author | amenkov |
Mon, 28 Feb 2011 18:36:33 +0300 | |
changeset 8525 | 08f98f5a11df |
parent 5506 | 202f599c92aa |
child 18215 | b2afd66ce6db |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.media.sound; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.ArrayList; |
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import java.util.List; |
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import javax.sound.sampled.AudioInputStream; |
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import javax.sound.sampled.AudioSystem; |
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/** |
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* Main mixer for SoftMixingMixer. |
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* |
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* @author Karl Helgason |
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*/ |
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public class SoftMixingMainMixer { |
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public final static int CHANNEL_LEFT = 0; |
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public final static int CHANNEL_RIGHT = 1; |
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public final static int CHANNEL_EFFECT1 = 2; |
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public final static int CHANNEL_EFFECT2 = 3; |
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public final static int CHANNEL_EFFECT3 = 4; |
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public final static int CHANNEL_EFFECT4 = 5; |
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public final static int CHANNEL_LEFT_DRY = 10; |
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public final static int CHANNEL_RIGHT_DRY = 11; |
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public final static int CHANNEL_SCRATCH1 = 12; |
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public final static int CHANNEL_SCRATCH2 = 13; |
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public final static int CHANNEL_CHANNELMIXER_LEFT = 14; |
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public final static int CHANNEL_CHANNELMIXER_RIGHT = 15; |
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private SoftMixingMixer mixer; |
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private AudioInputStream ais; |
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private SoftAudioBuffer[] buffers; |
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private SoftAudioProcessor reverb; |
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private SoftAudioProcessor chorus; |
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private SoftAudioProcessor agc; |
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private int nrofchannels; |
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private Object control_mutex; |
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private List<SoftMixingDataLine> openLinesList = new ArrayList<SoftMixingDataLine>(); |
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private SoftMixingDataLine[] openLines = new SoftMixingDataLine[0]; |
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public AudioInputStream getInputStream() { |
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return ais; |
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} |
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protected void processAudioBuffers() { |
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for (int i = 0; i < buffers.length; i++) { |
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buffers[i].clear(); |
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} |
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SoftMixingDataLine[] openLines; |
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synchronized (control_mutex) { |
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openLines = this.openLines; |
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for (int i = 0; i < openLines.length; i++) { |
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openLines[i].processControlLogic(); |
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} |
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chorus.processControlLogic(); |
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reverb.processControlLogic(); |
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agc.processControlLogic(); |
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} |
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for (int i = 0; i < openLines.length; i++) { |
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openLines[i].processAudioLogic(buffers); |
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} |
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chorus.processAudio(); |
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reverb.processAudio(); |
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agc.processAudio(); |
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} |
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public SoftMixingMainMixer(SoftMixingMixer mixer) { |
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this.mixer = mixer; |
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nrofchannels = mixer.getFormat().getChannels(); |
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int buffersize = (int) (mixer.getFormat().getSampleRate() / mixer |
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.getControlRate()); |
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control_mutex = mixer.control_mutex; |
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buffers = new SoftAudioBuffer[16]; |
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for (int i = 0; i < buffers.length; i++) { |
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buffers[i] = new SoftAudioBuffer(buffersize, mixer.getFormat()); |
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} |
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reverb = new SoftReverb(); |
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chorus = new SoftChorus(); |
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agc = new SoftLimiter(); |
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float samplerate = mixer.getFormat().getSampleRate(); |
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float controlrate = mixer.getControlRate(); |
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reverb.init(samplerate, controlrate); |
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chorus.init(samplerate, controlrate); |
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agc.init(samplerate, controlrate); |
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|
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reverb.setMixMode(true); |
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chorus.setMixMode(true); |
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agc.setMixMode(false); |
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|
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chorus.setInput(0, buffers[CHANNEL_EFFECT2]); |
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chorus.setOutput(0, buffers[CHANNEL_LEFT]); |
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if (nrofchannels != 1) |
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chorus.setOutput(1, buffers[CHANNEL_RIGHT]); |
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chorus.setOutput(2, buffers[CHANNEL_EFFECT1]); |
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|
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reverb.setInput(0, buffers[CHANNEL_EFFECT1]); |
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reverb.setOutput(0, buffers[CHANNEL_LEFT]); |
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if (nrofchannels != 1) |
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reverb.setOutput(1, buffers[CHANNEL_RIGHT]); |
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|
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agc.setInput(0, buffers[CHANNEL_LEFT]); |
