Java程序
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8091行
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/*
* Copyright (C) 2006 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 static android.Manifest.permission.REMOTE_AUDIO_PLAYBACK;
import static android.media.AudioManager.RINGER_MODE_NORMAL;
import static android.media.AudioManager.RINGER_MODE_SILENT;
import static android.media.AudioManager.RINGER_MODE_VIBRATE;
import static android.media.AudioManager.STREAM_ALARM;
import static android.media.AudioManager.STREAM_MUSIC;
import static android.media.AudioManager.STREAM_SYSTEM;
import static android.os.Process.FIRST_APPLICATION_UID;
import static android.provider.Settings.Secure.VOLUME_HUSH_MUTE;
import static android.provider.Settings.Secure.VOLUME_HUSH_OFF;
import static android.provider.Settings.Secure.VOLUME_HUSH_VIBRATE;
import android.Manifest;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityManager;
import android.app.ActivityManagerInternal;
import android.app.AppGlobals;
import android.app.AppOpsManager;
import android.app.IUidObserver;
import android.app.NotificationManager;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothHearingAid;
import android.bluetooth.BluetoothProfile;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.database.ContentObserver;
import android.hardware.hdmi.HdmiControlManager;
import android.hardware.hdmi.HdmiPlaybackClient;
import android.hardware.hdmi.HdmiTvClient;
import android.hardware.usb.UsbManager;
import android.media.AudioAttributes;
import android.media.AudioDevicePort;
import android.media.AudioFocusInfo;
import android.media.AudioFocusRequest;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioManagerInternal;
import android.media.AudioPlaybackConfiguration;
import android.media.AudioPort;
import android.media.AudioRecordingConfiguration;
import android.media.AudioRoutesInfo;
import android.media.AudioSystem;
import android.media.IAudioFocusDispatcher;
import android.media.IAudioRoutesObserver;
import android.media.IAudioServerStateDispatcher;
import android.media.IAudioService;
import android.media.IPlaybackConfigDispatcher;
import android.media.IRecordingConfigDispatcher;
import android.media.IRingtonePlayer;
import android.media.IVolumeController;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
import android.media.PlayerBase;
import android.media.SoundPool;
import android.media.VolumePolicy;
import android.media.audiofx.AudioEffect;
import android.media.audiopolicy.AudioMix;
import android.media.audiopolicy.AudioPolicy;
import android.media.audiopolicy.AudioPolicyConfig;
import android.media.audiopolicy.IAudioPolicyCallback;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
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.SystemProperties;
import android.os.UserHandle;
import android.os.UserManager;
import android.os.UserManagerInternal;
import android.os.UserManagerInternal.UserRestrictionsListener;
import android.os.VibrationEffect;
import android.os.Vibrator;
import android.provider.Settings;
import android.provider.Settings.System;
import android.service.notification.ZenModeConfig;
import android.telecom.TelecomManager;
import android.text.TextUtils;
import android.util.AndroidRuntimeException;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.IntArray;
import android.util.Log;
import android.util.MathUtils;
import android.util.Slog;
import android.util.SparseIntArray;
import android.view.KeyEvent;
import android.view.accessibility.AccessibilityManager;
import android.widget.Toast;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.util.DumpUtils;
import com.android.internal.util.XmlUtils;
import com.android.server.EventLogTags;
import com.android.server.LocalServices;
import com.android.server.SystemService;
import com.android.server.audio.AudioServiceEvents.ForceUseEvent;
import com.android.server.audio.AudioServiceEvents.PhoneStateEvent;
import com.android.server.audio.AudioServiceEvents.VolumeEvent;
import com.android.server.audio.AudioServiceEvents.WiredDevConnectEvent;
import com.android.server.pm.UserManagerService;
import org.xmlpull.v1.XmlPullParserException;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Objects;
/**
* The implementation of the volume manager service.
* <p>
* This implementation focuses on delivering a responsive UI. Most methods are
* asynchronous to external calls. For example, the task of setting a volume
* will update our internal state, but in a separate thread will set the system
* volume and later persist to the database. Similarly, setting the ringer mode
* will update the state and broadcast a change and in a separate thread later
* persist the ringer mode.
*
* @hide
*/
public class AudioService extends IAudioService.Stub
implements AccessibilityManager.TouchExplorationStateChangeListener,
AccessibilityManager.AccessibilityServicesStateChangeListener {
private static final String TAG = "AudioService";
/** Debug audio mode */
protected static final boolean DEBUG_MODE = Log.isLoggable(TAG + ".MOD", Log.DEBUG);
/** Debug audio policy feature */
protected static final boolean DEBUG_AP = Log.isLoggable(TAG + ".AP", Log.DEBUG);
/** Debug volumes */
protected static final boolean DEBUG_VOL = Log.isLoggable(TAG + ".VOL", Log.DEBUG);
/** debug calls to devices APIs */
protected static final boolean DEBUG_DEVICES = Log.isLoggable(TAG + ".DEVICES", Log.DEBUG);
/** How long to delay before persisting a change in volume/ringer mode. */
private static final int PERSIST_DELAY = 500;
/** How long to delay after a volume down event before unmuting a stream */
private static final int UNMUTE_STREAM_DELAY = 350;
/**
* Only used in the result from {@link #checkForRingerModeChange(int, int, int)}
*/
private static final int FLAG_ADJUST_VOLUME = 1;
private final Context mContext;
private final ContentResolver mContentResolver;
private final AppOpsManager mAppOps;
// the platform type affects volume and silent mode behavior
private final int mPlatformType;
// indicates whether the system maps all streams to a single stream.
private final boolean mIsSingleVolume;
private boolean isPlatformVoice() {
return mPlatformType == AudioSystem.PLATFORM_VOICE;
}
private boolean isPlatformTelevision() {
return mPlatformType == AudioSystem.PLATFORM_TELEVISION;
}
private boolean isPlatformAutomotive() {
return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
}
/** The controller for the volume UI. */
private final VolumeController mVolumeController = new VolumeController();
// 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;
// AudioHandler messages
private static final int MSG_SET_DEVICE_VOLUME = 0;
private static final int MSG_PERSIST_VOLUME = 1;
private static final int MSG_PERSIST_RINGER_MODE = 3;
private static final int MSG_AUDIO_SERVER_DIED = 4;
private static final int MSG_PLAY_SOUND_EFFECT = 5;
private static final int MSG_LOAD_SOUND_EFFECTS = 7;
private static final int MSG_SET_FORCE_USE = 8;
private static final int MSG_BT_HEADSET_CNCT_FAILED = 9;
private static final int MSG_SET_ALL_VOLUMES = 10;
private static final int MSG_REPORT_NEW_ROUTES = 12;
private static final int MSG_SET_FORCE_BT_A2DP_USE = 13;
private static final int MSG_CHECK_MUSIC_ACTIVE = 14;
private static final int MSG_BROADCAST_AUDIO_BECOMING_NOISY = 15;
private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME = 16;
private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED = 17;
private static final int MSG_PERSIST_SAFE_VOLUME_STATE = 18;
private static final int MSG_BROADCAST_BT_CONNECTION_STATE = 19;
private static final int MSG_UNLOAD_SOUND_EFFECTS = 20;
private static final int MSG_SYSTEM_READY = 21;
private static final int MSG_PERSIST_MUSIC_ACTIVE_MS = 22;
private static final int MSG_UNMUTE_STREAM = 24;
private static final int MSG_DYN_POLICY_MIX_STATE_UPDATE = 25;
private static final int MSG_INDICATE_SYSTEM_READY = 26;
private static final int MSG_ACCESSORY_PLUG_MEDIA_UNMUTE = 27;
private static final int MSG_NOTIFY_VOL_EVENT = 28;
private static final int MSG_DISPATCH_AUDIO_SERVER_STATE = 29;
private static final int MSG_ENABLE_SURROUND_FORMATS = 30;
// start of messages handled under wakelock
// these messages can only be queued, i.e. sent with queueMsgUnderWakeLock(),
// and not with sendMsg(..., ..., SENDMSG_QUEUE, ...)
private static final int MSG_SET_WIRED_DEVICE_CONNECTION_STATE = 100;
private static final int MSG_SET_A2DP_SRC_CONNECTION_STATE = 101;
private static final int MSG_SET_A2DP_SINK_CONNECTION_STATE = 102;
private static final int MSG_A2DP_DEVICE_CONFIG_CHANGE = 103;
private static final int MSG_DISABLE_AUDIO_FOR_UID = 104;
private static final int MSG_SET_HEARING_AID_CONNECTION_STATE = 105;
private static final int MSG_BTA2DP_DOCK_TIMEOUT = 106;
// end of messages handled under wakelock
private static final int BTA2DP_DOCK_TIMEOUT_MILLIS = 8000;
// Timeout for connection to bluetooth headset service
private static final int BT_HEADSET_CNCT_TIMEOUT_MS = 3000;
// retry delay in case of failure to indicate system ready to AudioFlinger
private static final int INDICATE_SYSTEM_READY_RETRY_DELAY_MS = 1000;
private static final int BT_HEARING_AID_GAIN_MIN = -128;
/** @see AudioSystemThread */
private AudioSystemThread mAudioSystemThread;
/** @see AudioHandler */
private AudioHandler mAudioHandler;
/** @see VolumeStreamState */
private VolumeStreamState[] mStreamStates;
private SettingsObserver mSettingsObserver;
private int mMode = AudioSystem.MODE_NORMAL;
// protects mRingerMode
private final Object mSettingsLock = new Object();
private SoundPool mSoundPool;
private final Object mSoundEffectsLock = new Object();
private static final int NUM_SOUNDPOOL_CHANNELS = 4;
/* Sound effect file names */
private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/";
private static final List<String> SOUND_EFFECT_FILES = new ArrayList<String>();
/* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to
* file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect
* uses soundpool (second column) */
private final int[][] SOUND_EFFECT_FILES_MAP = new int[AudioManager.NUM_SOUND_EFFECTS][2];
/** Maximum volume index values for audio streams */
protected static int[] MAX_STREAM_VOLUME = new int[] {
5, // STREAM_VOICE_CALL
7, // STREAM_SYSTEM
7, // STREAM_RING
15, // STREAM_MUSIC
7, // STREAM_ALARM
7, // STREAM_NOTIFICATION
15, // STREAM_BLUETOOTH_SCO
7, // STREAM_SYSTEM_ENFORCED
15, // STREAM_DTMF
15, // STREAM_TTS
15 // STREAM_ACCESSIBILITY
};
/** Minimum volume index values for audio streams */
protected static int[] MIN_STREAM_VOLUME = new int[] {
1, // STREAM_VOICE_CALL
0, // STREAM_SYSTEM
0, // STREAM_RING
0, // STREAM_MUSIC
1, // STREAM_ALARM
0, // STREAM_NOTIFICATION
0, // STREAM_BLUETOOTH_SCO
0, // STREAM_SYSTEM_ENFORCED
0, // STREAM_DTMF
0, // STREAM_TTS
1 // STREAM_ACCESSIBILITY
};
/* mStreamVolumeAlias[] indicates for each stream if it uses the volume settings
* of another stream: This avoids multiplying the volume settings for hidden
* stream types that follow other stream behavior for volume settings
* NOTE: do not create loops in aliases!
* Some streams alias to different streams according to device category (phone or tablet) or
* use case (in call vs off call...). See updateStreamVolumeAlias() for more details.
* mStreamVolumeAlias contains STREAM_VOLUME_ALIAS_VOICE aliases for a voice capable device
* (phone), STREAM_VOLUME_ALIAS_TELEVISION for a television or set-top box and
* STREAM_VOLUME_ALIAS_DEFAULT for other devices (e.g. tablets).*/
private final int[] STREAM_VOLUME_ALIAS_VOICE = new int[] {
AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL
AudioSystem.STREAM_RING, // STREAM_SYSTEM
AudioSystem.STREAM_RING, // STREAM_RING
AudioSystem.STREAM_MUSIC, // STREAM_MUSIC
AudioSystem.STREAM_ALARM, // STREAM_ALARM
AudioSystem.STREAM_RING, // STREAM_NOTIFICATION
AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO
AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED
AudioSystem.STREAM_RING, // STREAM_DTMF
AudioSystem.STREAM_MUSIC, // STREAM_TTS
AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY
};
private final int[] STREAM_VOLUME_ALIAS_TELEVISION = new int[] {
AudioSystem.STREAM_MUSIC, // STREAM_VOICE_CALL
AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM
AudioSystem.STREAM_MUSIC, // STREAM_RING
AudioSystem.STREAM_MUSIC, // STREAM_MUSIC
AudioSystem.STREAM_MUSIC, // STREAM_ALARM
AudioSystem.STREAM_MUSIC, // STREAM_NOTIFICATION
AudioSystem.STREAM_MUSIC, // STREAM_BLUETOOTH_SCO
AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM_ENFORCED
AudioSystem.STREAM_MUSIC, // STREAM_DTMF
AudioSystem.STREAM_MUSIC, // STREAM_TTS
AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY
};
private final int[] STREAM_VOLUME_ALIAS_DEFAULT = new int[] {
AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL
AudioSystem.STREAM_RING, // STREAM_SYSTEM
AudioSystem.STREAM_RING, // STREAM_RING
AudioSystem.STREAM_MUSIC, // STREAM_MUSIC
AudioSystem.STREAM_ALARM, // STREAM_ALARM
AudioSystem.STREAM_RING, // STREAM_NOTIFICATION
AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO
AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED
AudioSystem.STREAM_RING, // STREAM_DTMF
AudioSystem.STREAM_MUSIC, // STREAM_TTS
AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY
};
protected static int[] mStreamVolumeAlias;
/**
* Map AudioSystem.STREAM_* constants to app ops. This should be used
* after mapping through mStreamVolumeAlias.
*/
private static final int[] STREAM_VOLUME_OPS = new int[] {
AppOpsManager.OP_AUDIO_VOICE_VOLUME, // STREAM_VOICE_CALL
AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_SYSTEM
AppOpsManager.OP_AUDIO_RING_VOLUME, // STREAM_RING
AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_MUSIC
AppOpsManager.OP_AUDIO_ALARM_VOLUME, // STREAM_ALARM
AppOpsManager.OP_AUDIO_NOTIFICATION_VOLUME, // STREAM_NOTIFICATION
AppOpsManager.OP_AUDIO_BLUETOOTH_VOLUME, // STREAM_BLUETOOTH_SCO
AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_SYSTEM_ENFORCED
AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_DTMF
AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_TTS
AppOpsManager.OP_AUDIO_ACCESSIBILITY_VOLUME, // STREAM_ACCESSIBILITY
};
private final boolean mUseFixedVolume;
/**
* Default stream type used for volume control in the absence of playback
* e.g. user on homescreen, no app playing anything, presses hardware volume buttons, this
* stream type is controlled.
*/
protected static final int DEFAULT_VOL_STREAM_NO_PLAYBACK = AudioSystem.STREAM_MUSIC;
private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() {
public void onError(int error) {
switch (error) {
case AudioSystem.AUDIO_STATUS_SERVER_DIED:
sendMsg(mAudioHandler, MSG_AUDIO_SERVER_DIED,
SENDMSG_NOOP, 0, 0, null, 0);
sendMsg(mAudioHandler, MSG_DISPATCH_AUDIO_SERVER_STATE,
SENDMSG_QUEUE, 0, 0, null, 0);
break;
default:
break;
}
}
};
/**
* Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL},
* {@link AudioManager#RINGER_MODE_SILENT}, or
* {@link AudioManager#RINGER_MODE_VIBRATE}.
*/
@GuardedBy("mSettingsLock")
private int mRingerMode; // internal ringer mode, affects muting of underlying streams
@GuardedBy("mSettingsLock")
private int mRingerModeExternal = -1; // reported ringer mode to outside clients (AudioManager)
/** @see System#MODE_RINGER_STREAMS_AFFECTED */
private int mRingerModeAffectedStreams = 0;
private int mZenModeAffectedStreams = 0;
// Streams currently muted by ringer mode and dnd
private int mRingerAndZenModeMutedStreams;
/** Streams that can be muted. Do not resolve to aliases when checking.
* @see System#MUTE_STREAMS_AFFECTED */
private int mMuteAffectedStreams;
/**
* NOTE: setVibrateSetting(), getVibrateSetting(), shouldVibrate() are deprecated.
* mVibrateSetting is just maintained during deprecation period but vibration policy is
* now only controlled by mHasVibrator and mRingerMode
*/
private int mVibrateSetting;
// Is there a vibrator
private final boolean mHasVibrator;
// Used to play vibrations
private Vibrator mVibrator;
private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
.setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
.build();
// Broadcast receiver for device connections intent broadcasts
private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver();
/** Interface for UserManagerService. */
private final UserManagerInternal mUserManagerInternal;
private final ActivityManagerInternal mActivityManagerInternal;
private final UserRestrictionsListener mUserRestrictionsListener =
new AudioServiceUserRestrictionsListener();
// Devices currently connected
// Use makeDeviceListKey() to make a unique key for this list.
private class DeviceListSpec {
int mDeviceType;
String mDeviceName;
String mDeviceAddress;
public DeviceListSpec(int deviceType, String deviceName, String deviceAddress) {
mDeviceType = deviceType;
mDeviceName = deviceName;
mDeviceAddress = deviceAddress;
}
public String toString() {
return "[type:0x" + Integer.toHexString(mDeviceType) + " name:" + mDeviceName
+ " address:" + mDeviceAddress + "]";
}
}
// Generate a unique key for the mConnectedDevices List by composing the device "type"
// and the "address" associated with a specific instance of that device type
private String makeDeviceListKey(int device, String deviceAddress) {
return "0x" + Integer.toHexString(device) + ":" + deviceAddress;
}
private final ArrayMap<String, DeviceListSpec> mConnectedDevices = new ArrayMap<>();
// Forced device usage for communications
private int mForcedUseForComm;
private int mForcedUseForCommExt; // External state returned by getters: always consistent
// with requests by setters
// List of binder death handlers for setMode() client processes.
// The last process to have called setMode() is at the top of the list.
private final ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>();
// List of clients having issued a SCO start request
private final ArrayList <ScoClient> mScoClients = new ArrayList <ScoClient>();
// BluetoothHeadset API to control SCO connection
private BluetoothHeadset mBluetoothHeadset;
// Bluetooth headset device
private BluetoothDevice mBluetoothHeadsetDevice;
// Indicate if SCO audio connection is currently active and if the initiator is
// audio service (internal) or bluetooth headset (external)
private int mScoAudioState;
// SCO audio state is not active
private static final int SCO_STATE_INACTIVE = 0;
// SCO audio activation request waiting for headset service to connect
private static final int SCO_STATE_ACTIVATE_REQ = 1;
// SCO audio state is active or starting due to a request from AudioManager API
private static final int SCO_STATE_ACTIVE_INTERNAL = 3;
// SCO audio deactivation request waiting for headset service to connect
private static final int SCO_STATE_DEACTIVATE_REQ = 4;
// SCO audio deactivation in progress, waiting for Bluetooth audio intent
private static final int SCO_STATE_DEACTIVATING = 5;
// SCO audio state is active due to an action in BT handsfree (either voice recognition or
// in call audio)
private static final int SCO_STATE_ACTIVE_EXTERNAL = 2;
// Indicates the mode used for SCO audio connection. The mode is virtual call if the request
// originated from an app targeting an API version before JB MR2 and raw audio after that.
private int mScoAudioMode;
// SCO audio mode is undefined
private static final int SCO_MODE_UNDEFINED = -1;
// SCO audio mode is virtual voice call (BluetoothHeadset.startScoUsingVirtualVoiceCall())
private static final int SCO_MODE_VIRTUAL_CALL = 0;
// SCO audio mode is raw audio (BluetoothHeadset.connectAudio())
private static final int SCO_MODE_RAW = 1;
// SCO audio mode is Voice Recognition (BluetoothHeadset.startVoiceRecognition())
private static final int SCO_MODE_VR = 2;
private static final int SCO_MODE_MAX = 2;
// Current connection state indicated by bluetooth headset
private int mScoConnectionState;
// true if boot sequence has been completed
private boolean mSystemReady;
// true if Intent.ACTION_USER_SWITCHED has ever been received
private boolean mUserSwitchedReceived;
// listener for SoundPool sample load completion indication
private SoundPoolCallback mSoundPoolCallBack;
// thread for SoundPool listener
private SoundPoolListenerThread mSoundPoolListenerThread;
// message looper for SoundPool listener
private Looper mSoundPoolLooper = null;
// volume applied to sound played with playSoundEffect()
private static int sSoundEffectVolumeDb;
// previous volume adjustment direction received by checkForRingerModeChange()
private int mPrevVolDirection = AudioManager.ADJUST_SAME;
// mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume
// is controlled by Vol keys.
private int mVolumeControlStream = -1;
// interpretation of whether the volume stream has been selected by the user by clicking on a
// volume slider to change which volume is controlled by the volume keys. Is false
// when mVolumeControlStream is -1.
private boolean mUserSelectedVolumeControlStream = false;
private final Object mForceControlStreamLock = new Object();
// VolumePanel is currently the only client of forceVolumeControlStream() and runs in system
// server process so in theory it is not necessary to monitor the client death.
// However it is good to be ready for future evolutions.
private ForceControlStreamClient mForceControlStreamClient = null;
// Used to play ringtones outside system_server
private volatile IRingtonePlayer mRingtonePlayer;
// Request to override default use of A2DP for media.
private boolean mBluetoothA2dpEnabled;
private final Object mBluetoothA2dpEnabledLock = new Object();
// Monitoring of audio routes. Protected by mCurAudioRoutes.
final AudioRoutesInfo mCurAudioRoutes = new AudioRoutesInfo();
final RemoteCallbackList<IAudioRoutesObserver> mRoutesObservers
= new RemoteCallbackList<IAudioRoutesObserver>();
// Devices for which the volume is fixed and VolumePanel slider should be disabled
int mFixedVolumeDevices = AudioSystem.DEVICE_OUT_HDMI |
AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET |
AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET |
AudioSystem.DEVICE_OUT_HDMI_ARC |
AudioSystem.DEVICE_OUT_SPDIF |
AudioSystem.DEVICE_OUT_AUX_LINE;
int mFullVolumeDevices = 0;
private final boolean mMonitorRotation;
private boolean mDockAudioMediaEnabled = true;
private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED;
// Used when safe volume warning message display is requested by setStreamVolume(). In this
// case, the new requested volume, stream type and device are stored in mPendingVolumeCommand
// and used later when/if disableSafeMediaVolume() is called.
private StreamVolumeCommand mPendingVolumeCommand;
private PowerManager.WakeLock mAudioEventWakeLock;
private final MediaFocusControl mMediaFocusControl;
// Reference to BluetoothA2dp to query for volume.
private BluetoothHearingAid mHearingAid;
// lock always taken synchronized on mConnectedDevices
private final Object mHearingAidLock = new Object();
// Reference to BluetoothA2dp to query for AbsoluteVolume.
private BluetoothA2dp mA2dp;
// lock always taken synchronized on mConnectedDevices
private final Object mA2dpAvrcpLock = new Object();
// If absolute volume is supported in AVRCP device
private boolean mAvrcpAbsVolSupported = false;
private static Long mLastDeviceConnectMsgTime = new Long(0);
private NotificationManager mNm;
private AudioManagerInternal.RingerModeDelegate mRingerModeDelegate;
private VolumePolicy mVolumePolicy = VolumePolicy.DEFAULT;
private long mLoweredFromNormalToVibrateTime;
// Array of Uids of valid accessibility services to check if caller is one of them
private int[] mAccessibilityServiceUids;
private final Object mAccessibilityServiceUidsLock = new Object();
private int mEncodedSurroundMode;
private String mEnabledSurroundFormats;
private boolean mSurroundModeChanged;
// Intent "extra" data keys.
public static final String CONNECT_INTENT_KEY_PORT_NAME = "portName";
public static final String CONNECT_INTENT_KEY_STATE = "state";
public static final String CONNECT_INTENT_KEY_ADDRESS = "address";
public static final String CONNECT_INTENT_KEY_HAS_PLAYBACK = "hasPlayback";
public static final String CONNECT_INTENT_KEY_HAS_CAPTURE = "hasCapture";
public static final String CONNECT_INTENT_KEY_HAS_MIDI = "hasMIDI";
public static final String CONNECT_INTENT_KEY_DEVICE_CLASS = "class";
// Defines the format for the connection "address" for ALSA devices
public static String makeAlsaAddressString(int card, int device) {
return "card=" + card + ";device=" + device + ";";
}
public static final class Lifecycle extends SystemService {
private AudioService mService;
public Lifecycle(Context context) {
super(context);
mService = new AudioService(context);
}
@Override
public void onStart() {
publishBinderService(Context.AUDIO_SERVICE, mService);
}
@Override
public void onBootPhase(int phase) {
if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) {
mService.systemReady();
}
}
}
final private IUidObserver mUidObserver = new IUidObserver.Stub() {
@Override public void onUidStateChanged(int uid, int procState, long procStateSeq) {
}
@Override public void onUidGone(int uid, boolean disabled) {
// Once the uid is no longer running, no need to keep trying to disable its audio.
disableAudioForUid(false, uid);
}
@Override public void onUidActive(int uid) throws RemoteException {
}
@Override public void onUidIdle(int uid, boolean disabled) {
}
@Override public void onUidCachedChanged(int uid, boolean cached) {
disableAudioForUid(cached, uid);
}
private void disableAudioForUid(boolean disable, int uid) {
queueMsgUnderWakeLock(mAudioHandler, MSG_DISABLE_AUDIO_FOR_UID,
disable ? 1 : 0 /* arg1 */, uid /* arg2 */,
null /* obj */, 0 /* delay */);
}
};
///////////////////////////////////////////////////////////////////////////
// Construction
///////////////////////////////////////////////////////////////////////////
/** @hide */
public AudioService(Context context) {
mContext = context;
mContentResolver = context.getContentResolver();
mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
mPlatformType = AudioSystem.getPlatformType(context);
mIsSingleVolume = AudioSystem.isSingleVolume(context);
mUserManagerInternal = LocalServices.getService(UserManagerInternal.class);
mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
mAudioEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleAudioEvent");
mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
mHasVibrator = mVibrator == null ? false : mVibrator.hasVibrator();
// Initialize volume
int maxCallVolume = SystemProperties.getInt("ro.config.vc_call_vol_steps", -1);
if (maxCallVolume != -1) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = maxCallVolume;
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] =
(maxCallVolume * 3) / 4;
}
int maxMusicVolume = SystemProperties.getInt("ro.config.media_vol_steps", -1);
if (maxMusicVolume != -1) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = maxMusicVolume;
}
int defaultMusicVolume = SystemProperties.getInt("ro.config.media_vol_default", -1);
if (defaultMusicVolume != -1 &&
defaultMusicVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]) {
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = defaultMusicVolume;
} else {
if (isPlatformTelevision()) {
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] =
MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] / 4;
} else {
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] =
MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] / 3;
}
}
int maxAlarmVolume = SystemProperties.getInt("ro.config.alarm_vol_steps", -1);
if (maxAlarmVolume != -1) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM] = maxAlarmVolume;
}
int defaultAlarmVolume = SystemProperties.getInt("ro.config.alarm_vol_default", -1);
if (defaultAlarmVolume != -1 &&
defaultAlarmVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM]) {
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_ALARM] = defaultAlarmVolume;
} else {
// Default is 6 out of 7 (default maximum), so scale accordingly.
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_ALARM] =
6 * MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM] / 7;
}
int maxSystemVolume = SystemProperties.getInt("ro.config.system_vol_steps", -1);
if (maxSystemVolume != -1) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] = maxSystemVolume;
}
int defaultSystemVolume = SystemProperties.getInt("ro.config.system_vol_default", -1);
if (defaultSystemVolume != -1 &&
defaultSystemVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM]) {
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] = defaultSystemVolume;
} else {
// Default is to use maximum.
AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] =
MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM];
}
sSoundEffectVolumeDb = context.getResources().getInteger(
com.android.internal.R.integer.config_soundEffectVolumeDb);
mForcedUseForComm = AudioSystem.FORCE_NONE;
createAudioSystemThread();
AudioSystem.setErrorCallback(mAudioSystemCallback);
boolean cameraSoundForced = readCameraSoundForced();
mCameraSoundForced = new Boolean(cameraSoundForced);
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_SYSTEM,
cameraSoundForced ?
AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE,
new String("AudioService ctor"),
0);
mSafeMediaVolumeState = new Integer(Settings.Global.getInt(mContentResolver,
Settings.Global.AUDIO_SAFE_VOLUME_STATE,
SAFE_MEDIA_VOLUME_NOT_CONFIGURED));
// The default safe volume index read here will be replaced by the actual value when
// the mcc is read by onConfigureSafeVolume()
mSafeMediaVolumeIndex = mContext.getResources().getInteger(
com.android.internal.R.integer.config_safe_media_volume_index) * 10;
mUseFixedVolume = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_useFixedVolume);
// must be called before readPersistedSettings() which needs a valid mStreamVolumeAlias[]
// array initialized by updateStreamVolumeAlias()
updateStreamVolumeAlias(false /*updateVolumes*/, TAG);
readPersistedSettings();
readUserRestrictions();
mSettingsObserver = new SettingsObserver();
createStreamStates();
// mSafeUsbMediaVolumeIndex must be initialized after createStreamStates() because it
// relies on audio policy having correct ranges for volume indexes.
mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex();
mPlaybackMonitor =
new PlaybackActivityMonitor(context, MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM]);
mMediaFocusControl = new MediaFocusControl(mContext, mPlaybackMonitor);
mRecordMonitor = new RecordingActivityMonitor(mContext);
readAndSetLowRamDevice();
// Call setRingerModeInt() to apply correct mute
// state on streams affected by ringer mode.
mRingerAndZenModeMutedStreams = 0;
setRingerModeInt(getRingerModeInternal(), false);
// Register for device connection intent broadcasts.
IntentFilter intentFilter =
new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED);
intentFilter.addAction(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED);
intentFilter.addAction(Intent.ACTION_DOCK_EVENT);
intentFilter.addAction(Intent.ACTION_SCREEN_ON);
intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
intentFilter.addAction(Intent.ACTION_USER_SWITCHED);
intentFilter.addAction(Intent.ACTION_USER_BACKGROUND);
intentFilter.addAction(Intent.ACTION_USER_FOREGROUND);
intentFilter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
intentFilter.addAction(Intent.ACTION_CONFIGURATION_CHANGED);
mMonitorRotation = SystemProperties.getBoolean("ro.audio.monitorRotation", false);
if (mMonitorRotation) {
RotationHelper.init(mContext, mAudioHandler);
}
intentFilter.addAction(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION);
intentFilter.addAction(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION);
context.registerReceiverAsUser(mReceiver, UserHandle.ALL, intentFilter, null, null);
LocalServices.addService(AudioManagerInternal.class, new AudioServiceInternal());
mUserManagerInternal.addUserRestrictionsListener(mUserRestrictionsListener);
mRecordMonitor.initMonitor();
}
public void systemReady() {
sendMsg(mAudioHandler, MSG_SYSTEM_READY, SENDMSG_QUEUE,
0, 0, null, 0);
if (false) {
// This is turned off for now, because it is racy and thus causes apps to break.
// Currently banning a uid means that if an app tries to start playing an audio
// stream, that will be preventing, and unbanning it will not allow that stream
// to resume. However these changes in uid state are racy with what the app is doing,
// so that after taking a process out of the cached state we can't guarantee that
// we will unban the uid before the app actually tries to start playing audio.
// (To do that, the activity manager would need to wait until it knows for sure
// that the ban has been removed, before telling the app to do whatever it is
// supposed to do that caused it to go out of the cached state.)
try {
ActivityManager.getService().registerUidObserver(mUidObserver,
ActivityManager.UID_OBSERVER_CACHED | ActivityManager.UID_OBSERVER_GONE,
ActivityManager.PROCESS_STATE_UNKNOWN, null);
} catch (RemoteException e) {
// ignored; both services live in system_server
}
}
}
public void onSystemReady() {
mSystemReady = true;
sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE,
0, 0, null, 0);
mScoConnectionState = AudioManager.SCO_AUDIO_STATE_ERROR;
resetBluetoothSco();
getBluetoothHeadset();
//FIXME: this is to maintain compatibility with deprecated intent
// AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate.
Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED);
newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE,
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
sendStickyBroadcastToAll(newIntent);
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter != null) {
adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener,
BluetoothProfile.A2DP);
adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener,
BluetoothProfile.HEARING_AID);
}
if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_HDMI_CEC)) {
mHdmiManager = mContext.getSystemService(HdmiControlManager.class);
synchronized (mHdmiManager) {
mHdmiTvClient = mHdmiManager.getTvClient();
if (mHdmiTvClient != null) {
mFixedVolumeDevices &= ~AudioSystem.DEVICE_ALL_HDMI_SYSTEM_AUDIO_AND_SPEAKER;
}
mHdmiPlaybackClient = mHdmiManager.getPlaybackClient();
mHdmiCecSink = false;
}
}
mNm = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
sendMsg(mAudioHandler,
MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED,
SENDMSG_REPLACE,
0,
0,
TAG,
SystemProperties.getBoolean("audio.safemedia.bypass", false) ?
