273 lines
11 KiB
Java
273 lines
11 KiB
Java
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import static android.media.MediaFormat.KEY_AAC_DRC_EFFECT_TYPE;
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import static android.media.MediaFormat.KEY_AAC_DRC_HEAVY_COMPRESSION;
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import static android.media.MediaFormat.KEY_AAC_DRC_TARGET_REFERENCE_LEVEL;
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import android.annotation.CallbackExecutor;
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import android.media.LoudnessCodecController.OnLoudnessCodecUpdateListener;
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import android.os.Bundle;
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import android.os.PersistableBundle;
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import android.os.RemoteException;
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import android.util.Log;
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import androidx.annotation.GuardedBy;
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import androidx.annotation.NonNull;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map.Entry;
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import java.util.Objects;
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import java.util.Set;
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import java.util.concurrent.Executor;
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/**
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* Class used to handle the loudness related communication with the audio service.
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*
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* @hide
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*/
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public class LoudnessCodecDispatcher implements CallbackUtil.DispatcherStub {
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private static final String TAG = "LoudnessCodecDispatcher";
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private static final boolean DEBUG = false;
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private static final class LoudnessCodecUpdatesDispatcherStub
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extends ILoudnessCodecUpdatesDispatcher.Stub {
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private static LoudnessCodecUpdatesDispatcherStub sLoudnessCodecStub;
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private final CallbackUtil.LazyListenerManager<OnLoudnessCodecUpdateListener>
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mLoudnessListenerMgr = new CallbackUtil.LazyListenerManager<>();
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private final Object mLock = new Object();
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@GuardedBy("mLock")
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private final HashMap<OnLoudnessCodecUpdateListener, LoudnessCodecController>
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mConfiguratorListener = new HashMap<>();
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public static synchronized LoudnessCodecUpdatesDispatcherStub getInstance() {
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if (sLoudnessCodecStub == null) {
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sLoudnessCodecStub = new LoudnessCodecUpdatesDispatcherStub();
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}
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return sLoudnessCodecStub;
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}
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private LoudnessCodecUpdatesDispatcherStub() {}
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@Override
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public void dispatchLoudnessCodecParameterChange(int sessionId, PersistableBundle params) {
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if (DEBUG) {
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Log.d(TAG, "dispatchLoudnessCodecParameterChange for sessionId " + sessionId
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+ " persistable bundle: " + params);
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}
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mLoudnessListenerMgr.callListeners(listener -> {
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synchronized (mLock) {
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mConfiguratorListener.computeIfPresent(listener, (l, lcConfig) -> {
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// send the appropriate bundle for the user to update
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if (lcConfig.getSessionId() == sessionId) {
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lcConfig.mediaCodecsConsume(mcEntry -> {
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final LoudnessCodecInfo codecInfo = mcEntry.getKey();
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final String infoKey = Integer.toString(codecInfo.hashCode());
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Bundle bundle = null;
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if (params.containsKey(infoKey)) {
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bundle = new Bundle(params.getPersistableBundle(infoKey));
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}
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final Set<MediaCodec> mediaCodecs = mcEntry.getValue();
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for (MediaCodec mediaCodec : mediaCodecs) {
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final String mediaCodecKey = Integer.toString(
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mediaCodec.hashCode());
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if (bundle == null && !params.containsKey(mediaCodecKey)) {
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continue;
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}
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boolean canBreak = false;
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if (bundle == null) {
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// key was set by media codec hash to update single codec
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bundle = new Bundle(
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params.getPersistableBundle(mediaCodecKey));
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canBreak = true;
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}
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bundle =
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LoudnessCodecUpdatesDispatcherStub.filterLoudnessParams(
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l.onLoudnessCodecUpdate(mediaCodec,
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bundle));
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if (!bundle.isDefinitelyEmpty()) {
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try {
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mediaCodec.setParameters(bundle);
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} catch (IllegalStateException e) {
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Log.w(TAG, "Cannot set loudness bundle on media codec "
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+ mediaCodec);
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}
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}
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if (canBreak) {
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break;
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}
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}
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});
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}
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return lcConfig;
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});
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}
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});
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}
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private static Bundle filterLoudnessParams(Bundle bundle) {
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Bundle filteredBundle = new Bundle();
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if (bundle.containsKey(KEY_AAC_DRC_TARGET_REFERENCE_LEVEL)) {
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filteredBundle.putInt(KEY_AAC_DRC_TARGET_REFERENCE_LEVEL,
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bundle.getInt(KEY_AAC_DRC_TARGET_REFERENCE_LEVEL));
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}
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if (bundle.containsKey(KEY_AAC_DRC_HEAVY_COMPRESSION)) {
