| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.audio; |
| |
| import static android.Manifest.permission.REMOTE_AUDIO_PLAYBACK; |
| import static android.media.AudioManager.RINGER_MODE_NORMAL; |
| import static android.media.AudioManager.RINGER_MODE_SILENT; |
| import static android.media.AudioManager.RINGER_MODE_VIBRATE; |
| import static android.media.AudioManager.STREAM_SYSTEM; |
| import static android.os.Process.FIRST_APPLICATION_UID; |
| import static android.provider.Settings.Secure.VOLUME_HUSH_MUTE; |
| import static android.provider.Settings.Secure.VOLUME_HUSH_OFF; |
| import static android.provider.Settings.Secure.VOLUME_HUSH_VIBRATE; |
| |
| import android.Manifest; |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.app.ActivityManagerInternal; |
| import android.app.AppGlobals; |
| import android.app.AppOpsManager; |
| import android.app.IUidObserver; |
| import android.app.NotificationManager; |
| import android.app.role.OnRoleHoldersChangedListener; |
| import android.app.role.RoleManager; |
| import android.bluetooth.BluetoothAdapter; |
| 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.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.content.res.Configuration; |
| import android.database.ContentObserver; |
| import android.hardware.hdmi.HdmiAudioSystemClient; |
| import android.hardware.hdmi.HdmiControlManager; |
| import android.hardware.hdmi.HdmiPlaybackClient; |
| import android.hardware.hdmi.HdmiTvClient; |
| import android.hardware.input.InputManager; |
| import android.hardware.usb.UsbManager; |
| import android.media.AudioAttributes; |
| import android.media.AudioFocusInfo; |
| import android.media.AudioFocusRequest; |
| import android.media.AudioFormat; |
| import android.media.AudioManager; |
| import android.media.AudioManagerInternal; |
| import android.media.AudioPlaybackConfiguration; |
| import android.media.AudioRecordingConfiguration; |
| import android.media.AudioRoutesInfo; |
| import android.media.AudioSystem; |
| import android.media.IAudioFocusDispatcher; |
| import android.media.IAudioRoutesObserver; |
| import android.media.IAudioServerStateDispatcher; |
| import android.media.IAudioService; |
| import android.media.IPlaybackConfigDispatcher; |
| import android.media.IRecordingConfigDispatcher; |
| import android.media.IRingtonePlayer; |
| import android.media.IVolumeController; |
| import android.media.MediaExtractor; |
| import android.media.MediaFormat; |
| import android.media.PlayerBase; |
| import android.media.VolumePolicy; |
| import android.media.audiofx.AudioEffect; |
| import android.media.audiopolicy.AudioMix; |
| import android.media.audiopolicy.AudioPolicy; |
| import android.media.audiopolicy.AudioPolicyConfig; |
| import android.media.audiopolicy.AudioProductStrategy; |
| import android.media.audiopolicy.AudioVolumeGroup; |
| import android.media.audiopolicy.IAudioPolicyCallback; |
| import android.media.projection.IMediaProjection; |
| import android.media.projection.IMediaProjectionCallback; |
| import android.media.projection.IMediaProjectionManager; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.UserManagerInternal; |
| import android.os.UserManagerInternal.UserRestrictionsListener; |
| import android.os.VibrationEffect; |
| import android.os.Vibrator; |
| import android.provider.Settings; |
| import android.provider.Settings.System; |
| import android.service.notification.ZenModeConfig; |
| import android.telecom.TelecomManager; |
| import android.text.TextUtils; |
| import android.util.AndroidRuntimeException; |
| import android.util.IntArray; |
| import android.util.Log; |
| import android.util.MathUtils; |
| import android.util.PrintWriterPrinter; |
| import android.util.Slog; |
| import android.util.SparseIntArray; |
| import android.view.KeyEvent; |
| import android.view.accessibility.AccessibilityManager; |
| import android.widget.Toast; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.util.DumpUtils; |
| import com.android.internal.util.Preconditions; |
| import com.android.server.EventLogTags; |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.audio.AudioServiceEvents.PhoneStateEvent; |
| import com.android.server.audio.AudioServiceEvents.VolumeEvent; |
| import com.android.server.pm.UserManagerService; |
| import com.android.server.wm.ActivityTaskManagerInternal; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Objects; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * The implementation of the audio service for volume, audio focus, device management... |
| * <p> |
| * This implementation focuses on delivering a responsive UI. Most methods are |
| * asynchronous to external calls. For example, the task of setting a volume |
| * will update our internal state, but in a separate thread will set the system |
| * volume and later persist to the database. Similarly, setting the ringer mode |
| * will update the state and broadcast a change and in a separate thread later |
| * persist the ringer mode. |
| * |
| * @hide |
| */ |
| public class AudioService extends IAudioService.Stub |
| implements AccessibilityManager.TouchExplorationStateChangeListener, |
| AccessibilityManager.AccessibilityServicesStateChangeListener { |
| |
| private static final String TAG = "AS.AudioService"; |
| |
| /** Debug audio mode */ |
| protected static final boolean DEBUG_MODE = false; |
| |
| /** Debug audio policy feature */ |
| protected static final boolean DEBUG_AP = false; |
| |
| /** Debug volumes */ |
| protected static final boolean DEBUG_VOL = false; |
| |
| /** debug calls to devices APIs */ |
| protected static final boolean DEBUG_DEVICES = false; |
| |
| /** How long to delay before persisting a change in volume/ringer mode. */ |
| private static final int PERSIST_DELAY = 500; |
| |
| /** How long to delay after a volume down event before unmuting a stream */ |
| private static final int UNMUTE_STREAM_DELAY = 350; |
| |
| /** |
| * Delay before disconnecting a device that would cause BECOMING_NOISY intent to be sent, |
| * to give a chance to applications to pause. |
| */ |
| @VisibleForTesting |
| public static final int BECOMING_NOISY_DELAY_MS = 1000; |
| |
| /** |
| * Only used in the result from {@link #checkForRingerModeChange(int, int, int)} |
| */ |
| private static final int FLAG_ADJUST_VOLUME = 1; |
| |
| private final Context mContext; |
| private final ContentResolver mContentResolver; |
| private final AppOpsManager mAppOps; |
| |
| // the platform type affects volume and silent mode behavior |
| private final int mPlatformType; |
| |
| // indicates whether the system maps all streams to a single stream. |
| private final boolean mIsSingleVolume; |
| |
| private boolean isPlatformVoice() { |
| return mPlatformType == AudioSystem.PLATFORM_VOICE; |
| } |
| |
| /*package*/ boolean isPlatformTelevision() { |
| return mPlatformType == AudioSystem.PLATFORM_TELEVISION; |
| } |
| |
| /*package*/ boolean isPlatformAutomotive() { |
| return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE); |
| } |
| |
| /** The controller for the volume UI. */ |
| private final VolumeController mVolumeController = new VolumeController(); |
| |
| // sendMsg() flags |
| /** If the msg is already queued, replace it with this one. */ |
| private static final int SENDMSG_REPLACE = 0; |
| /** If the msg is already queued, ignore this one and leave the old. */ |
| private static final int SENDMSG_NOOP = 1; |
| /** If the msg is already queued, queue this one and leave the old. */ |
| private static final int SENDMSG_QUEUE = 2; |
| |
| // AudioHandler messages |
| private static final int MSG_SET_DEVICE_VOLUME = 0; |
| private static final int MSG_PERSIST_VOLUME = 1; |
| private static final int MSG_PERSIST_RINGER_MODE = 3; |
| private static final int MSG_AUDIO_SERVER_DIED = 4; |
| private static final int MSG_PLAY_SOUND_EFFECT = 5; |
| private static final int MSG_LOAD_SOUND_EFFECTS = 7; |
| private static final int MSG_SET_FORCE_USE = 8; |
| private static final int MSG_BT_HEADSET_CNCT_FAILED = 9; |
| private static final int MSG_SET_ALL_VOLUMES = 10; |
| private static final int MSG_CHECK_MUSIC_ACTIVE = 11; |
| private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME = 12; |
| private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED = 13; |
| private static final int MSG_PERSIST_SAFE_VOLUME_STATE = 14; |
| private static final int MSG_UNLOAD_SOUND_EFFECTS = 15; |
| private static final int MSG_SYSTEM_READY = 16; |
| private static final int MSG_PERSIST_MUSIC_ACTIVE_MS = 17; |
| private static final int MSG_UNMUTE_STREAM = 18; |
| private static final int MSG_DYN_POLICY_MIX_STATE_UPDATE = 19; |
| private static final int MSG_INDICATE_SYSTEM_READY = 20; |
| private static final int MSG_ACCESSORY_PLUG_MEDIA_UNMUTE = 21; |
| private static final int MSG_NOTIFY_VOL_EVENT = 22; |
| private static final int MSG_DISPATCH_AUDIO_SERVER_STATE = 23; |
| private static final int MSG_ENABLE_SURROUND_FORMATS = 24; |
| private static final int MSG_UPDATE_RINGER_MODE = 25; |
| private static final int MSG_SET_DEVICE_STREAM_VOLUME = 26; |
| private static final int MSG_OBSERVE_DEVICES_FOR_ALL_STREAMS = 27; |
| private static final int MSG_HDMI_VOLUME_CHECK = 28; |
| private static final int MSG_PLAYBACK_CONFIG_CHANGE = 29; |
| // 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_DISABLE_AUDIO_FOR_UID = 100; |
| // end of messages handled under wakelock |
| |
| // retry delay in case of failure to indicate system ready to AudioFlinger |
| private static final int INDICATE_SYSTEM_READY_RETRY_DELAY_MS = 1000; |
| |
| /** @see AudioSystemThread */ |
| private AudioSystemThread mAudioSystemThread; |
| /** @see AudioHandler */ |
| private AudioHandler mAudioHandler; |
| /** @see VolumeStreamState */ |
| private VolumeStreamState[] mStreamStates; |
| |
| /*package*/ int getVssVolumeForDevice(int stream, int device) { |
| return mStreamStates[stream].getIndex(device); |
| } |
| |
| private SettingsObserver mSettingsObserver; |
| |
| private int mMode = AudioSystem.MODE_NORMAL; |
| // protects mRingerMode |
| private final Object mSettingsLock = new Object(); |
| |
| /** Maximum volume index values for audio streams */ |
| protected static int[] MAX_STREAM_VOLUME = new int[] { |
| 5, // STREAM_VOICE_CALL |
| 7, // STREAM_SYSTEM |
| 7, // STREAM_RING |
| 15, // STREAM_MUSIC |
| 7, // STREAM_ALARM |
| 7, // STREAM_NOTIFICATION |
| 15, // STREAM_BLUETOOTH_SCO |
| 7, // STREAM_SYSTEM_ENFORCED |
| 15, // STREAM_DTMF |
| 15, // STREAM_TTS |
| 15 // STREAM_ACCESSIBILITY |
| }; |
| |
| /** Minimum volume index values for audio streams */ |
| protected static int[] MIN_STREAM_VOLUME = new int[] { |
| 1, // STREAM_VOICE_CALL |
| 0, // STREAM_SYSTEM |
| 0, // STREAM_RING |
| 0, // STREAM_MUSIC |
| 1, // STREAM_ALARM |
| 0, // STREAM_NOTIFICATION |
| 0, // STREAM_BLUETOOTH_SCO |
| 0, // STREAM_SYSTEM_ENFORCED |
| 0, // STREAM_DTMF |
| 0, // STREAM_TTS |
| 1 // STREAM_ACCESSIBILITY |
| }; |
| |
| /* mStreamVolumeAlias[] indicates for each stream if it uses the volume settings |
| * of another stream: This avoids multiplying the volume settings for hidden |
| * stream types that follow other stream behavior for volume settings |
| * NOTE: do not create loops in aliases! |
| * Some streams alias to different streams according to device category (phone or tablet) or |
| * use case (in call vs off call...). See updateStreamVolumeAlias() for more details. |
| * mStreamVolumeAlias contains STREAM_VOLUME_ALIAS_VOICE aliases for a voice capable device |
| * (phone), STREAM_VOLUME_ALIAS_TELEVISION for a television or set-top box and |
| * STREAM_VOLUME_ALIAS_DEFAULT for other devices (e.g. tablets).*/ |
| private final int[] STREAM_VOLUME_ALIAS_VOICE = new int[] { |
| AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL |
| AudioSystem.STREAM_RING, // STREAM_SYSTEM |
| AudioSystem.STREAM_RING, // STREAM_RING |
| AudioSystem.STREAM_MUSIC, // STREAM_MUSIC |
| AudioSystem.STREAM_ALARM, // STREAM_ALARM |
| AudioSystem.STREAM_RING, // STREAM_NOTIFICATION |
| AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO |
| AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED |
| AudioSystem.STREAM_RING, // STREAM_DTMF |
| AudioSystem.STREAM_MUSIC, // STREAM_TTS |
| AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY |
| }; |
| private final int[] STREAM_VOLUME_ALIAS_TELEVISION = new int[] { |
| AudioSystem.STREAM_MUSIC, // STREAM_VOICE_CALL |
| AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM |
| AudioSystem.STREAM_MUSIC, // STREAM_RING |
| AudioSystem.STREAM_MUSIC, // STREAM_MUSIC |
| AudioSystem.STREAM_MUSIC, // STREAM_ALARM |
| AudioSystem.STREAM_MUSIC, // STREAM_NOTIFICATION |
| AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO |
| AudioSystem.STREAM_MUSIC, // STREAM_SYSTEM_ENFORCED |
| AudioSystem.STREAM_MUSIC, // STREAM_DTMF |
| AudioSystem.STREAM_MUSIC, // STREAM_TTS |
| AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY |
| }; |
| private final int[] STREAM_VOLUME_ALIAS_DEFAULT = new int[] { |
| AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL |
| AudioSystem.STREAM_RING, // STREAM_SYSTEM |
| AudioSystem.STREAM_RING, // STREAM_RING |
| AudioSystem.STREAM_MUSIC, // STREAM_MUSIC |
| AudioSystem.STREAM_ALARM, // STREAM_ALARM |
| AudioSystem.STREAM_RING, // STREAM_NOTIFICATION |
| AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO |
| AudioSystem.STREAM_RING, // STREAM_SYSTEM_ENFORCED |
| AudioSystem.STREAM_RING, // STREAM_DTMF |
| AudioSystem.STREAM_MUSIC, // STREAM_TTS |
| AudioSystem.STREAM_MUSIC // STREAM_ACCESSIBILITY |
| }; |
| protected static int[] mStreamVolumeAlias; |
| |
| /** |
| * Map AudioSystem.STREAM_* constants to app ops. This should be used |
| * after mapping through mStreamVolumeAlias. |
| */ |
| private static final int[] STREAM_VOLUME_OPS = new int[] { |
| AppOpsManager.OP_AUDIO_VOICE_VOLUME, // STREAM_VOICE_CALL |
| AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_SYSTEM |
| AppOpsManager.OP_AUDIO_RING_VOLUME, // STREAM_RING |
| AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_MUSIC |
| AppOpsManager.OP_AUDIO_ALARM_VOLUME, // STREAM_ALARM |
| AppOpsManager.OP_AUDIO_NOTIFICATION_VOLUME, // STREAM_NOTIFICATION |
| AppOpsManager.OP_AUDIO_BLUETOOTH_VOLUME, // STREAM_BLUETOOTH_SCO |
| AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_SYSTEM_ENFORCED |
| AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_DTMF |
| AppOpsManager.OP_AUDIO_MEDIA_VOLUME, // STREAM_TTS |
| AppOpsManager.OP_AUDIO_ACCESSIBILITY_VOLUME, // STREAM_ACCESSIBILITY |
| }; |
| |
| private final boolean mUseFixedVolume; |
| |
| /** |
| * Default stream type used for volume control in the absence of playback |
| * e.g. user on homescreen, no app playing anything, presses hardware volume buttons, this |
| * stream type is controlled. |
| */ |
| protected static final int DEFAULT_VOL_STREAM_NO_PLAYBACK = AudioSystem.STREAM_MUSIC; |
| |
| private final AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { |
| public void onError(int error) { |
| switch (error) { |
| case AudioSystem.AUDIO_STATUS_SERVER_DIED: |
| mRecordMonitor.onAudioServerDied(); |
| |
| sendMsg(mAudioHandler, MSG_AUDIO_SERVER_DIED, |
| SENDMSG_NOOP, 0, 0, null, 0); |
| sendMsg(mAudioHandler, MSG_DISPATCH_AUDIO_SERVER_STATE, |
| SENDMSG_QUEUE, 0, 0, null, 0); |
| break; |
| default: |
| break; |
| } |
| } |
| }; |
| |
| /** |
| * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, |
| * {@link AudioManager#RINGER_MODE_SILENT}, or |
| * {@link AudioManager#RINGER_MODE_VIBRATE}. |
| */ |
| @GuardedBy("mSettingsLock") |
| private int mRingerMode; // internal ringer mode, affects muting of underlying streams |
| @GuardedBy("mSettingsLock") |
| private int mRingerModeExternal = -1; // reported ringer mode to outside clients (AudioManager) |
| |
| /** @see System#MODE_RINGER_STREAMS_AFFECTED */ |
| private int mRingerModeAffectedStreams = 0; |
| |
| private int mZenModeAffectedStreams = 0; |
| |
| // Streams currently muted by ringer mode and dnd |
| private int mRingerAndZenModeMutedStreams; |
| |
| /** Streams that can be muted. Do not resolve to aliases when checking. |
| * @see System#MUTE_STREAMS_AFFECTED */ |
| private int mMuteAffectedStreams; |
| |
| @NonNull |
| private SoundEffectsHelper mSfxHelper; |
| |
| /** |
| * NOTE: setVibrateSetting(), getVibrateSetting(), shouldVibrate() are deprecated. |
| * mVibrateSetting is just maintained during deprecation period but vibration policy is |
| * now only controlled by mHasVibrator and mRingerMode |
| */ |
| private int mVibrateSetting; |
| |
| // Is there a vibrator |
| private final boolean mHasVibrator; |
| // Used to play vibrations |
| private Vibrator mVibrator; |
| private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder() |
| .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) |
| .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION) |
| .build(); |
| |
| // Broadcast receiver for device connections intent broadcasts |
| private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); |
| |
| private IMediaProjectionManager mProjectionService; // to validate projection token |
| |
| /** Interface for UserManagerService. */ |
| private final UserManagerInternal mUserManagerInternal; |
| private final ActivityManagerInternal mActivityManagerInternal; |
| |
| private final UserRestrictionsListener mUserRestrictionsListener = |
| new AudioServiceUserRestrictionsListener(); |
| |
| // 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>(); |
| |
| private volatile int mCurrentModeOwnerPid = 0; |
| |
| // true if boot sequence has been completed |
| private boolean mSystemReady; |
| // true if Intent.ACTION_USER_SWITCHED has ever been received |
| private boolean mUserSwitchedReceived; |
| // previous volume adjustment direction received by checkForRingerModeChange() |
| private int mPrevVolDirection = AudioManager.ADJUST_SAME; |
| // mVolumeControlStream is set by VolumePanel to temporarily force the stream type which volume |
| // is controlled by Vol keys. |
| private int mVolumeControlStream = -1; |
| // interpretation of whether the volume stream has been selected by the user by clicking on a |
| // volume slider to change which volume is controlled by the volume keys. Is false |
| // when mVolumeControlStream is -1. |
| private boolean mUserSelectedVolumeControlStream = false; |
| private final Object mForceControlStreamLock = new Object(); |
| // VolumePanel is currently the only client of forceVolumeControlStream() and runs in system |
| // server process so in theory it is not necessary to monitor the client death. |
| // However it is good to be ready for future evolutions. |
| private ForceControlStreamClient mForceControlStreamClient = null; |
| // Used to play ringtones outside system_server |
| private volatile IRingtonePlayer mRingtonePlayer; |
| |
| // Devices for which the volume is fixed (volume is either max or muted) |
| 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; |
| // Devices for which the volume is always max, no volume panel |
| int mFullVolumeDevices = 0; |
| // Devices for the which use the "absolute volume" concept (framework sends audio signal |
| // full scale, and volume control separately) and can be used for multiple use cases reflected |
| // by the audio mode (e.g. media playback in MODE_NORMAL, and phone calls in MODE_IN_CALL). |
| int mAbsVolumeMultiModeCaseDevices = AudioSystem.DEVICE_OUT_HEARING_AID; |
| |
| 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; |
| |
| // Pre-scale for Bluetooth Absolute Volume |
| private float[] mPrescaleAbsoluteVolume = new float[] { |
| 0.5f, // Pre-scale for index 1 |
| 0.7f, // Pre-scale for index 2 |
| 0.85f, // Pre-scale for index 3 |
| }; |
| |
| private NotificationManager mNm; |
| private AudioManagerInternal.RingerModeDelegate mRingerModeDelegate; |
| private VolumePolicy mVolumePolicy = VolumePolicy.DEFAULT; |
| private long mLoweredFromNormalToVibrateTime; |
| |
| // Array of Uids of valid accessibility services to check if caller is one of them |
| private int[] mAccessibilityServiceUids; |
| private final Object mAccessibilityServiceUidsLock = new Object(); |
| |
| private int mEncodedSurroundMode; |
| private String mEnabledSurroundFormats; |
| private boolean mSurroundModeChanged; |
| |
| private boolean mMicMuteFromSwitch; |
| private boolean mMicMuteFromApi; |
| private boolean mMicMuteFromRestrictions; |
| |
| @GuardedBy("mSettingsLock") |
| private int mAssistantUid; |
| |
| // Defines the format for the connection "address" for ALSA devices |
| public static String makeAlsaAddressString(int card, int device) { |
| return "card=" + card + ";device=" + device + ";"; |
| } |
| |
| public static final class Lifecycle extends SystemService { |
| private AudioService mService; |
| |
| public Lifecycle(Context context) { |
| super(context); |
| mService = new AudioService(context); |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.AUDIO_SERVICE, mService); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) { |
| mService.systemReady(); |
| } |
| } |
| } |
| |
| final private IUidObserver mUidObserver = new IUidObserver.Stub() { |
| @Override public void onUidStateChanged(int uid, int procState, long procStateSeq) { |
| } |
| |
| @Override public void onUidGone(int uid, boolean disabled) { |
| // Once the uid is no longer running, no need to keep trying to disable its audio. |
| disableAudioForUid(false, uid); |
| } |
| |
| @Override public void onUidActive(int uid) throws RemoteException { |
| } |
| |
| @Override public void onUidIdle(int uid, boolean disabled) { |
| } |
| |
| @Override public void onUidCachedChanged(int uid, boolean cached) { |
| disableAudioForUid(cached, uid); |
| } |
| |
| private void disableAudioForUid(boolean disable, int uid) { |
| queueMsgUnderWakeLock(mAudioHandler, MSG_DISABLE_AUDIO_FOR_UID, |
| disable ? 1 : 0 /* arg1 */, uid /* arg2 */, |
| null /* obj */, 0 /* delay */); |
| } |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Construction |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** @hide */ |
| public AudioService(Context context) { |
| mContext = context; |
| mContentResolver = context.getContentResolver(); |
| mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
| |
| mPlatformType = AudioSystem.getPlatformType(context); |
| |
| mIsSingleVolume = AudioSystem.isSingleVolume(context); |
| |
| mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); |
| mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class); |
| |
| PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| mAudioEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleAudioEvent"); |
| |
| mSfxHelper = new SoundEffectsHelper(mContext); |
| |
| mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); |
| mHasVibrator = mVibrator == null ? false : mVibrator.hasVibrator(); |
| |
| // Initialize volume |
| // Priority 1 - Android Property |
| // Priority 2 - Audio Policy Service |
| // Priority 3 - Default Value |
| if (AudioProductStrategy.getAudioProductStrategies().size() > 0) { |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| AudioAttributes attr = |
| AudioProductStrategy.getAudioAttributesForStrategyWithLegacyStreamType( |
| streamType); |
| int maxVolume = AudioSystem.getMaxVolumeIndexForAttributes(attr); |
| if (maxVolume != -1) { |
| MAX_STREAM_VOLUME[streamType] = maxVolume; |
| } |
| int minVolume = AudioSystem.getMinVolumeIndexForAttributes(attr); |
| if (minVolume != -1) { |
| MIN_STREAM_VOLUME[streamType] = minVolume; |
| } |
| } |
| } |
| |