0 : SAFE_VOLUME_CONFIGURE_TIMEOUT_MS);
initA11yMonitoring();
onIndicateSystemReady();
}
void onIndicateSystemReady() {
if (AudioSystem.systemReady() == AudioSystem.SUCCESS) {
return;
}
sendMsg(mAudioHandler,
MSG_INDICATE_SYSTEM_READY,
SENDMSG_REPLACE,
0,
0,
null,
INDICATE_SYSTEM_READY_RETRY_DELAY_MS);
}
public void onAudioServerDied() {
if (!mSystemReady ||
(AudioSystem.checkAudioFlinger() != AudioSystem.AUDIO_STATUS_OK)) {
Log.e(TAG, "Audioserver died.");
sendMsg(mAudioHandler, MSG_AUDIO_SERVER_DIED, SENDMSG_NOOP, 0, 0,
null, 500);
return;
}
Log.e(TAG, "Audioserver started.");
// indicate to audio HAL that we start the reconfiguration phase after a media
// server crash
// Note that we only execute this when the media server
// process restarts after a crash, not the first time it is started.
AudioSystem.setParameters("restarting=true");
readAndSetLowRamDevice();
// Restore device connection states
synchronized (mConnectedDevices) {
for (int i = 0; i < mConnectedDevices.size(); i++) {
DeviceListSpec spec = mConnectedDevices.valueAt(i);
AudioSystem.setDeviceConnectionState(
spec.mDeviceType,
AudioSystem.DEVICE_STATE_AVAILABLE,
spec.mDeviceAddress,
spec.mDeviceName);
}
}
// Restore call state
if (AudioSystem.setPhoneState(mMode) == AudioSystem.AUDIO_STATUS_OK) {
mModeLogger.log(new AudioEventLogger.StringEvent(
"onAudioServerDied causes setPhoneState(" + AudioSystem.modeToString(mMode) + ")"));
}
// Restore forced usage for communications and record
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm,
"onAudioServerDied"));
AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm);
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_RECORD, mForcedUseForComm,
"onAudioServerDied"));
AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm);
final int forSys;
synchronized (mSettingsLock) {
forSys = mCameraSoundForced ?
AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE;
}
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_SYSTEM, forSys,
"onAudioServerDied"));
AudioSystem.setForceUse(AudioSystem.FOR_SYSTEM, forSys);
// Restore stream volumes
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
VolumeStreamState streamState = mStreamStates[streamType];
AudioSystem.initStreamVolume(
streamType, streamState.mIndexMin / 10, streamState.mIndexMax / 10);
streamState.applyAllVolumes();
}
// Restore mono mode
updateMasterMono(mContentResolver);
// Restore ringer mode
setRingerModeInt(getRingerModeInternal(), false);
// Reset device rotation (if monitored for this device)
if (mMonitorRotation) {
RotationHelper.updateOrientation();
}
synchronized (mBluetoothA2dpEnabledLock) {
final int forMed = mBluetoothA2dpEnabled ?
AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP;
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_MEDIA, forMed,
"onAudioServerDied"));
AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, forMed);
}
synchronized (mSettingsLock) {
final int forDock = mDockAudioMediaEnabled ?
AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE;
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_DOCK, forDock,
"onAudioServerDied"));
AudioSystem.setForceUse(AudioSystem.FOR_DOCK, forDock);
sendEncodedSurroundMode(mContentResolver, "onAudioServerDied");
sendEnabledSurroundFormats(mContentResolver, true);
}
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
if (mHdmiTvClient != null) {
setHdmiSystemAudioSupported(mHdmiSystemAudioSupported);
}
}
}
synchronized (mAudioPolicies) {
for (AudioPolicyProxy policy : mAudioPolicies.values()) {
policy.connectMixes();
}
}
onIndicateSystemReady();
// indicate the end of reconfiguration phase to audio HAL
AudioSystem.setParameters("restarting=false");
sendMsg(mAudioHandler, MSG_DISPATCH_AUDIO_SERVER_STATE,
SENDMSG_QUEUE, 1, 0, null, 0);
}
private void onDispatchAudioServerStateChange(boolean state) {
synchronized (mAudioServerStateListeners) {
for (AsdProxy asdp : mAudioServerStateListeners.values()) {
try {
asdp.callback().dispatchAudioServerStateChange(state);
} catch (RemoteException e) {
Log.w(TAG, "Could not call dispatchAudioServerStateChange()", e);
}
}
}
}
private void createAudioSystemThread() {
mAudioSystemThread = new AudioSystemThread();
mAudioSystemThread.start();
waitForAudioHandlerCreation();
}
/** Waits for the volume handler to be created by the other thread. */
private void waitForAudioHandlerCreation() {
synchronized(this) {
while (mAudioHandler == null) {
try {
// Wait for mAudioHandler to be set by the other thread
wait();
} catch (InterruptedException e) {
Log.e(TAG, "Interrupted while waiting on volume handler.");
}
}
}
}
private void checkAllAliasStreamVolumes() {
synchronized (mSettingsLock) {
synchronized (VolumeStreamState.class) {
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = 0; streamType < numStreamTypes; streamType++) {
mStreamStates[streamType]
.setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], TAG);
// apply stream volume
if (!mStreamStates[streamType].mIsMuted) {
mStreamStates[streamType].applyAllVolumes();
}
}
}
}
}
private void checkAllFixedVolumeDevices()
{
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = 0; streamType < numStreamTypes; streamType++) {
mStreamStates[streamType].checkFixedVolumeDevices();
}
}
private void checkAllFixedVolumeDevices(int streamType) {
mStreamStates[streamType].checkFixedVolumeDevices();
}
private void checkMuteAffectedStreams() {
// any stream with a min level > 0 is not muteable by definition
// STREAM_VOICE_CALL can be muted by applications that has the the MODIFY_PHONE_STATE permission.
for (int i = 0; i < mStreamStates.length; i++) {
final VolumeStreamState vss = mStreamStates[i];
if (vss.mIndexMin > 0 &&
vss.mStreamType != AudioSystem.STREAM_VOICE_CALL) {
mMuteAffectedStreams &= ~(1 << vss.mStreamType);
}
}
}
private void createStreamStates() {
int numStreamTypes = AudioSystem.getNumStreamTypes();
VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes];
for (int i = 0; i < numStreamTypes; i++) {
streams[i] =
new VolumeStreamState(System.VOLUME_SETTINGS_INT[mStreamVolumeAlias[i]], i);
}
checkAllFixedVolumeDevices();
checkAllAliasStreamVolumes();
checkMuteAffectedStreams();
updateDefaultVolumes();
}
// Update default indexes from aliased streams. Must be called after mStreamStates is created
private void updateDefaultVolumes() {
for (int stream = 0; stream < mStreamStates.length; stream++) {
if (stream != mStreamVolumeAlias[stream]) {
AudioSystem.DEFAULT_STREAM_VOLUME[stream] = rescaleIndex(
AudioSystem.DEFAULT_STREAM_VOLUME[mStreamVolumeAlias[stream]],
mStreamVolumeAlias[stream],
stream);
}
}
}
private void dumpStreamStates(PrintWriter pw) {
pw.println("\nStream volumes (device: index)");
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int i = 0; i < numStreamTypes; i++) {
pw.println("- " + AudioSystem.STREAM_NAMES[i] + ":");
mStreamStates[i].dump(pw);
pw.println("");
}
pw.print("\n- mute affected streams = 0x");
pw.println(Integer.toHexString(mMuteAffectedStreams));
}
private void updateStreamVolumeAlias(boolean updateVolumes, String caller) {
int dtmfStreamAlias;
final int a11yStreamAlias = sIndependentA11yVolume ?
AudioSystem.STREAM_ACCESSIBILITY : AudioSystem.STREAM_MUSIC;
if (mIsSingleVolume) {
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_TELEVISION;
dtmfStreamAlias = AudioSystem.STREAM_MUSIC;
} else {
switch (mPlatformType) {
case AudioSystem.PLATFORM_VOICE:
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_VOICE;
dtmfStreamAlias = AudioSystem.STREAM_RING;
break;
default:
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_DEFAULT;
dtmfStreamAlias = AudioSystem.STREAM_MUSIC;
}
}
if (mIsSingleVolume) {
mRingerModeAffectedStreams = 0;
} else {
if (isInCommunication()) {
dtmfStreamAlias = AudioSystem.STREAM_VOICE_CALL;
mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_DTMF);
} else {
mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_DTMF);
}
}
mStreamVolumeAlias[AudioSystem.STREAM_DTMF] = dtmfStreamAlias;
mStreamVolumeAlias[AudioSystem.STREAM_ACCESSIBILITY] = a11yStreamAlias;
if (updateVolumes && mStreamStates != null) {
updateDefaultVolumes();
synchronized (mSettingsLock) {
synchronized (VolumeStreamState.class) {
mStreamStates[AudioSystem.STREAM_DTMF]
.setAllIndexes(mStreamStates[dtmfStreamAlias], caller);
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].mVolumeIndexSettingName =
System.VOLUME_SETTINGS_INT[a11yStreamAlias];
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].setAllIndexes(
mStreamStates[a11yStreamAlias], caller);
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].refreshRange(
mStreamVolumeAlias[AudioSystem.STREAM_ACCESSIBILITY]);
}
}
if (sIndependentA11yVolume) {
// restore the a11y values from the settings
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].readSettings();
}
// apply stream mute states according to new value of mRingerModeAffectedStreams
setRingerModeInt(getRingerModeInternal(), false);
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
mStreamStates[AudioSystem.STREAM_DTMF], 0);
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY], 0);
}
}
private void readDockAudioSettings(ContentResolver cr)
{
mDockAudioMediaEnabled = Settings.Global.getInt(
cr, Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, 0) == 1;
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_DOCK,
mDockAudioMediaEnabled ?
AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE,
new String("readDockAudioSettings"),
0);
}
private void updateMasterMono(ContentResolver cr)
{
final boolean masterMono = System.getIntForUser(
cr, System.MASTER_MONO, 0 /* default */, UserHandle.USER_CURRENT) == 1;
if (DEBUG_VOL) {
Log.d(TAG, String.format("Master mono %b", masterMono));
}
AudioSystem.setMasterMono(masterMono);
}
private void sendEncodedSurroundMode(ContentResolver cr, String eventSource)
{
int encodedSurroundMode = Settings.Global.getInt(
cr, Settings.Global.ENCODED_SURROUND_OUTPUT,
Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
sendEncodedSurroundMode(encodedSurroundMode, eventSource);
}
private void sendEncodedSurroundMode(int encodedSurroundMode, String eventSource)
{
// initialize to guaranteed bad value
int forceSetting = AudioSystem.NUM_FORCE_CONFIG;
switch (encodedSurroundMode) {
case Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO:
forceSetting = AudioSystem.FORCE_NONE;
break;
case Settings.Global.ENCODED_SURROUND_OUTPUT_NEVER:
forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_NEVER;
break;
case Settings.Global.ENCODED_SURROUND_OUTPUT_ALWAYS:
forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_ALWAYS;
break;
case Settings.Global.ENCODED_SURROUND_OUTPUT_MANUAL:
forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_MANUAL;
break;
default:
Log.e(TAG, "updateSurroundSoundSettings: illegal value "
+ encodedSurroundMode);
break;
}
if (forceSetting != AudioSystem.NUM_FORCE_CONFIG) {
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_ENCODED_SURROUND,
forceSetting,
eventSource,
0);
}
}
private void sendEnabledSurroundFormats(ContentResolver cr, boolean forceUpdate) {
if (mEncodedSurroundMode != Settings.Global.ENCODED_SURROUND_OUTPUT_MANUAL) {
// Manually enable surround formats only when the setting is in manual mode.
return;
}
String enabledSurroundFormats = Settings.Global.getString(
cr, Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS);
if (enabledSurroundFormats == null) {
// Never allow enabledSurroundFormats as a null, which could happen when
// ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS is not appear in settings DB.
enabledSurroundFormats = "";
}
if (!forceUpdate && TextUtils.equals(enabledSurroundFormats, mEnabledSurroundFormats)) {
// Update enabled surround formats to AudioPolicyManager only when forceUpdate
// is true or enabled surround formats changed.
return;
}
mEnabledSurroundFormats = enabledSurroundFormats;
String[] surroundFormats = TextUtils.split(enabledSurroundFormats, ",");
ArrayList<Integer> formats = new ArrayList<>();
for (String format : surroundFormats) {
try {
int audioFormat = Integer.valueOf(format);
boolean isSurroundFormat = false;
for (int sf : AudioFormat.SURROUND_SOUND_ENCODING) {
if (sf == audioFormat) {
isSurroundFormat = true;
break;
}
}
if (isSurroundFormat && !formats.contains(audioFormat)) {
formats.add(audioFormat);
}
} catch (Exception e) {
Log.e(TAG, "Invalid enabled surround format:" + format);
}
}
// Set filtered surround formats to settings DB in case
// there are invalid surround formats in original settings.
Settings.Global.putString(mContext.getContentResolver(),
Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS,
TextUtils.join(",", formats));
sendMsg(mAudioHandler, MSG_ENABLE_SURROUND_FORMATS, SENDMSG_QUEUE, 0, 0, formats, 0);
}
private void onEnableSurroundFormats(ArrayList<Integer> enabledSurroundFormats) {
// Set surround format enabled accordingly.
for (int surroundFormat : AudioFormat.SURROUND_SOUND_ENCODING) {
boolean enabled = enabledSurroundFormats.contains(surroundFormat);
int ret = AudioSystem.setSurroundFormatEnabled(surroundFormat, enabled);
Log.i(TAG, "enable surround format:" + surroundFormat + " " + enabled + " " + ret);
}
}
private void readPersistedSettings() {
final ContentResolver cr = mContentResolver;
int ringerModeFromSettings =
Settings.Global.getInt(
cr, Settings.Global.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL);
int ringerMode = ringerModeFromSettings;
// sanity check in case the settings are restored from a device with incompatible
// ringer modes
if (!isValidRingerMode(ringerMode)) {
ringerMode = AudioManager.RINGER_MODE_NORMAL;
}
if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) {
ringerMode = AudioManager.RINGER_MODE_SILENT;
}
if (ringerMode != ringerModeFromSettings) {
Settings.Global.putInt(cr, Settings.Global.MODE_RINGER, ringerMode);
}
if (mUseFixedVolume || mIsSingleVolume) {
ringerMode = AudioManager.RINGER_MODE_NORMAL;
}
synchronized(mSettingsLock) {
mRingerMode = ringerMode;
if (mRingerModeExternal == -1) {
mRingerModeExternal = mRingerMode;
}
// System.VIBRATE_ON is not used any more but defaults for mVibrateSetting
// are still needed while setVibrateSetting() and getVibrateSetting() are being
// deprecated.
mVibrateSetting = AudioSystem.getValueForVibrateSetting(0,
AudioManager.VIBRATE_TYPE_NOTIFICATION,
mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT
: AudioManager.VIBRATE_SETTING_OFF);
mVibrateSetting = AudioSystem.getValueForVibrateSetting(mVibrateSetting,
AudioManager.VIBRATE_TYPE_RINGER,
mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT
: AudioManager.VIBRATE_SETTING_OFF);
updateRingerAndZenModeAffectedStreams();
readDockAudioSettings(cr);
sendEncodedSurroundMode(cr, "readPersistedSettings");
sendEnabledSurroundFormats(cr, true);
}
mMuteAffectedStreams = System.getIntForUser(cr,
System.MUTE_STREAMS_AFFECTED, AudioSystem.DEFAULT_MUTE_STREAMS_AFFECTED,
UserHandle.USER_CURRENT);
updateMasterMono(cr);
// Each stream will read its own persisted settings
// Broadcast the sticky intents
broadcastRingerMode(AudioManager.RINGER_MODE_CHANGED_ACTION, mRingerModeExternal);
broadcastRingerMode(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION, mRingerMode);
// Broadcast vibrate settings
broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER);
broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION);
// Load settings for the volume controller
mVolumeController.loadSettings(cr);
}
private void readUserRestrictions() {
final int currentUser = getCurrentUserId();
// Check the current user restriction.
boolean masterMute =
mUserManagerInternal.getUserRestriction(currentUser,
UserManager.DISALLOW_UNMUTE_DEVICE)
|| mUserManagerInternal.getUserRestriction(currentUser,
UserManager.DISALLOW_ADJUST_VOLUME);
if (mUseFixedVolume) {
masterMute = false;
AudioSystem.setMasterVolume(1.0f);
}
if (DEBUG_VOL) {
Log.d(TAG, String.format("Master mute %s, user=%d", masterMute, currentUser));
}
setSystemAudioMute(masterMute);
AudioSystem.setMasterMute(masterMute);
broadcastMasterMuteStatus(masterMute);
boolean microphoneMute = mUserManagerInternal.getUserRestriction(
currentUser, UserManager.DISALLOW_UNMUTE_MICROPHONE);
if (DEBUG_VOL) {
Log.d(TAG, String.format("Mic mute %s, user=%d", microphoneMute, currentUser));
}
AudioSystem.muteMicrophone(microphoneMute);
}
private int rescaleIndex(int index, int srcStream, int dstStream) {
final int rescaled =
(index * mStreamStates[dstStream].getMaxIndex()
+ mStreamStates[srcStream].getMaxIndex() / 2)
/ mStreamStates[srcStream].getMaxIndex();
if (rescaled < mStreamStates[dstStream].getMinIndex()) {
return mStreamStates[dstStream].getMinIndex();
} else {
return rescaled;
}
}
///////////////////////////////////////////////////////////////////////////
// IPC methods
///////////////////////////////////////////////////////////////////////////
/** @see AudioManager#adjustVolume(int, int) */
public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage, String caller) {
final IAudioPolicyCallback extVolCtlr;
synchronized (mExtVolumeControllerLock) {
extVolCtlr = mExtVolumeController;
}
if (extVolCtlr != null) {
sendMsg(mAudioHandler, MSG_NOTIFY_VOL_EVENT, SENDMSG_QUEUE,
direction, 0 /*ignored*/,
extVolCtlr, 0 /*delay*/);
} else {
adjustSuggestedStreamVolume(direction, suggestedStreamType, flags, callingPackage,
caller, Binder.getCallingUid());
}
}
private void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage, String caller, int uid) {
if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream=" + suggestedStreamType
+ ", flags=" + flags + ", caller=" + caller
+ ", volControlStream=" + mVolumeControlStream
+ ", userSelect=" + mUserSelectedVolumeControlStream);
mVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_ADJUST_SUGG_VOL, suggestedStreamType,
direction/*val1*/, flags/*val2*/, new StringBuilder(callingPackage)
.append("/").append(caller).append(" uid:").append(uid).toString()));
final int streamType;
synchronized (mForceControlStreamLock) {
// Request lock in case mVolumeControlStream is changed by other thread.
if (mUserSelectedVolumeControlStream) { // implies mVolumeControlStream != -1
streamType = mVolumeControlStream;
} else {
final int maybeActiveStreamType = getActiveStreamType(suggestedStreamType);
final boolean activeForReal;
if (maybeActiveStreamType == AudioSystem.STREAM_RING
|| maybeActiveStreamType == AudioSystem.STREAM_NOTIFICATION) {
activeForReal = wasStreamActiveRecently(maybeActiveStreamType, 0);
} else {
activeForReal = AudioSystem.isStreamActive(maybeActiveStreamType, 0);
}
if (activeForReal || mVolumeControlStream == -1) {
streamType = maybeActiveStreamType;
} else {
streamType = mVolumeControlStream;
}
}
}
final boolean isMute = isMuteAdjust(direction);
ensureValidStreamType(streamType);
final int resolvedStream = mStreamVolumeAlias[streamType];
// Play sounds on STREAM_RING only.
if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 &&
resolvedStream != AudioSystem.STREAM_RING) {
flags &= ~AudioManager.FLAG_PLAY_SOUND;
}
// For notifications/ring, show the ui before making any adjustments
// Don't suppress mute/unmute requests
if (mVolumeController.suppressAdjustment(resolvedStream, flags, isMute)) {
direction = 0;
flags &= ~AudioManager.FLAG_PLAY_SOUND;
flags &= ~AudioManager.FLAG_VIBRATE;
if (DEBUG_VOL) Log.d(TAG, "Volume controller suppressed adjustment");
}
adjustStreamVolume(streamType, direction, flags, callingPackage, caller, uid);
}
/** @see AudioManager#adjustStreamVolume(int, int, int) */
public void adjustStreamVolume(int streamType, int direction, int flags,
String callingPackage) {
if ((streamType == AudioManager.STREAM_ACCESSIBILITY) && !canChangeAccessibilityVolume()) {
Log.w(TAG, "Trying to call adjustStreamVolume() for a11y without"
+ "CHANGE_ACCESSIBILITY_VOLUME / callingPackage=" + callingPackage);
return;
}
mVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_ADJUST_STREAM_VOL, streamType,
direction/*val1*/, flags/*val2*/, callingPackage));
adjustStreamVolume(streamType, direction, flags, callingPackage, callingPackage,
Binder.getCallingUid());
}
protected void adjustStreamVolume(int streamType, int direction, int flags,
String callingPackage, String caller, int uid) {
if (mUseFixedVolume) {
return;
}
if (DEBUG_VOL) Log.d(TAG, "adjustStreamVolume() stream=" + streamType + ", dir=" + direction
+ ", flags=" + flags + ", caller=" + caller);
ensureValidDirection(direction);
ensureValidStreamType(streamType);
boolean isMuteAdjust = isMuteAdjust(direction);
if (isMuteAdjust && !isStreamAffectedByMute(streamType)) {
return;
}
// If adjust is mute and the stream is STREAM_VOICE_CALL, make sure
// that the calling app have the MODIFY_PHONE_STATE permission.
if (isMuteAdjust &&
streamType == AudioSystem.STREAM_VOICE_CALL &&
mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_PHONE_STATE)
!= PackageManager.PERMISSION_GRANTED) {
Log.w(TAG, "MODIFY_PHONE_STATE Permission Denial: adjustStreamVolume from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
return;
}
// use stream type alias here so that streams with same alias have the same behavior,
// including with regard to silent mode control (e.g the use of STREAM_RING below and in
// checkForRingerModeChange() in place of STREAM_RING or STREAM_NOTIFICATION)
int streamTypeAlias = mStreamVolumeAlias[streamType];
VolumeStreamState streamState = mStreamStates[streamTypeAlias];
final int device = getDeviceForStream(streamTypeAlias);
int aliasIndex = streamState.getIndex(device);
boolean adjustVolume = true;
int step;
// skip a2dp absolute volume control request when the device
// is not an a2dp device
if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) == 0 &&
(flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) != 0) {
return;
}
// If we are being called by the system (e.g. hardware keys) check for current user
// so we handle user restrictions correctly.
if (uid == android.os.Process.SYSTEM_UID) {
uid = UserHandle.getUid(getCurrentUserId(), UserHandle.getAppId(uid));
}
if (mAppOps.noteOp(STREAM_VOLUME_OPS[streamTypeAlias], uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
// reset any pending volume command
synchronized (mSafeMediaVolumeState) {
mPendingVolumeCommand = null;
}
flags &= ~AudioManager.FLAG_FIXED_VOLUME;
if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) &&
((device & mFixedVolumeDevices) != 0)) {
flags |= AudioManager.FLAG_FIXED_VOLUME;
// Always toggle between max safe volume and 0 for fixed volume devices where safe
// volume is enforced, and max and 0 for the others.
// This is simulated by stepping by the full allowed volume range
if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE &&
(device & mSafeMediaVolumeDevices) != 0) {
step = safeMediaVolumeIndex(device);
} else {
step = streamState.getMaxIndex();
}
if (aliasIndex != 0) {
aliasIndex = step;
}
} else {
// convert one UI step (+/-1) into a number of internal units on the stream alias
step = rescaleIndex(10, streamType, streamTypeAlias);
}
// If either the client forces allowing ringer modes for this adjustment,
// or the stream type is one that is affected by ringer modes
if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
(streamTypeAlias == getUiSoundsStreamType())) {
int ringerMode = getRingerModeInternal();
// do not vibrate if already in vibrate mode
if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
flags &= ~AudioManager.FLAG_VIBRATE;
}
// Check if the ringer mode handles this adjustment. If it does we don't
// need to adjust the volume further.
final int result = checkForRingerModeChange(aliasIndex, direction, step,
streamState.mIsMuted, callingPackage, flags);
adjustVolume = (result & FLAG_ADJUST_VOLUME) != 0;
// If suppressing a volume adjustment in silent mode, display the UI hint
if ((result & AudioManager.FLAG_SHOW_SILENT_HINT) != 0) {
flags |= AudioManager.FLAG_SHOW_SILENT_HINT;
}
// If suppressing a volume down adjustment in vibrate mode, display the UI hint
if ((result & AudioManager.FLAG_SHOW_VIBRATE_HINT) != 0) {
flags |= AudioManager.FLAG_SHOW_VIBRATE_HINT;
}
}
// If the ringer mode or zen is muting the stream, do not change stream unless
// it'll cause us to exit dnd
if (!volumeAdjustmentAllowedByDnd(streamTypeAlias, flags)) {
adjustVolume = false;
}
int oldIndex = mStreamStates[streamType].getIndex(device);
if (adjustVolume && (direction != AudioManager.ADJUST_SAME)) {
mAudioHandler.removeMessages(MSG_UNMUTE_STREAM);
if (isMuteAdjust) {
boolean state;
if (direction == AudioManager.ADJUST_TOGGLE_MUTE) {
state = !streamState.mIsMuted;
} else {
state = direction == AudioManager.ADJUST_MUTE;
}
if (streamTypeAlias == AudioSystem.STREAM_MUSIC) {
setSystemAudioMute(state);
}
for (int stream = 0; stream < mStreamStates.length; stream++) {
if (streamTypeAlias == mStreamVolumeAlias[stream]) {
if (!(readCameraSoundForced()
&& (mStreamStates[stream].getStreamType()
== AudioSystem.STREAM_SYSTEM_ENFORCED))) {
mStreamStates[stream].mute(state);
}
}
}
} else if ((direction == AudioManager.ADJUST_RAISE) &&
!checkSafeMediaVolume(streamTypeAlias, aliasIndex + step, device)) {
Log.e(TAG, "adjustStreamVolume() safe volume index = " + oldIndex);
mVolumeController.postDisplaySafeVolumeWarning(flags);
} else if (streamState.adjustIndex(direction * step, device, caller)
|| streamState.mIsMuted) {
// Post message to set system volume (it in turn will post a
// message to persist).
if (streamState.mIsMuted) {
// Unmute the stream if it was previously muted
if (direction == AudioManager.ADJUST_RAISE) {
// unmute immediately for volume up
streamState.mute(false);
} else if (direction == AudioManager.ADJUST_LOWER) {
if (mIsSingleVolume) {
sendMsg(mAudioHandler, MSG_UNMUTE_STREAM, SENDMSG_QUEUE,
streamTypeAlias, flags, null, UNMUTE_STREAM_DELAY);
}
}
}
sendMsg(mAudioHandler,
MSG_SET_DEVICE_VOLUME,
SENDMSG_QUEUE,
device,
0,
streamState,
0);
}
int newIndex = mStreamStates[streamType].getIndex(device);
// Check if volume update should be send to AVRCP
if (streamTypeAlias == AudioSystem.STREAM_MUSIC &&
(device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 &&
(flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) == 0) {
synchronized (mA2dpAvrcpLock) {
if (mA2dp != null && mAvrcpAbsVolSupported) {
mA2dp.setAvrcpAbsoluteVolume(newIndex / 10);
}
}
}
// Check if volume update should be send to Hearing Aid
if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) {
setHearingAidVolume(newIndex, streamType);
}
// Check if volume update should be sent to Hdmi system audio.
if (streamTypeAlias == AudioSystem.STREAM_MUSIC) {
setSystemAudioVolume(oldIndex, newIndex, getStreamMaxVolume(streamType), flags);
}
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
// mHdmiCecSink true => mHdmiPlaybackClient != null
if (mHdmiCecSink &&
streamTypeAlias == AudioSystem.STREAM_MUSIC &&
oldIndex != newIndex) {
synchronized (mHdmiPlaybackClient) {
int keyCode = (direction == -1) ? KeyEvent.KEYCODE_VOLUME_DOWN :
KeyEvent.KEYCODE_VOLUME_UP;
final long ident = Binder.clearCallingIdentity();
try {
mHdmiPlaybackClient.sendKeyEvent(keyCode, true);
mHdmiPlaybackClient.sendKeyEvent(keyCode, false);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
}
}
}
int index = mStreamStates[streamType].getIndex(device);
sendVolumeUpdate(streamType, oldIndex, index, flags);
}
// Called after a delay when volume down is pressed while muted
private void onUnmuteStream(int stream, int flags) {
VolumeStreamState streamState = mStreamStates[stream];
streamState.mute(false);
final int device = getDeviceForStream(stream);
final int index = mStreamStates[stream].getIndex(device);
sendVolumeUpdate(stream, index, index, flags);
}
private void setSystemAudioVolume(int oldVolume, int newVolume, int maxVolume, int flags) {
if (mHdmiManager == null
|| mHdmiTvClient == null
|| oldVolume == newVolume
|| (flags & AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME) != 0) return;
// Sets the audio volume of AVR when we are in system audio mode. The new volume info
// is tranformed to HDMI-CEC commands and passed through CEC bus.
synchronized (mHdmiManager) {
if (!mHdmiSystemAudioSupported) return;
synchronized (mHdmiTvClient) {
final long token = Binder.clearCallingIdentity();
try {
mHdmiTvClient.setSystemAudioVolume(oldVolume, newVolume, maxVolume);
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
}
// StreamVolumeCommand contains the information needed to defer the process of
// setStreamVolume() in case the user has to acknowledge the safe volume warning message.
class StreamVolumeCommand {
public final int mStreamType;
public final int mIndex;
public final int mFlags;
public final int mDevice;
StreamVolumeCommand(int streamType, int index, int flags, int device) {
mStreamType = streamType;
mIndex = index;
mFlags = flags;
mDevice = device;
}
@Override
public String toString() {
return new StringBuilder().append("{streamType=").append(mStreamType).append(",index=")
.append(mIndex).append(",flags=").append(mFlags).append(",device=")
.append(mDevice).append('}').toString();
}
};
private int getNewRingerMode(int stream, int index, int flags) {
// setRingerMode does nothing if the device is single volume,so the value would be unchanged
if (mIsSingleVolume) {
return getRingerModeExternal();
}
// setting volume on ui sounds stream type also controls silent mode
if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
(stream == getUiSoundsStreamType())) {
int newRingerMode;
if (index == 0) {
newRingerMode = mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE
: mVolumePolicy.volumeDownToEnterSilent ? AudioManager.RINGER_MODE_SILENT
: AudioManager.RINGER_MODE_NORMAL;
} else {
newRingerMode = AudioManager.RINGER_MODE_NORMAL;
}
return newRingerMode;
}
return getRingerModeExternal();
}
private boolean isAndroidNPlus(String caller) {
try {
final ApplicationInfo applicationInfo =
mContext.getPackageManager().getApplicationInfoAsUser(
caller, 0, UserHandle.getUserId(Binder.getCallingUid()));
if (applicationInfo.targetSdkVersion >= Build.VERSION_CODES.N) {
return true;
}
return false;
} catch (PackageManager.NameNotFoundException e) {
return true;
}
}
private boolean wouldToggleZenMode(int newMode) {
if (getRingerModeExternal() == AudioManager.RINGER_MODE_SILENT
&& newMode != AudioManager.RINGER_MODE_SILENT) {
return true;
} else if (getRingerModeExternal() != AudioManager.RINGER_MODE_SILENT
&& newMode == AudioManager.RINGER_MODE_SILENT) {
return true;
}
return false;
}
private void onSetStreamVolume(int streamType, int index, int flags, int device,
String caller) {
final int stream = mStreamVolumeAlias[streamType];
setStreamVolumeInt(stream, index, device, false, caller);
// setting volume on ui sounds stream type also controls silent mode
if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
(stream == getUiSoundsStreamType())) {
setRingerMode(getNewRingerMode(stream, index, flags),
TAG + ".onSetStreamVolume", false /*external*/);
}
// setting non-zero volume for a muted stream unmutes the stream and vice versa
mStreamStates[stream].mute(index == 0);
}
/** @see AudioManager#setStreamVolume(int, int, int) */
public void setStreamVolume(int streamType, int index, int flags, String callingPackage) {
if ((streamType == AudioManager.STREAM_ACCESSIBILITY) && !canChangeAccessibilityVolume()) {
Log.w(TAG, "Trying to call setStreamVolume() for a11y without"
+ " CHANGE_ACCESSIBILITY_VOLUME callingPackage=" + callingPackage);
return;
}
if ((streamType == AudioManager.STREAM_VOICE_CALL) &&
(index == 0) &&
(mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_PHONE_STATE)
!= PackageManager.PERMISSION_GRANTED)) {
Log.w(TAG, "Trying to call setStreamVolume() for STREAM_VOICE_CALL and index 0 without"
+ " MODIFY_PHONE_STATE callingPackage=" + callingPackage);
return;
}
mVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_SET_STREAM_VOL, streamType,
index/*val1*/, flags/*val2*/, callingPackage));
setStreamVolume(streamType, index, flags, callingPackage, callingPackage,
Binder.getCallingUid());
}
private boolean canChangeAccessibilityVolume() {
synchronized (mAccessibilityServiceUidsLock) {
if (PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission(
android.Manifest.permission.CHANGE_ACCESSIBILITY_VOLUME)) {
return true;
}
if (mAccessibilityServiceUids != null) {
int callingUid = Binder.getCallingUid();
for (int i = 0; i < mAccessibilityServiceUids.length; i++) {
if (mAccessibilityServiceUids[i] == callingUid) {
return true;
}
}
}
return false;
}
}
private void setStreamVolume(int streamType, int index, int flags, String callingPackage,
String caller, int uid) {
if (DEBUG_VOL) {
Log.d(TAG, "setStreamVolume(stream=" + streamType+", index=" + index
+ ", calling=" + callingPackage + ")");
}
if (mUseFixedVolume) {
return;
}
ensureValidStreamType(streamType);
int streamTypeAlias = mStreamVolumeAlias[streamType];
VolumeStreamState streamState = mStreamStates[streamTypeAlias];
final int device = getDeviceForStream(streamType);
int oldIndex;
// skip a2dp absolute volume control request when the device
// is not an a2dp device
if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) == 0 &&
(flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) != 0) {
return;
}
// If we are being called by the system (e.g. hardware keys) check for current user
// so we handle user restrictions correctly.
if (uid == android.os.Process.SYSTEM_UID) {
uid = UserHandle.getUid(getCurrentUserId(), UserHandle.getAppId(uid));
}
if (mAppOps.noteOp(STREAM_VOLUME_OPS[streamTypeAlias], uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
if (isAndroidNPlus(callingPackage)
&& wouldToggleZenMode(getNewRingerMode(streamTypeAlias, index, flags))
&& !mNm.isNotificationPolicyAccessGrantedForPackage(callingPackage)) {
throw new SecurityException("Not allowed to change Do Not Disturb state");
}
if (!volumeAdjustmentAllowedByDnd(streamTypeAlias, flags)) {
return;
}
synchronized (mSafeMediaVolumeState) {
// reset any pending volume command
mPendingVolumeCommand = null;
oldIndex = streamState.getIndex(device);
index = rescaleIndex(index * 10, streamType, streamTypeAlias);
if (streamTypeAlias == AudioSystem.STREAM_MUSIC &&
(device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 &&
(flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) == 0) {
synchronized (mA2dpAvrcpLock) {
if (mA2dp != null && mAvrcpAbsVolSupported) {
mA2dp.setAvrcpAbsoluteVolume(index / 10);
}
}
}
if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) {
setHearingAidVolume(index, streamType);
}
if (streamTypeAlias == AudioSystem.STREAM_MUSIC) {
setSystemAudioVolume(oldIndex, index, getStreamMaxVolume(streamType), flags);
}
flags &= ~AudioManager.FLAG_FIXED_VOLUME;
if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) &&
((device & mFixedVolumeDevices) != 0)) {
flags |= AudioManager.FLAG_FIXED_VOLUME;
// volume is either 0 or max allowed for fixed volume devices
if (index != 0) {
if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE &&
(device & mSafeMediaVolumeDevices) != 0) {
index = safeMediaVolumeIndex(device);
} else {
index = streamState.getMaxIndex();
}
}
}
if (!checkSafeMediaVolume(streamTypeAlias, index, device)) {
mVolumeController.postDisplaySafeVolumeWarning(flags);
mPendingVolumeCommand = new StreamVolumeCommand(
streamType, index, flags, device);
} else {
onSetStreamVolume(streamType, index, flags, device, caller);
index = mStreamStates[streamType].getIndex(device);
}
}
sendVolumeUpdate(streamType, oldIndex, index, flags);
}
// No ringer or zen muted stream volumes can be changed unless it'll exit dnd
private boolean volumeAdjustmentAllowedByDnd(int streamTypeAlias, int flags) {
switch (mNm.getZenMode()) {
case Settings.Global.ZEN_MODE_OFF:
return true;
case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS:
case Settings.Global.ZEN_MODE_ALARMS:
case Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
return !isStreamMutedByRingerOrZenMode(streamTypeAlias)
|| streamTypeAlias == getUiSoundsStreamType()
|| (flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0;
}
return true;
}
/** @see AudioManager#forceVolumeControlStream(int) */
public void forceVolumeControlStream(int streamType, IBinder cb) {
if (DEBUG_VOL) { Log.d(TAG, String.format("forceVolumeControlStream(%d)", streamType)); }
synchronized(mForceControlStreamLock) {
if (mVolumeControlStream != -1 && streamType != -1) {
mUserSelectedVolumeControlStream = true;
}
mVolumeControlStream = streamType;
if (mVolumeControlStream == -1) {
if (mForceControlStreamClient != null) {
mForceControlStreamClient.release();
mForceControlStreamClient = null;
}
mUserSelectedVolumeControlStream = false;
} else {
if (null == mForceControlStreamClient) {
mForceControlStreamClient = new ForceControlStreamClient(cb);
} else {
if (mForceControlStreamClient.getBinder() == cb) {
Log.d(TAG, "forceVolumeControlStream cb:" + cb + " is already linked.");
} else {
mForceControlStreamClient.release();
mForceControlStreamClient = new ForceControlStreamClient(cb);
}
}
}
}
}
private class ForceControlStreamClient implements IBinder.DeathRecipient {
private IBinder mCb; // To be notified of client's death
ForceControlStreamClient(IBinder cb) {
if (cb != null) {
try {
cb.linkToDeath(this, 0);
} catch (RemoteException e) {
// Client has died!
