start lib

bingus/src/lib.rs

@@ -1,14 +1,61 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+use dasp_sample::{FromSample, Sample, U24};
+mod media;
+
+pub trait AsMedia<M, T> {
+    fn as_media(self) -> T;
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+pub trait AsSample<S>
+where
+    S: Sample,
+{
+    fn as_sample(self) -> S;
+}
 
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
+impl<S> AsSample<S> for u8
+where
+    S: Sample + FromSample<u8>,
+{
+    fn as_sample(self) -> S {
+        self.to_sample()
+    }
+}
+
+impl<S> AsSample<S> for (u8, u8)
+where
+    S: Sample + FromSample<u16>,
+{
+    fn as_sample(self) -> S {
+        (((self.0 as u16) << 8) | self.1 as u16).to_sample()
+    }
+}
+
+impl<S> AsSample<S> for (u8, u8, u8)
+where
+    S: Sample + FromSample<U24>,
+{
+    fn as_sample(self) -> S {
+        (((U24::from(self.0)) << 16.into()) | (U24::from(self.1) << 8.into()) | U24::from(self.2))
+            .to_sample()
+    }
+}
+
+impl<S> AsSample<S> for (u8, u8, u8, u8)
+where
+    S: Sample + FromSample<u32>,
+{
+    fn as_sample(self) -> S {
+        (((self.0 as u32) << 24) | ((self.1 as u32) << 16) | ((self.2 as u32) << 8) | self.3 as u32)
+            .to_sample()
+    }
+}
+
+impl<T, S> AsMedia<media::Sample, S> for T
+where
+    T: AsSample<S>,
+    S: Sample,
+{
+    fn as_media(self) -> S {
+        self.as_sample()
     }
 }

bingus/src/media.rs

@@ -0,0 +1 @@
+pub struct Sample;