| int maxCallVolume = SystemProperties.getInt("ro.config.vc_call_vol_steps", -1); |
| if (maxCallVolume != -1) { |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = maxCallVolume; |
| } |
| |
| int defaultCallVolume = SystemProperties.getInt("ro.config.vc_call_vol_default", -1); |
| if (defaultCallVolume != -1 && |
| defaultCallVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] && |
| defaultCallVolume >= MIN_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = defaultCallVolume; |
| } else { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = |
| (maxCallVolume * 3) / 4; |
| } |
| |
| int maxMusicVolume = SystemProperties.getInt("ro.config.media_vol_steps", -1); |
| if (maxMusicVolume != -1) { |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = maxMusicVolume; |
| } |
| |
| int defaultMusicVolume = SystemProperties.getInt("ro.config.media_vol_default", -1); |
| if (defaultMusicVolume != -1 && |
| defaultMusicVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] && |
| defaultMusicVolume >= MIN_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = defaultMusicVolume; |
| } else { |
| if (isPlatformTelevision()) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] / 4; |
| } else { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] = |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC] / 3; |
| } |
| } |
| |
| int maxAlarmVolume = SystemProperties.getInt("ro.config.alarm_vol_steps", -1); |
| if (maxAlarmVolume != -1) { |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM] = maxAlarmVolume; |
| } |
| |
| int defaultAlarmVolume = SystemProperties.getInt("ro.config.alarm_vol_default", -1); |
| if (defaultAlarmVolume != -1 && |
| defaultAlarmVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM]) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_ALARM] = defaultAlarmVolume; |
| } else { |
| // Default is 6 out of 7 (default maximum), so scale accordingly. |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_ALARM] = |
| 6 * MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM] / 7; |
| } |
| |
| int maxSystemVolume = SystemProperties.getInt("ro.config.system_vol_steps", -1); |
| if (maxSystemVolume != -1) { |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] = maxSystemVolume; |
| } |
| |
| int defaultSystemVolume = SystemProperties.getInt("ro.config.system_vol_default", -1); |
| if (defaultSystemVolume != -1 && |
| defaultSystemVolume <= MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM]) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] = defaultSystemVolume; |
| } else { |
| // Default is to use maximum. |
| AudioSystem.DEFAULT_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM] = |
| MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM]; |
| } |
| |
| createAudioSystemThread(); |
| |
| AudioSystem.setErrorCallback(mAudioSystemCallback); |
| |
| boolean cameraSoundForced = readCameraSoundForced(); |
| mCameraSoundForced = new Boolean(cameraSoundForced); |
| sendMsg(mAudioHandler, |
| MSG_SET_FORCE_USE, |
| SENDMSG_QUEUE, |
| AudioSystem.FOR_SYSTEM, |
| cameraSoundForced ? |
| AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE, |
| new String("AudioService ctor"), |
| 0); |
| |
| mSafeMediaVolumeState = 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); |
| |
| mDeviceBroker = new AudioDeviceBroker(mContext, this); |
| |
| // must be called before readPersistedSettings() which needs a valid mStreamVolumeAlias[] |
| // array initialized by updateStreamVolumeAlias() |
| updateStreamVolumeAlias(false /*updateVolumes*/, TAG); |
| readPersistedSettings(); |
| readUserRestrictions(); |
| mSettingsObserver = new SettingsObserver(); |
| createStreamStates(); |
| |
| // mSafeUsbMediaVolumeIndex must be initialized after createStreamStates() because it |
| // relies on audio policy having correct ranges for volume indexes. |
| mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex(); |
| |
| mPlaybackMonitor = |
| new PlaybackActivityMonitor(context, MAX_STREAM_VOLUME[AudioSystem.STREAM_ALARM]); |
| |
| mMediaFocusControl = new MediaFocusControl(mContext, mPlaybackMonitor); |
| |
| mRecordMonitor = new RecordingActivityMonitor(mContext); |
| |
| readAndSetLowRamDevice(); |
| |
| // Call setRingerModeInt() to apply correct mute |
| // state on streams affected by ringer mode. |
| mRingerAndZenModeMutedStreams = 0; |
| setRingerModeInt(getRingerModeInternal(), false); |
| |
| // Register for device connection intent broadcasts. |
| IntentFilter intentFilter = |
| new IntentFilter(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); |
| intentFilter.addAction(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_DOCK_EVENT); |
| intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| intentFilter.addAction(Intent.ACTION_USER_SWITCHED); |
| intentFilter.addAction(Intent.ACTION_USER_BACKGROUND); |
| intentFilter.addAction(Intent.ACTION_USER_FOREGROUND); |
| intentFilter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED); |
| intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_PACKAGES_SUSPENDED); |
| |
| intentFilter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); |
| mMonitorRotation = SystemProperties.getBoolean("ro.audio.monitorRotation", false); |
| if (mMonitorRotation) { |
| RotationHelper.init(mContext, mAudioHandler); |
| } |
| |
| intentFilter.addAction(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION); |
| intentFilter.addAction(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION); |
| |
| context.registerReceiverAsUser(mReceiver, UserHandle.ALL, intentFilter, null, null); |
| |
| LocalServices.addService(AudioManagerInternal.class, new AudioServiceInternal()); |
| |
| mUserManagerInternal.addUserRestrictionsListener(mUserRestrictionsListener); |
| |
| mRecordMonitor.initMonitor(); |
| |
| final float[] preScale = new float[3]; |
| preScale[0] = mContext.getResources().getFraction( |
| com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index1, |
| 1, 1); |
| preScale[1] = mContext.getResources().getFraction( |
| com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index2, |
| 1, 1); |
| preScale[2] = mContext.getResources().getFraction( |
| com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index3, |
| 1, 1); |
| for (int i = 0; i < preScale.length; i++) { |
| if (0.0f <= preScale[i] && preScale[i] <= 1.0f) { |
| mPrescaleAbsoluteVolume[i] = preScale[i]; |
| } |
| } |
| } |
| |
| public void systemReady() { |
| sendMsg(mAudioHandler, MSG_SYSTEM_READY, SENDMSG_QUEUE, |
| 0, 0, null, 0); |
| if (false) { |
| // This is turned off for now, because it is racy and thus causes apps to break. |
| // Currently banning a uid means that if an app tries to start playing an audio |
| // stream, that will be preventing, and unbanning it will not allow that stream |
| // to resume. However these changes in uid state are racy with what the app is doing, |
| // so that after taking a process out of the cached state we can't guarantee that |
| // we will unban the uid before the app actually tries to start playing audio. |
| // (To do that, the activity manager would need to wait until it knows for sure |
| // that the ban has been removed, before telling the app to do whatever it is |
| // supposed to do that caused it to go out of the cached state.) |
| try { |
| ActivityManager.getService().registerUidObserver(mUidObserver, |
| ActivityManager.UID_OBSERVER_CACHED | ActivityManager.UID_OBSERVER_GONE, |
| ActivityManager.PROCESS_STATE_UNKNOWN, null); |
| } catch (RemoteException e) { |
| // ignored; both services live in system_server |
| } |
| } |
| } |
| |
| public void onSystemReady() { |
| mSystemReady = true; |
| scheduleLoadSoundEffects(); |
| |
| mDeviceBroker.onSystemReady(); |
| |
| if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_HDMI_CEC)) { |
| synchronized (mHdmiClientLock) { |
| mHdmiCecSink = false; |
| mHdmiManager = mContext.getSystemService(HdmiControlManager.class); |
| if (mHdmiManager != null) { |
| mHdmiManager.addHdmiControlStatusChangeListener( |
| mHdmiControlStatusChangeListenerCallback); |
| } |
| mHdmiTvClient = mHdmiManager.getTvClient(); |
| if (mHdmiTvClient != null) { |
| mFixedVolumeDevices &= ~AudioSystem.DEVICE_ALL_HDMI_SYSTEM_AUDIO_AND_SPEAKER; |
| } |
| mHdmiPlaybackClient = mHdmiManager.getPlaybackClient(); |
| if (mHdmiPlaybackClient != null) { |
| // not a television: HDMI output will be always at max |
| mFixedVolumeDevices &= ~AudioSystem.DEVICE_OUT_HDMI; |
| mFullVolumeDevices |= AudioSystem.DEVICE_OUT_HDMI; |
| } |
| mHdmiAudioSystemClient = mHdmiManager.getAudioSystemClient(); |
| } |
| } |
| |
| mNm = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| |
| sendMsg(mAudioHandler, |
| MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| TAG, |
| SystemProperties.getBoolean("audio.safemedia.bypass", false) ? |
| 0 : SAFE_VOLUME_CONFIGURE_TIMEOUT_MS); |
| |
| initA11yMonitoring(); |
| |
| mRoleObserver = new RoleObserver(); |
| mRoleObserver.register(); |
| |
| onIndicateSystemReady(); |
| |
| setMicMuteFromSwitchInput(); |
| } |
| |
| RoleObserver mRoleObserver; |
| |
| class RoleObserver implements OnRoleHoldersChangedListener { |
| private RoleManager mRm; |
| private final Executor mExecutor; |
| |
| RoleObserver() { |
| mExecutor = mContext.getMainExecutor(); |
| } |
| |
| public void register() { |
| mRm = (RoleManager) mContext.getSystemService(Context.ROLE_SERVICE); |
| if (mRm != null) { |
| mRm.addOnRoleHoldersChangedListenerAsUser(mExecutor, this, UserHandle.ALL); |
| updateAssistantUId(true); |
| } |
| } |
| |
| @Override |
| public void onRoleHoldersChanged(@NonNull String roleName, @NonNull UserHandle user) { |
| if (RoleManager.ROLE_ASSISTANT.equals(roleName)) { |
| updateAssistantUId(false); |
| } |
| } |
| |
| public String getAssistantRoleHolder() { |
| String assitantPackage = ""; |
| if (mRm != null) { |
| List<String> assistants = mRm.getRoleHolders(RoleManager.ROLE_ASSISTANT); |
| assitantPackage = assistants.size() == 0 ? "" : assistants.get(0); |
| } |
| return assitantPackage; |
| } |
| } |
| |
| void onIndicateSystemReady() { |
| if (AudioSystem.systemReady() == AudioSystem.SUCCESS) { |
| return; |
| } |
| sendMsg(mAudioHandler, |
| MSG_INDICATE_SYSTEM_READY, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| null, |
| INDICATE_SYSTEM_READY_RETRY_DELAY_MS); |
| } |
| |
| public void onAudioServerDied() { |
| if (!mSystemReady || |
| (AudioSystem.checkAudioFlinger() != AudioSystem.AUDIO_STATUS_OK)) { |
| Log.e(TAG, "Audioserver died."); |
| sendMsg(mAudioHandler, MSG_AUDIO_SERVER_DIED, SENDMSG_NOOP, 0, 0, |
| null, 500); |
| return; |
| } |
| Log.e(TAG, "Audioserver started."); |
| |
| // indicate to audio HAL that we start the reconfiguration phase after a media |
| // server crash |
| // Note that we only execute this when the media server |
| // process restarts after a crash, not the first time it is started. |
| AudioSystem.setParameters("restarting=true"); |
| |
| readAndSetLowRamDevice(); |
| |
| // Restore device connection states, BT state |
| mDeviceBroker.onAudioServerDied(); |
| |
| // Restore call state |
| if (AudioSystem.setPhoneState(mMode) == AudioSystem.AUDIO_STATUS_OK) { |
| mModeLogger.log(new AudioEventLogger.StringEvent( |
| "onAudioServerDied causes setPhoneState(" + AudioSystem.modeToString(mMode) + ")")); |
| } |
| |
| final int forSys; |
| synchronized (mSettingsLock) { |
| forSys = mCameraSoundForced ? |
| AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE; |
| } |
| |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_SYSTEM, forSys, "onAudioServerDied"); |
| |
| // Restore stream volumes |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| AudioSystem.initStreamVolume( |
| streamType, streamState.mIndexMin / 10, streamState.mIndexMax / 10); |
| |
| streamState.applyAllVolumes(); |
| } |
| |
| // Restore mono mode |
| updateMasterMono(mContentResolver); |
| |
| // Restore audio balance |
| updateMasterBalance(mContentResolver); |
| |
| // Restore ringer mode |
| setRingerModeInt(getRingerModeInternal(), false); |
| |
| // Reset device rotation (if monitored for this device) |
| if (mMonitorRotation) { |
| RotationHelper.updateOrientation(); |
| } |
| |
| synchronized (mSettingsLock) { |
| final int forDock = mDockAudioMediaEnabled ? |
| AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE; |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_DOCK, forDock, "onAudioServerDied"); |
| sendEncodedSurroundMode(mContentResolver, "onAudioServerDied"); |
| sendEnabledSurroundFormats(mContentResolver, true); |
| updateAssistantUId(true); |
| updateRttEanbled(mContentResolver); |
| } |
| synchronized (mAccessibilityServiceUidsLock) { |
| AudioSystem.setA11yServicesUids(mAccessibilityServiceUids); |
| } |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager != null && mHdmiTvClient != null) { |
| setHdmiSystemAudioSupported(mHdmiSystemAudioSupported); |
| } |
| } |
| |
| synchronized (mAudioPolicies) { |
| for (AudioPolicyProxy policy : mAudioPolicies.values()) { |
| final int status = policy.connectMixes(); |
| if (status != AudioSystem.SUCCESS) { |
| // note that PERMISSION_DENIED may also indicate trouble getting to APService |
| Log.e(TAG, "onAudioServerDied: error " |
| + AudioSystem.audioSystemErrorToString(status) |
| + " when connecting mixes for policy " + policy.toLogFriendlyString()); |
| policy.release(); |
| } |
| } |
| } |
| |
| onIndicateSystemReady(); |
| // indicate the end of reconfiguration phase to audio HAL |
| AudioSystem.setParameters("restarting=false"); |
| |
| sendMsg(mAudioHandler, MSG_DISPATCH_AUDIO_SERVER_STATE, |
| SENDMSG_QUEUE, 1, 0, null, 0); |
| |
| setMicMuteFromSwitchInput(); |
| } |
| |
| private void onDispatchAudioServerStateChange(boolean state) { |
| synchronized (mAudioServerStateListeners) { |
| for (AsdProxy asdp : mAudioServerStateListeners.values()) { |
| try { |
| asdp.callback().dispatchAudioServerStateChange(state); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Could not call dispatchAudioServerStateChange()", e); |
| } |
| } |
| } |
| } |
| |
| private void createAudioSystemThread() { |
| mAudioSystemThread = new AudioSystemThread(); |
| mAudioSystemThread.start(); |
| waitForAudioHandlerCreation(); |
| } |
| |
| /** Waits for the volume handler to be created by the other thread. */ |
| private void waitForAudioHandlerCreation() { |
| synchronized(this) { |
| while (mAudioHandler == null) { |
| try { |
| // Wait for mAudioHandler to be set by the other thread |
| wait(); |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Interrupted while waiting on volume handler."); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @return the {@link android.media.audiopolicy.AudioProductStrategy} discovered from the |
| * platform configuration file. |
| */ |
| @NonNull |
| public List<AudioProductStrategy> getAudioProductStrategies() { |
| return AudioProductStrategy.getAudioProductStrategies(); |
| } |
| |
| /** |
| * @return the List of {@link android.media.audiopolicy.AudioVolumeGroup} discovered from the |
| * platform configuration file. |
| */ |
| @NonNull |
| public List<AudioVolumeGroup> getAudioVolumeGroups() { |
| return AudioVolumeGroup.getAudioVolumeGroups(); |
| } |
| |
| private void checkAllAliasStreamVolumes() { |
| synchronized (mSettingsLock) { |
| synchronized (VolumeStreamState.class) { |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = 0; streamType < numStreamTypes; streamType++) { |
| mStreamStates[streamType] |
| .setAllIndexes(mStreamStates[mStreamVolumeAlias[streamType]], TAG); |
| // apply stream volume |
| if (!mStreamStates[streamType].mIsMuted) { |
| mStreamStates[streamType].applyAllVolumes(); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Called from AudioDeviceBroker when DEVICE_OUT_HDMI is connected or disconnected. |
| */ |
| /*package*/ void postCheckVolumeCecOnHdmiConnection( |
| @AudioService.ConnectionState int state, String caller) { |
| sendMsg(mAudioHandler, MSG_HDMI_VOLUME_CHECK, SENDMSG_REPLACE, |
| state /*arg1*/, 0 /*arg2 ignored*/, caller /*obj*/, 0 /*delay*/); |
| } |
| |
| private void onCheckVolumeCecOnHdmiConnection( |
| @AudioService.ConnectionState int state, String caller) { |
| if (state == AudioService.CONNECTION_STATE_CONNECTED) { |
| // DEVICE_OUT_HDMI is now connected |
| if ((AudioSystem.DEVICE_OUT_HDMI & mSafeMediaVolumeDevices) != 0) { |
| sendMsg(mAudioHandler, |
| MSG_CHECK_MUSIC_ACTIVE, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| caller, |
| MUSIC_ACTIVE_POLL_PERIOD_MS); |
| } |
| |
| if (isPlatformTelevision()) { |
| checkAddAllFixedVolumeDevices(AudioSystem.DEVICE_OUT_HDMI, caller); |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager != null && mHdmiPlaybackClient != null) { |
| updateHdmiCecSinkLocked(mHdmiCecSink | false); |
| } |
| } |
| } |
| sendEnabledSurroundFormats(mContentResolver, true); |
| } else { |
| // DEVICE_OUT_HDMI disconnected |
| if (isPlatformTelevision()) { |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager != null) { |
| updateHdmiCecSinkLocked(mHdmiCecSink | false); |
| } |
| } |
| } |
| } |
| } |
| |
| private void checkAddAllFixedVolumeDevices(int device, String caller) { |
| final int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = 0; streamType < numStreamTypes; streamType++) { |
| if (!mStreamStates[streamType].hasIndexForDevice(device)) { |
| // set the default value, if device is affected by a full/fix/abs volume rule, it |
| // will taken into account in checkFixedVolumeDevices() |
| mStreamStates[streamType].setIndex( |
| mStreamStates[mStreamVolumeAlias[streamType]] |
| .getIndex(AudioSystem.DEVICE_OUT_DEFAULT), |
| device, caller); |
| } |
| mStreamStates[streamType].checkFixedVolumeDevices(); |
| } |
| } |
| |
| private void checkAllFixedVolumeDevices() |
| { |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = 0; streamType < numStreamTypes; streamType++) { |
| mStreamStates[streamType].checkFixedVolumeDevices(); |
| } |
| } |
| |
| private void checkAllFixedVolumeDevices(int streamType) { |
| mStreamStates[streamType].checkFixedVolumeDevices(); |
| } |
| |
| private void checkMuteAffectedStreams() { |
| // any stream with a min level > 0 is not muteable by definition |
| // STREAM_VOICE_CALL and STREAM_BLUETOOTH_SCO can be muted by applications |
| // that has the the MODIFY_PHONE_STATE permission. |
| for (int i = 0; i < mStreamStates.length; i++) { |
| final VolumeStreamState vss = mStreamStates[i]; |
| if (vss.mIndexMin > 0 && |
| (vss.mStreamType != AudioSystem.STREAM_VOICE_CALL && |
| vss.mStreamType != AudioSystem.STREAM_BLUETOOTH_SCO)) { |
| mMuteAffectedStreams &= ~(1 << vss.mStreamType); |
| } |
| } |
| } |
| |
| private void createStreamStates() { |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; |
| |
| for (int i = 0; i < numStreamTypes; i++) { |
| streams[i] = |
| new VolumeStreamState(System.VOLUME_SETTINGS_INT[mStreamVolumeAlias[i]], i); |
| } |
| |
| checkAllFixedVolumeDevices(); |
| checkAllAliasStreamVolumes(); |
| checkMuteAffectedStreams(); |
| updateDefaultVolumes(); |
| } |
| |
| // Update default indexes from aliased streams. Must be called after mStreamStates is created |
| private void updateDefaultVolumes() { |
| for (int stream = 0; stream < mStreamStates.length; stream++) { |
| if (stream != mStreamVolumeAlias[stream]) { |
| AudioSystem.DEFAULT_STREAM_VOLUME[stream] = rescaleIndex( |
| AudioSystem.DEFAULT_STREAM_VOLUME[mStreamVolumeAlias[stream]], |
| mStreamVolumeAlias[stream], |
| stream); |
| } |
| } |
| } |
| |
| private void dumpStreamStates(PrintWriter pw) { |
| pw.println("\nStream volumes (device: index)"); |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int i = 0; i < numStreamTypes; i++) { |
| pw.println("- " + AudioSystem.STREAM_NAMES[i] + ":"); |
| mStreamStates[i].dump(pw); |
| pw.println(""); |
| } |
| pw.print("\n- mute affected streams = 0x"); |
| pw.println(Integer.toHexString(mMuteAffectedStreams)); |
| } |
| |
| private void updateStreamVolumeAlias(boolean updateVolumes, String caller) { |
| int dtmfStreamAlias; |
| final int a11yStreamAlias = sIndependentA11yVolume ? |
| AudioSystem.STREAM_ACCESSIBILITY : AudioSystem.STREAM_MUSIC; |
| |
| if (mIsSingleVolume) { |
| mStreamVolumeAlias = STREAM_VOLUME_ALIAS_TELEVISION; |
| dtmfStreamAlias = AudioSystem.STREAM_MUSIC; |
| } else { |
| switch (mPlatformType) { |
| case AudioSystem.PLATFORM_VOICE: |
| mStreamVolumeAlias = STREAM_VOLUME_ALIAS_VOICE; |
| dtmfStreamAlias = AudioSystem.STREAM_RING; |
| break; |
| default: |
| mStreamVolumeAlias = STREAM_VOLUME_ALIAS_DEFAULT; |
| dtmfStreamAlias = AudioSystem.STREAM_MUSIC; |
| } |
| } |
| |
| if (mIsSingleVolume) { |
| mRingerModeAffectedStreams = 0; |
| } else { |
| if (isInCommunication()) { |
| dtmfStreamAlias = AudioSystem.STREAM_VOICE_CALL; |
| mRingerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_DTMF); |
| } else { |
| mRingerModeAffectedStreams |= (1 << AudioSystem.STREAM_DTMF); |
| } |
| } |
| |
| mStreamVolumeAlias[AudioSystem.STREAM_DTMF] = dtmfStreamAlias; |
| mStreamVolumeAlias[AudioSystem.STREAM_ACCESSIBILITY] = a11yStreamAlias; |
| |
| if (updateVolumes && mStreamStates != null) { |
| updateDefaultVolumes(); |
| |
| synchronized (mSettingsLock) { |
| synchronized (VolumeStreamState.class) { |
| mStreamStates[AudioSystem.STREAM_DTMF] |
| .setAllIndexes(mStreamStates[dtmfStreamAlias], caller); |
| mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].mVolumeIndexSettingName = |
| System.VOLUME_SETTINGS_INT[a11yStreamAlias]; |
| mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].setAllIndexes( |
| mStreamStates[a11yStreamAlias], caller); |
| } |
| } |
| if (sIndependentA11yVolume) { |
| // restore the a11y values from the settings |
| mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].readSettings(); |
| } |
| |
| // apply stream mute states according to new value of mRingerModeAffectedStreams |
| setRingerModeInt(getRingerModeInternal(), false); |
| sendMsg(mAudioHandler, |
| MSG_SET_ALL_VOLUMES, |
| SENDMSG_QUEUE, |
| 0, |
| 0, |
| mStreamStates[AudioSystem.STREAM_DTMF], 0); |
| sendMsg(mAudioHandler, |
| MSG_SET_ALL_VOLUMES, |
| SENDMSG_QUEUE, |
| 0, |
| 0, |
| mStreamStates[AudioSystem.STREAM_ACCESSIBILITY], 0); |
| } |
| } |
| |
| private void readDockAudioSettings(ContentResolver cr) |
| { |
| mDockAudioMediaEnabled = Settings.Global.getInt( |
| cr, Settings.Global.DOCK_AUDIO_MEDIA_ENABLED, 0) == 1; |
| |
| sendMsg(mAudioHandler, |
| MSG_SET_FORCE_USE, |
| SENDMSG_QUEUE, |
| AudioSystem.FOR_DOCK, |
| mDockAudioMediaEnabled ? |
| AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE, |
| new String("readDockAudioSettings"), |
| 0); |
| } |
| |
| |
| private void updateMasterMono(ContentResolver cr) |
| { |
| final boolean masterMono = System.getIntForUser( |
| cr, System.MASTER_MONO, 0 /* default */, UserHandle.USER_CURRENT) == 1; |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Master mono %b", masterMono)); |
| } |
| AudioSystem.setMasterMono(masterMono); |
| } |
| |
| private void updateMasterBalance(ContentResolver cr) { |
| final float masterBalance = System.getFloatForUser( |
| cr, System.MASTER_BALANCE, 0.f /* default */, UserHandle.USER_CURRENT); |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Master balance %f", masterBalance)); |
| } |
| if (AudioSystem.setMasterBalance(masterBalance) != 0) { |
| Log.e(TAG, String.format("setMasterBalance failed for %f", masterBalance)); |
| } |
| } |
| |
| private void sendEncodedSurroundMode(ContentResolver cr, String eventSource) |
| { |
