1 files changed, 60 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/unitgen/FixedRateStereoWriter.java b/src/main/java/com/jsyn/unitgen/FixedRateStereoWriter.java
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+++ b/src/main/java/com/jsyn/unitgen/FixedRateStereoWriter.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.UnitInputPort;
+
+/**
+ * Simple stereo sample writer. Write two samples per audio frame with no interpolation. This can be
+ * used to record audio or to build delay lines.
+ *
+ * Note that you must call start() on this unit because it does not have an output for pulling data.
+ *
+ * @see FixedRateMonoWriter
+ * @author Phil Burk (C) 2009 Mobileer Inc
+ */
+public class FixedRateStereoWriter extends SequentialDataWriter {
+
+    public FixedRateStereoWriter() {
+        addPort(input = new UnitInputPort(2, "Input"));
+        dataQueue.setNumChannels(2);
+    }
+
+    @Override
+    public void generate(int start, int limit) {
+        double[] input0s = input.getValues(0);
+        double[] input1s = input.getValues(1);
+
+        for (int i = start; i < limit; i++) {
+            if (dataQueue.hasMore()) {
+                dataQueue.beginFrame(getFramePeriod());
+                double value = input0s[i];
+                dataQueue.writeCurrentChannelDouble(0, value);
+                value = input1s[i];
+                dataQueue.writeCurrentChannelDouble(1, value);
+                dataQueue.endFrame();
+            } else {
+                if (dataQueue.testAndClearAutoStop()) {
+                    autoStop();
+                }
+            }
+            dataQueue.firePendingCallbacks();
+        }
+
+    }
+
+}