chunk to sample process

src/fm_demod.rs

@@ -1,5 +1,3 @@
-use std::{os::unix::process, slice::Chunks};
-
 use crate::iq_reader::{IqChunk, IqSample};
 
 pub struct FmDemod<I> {
@@ -15,7 +13,7 @@ impl<I> FmDemod<I> {
         }
     }
 
-    pub fn process_chunk(&mut self, chunk: &mut IqChunk) {
+    pub fn process_sample(&mut self, sample: IqSample) -> IqSample {
         // TODO: FM Demodulation
         todo!();
     }
@@ -23,16 +21,13 @@ impl<I> FmDemod<I> {
 
 impl<I, E> Iterator for FmDemod<I>
 where
-    I: Iterator<Item = Result<IqChunk, E>>,
+    I: Iterator<Item = Result<IqSample, E>>,
 {
-    type Item = Result<IqChunk, E>;
+    type Item = Result<IqSample, E>;
 
     fn next(&mut self) -> Option<Self::Item> {
         match self.inner.next()? {
-            Ok(mut chunk) => {
-                self.process_chunk(&mut chunk);
-                Some(Ok(chunk))
-            }
+            Ok(sample) => Some(Ok(self.process_sample(sample))),
             Err(e) => Some(Err(e)),
         }
     }