blob: 2b8d6a33bb1b1aae0a91e6aae4fc60394a92940a [file] [log] [blame]
/*
* Copyright 2019 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.server.audio;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.media.AudioAttributes;
import android.media.AudioDeviceAttributes;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.media.AudioRoutesInfo;
import android.media.AudioSystem;
import android.media.BluetoothProfileConnectionInfo;
import android.media.IAudioRoutesObserver;
import android.media.ICapturePresetDevicesRoleDispatcher;
import android.media.ICommunicationDeviceDispatcher;
import android.media.IStrategyPreferredDevicesDispatcher;
import android.media.MediaMetrics;
import android.media.audiopolicy.AudioProductStrategy;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.PowerManager;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.util.PrintWriterPrinter;
import com.android.internal.annotations.GuardedBy;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicBoolean;
/** @hide */
/*package*/ final class AudioDeviceBroker {
private static final String TAG = "AS.AudioDeviceBroker";
private static final long BROKER_WAKELOCK_TIMEOUT_MS = 5000; //5s
/*package*/ static final int BTA2DP_DOCK_TIMEOUT_MS = 8000;
// Timeout for connection to bluetooth headset service
/*package*/ static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000;
// Delay before checking it music should be unmuted after processing an A2DP message
private static final int BTA2DP_MUTE_CHECK_DELAY_MS = 100;
private final @NonNull AudioService mAudioService;
private final @NonNull Context mContext;
/** ID for Communication strategy retrieved form audio policy manager */
private int mCommunicationStrategyId = -1;
/** ID for Accessibility strategy retrieved form audio policy manager */
private int mAccessibilityStrategyId = -1;
/** Active communication device reported by audio policy manager */
private AudioDeviceInfo mActiveCommunicationDevice;
/** Last preferred device set for communication strategy */
private AudioDeviceAttributes mPreferredCommunicationDevice;
// Manages all connected devices, only ever accessed on the message loop
private final AudioDeviceInventory mDeviceInventory;
// Manages notifications to BT service
private final BtHelper mBtHelper;
// Adapter for system_server-reserved operations
private final SystemServerAdapter mSystemServer;
//-------------------------------------------------------------------
// we use a different lock than mDeviceStateLock so as not to create
// lock contention between enqueueing a message and handling them
private static final Object sLastDeviceConnectionMsgTimeLock = new Object();
@GuardedBy("sLastDeviceConnectionMsgTimeLock")
private static long sLastDeviceConnectMsgTime = 0;
// General lock to be taken whenever the state of the audio devices is to be checked or changed
private final Object mDeviceStateLock = new Object();
// Request to override default use of A2DP for media.
@GuardedBy("mDeviceStateLock")
private boolean mBluetoothA2dpEnabled;
// lock always taken when accessing AudioService.mSetModeDeathHandlers
// TODO do not "share" the lock between AudioService and BtHelpr, see b/123769055
/*package*/ final Object mSetModeLock = new Object();
/** PID of current audio mode owner communicated by AudioService */
private int mModeOwnerPid = 0;
//-------------------------------------------------------------------
/*package*/ AudioDeviceBroker(@NonNull Context context, @NonNull AudioService service) {
mContext = context;
mAudioService = service;
mBtHelper = new BtHelper(this);
mDeviceInventory = new AudioDeviceInventory(this);
mSystemServer = SystemServerAdapter.getDefaultAdapter(mContext);
init();
}
/** for test purposes only, inject AudioDeviceInventory and adapter for operations running
* in system_server */
AudioDeviceBroker(@NonNull Context context, @NonNull AudioService service,
@NonNull AudioDeviceInventory mockDeviceInventory,
@NonNull SystemServerAdapter mockSystemServer) {
mContext = context;
mAudioService = service;
mBtHelper = new BtHelper(this);
mDeviceInventory = mockDeviceInventory;
mSystemServer = mockSystemServer;
init();
}
private void initRoutingStrategyIds() {
List<AudioProductStrategy> strategies = AudioProductStrategy.getAudioProductStrategies();
mCommunicationStrategyId = -1;
mAccessibilityStrategyId = -1;
for (AudioProductStrategy strategy : strategies) {
if (mCommunicationStrategyId == -1
&& strategy.getAudioAttributesForLegacyStreamType(
AudioSystem.STREAM_VOICE_CALL) != null) {
mCommunicationStrategyId = strategy.getId();
}
if (mAccessibilityStrategyId == -1
&& strategy.getAudioAttributesForLegacyStreamType(
AudioSystem.STREAM_ACCESSIBILITY) != null) {
mAccessibilityStrategyId = strategy.getId();
}
}
}
private void init() {
setupMessaging(mContext);
initRoutingStrategyIds();
mPreferredCommunicationDevice = null;
updateActiveCommunicationDevice();
mSystemServer.registerUserStartedReceiver(mContext);
}
/*package*/ Context getContext() {
return mContext;
}
//---------------------------------------------------------------------
// Communication from AudioService
// All methods are asynchronous and never block
// All permission checks are done in AudioService, all incoming calls are considered "safe"
// All post* methods are asynchronous
/*package*/ void onSystemReady() {
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mModeOwnerPid = mAudioService.getModeOwnerPid();
mBtHelper.onSystemReady();
}
}
}
/*package*/ void onAudioServerDied() {
// restore devices
sendMsgNoDelay(MSG_RESTORE_DEVICES, SENDMSG_REPLACE);
}
/*package*/ void setForceUse_Async(int useCase, int config, String eventSource) {
sendIILMsgNoDelay(MSG_IIL_SET_FORCE_USE, SENDMSG_QUEUE,
useCase, config, eventSource);
}
/*package*/ void toggleHdmiIfConnected_Async() {
sendMsgNoDelay(MSG_TOGGLE_HDMI, SENDMSG_QUEUE);
}
/*package*/ void disconnectAllBluetoothProfiles() {
synchronized (mDeviceStateLock) {
mBtHelper.disconnectAllBluetoothProfiles();
}
}
/**
* Handle BluetoothHeadset intents where the action is one of
* {@link BluetoothHeadset#ACTION_ACTIVE_DEVICE_CHANGED} or
* {@link BluetoothHeadset#ACTION_AUDIO_STATE_CHANGED}.
* @param intent
*/
/*package*/ void receiveBtEvent(@NonNull Intent intent) {
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mBtHelper.receiveBtEvent(intent);
}
}
}
/*package*/ void setBluetoothA2dpOn_Async(boolean on, String source) {
synchronized (mDeviceStateLock) {
if (mBluetoothA2dpEnabled == on) {
return;
}
mBluetoothA2dpEnabled = on;
mBrokerHandler.removeMessages(MSG_IIL_SET_FORCE_BT_A2DP_USE);
sendIILMsgNoDelay(MSG_IIL_SET_FORCE_BT_A2DP_USE, SENDMSG_QUEUE,
AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP,
source);
}
}
/**
* Turns speakerphone on/off
* @param on
* @param eventSource for logging purposes
*/
/*package*/ void setSpeakerphoneOn(IBinder cb, int pid, boolean on, String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "setSpeakerphoneOn, on: " + on + " pid: " + pid);
}
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
AudioDeviceAttributes device = null;
if (on) {
device = new AudioDeviceAttributes(AudioSystem.DEVICE_OUT_SPEAKER, "");
} else {
CommunicationRouteClient client = getCommunicationRouteClientForPid(pid);
if (client == null || !client.requestsSpeakerphone()) {
return;
}
}
postSetCommunicationRouteForClient(new CommunicationClientInfo(
cb, pid, device, BtHelper.SCO_MODE_UNDEFINED, eventSource));
}
}
}
/**
* Select device for use for communication use cases.
* @param cb Client binder for death detection
* @param pid Client pid
* @param device Device selected or null to unselect.