Log.w(TAG, "ForceControlStreamClient() could not link to "+cb+" binder death");
cb = null;
}
}
mCb = cb;
}
public void binderDied() {
synchronized(mForceControlStreamLock) {
Log.w(TAG, "SCO client died");
if (mForceControlStreamClient != this) {
Log.w(TAG, "unregistered control stream client died");
} else {
mForceControlStreamClient = null;
mVolumeControlStream = -1;
mUserSelectedVolumeControlStream = false;
}
}
}
public void release() {
if (mCb != null) {
mCb.unlinkToDeath(this, 0);
mCb = null;
}
}
public IBinder getBinder() {
return mCb;
}
}
private void sendBroadcastToAll(Intent intent) {
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
final long ident = Binder.clearCallingIdentity();
try {
mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private void sendStickyBroadcastToAll(Intent intent) {
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
final long ident = Binder.clearCallingIdentity();
try {
mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private int getCurrentUserId() {
final long ident = Binder.clearCallingIdentity();
try {
UserInfo currentUser = ActivityManager.getService().getCurrentUser();
return currentUser.id;
} catch (RemoteException e) {
// Activity manager not running, nothing we can do assume user 0.
} finally {
Binder.restoreCallingIdentity(ident);
}
return UserHandle.USER_SYSTEM;
}
// UI update and Broadcast Intent
protected void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) {
streamType = mStreamVolumeAlias[streamType];
if (streamType == AudioSystem.STREAM_MUSIC) {
flags = updateFlagsForSystemAudio(flags);
}
mVolumeController.postVolumeChanged(streamType, flags);
}
// If Hdmi-CEC system audio mode is on, we show volume bar only when TV
// receives volume notification from Audio Receiver.
private int updateFlagsForSystemAudio(int flags) {
if (mHdmiTvClient != null) {
synchronized (mHdmiTvClient) {
if (mHdmiSystemAudioSupported &&
((flags & AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME) == 0)) {
flags &= ~AudioManager.FLAG_SHOW_UI;
}
}
}
return flags;
}
// UI update and Broadcast Intent
private void sendMasterMuteUpdate(boolean muted, int flags) {
mVolumeController.postMasterMuteChanged(updateFlagsForSystemAudio(flags));
broadcastMasterMuteStatus(muted);
}
private void broadcastMasterMuteStatus(boolean muted) {
Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, muted);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT
| Intent.FLAG_RECEIVER_REPLACE_PENDING);
sendStickyBroadcastToAll(intent);
}
/**
* Sets the stream state's index, and posts a message to set system volume.
* This will not call out to the UI. Assumes a valid stream type.
*
* @param streamType Type of the stream
* @param index Desired volume index of the stream
* @param device the device whose volume must be changed
* @param force If true, set the volume even if the desired volume is same
* as the current volume.
*/
private void setStreamVolumeInt(int streamType,
int index,
int device,
boolean force,
String caller) {
VolumeStreamState streamState = mStreamStates[streamType];
if (streamState.setIndex(index, device, caller) || force) {
// Post message to set system volume (it in turn will post a message
// to persist).
sendMsg(mAudioHandler,
MSG_SET_DEVICE_VOLUME,
SENDMSG_QUEUE,
device,
0,
streamState,
0);
}
}
private void setSystemAudioMute(boolean state) {
if (mHdmiManager == null || mHdmiTvClient == null) return;
synchronized (mHdmiManager) {
if (!mHdmiSystemAudioSupported) return;
synchronized (mHdmiTvClient) {
final long token = Binder.clearCallingIdentity();
try {
mHdmiTvClient.setSystemAudioMute(state);
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
}
/** get stream mute state. */
public boolean isStreamMute(int streamType) {
if (streamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
streamType = getActiveStreamType(streamType);
}
synchronized (VolumeStreamState.class) {
ensureValidStreamType(streamType);
return mStreamStates[streamType].mIsMuted;
}
}
private class RmtSbmxFullVolDeathHandler implements IBinder.DeathRecipient {
private IBinder mICallback; // To be notified of client's death
RmtSbmxFullVolDeathHandler(IBinder cb) {
mICallback = cb;
try {
cb.linkToDeath(this, 0/*flags*/);
} catch (RemoteException e) {
Log.e(TAG, "can't link to death", e);
}
}
boolean isHandlerFor(IBinder cb) {
return mICallback.equals(cb);
}
void forget() {
try {
mICallback.unlinkToDeath(this, 0/*flags*/);
} catch (NoSuchElementException e) {
Log.e(TAG, "error unlinking to death", e);
}
}
public void binderDied() {
Log.w(TAG, "Recorder with remote submix at full volume died " + mICallback);
forceRemoteSubmixFullVolume(false, mICallback);
}
}
/**
* call must be synchronized on mRmtSbmxFullVolDeathHandlers
* @return true if there is a registered death handler, false otherwise */
private boolean discardRmtSbmxFullVolDeathHandlerFor(IBinder cb) {
Iterator<RmtSbmxFullVolDeathHandler> it = mRmtSbmxFullVolDeathHandlers.iterator();
while (it.hasNext()) {
final RmtSbmxFullVolDeathHandler handler = it.next();
if (handler.isHandlerFor(cb)) {
handler.forget();
mRmtSbmxFullVolDeathHandlers.remove(handler);
return true;
}
}
return false;
}
/** call synchronized on mRmtSbmxFullVolDeathHandlers */
private boolean hasRmtSbmxFullVolDeathHandlerFor(IBinder cb) {
Iterator<RmtSbmxFullVolDeathHandler> it = mRmtSbmxFullVolDeathHandlers.iterator();
while (it.hasNext()) {
if (it.next().isHandlerFor(cb)) {
return true;
}
}
return false;
}
private int mRmtSbmxFullVolRefCount = 0;
private ArrayList<RmtSbmxFullVolDeathHandler> mRmtSbmxFullVolDeathHandlers =
new ArrayList<RmtSbmxFullVolDeathHandler>();
public void forceRemoteSubmixFullVolume(boolean startForcing, IBinder cb) {
if (cb == null) {
return;
}
if ((PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission(
android.Manifest.permission.CAPTURE_AUDIO_OUTPUT))) {
Log.w(TAG, "Trying to call forceRemoteSubmixFullVolume() without CAPTURE_AUDIO_OUTPUT");
return;
}
synchronized(mRmtSbmxFullVolDeathHandlers) {
boolean applyRequired = false;
if (startForcing) {
if (!hasRmtSbmxFullVolDeathHandlerFor(cb)) {
mRmtSbmxFullVolDeathHandlers.add(new RmtSbmxFullVolDeathHandler(cb));
if (mRmtSbmxFullVolRefCount == 0) {
mFullVolumeDevices |= AudioSystem.DEVICE_OUT_REMOTE_SUBMIX;
mFixedVolumeDevices |= AudioSystem.DEVICE_OUT_REMOTE_SUBMIX;
applyRequired = true;
}
mRmtSbmxFullVolRefCount++;
}
} else {
if (discardRmtSbmxFullVolDeathHandlerFor(cb) && (mRmtSbmxFullVolRefCount > 0)) {
mRmtSbmxFullVolRefCount--;
if (mRmtSbmxFullVolRefCount == 0) {
mFullVolumeDevices &= ~AudioSystem.DEVICE_OUT_REMOTE_SUBMIX;
mFixedVolumeDevices &= ~AudioSystem.DEVICE_OUT_REMOTE_SUBMIX;
applyRequired = true;
}
}
}
if (applyRequired) {
// Assumes only STREAM_MUSIC going through DEVICE_OUT_REMOTE_SUBMIX
checkAllFixedVolumeDevices(AudioSystem.STREAM_MUSIC);
mStreamStates[AudioSystem.STREAM_MUSIC].applyAllVolumes();
}
}
}
private void setMasterMuteInternal(boolean mute, int flags, String callingPackage, int uid,
int userId) {
// If we are being called by the system check for user we are going to change
// so we handle user restrictions correctly.
if (uid == android.os.Process.SYSTEM_UID) {
uid = UserHandle.getUid(userId, UserHandle.getAppId(uid));
}
// If OP_AUDIO_MASTER_VOLUME is set, disallow unmuting.
if (!mute && mAppOps.noteOp(AppOpsManager.OP_AUDIO_MASTER_VOLUME, uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
if (userId != UserHandle.getCallingUserId() &&
mContext.checkCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
!= PackageManager.PERMISSION_GRANTED) {
return;
}
setMasterMuteInternalNoCallerCheck(mute, flags, userId);
}
private void setMasterMuteInternalNoCallerCheck(boolean mute, int flags, int userId) {
if (DEBUG_VOL) {
Log.d(TAG, String.format("Master mute %s, %d, user=%d", mute, flags, userId));
}
if (!isPlatformAutomotive() && mUseFixedVolume) {
// If using fixed volume, we don't mute.
// TODO: remove the isPlatformAutomotive check here.
// The isPlatformAutomotive check is added for safety but may not be necessary.
return;
}
if (getCurrentUserId() == userId) {
if (mute != AudioSystem.getMasterMute()) {
setSystemAudioMute(mute);
AudioSystem.setMasterMute(mute);
sendMasterMuteUpdate(mute, flags);
Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, mute);
sendBroadcastToAll(intent);
}
}
}
/** get master mute state. */
public boolean isMasterMute() {
return AudioSystem.getMasterMute();
}
public void setMasterMute(boolean mute, int flags, String callingPackage, int userId) {
setMasterMuteInternal(mute, flags, callingPackage, Binder.getCallingUid(),
userId);
}
/** @see AudioManager#getStreamVolume(int) */
public int getStreamVolume(int streamType) {
ensureValidStreamType(streamType);
int device = getDeviceForStream(streamType);
synchronized (VolumeStreamState.class) {
int index = mStreamStates[streamType].getIndex(device);
// by convention getStreamVolume() returns 0 when a stream is muted.
if (mStreamStates[streamType].mIsMuted) {
index = 0;
}
if (index != 0 && (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) &&
(device & mFixedVolumeDevices) != 0) {
index = mStreamStates[streamType].getMaxIndex();
}
return (index + 5) / 10;
}
}
/** @see AudioManager#getStreamMaxVolume(int) */
public int getStreamMaxVolume(int streamType) {
ensureValidStreamType(streamType);
return (mStreamStates[streamType].getMaxIndex() + 5) / 10;
}
/** @see AudioManager#getStreamMinVolumeInt(int) */
public int getStreamMinVolume(int streamType) {
ensureValidStreamType(streamType);
return (mStreamStates[streamType].getMinIndex() + 5) / 10;
}
/** Get last audible volume before stream was muted. */
public int getLastAudibleStreamVolume(int streamType) {
ensureValidStreamType(streamType);
int device = getDeviceForStream(streamType);
return (mStreamStates[streamType].getIndex(device) + 5) / 10;
}
/** @see AudioManager#getUiSoundsStreamType() */
public int getUiSoundsStreamType() {
return mStreamVolumeAlias[AudioSystem.STREAM_SYSTEM];
}
/** @see AudioManager#setMicrophoneMute(boolean) */
@Override
public void setMicrophoneMute(boolean on, String callingPackage, int userId) {
// If we are being called by the system check for user we are going to change
// so we handle user restrictions correctly.
int uid = Binder.getCallingUid();
if (uid == android.os.Process.SYSTEM_UID) {
uid = UserHandle.getUid(userId, UserHandle.getAppId(uid));
}
// If OP_MUTE_MICROPHONE is set, disallow unmuting.
if (!on && mAppOps.noteOp(AppOpsManager.OP_MUTE_MICROPHONE, uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
if (!checkAudioSettingsPermission("setMicrophoneMute()")) {
return;
}
if (userId != UserHandle.getCallingUserId() &&
mContext.checkCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
!= PackageManager.PERMISSION_GRANTED) {
return;
}
setMicrophoneMuteNoCallerCheck(on, userId);
}
private void setMicrophoneMuteNoCallerCheck(boolean on, int userId) {
if (DEBUG_VOL) {
Log.d(TAG, String.format("Mic mute %s, user=%d", on, userId));
}
// only mute for the current user
if (getCurrentUserId() == userId) {
final boolean currentMute = AudioSystem.isMicrophoneMuted();
final long identity = Binder.clearCallingIdentity();
AudioSystem.muteMicrophone(on);
Binder.restoreCallingIdentity(identity);
if (on != currentMute) {
mContext.sendBroadcast(new Intent(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED)
.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY));
}
}
}
@Override
public int getRingerModeExternal() {
synchronized(mSettingsLock) {
return mRingerModeExternal;
}
}
@Override
public int getRingerModeInternal() {
synchronized(mSettingsLock) {
return mRingerMode;
}
}
private void ensureValidRingerMode(int ringerMode) {
if (!isValidRingerMode(ringerMode)) {
throw new IllegalArgumentException("Bad ringer mode " + ringerMode);
}
}
/** @see AudioManager#isValidRingerMode(int) */
public boolean isValidRingerMode(int ringerMode) {
return ringerMode >= 0 && ringerMode <= AudioManager.RINGER_MODE_MAX;
}
public void setRingerModeExternal(int ringerMode, String caller) {
if (isAndroidNPlus(caller) && wouldToggleZenMode(ringerMode)
&& !mNm.isNotificationPolicyAccessGrantedForPackage(caller)) {
throw new SecurityException("Not allowed to change Do Not Disturb state");
}
setRingerMode(ringerMode, caller, true /*external*/);
}
public void setRingerModeInternal(int ringerMode, String caller) {
enforceVolumeController("setRingerModeInternal");
setRingerMode(ringerMode, caller, false /*external*/);
}
public void silenceRingerModeInternal(String reason) {
VibrationEffect effect = null;
int ringerMode = AudioManager.RINGER_MODE_SILENT;
int toastText = 0;
int silenceRingerSetting = Settings.Secure.VOLUME_HUSH_OFF;
if (mContext.getResources()
.getBoolean(com.android.internal.R.bool.config_volumeHushGestureEnabled)) {
silenceRingerSetting = Settings.Secure.getIntForUser(mContentResolver,
Settings.Secure.VOLUME_HUSH_GESTURE, VOLUME_HUSH_OFF,
UserHandle.USER_CURRENT);
}
switch(silenceRingerSetting) {
case VOLUME_HUSH_MUTE:
effect = VibrationEffect.get(VibrationEffect.EFFECT_DOUBLE_CLICK);
ringerMode = AudioManager.RINGER_MODE_SILENT;
toastText = com.android.internal.R.string.volume_dialog_ringer_guidance_silent;
break;
case VOLUME_HUSH_VIBRATE:
effect = VibrationEffect.get(VibrationEffect.EFFECT_HEAVY_CLICK);
ringerMode = AudioManager.RINGER_MODE_VIBRATE;
toastText = com.android.internal.R.string.volume_dialog_ringer_guidance_vibrate;
break;
}
maybeVibrate(effect);
setRingerModeInternal(ringerMode, reason);
Toast.makeText(mContext, toastText, Toast.LENGTH_SHORT).show();
}
private boolean maybeVibrate(VibrationEffect effect) {
if (!mHasVibrator) {
return false;
}
final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
if (hapticsDisabled) {
return false;
}
if (effect == null) {
return false;
}
mVibrator.vibrate(
Binder.getCallingUid(), mContext.getOpPackageName(), effect, VIBRATION_ATTRIBUTES);
return true;
}
private void setRingerMode(int ringerMode, String caller, boolean external) {
if (mUseFixedVolume || mIsSingleVolume) {
return;
}
if (caller == null || caller.length() == 0) {
throw new IllegalArgumentException("Bad caller: " + caller);
}
ensureValidRingerMode(ringerMode);
if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) {
ringerMode = AudioManager.RINGER_MODE_SILENT;
}
final long identity = Binder.clearCallingIdentity();
try {
synchronized (mSettingsLock) {
final int ringerModeInternal = getRingerModeInternal();
final int ringerModeExternal = getRingerModeExternal();
if (external) {
setRingerModeExt(ringerMode);
if (mRingerModeDelegate != null) {
ringerMode = mRingerModeDelegate.onSetRingerModeExternal(ringerModeExternal,
ringerMode, caller, ringerModeInternal, mVolumePolicy);
}
if (ringerMode != ringerModeInternal) {
setRingerModeInt(ringerMode, true /*persist*/);
}
} else /*internal*/ {
if (ringerMode != ringerModeInternal) {
setRingerModeInt(ringerMode, true /*persist*/);
}
if (mRingerModeDelegate != null) {
ringerMode = mRingerModeDelegate.onSetRingerModeInternal(ringerModeInternal,
ringerMode, caller, ringerModeExternal, mVolumePolicy);
}
setRingerModeExt(ringerMode);
}
}
} finally {
Binder.restoreCallingIdentity(identity);
}
}
private void setRingerModeExt(int ringerMode) {
synchronized(mSettingsLock) {
if (ringerMode == mRingerModeExternal) return;
mRingerModeExternal = ringerMode;
}
// Send sticky broadcast
broadcastRingerMode(AudioManager.RINGER_MODE_CHANGED_ACTION, ringerMode);
}
@GuardedBy("mSettingsLock")
private void muteRingerModeStreams() {
// Mute stream if not previously muted by ringer mode and (ringer mode
// is not RINGER_MODE_NORMAL OR stream is zen muted) and stream is affected by ringer mode.
// Unmute stream if previously muted by ringer/zen mode and ringer mode
// is RINGER_MODE_NORMAL or stream is not affected by ringer mode.
int numStreamTypes = AudioSystem.getNumStreamTypes();
if (mNm == null) {
mNm = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
}
final int ringerMode = mRingerMode; // Read ringer mode as reading primitives is atomic
final boolean ringerModeMute = ringerMode == AudioManager.RINGER_MODE_VIBRATE
|| ringerMode == AudioManager.RINGER_MODE_SILENT;
final boolean shouldRingSco = ringerMode == AudioManager.RINGER_MODE_VIBRATE
&& isBluetoothScoOn();
// Ask audio policy engine to force use Bluetooth SCO channel if needed
final String eventSource = "muteRingerModeStreams() from u/pid:" + Binder.getCallingUid()
+ "/" + Binder.getCallingPid();
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, AudioSystem.FOR_VIBRATE_RINGING,
shouldRingSco ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE, eventSource, 0);
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
final boolean isMuted = isStreamMutedByRingerOrZenMode(streamType);
final boolean muteAllowedBySco =
!(shouldRingSco && streamType == AudioSystem.STREAM_RING);
final boolean shouldZenMute = shouldZenMuteStream(streamType);
final boolean shouldMute = shouldZenMute || (ringerModeMute
&& isStreamAffectedByRingerMode(streamType) && muteAllowedBySco);
if (isMuted == shouldMute) continue;
if (!shouldMute) {
// unmute
// ring and notifications volume should never be 0 when not silenced
if (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_RING) {
synchronized (VolumeStreamState.class) {
final VolumeStreamState vss = mStreamStates[streamType];
for (int i = 0; i < vss.mIndexMap.size(); i++) {
int device = vss.mIndexMap.keyAt(i);
int value = vss.mIndexMap.valueAt(i);
if (value == 0) {
vss.setIndex(10, device, TAG);
}
}
// Persist volume for stream ring when it is changed here
final int device = getDeviceForStream(streamType);
sendMsg(mAudioHandler,
MSG_PERSIST_VOLUME,
SENDMSG_QUEUE,
device,
0,
mStreamStates[streamType],
PERSIST_DELAY);
}
}
mStreamStates[streamType].mute(false);
mRingerAndZenModeMutedStreams &= ~(1 << streamType);
} else {
// mute
mStreamStates[streamType].mute(true);
mRingerAndZenModeMutedStreams |= (1 << streamType);
}
}
}
private boolean isAlarm(int streamType) {
return streamType == AudioSystem.STREAM_ALARM;
}
private boolean isNotificationOrRinger(int streamType) {
return streamType == AudioSystem.STREAM_NOTIFICATION
|| streamType == AudioSystem.STREAM_RING;
}
private boolean isMedia(int streamType) {
return streamType == AudioSystem.STREAM_MUSIC;
}
private boolean isSystem(int streamType) {
return streamType == AudioSystem.STREAM_SYSTEM;
}
private void setRingerModeInt(int ringerMode, boolean persist) {
final boolean change;
synchronized(mSettingsLock) {
change = mRingerMode != ringerMode;
mRingerMode = ringerMode;
muteRingerModeStreams();
}
// Post a persist ringer mode msg
if (persist) {
sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE,
SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY);
}
if (change) {
// Send sticky broadcast
broadcastRingerMode(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION, ringerMode);
}
}
/** @see AudioManager#shouldVibrate(int) */
public boolean shouldVibrate(int vibrateType) {
if (!mHasVibrator) return false;
switch (getVibrateSetting(vibrateType)) {
case AudioManager.VIBRATE_SETTING_ON:
return getRingerModeExternal() != AudioManager.RINGER_MODE_SILENT;
case AudioManager.VIBRATE_SETTING_ONLY_SILENT:
return getRingerModeExternal() == AudioManager.RINGER_MODE_VIBRATE;
case AudioManager.VIBRATE_SETTING_OFF:
// return false, even for incoming calls
return false;
default:
return false;
}
}
/** @see AudioManager#getVibrateSetting(int) */
public int getVibrateSetting(int vibrateType) {
if (!mHasVibrator) return AudioManager.VIBRATE_SETTING_OFF;
return (mVibrateSetting >> (vibrateType * 2)) & 3;
}
/** @see AudioManager#setVibrateSetting(int, int) */
public void setVibrateSetting(int vibrateType, int vibrateSetting) {
if (!mHasVibrator) return;
mVibrateSetting = AudioSystem.getValueForVibrateSetting(mVibrateSetting, vibrateType,
vibrateSetting);
// Broadcast change
broadcastVibrateSetting(vibrateType);
}
private class SetModeDeathHandler implements IBinder.DeathRecipient {
private IBinder mCb; // To be notified of client's death
private int mPid;
private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client
SetModeDeathHandler(IBinder cb, int pid) {
mCb = cb;
mPid = pid;
}
public void binderDied() {
int oldModeOwnerPid = 0;
int newModeOwnerPid = 0;
synchronized(mSetModeDeathHandlers) {
Log.w(TAG, "setMode() client died");
if (!mSetModeDeathHandlers.isEmpty()) {
oldModeOwnerPid = mSetModeDeathHandlers.get(0).getPid();
}
int index = mSetModeDeathHandlers.indexOf(this);
if (index < 0) {
Log.w(TAG, "unregistered setMode() client died");
} else {
newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid, TAG);
}
}
// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
// SCO connections not started by the application changing the mode when pid changes
if ((newModeOwnerPid != oldModeOwnerPid) && (newModeOwnerPid != 0)) {
final long ident = Binder.clearCallingIdentity();
disconnectBluetoothSco(newModeOwnerPid);
Binder.restoreCallingIdentity(ident);
}
}
public int getPid() {
return mPid;
}
public void setMode(int mode) {
mMode = mode;
}
public int getMode() {
return mMode;
}
public IBinder getBinder() {
return mCb;
}
}
/** @see AudioManager#setMode(int) */
public void setMode(int mode, IBinder cb, String callingPackage) {
if (DEBUG_MODE) { Log.v(TAG, "setMode(mode=" + mode + ", callingPackage=" + callingPackage + ")"); }
if (!checkAudioSettingsPermission("setMode()")) {
return;
}
if ( (mode == AudioSystem.MODE_IN_CALL) &&
(mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_PHONE_STATE)
!= PackageManager.PERMISSION_GRANTED)) {
Log.w(TAG, "MODIFY_PHONE_STATE Permission Denial: setMode(MODE_IN_CALL) from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
return;
}
if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) {
return;
}
int oldModeOwnerPid = 0;
int newModeOwnerPid = 0;
synchronized(mSetModeDeathHandlers) {
if (!mSetModeDeathHandlers.isEmpty()) {
oldModeOwnerPid = mSetModeDeathHandlers.get(0).getPid();
}
if (mode == AudioSystem.MODE_CURRENT) {
mode = mMode;
}
newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid(), callingPackage);
}
// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
// SCO connections not started by the application changing the mode when pid changes
if ((newModeOwnerPid != oldModeOwnerPid) && (newModeOwnerPid != 0)) {
disconnectBluetoothSco(newModeOwnerPid);
}
}
// must be called synchronized on mSetModeDeathHandlers
// setModeInt() returns a valid PID if the audio mode was successfully set to
// any mode other than NORMAL.
private int setModeInt(int mode, IBinder cb, int pid, String caller) {
if (DEBUG_MODE) { Log.v(TAG, "setModeInt(mode=" + mode + ", pid=" + pid + ", caller="
+ caller + ")"); }
int newModeOwnerPid = 0;
if (cb == null) {
Log.e(TAG, "setModeInt() called with null binder");
return newModeOwnerPid;
}
SetModeDeathHandler hdlr = null;
Iterator iter = mSetModeDeathHandlers.iterator();
while (iter.hasNext()) {
SetModeDeathHandler h = (SetModeDeathHandler)iter.next();
if (h.getPid() == pid) {
hdlr = h;
// Remove from client list so that it is re-inserted at top of list
iter.remove();
hdlr.getBinder().unlinkToDeath(hdlr, 0);
break;
}
}
int status = AudioSystem.AUDIO_STATUS_OK;
int actualMode;
do {
actualMode = mode;
if (mode == AudioSystem.MODE_NORMAL) {
// get new mode from client at top the list if any
if (!mSetModeDeathHandlers.isEmpty()) {
hdlr = mSetModeDeathHandlers.get(0);
cb = hdlr.getBinder();
actualMode = hdlr.getMode();
if (DEBUG_MODE) {
Log.w(TAG, " using mode=" + mode + " instead due to death hdlr at pid="
+ hdlr.mPid);
}
}
} else {
if (hdlr == null) {
hdlr = new SetModeDeathHandler(cb, pid);
}
// Register for client death notification
try {
cb.linkToDeath(hdlr, 0);
} catch (RemoteException e) {
// Client has died!