| final int encodedSurroundMode = Settings.Global.getInt( |
| cr, Settings.Global.ENCODED_SURROUND_OUTPUT, |
| Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO); |
| sendEncodedSurroundMode(encodedSurroundMode, eventSource); |
| } |
| |
| private void sendEncodedSurroundMode(int encodedSurroundMode, String eventSource) |
| { |
| // initialize to guaranteed bad value |
| int forceSetting = AudioSystem.NUM_FORCE_CONFIG; |
| switch (encodedSurroundMode) { |
| case Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO: |
| forceSetting = AudioSystem.FORCE_NONE; |
| break; |
| case Settings.Global.ENCODED_SURROUND_OUTPUT_NEVER: |
| forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_NEVER; |
| break; |
| case Settings.Global.ENCODED_SURROUND_OUTPUT_ALWAYS: |
| forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_ALWAYS; |
| break; |
| case Settings.Global.ENCODED_SURROUND_OUTPUT_MANUAL: |
| forceSetting = AudioSystem.FORCE_ENCODED_SURROUND_MANUAL; |
| break; |
| default: |
| Log.e(TAG, "updateSurroundSoundSettings: illegal value " |
| + encodedSurroundMode); |
| break; |
| } |
| if (forceSetting != AudioSystem.NUM_FORCE_CONFIG) { |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_ENCODED_SURROUND, forceSetting, |
| eventSource); |
| } |
| } |
| |
| private void sendEnabledSurroundFormats(ContentResolver cr, boolean forceUpdate) { |
| if (mEncodedSurroundMode != Settings.Global.ENCODED_SURROUND_OUTPUT_MANUAL) { |
| // Manually enable surround formats only when the setting is in manual mode. |
| return; |
| } |
| String enabledSurroundFormats = Settings.Global.getString( |
| cr, Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS); |
| if (enabledSurroundFormats == null) { |
| // Never allow enabledSurroundFormats as a null, which could happen when |
| // ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS is not appear in settings DB. |
| enabledSurroundFormats = ""; |
| } |
| if (!forceUpdate && TextUtils.equals(enabledSurroundFormats, mEnabledSurroundFormats)) { |
| // Update enabled surround formats to AudioPolicyManager only when forceUpdate |
| // is true or enabled surround formats changed. |
| return; |
| } |
| |
| mEnabledSurroundFormats = enabledSurroundFormats; |
| String[] surroundFormats = TextUtils.split(enabledSurroundFormats, ","); |
| ArrayList<Integer> formats = new ArrayList<>(); |
| for (String format : surroundFormats) { |
| try { |
| int audioFormat = Integer.valueOf(format); |
| boolean isSurroundFormat = false; |
| for (int sf : AudioFormat.SURROUND_SOUND_ENCODING) { |
| if (sf == audioFormat) { |
| isSurroundFormat = true; |
| break; |
| } |
| } |
| if (isSurroundFormat && !formats.contains(audioFormat)) { |
| formats.add(audioFormat); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "Invalid enabled surround format:" + format); |
| } |
| } |
| // Set filtered surround formats to settings DB in case |
| // there are invalid surround formats in original settings. |
| Settings.Global.putString(mContext.getContentResolver(), |
| Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS, |
| TextUtils.join(",", formats)); |
| sendMsg(mAudioHandler, MSG_ENABLE_SURROUND_FORMATS, SENDMSG_QUEUE, 0, 0, formats, 0); |
| } |
| |
| private void onEnableSurroundFormats(ArrayList<Integer> enabledSurroundFormats) { |
| // Set surround format enabled accordingly. |
| for (int surroundFormat : AudioFormat.SURROUND_SOUND_ENCODING) { |
| boolean enabled = enabledSurroundFormats.contains(surroundFormat); |
| int ret = AudioSystem.setSurroundFormatEnabled(surroundFormat, enabled); |
| Log.i(TAG, "enable surround format:" + surroundFormat + " " + enabled + " " + ret); |
| } |
| } |
| |
| @GuardedBy("mSettingsLock") |
| private void updateAssistantUId(boolean forceUpdate) { |
| int assistantUid = 0; |
| |
| // Consider assistants in the following order of priority: |
| // 1) apk in assistant role |
| // 2) voice interaction service |
| // 3) assistant service |
| |
| String packageName = ""; |
| if (mRoleObserver != null) { |
| packageName = mRoleObserver.getAssistantRoleHolder(); |
| } |
| if (TextUtils.isEmpty(packageName)) { |
| String assistantName = Settings.Secure.getStringForUser( |
| mContentResolver, |
| Settings.Secure.VOICE_INTERACTION_SERVICE, UserHandle.USER_CURRENT); |
| if (TextUtils.isEmpty(assistantName)) { |
| assistantName = Settings.Secure.getStringForUser( |
| mContentResolver, |
| Settings.Secure.ASSISTANT, UserHandle.USER_CURRENT); |
| } |
| if (!TextUtils.isEmpty(assistantName)) { |
| ComponentName componentName = ComponentName.unflattenFromString(assistantName); |
| if (componentName == null) { |
| Slog.w(TAG, "Invalid service name for " |
| + Settings.Secure.VOICE_INTERACTION_SERVICE + ": " + assistantName); |
| return; |
| } |
| packageName = componentName.getPackageName(); |
| } |
| } |
| if (!TextUtils.isEmpty(packageName)) { |
| PackageManager pm = mContext.getPackageManager(); |
| if (pm.checkPermission(Manifest.permission.CAPTURE_AUDIO_HOTWORD, packageName) |
| == PackageManager.PERMISSION_GRANTED) { |
| try { |
| assistantUid = pm.getPackageUid(packageName, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, |
| "updateAssistantUId() could not find UID for package: " + packageName); |
| } |
| } |
| } |
| |
| if (assistantUid != mAssistantUid || forceUpdate) { |
| AudioSystem.setAssistantUid(assistantUid); |
| mAssistantUid = assistantUid; |
| } |
| } |
| |
| private void updateRttEanbled(ContentResolver cr) { |
| final boolean rttEnabled = Settings.Secure.getIntForUser(cr, |
| Settings.Secure.RTT_CALLING_MODE, 0, UserHandle.USER_CURRENT) != 0; |
| AudioSystem.setRttEnabled(rttEnabled); |
| } |
| |
| private void readPersistedSettings() { |
| final ContentResolver cr = mContentResolver; |
| |
| int ringerModeFromSettings = |
| Settings.Global.getInt( |
| cr, Settings.Global.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); |
| int ringerMode = ringerModeFromSettings; |
| // sanity check in case the settings are restored from a device with incompatible |
| // ringer modes |
| if (!isValidRingerMode(ringerMode)) { |
| ringerMode = AudioManager.RINGER_MODE_NORMAL; |
| } |
| if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { |
| ringerMode = AudioManager.RINGER_MODE_SILENT; |
| } |
| if (ringerMode != ringerModeFromSettings) { |
| Settings.Global.putInt(cr, Settings.Global.MODE_RINGER, ringerMode); |
| } |
| if (mUseFixedVolume || mIsSingleVolume) { |
| ringerMode = AudioManager.RINGER_MODE_NORMAL; |
| } |
| synchronized(mSettingsLock) { |
| mRingerMode = ringerMode; |
| if (mRingerModeExternal == -1) { |
| mRingerModeExternal = mRingerMode; |
| } |
| |
| // System.VIBRATE_ON is not used any more but defaults for mVibrateSetting |
| // are still needed while setVibrateSetting() and getVibrateSetting() are being |
| // deprecated. |
| mVibrateSetting = AudioSystem.getValueForVibrateSetting(0, |
| AudioManager.VIBRATE_TYPE_NOTIFICATION, |
| mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT |
| : AudioManager.VIBRATE_SETTING_OFF); |
| mVibrateSetting = AudioSystem.getValueForVibrateSetting(mVibrateSetting, |
| AudioManager.VIBRATE_TYPE_RINGER, |
| mHasVibrator ? AudioManager.VIBRATE_SETTING_ONLY_SILENT |
| : AudioManager.VIBRATE_SETTING_OFF); |
| |
| updateRingerAndZenModeAffectedStreams(); |
| readDockAudioSettings(cr); |
| sendEncodedSurroundMode(cr, "readPersistedSettings"); |
| sendEnabledSurroundFormats(cr, true); |
| updateAssistantUId(true); |
| updateRttEanbled(cr); |
| } |
| |
| mMuteAffectedStreams = System.getIntForUser(cr, |
| System.MUTE_STREAMS_AFFECTED, AudioSystem.DEFAULT_MUTE_STREAMS_AFFECTED, |
| UserHandle.USER_CURRENT); |
| |
| updateMasterMono(cr); |
| |
| updateMasterBalance(cr); |
| |
| // Each stream will read its own persisted settings |
| |
| // Broadcast the sticky intents |
| broadcastRingerMode(AudioManager.RINGER_MODE_CHANGED_ACTION, mRingerModeExternal); |
| broadcastRingerMode(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION, mRingerMode); |
| |
| // Broadcast vibrate settings |
| broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); |
| broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); |
| |
| // Load settings for the volume controller |
| mVolumeController.loadSettings(cr); |
| } |
| |
| private void readUserRestrictions() { |
| final int currentUser = getCurrentUserId(); |
| |
| // Check the current user restriction. |
| boolean masterMute = |
| mUserManagerInternal.getUserRestriction(currentUser, |
| UserManager.DISALLOW_UNMUTE_DEVICE) |
| || mUserManagerInternal.getUserRestriction(currentUser, |
| UserManager.DISALLOW_ADJUST_VOLUME); |
| if (mUseFixedVolume) { |
| masterMute = false; |
| AudioSystem.setMasterVolume(1.0f); |
| } |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Master mute %s, user=%d", masterMute, currentUser)); |
| } |
| setSystemAudioMute(masterMute); |
| AudioSystem.setMasterMute(masterMute); |
| broadcastMasterMuteStatus(masterMute); |
| |
| mMicMuteFromRestrictions = mUserManagerInternal.getUserRestriction( |
| currentUser, UserManager.DISALLOW_UNMUTE_MICROPHONE); |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Mic mute %b, user=%d", mMicMuteFromRestrictions, |
| currentUser)); |
| } |
| setMicrophoneMuteNoCallerCheck(currentUser); |
| } |
| |
| private int rescaleIndex(int index, int srcStream, int dstStream) { |
| int srcRange = |
| mStreamStates[srcStream].getMaxIndex() - mStreamStates[srcStream].getMinIndex(); |
| int dstRange = |
| mStreamStates[dstStream].getMaxIndex() - mStreamStates[dstStream].getMinIndex(); |
| |
| if (srcRange == 0) { |
| Log.e(TAG, "rescaleIndex : index range should not be zero"); |
| return mStreamStates[dstStream].getMinIndex(); |
| } |
| |
| return mStreamStates[dstStream].getMinIndex() |
| + ((index - mStreamStates[srcStream].getMinIndex()) * dstRange + srcRange / 2) |
| / srcRange; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // IPC methods |
| /////////////////////////////////////////////////////////////////////////// |
| /** @see AudioManager#adjustVolume(int, int) */ |
| public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags, |
| String callingPackage, String caller) { |
| final IAudioPolicyCallback extVolCtlr; |
| synchronized (mExtVolumeControllerLock) { |
| extVolCtlr = mExtVolumeController; |
| } |
| if (extVolCtlr != null) { |
| sendMsg(mAudioHandler, MSG_NOTIFY_VOL_EVENT, SENDMSG_QUEUE, |
| direction, 0 /*ignored*/, |
| extVolCtlr, 0 /*delay*/); |
| } else { |
| adjustSuggestedStreamVolume(direction, suggestedStreamType, flags, callingPackage, |
| caller, Binder.getCallingUid()); |
| } |
| } |
| |
| private void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags, |
| String callingPackage, String caller, int uid) { |
| if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream=" + suggestedStreamType |
| + ", flags=" + flags + ", caller=" + caller |
| + ", volControlStream=" + mVolumeControlStream |
| + ", userSelect=" + mUserSelectedVolumeControlStream); |
| if (direction != AudioManager.ADJUST_SAME) { |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_ADJUST_SUGG_VOL, suggestedStreamType, |
| direction/*val1*/, flags/*val2*/, new StringBuilder(callingPackage) |
| .append("/").append(caller).append(" uid:").append(uid).toString())); |
| } |
| final int streamType; |
| synchronized (mForceControlStreamLock) { |
| // Request lock in case mVolumeControlStream is changed by other thread. |
| if (mUserSelectedVolumeControlStream) { // implies mVolumeControlStream != -1 |
| streamType = mVolumeControlStream; |
| } else { |
| final int maybeActiveStreamType = getActiveStreamType(suggestedStreamType); |
| final boolean activeForReal; |
| if (maybeActiveStreamType == AudioSystem.STREAM_RING |
| || maybeActiveStreamType == AudioSystem.STREAM_NOTIFICATION) { |
| activeForReal = wasStreamActiveRecently(maybeActiveStreamType, 0); |
| } else { |
| activeForReal = AudioSystem.isStreamActive(maybeActiveStreamType, 0); |
| } |
| if (activeForReal || mVolumeControlStream == -1) { |
| streamType = maybeActiveStreamType; |
| } else { |
| streamType = mVolumeControlStream; |
| } |
| } |
| } |
| |
| final boolean isMute = isMuteAdjust(direction); |
| |
| ensureValidStreamType(streamType); |
| final int resolvedStream = mStreamVolumeAlias[streamType]; |
| |
| // Play sounds on STREAM_RING only. |
| if ((flags & AudioManager.FLAG_PLAY_SOUND) != 0 && |
| resolvedStream != AudioSystem.STREAM_RING) { |
| flags &= ~AudioManager.FLAG_PLAY_SOUND; |
| } |
| |
| // For notifications/ring, show the ui before making any adjustments |
| // Don't suppress mute/unmute requests |
| // Don't suppress adjustments for single volume device |
| if (mVolumeController.suppressAdjustment(resolvedStream, flags, isMute) |
| && !mIsSingleVolume) { |
| direction = 0; |
| flags &= ~AudioManager.FLAG_PLAY_SOUND; |
| flags &= ~AudioManager.FLAG_VIBRATE; |
| if (DEBUG_VOL) Log.d(TAG, "Volume controller suppressed adjustment"); |
| } |
| |
| adjustStreamVolume(streamType, direction, flags, callingPackage, caller, uid); |
| } |
| |
| /** @see AudioManager#adjustStreamVolume(int, int, int) */ |
| public void adjustStreamVolume(int streamType, int direction, int flags, |
| String callingPackage) { |
| if ((streamType == AudioManager.STREAM_ACCESSIBILITY) && !canChangeAccessibilityVolume()) { |
| Log.w(TAG, "Trying to call adjustStreamVolume() for a11y without" |
| + "CHANGE_ACCESSIBILITY_VOLUME / callingPackage=" + callingPackage); |
| return; |
| } |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_ADJUST_STREAM_VOL, streamType, |
| direction/*val1*/, flags/*val2*/, callingPackage)); |
| adjustStreamVolume(streamType, direction, flags, callingPackage, callingPackage, |
| Binder.getCallingUid()); |
| } |
| |
| protected void adjustStreamVolume(int streamType, int direction, int flags, |
| String callingPackage, String caller, int uid) { |
| if (mUseFixedVolume) { |
| return; |
| } |
| if (DEBUG_VOL) Log.d(TAG, "adjustStreamVolume() stream=" + streamType + ", dir=" + direction |
| + ", flags=" + flags + ", caller=" + caller); |
| |
| ensureValidDirection(direction); |
| ensureValidStreamType(streamType); |
| |
| boolean isMuteAdjust = isMuteAdjust(direction); |
| |
| if (isMuteAdjust && !isStreamAffectedByMute(streamType)) { |
| return; |
| } |
| |
| // If adjust is mute and the stream is STREAM_VOICE_CALL or STREAM_BLUETOOTH_SCO, make sure |
| // that the calling app have the MODIFY_PHONE_STATE permission. |
| if (isMuteAdjust && |
| (streamType == AudioSystem.STREAM_VOICE_CALL || |
| streamType == AudioSystem.STREAM_BLUETOOTH_SCO) && |
| mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE) |
| != PackageManager.PERMISSION_GRANTED) { |
| Log.w(TAG, "MODIFY_PHONE_STATE Permission Denial: adjustStreamVolume from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| // use stream type alias here so that streams with same alias have the same behavior, |
| // including with regard to silent mode control (e.g the use of STREAM_RING below and in |
| // checkForRingerModeChange() in place of STREAM_RING or STREAM_NOTIFICATION) |
| int streamTypeAlias = mStreamVolumeAlias[streamType]; |
| |
| VolumeStreamState streamState = mStreamStates[streamTypeAlias]; |
| |
| final int device = getDeviceForStream(streamTypeAlias); |
| |
| int aliasIndex = streamState.getIndex(device); |
| boolean adjustVolume = true; |
| int step; |
| |
| // skip a2dp absolute volume control request when the device |
| // is not an a2dp device |
| if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) == 0 && |
| (flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) != 0) { |
| return; |
| } |
| |
| // If we are being called by the system (e.g. hardware keys) check for current user |
| // so we handle user restrictions correctly. |
| if (uid == android.os.Process.SYSTEM_UID) { |
| uid = UserHandle.getUid(getCurrentUserId(), UserHandle.getAppId(uid)); |
| } |
| if (mAppOps.noteOp(STREAM_VOLUME_OPS[streamTypeAlias], uid, callingPackage) |
| != AppOpsManager.MODE_ALLOWED) { |
| return; |
| } |
| |
| // reset any pending volume command |
| synchronized (mSafeMediaVolumeStateLock) { |
| mPendingVolumeCommand = null; |
| } |
| |
| flags &= ~AudioManager.FLAG_FIXED_VOLUME; |
| if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) && |
| ((device & mFixedVolumeDevices) != 0)) { |
| flags |= AudioManager.FLAG_FIXED_VOLUME; |
| |
| // Always toggle between max safe volume and 0 for fixed volume devices where safe |
| // volume is enforced, and max and 0 for the others. |
| // This is simulated by stepping by the full allowed volume range |
| if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE && |
| (device & mSafeMediaVolumeDevices) != 0) { |
| step = safeMediaVolumeIndex(device); |
| } else { |
| step = streamState.getMaxIndex(); |
| } |
| if (aliasIndex != 0) { |
| aliasIndex = step; |
| } |
| } else { |
| // convert one UI step (+/-1) into a number of internal units on the stream alias |
| step = rescaleIndex(10, streamType, streamTypeAlias); |
| } |
| |
| // If either the client forces allowing ringer modes for this adjustment, |
| // or the stream type is one that is affected by ringer modes |
| if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || |
| (streamTypeAlias == getUiSoundsStreamType())) { |
| int ringerMode = getRingerModeInternal(); |
| // do not vibrate if already in vibrate mode |
| if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) { |
| flags &= ~AudioManager.FLAG_VIBRATE; |
| } |
| // Check if the ringer mode handles this adjustment. If it does we don't |
| // need to adjust the volume further. |
| final int result = checkForRingerModeChange(aliasIndex, direction, step, |
| streamState.mIsMuted, callingPackage, flags); |
| adjustVolume = (result & FLAG_ADJUST_VOLUME) != 0; |
| // If suppressing a volume adjustment in silent mode, display the UI hint |
| if ((result & AudioManager.FLAG_SHOW_SILENT_HINT) != 0) { |
| flags |= AudioManager.FLAG_SHOW_SILENT_HINT; |
| } |
| // If suppressing a volume down adjustment in vibrate mode, display the UI hint |
| if ((result & AudioManager.FLAG_SHOW_VIBRATE_HINT) != 0) { |
| flags |= AudioManager.FLAG_SHOW_VIBRATE_HINT; |
| } |
| } |
| |
| // If the ringer mode or zen is muting the stream, do not change stream unless |
| // it'll cause us to exit dnd |
| if (!volumeAdjustmentAllowedByDnd(streamTypeAlias, flags)) { |
| adjustVolume = false; |
| } |
| int oldIndex = mStreamStates[streamType].getIndex(device); |
| |
| if (adjustVolume && (direction != AudioManager.ADJUST_SAME)) { |
| mAudioHandler.removeMessages(MSG_UNMUTE_STREAM); |
| |
| if (isMuteAdjust) { |
| boolean state; |
| if (direction == AudioManager.ADJUST_TOGGLE_MUTE) { |
| state = !streamState.mIsMuted; |
| } else { |
| state = direction == AudioManager.ADJUST_MUTE; |
| } |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC) { |
| setSystemAudioMute(state); |
| } |
| for (int stream = 0; stream < mStreamStates.length; stream++) { |
| if (streamTypeAlias == mStreamVolumeAlias[stream]) { |
| if (!(readCameraSoundForced() |
| && (mStreamStates[stream].getStreamType() |
| == AudioSystem.STREAM_SYSTEM_ENFORCED))) { |
| mStreamStates[stream].mute(state); |
| } |
| } |
| } |
| } else if ((direction == AudioManager.ADJUST_RAISE) && |
| !checkSafeMediaVolume(streamTypeAlias, aliasIndex + step, device)) { |
| Log.e(TAG, "adjustStreamVolume() safe volume index = " + oldIndex); |
| mVolumeController.postDisplaySafeVolumeWarning(flags); |
| } else if (((device & mFullVolumeDevices) == 0) |
| && (streamState.adjustIndex(direction * step, device, caller) |
| || streamState.mIsMuted)) { |
| // Post message to set system volume (it in turn will post a |
| // message to persist). |
| if (streamState.mIsMuted) { |
| // Unmute the stream if it was previously muted |
| if (direction == AudioManager.ADJUST_RAISE) { |
| // unmute immediately for volume up |
| streamState.mute(false); |
| } else if (direction == AudioManager.ADJUST_LOWER) { |
| if (mIsSingleVolume) { |
| sendMsg(mAudioHandler, MSG_UNMUTE_STREAM, SENDMSG_QUEUE, |
| streamTypeAlias, flags, null, UNMUTE_STREAM_DELAY); |
| } |
| } |
| } |
| sendMsg(mAudioHandler, |
| MSG_SET_DEVICE_VOLUME, |
| SENDMSG_QUEUE, |
| device, |
| 0, |
| streamState, |
| 0); |
| } |
| |
| int newIndex = mStreamStates[streamType].getIndex(device); |
| |
| // Check if volume update should be send to AVRCP |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC && |
| (device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 && |
| (flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) == 0) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "adjustSreamVolume: postSetAvrcpAbsoluteVolumeIndex index=" |
| + newIndex + "stream=" + streamType); |
| } |
| mDeviceBroker.postSetAvrcpAbsoluteVolumeIndex(newIndex / 10); |
| } |
| |
| // Check if volume update should be send to Hearing Aid |
| if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) { |
| // only modify the hearing aid attenuation when the stream to modify matches |
| // the one expected by the hearing aid |
| if (streamType == getHearingAidStreamType()) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "adjustSreamVolume postSetHearingAidVolumeIndex index=" |
| + newIndex + " stream=" + streamType); |
| } |
| mDeviceBroker.postSetHearingAidVolumeIndex(newIndex, streamType); |
| } |
| } |
| |
| // Check if volume update should be sent to Hdmi system audio. |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC) { |
| setSystemAudioVolume(oldIndex, newIndex, getStreamMaxVolume(streamType), flags); |
| } |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager != null) { |
| // mHdmiCecSink true => mHdmiPlaybackClient != null |
| if (mHdmiCecSink |
| && streamTypeAlias == AudioSystem.STREAM_MUSIC |
| // vol change on a full volume device |
| && ((device & mFullVolumeDevices) != 0)) { |
| int keyCode = KeyEvent.KEYCODE_UNKNOWN; |
| switch (direction) { |
| case AudioManager.ADJUST_RAISE: |
| keyCode = KeyEvent.KEYCODE_VOLUME_UP; |
| break; |
| case AudioManager.ADJUST_LOWER: |
| keyCode = KeyEvent.KEYCODE_VOLUME_DOWN; |
| break; |
| case AudioManager.ADJUST_TOGGLE_MUTE: |
| keyCode = KeyEvent.KEYCODE_VOLUME_MUTE; |
| break; |
| default: |
| break; |
| } |
| if (keyCode != KeyEvent.KEYCODE_UNKNOWN) { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| mHdmiPlaybackClient.sendVolumeKeyEvent(keyCode, true); |
| mHdmiPlaybackClient.sendVolumeKeyEvent(keyCode, false); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC |
| && (oldIndex != newIndex || isMuteAdjust)) { |
| maybeSendSystemAudioStatusCommand(isMuteAdjust); |
| } |
| } |
| } |
| } |
| int index = mStreamStates[streamType].getIndex(device); |
| sendVolumeUpdate(streamType, oldIndex, index, flags, device); |
| } |
| |
| // Called after a delay when volume down is pressed while muted |
| private void onUnmuteStream(int stream, int flags) { |
| boolean wasMuted; |
| synchronized (VolumeStreamState.class) { |
| final VolumeStreamState streamState = mStreamStates[stream]; |
| wasMuted = streamState.mute(false); // if unmuting causes a change, it was muted |
| |
| final int device = getDeviceForStream(stream); |
| final int index = streamState.getIndex(device); |
| sendVolumeUpdate(stream, index, index, flags, device); |
| } |
| if (stream == AudioSystem.STREAM_MUSIC && wasMuted) { |
| synchronized (mHdmiClientLock) { |
| maybeSendSystemAudioStatusCommand(true); |
| } |
| } |
| } |
| |
| @GuardedBy("mHdmiClientLock") |
| private void maybeSendSystemAudioStatusCommand(boolean isMuteAdjust) { |
| if (mHdmiAudioSystemClient == null |
