Vendor dependencies for 0.3.0 release

vendor/rodio/examples/noise_generator.rs

@@ -0,0 +1,41 @@
+//! Noise generator example. Use the "noise" feature to enable the noise generator sources.
+
+#[cfg(feature = "noise")]
+fn main() {
+    use rodio::source::{pink, white, Source};
+    use std::thread;
+    use std::time::Duration;
+
+    let (_stream, stream_handle) = rodio::OutputStream::try_default().unwrap();
+
+    let noise_duration = Duration::from_millis(1000);
+    let interval_duration = Duration::from_millis(1500);
+
+    stream_handle
+        .play_raw(
+            white(cpal::SampleRate(48000))
+                .amplify(0.1)
+                .take_duration(noise_duration),
+        )
+        .unwrap();
+    println!("Playing white noise");
+
+    thread::sleep(interval_duration);
+
+    stream_handle
+        .play_raw(
+            pink(cpal::SampleRate(48000))
+                .amplify(0.1)
+                .take_duration(noise_duration),
+        )
+        .unwrap();
+    println!("Playing pink noise");
+
+    thread::sleep(interval_duration);
+}
+
+#[cfg(not(feature = "noise"))]
+fn main() {
+    println!("rodio has not been compiled with noise sources, use `--features noise` to enable this feature.");
+    println!("Exiting...");
+}