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Diffstat (limited to 'src/com/jsyn/data/ShortSample.java')
-rw-r--r-- | src/com/jsyn/data/ShortSample.java | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/com/jsyn/data/ShortSample.java b/src/com/jsyn/data/ShortSample.java deleted file mode 100644 index 4a4110e..0000000 --- a/src/com/jsyn/data/ShortSample.java +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Copyright 2010 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.data; - -import com.jsyn.engine.SynthesisEngine; -import com.jsyn.unitgen.FixedRateMonoReader; -import com.jsyn.unitgen.FixedRateStereoReader; -import com.jsyn.unitgen.VariableRateMonoReader; -import com.jsyn.unitgen.VariableRateStereoReader; -import com.jsyn.util.SampleLoader; - -/** - * Store multi-channel short audio data in an interleaved buffer. - * - * @author Phil Burk (C) 2010 Mobileer Inc - * @see SampleLoader - * @see FixedRateMonoReader - * @see FixedRateStereoReader - * @see VariableRateMonoReader - * @see VariableRateStereoReader - */ -public class ShortSample extends AudioSample { - private short[] buffer; - - public ShortSample() { - } - - public ShortSample(int numFrames, int channelsPerFrame) { - allocate(numFrames, channelsPerFrame); - } - - /** Constructor for mono samples with data. */ - public ShortSample(short[] data) { - this(data.length, 1); - write(data); - } - - /** Constructor for multi-channel samples with data. */ - public ShortSample(short[] data, int channelsPerFrame) { - this(data.length / channelsPerFrame, channelsPerFrame); - write(data); - } - - @Override - public void allocate(int numFrames, int channelsPerFrame) { - buffer = new short[numFrames * channelsPerFrame]; - this.numFrames = numFrames; - this.channelsPerFrame = channelsPerFrame; - } - - /** - * Note that in a stereo sample, a frame has two values. - * - * @param startFrame index of frame in the sample - * @param data data to be written - * @param startIndex index of first value in array - * @param numFrames - */ - public void write(int startFrame, short[] data, int startIndex, int numFrames) { - int numSamplesToWrite = numFrames * channelsPerFrame; - int firstSampleIndexToWrite = startFrame * channelsPerFrame; - System.arraycopy(data, startIndex, buffer, firstSampleIndexToWrite, numSamplesToWrite); - } - - /** - * Note that in a stereo sample, a frame has two values. - * - * @param startFrame index of frame in the sample - * @param data array to receive the data from the sample - * @param startIndex index of first location in array to start filling - * @param numFrames - */ - public void read(int startFrame, short[] data, int startIndex, int numFrames) { - int numSamplesToRead = numFrames * channelsPerFrame; - int firstSampleIndexToRead = startFrame * channelsPerFrame; - System.arraycopy(buffer, firstSampleIndexToRead, data, startIndex, numSamplesToRead); - } - - public void write(short[] data) { - write(0, data, 0, data.length); - } - - public void read(short[] data) { - read(0, data, 0, data.length); - } - - public short readShort(int index) { - return buffer[index]; - } - - public void writeShort(int index, short value) { - buffer[index] = value; - } - - /** Read a sample converted to a double in the range -1.0 to almost 1.0. */ - @Override - public double readDouble(int index) { - return SynthesisEngine.convertShortToDouble(buffer[index]); - } - - /** - * Write a double that will be clipped to the range -1.0 to almost 1.0 and converted to a short. - */ - @Override - public void writeDouble(int index, double value) { - buffer[index] = SynthesisEngine.convertDoubleToShort(value); - } - -} |