[LeAudio] Add LocalBluetoothLeBroadcast and LocalBluetoothLeBroadcastAssistant (f99fb3fa) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java

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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.settingslib.bluetooth;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothLeAudioContentMetadata;
		import android.bluetooth.BluetoothLeBroadcast;
		import android.bluetooth.BluetoothLeBroadcastMetadata;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothProfile.ServiceListener;
		import android.content.Context;
		import android.util.Log;

		/**
		* LocalBluetoothLeBroadcast provides an interface between the Settings app
		* and the functionality of the local {@link BluetoothLeBroadcast}.
		*/
		public class LocalBluetoothLeBroadcast implements BluetoothLeBroadcast.Callback {

		private static final String TAG = "LocalBluetoothLeBroadcast";
		private static final int UNKNOWN_VALUE_PLACEHOLDER = -1;
		private static final boolean DEBUG = BluetoothUtils.D;

		private BluetoothLeBroadcast mBluetoothLeBroadcast;
		private LocalBluetoothProfileManager mProfileManager;
		private BluetoothLeAudioContentMetadata mBluetoothLeAudioContentMetadata;
		private BluetoothLeBroadcastMetadata mBluetoothLeBroadcastMetadata;
		private BluetoothLeAudioContentMetadata.Builder mBuilder;
		private int mBroadcastId = UNKNOWN_VALUE_PLACEHOLDER;
		private boolean mIsProfileReady;

		private final ServiceListener mServiceListener = new ServiceListener() {
		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		if (profile == BluetoothProfile.LE_AUDIO_BROADCAST) {
		if (DEBUG) {
		Log.d(TAG,"Bluetooth service connected");
		}
		mBluetoothLeBroadcast = (BluetoothLeBroadcast) proxy;
		mProfileManager.callServiceConnectedListeners();
		mIsProfileReady = true;
		}
		}

		@Override
		public void onServiceDisconnected(int profile) {
		if (profile == BluetoothProfile.LE_AUDIO_BROADCAST) {
		if (DEBUG) {
		Log.d(TAG,"Bluetooth service disconnected");
		}
		mIsProfileReady = false;
		}
		}
		};

		LocalBluetoothLeBroadcast(Context context, LocalBluetoothProfileManager profileManager) {
		mProfileManager = profileManager;
		BluetoothAdapter.getDefaultAdapter().
		getProfileProxy(context, mServiceListener, BluetoothProfile.LE_AUDIO_BROADCAST);
		mBuilder = new BluetoothLeAudioContentMetadata.Builder();
		}

		public void startBroadcast(byte[] broadcastCode, String language,
		String programInfo) {
		if (DEBUG) {
		if (mBluetoothLeBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when starting the broadcast.");
		return;
		}
		Log.d(TAG, "startBroadcast: language = " + language + " ,programInfo = " + programInfo);
		}
		buildContentMetadata(language, programInfo);
		mBluetoothLeBroadcast.startBroadcast(mBluetoothLeAudioContentMetadata, broadcastCode);
		}

		public void stopBroadcast() {
		if (DEBUG) {
		if (mBluetoothLeBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when stopping the broadcast.");
		return;
		}
		Log.d(TAG, "stopBroadcast()");
		}
		mBluetoothLeBroadcast.stopBroadcast(mBroadcastId);
		}

		public void updateBroadcast(String language, String programInfo) {
		if (DEBUG) {
		if (mBluetoothLeBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when updating the broadcast.");
		return;
		}
		Log.d(TAG,
		"updateBroadcast: language = " + language + " ,programInfo = " + programInfo);
		}
		mBluetoothLeAudioContentMetadata = mBuilder.setProgramInfo(programInfo).build();
		mBluetoothLeBroadcast.updateBroadcast(mBroadcastId, mBluetoothLeAudioContentMetadata);
		}

		private void buildContentMetadata(String language, String programInfo) {
		mBluetoothLeAudioContentMetadata = mBuilder.setLanguage(language).setProgramInfo(
		programInfo).build();
		}

		public LocalBluetoothLeBroadcastMetadata getLocalBluetoothLeBroadcastMetaData() {
		return new LocalBluetoothLeBroadcastMetadata(mBluetoothLeBroadcastMetadata);
		}

