ffmpeg stuff

src/imgdata.rs

@@ -24,7 +24,7 @@ impl ThinGridData {
     pub fn new_from_grid_vec(in_grids: &[Grid]) -> Vec<Self> {
         in_grids
             .iter()
-            .map(|grid| Self::new_from_grid(grid))
+            .map(Self::new_from_grid)
             .collect()
     }