| || !mHdmiSystemAudioSupported) { |
| return; |
| } |
| |
| final long identity = Binder.clearCallingIdentity(); |
| mHdmiAudioSystemClient.sendReportAudioStatusCecCommand( |
| isMuteAdjust, getStreamVolume(AudioSystem.STREAM_MUSIC), |
| getStreamMaxVolume(AudioSystem.STREAM_MUSIC), |
| isStreamMute(AudioSystem.STREAM_MUSIC)); |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| private void setSystemAudioVolume(int oldVolume, int newVolume, int maxVolume, int flags) { |
| // 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 (mHdmiClientLock) { |
| if (mHdmiManager == null |
| || mHdmiTvClient == null |
| || oldVolume == newVolume |
| || (flags & AudioManager.FLAG_HDMI_SYSTEM_AUDIO_VOLUME) != 0 |
| || !mHdmiSystemAudioSupported) { |
| return; |
| } |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| mHdmiTvClient.setSystemAudioVolume(oldVolume, newVolume, maxVolume); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| } |
| |
| // StreamVolumeCommand contains the information needed to defer the process of |
| // setStreamVolume() in case the user has to acknowledge the safe volume warning message. |
| class StreamVolumeCommand { |
| public final int mStreamType; |
| public final int mIndex; |
| public final int mFlags; |
| public final int mDevice; |
| |
| StreamVolumeCommand(int streamType, int index, int flags, int device) { |
| mStreamType = streamType; |
| mIndex = index; |
| mFlags = flags; |
| mDevice = device; |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder().append("{streamType=").append(mStreamType).append(",index=") |
| .append(mIndex).append(",flags=").append(mFlags).append(",device=") |
| .append(mDevice).append('}').toString(); |
| } |
| }; |
| |
| private int getNewRingerMode(int stream, int index, int flags) { |
| // setRingerMode does nothing if the device is single volume,so the value would be unchanged |
| if (mIsSingleVolume) { |
| return getRingerModeExternal(); |
| } |
| |
| // setting volume on ui sounds stream type also controls silent mode |
| if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || |
| (stream == getUiSoundsStreamType())) { |
| int newRingerMode; |
| if (index == 0) { |
| newRingerMode = mHasVibrator ? AudioManager.RINGER_MODE_VIBRATE |
| : mVolumePolicy.volumeDownToEnterSilent ? AudioManager.RINGER_MODE_SILENT |
| : AudioManager.RINGER_MODE_NORMAL; |
| } else { |
| newRingerMode = AudioManager.RINGER_MODE_NORMAL; |
| } |
| return newRingerMode; |
| } |
| return getRingerModeExternal(); |
| } |
| |
| private boolean isAndroidNPlus(String caller) { |
| try { |
| final ApplicationInfo applicationInfo = |
| mContext.getPackageManager().getApplicationInfoAsUser( |
| caller, 0, UserHandle.getUserId(Binder.getCallingUid())); |
| if (applicationInfo.targetSdkVersion >= Build.VERSION_CODES.N) { |
| return true; |
| } |
| return false; |
| } catch (PackageManager.NameNotFoundException e) { |
| return true; |
| } |
| } |
| |
| private boolean wouldToggleZenMode(int newMode) { |
| if (getRingerModeExternal() == AudioManager.RINGER_MODE_SILENT |
| && newMode != AudioManager.RINGER_MODE_SILENT) { |
| return true; |
| } else if (getRingerModeExternal() != AudioManager.RINGER_MODE_SILENT |
| && newMode == AudioManager.RINGER_MODE_SILENT) { |
| return true; |
| } |
| return false; |
| } |
| |
| private void onSetStreamVolume(int streamType, int index, int flags, int device, |
| String caller) { |
| final int stream = mStreamVolumeAlias[streamType]; |
| setStreamVolumeInt(stream, index, device, false, caller); |
| // setting volume on ui sounds stream type also controls silent mode |
| if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) || |
| (stream == getUiSoundsStreamType())) { |
| setRingerMode(getNewRingerMode(stream, index, flags), |
| TAG + ".onSetStreamVolume", false /*external*/); |
| } |
| // setting non-zero volume for a muted stream unmutes the stream and vice versa, |
| // except for BT SCO stream where only explicit mute is allowed to comply to BT requirements |
| if (streamType != AudioSystem.STREAM_BLUETOOTH_SCO) { |
| mStreamStates[stream].mute(index == 0); |
| } |
| } |
| |
| private void enforceModifyAudioRoutingPermission() { |
| if (mContext.checkCallingPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Missing MODIFY_AUDIO_ROUTING permission"); |
| } |
| } |
| |
| /** @see AudioManager#setVolumeIndexForAttributes(attr, int, int) */ |
| public void setVolumeIndexForAttributes(@NonNull AudioAttributes attr, int index, int flags, |
| String callingPackage) { |
| enforceModifyAudioRoutingPermission(); |
| Preconditions.checkNotNull(attr, "attr must not be null"); |
| // @todo not hold the caller context, post message |
| int stream = AudioProductStrategy.getLegacyStreamTypeForStrategyWithAudioAttributes(attr); |
| final int device = getDeviceForStream(stream); |
| |
| int oldIndex = AudioSystem.getVolumeIndexForAttributes(attr, device); |
| |
| AudioSystem.setVolumeIndexForAttributes(attr, index, device); |
| |
| final int volumeGroup = getVolumeGroupIdForAttributes(attr); |
| final AudioVolumeGroup avg = getAudioVolumeGroupById(volumeGroup); |
| if (avg == null) { |
| return; |
| } |
| for (final int groupedStream : avg.getLegacyStreamTypes()) { |
| setStreamVolume(groupedStream, index, flags, callingPackage, callingPackage, |
| Binder.getCallingUid()); |
| } |
| } |
| |
| @Nullable |
| private AudioVolumeGroup getAudioVolumeGroupById(int volumeGroupId) { |
| for (final AudioVolumeGroup avg : AudioVolumeGroup.getAudioVolumeGroups()) { |
| if (avg.getId() == volumeGroupId) { |
| return avg; |
| } |
| } |
| |
| Log.e(TAG, ": invalid volume group id: " + volumeGroupId + " requested"); |
| return null; |
| } |
| |
| /** @see AudioManager#getVolumeIndexForAttributes(attr) */ |
| public int getVolumeIndexForAttributes(@NonNull AudioAttributes attr) { |
| enforceModifyAudioRoutingPermission(); |
| Preconditions.checkNotNull(attr, "attr must not be null"); |
| int stream = AudioProductStrategy.getLegacyStreamTypeForStrategyWithAudioAttributes(attr); |
| final int device = getDeviceForStream(stream); |
| |
| return AudioSystem.getVolumeIndexForAttributes(attr, device); |
| } |
| |
| /** @see AudioManager#getMaxVolumeIndexForAttributes(attr) */ |
| public int getMaxVolumeIndexForAttributes(@NonNull AudioAttributes attr) { |
| enforceModifyAudioRoutingPermission(); |
| Preconditions.checkNotNull(attr, "attr must not be null"); |
| return AudioSystem.getMaxVolumeIndexForAttributes(attr); |
| } |
| |
| /** @see AudioManager#getMinVolumeIndexForAttributes(attr) */ |
| public int getMinVolumeIndexForAttributes(@NonNull AudioAttributes attr) { |
| enforceModifyAudioRoutingPermission(); |
| Preconditions.checkNotNull(attr, "attr must not be null"); |
| return AudioSystem.getMinVolumeIndexForAttributes(attr); |
| } |
| |
| /** @see AudioManager#setStreamVolume(int, int, int) */ |
| public void setStreamVolume(int streamType, int index, int flags, String callingPackage) { |
| if ((streamType == AudioManager.STREAM_ACCESSIBILITY) && !canChangeAccessibilityVolume()) { |
| Log.w(TAG, "Trying to call setStreamVolume() for a11y without" |
| + " CHANGE_ACCESSIBILITY_VOLUME callingPackage=" + callingPackage); |
| return; |
| } |
| if ((streamType == AudioManager.STREAM_VOICE_CALL) && (index == 0) |
| && (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE) |
| != PackageManager.PERMISSION_GRANTED)) { |
| Log.w(TAG, "Trying to call setStreamVolume() for STREAM_VOICE_CALL and index 0 without" |
| + " MODIFY_PHONE_STATE callingPackage=" + callingPackage); |
| return; |
| } |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_SET_STREAM_VOL, streamType, |
| index/*val1*/, flags/*val2*/, callingPackage)); |
| setStreamVolume(streamType, index, flags, callingPackage, callingPackage, |
| Binder.getCallingUid()); |
| } |
| |
| private boolean canChangeAccessibilityVolume() { |
| synchronized (mAccessibilityServiceUidsLock) { |
| if (PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.CHANGE_ACCESSIBILITY_VOLUME)) { |
| return true; |
| } |
| if (mAccessibilityServiceUids != null) { |
| int callingUid = Binder.getCallingUid(); |
| for (int i = 0; i < mAccessibilityServiceUids.length; i++) { |
| if (mAccessibilityServiceUids[i] == callingUid) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |
| |
| /*package*/ int getHearingAidStreamType() { |
| return getHearingAidStreamType(mMode); |
| } |
| |
| private int getHearingAidStreamType(int mode) { |
| switch (mode) { |
| case AudioSystem.MODE_IN_COMMUNICATION: |
| case AudioSystem.MODE_IN_CALL: |
| return AudioSystem.STREAM_VOICE_CALL; |
| case AudioSystem.MODE_NORMAL: |
| default: |
| // other conditions will influence the stream type choice, read on... |
| break; |
| } |
| if (mVoiceActive.get()) { |
| return AudioSystem.STREAM_VOICE_CALL; |
| } |
| return AudioSystem.STREAM_MUSIC; |
| } |
| |
| private AtomicBoolean mVoiceActive = new AtomicBoolean(false); |
| |
| private final IPlaybackConfigDispatcher mVoiceActivityMonitor = |
| new IPlaybackConfigDispatcher.Stub() { |
| @Override |
| public void dispatchPlaybackConfigChange(List<AudioPlaybackConfiguration> configs, |
| boolean flush) { |
| sendMsg(mAudioHandler, MSG_PLAYBACK_CONFIG_CHANGE, SENDMSG_REPLACE, |
| 0 /*arg1 ignored*/, 0 /*arg2 ignored*/, |
| configs /*obj*/, 0 /*delay*/); |
| } |
| }; |
| |
| private void onPlaybackConfigChange(List<AudioPlaybackConfiguration> configs) { |
| boolean voiceActive = false; |
| for (AudioPlaybackConfiguration config : configs) { |
| final int usage = config.getAudioAttributes().getUsage(); |
| if ((usage == AudioAttributes.USAGE_VOICE_COMMUNICATION |
| || usage == AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING) |
| && config.getPlayerState() == AudioPlaybackConfiguration.PLAYER_STATE_STARTED) { |
| voiceActive = true; |
| break; |
| } |
| } |
| if (mVoiceActive.getAndSet(voiceActive) != voiceActive) { |
| updateHearingAidVolumeOnVoiceActivityUpdate(); |
| } |
| } |
| |
| private void updateHearingAidVolumeOnVoiceActivityUpdate() { |
| final int streamType = getHearingAidStreamType(); |
| final int index = getStreamVolume(streamType); |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_VOICE_ACTIVITY_HEARING_AID, |
| mVoiceActive.get(), streamType, index)); |
| mDeviceBroker.postSetHearingAidVolumeIndex(index * 10, streamType); |
| |
| } |
| |
| /** |
| * Manage an audio mode change for audio devices that use an "absolute volume" model, |
| * i.e. the framework sends the full scale signal, and the actual volume for the use case |
| * is communicated separately. |
| */ |
| void updateAbsVolumeMultiModeDevices(int oldMode, int newMode) { |
| if (oldMode == newMode) { |
| return; |
| } |
| switch (newMode) { |
| case AudioSystem.MODE_IN_COMMUNICATION: |
| case AudioSystem.MODE_IN_CALL: |
| case AudioSystem.MODE_NORMAL: |
| break; |
| case AudioSystem.MODE_RINGTONE: |
| // not changing anything for ringtone |
| return; |
| case AudioSystem.MODE_CURRENT: |
| case AudioSystem.MODE_INVALID: |
| default: |
| // don't know what to do in this case, better bail |
| return; |
| } |
| |
| int streamType = getHearingAidStreamType(newMode); |
| |
| final int device = AudioSystem.getDevicesForStream(streamType); |
| if ((device & mAbsVolumeMultiModeCaseDevices) == 0) { |
| return; |
| } |
| |
| // handling of specific interfaces goes here: |
| if ((device & mAbsVolumeMultiModeCaseDevices) == AudioSystem.DEVICE_OUT_HEARING_AID) { |
| final int index = getStreamVolume(streamType); |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_MODE_CHANGE_HEARING_AID, |
| newMode, streamType, index)); |
| mDeviceBroker.postSetHearingAidVolumeIndex(index * 10, streamType); |
| } |
| } |
| |
| private void setStreamVolume(int streamType, int index, int flags, String callingPackage, |
| String caller, int uid) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "setStreamVolume(stream=" + streamType+", index=" + index |
| + ", calling=" + callingPackage + ")"); |
| } |
| if (mUseFixedVolume) { |
| return; |
| } |
| |
| ensureValidStreamType(streamType); |
| int streamTypeAlias = mStreamVolumeAlias[streamType]; |
| VolumeStreamState streamState = mStreamStates[streamTypeAlias]; |
| |
| final int device = getDeviceForStream(streamType); |
| int oldIndex; |
| |
| // skip a2dp absolute volume control request when the device |
| // is not an a2dp device |
| if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) == 0 && |
| (flags & AudioManager.FLAG_BLUETOOTH_ABS_VOLUME) != 0) { |
| return; |
| } |
| // If we are being called by the system (e.g. hardware keys) check for current user |
| // so we handle user restrictions correctly. |
| if (uid == android.os.Process.SYSTEM_UID) { |
| uid = UserHandle.getUid(getCurrentUserId(), UserHandle.getAppId(uid)); |
| } |
| if (mAppOps.noteOp(STREAM_VOLUME_OPS[streamTypeAlias], uid, callingPackage) |
| != AppOpsManager.MODE_ALLOWED) { |
| return; |
| } |
| |
| if (isAndroidNPlus(callingPackage) |
| && wouldToggleZenMode(getNewRingerMode(streamTypeAlias, index, flags)) |
| && !mNm.isNotificationPolicyAccessGrantedForPackage(callingPackage)) { |
| throw new SecurityException("Not allowed to change Do Not Disturb state"); |
| } |
| |
| if (!volumeAdjustmentAllowedByDnd(streamTypeAlias, flags)) { |
| return; |
| } |
| |
| synchronized (mSafeMediaVolumeStateLock) { |
| // 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) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "setStreamVolume postSetAvrcpAbsoluteVolumeIndex index=" + index |
| + "stream=" + streamType); |
| } |
| mDeviceBroker.postSetAvrcpAbsoluteVolumeIndex(index / 10); |
| } |
| |
| if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0 |
| && streamType == getHearingAidStreamType()) { |
| Log.i(TAG, "setStreamVolume postSetHearingAidVolumeIndex index=" + index |
| + " stream=" + streamType); |
| mDeviceBroker.postSetHearingAidVolumeIndex(index, streamType); |
| } |
| |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC) { |
| setSystemAudioVolume(oldIndex, index, getStreamMaxVolume(streamType), flags); |
| } |
| |
| flags &= ~AudioManager.FLAG_FIXED_VOLUME; |
| if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) && |
| ((device & mFixedVolumeDevices) != 0)) { |
| flags |= AudioManager.FLAG_FIXED_VOLUME; |
| |
| // volume is either 0 or max allowed for fixed volume devices |
| if (index != 0) { |
| if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE && |
| (device & mSafeMediaVolumeDevices) != 0) { |
| index = safeMediaVolumeIndex(device); |
| } else { |
| index = streamState.getMaxIndex(); |
| } |
| } |
| } |
| |
| if (!checkSafeMediaVolume(streamTypeAlias, index, device)) { |
| mVolumeController.postDisplaySafeVolumeWarning(flags); |
| mPendingVolumeCommand = new StreamVolumeCommand( |
| streamType, index, flags, device); |
| } else { |
| onSetStreamVolume(streamType, index, flags, device, caller); |
| index = mStreamStates[streamType].getIndex(device); |
| } |
| } |
| synchronized (mHdmiClientLock) { |
| if (streamTypeAlias == AudioSystem.STREAM_MUSIC |
| && (oldIndex != index)) { |
| maybeSendSystemAudioStatusCommand(false); |
| } |
| } |
| sendVolumeUpdate(streamType, oldIndex, index, flags, device); |
| } |
| |
| |
| |
| private int getVolumeGroupIdForAttributes(@NonNull AudioAttributes attributes) { |
| Preconditions.checkNotNull(attributes, "attributes must not be null"); |
| int volumeGroupId = getVolumeGroupIdForAttributesInt(attributes); |
| if (volumeGroupId != AudioVolumeGroup.DEFAULT_VOLUME_GROUP) { |
| return volumeGroupId; |
| } |
| // The default volume group is the one hosted by default product strategy, i.e. |
| // supporting Default Attributes |
| return getVolumeGroupIdForAttributesInt(AudioProductStrategy.sDefaultAttributes); |
| } |
| |
| private int getVolumeGroupIdForAttributesInt(@NonNull AudioAttributes attributes) { |
| Preconditions.checkNotNull(attributes, "attributes must not be null"); |
| for (final AudioProductStrategy productStrategy : |
| AudioProductStrategy.getAudioProductStrategies()) { |
| int volumeGroupId = productStrategy.getVolumeGroupIdForAudioAttributes(attributes); |
| if (volumeGroupId != AudioVolumeGroup.DEFAULT_VOLUME_GROUP) { |
| return volumeGroupId; |
| } |
| } |
| return AudioVolumeGroup.DEFAULT_VOLUME_GROUP; |
| } |
| |
| |
| // No ringer or zen muted stream volumes can be changed unless it'll exit dnd |
| private boolean volumeAdjustmentAllowedByDnd(int streamTypeAlias, int flags) { |
| switch (mNm.getZenMode()) { |
| case Settings.Global.ZEN_MODE_OFF: |
| return true; |
| case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS: |
| case Settings.Global.ZEN_MODE_ALARMS: |
| case Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: |
| return !isStreamMutedByRingerOrZenMode(streamTypeAlias) |
| || streamTypeAlias == getUiSoundsStreamType() |
| || (flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0; |
| } |
| |
| return true; |
| } |
| |
| /** @see AudioManager#forceVolumeControlStream(int) */ |
| public void forceVolumeControlStream(int streamType, IBinder cb) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.MODIFY_PHONE_STATE) |
| != PackageManager.PERMISSION_GRANTED) { |
| return; |
| } |
| if (DEBUG_VOL) { Log.d(TAG, String.format("forceVolumeControlStream(%d)", streamType)); } |
| synchronized(mForceControlStreamLock) { |
| if (mVolumeControlStream != -1 && streamType != -1) { |
| mUserSelectedVolumeControlStream = true; |
| } |
| mVolumeControlStream = streamType; |
| if (mVolumeControlStream == -1) { |
| if (mForceControlStreamClient != null) { |
| mForceControlStreamClient.release(); |
| mForceControlStreamClient = null; |
| } |
| mUserSelectedVolumeControlStream = false; |
| } else { |
| if (null == mForceControlStreamClient) { |
| mForceControlStreamClient = new ForceControlStreamClient(cb); |
| } else { |
| if (mForceControlStreamClient.getBinder() == cb) { |
| Log.d(TAG, "forceVolumeControlStream cb:" + cb + " is already linked."); |
| } else { |
| mForceControlStreamClient.release(); |
| mForceControlStreamClient = new ForceControlStreamClient(cb); |
| } |
| } |
| } |
| } |
| } |
| |
| private class ForceControlStreamClient implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| |
| ForceControlStreamClient(IBinder cb) { |
| if (cb != null) { |
| try { |
| cb.linkToDeath(this, 0); |
| } catch (RemoteException e) { |
| // Client has died! |
| Log.w(TAG, "ForceControlStreamClient() could not link to "+cb+" binder death"); |
| cb = null; |
| } |
| } |
| mCb = cb; |
| } |
| |
| public void binderDied() { |
| synchronized(mForceControlStreamLock) { |
| Log.w(TAG, "SCO client died"); |
| if (mForceControlStreamClient != this) { |
| Log.w(TAG, "unregistered control stream client died"); |
| } else { |
| mForceControlStreamClient = null; |
| mVolumeControlStream = -1; |
| mUserSelectedVolumeControlStream = false; |
| } |
| } |
| } |
| |
| public void release() { |
| if (mCb != null) { |
| mCb.unlinkToDeath(this, 0); |
| mCb = null; |
| } |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| } |
| |
| private void sendBroadcastToAll(Intent intent) { |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void sendStickyBroadcastToAll(Intent intent) { |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private int getCurrentUserId() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| UserInfo currentUser = ActivityManager.getService().getCurrentUser(); |
| return currentUser.id; |
| } catch (RemoteException e) { |
| // Activity manager not running, nothing we can do assume user 0. |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| return UserHandle.USER_SYSTEM; |
| } |
| |
| // UI update and Broadcast Intent |
| protected void sendVolumeUpdate(int streamType, int oldIndex, int index, int flags, int device) |
| { |
| streamType = mStreamVolumeAlias[streamType]; |
| |
| if (streamType == AudioSystem.STREAM_MUSIC) { |
| flags = updateFlagsForTvPlatform(flags); |
| if ((device & mFullVolumeDevices) != 0) { |
| flags &= ~AudioManager.FLAG_SHOW_UI; |
| } |
| } |
| mVolumeController.postVolumeChanged(streamType, flags); |
| } |
| |
| // If Hdmi-CEC system audio mode is on and we are a TV panel, never show volume bar. |
| private int updateFlagsForTvPlatform(int flags) { |
| synchronized (mHdmiClientLock) { |
| if (mHdmiTvClient != null && mHdmiSystemAudioSupported) { |
| flags &= ~AudioManager.FLAG_SHOW_UI; |
| } |
| } |
| return flags; |
| } |
| |
| // UI update and Broadcast Intent |
| private void sendMasterMuteUpdate(boolean muted, int flags) { |
| mVolumeController.postMasterMuteChanged(updateFlagsForTvPlatform(flags)); |
| broadcastMasterMuteStatus(muted); |
| } |
| |
| private void broadcastMasterMuteStatus(boolean muted) { |
| Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION); |
| intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, muted); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
| | Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| sendStickyBroadcastToAll(intent); |
| } |
| |
| /** |
| * Sets the stream state's index, and posts a message to set system volume. |
| * This will not call out to the UI. Assumes a valid stream type. |
| * |
| * @param streamType Type of the stream |
| * @param index Desired volume index of the stream |
| * @param device the device whose volume must be changed |
| * @param force If true, set the volume even if the desired volume is same |
| * as the current volume. |
| */ |
| private void setStreamVolumeInt(int streamType, |
| int index, |
| int device, |
| boolean force, |
| String caller) { |
| if ((device & mFullVolumeDevices) != 0) { |
| return; |
| } |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| |
| if (streamState.setIndex(index, device, caller) || force) { |
| // Post message to set system volume (it in turn will post a message |
| // to persist). |
| sendMsg(mAudioHandler, |
| MSG_SET_DEVICE_VOLUME, |
| SENDMSG_QUEUE, |
| device, |
| 0, |
| streamState, |
| 0); |
| } |
| } |
| |
| private void setSystemAudioMute(boolean state) { |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager == null || mHdmiTvClient == null || !mHdmiSystemAudioSupported) return; |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| mHdmiTvClient.setSystemAudioMute(state); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| } |
| |
| /** get stream mute state. */ |
| public boolean isStreamMute(int streamType) { |
| if (streamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { |
| streamType = getActiveStreamType(streamType); |
| } |
| synchronized (VolumeStreamState.class) { |
| ensureValidStreamType(streamType); |
| return mStreamStates[streamType].mIsMuted; |
| } |
| } |
| |
| private class RmtSbmxFullVolDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mICallback; // To be notified of client's death |
| |
| RmtSbmxFullVolDeathHandler(IBinder cb) { |
| mICallback = cb; |
| try { |
| cb.linkToDeath(this, 0/*flags*/); |
| } catch (RemoteException e) { |
| Log.e(TAG, "can't link to death", e); |
| } |
| } |
| |
| boolean isHandlerFor(IBinder cb) { |
| return mICallback.equals(cb); |
| } |
| |
| void forget() { |
| try { |
| mICallback.unlinkToDeath(this, 0/*flags*/); |
| } catch (NoSuchElementException e) { |
| Log.e(TAG, "error unlinking to death", e); |
| } |
| } |
| |
| public void binderDied() { |
| Log.w(TAG, "Recorder with remote submix at full volume died " + mICallback); |
| forceRemoteSubmixFullVolume(false, mICallback); |
| } |
| } |
| |
| /** |
| * call must be synchronized on mRmtSbmxFullVolDeathHandlers |
| * @return true if there is a registered death handler, false otherwise */ |