		@Override
		public void onBroadcastStarted(int reason, int broadcastId) {
		if (DEBUG) {
		Log.d(TAG,
		"onBroadcastStarted(), reason = " + reason + ", broadcastId = " + broadcastId);
		}
		}

		@Override
		public void onBroadcastStartFailed(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onBroadcastStartFailed(), reason = " + reason);
		}
		}

		@Override
		public void onBroadcastMetadataChanged(int broadcastId,
		@NonNull BluetoothLeBroadcastMetadata metadata) {
		if (DEBUG) {
		Log.d(TAG, "onBroadcastMetadataChanged(), broadcastId = " + broadcastId);
		}
		mBluetoothLeBroadcastMetadata = metadata;
		}

		@Override
		public void onBroadcastStopped(int reason, int broadcastId) {
		if (DEBUG) {
		Log.d(TAG,
		"onBroadcastStopped(), reason = " + reason + ", broadcastId = " + broadcastId);
		}
		}

		@Override
		public void onBroadcastStopFailed(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onBroadcastStopFailed(), reason = " + reason);
		}
		}

		@Override
		public void onBroadcastUpdated(int reason, int broadcastId) {
		if (DEBUG) {
		Log.d(TAG,
		"onBroadcastUpdated(), reason = " + reason + ", broadcastId = " + broadcastId);
		}
		}

		@Override
		public void onBroadcastUpdateFailed(int reason, int broadcastId) {
		if (DEBUG) {
		Log.d(TAG,
		"onBroadcastUpdateFailed(), reason = " + reason + ", broadcastId = "
		+ broadcastId);
		}
		}

		@Override
		public void onPlaybackStarted(int reason, int broadcastId) {
		}

		@Override
		public void onPlaybackStopped(int reason, int broadcastId) {
		}

		public boolean isProfileReady() {
		return mIsProfileReady;
		}
		}

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcastAssistant.java

0 → 100644

+214 −0

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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.settingslib.bluetooth;

		import android.annotation.NonNull;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothLeBroadcast;
		import android.bluetooth.BluetoothLeBroadcastAssistant;
		import android.bluetooth.BluetoothLeBroadcastMetadata;
		import android.bluetooth.BluetoothLeBroadcastReceiveState;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothProfile.ServiceListener;
		import android.content.Context;
		import android.util.Log;

		import java.util.List;

		/**
		* LocalBluetoothLeBroadcastAssistant provides an interface between the Settings app
		* and the functionality of the local {@link BluetoothLeBroadcastAssistant}.
		*/
		public class LocalBluetoothLeBroadcastAssistant implements
		BluetoothLeBroadcastAssistant.Callback {

		private static final String TAG = "LocalBluetoothLeBroadcastAssistant";
		private static final int UNKNOWN_VALUE_PLACEHOLDER = -1;
		private static final boolean DEBUG = BluetoothUtils.D;

		private LocalBluetoothProfileManager mProfileManager;
		private BluetoothLeBroadcastAssistant mBluetoothLeBroadcastAssistant;
		private BluetoothLeBroadcastMetadata mBluetoothLeBroadcastMetadata;
		private BluetoothLeBroadcastMetadata.Builder mBuilder;
		private boolean mIsProfileReady;

		private final ServiceListener mServiceListener = new ServiceListener() {
		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		if (profile == BluetoothProfile.LE_AUDIO_BROADCAST) {
		if (DEBUG) {
		Log.d(TAG,"Bluetooth service connected");
		}
		mBluetoothLeBroadcastAssistant = (BluetoothLeBroadcastAssistant) proxy;
		mProfileManager.callServiceConnectedListeners();
		mIsProfileReady = true;
		}
		}

		@Override
		public void onServiceDisconnected(int profile) {
		if (profile == BluetoothProfile.LE_AUDIO_BROADCAST) {
		if (DEBUG) {
		Log.d(TAG,"Bluetooth service disconnected");
		}
		mIsProfileReady = false;
		}
		}
		};

