fix some problems

src/lib.rs

@@ -1,13 +1,14 @@
+use std::fs;
 use std::path::PathBuf;
 use std::time::Duration;
 
 use libxm::*;
-use rodio::{OutputStream, Source, Sink};
-use std::fs;
+use rodio::Source;
 
 pub const BUFFER_SIZE: usize = 2048;
 
 /// Example usage
+///
 /// ```rust
 /// fn main() {
 ///     let mut xm = libxm::XMContext::new(
@@ -46,15 +47,15 @@ impl XMSource {
         let xm = libxm::XMContext::new(bytes, 48000)
             .expect("failed to parse xm");
 
-        self::new(xm)
+        XMSource::new(xm)
     }
 
     pub fn from_file(path: PathBuf) -> Self {
         let file = fs::read(path).expect("couldn't read file");
-        let xm = libxm::XMContext::new(file.as_bytes(), 48000)
+        let xm = libxm::XMContext::new(&file, 48000)
             .expect("failed to parse xm");
 
-        self::new(xm)
+        XMSource::new(xm)
     }
 }