| private boolean discardRmtSbmxFullVolDeathHandlerFor(IBinder cb) { |
| Iterator<RmtSbmxFullVolDeathHandler> it = mRmtSbmxFullVolDeathHandlers.iterator(); |
| while (it.hasNext()) { |
| final RmtSbmxFullVolDeathHandler handler = it.next(); |
| if (handler.isHandlerFor(cb)) { |
| handler.forget(); |
| mRmtSbmxFullVolDeathHandlers.remove(handler); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** call synchronized on mRmtSbmxFullVolDeathHandlers */ |
| private boolean hasRmtSbmxFullVolDeathHandlerFor(IBinder cb) { |
| Iterator<RmtSbmxFullVolDeathHandler> it = mRmtSbmxFullVolDeathHandlers.iterator(); |
| while (it.hasNext()) { |
| if (it.next().isHandlerFor(cb)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private int mRmtSbmxFullVolRefCount = 0; |
| private ArrayList<RmtSbmxFullVolDeathHandler> mRmtSbmxFullVolDeathHandlers = |
| new ArrayList<RmtSbmxFullVolDeathHandler>(); |
| |
| public void forceRemoteSubmixFullVolume(boolean startForcing, IBinder cb) { |
| if (cb == null) { |
| return; |
| } |
| if ((PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.CAPTURE_AUDIO_OUTPUT))) { |
| Log.w(TAG, "Trying to call forceRemoteSubmixFullVolume() without CAPTURE_AUDIO_OUTPUT"); |
| return; |
| } |
| synchronized(mRmtSbmxFullVolDeathHandlers) { |
| boolean applyRequired = false; |
| if (startForcing) { |
| if (!hasRmtSbmxFullVolDeathHandlerFor(cb)) { |
| mRmtSbmxFullVolDeathHandlers.add(new RmtSbmxFullVolDeathHandler(cb)); |
| if (mRmtSbmxFullVolRefCount == 0) { |
| mFullVolumeDevices |= AudioSystem.DEVICE_OUT_REMOTE_SUBMIX; |
| mFixedVolumeDevices |= AudioSystem.DEVICE_OUT_REMOTE_SUBMIX; |
| applyRequired = true; |
| } |
| mRmtSbmxFullVolRefCount++; |
| } |
| } else { |
| if (discardRmtSbmxFullVolDeathHandlerFor(cb) && (mRmtSbmxFullVolRefCount > 0)) { |
| mRmtSbmxFullVolRefCount--; |
| if (mRmtSbmxFullVolRefCount == 0) { |
| mFullVolumeDevices &= ~AudioSystem.DEVICE_OUT_REMOTE_SUBMIX; |
| mFixedVolumeDevices &= ~AudioSystem.DEVICE_OUT_REMOTE_SUBMIX; |
| applyRequired = true; |
| } |
| } |
| } |
| if (applyRequired) { |
| // Assumes only STREAM_MUSIC going through DEVICE_OUT_REMOTE_SUBMIX |
| checkAllFixedVolumeDevices(AudioSystem.STREAM_MUSIC); |
| mStreamStates[AudioSystem.STREAM_MUSIC].applyAllVolumes(); |
| } |
| } |
| } |
| |
| private void setMasterMuteInternal(boolean mute, int flags, String callingPackage, int uid, |
| int userId) { |
| // If we are being called by the system check for user we are going to change |
| // so we handle user restrictions correctly. |
| if (uid == android.os.Process.SYSTEM_UID) { |
| uid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); |
| } |
| // If OP_AUDIO_MASTER_VOLUME is set, disallow unmuting. |
| if (!mute && mAppOps.noteOp(AppOpsManager.OP_AUDIO_MASTER_VOLUME, uid, callingPackage) |
| != AppOpsManager.MODE_ALLOWED) { |
| return; |
| } |
| if (userId != UserHandle.getCallingUserId() && |
| mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED) { |
| return; |
| } |
| setMasterMuteInternalNoCallerCheck(mute, flags, userId); |
| } |
| |
| private void setMasterMuteInternalNoCallerCheck(boolean mute, int flags, int userId) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Master mute %s, %d, user=%d", mute, flags, userId)); |
| } |
| if (!isPlatformAutomotive() && mUseFixedVolume) { |
| // If using fixed volume, we don't mute. |
| // TODO: remove the isPlatformAutomotive check here. |
| // The isPlatformAutomotive check is added for safety but may not be necessary. |
| return; |
| } |
| // For automotive, |
| // - the car service is always running as system user |
| // - foreground users are non-system users |
| // Car service is in charge of dispatching the key event include master mute to Android. |
| // Therefore, the getCurrentUser() is always different to the foreground user. |
| if ((isPlatformAutomotive() && userId == UserHandle.USER_SYSTEM) |
| || (getCurrentUserId() == userId)) { |
| if (mute != AudioSystem.getMasterMute()) { |
| setSystemAudioMute(mute); |
| AudioSystem.setMasterMute(mute); |
| sendMasterMuteUpdate(mute, flags); |
| |
| Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION); |
| intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, mute); |
| sendBroadcastToAll(intent); |
| } |
| } |
| } |
| |
| /** get master mute state. */ |
| public boolean isMasterMute() { |
| return AudioSystem.getMasterMute(); |
| } |
| |
| public void setMasterMute(boolean mute, int flags, String callingPackage, int userId) { |
| setMasterMuteInternal(mute, flags, callingPackage, Binder.getCallingUid(), |
| userId); |
| } |
| |
| /** @see AudioManager#getStreamVolume(int) */ |
| public int getStreamVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| int device = getDeviceForStream(streamType); |
| synchronized (VolumeStreamState.class) { |
| int index = mStreamStates[streamType].getIndex(device); |
| |
| // by convention getStreamVolume() returns 0 when a stream is muted. |
| if (mStreamStates[streamType].mIsMuted) { |
| index = 0; |
| } |
| if (index != 0 && (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) && |
| (device & mFixedVolumeDevices) != 0) { |
| index = mStreamStates[streamType].getMaxIndex(); |
| } |
| return (index + 5) / 10; |
| } |
| } |
| |
| /** @see AudioManager#getStreamMaxVolume(int) */ |
| public int getStreamMaxVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| return (mStreamStates[streamType].getMaxIndex() + 5) / 10; |
| } |
| |
| /** @see AudioManager#getStreamMinVolumeInt(int) */ |
| public int getStreamMinVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| return (mStreamStates[streamType].getMinIndex() + 5) / 10; |
| } |
| |
| /** Get last audible volume before stream was muted. */ |
| public int getLastAudibleStreamVolume(int streamType) { |
| ensureValidStreamType(streamType); |
| int device = getDeviceForStream(streamType); |
| return (mStreamStates[streamType].getIndex(device) + 5) / 10; |
| } |
| |
| /** @see AudioManager#getUiSoundsStreamType() */ |
| public int getUiSoundsStreamType() { |
| return mStreamVolumeAlias[AudioSystem.STREAM_SYSTEM]; |
| } |
| |
| /** @see AudioManager#setMicrophoneMute(boolean) */ |
| @Override |
| public void setMicrophoneMute(boolean on, String callingPackage, int userId) { |
| // If we are being called by the system check for user we are going to change |
| // so we handle user restrictions correctly. |
| int uid = Binder.getCallingUid(); |
| if (uid == android.os.Process.SYSTEM_UID) { |
| uid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); |
| } |
| // If OP_MUTE_MICROPHONE is set, disallow unmuting. |
| if (!on && mAppOps.noteOp(AppOpsManager.OP_MUTE_MICROPHONE, uid, callingPackage) |
| != AppOpsManager.MODE_ALLOWED) { |
| return; |
| } |
| if (!checkAudioSettingsPermission("setMicrophoneMute()")) { |
| return; |
| } |
| if (userId != UserHandle.getCallingUserId() && |
| mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED) { |
| return; |
| } |
| mMicMuteFromApi = on; |
| setMicrophoneMuteNoCallerCheck(userId); |
| } |
| |
| /** @see AudioManager#setMicrophoneMuteFromSwitch(boolean) */ |
| public void setMicrophoneMuteFromSwitch(boolean on) { |
| int userId = Binder.getCallingUid(); |
| if (userId != android.os.Process.SYSTEM_UID) { |
| Log.e(TAG, "setMicrophoneMuteFromSwitch() called from non system user!"); |
| return; |
| } |
| mMicMuteFromSwitch = on; |
| setMicrophoneMuteNoCallerCheck(userId); |
| } |
| |
| private void setMicMuteFromSwitchInput() { |
| InputManager im = mContext.getSystemService(InputManager.class); |
| final int isMicMuted = im.isMicMuted(); |
| if (isMicMuted != InputManager.SWITCH_STATE_UNKNOWN) { |
| setMicrophoneMuteFromSwitch(im.isMicMuted() != InputManager.SWITCH_STATE_OFF); |
| } |
| } |
| |
| public boolean isMicrophoneMuted() { |
| return mMicMuteFromSwitch || mMicMuteFromRestrictions || mMicMuteFromApi; |
| } |
| |
| private void setMicrophoneMuteNoCallerCheck(int userId) { |
| final boolean muted = isMicrophoneMuted(); |
| if (DEBUG_VOL) { |
| Log.d(TAG, String.format("Mic mute %b, user=%d", muted, userId)); |
| } |
| // only mute for the current user |
| if (getCurrentUserId() == userId || userId == android.os.Process.SYSTEM_UID) { |
| final boolean currentMute = AudioSystem.isMicrophoneMuted(); |
| final long identity = Binder.clearCallingIdentity(); |
| AudioSystem.muteMicrophone(muted); |
| Binder.restoreCallingIdentity(identity); |
| if (muted != currentMute) { |
| mContext.sendBroadcastAsUser( |
| new Intent(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED) |
| .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY), UserHandle.ALL); |
| } |
| } |
| } |
| |
| @Override |
| public int getRingerModeExternal() { |
| synchronized(mSettingsLock) { |
| return mRingerModeExternal; |
| } |
| } |
| |
| @Override |
| public int getRingerModeInternal() { |
| synchronized(mSettingsLock) { |
| return mRingerMode; |
| } |
| } |
| |
| private void ensureValidRingerMode(int ringerMode) { |
| if (!isValidRingerMode(ringerMode)) { |
| throw new IllegalArgumentException("Bad ringer mode " + ringerMode); |
| } |
| } |
| |
| /** @see AudioManager#isValidRingerMode(int) */ |
| public boolean isValidRingerMode(int ringerMode) { |
| return ringerMode >= 0 && ringerMode <= AudioManager.RINGER_MODE_MAX; |
| } |
| |
| public void setRingerModeExternal(int ringerMode, String caller) { |
| if (isAndroidNPlus(caller) && wouldToggleZenMode(ringerMode) |
| && !mNm.isNotificationPolicyAccessGrantedForPackage(caller)) { |
| throw new SecurityException("Not allowed to change Do Not Disturb state"); |
| } |
| |
| setRingerMode(ringerMode, caller, true /*external*/); |
| } |
| |
| public void setRingerModeInternal(int ringerMode, String caller) { |
| enforceVolumeController("setRingerModeInternal"); |
| setRingerMode(ringerMode, caller, false /*external*/); |
| } |
| |
| public void silenceRingerModeInternal(String reason) { |
| VibrationEffect effect = null; |
| int ringerMode = AudioManager.RINGER_MODE_SILENT; |
| int toastText = 0; |
| |
| int silenceRingerSetting = Settings.Secure.VOLUME_HUSH_OFF; |
| if (mContext.getResources() |
| .getBoolean(com.android.internal.R.bool.config_volumeHushGestureEnabled)) { |
| silenceRingerSetting = Settings.Secure.getIntForUser(mContentResolver, |
| Settings.Secure.VOLUME_HUSH_GESTURE, VOLUME_HUSH_OFF, |
| UserHandle.USER_CURRENT); |
| } |
| |
| switch(silenceRingerSetting) { |
| case VOLUME_HUSH_MUTE: |
| effect = VibrationEffect.get(VibrationEffect.EFFECT_DOUBLE_CLICK); |
| ringerMode = AudioManager.RINGER_MODE_SILENT; |
| toastText = com.android.internal.R.string.volume_dialog_ringer_guidance_silent; |
| break; |
| case VOLUME_HUSH_VIBRATE: |
| effect = VibrationEffect.get(VibrationEffect.EFFECT_HEAVY_CLICK); |
| ringerMode = AudioManager.RINGER_MODE_VIBRATE; |
| toastText = com.android.internal.R.string.volume_dialog_ringer_guidance_vibrate; |
| break; |
| } |
| maybeVibrate(effect, reason); |
| setRingerModeInternal(ringerMode, reason); |
| Toast.makeText(mContext, toastText, Toast.LENGTH_SHORT).show(); |
| } |
| |
| private boolean maybeVibrate(VibrationEffect effect, String reason) { |
| if (!mHasVibrator) { |
| return false; |
| } |
| final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(), |
| Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0; |
| if (hapticsDisabled) { |
| return false; |
| } |
| |
| if (effect == null) { |
| return false; |
| } |
| mVibrator.vibrate(Binder.getCallingUid(), mContext.getOpPackageName(), effect, |
| reason, VIBRATION_ATTRIBUTES); |
| return true; |
| } |
| |
| private void setRingerMode(int ringerMode, String caller, boolean external) { |
| if (mUseFixedVolume || mIsSingleVolume) { |
| return; |
| } |
| if (caller == null || caller.length() == 0) { |
| throw new IllegalArgumentException("Bad caller: " + caller); |
| } |
| ensureValidRingerMode(ringerMode); |
| if ((ringerMode == AudioManager.RINGER_MODE_VIBRATE) && !mHasVibrator) { |
| ringerMode = AudioManager.RINGER_MODE_SILENT; |
| } |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mSettingsLock) { |
| final int ringerModeInternal = getRingerModeInternal(); |
| final int ringerModeExternal = getRingerModeExternal(); |
| if (external) { |
| setRingerModeExt(ringerMode); |
| if (mRingerModeDelegate != null) { |
| ringerMode = mRingerModeDelegate.onSetRingerModeExternal(ringerModeExternal, |
| ringerMode, caller, ringerModeInternal, mVolumePolicy); |
| } |
| if (ringerMode != ringerModeInternal) { |
| setRingerModeInt(ringerMode, true /*persist*/); |
| } |
| } else /*internal*/ { |
| if (ringerMode != ringerModeInternal) { |
| setRingerModeInt(ringerMode, true /*persist*/); |
| } |
| if (mRingerModeDelegate != null) { |
| ringerMode = mRingerModeDelegate.onSetRingerModeInternal(ringerModeInternal, |
| ringerMode, caller, ringerModeExternal, mVolumePolicy); |
| } |
| setRingerModeExt(ringerMode); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private void setRingerModeExt(int ringerMode) { |
| synchronized(mSettingsLock) { |
| if (ringerMode == mRingerModeExternal) return; |
| mRingerModeExternal = ringerMode; |
| } |
| // Send sticky broadcast |
| broadcastRingerMode(AudioManager.RINGER_MODE_CHANGED_ACTION, ringerMode); |
| } |
| |
| @GuardedBy("mSettingsLock") |
| private void muteRingerModeStreams() { |
| // Mute stream if not previously muted by ringer mode and (ringer mode |
| // is not RINGER_MODE_NORMAL OR stream is zen muted) and stream is affected by ringer mode. |
| // Unmute stream if previously muted by ringer/zen mode and ringer mode |
| // is RINGER_MODE_NORMAL or stream is not affected by ringer mode. |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| |
| if (mNm == null) { |
| mNm = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| } |
| |
| final int ringerMode = mRingerMode; // Read ringer mode as reading primitives is atomic |
| final boolean ringerModeMute = ringerMode == AudioManager.RINGER_MODE_VIBRATE |
| || ringerMode == AudioManager.RINGER_MODE_SILENT; |
| final boolean shouldRingSco = ringerMode == AudioManager.RINGER_MODE_VIBRATE |
| && isBluetoothScoOn(); |
| // Ask audio policy engine to force use Bluetooth SCO channel if needed |
| final String eventSource = "muteRingerModeStreams() from u/pid:" + Binder.getCallingUid() |
| + "/" + Binder.getCallingPid(); |
| sendMsg(mAudioHandler, MSG_SET_FORCE_USE, SENDMSG_QUEUE, AudioSystem.FOR_VIBRATE_RINGING, |
| shouldRingSco ? AudioSystem.FORCE_BT_SCO : AudioSystem.FORCE_NONE, eventSource, 0); |
| |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| final boolean isMuted = isStreamMutedByRingerOrZenMode(streamType); |
| final boolean muteAllowedBySco = |
| !(shouldRingSco && streamType == AudioSystem.STREAM_RING); |
| final boolean shouldZenMute = shouldZenMuteStream(streamType); |
| final boolean shouldMute = shouldZenMute || (ringerModeMute |
| && isStreamAffectedByRingerMode(streamType) && muteAllowedBySco); |
| if (isMuted == shouldMute) continue; |
| if (!shouldMute) { |
| // unmute |
| // ring and notifications volume should never be 0 when not silenced |
| if (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_RING) { |
| synchronized (VolumeStreamState.class) { |
| final VolumeStreamState vss = mStreamStates[streamType]; |
| for (int i = 0; i < vss.mIndexMap.size(); i++) { |
| int device = vss.mIndexMap.keyAt(i); |
| int value = vss.mIndexMap.valueAt(i); |
| if (value == 0) { |
| vss.setIndex(10, device, TAG); |
| } |
| } |
| // Persist volume for stream ring when it is changed here |
| final int device = getDeviceForStream(streamType); |
| sendMsg(mAudioHandler, |
| MSG_PERSIST_VOLUME, |
| SENDMSG_QUEUE, |
| device, |
| 0, |
| mStreamStates[streamType], |
| PERSIST_DELAY); |
| } |
| } |
| mStreamStates[streamType].mute(false); |
| mRingerAndZenModeMutedStreams &= ~(1 << streamType); |
| } else { |
| // mute |
| mStreamStates[streamType].mute(true); |
| mRingerAndZenModeMutedStreams |= (1 << streamType); |
| } |
| } |
| } |
| |
| private boolean isAlarm(int streamType) { |
| return streamType == AudioSystem.STREAM_ALARM; |
| } |
| |
| private boolean isNotificationOrRinger(int streamType) { |
| return streamType == AudioSystem.STREAM_NOTIFICATION |
| || streamType == AudioSystem.STREAM_RING; |
| } |
| |
| private boolean isMedia(int streamType) { |
| return streamType == AudioSystem.STREAM_MUSIC; |
| } |
| |
| |
| private boolean isSystem(int streamType) { |
| return streamType == AudioSystem.STREAM_SYSTEM; |
| } |
| |
| private void setRingerModeInt(int ringerMode, boolean persist) { |
| final boolean change; |
| synchronized(mSettingsLock) { |
| change = mRingerMode != ringerMode; |
| mRingerMode = ringerMode; |
| muteRingerModeStreams(); |
| } |
| |
| // Post a persist ringer mode msg |
| if (persist) { |
| sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, |
| SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); |
| } |
| if (change) { |
| // Send sticky broadcast |
| broadcastRingerMode(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION, ringerMode); |
| } |
| } |
| |
| /*package*/ void postUpdateRingerModeServiceInt() { |
| sendMsg(mAudioHandler, MSG_UPDATE_RINGER_MODE, SENDMSG_QUEUE, 0, 0, null, 0); |
| } |
| |
| private void onUpdateRingerModeServiceInt() { |
| setRingerModeInt(getRingerModeInternal(), false); |
| } |
| |
| /** @see AudioManager#shouldVibrate(int) */ |
| public boolean shouldVibrate(int vibrateType) { |
| if (!mHasVibrator) return false; |
| |
| switch (getVibrateSetting(vibrateType)) { |
| |
| case AudioManager.VIBRATE_SETTING_ON: |
| return getRingerModeExternal() != AudioManager.RINGER_MODE_SILENT; |
| |
| case AudioManager.VIBRATE_SETTING_ONLY_SILENT: |
| return getRingerModeExternal() == AudioManager.RINGER_MODE_VIBRATE; |
| |
| case AudioManager.VIBRATE_SETTING_OFF: |
| // return false, even for incoming calls |
| return false; |
| |
| default: |
| return false; |
| } |
| } |
| |
| /** @see AudioManager#getVibrateSetting(int) */ |
| public int getVibrateSetting(int vibrateType) { |
| if (!mHasVibrator) return AudioManager.VIBRATE_SETTING_OFF; |
| return (mVibrateSetting >> (vibrateType * 2)) & 3; |
| } |
| |
| /** @see AudioManager#setVibrateSetting(int, int) */ |
| public void setVibrateSetting(int vibrateType, int vibrateSetting) { |
| |
| if (!mHasVibrator) return; |
| |
| mVibrateSetting = AudioSystem.getValueForVibrateSetting(mVibrateSetting, vibrateType, |
| vibrateSetting); |
| |
| // Broadcast change |
| broadcastVibrateSetting(vibrateType); |
| |
| } |
| |
| /** |
| * Return the pid of the current audio mode owner |
| * @return 0 if nobody owns the mode |
| */ |
| /*package*/ int getModeOwnerPid() { |
| return mCurrentModeOwnerPid; |
| } |
| |
| |
| private class SetModeDeathHandler implements IBinder.DeathRecipient { |
| private IBinder mCb; // To be notified of client's death |
| private int mPid; |
| private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client |
| |
| SetModeDeathHandler(IBinder cb, int pid) { |
| mCb = cb; |
| mPid = pid; |
| } |
| |
| public void binderDied() { |
| int oldModeOwnerPid = 0; |
| int newModeOwnerPid = 0; |
| synchronized (mSetModeDeathHandlers) { |
| Log.w(TAG, "setMode() client died"); |
| if (!mSetModeDeathHandlers.isEmpty()) { |
| oldModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); |
| } |
| int index = mSetModeDeathHandlers.indexOf(this); |
| if (index < 0) { |
| Log.w(TAG, "unregistered setMode() client died"); |
| } else { |
| newModeOwnerPid = setModeInt(AudioSystem.MODE_NORMAL, mCb, mPid, TAG); |
| } |
| |
| if (newModeOwnerPid != oldModeOwnerPid) { |
| mCurrentModeOwnerPid = newModeOwnerPid; |
| // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all SCO |
| // connections not started by the application changing the mode when pid changes |
| if (newModeOwnerPid != 0) { |
| mDeviceBroker.postDisconnectBluetoothSco(newModeOwnerPid); |
| } |
| } |
| } |
| } |
| |
| public int getPid() { |
| return mPid; |
| } |
| |
| public void setMode(int mode) { |
| mMode = mode; |
| } |
| |
| public int getMode() { |
| return mMode; |
| } |
| |
| public IBinder getBinder() { |
| return mCb; |
| } |
| } |
| |
| /** @see AudioManager#setMode(int) */ |
| public void setMode(int mode, IBinder cb, String callingPackage) { |
| if (DEBUG_MODE) { |
| Log.v(TAG, "setMode(mode=" + mode + ", callingPackage=" + callingPackage + ")"); |
| } |
| if (!checkAudioSettingsPermission("setMode()")) { |
| return; |
| } |
| |
| if ((mode == AudioSystem.MODE_IN_CALL) |
| && (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE) |
| != PackageManager.PERMISSION_GRANTED)) { |
| Log.w(TAG, "MODIFY_PHONE_STATE Permission Denial: setMode(MODE_IN_CALL) from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| if (mode < AudioSystem.MODE_CURRENT || mode >= AudioSystem.NUM_MODES) { |
| return; |
| } |
| |
| int oldModeOwnerPid = 0; |
| int newModeOwnerPid = 0; |
| synchronized (mSetModeDeathHandlers) { |
| if (!mSetModeDeathHandlers.isEmpty()) { |
| oldModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); |
| } |
| if (mode == AudioSystem.MODE_CURRENT) { |
| mode = mMode; |
| } |
| newModeOwnerPid = setModeInt(mode, cb, Binder.getCallingPid(), callingPackage); |
| |
| if (newModeOwnerPid != oldModeOwnerPid) { |
| mCurrentModeOwnerPid = newModeOwnerPid; |
| // when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all |
| // SCO connections not started by the application changing the mode when pid changes |
| if (newModeOwnerPid != 0) { |
| mDeviceBroker.postDisconnectBluetoothSco(newModeOwnerPid); |
| } |
| } |
| } |
| } |
| |
| // setModeInt() returns a valid PID if the audio mode was successfully set to |
| // any mode other than NORMAL. |
| @GuardedBy("mSetModeDeathHandlers") |
| private int setModeInt(int mode, IBinder cb, int pid, String caller) { |
| if (DEBUG_MODE) { Log.v(TAG, "setModeInt(mode=" + mode + ", pid=" + pid + ", caller=" |
| + caller + ")"); } |
| int newModeOwnerPid = 0; |
| if (cb == null) { |
| Log.e(TAG, "setModeInt() called with null binder"); |
| return newModeOwnerPid; |
| } |
| |
| SetModeDeathHandler hdlr = null; |
| Iterator iter = mSetModeDeathHandlers.iterator(); |
| while (iter.hasNext()) { |
| SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); |
| if (h.getPid() == pid) { |
| hdlr = h; |
| // Remove from client list so that it is re-inserted at top of list |
| iter.remove(); |
| hdlr.getBinder().unlinkToDeath(hdlr, 0); |
| break; |
| } |
| } |
| final int oldMode = mMode; |
| int status = AudioSystem.AUDIO_STATUS_OK; |
| int actualMode; |
| do { |
| actualMode = mode; |
| if (mode == AudioSystem.MODE_NORMAL) { |
| // get new mode from client at top the list if any |
| if (!mSetModeDeathHandlers.isEmpty()) { |
| hdlr = mSetModeDeathHandlers.get(0); |
| cb = hdlr.getBinder(); |
| actualMode = hdlr.getMode(); |
| if (DEBUG_MODE) { |
| Log.w(TAG, " using mode=" + mode + " instead due to death hdlr at pid=" |
| + hdlr.mPid); |
| } |
| } |
| } else { |
| if (hdlr == null) { |
| hdlr = new SetModeDeathHandler(cb, pid); |
| } |
| // Register for client death notification |
| try { |
| cb.linkToDeath(hdlr, 0); |
| } catch (RemoteException e) { |
| // Client has died! |
| Log.w(TAG, "setMode() could not link to "+cb+" binder death"); |
| } |
| |
| // Last client to call setMode() is always at top of client list |
| // as required by SetModeDeathHandler.binderDied() |
| mSetModeDeathHandlers.add(0, hdlr); |
| hdlr.setMode(mode); |
| } |
| |
| if (actualMode != mMode) { |
| final long identity = Binder.clearCallingIdentity(); |
| status = AudioSystem.setPhoneState(actualMode); |