		LocalBluetoothLeBroadcastAssistant(Context context,
		LocalBluetoothProfileManager profileManager) {
		mProfileManager = profileManager;
		BluetoothAdapter.getDefaultAdapter().
		getProfileProxy(context, mServiceListener,
		BluetoothProfile.LE_AUDIO_BROADCAST_ASSISTANT);
		mBuilder = new BluetoothLeBroadcastMetadata.Builder();
		}

		public void addSource(@NonNull BluetoothDevice sink, int sourceAddressType,
		int presentationDelayMicros, int sourceAdvertisingSid, int broadcastId,
		int paSyncInterval, boolean isEncrypted, byte[] broadcastCode,
		BluetoothDevice sourceDevice, boolean isGroupOp) {
		if (DEBUG) {
		Log.d(TAG, "addSource()");
		}
		if (mBluetoothLeBroadcastAssistant == null) {
		Log.d(TAG, "The BluetoothLeBroadcastAssistant is null");
		return ;
		}
		buildMetadata(sourceAddressType, presentationDelayMicros, sourceAdvertisingSid, broadcastId,
		paSyncInterval, isEncrypted, broadcastCode, sourceDevice);
		mBluetoothLeBroadcastAssistant.addSource(sink, mBluetoothLeBroadcastMetadata, isGroupOp);
		}

		private void buildMetadata(int sourceAddressType, int presentationDelayMicros,
		int sourceAdvertisingSid, int broadcastId, int paSyncInterval, boolean isEncrypted,
		byte[] broadcastCode, BluetoothDevice sourceDevice) {
		mBluetoothLeBroadcastMetadata =
		mBuilder.setSourceDevice(sourceDevice, sourceAddressType)
		.setSourceAdvertisingSid(sourceAdvertisingSid)
		.setBroadcastId(broadcastId)
		.setPaSyncInterval(paSyncInterval)
		.setEncrypted(isEncrypted)
		.setBroadcastCode(broadcastCode)
		.setPresentationDelayMicros(presentationDelayMicros)
		.build();
		}

		public void removeSource(@NonNull BluetoothDevice sink, int sourceId) {
		if (DEBUG) {
		Log.d(TAG, "removeSource()");
		}
		if (mBluetoothLeBroadcastAssistant == null) {
		Log.d(TAG, "The BluetoothLeBroadcastAssistant is null");
		return ;
		}
		mBluetoothLeBroadcastAssistant.removeSource(sink, sourceId);
		}

		public void startSearchingForSources(@NonNull List<android.bluetooth.le.ScanFilter> filters) {
		if (DEBUG) {
		Log.d(TAG, "startSearchingForSources()");
		}
		if (mBluetoothLeBroadcastAssistant == null) {
		Log.d(TAG, "The BluetoothLeBroadcastAssistant is null");
		return ;
		}
		mBluetoothLeBroadcastAssistant.startSearchingForSources(filters);
		}

		@Override
		public void onSourceAdded(@NonNull BluetoothDevice sink, int sourceId, int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceAdded(), reason = " + reason + " , sourceId = " + sourceId);
		}

		}

		@Override
		public void onSourceAddFailed(@NonNull BluetoothDevice sink,
		@NonNull BluetoothLeBroadcastMetadata source, int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceAddFailed(), reason = " + reason);
		}
		}

		@Override
		public void onSourceRemoved(@NonNull BluetoothDevice sink, int sourceId, int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceRemoved(), reason = " + reason + " , sourceId = " + sourceId);
		}
		}

		@Override
		public void onSourceRemoveFailed(@NonNull BluetoothDevice sink, int sourceId, int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSourceRemoveFailed(), reason = " + reason + " , sourceId = " + sourceId);
		}
		}

		@Override
		public void onSearchStarted(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSearchStarted(), reason = " + reason);
		}
		}

		@Override
		public void onSearchStartFailed(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSearchStartFailed(), reason = " + reason);
		}
		}

		@Override
		public void onSearchStopped(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSearchStopped(), reason = " + reason);
		}
		}

		@Override
		public void onSearchStopFailed(int reason) {
		if (DEBUG) {
		Log.d(TAG, "onSearchStopFailed(), reason = " + reason);
		}
		}

		@Override
		public void onSourceFound(@NonNull BluetoothLeBroadcastMetadata source) {
		}

		@Override
		public void onSourceModified(@NonNull BluetoothDevice sink, int sourceId, int reason) {
		}

		@Override
		public void onSourceModifyFailed(@NonNull BluetoothDevice sink, int sourceId, int reason) {
		}

		@Override
		public void onReceiveStateChanged(@NonNull BluetoothDevice sink, int sourceId,
		@NonNull BluetoothLeBroadcastReceiveState state) {
		}

		public boolean isProfileReady() {
		return mIsProfileReady;
		}

		}