* @param eventSource for logging purposes
*/
/*package*/ boolean setCommunicationDevice(
IBinder cb, int pid, AudioDeviceInfo device, String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "setCommunicationDevice, device: " + device + ", pid: " + pid);
}
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
AudioDeviceAttributes deviceAttr = null;
if (device != null) {
deviceAttr = new AudioDeviceAttributes(device);
} else {
CommunicationRouteClient client = getCommunicationRouteClientForPid(pid);
if (client == null) {
return false;
}
}
postSetCommunicationRouteForClient(new CommunicationClientInfo(
cb, pid, deviceAttr, BtHelper.SCO_MODE_UNDEFINED, eventSource));
}
}
return true;
}
@GuardedBy("mDeviceStateLock")
/*package*/ void setCommunicationRouteForClient(
IBinder cb, int pid, AudioDeviceAttributes device,
int scoAudioMode, String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "setCommunicationRouteForClient: device: " + device);
}
AudioService.sDeviceLogger.log((new AudioEventLogger.StringEvent(
"setCommunicationRouteForClient for pid: " + pid
+ " device: " + device
+ " from API: " + eventSource)).printLog(TAG));
final boolean wasBtScoRequested = isBluetoothScoRequested();
CommunicationRouteClient client;
// Save previous client route in case of failure to start BT SCO audio
AudioDeviceAttributes prevClientDevice = null;
client = getCommunicationRouteClientForPid(pid);
if (client != null) {
prevClientDevice = client.getDevice();
}
if (device != null) {
client = addCommunicationRouteClient(cb, pid, device);
if (client == null) {
Log.w(TAG, "setCommunicationRouteForClient: could not add client for pid: "
+ pid + " and device: " + device);
}
} else {
client = removeCommunicationRouteClient(cb, true);
}
if (client == null) {
return;
}
boolean isBtScoRequested = isBluetoothScoRequested();
if (isBtScoRequested && (!wasBtScoRequested || !isBluetoothScoActive())) {
if (!mBtHelper.startBluetoothSco(scoAudioMode, eventSource)) {
Log.w(TAG, "setCommunicationRouteForClient: failure to start BT SCO for pid: "
+ pid);
// clean up or restore previous client selection
if (prevClientDevice != null) {
addCommunicationRouteClient(cb, pid, prevClientDevice);
} else {
removeCommunicationRouteClient(cb, true);
}
postBroadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
} else if (!isBtScoRequested && wasBtScoRequested) {
mBtHelper.stopBluetoothSco(eventSource);
}
sendLMsgNoDelay(MSG_L_UPDATE_COMMUNICATION_ROUTE, SENDMSG_QUEUE, eventSource);
}
/**
* Returns the communication client with the highest priority:
* - 1) the client which is currently also controlling the audio mode
* - 2) the first client in the stack if there is no audio mode owner
* - 3) no client otherwise
* @return CommunicationRouteClient the client driving the communication use case routing.
*/
@GuardedBy("mDeviceStateLock")
private CommunicationRouteClient topCommunicationRouteClient() {
for (CommunicationRouteClient crc : mCommunicationRouteClients) {
if (crc.getPid() == mModeOwnerPid) {
return crc;
}
}
if (!mCommunicationRouteClients.isEmpty() && mModeOwnerPid == 0) {
return mCommunicationRouteClients.get(0);
}
return null;
}
/**
* Returns the device currently requested for communication use case.
* Use the device requested by the communication route client selected by
* {@link #topCommunicationRouteClient()} if any or none otherwise.
* @return AudioDeviceAttributes the requested device for communication.
*/
@GuardedBy("mDeviceStateLock")
private AudioDeviceAttributes requestedCommunicationDevice() {
CommunicationRouteClient crc = topCommunicationRouteClient();
AudioDeviceAttributes device = crc != null ? crc.getDevice() : null;
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "requestedCommunicationDevice, device: "
+ device + " mode owner pid: " + mModeOwnerPid);
}
return device;
}
/**
* Returns the device currently requested for communication use case.
* @return AudioDeviceInfo the requested device for communication.
*/
/* package */ AudioDeviceInfo getCommunicationDevice() {
synchronized (mDeviceStateLock) {
updateActiveCommunicationDevice();
return mActiveCommunicationDevice;
}
}
/**
* Updates currently active communication device (mActiveCommunicationDevice).
*/
@GuardedBy("mDeviceStateLock")
void updateActiveCommunicationDevice() {
AudioDeviceAttributes device = preferredCommunicationDevice();
if (device == null) {
AudioAttributes attr =
AudioProductStrategy.getAudioAttributesForStrategyWithLegacyStreamType(
AudioSystem.STREAM_VOICE_CALL);
List<AudioDeviceAttributes> devices = AudioSystem.getDevicesForAttributes(
attr, false /* forVolume */);
if (devices.isEmpty()) {
if (mAudioService.isPlatformVoice()) {
Log.w(TAG,
"updateActiveCommunicationDevice(): no device for phone strategy");
}
mActiveCommunicationDevice = null;
return;
}
device = devices.get(0);
}
mActiveCommunicationDevice = AudioManager.getDeviceInfoFromTypeAndAddress(
device.getType(), device.getAddress());
}
/**
* Indicates if the device which type is passed as argument is currently resquested to be used
* for communication.
* @param deviceType the device type the query applies to.
* @return true if this device type is requested for communication.
*/
private boolean isDeviceRequestedForCommunication(int deviceType) {
synchronized (mDeviceStateLock) {
AudioDeviceAttributes device = requestedCommunicationDevice();
return device != null && device.getType() == deviceType;
}
}
/**
* Indicates if the device which type is passed as argument is currently either resquested
* to be used for communication or selected for an other reason (e.g bluetooth SCO audio
* is active for SCO device).
* @param deviceType the device type the query applies to.
* @return true if this device type is requested for communication.
*/
private boolean isDeviceOnForCommunication(int deviceType) {
synchronized (mDeviceStateLock) {
AudioDeviceAttributes device = preferredCommunicationDevice();
return device != null && device.getType() == deviceType;
}
}
/**
* Indicates if the device which type is passed as argument is active for communication.
* Active means not only currently used by audio policy manager for communication strategy
* but also explicitly requested for use by communication strategy.
* @param deviceType the device type the query applies to.
* @return true if this device type is requested for communication.
*/
private boolean isDeviceActiveForCommunication(int deviceType) {
return mActiveCommunicationDevice != null
&& mActiveCommunicationDevice.getType() == deviceType
&& mPreferredCommunicationDevice != null
&& mPreferredCommunicationDevice.getType() == deviceType;
}
/**
* Helper method on top of isDeviceRequestedForCommunication() indicating if
* speakerphone ON is currently requested or not.
* @return true if speakerphone ON requested, false otherwise.
*/
private boolean isSpeakerphoneRequested() {
return isDeviceRequestedForCommunication(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);
}
/**
* Indicates if preferred route selection for communication is speakerphone.
* @return true if speakerphone is active, false otherwise.
*/
/*package*/ boolean isSpeakerphoneOn() {
return isDeviceOnForCommunication(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);
}
private boolean isSpeakerphoneActive() {
return isDeviceActiveForCommunication(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);
}
/**
* Helper method on top of isDeviceRequestedForCommunication() indicating if
* Bluetooth SCO ON is currently requested or not.
* @return true if Bluetooth SCO ON is requested, false otherwise.
*/
/*package*/ boolean isBluetoothScoRequested() {
return isDeviceRequestedForCommunication(AudioDeviceInfo.TYPE_BLUETOOTH_SCO);
}
/**
* Indicates if preferred route selection for communication is Bluetooth SCO.
* @return true if Bluetooth SCO is preferred , false otherwise.
