| /* |
| * Copyright 2020 HIMSA II K/S - www.himsa.com. |
| * Represented by EHIMA - www.ehima.com |
| * |
| * 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.bluetooth.le_audio; |
| |
| import static android.Manifest.permission.BLUETOOTH_CONNECT; |
| import static android.bluetooth.IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID; |
| |
| import static com.android.bluetooth.Utils.enforceBluetoothPrivilegedPermission; |
| |
| import android.annotation.RequiresPermission; |
| import android.annotation.SuppressLint; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothLeAudio; |
| import android.bluetooth.BluetoothLeAudioCodecConfig; |
| import android.bluetooth.BluetoothLeAudioCodecStatus; |
| import android.bluetooth.BluetoothLeAudioContentMetadata; |
| import android.bluetooth.BluetoothLeBroadcastMetadata; |
| import android.bluetooth.BluetoothProfile; |
| import android.bluetooth.BluetoothStatusCodes; |
| import android.bluetooth.BluetoothUuid; |
| import android.bluetooth.IBluetoothLeAudio; |
| import android.bluetooth.IBluetoothLeAudioCallback; |
| import android.bluetooth.IBluetoothLeBroadcastCallback; |
| import android.content.AttributionSource; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.media.AudioManager; |
| import android.media.BluetoothProfileConnectionInfo; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.Looper; |
| import android.os.ParcelUuid; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import com.android.bluetooth.Utils; |
| import com.android.bluetooth.btservice.AdapterService; |
| import com.android.bluetooth.btservice.ProfileService; |
| import com.android.bluetooth.btservice.ServiceFactory; |
| import com.android.bluetooth.btservice.storage.DatabaseManager; |
| import com.android.bluetooth.mcp.McpService; |
| import com.android.bluetooth.vc.VolumeControlService; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.modules.utils.SynchronousResultReceiver; |
| |
| import java.math.BigInteger; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Provides Bluetooth LeAudio profile, as a service in the Bluetooth application. |
| * @hide |
| */ |
| public class LeAudioService extends ProfileService { |
| private static final boolean DBG = true; |
| private static final String TAG = "LeAudioService"; |
| |
| // Timeout for state machine thread join, to prevent potential ANR. |
| private static final int SM_THREAD_JOIN_TIMEOUT_MS = 1000; |
| |
| // Upper limit of all LeAudio devices: Bonded or Connected |
| private static final int MAX_LE_AUDIO_STATE_MACHINES = 10; |
| private static LeAudioService sLeAudioService; |
| |
| /** |
| * Indicates group audio support for input direction |
| */ |
| private static final int AUDIO_DIRECTION_INPUT_BIT = 0x01; |
| |
| /** |
| * Indicates group audio support for output direction |
| */ |
| private static final int AUDIO_DIRECTION_OUTPUT_BIT = 0x02; |
| |
| /* |
| * Indicates no active contexts |
| */ |
| private static final int ACTIVE_CONTEXTS_NONE = 0; |
| |
| /* |
| * Brodcast profile used by the lower layers |
| */ |
| private static final int BROADCAST_PROFILE_SONIFICATION = 0; |
| private static final int BROADCAST_PROFILE_MEDIA = 1; |
| |
| private AdapterService mAdapterService; |
| private DatabaseManager mDatabaseManager; |
| private HandlerThread mStateMachinesThread; |
| private BluetoothDevice mActiveAudioOutDevice; |
| private BluetoothDevice mActiveAudioInDevice; |
| private LeAudioCodecConfig mLeAudioCodecConfig; |
| ServiceFactory mServiceFactory = new ServiceFactory(); |
| |
| LeAudioNativeInterface mLeAudioNativeInterface; |
| LeAudioBroadcasterNativeInterface mLeAudioBroadcasterNativeInterface = null; |
| @VisibleForTesting |
| AudioManager mAudioManager; |
| |
| @VisibleForTesting |
| RemoteCallbackList<IBluetoothLeBroadcastCallback> mBroadcastCallbacks; |
| |
| @VisibleForTesting |
| RemoteCallbackList<IBluetoothLeAudioCallback> mLeAudioCallbacks; |
| |
| private class LeAudioGroupDescriptor { |
| LeAudioGroupDescriptor() { |
| mIsConnected = false; |
| mIsActive = false; |
| mActiveContexts = ACTIVE_CONTEXTS_NONE; |
| mCodecStatus = null; |
| } |
| |
| public Boolean mIsConnected; |
| public Boolean mIsActive; |
| public Integer mActiveContexts; |
| public BluetoothLeAudioCodecStatus mCodecStatus; |
| } |
| |
| private final Map<Integer, LeAudioGroupDescriptor> mGroupDescriptors = new LinkedHashMap<>(); |
| private final Map<BluetoothDevice, LeAudioStateMachine> mStateMachines = new LinkedHashMap<>(); |
| |
| private final Map<BluetoothDevice, Integer> mDeviceGroupIdMap = new ConcurrentHashMap<>(); |
| private final Map<BluetoothDevice, Integer> mDeviceAudioLocationMap = new ConcurrentHashMap<>(); |
| |
| private final int mContextSupportingInputAudio = |
| BluetoothLeAudio.CONTEXT_TYPE_COMMUNICATION | |
| BluetoothLeAudio.CONTEXT_TYPE_MAN_MACHINE; |
| |
| private final int mContextSupportingOutputAudio = BluetoothLeAudio.CONTEXT_TYPE_COMMUNICATION | |
| BluetoothLeAudio.CONTEXT_TYPE_MEDIA | |
| BluetoothLeAudio.CONTEXT_TYPE_INSTRUCTIONAL | |
| BluetoothLeAudio.CONTEXT_TYPE_ATTENTION_SEEKING | |
| BluetoothLeAudio.CONTEXT_TYPE_IMMEDIATE_ALERT | |
| BluetoothLeAudio.CONTEXT_TYPE_MAN_MACHINE | |
| BluetoothLeAudio.CONTEXT_TYPE_EMERGENCY_ALERT | |
| BluetoothLeAudio.CONTEXT_TYPE_RINGTONE | |
| BluetoothLeAudio.CONTEXT_TYPE_TV | |
| BluetoothLeAudio.CONTEXT_TYPE_LIVE | |
| BluetoothLeAudio.CONTEXT_TYPE_GAME; |
| |
| private BroadcastReceiver mBondStateChangedReceiver; |
| private BroadcastReceiver mConnectionStateChangedReceiver; |
| private Handler mHandler = new Handler(Looper.getMainLooper()); |
| |
| private final Map<Integer, Integer> mBroadcastStateMap = new HashMap<>(); |
| final Map<Integer, Integer> mBroadcastIdMap = new HashMap<>(); |
| private final Map<Integer, Boolean> mBroadcastsPlaybackMap = new HashMap<>(); |
| private final List<BluetoothLeBroadcastMetadata> mBroadcastMetadataList = new ArrayList<>(); |
| |
| @Override |
| protected IProfileServiceBinder initBinder() { |
| return new BluetoothLeAudioBinder(this); |
| } |
| |
| @Override |
| protected void create() { |
| Log.i(TAG, "create()"); |
| } |
| |
| @Override |
| protected boolean start() { |
| Log.i(TAG, "start()"); |
| if (sLeAudioService != null) { |
| throw new IllegalStateException("start() called twice"); |
| } |
| |
| mAdapterService = Objects.requireNonNull(AdapterService.getAdapterService(), |
| "AdapterService cannot be null when LeAudioService starts"); |
| mLeAudioNativeInterface = Objects.requireNonNull(LeAudioNativeInterface.getInstance(), |
| "LeAudioNativeInterface cannot be null when LeAudioService starts"); |
| mDatabaseManager = Objects.requireNonNull(mAdapterService.getDatabase(), |
| "DatabaseManager cannot be null when LeAudioService starts"); |
| |
| mAudioManager = getSystemService(AudioManager.class); |
| Objects.requireNonNull(mAudioManager, |
| "AudioManager cannot be null when LeAudioService starts"); |
| |
| // Start handler thread for state machines |
| mStateMachines.clear(); |
| mStateMachinesThread = new HandlerThread("LeAudioService.StateMachines"); |
| mStateMachinesThread.start(); |
| |
| mDeviceGroupIdMap.clear(); |
| mDeviceAudioLocationMap.clear(); |
| mBroadcastStateMap.clear(); |
| mBroadcastIdMap.clear(); |
| mBroadcastMetadataList.clear(); |
| mBroadcastsPlaybackMap.clear(); |
| |
| mGroupDescriptors.clear(); |
| |
| // Setup broadcast receivers |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); |
| mBondStateChangedReceiver = new BondStateChangedReceiver(); |
| registerReceiver(mBondStateChangedReceiver, filter); |
| filter = new IntentFilter(); |
| filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED); |
| mConnectionStateChangedReceiver = new ConnectionStateChangedReceiver(); |
| registerReceiver(mConnectionStateChangedReceiver, filter); |
| mLeAudioCallbacks = new RemoteCallbackList<IBluetoothLeAudioCallback>(); |
| |
| // Initialize Broadcast native interface |
| if (mAdapterService.isLeAudioBroadcastSourceSupported()) { |
| mBroadcastCallbacks = new RemoteCallbackList<IBluetoothLeBroadcastCallback>(); |
| mLeAudioBroadcasterNativeInterface = Objects.requireNonNull( |
| LeAudioBroadcasterNativeInterface.getInstance(), |
| "LeAudioBroadcasterNativeInterface cannot be null when LeAudioService starts"); |
| mLeAudioBroadcasterNativeInterface.init(); |
| } else { |
