1 /*
2  * Copyright 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.hyphonate.megaaudio.player.sources;
17 
18 public class SinAudioSource extends WaveTableSource {
19 
20     /**
21      * The number of SAMPLES in the Sin Wave table.
22      * This is plenty of samples for a clear sine wave.
23      * the + 1 is to avoid special handling of the interpolation on the last sample.
24      */
25     static final int WAVETABLE_LENGTH = 2049;
26 
SinAudioSource()27     public SinAudioSource() {
28         super();
29         float[] waveTbl = new float[WAVETABLE_LENGTH];
30         WaveTableSource.genSinWave(waveTbl);
31 
32         super.setWaveTable(waveTbl);
33     }
34 }
35