1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/unitgen/GrainSource.java b/src/main/java/com/jsyn/unitgen/GrainSource.java
new file mode 100644
index 0000000..1d5c522
--- /dev/null
+++ b/src/main/java/com/jsyn/unitgen/GrainSource.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2011 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.unitgen;
+
+/**
+ * Defines classes that can provide the signal inside a Grain.
+ * 
+ * @author Phil Burk (C) 2011 Mobileer Inc
+ */
+public interface GrainSource {
+    double getFrameRate();
+
+    void setFrameRate(double frameRate);
+
+    /** Generate one more value or the source signal. */
+    double next();
+
+    /** Reset the internal phase of the grain. */
+    void reset();
+
+    void setRate(double rate);
+}