150 lines
4.7 KiB
Java
150 lines
4.7 KiB
Java
/*
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This file is part of Peers, a java SIP softphone.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2008, 2009, 2010, 2011 Yohann Martineau
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*/
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package peers.media;
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import org.tinylog.Logger;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PipedInputStream;
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import java.io.PipedOutputStream;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.concurrent.CountDownLatch;
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public abstract class Encoder implements Runnable {
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private final PipedInputStream rawData;
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private final PipedOutputStream encodedData;
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private boolean isStopped;
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private FileOutputStream encoderOutput;
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private FileOutputStream encoderInput;
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private final boolean mediaDebug;
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private final String peersHome;
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private final CountDownLatch latch;
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public Encoder(PipedInputStream rawData, PipedOutputStream encodedData,
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boolean mediaDebug, String peersHome,
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CountDownLatch latch) {
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this.rawData = rawData;
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this.encodedData = encodedData;
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this.mediaDebug = mediaDebug;
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this.peersHome = peersHome;
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this.latch = latch;
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isStopped = false;
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}
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public void run() {
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byte[] buffer;
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if (mediaDebug) {
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SimpleDateFormat simpleDateFormat =
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new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
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String date = simpleDateFormat.format(new Date());
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String dir = peersHome + File.separator
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+ AbstractSoundManager.MEDIA_DIR + File.separator;
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String fileName = dir + date + "_g711_encoder.output";
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try {
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encoderOutput = new FileOutputStream(fileName);
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fileName = dir + date + "_g711_encoder.input";
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encoderInput = new FileOutputStream(fileName);
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} catch (FileNotFoundException e) {
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Logger.error("cannot create file", e);
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return;
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}
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}
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int ready;
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while (!isStopped) {
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try {
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ready = rawData.available();
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while (ready == 0 && !isStopped) {
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try {
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Thread.sleep(2);
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ready = rawData.available();
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} catch (InterruptedException e) {
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Logger.error("interrupt exception", e);
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}
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}
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if (isStopped) {
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break;
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}
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buffer = new byte[ready];
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rawData.read(buffer);
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if (mediaDebug) {
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try {
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encoderInput.write(buffer);
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} catch (IOException e) {
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Logger.error("cannot write to file", e);
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}
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}
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} catch (IOException e) {
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Logger.error("input/output error", e);
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return;
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}
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byte[] ulawData = process(buffer);
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if (mediaDebug) {
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try {
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encoderOutput.write(ulawData);
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} catch (IOException e) {
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Logger.error("cannot write to file", e);
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break;
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}
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}
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try {
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encodedData.write(ulawData);
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encodedData.flush();
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} catch (IOException e) {
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Logger.error("input/output error", e);
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return;
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}
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}
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if (mediaDebug) {
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try {
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encoderOutput.close();
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encoderInput.close();
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} catch (IOException e) {
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Logger.error("cannot close file", e);
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return;
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}
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}
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latch.countDown();
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if (latch.getCount() != 0) {
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try {
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latch.await();
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} catch (InterruptedException e) {
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Logger.error("interrupt exception", e);
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}
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}
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}
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public synchronized void setStopped(boolean isStopped) {
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this.isStopped = isStopped;
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}
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public abstract byte[] process(byte[] media);
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}
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