com.bugvm.sound.YTargetDataLine Maven / Gradle / Ivy
/*
* Copyright (C) 2017 BugVM
*
* 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.bugvm.sound;
import javax.sound.sampled.*;
public class YTargetDataLine extends YDataLine implements TargetDataLine {
public YTargetDataLine() {
if(Boolean.getBoolean("YDEBUG")) {
System.out.println("YTargetDataLine()");
}
}
public YTargetDataLine(Line.Info info) {
super(info);
if(Boolean.getBoolean("YDEBUG")) {
System.out.println("YTargetDataLine(Line.Info info)");
}
}
@Override
public void open(AudioFormat audioFormat, int BufferSize) throws LineUnavailableException {
super.open(audioFormat,BufferSize);
//
int Encoding = 0;// convert this to int, audioFormat.getEncoding();
int FrameRate = (int)audioFormat.getFrameRate();
int BitsPerSample = audioFormat.getSampleSizeInBits();
int Channels = audioFormat.getChannels();
int FrameSize= audioFormat.getFrameSize();
int SampleRate = (int)audioFormat.getSampleRate();
boolean isBigEndian = audioFormat.isBigEndian();
int device = YNative.GetDefaultInputDevice();
YNative.InputLineOpen(device,Encoding,FrameRate,BitsPerSample,Channels,FrameSize,SampleRate,isBigEndian,BufferSize);
//
if(Boolean.getBoolean("YDEBUG")) {
System.out.println("YTargetDataLine.open(AudioFormat audioFormat, int BufferSize)");
}
}
//
@Override
public void open(AudioFormat audioFormat) throws LineUnavailableException {
open(audioFormat, 1024*4);
if(Boolean.getBoolean("YDEBUG")) {
System.out.println("YTargetDataLine.open(AudioFormat audioFormat)");
}
}
//
@Override
public int read(byte[] buffer, int offset, int length) {
//this is a workaround to handle PA.
//this is to make sure PA close/stop stream when it is not running.
//if we call PA read, PA may keep running.
if (!isRunning()) return 0;
//System.out.println("YTargetDataLine requested " + length);
return YNative.read(buffer, offset, length);
}
}