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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 android.net.rtp;
import java.util.HashMap;
import java.util.Map;
/**
*/
/** @hide */
public class AudioGroup {
public static final int MODE_ON_HOLD = 0;
public static final int MODE_MUTED = 1;
public static final int MODE_NORMAL = 2;
public static final int MODE_EC_ENABLED = 3;
private final Map<AudioStream, Integer> mStreams;
private int mMode = MODE_ON_HOLD;
private int mNative;
static {
System.loadLibrary("rtp_jni");
}
public AudioGroup() {
mStreams = new HashMap<AudioStream, Integer>();
}
public int getMode() {
return mMode;
}
public synchronized native void setMode(int mode);
synchronized void add(AudioStream stream, AudioCodec codec, int codecType, int dtmfType) {
if (!mStreams.containsKey(stream)) {
try {
int id = add(stream.getMode(), stream.dup(),
stream.getRemoteAddress().getHostAddress(), stream.getRemotePort(),
codec.name, codec.sampleRate, codec.sampleCount, codecType, dtmfType);
mStreams.put(stream, id);
} catch (NullPointerException e) {
throw new IllegalStateException(e);
}
}
}
private native int add(int mode, int socket, String remoteAddress, int remotePort,
String codecName, int sampleRate, int sampleCount, int codecType, int dtmfType);
synchronized void remove(AudioStream stream) {
Integer id = mStreams.remove(stream);
if (id != null) {
remove(id);
}
}
private native void remove(int id);
/**
* Sends a DTMF digit to every {@link AudioStream} in this group. Currently
* only event {@code 0} to {@code 15} are supported.
*
* @throws IllegalArgumentException if the event is invalid.
*/
public native synchronized void sendDtmf(int event);
public synchronized void reset() {
remove(-1);
}
@Override
protected void finalize() throws Throwable {
reset();
super.finalize();
}
}
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