encoder/video: add getter methods needed for video transcoding

src/codec/encoder/video.rs

@@ -61,12 +61,24 @@ impl Video {
 		}
 	}
 
+	pub fn width(&self) -> u32 {
+		unsafe {
+			(*self.as_ptr()).width as u32
+		}
+	}
+
 	pub fn set_height(&mut self, value: u32) {
 		unsafe {
 			(*self.as_mut_ptr()).height = value as c_int;
 		}
 	}
 
+	pub fn height(&self) -> u32 {
+		unsafe {
+			(*self.as_ptr()).height as u32
+		}
+	}
+
 	pub fn set_gop(&mut self, value: u32) {
 		unsafe {
 			(*self.as_mut_ptr()).gop_size = value as c_int;
@@ -79,6 +91,12 @@ impl Video {
 		}
 	}
 
+	pub fn format(&self) -> format::Pixel {
+		unsafe {
+			format::Pixel::from((*self.as_ptr()).pix_fmt)
+		}
+	}
+
 	pub fn set_motion_estimation(&mut self, value: MotionEstimation) {
 		unsafe {
 			(*self.as_mut_ptr()).me_method = value.into();
@@ -285,6 +303,12 @@ impl Encoder {
 			}
 		}
 	}
+
+	pub fn frame_size(&self) -> u32 {
+		unsafe {
+			(*self.as_ptr()).frame_size as u32
+		}
+	}
 }
 
 impl Deref for Encoder {