx[0]], s->sh.luma_offset_l0[current_mv.ref_idx[0]]); chroma_mc_uni(s, dst1, s->frame->linesize[1], ref0->frame->data[1], ref0->frame->linesize[1], 0, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0]); chroma_mc_uni(s, dst2, s->frame->linesize[2], ref0->frame->data[2], ref0->frame->linesize[2], 0, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1]); } else if (current_mv.pred_flag == PF_L1) { int x0_c = x0 >> s->sps->hshift[1]; int y0_c = y0 >> s->sps->vshift[1]; int nPbW_c = nPbW >> s->sps->hshift[1]; int nPbH_c = nPbH >> s->sps->vshift[1]; luma_mc_uni(s, dst0, s->frame->linesize[0], ref1->frame, &current_mv.mv[1], x0, y0, nPbW, nPbH, s->sh.luma_weight_l1[current_mv.ref_idx[1]], s->sh.luma_offset_l1[current_mv.ref_idx[1]]); chroma_mc_uni(s, dst1, s->frame->linesize[1], ref1->frame->data[1], ref1->frame->linesize[1], 1, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0]); chroma_mc_uni(s, dst2, s->frame->linesize[2], ref1->frame->data[2], ref1->frame->linesize[2], 1, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1]); } else if (current_mv.pred_flag == PF_BI) { int x0_c = x0 >> s->sps->hshift[1]; int y0_c = y0 >> s->sps->vshift[1]; int nPbW_c = nPbW >> s->sps->hshift[1]; int nPbH_c = nPbH >> s->sps->vshift[1]; luma_mc_bi(s, dst0, s->frame->linesize[0], ref0->frame, &current_mv.mv[0], x0, y0, nPbW, nPbH, ref1->frame, &current_mv.mv[1], &current_mv); chroma_mc_bi(s, dst1, s->frame->linesize[1], ref0->frame, ref1->frame, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, 0); chroma_mc_bi(s, dst2, s->frame->linesize[2], ref0->frame, ref1->frame, x0_c, y0_c, nPbW_c, nPbH_c, &current_mv, 1); } }