const int dct_algo= s->avctx->dct_algo;
int i; const int dct_algo = s->avctx->dct_algo; const int idct_algo= s->avctx->idct_algo;
void MPV_common_init_mmx(MpegEncContext *s){    if (mm_flags & MM_MMX) {        const int dct_algo= s->avctx->dct_algo;        s->dct_unquantize_h263 = dct_unquantize_h263_mmx;        s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_mmx;        s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_mmx;        draw_edges = draw_edges_mmx;        if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){            s->fdct = ff_fdct_mmx;            if(mm_flags & MM_MMXEXT){                s->dct_quantize= dct_quantize_MMX2;            } else {                s->dct_quantize= dct_quantize_MMX;            }        }    }}