/*
* 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 android.media;
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 android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.app.AppOpsManager;
import android.app.KeyguardManager;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothClass;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
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.PackageManager;
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.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
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.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.Vibrator;
import android.provider.Settings;
import android.provider.Settings.System;
import android.telecom.TelecomManager;
import android.text.TextUtils;
import android.util.Log;
import android.util.MathUtils;
import android.util.Slog;
import android.view.KeyEvent;
import android.view.OrientationEventListener;
import android.view.Surface;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityManager;
import com.android.internal.util.XmlUtils;
import com.android.server.LocalServices;
import org.xmlpull.v1.XmlPullParserException;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* 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 {
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 media session apis */
private static final boolean DEBUG_SESSIONS = Log.isLoggable(TAG + ".SESSIONS", Log.DEBUG);
/** Allow volume changes to set ringer mode to silent? */
private static final boolean VOLUME_SETS_RINGER_MODE_SILENT = false;
/** In silent mode, are volume adjustments (raises) prevented? */
private static final boolean PREVENT_VOLUME_ADJUSTMENT_IF_SILENT = true;
/** How long to delay before persisting a change in volume/ringer mode. */
private static final int PERSIST_DELAY = 500;
/**
* The delay before playing a sound. This small period exists so the user
* can press another key (non-volume keys, too) to have it NOT be audible.
* <p>
* PhoneWindow will implement this part.
*/
public static final int PLAY_SOUND_DELAY = 300;
/**
* 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 has no specific capabilities
private static final int PLATFORM_DEFAULT = 0;
// the platform is voice call capable (a phone)
private static final int PLATFORM_VOICE = 1;
// the platform is a television or a set-top box
private static final int PLATFORM_TELEVISION = 2;
// the platform type affects volume and silent mode behavior
private final int mPlatformType;
private boolean isPlatformVoice() {
return mPlatformType == PLATFORM_VOICE;
}
private boolean isPlatformTelevision() {
return mPlatformType == PLATFORM_TELEVISION;
}
/** 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_MASTER_VOLUME = 2;
private static final int MSG_PERSIST_RINGER_MODE = 3;
private static final int MSG_MEDIA_SERVER_DIED = 4;
private static final int MSG_PLAY_SOUND_EFFECT = 5;
private static final int MSG_BTA2DP_DOCK_TIMEOUT = 6;
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_PERSIST_MASTER_VOLUME_MUTE = 11;
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_PERSIST_MICROPHONE_MUTE = 23;
// 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;
// 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;
/** @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;
// Internally master volume is a float in the 0.0 - 1.0 range,
// but to support integer based AudioManager API we translate it to 0 - 100
private static final int MAX_MASTER_VOLUME = 100;
// Maximum volume adjust steps allowed in a single batch call.
private static final int MAX_BATCH_VOLUME_ADJUST_STEPS = 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];
/** @hide Maximum volume index values for audio streams */
private 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
};
private static int[] DEFAULT_STREAM_VOLUME = new int[] {
4, // STREAM_VOICE_CALL
7, // STREAM_SYSTEM
5, // STREAM_RING
11, // STREAM_MUSIC
6, // STREAM_ALARM
5, // STREAM_NOTIFICATION
7, // STREAM_BLUETOOTH_SCO
7, // STREAM_SYSTEM_ENFORCED
11, // STREAM_DTMF
11 // STREAM_TTS
};
/* 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
};
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
};
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
};
private int[] mStreamVolumeAlias;
/**
* Map AudioSystem.STREAM_* constants to app ops. This should be used
* after mapping through mStreamVolumeAlias.
*/
private static final int[] STEAM_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
};
private final boolean mUseFixedVolume;
// stream names used by dumpStreamStates()
private static final String[] STREAM_NAMES = new String[] {
"STREAM_VOICE_CALL",
"STREAM_SYSTEM",
"STREAM_RING",
"STREAM_MUSIC",
"STREAM_ALARM",
"STREAM_NOTIFICATION",
"STREAM_BLUETOOTH_SCO",
"STREAM_SYSTEM_ENFORCED",
"STREAM_DTMF",
"STREAM_TTS"
};
private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() {
public void onError(int error) {
switch (error) {
case AudioSystem.AUDIO_STATUS_SERVER_DIED:
sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED,
SENDMSG_NOOP, 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}.
*/
// protected by mSettingsLock
private int mRingerMode; // internal ringer mode, affects muting of underlying streams
private int mRingerModeExternal = -1; // reported ringer mode to outside clients (AudioManager)
/** @see System#MODE_RINGER_STREAMS_AFFECTED */
private int mRingerModeAffectedStreams = 0;
// Streams currently muted by ringer mode
private int mRingerModeMutedStreams;
/** @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;
// Broadcast receiver for device connections intent broadcasts
private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver();
// Devices currently connected
private final HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>();
// Forced device usage for communications
private int mForcedUseForComm;
// True if we have master volume support
private final boolean mUseMasterVolume;
private final int[] mMasterVolumeRamp;
// 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 = 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;
// Deactivation request for all SCO connections (initiated by audio mode change)
// waiting for headset service to connect
private static final int SCO_STATE_DEACTIVATE_EXT_REQ = 4;
// 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;
// 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;
// Keyguard manager proxy
private KeyguardManager mKeyguardManager;
// mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume
// is controlled by Vol keys.
private int mVolumeControlStream = -1;
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;
private int mDeviceOrientation = Configuration.ORIENTATION_UNDEFINED;
private int mDeviceRotation = Surface.ROTATION_0;
// 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;
// TODO merge orientation and rotation
private final boolean mMonitorOrientation;
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 AbsoluteVolume.
private BluetoothA2dp mA2dp;
private final Object mA2dpAvrcpLock = new Object();
// If absolute volume is supported in AVRCP device
private boolean mAvrcpAbsVolSupported = false;
private AudioOrientationEventListener mOrientationListener;
private static Long mLastDeviceConnectMsgTime = new Long(0);
private AudioManagerInternal.RingerModeDelegate mRingerModeDelegate;
///////////////////////////////////////////////////////////////////////////
// Construction
///////////////////////////////////////////////////////////////////////////
/** @hide */
public AudioService(Context context) {
mContext = context;
mContentResolver = context.getContentResolver();
mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
if (mContext.getResources().getBoolean(
com.android.internal.R.bool.config_voice_capable)) {
mPlatformType = PLATFORM_VOICE;
} else if (context.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_LEANBACK)) {
mPlatformType = PLATFORM_TELEVISION;
} else {
mPlatformType = PLATFORM_DEFAULT;
}
PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
mAudioEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleAudioEvent");
Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
mHasVibrator = vibrator == null ? false : vibrator.hasVibrator();
// Intialized volume
int maxVolume = SystemProperties.getInt("ro.config.vc_call_vol_steps",
MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]);
if (maxVolume != MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = maxVolume;
DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = (maxVolume * 3) / 4;
}
maxVolume = SystemProperties.getInt("ro.config.media_vol_steps",
MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]);
if (maxVolume != MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]) {
MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = maxVolume;
DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = (maxVolume * 3) / 4;
}
sSoundEffectVolumeDb = context.getResources().getInteger(
com.android.internal.R.integer.config_soundEffectVolumeDb);
mForcedUseForComm = AudioSystem.FORCE_NONE;
createAudioSystemThread();
mMediaFocusControl = new MediaFocusControl(mAudioHandler.getLooper(),
mContext, mVolumeController, this);
AudioSystem.setErrorCallback(mAudioSystemCallback);
boolean cameraSoundForced = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_camera_sound_forced);
mCameraSoundForced = new Boolean(cameraSoundForced);
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_SYSTEM,
cameraSoundForced ?
AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE,
null,
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);
mUseMasterVolume = context.getResources().getBoolean(
com.android.internal.R.bool.config_useMasterVolume);
mMasterVolumeRamp = context.getResources().getIntArray(
com.android.internal.R.array.config_masterVolumeRamp);
// must be called before readPersistedSettings() which needs a valid mStreamVolumeAlias[]
// array initialized by updateStreamVolumeAlias()
updateStreamVolumeAlias(false /*updateVolumes*/);
readPersistedSettings();
mSettingsObserver = new SettingsObserver();
createStreamStates();
readAndSetLowRamDevice();
// Call setRingerModeInt() to apply correct mute
// state on streams affected by ringer mode.
mRingerModeMutedStreams = 0;
setRingerModeInt(getRingerModeInternal(), false);
// Register for device connection intent broadcasts.
IntentFilter intentFilter =
new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED);
intentFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED);
intentFilter.addAction(Intent.ACTION_DOCK_EVENT);
intentFilter.addAction(AudioManager.ACTION_USB_AUDIO_ACCESSORY_PLUG);
intentFilter.addAction(AudioManager.ACTION_USB_AUDIO_DEVICE_PLUG);
intentFilter.addAction(Intent.ACTION_SCREEN_ON);
intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
intentFilter.addAction(Intent.ACTION_USER_SWITCHED);
intentFilter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
intentFilter.addAction(Intent.ACTION_CONFIGURATION_CHANGED);
// TODO merge orientation and rotation
mMonitorOrientation = SystemProperties.getBoolean("ro.audio.monitorOrientation", false);
if (mMonitorOrientation) {
Log.v(TAG, "monitoring device orientation");
// initialize orientation in AudioSystem
setOrientationForAudioSystem();
}
mMonitorRotation = SystemProperties.getBoolean("ro.audio.monitorRotation", false);
if (mMonitorRotation) {
mDeviceRotation = ((WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay().getRotation();
Log.v(TAG, "monitoring device rotation, initial=" + mDeviceRotation);
mOrientationListener = new AudioOrientationEventListener(mContext);
mOrientationListener.enable();
// initialize rotation in AudioSystem
setRotationForAudioSystem();
}
context.registerReceiver(mReceiver, intentFilter);
restoreMasterVolume();
LocalServices.addService(AudioManagerInternal.class, new AudioServiceInternal());
}
public void systemReady() {
sendMsg(mAudioHandler, MSG_SYSTEM_READY, SENDMSG_QUEUE,
0, 0, null, 0);
}
public void onSystemReady() {
mSystemReady = true;
sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE,
0, 0, null, 0);
mKeyguardManager =
(KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
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);
}
mHdmiManager =
(HdmiControlManager) mContext.getSystemService(Context.HDMI_CONTROL_SERVICE);
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
mHdmiTvClient = mHdmiManager.getTvClient();
if (mHdmiTvClient != null) {
mFixedVolumeDevices &= ~AudioSystem.DEVICE_ALL_HDMI_SYSTEM_AUDIO_AND_SPEAKER;
}
mHdmiPlaybackClient = mHdmiManager.getPlaybackClient();
mHdmiCecSink = false;
}
}
sendMsg(mAudioHandler,
MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED,
SENDMSG_REPLACE,
0,
0,
null,
SAFE_VOLUME_CONFIGURE_TIMEOUT_MS);
StreamOverride.init(mContext);
}
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 (VolumeStreamState.class) {
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = 0; streamType < numStreamTypes; streamType++) {
if (streamType != mStreamVolumeAlias[streamType]) {
mStreamStates[streamType].
setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]]);
}
// apply stream volume
if (!mStreamStates[streamType].isMuted_syncVSS()) {
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 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[mStreamVolumeAlias[i]], i);
}
checkAllFixedVolumeDevices();
checkAllAliasStreamVolumes();
}
private void dumpStreamStates(PrintWriter pw) {
pw.println("\nStream volumes (device: index)");
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int i = 0; i < numStreamTypes; i++) {
pw.println("- "+STREAM_NAMES[i]+":");
mStreamStates[i].dump(pw);
pw.println("");
}
pw.print("\n- mute affected streams = 0x");
pw.println(Integer.toHexString(mMuteAffectedStreams));
}
/** @hide */
public static String streamToString(int stream) {
if (stream >= 0 && stream < STREAM_NAMES.length) return STREAM_NAMES[stream];
if (stream == AudioManager.USE_DEFAULT_STREAM_TYPE) return "USE_DEFAULT_STREAM_TYPE";
return "UNKNOWN_STREAM_" + stream;
}
private void updateStreamVolumeAlias(boolean updateVolumes) {
int dtmfStreamAlias;
switch (mPlatformType) {
case PLATFORM_VOICE:
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_VOICE;
dtmfStreamAlias = AudioSystem.STREAM_RING;
break;
case PLATFORM_TELEVISION:
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_TELEVISION;
dtmfStreamAlias = AudioSystem.STREAM_MUSIC;
break;
default:
mStreamVolumeAlias = STREAM_VOLUME_ALIAS_DEFAULT;
dtmfStreamAlias = AudioSystem.STREAM_MUSIC;
}
if (isPlatformTelevision()) {
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;
if (updateVolumes) {
mStreamStates[AudioSystem.STREAM_DTMF].setAllIndexes(mStreamStates[dtmfStreamAlias]);
// 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);
}
}
private void readDockAudioSettings(ContentResolver cr)
{
mDockAudioMediaEnabled = Settings.Global.getInt(
cr, Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, 0) == 1;
if (mDockAudioMediaEnabled) {
mBecomingNoisyIntentDevices |= AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET;
} else {
mBecomingNoisyIntentDevices &= ~AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET;
}
sendMsg(mAudioHandler,
MSG_SET_FORCE_USE,
SENDMSG_QUEUE,
AudioSystem.FOR_DOCK,
mDockAudioMediaEnabled ?
AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE,
null,
0);
}
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 || isPlatformTelevision()) {
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 = getValueForVibrateSetting(0,
AudioManager.VIBRATE_TYPE_NOTIFICATION,
mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT
: AudioManager.VIBRATE_SETTING_OFF);
mVibrateSetting = getValueForVibrateSetting(mVibrateSetting,
AudioManager.VIBRATE_TYPE_RINGER,
mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT
: AudioManager.VIBRATE_SETTING_OFF);
updateRingerModeAffectedStreams();
readDockAudioSettings(cr);
}
mMuteAffectedStreams = System.getIntForUser(cr,
System.MUTE_STREAMS_AFFECTED,
((1 << AudioSystem.STREAM_MUSIC)|
(1 << AudioSystem.STREAM_RING)|
(1 << AudioSystem.STREAM_SYSTEM)),
UserHandle.USER_CURRENT);
boolean masterMute = System.getIntForUser(cr, System.VOLUME_MASTER_MUTE,
0, UserHandle.USER_CURRENT) == 1;
if (mUseFixedVolume) {
masterMute = false;
AudioSystem.setMasterVolume(1.0f);
}
AudioSystem.setMasterMute(masterMute);
broadcastMasterMuteStatus(masterMute);
boolean microphoneMute =
System.getIntForUser(cr, System.MICROPHONE_MUTE, 0, UserHandle.USER_CURRENT) == 1;
AudioSystem.muteMicrophone(microphoneMute);
// 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 int rescaleIndex(int index, int srcStream, int dstStream) {
return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex();
}
private class AudioOrientationEventListener
extends OrientationEventListener {
public AudioOrientationEventListener(Context context) {
super(context);
}
@Override
public void onOrientationChanged(int orientation) {
//Even though we're responding to phone orientation events,
//use display rotation so audio stays in sync with video/dialogs
int newRotation = ((WindowManager) mContext.getSystemService(
Context.WINDOW_SERVICE)).getDefaultDisplay().getRotation();
if (newRotation != mDeviceRotation) {
mDeviceRotation = newRotation;
setRotationForAudioSystem();
}
}
}
///////////////////////////////////////////////////////////////////////////
// IPC methods
///////////////////////////////////////////////////////////////////////////
/** @see AudioManager#adjustVolume(int, int) */
public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage) {
adjustSuggestedStreamVolume(direction, suggestedStreamType, flags, callingPackage,
Binder.getCallingUid());
}
private void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage, int uid) {
if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream="+suggestedStreamType
+ ", flags=" + flags);
int streamType;
if (mVolumeControlStream != -1) {
streamType = mVolumeControlStream;
} else {
streamType = getActiveStreamType(suggestedStreamType);
}
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
if (mVolumeController.suppressAdjustment(resolvedStream, flags)) {
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, uid);
}
/** @see AudioManager#adjustStreamVolume(int, int, int) */
public void adjustStreamVolume(int streamType, int direction, int flags,
String callingPackage) {
adjustStreamVolume(streamType, direction, flags, callingPackage, Binder.getCallingUid());
}
private void adjustStreamVolume(int streamType, int direction, int flags,
String callingPackage, int uid) {
if (mUseFixedVolume) {
return;
}
if (DEBUG_VOL) Log.d(TAG, "adjustStreamVolume() stream="+streamType+", dir="+direction
+ ", flags="+flags);
ensureValidDirection(direction);
ensureValidStreamType(streamType);
// 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 (mAppOps.noteOp(STEAM_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 = mSafeMediaVolumeIndex;
} 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 == getMasterStreamType())) {
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 changes with this volume adjustment. If
// it does, it will handle adjusting the volume, so we won't below
final int result = checkForRingerModeChange(aliasIndex, direction, step);
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;
}
}
int oldIndex = mStreamStates[streamType].getIndex(device);
if (adjustVolume && (direction != AudioManager.ADJUST_SAME)) {
// 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.adjustAvrcpAbsoluteVolume(direction);
}
}
}
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)) {
// Post message to set system volume (it in turn will post a message
// to persist). Do not change volume if stream is muted.
sendMsg(mAudioHandler,
MSG_SET_DEVICE_VOLUME,
SENDMSG_QUEUE,
device,
0,
streamState,
0);
}
// Check if volume update should be send to Hdmi system audio.
int newIndex = mStreamStates[streamType].getIndex(device);
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;
mHdmiPlaybackClient.sendKeyEvent(keyCode, true);
mHdmiPlaybackClient.sendKeyEvent(keyCode, false);
}
}
}
}
}
int index = mStreamStates[streamType].getIndex(device);
sendVolumeUpdate(streamType, oldIndex, 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 + 5) / 10, (newVolume + 5) / 10, maxVolume);
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
}
/** @see AudioManager#adjustMasterVolume(int, int) */
public void adjustMasterVolume(int steps, int flags, String callingPackage) {
adjustMasterVolume(steps, flags, callingPackage, Binder.getCallingUid());
}
public void adjustMasterVolume(int steps, int flags, String callingPackage, int uid) {
if (mUseFixedVolume) {
return;
}
ensureValidSteps(steps);
int volume = Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME);
int delta = 0;
int numSteps = Math.abs(steps);
int direction = steps > 0 ? AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER;
for (int i = 0; i < numSteps; ++i) {
delta = findVolumeDelta(direction, volume);
volume += delta;
}
//Log.d(TAG, "adjustMasterVolume volume: " + volume + " steps: " + steps);
setMasterVolume(volume, flags, callingPackage, uid);
}
// 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 void onSetStreamVolume(int streamType, int index, int flags, int device) {
setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, false);
// setting volume on master stream type also controls silent mode
if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
(mStreamVolumeAlias[streamType] == getMasterStreamType())) {
int newRingerMode;
if (index == 0) {
newRingerMode = mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE
: VOLUME_SETS_RINGER_MODE_SILENT ? AudioManager.RINGER_MODE_SILENT
: AudioManager.RINGER_MODE_NORMAL;
} else {
newRingerMode = AudioManager.RINGER_MODE_NORMAL;
}
setRingerMode(newRingerMode, TAG + ".onSetStreamVolume", false /*external*/);
}
}
/** @see AudioManager#setStreamVolume(int, int, int) */
public void setStreamVolume(int streamType, int index, int flags, String callingPackage) {
setStreamVolume(streamType, index, flags, callingPackage, Binder.getCallingUid());
}
private void setStreamVolume(int streamType, int index, int flags, String callingPackage,
int uid) {
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 (mAppOps.noteOp(STEAM_VOLUME_OPS[streamTypeAlias], uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
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 (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 = mSafeMediaVolumeIndex;
} 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);
index = mStreamStates[streamType].getIndex(device);
}
}
sendVolumeUpdate(streamType, oldIndex, index, flags);
}
/** @see AudioManager#forceVolumeControlStream(int) */
public void forceVolumeControlStream(int streamType, IBinder cb) {
synchronized(mForceControlStreamLock) {
mVolumeControlStream = streamType;
if (mVolumeControlStream == -1) {
if (mForceControlStreamClient != null) {
mForceControlStreamClient.release();
mForceControlStreamClient = null;
}
} else {
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;
}
}
}
public void release() {
if (mCb != null) {
mCb.unlinkToDeath(this, 0);
mCb = null;
}
}
}
private int findVolumeDelta(int direction, int volume) {
int delta = 0;
if (direction == AudioManager.ADJUST_RAISE) {
if (volume == MAX_MASTER_VOLUME) {
return 0;
}
// This is the default value if we make it to the end
delta = mMasterVolumeRamp[1];
// If we're raising the volume move down the ramp array until we
// find the volume we're above and use that groups delta.