| Binder.restoreCallingIdentity(identity); |
| if (status == AudioSystem.AUDIO_STATUS_OK) { |
| if (DEBUG_MODE) { Log.v(TAG, " mode successfully set to " + actualMode); } |
| mMode = actualMode; |
| } else { |
| if (hdlr != null) { |
| mSetModeDeathHandlers.remove(hdlr); |
| cb.unlinkToDeath(hdlr, 0); |
| } |
| // force reading new top of mSetModeDeathHandlers stack |
| if (DEBUG_MODE) { Log.w(TAG, " mode set to MODE_NORMAL after phoneState pb"); } |
| mode = AudioSystem.MODE_NORMAL; |
| } |
| } else { |
| status = AudioSystem.AUDIO_STATUS_OK; |
| } |
| } while (status != AudioSystem.AUDIO_STATUS_OK && !mSetModeDeathHandlers.isEmpty()); |
| |
| if (status == AudioSystem.AUDIO_STATUS_OK) { |
| if (actualMode != AudioSystem.MODE_NORMAL) { |
| if (mSetModeDeathHandlers.isEmpty()) { |
| Log.e(TAG, "setMode() different from MODE_NORMAL with empty mode client stack"); |
| } else { |
| newModeOwnerPid = mSetModeDeathHandlers.get(0).getPid(); |
| } |
| } |
| // Note: newModeOwnerPid is always 0 when actualMode is MODE_NORMAL |
| mModeLogger.log( |
| new PhoneStateEvent(caller, pid, mode, newModeOwnerPid, actualMode)); |
| int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); |
| int device = getDeviceForStream(streamType); |
| int index = mStreamStates[mStreamVolumeAlias[streamType]].getIndex(device); |
| setStreamVolumeInt(mStreamVolumeAlias[streamType], index, device, true, caller); |
| |
| updateStreamVolumeAlias(true /*updateVolumes*/, caller); |
| |
| // change of mode may require volume to be re-applied on some devices |
| updateAbsVolumeMultiModeDevices(oldMode, actualMode); |
| } |
| return newModeOwnerPid; |
| } |
| |
| /** @see AudioManager#getMode() */ |
| public int getMode() { |
| return mMode; |
| } |
| |
| //========================================================================================== |
| // Sound Effects |
| //========================================================================================== |
| private static final class LoadSoundEffectReply |
| implements SoundEffectsHelper.OnEffectsLoadCompleteHandler { |
| private static final int SOUND_EFFECTS_LOADING = 1; |
| private static final int SOUND_EFFECTS_LOADED = 0; |
| private static final int SOUND_EFFECTS_ERROR = -1; |
| private static final int SOUND_EFFECTS_LOAD_TIMEOUT_MS = 5000; |
| |
| private int mStatus = SOUND_EFFECTS_LOADING; |
| |
| @Override |
| public synchronized void run(boolean success) { |
| mStatus = success ? SOUND_EFFECTS_LOADED : SOUND_EFFECTS_ERROR; |
| notify(); |
| } |
| |
| public synchronized boolean waitForLoaded(int attempts) { |
| while ((mStatus == SOUND_EFFECTS_LOADING) && (attempts-- > 0)) { |
| try { |
| wait(SOUND_EFFECTS_LOAD_TIMEOUT_MS); |
| } catch (InterruptedException e) { |
| Log.w(TAG, "Interrupted while waiting sound pool loaded."); |
| } |
| } |
| return mStatus == SOUND_EFFECTS_LOADED; |
| } |
| } |
| |
| /** @see AudioManager#playSoundEffect(int) */ |
| public void playSoundEffect(int effectType) { |
| playSoundEffectVolume(effectType, -1.0f); |
| } |
| |
| /** @see AudioManager#playSoundEffect(int, float) */ |
| public void playSoundEffectVolume(int effectType, float volume) { |
| // do not try to play the sound effect if the system stream is muted |
| if (isStreamMutedByRingerOrZenMode(STREAM_SYSTEM)) { |
| return; |
| } |
| |
| if (effectType >= AudioManager.NUM_SOUND_EFFECTS || effectType < 0) { |
| Log.w(TAG, "AudioService effectType value " + effectType + " out of range"); |
| return; |
| } |
| |
| sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SENDMSG_QUEUE, |
| effectType, (int) (volume * 1000), null, 0); |
| } |
| |
| /** |
| * Loads samples into the soundpool. |
| * This method must be called at first when sound effects are enabled |
| */ |
| public boolean loadSoundEffects() { |
| LoadSoundEffectReply reply = new LoadSoundEffectReply(); |
| sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE, 0, 0, reply, 0); |
| return reply.waitForLoaded(3 /*attempts*/); |
| } |
| |
| /** |
| * Schedule loading samples into the soundpool. |
| * This method can be overridden to schedule loading at a later time. |
| */ |
| protected void scheduleLoadSoundEffects() { |
| sendMsg(mAudioHandler, MSG_LOAD_SOUND_EFFECTS, SENDMSG_QUEUE, 0, 0, null, 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); |
| } |
| |
| /** @see AudioManager#reloadAudioSettings() */ |
| public void reloadAudioSettings() { |
| readAudioSettings(false /*userSwitch*/); |
| } |
| |
| private void readAudioSettings(boolean userSwitch) { |
| // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings |
| readPersistedSettings(); |
| readUserRestrictions(); |
| |
| // restore volume settings |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = 0; streamType < numStreamTypes; streamType++) { |
| VolumeStreamState streamState = mStreamStates[streamType]; |
| |
| if (userSwitch && mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) { |
| continue; |
| } |
| |
| streamState.readSettings(); |
| synchronized (VolumeStreamState.class) { |
| // unmute stream that was muted but is not affect by mute anymore |
| if (streamState.mIsMuted && ((!isStreamAffectedByMute(streamType) && |
| !isStreamMutedByRingerOrZenMode(streamType)) || mUseFixedVolume)) { |
| streamState.mIsMuted = false; |
| } |
| } |
| } |
| |
| // apply new ringer mode before checking volume for alias streams so that streams |
| // muted by ringer mode have the correct volume |
| setRingerModeInt(getRingerModeInternal(), false); |
| |
| checkAllFixedVolumeDevices(); |
| checkAllAliasStreamVolumes(); |
| checkMuteAffectedStreams(); |
| |
| synchronized (mSafeMediaVolumeStateLock) { |
| mMusicActiveMs = MathUtils.constrain(Settings.Secure.getIntForUser(mContentResolver, |
| Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS, 0, UserHandle.USER_CURRENT), |
| 0, UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX); |
| if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE) { |
| enforceSafeMediaVolume(TAG); |
| } |
| } |
| } |
| |
| /** @see AudioManager#setSpeakerphoneOn(boolean) */ |
| public void setSpeakerphoneOn(boolean on){ |
| if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { |
| return; |
| } |
| |
| if (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE) |
| != PackageManager.PERMISSION_GRANTED) { |
| synchronized (mSetModeDeathHandlers) { |
| for (SetModeDeathHandler h : mSetModeDeathHandlers) { |
| if (h.getMode() == AudioSystem.MODE_IN_CALL) { |
| Log.w(TAG, "getMode is call, Permission Denial: setSpeakerphoneOn from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| } |
| } |
| } |
| |
| // for logging only |
| final String eventSource = new StringBuilder("setSpeakerphoneOn(").append(on) |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| final boolean stateChanged = mDeviceBroker.setSpeakerphoneOn(on, eventSource); |
| if (stateChanged) { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendBroadcastAsUser( |
| new Intent(AudioManager.ACTION_SPEAKERPHONE_STATE_CHANGED) |
| .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY), UserHandle.ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| /** @see AudioManager#isSpeakerphoneOn() */ |
| public boolean isSpeakerphoneOn() { |
| return mDeviceBroker.isSpeakerphoneOn(); |
| } |
| |
| /** @see AudioManager#setBluetoothScoOn(boolean) */ |
| public void setBluetoothScoOn(boolean on) { |
| if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { |
| return; |
| } |
| |
| // Only enable calls from system components |
| if (UserHandle.getCallingAppId() >= FIRST_APPLICATION_UID) { |
| mDeviceBroker.setBluetoothScoOnByApp(on); |
| return; |
| } |
| |
| // for logging only |
| final String eventSource = new StringBuilder("setBluetoothScoOn(").append(on) |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| |
| mDeviceBroker.setBluetoothScoOn(on, eventSource); |
| } |
| |
| /** @see AudioManager#isBluetoothScoOn() |
| * Note that it doesn't report internal state, but state seen by apps (which may have |
| * called setBluetoothScoOn() */ |
| public boolean isBluetoothScoOn() { |
| return mDeviceBroker.isBluetoothScoOnForApp(); |
| } |
| |
| // TODO investigate internal users due to deprecation of SDK API |
| /** @see AudioManager#setBluetoothA2dpOn(boolean) */ |
| public void setBluetoothA2dpOn(boolean on) { |
| // for logging only |
| final String eventSource = new StringBuilder("setBluetoothA2dpOn(").append(on) |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| mDeviceBroker.setBluetoothA2dpOn_Async(on, eventSource); |
| } |
| |
| /** @see AudioManager#isBluetoothA2dpOn() */ |
| public boolean isBluetoothA2dpOn() { |
| return mDeviceBroker.isBluetoothA2dpOn(); |
| } |
| |
| /** @see AudioManager#startBluetoothSco() */ |
| public void startBluetoothSco(IBinder cb, int targetSdkVersion) { |
| final int scoAudioMode = |
| (targetSdkVersion < Build.VERSION_CODES.JELLY_BEAN_MR2) ? |
| BtHelper.SCO_MODE_VIRTUAL_CALL : BtHelper.SCO_MODE_UNDEFINED; |
| final String eventSource = new StringBuilder("startBluetoothSco()") |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| startBluetoothScoInt(cb, scoAudioMode, eventSource); |
| } |
| |
| /** @see AudioManager#startBluetoothScoVirtualCall() */ |
| public void startBluetoothScoVirtualCall(IBinder cb) { |
| final String eventSource = new StringBuilder("startBluetoothScoVirtualCall()") |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| startBluetoothScoInt(cb, BtHelper.SCO_MODE_VIRTUAL_CALL, eventSource); |
| } |
| |
| void startBluetoothScoInt(IBinder cb, int scoAudioMode, @NonNull String eventSource) { |
| if (!checkAudioSettingsPermission("startBluetoothSco()") || |
| !mSystemReady) { |
| return; |
| } |
| mDeviceBroker.startBluetoothScoForClient_Sync(cb, scoAudioMode, eventSource); |
| } |
| |
| /** @see AudioManager#stopBluetoothSco() */ |
| public void stopBluetoothSco(IBinder cb){ |
| if (!checkAudioSettingsPermission("stopBluetoothSco()") || |
| !mSystemReady) { |
| return; |
| } |
| final String eventSource = new StringBuilder("stopBluetoothSco()") |
| .append(") from u/pid:").append(Binder.getCallingUid()).append("/") |
| .append(Binder.getCallingPid()).toString(); |
| mDeviceBroker.stopBluetoothScoForClient_Sync(cb, eventSource); |
| } |
| |
| |
| /*package*/ ContentResolver getContentResolver() { |
| return mContentResolver; |
| } |
| |
| private void onCheckMusicActive(String caller) { |
| synchronized (mSafeMediaVolumeStateLock) { |
| if (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_INACTIVE) { |
| int device = getDeviceForStream(AudioSystem.STREAM_MUSIC); |
| |
| if ((device & mSafeMediaVolumeDevices) != 0) { |
| sendMsg(mAudioHandler, |
| MSG_CHECK_MUSIC_ACTIVE, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| caller, |
| MUSIC_ACTIVE_POLL_PERIOD_MS); |
| int index = mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(device); |
| if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0) |
| && (index > safeMediaVolumeIndex(device))) { |
| // Approximate cumulative active music time |
| mMusicActiveMs += MUSIC_ACTIVE_POLL_PERIOD_MS; |
| if (mMusicActiveMs > UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX) { |
| setSafeMediaVolumeEnabled(true, caller); |
| mMusicActiveMs = 0; |
| } |
| saveMusicActiveMs(); |
| } |
| } |
| } |
| } |
| } |
| |
| private void saveMusicActiveMs() { |
| mAudioHandler.obtainMessage(MSG_PERSIST_MUSIC_ACTIVE_MS, mMusicActiveMs, 0).sendToTarget(); |
| } |
| |
| private int getSafeUsbMediaVolumeIndex() { |
| // determine UI volume index corresponding to the wanted safe gain in dBFS |
| int min = MIN_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]; |
| int max = MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]; |
| |
| mSafeUsbMediaVolumeDbfs = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_safe_media_volume_usb_mB) / 100.0f; |
| |
| while (Math.abs(max - min) > 1) { |
| int index = (max + min) / 2; |
| float gainDB = AudioSystem.getStreamVolumeDB( |
| AudioSystem.STREAM_MUSIC, index, AudioSystem.DEVICE_OUT_USB_HEADSET); |
| if (Float.isNaN(gainDB)) { |
| //keep last min in case of read error |
| break; |
| } else if (gainDB == mSafeUsbMediaVolumeDbfs) { |
| min = index; |
| break; |
| } else if (gainDB < mSafeUsbMediaVolumeDbfs) { |
| min = index; |
| } else { |
| max = index; |
| } |
| } |
| return min * 10; |
| } |
| |
| private void onConfigureSafeVolume(boolean force, String caller) { |
| synchronized (mSafeMediaVolumeStateLock) { |
| int mcc = mContext.getResources().getConfiguration().mcc; |
| if ((mMcc != mcc) || ((mMcc == 0) && force)) { |
| mSafeMediaVolumeIndex = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_safe_media_volume_index) * 10; |
| |
| mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex(); |
| |
| boolean safeMediaVolumeEnabled = |
| SystemProperties.getBoolean("audio.safemedia.force", false) |
| || mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_safe_media_volume_enabled); |
| |
| boolean safeMediaVolumeBypass = |
| SystemProperties.getBoolean("audio.safemedia.bypass", false); |
| |
| // The persisted state is either "disabled" or "active": this is the state applied |
| // next time we boot and cannot be "inactive" |
| int persistedState; |
| if (safeMediaVolumeEnabled && !safeMediaVolumeBypass) { |
| persistedState = SAFE_MEDIA_VOLUME_ACTIVE; |
| // The state can already be "inactive" here if the user has forced it before |
| // the 30 seconds timeout for forced configuration. In this case we don't reset |
| // it to "active". |
| if (mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_INACTIVE) { |
| if (mMusicActiveMs == 0) { |
| mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE; |
| enforceSafeMediaVolume(caller); |
| } else { |
| // We have existing playback time recorded, already confirmed. |
| mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_INACTIVE; |
| } |
| } |
| } else { |
| persistedState = SAFE_MEDIA_VOLUME_DISABLED; |
| mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_DISABLED; |
| } |
| mMcc = mcc; |
| sendMsg(mAudioHandler, |
| MSG_PERSIST_SAFE_VOLUME_STATE, |
| SENDMSG_QUEUE, |
| persistedState, |
| 0, |
| null, |
| 0); |
| } |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Internal methods |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Checks if the adjustment should change ringer mode instead of just |
| * adjusting volume. If so, this will set the proper ringer mode and volume |
| * indices on the stream states. |
| */ |
| private int checkForRingerModeChange(int oldIndex, int direction, int step, boolean isMuted, |
| String caller, int flags) { |
| int result = FLAG_ADJUST_VOLUME; |
| if (isPlatformTelevision() || mIsSingleVolume) { |
| return result; |
| } |
| |
| int ringerMode = getRingerModeInternal(); |
| |
| switch (ringerMode) { |
| case RINGER_MODE_NORMAL: |
| if (direction == AudioManager.ADJUST_LOWER) { |
| if (mHasVibrator) { |
| // "step" is the delta in internal index units corresponding to a |
| // change of 1 in UI index units. |
| // Because of rounding when rescaling from one stream index range to its alias |
| // index range, we cannot simply test oldIndex == step: |
| // (step <= oldIndex < 2 * step) is equivalent to: (old UI index == 1) |
| if (step <= oldIndex && oldIndex < 2 * step) { |
| ringerMode = RINGER_MODE_VIBRATE; |
| mLoweredFromNormalToVibrateTime = SystemClock.uptimeMillis(); |
| } |
| } else { |
| if (oldIndex == step && mVolumePolicy.volumeDownToEnterSilent) { |
| ringerMode = RINGER_MODE_SILENT; |
| } |
| } |
| } else if (mIsSingleVolume && (direction == AudioManager.ADJUST_TOGGLE_MUTE |
| || direction == AudioManager.ADJUST_MUTE)) { |
| if (mHasVibrator) { |
| ringerMode = RINGER_MODE_VIBRATE; |
| } else { |
| ringerMode = RINGER_MODE_SILENT; |
| } |
| // Setting the ringer mode will toggle mute |
| result &= ~FLAG_ADJUST_VOLUME; |
| } |
| break; |
| case RINGER_MODE_VIBRATE: |
| if (!mHasVibrator) { |
| Log.e(TAG, "checkForRingerModeChange() current ringer mode is vibrate" + |
| "but no vibrator is present"); |
| break; |
| } |
| if ((direction == AudioManager.ADJUST_LOWER)) { |
| // This is the case we were muted with the volume turned up |
| if (mIsSingleVolume && oldIndex >= 2 * step && isMuted) { |
| ringerMode = RINGER_MODE_NORMAL; |
| } else if (mPrevVolDirection != AudioManager.ADJUST_LOWER) { |
| if (mVolumePolicy.volumeDownToEnterSilent) { |
| final long diff = SystemClock.uptimeMillis() |
| - mLoweredFromNormalToVibrateTime; |
| if (diff > mVolumePolicy.vibrateToSilentDebounce |
| && mRingerModeDelegate.canVolumeDownEnterSilent()) { |
| ringerMode = RINGER_MODE_SILENT; |
| } |
| } else { |
| result |= AudioManager.FLAG_SHOW_VIBRATE_HINT; |
| } |
| } |
| } else if (direction == AudioManager.ADJUST_RAISE |
| || direction == AudioManager.ADJUST_TOGGLE_MUTE |
| || direction == AudioManager.ADJUST_UNMUTE) { |
| ringerMode = RINGER_MODE_NORMAL; |
| } |
| result &= ~FLAG_ADJUST_VOLUME; |
| break; |
| case RINGER_MODE_SILENT: |
| if (mIsSingleVolume && direction == AudioManager.ADJUST_LOWER && oldIndex >= 2 * step && isMuted) { |
| // This is the case we were muted with the volume turned up |
| ringerMode = RINGER_MODE_NORMAL; |
| } else if (direction == AudioManager.ADJUST_RAISE |
| || direction == AudioManager.ADJUST_TOGGLE_MUTE |
| || direction == AudioManager.ADJUST_UNMUTE) { |
| if (!mVolumePolicy.volumeUpToExitSilent) { |
| result |= AudioManager.FLAG_SHOW_SILENT_HINT; |
| } else { |
| if (mHasVibrator && direction == AudioManager.ADJUST_RAISE) { |
| ringerMode = RINGER_MODE_VIBRATE; |
| } else { |
| // If we don't have a vibrator or they were toggling mute |
| // go straight back to normal. |
| ringerMode = RINGER_MODE_NORMAL; |
| } |
| } |
| } |
| result &= ~FLAG_ADJUST_VOLUME; |
| break; |
| default: |
| Log.e(TAG, "checkForRingerModeChange() wrong ringer mode: "+ringerMode); |
| break; |
| } |
| |
| if (isAndroidNPlus(caller) && wouldToggleZenMode(ringerMode) |
| && !mNm.isNotificationPolicyAccessGrantedForPackage(caller) |
| && (flags & AudioManager.FLAG_FROM_KEY) == 0) { |
| throw new SecurityException("Not allowed to change Do Not Disturb state"); |
| } |
| |
| setRingerMode(ringerMode, TAG + ".checkForRingerModeChange", false /*external*/); |
| |
| mPrevVolDirection = direction; |
| |
| return result; |
| } |
| |
| @Override |
| public boolean isStreamAffectedByRingerMode(int streamType) { |
| return (mRingerModeAffectedStreams & (1 << streamType)) != 0; |
| } |
| |
| private boolean shouldZenMuteStream(int streamType) { |
| if (mNm.getZenMode() != Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS) { |
| return false; |
| } |
| |
| NotificationManager.Policy zenPolicy = mNm.getConsolidatedNotificationPolicy(); |
| final boolean muteAlarms = (zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_ALARMS) == 0; |
| final boolean muteMedia = (zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA) == 0; |
| final boolean muteSystem = (zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_SYSTEM) == 0; |
| final boolean muteNotificationAndRing = ZenModeConfig |
| .areAllPriorityOnlyRingerSoundsMuted( |
| mNm.getConsolidatedNotificationPolicy()); |
| return muteAlarms && isAlarm(streamType) |
| || muteMedia && isMedia(streamType) |
| || muteSystem && isSystem(streamType) |
| || muteNotificationAndRing && isNotificationOrRinger(streamType); |
| } |
| |
| private boolean isStreamMutedByRingerOrZenMode(int streamType) { |
| return (mRingerAndZenModeMutedStreams & (1 << streamType)) != 0; |
| } |
| |
| /** |
| * Notifications, ringer and system sounds are controlled by the ringer: |
| * {@link ZenModeHelper.RingerModeDelegate#getRingerModeAffectedStreams(int)} |
| * DND total silence: media and alarms streams can be muted by DND |
| * DND alarms only: no streams additionally controlled by DND |
| * DND priority only: alarms, media, system streams can be muted by DND based on |
| * zenPolicy (this method determines which streams) |
| * @return true if changed, else false |
| */ |
| private boolean updateZenModeAffectedStreams() { |
| if (!mSystemReady) { |
| return false; |
| } |
| |
| int zenModeAffectedStreams = 0; |
| final int zenMode = mNm.getZenMode(); |
| |
| if (zenMode == Settings.Global.ZEN_MODE_NO_INTERRUPTIONS) { |
| zenModeAffectedStreams |= 1 << AudioManager.STREAM_ALARM; |
| zenModeAffectedStreams |= 1 << AudioManager.STREAM_MUSIC; |
| } else if (zenMode == Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS) { |
| NotificationManager.Policy zenPolicy = mNm.getConsolidatedNotificationPolicy(); |
| if ((zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_ALARMS) == 0) { |
| zenModeAffectedStreams |= 1 << AudioManager.STREAM_ALARM; |
| } |
| |
| if ((zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA) == 0) { |
| zenModeAffectedStreams |= 1 << AudioManager.STREAM_MUSIC; |
| } |
| |
| // even if zen isn't muting the system stream, the ringer mode can still mute |
| // the system stream |
| if ((zenPolicy.priorityCategories |
| & NotificationManager.Policy.PRIORITY_CATEGORY_SYSTEM) == 0) { |
| zenModeAffectedStreams |= 1 << AudioManager.STREAM_SYSTEM; |
| } |
| } |
| |
| if (mZenModeAffectedStreams != zenModeAffectedStreams) { |
| mZenModeAffectedStreams = zenModeAffectedStreams; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @GuardedBy("mSettingsLock") |
| private boolean updateRingerAndZenModeAffectedStreams() { |
| boolean updatedZenModeAffectedStreams = updateZenModeAffectedStreams(); |
| int ringerModeAffectedStreams = Settings.System.getIntForUser(mContentResolver, |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED, |
| ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| |
| (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED)), |
| UserHandle.USER_CURRENT); |
| |
| if (mIsSingleVolume) { |
| ringerModeAffectedStreams = 0; |
| } else if (mRingerModeDelegate != null) { |
| ringerModeAffectedStreams = mRingerModeDelegate |
| .getRingerModeAffectedStreams(ringerModeAffectedStreams); |
| } |
| if (mCameraSoundForced) { |
| ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_SYSTEM_ENFORCED); |
| } else { |
| ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_SYSTEM_ENFORCED); |
| } |
| if (mStreamVolumeAlias[AudioSystem.STREAM_DTMF] == AudioSystem.STREAM_RING) { |
| ringerModeAffectedStreams |= (1 << AudioSystem.STREAM_DTMF); |
| } else { |
| ringerModeAffectedStreams &= ~(1 << AudioSystem.STREAM_DTMF); |
| } |
| |
| if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { |
| Settings.System.putIntForUser(mContentResolver, |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED, |
| ringerModeAffectedStreams, |
| UserHandle.USER_CURRENT); |
| mRingerModeAffectedStreams = ringerModeAffectedStreams; |
| return true; |
| } |
| return updatedZenModeAffectedStreams; |
| } |
| |
| @Override |
| public boolean isStreamAffectedByMute(int streamType) { |
| return (mMuteAffectedStreams & (1 << streamType)) != 0; |
| } |
| |
| private void ensureValidDirection(int direction) { |
| switch (direction) { |
| case AudioManager.ADJUST_LOWER: |
| case AudioManager.ADJUST_RAISE: |
| case AudioManager.ADJUST_SAME: |
| case AudioManager.ADJUST_MUTE: |
| case AudioManager.ADJUST_UNMUTE: |
| case AudioManager.ADJUST_TOGGLE_MUTE: |
| break; |
| default: |
| throw new IllegalArgumentException("Bad direction " + direction); |
| } |
| } |
| |
| private void ensureValidStreamType(int streamType) { |
| if (streamType < 0 || streamType >= mStreamStates.length) { |
| throw new IllegalArgumentException("Bad stream type " + streamType); |
| } |
| } |
| |