*/
/*package*/ boolean isBluetoothScoOn() {
return isDeviceOnForCommunication(AudioDeviceInfo.TYPE_BLUETOOTH_SCO);
}
/*package*/ boolean isBluetoothScoActive() {
return isDeviceActiveForCommunication(AudioDeviceInfo.TYPE_BLUETOOTH_SCO);
}
/*package*/ boolean isDeviceConnected(@NonNull AudioDeviceAttributes device) {
synchronized (mDeviceStateLock) {
return mDeviceInventory.isDeviceConnected(device);
}
}
/*package*/ void setWiredDeviceConnectionState(AudioDeviceAttributes attributes,
@AudioService.ConnectionState int state, String caller) {
//TODO move logging here just like in setBluetooth* methods
synchronized (mDeviceStateLock) {
mDeviceInventory.setWiredDeviceConnectionState(attributes, state, caller);
}
}
/*package*/ void setTestDeviceConnectionState(@NonNull AudioDeviceAttributes device,
@AudioService.ConnectionState int state) {
synchronized (mDeviceStateLock) {
mDeviceInventory.setTestDeviceConnectionState(device, state);
}
}
/*package*/ static final class BleVolumeInfo {
final int mIndex;
final int mMaxIndex;
final int mStreamType;
BleVolumeInfo(int index, int maxIndex, int streamType) {
mIndex = index;
mMaxIndex = maxIndex;
mStreamType = streamType;
}
};
/*package*/ static final class BtDeviceChangedData {
final @Nullable BluetoothDevice mNewDevice;
final @Nullable BluetoothDevice mPreviousDevice;
final @NonNull BluetoothProfileConnectionInfo mInfo;
final @NonNull String mEventSource;
BtDeviceChangedData(@Nullable BluetoothDevice newDevice,
@Nullable BluetoothDevice previousDevice,
@NonNull BluetoothProfileConnectionInfo info, @NonNull String eventSource) {
mNewDevice = newDevice;
mPreviousDevice = previousDevice;
mInfo = info;
mEventSource = eventSource;
}
@Override
public String toString() {
return "BtDeviceChangedData profile=" + BluetoothProfile.getProfileName(
mInfo.getProfile())
+ ", switch device: [" + mPreviousDevice + "] -> [" + mNewDevice + "]";
}
}
/*package*/ static final class BtDeviceInfo {
final @NonNull BluetoothDevice mDevice;
final @AudioService.BtProfileConnectionState int mState;
final @AudioService.BtProfile int mProfile;
final boolean mSupprNoisy;
final int mVolume;
final boolean mIsLeOutput;
final @NonNull String mEventSource;
final @AudioSystem.AudioFormatNativeEnumForBtCodec int mCodec;
final int mAudioSystemDevice;
final int mMusicDevice;
BtDeviceInfo(@NonNull BtDeviceChangedData d, @NonNull BluetoothDevice device, int state,
int audioDevice, @AudioSystem.AudioFormatNativeEnumForBtCodec int codec) {
mDevice = device;
mState = state;
mProfile = d.mInfo.getProfile();
mSupprNoisy = d.mInfo.isSuppressNoisyIntent();
mVolume = d.mInfo.getVolume();
mIsLeOutput = d.mInfo.isLeOutput();
mEventSource = d.mEventSource;
mAudioSystemDevice = audioDevice;
mMusicDevice = AudioSystem.DEVICE_NONE;
mCodec = codec;
}
// constructor used by AudioDeviceBroker to search similar message
BtDeviceInfo(@NonNull BluetoothDevice device, int profile) {
mDevice = device;
mProfile = profile;
mEventSource = "";
mMusicDevice = AudioSystem.DEVICE_NONE;
mCodec = AudioSystem.AUDIO_FORMAT_DEFAULT;
mAudioSystemDevice = 0;
mState = 0;
mSupprNoisy = false;
mVolume = -1;
mIsLeOutput = false;
}
// constructor used by AudioDeviceInventory when config change failed
BtDeviceInfo(@NonNull BluetoothDevice device, int profile, int state, int musicDevice,
int audioSystemDevice) {
mDevice = device;
mProfile = profile;
mEventSource = "";
mMusicDevice = musicDevice;
mCodec = AudioSystem.AUDIO_FORMAT_DEFAULT;
mAudioSystemDevice = audioSystemDevice;
mState = state;
mSupprNoisy = false;
mVolume = -1;
mIsLeOutput = false;
}
// redefine equality op so we can match messages intended for this device
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (this == o) {
return true;
}
if (o instanceof BtDeviceInfo) {
return mProfile == ((BtDeviceInfo) o).mProfile
&& mDevice.equals(((BtDeviceInfo) o).mDevice);
}
return false;
}
}
BtDeviceInfo createBtDeviceInfo(@NonNull BtDeviceChangedData d, @NonNull BluetoothDevice device,
int state) {
int audioDevice;
int codec = AudioSystem.AUDIO_FORMAT_DEFAULT;
switch (d.mInfo.getProfile()) {
case BluetoothProfile.A2DP_SINK:
audioDevice = AudioSystem.DEVICE_IN_BLUETOOTH_A2DP;
break;
case BluetoothProfile.A2DP:
audioDevice = AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP;
synchronized (mDeviceStateLock) {
codec = mBtHelper.getA2dpCodec(device);
}
break;
case BluetoothProfile.HEARING_AID:
audioDevice = AudioSystem.DEVICE_OUT_HEARING_AID;
break;
case BluetoothProfile.LE_AUDIO:
if (d.mInfo.isLeOutput()) {
audioDevice = AudioSystem.DEVICE_OUT_BLE_HEADSET;
} else {
audioDevice = AudioSystem.DEVICE_IN_BLE_HEADSET;
}
break;
case BluetoothProfile.LE_AUDIO_BROADCAST:
audioDevice = AudioSystem.DEVICE_OUT_BLE_BROADCAST;
break;
default: throw new IllegalArgumentException("Invalid profile " + d.mInfo.getProfile());
}
return new BtDeviceInfo(d, device, state, audioDevice, codec);
}
private void btMediaMetricRecord(@NonNull BluetoothDevice device, String state,
@NonNull BtDeviceChangedData data) {
final String name = TextUtils.emptyIfNull(device.getName());
new MediaMetrics.Item(MediaMetrics.Name.AUDIO_DEVICE + MediaMetrics.SEPARATOR
+ "queueOnBluetoothActiveDeviceChanged")
.set(MediaMetrics.Property.STATE, state)
.set(MediaMetrics.Property.STATUS, data.mInfo.getProfile())
.set(MediaMetrics.Property.NAME, name)
.record();
}
/**
* will block on mDeviceStateLock, which is held during an A2DP (dis) connection
* not just a simple message post
* @param info struct with the (dis)connection information
*/
/*package*/ void queueOnBluetoothActiveDeviceChanged(@NonNull BtDeviceChangedData data) {
if (data.mInfo.getProfile() == BluetoothProfile.A2DP && data.mPreviousDevice != null
&& data.mPreviousDevice.equals(data.mNewDevice)) {
final String name = TextUtils.emptyIfNull(data.mNewDevice.getName());
new MediaMetrics.Item(MediaMetrics.Name.AUDIO_DEVICE + MediaMetrics.SEPARATOR
+ "queueOnBluetoothActiveDeviceChanged_update")
.set(MediaMetrics.Property.NAME, name)
.set(MediaMetrics.Property.STATUS, data.mInfo.getProfile())
.record();
synchronized (mDeviceStateLock) {
postBluetoothA2dpDeviceConfigChange(data.mNewDevice);
}
} else {
synchronized (mDeviceStateLock) {
if (data.mPreviousDevice != null) {
btMediaMetricRecord(data.mPreviousDevice, MediaMetrics.Value.DISCONNECTED,
data);
sendLMsgNoDelay(MSG_L_BT_ACTIVE_DEVICE_CHANGE_EXT, SENDMSG_QUEUE,
createBtDeviceInfo(data, data.mPreviousDevice,
BluetoothProfile.STATE_DISCONNECTED));
}
if (data.mNewDevice != null) {
btMediaMetricRecord(data.mNewDevice, MediaMetrics.Value.CONNECTED, data);
sendLMsgNoDelay(MSG_L_BT_ACTIVE_DEVICE_CHANGE_EXT, SENDMSG_QUEUE,
createBtDeviceInfo(data, data.mNewDevice,
BluetoothProfile.STATE_CONNECTED));
}
}
}
}
/**
* Current Bluetooth SCO audio active state indicated by BtHelper via setBluetoothScoOn().
