static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice, const DXVA_PicParams_H264 *pp, unsigned position, unsigned size) { const H264Context *h = avctx->priv_data; H264SliceContext *sl = &h->slice_ctx[0]; AVDXVAContext *ctx = avctx->hwaccel_context; unsigned list; memset(slice, 0, sizeof(*slice)); slice->BSNALunitDataLocation = position; slice->SliceBytesInBuffer = size; slice->wBadSliceChopping = 0; slice->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x; slice->NumMbsForSlice = 0; /* XXX it is set once we have all slices */ slice->BitOffsetToSliceData = get_bits_count(&sl->gb) - 8; slice->slice_type = ff_h264_get_slice_type(sl); if (sl->slice_type_fixed) slice->slice_type += 5; slice->luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom; slice->chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom; if (sl->list_count > 0) slice->num_ref_idx_l0_active_minus1 = sl->ref_count[0] - 1; if (sl->list_count > 1) slice->num_ref_idx_l1_active_minus1 = sl->ref_count[1] - 1; slice->slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2; slice->slice_beta_offset_div2 = sl->slice_beta_offset / 2; slice->Reserved8Bits = 0; for (list = 0; list < 2; list++) { unsigned i; for (i = 0; i < FF_ARRAY_ELEMS(slice->RefPicList[list]); i++) { if (list < sl->list_count && i < sl->ref_count[list]) { const H264Picture *r = sl->ref_list[list][i].parent; unsigned plane; unsigned index; if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO) index = ff_dxva2_get_surface_index(avctx, ctx, r->f); else index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f)); fill_picture_entry(&slice->RefPicList[list][i], index, sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD); for (plane = 0; plane < 3; plane++) { int w, o; if (plane == 0 && sl->pwt.luma_weight_flag[list]) { w = sl->pwt.luma_weight[i][list][0]; o = sl->pwt.luma_weight[i][list][1]; } else if (plane >= 1 && sl->pwt.chroma_weight_flag[list]) { w = sl->pwt.chroma_weight[i][list][plane-1][0]; o = sl->pwt.chroma_weight[i][list][plane-1][1]; } else { w = 1 << (plane == 0 ? sl->pwt.luma_log2_weight_denom : sl->pwt.chroma_log2_weight_denom); o = 0; } slice->Weights[list][i][plane][0] = w; slice->Weights[list][i][plane][1] = o; } } else { unsigned plane; slice->RefPicList[list][i].bPicEntry = 0xff; for (plane = 0; plane < 3; plane++) { slice->Weights[list][i][plane][0] = 0; slice->Weights[list][i][plane][1] = 0; } } } } slice->slice_qs_delta = 0; /* XXX not implemented by FFmpeg */ slice->slice_qp_delta = sl->qscale - h->ps.pps->init_qp; slice->redundant_pic_cnt = sl->redundant_pic_count; if (sl->slice_type == AV_PICTURE_TYPE_B) slice->direct_spatial_mv_pred_flag = sl->direct_spatial_mv_pred; slice->cabac_init_idc = h->ps.pps->cabac ? sl->cabac_init_idc : 0; if (sl->deblocking_filter < 2) slice->disable_deblocking_filter_idc = 1 - sl->deblocking_filter; else slice->disable_deblocking_filter_idc = sl->deblocking_filter; slice->slice_id = h->current_slice - 1; }