| private boolean isMuteAdjust(int adjust) { |
| return adjust == AudioManager.ADJUST_MUTE || adjust == AudioManager.ADJUST_UNMUTE |
| || adjust == AudioManager.ADJUST_TOGGLE_MUTE; |
| } |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public boolean isInCommunication() { |
| boolean IsInCall = false; |
| |
| TelecomManager telecomManager = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| IsInCall = telecomManager.isInCall(); |
| Binder.restoreCallingIdentity(ident); |
| |
| return (IsInCall || getMode() == AudioManager.MODE_IN_COMMUNICATION || |
| getMode() == AudioManager.MODE_IN_CALL); |
| } |
| |
| /** |
| * For code clarity for getActiveStreamType(int) |
| * @param delay_ms max time since last stream activity to consider |
| * @return true if stream is active in streams handled by AudioFlinger now or |
| * in the last "delay_ms" ms. |
| */ |
| private boolean wasStreamActiveRecently(int stream, int delay_ms) { |
| return AudioSystem.isStreamActive(stream, delay_ms) |
| || AudioSystem.isStreamActiveRemotely(stream, delay_ms); |
| } |
| |
| private int getActiveStreamType(int suggestedStreamType) { |
| if (mIsSingleVolume |
| && suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { |
| return AudioSystem.STREAM_MUSIC; |
| } |
| |
| switch (mPlatformType) { |
| case AudioSystem.PLATFORM_VOICE: |
| if (isInCommunication()) { |
| if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) |
| == AudioSystem.FORCE_BT_SCO) { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); |
| return AudioSystem.STREAM_BLUETOOTH_SCO; |
| } else { |
| // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); |
| return AudioSystem.STREAM_VOICE_CALL; |
| } |
| } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { |
| if (wasStreamActiveRecently(AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) |
| Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING stream active"); |
| return AudioSystem.STREAM_RING; |
| } else if (wasStreamActiveRecently( |
| AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) |
| Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION stream active"); |
| return AudioSystem.STREAM_NOTIFICATION; |
| } else { |
| if (DEBUG_VOL) { |
| Log.v(TAG, "getActiveStreamType: Forcing DEFAULT_VOL_STREAM_NO_PLAYBACK(" |
| + DEFAULT_VOL_STREAM_NO_PLAYBACK + ") b/c default"); |
| } |
| return DEFAULT_VOL_STREAM_NO_PLAYBACK; |
| } |
| } else if ( |
| wasStreamActiveRecently(AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) |
| Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION stream active"); |
| return AudioSystem.STREAM_NOTIFICATION; |
| } else if (wasStreamActiveRecently(AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) |
| Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING stream active"); |
| return AudioSystem.STREAM_RING; |
| } |
| default: |
| if (isInCommunication()) { |
| if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) |
| == AudioSystem.FORCE_BT_SCO) { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO"); |
| return AudioSystem.STREAM_BLUETOOTH_SCO; |
| } else { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL"); |
| return AudioSystem.STREAM_VOICE_CALL; |
| } |
| } else if (AudioSystem.isStreamActive( |
| AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION"); |
| return AudioSystem.STREAM_NOTIFICATION; |
| } else if (AudioSystem.isStreamActive( |
| AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING"); |
| return AudioSystem.STREAM_RING; |
| } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { |
| if (AudioSystem.isStreamActive( |
| AudioSystem.STREAM_NOTIFICATION, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_NOTIFICATION"); |
| return AudioSystem.STREAM_NOTIFICATION; |
| } else if (AudioSystem.isStreamActive( |
| AudioSystem.STREAM_RING, sStreamOverrideDelayMs)) { |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING"); |
| return AudioSystem.STREAM_RING; |
| } else { |
| if (DEBUG_VOL) { |
| Log.v(TAG, "getActiveStreamType: Forcing DEFAULT_VOL_STREAM_NO_PLAYBACK(" |
| + DEFAULT_VOL_STREAM_NO_PLAYBACK + ") b/c default"); |
| } |
| return DEFAULT_VOL_STREAM_NO_PLAYBACK; |
| } |
| } |
| break; |
| } |
| if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " |
| + suggestedStreamType); |
| return suggestedStreamType; |
| } |
| |
| private void broadcastRingerMode(String action, int ringerMode) { |
| // Send sticky broadcast |
| Intent broadcast = new Intent(action); |
| broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, ringerMode); |
| broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
| | Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| sendStickyBroadcastToAll(broadcast); |
| } |
| |
| private void broadcastVibrateSetting(int vibrateType) { |
| // Send broadcast |
| if (mActivityManagerInternal.isSystemReady()) { |
| Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); |
| broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); |
| broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); |
| sendBroadcastToAll(broadcast); |
| } |
| } |
| |
| // Message helper methods |
| /** |
| * Queue a message on the given handler's message queue, after acquiring the service wake lock. |
| * Note that the wake lock needs to be released after the message has been handled. |
| */ |
| private void queueMsgUnderWakeLock(Handler handler, int msg, |
| int arg1, int arg2, Object obj, int delay) { |
| final long ident = Binder.clearCallingIdentity(); |
| // Always acquire the wake lock as AudioService because it is released by the |
| // message handler. |
| mAudioEventWakeLock.acquire(); |
| Binder.restoreCallingIdentity(ident); |
| sendMsg(handler, msg, SENDMSG_QUEUE, arg1, arg2, obj, delay); |
| } |
| |
| private static void sendMsg(Handler handler, int msg, |
| int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { |
| if (existingMsgPolicy == SENDMSG_REPLACE) { |
| handler.removeMessages(msg); |
| } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { |
| return; |
| } |
| |
| final long time = SystemClock.uptimeMillis() + delay; |
| handler.sendMessageAtTime(handler.obtainMessage(msg, arg1, arg2, obj), time); |
| } |
| |
| boolean checkAudioSettingsPermission(String method) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.MODIFY_AUDIO_SETTINGS) |
| == PackageManager.PERMISSION_GRANTED) { |
| return true; |
| } |
| String msg = "Audio Settings Permission Denial: " + method + " from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid(); |
| Log.w(TAG, msg); |
| return false; |
| } |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public int getDeviceForStream(int stream) { |
| int device = getDevicesForStream(stream); |
| if ((device & (device - 1)) != 0) { |
| // Multiple device selection is either: |
| // - speaker + one other device: give priority to speaker in this case. |
| // - one A2DP device + another device: happens with duplicated output. In this case |
| // retain the device on the A2DP output as the other must not correspond to an active |
| // selection if not the speaker. |
| // - HDMI-CEC system audio mode only output: give priority to available item in order. |
| if ((device & AudioSystem.DEVICE_OUT_SPEAKER) != 0) { |
| device = AudioSystem.DEVICE_OUT_SPEAKER; |
| } else if ((device & AudioSystem.DEVICE_OUT_HDMI_ARC) != 0) { |
| device = AudioSystem.DEVICE_OUT_HDMI_ARC; |
| } else if ((device & AudioSystem.DEVICE_OUT_SPDIF) != 0) { |
| device = AudioSystem.DEVICE_OUT_SPDIF; |
| } else if ((device & AudioSystem.DEVICE_OUT_AUX_LINE) != 0) { |
| device = AudioSystem.DEVICE_OUT_AUX_LINE; |
| } else { |
| device &= AudioSystem.DEVICE_OUT_ALL_A2DP; |
| } |
| } |
| return device; |
| } |
| |
| private int getDevicesForStream(int stream) { |
| return getDevicesForStream(stream, true /*checkOthers*/); |
| } |
| |
| private int getDevicesForStream(int stream, boolean checkOthers) { |
| ensureValidStreamType(stream); |
| synchronized (VolumeStreamState.class) { |
| return mStreamStates[stream].observeDevicesForStream_syncVSS(checkOthers); |
| } |
| } |
| |
| private void observeDevicesForStreams(int skipStream) { |
| synchronized (VolumeStreamState.class) { |
| for (int stream = 0; stream < mStreamStates.length; stream++) { |
| if (stream != skipStream) { |
| mStreamStates[stream].observeDevicesForStream_syncVSS(false /*checkOthers*/); |
| } |
| } |
| } |
| } |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public void postObserveDevicesForAllStreams() { |
| sendMsg(mAudioHandler, |
| MSG_OBSERVE_DEVICES_FOR_ALL_STREAMS, |
| SENDMSG_QUEUE, 0 /*arg1*/, 0 /*arg2*/, null /*obj*/, |
| 0 /*delay*/); |
| } |
| |
| private void onObserveDevicesForAllStreams() { |
| observeDevicesForStreams(-1); |
| } |
| |
| /*package*/ static final int CONNECTION_STATE_DISCONNECTED = 0; |
| /*package*/ static final int CONNECTION_STATE_CONNECTED = 1; |
| /** |
| * The states that can be used with AudioService.setWiredDeviceConnectionState() |
| * Attention: those values differ from those in BluetoothProfile, follow annotations to |
| * distinguish between @ConnectionState and @BtProfileConnectionState |
| */ |
| @IntDef({ |
| CONNECTION_STATE_DISCONNECTED, |
| CONNECTION_STATE_CONNECTED, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ConnectionState {} |
| |
| /** |
| * see AudioManager.setWiredDeviceConnectionState() |
| */ |
| public void setWiredDeviceConnectionState(int type, |
| @ConnectionState int state, String address, String name, |
| String caller) { |
| if (state != CONNECTION_STATE_CONNECTED |
| && state != CONNECTION_STATE_DISCONNECTED) { |
| throw new IllegalArgumentException("Invalid state " + state); |
| } |
| mDeviceBroker.setWiredDeviceConnectionState(type, state, address, name, caller); |
| } |
| |
| /** |
| * @hide |
| * The states that can be used with AudioService.setBluetoothHearingAidDeviceConnectionState() |
| * and AudioService.setBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent() |
| */ |
| @IntDef({ |
| BluetoothProfile.STATE_DISCONNECTED, |
| BluetoothProfile.STATE_CONNECTED, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface BtProfileConnectionState {} |
| |
| /** |
| * See AudioManager.setBluetoothHearingAidDeviceConnectionState() |
| */ |
| public void setBluetoothHearingAidDeviceConnectionState( |
| @NonNull BluetoothDevice device, @BtProfileConnectionState int state, |
| boolean suppressNoisyIntent, int musicDevice) |
| { |
| if (device == null) { |
| throw new IllegalArgumentException("Illegal null device"); |
| } |
| if (state != BluetoothProfile.STATE_CONNECTED |
| && state != BluetoothProfile.STATE_DISCONNECTED) { |
| throw new IllegalArgumentException("Illegal BluetoothProfile state for device " |
| + " (dis)connection, got " + state); |
| } |
| if (state == BluetoothProfile.STATE_CONNECTED) { |
| mPlaybackMonitor.registerPlaybackCallback(mVoiceActivityMonitor, true); |
| } else { |
| mPlaybackMonitor.unregisterPlaybackCallback(mVoiceActivityMonitor); |
| } |
| mDeviceBroker.postBluetoothHearingAidDeviceConnectionState( |
| device, state, suppressNoisyIntent, musicDevice, "AudioService"); |
| } |
| |
| /** |
| * See AudioManager.setBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent() |
| */ |
| public void setBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent( |
| @NonNull BluetoothDevice device, @AudioService.BtProfileConnectionState int state, |
| int profile, boolean suppressNoisyIntent, int a2dpVolume) { |
| if (device == null) { |
| throw new IllegalArgumentException("Illegal null device"); |
| } |
| if (state != BluetoothProfile.STATE_CONNECTED |
| && state != BluetoothProfile.STATE_DISCONNECTED) { |
| throw new IllegalArgumentException("Illegal BluetoothProfile state for device " |
| + " (dis)connection, got " + state); |
| } |
| mDeviceBroker.postBluetoothA2dpDeviceConnectionStateSuppressNoisyIntent(device, state, |
| profile, suppressNoisyIntent, a2dpVolume); |
| } |
| |
| /** |
| * See AudioManager.handleBluetoothA2dpDeviceConfigChange() |
| * @param device |
| */ |
| public void handleBluetoothA2dpDeviceConfigChange(BluetoothDevice device) |
| { |
| if (device == null) { |
| throw new IllegalArgumentException("Illegal null device"); |
| } |
| mDeviceBroker.postBluetoothA2dpDeviceConfigChange(device); |
| } |
| |
| private static final int DEVICE_MEDIA_UNMUTED_ON_PLUG = |
| AudioSystem.DEVICE_OUT_WIRED_HEADSET | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE | |
| AudioSystem.DEVICE_OUT_LINE | |
| AudioSystem.DEVICE_OUT_ALL_A2DP | |
| AudioSystem.DEVICE_OUT_ALL_USB | |
| AudioSystem.DEVICE_OUT_HDMI; |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public void postAccessoryPlugMediaUnmute(int newDevice) { |
| sendMsg(mAudioHandler, MSG_ACCESSORY_PLUG_MEDIA_UNMUTE, SENDMSG_QUEUE, |
| newDevice, 0, null, 0); |
| } |
| |
| private void onAccessoryPlugMediaUnmute(int newDevice) { |
| if (DEBUG_VOL) { |
| Log.i(TAG, String.format("onAccessoryPlugMediaUnmute newDevice=%d [%s]", |
| newDevice, AudioSystem.getOutputDeviceName(newDevice))); |
| } |
| |
| if (mNm.getZenMode() != Settings.Global.ZEN_MODE_NO_INTERRUPTIONS |
| && (newDevice & DEVICE_MEDIA_UNMUTED_ON_PLUG) != 0 |
| && mStreamStates[AudioSystem.STREAM_MUSIC].mIsMuted |
| && mStreamStates[AudioSystem.STREAM_MUSIC].getIndex(newDevice) != 0 |
| && (newDevice & AudioSystem.getDevicesForStream(AudioSystem.STREAM_MUSIC)) != 0) { |
| if (DEBUG_VOL) { |
| Log.i(TAG, String.format(" onAccessoryPlugMediaUnmute unmuting device=%d [%s]", |
| newDevice, AudioSystem.getOutputDeviceName(newDevice))); |
| } |
| mStreamStates[AudioSystem.STREAM_MUSIC].mute(false); |
| } |
| } |
| |
| /** |
| * See AudioManager.hasHapticChannels(Uri). |
| */ |
| public boolean hasHapticChannels(Uri uri) { |
| MediaExtractor extractor = new MediaExtractor(); |
| try { |
| extractor.setDataSource(mContext, uri, null); |
| for (int i = 0; i < extractor.getTrackCount(); i++) { |
| MediaFormat format = extractor.getTrackFormat(i); |
| if (format.containsKey(MediaFormat.KEY_HAPTIC_CHANNEL_COUNT) |
| && format.getInteger(MediaFormat.KEY_HAPTIC_CHANNEL_COUNT) > 0) { |
| return true; |
| } |
| } |
| } catch (IOException e) { |
| Log.e(TAG, "hasHapticChannels failure:" + e); |
| } |
| return false; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Inner classes |
| /////////////////////////////////////////////////////////////////////////// |
| |
| // NOTE: Locking order for synchronized objects related to volume or ringer mode management: |
| // 1 mScoclient OR mSafeMediaVolumeState |
| // 2 mSetModeDeathHandlers |
| // 3 mSettingsLock |
| // 4 VolumeStreamState.class |
| private class VolumeStreamState { |
| private final int mStreamType; |
| private int mIndexMin; |
| private int mIndexMax; |
| |
| private boolean mIsMuted; |
| private String mVolumeIndexSettingName; |
| private int mObservedDevices; |
| |
| private final SparseIntArray mIndexMap = new SparseIntArray(8); |
| private final Intent mVolumeChanged; |
| private final Intent mStreamDevicesChanged; |
| |
| private VolumeStreamState(String settingName, int streamType) { |
| |
| mVolumeIndexSettingName = settingName; |
| |
| mStreamType = streamType; |
| mIndexMin = MIN_STREAM_VOLUME[streamType] * 10; |
| mIndexMax = MAX_STREAM_VOLUME[streamType] * 10; |
| AudioSystem.initStreamVolume(streamType, mIndexMin / 10, mIndexMax / 10); |
| |
| readSettings(); |
| mVolumeChanged = new Intent(AudioManager.VOLUME_CHANGED_ACTION); |
| mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType); |
| mStreamDevicesChanged = new Intent(AudioManager.STREAM_DEVICES_CHANGED_ACTION); |
| mStreamDevicesChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType); |
| } |
| |
| public int observeDevicesForStream_syncVSS(boolean checkOthers) { |
| final int devices = AudioSystem.getDevicesForStream(mStreamType); |
| if (devices == mObservedDevices) { |
| return devices; |
| } |
| final int prevDevices = mObservedDevices; |
| mObservedDevices = devices; |
| if (checkOthers) { |
| // one stream's devices have changed, check the others |
| observeDevicesForStreams(mStreamType); |
| } |
| // log base stream changes to the event log |
| if (mStreamVolumeAlias[mStreamType] == mStreamType) { |
| EventLogTags.writeStreamDevicesChanged(mStreamType, prevDevices, devices); |
| } |
| sendBroadcastToAll(mStreamDevicesChanged |
| .putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_DEVICES, prevDevices) |
| .putExtra(AudioManager.EXTRA_VOLUME_STREAM_DEVICES, devices)); |
| return devices; |
| } |
| |
| public @Nullable String getSettingNameForDevice(int device) { |
| if (!hasValidSettingsName()) { |
| return null; |
| } |
| final String suffix = AudioSystem.getOutputDeviceName(device); |
| if (suffix.isEmpty()) { |
| return mVolumeIndexSettingName; |
| } |
| return mVolumeIndexSettingName + "_" + suffix; |
| } |
| |
| private boolean hasValidSettingsName() { |
| return (mVolumeIndexSettingName != null && !mVolumeIndexSettingName.isEmpty()); |
| } |
| |
| public void readSettings() { |
| synchronized (mSettingsLock) { |
| synchronized (VolumeStreamState.class) { |
| // force maximum volume on all streams if fixed volume property is set |
| if (mUseFixedVolume) { |
| mIndexMap.put(AudioSystem.DEVICE_OUT_DEFAULT, mIndexMax); |
| return; |
| } |
| // do not read system stream volume from settings: this stream is always aliased |
| // to another stream type and its volume is never persisted. Values in settings can |
| // only be stale values |
| if ((mStreamType == AudioSystem.STREAM_SYSTEM) || |
| (mStreamType == AudioSystem.STREAM_SYSTEM_ENFORCED)) { |
| int index = 10 * AudioSystem.DEFAULT_STREAM_VOLUME[mStreamType]; |
| if (mCameraSoundForced) { |
| index = mIndexMax; |
| } |
| mIndexMap.put(AudioSystem.DEVICE_OUT_DEFAULT, index); |
| return; |
| } |
| } |
| } |
| synchronized (VolumeStreamState.class) { |
| int remainingDevices = AudioSystem.DEVICE_OUT_ALL; |
| |
| for (int i = 0; remainingDevices != 0; i++) { |
| int device = (1 << i); |
| if ((device & remainingDevices) == 0) { |
| continue; |
| } |
| remainingDevices &= ~device; |
| |
| // retrieve current volume for device |
| // if no volume stored for current stream and device, use default volume if default |
| // device, continue otherwise |
| int defaultIndex = (device == AudioSystem.DEVICE_OUT_DEFAULT) ? |
| AudioSystem.DEFAULT_STREAM_VOLUME[mStreamType] : -1; |
| int index; |
| if (!hasValidSettingsName()) { |
| index = defaultIndex; |
| } else { |
| String name = getSettingNameForDevice(device); |
| index = Settings.System.getIntForUser( |
| mContentResolver, name, defaultIndex, UserHandle.USER_CURRENT); |
| } |
| if (index == -1) { |
| continue; |
| } |
| |
| mIndexMap.put(device, getValidIndex(10 * index)); |
| } |
| } |
| } |
| |
| private int getAbsoluteVolumeIndex(int index) { |
| /* Special handling for Bluetooth Absolute Volume scenario |
| * If we send full audio gain, some accessories are too loud even at its lowest |
| * volume. We are not able to enumerate all such accessories, so here is the |
| * workaround from phone side. |
| * Pre-scale volume at lowest volume steps 1 2 and 3. |
| * For volume step 0, set audio gain to 0 as some accessories won't mute on their end. |
| */ |
| if (index == 0) { |
| // 0% for volume 0 |
| index = 0; |
| } else if (index > 0 && index <= 3) { |
| // Pre-scale for volume steps 1 2 and 3 |
| index = (int) (mIndexMax * mPrescaleAbsoluteVolume[index - 1]) / 10; |
| } else { |
| // otherwise, full gain |
| index = (mIndexMax + 5) / 10; |
| } |
| return index; |
| } |
| |
| private void setStreamVolumeIndex(int index, int device) { |
| // Only set audio policy BT SCO stream volume to 0 when the stream is actually muted. |
| // This allows RX path muting by the audio HAL only when explicitly muted but not when |
| // index is just set to 0 to repect BT requirements |
| if (mStreamType == AudioSystem.STREAM_BLUETOOTH_SCO && index == 0 && !mIsMuted) { |
| index = 1; |
| } |
| AudioSystem.setStreamVolumeIndexAS(mStreamType, index, device); |
| } |
| |
| // must be called while synchronized VolumeStreamState.class |
| /*package*/ void applyDeviceVolume_syncVSS(int device, boolean isAvrcpAbsVolSupported) { |
| int index; |
| if (mIsMuted) { |
| index = 0; |
| } else if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 && isAvrcpAbsVolSupported) { |
| index = getAbsoluteVolumeIndex((getIndex(device) + 5)/10); |
| } else if ((device & mFullVolumeDevices) != 0) { |
| index = (mIndexMax + 5)/10; |
| } else if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) { |
| index = (mIndexMax + 5)/10; |
| } else { |
| index = (getIndex(device) + 5)/10; |
| } |
| setStreamVolumeIndex(index, device); |
| } |
| |
| public void applyAllVolumes() { |
| final boolean isAvrcpAbsVolSupported = mDeviceBroker.isAvrcpAbsoluteVolumeSupported(); |
| synchronized (VolumeStreamState.class) { |
| // apply device specific volumes first |
| int index; |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| final int device = mIndexMap.keyAt(i); |
| if (device != AudioSystem.DEVICE_OUT_DEFAULT) { |
| if (mIsMuted) { |
| index = 0; |
| } else if ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0 && |
| isAvrcpAbsVolSupported) { |
| index = getAbsoluteVolumeIndex((getIndex(device) + 5)/10); |
| } else if ((device & mFullVolumeDevices) != 0) { |
| index = (mIndexMax + 5)/10; |
| } else if ((device & AudioSystem.DEVICE_OUT_HEARING_AID) != 0) { |
| index = (mIndexMax + 5)/10; |
| } else { |
| index = (mIndexMap.valueAt(i) + 5)/10; |
| } |
| setStreamVolumeIndex(index, device); |
| } |
| } |
| // apply default volume last: by convention , default device volume will be used |
| // by audio policy manager if no explicit volume is present for a given device type |
| if (mIsMuted) { |
| index = 0; |
| } else { |
| index = (getIndex(AudioSystem.DEVICE_OUT_DEFAULT) + 5)/10; |
| } |
| setStreamVolumeIndex(index, AudioSystem.DEVICE_OUT_DEFAULT); |
| } |
| } |
| |
| public boolean adjustIndex(int deltaIndex, int device, String caller) { |
| return setIndex(getIndex(device) + deltaIndex, device, caller); |
| } |
| |
| public boolean setIndex(int index, int device, String caller) { |
| boolean changed; |
| int oldIndex; |
| synchronized (mSettingsLock) { |
| synchronized (VolumeStreamState.class) { |
| oldIndex = getIndex(device); |
| index = getValidIndex(index); |
| if ((mStreamType == AudioSystem.STREAM_SYSTEM_ENFORCED) && mCameraSoundForced) { |
| index = mIndexMax; |
| } |
| mIndexMap.put(device, index); |
| |
| changed = oldIndex != index; |
| // Apply change to all streams using this one as alias if: |
| // - the index actually changed OR |
| // - there is no volume index stored for this device on alias stream. |
| // If changing volume of current device, also change volume of current |
| // device on aliased stream |
| final boolean isCurrentDevice = (device == getDeviceForStream(mStreamType)); |
| final int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| final VolumeStreamState aliasStreamState = mStreamStates[streamType]; |
| if (streamType != mStreamType && |
| mStreamVolumeAlias[streamType] == mStreamType && |
| (changed || !aliasStreamState.hasIndexForDevice(device))) { |
| final int scaledIndex = rescaleIndex(index, mStreamType, streamType); |
| aliasStreamState.setIndex(scaledIndex, device, caller); |
| if (isCurrentDevice) { |
| aliasStreamState.setIndex(scaledIndex, |
| getDeviceForStream(streamType), caller); |
| } |
| } |
| } |
| // Mirror changes in SPEAKER ringtone volume on SCO when |
| if (changed && mStreamType == AudioSystem.STREAM_RING |
