/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.audio.loaders;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.asset.PrivilegedOpenStream;
import org.terasology.audio.StreamingSoundData;
import java.io.IOException;
import java.net.URL;
import java.nio.ByteBuffer;
import java.security.AccessController;
import java.security.PrivilegedActionException;
/**
*
*/
public class OggStreamingSoundData implements StreamingSoundData {
private static Logger logger = LoggerFactory.getLogger(OggStreamingSoundData.class);
private final URL url;
private OggReader reader;
public OggStreamingSoundData(URL url) throws IOException {
this.url = url;
try {
PrivilegedOpenStream action = new PrivilegedOpenStream(url);
reader = new OggReader(AccessController.doPrivileged(action));
} catch (PrivilegedActionException e) {
throw new IOException("Could not open stream at " + url, e);
}
}
@Override
public ByteBuffer readNextInto(ByteBuffer dataBuffer) {
try {
reader.read(dataBuffer, 0, dataBuffer.capacity());
dataBuffer.flip();
return dataBuffer;
} catch (IOException e) {
throw new RuntimeException("Error reading from sound stream at " + url, e);
}
}
@Override
public int getChannels() {
return reader.getChannels();
}
@Override
public int getBufferBits() {
return 16;
}
@Override
public int getSamplingRate() {
return reader.getRate();
}
@Override
public void reset() {
if (reader != null) {
dispose();
}
try {
PrivilegedOpenStream action = new PrivilegedOpenStream(url);
reader = new OggReader(AccessController.doPrivileged(action));
} catch (PrivilegedActionException e) {
throw new RuntimeException("Failed to reset ogg stream from " + url, e);
}
}
@Override
public void dispose() {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
logger.error("Failed to close ogg streaming from {}", url, e);
}
reader = null;
}
}
}