| Log.w(TAG, "Le Audio Broadcasts not supported."); |
| } |
| // Mark service as started |
| setLeAudioService(this); |
| |
| // Setup codec config |
| mLeAudioCodecConfig = new LeAudioCodecConfig(this); |
| |
| // Delay the call to init by posting it. This ensures TBS and MCS are fully initialized |
| // before we start accepting connections |
| mHandler.post(() -> |
| mLeAudioNativeInterface.init(mLeAudioCodecConfig.getCodecConfigOffloading())); |
| |
| return true; |
| } |
| |
| @Override |
| protected boolean stop() { |
| Log.i(TAG, "stop()"); |
| if (sLeAudioService == null) { |
| Log.w(TAG, "stop() called before start()"); |
| return true; |
| } |
| |
| setActiveDevice(null); |
| //Don't wait for async call with INACTIVE group status, clean active |
| //device for active group. |
| for (Map.Entry<Integer, LeAudioGroupDescriptor> entry : mGroupDescriptors.entrySet()) { |
| LeAudioGroupDescriptor descriptor = entry.getValue(); |
| Integer group_id = entry.getKey(); |
| if (descriptor.mIsActive) { |
| descriptor.mIsActive = false; |
| updateActiveDevices(group_id, descriptor.mActiveContexts, |
| ACTIVE_CONTEXTS_NONE, descriptor.mIsActive); |
| break; |
| } |
| } |
| |
| // Cleanup native interfaces |
| mLeAudioNativeInterface.cleanup(); |
| mLeAudioNativeInterface = null; |
| |
| // Set the service and BLE devices as inactive |
| setLeAudioService(null); |
| |
| // Unregister broadcast receivers |
| unregisterReceiver(mBondStateChangedReceiver); |
| mBondStateChangedReceiver = null; |
| unregisterReceiver(mConnectionStateChangedReceiver); |
| mConnectionStateChangedReceiver = null; |
| |
| // Destroy state machines and stop handler thread |
| synchronized (mStateMachines) { |
| for (LeAudioStateMachine sm : mStateMachines.values()) { |
| sm.doQuit(); |
| sm.cleanup(); |
| } |
| mStateMachines.clear(); |
| } |
| |
| mDeviceGroupIdMap.clear(); |
| mDeviceAudioLocationMap.clear(); |
| mGroupDescriptors.clear(); |
| |
| if (mBroadcastCallbacks != null) { |
| mBroadcastCallbacks.kill(); |
| } |
| |
| if (mLeAudioCallbacks != null) { |
| mLeAudioCallbacks.kill(); |
| } |
| |
| mBroadcastStateMap.clear(); |
| mBroadcastIdMap.clear(); |
| mBroadcastsPlaybackMap.clear(); |
| mBroadcastMetadataList.clear(); |
| |
| if (mLeAudioBroadcasterNativeInterface != null) { |
| mLeAudioBroadcasterNativeInterface.cleanup(); |
| mLeAudioBroadcasterNativeInterface = null; |
| } |
| |
| if (mStateMachinesThread != null) { |
| try { |
| mStateMachinesThread.quitSafely(); |
| mStateMachinesThread.join(SM_THREAD_JOIN_TIMEOUT_MS); |
| mStateMachinesThread = null; |
| } catch (InterruptedException e) { |
| // Do not rethrow as we are shutting down anyway |
| } |
| } |
| |
| mAudioManager = null; |
| mAdapterService = null; |
| mAudioManager = null; |
| |
| return true; |
| } |
| |
| @Override |
| protected void cleanup() { |
| Log.i(TAG, "cleanup()"); |
| } |
| |
| public static synchronized LeAudioService getLeAudioService() { |
| if (sLeAudioService == null) { |
| Log.w(TAG, "getLeAudioService(): service is NULL"); |
| return null; |
| } |
| if (!sLeAudioService.isAvailable()) { |
| Log.w(TAG, "getLeAudioService(): service is not available"); |
| return null; |
| } |
| return sLeAudioService; |
| } |
| |
| private static synchronized void setLeAudioService(LeAudioService instance) { |
| if (DBG) { |
| Log.d(TAG, "setLeAudioService(): set to: " + instance); |
| } |
| sLeAudioService = instance; |
| } |
| |
| public boolean connect(BluetoothDevice device) { |
| if (DBG) { |
| Log.d(TAG, "connect(): " + device); |
| } |
| |
| if (getConnectionPolicy(device) == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN) { |
| Log.e(TAG, "Cannot connect to " + device + " : CONNECTION_POLICY_FORBIDDEN"); |
| return false; |
| } |
| ParcelUuid[] featureUuids = mAdapterService.getRemoteUuids(device); |
| if (!Utils.arrayContains(featureUuids, BluetoothUuid.LE_AUDIO)) { |
| Log.e(TAG, "Cannot connect to " + device + " : Remote does not have LE_AUDIO UUID"); |
| return false; |
| } |
| |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = getOrCreateStateMachine(device); |
| if (sm == null) { |
| Log.e(TAG, "Ignored connect request for " + device + " : no state machine"); |
| return false; |
| } |
| sm.sendMessage(LeAudioStateMachine.CONNECT); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Disconnects LE Audio for the remote bluetooth device |
| * |
| * @param device is the device with which we would like to disconnect LE Audio |
| * @return true if profile disconnected, false if device not connected over LE Audio |
| */ |
| public boolean disconnect(BluetoothDevice device) { |
| if (DBG) { |
| Log.d(TAG, "disconnect(): " + device); |
| } |
| |
| // Disconnect this device |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm == null) { |
| Log.e(TAG, "Ignored disconnect request for " + device |
| + " : no state machine"); |
| return false; |
| } |
| sm.sendMessage(LeAudioStateMachine.DISCONNECT); |
| } |
| |
| return true; |
| } |
| |
| public List<BluetoothDevice> getConnectedDevices() { |
| synchronized (mStateMachines) { |
| List<BluetoothDevice> devices = new ArrayList<>(); |
| for (LeAudioStateMachine sm : mStateMachines.values()) { |
| if (sm.isConnected()) { |
| devices.add(sm.getDevice()); |
| } |
| } |
| return devices; |
| } |
| } |
| |
| public BluetoothDevice getConnectedGroupLeadDevice(int groupId) { |
| return getFirstDeviceFromGroup(groupId); |
| } |
| |
| List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { |
| ArrayList<BluetoothDevice> devices = new ArrayList<>(); |
| if (states == null) { |
| return devices; |
| } |
| final BluetoothDevice[] bondedDevices = mAdapterService.getBondedDevices(); |
| if (bondedDevices == null) { |
| return devices; |
| } |
| synchronized (mStateMachines) { |
| for (BluetoothDevice device : bondedDevices) { |
| final ParcelUuid[] featureUuids = device.getUuids(); |
| if (!Utils.arrayContains(featureUuids, BluetoothUuid.LE_AUDIO)) { |
| continue; |
| } |
| int connectionState = BluetoothProfile.STATE_DISCONNECTED; |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm != null) { |
| connectionState = sm.getConnectionState(); |
| } |
| for (int state : states) { |
| if (connectionState == state) { |
| devices.add(device); |
| break; |
| } |
| } |
| } |
| return devices; |
| } |
| } |
| |
| /** |
| * Get the list of devices that have state machines. |
| * |
| * @return the list of devices that have state machines |
| */ |
| @VisibleForTesting |
| List<BluetoothDevice> getDevices() { |
| List<BluetoothDevice> devices = new ArrayList<>(); |
| synchronized (mStateMachines) { |
| for (LeAudioStateMachine sm : mStateMachines.values()) { |
| devices.add(sm.getDevice()); |
| } |
| return devices; |
| } |
| } |
| |
| /** |
| * Get the current connection state of the profile |
| * |
| * @param device is the remote bluetooth device |
| * @return {@link BluetoothProfile#STATE_DISCONNECTED} if this profile is disconnected, |
| * {@link BluetoothProfile#STATE_CONNECTING} if this profile is being connected, |
| * {@link BluetoothProfile#STATE_CONNECTED} if this profile is connected, or |
| * {@link BluetoothProfile#STATE_DISCONNECTING} if this profile is being disconnected |
| */ |
| public int getConnectionState(BluetoothDevice device) { |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| return sm.getConnectionState(); |
| } |
| } |
| |
| /** |
| * Add device to the given group. |
| * @param groupId group ID the device is being added to |
| * @param device the active device |
| * @return true on success, otherwise false |
| */ |
| public boolean groupAddNode(int groupId, BluetoothDevice device) { |
| return mLeAudioNativeInterface.groupAddNode(groupId, device); |
| } |
| |
| /** |
| * Remove device from a given group. |
| * @param groupId group ID the device is being removed from |
| * @param device the active device |
| * @return true on success, otherwise false |
| */ |
| public boolean groupRemoveNode(int groupId, BluetoothDevice device) { |
| return mLeAudioNativeInterface.groupRemoveNode(groupId, device); |
| } |
| |
| /** |
| * Checks if given group exists. |
| * @param group_id group Id to verify |
| * @return true given group exists, otherwise false |
| */ |
| public boolean isValidDeviceGroup(int group_id) { |
| return (group_id != LE_AUDIO_GROUP_ID_INVALID) ? |
