PeerStreamer

            ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,

                             src_x, src_y<<field_based, h_edge_pos, v_edge_pos);

            ptr_y = s->edge_emu_buffer;

                uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;

                ff_emulated_edge_mc(uvbuf  , ptr_cb, s->uvlinesize, 9, 9+field_based,

                                 uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1);

    sy <<= 2 - lowres;

    pix_op[lowres-1](dest_y, ptr_y, linesize, h, sx, sy);

        uvsx <<= 2 - lowres;

        uvsy <<= 2 - lowres;

        pix_op[lowres](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);

                my += s->mv[dir][i][1];

            }

            chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, pix_op, mx, my);

        break;

    case MV_TYPE_FIELD:

                add_dequant_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize, s->qscale);

                add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);

                    if (s->chroma_y_shift){

                        add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);

                        add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);

                add_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize);

                add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);

                    if(s->chroma_y_shift){//Chroma420

                        add_dct(s, block[4], 4, dest_cb, uvlinesize);

                        add_dct(s, block[5], 5, dest_cr, uvlinesize);

                    }

                }//fi gray

            }

                ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);

            }

        } else {

                put_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize, s->qscale);

                put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);

                    if(s->chroma_y_shift){

                        put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);

                        put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);

                s->dsp.idct_put(dest_y + dct_offset             , dct_linesize, block[2]);

                s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);

                    if(s->chroma_y_shift){

                        s->dsp.idct_put(dest_cb, uvlinesize, block[4]);

                        s->dsp.idct_put(dest_cr, uvlinesize, block[5]);