aboutsummaryrefslogtreecommitdiffstats
path: root/src/com/jsyn/unitgen/FixedRateStereoWriter.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/jsyn/unitgen/FixedRateStereoWriter.java')
-rw-r--r--src/com/jsyn/unitgen/FixedRateStereoWriter.java58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/com/jsyn/unitgen/FixedRateStereoWriter.java b/src/com/jsyn/unitgen/FixedRateStereoWriter.java
new file mode 100644
index 0000000..9f4e38d
--- /dev/null
+++ b/src/com/jsyn/unitgen/FixedRateStereoWriter.java
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ *
+ * @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();
+ }
+
+ }
+
+}