| mDeviceGroupIdMap.containsValue(group_id) : |
| false; |
| } |
| |
| /** |
| * Get all the devices within a given group. |
| * @param group_id group Id to verify |
| * @return all devices within a given group or empty list |
| */ |
| public List<BluetoothDevice> getGroupDevices(int group_id) { |
| List<BluetoothDevice> result = new ArrayList<>(); |
| |
| if (group_id != LE_AUDIO_GROUP_ID_INVALID) { |
| for (BluetoothDevice storedDevice : mDeviceGroupIdMap.keySet()) { |
| if (getGroupId(storedDevice) == group_id) { |
| result.add(storedDevice); |
| } |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Get supported group audio direction from available context. |
| * |
| * @param activeContext bitset of active context to be matched with possible audio direction |
| * support. |
| * @return matched possible audio direction support masked bitset |
| * {@link AUDIO_DIRECTION_INPUT_BIT} if input audio is supported |
| * {@link AUDIO_DIRECTION_OUTPUT_BIT} if output audio is supported |
| */ |
| private Integer getAudioDirectionsFromActiveContextsMap(Integer activeContexts) { |
| Integer supportedAudioDirections = 0; |
| |
| if ((activeContexts & mContextSupportingInputAudio) != 0) { |
| supportedAudioDirections |= AUDIO_DIRECTION_INPUT_BIT; |
| } |
| if ((activeContexts & mContextSupportingOutputAudio) != 0) { |
| supportedAudioDirections |= AUDIO_DIRECTION_OUTPUT_BIT; |
| } |
| |
| return supportedAudioDirections; |
| } |
| |
| private Integer getActiveGroupId() { |
| for (Map.Entry<Integer, LeAudioGroupDescriptor> entry : mGroupDescriptors.entrySet()) { |
| LeAudioGroupDescriptor descriptor = entry.getValue(); |
| if (descriptor.mIsActive) { |
| return entry.getKey(); |
| } |
| } |
| return LE_AUDIO_GROUP_ID_INVALID; |
| } |
| |
| /** |
| * Creates LeAudio Broadcast instance. |
| * @param metadata metadata buffer with TLVs |
| * @param audioProfile broadcast audio profile |
| * @param broadcastCode optional code if broadcast should be encrypted |
| */ |
| public void createBroadcast(BluetoothLeAudioContentMetadata metadata, byte[] broadcastCode) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| mLeAudioBroadcasterNativeInterface.createBroadcast(metadata.getRawMetadata(), |
| BROADCAST_PROFILE_MEDIA, broadcastCode); |
| } |
| |
| /** |
| * Start LeAudio Broadcast instance. |
| * @param instanceId broadcast instance identifier |
| */ |
| public void startBroadcast(int instanceId) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| if (DBG) Log.d(TAG, "startBroadcast"); |
| mLeAudioBroadcasterNativeInterface.startBroadcast(instanceId); |
| } |
| |
| /** |
| * Updates LeAudio Broadcast instance metadata. |
| * @param instanceId broadcast instance identifier |
| * @param metadata metadata for the default Broadcast subgroup |
| */ |
| public void updateBroadcast(int instanceId, BluetoothLeAudioContentMetadata metadata) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| if (DBG) Log.d(TAG, "updateBroadcast"); |
| mLeAudioBroadcasterNativeInterface.updateMetadata(instanceId, metadata.getRawMetadata()); |
| } |
| |
| /** |
| * Stop LeAudio Broadcast instance. |
| * @param instanceId broadcast instance identifier |
| */ |
| public void stopBroadcast(Integer instanceId) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| if (DBG) Log.d(TAG, "stopBroadcast"); |
| mLeAudioBroadcasterNativeInterface.stopBroadcast(instanceId); |
| } |
| |
| /** |
| * Destroy LeAudio Broadcast instance. |
| * @param instanceId broadcast instance identifier |
| */ |
| public void destroyBroadcast(int instanceId) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| if (DBG) Log.d(TAG, "destroyBroadcast"); |
| mLeAudioBroadcasterNativeInterface.destroyBroadcast(instanceId); |
| } |
| |
| /** |
| * Get LeAudio Broadcast id. |
| * @param instanceId broadcast instance identifier |
| */ |
| public void getBroadcastId(int instanceId) { |
| if (mLeAudioBroadcasterNativeInterface == null) { |
| Log.w(TAG, "Native interface not available."); |
| return; |
| } |
| mLeAudioBroadcasterNativeInterface.getBroadcastId(instanceId); |
| } |
| |
| /** |
| * Checks if Broadcast instance is playing. |
| * @param instanceId broadcast instance identifier |
| * @return true if if broadcast is playing, false otherwise |
| */ |
| public boolean isPlaying(int instanceId) { |
| return mBroadcastsPlaybackMap.getOrDefault(instanceId, false); |
| } |
| |
| /** |
| * Get all broadcast metadata. |
| * @return list of all know Broadcast metadata |
| */ |
| public List<BluetoothLeBroadcastMetadata> getAllBroadcastMetadata() { |
| return mBroadcastMetadataList; |
| } |
| |
| /** |
| * Get the maximum number of supported simultaneous broadcasts. |
| * @return number of supported simultaneous broadcasts |
| */ |
| public int getMaximumNumberOfBroadcasts() { |
| /* TODO: This is currently fixed to 1 */ |
| return 1; |
| } |
| |
| private BluetoothDevice getFirstDeviceFromGroup(Integer groupId) { |
| if (groupId != LE_AUDIO_GROUP_ID_INVALID) { |
| for(Map.Entry<BluetoothDevice, Integer> entry : mDeviceGroupIdMap.entrySet()) { |
| if (entry.getValue() != groupId) { |
| continue; |
| } |
| |
| LeAudioStateMachine sm = mStateMachines.get(entry.getKey()); |
| if (sm == null || sm.getConnectionState() != BluetoothProfile.STATE_CONNECTED) { |
| continue; |
| } |
| |
| return entry.getKey(); |
| } |
| } |
| |
| return null; |
| } |
| |
| private boolean updateActiveInDevice(BluetoothDevice device, Integer groupId, |
| Integer oldActiveContexts, |
| Integer newActiveContexts) { |
| Integer oldSupportedAudioDirections = |
| getAudioDirectionsFromActiveContextsMap(oldActiveContexts); |
| Integer newSupportedAudioDirections = |
| getAudioDirectionsFromActiveContextsMap(newActiveContexts); |
| |
| boolean oldSupportedByDeviceInput = (oldSupportedAudioDirections |
| & AUDIO_DIRECTION_INPUT_BIT) != 0; |
| boolean newSupportedByDeviceInput = (newSupportedAudioDirections |
| & AUDIO_DIRECTION_INPUT_BIT) != 0; |
| |
| /* |
| * Do not update input if neither previous nor current device support input |
| */ |
| if (!oldSupportedByDeviceInput && !newSupportedByDeviceInput) { |
| Log.d(TAG, "updateActiveInDevice: Device does not support input."); |
| return false; |
| } |
| |
| if (device != null && mActiveAudioInDevice != null) { |
| int previousGroupId = getGroupId(mActiveAudioInDevice); |
| if (previousGroupId == groupId) { |
| /* This is thes same group as aleady notified to the system. |
| * Therefore do not change the device we have connected to the group, |
| * unless, previous one is disconnected now |
| */ |
| if (mActiveAudioInDevice.isConnected()) { |
| device = mActiveAudioInDevice; |
| } |
| } else { |
| /* Mark old group as no active */ |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(previousGroupId); |
| descriptor.mIsActive = false; |
| } |
| } |
| |
| BluetoothDevice previousInDevice = mActiveAudioInDevice; |
| |
| /* |
| * Update input if: |
| * - Device changed |
| * OR |
| * - Device stops / starts supporting input |
| */ |
| if (!Objects.equals(device, previousInDevice) |
| || (oldSupportedByDeviceInput != newSupportedByDeviceInput)) { |
| mActiveAudioInDevice = newSupportedByDeviceInput ? device : null; |
| if (DBG) { |
| Log.d(TAG, " handleBluetoothActiveDeviceChanged previousInDevice: " |
| + previousInDevice + ", mActiveAudioInDevice" + mActiveAudioInDevice |
| + " isLeOutput: false"); |
| } |
| mAudioManager.handleBluetoothActiveDeviceChanged(mActiveAudioInDevice,previousInDevice, |
| BluetoothProfileConnectionInfo.createLeAudioInfo(false, false)); |
| |
| return true; |
| } |
| Log.d(TAG, "updateActiveInDevice: Nothing to do."); |
| return false; |
| } |
| |
| private boolean updateActiveOutDevice(BluetoothDevice device, Integer groupId, |
| Integer oldActiveContexts, |
| Integer newActiveContexts) { |
| Integer oldSupportedAudioDirections = |
| getAudioDirectionsFromActiveContextsMap(oldActiveContexts); |
| Integer newSupportedAudioDirections = |
| getAudioDirectionsFromActiveContextsMap(newActiveContexts); |
| |
| boolean oldSupportedByDeviceOutput = (oldSupportedAudioDirections |
| & AUDIO_DIRECTION_OUTPUT_BIT) != 0; |
| boolean newSupportedByDeviceOutput = (newSupportedAudioDirections |
| & AUDIO_DIRECTION_OUTPUT_BIT) != 0; |
| |
| /* |
| * Do not update output if neither previous nor current device support output |
| */ |
| if (!oldSupportedByDeviceOutput && !newSupportedByDeviceOutput) { |
