In revision 10672 the following define was added: #define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE) however in revision 10674 on line 4099 h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width; should it not be changed to: h->emu_edge_height= (FIELD_OR_MBAFF_PICTURE) ? 0 : h->emu_edge_width; Rodion Kosovsky