Log.w(TAG, "setMode() could not link to "+cb+" binder death");
}
// Last client to call setMode() is always at top of client list
// as required by SetModeDeathHandler.binderDied()
mSetModeDeathHandlers.add(0, hdlr);
hdlr.setMode(mode);
}
if (actualMode != mMode) {
final long identity = Binder.clearCallingIdentity();
status = AudioSystem.setPhoneState(actualMode);
Binder.restoreCallingIdentity(identity);
if (status == AudioSystem.AUDIO_STATUS_OK) {
if (DEBUG_MODE) { Log.v(TAG, " mode successfully set to " + actualMode); }
mMode = actualMode;
} else {
if (hdlr != null) {
mSetModeDeathHandlers.remove(hdlr);
cb.unlinkToDeath(hdlr, 0);
}
// force reading new top of mSetModeDeathHandlers stack
if (DEBUG_MODE) { Log.w(TAG, " mode set to MODE_NORMAL after phoneState pb"); }
mode = AudioSystem.MODE_NORMAL;
}
} else {
status = AudioSystem.AUDIO_STATUS_OK;
}
} while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty());
if (status == AudioSystem.AUDIO_STATUS_OK) {
if (actualMode != AudioSystem.MODE_NORMAL) {
if (mSetModeDeathHandlers.isEmpty()) {
Log.e(TAG, "setMode() different from MODE_NORMAL with empty mode client stack");
} else {
newModeOwnerPid = mSetModeDeathHandlers.get(0).getPid();
}
}
// Note: newModeOwnerPid is always 0 when actualMode is MODE_NORMAL
mModeLogger.log(
new PhoneStateEvent(caller, pid, mode, newModeOwnerPid, actualMode));
int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE);
int device = getDeviceForStream(streamType);
int index = mStreamStates[mStreamVolumeAlias[streamType]].getIndex(device);
setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, true, caller);
updateStreamVolumeAlias(true /*updateVolumes*/, caller);
}
return newModeOwnerPid;
}
/** @see AudioManager#getMode() */
public int getMode() {
return mMode;
}
//==========================================================================================
// Sound Effects
//==========================================================================================
private static final String TAG_AUDIO_ASSETS = "audio_assets";
private static final String ATTR_VERSION = "version";
private static final String TAG_GROUP = "group";
private static final String ATTR_GROUP_NAME = "name";
private static final String TAG_ASSET = "asset";
private static final String ATTR_ASSET_ID = "id";
private static final String ATTR_ASSET_FILE = "file";
private static final String ASSET_FILE_VERSION = "1.0";
private static final String GROUP_TOUCH_SOUNDS = "touch_sounds";
private static final int SOUND_EFFECTS_LOAD_TIMEOUT_MS = 5000;
class LoadSoundEffectReply {
public int mStatus = 1;
};
private void loadTouchSoundAssetDefaults() {
SOUND_EFFECT_FILES.add("Effect_Tick.ogg");
for (int i = 0; i < AudioManager.NUM_SOUND_EFFECTS; i++) {
SOUND_EFFECT_FILES_MAP[i][0] = 0;
SOUND_EFFECT_FILES_MAP[i][1] = -1;
}
}
private void loadTouchSoundAssets() {
XmlResourceParser parser = null;
// only load assets once.
if (!SOUND_EFFECT_FILES.isEmpty()) {
return;
}
loadTouchSoundAssetDefaults();
try {
parser = mContext.getResources().getXml(com.android.internal.R.xml.audio_assets);
XmlUtils.beginDocument(parser, TAG_AUDIO_ASSETS);
String version = parser.getAttributeValue(null, ATTR_VERSION);
boolean inTouchSoundsGroup = false;
if (ASSET_FILE_VERSION.equals(version)) {
while (true) {
XmlUtils.nextElement(parser);
String element = parser.getName();
if (element == null) {
break;
}
if (element.equals(TAG_GROUP)) {
String name = parser.getAttributeValue(null, ATTR_GROUP_NAME);
if (GROUP_TOUCH_SOUNDS.equals(name)) {
inTouchSoundsGroup = true;
break;
}
}
}
while (inTouchSoundsGroup) {
XmlUtils.nextElement(parser);
String element = parser.getName();
if (element == null) {
break;
}
if (element.equals(TAG_ASSET)) {
String id = parser.getAttributeValue(null, ATTR_ASSET_ID);
String file = parser.getAttributeValue(null, ATTR_ASSET_FILE);
int fx;
try {
Field field = AudioManager.class.getField(id);
fx = field.getInt(null);
} catch (Exception e) {
Log.w(TAG, "Invalid touch sound ID: "+id);
continue;
}
int i = SOUND_EFFECT_FILES.indexOf(file);
if (i == -1) {
i = SOUND_EFFECT_FILES.size();
SOUND_EFFECT_FILES.add(file);
}
SOUND_EFFECT_FILES_MAP[fx][0] = i;
} else {
break;
}
}
}
} catch (Resources.NotFoundException e) {
Log.w(TAG, "audio assets file not found", e);
} catch (XmlPullParserException e) {
Log.w(TAG, "XML parser exception reading touch sound assets", e);
} catch (IOException e) {
Log.w(TAG, "I/O exception reading touch sound assets", e);
} finally {
if (parser != null) {
parser.close();
}
}
}
/** @see AudioManager#playSoundEffect(int) */
public void playSoundEffect(int effectType) {
playSoundEffectVolume(effectType, -1.0f);
}
/** @see AudioManager#playSoundEffect(int, float) */
public void playSoundEffectVolume(int effectType, float volume) {
// do not try to play the sound effect if the system stream is muted
if (isStreamMutedByRingerOrZenMode(STREAM_SYSTEM)) {
return;
}
if (effectType >= AudioManager.NUM_SOUND_EFFECTS || effectType < 0) {
Log.w(TAG, "AudioService effectType value " + effectType + " out of range");
return;
}
sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_QUEUE,
effectType, (int) (volume * 1000), null, 0);
}
/**
* Loads samples into the soundpool.
* This method must be called at first when sound effects are enabled
*/
public boolean loadSoundEffects() {
int attempts = 3;
LoadSoundEffectReply reply = new LoadSoundEffectReply();
synchronized (reply) {
sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE, 0, 0, reply, 0);
while ((reply.mStatus == 1) && (attempts-- > 0)) {
try {
reply.wait(SOUND_EFFECTS_LOAD_TIMEOUT_MS);
} catch (InterruptedException e) {
Log.w(TAG, "loadSoundEffects Interrupted while waiting sound pool loaded.");
}
}
}
return (reply.mStatus == 0);
}
/**
* Unloads samples from the sound pool.
* This method can be called to free some memory when
* sound effects are disabled.
*/
public void unloadSoundEffects() {
sendMsg(mAudioHandler, MSG_UNLOAD_SOUND_EFFECTS, SENDMSG_QUEUE, 0, 0, null, 0);
}
class SoundPoolListenerThread extends Thread {
public SoundPoolListenerThread() {
super("SoundPoolListenerThread");
}
@Override
public void run() {
Looper.prepare();
mSoundPoolLooper = Looper.myLooper();
synchronized (mSoundEffectsLock) {
if (mSoundPool != null) {
mSoundPoolCallBack = new SoundPoolCallback();
mSoundPool.setOnLoadCompleteListener(mSoundPoolCallBack);
}
mSoundEffectsLock.notify();
}
Looper.loop();
}
}
private final class SoundPoolCallback implements
android.media.SoundPool.OnLoadCompleteListener {
int mStatus = 1; // 1 means neither error nor last sample loaded yet
List<Integer> mSamples = new ArrayList<Integer>();
public int status() {
return mStatus;
}
public void setSamples(int[] samples) {
for (int i = 0; i < samples.length; i++) {
// do not wait ack for samples rejected upfront by SoundPool
if (samples[i] > 0) {
mSamples.add(samples[i]);
}
}
}
public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
synchronized (mSoundEffectsLock) {
int i = mSamples.indexOf(sampleId);
if (i >= 0) {
mSamples.remove(i);
}
if ((status != 0) || mSamples. isEmpty()) {
mStatus = status;
mSoundEffectsLock.notify();
}
}
}
}
/** @see AudioManager#reloadAudioSettings() */
public void reloadAudioSettings() {
readAudioSettings(false /*userSwitch*/);
}
private void readAudioSettings(boolean userSwitch) {
// restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings
readPersistedSettings();
readUserRestrictions();
// restore volume settings
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = 0; streamType < numStreamTypes; streamType++) {
VolumeStreamState streamState = mStreamStates[streamType];
if (userSwitch && mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) {
continue;
}
streamState.readSettings();
synchronized (VolumeStreamState.class) {
// unmute stream that was muted but is not affect by mute anymore
if (streamState.mIsMuted && ((!isStreamAffectedByMute(streamType) &&
!isStreamMutedByRingerOrZenMode(streamType)) || mUseFixedVolume)) {
streamState.mIsMuted = false;
}
}
}
// apply new ringer mode before checking volume for alias streams so that streams
// muted by ringer mode have the correct volume
setRingerModeInt(getRingerModeInternal(), false);
checkAllFixedVolumeDevices();
checkAllAliasStreamVolumes();
checkMuteAffectedStreams();
synchronized (mSafeMediaVolumeState) {
mMusicActiveMs = MathUtils.constrain(Settings.Secure.getIntForUser(mContentResolver,
Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS, 0, UserHandle.USER_CURRENT),
0, UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX);
if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE) {
enforceSafeMediaVolume(TAG);
}
}
}
/** @see AudioManager#setSpeakerphoneOn(boolean) */
public void setSpeakerphoneOn(boolean on){
if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) {
return;
}
// for logging only
final String eventSource = new StringBuilder("setSpeakerphoneOn(").append(on)
.append(") from u/pid:").append(Binder.getCallingUid()).append("/")
.append(Binder.getCallingPid()).toString();
if (on) {
if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_RECORD, AudioSystem.FORCE_NONE,
eventSource, 0);
}
mForcedUseForComm = AudioSystem.FORCE_SPEAKER;
} else if (mForcedUseForComm == AudioSystem.FORCE_SPEAKER){
mForcedUseForComm = AudioSystem.FORCE_NONE;
}
mForcedUseForCommExt = mForcedUseForComm;
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, eventSource, 0);
}
/** @see AudioManager#isSpeakerphoneOn() */
public boolean isSpeakerphoneOn() {
return (mForcedUseForCommExt == AudioSystem.FORCE_SPEAKER);
}
/** @see AudioManager#setBluetoothScoOn(boolean) */
public void setBluetoothScoOn(boolean on) {
if (!checkAudioSettingsPermission("setBluetoothScoOn()")) {
return;
}
// Only enable calls from system components
if (Binder.getCallingUid() >= FIRST_APPLICATION_UID) {
mForcedUseForCommExt = on ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE;
return;
}
// for logging only
final String eventSource = new StringBuilder("setBluetoothScoOn(").append(on)
.append(") from u/pid:").append(Binder.getCallingUid()).append("/")
.append(Binder.getCallingPid()).toString();
setBluetoothScoOnInt(on, eventSource);
}
public void setBluetoothScoOnInt(boolean on, String eventSource) {
Log.i(TAG, "setBluetoothScoOnInt: " + on + " " + eventSource);
if (on) {
// do not accept SCO ON if SCO audio is not connected
synchronized (mScoClients) {
if ((mBluetoothHeadset != null)
&& (mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice)
!= BluetoothHeadset.STATE_AUDIO_CONNECTED)) {
mForcedUseForCommExt = AudioSystem.FORCE_BT_SCO;
Log.w(TAG, "setBluetoothScoOnInt(true) failed because "
+ mBluetoothHeadsetDevice + " is not in audio connected mode");
return;
}
}
mForcedUseForComm = AudioSystem.FORCE_BT_SCO;
} else if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
mForcedUseForComm = AudioSystem.FORCE_NONE;
}
mForcedUseForCommExt = mForcedUseForComm;
AudioSystem.setParameters("BT_SCO="+ (on ? "on" : "off"));
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, eventSource, 0);
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_RECORD, mForcedUseForComm, eventSource, 0);
// Un-mute ringtone stream volume
setRingerModeInt(getRingerModeInternal(), false);
}
/** @see AudioManager#isBluetoothScoOn() */
public boolean isBluetoothScoOn() {
return (mForcedUseForCommExt == AudioSystem.FORCE_BT_SCO);
}
/** @see AudioManager#setBluetoothA2dpOn(boolean) */
public void setBluetoothA2dpOn(boolean on) {
// for logging only
final String eventSource = new StringBuilder("setBluetoothA2dpOn(").append(on)
.append(") from u/pid:").append(Binder.getCallingUid()).append("/")
.append(Binder.getCallingPid()).toString();
synchronized (mBluetoothA2dpEnabledLock) {
if (mBluetoothA2dpEnabled == on) {
return;
}
mBluetoothA2dpEnabled = on;
sendMsg(mAudioHandler, MSG_SET_FORCE_BT_A2DP_USE, SENDMSG_QUEUE,
AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP,
eventSource, 0);
}
}
/** @see AudioManager#isBluetoothA2dpOn() */
public boolean isBluetoothA2dpOn() {
synchronized (mBluetoothA2dpEnabledLock) {
return mBluetoothA2dpEnabled;
}
}
/** @see AudioManager#startBluetoothSco() */
public void startBluetoothSco(IBinder cb, int targetSdkVersion) {
int scoAudioMode =
(targetSdkVersion < Build.VERSION_CODES.JELLY_BEAN_MR2) ?
SCO_MODE_VIRTUAL_CALL : SCO_MODE_UNDEFINED;
startBluetoothScoInt(cb, scoAudioMode);
}
/** @see AudioManager#startBluetoothScoVirtualCall() */
public void startBluetoothScoVirtualCall(IBinder cb) {
startBluetoothScoInt(cb, SCO_MODE_VIRTUAL_CALL);
}
void startBluetoothScoInt(IBinder cb, int scoAudioMode){
if (!checkAudioSettingsPermission("startBluetoothSco()") ||
!mSystemReady) {
return;
}
ScoClient client = getScoClient(cb, true);
// The calling identity must be cleared before calling ScoClient.incCount().
// inCount() calls requestScoState() which in turn can call BluetoothHeadset APIs
// and this must be done on behalf of system server to make sure permissions are granted.
// The caller identity must be cleared after getScoClient() because it is needed if a new
// client is created.
final long ident = Binder.clearCallingIdentity();
client.incCount(scoAudioMode);
Binder.restoreCallingIdentity(ident);
}
/** @see AudioManager#stopBluetoothSco() */
public void stopBluetoothSco(IBinder cb){
if (!checkAudioSettingsPermission("stopBluetoothSco()") ||
!mSystemReady) {
return;
}
ScoClient client = getScoClient(cb, false);
// The calling identity must be cleared before calling ScoClient.decCount().
// decCount() calls requestScoState() which in turn can call BluetoothHeadset APIs
// and this must be done on behalf of system server to make sure permissions are granted.
final long ident = Binder.clearCallingIdentity();
if (client != null) {
client.decCount();
}
Binder.restoreCallingIdentity(ident);
}
private class ScoClient implements IBinder.DeathRecipient {
private IBinder mCb; // To be notified of client's death
private int mCreatorPid;
private int mStartcount; // number of SCO connections started by this client
ScoClient(IBinder cb) {
mCb = cb;
mCreatorPid = Binder.getCallingPid();
mStartcount = 0;
}
public void binderDied() {
synchronized(mScoClients) {
Log.w(TAG, "SCO client died");
int index = mScoClients.indexOf(this);
if (index < 0) {
Log.w(TAG, "unregistered SCO client died");
} else {
clearCount(true);
mScoClients.remove(this);
}
}
}
public void incCount(int scoAudioMode) {
synchronized(mScoClients) {
requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED, scoAudioMode);
if (mStartcount == 0) {
try {
mCb.linkToDeath(this, 0);
} catch (RemoteException e) {
// client has already died!
Log.w(TAG, "ScoClient incCount() could not link to "+mCb+" binder death");
}
}
mStartcount++;
}
}
public void decCount() {
synchronized(mScoClients) {
if (mStartcount == 0) {
Log.w(TAG, "ScoClient.decCount() already 0");
} else {
mStartcount--;
if (mStartcount == 0) {
try {
mCb.unlinkToDeath(this, 0);
} catch (NoSuchElementException e) {
Log.w(TAG, "decCount() going to 0 but not registered to binder");
}
}
requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED, 0);
}
}
}
public void clearCount(boolean stopSco) {
synchronized(mScoClients) {
if (mStartcount != 0) {
try {
mCb.unlinkToDeath(this, 0);
} catch (NoSuchElementException e) {
Log.w(TAG, "clearCount() mStartcount: "+mStartcount+" != 0 but not registered to binder");
}
}
mStartcount = 0;
if (stopSco) {
requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED, 0);
}
}
}
public int getCount() {
return mStartcount;
}
public IBinder getBinder() {
return mCb;
}
public int getPid() {
return mCreatorPid;
}
public int totalCount() {
synchronized(mScoClients) {
int count = 0;
for (ScoClient mScoClient : mScoClients) {
count += mScoClient.getCount();
}
return count;
}
}
private void requestScoState(int state, int scoAudioMode) {
checkScoAudioState();
int clientCount = totalCount();
if (clientCount != 0) {
Log.i(TAG, "requestScoState: state=" + state + ", scoAudioMode=" + scoAudioMode
+ ", clientCount=" + clientCount);
return;
}
if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) {
// Make sure that the state transitions to CONNECTING even if we cannot initiate
// the connection.
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTING);
// Accept SCO audio activation only in NORMAL audio mode or if the mode is
// currently controlled by the same client process.
synchronized(mSetModeDeathHandlers) {
int modeOwnerPid = mSetModeDeathHandlers.isEmpty()
? 0 : mSetModeDeathHandlers.get(0).getPid();
if (modeOwnerPid != 0 && (modeOwnerPid != mCreatorPid)) {
Log.w(TAG, "requestScoState: audio mode is not NORMAL and modeOwnerPid "
+ modeOwnerPid + " != creatorPid " + mCreatorPid);
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
return;
}
switch (mScoAudioState) {
case SCO_STATE_INACTIVE:
mScoAudioMode = scoAudioMode;
if (scoAudioMode == SCO_MODE_UNDEFINED) {
mScoAudioMode = SCO_MODE_VIRTUAL_CALL;
if (mBluetoothHeadsetDevice != null) {
mScoAudioMode = Settings.Global.getInt(mContentResolver,
"bluetooth_sco_channel_"
+ mBluetoothHeadsetDevice.getAddress(),
SCO_MODE_VIRTUAL_CALL);
if (mScoAudioMode > SCO_MODE_MAX || mScoAudioMode < 0) {
mScoAudioMode = SCO_MODE_VIRTUAL_CALL;
}
}
}
if (mBluetoothHeadset == null) {
if (getBluetoothHeadset()) {
mScoAudioState = SCO_STATE_ACTIVATE_REQ;
} else {
Log.w(TAG, "requestScoState: getBluetoothHeadset failed during"
+ " connection, mScoAudioMode=" + mScoAudioMode);
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
break;
}
if (mBluetoothHeadsetDevice == null) {
Log.w(TAG, "requestScoState: no active device while connecting,"
+ " mScoAudioMode=" + mScoAudioMode);
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
break;
}
if (connectBluetoothScoAudioHelper(mBluetoothHeadset,
mBluetoothHeadsetDevice, mScoAudioMode)) {
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
} else {
Log.w(TAG, "requestScoState: connect to " + mBluetoothHeadsetDevice
+ " failed, mScoAudioMode=" + mScoAudioMode);
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
break;
case SCO_STATE_DEACTIVATING:
mScoAudioState = SCO_STATE_ACTIVATE_REQ;
break;
case SCO_STATE_DEACTIVATE_REQ:
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED);
break;
default:
Log.w(TAG, "requestScoState: failed to connect in state "
+ mScoAudioState + ", scoAudioMode=" + scoAudioMode);
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
break;
}
}
} else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED) {
switch (mScoAudioState) {
case SCO_STATE_ACTIVE_INTERNAL:
if (mBluetoothHeadset == null) {
if (getBluetoothHeadset()) {
mScoAudioState = SCO_STATE_DEACTIVATE_REQ;
} else {
Log.w(TAG, "requestScoState: getBluetoothHeadset failed during"
+ " disconnection, mScoAudioMode=" + mScoAudioMode);
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
break;
}
if (mBluetoothHeadsetDevice == null) {
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
break;
}
if (disconnectBluetoothScoAudioHelper(mBluetoothHeadset,
mBluetoothHeadsetDevice, mScoAudioMode)) {
mScoAudioState = SCO_STATE_DEACTIVATING;
} else {
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
break;
case SCO_STATE_ACTIVATE_REQ:
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
break;
default:
Log.w(TAG, "requestScoState: failed to disconnect in state "
+ mScoAudioState + ", scoAudioMode=" + scoAudioMode);
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
break;
}
}
}
}
private void checkScoAudioState() {
synchronized (mScoClients) {
if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null &&
mScoAudioState == SCO_STATE_INACTIVE &&
mBluetoothHeadset.getAudioState(mBluetoothHeadsetDevice)
!= BluetoothHeadset.STATE_AUDIO_DISCONNECTED) {
mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL;
}
}
}
private ScoClient getScoClient(IBinder cb, boolean create) {
synchronized(mScoClients) {
for (ScoClient existingClient : mScoClients) {
if (existingClient.getBinder() == cb) {
return existingClient;
}
}
if (create) {
ScoClient newClient = new ScoClient(cb);
mScoClients.add(newClient);
return newClient;
}
return null;
}
}
public void clearAllScoClients(int exceptPid, boolean stopSco) {
synchronized(mScoClients) {
ScoClient savedClient = null;
for (ScoClient cl : mScoClients) {
if (cl.getPid() != exceptPid) {
cl.clearCount(stopSco);
} else {
savedClient = cl;
}
}
mScoClients.clear();
if (savedClient != null) {
mScoClients.add(savedClient);
}
}
}
private boolean getBluetoothHeadset() {
boolean result = false;
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter != null) {
result = adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener,
BluetoothProfile.HEADSET);
}
// If we could not get a bluetooth headset proxy, send a failure message
// without delay to reset the SCO audio state and clear SCO clients.
// If we could get a proxy, send a delayed failure message that will reset our state
// in case we don't receive onServiceConnected().
sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED,
SENDMSG_REPLACE, 0, 0, null, result ? BT_HEADSET_CNCT_TIMEOUT_MS : 0);
return result;
}
/**
* Disconnect all SCO connections started by {@link AudioManager} except those started by
* {@param exceptPid}
*
* @param exceptPid pid whose SCO connections through {@link AudioManager} should be kept
*/
private void disconnectBluetoothSco(int exceptPid) {
synchronized(mScoClients) {
checkScoAudioState();
if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL) {
return;
}
clearAllScoClients(exceptPid, true);
}
}
private static boolean disconnectBluetoothScoAudioHelper(BluetoothHeadset bluetoothHeadset,
BluetoothDevice device, int scoAudioMode) {
switch (scoAudioMode) {
case SCO_MODE_RAW:
return bluetoothHeadset.disconnectAudio();
case SCO_MODE_VIRTUAL_CALL:
return bluetoothHeadset.stopScoUsingVirtualVoiceCall();
case SCO_MODE_VR:
return bluetoothHeadset.stopVoiceRecognition(device);
default:
return false;
}
}
private static boolean connectBluetoothScoAudioHelper(BluetoothHeadset bluetoothHeadset,
BluetoothDevice device, int scoAudioMode) {
switch (scoAudioMode) {
case SCO_MODE_RAW:
return bluetoothHeadset.connectAudio();
case SCO_MODE_VIRTUAL_CALL:
return bluetoothHeadset.startScoUsingVirtualVoiceCall();
case SCO_MODE_VR:
return bluetoothHeadset.startVoiceRecognition(device);
default:
return false;
}
}
private void resetBluetoothSco() {
synchronized(mScoClients) {
clearAllScoClients(0, false);
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
AudioSystem.setParameters("A2dpSuspended=false");
setBluetoothScoOnInt(false, "resetBluetoothSco");
}
private void broadcastScoConnectionState(int state) {
sendMsg(mAudioHandler, MSG_BROADCAST_BT_CONNECTION_STATE,
SENDMSG_QUEUE, state, 0, null, 0);
}
private void onBroadcastScoConnectionState(int state) {
if (state != mScoConnectionState) {
Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, state);
newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_PREVIOUS_STATE,
mScoConnectionState);
sendStickyBroadcastToAll(newIntent);
mScoConnectionState = state;
}
}
private boolean handleBtScoActiveDeviceChange(BluetoothDevice btDevice, boolean isActive) {
if (btDevice == null) {
return true;
}
String address = btDevice.getAddress();
BluetoothClass btClass = btDevice.getBluetoothClass();
int inDevice = AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET;
int[] outDeviceTypes = {
AudioSystem.DEVICE_OUT_BLUETOOTH_SCO,
AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET,
AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT
};
if (btClass != null) {
switch (btClass.getDeviceClass()) {
case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET:
case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE:
outDeviceTypes = new int[] { AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET };
break;
case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
outDeviceTypes = new int[] { AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT };
break;
}
}
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
String btDeviceName = btDevice.getName();
boolean result = false;
if (isActive) {
result |= handleDeviceConnection(isActive, outDeviceTypes[0], address, btDeviceName);
} else {
for (int outDeviceType : outDeviceTypes) {
result |= handleDeviceConnection(isActive, outDeviceType, address, btDeviceName);
}
}
// handleDeviceConnection() && result to make sure the method get executed
result = handleDeviceConnection(isActive, inDevice, address, btDeviceName) && result;
return result;
}
private void setBtScoActiveDevice(BluetoothDevice btDevice) {
synchronized (mScoClients) {
Log.i(TAG, "setBtScoActiveDevice: " + mBluetoothHeadsetDevice + " -> " + btDevice);
final BluetoothDevice previousActiveDevice = mBluetoothHeadsetDevice;
if (!Objects.equals(btDevice, previousActiveDevice)) {
if (!handleBtScoActiveDeviceChange(previousActiveDevice, false)) {
Log.w(TAG, "setBtScoActiveDevice() failed to remove previous device "
+ previousActiveDevice);
}
if (!handleBtScoActiveDeviceChange(btDevice, true)) {
Log.e(TAG, "setBtScoActiveDevice() failed to add new device " + btDevice);
// set mBluetoothHeadsetDevice to null when failing to add new device
btDevice = null;
}
mBluetoothHeadsetDevice = btDevice;
if (mBluetoothHeadsetDevice == null) {
resetBluetoothSco();
}
}
}
}
private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
new BluetoothProfile.ServiceListener() {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
BluetoothDevice btDevice;
List<BluetoothDevice> deviceList;
switch(profile) {
case BluetoothProfile.A2DP:
synchronized (mConnectedDevices) {
synchronized (mA2dpAvrcpLock) {
mA2dp = (BluetoothA2dp) proxy;
deviceList = mA2dp.getConnectedDevices();
if (deviceList.size() > 0) {
btDevice = deviceList.get(0);
int state = mA2dp.getConnectionState(btDevice);
int intState = (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0;
int delay = checkSendBecomingNoisyIntent(
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, intState,
AudioSystem.DEVICE_NONE);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_A2DP_SINK_CONNECTION_STATE,
state,
-1,
btDevice,
delay);
}
}
}
break;
case BluetoothProfile.A2DP_SINK:
deviceList = proxy.getConnectedDevices();
if (deviceList.size() > 0) {
btDevice = deviceList.get(0);
synchronized (mConnectedDevices) {
int state = proxy.getConnectionState(btDevice);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_A2DP_SRC_CONNECTION_STATE,
state,
0 /* arg2 unused */,
btDevice,
0 /* delay */);
}
}
break;
case BluetoothProfile.HEADSET:
synchronized (mScoClients) {
// Discard timeout message
mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED);
mBluetoothHeadset = (BluetoothHeadset) proxy;
setBtScoActiveDevice(mBluetoothHeadset.getActiveDevice());
// Refresh SCO audio state
checkScoAudioState();
// Continue pending action if any
if (mScoAudioState == SCO_STATE_ACTIVATE_REQ ||
mScoAudioState == SCO_STATE_DEACTIVATE_REQ) {
boolean status = false;
if (mBluetoothHeadsetDevice != null) {
switch (mScoAudioState) {
case SCO_STATE_ACTIVATE_REQ:
status = connectBluetoothScoAudioHelper(mBluetoothHeadset,
mBluetoothHeadsetDevice, mScoAudioMode);
if (status) {
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
}
break;
case SCO_STATE_DEACTIVATE_REQ:
status = disconnectBluetoothScoAudioHelper(mBluetoothHeadset,
mBluetoothHeadsetDevice, mScoAudioMode);
if (status) {
mScoAudioState = SCO_STATE_DEACTIVATING;
}
break;
}
}
if (!status) {
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
}
}
break;
case BluetoothProfile.HEARING_AID:
synchronized (mConnectedDevices) {
synchronized (mHearingAidLock) {
mHearingAid = (BluetoothHearingAid) proxy;
deviceList = mHearingAid.getConnectedDevices();
if (deviceList.size() > 0) {
btDevice = deviceList.get(0);
int state = mHearingAid.getConnectionState(btDevice);
int intState = (state == BluetoothHearingAid.STATE_CONNECTED) ? 1 : 0;
int delay = checkSendBecomingNoisyIntent(
AudioSystem.DEVICE_OUT_HEARING_AID, intState,
AudioSystem.DEVICE_NONE);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_HEARING_AID_CONNECTION_STATE,
state,
0 /* arg2 unused */,
btDevice,
delay);
}
}
}
break;
default:
break;
}
}
public void onServiceDisconnected(int profile) {
switch (profile) {
case BluetoothProfile.A2DP:
disconnectA2dp();
break;
case BluetoothProfile.A2DP_SINK:
disconnectA2dpSink();
break;
case BluetoothProfile.HEADSET:
disconnectHeadset();
break;
case BluetoothProfile.HEARING_AID:
disconnectHearingAid();
break;
default:
break;
}
}
};
void disconnectAllBluetoothProfiles() {
disconnectA2dp();
disconnectA2dpSink();
disconnectHeadset();
disconnectHearingAid();
}
void disconnectA2dp() {
synchronized (mConnectedDevices) {
synchronized (mA2dpAvrcpLock) {
ArraySet<String> toRemove = null;
// Disconnect ALL DEVICE_OUT_BLUETOOTH_A2DP devices
for (int i = 0; i < mConnectedDevices.size(); i++) {
DeviceListSpec deviceSpec = mConnectedDevices.valueAt(i);
if (deviceSpec.mDeviceType == AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) {
toRemove = toRemove != null ? toRemove : new ArraySet<String>();
toRemove.add(deviceSpec.mDeviceAddress);
}
}
if (toRemove != null) {
int delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
0, AudioSystem.DEVICE_NONE);
for (int i = 0; i < toRemove.size(); i++) {
makeA2dpDeviceUnavailableLater(toRemove.valueAt(i), delay);
}
}
}
}
}
void disconnectA2dpSink() {
synchronized (mConnectedDevices) {
ArraySet<String> toRemove = null;
// Disconnect ALL DEVICE_IN_BLUETOOTH_A2DP devices
for(int i = 0; i < mConnectedDevices.size(); i++) {
DeviceListSpec deviceSpec = mConnectedDevices.valueAt(i);
if (deviceSpec.mDeviceType == AudioSystem.DEVICE_IN_BLUETOOTH_A2DP) {
toRemove = toRemove != null ? toRemove : new ArraySet<String>();
toRemove.add(deviceSpec.mDeviceAddress);
}
}
if (toRemove != null) {
for (int i = 0; i < toRemove.size(); i++) {
makeA2dpSrcUnavailable(toRemove.valueAt(i));
}
}
}
}
void disconnectHeadset() {
synchronized (mScoClients) {
setBtScoActiveDevice(null);
mBluetoothHeadset = null;
}
}
void disconnectHearingAid() {
synchronized (mConnectedDevices) {
synchronized (mHearingAidLock) {
ArraySet<String> toRemove = null;
// Disconnect ALL DEVICE_OUT_HEARING_AID devices
for (int i = 0; i < mConnectedDevices.size(); i++) {
DeviceListSpec deviceSpec = mConnectedDevices.valueAt(i);
if (deviceSpec.mDeviceType == AudioSystem.DEVICE_OUT_HEARING_AID) {
toRemove = toRemove != null ? toRemove : new ArraySet<String>();
toRemove.add(deviceSpec.mDeviceAddress);
}
}
if (toRemove != null) {
int delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_HEARING_AID,
0, AudioSystem.DEVICE_NONE);
for (int i = 0; i < toRemove.size(); i++) {
makeHearingAidDeviceUnavailable(toRemove.valueAt(i) /*, delay*/);
}
}
}
}
}
private void onCheckMusicActive(String caller) {
synchronized (mSafeMediaVolumeState) {
if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_INACTIVE) {
int device = getDeviceForStream(AudioSystem.STREAM_MUSIC);
if ((device & mSafeMediaVolumeDevices) != 0) {
sendMsg(mAudioHandler,
MSG_CHECK_MUSIC_ACTIVE,
SENDMSG_REPLACE,
0,
0,
caller,
MUSIC_ACTIVE_POLL_PERIOD_MS);
int index = mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(device);
if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0) &&
(index > safeMediaVolumeIndex(device))) {
// Approximate cumulative active music time
mMusicActiveMs += MUSIC_ACTIVE_POLL_PERIOD_MS;
if (mMusicActiveMs > UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX) {
setSafeMediaVolumeEnabled(true, caller);
mMusicActiveMs = 0;
}
saveMusicActiveMs();
}
}
}
}
}
private void saveMusicActiveMs() {
mAudioHandler.obtainMessage(MSG_PERSIST_MUSIC_ACTIVE_MS, mMusicActiveMs, 0).sendToTarget();
}
private int getSafeUsbMediaVolumeIndex()
{
// determine UI volume index corresponding to the wanted safe gain in dBFS
int min = MIN_STREAM_VOLUME[AudioSystem.STREAM_MUSIC];
int max = MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC];
mSafeUsbMediaVolumeDbfs = mContext.getResources().getInteger(
com.android.internal.R.integer.config_safe_media_volume_usb_mB) / 100.0f;
while (Math.abs(max-min) > 1) {
int index = (max + min) / 2;
float gainDB = AudioSystem.getStreamVolumeDB(
AudioSystem.STREAM_MUSIC, index, AudioSystem.DEVICE_OUT_USB_HEADSET);
if (Float.isNaN(gainDB)) {
//keep last min in case of read error
break;
} else if (gainDB == mSafeUsbMediaVolumeDbfs) {
min = index;
break;
} else if (gainDB < mSafeUsbMediaVolumeDbfs) {
min = index;
} else {
max = index;
}
}
return min * 10;
}
private void onConfigureSafeVolume(boolean force, String caller) {
synchronized (mSafeMediaVolumeState) {
int mcc = mContext.getResources().getConfiguration().mcc;
if ((mMcc != mcc) || ((mMcc == 0) && force)) {
mSafeMediaVolumeIndex = mContext.getResources().getInteger(
com.android.internal.R.integer.config_safe_media_volume_index) * 10;
mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex();
boolean safeMediaVolumeEnabled =
SystemProperties.getBoolean("audio.safemedia.force", false)
|| mContext.getResources().getBoolean(
com.android.internal.R.bool.config_safe_media_volume_enabled);
boolean safeMediaVolumeBypass =
SystemProperties.getBoolean("audio.safemedia.bypass", false);
// The persisted state is either "disabled" or "active": this is the state applied
// next time we boot and cannot be "inactive"
int persistedState;
if (safeMediaVolumeEnabled && !safeMediaVolumeBypass) {
persistedState = SAFE_MEDIA_VOLUME_ACTIVE;
// The state can already be "inactive" here if the user has forced it before
// the 30 seconds timeout for forced configuration. In this case we don't reset
// it to "active".
if (mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_INACTIVE) {
if (mMusicActiveMs == 0) {
mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE;
enforceSafeMediaVolume(caller);
} else {
// We have existing playback time recorded, already confirmed.
mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_INACTIVE;
}
}
} else {
persistedState = SAFE_MEDIA_VOLUME_DISABLED;
mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_DISABLED;
}
mMcc = mcc;
sendMsg(mAudioHandler,
MSG_PERSIST_SAFE_VOLUME_STATE,
SENDMSG_QUEUE,
persistedState,
0,
null,
0);
}
}
}
///////////////////////////////////////////////////////////////////////////
// Internal methods
///////////////////////////////////////////////////////////////////////////
/**
* Checks if the adjustment should change ringer mode instead of just
* adjusting volume. If so, this will set the proper ringer mode and volume
* indices on the stream states.