| Log.d(TAG, "updateActiveOutDevice: Device does not support output."); |
| return false; |
| } |
| |
| if (device != null && mActiveAudioOutDevice != null) { |
| int previousGroupId = getGroupId(mActiveAudioOutDevice); |
| if (previousGroupId == groupId) { |
| /* This is the same group as already notified to the system. |
| * Therefore do not change the device we have connected to the group, |
| * unless, previous one is disconnected now |
| */ |
| if (mActiveAudioOutDevice.isConnected()) { |
| device = mActiveAudioOutDevice; |
| } |
| } else { |
| Log.i(TAG, " Switching active group from " + previousGroupId + " to " + groupId); |
| /* Mark old group as no active */ |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(previousGroupId); |
| descriptor.mIsActive = false; |
| } |
| } |
| |
| BluetoothDevice previousOutDevice = mActiveAudioOutDevice; |
| |
| /* |
| * Update output if: |
| * - Device changed |
| * OR |
| * - Device stops / starts supporting output |
| */ |
| if (!Objects.equals(device, previousOutDevice) |
| || (oldSupportedByDeviceOutput != newSupportedByDeviceOutput)) { |
| mActiveAudioOutDevice = newSupportedByDeviceOutput ? device : null; |
| final boolean suppressNoisyIntent = (mActiveAudioOutDevice != null) |
| || (getConnectionState(previousOutDevice) == BluetoothProfile.STATE_CONNECTED); |
| |
| if (DBG) { |
| Log.d(TAG, " handleBluetoothActiveDeviceChanged previousOutDevice: " |
| + previousOutDevice + ", mActiveOutDevice: " + mActiveAudioOutDevice |
| + " isLeOutput: true"); |
| } |
| mAudioManager.handleBluetoothActiveDeviceChanged(mActiveAudioOutDevice, |
| previousOutDevice, |
| BluetoothProfileConnectionInfo.createLeAudioInfo(suppressNoisyIntent, true)); |
| return true; |
| } |
| Log.d(TAG, "updateActiveOutDevice: Nothing to do."); |
| return false; |
| } |
| |
| /** |
| * Report the active devices change to the active device manager and the media framework. |
| * @param groupId id of group which devices should be updated |
| * @param newActiveContexts new active contexts for group of devices |
| * @param oldActiveContexts old active contexts for group of devices |
| * @param isActive if there is new active group |
| */ |
| private void updateActiveDevices(Integer groupId, Integer oldActiveContexts, |
| Integer newActiveContexts, boolean isActive) { |
| BluetoothDevice device = null; |
| |
| if (isActive) { |
| device = getFirstDeviceFromGroup(groupId); |
| } |
| |
| boolean outReplaced = |
| updateActiveOutDevice(device, groupId, oldActiveContexts, newActiveContexts); |
| boolean inReplaced = |
| updateActiveInDevice(device, groupId, oldActiveContexts, newActiveContexts); |
| |
| if (outReplaced || inReplaced) { |
| Intent intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED); |
| intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mActiveAudioOutDevice); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
| | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); |
| sendBroadcast(intent, BLUETOOTH_CONNECT); |
| } |
| } |
| |
| /** |
| * Set the active device group. |
| * @param groupId group Id to set active |
| */ |
| private void setActiveDeviceGroup(BluetoothDevice device) { |
| int groupId = LE_AUDIO_GROUP_ID_INVALID; |
| |
| if (device != null) { |
| groupId = mDeviceGroupIdMap.getOrDefault(device, LE_AUDIO_GROUP_ID_INVALID); |
| } |
| |
| int currentlyActiveGroupId = getActiveGroupId(); |
| if (DBG) { |
| Log.d(TAG, "setActiveDeviceGroup = " + groupId + |
| ", currentlyActiveGroupId = " + currentlyActiveGroupId + |
| ", device: " + device); |
| } |
| |
| if (groupId == currentlyActiveGroupId) { |
| Log.w(TAG, "group is already active"); |
| return; |
| } |
| |
| mLeAudioNativeInterface.groupSetActive(groupId); |
| } |
| |
| /** |
| * Set the active group represented by device. |
| * |
| * @param device the new active device |
| * @return true on success, otherwise false |
| */ |
| public boolean setActiveDevice(BluetoothDevice device) { |
| synchronized (mStateMachines) { |
| /* Clear active group */ |
| if (device == null) { |
| setActiveDeviceGroup(device); |
| return true; |
| } |
| if (getConnectionState(device) != BluetoothProfile.STATE_CONNECTED) { |
| Log.e(TAG, "setActiveDevice(" + device + "): failed because group device is not " + |
| "connected"); |
| return false; |
| } |
| setActiveDeviceGroup(device); |
| return true; |
| } |
| } |
| |
| /** |
| * Get the active LE audio device. |
| * |
| * Note: When LE audio group is active, one of the Bluetooth device address |
| * which belongs to the group, represents the active LE audio group. |
| * Internally, this address is translated to LE audio group id. |
| * |
| * @return List of two elements. First element is an active output device |
| * and second element is an active input device. |
| */ |
| public List<BluetoothDevice> getActiveDevices() { |
| if (DBG) { |
| Log.d(TAG, "getActiveDevices"); |
| } |
| ArrayList<BluetoothDevice> activeDevices = new ArrayList<>(); |
| activeDevices.add(null); |
| activeDevices.add(null); |
| synchronized (mStateMachines) { |
| int currentlyActiveGroupId = getActiveGroupId(); |
| if (currentlyActiveGroupId == LE_AUDIO_GROUP_ID_INVALID) { |
| return activeDevices; |
| } |
| activeDevices.add(0, mActiveAudioOutDevice); |
| activeDevices.add(1, mActiveAudioInDevice); |
| } |
| return activeDevices; |
| } |
| |
| void connectSet(BluetoothDevice device) { |
| int groupId = getGroupId(device); |
| if (groupId == LE_AUDIO_GROUP_ID_INVALID) { |
| return; |
| } |
| |
| if (DBG) { |
| Log.d(TAG, "connect() others from group id: " + groupId); |
| } |
| |
| for (BluetoothDevice storedDevice : mDeviceGroupIdMap.keySet()) { |
| if (device.equals(storedDevice)) { |
| continue; |
| } |
| |
| if (getGroupId(storedDevice) != groupId) { |
| continue; |
| } |
| |
| if (DBG) { |
| Log.d(TAG, "connect(): " + device); |
| } |
| |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = getOrCreateStateMachine(storedDevice); |
| if (sm == null) { |
| Log.e(TAG, "Ignored connect request for " + storedDevice |
| + " : no state machine"); |
| continue; |
| } |
| sm.sendMessage(LeAudioStateMachine.CONNECT); |
| } |
| } |
| |
| } |
| |
| // Suppressed since this is part of a local process |
| @SuppressLint("AndroidFrameworkRequiresPermission") |
| void messageFromNative(LeAudioStackEvent stackEvent) { |
| Log.d(TAG, "Message from native: " + stackEvent); |
| BluetoothDevice device = stackEvent.device; |
| Intent intent = null; |
| |
| if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_CONNECTION_STATE_CHANGED) { |
| // Some events require device state machine |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm == null) { |
| switch (stackEvent.valueInt1) { |
| case LeAudioStackEvent.CONNECTION_STATE_CONNECTED: |
| case LeAudioStackEvent.CONNECTION_STATE_CONNECTING: |
| sm = getOrCreateStateMachine(device); |
| /* Incoming connection try to connect other devices from the group */ |
| connectSet(device); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (sm == null) { |
| Log.e(TAG, "Cannot process stack event: no state machine: " + stackEvent); |
| return; |
| } |
| |
| sm.sendMessage(LeAudioStateMachine.STACK_EVENT, stackEvent); |
| return; |
| } |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_GROUP_NODE_STATUS_CHANGED) { |
| int group_id = stackEvent.valueInt1; |
| int node_status = stackEvent.valueInt2; |
| |
| Objects.requireNonNull(stackEvent.device, |
| "Device should never be null, event: " + stackEvent); |
| |
| switch (node_status) { |
| case LeAudioStackEvent.GROUP_NODE_ADDED: |
| mDeviceGroupIdMap.put(device, group_id); |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id); |
| if (descriptor == null) { |
| mGroupDescriptors.put(group_id, new LeAudioGroupDescriptor()); |
| } |
| break; |
| case LeAudioStackEvent.GROUP_NODE_REMOVED: |
| mDeviceGroupIdMap.remove(device); |
| if (mDeviceGroupIdMap.containsValue(group_id) == false) { |
| mGroupDescriptors.remove(group_id); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED); |
| intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_NODE_STATUS, node_status); |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_AUDIO_CONF_CHANGED) { |
| int direction = stackEvent.valueInt1; |
| int group_id = stackEvent.valueInt2; |
| int snk_audio_location = stackEvent.valueInt3; |
