static int vdpau_h264_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { H264Context * const h = avctx->priv_data; Picture *pic = h->cur_pic_ptr; struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; VdpPictureInfoH264 *info = &pic_ctx->info.h264; /* init VdpPictureInfoH264 */ info->slice_count = 0; info->field_order_cnt[0] = h264_foc(pic->field_poc[0]); info->field_order_cnt[1] = h264_foc(pic->field_poc[1]); info->is_reference = h->nal_ref_idc != 0; info->frame_num = h->frame_num; info->field_pic_flag = h->picture_structure != PICT_FRAME; info->bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD; info->num_ref_frames = h->sps.ref_frame_count; info->mb_adaptive_frame_field_flag = h->sps.mb_aff && !info->field_pic_flag; info->constrained_intra_pred_flag = h->pps.constrained_intra_pred; info->weighted_pred_flag = h->pps.weighted_pred; info->weighted_bipred_idc = h->pps.weighted_bipred_idc; info->frame_mbs_only_flag = h->sps.frame_mbs_only_flag; info->transform_8x8_mode_flag = h->pps.transform_8x8_mode; info->chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0]; info->second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1]; info->pic_init_qp_minus26 = h->pps.init_qp - 26; info->num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1; info->num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1; info->log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4; info->pic_order_cnt_type = h->sps.poc_type; info->log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4; info->delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag; info->direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag; info->entropy_coding_mode_flag = h->pps.cabac; info->pic_order_present_flag = h->pps.pic_order_present; info->deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present; info->redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present; memcpy(info->scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(info->scaling_lists_4x4)); memcpy(info->scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(info->scaling_lists_8x8[0])); memcpy(info->scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(info->scaling_lists_8x8[1])); vdpau_h264_set_reference_frames(avctx); return ff_vdpau_common_start_frame(pic, buffer, size); }
static void vdpau_h264_set_rf(VdpReferenceFrameH264 *rf, H264Picture *pic, int pic_structure) { VdpVideoSurface surface = ff_vdpau_get_surface_id(&pic->f); if (pic_structure == 0) pic_structure = pic->reference; rf->surface = surface; rf->is_long_term = pic->reference && pic->long_ref; rf->top_is_reference = (pic_structure & PICT_TOP_FIELD) != 0; rf->bottom_is_reference = (pic_structure & PICT_BOTTOM_FIELD) != 0; rf->field_order_cnt[0] = h264_foc(pic->field_poc[0]); rf->field_order_cnt[1] = h264_foc(pic->field_poc[1]); rf->frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num; }