for (int i = mMasterVolumeRamp.length - 1; i > 1; i -= 2) {
if (volume >= mMasterVolumeRamp[i - 1]) {
delta = mMasterVolumeRamp[i];
break;
}
}
} else if (direction == AudioManager.ADJUST_LOWER){
if (volume == 0) {
return 0;
}
int length = mMasterVolumeRamp.length;
// This is the default value if we make it to the end
delta = -mMasterVolumeRamp[length - 1];
// If we're lowering the volume move up the ramp array until we
// find the volume we're below and use the group below it's delta
for (int i = 2; i < length; i += 2) {
if (volume <= mMasterVolumeRamp[i]) {
delta = -mMasterVolumeRamp[i - 1];
break;
}
}
}
return delta;
}
private void sendBroadcastToAll(Intent intent) {
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
final long ident = Binder.clearCallingIdentity();
try {
mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private void sendStickyBroadcastToAll(Intent intent) {
final long ident = Binder.clearCallingIdentity();
try {
mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
// UI update and Broadcast Intent
private void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags) {
if (!isPlatformVoice() && (streamType == AudioSystem.STREAM_RING)) {
streamType = AudioSystem.STREAM_NOTIFICATION;
}
if (streamType == AudioSystem.STREAM_MUSIC) {
flags = updateFlagsForSystemAudio(flags);
}
mVolumeController.postVolumeChanged(streamType, flags);
if ((flags & AudioManager.FLAG_FIXED_VOLUME) == 0) {
oldIndex = (oldIndex + 5) / 10;
index = (index + 5) / 10;
Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType);
intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index);
intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex);
sendBroadcastToAll(intent);
}
}
// 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 sendMasterVolumeUpdate(int flags, int oldVolume, int newVolume) {
mVolumeController.postMasterVolumeChanged(updateFlagsForSystemAudio(flags));
Intent intent = new Intent(AudioManager.MASTER_VOLUME_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_PREV_MASTER_VOLUME_VALUE, oldVolume);
intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_VALUE, newVolume);
sendBroadcastToAll(intent);
}
// 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) {
VolumeStreamState streamState = mStreamStates[streamType];
if (streamState.setIndex(index, device) || 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);
}
}
/** @see AudioManager#setStreamSolo(int, boolean) */
public void setStreamSolo(int streamType, boolean state, IBinder cb) {
if (mUseFixedVolume) {
return;
}
int streamAlias = mStreamVolumeAlias[streamType];
for (int stream = 0; stream < mStreamStates.length; stream++) {
if (!isStreamAffectedByMute(streamAlias) || streamAlias == mStreamVolumeAlias[stream]) {
continue;
}
mStreamStates[stream].mute(cb, state);
}
}
/** @see AudioManager#setStreamMute(int, boolean) */
public void setStreamMute(int streamType, boolean state, IBinder cb) {
if (mUseFixedVolume) {
return;
}
if (streamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
streamType = getActiveStreamType(streamType);
}
int streamAlias = mStreamVolumeAlias[streamType];
if (isStreamAffectedByMute(streamAlias)) {
if (streamAlias == AudioSystem.STREAM_MUSIC) {
setSystemAudioMute(state);
}
for (int stream = 0; stream < mStreamStates.length; stream++) {
if (streamAlias == mStreamVolumeAlias[stream]) {
mStreamStates[stream].mute(cb, state);
Intent intent = new Intent(AudioManager.STREAM_MUTE_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, stream);
intent.putExtra(AudioManager.EXTRA_STREAM_VOLUME_MUTED, state);
sendBroadcastToAll(intent);
}
}
}
}
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) {
return mStreamStates[streamType].isMuted_syncVSS();
}
}
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();
}
}
}
/** @see AudioManager#setMasterMute(boolean, int) */
public void setMasterMute(boolean state, int flags, String callingPackage, IBinder cb) {
setMasterMuteInternal(state, flags, callingPackage, cb, Binder.getCallingUid());
}
private void setMasterMuteInternal(boolean state, int flags, String callingPackage, IBinder cb,
int uid) {
if (mUseFixedVolume) {
return;
}
if (mAppOps.noteOp(AppOpsManager.OP_AUDIO_MASTER_VOLUME, uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
if (state != AudioSystem.getMasterMute()) {
setSystemAudioMute(state);
AudioSystem.setMasterMute(state);
// Post a persist master volume msg
sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME_MUTE, SENDMSG_REPLACE, state ? 1
: 0, UserHandle.getCallingUserId(), null, PERSIST_DELAY);
sendMasterMuteUpdate(state, flags);
Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION);
intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, state);
sendBroadcastToAll(intent);
}
}
/** get master mute state. */
public boolean isMasterMute() {
return AudioSystem.getMasterMute();
}
protected static int getMaxStreamVolume(int streamType) {
return MAX_STREAM_VOLUME[streamType];
}
public static int getDefaultStreamVolume(int streamType) {
return DEFAULT_STREAM_VOLUME[streamType];
}
/** @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].isMuted_syncVSS()) {
index = 0;
}
if (index != 0 && (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) &&
(device & mFixedVolumeDevices) != 0) {
index = mStreamStates[streamType].getMaxIndex();
}
return (index + 5) / 10;
}
}
@Override
public int getMasterVolume() {
if (isMasterMute()) return 0;
return getLastAudibleMasterVolume();
}
@Override
public void setMasterVolume(int volume, int flags, String callingPackage) {
setMasterVolume(volume, flags, callingPackage, Binder.getCallingUid());
}
public void setMasterVolume(int volume, int flags, String callingPackage, int uid) {
if (mUseFixedVolume) {
return;
}
if (mAppOps.noteOp(AppOpsManager.OP_AUDIO_MASTER_VOLUME, uid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return;
}
if (volume < 0) {
volume = 0;
} else if (volume > MAX_MASTER_VOLUME) {
volume = MAX_MASTER_VOLUME;
}
doSetMasterVolume((float)volume / MAX_MASTER_VOLUME, flags);
}
private void doSetMasterVolume(float volume, int flags) {
// don't allow changing master volume when muted
if (!AudioSystem.getMasterMute()) {
int oldVolume = getMasterVolume();
AudioSystem.setMasterVolume(volume);
int newVolume = getMasterVolume();
if (newVolume != oldVolume) {
// Post a persist master volume msg
sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME, SENDMSG_REPLACE,
Math.round(volume * (float)1000.0), 0, null, PERSIST_DELAY);
setSystemAudioVolume(oldVolume, newVolume, getMasterMaxVolume(), flags);
}
// Send the volume update regardless whether there was a change.
sendMasterVolumeUpdate(flags, oldVolume, newVolume);
}
}
/** @see AudioManager#getStreamMaxVolume(int) */
public int getStreamMaxVolume(int streamType) {
ensureValidStreamType(streamType);
return (mStreamStates[streamType].getMaxIndex() + 5) / 10;
}
public int getMasterMaxVolume() {
return MAX_MASTER_VOLUME;
}
/** 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;
}
/** Get last audible master volume before it was muted. */
public int getLastAudibleMasterVolume() {
return Math.round(AudioSystem.getMasterVolume() * MAX_MASTER_VOLUME);
}
/** @see AudioManager#getMasterStreamType() */
public int getMasterStreamType() {
return mStreamVolumeAlias[AudioSystem.STREAM_SYSTEM];
}
/** @see AudioManager#setMicrophoneMute(boolean) */
public void setMicrophoneMute(boolean on, String callingPackage) {
if (mAppOps.noteOp(AppOpsManager.OP_MUTE_MICROPHONE, Binder.getCallingUid(),
callingPackage) != AppOpsManager.MODE_ALLOWED) {
return;
}
if (!checkAudioSettingsPermission("setMicrophoneMute()")) {
return;
}
AudioSystem.muteMicrophone(on);
// Post a persist microphone msg.
sendMsg(mAudioHandler, MSG_PERSIST_MICROPHONE_MUTE, SENDMSG_REPLACE, on ? 1
: 0, UserHandle.getCallingUserId(), null, PERSIST_DELAY);
}
@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) {
setRingerMode(ringerMode, caller, true /*external*/);
}
public void setRingerModeInternal(int ringerMode, String caller) {
enforceSelfOrSystemUI("setRingerModeInternal");
setRingerMode(ringerMode, caller, false /*external*/);
}
private void setRingerMode(int ringerMode, String caller, boolean external) {
if (mUseFixedVolume || isPlatformTelevision()) {
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);
}
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);
}
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);
}
private void setRingerModeInt(int ringerMode, boolean persist) {
final boolean change;
synchronized(mSettingsLock) {
change = mRingerMode != ringerMode;
mRingerMode = ringerMode;
}
// Mute stream if not previously muted by ringer mode and ringer mode
// is not RINGER_MODE_NORMAL and stream is affected by ringer mode.
// Unmute stream if previously muted by ringer mode and ringer mode
// is RINGER_MODE_NORMAL or stream is not affected by ringer mode.
int numStreamTypes = AudioSystem.getNumStreamTypes();
final boolean ringerModeMute = ringerMode == AudioManager.RINGER_MODE_VIBRATE
|| ringerMode == AudioManager.RINGER_MODE_SILENT;
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
final boolean isMuted = isStreamMutedByRingerMode(streamType);
final boolean shouldMute = ringerModeMute && isStreamAffectedByRingerMode(streamType);
if (isMuted == shouldMute) continue;
if (!shouldMute) {
// unmute
// ring and notifications volume should never be 0 when not silenced
// on voice capable devices or devices that support vibration
if ((isPlatformVoice() || mHasVibrator) &&
mStreamVolumeAlias[streamType] == AudioSystem.STREAM_RING) {
synchronized (VolumeStreamState.class) {
Set set = mStreamStates[streamType].mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
if ((Integer)entry.getValue() == 0) {
entry.setValue(10);
}
}
}
}
mStreamStates[streamType].mute(null, false);
mRingerModeMutedStreams &= ~(1 << streamType);
} else {
// mute
mStreamStates[streamType].mute(null, true);
mRingerModeMutedStreams |= (1 << streamType);
}
}
// 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);
}
}
private void restoreMasterVolume() {
if (mUseFixedVolume) {
AudioSystem.setMasterVolume(1.0f);
return;
}
if (mUseMasterVolume) {
float volume = Settings.System.getFloatForUser(mContentResolver,
Settings.System.VOLUME_MASTER, -1.0f, UserHandle.USER_CURRENT);
if (volume >= 0.0f) {
AudioSystem.setMasterVolume(volume);
}
}
}
/** @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 = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting);
// Broadcast change
broadcastVibrateSetting(vibrateType);
}
/**
* @see #setVibrateSetting(int, int)
*/
public static int getValueForVibrateSetting(int existingValue, int vibrateType,
int vibrateSetting) {
// First clear the existing setting. Each vibrate type has two bits in
// the value. Note '3' is '11' in binary.
