pci/ivtv/ivtv-yuv.c

967 	struct yuv_frame_info *nf = &yi->new_frame_info[frame];
972 	int update = nf->update;
975 	nf->src_x = args->src.left;
976 	nf->src_y = args->src.top;
977 	nf->src_w = args->src.width;
978 	nf->src_h = args->src.height;
979 	nf->dst_x = args->dst.left;
980 	nf->dst_y = args->dst.top;
981 	nf->dst_w = args->dst.width;
982 	nf->dst_h = args->dst.height;
983 	nf->tru_x = args->dst.left;
984 	nf->tru_w = args->src_width;
985 	nf->tru_h = args->src_height;
988 	nf->offset_y = (nf->tru_h + nf->src_x < 512 - 16) ? 1 : 0;
990 	nf->update = 0;
991 	nf->interlaced_y = 0;
992 	nf->interlaced_uv = 0;
993 	nf->delay = 0;
994 	nf->sync_field = 0;
995 	nf->lace_mode = yi->lace_mode & IVTV_YUV_MODE_MASK;
1001 	switch (nf->lace_mode) {
1003 		nf->interlaced = 0;
1004 		if (nf->tru_h < 512 || (nf->tru_h > 576 && nf->tru_h < 1021))
1005 			nf->interlaced_y = 0;
1007 			nf->interlaced_y = 1;
1009 		if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))
1010 			nf->interlaced_uv = 0;
1012 			nf->interlaced_uv = 1;
1016 		if (nf->tru_h <= lace_threshold || nf->tru_h > 576 || nf->tru_w > 720) {
1017 			nf->interlaced = 0;
1018 			if ((nf->tru_h < 512) ||
1019 			    (nf->tru_h > 576 && nf->tru_h < 1021) ||
1020 			    (nf->tru_w > 720 && nf->tru_h < 1021))
1021 				nf->interlaced_y = 0;
1023 				nf->interlaced_y = 1;
1024 			if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))
1025 				nf->interlaced_uv = 0;
1027 				nf->interlaced_uv = 1;
1029 			nf->interlaced = 1;
1030 			nf->interlaced_y = 1;
1031 			nf->interlaced_uv = 1;
1037 		nf->interlaced = 1;
1038 		nf->interlaced_y = 1;
1039 		nf->interlaced_uv = 1;
1043 	if (memcmp(&yi->old_frame_info_args, nf, sizeof(*nf))) {
1044 		yi->old_frame_info_args = *nf;
1045 		nf->update = 1;
1049 	nf->update |= update;
1050 	nf->sync_field = yi->lace_sync_field;
1051 	nf->delay = nf->sync_field != of->sync_field;