*/
private int checkForRingerModeChange(int oldIndex, int direction, int step, boolean isMuted,
String caller, int flags) {
int result = FLAG_ADJUST_VOLUME;
if (isPlatformTelevision() || mIsSingleVolume) {
return result;
}
int ringerMode = getRingerModeInternal();
switch (ringerMode) {
case RINGER_MODE_NORMAL:
if (direction == AudioManager.ADJUST_LOWER) {
if (mHasVibrator) {
// "step" is the delta in internal index units corresponding to a
// change of 1 in UI index units.
// Because of rounding when rescaling from one stream index range to its alias
// index range, we cannot simply test oldIndex == step:
// (step <= oldIndex < 2 * step) is equivalent to: (old UI index == 1)
if (step <= oldIndex && oldIndex < 2 * step) {
ringerMode = RINGER_MODE_VIBRATE;
mLoweredFromNormalToVibrateTime = SystemClock.uptimeMillis();
}
} else {
if (oldIndex == step && mVolumePolicy.volumeDownToEnterSilent) {
ringerMode = RINGER_MODE_SILENT;
}
}
} else if (mIsSingleVolume && (direction == AudioManager.ADJUST_TOGGLE_MUTE
|| direction == AudioManager.ADJUST_MUTE)) {
if (mHasVibrator) {
ringerMode = RINGER_MODE_VIBRATE;
} else {
ringerMode = RINGER_MODE_SILENT;
}
// Setting the ringer mode will toggle mute
result &= ~FLAG_ADJUST_VOLUME;
}
break;
case RINGER_MODE_VIBRATE:
if (!mHasVibrator) {
Log.e(TAG, "checkForRingerModeChange() current ringer mode is vibrate" +
"but no vibrator is present");
break;
}
if ((direction == AudioManager.ADJUST_LOWER)) {
// This is the case we were muted with the volume turned up
if (mIsSingleVolume && oldIndex >= 2 * step && isMuted) {
ringerMode = RINGER_MODE_NORMAL;
} else if (mPrevVolDirection != AudioManager.ADJUST_LOWER) {
if (mVolumePolicy.volumeDownToEnterSilent) {
final long diff = SystemClock.uptimeMillis()
- mLoweredFromNormalToVibrateTime;
if (diff > mVolumePolicy.vibrateToSilentDebounce
&& mRingerModeDelegate.canVolumeDownEnterSilent()) {
ringerMode = RINGER_MODE_SILENT;
}
} else {
result |= AudioManager.FLAG_SHOW_VIBRATE_HINT;
}
}
} else if (direction == AudioManager.ADJUST_RAISE
|| direction == AudioManager.ADJUST_TOGGLE_MUTE
|| direction == AudioManager.ADJUST_UNMUTE) {
ringerMode = RINGER_MODE_NORMAL;
}
result &= ~FLAG_ADJUST_VOLUME;
break;
case RINGER_MODE_SILENT:
if (mIsSingleVolume && direction == AudioManager.ADJUST_LOWER && oldIndex >= 2 * step && isMuted) {
// This is the case we were muted with the volume turned up
ringerMode = RINGER_MODE_NORMAL;
} else if (direction == AudioManager.ADJUST_RAISE
|| direction == AudioManager.ADJUST_TOGGLE_MUTE
|| direction == AudioManager.ADJUST_UNMUTE) {
if (!mVolumePolicy.volumeUpToExitSilent) {
result |= AudioManager.FLAG_SHOW_SILENT_HINT;
} else {
if (mHasVibrator && direction == AudioManager.ADJUST_RAISE) {
ringerMode = RINGER_MODE_VIBRATE;
} else {
// If we don't have a vibrator or they were toggling mute
// go straight back to normal.
ringerMode = RINGER_MODE_NORMAL;
}
}
}
result &= ~FLAG_ADJUST_VOLUME;
break;
default:
Log.e(TAG, "checkForRingerModeChange() wrong ringer mode: "+ringerMode);
break;
}
if (isAndroidNPlus(caller) && wouldToggleZenMode(ringerMode)
&& !mNm.isNotificationPolicyAccessGrantedForPackage(caller)
&& (flags & AudioManager.FLAG_FROM_KEY) == 0) {
throw new SecurityException("Not allowed to change Do Not Disturb state");
}
setRingerMode(ringerMode, TAG + ".checkForRingerModeChange", false /*external*/);
mPrevVolDirection = direction;
return result;
}
@Override
public boolean isStreamAffectedByRingerMode(int streamType) {
return (mRingerModeAffectedStreams & (1 << streamType)) != 0;
}
private boolean shouldZenMuteStream(int streamType) {
if (mNm.getZenMode() != Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS) {
return false;
}
NotificationManager.Policy zenPolicy = mNm.getNotificationPolicy();
final boolean muteAlarms = (zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_ALARMS) == 0;
final boolean muteMedia = (zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA) == 0;
final boolean muteSystem = (zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_SYSTEM) == 0;
final boolean muteNotificationAndRing = ZenModeConfig
.areAllPriorityOnlyNotificationZenSoundsMuted(mNm.getNotificationPolicy());
return muteAlarms && isAlarm(streamType)
|| muteMedia && isMedia(streamType)
|| muteSystem && isSystem(streamType)
|| muteNotificationAndRing && isNotificationOrRinger(streamType);
}
private boolean isStreamMutedByRingerOrZenMode(int streamType) {
return (mRingerAndZenModeMutedStreams & (1 << streamType)) != 0;
}
/**
* DND total silence: media and alarms streams are tied to the muted ringer
* {@link ZenModeHelper.RingerModeDelegate#getRingerModeAffectedStreams(int)}
* DND alarms only: notification, ringer + system muted (by default tied to muted ringer mode)
* DND priority only: alarms, media, system streams can be muted separate from ringer based on
* zenPolicy (this method determines which streams)
* @return true if changed, else false
*/
private boolean updateZenModeAffectedStreams() {
int zenModeAffectedStreams = 0;
if (mSystemReady && mNm.getZenMode() == Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS) {
NotificationManager.Policy zenPolicy = mNm.getNotificationPolicy();
if ((zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_ALARMS) == 0) {
zenModeAffectedStreams |= 1 << AudioManager.STREAM_ALARM;
}
if ((zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA) == 0) {
zenModeAffectedStreams |= 1 << AudioManager.STREAM_MUSIC;
}
if ((zenPolicy.priorityCategories
& NotificationManager.Policy.PRIORITY_CATEGORY_SYSTEM) == 0) {
zenModeAffectedStreams |= 1 << AudioManager.STREAM_SYSTEM;
}
}
if (mZenModeAffectedStreams != zenModeAffectedStreams) {
mZenModeAffectedStreams = zenModeAffectedStreams;
return true;
}
return false;
}
@GuardedBy("mSettingsLock")
private boolean updateRingerAndZenModeAffectedStreams() {
boolean updatedZenModeAffectedStreams = updateZenModeAffectedStreams();
int ringerModeAffectedStreams = Settings.System.getIntForUser(mContentResolver,
Settings.System.MODE_RINGER_STREAMS_AFFECTED,
((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)|
(1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED)),
UserHandle.USER_CURRENT);
if (mIsSingleVolume) {
ringerModeAffectedStreams = 0;
} else if (mRingerModeDelegate != null) {
ringerModeAffectedStreams = mRingerModeDelegate
.getRingerModeAffectedStreams(ringerModeAffectedStreams);
}
if (mCameraSoundForced) {
ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_SYSTEM_ENFORCED);
} else {
ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_SYSTEM_ENFORCED);
}
if (mStreamVolumeAlias[AudioSystem.STREAM_DTMF] == AudioSystem.STREAM_RING) {
ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_DTMF);
} else {
ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_DTMF);
}
if (ringerModeAffectedStreams != mRingerModeAffectedStreams) {
Settings.System.putIntForUser(mContentResolver,
Settings.System.MODE_RINGER_STREAMS_AFFECTED,
ringerModeAffectedStreams,
UserHandle.USER_CURRENT);
mRingerModeAffectedStreams = ringerModeAffectedStreams;
return true;
}
return updatedZenModeAffectedStreams;
}
@Override
public boolean isStreamAffectedByMute(int streamType) {
return (mMuteAffectedStreams & (1 << streamType)) != 0;
}
private void ensureValidDirection(int direction) {
switch (direction) {
case AudioManager.ADJUST_LOWER:
case AudioManager.ADJUST_RAISE:
case AudioManager.ADJUST_SAME:
case AudioManager.ADJUST_MUTE:
case AudioManager.ADJUST_UNMUTE:
case AudioManager.ADJUST_TOGGLE_MUTE:
break;
default:
throw new IllegalArgumentException("Bad direction " + direction);
}
}
private void ensureValidStreamType(int streamType) {
if (streamType < 0 || streamType >= mStreamStates.length) {
throw new IllegalArgumentException("Bad stream type " + streamType);
}
}
private boolean isMuteAdjust(int adjust) {
return adjust == AudioManager.ADJUST_MUTE || adjust == AudioManager.ADJUST_UNMUTE
|| adjust == AudioManager.ADJUST_TOGGLE_MUTE;
}
private boolean isInCommunication() {
boolean IsInCall = false;
TelecomManager telecomManager =
(TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
final long ident = Binder.clearCallingIdentity();
IsInCall = telecomManager.isInCall();
Binder.restoreCallingIdentity(ident);
return (IsInCall || getMode() == AudioManager.MODE_IN_COMMUNICATION ||
getMode() == AudioManager.MODE_IN_CALL);
}
/**
* For code clarity for getActiveStreamType(int)
* @param delay_ms max time since last stream activity to consider
* @return true if stream is active in streams handled by AudioFlinger now or
* in the last "delay_ms" ms.
*/
private boolean wasStreamActiveRecently(int stream, int delay_ms) {
return AudioSystem.isStreamActive(stream, delay_ms)
|| AudioSystem.isStreamActiveRemotely(stream, delay_ms);
}
private int getActiveStreamType(int suggestedStreamType) {
if (mIsSingleVolume
&& suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
return AudioSystem.STREAM_MUSIC;
}
switch (mPlatformType) {
case AudioSystem.PLATFORM_VOICE:
if (isInCommunication()) {
if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION)
== AudioSystem.FORCE_BT_SCO) {
// Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO...");
return AudioSystem.STREAM_BLUETOOTH_SCO;
} else {
// Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL...");
return AudioSystem.STREAM_VOICE_CALL;
}
} else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
if (wasStreamActiveRecently(AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING stream active");
return AudioSystem.STREAM_RING;
} else if (wasStreamActiveRecently(
AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION stream active");
return AudioSystem.STREAM_NOTIFICATION;
} else {
if (DEBUG_VOL) {
Log.v(TAG, "getActiveStreamType: Forcing DEFAULT_VOL_STREAM_NO_PLAYBACK("
+ DEFAULT_VOL_STREAM_NO_PLAYBACK + ") b/c default");
}
return DEFAULT_VOL_STREAM_NO_PLAYBACK;
}
} else if (
wasStreamActiveRecently(AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION stream active");
return AudioSystem.STREAM_NOTIFICATION;
} else if (wasStreamActiveRecently(AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING stream active");
return AudioSystem.STREAM_RING;
}
default:
if (isInCommunication()) {
if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION)
== AudioSystem.FORCE_BT_SCO) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO");
return AudioSystem.STREAM_BLUETOOTH_SCO;
} else {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL");
return AudioSystem.STREAM_VOICE_CALL;
}
} else if (AudioSystem.isStreamActive(
AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION");
return AudioSystem.STREAM_NOTIFICATION;
} else if (AudioSystem.isStreamActive(
AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING");
return AudioSystem.STREAM_RING;
} else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
if (AudioSystem.isStreamActive(
AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION");
return AudioSystem.STREAM_NOTIFICATION;
} else if (AudioSystem.isStreamActive(
AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING");
return AudioSystem.STREAM_RING;
} else {
if (DEBUG_VOL) {
Log.v(TAG, "getActiveStreamType: Forcing DEFAULT_VOL_STREAM_NO_PLAYBACK("
+ DEFAULT_VOL_STREAM_NO_PLAYBACK + ") b/c default");
}
return DEFAULT_VOL_STREAM_NO_PLAYBACK;
}
}
break;
}
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type "
+ suggestedStreamType);
return suggestedStreamType;
}
private void broadcastRingerMode(String action, int ringerMode) {
// Send sticky broadcast
Intent broadcast = new Intent(action);
broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, ringerMode);
broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT
| Intent.FLAG_RECEIVER_REPLACE_PENDING);
sendStickyBroadcastToAll(broadcast);
}
private void broadcastVibrateSetting(int vibrateType) {
// Send broadcast
if (mActivityManagerInternal.isSystemReady()) {
Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION);
broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType);
broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType));
sendBroadcastToAll(broadcast);
}
}
// Message helper methods
/**
* Queue a message on the given handler's message queue, after acquiring the service wake lock.
* Note that the wake lock needs to be released after the message has been handled.
*/
private void queueMsgUnderWakeLock(Handler handler, int msg,
int arg1, int arg2, Object obj, int delay) {
final long ident = Binder.clearCallingIdentity();
// Always acquire the wake lock as AudioService because it is released by the
// message handler.
mAudioEventWakeLock.acquire();
Binder.restoreCallingIdentity(ident);
sendMsg(handler, msg, SENDMSG_QUEUE, arg1, arg2, obj, delay);
}
private static void sendMsg(Handler handler, int msg,
int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) {
if (existingMsgPolicy == SENDMSG_REPLACE) {
handler.removeMessages(msg);
} else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) {
return;
}
synchronized (mLastDeviceConnectMsgTime) {
long time = SystemClock.uptimeMillis() + delay;
if (msg == MSG_SET_A2DP_SRC_CONNECTION_STATE ||
msg == MSG_SET_A2DP_SINK_CONNECTION_STATE ||
msg == MSG_SET_HEARING_AID_CONNECTION_STATE ||
msg == MSG_SET_WIRED_DEVICE_CONNECTION_STATE ||
msg == MSG_A2DP_DEVICE_CONFIG_CHANGE ||
msg == MSG_BTA2DP_DOCK_TIMEOUT) {
if (mLastDeviceConnectMsgTime >= time) {
// add a little delay to make sure messages are ordered as expected
time = mLastDeviceConnectMsgTime + 30;
}
mLastDeviceConnectMsgTime = time;
}
handler.sendMessageAtTime(handler.obtainMessage(msg, arg1, arg2, obj), time);
}
}
boolean checkAudioSettingsPermission(String method) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.MODIFY_AUDIO_SETTINGS)
== PackageManager.PERMISSION_GRANTED) {
return true;
}
String msg = "Audio Settings Permission Denial: " + method + " from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid();
Log.w(TAG, msg);
return false;
}
private int getDeviceForStream(int stream) {
int device = getDevicesForStream(stream);
if ((device & (device - 1)) != 0) {
// Multiple device selection is either:
// - speaker + one other device: give priority to speaker in this case.
// - one A2DP device + another device: happens with duplicated output. In this case
// retain the device on the A2DP output as the other must not correspond to an active
// selection if not the speaker.
// - HDMI-CEC system audio mode only output: give priority to available item in order.
if ((device & AudioSystem.DEVICE_OUT_SPEAKER) != 0) {
device = AudioSystem.DEVICE_OUT_SPEAKER;
} else if ((device & AudioSystem.DEVICE_OUT_HDMI_ARC) != 0) {
device = AudioSystem.DEVICE_OUT_HDMI_ARC;
} else if ((device & AudioSystem.DEVICE_OUT_SPDIF) != 0) {
device = AudioSystem.DEVICE_OUT_SPDIF;
} else if ((device & AudioSystem.DEVICE_OUT_AUX_LINE) != 0) {
device = AudioSystem.DEVICE_OUT_AUX_LINE;
} else {
device &= AudioSystem.DEVICE_OUT_ALL_A2DP;
}
}
return device;
}
private int getDevicesForStream(int stream) {
return getDevicesForStream(stream, true /*checkOthers*/);
}
private int getDevicesForStream(int stream, boolean checkOthers) {
ensureValidStreamType(stream);
synchronized (VolumeStreamState.class) {
return mStreamStates[stream].observeDevicesForStream_syncVSS(checkOthers);
}
}
private void observeDevicesForStreams(int skipStream) {
synchronized (VolumeStreamState.class) {
for (int stream = 0; stream < mStreamStates.length; stream++) {
if (stream != skipStream) {
mStreamStates[stream].observeDevicesForStream_syncVSS(false /*checkOthers*/);
}
}
}
}
/*
* A class just for packaging up a set of connection parameters.
*/
class WiredDeviceConnectionState {
public final int mType;
public final int mState;
public final String mAddress;
public final String mName;
public final String mCaller;
public WiredDeviceConnectionState(int type, int state, String address, String name,
String caller) {
mType = type;
mState = state;
mAddress = address;
mName = name;
mCaller = caller;
}
}
public void setWiredDeviceConnectionState(int type, int state, String address, String name,
String caller) {
synchronized (mConnectedDevices) {
if (DEBUG_DEVICES) {
Slog.i(TAG, "setWiredDeviceConnectionState(" + state + " nm: " + name + " addr:"
+ address + ")");
}
int delay = checkSendBecomingNoisyIntent(type, state, AudioSystem.DEVICE_NONE);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_WIRED_DEVICE_CONNECTION_STATE,
0 /* arg1 unused */,
0 /* arg2 unused */,
new WiredDeviceConnectionState(type, state, address, name, caller),
delay);
}
}
@Override
public void setHearingAidDeviceConnectionState(BluetoothDevice device, int state)
{
Log.i(TAG, "setBluetoothHearingAidDeviceConnectionState");
setBluetoothHearingAidDeviceConnectionState(
device, state, false /* suppressNoisyIntent */, AudioSystem.DEVICE_NONE);
}
public int setBluetoothHearingAidDeviceConnectionState(
BluetoothDevice device, int state, boolean suppressNoisyIntent,
int musicDevice)
{
int delay;
synchronized (mConnectedDevices) {
if (!suppressNoisyIntent) {
int intState = (state == BluetoothHearingAid.STATE_CONNECTED) ? 1 : 0;
delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_HEARING_AID,
intState, musicDevice);
} else {
delay = 0;
}
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_HEARING_AID_CONNECTION_STATE,
state,
0 /* arg2 unused */,
device,
delay);
}
return delay;
}
public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state, int profile)
{
return setBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent(
device, state, profile, false /* suppressNoisyIntent */, -1 /* a2dpVolume */);
}
public int setBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent(BluetoothDevice device,
int state, int profile, boolean suppressNoisyIntent, int a2dpVolume)
{
if (mAudioHandler.hasMessages(MSG_SET_A2DP_SINK_CONNECTION_STATE, device)) {
return 0;
}
return setBluetoothA2dpDeviceConnectionStateInt(
device, state, profile, suppressNoisyIntent, AudioSystem.DEVICE_NONE, a2dpVolume);
}
public int setBluetoothA2dpDeviceConnectionStateInt(
BluetoothDevice device, int state, int profile, boolean suppressNoisyIntent,
int musicDevice, int a2dpVolume)
{
int delay;
if (profile != BluetoothProfile.A2DP && profile != BluetoothProfile.A2DP_SINK) {
throw new IllegalArgumentException("invalid profile " + profile);
}
synchronized (mConnectedDevices) {
if (profile == BluetoothProfile.A2DP && !suppressNoisyIntent) {
int intState = (state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0;
delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
intState, musicDevice);
} else {
delay = 0;
}
if (DEBUG_DEVICES) {
Log.d(TAG, "setBluetoothA2dpDeviceConnectionStateInt device: " + device
+ " state: " + state + " delay(ms): " + delay
+ " suppressNoisyIntent: " + suppressNoisyIntent);
}
queueMsgUnderWakeLock(mAudioHandler,
(profile == BluetoothProfile.A2DP ?
MSG_SET_A2DP_SINK_CONNECTION_STATE : MSG_SET_A2DP_SRC_CONNECTION_STATE),
state,
a2dpVolume,
device,
delay);
}
return delay;
}
public void handleBluetoothA2dpDeviceConfigChange(BluetoothDevice device)
{
synchronized (mConnectedDevices) {
queueMsgUnderWakeLock(mAudioHandler,
MSG_A2DP_DEVICE_CONFIG_CHANGE,
0 /* arg1 unused */,
0 /* arg1 unused */,
device,
0 /* delay */);
}
}
private static final int DEVICE_MEDIA_UNMUTED_ON_PLUG =
AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem.DEVICE_OUT_LINE |
AudioSystem.DEVICE_OUT_ALL_A2DP |
AudioSystem.DEVICE_OUT_ALL_USB |
AudioSystem.DEVICE_OUT_HDMI;
private void onAccessoryPlugMediaUnmute(int newDevice) {
if (DEBUG_VOL) {
Log.i(TAG, String.format("onAccessoryPlugMediaUnmute newDevice=%d [%s]",
newDevice, AudioSystem.getOutputDeviceName(newDevice)));
}
synchronized (mConnectedDevices) {
if (mNm.getZenMode() != Settings.Global.ZEN_MODE_NO_INTERRUPTIONS
&& (newDevice & DEVICE_MEDIA_UNMUTED_ON_PLUG) != 0
&& mStreamStates[AudioSystem.STREAM_MUSIC].mIsMuted
&& mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(newDevice) != 0
&& (newDevice & AudioSystem.getDevicesForStream(AudioSystem.STREAM_MUSIC)) != 0)
{
if (DEBUG_VOL) {
Log.i(TAG, String.format(" onAccessoryPlugMediaUnmute unmuting device=%d [%s]",
newDevice, AudioSystem.getOutputDeviceName(newDevice)));
}
mStreamStates[AudioSystem.STREAM_MUSIC].mute(false);
}
}
}
///////////////////////////////////////////////////////////////////////////
// Inner classes
///////////////////////////////////////////////////////////////////////////
// NOTE: Locking order for synchronized objects related to volume or ringer mode management:
// 1 mScoclient OR mSafeMediaVolumeState
// 2 mSetModeDeathHandlers
// 3 mSettingsLock
// 4 VolumeStreamState.class
public class VolumeStreamState {
private final int mStreamType;
private int mIndexMin;
private int mIndexMax;
private boolean mIsMuted;
private String mVolumeIndexSettingName;
private int mObservedDevices;
private final SparseIntArray mIndexMap = new SparseIntArray(8);
private final Intent mVolumeChanged;
private final Intent mStreamDevicesChanged;
private VolumeStreamState(String settingName, int streamType) {
mVolumeIndexSettingName = settingName;
mStreamType = streamType;
mIndexMin = MIN_STREAM_VOLUME[streamType] * 10;
mIndexMax = MAX_STREAM_VOLUME[streamType] * 10;
AudioSystem.initStreamVolume(streamType, mIndexMin / 10, mIndexMax / 10);
readSettings();
mVolumeChanged = new Intent(AudioManager.VOLUME_CHANGED_ACTION);
mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType);
mStreamDevicesChanged = new Intent(AudioManager.STREAM_DEVICES_CHANGED_ACTION);
mStreamDevicesChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType);
}
public int observeDevicesForStream_syncVSS(boolean checkOthers) {
final int devices = AudioSystem.getDevicesForStream(mStreamType);
if (devices == mObservedDevices) {
return devices;
}
final int prevDevices = mObservedDevices;
mObservedDevices = devices;
if (checkOthers) {
// one stream's devices have changed, check the others
observeDevicesForStreams(mStreamType);
}
// log base stream changes to the event log
if (mStreamVolumeAlias[mStreamType] == mStreamType) {
EventLogTags.writeStreamDevicesChanged(mStreamType, prevDevices, devices);
}
sendBroadcastToAll(mStreamDevicesChanged
.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_DEVICES, prevDevices)
.putExtra(AudioManager.EXTRA_VOLUME_STREAM_DEVICES, devices));
return devices;
}
public @Nullable String getSettingNameForDevice(int device) {
if (!hasValidSettingsName()) {
return null;
}
final String suffix = AudioSystem.getOutputDeviceName(device);
if (suffix.isEmpty()) {
return mVolumeIndexSettingName;
}
return mVolumeIndexSettingName + "_" + suffix;
}
private boolean hasValidSettingsName() {
return (mVolumeIndexSettingName != null && !mVolumeIndexSettingName.isEmpty());
}
public void readSettings() {
synchronized (mSettingsLock) {
synchronized (VolumeStreamState.class) {
// force maximum volume on all streams if fixed volume property is set
if (mUseFixedVolume) {
mIndexMap.put(AudioSystem.DEVICE_OUT_DEFAULT, mIndexMax);
return;
}
// do not read system stream volume from settings: this stream is always aliased
// to another stream type and its volume is never persisted. Values in settings can
// only be stale values
if ((mStreamType == AudioSystem.STREAM_SYSTEM) ||
(mStreamType == AudioSystem.STREAM_SYSTEM_ENFORCED)) {
int index = 10 * AudioSystem.DEFAULT_STREAM_VOLUME[mStreamType];
if (mCameraSoundForced) {
index = mIndexMax;
}
mIndexMap.put(AudioSystem.DEVICE_OUT_DEFAULT, index);
return;
}
}
}
synchronized (VolumeStreamState.class) {
int remainingDevices = AudioSystem.DEVICE_OUT_ALL;
for (int i = 0; remainingDevices != 0; i++) {
int device = (1 << i);
if ((device & remainingDevices) == 0) {
continue;
}
remainingDevices &= ~device;
// retrieve current volume for device
// if no volume stored for current stream and device, use default volume if default
// device, continue otherwise
int defaultIndex = (device == AudioSystem.DEVICE_OUT_DEFAULT) ?
AudioSystem.DEFAULT_STREAM_VOLUME[mStreamType] : -1;
int index;
if (!hasValidSettingsName()) {
index = defaultIndex;
} else {
String name = getSettingNameForDevice(device);
index = Settings.System.getIntForUser(
mContentResolver, name, defaultIndex, UserHandle.USER_CURRENT);
}
if (index == -1) {
continue;
}
mIndexMap.put(device, getValidIndex(10 * index));
}
}
}
private int getAbsoluteVolumeIndex(int index) {
/* Special handling for Bluetooth Absolute Volume scenario
* If we send full audio gain, some accessories are too loud even at its lowest
* volume. We are not able to enumerate all such accessories, so here is the
* workaround from phone side.
* Pre-scale volume at lowest volume steps 1 2 and 3.
* For volume step 0, set audio gain to 0 as some accessories won't mute on their end.
*/
if (index == 0) {
// 0% for volume 0
index = 0;
} else if (index == 1) {
// 50% for volume 1
index = (int)(mIndexMax * 0.5) /10;
} else if (index == 2) {
// 70% for volume 2
index = (int)(mIndexMax * 0.70) /10;
} else if (index == 3) {
// 85% for volume 3
index = (int)(mIndexMax * 0.85) /10;
} else {
// otherwise, full gain
index = (mIndexMax + 5)/10;
}
return index;
}
// must be called while synchronized VolumeStreamState.class
public void applyDeviceVolume_syncVSS(int device) {
int index;
if (mIsMuted) {
index = 0;
} else if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 && mAvrcpAbsVolSupported) {
index = getAbsoluteVolumeIndex((getIndex(device) + 5)/10);
} else if ((device & mFullVolumeDevices) != 0) {
index = (mIndexMax + 5)/10;
} else if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) {
index = (mIndexMax + 5)/10;
} else {
index = (getIndex(device) + 5)/10;
}
AudioSystem.setStreamVolumeIndex(mStreamType, index, device);
}
public void applyAllVolumes() {
synchronized (VolumeStreamState.class) {
// apply device specific volumes first
int index;
for (int i = 0; i < mIndexMap.size(); i++) {
final int device = mIndexMap.keyAt(i);
if (device != AudioSystem.DEVICE_OUT_DEFAULT) {
if (mIsMuted) {
index = 0;
} else if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 &&
mAvrcpAbsVolSupported) {
index = getAbsoluteVolumeIndex((getIndex(device) + 5)/10);
} else if ((device & mFullVolumeDevices) != 0) {
index = (mIndexMax + 5)/10;
} else if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) {
index = (mIndexMax + 5)/10;
} else {
index = (mIndexMap.valueAt(i) + 5)/10;
}
AudioSystem.setStreamVolumeIndex(mStreamType, index, device);
}
}
// apply default volume last: by convention , default device volume will be used
// by audio policy manager if no explicit volume is present for a given device type
if (mIsMuted) {
index = 0;
} else {
index = (getIndex(AudioSystem.DEVICE_OUT_DEFAULT) + 5)/10;
}
AudioSystem.setStreamVolumeIndex(
mStreamType, index, AudioSystem.DEVICE_OUT_DEFAULT);
}
}
public boolean adjustIndex(int deltaIndex, int device, String caller) {
return setIndex(getIndex(device) + deltaIndex, device, caller);
}
public boolean setIndex(int index, int device, String caller) {
boolean changed;
int oldIndex;
synchronized (mSettingsLock) {
synchronized (VolumeStreamState.class) {
oldIndex = getIndex(device);
index = getValidIndex(index);
if ((mStreamType == AudioSystem.STREAM_SYSTEM_ENFORCED) && mCameraSoundForced) {
index = mIndexMax;
}
mIndexMap.put(device, index);
changed = oldIndex != index;
// Apply change to all streams using this one as alias if:
// - the index actually changed OR
// - there is no volume index stored for this device on alias stream.
// If changing volume of current device, also change volume of current
// device on aliased stream
final boolean isCurrentDevice = (device == getDeviceForStream(mStreamType));
final int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
final VolumeStreamState aliasStreamState = mStreamStates[streamType];
if (streamType != mStreamType &&
mStreamVolumeAlias[streamType] == mStreamType &&
(changed || !aliasStreamState.hasIndexForDevice(device))) {
final int scaledIndex = rescaleIndex(index, mStreamType, streamType);
aliasStreamState.setIndex(scaledIndex, device, caller);
if (isCurrentDevice) {
aliasStreamState.setIndex(scaledIndex,
getDeviceForStream(streamType), caller);
}
}
}
// Mirror changes in SPEAKER ringtone volume on SCO when
if (changed && mStreamType == AudioSystem.STREAM_RING
&& device == AudioSystem.DEVICE_OUT_SPEAKER) {
for (int i = 0; i < mIndexMap.size(); i++) {
int otherDevice = mIndexMap.keyAt(i);
if ((otherDevice & AudioSystem.DEVICE_OUT_ALL_SCO) != 0) {
mIndexMap.put(otherDevice, index);
}
}
}
}
}
if (changed) {
oldIndex = (oldIndex + 5) / 10;
index = (index + 5) / 10;
// log base stream changes to the event log
if (mStreamVolumeAlias[mStreamType] == mStreamType) {
if (caller == null) {
Log.w(TAG, "No caller for volume_changed event", new Throwable());
}
EventLogTags.writeVolumeChanged(mStreamType, oldIndex, index, mIndexMax / 10,
caller);
}
// fire changed intents for all streams
mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index);
mVolumeChanged.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex);
mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE_ALIAS,
mStreamVolumeAlias[mStreamType]);
sendBroadcastToAll(mVolumeChanged);
}
return changed;
}
public int getIndex(int device) {
synchronized (VolumeStreamState.class) {
int index = mIndexMap.get(device, -1);
if (index == -1) {
// there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT
index = mIndexMap.get(AudioSystem.DEVICE_OUT_DEFAULT);
}
return index;
}
}
public boolean hasIndexForDevice(int device) {
synchronized (VolumeStreamState.class) {
return (mIndexMap.get(device, -1) != -1);
}
}
public int getMaxIndex() {
return mIndexMax;
}
public int getMinIndex() {
return mIndexMin;
}
/**
* Updates the min/max index values from another stream. Use this when changing the alias
* for the current stream type.
* @param sourceStreamType
*/
// must be sync'd on mSettingsLock before VolumeStreamState.class
@GuardedBy("VolumeStreamState.class")
public void refreshRange(int sourceStreamType) {
mIndexMin = MIN_STREAM_VOLUME[sourceStreamType] * 10;
mIndexMax = MAX_STREAM_VOLUME[sourceStreamType] * 10;
// verify all current volumes are within bounds
for (int i = 0 ; i < mIndexMap.size(); i++) {
final int device = mIndexMap.keyAt(i);
final int index = mIndexMap.valueAt(i);
mIndexMap.put(device, getValidIndex(index));
}
}
/**
* Copies all device/index pairs from the given VolumeStreamState after initializing
* them with the volume for DEVICE_OUT_DEFAULT. No-op if the source VolumeStreamState
* has the same stream type as this instance.
