*: returning &mut Self from setters was an awful idea

Deref breaks things.

src/codec/decoder/audio.rs

@@ -64,20 +64,16 @@ impl Audio {
 		}
 	}
 
-	pub fn set_channel_layout(&mut self, value: ChannelLayout) -> &mut Self {
+	pub fn set_channel_layout(&mut self, value: ChannelLayout) {
 		unsafe {
 			(*self.as_mut_ptr()).channel_layout = value.bits();
 		}
-
-		self
 	}
 
-	pub fn request_channel_layout(&mut self, value: ChannelLayout) -> &mut Self {
+	pub fn request_channel_layout(&mut self, value: ChannelLayout) {
 		unsafe {
 			(*self.as_mut_ptr()).request_channel_layout = value.bits();
 		}
-
-		self
 	}
 
 	pub fn audio_service(&mut self) -> AudioService {

src/codec/decoder/video.rs

@@ -84,36 +84,28 @@ impl Video {
 		}
 	}
 
-	pub fn set_slice_count(&mut self, value: usize) -> &mut Self {
+	pub fn set_slice_count(&mut self, value: usize) {
 		unsafe {
 			(*self.as_mut_ptr()).slice_count = value as c_int;
 		}
-
-		self
 	}
 
-	pub fn set_slice_flags(&mut self, value: slice::Flags) -> &mut Self {
+	pub fn set_slice_flags(&mut self, value: slice::Flags) {
 		unsafe {
 			(*self.as_mut_ptr()).slice_flags = value.bits();
 		}
-
-		self
 	}
 
-	pub fn skip_top(&mut self, value: usize) -> &mut Self {
+	pub fn skip_top(&mut self, value: usize) {
 		unsafe {
 			(*self.as_mut_ptr()).skip_top = value as c_int;
 		}
-
-		self
 	}
 
-	pub fn skip_bottom(&mut self, value: usize) -> &mut Self {
+	pub fn skip_bottom(&mut self, value: usize) {
 		unsafe {
 			(*self.as_mut_ptr()).skip_bottom = value as c_int;
 		}
-
-		self
 	}
 
 	pub fn references(&self) -> usize {
@@ -122,12 +114,10 @@ impl Video {
 		}
 	}
 
-	pub fn set_field_order(&mut self, value: FieldOrder) -> &mut Self {
+	pub fn set_field_order(&mut self, value: FieldOrder) {
 		unsafe {
 			(*self.as_mut_ptr()).field_order = value.into();
 		}
-
-		self
 	}
 
 	// intra_matrix