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Diffstat (limited to 'src/com/jsyn/unitgen/FixedRateStereoWriter.java')
-rw-r--r-- | src/com/jsyn/unitgen/FixedRateStereoWriter.java | 58 |
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(); + } + + } + +} |