| int src_audio_location = stackEvent.valueInt4; |
| int available_contexts = stackEvent.valueInt5; |
| |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id); |
| if (descriptor != null) { |
| if (descriptor.mIsActive) { |
| updateActiveDevices(group_id, descriptor.mActiveContexts, |
| available_contexts, descriptor.mIsActive); |
| } |
| descriptor.mActiveContexts = available_contexts; |
| } else { |
| Log.e(TAG, "no descriptors for group: " + group_id); |
| } |
| |
| intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_CONF_CHANGED); |
| intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_DIRECTION, direction); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SINK_LOCATION, snk_audio_location); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_SOURCE_LOCATION, src_audio_location); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS, available_contexts); |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_SINK_AUDIO_LOCATION_AVAILABLE) { |
| Objects.requireNonNull(stackEvent.device, |
| "Device should never be null, event: " + stackEvent); |
| |
| int sink_audio_location = stackEvent.valueInt1; |
| mDeviceAudioLocationMap.put(device, sink_audio_location); |
| |
| if (DBG) { |
| Log.i(TAG, "EVENT_TYPE_SINK_AUDIO_LOCATION_AVAILABLE:" + device |
| + " audio location:" + sink_audio_location); |
| } |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_GROUP_STATUS_CHANGED) { |
| int group_id = stackEvent.valueInt1; |
| int group_status = stackEvent.valueInt2; |
| boolean send_intent = false; |
| |
| switch (group_status) { |
| case LeAudioStackEvent.GROUP_STATUS_ACTIVE: { |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id); |
| if (descriptor != null) { |
| if (!descriptor.mIsActive) { |
| descriptor.mIsActive = true; |
| updateActiveDevices(group_id, ACTIVE_CONTEXTS_NONE, |
| descriptor.mActiveContexts, descriptor.mIsActive); |
| send_intent = true; |
| } |
| } else { |
| Log.e(TAG, "no descriptors for group: " + group_id); |
| } |
| break; |
| } |
| case LeAudioStackEvent.GROUP_STATUS_INACTIVE: { |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(group_id); |
| if (descriptor != null) { |
| if (descriptor.mIsActive) { |
| descriptor.mIsActive = false; |
| updateActiveDevices(group_id, descriptor.mActiveContexts, |
| ACTIVE_CONTEXTS_NONE, descriptor.mIsActive); |
| send_intent = true; |
| } |
| } else { |
| Log.e(TAG, "no descriptors for group: " + group_id); |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| |
| if (send_intent) { |
| intent = new Intent(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, group_id); |
| intent.putExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_STATUS, group_status); |
| } |
| |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_BROADCAST_CREATED) { |
| int instanceId = stackEvent.valueInt1; |
| boolean success = stackEvent.valueBool1; |
| if (success) { |
| Log.d(TAG, "Broadcast Instance id: " + instanceId + " created."); |
| startBroadcast(instanceId); |
| getBroadcastId(instanceId); |
| } else { |
| // TODO: Improve reason reporting or extend the native stack event with reason code |
| notifyBroadcastStartFailed(instanceId, BluetoothStatusCodes.ERROR_UNKNOWN); |
| } |
| |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_BROADCAST_DESTROYED) { |
| Integer instanceId = stackEvent.valueInt1; |
| |
| // TODO: Improve reason reporting or extend the native stack event with reason code |
| notifyOnBroadcastStopped(instanceId, BluetoothStatusCodes.REASON_LOCAL_APP_REQUEST); |
| |
| mBroadcastStateMap.remove(instanceId); |
| mBroadcastsPlaybackMap.remove(instanceId); |
| if (mBroadcastIdMap.containsKey(instanceId)) { |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| mBroadcastMetadataList.removeIf(m -> broadcastId == m.getBroadcastId()); |
| mBroadcastIdMap.remove(instanceId); |
| } |
| |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_BROADCAST_STATE) { |
| int instanceId = stackEvent.valueInt1; |
| int state = stackEvent.valueInt2; |
| mBroadcastStateMap.put(instanceId, state); |
| |
| if (state == LeAudioStackEvent.BROADCAST_STATE_STOPPED) { |
| if (DBG) Log.d(TAG, "Broadcast Instance id: " + instanceId + " stopped."); |
| destroyBroadcast(instanceId); |
| |
| } else if (state == LeAudioStackEvent.BROADCAST_STATE_CONFIGURING) { |
| if (DBG) Log.d(TAG, "Broadcast Instance id: " + instanceId + " configuring."); |
| |
| } else if (state == LeAudioStackEvent.BROADCAST_STATE_PAUSED) { |
| if (DBG) Log.d(TAG, "Broadcast Instance id: " + instanceId + " paused."); |
| |
| if (!mBroadcastsPlaybackMap.containsKey(instanceId)) { |
| // Initial playback state after the creation |
| notifyBroadcastStarted(instanceId, |
| BluetoothStatusCodes.REASON_LOCAL_APP_REQUEST); |
| } |
| |
| // Playback paused |
| mBroadcastsPlaybackMap.put(instanceId, false); |
| notifyPlaybackStopped(instanceId, BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST); |
| |
| // Notify audio manager |
| if (Collections.frequency(mBroadcastsPlaybackMap.values(), true) == 0) { |
| if (Objects.equals(device, mActiveAudioOutDevice)) { |
| BluetoothDevice previousDevice = mActiveAudioOutDevice; |
| mActiveAudioOutDevice = null; |
| mAudioManager.handleBluetoothActiveDeviceChanged(mActiveAudioOutDevice, |
| previousDevice, |
| // TODO: implement createLeAudioBroadcastInfo() |
| BluetoothProfileConnectionInfo.createLeAudioInfo(true, true)); |
| } |
| } |
| |
| } else if (state == LeAudioStackEvent.BROADCAST_STATE_STOPPING) { |
| if (DBG) Log.d(TAG, "Broadcast Instance id: " + instanceId + " stopping."); |
| |
| } else if (state == LeAudioStackEvent.BROADCAST_STATE_STREAMING) { |
| if (DBG) Log.d(TAG, "Broadcast Instance id: " + instanceId + " streaming."); |
| |
| if (!mBroadcastsPlaybackMap.containsKey(instanceId)) { |
| notifyBroadcastStarted(instanceId, |
| BluetoothStatusCodes.REASON_LOCAL_APP_REQUEST); |
| } |
| |
| // Stream resumed |
| mBroadcastsPlaybackMap.put(instanceId, true); |
| notifyPlaybackStarted(instanceId, BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST); |
| |
| // Notify audio manager |
| if (Collections.frequency(mBroadcastsPlaybackMap.values(), true) == 1) { |
| if (!Objects.equals(device, mActiveAudioOutDevice)) { |
| BluetoothDevice previousDevice = mActiveAudioOutDevice; |
| mActiveAudioOutDevice = device; |
| mAudioManager.handleBluetoothActiveDeviceChanged(mActiveAudioOutDevice, |
| previousDevice, |
| // TODO: implement createLeAudioBroadcastInfo() |
| BluetoothProfileConnectionInfo.createLeAudioInfo(false, true)); |
| } |
| } |
| } |
| |
| } else if (stackEvent.type == LeAudioStackEvent.EVENT_TYPE_BROADCAST_ID) { |
| int instanceId = stackEvent.valueInt1; |
| byte[] broadcastId = stackEvent.valueByte1; |
| mBroadcastIdMap.put(instanceId, new BigInteger(broadcastId).intValue()); |
| } |
| // TODO: Support Broadcast metadata updates |
| |
| if (intent != null) { |
| sendBroadcast(intent, BLUETOOTH_CONNECT); |
| } |
| } |
| |
| private LeAudioStateMachine getOrCreateStateMachine(BluetoothDevice device) { |
| if (device == null) { |
| Log.e(TAG, "getOrCreateStateMachine failed: device cannot be null"); |
| return null; |
| } |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm != null) { |
| return sm; |
| } |
| // Limit the maximum number of state machines to avoid DoS attack |
| if (mStateMachines.size() >= MAX_LE_AUDIO_STATE_MACHINES) { |
| Log.e(TAG, "Maximum number of LeAudio state machines reached: " |
| + MAX_LE_AUDIO_STATE_MACHINES); |
| return null; |
| } |
| if (DBG) { |
| Log.d(TAG, "Creating a new state machine for " + device); |
| } |
| sm = LeAudioStateMachine.make(device, this, |
| mLeAudioNativeInterface, mStateMachinesThread.getLooper()); |
| mStateMachines.put(device, sm); |
| return sm; |
| } |
| } |
| |
| // Remove state machine if the bonding for a device is removed |
| private class BondStateChangedReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (!BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(intent.getAction())) { |
| return; |
| } |
| int state = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, |
| BluetoothDevice.ERROR); |
| BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| Objects.requireNonNull(device, "ACTION_BOND_STATE_CHANGED with no EXTRA_DEVICE"); |
| bondStateChanged(device, state); |
| } |
| } |
| |
| /** |
| * Process a change in the bonding state for a device. |
| * |