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if (nrofchannels != 1) |
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agc.setInput(1, buffers[CHANNEL_RIGHT]); |
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agc.setOutput(0, buffers[CHANNEL_LEFT]); |
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if (nrofchannels != 1) |
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agc.setOutput(1, buffers[CHANNEL_RIGHT]); |
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|
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InputStream in = new InputStream() { |
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|
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private SoftAudioBuffer[] buffers = SoftMixingMainMixer.this.buffers; |
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|
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private int nrofchannels = SoftMixingMainMixer.this.mixer |
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.getFormat().getChannels(); |
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|
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private int buffersize = buffers[0].getSize(); |
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|
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private byte[] bbuffer = new byte[buffersize |
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* (SoftMixingMainMixer.this.mixer.getFormat() |
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.getSampleSizeInBits() / 8) * nrofchannels]; |
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|
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private int bbuffer_pos = 0; |
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|
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private byte[] single = new byte[1]; |
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|
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public void fillBuffer() { |
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processAudioBuffers(); |
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for (int i = 0; i < nrofchannels; i++) |
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buffers[i].get(bbuffer, i); |
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bbuffer_pos = 0; |
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185 |
} |
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|
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public int read(byte[] b, int off, int len) { |
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int bbuffer_len = bbuffer.length; |
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int offlen = off + len; |
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byte[] bbuffer = this.bbuffer; |
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while (off < offlen) |
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if (available() == 0) |
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fillBuffer(); |
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else { |
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int bbuffer_pos = this.bbuffer_pos; |
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while (off < offlen && bbuffer_pos < bbuffer_len) |
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b[off++] = bbuffer[bbuffer_pos++]; |
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this.bbuffer_pos = bbuffer_pos; |
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199 |
} |
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return len; |
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} |
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|
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public int read() throws IOException { |
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int ret = read(single); |
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205 |
if (ret == -1) |
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206 |
return -1; |
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return single[0] & 0xFF; |
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208 |
} |
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209 |
|
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public int available() { |
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return bbuffer.length - bbuffer_pos; |
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212 |
} |
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213 |
|
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public void close() { |
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SoftMixingMainMixer.this.mixer.close(); |
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216 |
} |
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|
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218 |
}; |
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219 |
|
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ais = new AudioInputStream(in, mixer.getFormat(), |
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221 |
AudioSystem.NOT_SPECIFIED); |
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222 |
|
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223 |
} |
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224 |
|
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225 |
public void openLine(SoftMixingDataLine line) { |
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226 |
synchronized (control_mutex) { |
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227 |
openLinesList.add(line); |
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228 |
openLines = openLinesList |
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.toArray(new SoftMixingDataLine[openLinesList.size()]); |
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230 |
} |
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231 |
} |
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232 |
|
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public void closeLine(SoftMixingDataLine line) { |
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234 |
synchronized (control_mutex) { |
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235 |
openLinesList.remove(line); |
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236 |
openLines = openLinesList |
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.toArray(new SoftMixingDataLine[openLinesList.size()]); |
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238 |
if (openLines.length == 0) |
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239 |
if (mixer.implicitOpen) |
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240 |
mixer.close(); |
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241 |
} |
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242 |
|
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243 |
} |
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244 |
|
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public SoftMixingDataLine[] getOpenLines() { |
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246 |
synchronized (control_mutex) { |
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247 |
return openLines; |
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248 |
} |
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249 |
|
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250 |
} |
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251 |
|
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252 |
public void close() { |
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253 |
SoftMixingDataLine[] openLines = this.openLines; |
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254 |
for (int i = 0; i < openLines.length; i++) { |
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255 |
openLines[i].close(); |
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256 |
} |
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257 |
} |
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258 |
|
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259 |
} |