static int seek(stream_t *s, int64_t newpos) { dvd_seek(s, s->priv,newpos/2048); return 1; }
static int do_seek(stream_t *s, int64_t newpos) { stream_drop_buffers(s); dvd_seek(s, s->priv,newpos/2048); return 1; }
static int seek(stream_t *s, off_t newpos) { s->pos=newpos; // real seek dvd_seek(s->priv,s->pos/2048); return 1; }