| * @param device the device whose bonding state has changed |
| * @param bondState the new bond state for the device. Possible values are: |
| * {@link BluetoothDevice#BOND_NONE}, |
| * {@link BluetoothDevice#BOND_BONDING}, |
| * {@link BluetoothDevice#BOND_BONDED}. |
| */ |
| @VisibleForTesting |
| void bondStateChanged(BluetoothDevice device, int bondState) { |
| if (DBG) { |
| Log.d(TAG, "Bond state changed for device: " + device + " state: " + bondState); |
| } |
| // Remove state machine if the bonding for a device is removed |
| if (bondState != BluetoothDevice.BOND_NONE) { |
| return; |
| } |
| |
| int groupId = getGroupId(device); |
| if (groupId != LE_AUDIO_GROUP_ID_INVALID) { |
| /* In case device is still in the group, let's remove it */ |
| mLeAudioNativeInterface.groupRemoveNode(groupId, device); |
| } |
| |
| mDeviceGroupIdMap.remove(device); |
| mDeviceAudioLocationMap.remove(device); |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm == null) { |
| return; |
| } |
| if (sm.getConnectionState() != BluetoothProfile.STATE_DISCONNECTED) { |
| return; |
| } |
| removeStateMachine(device); |
| } |
| } |
| |
| private void removeStateMachine(BluetoothDevice device) { |
| synchronized (mStateMachines) { |
| LeAudioStateMachine sm = mStateMachines.get(device); |
| if (sm == null) { |
| Log.w(TAG, "removeStateMachine: device " + device |
| + " does not have a state machine"); |
| return; |
| } |
| Log.i(TAG, "removeStateMachine: removing state machine for device: " + device); |
| sm.doQuit(); |
| sm.cleanup(); |
| mStateMachines.remove(device); |
| } |
| } |
| |
| private List<BluetoothDevice> getConnectedPeerDevices(int groupId) { |
| List<BluetoothDevice> result = new ArrayList<>(); |
| for (BluetoothDevice peerDevice : getConnectedDevices()) { |
| if (getGroupId(peerDevice) == groupId) { |
| result.add(peerDevice); |
| } |
| } |
| return result; |
| } |
| |
| @VisibleForTesting |
| synchronized void connectionStateChanged(BluetoothDevice device, int fromState, |
| int toState) { |
| if ((device == null) || (fromState == toState)) { |
| Log.e(TAG, "connectionStateChanged: unexpected invocation. device=" + device |
| + " fromState=" + fromState + " toState=" + toState); |
| return; |
| } |
| if (toState == BluetoothProfile.STATE_CONNECTED) { |
| int myGroupId = getGroupId(device); |
| if (myGroupId == LE_AUDIO_GROUP_ID_INVALID |
| || getConnectedPeerDevices(myGroupId).size() == 1) { |
| // Log LE Audio connection event if we are the first device in a set |
| // Or when the GroupId has not been found |
| // MetricsLogger.logProfileConnectionEvent( |
| // BluetoothMetricsProto.ProfileId.LE_AUDIO); |
| } |
| |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(myGroupId); |
| if (descriptor != null) { |
| descriptor.mIsConnected = true; |
| /* HearingAid activates device after connection |
| * A2dp makes active device via activedevicemanager - connection intent |
| */ |
| setActiveDevice(device); |
| } else { |
| Log.e(TAG, "no descriptors for group: " + myGroupId); |
| } |
| |
| McpService mcpService = mServiceFactory.getMcpService(); |
| if (mcpService != null) { |
| mcpService.setDeviceAuthorized(device, true); |
| } |
| } |
| // Check if the device is disconnected - if unbond, remove the state machine |
| if (toState == BluetoothProfile.STATE_DISCONNECTED) { |
| int bondState = mAdapterService.getBondState(device); |
| if (bondState == BluetoothDevice.BOND_NONE) { |
| if (DBG) { |
| Log.d(TAG, device + " is unbond. Remove state machine"); |
| } |
| removeStateMachine(device); |
| } |
| |
| McpService mcpService = mServiceFactory.getMcpService(); |
| if (mcpService != null) { |
| mcpService.setDeviceAuthorized(device, false); |
| } |
| |
| int myGroupId = getGroupId(device); |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(myGroupId); |
| if (descriptor == null) { |
| Log.e(TAG, "no descriptors for group: " + myGroupId); |
| return; |
| } |
| |
| if (getConnectedPeerDevices(myGroupId).isEmpty()){ |
| descriptor.mIsConnected = false; |
| if (descriptor.mIsActive) { |
| /* Notify Native layer */ |
| setActiveDevice(null); |
| descriptor.mIsActive = false; |
| /* Update audio framework */ |
| updateActiveDevices(myGroupId, |
| descriptor.mActiveContexts, |
| descriptor.mActiveContexts, |
| descriptor.mIsActive); |
| return; |
| } |
| } |
| |
| if (descriptor.mIsActive) { |
| updateActiveDevices(myGroupId, |
| descriptor.mActiveContexts, |
| descriptor.mActiveContexts, |
| descriptor.mIsActive); |
| } |
| } |
| } |
| |
| private class ConnectionStateChangedReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (!BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED.equals(intent.getAction())) { |
| return; |
| } |
| BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| int toState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1); |
| int fromState = intent.getIntExtra(BluetoothProfile.EXTRA_PREVIOUS_STATE, -1); |
| connectionStateChanged(device, fromState, toState); |
| } |
| } |
| |
| /** |
| * Check whether can connect to a peer device. |
| * The check considers a number of factors during the evaluation. |
| * |
| * @param device the peer device to connect to |
| * @return true if connection is allowed, otherwise false |
| */ |
| public boolean okToConnect(BluetoothDevice device) { |
| // Check if this is an incoming connection in Quiet mode. |
| if (mAdapterService.isQuietModeEnabled()) { |
| Log.e(TAG, "okToConnect: cannot connect to " + device + " : quiet mode enabled"); |
| return false; |
| } |
| // Check connectionPolicy and accept or reject the connection. |
| int connectionPolicy = getConnectionPolicy(device); |
| int bondState = mAdapterService.getBondState(device); |
| // Allow this connection only if the device is bonded. Any attempt to connect while |
| // bonding would potentially lead to an unauthorized connection. |
| if (bondState != BluetoothDevice.BOND_BONDED) { |
| Log.w(TAG, "okToConnect: return false, bondState=" + bondState); |
| return false; |
| } else if (connectionPolicy != BluetoothProfile.CONNECTION_POLICY_UNKNOWN |
| && connectionPolicy != BluetoothProfile.CONNECTION_POLICY_ALLOWED) { |
| // Otherwise, reject the connection if connectionPolicy is not valid. |
| Log.w(TAG, "okToConnect: return false, connectionPolicy=" + connectionPolicy); |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Get device audio location. |
| * @param device LE Audio capable device |
| * @return the sink audioi location that this device currently exposed |
| */ |
| public int getAudioLocation(BluetoothDevice device) { |
| if (device == null) { |
| return BluetoothLeAudio.AUDIO_LOCATION_INVALID; |
| } |
| return mDeviceAudioLocationMap.getOrDefault(device, |
| BluetoothLeAudio.AUDIO_LOCATION_INVALID); |
| } |
| |
| /** |
| * Set connection policy of the profile and connects it if connectionPolicy is |
| * {@link BluetoothProfile#CONNECTION_POLICY_ALLOWED} or disconnects if connectionPolicy is |
| * {@link BluetoothProfile#CONNECTION_POLICY_FORBIDDEN} |
| * |
| * <p> The device should already be paired. |
| * Connection policy can be one of: |
| * {@link BluetoothProfile#CONNECTION_POLICY_ALLOWED}, |
| * {@link BluetoothProfile#CONNECTION_POLICY_FORBIDDEN}, |
| * {@link BluetoothProfile#CONNECTION_POLICY_UNKNOWN} |
| * |
| * @param device the remote device |
| * @param connectionPolicy is the connection policy to set to for this profile |
| * @return true on success, otherwise false |
| */ |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setConnectionPolicy(BluetoothDevice device, int connectionPolicy) { |
| enforceCallingOrSelfPermission(BLUETOOTH_PRIVILEGED, |
| "Need BLUETOOTH_PRIVILEGED permission"); |
| if (DBG) { |
| Log.d(TAG, "Saved connectionPolicy " + device + " = " + connectionPolicy); |
| } |
| |
| if (!mDatabaseManager.setProfileConnectionPolicy(device, BluetoothProfile.LE_AUDIO, |
| connectionPolicy)) { |
| return false; |
| } |
| if (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED) { |
| connect(device); |
| } else if (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN) { |
| disconnect(device); |
| } |
| return true; |
| } |
| |
| /** |
| * Get the connection policy of the profile. |
| * |
| * <p> The connection policy can be any of: |
| * {@link BluetoothProfile#CONNECTION_POLICY_ALLOWED}, |
| * {@link BluetoothProfile#CONNECTION_POLICY_FORBIDDEN}, |