* @param srcStream
* @param caller
*/
// must be sync'd on mSettingsLock before VolumeStreamState.class
@GuardedBy("VolumeStreamState.class")
public void setAllIndexes(VolumeStreamState srcStream, String caller) {
if (mStreamType == srcStream.mStreamType) {
return;
}
int srcStreamType = srcStream.getStreamType();
// apply default device volume from source stream to all devices first in case
// some devices are present in this stream state but not in source stream state
int index = srcStream.getIndex(AudioSystem.DEVICE_OUT_DEFAULT);
index = rescaleIndex(index, srcStreamType, mStreamType);
for (int i = 0; i < mIndexMap.size(); i++) {
mIndexMap.put(mIndexMap.keyAt(i), index);
}
// Now apply actual volume for devices in source stream state
SparseIntArray srcMap = srcStream.mIndexMap;
for (int i = 0; i < srcMap.size(); i++) {
int device = srcMap.keyAt(i);
index = srcMap.valueAt(i);
index = rescaleIndex(index, srcStreamType, mStreamType);
setIndex(index, device, caller);
}
}
// must be sync'd on mSettingsLock before VolumeStreamState.class
@GuardedBy("VolumeStreamState.class")
public void setAllIndexesToMax() {
for (int i = 0; i < mIndexMap.size(); i++) {
mIndexMap.put(mIndexMap.keyAt(i), mIndexMax);
}
}
public void mute(boolean state) {
boolean changed = false;
synchronized (VolumeStreamState.class) {
if (state != mIsMuted) {
changed = true;
mIsMuted = state;
// Set the new mute volume. This propagates the values to
// the audio system, otherwise the volume won't be changed
// at the lower level.
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
this, 0);
}
}
if (changed) {
// Stream mute changed, fire the intent.
Intent intent = new Intent(AudioManager.STREAM_MUTE_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType);
intent.putExtra(AudioManager.EXTRA_STREAM_VOLUME_MUTED, state);
sendBroadcastToAll(intent);
}
}
public int getStreamType() {
return mStreamType;
}
public void checkFixedVolumeDevices() {
synchronized (VolumeStreamState.class) {
// ignore settings for fixed volume devices: volume should always be at max or 0
if (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_MUSIC) {
for (int i = 0; i < mIndexMap.size(); i++) {
int device = mIndexMap.keyAt(i);
int index = mIndexMap.valueAt(i);
if (((device & mFullVolumeDevices) != 0)
|| (((device & mFixedVolumeDevices) != 0) && index != 0)) {
mIndexMap.put(device, mIndexMax);
}
applyDeviceVolume_syncVSS(device);
}
}
}
}
private int getValidIndex(int index) {
if (index < mIndexMin) {
return mIndexMin;
} else if (mUseFixedVolume || index > mIndexMax) {
return mIndexMax;
}
return index;
}
private void dump(PrintWriter pw) {
pw.print(" Muted: ");
pw.println(mIsMuted);
pw.print(" Min: ");
pw.println((mIndexMin + 5) / 10);
pw.print(" Max: ");
pw.println((mIndexMax + 5) / 10);
pw.print(" Current: ");
for (int i = 0; i < mIndexMap.size(); i++) {
if (i > 0) {
pw.print(", ");
}
final int device = mIndexMap.keyAt(i);
pw.print(Integer.toHexString(device));
final String deviceName = device == AudioSystem.DEVICE_OUT_DEFAULT ? "default"
: AudioSystem.getOutputDeviceName(device);
if (!deviceName.isEmpty()) {
pw.print(" (");
pw.print(deviceName);
pw.print(")");
}
pw.print(": ");
final int index = (mIndexMap.valueAt(i) + 5) / 10;
pw.print(index);
}
pw.println();
pw.print(" Devices: ");
final int devices = getDevicesForStream(mStreamType);
int device, i = 0, n = 0;
// iterate all devices from 1 to DEVICE_OUT_DEFAULT exclusive
// (the default device is not returned by getDevicesForStream)
while ((device = 1 << i) != AudioSystem.DEVICE_OUT_DEFAULT) {
if ((devices & device) != 0) {
if (n++ > 0) {
pw.print(", ");
}
pw.print(AudioSystem.getOutputDeviceName(device));
}
i++;
}
}
}
/** Thread that handles native AudioSystem control. */
private class AudioSystemThread extends Thread {
AudioSystemThread() {
super("AudioService");
}
@Override
public void run() {
// Set this thread up so the handler will work on it
Looper.prepare();
synchronized(AudioService.this) {
mAudioHandler = new AudioHandler();
// Notify that the handler has been created
AudioService.this.notify();
}
// Listen for volume change requests that are set by VolumePanel
Looper.loop();
}
}
private void setDeviceVolume(VolumeStreamState streamState, int device) {
synchronized (VolumeStreamState.class) {
// Apply volume
streamState.applyDeviceVolume_syncVSS(device);
// Apply change to all streams using this one as alias
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
if (streamType != streamState.mStreamType &&
mStreamVolumeAlias[streamType] == streamState.mStreamType) {
// Make sure volume is also maxed out on A2DP device for aliased stream
// that may have a different device selected
int streamDevice = getDeviceForStream(streamType);
if ((device != streamDevice) && mAvrcpAbsVolSupported &&
((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0)) {
mStreamStates[streamType].applyDeviceVolume_syncVSS(device);
}
mStreamStates[streamType].applyDeviceVolume_syncVSS(streamDevice);
}
}
}
// Post a persist volume msg
sendMsg(mAudioHandler,
MSG_PERSIST_VOLUME,
SENDMSG_QUEUE,
device,
0,
streamState,
PERSIST_DELAY);
}
/** Handles internal volume messages in separate volume thread. */
private class AudioHandler extends Handler {
private void setAllVolumes(VolumeStreamState streamState) {
// Apply volume
streamState.applyAllVolumes();
// Apply change to all streams using this one as alias
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
if (streamType != streamState.mStreamType &&
mStreamVolumeAlias[streamType] == streamState.mStreamType) {
mStreamStates[streamType].applyAllVolumes();
}
}
}
private void persistVolume(VolumeStreamState streamState, int device) {
if (mUseFixedVolume) {
return;
}
if (mIsSingleVolume && (streamState.mStreamType != AudioSystem.STREAM_MUSIC)) {
return;
}
if (streamState.hasValidSettingsName()) {
System.putIntForUser(mContentResolver,
streamState.getSettingNameForDevice(device),
(streamState.getIndex(device) + 5)/ 10,
UserHandle.USER_CURRENT);
}
}
private void persistRingerMode(int ringerMode) {
if (mUseFixedVolume) {
return;
}
Settings.Global.putInt(mContentResolver, Settings.Global.MODE_RINGER, ringerMode);
}
private String getSoundEffectFilePath(int effectType) {
String filePath = Environment.getProductDirectory() + SOUND_EFFECTS_PATH
+ SOUND_EFFECT_FILES.get(SOUND_EFFECT_FILES_MAP[effectType][0]);
if (!new File(filePath).isFile()) {
filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH
+ SOUND_EFFECT_FILES.get(SOUND_EFFECT_FILES_MAP[effectType][0]);
}
return filePath;
}
private boolean onLoadSoundEffects() {
int status;
synchronized (mSoundEffectsLock) {
if (!mSystemReady) {
Log.w(TAG, "onLoadSoundEffects() called before boot complete");
return false;
}
if (mSoundPool != null) {
return true;
}
loadTouchSoundAssets();
mSoundPool = new SoundPool.Builder()
.setMaxStreams(NUM_SOUNDPOOL_CHANNELS)
.setAudioAttributes(new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
.setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
.build())
.build();
mSoundPoolCallBack = null;
mSoundPoolListenerThread = new SoundPoolListenerThread();
mSoundPoolListenerThread.start();
int attempts = 3;
while ((mSoundPoolCallBack == null) && (attempts-- > 0)) {
try {
// Wait for mSoundPoolCallBack to be set by the other thread
mSoundEffectsLock.wait(SOUND_EFFECTS_LOAD_TIMEOUT_MS);
} catch (InterruptedException e) {
Log.w(TAG, "Interrupted while waiting sound pool listener thread.");
}
}
if (mSoundPoolCallBack == null) {
Log.w(TAG, "onLoadSoundEffects() SoundPool listener or thread creation error");
if (mSoundPoolLooper != null) {
mSoundPoolLooper.quit();
mSoundPoolLooper = null;
}
mSoundPoolListenerThread = null;
mSoundPool.release();
mSoundPool = null;
return false;
}
/*
* poolId table: The value -1 in this table indicates that corresponding
* file (same index in SOUND_EFFECT_FILES[] has not been loaded.
* Once loaded, the value in poolId is the sample ID and the same
* sample can be reused for another effect using the same file.
*/
int[] poolId = new int[SOUND_EFFECT_FILES.size()];
for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.size(); fileIdx++) {
poolId[fileIdx] = -1;
}
/*
* Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded.
* If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0:
* this indicates we have a valid sample loaded for this effect.
*/
int numSamples = 0;
for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) {
// Do not load sample if this effect uses the MediaPlayer
if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) {
continue;
}
if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) {
String filePath = getSoundEffectFilePath(effect);
int sampleId = mSoundPool.load(filePath, 0);
if (sampleId <= 0) {
Log.w(TAG, "Soundpool could not load file: "+filePath);
} else {
SOUND_EFFECT_FILES_MAP[effect][1] = sampleId;
poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId;
numSamples++;
}
} else {
SOUND_EFFECT_FILES_MAP[effect][1] =
poolId[SOUND_EFFECT_FILES_MAP[effect][0]];
}
}
// wait for all samples to be loaded
if (numSamples > 0) {
mSoundPoolCallBack.setSamples(poolId);
attempts = 3;
status = 1;
while ((status == 1) && (attempts-- > 0)) {
try {
mSoundEffectsLock.wait(SOUND_EFFECTS_LOAD_TIMEOUT_MS);
status = mSoundPoolCallBack.status();
} catch (InterruptedException e) {
Log.w(TAG, "Interrupted while waiting sound pool callback.");
}
}
} else {
status = -1;
}
if (mSoundPoolLooper != null) {
mSoundPoolLooper.quit();
mSoundPoolLooper = null;
}
mSoundPoolListenerThread = null;
if (status != 0) {
Log.w(TAG,
"onLoadSoundEffects(), Error "+status+ " while loading samples");
for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) {
if (SOUND_EFFECT_FILES_MAP[effect][1] > 0) {
SOUND_EFFECT_FILES_MAP[effect][1] = -1;
}
}
mSoundPool.release();
mSoundPool = null;
}
}
return (status == 0);
}
/**
* Unloads samples from the sound pool.
* This method can be called to free some memory when
* sound effects are disabled.
*/
private void onUnloadSoundEffects() {
synchronized (mSoundEffectsLock) {
if (mSoundPool == null) {
return;
}
int[] poolId = new int[SOUND_EFFECT_FILES.size()];
for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.size(); fileIdx++) {
poolId[fileIdx] = 0;
}
for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) {
if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) {
continue;
}
if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) {
mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]);
SOUND_EFFECT_FILES_MAP[effect][1] = -1;
poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1;
}
}
mSoundPool.release();
mSoundPool = null;
}
}
private void onPlaySoundEffect(int effectType, int volume) {
synchronized (mSoundEffectsLock) {
onLoadSoundEffects();
if (mSoundPool == null) {
return;
}
float volFloat;
// use default if volume is not specified by caller
if (volume < 0) {
volFloat = (float)Math.pow(10, (float)sSoundEffectVolumeDb/20);
} else {
volFloat = volume / 1000.0f;
}
if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) {
mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1],
volFloat, volFloat, 0, 0, 1.0f);
} else {
MediaPlayer mediaPlayer = new MediaPlayer();
try {
String filePath = getSoundEffectFilePath(effectType);
mediaPlayer.setDataSource(filePath);
mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM);
mediaPlayer.prepare();
mediaPlayer.setVolume(volFloat);
mediaPlayer.setOnCompletionListener(new OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
cleanupPlayer(mp);
}
});
mediaPlayer.setOnErrorListener(new OnErrorListener() {
public boolean onError(MediaPlayer mp, int what, int extra) {
cleanupPlayer(mp);
return true;
}
});
mediaPlayer.start();
} catch (IOException ex) {
Log.w(TAG, "MediaPlayer IOException: "+ex);
} catch (IllegalArgumentException ex) {
Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex);
} catch (IllegalStateException ex) {
Log.w(TAG, "MediaPlayer IllegalStateException: "+ex);
}
}
}
}
private void cleanupPlayer(MediaPlayer mp) {
if (mp != null) {
try {
mp.stop();
mp.release();
} catch (IllegalStateException ex) {
Log.w(TAG, "MediaPlayer IllegalStateException: "+ex);
}
}
}
private void setForceUse(int usage, int config, String eventSource) {
synchronized (mConnectedDevices) {
setForceUseInt_SyncDevices(usage, config, eventSource);
}
}
private void onPersistSafeVolumeState(int state) {
Settings.Global.putInt(mContentResolver,
Settings.Global.AUDIO_SAFE_VOLUME_STATE,
state);
}
private void onNotifyVolumeEvent(@NonNull IAudioPolicyCallback apc,
@AudioManager.VolumeAdjustment int direction) {
try {
apc.notifyVolumeAdjust(direction);
} catch(Exception e) {
// nothing we can do about this. Do not log error, too much potential for spam
}
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_SET_DEVICE_VOLUME:
setDeviceVolume((VolumeStreamState) msg.obj, msg.arg1);
break;
case MSG_SET_ALL_VOLUMES:
setAllVolumes((VolumeStreamState) msg.obj);
break;
case MSG_PERSIST_VOLUME:
persistVolume((VolumeStreamState) msg.obj, msg.arg1);
break;
case MSG_PERSIST_RINGER_MODE:
// note that the value persisted is the current ringer mode, not the
// value of ringer mode as of the time the request was made to persist
persistRingerMode(getRingerModeInternal());
break;
case MSG_AUDIO_SERVER_DIED:
onAudioServerDied();
break;
case MSG_DISPATCH_AUDIO_SERVER_STATE:
onDispatchAudioServerStateChange(msg.arg1 == 1);
break;
case MSG_UNLOAD_SOUND_EFFECTS:
onUnloadSoundEffects();
break;
case MSG_LOAD_SOUND_EFFECTS:
//FIXME: onLoadSoundEffects() should be executed in a separate thread as it
// can take several dozens of milliseconds to complete
boolean loaded = onLoadSoundEffects();
if (msg.obj != null) {
LoadSoundEffectReply reply = (LoadSoundEffectReply)msg.obj;
synchronized (reply) {
reply.mStatus = loaded ? 0 : -1;
reply.notify();
}
}
break;
case MSG_PLAY_SOUND_EFFECT:
onPlaySoundEffect(msg.arg1, msg.arg2);
break;
case MSG_BTA2DP_DOCK_TIMEOUT:
// msg.obj == address of BTA2DP device
synchronized (mConnectedDevices) {
makeA2dpDeviceUnavailableNow( (String) msg.obj );
}
mAudioEventWakeLock.release();
break;
case MSG_SET_FORCE_USE:
case MSG_SET_FORCE_BT_A2DP_USE:
setForceUse(msg.arg1, msg.arg2, (String) msg.obj);
break;
case MSG_BT_HEADSET_CNCT_FAILED:
resetBluetoothSco();
break;
case MSG_SET_WIRED_DEVICE_CONNECTION_STATE:
{ WiredDeviceConnectionState connectState =
(WiredDeviceConnectionState)msg.obj;
mWiredDevLogger.log(new WiredDevConnectEvent(connectState));
onSetWiredDeviceConnectionState(connectState.mType, connectState.mState,
connectState.mAddress, connectState.mName, connectState.mCaller);
mAudioEventWakeLock.release();
}
break;
case MSG_SET_A2DP_SRC_CONNECTION_STATE:
onSetA2dpSourceConnectionState((BluetoothDevice)msg.obj, msg.arg1);
mAudioEventWakeLock.release();
break;
case MSG_SET_A2DP_SINK_CONNECTION_STATE:
onSetA2dpSinkConnectionState((BluetoothDevice)msg.obj, msg.arg1, msg.arg2);
mAudioEventWakeLock.release();
break;
case MSG_SET_HEARING_AID_CONNECTION_STATE:
onSetHearingAidConnectionState((BluetoothDevice)msg.obj, msg.arg1);
mAudioEventWakeLock.release();
break;
case MSG_A2DP_DEVICE_CONFIG_CHANGE:
onBluetoothA2dpDeviceConfigChange((BluetoothDevice)msg.obj);
mAudioEventWakeLock.release();
break;
case MSG_DISABLE_AUDIO_FOR_UID:
mPlaybackMonitor.disableAudioForUid( msg.arg1 == 1 /* disable */,
msg.arg2 /* uid */);
mAudioEventWakeLock.release();
break;
case MSG_REPORT_NEW_ROUTES: {
int N = mRoutesObservers.beginBroadcast();
if (N > 0) {
AudioRoutesInfo routes;
synchronized (mCurAudioRoutes) {
routes = new AudioRoutesInfo(mCurAudioRoutes);
}
while (N > 0) {
N--;
IAudioRoutesObserver obs = mRoutesObservers.getBroadcastItem(N);
try {
obs.dispatchAudioRoutesChanged(routes);
} catch (RemoteException e) {
}
}
}
mRoutesObservers.finishBroadcast();
observeDevicesForStreams(-1);
break;
}
case MSG_CHECK_MUSIC_ACTIVE:
onCheckMusicActive((String) msg.obj);
break;
case MSG_BROADCAST_AUDIO_BECOMING_NOISY:
onSendBecomingNoisyIntent();
break;
case MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED:
case MSG_CONFIGURE_SAFE_MEDIA_VOLUME:
onConfigureSafeVolume((msg.what == MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED),
(String) msg.obj);
break;
case MSG_PERSIST_SAFE_VOLUME_STATE:
onPersistSafeVolumeState(msg.arg1);
break;
case MSG_BROADCAST_BT_CONNECTION_STATE:
onBroadcastScoConnectionState(msg.arg1);
break;
case MSG_SYSTEM_READY:
onSystemReady();
break;
case MSG_INDICATE_SYSTEM_READY:
onIndicateSystemReady();
break;
case MSG_ACCESSORY_PLUG_MEDIA_UNMUTE:
onAccessoryPlugMediaUnmute(msg.arg1);
break;
case MSG_PERSIST_MUSIC_ACTIVE_MS:
final int musicActiveMs = msg.arg1;
Settings.Secure.putIntForUser(mContentResolver,
Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS, musicActiveMs,
UserHandle.USER_CURRENT);
break;
case MSG_UNMUTE_STREAM:
onUnmuteStream(msg.arg1, msg.arg2);
break;
case MSG_DYN_POLICY_MIX_STATE_UPDATE:
onDynPolicyMixStateUpdate((String) msg.obj, msg.arg1);
break;
case MSG_NOTIFY_VOL_EVENT:
onNotifyVolumeEvent((IAudioPolicyCallback) msg.obj, msg.arg1);
break;
case MSG_ENABLE_SURROUND_FORMATS:
onEnableSurroundFormats((ArrayList<Integer>) msg.obj);
break;
}
}
}
private class SettingsObserver extends ContentObserver {
SettingsObserver() {
super(new Handler());
mContentResolver.registerContentObserver(Settings.Global.getUriFor(
Settings.Global.ZEN_MODE), false, this);
mContentResolver.registerContentObserver(Settings.Global.getUriFor(
Settings.Global.ZEN_MODE_CONFIG_ETAG), false, this);
mContentResolver.registerContentObserver(Settings.System.getUriFor(
Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this);
mContentResolver.registerContentObserver(Settings.Global.getUriFor(
Settings.Global.DOCK_AUDIO_MEDIA_ENABLED), false, this);
mContentResolver.registerContentObserver(Settings.System.getUriFor(
Settings.System.MASTER_MONO), false, this);
mEncodedSurroundMode = Settings.Global.getInt(
mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
mContentResolver.registerContentObserver(Settings.Global.getUriFor(
Settings.Global.ENCODED_SURROUND_OUTPUT), false, this);
mEnabledSurroundFormats = Settings.Global.getString(
mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS);
mContentResolver.registerContentObserver(Settings.Global.getUriFor(
Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS), false, this);
}
@Override
public void onChange(boolean selfChange) {
super.onChange(selfChange);
// FIXME This synchronized is not necessary if mSettingsLock only protects mRingerMode.
// However there appear to be some missing locks around mRingerAndZenModeMutedStreams
// and mRingerModeAffectedStreams, so will leave this synchronized for now.
// mRingerAndZenModeMutedStreams and mMuteAffectedStreams are safe (only accessed once).
synchronized (mSettingsLock) {
if (updateRingerAndZenModeAffectedStreams()) {
/*
* Ensure all stream types that should be affected by ringer mode
* are in the proper state.
*/
setRingerModeInt(getRingerModeInternal(), false);
}
readDockAudioSettings(mContentResolver);
updateMasterMono(mContentResolver);
updateEncodedSurroundOutput();
sendEnabledSurroundFormats(mContentResolver, mSurroundModeChanged);
}
}
private void updateEncodedSurroundOutput() {
int newSurroundMode = Settings.Global.getInt(
mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
// Did it change?
if (mEncodedSurroundMode != newSurroundMode) {
// Send to AudioPolicyManager
sendEncodedSurroundMode(newSurroundMode, "SettingsObserver");
synchronized(mConnectedDevices) {
// Is HDMI connected?
String key = makeDeviceListKey(AudioSystem.DEVICE_OUT_HDMI, "");
DeviceListSpec deviceSpec = mConnectedDevices.get(key);
if (deviceSpec != null) {
// Toggle HDMI to retrigger broadcast with proper formats.
setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
AudioSystem.DEVICE_STATE_UNAVAILABLE, "", "",
"android"); // disconnect
setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
AudioSystem.DEVICE_STATE_AVAILABLE, "", "",
"android"); // reconnect
}
}
mEncodedSurroundMode = newSurroundMode;
mSurroundModeChanged = true;
} else {
mSurroundModeChanged = false;
}
}
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceAvailable(String address, String name, String eventSource) {
// enable A2DP before notifying A2DP connection to avoid unnecessary processing in
// audio policy manager
VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC];
setBluetoothA2dpOnInt(true, eventSource);
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_AVAILABLE, address, name);
// Reset A2DP suspend state each time a new sink is connected
AudioSystem.setParameters("A2dpSuspended=false");
mConnectedDevices.put(
makeDeviceListKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, address),
new DeviceListSpec(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, name,
address));
sendMsg(mAudioHandler, MSG_ACCESSORY_PLUG_MEDIA_UNMUTE, SENDMSG_QUEUE,
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0, null, 0);
}
private void onSendBecomingNoisyIntent() {
sendBroadcastToAll(new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY));
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceUnavailableNow(String address) {
if (address == null) {
return;
}
synchronized (mA2dpAvrcpLock) {
mAvrcpAbsVolSupported = false;
}
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_UNAVAILABLE, address, "");
mConnectedDevices.remove(
makeDeviceListKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, address));
// Remove A2DP routes as well
setCurrentAudioRouteName(null);
if (mDockAddress == address) {
mDockAddress = null;
}
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceUnavailableLater(String address, int delayMs) {
// prevent any activity on the A2DP audio output to avoid unwanted
// reconnection of the sink.
AudioSystem.setParameters("A2dpSuspended=true");
// the device will be made unavailable later, so consider it disconnected right away
mConnectedDevices.remove(
makeDeviceListKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, address));
// send the delayed message to make the device unavailable later
queueMsgUnderWakeLock(mAudioHandler,
MSG_BTA2DP_DOCK_TIMEOUT,
0,
0,
address,
delayMs);
}
// must be called synchronized on mConnectedDevices
private void makeA2dpSrcAvailable(String address) {
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_AVAILABLE, address, "");
mConnectedDevices.put(
makeDeviceListKey(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP, address),
new DeviceListSpec(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP, "",
address));
}
// must be called synchronized on mConnectedDevices
private void makeA2dpSrcUnavailable(String address) {
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_UNAVAILABLE, address, "");
mConnectedDevices.remove(
makeDeviceListKey(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP, address));
}
private void setHearingAidVolume(int index, int streamType) {
synchronized (mHearingAidLock) {
if (mHearingAid != null) {
//hearing aid expect volume value in range -128dB to 0dB
int gainDB = (int)AudioSystem.getStreamVolumeDB(streamType, index/10,
AudioSystem.DEVICE_OUT_HEARING_AID);
if (gainDB < BT_HEARING_AID_GAIN_MIN)
gainDB = BT_HEARING_AID_GAIN_MIN;
mHearingAid.setVolume(gainDB);
}
}
}
// must be called synchronized on mConnectedDevices
private void makeHearingAidDeviceAvailable(String address, String name, String eventSource) {
int index = mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(AudioSystem.DEVICE_OUT_HEARING_AID);
setHearingAidVolume(index, AudioSystem.STREAM_MUSIC);
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_HEARING_AID,
AudioSystem.DEVICE_STATE_AVAILABLE, address, name);
mConnectedDevices.put(
makeDeviceListKey(AudioSystem.DEVICE_OUT_HEARING_AID, address),
new DeviceListSpec(AudioSystem.DEVICE_OUT_HEARING_AID, name,
address));
sendMsg(mAudioHandler, MSG_ACCESSORY_PLUG_MEDIA_UNMUTE, SENDMSG_QUEUE,
AudioSystem.DEVICE_OUT_HEARING_AID, 0, null, 0);
}
// must be called synchronized on mConnectedDevices
private void makeHearingAidDeviceUnavailable(String address) {
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_HEARING_AID,
AudioSystem.DEVICE_STATE_UNAVAILABLE, address, "");
mConnectedDevices.remove(
makeDeviceListKey(AudioSystem.DEVICE_OUT_HEARING_AID, address));
// Remove Hearing Aid routes as well
setCurrentAudioRouteName(null);
}
// must be called synchronized on mConnectedDevices
private void cancelA2dpDeviceTimeout() {
mAudioHandler.removeMessages(MSG_BTA2DP_DOCK_TIMEOUT);
}
// must be called synchronized on mConnectedDevices
private boolean hasScheduledA2dpDockTimeout() {
return mAudioHandler.hasMessages(MSG_BTA2DP_DOCK_TIMEOUT);
}
private void onSetA2dpSinkConnectionState(BluetoothDevice btDevice, int state, int a2dpVolume)
{
if (DEBUG_DEVICES) {
Log.d(TAG, "onSetA2dpSinkConnectionState btDevice= " + btDevice+" state= " + state
+ " is dock: "+btDevice.isBluetoothDock());
}
if (btDevice == null) {
return;
}
String address = btDevice.getAddress();
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
synchronized (mConnectedDevices) {
final String key = makeDeviceListKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
btDevice.getAddress());
final DeviceListSpec deviceSpec = mConnectedDevices.get(key);
boolean isConnected = deviceSpec != null;
if (isConnected && state != BluetoothProfile.STATE_CONNECTED) {
if (btDevice.isBluetoothDock()) {
if (state == BluetoothProfile.STATE_DISCONNECTED) {
// introduction of a delay for transient disconnections of docks when
// power is rapidly turned off/on, this message will be canceled if
// we reconnect the dock under a preset delay
makeA2dpDeviceUnavailableLater(address, BTA2DP_DOCK_TIMEOUT_MILLIS);
// the next time isConnected is evaluated, it will be false for the dock
}
} else {
makeA2dpDeviceUnavailableNow(address);
}
setCurrentAudioRouteName(null);
} else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) {
if (btDevice.isBluetoothDock()) {
// this could be a reconnection after a transient disconnection
cancelA2dpDeviceTimeout();
mDockAddress = address;
} else {
// this could be a connection of another A2DP device before the timeout of
// a dock: cancel the dock timeout, and make the dock unavailable now
if (hasScheduledA2dpDockTimeout() && mDockAddress != null) {
cancelA2dpDeviceTimeout();
makeA2dpDeviceUnavailableNow(mDockAddress);
}
}
if (a2dpVolume != -1) {
VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC];
// Convert index to internal representation in VolumeStreamState
a2dpVolume = a2dpVolume * 10;
streamState.setIndex(a2dpVolume, AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
"onSetA2dpSinkConnectionState");
setDeviceVolume(streamState, AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP);
}
makeA2dpDeviceAvailable(address, btDevice.getName(),
"onSetA2dpSinkConnectionState");
setCurrentAudioRouteName(btDevice.getAliasName());
}
}
}
private void onSetA2dpSourceConnectionState(BluetoothDevice btDevice, int state)
{
if (DEBUG_VOL) {
Log.d(TAG, "onSetA2dpSourceConnectionState btDevice=" + btDevice + " state=" + state);
}
if (btDevice == null) {
return;
}
String address = btDevice.getAddress();
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
synchronized (mConnectedDevices) {
final String key = makeDeviceListKey(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP, address);
final DeviceListSpec deviceSpec = mConnectedDevices.get(key);
boolean isConnected = deviceSpec != null;
if (isConnected && state != BluetoothProfile.STATE_CONNECTED) {
makeA2dpSrcUnavailable(address);
} else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) {
makeA2dpSrcAvailable(address);
}
}
}
private void onSetHearingAidConnectionState(BluetoothDevice btDevice, int state)
{
if (DEBUG_DEVICES) {
Log.d(TAG, "onSetHearingAidConnectionState btDevice=" + btDevice+", state=" + state);
}
if (btDevice == null) {
return;
}
String address = btDevice.getAddress();
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
synchronized (mConnectedDevices) {
final String key = makeDeviceListKey(AudioSystem.DEVICE_OUT_HEARING_AID,
btDevice.getAddress());
final DeviceListSpec deviceSpec = mConnectedDevices.get(key);
boolean isConnected = deviceSpec != null;
if (isConnected && state != BluetoothProfile.STATE_CONNECTED) {
makeHearingAidDeviceUnavailable(address);
setCurrentAudioRouteName(null);
} else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) {
makeHearingAidDeviceAvailable(address, btDevice.getName(),
"onSetHearingAidConnectionState");
setCurrentAudioRouteName(btDevice.getAliasName());
}
}
}
private void setCurrentAudioRouteName(String name){
synchronized (mCurAudioRoutes) {
if (!TextUtils.equals(mCurAudioRoutes.bluetoothName, name)) {
mCurAudioRoutes.bluetoothName = name;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
}
private void onBluetoothA2dpDeviceConfigChange(BluetoothDevice btDevice)
{
if (DEBUG_DEVICES) {
Log.d(TAG, "onBluetoothA2dpDeviceConfigChange btDevice=" + btDevice);
}
if (btDevice == null) {
return;
}
String address = btDevice.getAddress();
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
int device = AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP;
synchronized (mConnectedDevices) {
if (mAudioHandler.hasMessages(MSG_SET_A2DP_SINK_CONNECTION_STATE, btDevice)) {
return;
}
final String key = makeDeviceListKey(device, address);
final DeviceListSpec deviceSpec = mConnectedDevices.get(key);
if (deviceSpec != null) {
// Device is connected
int musicDevice = getDeviceForStream(AudioSystem.STREAM_MUSIC);
if (AudioSystem.handleDeviceConfigChange(device, address,
btDevice.getName()) != AudioSystem.AUDIO_STATUS_OK) {
// force A2DP device disconnection in case of error so that AudioService state is
// consistent with audio policy manager state
setBluetoothA2dpDeviceConnectionStateInt(
btDevice, BluetoothA2dp.STATE_DISCONNECTED, BluetoothProfile.A2DP,
false /* suppressNoisyIntent */, musicDevice, -1 /* a2dpVolume */);
}
}
}
}
public void avrcpSupportsAbsoluteVolume(String address, boolean support) {
// address is not used for now, but may be used when multiple a2dp devices are supported
synchronized (mA2dpAvrcpLock) {
mAvrcpAbsVolSupported = support;
sendMsg(mAudioHandler, MSG_SET_DEVICE_VOLUME, SENDMSG_QUEUE,
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0,
mStreamStates[AudioSystem.STREAM_MUSIC], 0);
}
}
private boolean handleDeviceConnection(boolean connect, int device, String address,
String deviceName) {
if (DEBUG_DEVICES) {
Slog.i(TAG, "handleDeviceConnection(" + connect + " dev:" + Integer.toHexString(device)
+ " address:" + address + " name:" + deviceName + ")");
}
synchronized (mConnectedDevices) {
String deviceKey = makeDeviceListKey(device, address);
if (DEBUG_DEVICES) {
Slog.i(TAG, "deviceKey:" + deviceKey);
}
DeviceListSpec deviceSpec = mConnectedDevices.get(deviceKey);
boolean isConnected = deviceSpec != null;
if (DEBUG_DEVICES) {
Slog.i(TAG, "deviceSpec:" + deviceSpec + " is(already)Connected:" + isConnected);
}
if (connect && !isConnected) {
final int res = AudioSystem.setDeviceConnectionState(device,
AudioSystem.DEVICE_STATE_AVAILABLE, address, deviceName);
if (res != AudioSystem.AUDIO_STATUS_OK) {
Slog.e(TAG, "not connecting device 0x" + Integer.toHexString(device) +
" due to command error " + res );
return false;
}
mConnectedDevices.put(deviceKey, new DeviceListSpec(device, deviceName, address));
sendMsg(mAudioHandler, MSG_ACCESSORY_PLUG_MEDIA_UNMUTE, SENDMSG_QUEUE,
device, 0, null, 0);
return true;
} else if (!connect && isConnected) {
AudioSystem.setDeviceConnectionState(device,
AudioSystem.DEVICE_STATE_UNAVAILABLE, address, deviceName);
// always remove even if disconnection failed
mConnectedDevices.remove(deviceKey);
return true;
}
Log.w(TAG, "handleDeviceConnection() failed, deviceKey=" + deviceKey + ", deviceSpec="
+ deviceSpec + ", connect=" + connect);
}
return false;
}
// Devices which removal triggers intent ACTION_AUDIO_BECOMING_NOISY. The intent is only
// sent if:
// - none of these devices are connected anymore after one is disconnected AND
// - the device being disconnected is actually used for music.
