COPY(dct_count[0]); COPY(dct_count[1]);
static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){#define COPY(a) bak->a= src->a    COPY(allocated_edge_emu_buffer);    COPY(edge_emu_buffer);    COPY(me.scratchpad);    COPY(rd_scratchpad);    COPY(b_scratchpad);    COPY(obmc_scratchpad);    COPY(me.map);    COPY(me.score_map);    COPY(blocks);    COPY(block);    COPY(start_mb_y);    COPY(end_mb_y);    COPY(me.map_generation);    COPY(pb);    COPY(dct_error_sum);#undef COPY}