*/
private boolean mBluetoothScoOn;
/*package*/ void setBluetoothScoOn(boolean on, String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "setBluetoothScoOn: " + on + " " + eventSource);
}
synchronized (mDeviceStateLock) {
mBluetoothScoOn = on;
postUpdateCommunicationRouteClient(eventSource);
}
}
/*package*/ AudioRoutesInfo startWatchingRoutes(IAudioRoutesObserver observer) {
synchronized (mDeviceStateLock) {
return mDeviceInventory.startWatchingRoutes(observer);
}
}
/*package*/ AudioRoutesInfo getCurAudioRoutes() {
synchronized (mDeviceStateLock) {
return mDeviceInventory.getCurAudioRoutes();
}
}
/*package*/ boolean isAvrcpAbsoluteVolumeSupported() {
synchronized (mDeviceStateLock) {
return mBtHelper.isAvrcpAbsoluteVolumeSupported();
}
}
/*package*/ boolean isBluetoothA2dpOn() {
synchronized (mDeviceStateLock) {
return mBluetoothA2dpEnabled;
}
}
/*package*/ void postSetAvrcpAbsoluteVolumeIndex(int index) {
sendIMsgNoDelay(MSG_I_SET_AVRCP_ABSOLUTE_VOLUME, SENDMSG_REPLACE, index);
}
/*package*/ void postSetHearingAidVolumeIndex(int index, int streamType) {
sendIIMsgNoDelay(MSG_II_SET_HEARING_AID_VOLUME, SENDMSG_REPLACE, index, streamType);
}
/*package*/ void postSetLeAudioVolumeIndex(int index, int maxIndex, int streamType) {
BleVolumeInfo info = new BleVolumeInfo(index, maxIndex, streamType);
sendLMsgNoDelay(MSG_II_SET_LE_AUDIO_OUT_VOLUME, SENDMSG_REPLACE, info);
}
/*package*/ void postSetModeOwnerPid(int pid, int mode) {
sendIIMsgNoDelay(MSG_I_SET_MODE_OWNER_PID, SENDMSG_REPLACE, pid, mode);
}
/*package*/ void postBluetoothA2dpDeviceConfigChange(@NonNull BluetoothDevice device) {
sendLMsgNoDelay(MSG_L_A2DP_DEVICE_CONFIG_CHANGE, SENDMSG_QUEUE, device);
}
/*package*/ void startBluetoothScoForClient(IBinder cb, int pid, int scoAudioMode,
@NonNull String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "startBluetoothScoForClient_Sync, pid: " + pid);
}
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
AudioDeviceAttributes device =
new AudioDeviceAttributes(AudioSystem.DEVICE_OUT_BLUETOOTH_SCO, "");
postSetCommunicationRouteForClient(new CommunicationClientInfo(
cb, pid, device, scoAudioMode, eventSource));
}
}
}
/*package*/ void stopBluetoothScoForClient(
IBinder cb, int pid, @NonNull String eventSource) {
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "stopBluetoothScoForClient_Sync, pid: " + pid);
}
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
CommunicationRouteClient client = getCommunicationRouteClientForPid(pid);
if (client == null || !client.requestsBluetoothSco()) {
return;
}
postSetCommunicationRouteForClient(new CommunicationClientInfo(
cb, pid, null, BtHelper.SCO_MODE_UNDEFINED, eventSource));
}
}
}
/*package*/ int setPreferredDevicesForStrategySync(int strategy,
@NonNull List<AudioDeviceAttributes> devices) {
return mDeviceInventory.setPreferredDevicesForStrategySync(strategy, devices);
}
/*package*/ int removePreferredDevicesForStrategySync(int strategy) {
return mDeviceInventory.removePreferredDevicesForStrategySync(strategy);
}
/*package*/ void registerStrategyPreferredDevicesDispatcher(
@NonNull IStrategyPreferredDevicesDispatcher dispatcher) {
mDeviceInventory.registerStrategyPreferredDevicesDispatcher(dispatcher);
}
/*package*/ void unregisterStrategyPreferredDevicesDispatcher(
@NonNull IStrategyPreferredDevicesDispatcher dispatcher) {
mDeviceInventory.unregisterStrategyPreferredDevicesDispatcher(dispatcher);
}
/*package*/ int setPreferredDevicesForCapturePresetSync(int capturePreset,
@NonNull List<AudioDeviceAttributes> devices) {
return mDeviceInventory.setPreferredDevicesForCapturePresetSync(capturePreset, devices);
}
/*package*/ int clearPreferredDevicesForCapturePresetSync(int capturePreset) {
return mDeviceInventory.clearPreferredDevicesForCapturePresetSync(capturePreset);
}
/*package*/ void registerCapturePresetDevicesRoleDispatcher(
@NonNull ICapturePresetDevicesRoleDispatcher dispatcher) {
mDeviceInventory.registerCapturePresetDevicesRoleDispatcher(dispatcher);
}
/*package*/ void unregisterCapturePresetDevicesRoleDispatcher(
@NonNull ICapturePresetDevicesRoleDispatcher dispatcher) {
mDeviceInventory.unregisterCapturePresetDevicesRoleDispatcher(dispatcher);
}
/*package*/ void registerCommunicationDeviceDispatcher(
@NonNull ICommunicationDeviceDispatcher dispatcher) {
mCommDevDispatchers.register(dispatcher);
}
/*package*/ void unregisterCommunicationDeviceDispatcher(
@NonNull ICommunicationDeviceDispatcher dispatcher) {
mCommDevDispatchers.unregister(dispatcher);
}
// Monitoring of communication device
final RemoteCallbackList<ICommunicationDeviceDispatcher> mCommDevDispatchers =
new RemoteCallbackList<ICommunicationDeviceDispatcher>();
// portId of the device currently selected for communication: avoids broadcasting changes
// when same communication route is applied
@GuardedBy("mDeviceStateLock")
int mCurCommunicationPortId = -1;
@GuardedBy("mDeviceStateLock")
private void dispatchCommunicationDevice() {
int portId = (mActiveCommunicationDevice == null) ? 0
: mActiveCommunicationDevice.getId();
if (portId == mCurCommunicationPortId) {
return;
}
mCurCommunicationPortId = portId;
final int nbDispatchers = mCommDevDispatchers.beginBroadcast();
for (int i = 0; i < nbDispatchers; i++) {
try {
mCommDevDispatchers.getBroadcastItem(i)
.dispatchCommunicationDeviceChanged(portId);
} catch (RemoteException e) {
}
}
mCommDevDispatchers.finishBroadcast();
}
//---------------------------------------------------------------------
// Communication with (to) AudioService
//TODO check whether the AudioService methods are candidates to move here
/*package*/ void postAccessoryPlugMediaUnmute(int device) {
mAudioService.postAccessoryPlugMediaUnmute(device);
}
/*package*/ int getVssVolumeForDevice(int streamType, int device) {
return mAudioService.getVssVolumeForDevice(streamType, device);
}
/*package*/ int getMaxVssVolumeForStream(int streamType) {
return mAudioService.getMaxVssVolumeForStream(streamType);
}
/*package*/ int getDeviceForStream(int streamType) {
return mAudioService.getDeviceForStream(streamType);
}
/*package*/ void postApplyVolumeOnDevice(int streamType, int device, String caller) {
mAudioService.postApplyVolumeOnDevice(streamType, device, caller);
}
/*package*/ void postSetVolumeIndexOnDevice(int streamType, int vssVolIndex, int device,
String caller) {
mAudioService.postSetVolumeIndexOnDevice(streamType, vssVolIndex, device, caller);
}
/*packages*/ void postObserveDevicesForAllStreams() {
mAudioService.postObserveDevicesForAllStreams();
}
/*package*/ boolean isInCommunication() {
return mAudioService.isInCommunication();
}
/*package*/ boolean hasMediaDynamicPolicy() {
return mAudioService.hasMediaDynamicPolicy();
}
/*package*/ ContentResolver getContentResolver() {
return mAudioService.getContentResolver();
}
/*package*/ void checkMusicActive(int deviceType, String caller) {
mAudioService.checkMusicActive(deviceType, caller);
}
/*package*/ void checkVolumeCecOnHdmiConnection(
@AudioService.ConnectionState int state, String caller) {
mAudioService.postCheckVolumeCecOnHdmiConnection(state, caller);
}
/*package*/ boolean hasAudioFocusUsers() {
return mAudioService.hasAudioFocusUsers();
}
//---------------------------------------------------------------------
// Message handling on behalf of helper classes
/*package*/ void postBroadcastScoConnectionState(int state) {
sendIMsgNoDelay(MSG_I_BROADCAST_BT_CONNECTION_STATE, SENDMSG_QUEUE, state);
}
/*package*/ void postBroadcastBecomingNoisy() {
sendMsgNoDelay(MSG_BROADCAST_AUDIO_BECOMING_NOISY, SENDMSG_REPLACE);
}
@GuardedBy("mDeviceStateLock")
/*package*/ void postBluetoothActiveDevice(BtDeviceInfo info, int delay) {
sendLMsg(MSG_L_SET_BT_ACTIVE_DEVICE, SENDMSG_QUEUE, info, delay);
}
/*package*/ void postSetWiredDeviceConnectionState(
AudioDeviceInventory.WiredDeviceConnectionState connectionState, int delay) {
sendLMsg(MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE, SENDMSG_QUEUE, connectionState, delay);
}
/*package*/ void postBtProfileDisconnected(int profile) {
sendIMsgNoDelay(MSG_I_BT_SERVICE_DISCONNECTED_PROFILE, SENDMSG_QUEUE, profile);
}
/*package*/ void postBtProfileConnected(int profile, BluetoothProfile proxy) {
sendILMsgNoDelay(MSG_IL_BT_SERVICE_CONNECTED_PROFILE, SENDMSG_QUEUE, profile, proxy);
}
/*package*/ void postCommunicationRouteClientDied(CommunicationRouteClient client) {
sendLMsgNoDelay(MSG_L_COMMUNICATION_ROUTE_CLIENT_DIED, SENDMSG_QUEUE, client);
}
/*package*/ void postSaveSetPreferredDevicesForStrategy(int strategy,
List<AudioDeviceAttributes> devices)
{
sendILMsgNoDelay(MSG_IL_SAVE_PREF_DEVICES_FOR_STRATEGY, SENDMSG_QUEUE, strategy, devices);
}
/*package*/ void postSaveRemovePreferredDevicesForStrategy(int strategy) {
sendIMsgNoDelay(MSG_I_SAVE_REMOVE_PREF_DEVICES_FOR_STRATEGY, SENDMSG_QUEUE, strategy);
}
/*package*/ void postSaveSetPreferredDevicesForCapturePreset(
int capturePreset, List<AudioDeviceAttributes> devices) {
sendILMsgNoDelay(
MSG_IL_SAVE_PREF_DEVICES_FOR_CAPTURE_PRESET, SENDMSG_QUEUE, capturePreset, devices);
}
/*package*/ void postSaveClearPreferredDevicesForCapturePreset(int capturePreset) {
sendIMsgNoDelay(
MSG_I_SAVE_CLEAR_PREF_DEVICES_FOR_CAPTURE_PRESET, SENDMSG_QUEUE, capturePreset);
}
/*package*/ void postUpdateCommunicationRouteClient(String eventSource) {
sendLMsgNoDelay(MSG_L_UPDATE_COMMUNICATION_ROUTE_CLIENT, SENDMSG_QUEUE, eventSource);
}
/*package*/ void postSetCommunicationRouteForClient(CommunicationClientInfo info) {
sendLMsgNoDelay(MSG_L_SET_COMMUNICATION_ROUTE_FOR_CLIENT, SENDMSG_QUEUE, info);
}
/*package*/ void postScoAudioStateChanged(int state) {
sendIMsgNoDelay(MSG_I_SCO_AUDIO_STATE_CHANGED, SENDMSG_QUEUE, state);
}
/*package*/ static final class CommunicationClientInfo {
final @NonNull IBinder mCb;
final int mPid;
final @NonNull AudioDeviceAttributes mDevice;
final int mScoAudioMode;
final @NonNull String mEventSource;
CommunicationClientInfo(@NonNull IBinder cb, int pid, @NonNull AudioDeviceAttributes device,
int scoAudioMode, @NonNull String eventSource) {
mCb = cb;
mPid = pid;
mDevice = device;
mScoAudioMode = scoAudioMode;
mEventSource = eventSource;
}
// redefine equality op so we can match messages intended for this client
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (this == o) {
return true;
}
if (!(o instanceof CommunicationClientInfo)) {
return false;
}
return mCb.equals(((CommunicationClientInfo) o).mCb)
&& mPid == ((CommunicationClientInfo) o).mPid;
}
@Override
public String toString() {
return "CommunicationClientInfo mCb=" + mCb.toString()
+"mPid=" + mPid
+"mDevice=" + mDevice.toString()
+"mScoAudioMode=" + mScoAudioMode
+"mEventSource=" + mEventSource;
}
}
//---------------------------------------------------------------------
// Method forwarding between the helper classes (BtHelper, AudioDeviceInventory)
// only call from a "handle"* method or "on"* method
// Handles request to override default use of A2DP for media.