existingValue &= ~(3 << (vibrateType * 2));
// Set into the old value
existingValue |= (vibrateSetting & 3) << (vibrateType * 2);
return existingValue;
}
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 newModeOwnerPid = 0;
synchronized(mSetModeDeathHandlers) {
Log.w(TAG, "setMode() client died");
int index = mSetModeDeathHandlers.indexOf(this);
if (index < 0) {
Log.w(TAG, "unregistered setMode() client died");
} else {
newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid);
}
}
// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
// SCO connections not started by the application changing the mode
if (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) {
if (DEBUG_MODE) { Log.v(TAG, "setMode(mode=" + mode + ")"); }
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 newModeOwnerPid = 0;
synchronized(mSetModeDeathHandlers) {
if (mode == AudioSystem.MODE_CURRENT) {
mode = mMode;
}
newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid());
}
// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
// SCO connections not started by the application changing the mode
if (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) {
if (DEBUG_MODE) { Log.v(TAG, "setModeInt(mode=" + mode + ", pid=" + pid + ")"); }
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;
do {
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();
mode = 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 (mode != mMode) {
status = AudioSystem.setPhoneState(mode);
if (status == AudioSystem.AUDIO_STATUS_OK) {
if (DEBUG_MODE) { Log.v(TAG, " mode successfully set to " + mode); }
mMode = mode;
} 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 (mode != 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();
}
}
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);
updateStreamVolumeAlias(true /*updateVolumes*/);
}
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) {
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();
// 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.isMuted_syncVSS() && ((!isStreamAffectedByMute(streamType) &&
!isStreamMutedByRingerMode(streamType)) || mUseFixedVolume)) {
int size = streamState.mDeathHandlers.size();
for (int i = 0; i < size; i++) {
streamState.mDeathHandlers.get(i).mMuteCount = 1;
streamState.mDeathHandlers.get(i).mute_syncVSS(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();
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();
}
}
}
/** @see AudioManager#setSpeakerphoneOn(boolean) */
public void setSpeakerphoneOn(boolean on){
if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) {
return;
}
if (on) {
if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_RECORD, AudioSystem.FORCE_NONE, null, 0);
}
mForcedUseForComm = AudioSystem.FORCE_SPEAKER;
} else if (mForcedUseForComm == AudioSystem.FORCE_SPEAKER){
mForcedUseForComm = AudioSystem.FORCE_NONE;
}
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0);
}
/** @see AudioManager#isSpeakerphoneOn() */
public boolean isSpeakerphoneOn() {
return (mForcedUseForComm == AudioSystem.FORCE_SPEAKER);
}
/** @see AudioManager#setBluetoothScoOn(boolean) */
public void setBluetoothScoOn(boolean on){
if (!checkAudioSettingsPermission("setBluetoothScoOn()")) {
return;
}
if (on) {
mForcedUseForComm = AudioSystem.FORCE_BT_SCO;
} else if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
mForcedUseForComm = AudioSystem.FORCE_NONE;
}
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, null, 0);
sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE,
AudioSystem.FOR_RECORD, mForcedUseForComm, null, 0);
}
/** @see AudioManager#isBluetoothScoOn() */
public boolean isBluetoothScoOn() {
return (mForcedUseForComm == AudioSystem.FORCE_BT_SCO);
}
/** @see AudioManager#setBluetoothA2dpOn(boolean) */
public void setBluetoothA2dpOn(boolean on) {
synchronized (mBluetoothA2dpEnabledLock) {
mBluetoothA2dpEnabled = on;
sendMsg(mAudioHandler, MSG_SET_FORCE_BT_A2DP_USE, SENDMSG_QUEUE,
AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP,
null, 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;
int size = mScoClients.size();
for (int i = 0; i < size; i++) {
count += mScoClients.get(i).getCount();
}
return count;
}
}
private void requestScoState(int state, int scoAudioMode) {
checkScoAudioState();
if (totalCount() == 0) {
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) {
if ((mSetModeDeathHandlers.isEmpty() ||
mSetModeDeathHandlers.get(0).getPid() == mCreatorPid) &&
(mScoAudioState == SCO_STATE_INACTIVE ||
mScoAudioState == SCO_STATE_DEACTIVATE_REQ)) {
if (mScoAudioState == SCO_STATE_INACTIVE) {
mScoAudioMode = scoAudioMode;
if (scoAudioMode == SCO_MODE_UNDEFINED) {
if (mBluetoothHeadsetDevice != null) {
mScoAudioMode = new Integer(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;
}
} else {
mScoAudioMode = SCO_MODE_RAW;
}
}
if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) {
boolean status = false;
if (mScoAudioMode == SCO_MODE_RAW) {
status = mBluetoothHeadset.connectAudio();
} else if (mScoAudioMode == SCO_MODE_VIRTUAL_CALL) {
status = mBluetoothHeadset.startScoUsingVirtualVoiceCall(
mBluetoothHeadsetDevice);
} else if (mScoAudioMode == SCO_MODE_VR) {
status = mBluetoothHeadset.startVoiceRecognition(
mBluetoothHeadsetDevice);
}
if (status) {
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
} else {
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
} else if (getBluetoothHeadset()) {
mScoAudioState = SCO_STATE_ACTIVATE_REQ;
}
} else {
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED);
}
} else {
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
}
} else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED &&
(mScoAudioState == SCO_STATE_ACTIVE_INTERNAL ||
mScoAudioState == SCO_STATE_ACTIVATE_REQ)) {
if (mScoAudioState == SCO_STATE_ACTIVE_INTERNAL) {
if (mBluetoothHeadset != null && mBluetoothHeadsetDevice != null) {
boolean status = false;
if (mScoAudioMode == SCO_MODE_RAW) {
status = mBluetoothHeadset.disconnectAudio();
} else if (mScoAudioMode == SCO_MODE_VIRTUAL_CALL) {
status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall(
mBluetoothHeadsetDevice);
} else if (mScoAudioMode == SCO_MODE_VR) {
status = mBluetoothHeadset.stopVoiceRecognition(
mBluetoothHeadsetDevice);
}
if (!status) {
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(
AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
} else if (getBluetoothHeadset()) {
mScoAudioState = SCO_STATE_DEACTIVATE_REQ;
}
} else {
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
}
}
}
}
private void checkScoAudioState() {
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) {
ScoClient client = null;
int size = mScoClients.size();
for (int i = 0; i < size; i++) {
client = mScoClients.get(i);
if (client.getBinder() == cb)
return client;
}
if (create) {
client = new ScoClient(cb);
mScoClients.add(client);
}
return client;
}
}
public void clearAllScoClients(int exceptPid, boolean stopSco) {
synchronized(mScoClients) {
ScoClient savedClient = null;
int size = mScoClients.size();
for (int i = 0; i < size; i++) {
ScoClient cl = mScoClients.get(i);
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;
}
private void disconnectBluetoothSco(int exceptPid) {
synchronized(mScoClients) {
checkScoAudioState();
if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL ||
mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) {
if (mBluetoothHeadsetDevice != null) {
if (mBluetoothHeadset != null) {
if (!mBluetoothHeadset.stopVoiceRecognition(
mBluetoothHeadsetDevice)) {
sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED,
SENDMSG_REPLACE, 0, 0, null, 0);
}
} else if (mScoAudioState == SCO_STATE_ACTIVE_EXTERNAL &&
getBluetoothHeadset()) {
mScoAudioState = SCO_STATE_DEACTIVATE_EXT_REQ;
}
}
} else {
clearAllScoClients(exceptPid, true);
}
}
}
private void resetBluetoothSco() {
synchronized(mScoClients) {
clearAllScoClients(0, false);
mScoAudioState = SCO_STATE_INACTIVE;
broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
}
}
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 BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
new BluetoothProfile.ServiceListener() {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
BluetoothDevice btDevice;
List<BluetoothDevice> deviceList;
switch(profile) {
case BluetoothProfile.A2DP:
synchronized (mA2dpAvrcpLock) {
mA2dp = (BluetoothA2dp) proxy;
deviceList = mA2dp.getConnectedDevices();
if (deviceList.size() > 0) {
btDevice = deviceList.get(0);
synchronized (mConnectedDevices) {
int state = mA2dp.getConnectionState(btDevice);
int delay = checkSendBecomingNoisyIntent(
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
(state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_A2DP_SINK_CONNECTION_STATE,
state,
0,
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,
btDevice,
0 /* delay */);
}
}
break;
case BluetoothProfile.HEADSET:
synchronized (mScoClients) {
// Discard timeout message
mAudioHandler.removeMessages(MSG_BT_HEADSET_CNCT_FAILED);
mBluetoothHeadset = (BluetoothHeadset) proxy;
deviceList = mBluetoothHeadset.getConnectedDevices();
if (deviceList.size() > 0) {
mBluetoothHeadsetDevice = deviceList.get(0);
} else {
mBluetoothHeadsetDevice = null;
}
// Refresh SCO audio state
checkScoAudioState();
// Continue pending action if any
if (mScoAudioState == SCO_STATE_ACTIVATE_REQ ||
mScoAudioState == SCO_STATE_DEACTIVATE_REQ ||
mScoAudioState == SCO_STATE_DEACTIVATE_EXT_REQ) {
boolean status = false;
if (mBluetoothHeadsetDevice != null) {
switch (mScoAudioState) {
case SCO_STATE_ACTIVATE_REQ:
mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
if (mScoAudioMode == SCO_MODE_RAW) {
status = mBluetoothHeadset.connectAudio();
} else if (mScoAudioMode == SCO_MODE_VIRTUAL_CALL) {
status = mBluetoothHeadset.startScoUsingVirtualVoiceCall(
mBluetoothHeadsetDevice);
} else if (mScoAudioMode == SCO_MODE_VR) {
status = mBluetoothHeadset.startVoiceRecognition(
mBluetoothHeadsetDevice);
}
break;
case SCO_STATE_DEACTIVATE_REQ:
if (mScoAudioMode == SCO_MODE_RAW) {
status = mBluetoothHeadset.disconnectAudio();
} else if (mScoAudioMode == SCO_MODE_VIRTUAL_CALL) {
status = mBluetoothHeadset.stopScoUsingVirtualVoiceCall(
mBluetoothHeadsetDevice);
} else if (mScoAudioMode == SCO_MODE_VR) {
status = mBluetoothHeadset.stopVoiceRecognition(
mBluetoothHeadsetDevice);
}
break;
case SCO_STATE_DEACTIVATE_EXT_REQ:
status = mBluetoothHeadset.stopVoiceRecognition(
mBluetoothHeadsetDevice);
}
}
if (!status) {
sendMsg(mAudioHandler, MSG_BT_HEADSET_CNCT_FAILED,
SENDMSG_REPLACE, 0, 0, null, 0);
}
}
}
break;
default:
break;
}
}
public void onServiceDisconnected(int profile) {
switch(profile) {
case BluetoothProfile.A2DP:
synchronized (mA2dpAvrcpLock) {
mA2dp = null;
synchronized (mConnectedDevices) {
if (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)) {
makeA2dpDeviceUnavailableNow(
mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP));
}
}
}
break;
case BluetoothProfile.A2DP_SINK:
synchronized (mConnectedDevices) {
if (mConnectedDevices.containsKey(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP)) {
makeA2dpSrcUnavailable(
mConnectedDevices.get(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP));
}
}
break;
case BluetoothProfile.HEADSET:
synchronized (mScoClients) {
mBluetoothHeadset = null;
}
break;
default:
break;
}
}
};
private void onCheckMusicActive() {
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,
null,
MUSIC_ACTIVE_POLL_PERIOD_MS);
int index = mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(device);
if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0) &&
(index > mSafeMediaVolumeIndex)) {
// Approximate cumulative active music time
mMusicActiveMs += MUSIC_ACTIVE_POLL_PERIOD_MS;
if (mMusicActiveMs > UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX) {
setSafeMediaVolumeEnabled(true);
mMusicActiveMs = 0;
}
saveMusicActiveMs();
}
}
}
}
}
private void saveMusicActiveMs() {
mAudioHandler.obtainMessage(MSG_PERSIST_MUSIC_ACTIVE_MS, mMusicActiveMs, 0).sendToTarget();
}
private void onConfigureSafeVolume(boolean force) {
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;
boolean safeMediaVolumeEnabled =
SystemProperties.getBoolean("audio.safemedia.force", false)
|| mContext.getResources().getBoolean(
com.android.internal.R.bool.config_safe_media_volume_enabled);
// 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) {
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();
} 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) {
int result = FLAG_ADJUST_VOLUME;
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;
}
} else {
// (oldIndex < step) is equivalent to (old UI index == 0)
if ((oldIndex < step)
&& VOLUME_SETS_RINGER_MODE_SILENT
&& mPrevVolDirection != AudioManager.ADJUST_LOWER) {
ringerMode = RINGER_MODE_SILENT;
}
}
}
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)) {
if (mPrevVolDirection != AudioManager.ADJUST_LOWER) {
if (VOLUME_SETS_RINGER_MODE_SILENT) {
ringerMode = RINGER_MODE_SILENT;
} else {
result |= AudioManager.FLAG_SHOW_VIBRATE_HINT;
}
}
} else if (direction == AudioManager.ADJUST_RAISE) {
ringerMode = RINGER_MODE_NORMAL;
}
result &= ~FLAG_ADJUST_VOLUME;
break;
case RINGER_MODE_SILENT:
if (direction == AudioManager.ADJUST_RAISE) {
if (PREVENT_VOLUME_ADJUSTMENT_IF_SILENT) {
result |= AudioManager.FLAG_SHOW_SILENT_HINT;
} else {
if (mHasVibrator) {
ringerMode = RINGER_MODE_VIBRATE;
} else {
ringerMode = RINGER_MODE_NORMAL;
}
}
}
result &= ~FLAG_ADJUST_VOLUME;
break;
default:
Log.e(TAG, "checkForRingerModeChange() wrong ringer mode: "+ringerMode);
break;
}
setRingerMode(ringerMode, TAG + ".checkForRingerModeChange", false /*external*/);
mPrevVolDirection = direction;
return result;
}
@Override
public boolean isStreamAffectedByRingerMode(int streamType) {
return (mRingerModeAffectedStreams & (1 << streamType)) != 0;
}
private boolean isStreamMutedByRingerMode(int streamType) {
return (mRingerModeMutedStreams & (1 << streamType)) != 0;
}
boolean updateRingerModeAffectedStreams() {
int ringerModeAffectedStreams;
// make sure settings for ringer mode are consistent with device type: non voice capable
// devices (tablets) include media stream in silent mode whereas phones don't.
