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/**
* Copyright (C) 2022 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 com.android.telephony.imsmedia;
import android.os.Handler;
import android.os.Parcel;
import android.telephony.CallQuality;
import android.telephony.ims.RtpHeaderExtension;
import android.telephony.imsmedia.AudioConfig;
import android.telephony.imsmedia.MediaQualityStatus;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* Audio listener to process JNI messages from local AP based RTP stack
*/
public class AudioListener implements JNIImsMediaListener {
private static final String TAG = "AudioListener";
final private Handler mHandler;
private ImsMediaController.OpenSessionCallback mCallback;
private long mNativeObject;
AudioListener(final Handler handler) {
Log.d(TAG, "AudioListener() -" + AudioListener.this);
mHandler = handler;
}
/**
* Sets callback to call ImsMediaController to handle responses when
* openSession method called in @AudioService
*
* @param callback A Callback of @ImsMediaController#OpenSessionCallback
*/
public void setMediaCallback(final ImsMediaController.OpenSessionCallback callback) {
mCallback = callback;
}
/**
* Sets native object to identify the instance of @BaseManager
*
* @param object the native instance of AudioManager
*/
public void setNativeObject(final long object) {
mNativeObject = object;
}
/**
* Processes parcel messages from native code and posts messages to {@link AudioSession}
*
* @param parcel A parcel from native @AudioManager in libimsmedia library
*/
@Override
public void onMessage(final Parcel parcel) {
final int event = parcel.readInt();
Log.d(TAG, "onMessage() -" + AudioListener.this + ", event=" + event);
switch (event) {
case AudioSession.EVENT_OPEN_SESSION_SUCCESS:
final int sessionId = parcel.readInt();
mCallback.onOpenSessionSuccess(sessionId,
new AudioLocalSession(sessionId, mNativeObject));
break;
case AudioSession.EVENT_OPEN_SESSION_FAILURE:
mCallback.onOpenSessionFailure(parcel.readInt(),
parcel.readInt());
break;
case AudioSession.EVENT_MODIFY_SESSION_RESPONSE:
case AudioSession.EVENT_ADD_CONFIG_RESPONSE:
case AudioSession.EVENT_CONFIRM_CONFIG_RESPONSE:
{
final int result = parcel.readInt();
final AudioConfig config = AudioConfig.CREATOR.createFromParcel(parcel);
Utils.sendMessage(mHandler, event, result, Utils.UNUSED, config);
}
break;
case AudioSession.EVENT_FIRST_MEDIA_PACKET_IND:
{
final AudioConfig config = AudioConfig.CREATOR.createFromParcel(parcel);
Utils.sendMessage(mHandler, event, config);
}
break;
case AudioSession.EVENT_RTP_HEADER_EXTENSION_IND:
{
final List<RtpHeaderExtension> extensions = new ArrayList<RtpHeaderExtension>();
final int listSize = parcel.readInt();
for (int i = 0; i < listSize; i++) {
extensions.add(RtpHeaderExtension.CREATOR.createFromParcel(parcel));
}
Utils.sendMessage(mHandler, event, extensions);
}
break;
case AudioSession.EVENT_MEDIA_QUALITY_STATUS_IND:
{
final MediaQualityStatus status =
MediaQualityStatus.CREATOR.createFromParcel(parcel);
Utils.sendMessage(mHandler, event, status);
}
break;
case AudioSession.EVENT_TRIGGER_ANBR_QUERY_IND:
final AudioConfig configAnbr = AudioConfig.CREATOR.createFromParcel(parcel);
Utils.sendMessage(mHandler, event, configAnbr);
break;
case AudioSession.EVENT_DTMF_RECEIVED_IND:
final char dtmfDigit = (char) parcel.readByte();
final int durationMs = parcel.readInt();
Utils.sendMessage(mHandler, event, dtmfDigit, durationMs);
break;
case AudioSession.EVENT_CALL_QUALITY_CHANGE_IND:
Utils.sendMessage(mHandler, event, CallQuality.CREATOR.createFromParcel(parcel));
break;
case AudioSession.EVENT_SESSION_CLOSED:
mCallback.onSessionClosed(parcel.readInt());
break;
default:
break;
}
}
}
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