//@GuardedBy("mConnectedDevices")
/*package*/ void setBluetoothA2dpOnInt(boolean on, boolean fromA2dp, String source) {
// for logging only
final String eventSource = new StringBuilder("setBluetoothA2dpOn(").append(on)
.append(") from u/pid:").append(Binder.getCallingUid()).append("/")
.append(Binder.getCallingPid()).append(" src:").append(source).toString();
synchronized (mDeviceStateLock) {
mBluetoothA2dpEnabled = on;
mBrokerHandler.removeMessages(MSG_IIL_SET_FORCE_BT_A2DP_USE);
onSetForceUse(
AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP,
fromA2dp,
eventSource);
}
}
/*package*/ boolean handleDeviceConnection(AudioDeviceAttributes attributes, boolean connect) {
synchronized (mDeviceStateLock) {
return mDeviceInventory.handleDeviceConnection(attributes, connect, false /*for test*/);
}
}
/*package*/ void handleFailureToConnectToBtHeadsetService(int delay) {
sendMsg(MSG_BT_HEADSET_CNCT_FAILED, SENDMSG_REPLACE, delay);
}
/*package*/ void handleCancelFailureToConnectToBtHeadsetService() {
mBrokerHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED);
}
/*package*/ void postReportNewRoutes(boolean fromA2dp) {
sendMsgNoDelay(fromA2dp ? MSG_REPORT_NEW_ROUTES_A2DP : MSG_REPORT_NEW_ROUTES, SENDMSG_NOOP);
}
// must be called synchronized on mConnectedDevices
/*package*/ boolean hasScheduledA2dpConnection(BluetoothDevice btDevice) {
final BtDeviceInfo devInfoToCheck = new BtDeviceInfo(btDevice, BluetoothProfile.A2DP);
return mBrokerHandler.hasEqualMessages(MSG_L_SET_BT_ACTIVE_DEVICE, devInfoToCheck);
}
/*package*/ void setA2dpTimeout(String address, int a2dpCodec, int delayMs) {
sendILMsg(MSG_IL_BTA2DP_TIMEOUT, SENDMSG_QUEUE, a2dpCodec, address, delayMs);
}
/*package*/ void setAvrcpAbsoluteVolumeSupported(boolean supported) {
synchronized (mDeviceStateLock) {
mBtHelper.setAvrcpAbsoluteVolumeSupported(supported);
}
}
/*package*/ void clearAvrcpAbsoluteVolumeSupported() {
setAvrcpAbsoluteVolumeSupported(false);
mAudioService.setAvrcpAbsoluteVolumeSupported(false);
}
/*package*/ boolean getBluetoothA2dpEnabled() {
synchronized (mDeviceStateLock) {
return mBluetoothA2dpEnabled;
}
}
/*package*/ void broadcastStickyIntentToCurrentProfileGroup(Intent intent) {
mSystemServer.broadcastStickyIntentToCurrentProfileGroup(intent);
}
/*package*/ void dump(PrintWriter pw, String prefix) {
if (mBrokerHandler != null) {
pw.println(prefix + "Message handler (watch for unhandled messages):");
mBrokerHandler.dump(new PrintWriterPrinter(pw), prefix + " ");
} else {
pw.println("Message handler is null");
}
mDeviceInventory.dump(pw, prefix);
pw.println("\n" + prefix + "Communication route clients:");
mCommunicationRouteClients.forEach((cl) -> {
pw.println(" " + prefix + "pid: " + cl.getPid() + " device: "
+ cl.getDevice() + " cb: " + cl.getBinder()); });
pw.println("\n" + prefix + "Computed Preferred communication device: "
+ preferredCommunicationDevice());
pw.println("\n" + prefix + "Applied Preferred communication device: "
+ mPreferredCommunicationDevice);
pw.println(prefix + "Active communication device: "
+ ((mActiveCommunicationDevice == null) ? "None"
: new AudioDeviceAttributes(mActiveCommunicationDevice)));
pw.println(prefix + "mCommunicationStrategyId: "
+ mCommunicationStrategyId);
pw.println(prefix + "mAccessibilityStrategyId: "
+ mAccessibilityStrategyId);
pw.println("\n" + prefix + "mModeOwnerPid: " + mModeOwnerPid);
mBtHelper.dump(pw, prefix);
}
//---------------------------------------------------------------------
// Internal handling of messages
// These methods are ALL synchronous, in response to message handling in BrokerHandler
// Blocking in any of those will block the message queue
private void onSetForceUse(int useCase, int config, boolean fromA2dp, String eventSource) {
if (useCase == AudioSystem.FOR_MEDIA) {
postReportNewRoutes(fromA2dp);
}
AudioService.sForceUseLogger.log(
new AudioServiceEvents.ForceUseEvent(useCase, config, eventSource));
new MediaMetrics.Item(MediaMetrics.Name.AUDIO_FORCE_USE + MediaMetrics.SEPARATOR
+ AudioSystem.forceUseUsageToString(useCase))
.set(MediaMetrics.Property.EVENT, "onSetForceUse")
.set(MediaMetrics.Property.FORCE_USE_DUE_TO, eventSource)
.set(MediaMetrics.Property.FORCE_USE_MODE,
AudioSystem.forceUseConfigToString(config))
.record();
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "onSetForceUse(useCase<" + useCase + ">, config<" + config + ">, fromA2dp<"
+ fromA2dp + ">, eventSource<" + eventSource + ">)");
}
AudioSystem.setForceUse(useCase, config);
}
private void onSendBecomingNoisyIntent() {
AudioService.sDeviceLogger.log((new AudioEventLogger.StringEvent(
"broadcast ACTION_AUDIO_BECOMING_NOISY")).printLog(TAG));
mSystemServer.sendDeviceBecomingNoisyIntent();
}
//---------------------------------------------------------------------
// Message handling
private BrokerHandler mBrokerHandler;
private BrokerThread mBrokerThread;
private PowerManager.WakeLock mBrokerEventWakeLock;
private void setupMessaging(Context ctxt) {
final PowerManager pm = (PowerManager) ctxt.getSystemService(Context.POWER_SERVICE);
mBrokerEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"handleAudioDeviceEvent");
mBrokerThread = new BrokerThread();
mBrokerThread.start();
waitForBrokerHandlerCreation();
}
private void waitForBrokerHandlerCreation() {
synchronized (this) {
while (mBrokerHandler == null) {
try {
wait();
} catch (InterruptedException e) {
Log.e(TAG, "Interruption while waiting on BrokerHandler");
}
}
}
}
/** Class that handles the device broker's message queue */
private class BrokerThread extends Thread {
BrokerThread() {
super("AudioDeviceBroker");
}
@Override
public void run() {
// Set this thread up so the handler will work on it
Looper.prepare();
synchronized (AudioDeviceBroker.this) {
mBrokerHandler = new BrokerHandler();
// Notify that the handler has been created
AudioDeviceBroker.this.notify();
}
Looper.loop();
}
}
/** Class that handles the message queue */
private class BrokerHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_RESTORE_DEVICES:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
initRoutingStrategyIds();
updateActiveCommunicationDevice();
mDeviceInventory.onRestoreDevices();
mBtHelper.onAudioServerDiedRestoreA2dp();
onUpdateCommunicationRoute("MSG_RESTORE_DEVICES");
}
}
break;
case MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE:
synchronized (mDeviceStateLock) {
mDeviceInventory.onSetWiredDeviceConnectionState(
(AudioDeviceInventory.WiredDeviceConnectionState) msg.obj);
}
break;
case MSG_I_BROADCAST_BT_CONNECTION_STATE:
synchronized (mDeviceStateLock) {
mBtHelper.onBroadcastScoConnectionState(msg.arg1);
}
break;