// Access synchronized on mConnectedDevices
int mBecomingNoisyIntentDevices =
AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem.DEVICE_OUT_ALL_A2DP | AudioSystem.DEVICE_OUT_HDMI |
AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET | AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET |
AudioSystem.DEVICE_OUT_ALL_USB | AudioSystem.DEVICE_OUT_LINE |
AudioSystem.DEVICE_OUT_HEARING_AID;
// must be called before removing the device from mConnectedDevices
// Called synchronized on mConnectedDevices
// musicDevice argument is used when not AudioSystem.DEVICE_NONE instead of querying
// from AudioSystem
private int checkSendBecomingNoisyIntent(int device, int state, int musicDevice) {
int delay = 0;
if ((state == 0) && ((device & mBecomingNoisyIntentDevices) != 0)) {
int devices = 0;
for (int i = 0; i < mConnectedDevices.size(); i++) {
int dev = mConnectedDevices.valueAt(i).mDeviceType;
if (((dev & AudioSystem.DEVICE_BIT_IN) == 0)
&& ((dev & mBecomingNoisyIntentDevices) != 0)) {
devices |= dev;
}
}
if (musicDevice == AudioSystem.DEVICE_NONE) {
musicDevice = getDeviceForStream(AudioSystem.STREAM_MUSIC);
}
// ignore condition on device being actually used for music when in communication
// because music routing is altered in this case.
// also checks whether media routing if affected by a dynamic policy
if (((device == musicDevice) || isInCommunication()) && (device == devices)
&& !hasMediaDynamicPolicy()) {
mAudioHandler.removeMessages(MSG_BROADCAST_AUDIO_BECOMING_NOISY);
sendMsg(mAudioHandler,
MSG_BROADCAST_AUDIO_BECOMING_NOISY,
SENDMSG_REPLACE,
0,
0,
null,
0);
delay = 1000;
}
}
return delay;
}
/**
* @return true if there is currently a registered dynamic mixing policy that affects media
*/
private boolean hasMediaDynamicPolicy() {
synchronized (mAudioPolicies) {
if (mAudioPolicies.isEmpty()) {
return false;
}
final Collection<AudioPolicyProxy> appColl = mAudioPolicies.values();
for (AudioPolicyProxy app : appColl) {
if (app.hasMixAffectingUsage(AudioAttributes.USAGE_MEDIA)) {
return true;
}
}
return false;
}
}
private void updateAudioRoutes(int device, int state)
{
int connType = 0;
if (device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) {
connType = AudioRoutesInfo.MAIN_HEADSET;
} else if (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE ||
device == AudioSystem.DEVICE_OUT_LINE) {
connType = AudioRoutesInfo.MAIN_HEADPHONES;
} else if (device == AudioSystem.DEVICE_OUT_HDMI ||
device == AudioSystem.DEVICE_OUT_HDMI_ARC) {
connType = AudioRoutesInfo.MAIN_HDMI;
} else if (device == AudioSystem.DEVICE_OUT_USB_DEVICE||
device == AudioSystem.DEVICE_OUT_USB_HEADSET) {
connType = AudioRoutesInfo.MAIN_USB;
}
synchronized (mCurAudioRoutes) {
if (connType != 0) {
int newConn = mCurAudioRoutes.mainType;
if (state != 0) {
newConn |= connType;
} else {
newConn &= ~connType;
}
if (newConn != mCurAudioRoutes.mainType) {
mCurAudioRoutes.mainType = newConn;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
}
}
private void sendDeviceConnectionIntent(int device, int state, String address,
String deviceName) {
if (DEBUG_DEVICES) {
Slog.i(TAG, "sendDeviceConnectionIntent(dev:0x" + Integer.toHexString(device) +
" state:0x" + Integer.toHexString(state) + " address:" + address +
" name:" + deviceName + ");");
}
Intent intent = new Intent();
if (device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) {
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone", 1);
} else if (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE ||
device == AudioSystem.DEVICE_OUT_LINE) {
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone", 0);
} else if (device == AudioSystem.DEVICE_OUT_USB_HEADSET) {
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone",
AudioSystem.getDeviceConnectionState(AudioSystem.DEVICE_IN_USB_HEADSET, "")
== AudioSystem.DEVICE_STATE_AVAILABLE ? 1 : 0);
} else if (device == AudioSystem.DEVICE_IN_USB_HEADSET) {
if (AudioSystem.getDeviceConnectionState(AudioSystem.DEVICE_OUT_USB_HEADSET, "")
== AudioSystem.DEVICE_STATE_AVAILABLE) {
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone", 1);
} else {
// do not send ACTION_HEADSET_PLUG when only the input side is seen as changing
return;
}
} else if (device == AudioSystem.DEVICE_OUT_HDMI ||
device == AudioSystem.DEVICE_OUT_HDMI_ARC) {
configureHdmiPlugIntent(intent, state);
}
if (intent.getAction() == null) {
return;
}
intent.putExtra(CONNECT_INTENT_KEY_STATE, state);
intent.putExtra(CONNECT_INTENT_KEY_ADDRESS, address);
intent.putExtra(CONNECT_INTENT_KEY_PORT_NAME, deviceName);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
final long ident = Binder.clearCallingIdentity();
try {
ActivityManager.broadcastStickyIntent(intent, UserHandle.USER_ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private static final int DEVICE_OVERRIDE_A2DP_ROUTE_ON_PLUG =
AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem.DEVICE_OUT_LINE |
AudioSystem.DEVICE_OUT_ALL_USB;
private void onSetWiredDeviceConnectionState(int device, int state, String address,
String deviceName, String caller) {
if (DEBUG_DEVICES) {
Slog.i(TAG, "onSetWiredDeviceConnectionState(dev:" + Integer.toHexString(device)
+ " state:" + Integer.toHexString(state)
+ " address:" + address
+ " deviceName:" + deviceName
+ " caller: " + caller + ");");
}
synchronized (mConnectedDevices) {
if ((state == 0) && ((device & DEVICE_OVERRIDE_A2DP_ROUTE_ON_PLUG) != 0)) {
setBluetoothA2dpOnInt(true, "onSetWiredDeviceConnectionState state 0");
}
if (!handleDeviceConnection(state == 1, device, address, deviceName)) {
// change of connection state failed, bailout
return;
}
if (state != 0) {
if ((device & DEVICE_OVERRIDE_A2DP_ROUTE_ON_PLUG) != 0) {
setBluetoothA2dpOnInt(false, "onSetWiredDeviceConnectionState state not 0");
}
if ((device & mSafeMediaVolumeDevices) != 0) {
sendMsg(mAudioHandler,
MSG_CHECK_MUSIC_ACTIVE,
SENDMSG_REPLACE,
0,
0,
caller,
MUSIC_ACTIVE_POLL_PERIOD_MS);
}
// Television devices without CEC service apply software volume on HDMI output
if (isPlatformTelevision() && ((device & AudioSystem.DEVICE_OUT_HDMI) != 0)) {
mFixedVolumeDevices |= AudioSystem.DEVICE_OUT_HDMI;
checkAllFixedVolumeDevices();
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
if (mHdmiPlaybackClient != null) {
mHdmiCecSink = false;
mHdmiPlaybackClient.queryDisplayStatus(mHdmiDisplayStatusCallback);
}
}
}
}
if ((device & AudioSystem.DEVICE_OUT_HDMI) != 0) {
sendEnabledSurroundFormats(mContentResolver, true);
}
} else {
if (isPlatformTelevision() && ((device & AudioSystem.DEVICE_OUT_HDMI) != 0)) {
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
mHdmiCecSink = false;
}
}
}
}
sendDeviceConnectionIntent(device, state, address, deviceName);
updateAudioRoutes(device, state);
}
}
private void configureHdmiPlugIntent(Intent intent, int state) {
intent.setAction(AudioManager.ACTION_HDMI_AUDIO_PLUG);
intent.putExtra(AudioManager.EXTRA_AUDIO_PLUG_STATE, state);
if (state == 1) {
ArrayList<AudioPort> ports = new ArrayList<AudioPort>();
int[] portGeneration = new int[1];
int status = AudioSystem.listAudioPorts(ports, portGeneration);
if (status == AudioManager.SUCCESS) {
for (AudioPort port : ports) {
if (port instanceof AudioDevicePort) {
final AudioDevicePort devicePort = (AudioDevicePort) port;
if (devicePort.type() == AudioManager.DEVICE_OUT_HDMI ||
devicePort.type() == AudioManager.DEVICE_OUT_HDMI_ARC) {
// format the list of supported encodings
int[] formats = AudioFormat.filterPublicFormats(devicePort.formats());
if (formats.length > 0) {
ArrayList<Integer> encodingList = new ArrayList(1);
for (int format : formats) {
// a format in the list can be 0, skip it
if (format != AudioFormat.ENCODING_INVALID) {
encodingList.add(format);
}
}
int[] encodingArray = new int[encodingList.size()];
for (int i = 0 ; i < encodingArray.length ; i++) {
encodingArray[i] = encodingList.get(i);
}
intent.putExtra(AudioManager.EXTRA_ENCODINGS, encodingArray);
}
// find the maximum supported number of channels
int maxChannels = 0;
for (int mask : devicePort.channelMasks()) {
int channelCount = AudioFormat.channelCountFromOutChannelMask(mask);
if (channelCount > maxChannels) {
maxChannels = channelCount;
}
}
intent.putExtra(AudioManager.EXTRA_MAX_CHANNEL_COUNT, maxChannels);
}
}
}
}
}
}
/* cache of the address of the last dock the device was connected to */
private String mDockAddress;
/**
* Receiver for misc intent broadcasts the Phone app cares about.
*/
private class AudioServiceBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
int outDevice;
int inDevice;
int state;
if (action.equals(Intent.ACTION_DOCK_EVENT)) {
int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
Intent.EXTRA_DOCK_STATE_UNDOCKED);
int config;
switch (dockState) {
case Intent.EXTRA_DOCK_STATE_DESK:
config = AudioSystem.FORCE_BT_DESK_DOCK;
break;
case Intent.EXTRA_DOCK_STATE_CAR:
config = AudioSystem.FORCE_BT_CAR_DOCK;
break;
case Intent.EXTRA_DOCK_STATE_LE_DESK:
config = AudioSystem.FORCE_ANALOG_DOCK;
break;
case Intent.EXTRA_DOCK_STATE_HE_DESK:
config = AudioSystem.FORCE_DIGITAL_DOCK;
break;
case Intent.EXTRA_DOCK_STATE_UNDOCKED:
default:
config = AudioSystem.FORCE_NONE;
}
// Low end docks have a menu to enable or disable audio
// (see mDockAudioMediaEnabled)
if (!((dockState == Intent.EXTRA_DOCK_STATE_LE_DESK) ||
((dockState == Intent.EXTRA_DOCK_STATE_UNDOCKED) &&
(mDockState == Intent.EXTRA_DOCK_STATE_LE_DESK)))) {
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_DOCK, config,
"ACTION_DOCK_EVENT intent"));
AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config);
}
mDockState = dockState;
} else if (action.equals(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED)) {
BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
setBtScoActiveDevice(btDevice);
} else if (action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) {
boolean broadcast = false;
int scoAudioState = AudioManager.SCO_AUDIO_STATE_ERROR;
synchronized (mScoClients) {
int btState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1);
// broadcast intent if the connection was initated by AudioService
if (!mScoClients.isEmpty() &&
(mScoAudioState == SCO_STATE_ACTIVE_INTERNAL ||
mScoAudioState == SCO_STATE_ACTIVATE_REQ ||
mScoAudioState == SCO_STATE_DEACTIVATE_REQ ||
mScoAudioState == SCO_STATE_DEACTIVATING)) {
broadcast = true;
}
switch (btState) {
case BluetoothHeadset.STATE_AUDIO_CONNECTED:
scoAudioState = AudioManager.SCO_AUDIO_STATE_CONNECTED;
if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL &&
mScoAudioState != SCO_STATE_DEACTIVATE_REQ) {
mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL;
}
setBluetoothScoOn(true);
break;
case BluetoothHeadset.STATE_AUDIO_DISCONNECTED:
setBluetoothScoOn(false);
scoAudioState = AudioManager.SCO_AUDIO_STATE_DISCONNECTED;
// startBluetoothSco called after stopBluetoothSco
if (mScoAudioState == SCO_STATE_ACTIVATE_REQ) {
if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null
&& connectBluetoothScoAudioHelper(mBluetoothHeadset,
mBluetoothHeadsetDevice, mScoAudioMode)) {
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
broadcast = false;
break;
}
}
// Tear down SCO if disconnected from external
clearAllScoClients(0, mScoAudioState == SCO_STATE_ACTIVE_INTERNAL);
mScoAudioState = SCO_STATE_INACTIVE;
break;
case BluetoothHeadset.STATE_AUDIO_CONNECTING:
if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL &&
mScoAudioState != SCO_STATE_DEACTIVATE_REQ) {
mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL;
}
default:
// do not broadcast CONNECTING or invalid state
broadcast = false;
break;
}
}
if (broadcast) {
broadcastScoConnectionState(scoAudioState);
//FIXME: this is to maintain compatibility with deprecated intent
// AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED. Remove when appropriate.
Intent newIntent = new Intent(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED);
newIntent.putExtra(AudioManager.EXTRA_SCO_AUDIO_STATE, scoAudioState);
sendStickyBroadcastToAll(newIntent);
}
} else if (action.equals(Intent.ACTION_SCREEN_ON)) {
if (mMonitorRotation) {
RotationHelper.enable();
}
AudioSystem.setParameters("screen_state=on");
} else if (action.equals(Intent.ACTION_SCREEN_OFF)) {
if (mMonitorRotation) {
//reduce wakeups (save current) by only listening when display is on
RotationHelper.disable();
}
AudioSystem.setParameters("screen_state=off");
} else if (action.equals(Intent.ACTION_CONFIGURATION_CHANGED)) {
handleConfigurationChanged(context);
} else if (action.equals(Intent.ACTION_USER_SWITCHED)) {
if (mUserSwitchedReceived) {
// attempt to stop music playback for background user except on first user
// switch (i.e. first boot)
sendMsg(mAudioHandler,
MSG_BROADCAST_AUDIO_BECOMING_NOISY,
SENDMSG_REPLACE,
0,
0,
null,
0);
}
mUserSwitchedReceived = true;
// the current audio focus owner is no longer valid
mMediaFocusControl.discardAudioFocusOwner();
// load volume settings for new user
readAudioSettings(true /*userSwitch*/);
// preserve STREAM_MUSIC volume from one user to the next.
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
mStreamStates[AudioSystem.STREAM_MUSIC], 0);
} else if (action.equals(Intent.ACTION_USER_BACKGROUND)) {
// Disable audio recording for the background user/profile
int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1);
if (userId >= 0) {
// TODO Kill recording streams instead of killing processes holding permission
UserInfo userInfo = UserManagerService.getInstance().getUserInfo(userId);
killBackgroundUserProcessesWithRecordAudioPermission(userInfo);
}
UserManagerService.getInstance().setUserRestriction(
UserManager.DISALLOW_RECORD_AUDIO, true, userId);
} else if (action.equals(Intent.ACTION_USER_FOREGROUND)) {
// Enable audio recording for foreground user/profile
int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1);
UserManagerService.getInstance().setUserRestriction(
UserManager.DISALLOW_RECORD_AUDIO, false, userId);
} else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1);
if (state == BluetoothAdapter.STATE_OFF ||
state == BluetoothAdapter.STATE_TURNING_OFF) {
disconnectAllBluetoothProfiles();
}
} else if (action.equals(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION) ||
action.equals(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION)) {
handleAudioEffectBroadcast(context, intent);
}
}
} // end class AudioServiceBroadcastReceiver
private class AudioServiceUserRestrictionsListener implements UserRestrictionsListener {
@Override
public void onUserRestrictionsChanged(int userId, Bundle newRestrictions,
Bundle prevRestrictions) {
// Update mic mute state.
{
final boolean wasRestricted =
prevRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE);
final boolean isRestricted =
newRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE);
if (wasRestricted != isRestricted) {
setMicrophoneMuteNoCallerCheck(isRestricted, userId);
}
}
// Update speaker mute state.
{
final boolean wasRestricted =
prevRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)
|| prevRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_DEVICE);
final boolean isRestricted =
newRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)
|| newRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_DEVICE);
if (wasRestricted != isRestricted) {
setMasterMuteInternalNoCallerCheck(isRestricted, /* flags =*/ 0, userId);
}
}
}
} // end class AudioServiceUserRestrictionsListener
private void handleAudioEffectBroadcast(Context context, Intent intent) {
String target = intent.getPackage();
if (target != null) {
Log.w(TAG, "effect broadcast already targeted to " + target);
return;
}
intent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES);
// TODO this should target a user-selected panel
List<ResolveInfo> ril = context.getPackageManager().queryBroadcastReceivers(
intent, 0 /* flags */);
if (ril != null && ril.size() != 0) {
ResolveInfo ri = ril.get(0);
if (ri != null && ri.activityInfo != null && ri.activityInfo.packageName != null) {
intent.setPackage(ri.activityInfo.packageName);
context.sendBroadcastAsUser(intent, UserHandle.ALL);
return;
}
}
Log.w(TAG, "couldn't find receiver package for effect intent");
}
private void killBackgroundUserProcessesWithRecordAudioPermission(UserInfo oldUser) {
PackageManager pm = mContext.getPackageManager();
// Find the home activity of the user. It should not be killed to avoid expensive restart,
// when the user switches back. For managed profiles, we should kill all recording apps
ComponentName homeActivityName = null;
if (!oldUser.isManagedProfile()) {
homeActivityName = mActivityManagerInternal.getHomeActivityForUser(oldUser.id);
}
final String[] permissions = { Manifest.permission.RECORD_AUDIO };
List<PackageInfo> packages;
try {
packages = AppGlobals.getPackageManager()
.getPackagesHoldingPermissions(permissions, 0, oldUser.id).getList();
} catch (RemoteException e) {
throw new AndroidRuntimeException(e);
}
for (int j = packages.size() - 1; j >= 0; j--) {
PackageInfo pkg = packages.get(j);
// Skip system processes
if (UserHandle.getAppId(pkg.applicationInfo.uid) < FIRST_APPLICATION_UID) {
continue;
}
// Skip packages that have permission to interact across users
if (pm.checkPermission(Manifest.permission.INTERACT_ACROSS_USERS, pkg.packageName)
== PackageManager.PERMISSION_GRANTED) {
continue;
}
if (homeActivityName != null
&& pkg.packageName.equals(homeActivityName.getPackageName())
&& pkg.applicationInfo.isSystemApp()) {
continue;
}
try {
final int uid = pkg.applicationInfo.uid;
ActivityManager.getService().killUid(UserHandle.getAppId(uid),
UserHandle.getUserId(uid),
"killBackgroundUserProcessesWithAudioRecordPermission");
} catch (RemoteException e) {
Log.w(TAG, "Error calling killUid", e);
}
}
}
//==========================================================================================
// Audio Focus
//==========================================================================================
/**
* Returns whether a focus request is eligible to force ducking.
* Will return true if:
* - the AudioAttributes have a usage of USAGE_ASSISTANCE_ACCESSIBILITY,
* - the focus request is AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK,
* - the associated Bundle has KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING set to true,
* - the uid of the requester is a known accessibility service or root.
* @param aa AudioAttributes of the focus request
* @param uid uid of the focus requester
* @return true if ducking is to be forced
*/
private boolean forceFocusDuckingForAccessibility(@Nullable AudioAttributes aa,
int request, int uid) {
if (aa == null || aa.getUsage() != AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY
|| request != AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK) {
return false;
}
final Bundle extraInfo = aa.getBundle();
if (extraInfo == null ||
!extraInfo.getBoolean(AudioFocusRequest.KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING)) {
return false;
}
if (uid == 0) {
return true;
}
synchronized (mAccessibilityServiceUidsLock) {
if (mAccessibilityServiceUids != null) {
int callingUid = Binder.getCallingUid();
for (int i = 0; i < mAccessibilityServiceUids.length; i++) {
if (mAccessibilityServiceUids[i] == callingUid) {
return true;
}
}
}
}
return false;
}
public int requestAudioFocus(AudioAttributes aa, int durationHint, IBinder cb,
IAudioFocusDispatcher fd, String clientId, String callingPackageName, int flags,
IAudioPolicyCallback pcb, int sdk) {
// permission checks
if ((flags & AudioManager.AUDIOFOCUS_FLAG_LOCK) == AudioManager.AUDIOFOCUS_FLAG_LOCK) {
if (AudioSystem.IN_VOICE_COMM_FOCUS_ID.equals(clientId)) {
if (PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_PHONE_STATE)) {
Log.e(TAG, "Invalid permission to (un)lock audio focus", new Exception());
return AudioManager.AUDIOFOCUS_REQUEST_FAILED;
}
} else {
// only a registered audio policy can be used to lock focus
synchronized (mAudioPolicies) {
if (!mAudioPolicies.containsKey(pcb.asBinder())) {
Log.e(TAG, "Invalid unregistered AudioPolicy to (un)lock audio focus");
return AudioManager.AUDIOFOCUS_REQUEST_FAILED;
}
}
}
}
return mMediaFocusControl.requestAudioFocus(aa, durationHint, cb, fd,
clientId, callingPackageName, flags, sdk,
forceFocusDuckingForAccessibility(aa, durationHint, Binder.getCallingUid()));
}
public int abandonAudioFocus(IAudioFocusDispatcher fd, String clientId, AudioAttributes aa,
String callingPackageName) {
return mMediaFocusControl.abandonAudioFocus(fd, clientId, aa, callingPackageName);
}
public void unregisterAudioFocusClient(String clientId) {
mMediaFocusControl.unregisterAudioFocusClient(clientId);
}
public int getCurrentAudioFocus() {
return mMediaFocusControl.getCurrentAudioFocus();
}
public int getFocusRampTimeMs(int focusGain, AudioAttributes attr) {
return mMediaFocusControl.getFocusRampTimeMs(focusGain, attr);
}
//==========================================================================================
private boolean readCameraSoundForced() {
return SystemProperties.getBoolean("audio.camerasound.force", false) ||
mContext.getResources().getBoolean(
com.android.internal.R.bool.config_camera_sound_forced);
}
//==========================================================================================
// Device orientation
//==========================================================================================
/**
* Handles device configuration changes that may map to a change in rotation.
* Monitoring rotation is optional, and is defined by the definition and value
* of the "ro.audio.monitorRotation" system property.
*/
private void handleConfigurationChanged(Context context) {
try {
// reading new configuration "safely" (i.e. under try catch) in case anything
// goes wrong.
Configuration config = context.getResources().getConfiguration();
sendMsg(mAudioHandler,
MSG_CONFIGURE_SAFE_MEDIA_VOLUME,
SENDMSG_REPLACE,
0,
0,
TAG,
0);
boolean cameraSoundForced = readCameraSoundForced();
synchronized (mSettingsLock) {
final boolean cameraSoundForcedChanged = (cameraSoundForced != mCameraSoundForced);
mCameraSoundForced = cameraSoundForced;
if (cameraSoundForcedChanged) {
if (!mIsSingleVolume) {
synchronized (VolumeStreamState.class) {
VolumeStreamState s = mStreamStates[AudioSystem.STREAM_SYSTEM_ENFORCED];
if (cameraSoundForced) {
s.setAllIndexesToMax();
mRingerModeAffectedStreams &=
~(1 << AudioSystem.STREAM_SYSTEM_ENFORCED);
} else {
s.setAllIndexes(mStreamStates[AudioSystem.STREAM_SYSTEM], TAG);
mRingerModeAffectedStreams |=
(1 << AudioSystem.STREAM_SYSTEM_ENFORCED);
}
}
// take new state into account for streams muted by ringer mode
setRingerModeInt(getRingerModeInternal(), false);
}
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_SYSTEM,
cameraSoundForced ?
AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE,
new String("handleConfigurationChanged"),
0);
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
mStreamStates[AudioSystem.STREAM_SYSTEM_ENFORCED], 0);
}
}
mVolumeController.setLayoutDirection(config.getLayoutDirection());
} catch (Exception e) {
Log.e(TAG, "Error handling configuration change: ", e);
}
}
// Handles request to override default use of A2DP for media.
// Must be called synchronized on mConnectedDevices
public void setBluetoothA2dpOnInt(boolean on, String eventSource) {
synchronized (mBluetoothA2dpEnabledLock) {
mBluetoothA2dpEnabled = on;
mAudioHandler.removeMessages(MSG_SET_FORCE_BT_A2DP_USE);
setForceUseInt_SyncDevices(AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP,
eventSource);
}
}
// Must be called synchronized on mConnectedDevices
private void setForceUseInt_SyncDevices(int usage, int config, String eventSource) {
if (usage == AudioSystem.FOR_MEDIA) {
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
mForceUseLogger.log(new ForceUseEvent(usage, config, eventSource));
AudioSystem.setForceUse(usage, config);
}
@Override
public void setRingtonePlayer(IRingtonePlayer player) {
mContext.enforceCallingOrSelfPermission(REMOTE_AUDIO_PLAYBACK, null);
mRingtonePlayer = player;
}
@Override
public IRingtonePlayer getRingtonePlayer() {
return mRingtonePlayer;
}
@Override
public AudioRoutesInfo startWatchingRoutes(IAudioRoutesObserver observer) {
synchronized (mCurAudioRoutes) {
AudioRoutesInfo routes = new AudioRoutesInfo(mCurAudioRoutes);
mRoutesObservers.register(observer);
return routes;
}
}
//==========================================================================================
// Safe media volume management.
// MUSIC stream volume level is limited when headphones are connected according to safety
// regulation. When the user attempts to raise the volume above the limit, a warning is
// displayed and the user has to acknowlegde before the volume is actually changed.
// The volume index corresponding to the limit is stored in config_safe_media_volume_index
// property. Platforms with a different limit must set this property accordingly in their
// overlay.
//==========================================================================================
// mSafeMediaVolumeState indicates whether the media volume is limited over headphones.
// It is SAFE_MEDIA_VOLUME_NOT_CONFIGURED at boot time until a network service is connected
// or the configure time is elapsed. It is then set to SAFE_MEDIA_VOLUME_ACTIVE or
// SAFE_MEDIA_VOLUME_DISABLED according to country option. If not SAFE_MEDIA_VOLUME_DISABLED, it
// can be set to SAFE_MEDIA_VOLUME_INACTIVE by calling AudioService.disableSafeMediaVolume()
// (when user opts out).
private static final int SAFE_MEDIA_VOLUME_NOT_CONFIGURED = 0;
private static final int SAFE_MEDIA_VOLUME_DISABLED = 1;
private static final int SAFE_MEDIA_VOLUME_INACTIVE = 2; // confirmed
private static final int SAFE_MEDIA_VOLUME_ACTIVE = 3; // unconfirmed
private Integer mSafeMediaVolumeState;
private int mMcc = 0;
// mSafeMediaVolumeIndex is the cached value of config_safe_media_volume_index property
private int mSafeMediaVolumeIndex;
// mSafeUsbMediaVolumeDbfs is the cached value of the config_safe_media_volume_usb_mB
// property, divided by 100.0.
private float mSafeUsbMediaVolumeDbfs;
// mSafeUsbMediaVolumeIndex is used for USB Headsets and is the music volume UI index
// corresponding to a gain of mSafeUsbMediaVolumeDbfs (defaulting to -37dB) in audio
// flinger mixer.
// We remove -22 dBs from the theoretical -15dB to account for the EQ + bass boost
// amplification when both effects are on with all band gains at maximum.
// This level corresponds to a loudness of 85 dB SPL for the warning to be displayed when
// the headset is compliant to EN 60950 with a max loudness of 100dB SPL.
private int mSafeUsbMediaVolumeIndex;
// mSafeMediaVolumeDevices lists the devices for which safe media volume is enforced,
private final int mSafeMediaVolumeDevices = AudioSystem.DEVICE_OUT_WIRED_HEADSET |
AudioSystem.DEVICE_OUT_WIRED_HEADPHONE |
AudioSystem.DEVICE_OUT_USB_HEADSET;
// mMusicActiveMs is the cumulative time of music activity since safe volume was disabled.
// When this time reaches UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX, the safe media volume is re-enabled
// automatically. mMusicActiveMs is rounded to a multiple of MUSIC_ACTIVE_POLL_PERIOD_MS.
private int mMusicActiveMs;
private static final int UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX = (20 * 3600 * 1000); // 20 hours
private static final int MUSIC_ACTIVE_POLL_PERIOD_MS = 60000; // 1 minute polling interval
private static final int SAFE_VOLUME_CONFIGURE_TIMEOUT_MS = 30000; // 30s after boot completed
private int safeMediaVolumeIndex(int device) {
if ((device & mSafeMediaVolumeDevices) == 0) {
return MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC];
}
if (device == AudioSystem.DEVICE_OUT_USB_HEADSET) {
return mSafeUsbMediaVolumeIndex;
} else {
return mSafeMediaVolumeIndex;
}
}
private void setSafeMediaVolumeEnabled(boolean on, String caller) {
synchronized (mSafeMediaVolumeState) {
if ((mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_NOT_CONFIGURED) &&
(mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_DISABLED)) {
if (on && (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_INACTIVE)) {
mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE;
enforceSafeMediaVolume(caller);
} else if (!on && (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE)) {
mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_INACTIVE;
mMusicActiveMs = 1; // nonzero = confirmed
saveMusicActiveMs();
sendMsg(mAudioHandler,
MSG_CHECK_MUSIC_ACTIVE,
SENDMSG_REPLACE,
0,
0,
caller,
MUSIC_ACTIVE_POLL_PERIOD_MS);
}
}
}
}
private void enforceSafeMediaVolume(String caller) {
VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC];
int devices = mSafeMediaVolumeDevices;
int i = 0;
while (devices != 0) {
int device = 1 << i++;
if ((device & devices) == 0) {
continue;
}
int index = streamState.getIndex(device);
if (index > safeMediaVolumeIndex(device)) {
streamState.setIndex(safeMediaVolumeIndex(device), device, caller);
sendMsg(mAudioHandler,
MSG_SET_DEVICE_VOLUME,
SENDMSG_QUEUE,
device,
0,
streamState,
0);
}
devices &= ~device;
}
}
private boolean checkSafeMediaVolume(int streamType, int index, int device) {
synchronized (mSafeMediaVolumeState) {
if ((mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE) &&
(mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) &&
((device & mSafeMediaVolumeDevices) != 0) &&
(index > safeMediaVolumeIndex(device))) {
return false;
}
return true;
}
}
@Override
public void disableSafeMediaVolume(String callingPackage) {
enforceVolumeController("disable the safe media volume");
synchronized (mSafeMediaVolumeState) {
setSafeMediaVolumeEnabled(false, callingPackage);
if (mPendingVolumeCommand != null) {
onSetStreamVolume(mPendingVolumeCommand.mStreamType,
mPendingVolumeCommand.mIndex,
mPendingVolumeCommand.mFlags,
mPendingVolumeCommand.mDevice,
callingPackage);
mPendingVolumeCommand = null;
}
}
}
//==========================================================================================
// Hdmi Cec system audio mode.
// If Hdmi Cec's system audio mode is on, audio service should send the volume change
// to HdmiControlService so that the audio receiver can handle it.
//==========================================================================================
private class MyDisplayStatusCallback implements HdmiPlaybackClient.DisplayStatusCallback {
public void onComplete(int status) {
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
mHdmiCecSink = (status != HdmiControlManager.POWER_STATUS_UNKNOWN);
// Television devices without CEC service apply software volume on HDMI output
if (isPlatformTelevision() && !mHdmiCecSink) {
mFixedVolumeDevices &= ~AudioSystem.DEVICE_OUT_HDMI;
}
checkAllFixedVolumeDevices();
}
}
}
};
// If HDMI-CEC system audio is supported
private boolean mHdmiSystemAudioSupported = false;
// Set only when device is tv.
private HdmiTvClient mHdmiTvClient;
// true if the device has system feature PackageManager.FEATURE_LEANBACK.