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);
// ringtone, notification and system streams are always affected by ringer mode
ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_RING)|
(1 << AudioSystem.STREAM_NOTIFICATION)|
(1 << AudioSystem.STREAM_SYSTEM);
switch (mPlatformType) {
case PLATFORM_TELEVISION:
ringerModeAffectedStreams = 0;
break;
default:
ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_MUSIC);
break;
}
synchronized (mCameraSoundForced) {
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 false;
}
public boolean isStreamAffectedByMute(int streamType) {
return (mMuteAffectedStreams & (1 << streamType)) != 0;
}
private void ensureValidDirection(int direction) {
if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) {
throw new IllegalArgumentException("Bad direction " + direction);
}
}
private void ensureValidSteps(int steps) {
if (Math.abs(steps) > MAX_BATCH_VOLUME_ADJUST_STEPS) {
throw new IllegalArgumentException("Bad volume adjust steps " + steps);
}
}
private void ensureValidStreamType(int streamType) {
if (streamType < 0 || streamType >= mStreamStates.length) {
throw new IllegalArgumentException("Bad stream type " + streamType);
}
}
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);
}
/**
* For code clarity for getActiveStreamType(int)
* @param delay_ms max time since last STREAM_MUSIC activity to consider
* @return true if STREAM_MUSIC is active in streams handled by AudioFlinger now or
* in the last "delay_ms" ms.
*/
private boolean isAfMusicActiveRecently(int delay_ms) {
return AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, delay_ms)
|| AudioSystem.isStreamActiveRemotely(AudioSystem.STREAM_MUSIC, delay_ms);
}
private int getActiveStreamType(int suggestedStreamType) {
switch (mPlatformType) {
case 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 (isAfMusicActiveRecently(StreamOverride.sDelayMs)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active");
return AudioSystem.STREAM_MUSIC;
} else {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING b/c default");
return AudioSystem.STREAM_RING;
}
} else if (isAfMusicActiveRecently(0)) {
if (DEBUG_VOL)
Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active");
return AudioSystem.STREAM_MUSIC;
}
break;
case PLATFORM_TELEVISION:
if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
// TV always defaults to STREAM_MUSIC
return AudioSystem.STREAM_MUSIC;
}
break;
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,
StreamOverride.sDelayMs) ||
AudioSystem.isStreamActive(AudioSystem.STREAM_RING,
StreamOverride.sDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION");
return AudioSystem.STREAM_NOTIFICATION;
} else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {
if (isAfMusicActiveRecently(StreamOverride.sDelayMs)) {
if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: forcing STREAM_MUSIC");
return AudioSystem.STREAM_MUSIC;
} else {
if (DEBUG_VOL) Log.v(TAG,
"getActiveStreamType: using STREAM_NOTIFICATION as default");
return AudioSystem.STREAM_NOTIFICATION;
}
}
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 (ActivityManagerNative.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;
handler.sendMessageAtTime(handler.obtainMessage(msg, arg1, arg2, obj), time);
if (msg == MSG_SET_WIRED_DEVICE_CONNECTION_STATE ||
msg == MSG_SET_A2DP_SRC_CONNECTION_STATE ||
msg == MSG_SET_A2DP_SINK_CONNECTION_STATE) {
mLastDeviceConnectMsgTime = 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 = AudioSystem.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;
}
public void setWiredDeviceConnectionState(int device, int state, String name) {
synchronized (mConnectedDevices) {
int delay = checkSendBecomingNoisyIntent(device, state);
queueMsgUnderWakeLock(mAudioHandler,
MSG_SET_WIRED_DEVICE_CONNECTION_STATE,
device,
state,
name,
delay);
}
}
public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state, int profile)
{
int delay;
if (profile != BluetoothProfile.A2DP && profile != BluetoothProfile.A2DP_SINK) {
throw new IllegalArgumentException("invalid profile " + profile);
}
synchronized (mConnectedDevices) {
if (profile == BluetoothProfile.A2DP) {
delay = checkSendBecomingNoisyIntent(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
(state == BluetoothA2dp.STATE_CONNECTED) ? 1 : 0);
} else {
delay = 0;
}
queueMsgUnderWakeLock(mAudioHandler,
(profile == BluetoothProfile.A2DP ?
MSG_SET_A2DP_SINK_CONNECTION_STATE : MSG_SET_A2DP_SRC_CONNECTION_STATE),
state,
0,
device,
delay);
}
return delay;
}
///////////////////////////////////////////////////////////////////////////
// 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
// 5 mCameraSoundForced
public class VolumeStreamState {
private final int mStreamType;
private String mVolumeIndexSettingName;
private int mIndexMax;
private final ConcurrentHashMap<Integer, Integer> mIndex =
new ConcurrentHashMap<Integer, Integer>(8, 0.75f, 4);
private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo clients death
private VolumeStreamState(String settingName, int streamType) {
mVolumeIndexSettingName = settingName;
mStreamType = streamType;
mIndexMax = MAX_STREAM_VOLUME[streamType];
AudioSystem.initStreamVolume(streamType, 0, mIndexMax);
mIndexMax *= 10;
// mDeathHandlers must be created before calling readSettings()
mDeathHandlers = new ArrayList<VolumeDeathHandler>();
readSettings();
}
public String getSettingNameForDevice(int device) {
String name = mVolumeIndexSettingName;
String suffix = AudioSystem.getOutputDeviceName(device);
if (suffix.isEmpty()) {
return name;
}
return name + "_" + suffix;
}
public void readSettings() {
synchronized (VolumeStreamState.class) {
// force maximum volume on all streams if fixed volume property
// or master volume property is set
if (mUseFixedVolume || mUseMasterVolume) {
mIndex.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 * DEFAULT_STREAM_VOLUME[mStreamType];
synchronized (mCameraSoundForced) {
if (mCameraSoundForced) {
index = mIndexMax;
}
}
mIndex.put(AudioSystem.DEVICE_OUT_DEFAULT, index);
return;
}
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
String name = getSettingNameForDevice(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) ?
DEFAULT_STREAM_VOLUME[mStreamType] : -1;
int index = Settings.System.getIntForUser(
mContentResolver, name, defaultIndex, UserHandle.USER_CURRENT);
if (index == -1) {
continue;
}
mIndex.put(device, getValidIndex(10 * index));
}
}
}
// must be called while synchronized VolumeStreamState.class
public void applyDeviceVolume_syncVSS(int device) {
int index;
if (isMuted_syncVSS()) {
index = 0;
} else if (((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 && mAvrcpAbsVolSupported)
|| ((device & mFullVolumeDevices) != 0)) {
index = (mIndexMax + 5)/10;
} else {
index = (getIndex(device) + 5)/10;
}
AudioSystem.setStreamVolumeIndex(mStreamType, index, device);
}
public void applyAllVolumes() {
synchronized (VolumeStreamState.class) {
// apply default volume first: by convention this will reset all
// devices volumes in audio policy manager to the supplied value
int index;
if (isMuted_syncVSS()) {
index = 0;
} else {
index = (getIndex(AudioSystem.DEVICE_OUT_DEFAULT) + 5)/10;
}
AudioSystem.setStreamVolumeIndex(mStreamType, index, AudioSystem.DEVICE_OUT_DEFAULT);
// then apply device specific volumes
Set set = mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
int device = ((Integer)entry.getKey()).intValue();
if (device != AudioSystem.DEVICE_OUT_DEFAULT) {
if (isMuted_syncVSS()) {
index = 0;
} else if (((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 &&
mAvrcpAbsVolSupported)
|| ((device & mFullVolumeDevices) != 0))
{
index = (mIndexMax + 5)/10;
} else {
index = ((Integer)entry.getValue() + 5)/10;
}
AudioSystem.setStreamVolumeIndex(mStreamType, index, device);
}
}
}
}
public boolean adjustIndex(int deltaIndex, int device) {
return setIndex(getIndex(device) + deltaIndex,
device);
}
public boolean setIndex(int index, int device) {
synchronized (VolumeStreamState.class) {
int oldIndex = getIndex(device);
index = getValidIndex(index);
synchronized (mCameraSoundForced) {
if ((mStreamType == AudioSystem.STREAM_SYSTEM_ENFORCED) && mCameraSoundForced) {
index = mIndexMax;
}
}
mIndex.put(device, index);
if (oldIndex != index) {
// Apply change to all streams using this one as alias
// if changing volume of current device, also change volume of current
// device on aliased stream
boolean currentDevice = (device == getDeviceForStream(mStreamType));
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
if (streamType != mStreamType &&
mStreamVolumeAlias[streamType] == mStreamType) {
int scaledIndex = rescaleIndex(index, mStreamType, streamType);
mStreamStates[streamType].setIndex(scaledIndex,
device);
if (currentDevice) {
mStreamStates[streamType].setIndex(scaledIndex,
getDeviceForStream(streamType));
}
}
}
return true;
} else {
return false;
}
}
}
public int getIndex(int device) {
synchronized (VolumeStreamState.class) {
Integer index = mIndex.get(device);
if (index == null) {
// there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT
index = mIndex.get(AudioSystem.DEVICE_OUT_DEFAULT);
}
return index.intValue();
}
}
public int getMaxIndex() {
return mIndexMax;
}
public void setAllIndexes(VolumeStreamState srcStream) {
synchronized (VolumeStreamState.class) {
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);
Set set = mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
entry.setValue(index);
}
// Now apply actual volume for devices in source stream state
set = srcStream.mIndex.entrySet();
i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
int device = ((Integer)entry.getKey()).intValue();
index = ((Integer)entry.getValue()).intValue();
index = rescaleIndex(index, srcStreamType, mStreamType);
setIndex(index, device);
}
}
}
public void setAllIndexesToMax() {
synchronized (VolumeStreamState.class) {
Set set = mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
entry.setValue(mIndexMax);
}
}
}
public void mute(IBinder cb, boolean state) {
synchronized (VolumeStreamState.class) {
VolumeDeathHandler handler = getDeathHandler_syncVSS(cb, state);
if (handler == null) {
Log.e(TAG, "Could not get client death handler for stream: "+mStreamType);
return;
}
handler.mute_syncVSS(state);
}
}
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) {
Set set = mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
int device = ((Integer)entry.getKey()).intValue();
int index = ((Integer)entry.getValue()).intValue();
if (((device & mFullVolumeDevices) != 0)
|| (((device & mFixedVolumeDevices) != 0) && index != 0)) {
entry.setValue(mIndexMax);
}
applyDeviceVolume_syncVSS(device);
}
}
}
}
private int getValidIndex(int index) {
if (index < 0) {
return 0;
} else if (mUseFixedVolume || mUseMasterVolume || index > mIndexMax) {
return mIndexMax;
}
return index;
}
private class VolumeDeathHandler implements IBinder.DeathRecipient {
private IBinder mICallback; // To be notified of client's death
private int mMuteCount; // Number of active mutes for this client
VolumeDeathHandler(IBinder cb) {
mICallback = cb;
}
// must be called while synchronized VolumeStreamState.class
public void mute_syncVSS(boolean state) {
boolean updateVolume = false;
if (state) {
if (mMuteCount == 0) {
// Register for client death notification
try {
// mICallback can be 0 if muted by AudioService
if (mICallback != null) {
mICallback.linkToDeath(this, 0);
}
VolumeStreamState.this.mDeathHandlers.add(this);
// If the stream is not yet muted by any client, set level to 0
if (!VolumeStreamState.this.isMuted_syncVSS()) {
updateVolume = true;
}
} catch (RemoteException e) {
// Client has died!
