ff_init_scantable_permutation(s->idsp.idct_permutation, FF_IDCT_PERM_NONE);
ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
s->qscale = 1;
ff_init_scantable_permutation(s->idsp.idct_permutation, FF_IDCT_PERM_NONE);
ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
s->qscale = 1;