s->gb= s->last_resync_gb; align_get_bits(&s->gb); left= s->gb.size_in_bits - get_bits_count(&s->gb);  for(;left>15+1+4+5; left-=8){
else{
static int ff_h261_resync(H261Context *h){    MpegEncContext * const s = &h->s;    int left, ret;    if(show_bits(&s->gb, 15)==0){        ret= h261_decode_gob_header(h);        if(ret>=0)            return 0;    }    //ok, its not where its supposed to be ...    s->gb= s->last_resync_gb;    align_get_bits(&s->gb);    left= s->gb.size_in_bits - get_bits_count(&s->gb);    for(;left>15+1+4+5; left-=8){        if(show_bits(&s->gb, 15)==0){            GetBitContext bak= s->gb;            ret= h261_decode_gob_header(h);            if(ret>=0)                return 0;            s->gb= bak;        }        skip_bits(&s->gb, 8);    }    return -1;}