binderDied();
return;
}
} else {
Log.w(TAG, "stream: "+mStreamType+" was already muted by this client");
}
mMuteCount++;
} else {
if (mMuteCount == 0) {
Log.e(TAG, "unexpected unmute for stream: "+mStreamType);
} else {
mMuteCount--;
if (mMuteCount == 0) {
// Unregister from client death notification
VolumeStreamState.this.mDeathHandlers.remove(this);
// mICallback can be 0 if muted by AudioService
if (mICallback != null) {
mICallback.unlinkToDeath(this, 0);
}
if (!VolumeStreamState.this.isMuted_syncVSS()) {
updateVolume = true;
}
}
}
}
if (updateVolume) {
sendMsg(mAudioHandler,
MSG_SET_ALL_VOLUMES,
SENDMSG_QUEUE,
0,
0,
VolumeStreamState.this, 0);
}
}
public void binderDied() {
Log.w(TAG, "Volume service client died for stream: "+mStreamType);
synchronized (VolumeStreamState.class) {
if (mMuteCount != 0) {
// Reset all active mute requests from this client.
mMuteCount = 1;
mute_syncVSS(false);
}
}
}
}
private int muteCount() {
int count = 0;
int size = mDeathHandlers.size();
for (int i = 0; i < size; i++) {
count += mDeathHandlers.get(i).mMuteCount;
}
return count;
}
// must be called while synchronized VolumeStreamState.class
private boolean isMuted_syncVSS() {
return muteCount() != 0;
}
// must be called while synchronized VolumeStreamState.class
private VolumeDeathHandler getDeathHandler_syncVSS(IBinder cb, boolean state) {
VolumeDeathHandler handler;
int size = mDeathHandlers.size();
for (int i = 0; i < size; i++) {
handler = mDeathHandlers.get(i);
if (cb == handler.mICallback) {
return handler;
}
}
// If this is the first mute request for this client, create a new
// client death handler. Otherwise, it is an out of sequence unmute request.
if (state) {
handler = new VolumeDeathHandler(cb);
} else {
Log.w(TAG, "stream was not muted by this client");
handler = null;
}
return handler;
}
private void dump(PrintWriter pw) {
pw.print(" Mute count: ");
pw.println(muteCount());
pw.print(" Max: ");
pw.println((mIndexMax + 5) / 10);
pw.print(" Current: ");
Set set = mIndex.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
final int device = (Integer) entry.getKey();
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 = (((Integer) entry.getValue()) + 5) / 10;
pw.print(index);
if (i.hasNext()) {
pw.print(", ");
}
}
}
}
/** 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();
}
}
/** Handles internal volume messages in separate volume thread. */
private class AudioHandler extends Handler {
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);
}
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 (isPlatformTelevision() && (streamState.mStreamType != AudioSystem.STREAM_MUSIC)) {
return;
}
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 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 = Environment.getRootDirectory()
+ SOUND_EFFECTS_PATH
+ SOUND_EFFECT_FILES.get(SOUND_EFFECT_FILES_MAP[effect][0]);
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 = Environment.getRootDirectory() + SOUND_EFFECTS_PATH +
SOUND_EFFECT_FILES.get(SOUND_EFFECT_FILES_MAP[effectType][0]);
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) {
AudioSystem.setForceUse(usage, config);
}
private void onPersistSafeVolumeState(int state) {
Settings.Global.putInt(mContentResolver,
Settings.Global.AUDIO_SAFE_VOLUME_STATE,
state);
}
@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_MASTER_VOLUME:
if (mUseFixedVolume) {
return;
}
Settings.System.putFloatForUser(mContentResolver,
Settings.System.VOLUME_MASTER,
msg.arg1 / (float)1000.0,
UserHandle.USER_CURRENT);
break;
case MSG_PERSIST_MASTER_VOLUME_MUTE:
if (mUseFixedVolume) {
return;
}
Settings.System.putIntForUser(mContentResolver,
Settings.System.VOLUME_MASTER_MUTE,
msg.arg1,
msg.arg2);
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_MEDIA_SERVER_DIED:
if (!mSystemReady ||
(AudioSystem.checkAudioFlinger() != AudioSystem.AUDIO_STATUS_OK)) {
Log.e(TAG, "Media server died.");
sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SENDMSG_NOOP, 0, 0,
null, 500);
break;
}
Log.e(TAG, "Media server 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) {
Set set = mConnectedDevices.entrySet();
Iterator i = set.iterator();
while (i.hasNext()) {
Map.Entry device = (Map.Entry)i.next();
AudioSystem.setDeviceConnectionState(
((Integer)device.getKey()).intValue(),
AudioSystem.DEVICE_STATE_AVAILABLE,
(String)device.getValue());
}
}
// Restore call state
AudioSystem.setPhoneState(mMode);
// Restore forced usage for communcations and record
AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm);
AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm);
AudioSystem.setForceUse(AudioSystem.FOR_SYSTEM, mCameraSoundForced ?
AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE);
// Restore stream volumes
int numStreamTypes = AudioSystem.getNumStreamTypes();
for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) {
VolumeStreamState streamState = mStreamStates[streamType];
AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10);
streamState.applyAllVolumes();
}
// Restore ringer mode
setRingerModeInt(getRingerModeInternal(), false);
// Restore master volume
restoreMasterVolume();
// Reset device orientation (if monitored for this device)
if (mMonitorOrientation) {
setOrientationForAudioSystem();
}
if (mMonitorRotation) {
setRotationForAudioSystem();
}
synchronized (mBluetoothA2dpEnabledLock) {
AudioSystem.setForceUse(AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ?
AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
}
synchronized (mSettingsLock) {
AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
mDockAudioMediaEnabled ?
AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE);
}
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
if (mHdmiTvClient != null) {
setHdmiSystemAudioSupported(mHdmiSystemAudioSupported);
}
}
}
synchronized (mAudioPolicies) {
for(AudioPolicyProxy policy : mAudioPolicies.values()) {
policy.connectMixes();
}
}
// indicate the end of reconfiguration phase to audio HAL
AudioSystem.setParameters("restarting=false");
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 );
}
break;
case MSG_SET_FORCE_USE:
case MSG_SET_FORCE_BT_A2DP_USE:
setForceUse(msg.arg1, msg.arg2);
break;
case MSG_BT_HEADSET_CNCT_FAILED:
resetBluetoothSco();
break;
case MSG_SET_WIRED_DEVICE_CONNECTION_STATE:
onSetWiredDeviceConnectionState(msg.arg1, msg.arg2, (String)msg.obj);
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);
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();
break;
}
case MSG_CHECK_MUSIC_ACTIVE:
onCheckMusicActive();
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));
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_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_PERSIST_MICROPHONE_MUTE:
Settings.System.putIntForUser(mContentResolver,
Settings.System.MICROPHONE_MUTE,
msg.arg1,
msg.arg2);
break;
}
}
}
private class SettingsObserver extends ContentObserver {
SettingsObserver() {
super(new Handler());
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);
}
@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 mRingerModeMutedStreams
// and mRingerModeAffectedStreams, so will leave this synchronized for now.
// mRingerModeMutedStreams and mMuteAffectedStreams are safe (only accessed once).
synchronized (mSettingsLock) {
if (updateRingerModeAffectedStreams()) {
/*
* Ensure all stream types that should be affected by ringer mode
* are in the proper state.
*/
setRingerModeInt(getRingerModeInternal(), false);
}
readDockAudioSettings(mContentResolver);
}
}
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceAvailable(String address) {
// enable A2DP before notifying A2DP connection to avoid unecessary processing in
// audio policy manager
VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC];
sendMsg(mAudioHandler, MSG_SET_DEVICE_VOLUME, SENDMSG_QUEUE,
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0, streamState, 0);
setBluetoothA2dpOnInt(true);
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_AVAILABLE,
address);
// Reset A2DP suspend state each time a new sink is connected
AudioSystem.setParameters("A2dpSuspended=false");
mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP),
address);
}
private void onSendBecomingNoisyIntent() {
sendBroadcastToAll(new Intent(AudioManager.ACTION_AUDIO_BECOMING_NOISY));
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceUnavailableNow(String address) {
synchronized (mA2dpAvrcpLock) {
mAvrcpAbsVolSupported = false;
}
AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP,
AudioSystem.DEVICE_STATE_UNAVAILABLE,
address);
mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP);
synchronized (mCurAudioRoutes) {
// Remove A2DP routes as well
if (mCurAudioRoutes.mBluetoothName != null) {
mCurAudioRoutes.mBluetoothName = null;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
}
// must be called synchronized on mConnectedDevices
private void makeA2dpDeviceUnavailableLater(String address) {
// 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(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP);
// send the delayed message to make the device unavailable later
Message msg = mAudioHandler.obtainMessage(MSG_BTA2DP_DOCK_TIMEOUT, address);
mAudioHandler.sendMessageDelayed(msg, BTA2DP_DOCK_TIMEOUT_MILLIS);
}
// 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( new Integer(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(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP);
}
// 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)
{
if (DEBUG_VOL) {
Log.d(TAG, "onSetA2dpSinkConnectionState btDevice="+btDevice+"state="+state);
}
if (btDevice == null) {
return;
}
String address = btDevice.getAddress();
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
synchronized (mConnectedDevices) {
boolean isConnected =
(mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) &&
mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP).equals(address));
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);
// the next time isConnected is evaluated, it will be false for the dock
}
} else {
makeA2dpDeviceUnavailableNow(address);
}
synchronized (mCurAudioRoutes) {
if (mCurAudioRoutes.mBluetoothName != null) {
mCurAudioRoutes.mBluetoothName = null;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
} 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()) {
cancelA2dpDeviceTimeout();
makeA2dpDeviceUnavailableNow(mDockAddress);
}
}
makeA2dpDeviceAvailable(address);
synchronized (mCurAudioRoutes) {
String name = btDevice.getAliasName();
if (!TextUtils.equals(mCurAudioRoutes.mBluetoothName, name)) {
mCurAudioRoutes.mBluetoothName = name;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
}
}
}
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) {
boolean isConnected =
(mConnectedDevices.containsKey(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP) &&
mConnectedDevices.get(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP).equals(address));
if (isConnected && state != BluetoothProfile.STATE_CONNECTED) {
makeA2dpSrcUnavailable(address);
} else if (!isConnected && state == BluetoothProfile.STATE_CONNECTED) {
makeA2dpSrcAvailable(address);
}
}
}
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);
sendMsg(mAudioHandler, MSG_SET_DEVICE_VOLUME, SENDMSG_QUEUE,
AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0,
mStreamStates[AudioSystem.STREAM_RING], 0);
}
}
private boolean handleDeviceConnection(boolean connected, int device, String params) {
synchronized (mConnectedDevices) {
boolean isConnected = (mConnectedDevices.containsKey(device) &&
(params.isEmpty() || mConnectedDevices.get(device).equals(params)));
if (isConnected && !connected) {
AudioSystem.setDeviceConnectionState(device,
AudioSystem.DEVICE_STATE_UNAVAILABLE,
mConnectedDevices.get(device));
mConnectedDevices.remove(device);
return true;
} else if (!isConnected && connected) {
AudioSystem.setDeviceConnectionState(device,
AudioSystem.DEVICE_STATE_AVAILABLE,
params);
mConnectedDevices.put(new Integer(device), params);
return true;
}
}
return false;
}
// Devices which removal triggers intent ACTION_AUDIO_BECOMING_NOISY. The intent is only
// sent if none of these devices is connected.