case MSG_IIL_SET_FORCE_USE: // intended fall-through
case MSG_IIL_SET_FORCE_BT_A2DP_USE:
onSetForceUse(msg.arg1, msg.arg2,
(msg.what == MSG_IIL_SET_FORCE_BT_A2DP_USE), (String) msg.obj);
break;
case MSG_REPORT_NEW_ROUTES:
case MSG_REPORT_NEW_ROUTES_A2DP:
synchronized (mDeviceStateLock) {
mDeviceInventory.onReportNewRoutes();
}
break;
case MSG_L_SET_BT_ACTIVE_DEVICE:
synchronized (mDeviceStateLock) {
BtDeviceInfo btInfo = (BtDeviceInfo) msg.obj;
mDeviceInventory.onSetBtActiveDevice(btInfo,
(btInfo.mProfile != BluetoothProfile.LE_AUDIO || btInfo.mIsLeOutput)
? mAudioService.getBluetoothContextualVolumeStream()
: AudioSystem.STREAM_DEFAULT);
}
break;
case MSG_BT_HEADSET_CNCT_FAILED:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mBtHelper.resetBluetoothSco();
}
}
break;
case MSG_IL_BTA2DP_TIMEOUT:
// msg.obj == address of BTA2DP device
synchronized (mDeviceStateLock) {
mDeviceInventory.onMakeA2dpDeviceUnavailableNow((String) msg.obj, msg.arg1);
}
break;
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
final BluetoothDevice btDevice = (BluetoothDevice) msg.obj;
synchronized (mDeviceStateLock) {
final int a2dpCodec = mBtHelper.getA2dpCodec(btDevice);
mDeviceInventory.onBluetoothA2dpDeviceConfigChange(
new BtHelper.BluetoothA2dpDeviceInfo(btDevice, -1, a2dpCodec),
BtHelper.EVENT_DEVICE_CONFIG_CHANGE);
}
break;
case MSG_BROADCAST_AUDIO_BECOMING_NOISY:
onSendBecomingNoisyIntent();
break;
case MSG_II_SET_HEARING_AID_VOLUME:
synchronized (mDeviceStateLock) {
mBtHelper.setHearingAidVolume(msg.arg1, msg.arg2);
}
break;
case MSG_II_SET_LE_AUDIO_OUT_VOLUME: {
final BleVolumeInfo info = (BleVolumeInfo) msg.obj;
synchronized (mDeviceStateLock) {
mBtHelper.setLeAudioVolume(info.mIndex, info.mMaxIndex, info.mStreamType);
}
} break;
case MSG_I_SET_AVRCP_ABSOLUTE_VOLUME:
synchronized (mDeviceStateLock) {
mBtHelper.setAvrcpAbsoluteVolumeIndex(msg.arg1);
}
break;
case MSG_I_SET_MODE_OWNER_PID:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mModeOwnerPid = msg.arg1;
if (msg.arg2 != AudioSystem.MODE_RINGTONE) {
onUpdateCommunicationRouteClient("setNewModeOwner");
}
}
}
break;
case MSG_L_SET_COMMUNICATION_ROUTE_FOR_CLIENT:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
CommunicationClientInfo info = (CommunicationClientInfo) msg.obj;
setCommunicationRouteForClient(info.mCb, info.mPid, info.mDevice,
info.mScoAudioMode, info.mEventSource);
}
}
break;
case MSG_L_UPDATE_COMMUNICATION_ROUTE_CLIENT:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
onUpdateCommunicationRouteClient((String) msg.obj);
}
}
break;
case MSG_L_UPDATE_COMMUNICATION_ROUTE:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
onUpdateCommunicationRoute((String) msg.obj);
}
}
break;
case MSG_L_COMMUNICATION_ROUTE_CLIENT_DIED:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
onCommunicationRouteClientDied((CommunicationRouteClient) msg.obj);
}
}
break;
case MSG_I_SCO_AUDIO_STATE_CHANGED:
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mBtHelper.onScoAudioStateChanged(msg.arg1);
}
}
break;
case MSG_TOGGLE_HDMI:
synchronized (mDeviceStateLock) {
mDeviceInventory.onToggleHdmi();
}
break;
case MSG_I_BT_SERVICE_DISCONNECTED_PROFILE:
if (msg.arg1 != BluetoothProfile.HEADSET) {
synchronized (mDeviceStateLock) {
mDeviceInventory.onBtProfileDisconnected(msg.arg1);
}
} else {
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mBtHelper.disconnectHeadset();
}
}
}
break;
case MSG_IL_BT_SERVICE_CONNECTED_PROFILE:
if (msg.arg1 != BluetoothProfile.HEADSET) {
synchronized (mDeviceStateLock) {
mBtHelper.onBtProfileConnected(msg.arg1, (BluetoothProfile) msg.obj);
}
} else {
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
mBtHelper.onHeadsetProfileConnected((BluetoothHeadset) msg.obj);
}
}
}
break;
case MSG_L_BT_ACTIVE_DEVICE_CHANGE_EXT: {
final BtDeviceInfo info = (BtDeviceInfo) msg.obj;
if (info.mDevice == null) break;
AudioService.sDeviceLogger.log((new AudioEventLogger.StringEvent(
"msg: onBluetoothActiveDeviceChange "
+ " state=" + info.mState
// only querying address as this is the only readily available
// field on the device
+ " addr=" + info.mDevice.getAddress()
+ " prof=" + info.mProfile
+ " supprNoisy=" + info.mSupprNoisy
+ " src=" + info.mEventSource
)).printLog(TAG));
synchronized (mDeviceStateLock) {
mDeviceInventory.setBluetoothActiveDevice(info);
}
} break;
case MSG_IL_SAVE_PREF_DEVICES_FOR_STRATEGY: {
final int strategy = msg.arg1;
final List<AudioDeviceAttributes> devices =
(List<AudioDeviceAttributes>) msg.obj;
mDeviceInventory.onSaveSetPreferredDevices(strategy, devices);
} break;
case MSG_I_SAVE_REMOVE_PREF_DEVICES_FOR_STRATEGY: {
final int strategy = msg.arg1;
mDeviceInventory.onSaveRemovePreferredDevices(strategy);
} break;
case MSG_CHECK_MUTE_MUSIC:
checkMessagesMuteMusic(0);
break;
case MSG_IL_SAVE_PREF_DEVICES_FOR_CAPTURE_PRESET: {
final int capturePreset = msg.arg1;
final List<AudioDeviceAttributes> devices =
(List<AudioDeviceAttributes>) msg.obj;
mDeviceInventory.onSaveSetPreferredDevicesForCapturePreset(
capturePreset, devices);
} break;
case MSG_I_SAVE_CLEAR_PREF_DEVICES_FOR_CAPTURE_PRESET: {
final int capturePreset = msg.arg1;
mDeviceInventory.onSaveClearPreferredDevicesForCapturePreset(capturePreset);
} break;
default:
Log.wtf(TAG, "Invalid message " + msg.what);
}
// Give some time to Bluetooth service to post a connection message
// in case of active device switch
if (MESSAGES_MUTE_MUSIC.contains(msg.what)) {
sendMsg(MSG_CHECK_MUTE_MUSIC, SENDMSG_REPLACE, BTA2DP_MUTE_CHECK_DELAY_MS);
}
if (isMessageHandledUnderWakelock(msg.what)) {
try {
mBrokerEventWakeLock.release();
} catch (Exception e) {
Log.e(TAG, "Exception releasing wakelock", e);
}
}
}
}
// List of all messages. If a message has be handled under wakelock, add it to
// the isMessageHandledUnderWakelock(int) method
// Naming of msg indicates arguments, using JNI argument grammar
// (e.g. II indicates two int args, IL indicates int and Obj arg)
private static final int MSG_RESTORE_DEVICES = 1;
private static final int MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE = 2;
private static final int MSG_I_BROADCAST_BT_CONNECTION_STATE = 3;
private static final int MSG_IIL_SET_FORCE_USE = 4;
private static final int MSG_IIL_SET_FORCE_BT_A2DP_USE = 5;
private static final int MSG_TOGGLE_HDMI = 6;
private static final int MSG_L_SET_BT_ACTIVE_DEVICE = 7;
private static final int MSG_BT_HEADSET_CNCT_FAILED = 9;
private static final int MSG_IL_BTA2DP_TIMEOUT = 10;
// process change of A2DP device configuration, obj is BluetoothDevice
private static final int MSG_L_A2DP_DEVICE_CONFIG_CHANGE = 11;
private static final int MSG_BROADCAST_AUDIO_BECOMING_NOISY = 12;
