static void fill_scaling_lists(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm) { const PPS *pps = h->ps.pps; unsigned i, j; memset(qm, 0, sizeof(*qm)); if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) { for (i = 0; i < 6; i++) for (j = 0; j < 16; j++) qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][j]; for (i = 0; i < 64; i++) { qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][i]; qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][i]; } } else { for (i = 0; i < 6; i++) for (j = 0; j < 16; j++) qm->bScalingLists4x4[i][j] = pps->scaling_matrix4[i][ff_zigzag_scan[j]]; for (i = 0; i < 64; i++) { qm->bScalingLists8x8[0][i] = pps->scaling_matrix8[0][ff_zigzag_direct[i]]; qm->bScalingLists8x8[1][i] = pps->scaling_matrix8[3][ff_zigzag_direct[i]]; } } }
static void fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const H264Context *h, DXVA_PicParams_H264 *pp) { const H264Picture *current_picture = h->cur_pic_ptr; int i, j; memset(pp, 0, sizeof(*pp)); /* Configure current picture */ fill_picture_entry(&pp->CurrPic, ff_dxva2_get_surface_index(avctx, ctx, current_picture->f), h->picture_structure == PICT_BOTTOM_FIELD); /* Configure the set of references */ pp->UsedForReferenceFlags = 0; pp->NonExistingFrameFlags = 0; for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->RefFrameList); i++) { const H264Picture *r; if (j < h->short_ref_count) { r = h->short_ref[j++]; } else { r = NULL; while (!r && j < h->short_ref_count + 16) r = h->long_ref[j++ - h->short_ref_count]; } if (r) { fill_picture_entry(&pp->RefFrameList[i], ff_dxva2_get_surface_index(avctx, ctx, r->f), r->long_ref != 0); if ((r->reference & PICT_TOP_FIELD) && r->field_poc[0] != INT_MAX) pp->FieldOrderCntList[i][0] = r->field_poc[0]; if ((r->reference & PICT_BOTTOM_FIELD) && r->field_poc[1] != INT_MAX) pp->FieldOrderCntList[i][1] = r->field_poc[1]; pp->FrameNumList[i] = r->long_ref ? r->pic_id : r->frame_num; if (r->reference & PICT_TOP_FIELD) pp->UsedForReferenceFlags |= 1 << (2*i + 0); if (r->reference & PICT_BOTTOM_FIELD) pp->UsedForReferenceFlags |= 1 << (2*i + 1); } else { pp->RefFrameList[i].bPicEntry = 0xff; pp->FieldOrderCntList[i][0] = 0; pp->FieldOrderCntList[i][1] = 0; pp->FrameNumList[i] = 0; } } pp->wFrameWidthInMbsMinus1 = h->mb_width - 1; pp->wFrameHeightInMbsMinus1 = h->mb_height - 1; pp->num_ref_frames = h->sps.ref_frame_count; pp->wBitFields = ((h->picture_structure != PICT_FRAME) << 0) | ((h->sps.mb_aff && (h->picture_structure == PICT_FRAME)) << 1) | (h->sps.residual_color_transform_flag << 2) | /* sp_for_switch_flag (not implemented by FFmpeg) */ (0 << 3) | (h->sps.chroma_format_idc << 4) | ((h->nal_ref_idc != 0) << 6) | (h->pps.constrained_intra_pred << 7) | (h->pps.weighted_pred << 8) | (h->pps.weighted_bipred_idc << 9) | /* MbsConsecutiveFlag */ (1 << 11) | (h->sps.frame_mbs_only_flag << 12) | (h->pps.transform_8x8_mode << 13) | ((h->sps.level_idc >= 31) << 14) | /* IntraPicFlag (Modified if we detect a non * intra slice in dxva2_h264_decode_slice) */ (1 << 15); pp->bit_depth_luma_minus8 = h->sps.bit_depth_luma - 8; pp->bit_depth_chroma_minus8 = h->sps.bit_depth_chroma - 8; if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG) pp->Reserved16Bits = 0; else if (DXVA_CONTEXT_WORKAROUND(avctx, ctx) & FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO) pp->Reserved16Bits = 0x34c; else pp->Reserved16Bits = 3; /* FIXME is there a way to detect the right mode ? */ pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++; pp->CurrFieldOrderCnt[0] = 0; if ((h->picture_structure & PICT_TOP_FIELD) && current_picture->field_poc[0] != INT_MAX) pp->CurrFieldOrderCnt[0] = current_picture->field_poc[0]; pp->CurrFieldOrderCnt[1] = 0; if ((h->picture_structure & PICT_BOTTOM_FIELD) && current_picture->field_poc[1] != INT_MAX) pp->CurrFieldOrderCnt[1] = current_picture->field_poc[1]; pp->pic_init_qs_minus26 = h->pps.init_qs - 26; pp->chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0]; pp->second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1]; pp->ContinuationFlag = 1; pp->pic_init_qp_minus26 = h->pps.init_qp - 26; pp->num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1; pp->num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1; pp->Reserved8BitsA = 0; pp->frame_num = h->frame_num; pp->log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4; pp->pic_order_cnt_type = h->sps.poc_type; if (h->sps.poc_type == 0) pp->log2_max_pic_order_cnt_lsb_minus4 = h->sps.log2_max_poc_lsb - 4; else if (h->sps.poc_type == 1) pp->delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag; pp->direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag; pp->entropy_coding_mode_flag = h->pps.cabac; pp->pic_order_present_flag = h->pps.pic_order_present; pp->num_slice_groups_minus1 = h->pps.slice_group_count - 1; pp->slice_group_map_type = h->pps.mb_slice_group_map_type; pp->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present; pp->redundant_pic_cnt_present_flag= h->pps.redundant_pic_cnt_present; pp->Reserved8BitsB = 0; pp->slice_group_change_rate_minus1= 0; /* XXX not implemented by FFmpeg */ //pp->SliceGroupMap[810]; /* XXX not implemented by FFmpeg */ }
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->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->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; }