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;
// must be called before removing the device from mConnectedDevices
private int checkSendBecomingNoisyIntent(int device, int state) {
int delay = 0;
if ((state == 0) && ((device & mBecomingNoisyIntentDevices) != 0)) {
int devices = 0;
for (int dev : mConnectedDevices.keySet()) {
if (((dev & AudioSystem.DEVICE_BIT_IN) == 0) &&
((dev & mBecomingNoisyIntentDevices) != 0)) {
devices |= dev;
}
}
if (devices == device) {
sendMsg(mAudioHandler,
MSG_BROADCAST_AUDIO_BECOMING_NOISY,
SENDMSG_REPLACE,
0,
0,
null,
0);
delay = 1000;
}
}
if (mAudioHandler.hasMessages(MSG_SET_A2DP_SRC_CONNECTION_STATE) ||
mAudioHandler.hasMessages(MSG_SET_A2DP_SINK_CONNECTION_STATE) ||
mAudioHandler.hasMessages(MSG_SET_WIRED_DEVICE_CONNECTION_STATE)) {
synchronized (mLastDeviceConnectMsgTime) {
long time = SystemClock.uptimeMillis();
if (mLastDeviceConnectMsgTime > time) {
delay = (int)(mLastDeviceConnectMsgTime - time) + 30;
}
}
}
return delay;
}
private void sendDeviceConnectionIntent(int device, int state, String name)
{
Intent intent = new Intent();
intent.putExtra("state", state);
intent.putExtra("name", name);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
int connType = 0;
if (device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) {
connType = AudioRoutesInfo.MAIN_HEADSET;
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone", 1);
} else if (device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE ||
device == AudioSystem.DEVICE_OUT_LINE) {
/*do apps care about line-out vs headphones?*/
connType = AudioRoutesInfo.MAIN_HEADPHONES;
intent.setAction(Intent.ACTION_HEADSET_PLUG);
intent.putExtra("microphone", 0);
} else if (device == AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET) {
connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS;
intent.setAction(AudioManager.ACTION_ANALOG_AUDIO_DOCK_PLUG);
} else if (device == AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET) {
connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS;
intent.setAction(AudioManager.ACTION_DIGITAL_AUDIO_DOCK_PLUG);
} else if (device == AudioSystem.DEVICE_OUT_HDMI ||
device == AudioSystem.DEVICE_OUT_HDMI_ARC) {
connType = AudioRoutesInfo.MAIN_HDMI;
configureHdmiPlugIntent(intent, state);
}
synchronized (mCurAudioRoutes) {
if (connType != 0) {
int newConn = mCurAudioRoutes.mMainType;
if (state != 0) {
newConn |= connType;
} else {
newConn &= ~connType;
}
if (newConn != mCurAudioRoutes.mMainType) {
mCurAudioRoutes.mMainType = newConn;
sendMsg(mAudioHandler, MSG_REPORT_NEW_ROUTES,
SENDMSG_NOOP, 0, 0, null, 0);
}
}
}
final long ident = Binder.clearCallingIdentity();
try {
ActivityManagerNative.broadcastStickyIntent(intent, null, UserHandle.USER_ALL);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
private void onSetWiredDeviceConnectionState(int device, int state, String name)
{
synchronized (mConnectedDevices) {
if ((state == 0) && ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) ||
(device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) ||
(device == AudioSystem.DEVICE_OUT_LINE))) {
setBluetoothA2dpOnInt(true);
}
boolean isUsb = ((device & ~AudioSystem.DEVICE_OUT_ALL_USB) == 0) ||
(((device & AudioSystem.DEVICE_BIT_IN) != 0) &&
((device & ~AudioSystem.DEVICE_IN_ALL_USB) == 0));
handleDeviceConnection((state == 1), device, (isUsb ? name : ""));
if (state != 0) {
if ((device == AudioSystem.DEVICE_OUT_WIRED_HEADSET) ||
(device == AudioSystem.DEVICE_OUT_WIRED_HEADPHONE) ||
(device == AudioSystem.DEVICE_OUT_LINE)) {
setBluetoothA2dpOnInt(false);
}
if ((device & mSafeMediaVolumeDevices) != 0) {
sendMsg(mAudioHandler,
MSG_CHECK_MUSIC_ACTIVE,
SENDMSG_REPLACE,
0,
0,
null,
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);
}
}
}
}
} else {
if (isPlatformTelevision() && ((device & AudioSystem.DEVICE_OUT_HDMI) != 0)) {
if (mHdmiManager != null) {
synchronized (mHdmiManager) {
mHdmiCecSink = false;
}
}
}
}
if (!isUsb && (device != AudioSystem.DEVICE_IN_WIRED_HEADSET)) {
sendDeviceConnectionIntent(device, state, name);
}
}
}
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 = 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)))) {
AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config);
}
mDockState = dockState;
} else if (action.equals(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED)) {
state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE,
BluetoothProfile.STATE_DISCONNECTED);
outDevice = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO;
inDevice = AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET;
String address = null;
BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (btDevice == null) {
return;
}
address = btDevice.getAddress();
BluetoothClass btClass = btDevice.getBluetoothClass();
if (btClass != null) {
switch (btClass.getDeviceClass()) {
case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET:
case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE:
outDevice = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
break;
case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
outDevice = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
break;
}
}
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
address = "";
}
boolean connected = (state == BluetoothProfile.STATE_CONNECTED);
boolean success = handleDeviceConnection(connected, outDevice, address) &&
handleDeviceConnection(connected, inDevice, address);
if (success) {
synchronized (mScoClients) {
if (connected) {
mBluetoothHeadsetDevice = btDevice;
} else {
mBluetoothHeadsetDevice = null;
resetBluetoothSco();
}
}
}
} else if (action.equals(AudioManager.ACTION_USB_AUDIO_ACCESSORY_PLUG)) {
state = intent.getIntExtra("state", 0);
int alsaCard = intent.getIntExtra("card", -1);
int alsaDevice = intent.getIntExtra("device", -1);
String params = (alsaCard == -1 && alsaDevice == -1 ? ""
: "card=" + alsaCard + ";device=" + alsaDevice);
// Playback Device
outDevice = AudioSystem.DEVICE_OUT_USB_ACCESSORY;
setWiredDeviceConnectionState(outDevice, state, params);
} else if (action.equals(AudioManager.ACTION_USB_AUDIO_DEVICE_PLUG)) {
// FIXME Does not yet handle the case where the setting is changed
// after device connection. Ideally we should handle the settings change
// in SettingsObserver. Here we should log that a USB device is connected
// and disconnected with its address (card , device) and force the
// connection or disconnection when the setting changes.
int isDisabled = Settings.Secure.getInt(mContentResolver,
Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0);
if (isDisabled != 0) {
return;
}
state = intent.getIntExtra("state", 0);
int alsaCard = intent.getIntExtra("card", -1);
int alsaDevice = intent.getIntExtra("device", -1);
boolean hasPlayback = intent.getBooleanExtra("hasPlayback", false);
boolean hasCapture = intent.getBooleanExtra("hasCapture", false);
boolean hasMIDI = intent.getBooleanExtra("hasMIDI", false);
String params = (alsaCard == -1 && alsaDevice == -1 ? ""
: "card=" + alsaCard + ";device=" + alsaDevice);
// Playback Device
if (hasPlayback) {
outDevice = AudioSystem.DEVICE_OUT_USB_DEVICE;
setWiredDeviceConnectionState(outDevice, state, params);
}
// Capture Device
if (hasCapture) {
inDevice = AudioSystem.DEVICE_IN_USB_DEVICE;
setWiredDeviceConnectionState(inDevice, state, params);
}
} 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)) {
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_DEACTIVATE_EXT_REQ) {
mScoAudioState = SCO_STATE_ACTIVE_EXTERNAL;
}
break;
case BluetoothHeadset.STATE_AUDIO_DISCONNECTED:
scoAudioState = AudioManager.SCO_AUDIO_STATE_DISCONNECTED;
mScoAudioState = SCO_STATE_INACTIVE;
clearAllScoClients(0, false);
break;
case BluetoothHeadset.STATE_AUDIO_CONNECTING:
if (mScoAudioState != SCO_STATE_ACTIVE_INTERNAL &&
mScoAudioState != SCO_STATE_DEACTIVATE_REQ &&
mScoAudioState != SCO_STATE_DEACTIVATE_EXT_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) {
mOrientationListener.onOrientationChanged(0); //argument is ignored anyway
mOrientationListener.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
mOrientationListener.disable();
}
AudioSystem.setParameters("screen_state=off");
} else if (action.equals(Intent.ACTION_CONFIGURATION_CHANGED)) {
handleConfigurationChanged(context);
} else if (action.equals(Intent.ACTION_USER_SWITCHED)) {
// attempt to stop music playback for background user
sendMsg(mAudioHandler,
MSG_BROADCAST_AUDIO_BECOMING_NOISY,
SENDMSG_REPLACE,
0,
0,
null,
0);
// 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);
}
}
} // end class AudioServiceBroadcastReceiver
//==========================================================================================
// RemoteControlDisplay / RemoteControlClient / Remote info
//==========================================================================================
public boolean registerRemoteController(IRemoteControlDisplay rcd, int w, int h,
ComponentName listenerComp) {
return mMediaFocusControl.registerRemoteController(rcd, w, h, listenerComp);
}
public boolean registerRemoteControlDisplay(IRemoteControlDisplay rcd, int w, int h) {
return mMediaFocusControl.registerRemoteControlDisplay(rcd, w, h);
}
public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) {
mMediaFocusControl.unregisterRemoteControlDisplay(rcd);
}
public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) {
mMediaFocusControl.remoteControlDisplayUsesBitmapSize(rcd, w, h);
}
public void remoteControlDisplayWantsPlaybackPositionSync(IRemoteControlDisplay rcd,
boolean wantsSync) {
mMediaFocusControl.remoteControlDisplayWantsPlaybackPositionSync(rcd, wantsSync);
}
@Override
public void setRemoteStreamVolume(int index) {
enforceSelfOrSystemUI("set the remote stream volume");
mMediaFocusControl.setRemoteStreamVolume(index);
}
//==========================================================================================
// Audio Focus
//==========================================================================================
public int requestAudioFocus(AudioAttributes aa, int durationHint, IBinder cb,
IAudioFocusDispatcher fd, String clientId, String callingPackageName, int flags,
IAudioPolicyCallback pcb) {
// permission checks
if ((flags & AudioManager.AUDIOFOCUS_FLAG_LOCK) == AudioManager.AUDIOFOCUS_FLAG_LOCK) {
if (mMediaFocusControl.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);
}
public int abandonAudioFocus(IAudioFocusDispatcher fd, String clientId, AudioAttributes aa) {
return mMediaFocusControl.abandonAudioFocus(fd, clientId, aa);
}
public void unregisterAudioFocusClient(String clientId) {
mMediaFocusControl.unregisterAudioFocusClient(clientId);
}
public int getCurrentAudioFocus() {
return mMediaFocusControl.getCurrentAudioFocus();
}
//==========================================================================================
// Device orientation
//==========================================================================================
/**
* Handles device configuration changes that may map to a change in the orientation
* or orientation.
* Monitoring orientation and rotation is optional, and is defined by the definition and value
* of the "ro.audio.monitorOrientation" and "ro.audio.monitorRotation" system properties.