private static final int MSG_REPORT_NEW_ROUTES = 13;
private static final int MSG_II_SET_HEARING_AID_VOLUME = 14;
private static final int MSG_I_SET_AVRCP_ABSOLUTE_VOLUME = 15;
private static final int MSG_I_SET_MODE_OWNER_PID = 16;
private static final int MSG_I_BT_SERVICE_DISCONNECTED_PROFILE = 22;
private static final int MSG_IL_BT_SERVICE_CONNECTED_PROFILE = 23;
// process external command to (dis)connect an A2DP device, obj is BtDeviceConnectionInfo
private static final int MSG_L_A2DP_DEVICE_CONNECTION_CHANGE_EXT = 29;
// process external command to (dis)connect a hearing aid device
private static final int MSG_L_HEARING_AID_DEVICE_CONNECTION_CHANGE_EXT = 31;
private static final int MSG_IL_SAVE_PREF_DEVICES_FOR_STRATEGY = 32;
private static final int MSG_I_SAVE_REMOVE_PREF_DEVICES_FOR_STRATEGY = 33;
private static final int MSG_L_COMMUNICATION_ROUTE_CLIENT_DIED = 34;
private static final int MSG_CHECK_MUTE_MUSIC = 35;
private static final int MSG_REPORT_NEW_ROUTES_A2DP = 36;
private static final int MSG_IL_SAVE_PREF_DEVICES_FOR_CAPTURE_PRESET = 37;
private static final int MSG_I_SAVE_CLEAR_PREF_DEVICES_FOR_CAPTURE_PRESET = 38;
private static final int MSG_L_UPDATE_COMMUNICATION_ROUTE = 39;
private static final int MSG_L_SET_COMMUNICATION_ROUTE_FOR_CLIENT = 42;
private static final int MSG_L_UPDATE_COMMUNICATION_ROUTE_CLIENT = 43;
private static final int MSG_I_SCO_AUDIO_STATE_CHANGED = 44;
private static final int MSG_L_BT_ACTIVE_DEVICE_CHANGE_EXT = 45;
//
// process set volume for Le Audio, obj is BleVolumeInfo
private static final int MSG_II_SET_LE_AUDIO_OUT_VOLUME = 46;
private static boolean isMessageHandledUnderWakelock(int msgId) {
switch(msgId) {
case MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE:
case MSG_L_SET_BT_ACTIVE_DEVICE:
case MSG_IL_BTA2DP_TIMEOUT:
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
case MSG_TOGGLE_HDMI:
case MSG_L_A2DP_DEVICE_CONNECTION_CHANGE_EXT:
case MSG_L_HEARING_AID_DEVICE_CONNECTION_CHANGE_EXT:
case MSG_CHECK_MUTE_MUSIC:
return true;
default:
return false;
}
}
// Message helper methods
// sendMsg() flags
/** If the msg is already queued, replace it with this one. */
private static final int SENDMSG_REPLACE = 0;
/** If the msg is already queued, ignore this one and leave the old. */
private static final int SENDMSG_NOOP = 1;
/** If the msg is already queued, queue this one and leave the old. */
private static final int SENDMSG_QUEUE = 2;
private void sendMsg(int msg, int existingMsgPolicy, int delay) {
sendIILMsg(msg, existingMsgPolicy, 0, 0, null, delay);
}
private void sendILMsg(int msg, int existingMsgPolicy, int arg, Object obj, int delay) {
sendIILMsg(msg, existingMsgPolicy, arg, 0, obj, delay);
}
private void sendLMsg(int msg, int existingMsgPolicy, Object obj, int delay) {
sendIILMsg(msg, existingMsgPolicy, 0, 0, obj, delay);
}
private void sendIMsg(int msg, int existingMsgPolicy, int arg, int delay) {
sendIILMsg(msg, existingMsgPolicy, arg, 0, null, delay);
}
private void sendMsgNoDelay(int msg, int existingMsgPolicy) {
sendIILMsg(msg, existingMsgPolicy, 0, 0, null, 0);
}
private void sendIMsgNoDelay(int msg, int existingMsgPolicy, int arg) {
sendIILMsg(msg, existingMsgPolicy, arg, 0, null, 0);
}
private void sendIIMsgNoDelay(int msg, int existingMsgPolicy, int arg1, int arg2) {
sendIILMsg(msg, existingMsgPolicy, arg1, arg2, null, 0);
}
private void sendILMsgNoDelay(int msg, int existingMsgPolicy, int arg, Object obj) {
sendIILMsg(msg, existingMsgPolicy, arg, 0, obj, 0);
}
private void sendLMsgNoDelay(int msg, int existingMsgPolicy, Object obj) {
sendIILMsg(msg, existingMsgPolicy, 0, 0, obj, 0);
}
private void sendIILMsgNoDelay(int msg, int existingMsgPolicy, int arg1, int arg2, Object obj) {
sendIILMsg(msg, existingMsgPolicy, arg1, arg2, obj, 0);
}
private void sendIILMsg(int msg, int existingMsgPolicy, int arg1, int arg2, Object obj,
int delay) {
if (existingMsgPolicy == SENDMSG_REPLACE) {
mBrokerHandler.removeMessages(msg);
} else if (existingMsgPolicy == SENDMSG_NOOP && mBrokerHandler.hasMessages(msg)) {
return;
}
if (isMessageHandledUnderWakelock(msg)) {
final long identity = Binder.clearCallingIdentity();
try {
mBrokerEventWakeLock.acquire(BROKER_WAKELOCK_TIMEOUT_MS);
} catch (Exception e) {
Log.e(TAG, "Exception acquiring wakelock", e);
}
Binder.restoreCallingIdentity(identity);
}
if (MESSAGES_MUTE_MUSIC.contains(msg)) {
checkMessagesMuteMusic(msg);
}
synchronized (sLastDeviceConnectionMsgTimeLock) {
long time = SystemClock.uptimeMillis() + delay;
switch (msg) {
case MSG_L_SET_BT_ACTIVE_DEVICE:
case MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE:
case MSG_IL_BTA2DP_TIMEOUT:
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
if (sLastDeviceConnectMsgTime >= time) {
// add a little delay to make sure messages are ordered as expected
time = sLastDeviceConnectMsgTime + 30;
}
sLastDeviceConnectMsgTime = time;
break;
default:
break;
}
mBrokerHandler.sendMessageAtTime(mBrokerHandler.obtainMessage(msg, arg1, arg2, obj),
time);
}
}
/** List of messages for which music is muted while processing is pending */
private static final Set<Integer> MESSAGES_MUTE_MUSIC;
static {
MESSAGES_MUTE_MUSIC = new HashSet<>();
MESSAGES_MUTE_MUSIC.add(MSG_L_SET_BT_ACTIVE_DEVICE);
MESSAGES_MUTE_MUSIC.add(MSG_L_A2DP_DEVICE_CONFIG_CHANGE);
MESSAGES_MUTE_MUSIC.add(MSG_L_A2DP_DEVICE_CONNECTION_CHANGE_EXT);
MESSAGES_MUTE_MUSIC.add(MSG_IIL_SET_FORCE_BT_A2DP_USE);
}
private AtomicBoolean mMusicMuted = new AtomicBoolean(false);
private static <T> boolean hasIntersection(Set<T> a, Set<T> b) {
for (T e : a) {
if (b.contains(e)) return true;
}
return false;
}
boolean messageMutesMusic(int message) {
if (message == 0) {
return false;
}
// Do not mute on bluetooth event if music is playing on a wired headset.
if ((message == MSG_L_SET_BT_ACTIVE_DEVICE
|| message == MSG_L_A2DP_DEVICE_CONNECTION_CHANGE_EXT
|| message == MSG_L_A2DP_DEVICE_CONFIG_CHANGE)
&& AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)
&& hasIntersection(mDeviceInventory.DEVICE_OVERRIDE_A2DP_ROUTE_ON_PLUG_SET,
mAudioService.getDeviceSetForStream(AudioSystem.STREAM_MUSIC))) {
return false;
}
return true;
}
/** Mutes or unmutes music according to pending A2DP messages */
private void checkMessagesMuteMusic(int message) {
boolean mute = messageMutesMusic(message);
if (!mute) {
for (int msg : MESSAGES_MUTE_MUSIC) {
if (mBrokerHandler.hasMessages(msg)) {
if (messageMutesMusic(msg)) {
mute = true;
break;
}
}
}
}
if (mute != mMusicMuted.getAndSet(mute)) {
mAudioService.setMusicMute(mute);
}
}
// List of applications requesting a specific route for communication.
