it works!!

bent-funny-zone/Cargo.toml

@@ -14,5 +14,4 @@ keywords.workspace = true
 image = { workspace = true }
 fundsp = { workspace = true }
 anyhow = { workspace = true }
-dasp_sample = { workspace = true }
 bingus = { workspace = true }

bent-funny-zone/src/main.rs

@@ -1,7 +1,39 @@
+use std::array;
+
 use anyhow::Result;
-use bingus::convert::samples::BytesToSample;
+use fundsp::{
+    hacker::{bell_hz, pipei, U12},
+    math::db_amp,
+};
+use image::io::Reader as ImageReader;
 
 fn main() -> Result<()> {
-    dbg!([1u8, 2, 3].to_sample::<f64>());
+    let mut img = ImageReader::open("bmp/bigsample.bmp")?.decode()?.to_rgb8();
+    let mut equalizer =
+        pipei::<U12, _, _>(|i| bell_hz(1000.0 + 1000.0 * i as f32, 1.0, db_amp(0.0)));
+    img.to_vec()
+        .chunks_exact(3)
+        .map(|px: &[u8]| f32::from_ne_bytes(array::from_fn(|i| px[i % px.len()])))
+        .map(|x| equalizer.filter_mono(x))
+        .flat_map(|px| -> [u8; 3] {
+            let px = px.to_ne_bytes();
+            array::from_fn(move |i| px[i])
+        })
+        .zip(img.as_mut())
+        .for_each(|(filtered, original)| *original = filtered);
+    img.save("bmp/out.bmp")?;
+
+    // let bytes: Vec<u8> = (1u8..7).into_iter().collect();
+    // assert_eq!(
+    // bytes,
+    // bytes
+    // .chunks_exact(3)
+    // .map(|px: &[u8]| f64::from_ne_bytes(array::from_fn(|i| px[i % px.len()])))
+    // .flat_map(|px: f64| -> [u8; 3] {
+    // let px = px.to_ne_bytes();
+    // array::from_fn(move |i| px[i])
+    // })
+    // .collect::<Vec<u8>>()
+    // );
     Ok(())
 }