1 files changed, 59 insertions, 0 deletions

diff --git a/src/main/java/com/jsyn/unitgen/ChannelIn.java b/src/main/java/com/jsyn/unitgen/ChannelIn.java
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+++ b/src/main/java/com/jsyn/unitgen/ChannelIn.java
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+/*
+ * Copyright 2009 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;
+
+import com.jsyn.ports.UnitOutputPort;
+
+/**
+ * Provides access to one specific channel of the audio input. For ChannelIn to work you must call
+ * the {@link com.jsyn.Synthesizer} start() method with numInputChannels > 0.
+ *
+ * @author Phil Burk (C) 2009 Mobileer Inc
+ * @see ChannelOut
+ * @see LineIn
+ */
+public class ChannelIn extends UnitGenerator {
+    public UnitOutputPort output;
+    private int channelIndex;
+
+    public ChannelIn() {
+        this(0);
+    }
+
+    public ChannelIn(int channelIndex) {
+        addPort(output = new UnitOutputPort());
+        setChannelIndex(channelIndex);
+    }
+
+    public int getChannelIndex() {
+        return channelIndex;
+    }
+
+    public void setChannelIndex(int channelIndex) {
+        this.channelIndex = channelIndex;
+    }
+
+    @Override
+    public void generate(int start, int limit) {
+        double[] outputs = output.getValues(0);
+        double[] buffer = synthesisEngine.getInputBuffer(channelIndex);
+        for (int i = start; i < limit; i++) {
+            outputs[i] = buffer[i];
+        }
+    }
+
+}