*/
private void handleConfigurationChanged(Context context) {
try {
// reading new orientation "safely" (i.e. under try catch) in case anything
// goes wrong when obtaining resources and configuration
Configuration config = context.getResources().getConfiguration();
// TODO merge rotation and orientation
if (mMonitorOrientation) {
int newOrientation = config.orientation;
if (newOrientation != mDeviceOrientation) {
mDeviceOrientation = newOrientation;
setOrientationForAudioSystem();
}
}
sendMsg(mAudioHandler,
MSG_CONFIGURE_SAFE_MEDIA_VOLUME,
SENDMSG_REPLACE,
0,
0,
null,
0);
boolean cameraSoundForced = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_camera_sound_forced);
synchronized (mSettingsLock) {
boolean cameraSoundForcedChanged = false;
synchronized (mCameraSoundForced) {
if (cameraSoundForced != mCameraSoundForced) {
mCameraSoundForced = cameraSoundForced;
cameraSoundForcedChanged = true;
}
}
if (cameraSoundForcedChanged) {
if (!isPlatformTelevision()) {
VolumeStreamState s = mStreamStates[AudioSystem.STREAM_SYSTEM_ENFORCED];
if (cameraSoundForced) {
s.setAllIndexesToMax();
mRingerModeAffectedStreams &=
~(1 << AudioSystem.STREAM_SYSTEM_ENFORCED);
} else {
s.setAllIndexes(mStreamStates[AudioSystem.STREAM_SYSTEM]);
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,
null,
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);
}
}
private void setOrientationForAudioSystem() {
switch (mDeviceOrientation) {
case Configuration.ORIENTATION_LANDSCAPE:
//Log.i(TAG, "orientation is landscape");
AudioSystem.setParameters("orientation=landscape");
break;
case Configuration.ORIENTATION_PORTRAIT:
//Log.i(TAG, "orientation is portrait");
AudioSystem.setParameters("orientation=portrait");
break;
case Configuration.ORIENTATION_SQUARE:
//Log.i(TAG, "orientation is square");
AudioSystem.setParameters("orientation=square");
break;
case Configuration.ORIENTATION_UNDEFINED:
//Log.i(TAG, "orientation is undefined");
AudioSystem.setParameters("orientation=undefined");
break;
default:
Log.e(TAG, "Unknown orientation");
}
}
private void setRotationForAudioSystem() {
switch (mDeviceRotation) {
case Surface.ROTATION_0:
AudioSystem.setParameters("rotation=0");
break;
case Surface.ROTATION_90:
AudioSystem.setParameters("rotation=90");
break;
case Surface.ROTATION_180:
AudioSystem.setParameters("rotation=180");
break;
case Surface.ROTATION_270:
AudioSystem.setParameters("rotation=270");
break;
default:
Log.e(TAG, "Unknown device rotation");
}
}
// Handles request to override default use of A2DP for media.
public void setBluetoothA2dpOnInt(boolean on) {
synchronized (mBluetoothA2dpEnabledLock) {
mBluetoothA2dpEnabled = on;
mAudioHandler.removeMessages(MSG_SET_FORCE_BT_A2DP_USE);
AudioSystem.setForceUse(AudioSystem.FOR_MEDIA,
mBluetoothA2dpEnabled ? AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
}
}
@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;
// 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;
// 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 void setSafeMediaVolumeEnabled(boolean on) {
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();
} 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,
null,
MUSIC_ACTIVE_POLL_PERIOD_MS);
}
}
}
}
private void enforceSafeMediaVolume() {
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 > mSafeMediaVolumeIndex) {
streamState.setIndex(mSafeMediaVolumeIndex, device);
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 > mSafeMediaVolumeIndex)) {
return false;
}
return true;
}
}
@Override
public void disableSafeMediaVolume() {
enforceSelfOrSystemUI("disable the safe media volume");
synchronized (mSafeMediaVolumeState) {
setSafeMediaVolumeEnabled(false);
if (mPendingVolumeCommand != null) {
onSetStreamVolume(mPendingVolumeCommand.mStreamType,
mPendingVolumeCommand.mIndex,
mPendingVolumeCommand.mFlags,
mPendingVolumeCommand.mDevice);
mPendingVolumeCommand = null;
}
}
}
//==========================================================================================
// Hdmi Cec system audio mode.
// If Hdmi Cec's system audio mode is on, audio service should notify volume change
// to HdmiControlService so that audio recevier can handle volume change.
//==========================================================================================
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;
AudioSystem.setForceUse(AudioSystem.FOR_HDMI_SYSTEM_AUDIO,
on ? AudioSystem.FORCE_HDMI_SYSTEM_AUDIO_ENFORCED :
AudioSystem.FORCE_NONE);
}
device = AudioSystem.getDevicesForStream(AudioSystem.STREAM_MUSIC);
}
}
}
return device;
}
@Override
public boolean isHdmiSystemAudioSupported() {
return mHdmiSystemAudioSupported;
}
//==========================================================================================
// Accessibility: taking touch exploration into account for selecting the default
// stream override timeout when adjusting volume
//==========================================================================================
private static class StreamOverride
implements AccessibilityManager.TouchExplorationStateChangeListener {
// AudioService.getActiveStreamType() will return:
// - STREAM_NOTIFICATION on tablets during this period after a notification stopped
// - STREAM_MUSIC on phones during this period after music or talkback/voice search prompt
// stopped
private static final int DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS = 5000;
private static final int TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS = 1000;
static int sDelayMs;
static void init(Context ctxt) {
AccessibilityManager accessibilityManager =
(AccessibilityManager) ctxt.getSystemService(Context.ACCESSIBILITY_SERVICE);
updateDefaultStreamOverrideDelay(
accessibilityManager.isTouchExplorationEnabled());
accessibilityManager.addTouchExplorationStateChangeListener(
new StreamOverride());
}
@Override
public void onTouchExplorationStateChanged(boolean enabled) {
updateDefaultStreamOverrideDelay(enabled);
}
private static void updateDefaultStreamOverrideDelay(boolean touchExploreEnabled) {
if (touchExploreEnabled) {
sDelayMs = TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS;
} else {
sDelayMs = DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS;
}
if (DEBUG_VOL) Log.d(TAG, "Touch exploration enabled=" + touchExploreEnabled
+ " stream override delay is now " + sDelayMs + " ms");
}
}
//==========================================================================================
// 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
private Boolean mCameraSoundForced;
// called by android.hardware.Camera to populate CameraInfo.canDisableShutterSound
public boolean isCameraSoundForced() {
synchronized (mCameraSoundForced) {
return mCameraSoundForced;
}
}
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]);
pw.print("- ringer mode affected streams = 0x");
pw.println(Integer.toHexString(mRingerModeAffectedStreams));
pw.print("- ringer mode muted streams = 0x");
pw.println(Integer.toHexString(mRingerModeMutedStreams));
pw.print("- delegate = "); pw.println(mRingerModeDelegate);
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
mMediaFocusControl.dump(pw);
dumpStreamStates(pw);
dumpRingerMode(pw);
pw.println("\nAudio routes:");
pw.print(" mMainType=0x"); pw.println(Integer.toHexString(mCurAudioRoutes.mMainType));
pw.print(" mBluetoothName="); pw.println(mCurAudioRoutes.mBluetoothName);
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(" mPendingVolumeCommand="); pw.println(mPendingVolumeCommand);
pw.print(" mMusicActiveMs="); pw.println(mMusicActiveMs);
pw.print(" mMcc="); pw.println(mMcc);
pw.print(" mHasVibrator="); pw.println(mHasVibrator);
dumpAudioPolicies(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()
{
int status = AudioSystem.setLowRamDevice(ActivityManager.isLowRamDeviceStatic());
if (status != 0) {
Log.w(TAG, "AudioFlinger informed of device's low RAM attribute; status " + status);
}
}
private void enforceSelfOrSystemUI(String action) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE,
"Only SystemUI can " + action);
}
@Override
public void setVolumeController(final IVolumeController controller) {
enforceSelfOrSystemUI("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) {
enforceSelfOrSystemUI("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);
}
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 suppress = false;
if (resolvedStream == AudioSystem.STREAM_RING && 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 postMasterVolumeChanged(int flags) {
if (mController == null)
return;
try {
mController.masterVolumeChanged(flags);
} catch (RemoteException e) {
Log.w(TAG, "Error calling masterVolumeChanged", 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);
}
}
}
/**
* 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) {
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, uid);
}
@Override
public void adjustStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid) {
adjustStreamVolume(streamType, direction, flags, callingPackage, uid);
}
@Override
public void setStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid) {
setStreamVolume(streamType, direction, flags, callingPackage, uid);
}
@Override
public void adjustMasterVolumeForUid(int steps, int flags, String callingPackage,
int uid) {
adjustMasterVolume(steps, flags, 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 setMasterMuteForUid(boolean state, int flags, String callingPackage, IBinder cb,
int uid) {
setMasterMuteInternal(state, flags, callingPackage, cb, uid);
}
}
//==========================================================================================
// Audio policy management
//==========================================================================================
public String registerAudioPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb,
boolean hasFocusListener) {
if (DEBUG_AP) Log.d(TAG, "registerAudioPolicy for " + pcb.asBinder()
+ " with config:" + policyConfig);
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;
}
synchronized (mAudioPolicies) {
try {
if (mAudioPolicies.containsKey(pcb.asBinder())) {
Slog.e(TAG, "Cannot re-register policy");
return null;
}
AudioPolicyProxy app = new AudioPolicyProxy(policyConfig, pcb, hasFocusListener);
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) {
if (DEBUG_AP) Log.d(TAG, "unregisterAudioPolicyAsync for " + pcb.asBinder());
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
}
public int setFocusPropertiesForPolicy(int duckingBehavior, IAudioPolicyCallback pcb) {
if (DEBUG_AP) Log.d(TAG, "setFocusPropertiesForPolicy() duck behavior=" + duckingBehavior
+ " policy " + pcb.asBinder());
// error handling
boolean hasPermissionForPolicy =
(PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(
android.Manifest.permission.MODIFY_AUDIO_ROUTING));
if (!hasPermissionForPolicy) {
Slog.w(TAG, "Cannot change audio policy ducking handling for pid " +
+ Binder.getCallingPid() + " / uid "
+ Binder.getCallingUid() + ", need MODIFY_AUDIO_ROUTING");
return AudioManager.ERROR;
}
synchronized (mAudioPolicies) {
if (!mAudioPolicies.containsKey(pcb.asBinder())) {
Slog.e(TAG, "Cannot change audio policy focus properties, unregistered policy");
return AudioManager.ERROR;
}
final AudioPolicyProxy app = mAudioPolicies.get(pcb.asBinder());
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 void dumpAudioPolicies(PrintWriter pw) {
pw.println("\nAudio policies:");
synchronized (mAudioPolicies) {
for(AudioPolicyProxy policy : mAudioPolicies.values()) {
pw.println(policy.toLogFriendlyString());
}
}
}
//======================
// 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";
AudioPolicyConfig mConfig;
IAudioPolicyCallback mPolicyToken;
boolean mHasFocusListener;
/**
* 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;
AudioPolicyProxy(AudioPolicyConfig config, IAudioPolicyCallback token,
boolean hasFocusListener) {
super(config);
setRegistration(new String(config.hashCode() + ":ap:" + mAudioPolicyCounter++));
mPolicyToken = token;
mHasFocusListener = hasFocusListener;
if (mHasFocusListener) {
mMediaFocusControl.addFocusFollower(mPolicyToken);
}
connectMixes();
}
public void binderDied() {
synchronized (mAudioPolicies) {
Log.i(TAG, "audio policy " + mPolicyToken + " died");
release();
mAudioPolicies.remove(mPolicyToken.asBinder());
}
}
String getRegistrationId() {
return getRegistration();
}
void release() {
if (mFocusDuckBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) {
mMediaFocusControl.setDuckingInExtPolicyAvailable(false);
}
if (mHasFocusListener) {
mMediaFocusControl.removeFocusFollower(mPolicyToken);
}
AudioSystem.registerPolicyMixes(mMixes, false);
}
void connectMixes() {
AudioSystem.registerPolicyMixes(mMixes, true);
}
};
private HashMap<IBinder, AudioPolicyProxy> mAudioPolicies =
new HashMap<IBinder, AudioPolicyProxy>();
private int mAudioPolicyCounter = 0; // always accessed synchronized on mAudioPolicies
}
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