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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 android.telephony.imsmedia;
import android.os.Binder;
import android.os.IBinder;
import android.telephony.ims.RtpHeaderExtension;
import java.util.List;
import java.util.concurrent.Executor;
/**
* Video session callback APIs
*
* @hide
*/
public class VideoSessionCallback extends ImsMediaManager.SessionCallback {
private final CallbackBinder mCallbackBinder = new CallbackBinder(this);
/** @hide */
@Override
public IBinder getBinder() {
return mCallbackBinder;
}
/** @hide */
@Override
public void setExecutor(final Executor executor) {
mCallbackBinder.setExecutor(executor);
}
private static class CallbackBinder extends IImsVideoSessionCallback.Stub {
private final VideoSessionCallback mLocalCallback;
private Executor mExecutor;
CallbackBinder(final VideoSessionCallback localCallback) {
mLocalCallback = localCallback;
}
@Override
public void onOpenSessionSuccess(final IImsVideoSession session) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(()
-> mLocalCallback.onOpenSessionSuccess(new ImsVideoSession(session)));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onOpenSessionFailure(final int error) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onOpenSessionFailure(error));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onSessionClosed() {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onSessionClosed());
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onModifySessionResponse(final VideoConfig config,
final @ImsMediaSession.SessionOperationResult int result) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onModifySessionResponse(config, result));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onFirstMediaPacketReceived(final VideoConfig config) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onFirstMediaPacketReceived(config));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onPeerDimensionChanged(final int width, final int height) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onPeerDimensionChanged(width, height));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void onHeaderExtensionReceived(final List<RtpHeaderExtension> extensions) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.onHeaderExtensionReceived(extensions));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void notifyMediaInactivity(final int packetType) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.notifyMediaInactivity(packetType));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void notifyBitrate(final int bitrate) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.notifyBitrate(bitrate));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
@Override
public void notifyVideoDataUsage(final long bytes) {
if (mLocalCallback == null) return;
final long callingIdentity = Binder.clearCallingIdentity();
try {
mExecutor.execute(() -> mLocalCallback.notifyVideoDataUsage(bytes));
} finally {
restoreCallingIdentity(callingIdentity);
}
}
private void setExecutor(final Executor executor) {
mExecutor = executor;
}
}
/**
* Called when ImsMediaSession#modifySession() API is handled
*
* @param config The VideoConfig passed in ImsMediaSession#modifySession()
* @param result The result of modify session
*/
public void onModifySessionResponse(final VideoConfig config,
final @ImsMediaSession.SessionOperationResult int result) {
// Base Implementation
}
/**
* Indicates when the first Rtp media packet is received by the UE
* during ring back, call hold or early media scenarios. This is
* sent only if the packet is received on the active remote
* configuration.
*
* In case of early media scenarios, the implementation shall play
* the RTP packets from the most recently added config.
*
* @param config the remote config where media packet is received
*/
public void onFirstMediaPacketReceived(final VideoConfig config) {
// Base Implementation
}
/**
* Notify when the received video frame resolution is different with the current resolution.
* @param width width of resolution changed.
* @param height height of resolution changed.
*/
public void onPeerDimensionChanged(final int width, final int height) {
// Base Implementation
}
/**
* RTP header extension received from the other party
*
* @param extensions List of received RTP header extensions
*/
public void onHeaderExtensionReceived(final List<RtpHeaderExtension> extensions){
// Base Implementation
}
/**
* Notifies media inactivity observed as per thresholds set by
* setMediaQualityThreshold() API
*
* @param packetType either RTP or RTCP
*/
public void notifyMediaInactivity(final int packetType) {
// Base Implementation
}
/**
* Notifies when the video bitrate decreased below the threshold set by
* setMediaQualityThreshold() API
*
* @param bitrate The bitrate of sending video packets in bps unit
*/
public void notifyBitrate(final int bitrate) {
// Base Implementation
}
/**
* Notify accumulated video data usage in the current session.
* @param bytes bytes of send and received rtp data.
*/
public void notifyVideoDataUsage(final long bytes) {
// Base Implementation
}
}
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