Added Source and Dest traits with Vec<u8>

crates/universal-capture/src/dests/in_memory.rs

@@ -0,0 +1,3 @@
+use crate::Dest;
+
+impl<T> Dest for Vec<T> {}

crates/universal-capture/src/dests/mod.rs

@@ -0,0 +1,3 @@
+mod in_memory;
+
+pub use in_memory::*;

crates/universal-capture/src/lib.rs

@@ -1 +1,18 @@
+pub mod dests;
+pub mod sources;
 
+pub trait Dest: private::Sealed {}
+
+pub trait Source<Dest>: private::Sealed {
+	/// Error returned by [`Self::capture`]
+	type Error;
+
+	/// Captures a frame from the `Source` and puts it in `Dest`.
+	fn capture(&mut self, dest: &mut Dest) -> Result<(), Self::Error>;
+}
+
+mod private {
+	pub trait Sealed {}
+
+	impl<T> Sealed for Vec<T> {}
+}

crates/universal-capture/src/sources/in_memory.rs

@@ -0,0 +1,12 @@
+use std::convert::Infallible;
+
+use crate::Source;
+
+impl<T> Source<Vec<T>> for Vec<T> {
+	type Error = Infallible;
+
+	fn capture(&mut self, dest: &mut Vec<T>) -> Result<(), Self::Error> {
+		std::mem::swap(dest, self);
+		Ok(())
+	}
+}

crates/universal-capture/src/sources/mod.rs

@@ -0,0 +1,3 @@
+mod in_memory;
+
+pub use in_memory::*;