// cached HdmiControlManager interface
private HdmiControlManager mHdmiManager;
// Set only when device is a set-top box.
private HdmiPlaybackClient mHdmiPlaybackClient;
// true if we are a set-top box, an HDMI sink is connected and it supports CEC.
private boolean mHdmiCecSink;
private MyDisplayStatusCallback mHdmiDisplayStatusCallback = new MyDisplayStatusCallback();
@Override
public int setHdmiSystemAudioSupported(boolean on) {
int device = AudioSystem.DEVICE_NONE;
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
if (mHdmiTvClient == null) {
Log.w(TAG, "Only Hdmi-Cec enabled TV device supports system audio mode.");
return device;
}
synchronized (mHdmiTvClient) {
if (mHdmiSystemAudioSupported != on) {
mHdmiSystemAudioSupported = on;
final int config = on ? AudioSystem.FORCE_HDMI_SYSTEM_AUDIO_ENFORCED :
AudioSystem.FORCE_NONE;
mForceUseLogger.log(new ForceUseEvent(AudioSystem.FOR_HDMI_SYSTEM_AUDIO,
config, "setHdmiSystemAudioSupported"));
AudioSystem.setForceUse(AudioSystem.FOR_HDMI_SYSTEM_AUDIO, config);
}
device = getDevicesForStream(AudioSystem.STREAM_MUSIC);
}
}
}
return device;
}
@Override
public boolean isHdmiSystemAudioSupported() {
return mHdmiSystemAudioSupported;
}
//==========================================================================================
// Accessibility
private void initA11yMonitoring() {
final AccessibilityManager accessibilityManager =
(AccessibilityManager) mContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
updateDefaultStreamOverrideDelay(accessibilityManager.isTouchExplorationEnabled());
updateA11yVolumeAlias(accessibilityManager.isAccessibilityVolumeStreamActive());
accessibilityManager.addTouchExplorationStateChangeListener(this, null);
accessibilityManager.addAccessibilityServicesStateChangeListener(this, null);
}
//---------------------------------------------------------------------------------
// A11y: taking touch exploration into account for selecting the default
// stream override timeout when adjusting volume
//---------------------------------------------------------------------------------
// - STREAM_NOTIFICATION on tablets during this period after a notification stopped
// - STREAM_RING on phones during this period after a notification stopped
// - STREAM_MUSIC otherwise
private static final int DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS = 0;
private static final int TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS = 1000;
private static int sStreamOverrideDelayMs;
@Override
public void onTouchExplorationStateChanged(boolean enabled) {
updateDefaultStreamOverrideDelay(enabled);
}
private void updateDefaultStreamOverrideDelay(boolean touchExploreEnabled) {
if (touchExploreEnabled) {
sStreamOverrideDelayMs = TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS;
} else {
sStreamOverrideDelayMs = DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS;
}
if (DEBUG_VOL) Log.d(TAG, "Touch exploration enabled=" + touchExploreEnabled
+ " stream override delay is now " + sStreamOverrideDelayMs + " ms");
}
//---------------------------------------------------------------------------------
// A11y: taking a11y state into account for the handling of a11y prompts volume
//---------------------------------------------------------------------------------
private static boolean sIndependentA11yVolume = false;
// implementation of AccessibilityServicesStateChangeListener
@Override
public void onAccessibilityServicesStateChanged(AccessibilityManager accessibilityManager) {
updateA11yVolumeAlias(accessibilityManager.isAccessibilityVolumeStreamActive());
}
private void updateA11yVolumeAlias(boolean a11VolEnabled) {
if (DEBUG_VOL) Log.d(TAG, "Accessibility volume enabled = " + a11VolEnabled);
if (sIndependentA11yVolume != a11VolEnabled) {
sIndependentA11yVolume = a11VolEnabled;
// update the volume mapping scheme
updateStreamVolumeAlias(true /*updateVolumes*/, TAG);
// update the volume controller behavior
mVolumeController.setA11yMode(sIndependentA11yVolume ?
VolumePolicy.A11Y_MODE_INDEPENDENT_A11Y_VOLUME :
VolumePolicy.A11Y_MODE_MEDIA_A11Y_VOLUME);
mVolumeController.postVolumeChanged(AudioManager.STREAM_ACCESSIBILITY, 0);
}
}
//==========================================================================================
// Camera shutter sound policy.
// config_camera_sound_forced configuration option in config.xml defines if the camera shutter
// sound is forced (sound even if the device is in silent mode) or not. This option is false by
// default and can be overridden by country specific overlay in values-mccXXX/config.xml.
//==========================================================================================
// cached value of com.android.internal.R.bool.config_camera_sound_forced
@GuardedBy("mSettingsLock")
private boolean mCameraSoundForced;
// called by android.hardware.Camera to populate CameraInfo.canDisableShutterSound
public boolean isCameraSoundForced() {
synchronized (mSettingsLock) {
return mCameraSoundForced;
}
}
//==========================================================================================
// AudioService logging and dumpsys
//==========================================================================================
final int LOG_NB_EVENTS_PHONE_STATE = 20;
final int LOG_NB_EVENTS_WIRED_DEV_CONNECTION = 30;
final int LOG_NB_EVENTS_FORCE_USE = 20;
final int LOG_NB_EVENTS_VOLUME = 40;
final int LOG_NB_EVENTS_DYN_POLICY = 10;
final private AudioEventLogger mModeLogger = new AudioEventLogger(LOG_NB_EVENTS_PHONE_STATE,
"phone state (logged after successfull call to AudioSystem.setPhoneState(int))");
final private AudioEventLogger mWiredDevLogger = new AudioEventLogger(
LOG_NB_EVENTS_WIRED_DEV_CONNECTION,
"wired device connection (logged before onSetWiredDeviceConnectionState() is executed)"
);
final private AudioEventLogger mForceUseLogger = new AudioEventLogger(
LOG_NB_EVENTS_FORCE_USE,
"force use (logged before setForceUse() is executed)");
final private AudioEventLogger mVolumeLogger = new AudioEventLogger(LOG_NB_EVENTS_VOLUME,
"volume changes (logged when command received by AudioService)");
final private AudioEventLogger mDynPolicyLogger = new AudioEventLogger(LOG_NB_EVENTS_DYN_POLICY,
"dynamic policy events (logged when command received by AudioService)");
private static final String[] RINGER_MODE_NAMES = new String[] {
"SILENT",
"VIBRATE",
"NORMAL"
};
private void dumpRingerMode(PrintWriter pw) {
pw.println("\nRinger mode: ");
pw.println("- mode (internal) = " + RINGER_MODE_NAMES[mRingerMode]);
pw.println("- mode (external) = " + RINGER_MODE_NAMES[mRingerModeExternal]);
dumpRingerModeStreams(pw, "affected", mRingerModeAffectedStreams);
dumpRingerModeStreams(pw, "muted", mRingerAndZenModeMutedStreams);
pw.print("- delegate = "); pw.println(mRingerModeDelegate);
}
private void dumpRingerModeStreams(PrintWriter pw, String type, int streams) {
pw.print("- ringer mode "); pw.print(type); pw.print(" streams = 0x");
pw.print(Integer.toHexString(streams));
if (streams != 0) {
pw.print(" (");
boolean first = true;
for (int i = 0; i < AudioSystem.STREAM_NAMES.length; i++) {
final int stream = (1 << i);
if ((streams & stream) != 0) {
if (!first) pw.print(',');
pw.print(AudioSystem.STREAM_NAMES[i]);
streams &= ~stream;
first = false;
}
}
if (streams != 0) {
if (!first) pw.print(',');
pw.print(streams);
}
pw.print(')');
}
pw.println();
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
mMediaFocusControl.dump(pw);
dumpStreamStates(pw);
dumpRingerMode(pw);
pw.println("\nAudio routes:");
pw.print(" mMainType=0x"); pw.println(Integer.toHexString(mCurAudioRoutes.mainType));
pw.print(" mBluetoothName="); pw.println(mCurAudioRoutes.bluetoothName);
pw.println("\nOther state:");
pw.print(" mVolumeController="); pw.println(mVolumeController);
pw.print(" mSafeMediaVolumeState=");
pw.println(safeMediaVolumeStateToString(mSafeMediaVolumeState));
pw.print(" mSafeMediaVolumeIndex="); pw.println(mSafeMediaVolumeIndex);
pw.print(" mSafeUsbMediaVolumeIndex="); pw.println(mSafeUsbMediaVolumeIndex);
pw.print(" mSafeUsbMediaVolumeDbfs="); pw.println(mSafeUsbMediaVolumeDbfs);
pw.print(" sIndependentA11yVolume="); pw.println(sIndependentA11yVolume);
pw.print(" mPendingVolumeCommand="); pw.println(mPendingVolumeCommand);
pw.print(" mMusicActiveMs="); pw.println(mMusicActiveMs);
pw.print(" mMcc="); pw.println(mMcc);
pw.print(" mCameraSoundForced="); pw.println(mCameraSoundForced);
pw.print(" mHasVibrator="); pw.println(mHasVibrator);
pw.print(" mVolumePolicy="); pw.println(mVolumePolicy);
pw.print(" mAvrcpAbsVolSupported="); pw.println(mAvrcpAbsVolSupported);
dumpAudioPolicies(pw);
mDynPolicyLogger.dump(pw);
mPlaybackMonitor.dump(pw);
mRecordMonitor.dump(pw);
pw.println("\n");
pw.println("\nEvent logs:");
mModeLogger.dump(pw);
pw.println("\n");
mWiredDevLogger.dump(pw);
pw.println("\n");
mForceUseLogger.dump(pw);
pw.println("\n");
mVolumeLogger.dump(pw);
}
private static String safeMediaVolumeStateToString(Integer state) {
switch(state) {
case SAFE_MEDIA_VOLUME_NOT_CONFIGURED: return "SAFE_MEDIA_VOLUME_NOT_CONFIGURED";
case SAFE_MEDIA_VOLUME_DISABLED: return "SAFE_MEDIA_VOLUME_DISABLED";
case SAFE_MEDIA_VOLUME_INACTIVE: return "SAFE_MEDIA_VOLUME_INACTIVE";
case SAFE_MEDIA_VOLUME_ACTIVE: return "SAFE_MEDIA_VOLUME_ACTIVE";
}
return null;
}
// Inform AudioFlinger of our device's low RAM attribute
private static void readAndSetLowRamDevice()
{
boolean isLowRamDevice = ActivityManager.isLowRamDeviceStatic();
long totalMemory = 1024 * 1024 * 1024; // 1GB is the default if ActivityManager fails.
try {
final ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo();
ActivityManager.getService().getMemoryInfo(info);
totalMemory = info.totalMem;
} catch (RemoteException e) {
Log.w(TAG, "Cannot obtain MemoryInfo from ActivityManager, assume low memory device");
isLowRamDevice = true;
}
final int status = AudioSystem.setLowRamDevice(isLowRamDevice, totalMemory);
if (status != 0) {
Log.w(TAG, "AudioFlinger informed of device's low RAM attribute; status " + status);
}
}
private void enforceVolumeController(String action) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE,
"Only SystemUI can " + action);
}
@Override
public void setVolumeController(final IVolumeController controller) {
enforceVolumeController("set the volume controller");
// return early if things are not actually changing
if (mVolumeController.isSameBinder(controller)) {
return;
}
// dismiss the old volume controller
mVolumeController.postDismiss();
if (controller != null) {
// we are about to register a new controller, listen for its death
try {
controller.asBinder().linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
if (mVolumeController.isSameBinder(controller)) {
Log.w(TAG, "Current remote volume controller died, unregistering");
setVolumeController(null);
}
}
}, 0);
} catch (RemoteException e) {
// noop
}
}
mVolumeController.setController(controller);
if (DEBUG_VOL) Log.d(TAG, "Volume controller: " + mVolumeController);
}
@Override
public void notifyVolumeControllerVisible(final IVolumeController controller, boolean visible) {
enforceVolumeController("notify about volume controller visibility");
// return early if the controller is not current
if (!mVolumeController.isSameBinder(controller)) {
return;
}
mVolumeController.setVisible(visible);
if (DEBUG_VOL) Log.d(TAG, "Volume controller visible: " + visible);
}
@Override
public void setVolumePolicy(VolumePolicy policy) {
enforceVolumeController("set volume policy");
if (policy != null && !policy.equals(mVolumePolicy)) {
mVolumePolicy = policy;
if (DEBUG_VOL) Log.d(TAG, "Volume policy changed: " + mVolumePolicy);
}
}
public static class VolumeController {
private static final String TAG = "VolumeController";
private IVolumeController mController;
private boolean mVisible;
private long mNextLongPress;
private int mLongPressTimeout;
public void setController(IVolumeController controller) {
mController = controller;
mVisible = false;
}
public void loadSettings(ContentResolver cr) {
mLongPressTimeout = Settings.Secure.getIntForUser(cr,
Settings.Secure.LONG_PRESS_TIMEOUT, 500, UserHandle.USER_CURRENT);
}
public boolean suppressAdjustment(int resolvedStream, int flags, boolean isMute) {
if (isMute) {
return false;
}
boolean suppress = false;
if (resolvedStream == DEFAULT_VOL_STREAM_NO_PLAYBACK && mController != null) {
final long now = SystemClock.uptimeMillis();
if ((flags & AudioManager.FLAG_SHOW_UI) != 0 && !mVisible) {
// ui will become visible
if (mNextLongPress < now) {
mNextLongPress = now + mLongPressTimeout;
}
suppress = true;
} else if (mNextLongPress > 0) { // in a long-press
if (now > mNextLongPress) {
// long press triggered, no more suppression
mNextLongPress = 0;
} else {
// keep suppressing until the long press triggers
suppress = true;
}
}
}
return suppress;
}
public void setVisible(boolean visible) {
mVisible = visible;
}
public boolean isSameBinder(IVolumeController controller) {
return Objects.equals(asBinder(), binder(controller));
}
public IBinder asBinder() {
return binder(mController);
}
private static IBinder binder(IVolumeController controller) {
return controller == null ? null : controller.asBinder();
}
@Override
public String toString() {
return "VolumeController(" + asBinder() + ",mVisible=" + mVisible + ")";
}
public void postDisplaySafeVolumeWarning(int flags) {
if (mController == null)
return;
try {
mController.displaySafeVolumeWarning(flags);
} catch (RemoteException e) {
Log.w(TAG, "Error calling displaySafeVolumeWarning", e);
}
}
public void postVolumeChanged(int streamType, int flags) {
if (mController == null)
return;
try {
mController.volumeChanged(streamType, flags);
} catch (RemoteException e) {
Log.w(TAG, "Error calling volumeChanged", e);
}
}
public void postMasterMuteChanged(int flags) {
if (mController == null)
return;
try {
mController.masterMuteChanged(flags);
} catch (RemoteException e) {
Log.w(TAG, "Error calling masterMuteChanged", e);
}
}
public void setLayoutDirection(int layoutDirection) {
if (mController == null)
return;
try {
mController.setLayoutDirection(layoutDirection);
} catch (RemoteException e) {
Log.w(TAG, "Error calling setLayoutDirection", e);
}
}
public void postDismiss() {
if (mController == null)
return;
try {
mController.dismiss();
} catch (RemoteException e) {
Log.w(TAG, "Error calling dismiss", e);
}
}
public void setA11yMode(int a11yMode) {
if (mController == null)
return;
try {
mController.setA11yMode(a11yMode);
} catch (RemoteException e) {
Log.w(TAG, "Error calling setA11Mode", e);
}
}
}
/**
* Interface for system components to get some extra functionality through
* LocalServices.
*/
final class AudioServiceInternal extends AudioManagerInternal {
@Override
public void setRingerModeDelegate(RingerModeDelegate delegate) {
mRingerModeDelegate = delegate;
if (mRingerModeDelegate != null) {
synchronized (mSettingsLock) {
updateRingerAndZenModeAffectedStreams();
}
setRingerModeInternal(getRingerModeInternal(), TAG + ".setRingerModeDelegate");
}
}
@Override
public void adjustSuggestedStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid) {
// direction and stream type swap here because the public
// adjustSuggested has a different order than the other methods.
adjustSuggestedStreamVolume(direction, streamType, flags, callingPackage,
callingPackage, uid);
}
@Override
public void adjustStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid) {
adjustStreamVolume(streamType, direction, flags, callingPackage,
callingPackage, uid);
}
@Override
public void setStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid) {
setStreamVolume(streamType, direction, flags, callingPackage, callingPackage, uid);
}
@Override
public int getRingerModeInternal() {
return AudioService.this.getRingerModeInternal();
}
@Override
public void setRingerModeInternal(int ringerMode, String caller) {
AudioService.this.setRingerModeInternal(ringerMode, caller);
}
@Override
public void silenceRingerModeInternal(String caller) {
AudioService.this.silenceRingerModeInternal(caller);
}
@Override
public void updateRingerModeAffectedStreamsInternal() {
synchronized (mSettingsLock) {
if (updateRingerAndZenModeAffectedStreams()) {
setRingerModeInt(getRingerModeInternal(), false);
}
}
}
@Override
public void setAccessibilityServiceUids(IntArray uids) {
synchronized (mAccessibilityServiceUidsLock) {
if (uids.size() == 0) {
mAccessibilityServiceUids = null;
} else {
boolean changed = (mAccessibilityServiceUids == null)
|| (mAccessibilityServiceUids.length != uids.size());
if (!changed) {
for (int i = 0; i < mAccessibilityServiceUids.length; i++) {
if (uids.get(i) != mAccessibilityServiceUids[i]) {
changed = true;
break;
}
}
}
if (changed) {
mAccessibilityServiceUids = uids.toArray();
}
}
}
}
}
//==========================================================================================
// Audio policy management
//==========================================================================================
public String registerAudioPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb,
boolean hasFocusListener, boolean isFocusPolicy, boolean isVolumeController) {
AudioSystem.setDynamicPolicyCallback(mDynPolicyCallback);
String regId = null;
// error handling
boolean hasPermissionForPolicy =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
if (!hasPermissionForPolicy) {
Slog.w(TAG, "Can't register audio policy for pid " + Binder.getCallingPid() + " / uid "
+ Binder.getCallingUid() + ", need MODIFY_AUDIO_ROUTING");
return null;
}
mDynPolicyLogger.log((new AudioEventLogger.StringEvent("registerAudioPolicy for "
+ pcb.asBinder() + " with config:" + policyConfig)).printLog(TAG));
synchronized (mAudioPolicies) {
try {
if (mAudioPolicies.containsKey(pcb.asBinder())) {
Slog.e(TAG, "Cannot re-register policy");
return null;
}
AudioPolicyProxy app = new AudioPolicyProxy(policyConfig, pcb, hasFocusListener,
isFocusPolicy, isVolumeController);
pcb.asBinder().linkToDeath(app, 0/*flags*/);
regId = app.getRegistrationId();
mAudioPolicies.put(pcb.asBinder(), app);
} catch (RemoteException e) {
// audio policy owner has already died!
Slog.w(TAG, "Audio policy registration failed, could not link to " + pcb +
" binder death", e);
return null;
}
}
return regId;
}
public void unregisterAudioPolicyAsync(IAudioPolicyCallback pcb) {
mDynPolicyLogger.log((new AudioEventLogger.StringEvent("unregisterAudioPolicyAsync for "
+ pcb.asBinder()).printLog(TAG)));
synchronized (mAudioPolicies) {
AudioPolicyProxy app = mAudioPolicies.remove(pcb.asBinder());
if (app == null) {
Slog.w(TAG, "Trying to unregister unknown audio policy for pid "
+ Binder.getCallingPid() + " / uid " + Binder.getCallingUid());
return;
} else {
pcb.asBinder().unlinkToDeath(app, 0/*flags*/);
}
app.release();
}
// TODO implement clearing mix attribute matching info in native audio policy
}
/**
* Checks whether caller has MODIFY_AUDIO_ROUTING permission, and the policy is registered.
* @param errorMsg log warning if permission check failed.
* @return null if the operation on the audio mixes should be cancelled.
*/
@GuardedBy("mAudioPolicies")
private AudioPolicyProxy checkUpdateForPolicy(IAudioPolicyCallback pcb, String errorMsg) {
// permission check
final boolean hasPermissionForPolicy =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
if (!hasPermissionForPolicy) {
Slog.w(TAG, errorMsg + " for pid " +
+ Binder.getCallingPid() + " / uid "
+ Binder.getCallingUid() + ", need MODIFY_AUDIO_ROUTING");
return null;
}
// policy registered?
final AudioPolicyProxy app = mAudioPolicies.get(pcb.asBinder());
if (app == null) {
Slog.w(TAG, errorMsg + " for pid " +
+ Binder.getCallingPid() + " / uid "
+ Binder.getCallingUid() + ", unregistered policy");
return null;
}
return app;
}
public int addMixForPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb) {
if (DEBUG_AP) { Log.d(TAG, "addMixForPolicy for " + pcb.asBinder()
+ " with config:" + policyConfig); }
synchronized (mAudioPolicies) {
final AudioPolicyProxy app =
checkUpdateForPolicy(pcb, "Cannot add AudioMix in audio policy");
if (app == null){
return AudioManager.ERROR;
}
app.addMixes(policyConfig.getMixes());
}
return AudioManager.SUCCESS;
}
public int removeMixForPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb) {
if (DEBUG_AP) { Log.d(TAG, "removeMixForPolicy for " + pcb.asBinder()
+ " with config:" + policyConfig); }
synchronized (mAudioPolicies) {
final AudioPolicyProxy app =
checkUpdateForPolicy(pcb, "Cannot add AudioMix in audio policy");
if (app == null) {
return AudioManager.ERROR;
}
app.removeMixes(policyConfig.getMixes());
}
return AudioManager.SUCCESS;
}
public int setFocusPropertiesForPolicy(int duckingBehavior, IAudioPolicyCallback pcb) {
if (DEBUG_AP) Log.d(TAG, "setFocusPropertiesForPolicy() duck behavior=" + duckingBehavior
+ " policy " + pcb.asBinder());
synchronized (mAudioPolicies) {
final AudioPolicyProxy app =
checkUpdateForPolicy(pcb, "Cannot change audio policy focus properties");
if (app == null){
return AudioManager.ERROR;
}
if (!mAudioPolicies.containsKey(pcb.asBinder())) {
Slog.e(TAG, "Cannot change audio policy focus properties, unregistered policy");
return AudioManager.ERROR;
}
if (duckingBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) {
// is there already one policy managing ducking?
for (AudioPolicyProxy policy : mAudioPolicies.values()) {
if (policy.mFocusDuckBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) {
Slog.e(TAG, "Cannot change audio policy ducking behavior, already handled");
return AudioManager.ERROR;
}
}
}
app.mFocusDuckBehavior = duckingBehavior;
mMediaFocusControl.setDuckingInExtPolicyAvailable(
duckingBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY);
}
return AudioManager.SUCCESS;
}
private final Object mExtVolumeControllerLock = new Object();
private IAudioPolicyCallback mExtVolumeController;
private void setExtVolumeController(IAudioPolicyCallback apc) {
if (!mContext.getResources().getBoolean(
com.android.internal.R.bool.config_handleVolumeKeysInWindowManager)) {
Log.e(TAG, "Cannot set external volume controller: device not set for volume keys" +
" handled in PhoneWindowManager");
return;
}
synchronized (mExtVolumeControllerLock) {
if (mExtVolumeController != null && !mExtVolumeController.asBinder().pingBinder()) {
Log.e(TAG, "Cannot set external volume controller: existing controller");
}
mExtVolumeController = apc;
}
}
private void dumpAudioPolicies(PrintWriter pw) {
pw.println("\nAudio policies:");
synchronized (mAudioPolicies) {
for (AudioPolicyProxy policy : mAudioPolicies.values()) {
pw.println(policy.toLogFriendlyString());
}
}
}
//======================
// Audio policy callbacks from AudioSystem for dynamic policies
//======================
private final AudioSystem.DynamicPolicyCallback mDynPolicyCallback =
new AudioSystem.DynamicPolicyCallback() {
public void onDynamicPolicyMixStateUpdate(String regId, int state) {
if (!TextUtils.isEmpty(regId)) {
sendMsg(mAudioHandler, MSG_DYN_POLICY_MIX_STATE_UPDATE, SENDMSG_QUEUE,
state /*arg1*/, 0 /*arg2 ignored*/, regId /*obj*/, 0 /*delay*/);
}
}
};
private void onDynPolicyMixStateUpdate(String regId, int state) {
if (DEBUG_AP) Log.d(TAG, "onDynamicPolicyMixStateUpdate("+ regId + ", " + state +")");
synchronized (mAudioPolicies) {
for (AudioPolicyProxy policy : mAudioPolicies.values()) {
for (AudioMix mix : policy.getMixes()) {
if (mix.getRegistration().equals(regId)) {
try {
policy.mPolicyCallback.notifyMixStateUpdate(regId, state);
} catch (RemoteException e) {
Log.e(TAG, "Can't call notifyMixStateUpdate() on IAudioPolicyCallback "
+ policy.mPolicyCallback.asBinder(), e);
}
return;
}
}
}
}
}
//======================
// Audio policy callbacks from AudioSystem for recording configuration updates
//======================
private final RecordingActivityMonitor mRecordMonitor;
public void registerRecordingCallback(IRecordingConfigDispatcher rcdb) {
final boolean isPrivileged =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
mRecordMonitor.registerRecordingCallback(rcdb, isPrivileged);
}
public void unregisterRecordingCallback(IRecordingConfigDispatcher rcdb) {
mRecordMonitor.unregisterRecordingCallback(rcdb);
}
public List<AudioRecordingConfiguration> getActiveRecordingConfigurations() {
final boolean isPrivileged =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
return mRecordMonitor.getActiveRecordingConfigurations(isPrivileged);
}
public void disableRingtoneSync(final int userId) {
final int callingUserId = UserHandle.getCallingUserId();
if (callingUserId != userId) {
mContext.enforceCallingOrSelfPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL,
"disable sound settings syncing for another profile");
}
final long token = Binder.clearCallingIdentity();
try {
// Disable the sync setting so the profile uses its own sound settings.
Settings.Secure.putIntForUser(mContentResolver, Settings.Secure.SYNC_PARENT_SOUNDS,
0 /* false */, userId);
} finally {
Binder.restoreCallingIdentity(token);
}
}
//======================
// Audio playback notification
//======================
private final PlaybackActivityMonitor mPlaybackMonitor;
public void registerPlaybackCallback(IPlaybackConfigDispatcher pcdb) {
final boolean isPrivileged =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
mPlaybackMonitor.registerPlaybackCallback(pcdb, isPrivileged);
}
public void unregisterPlaybackCallback(IPlaybackConfigDispatcher pcdb) {
mPlaybackMonitor.unregisterPlaybackCallback(pcdb);
}
public List<AudioPlaybackConfiguration> getActivePlaybackConfigurations() {
final boolean isPrivileged =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
return mPlaybackMonitor.getActivePlaybackConfigurations(isPrivileged);
}
public int trackPlayer(PlayerBase.PlayerIdCard pic) {
return mPlaybackMonitor.trackPlayer(pic);
}
public void playerAttributes(int piid, AudioAttributes attr) {
mPlaybackMonitor.playerAttributes(piid, attr, Binder.getCallingUid());
}
public void playerEvent(int piid, int event) {
mPlaybackMonitor.playerEvent(piid, event, Binder.getCallingUid());
}
public void playerHasOpPlayAudio(int piid, boolean hasOpPlayAudio) {
mPlaybackMonitor.playerHasOpPlayAudio(piid, hasOpPlayAudio, Binder.getCallingUid());
}
public void releasePlayer(int piid) {
mPlaybackMonitor.releasePlayer(piid, Binder.getCallingUid());
}
//======================
// Audio policy proxy
//======================
/**
* This internal class inherits from AudioPolicyConfig, each instance contains all the
* mixes of an AudioPolicy and their configurations.
*/
public class AudioPolicyProxy extends AudioPolicyConfig implements IBinder.DeathRecipient {
private static final String TAG = "AudioPolicyProxy";
final IAudioPolicyCallback mPolicyCallback;
final boolean mHasFocusListener;
final boolean mIsVolumeController;
/**
* Audio focus ducking behavior for an audio policy.
* This variable reflects the value that was successfully set in
* {@link AudioService#setFocusPropertiesForPolicy(int, IAudioPolicyCallback)}. This
* implies that a value of FOCUS_POLICY_DUCKING_IN_POLICY means the corresponding policy
* is handling ducking for audio focus.
*/
int mFocusDuckBehavior = AudioPolicy.FOCUS_POLICY_DUCKING_DEFAULT;
boolean mIsFocusPolicy = false;
AudioPolicyProxy(AudioPolicyConfig config, IAudioPolicyCallback token,
boolean hasFocusListener, boolean isFocusPolicy, boolean isVolumeController) {
super(config);
setRegistration(new String(config.hashCode() + ":ap:" + mAudioPolicyCounter++));
mPolicyCallback = token;
mHasFocusListener = hasFocusListener;
mIsVolumeController = isVolumeController;
if (mHasFocusListener) {
mMediaFocusControl.addFocusFollower(mPolicyCallback);
// can only ever be true if there is a focus listener
if (isFocusPolicy) {
mIsFocusPolicy = true;
mMediaFocusControl.setFocusPolicy(mPolicyCallback);
}
}
if (mIsVolumeController) {
setExtVolumeController(mPolicyCallback);
}
connectMixes();
}
public void binderDied() {
synchronized (mAudioPolicies) {
Log.i(TAG, "audio policy " + mPolicyCallback + " died");
release();
mAudioPolicies.remove(mPolicyCallback.asBinder());
}
if (mIsVolumeController) {
synchronized (mExtVolumeControllerLock) {
mExtVolumeController = null;
}
}
}
String getRegistrationId() {
return getRegistration();
}
void release() {
if (mIsFocusPolicy) {
mMediaFocusControl.unsetFocusPolicy(mPolicyCallback);
}
if (mFocusDuckBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) {
mMediaFocusControl.setDuckingInExtPolicyAvailable(false);
}
if (mHasFocusListener) {
mMediaFocusControl.removeFocusFollower(mPolicyCallback);
}
final long identity = Binder.clearCallingIdentity();
AudioSystem.registerPolicyMixes(mMixes, false);
Binder.restoreCallingIdentity(identity);
}
boolean hasMixAffectingUsage(int usage) {
for (AudioMix mix : mMixes) {
if (mix.isAffectingUsage(usage)) {
return true;
}
}
return false;
}
void addMixes(@NonNull ArrayList<AudioMix> mixes) {
// TODO optimize to not have to unregister the mixes already in place
synchronized (mMixes) {
AudioSystem.registerPolicyMixes(mMixes, false);
this.add(mixes);
AudioSystem.registerPolicyMixes(mMixes, true);
}
}
void removeMixes(@NonNull ArrayList<AudioMix> mixes) {
// TODO optimize to not have to unregister the mixes already in place
synchronized (mMixes) {
AudioSystem.registerPolicyMixes(mMixes, false);
this.remove(mixes);
AudioSystem.registerPolicyMixes(mMixes, true);
}
}
void connectMixes() {
final long identity = Binder.clearCallingIdentity();
AudioSystem.registerPolicyMixes(mMixes, true);
Binder.restoreCallingIdentity(identity);
}
};
//======================
// Audio policy: focus
//======================
/** */
public int dispatchFocusChange(AudioFocusInfo afi, int focusChange, IAudioPolicyCallback pcb) {
if (afi == null) {
throw new IllegalArgumentException("Illegal null AudioFocusInfo");
}
if (pcb == null) {
throw new IllegalArgumentException("Illegal null AudioPolicy callback");
}
synchronized (mAudioPolicies) {
if (!mAudioPolicies.containsKey(pcb.asBinder())) {
throw new IllegalStateException("Unregistered AudioPolicy for focus dispatch");
}
return mMediaFocusControl.dispatchFocusChange(afi, focusChange);
}
}
public void setFocusRequestResultFromExtPolicy(AudioFocusInfo afi, int requestResult,
IAudioPolicyCallback pcb) {
if (afi == null) {
throw new IllegalArgumentException("Illegal null AudioFocusInfo");
}
if (pcb == null) {
throw new IllegalArgumentException("Illegal null AudioPolicy callback");
}
synchronized (mAudioPolicies) {
if (!mAudioPolicies.containsKey(pcb.asBinder())) {
throw new IllegalStateException("Unregistered AudioPolicy for external focus");
}
mMediaFocusControl.setFocusRequestResultFromExtPolicy(afi, requestResult);
}
}
//======================
// Audioserver state displatch
//======================
private class AsdProxy implements IBinder.DeathRecipient {
private final IAudioServerStateDispatcher mAsd;
AsdProxy(IAudioServerStateDispatcher asd) {
mAsd = asd;
}
public void binderDied() {
synchronized (mAudioServerStateListeners) {
mAudioServerStateListeners.remove(mAsd.asBinder());
}
}
IAudioServerStateDispatcher callback() {
return mAsd;
}
}
private HashMap<IBinder, AsdProxy> mAudioServerStateListeners =
new HashMap<IBinder, AsdProxy>();
private void checkMonitorAudioServerStatePermission() {
if (!(mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_PHONE_STATE) ==
PackageManager.PERMISSION_GRANTED ||
mContext.checkCallingOrSelfPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING) ==
PackageManager.PERMISSION_GRANTED)) {
throw new SecurityException("Not allowed to monitor audioserver state");
}
}
public void registerAudioServerStateDispatcher(IAudioServerStateDispatcher asd) {
checkMonitorAudioServerStatePermission();
synchronized (mAudioServerStateListeners) {
if (mAudioServerStateListeners.containsKey(asd.asBinder())) {
Slog.w(TAG, "Cannot re-register audio server state dispatcher");
return;
}
AsdProxy asdp = new AsdProxy(asd);
try {
asd.asBinder().linkToDeath(asdp, 0/*flags*/);
} catch (RemoteException e) {
}
mAudioServerStateListeners.put(asd.asBinder(), asdp);
}
}
public void unregisterAudioServerStateDispatcher(IAudioServerStateDispatcher asd) {
checkMonitorAudioServerStatePermission();
synchronized (mAudioServerStateListeners) {
AsdProxy asdp = mAudioServerStateListeners.remove(asd.asBinder());
if (asdp == null) {
Slog.w(TAG, "Trying to unregister unknown audioserver state dispatcher for pid "
+ Binder.getCallingPid() + " / uid " + Binder.getCallingUid());
return;
} else {
asd.asBinder().unlinkToDeath(asdp, 0/*flags*/);
}
}
}
public boolean isAudioServerRunning() {
checkMonitorAudioServerStatePermission();
return (AudioSystem.checkAudioFlinger() == AudioSystem.AUDIO_STATUS_OK);
}
//======================
// misc
//======================
private final HashMap<IBinder, AudioPolicyProxy> mAudioPolicies =
new HashMap<IBinder, AudioPolicyProxy>();
@GuardedBy("mAudioPolicies")
private int mAudioPolicyCounter = 0;
}