@GuardedBy("mDeviceStateLock")
private final @NonNull LinkedList<CommunicationRouteClient> mCommunicationRouteClients =
new LinkedList<CommunicationRouteClient>();
private class CommunicationRouteClient implements IBinder.DeathRecipient {
private final IBinder mCb;
private final int mPid;
private AudioDeviceAttributes mDevice;
CommunicationRouteClient(IBinder cb, int pid, AudioDeviceAttributes device) {
mCb = cb;
mPid = pid;
mDevice = device;
}
public boolean registerDeathRecipient() {
boolean status = false;
try {
mCb.linkToDeath(this, 0);
status = true;
} catch (RemoteException e) {
Log.w(TAG, "CommunicationRouteClient could not link to " + mCb + " binder death");
}
return status;
}
public void unregisterDeathRecipient() {
try {
mCb.unlinkToDeath(this, 0);
} catch (NoSuchElementException e) {
Log.w(TAG, "CommunicationRouteClient could not not unregistered to binder");
}
}
@Override
public void binderDied() {
postCommunicationRouteClientDied(this);
}
IBinder getBinder() {
return mCb;
}
int getPid() {
return mPid;
}
AudioDeviceAttributes getDevice() {
return mDevice;
}
boolean requestsBluetoothSco() {
return mDevice != null
&& mDevice.getType()
== AudioDeviceInfo.TYPE_BLUETOOTH_SCO;
}
boolean requestsSpeakerphone() {
return mDevice != null
&& mDevice.getType()
== AudioDeviceInfo.TYPE_BUILTIN_SPEAKER;
}
}
// @GuardedBy("mSetModeLock")
@GuardedBy("mDeviceStateLock")
private void onCommunicationRouteClientDied(CommunicationRouteClient client) {
if (client == null) {
return;
}
Log.w(TAG, "Communication client died");
setCommunicationRouteForClient(client.getBinder(), client.getPid(), null,
BtHelper.SCO_MODE_UNDEFINED, "onCommunicationRouteClientDied");
}
/**
* Determines which preferred device for phone strategy should be sent to audio policy manager
* as a function of current SCO audio activation state and active communication route requests.
* SCO audio state has the highest priority as it can result from external activation by
* telephony service.
* @return selected forced usage for communication.
*/
@GuardedBy("mDeviceStateLock")
@Nullable private AudioDeviceAttributes preferredCommunicationDevice() {
boolean btSCoOn = mBluetoothScoOn && mBtHelper.isBluetoothScoOn();
if (btSCoOn) {
// Use the SCO device known to BtHelper so that it matches exactly
// what has been communicated to audio policy manager. The device
// returned by requestedCommunicationDevice() can be a dummy SCO device if legacy
// APIs are used to start SCO audio.
AudioDeviceAttributes device = mBtHelper.getHeadsetAudioDevice();
if (device != null) {
return device;
}
}
AudioDeviceAttributes device = requestedCommunicationDevice();
if (device == null || device.getType() == AudioDeviceInfo.TYPE_BLUETOOTH_SCO) {
// Do not indicate BT SCO selection if SCO is requested but SCO is not ON
return null;
}
return device;
}
/**
* Configures audio policy manager and audio HAL according to active communication route.
* Always called from message Handler.
*/
// @GuardedBy("mSetModeLock")
@GuardedBy("mDeviceStateLock")
private void onUpdateCommunicationRoute(String eventSource) {
AudioDeviceAttributes preferredCommunicationDevice = preferredCommunicationDevice();
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "onUpdateCommunicationRoute, preferredCommunicationDevice: "
+ preferredCommunicationDevice + " eventSource: " + eventSource);
}
AudioService.sDeviceLogger.log((new AudioEventLogger.StringEvent(
"onUpdateCommunicationRoute, preferredCommunicationDevice: "
+ preferredCommunicationDevice + " eventSource: " + eventSource)));
if (preferredCommunicationDevice == null
|| preferredCommunicationDevice.getType() != AudioDeviceInfo.TYPE_BLUETOOTH_SCO) {
AudioSystem.setParameters("BT_SCO=off");
} else {
AudioSystem.setParameters("BT_SCO=on");
}
if (preferredCommunicationDevice == null) {
removePreferredDevicesForStrategySync(mCommunicationStrategyId);
removePreferredDevicesForStrategySync(mAccessibilityStrategyId);
} else {
setPreferredDevicesForStrategySync(
mCommunicationStrategyId, Arrays.asList(preferredCommunicationDevice));
setPreferredDevicesForStrategySync(
mAccessibilityStrategyId, Arrays.asList(preferredCommunicationDevice));
}
onUpdatePhoneStrategyDevice(preferredCommunicationDevice);
}
/**
* Select new communication device from communication route client at the top of the stack
* and restore communication route including restarting SCO audio if needed.
*/
// @GuardedBy("mSetModeLock")
@GuardedBy("mDeviceStateLock")
private void onUpdateCommunicationRouteClient(String eventSource) {
onUpdateCommunicationRoute(eventSource);
CommunicationRouteClient crc = topCommunicationRouteClient();
if (AudioService.DEBUG_COMM_RTE) {
Log.v(TAG, "onUpdateCommunicationRouteClient, crc: "
+ crc + " eventSource: " + eventSource);
}
if (crc != null) {
setCommunicationRouteForClient(crc.getBinder(), crc.getPid(), crc.getDevice(),
BtHelper.SCO_MODE_UNDEFINED, eventSource);
}
}
private void onUpdatePhoneStrategyDevice(AudioDeviceAttributes device) {
synchronized (mSetModeLock) {
synchronized (mDeviceStateLock) {
boolean wasSpeakerphoneActive = isSpeakerphoneActive();
mPreferredCommunicationDevice = device;
updateActiveCommunicationDevice();
if (wasSpeakerphoneActive != isSpeakerphoneActive()) {
try {
mContext.sendBroadcastAsUser(
new Intent(AudioManager.ACTION_SPEAKERPHONE_STATE_CHANGED)
.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY),
UserHandle.ALL);
} catch (Exception e) {
Log.w(TAG, "failed to broadcast ACTION_SPEAKERPHONE_STATE_CHANGED: " + e);
}
}
mAudioService.postUpdateRingerModeServiceInt();
dispatchCommunicationDevice();
}
}
}
private CommunicationRouteClient removeCommunicationRouteClient(
IBinder cb, boolean unregister) {
for (CommunicationRouteClient cl : mCommunicationRouteClients) {
if (cl.getBinder() == cb) {
if (unregister) {
cl.unregisterDeathRecipient();
}
mCommunicationRouteClients.remove(cl);
return cl;
}
}
return null;
}
@GuardedBy("mDeviceStateLock")
private CommunicationRouteClient addCommunicationRouteClient(
IBinder cb, int pid, AudioDeviceAttributes device) {
// always insert new request at first position
removeCommunicationRouteClient(cb, true);
CommunicationRouteClient client = new CommunicationRouteClient(cb, pid, device);
if (client.registerDeathRecipient()) {
mCommunicationRouteClients.add(0, client);
return client;
}
return null;
}
@GuardedBy("mDeviceStateLock")
private CommunicationRouteClient getCommunicationRouteClientForPid(int pid) {
for (CommunicationRouteClient cl : mCommunicationRouteClients) {
if (cl.getPid() == pid) {
return cl;
}
}
return null;
}
@Nullable UUID getDeviceSensorUuid(AudioDeviceAttributes device) {
synchronized (mDeviceStateLock) {
return mDeviceInventory.getDeviceSensorUuid(device);
}
}
}