util/rational: some more refactoring

src/codec/decoder/mod.rs

@@ -105,14 +105,14 @@ impl Decoder {
 				None
 			}
 			else {
-				Some(Rational(value))
+				Some(Rational::from(value))
 			}
 		}
 	}
 
 	pub fn time_base(&self) -> Rational {
 		unsafe {
-			Rational((*self.as_ptr()).time_base)
+			Rational::from((*self.as_ptr()).time_base)
 		}
 	}
 }

src/codec/decoder/video.rs

@@ -56,7 +56,7 @@ impl Video {
 
 	pub fn aspect_ratio(&self) -> Rational {
 		unsafe {
-			Rational((*self.as_ptr()).sample_aspect_ratio)
+			Rational::from((*self.as_ptr()).sample_aspect_ratio)
 		}
 	}
 

src/codec/encoder/mod.rs

@@ -91,7 +91,7 @@ impl Encoder {
 	pub fn set_frame_rate(&mut self, value: Option<Rational>) {
 		unsafe {
 			if let Some(value) = value {
-				(*self.as_mut_ptr()).framerate = value.0;
+				(*self.as_mut_ptr()).framerate = value.into();
 			}
 			else {
 				(*self.as_mut_ptr()).framerate.num = 0;
@@ -102,7 +102,7 @@ impl Encoder {
 
 	pub fn set_time_base(&mut self, value: Rational) {
 		unsafe {
-			(*self.as_mut_ptr()).time_base = value.0;
+			(*self.as_mut_ptr()).time_base = value.into();
 		}
 	}
 }

src/codec/encoder/video.rs

@@ -120,7 +120,7 @@ impl Video {
 
 	pub fn set_aspect_ratio(&mut self, value: Rational) {
 		unsafe {
-			(*self.as_mut_ptr()).sample_aspect_ratio = value.0;
+			(*self.as_mut_ptr()).sample_aspect_ratio = value.into();
 		}
 	}