common: integer: Time <-> Ratio

lib/common/src/integer.rs

@@ -63,6 +63,12 @@ impl<T> From<Planar64> for Time<T>{
 		Self::raw((value*Planar64::raw(1_000_000_000)).fix_1().to_raw())
 	}
 }
+impl<T> From<Time<T>> for Ratio<Planar64,Planar64>{
+	#[inline]
+	fn from(value:Time<T>)->Self{
+		value.to_ratio()
+	}
+}
 impl<T,Num,Den,N1,T1> From<Ratio<Num,Den>> for Time<T>
 	where
 		Num:core::ops::Mul<Planar64,Output=N1>,