| * {@link BluetoothProfile#CONNECTION_POLICY_UNKNOWN} |
| * |
| * @param device Bluetooth device |
| * @return connection policy of the device |
| * @hide |
| */ |
| public int getConnectionPolicy(BluetoothDevice device) { |
| return mDatabaseManager |
| .getProfileConnectionPolicy(device, BluetoothProfile.LE_AUDIO); |
| } |
| |
| /** |
| * Get device group id. Devices with same group id belong to same group (i.e left and right |
| * earbud) |
| * @param device LE Audio capable device |
| * @return group id that this device currently belongs to |
| */ |
| public int getGroupId(BluetoothDevice device) { |
| if (device == null) { |
| return LE_AUDIO_GROUP_ID_INVALID; |
| } |
| return mDeviceGroupIdMap.getOrDefault(device, LE_AUDIO_GROUP_ID_INVALID); |
| } |
| |
| /** |
| * Set volume for streaming devices |
| * @param volume volume to set |
| */ |
| public void setVolume(int volume) { |
| if (DBG) { |
| Log.d(TAG, "SetVolume " + volume); |
| } |
| |
| int currentlyActiveGroupId = getActiveGroupId(); |
| if (currentlyActiveGroupId == LE_AUDIO_GROUP_ID_INVALID) { |
| Log.e(TAG, "There is no active group "); |
| return; |
| } |
| |
| VolumeControlService service = mServiceFactory.getVolumeControlService(); |
| if (service != null) { |
| service.setVolumeGroup(currentlyActiveGroupId, volume); |
| } |
| } |
| |
| private void notifyUnicastCodecConfigChanged(int groupId, |
| BluetoothLeAudioCodecStatus status) { |
| if (mLeAudioCallbacks != null) { |
| int n = mLeAudioCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mLeAudioCallbacks.getBroadcastItem(i).onCodecConfigChanged(groupId, status); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mLeAudioCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyBroadcastStarted(Integer instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onBroadcastStarted(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyBroadcastStartFailed(Integer instanceId, int reason) { |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onBroadcastStartFailed(reason); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyOnBroadcastStopped(Integer instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onBroadcastStopped(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyOnBroadcastStopFailed(int reason) { |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onBroadcastStopFailed(reason); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyPlaybackStarted(Integer instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onPlaybackStarted(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyPlaybackStopped(Integer instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onPlaybackStopped(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyBroadcastUpdated(int instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i).onBroadcastUpdated(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyBroadcastUpdateFailed(int instanceId, int reason) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i) |
| .onBroadcastUpdateFailed(reason, broadcastId); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| private void notifyBroadcastMetadataChanged(int instanceId, |
| BluetoothLeBroadcastMetadata metadata) { |
| if (!mBroadcastIdMap.containsKey(instanceId)) { |
| Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId); |
| return; |
| } |
| |
| Integer broadcastId = mBroadcastIdMap.get(instanceId); |
| if (mBroadcastCallbacks != null) { |
| int n = mBroadcastCallbacks.beginBroadcast(); |
| for (int i = 0; i < n; i++) { |
| try { |
| mBroadcastCallbacks.getBroadcastItem(i) |
| .onBroadcastMetadataChanged(broadcastId, metadata); |
| } catch (RemoteException e) { |
| continue; |
| } |
| } |
| mBroadcastCallbacks.finishBroadcast(); |
| } |
| } |
| |
| /** |
| * Gets the current codec status (configuration and capability). |
| * |
| * @param groupId the group id |
| * @return the current codec status |
| * @hide |
| */ |
| public BluetoothLeAudioCodecStatus getCodecStatus(int groupId) { |
| if (DBG) { |
| Log.d(TAG, "getCodecStatus(" + groupId + ")"); |
| } |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(groupId); |
| if (descriptor != null) { |
| return descriptor.mCodecStatus; |
| } |
| return null; |
| } |
| |
| /** |
| * Sets the codec configuration preference. |
| * |
| * @param groupId the group id |
| * @param inputCodecConfig the input codec configuration preference |
| * @param outputCodecConfig the output codec configuration preference |
| * @hide |
| */ |
| public void setCodecConfigPreference(int groupId, |
| BluetoothLeAudioCodecConfig inputCodecConfig, |
| BluetoothLeAudioCodecConfig outputCodecConfig) { |
| if (DBG) { |
| Log.d(TAG, "setCodecConfigPreference(" + groupId + "): " |
| + Objects.toString(inputCodecConfig) |
| + Objects.toString(outputCodecConfig)); |
| } |
| LeAudioGroupDescriptor descriptor = mGroupDescriptors.get(groupId); |
| if (descriptor == null) { |
| Log.e(TAG, "setCodecConfigPreference: Invalid groupId, " + groupId); |
| return; |
| } |
| |
| if (inputCodecConfig == null || outputCodecConfig == null) { |
| Log.e(TAG, "setCodecConfigPreference: Codec config can't be null"); |
| return; |
| } |
| |
| /* We support different configuration for input and output but codec type |
| * shall be same */ |
| if (inputCodecConfig.getCodecType() != outputCodecConfig.getCodecType()) { |
| Log.e(TAG, "setCodecConfigPreference: Input codec type: " |
| + inputCodecConfig.getCodecType() |
| + "does not match output codec type: " + outputCodecConfig.getCodecType()); |
| return; |
| } |
| |
| if (descriptor.mCodecStatus == null) { |
| Log.e(TAG, "setCodecConfigPreference: Codec status is null"); |
| return; |
| } |
| |
| mLeAudioNativeInterface.setCodecConfigPreference(groupId, |
| inputCodecConfig, outputCodecConfig); |
| } |
| |
| |
| /** |
| * Binder object: must be a static class or memory leak may occur |
| */ |
| @VisibleForTesting |
| static class BluetoothLeAudioBinder extends IBluetoothLeAudio.Stub |
| implements IProfileServiceBinder { |
| private LeAudioService mService; |
| |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| private LeAudioService getService(AttributionSource source) { |
| if (!Utils.checkCallerIsSystemOrActiveUser(TAG) |
| || !Utils.checkServiceAvailable(mService, TAG) |
| || !Utils.checkConnectPermissionForDataDelivery(mService, source, TAG)) { |
| return null; |
| } |
| return mService; |
| } |
| |
| BluetoothLeAudioBinder(LeAudioService svc) { |
| mService = svc; |
| } |
| |
| @Override |
| public void cleanup() { |
| mService = null; |
| } |
| |
| @Override |
| public void connect(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.connect(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void disconnect(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.disconnect(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getConnectedDevices(AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| List<BluetoothDevice> defaultValue = new ArrayList<>(0); |
| if (service != null) { |
| defaultValue = service.getConnectedDevices(); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getConnectedGroupLeadDevice(int groupId, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| BluetoothDevice defaultValue = null; |
| if (service != null) { |
| defaultValue = service.getConnectedGroupLeadDevice(groupId); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getDevicesMatchingConnectionStates(int[] states, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| List<BluetoothDevice> defaultValue = new ArrayList<>(0); |
| if (service != null) { |
| defaultValue = service.getDevicesMatchingConnectionStates(states); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getConnectionState(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| int defaultValue = BluetoothProfile.STATE_DISCONNECTED; |
| if (service != null) { |
| defaultValue = service.getConnectionState(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void setActiveDevice(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.setActiveDevice(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getActiveDevices(AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| List<BluetoothDevice> defaultValue = new ArrayList<>(); |
| if (service != null) { |