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filteredBundle.putInt(KEY_AAC_DRC_HEAVY_COMPRESSION,
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bundle.getInt(KEY_AAC_DRC_HEAVY_COMPRESSION));
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}
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if (bundle.containsKey(KEY_AAC_DRC_EFFECT_TYPE)) {
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filteredBundle.putInt(KEY_AAC_DRC_EFFECT_TYPE,
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bundle.getInt(KEY_AAC_DRC_EFFECT_TYPE));
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}
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return filteredBundle;
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}
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void addLoudnessCodecListener(@NonNull CallbackUtil.DispatcherStub dispatcher,
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@NonNull LoudnessCodecController configurator,
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@NonNull @CallbackExecutor Executor executor,
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@NonNull OnLoudnessCodecUpdateListener listener) {
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Objects.requireNonNull(configurator);
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Objects.requireNonNull(executor);
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Objects.requireNonNull(listener);
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mLoudnessListenerMgr.addListener(
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executor, listener, "addLoudnessCodecListener",
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() -> dispatcher);
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synchronized (mLock) {
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mConfiguratorListener.put(listener, configurator);
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}
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}
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void removeLoudnessCodecListener(@NonNull LoudnessCodecController configurator) {
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Objects.requireNonNull(configurator);
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OnLoudnessCodecUpdateListener listenerToRemove = null;
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synchronized (mLock) {
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Iterator<Entry<OnLoudnessCodecUpdateListener, LoudnessCodecController>> iterator =
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mConfiguratorListener.entrySet().iterator();
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while (iterator.hasNext()) {
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Entry<OnLoudnessCodecUpdateListener, LoudnessCodecController> e =
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iterator.next();
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if (e.getValue() == configurator) {
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final OnLoudnessCodecUpdateListener listener = e.getKey();
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iterator.remove();
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listenerToRemove = listener;
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break;
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}
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}
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}
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if (listenerToRemove != null) {
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mLoudnessListenerMgr.removeListener(listenerToRemove,
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"removeLoudnessCodecListener");
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}
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}
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}
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@NonNull private final IAudioService mAudioService;
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/** @hide */
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public LoudnessCodecDispatcher(@NonNull IAudioService audioService) {
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mAudioService = Objects.requireNonNull(audioService);
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}
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@Override
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public void register(boolean register) {
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try {
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if (register) {
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mAudioService.registerLoudnessCodecUpdatesDispatcher(
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LoudnessCodecUpdatesDispatcherStub.getInstance());
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} else {
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mAudioService.unregisterLoudnessCodecUpdatesDispatcher(
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LoudnessCodecUpdatesDispatcherStub.getInstance());
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}
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/** @hide */
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public void addLoudnessCodecListener(@NonNull LoudnessCodecController configurator,
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@NonNull @CallbackExecutor Executor executor,
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@NonNull OnLoudnessCodecUpdateListener listener) {
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LoudnessCodecUpdatesDispatcherStub.getInstance().addLoudnessCodecListener(this,
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configurator, executor, listener);
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}
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/** @hide */
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public void removeLoudnessCodecListener(@NonNull LoudnessCodecController configurator) {
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LoudnessCodecUpdatesDispatcherStub.getInstance().removeLoudnessCodecListener(configurator);
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}
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/** @hide */
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public void startLoudnessCodecUpdates(int sessionId) {
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try {
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mAudioService.startLoudnessCodecUpdates(sessionId);
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/** @hide */
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public void stopLoudnessCodecUpdates(int sessionId) {
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try {
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mAudioService.stopLoudnessCodecUpdates(sessionId);
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/** @hide */
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public void addLoudnessCodecInfo(int sessionId, int mediaCodecHash,
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@NonNull LoudnessCodecInfo mcInfo) {
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try {
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mAudioService.addLoudnessCodecInfo(sessionId, mediaCodecHash, mcInfo);
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/** @hide */
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public void removeLoudnessCodecInfo(int sessionId, @NonNull LoudnessCodecInfo mcInfo) {
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try {
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mAudioService.removeLoudnessCodecInfo(sessionId, mcInfo);
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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}
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/** @hide */
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public Bundle getLoudnessCodecParams(@NonNull LoudnessCodecInfo mcInfo) {
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Bundle loudnessParams = null;
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try {
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loudnessParams = new Bundle(mAudioService.getLoudnessParams(mcInfo));
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} catch (RemoteException e) {
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e.rethrowFromSystemServer();
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}
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return loudnessParams;
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}
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}
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