| /* |
| * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.sun.media.sound; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioSystem; |
| |
| /** |
| * Main mixer for SoftMixingMixer. |
| * |
| * @author Karl Helgason |
| */ |
| public final class SoftMixingMainMixer { |
| |
| public final static int CHANNEL_LEFT = 0; |
| |
| public final static int CHANNEL_RIGHT = 1; |
| |
| public final static int CHANNEL_EFFECT1 = 2; |
| |
| public final static int CHANNEL_EFFECT2 = 3; |
| |
| public final static int CHANNEL_EFFECT3 = 4; |
| |
| public final static int CHANNEL_EFFECT4 = 5; |
| |
| public final static int CHANNEL_LEFT_DRY = 10; |
| |
| public final static int CHANNEL_RIGHT_DRY = 11; |
| |
| public final static int CHANNEL_SCRATCH1 = 12; |
| |
| public final static int CHANNEL_SCRATCH2 = 13; |
| |
| public final static int CHANNEL_CHANNELMIXER_LEFT = 14; |
| |
| public final static int CHANNEL_CHANNELMIXER_RIGHT = 15; |
| |
| private final SoftMixingMixer mixer; |
| |
| private final AudioInputStream ais; |
| |
| private final SoftAudioBuffer[] buffers; |
| |
| private final SoftAudioProcessor reverb; |
| |
| private final SoftAudioProcessor chorus; |
| |
| private final SoftAudioProcessor agc; |
| |
| private final int nrofchannels; |
| |
| private final Object control_mutex; |
| |
| private final List<SoftMixingDataLine> openLinesList = new ArrayList<SoftMixingDataLine>(); |
| |
| private SoftMixingDataLine[] openLines = new SoftMixingDataLine[0]; |
| |
| public AudioInputStream getInputStream() { |
| return ais; |
| } |
| |
| void processAudioBuffers() { |
| for (int i = 0; i < buffers.length; i++) { |
| buffers[i].clear(); |
| } |
| |
| SoftMixingDataLine[] openLines; |
| synchronized (control_mutex) { |
| openLines = this.openLines; |
| for (int i = 0; i < openLines.length; i++) { |
| openLines[i].processControlLogic(); |
| } |
| chorus.processControlLogic(); |
| reverb.processControlLogic(); |
| agc.processControlLogic(); |
| } |
| for (int i = 0; i < openLines.length; i++) { |
| openLines[i].processAudioLogic(buffers); |
| } |
| |
| chorus.processAudio(); |
| reverb.processAudio(); |
| |
| agc.processAudio(); |
| |
| } |
| |
| public SoftMixingMainMixer(SoftMixingMixer mixer) { |
| this.mixer = mixer; |
| |
| nrofchannels = mixer.getFormat().getChannels(); |
| |
| int buffersize = (int) (mixer.getFormat().getSampleRate() / mixer |
| .getControlRate()); |
| |
| control_mutex = mixer.control_mutex; |
| buffers = new SoftAudioBuffer[16]; |
| for (int i = 0; i < buffers.length; i++) { |
| buffers[i] = new SoftAudioBuffer(buffersize, mixer.getFormat()); |
| |
| } |
| |
| reverb = new SoftReverb(); |
| chorus = new SoftChorus(); |
| agc = new SoftLimiter(); |
| |
| float samplerate = mixer.getFormat().getSampleRate(); |
| float controlrate = mixer.getControlRate(); |
| reverb.init(samplerate, controlrate); |
| chorus.init(samplerate, controlrate); |
| agc.init(samplerate, controlrate); |
| |
| reverb.setMixMode(true); |
| chorus.setMixMode(true); |
| agc.setMixMode(false); |
| |
| chorus.setInput(0, buffers[CHANNEL_EFFECT2]); |
| chorus.setOutput(0, buffers[CHANNEL_LEFT]); |
| if (nrofchannels != 1) |
| chorus.setOutput(1, buffers[CHANNEL_RIGHT]); |
| chorus.setOutput(2, buffers[CHANNEL_EFFECT1]); |
| |
| reverb.setInput(0, buffers[CHANNEL_EFFECT1]); |
| reverb.setOutput(0, buffers[CHANNEL_LEFT]); |
| if (nrofchannels != 1) |
| reverb.setOutput(1, buffers[CHANNEL_RIGHT]); |
| |
| agc.setInput(0, buffers[CHANNEL_LEFT]); |
| if (nrofchannels != 1) |
| agc.setInput(1, buffers[CHANNEL_RIGHT]); |
| agc.setOutput(0, buffers[CHANNEL_LEFT]); |
| if (nrofchannels != 1) |
| agc.setOutput(1, buffers[CHANNEL_RIGHT]); |
| |
| InputStream in = new InputStream() { |
| |
| private final SoftAudioBuffer[] buffers = SoftMixingMainMixer.this.buffers; |
| |
| private final int nrofchannels = SoftMixingMainMixer.this.mixer |
| .getFormat().getChannels(); |
| |
| private final int buffersize = buffers[0].getSize(); |
| |
| private final byte[] bbuffer = new byte[buffersize |
| * (SoftMixingMainMixer.this.mixer.getFormat() |
| .getSampleSizeInBits() / 8) * nrofchannels]; |
| |
| private int bbuffer_pos = 0; |
| |
| private final byte[] single = new byte[1]; |
| |
| public void fillBuffer() { |
| processAudioBuffers(); |
| for (int i = 0; i < nrofchannels; i++) |
| buffers[i].get(bbuffer, i); |
| bbuffer_pos = 0; |
| } |
| |
| public int read(byte[] b, int off, int len) { |
| int bbuffer_len = bbuffer.length; |
| int offlen = off + len; |
| byte[] bbuffer = this.bbuffer; |
| while (off < offlen) |
| if (available() == 0) |
| fillBuffer(); |
| else { |
| int bbuffer_pos = this.bbuffer_pos; |
| while (off < offlen && bbuffer_pos < bbuffer_len) |
| b[off++] = bbuffer[bbuffer_pos++]; |
| this.bbuffer_pos = bbuffer_pos; |
| } |
| return len; |
| } |
| |
| public int read() throws IOException { |
| int ret = read(single); |
| if (ret == -1) |
| return -1; |
| return single[0] & 0xFF; |
| } |
| |
| public int available() { |
| return bbuffer.length - bbuffer_pos; |
| } |
| |
| public void close() { |
| SoftMixingMainMixer.this.mixer.close(); |
| } |
| |
| }; |
| |
| ais = new AudioInputStream(in, mixer.getFormat(), |
| AudioSystem.NOT_SPECIFIED); |
| |
| } |
| |
| public void openLine(SoftMixingDataLine line) { |
| synchronized (control_mutex) { |
| openLinesList.add(line); |
| openLines = openLinesList |
| .toArray(new SoftMixingDataLine[openLinesList.size()]); |
| } |
| } |
| |
| public void closeLine(SoftMixingDataLine line) { |
| synchronized (control_mutex) { |
| openLinesList.remove(line); |
| openLines = openLinesList |
| .toArray(new SoftMixingDataLine[openLinesList.size()]); |
| if (openLines.length == 0) |
| if (mixer.implicitOpen) |
| mixer.close(); |
| } |
| |
| } |
| |
| public SoftMixingDataLine[] getOpenLines() { |
| synchronized (control_mutex) { |
| return openLines; |
| } |
| |
| } |
| |
| public void close() { |
| SoftMixingDataLine[] openLines = this.openLines; |
| for (int i = 0; i < openLines.length; i++) { |
| openLines[i].close(); |
| } |
| } |
| |
| } |