| defaultValue = service.getActiveDevices(); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getAudioLocation(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| int defaultValue = BluetoothLeAudio.AUDIO_LOCATION_INVALID; |
| if (service != null) { |
| defaultValue = service.getAudioLocation(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void setConnectionPolicy(BluetoothDevice device, int connectionPolicy, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.setConnectionPolicy(device, connectionPolicy); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getConnectionPolicy(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| int defaultValue = BluetoothProfile.CONNECTION_POLICY_UNKNOWN; |
| if (service != null) { |
| defaultValue = service.getConnectionPolicy(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getGroupId(BluetoothDevice device, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| int defaultValue = LE_AUDIO_GROUP_ID_INVALID; |
| if (service != null) { |
| |
| defaultValue = service.getGroupId(device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void groupAddNode(int group_id, BluetoothDevice device, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.groupAddNode(group_id, device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void groupRemoveNode(int groupId, BluetoothDevice device, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| boolean defaultValue = false; |
| if (service != null) { |
| defaultValue = service.groupRemoveNode(groupId, device); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void setVolume(int volume, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| if (service != null) { |
| service.setVolume(volume); |
| } |
| receiver.send(null); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void registerCallback(IBluetoothLeAudioCallback callback, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| LeAudioService service = getService(source); |
| if ((service == null) || (service.mLeAudioCallbacks == null)) { |
| receiver.propagateException(new IllegalStateException("Service is unavailable")); |
| return; |
| } |
| |
| enforceBluetoothPrivilegedPermission(service); |
| try { |
| service.mLeAudioCallbacks.register(callback); |
| receiver.send(null); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void unregisterCallback(IBluetoothLeAudioCallback callback, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| LeAudioService service = getService(source); |
| if ((service == null) || (service.mLeAudioCallbacks == null)) { |
| receiver.propagateException(new IllegalStateException("Service is unavailable")); |
| return; |
| } |
| |
| enforceBluetoothPrivilegedPermission(service); |
| try { |
| service.mLeAudioCallbacks.unregister(callback); |
| receiver.send(null); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void registerLeBroadcastCallback(IBluetoothLeBroadcastCallback callback, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| LeAudioService service = getService(source); |
| if ((service == null) || (service.mBroadcastCallbacks == null)) { |
| receiver.propagateException(new IllegalStateException("Service is unavailable")); |
| return; |
| } |
| |
| enforceBluetoothPrivilegedPermission(service); |
| try { |
| service.mBroadcastCallbacks.register(callback); |
| receiver.send(null); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void unregisterLeBroadcastCallback(IBluetoothLeBroadcastCallback callback, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| LeAudioService service = getService(source); |
| if ((service == null) || (service.mBroadcastCallbacks == null)) { |
| receiver.propagateException(new IllegalStateException("Service is unavailable")); |
| return; |
| } |
| |
| enforceBluetoothPrivilegedPermission(service); |
| try { |
| service.mBroadcastCallbacks.unregister(callback); |
| receiver.send(null); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void startBroadcast(BluetoothLeAudioContentMetadata contentMetadata, |
| byte[] broadcastCode, AttributionSource source) { |
| LeAudioService service = getService(source); |
| if (service != null) { |
| service.createBroadcast(contentMetadata, broadcastCode); |
| } |
| } |
| |
| @Override |
| public void stopBroadcast(int broadcastId, AttributionSource source) { |
| LeAudioService service = getService(source); |
| if (service != null) { |
| Optional<Integer> instanceId = service.mBroadcastIdMap.entrySet() |
| .stream() |
| .filter(entry -> Objects.equals(entry.getValue(), broadcastId)) |
| .map(Map.Entry::getKey) |
| .findFirst(); |
| if (instanceId.isPresent()) { |
| service.stopBroadcast(instanceId.get()); |
| } |
| } |
| } |
| |
| @Override |
| public void updateBroadcast(int broadcastId, |
| BluetoothLeAudioContentMetadata contentMetadata, AttributionSource source) { |
| LeAudioService service = getService(source); |
| if (service != null) { |
| Optional<Integer> instanceId = service.mBroadcastIdMap.entrySet() |
| .stream() |
| .filter(entry -> Objects.equals(entry.getValue(), broadcastId)) |
| .map(Map.Entry::getKey) |
| .findFirst(); |
| if (instanceId.isPresent()) { |
| service.updateBroadcast(instanceId.get(), contentMetadata); |
| } |
| } |
| } |
| |
| @Override |
| public void isPlaying(int broadcastId, AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| boolean defaultValue = false; |
| LeAudioService service = getService(source); |
| if (service != null) { |
| Optional<Integer> instanceId = service.mBroadcastIdMap.entrySet() |
| .stream() |
| .filter(entry -> Objects.equals(entry.getValue(), broadcastId)) |
| .map(Map.Entry::getKey) |
| .findFirst(); |
| if (instanceId.isPresent()) { |
| defaultValue = service.isPlaying(instanceId.get()); |
| } |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getAllBroadcastMetadata(AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| List<BluetoothLeBroadcastMetadata> defaultValue = new ArrayList<>(); |
| LeAudioService service = getService(source); |
| if (service != null) { |
| defaultValue = service.getAllBroadcastMetadata(); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getMaximumNumberOfBroadcasts(AttributionSource source, |
| SynchronousResultReceiver receiver) { |
| try { |
| int defaultValue = 0; |
| LeAudioService service = getService(source); |
| if (service != null) { |
| defaultValue = service.getMaximumNumberOfBroadcasts(); |
| } |
| receiver.send(defaultValue); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void getCodecStatus(int groupId, |
| AttributionSource source, SynchronousResultReceiver receiver) { |
| try { |
| LeAudioService service = getService(source); |
| BluetoothLeAudioCodecStatus codecStatus = null; |
| if (service != null) { |
| enforceBluetoothPrivilegedPermission(service); |
| codecStatus = service.getCodecStatus(groupId); |
| } |
| receiver.send(codecStatus); |
| } catch (RuntimeException e) { |
| receiver.propagateException(e); |
| } |
| } |
| |
| @Override |
| public void setCodecConfigPreference(int groupId, |
| BluetoothLeAudioCodecConfig inputCodecConfig, |
| BluetoothLeAudioCodecConfig outputCodecConfig, |
| AttributionSource source) { |
| LeAudioService service = getService(source); |
| if (service == null) { |
| return; |
| } |
| |
| enforceBluetoothPrivilegedPermission(service); |
| service.setCodecConfigPreference(groupId, inputCodecConfig, outputCodecConfig); |
| } |
| } |
| |
| @Override |
| public void dump(StringBuilder sb) { |
| super.dump(sb); |
| ProfileService.println(sb, "State machines: "); |
| for (LeAudioStateMachine sm : mStateMachines.values()) { |
| sm.dump(sb); |
| } |
| ProfileService.println(sb, "Active Groups information: "); |
| ProfileService.println(sb, " currentlyActiveGroupId: " + getActiveGroupId()); |
| ProfileService.println(sb, " mActiveAudioOutDevice: " + mActiveAudioOutDevice); |
| ProfileService.println(sb, " mActiveAudioInDevice: " + mActiveAudioInDevice); |
| |
| for (Map.Entry<Integer, LeAudioGroupDescriptor> entry : mGroupDescriptors.entrySet()) { |
| LeAudioGroupDescriptor descriptor = entry.getValue(); |
| Integer groupId = entry.getKey(); |
| ProfileService.println(sb, " Group: " + groupId); |
| ProfileService.println(sb, " isActive: " + descriptor.mIsActive); |
| ProfileService.println(sb, " isConnected: " + descriptor.mIsConnected); |
| ProfileService.println(sb, " mActiveContexts: " + descriptor.mActiveContexts); |
| ProfileService.println(sb, " group lead: " + getFirstDeviceFromGroup(groupId)); |
| } |
| } |
| } |