| && device == AudioSystem.DEVICE_OUT_SPEAKER) { |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| int otherDevice = mIndexMap.keyAt(i); |
| if ((otherDevice & AudioSystem.DEVICE_OUT_ALL_SCO) != 0) { |
| mIndexMap.put(otherDevice, index); |
| } |
| } |
| } |
| } |
| } |
| if (changed) { |
| oldIndex = (oldIndex + 5) / 10; |
| index = (index + 5) / 10; |
| // log base stream changes to the event log |
| if (mStreamVolumeAlias[mStreamType] == mStreamType) { |
| if (caller == null) { |
| Log.w(TAG, "No caller for volume_changed event", new Throwable()); |
| } |
| EventLogTags.writeVolumeChanged(mStreamType, oldIndex, index, mIndexMax / 10, |
| caller); |
| } |
| // fire changed intents for all streams |
| mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); |
| mVolumeChanged.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); |
| mVolumeChanged.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE_ALIAS, |
| mStreamVolumeAlias[mStreamType]); |
| sendBroadcastToAll(mVolumeChanged); |
| } |
| return changed; |
| } |
| |
| public int getIndex(int device) { |
| synchronized (VolumeStreamState.class) { |
| int index = mIndexMap.get(device, -1); |
| if (index == -1) { |
| // there is always an entry for AudioSystem.DEVICE_OUT_DEFAULT |
| index = mIndexMap.get(AudioSystem.DEVICE_OUT_DEFAULT); |
| } |
| return index; |
| } |
| } |
| |
| public boolean hasIndexForDevice(int device) { |
| synchronized (VolumeStreamState.class) { |
| return (mIndexMap.get(device, -1) != -1); |
| } |
| } |
| |
| public int getMaxIndex() { |
| return mIndexMax; |
| } |
| |
| public int getMinIndex() { |
| return mIndexMin; |
| } |
| |
| /** |
| * Copies all device/index pairs from the given VolumeStreamState after initializing |
| * them with the volume for DEVICE_OUT_DEFAULT. No-op if the source VolumeStreamState |
| * has the same stream type as this instance. |
| * @param srcStream |
| * @param caller |
| */ |
| // must be sync'd on mSettingsLock before VolumeStreamState.class |
| @GuardedBy("VolumeStreamState.class") |
| public void setAllIndexes(VolumeStreamState srcStream, String caller) { |
| if (mStreamType == srcStream.mStreamType) { |
| return; |
| } |
| int srcStreamType = srcStream.getStreamType(); |
| // apply default device volume from source stream to all devices first in case |
| // some devices are present in this stream state but not in source stream state |
| int index = srcStream.getIndex(AudioSystem.DEVICE_OUT_DEFAULT); |
| index = rescaleIndex(index, srcStreamType, mStreamType); |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| mIndexMap.put(mIndexMap.keyAt(i), index); |
| } |
| // Now apply actual volume for devices in source stream state |
| SparseIntArray srcMap = srcStream.mIndexMap; |
| for (int i = 0; i < srcMap.size(); i++) { |
| int device = srcMap.keyAt(i); |
| index = srcMap.valueAt(i); |
| index = rescaleIndex(index, srcStreamType, mStreamType); |
| |
| setIndex(index, device, caller); |
| } |
| } |
| |
| // must be sync'd on mSettingsLock before VolumeStreamState.class |
| @GuardedBy("VolumeStreamState.class") |
| public void setAllIndexesToMax() { |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| mIndexMap.put(mIndexMap.keyAt(i), mIndexMax); |
| } |
| } |
| |
| /** |
| * Mute/unmute the stream |
| * @param state the new mute state |
| * @return true if the mute state was changed |
| */ |
| public boolean mute(boolean state) { |
| boolean changed = false; |
| synchronized (VolumeStreamState.class) { |
| if (state != mIsMuted) { |
| changed = true; |
| mIsMuted = state; |
| |
| // Set the new mute volume. This propagates the values to |
| // the audio system, otherwise the volume won't be changed |
| // at the lower level. |
| sendMsg(mAudioHandler, |
| MSG_SET_ALL_VOLUMES, |
| SENDMSG_QUEUE, |
| 0, |
| 0, |
| this, 0); |
| } |
| } |
| if (changed) { |
| // Stream mute changed, fire the intent. |
| Intent intent = new Intent(AudioManager.STREAM_MUTE_CHANGED_ACTION); |
| intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, mStreamType); |
| intent.putExtra(AudioManager.EXTRA_STREAM_VOLUME_MUTED, state); |
| sendBroadcastToAll(intent); |
| } |
| return changed; |
| } |
| |
| public int getStreamType() { |
| return mStreamType; |
| } |
| |
| public void checkFixedVolumeDevices() { |
| final boolean isAvrcpAbsVolSupported = mDeviceBroker.isAvrcpAbsoluteVolumeSupported(); |
| synchronized (VolumeStreamState.class) { |
| // ignore settings for fixed volume devices: volume should always be at max or 0 |
| if (mStreamVolumeAlias[mStreamType] == AudioSystem.STREAM_MUSIC) { |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| int device = mIndexMap.keyAt(i); |
| int index = mIndexMap.valueAt(i); |
| if (((device & mFullVolumeDevices) != 0) |
| || (((device & mFixedVolumeDevices) != 0) && index != 0)) { |
| mIndexMap.put(device, mIndexMax); |
| } |
| applyDeviceVolume_syncVSS(device, isAvrcpAbsVolSupported); |
| } |
| } |
| } |
| } |
| |
| private int getValidIndex(int index) { |
| if (index < mIndexMin) { |
| return mIndexMin; |
| } else if (mUseFixedVolume || index > mIndexMax) { |
| return mIndexMax; |
| } |
| |
| return index; |
| } |
| |
| private void dump(PrintWriter pw) { |
| pw.print(" Muted: "); |
| pw.println(mIsMuted); |
| pw.print(" Min: "); |
| pw.println((mIndexMin + 5) / 10); |
| pw.print(" Max: "); |
| pw.println((mIndexMax + 5) / 10); |
| pw.print(" streamVolume:"); pw.println(getStreamVolume(mStreamType)); |
| pw.print(" Current: "); |
| for (int i = 0; i < mIndexMap.size(); i++) { |
| if (i > 0) { |
| pw.print(", "); |
| } |
| final int device = mIndexMap.keyAt(i); |
| pw.print(Integer.toHexString(device)); |
| final String deviceName = device == AudioSystem.DEVICE_OUT_DEFAULT ? "default" |
| : AudioSystem.getOutputDeviceName(device); |
| if (!deviceName.isEmpty()) { |
| pw.print(" ("); |
| pw.print(deviceName); |
| pw.print(")"); |
| } |
| pw.print(": "); |
| final int index = (mIndexMap.valueAt(i) + 5) / 10; |
| pw.print(index); |
| } |
| pw.println(); |
| pw.print(" Devices: "); |
| final int devices = getDevicesForStream(mStreamType); |
| int device, i = 0, n = 0; |
| // iterate all devices from 1 to DEVICE_OUT_DEFAULT exclusive |
| // (the default device is not returned by getDevicesForStream) |
| while ((device = 1 << i) != AudioSystem.DEVICE_OUT_DEFAULT) { |
| if ((devices & device) != 0) { |
| if (n++ > 0) { |
| pw.print(", "); |
| } |
| pw.print(AudioSystem.getOutputDeviceName(device)); |
| } |
| i++; |
| } |
| } |
| } |
| |
| /** Thread that handles native AudioSystem control. */ |
| private class AudioSystemThread extends Thread { |
| AudioSystemThread() { |
| super("AudioService"); |
| } |
| |
| @Override |
| public void run() { |
| // Set this thread up so the handler will work on it |
| Looper.prepare(); |
| |
| synchronized(AudioService.this) { |
| mAudioHandler = new AudioHandler(); |
| |
| // Notify that the handler has been created |
| AudioService.this.notify(); |
| } |
| |
| // Listen for volume change requests that are set by VolumePanel |
| Looper.loop(); |
| } |
| } |
| |
| private static final class DeviceVolumeUpdate { |
| final int mStreamType; |
| final int mDevice; |
| final @NonNull String mCaller; |
| private static final int NO_NEW_INDEX = -2049; |
| private final int mVssVolIndex; |
| |
| // Constructor with volume index, meant to cause this volume to be set and applied for the |
| // given stream type on the given device |
| DeviceVolumeUpdate(int streamType, int vssVolIndex, int device, @NonNull String caller) { |
| mStreamType = streamType; |
| mVssVolIndex = vssVolIndex; |
| mDevice = device; |
| mCaller = caller; |
| } |
| |
| // Constructor with no volume index, meant to cause re-apply of volume for the given |
| // stream type on the given device |
| DeviceVolumeUpdate(int streamType, int device, @NonNull String caller) { |
| mStreamType = streamType; |
| mVssVolIndex = NO_NEW_INDEX; |
| mDevice = device; |
| mCaller = caller; |
| } |
| |
| boolean hasVolumeIndex() { |
| return mVssVolIndex != NO_NEW_INDEX; |
| } |
| |
| int getVolumeIndex() throws IllegalStateException { |
| Preconditions.checkState(mVssVolIndex != NO_NEW_INDEX); |
| return mVssVolIndex; |
| } |
| } |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public void postSetVolumeIndexOnDevice(int streamType, int vssVolIndex, int device, |
| String caller) { |
| sendMsg(mAudioHandler, |
| MSG_SET_DEVICE_STREAM_VOLUME, |
| SENDMSG_QUEUE, 0 /*arg1*/, 0 /*arg2*/, |
| new DeviceVolumeUpdate(streamType, vssVolIndex, device, caller), |
| 0 /*delay*/); |
| } |
| |
| /*package*/ void postApplyVolumeOnDevice(int streamType, int device, @NonNull String caller) { |
| sendMsg(mAudioHandler, |
| MSG_SET_DEVICE_STREAM_VOLUME, |
| SENDMSG_QUEUE, 0 /*arg1*/, 0 /*arg2*/, |
| new DeviceVolumeUpdate(streamType, device, caller), |
| 0 /*delay*/); |
| } |
| |
| private void onSetVolumeIndexOnDevice(@NonNull DeviceVolumeUpdate update) { |
| final VolumeStreamState streamState = mStreamStates[update.mStreamType]; |
| if (update.hasVolumeIndex()) { |
| final int index = update.getVolumeIndex(); |
| streamState.setIndex(index, update.mDevice, update.mCaller); |
| sVolumeLogger.log(new AudioEventLogger.StringEvent(update.mCaller + " dev:0x" |
| + Integer.toHexString(update.mDevice) + " volIdx:" + index)); |
| } else { |
| sVolumeLogger.log(new AudioEventLogger.StringEvent(update.mCaller |
| + " update vol on dev:0x" + Integer.toHexString(update.mDevice))); |
| } |
| setDeviceVolume(streamState, update.mDevice); |
| } |
| |
| /*package*/ void setDeviceVolume(VolumeStreamState streamState, int device) { |
| |
| final boolean isAvrcpAbsVolSupported = mDeviceBroker.isAvrcpAbsoluteVolumeSupported(); |
| |
| synchronized (VolumeStreamState.class) { |
| // Apply volume |
| streamState.applyDeviceVolume_syncVSS(device, isAvrcpAbsVolSupported); |
| |
| // 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) && isAvrcpAbsVolSupported |
| && ((device & AudioSystem.DEVICE_OUT_ALL_A2DP) != 0)) { |
| mStreamStates[streamType].applyDeviceVolume_syncVSS(device, |
| isAvrcpAbsVolSupported); |
| } |
| mStreamStates[streamType].applyDeviceVolume_syncVSS(streamDevice, |
| isAvrcpAbsVolSupported); |
| } |
| } |
| } |
| // Post a persist volume msg |
| sendMsg(mAudioHandler, |
| MSG_PERSIST_VOLUME, |
| SENDMSG_QUEUE, |
| device, |
| 0, |
| streamState, |
| PERSIST_DELAY); |
| |
| } |
| |
| /** Handles internal volume messages in separate volume thread. */ |
| private class AudioHandler extends Handler { |
| |
| private void setAllVolumes(VolumeStreamState streamState) { |
| |
| // Apply volume |
| streamState.applyAllVolumes(); |
| |
| // Apply change to all streams using this one as alias |
| int numStreamTypes = AudioSystem.getNumStreamTypes(); |
| for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { |
| if (streamType != streamState.mStreamType && |
| mStreamVolumeAlias[streamType] == streamState.mStreamType) { |
| mStreamStates[streamType].applyAllVolumes(); |
| } |
| } |
| } |
| |
| private void persistVolume(VolumeStreamState streamState, int device) { |
| if (mUseFixedVolume) { |
| return; |
| } |
| if (mIsSingleVolume && (streamState.mStreamType != AudioSystem.STREAM_MUSIC)) { |
| return; |
| } |
| if (streamState.hasValidSettingsName()) { |
| System.putIntForUser(mContentResolver, |
| streamState.getSettingNameForDevice(device), |
| (streamState.getIndex(device) + 5)/ 10, |
| UserHandle.USER_CURRENT); |
| } |
| } |
| |
| private void persistRingerMode(int ringerMode) { |
| if (mUseFixedVolume) { |
| return; |
| } |
| Settings.Global.putInt(mContentResolver, Settings.Global.MODE_RINGER, ringerMode); |
| } |
| |
| private void onPersistSafeVolumeState(int state) { |
| Settings.Global.putInt(mContentResolver, |
| Settings.Global.AUDIO_SAFE_VOLUME_STATE, |
| state); |
| } |
| |
| private void onNotifyVolumeEvent(@NonNull IAudioPolicyCallback apc, |
| @AudioManager.VolumeAdjustment int direction) { |
| try { |
| apc.notifyVolumeAdjust(direction); |
| } catch(Exception e) { |
| // nothing we can do about this. Do not log error, too much potential for spam |
| } |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| |
| case MSG_SET_DEVICE_VOLUME: |
| setDeviceVolume((VolumeStreamState) msg.obj, msg.arg1); |
| break; |
| |
| case MSG_SET_ALL_VOLUMES: |
| setAllVolumes((VolumeStreamState) msg.obj); |
| break; |
| |
| case MSG_PERSIST_VOLUME: |
| persistVolume((VolumeStreamState) msg.obj, msg.arg1); |
| break; |
| |
| case MSG_PERSIST_RINGER_MODE: |
| // note that the value persisted is the current ringer mode, not the |
| // value of ringer mode as of the time the request was made to persist |
| persistRingerMode(getRingerModeInternal()); |
| break; |
| |
| case MSG_AUDIO_SERVER_DIED: |
| onAudioServerDied(); |
| break; |
| |
| case MSG_DISPATCH_AUDIO_SERVER_STATE: |
| onDispatchAudioServerStateChange(msg.arg1 == 1); |
| break; |
| |
| case MSG_UNLOAD_SOUND_EFFECTS: |
| mSfxHelper.unloadSoundEffects(); |
| break; |
| |
| case MSG_LOAD_SOUND_EFFECTS: |
| { |
| LoadSoundEffectReply reply = (LoadSoundEffectReply) msg.obj; |
| if (mSystemReady) { |
| mSfxHelper.loadSoundEffects(reply); |
| } else { |
| Log.w(TAG, "[schedule]loadSoundEffects() called before boot complete"); |
| if (reply != null) { |
| reply.run(false); |
| } |
| } |
| } |
| break; |
| |
| case MSG_PLAY_SOUND_EFFECT: |
| mSfxHelper.playSoundEffect(msg.arg1, msg.arg2); |
| break; |
| |
| case MSG_SET_FORCE_USE: |
| { |
| final String eventSource = (String) msg.obj; |
| final int useCase = msg.arg1; |
| final int config = msg.arg2; |
| if (useCase == AudioSystem.FOR_MEDIA) { |
| Log.wtf(TAG, "Invalid force use FOR_MEDIA in AudioService from " |
| + eventSource); |
| break; |
| } |
| sForceUseLogger.log( |
| new AudioServiceEvents.ForceUseEvent(useCase, config, eventSource)); |
| AudioSystem.setForceUse(useCase, config); |
| } |
| break; |
| |
| case MSG_DISABLE_AUDIO_FOR_UID: |
| mPlaybackMonitor.disableAudioForUid( msg.arg1 == 1 /* disable */, |
| msg.arg2 /* uid */); |
| mAudioEventWakeLock.release(); |
| break; |
| |
| case MSG_CHECK_MUSIC_ACTIVE: |
| onCheckMusicActive((String) msg.obj); |
| break; |
| |
| case MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED: |
| case MSG_CONFIGURE_SAFE_MEDIA_VOLUME: |
| onConfigureSafeVolume((msg.what == MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED), |
| (String) msg.obj); |
| break; |
| case MSG_PERSIST_SAFE_VOLUME_STATE: |
| onPersistSafeVolumeState(msg.arg1); |
| break; |
| |
| case MSG_SYSTEM_READY: |
| onSystemReady(); |
| break; |
| |
| case MSG_INDICATE_SYSTEM_READY: |
| onIndicateSystemReady(); |
| break; |
| |
| case MSG_ACCESSORY_PLUG_MEDIA_UNMUTE: |
| onAccessoryPlugMediaUnmute(msg.arg1); |
| break; |
| |
| case MSG_PERSIST_MUSIC_ACTIVE_MS: |
| final int musicActiveMs = msg.arg1; |
| Settings.Secure.putIntForUser(mContentResolver, |
| Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS, musicActiveMs, |
| UserHandle.USER_CURRENT); |
| break; |
| |
| case MSG_UNMUTE_STREAM: |
| onUnmuteStream(msg.arg1, msg.arg2); |
| break; |
| |
| case MSG_DYN_POLICY_MIX_STATE_UPDATE: |
| onDynPolicyMixStateUpdate((String) msg.obj, msg.arg1); |
| break; |
| |
| case MSG_NOTIFY_VOL_EVENT: |
| onNotifyVolumeEvent((IAudioPolicyCallback) msg.obj, msg.arg1); |
| break; |
| |
| case MSG_ENABLE_SURROUND_FORMATS: |
| onEnableSurroundFormats((ArrayList<Integer>) msg.obj); |
| break; |
| |
| case MSG_UPDATE_RINGER_MODE: |
| onUpdateRingerModeServiceInt(); |
| break; |
| |
| case MSG_SET_DEVICE_STREAM_VOLUME: |
| onSetVolumeIndexOnDevice((DeviceVolumeUpdate) msg.obj); |
| break; |
| |
| case MSG_OBSERVE_DEVICES_FOR_ALL_STREAMS: |
| onObserveDevicesForAllStreams(); |
| break; |
| |
| case MSG_HDMI_VOLUME_CHECK: |
| onCheckVolumeCecOnHdmiConnection(msg.arg1, (String) msg.obj); |
| break; |
| |
| case MSG_PLAYBACK_CONFIG_CHANGE: |
| onPlaybackConfigChange((List<AudioPlaybackConfiguration>) msg.obj); |
| break; |
| } |
| } |
| } |
| |
| private class SettingsObserver extends ContentObserver { |
| |
| SettingsObserver() { |
| super(new Handler()); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.ZEN_MODE), false, this); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.ZEN_MODE_CONFIG_ETAG), false, this); |
| mContentResolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.DOCK_AUDIO_MEDIA_ENABLED), false, this); |
| mContentResolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.MASTER_MONO), false, this); |
| mContentResolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.MASTER_BALANCE), false, this); |
| |
| mEncodedSurroundMode = Settings.Global.getInt( |
| mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT, |
| Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.ENCODED_SURROUND_OUTPUT), false, this); |
| |
| mEnabledSurroundFormats = Settings.Global.getString( |
| mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS), false, this); |
| |
| mContentResolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.VOICE_INTERACTION_SERVICE), false, this); |
| mContentResolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.RTT_CALLING_MODE), false, this); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| // FIXME This synchronized is not necessary if mSettingsLock only protects mRingerMode. |
| // However there appear to be some missing locks around mRingerAndZenModeMutedStreams |
| // and mRingerModeAffectedStreams, so will leave this synchronized for now. |
| // mRingerAndZenModeMutedStreams and mMuteAffectedStreams are safe (only accessed once). |
| synchronized (mSettingsLock) { |
| if (updateRingerAndZenModeAffectedStreams()) { |
| /* |
| * Ensure all stream types that should be affected by ringer mode |
| * are in the proper state. |
| */ |
| setRingerModeInt(getRingerModeInternal(), false); |
| } |
| readDockAudioSettings(mContentResolver); |
| updateMasterMono(mContentResolver); |
| updateMasterBalance(mContentResolver); |
| updateEncodedSurroundOutput(); |
| sendEnabledSurroundFormats(mContentResolver, mSurroundModeChanged); |
| updateAssistantUId(false); |
| updateRttEanbled(mContentResolver); |
| } |
| } |
| |
| private void updateEncodedSurroundOutput() { |
| int newSurroundMode = Settings.Global.getInt( |
| mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT, |
| Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO); |
| // Did it change? |
| if (mEncodedSurroundMode != newSurroundMode) { |
| // Send to AudioPolicyManager |
| sendEncodedSurroundMode(newSurroundMode, "SettingsObserver"); |
| mDeviceBroker.toggleHdmiIfConnected_Async(); |
| mEncodedSurroundMode = newSurroundMode; |
| mSurroundModeChanged = true; |
| } else { |
| mSurroundModeChanged = false; |
| } |
| } |
| } |
| |
| public void avrcpSupportsAbsoluteVolume(String address, boolean support) { |
| // address is not used for now, but may be used when multiple a2dp devices are supported |
| sVolumeLogger.log(new AudioEventLogger.StringEvent("avrcpSupportsAbsoluteVolume addr=" |
| + address + " support=" + support)); |
| mDeviceBroker.setAvrcpAbsoluteVolumeSupported(support); |
| sendMsg(mAudioHandler, MSG_SET_DEVICE_VOLUME, SENDMSG_QUEUE, |
| AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 0, |
| mStreamStates[AudioSystem.STREAM_MUSIC], 0); |
| } |
| |
| /** |
| * @return true if there is currently a registered dynamic mixing policy that affects media |
| * and is not a render + loopback policy |
| */ |
| // only public for mocking/spying |
| @VisibleForTesting |
| public boolean hasMediaDynamicPolicy() { |
| synchronized (mAudioPolicies) { |
| if (mAudioPolicies.isEmpty()) { |
| return false; |
| } |
| final Collection<AudioPolicyProxy> appColl = mAudioPolicies.values(); |
| for (AudioPolicyProxy app : appColl) { |
| if (app.hasMixAffectingUsage(AudioAttributes.USAGE_MEDIA, |
| AudioMix.ROUTE_FLAG_LOOP_BACK_RENDER)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| /*package*/ void checkMusicActive(int deviceType, String caller) { |
| if ((deviceType & mSafeMediaVolumeDevices) != 0) { |
| sendMsg(mAudioHandler, |
| MSG_CHECK_MUSIC_ACTIVE, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| caller, |
| MUSIC_ACTIVE_POLL_PERIOD_MS); |
| } |
| } |
| |
| /** |
| * Receiver for misc intent broadcasts the Phone app cares about. |
| */ |
| private class AudioServiceBroadcastReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final 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)))) { |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_DOCK, config, |
| "ACTION_DOCK_EVENT intent"); |
| } |
| mDockState = dockState; |
| } else if (action.equals(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED) |
| || action.equals(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED)) { |
| mDeviceBroker.receiveBtEvent(intent); |
| } else if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| if (mMonitorRotation) { |
| RotationHelper.enable(); |
| } |
| AudioSystem.setParameters("screen_state=on"); |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
| if (mMonitorRotation) { |
| //reduce wakeups (save current) by only listening when display is on |
| RotationHelper.disable(); |
| } |
| AudioSystem.setParameters("screen_state=off"); |
| } else if (action.equals(Intent.ACTION_CONFIGURATION_CHANGED)) { |
| handleConfigurationChanged(context); |
| } else if (action.equals(Intent.ACTION_USER_SWITCHED)) { |
| if (mUserSwitchedReceived) { |
| // attempt to stop music playback for background user except on first user |
| // switch (i.e. first boot) |
| mDeviceBroker.postBroadcastBecomingNoisy(); |
| } |
| mUserSwitchedReceived = true; |
| // the current audio focus owner is no longer valid |
| mMediaFocusControl.discardAudioFocusOwner(); |
| |
| // load volume settings for new user |
| readAudioSettings(true /*userSwitch*/); |
| // preserve STREAM_MUSIC volume from one user to the next. |
| sendMsg(mAudioHandler, |
| MSG_SET_ALL_VOLUMES, |
| SENDMSG_QUEUE, |
| 0, |
| 0, |
| mStreamStates[AudioSystem.STREAM_MUSIC], 0); |
| } else if (action.equals(Intent.ACTION_USER_BACKGROUND)) { |
| // Disable audio recording for the background user/profile |
| int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| if (userId >= 0) { |
| // TODO Kill recording streams instead of killing processes holding permission |
| UserInfo userInfo = UserManagerService.getInstance().getUserInfo(userId); |
| killBackgroundUserProcessesWithRecordAudioPermission(userInfo); |
| } |
| UserManagerService.getInstance().setUserRestriction( |
| UserManager.DISALLOW_RECORD_AUDIO, true, userId); |
| } else if (action.equals(Intent.ACTION_USER_FOREGROUND)) { |
| // Enable audio recording for foreground user/profile |
| int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| UserManagerService.getInstance().setUserRestriction( |
| UserManager.DISALLOW_RECORD_AUDIO, false, userId); |
| } else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { |
| state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1); |
| if (state == BluetoothAdapter.STATE_OFF || |
| state == BluetoothAdapter.STATE_TURNING_OFF) { |
| mDeviceBroker.disconnectAllBluetoothProfiles(); |
| } |
| } else if (action.equals(AudioEffect.ACTION_OPEN_AUDIO_EFFECT_CONTROL_SESSION) || |
| action.equals(AudioEffect.ACTION_CLOSE_AUDIO_EFFECT_CONTROL_SESSION)) { |
| handleAudioEffectBroadcast(context, intent); |
| } else if (action.equals(Intent.ACTION_PACKAGES_SUSPENDED)) { |
| final int[] suspendedUids = intent.getIntArrayExtra(Intent.EXTRA_CHANGED_UID_LIST); |
| final String[] suspendedPackages = |
| intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| if (suspendedPackages == null || suspendedUids == null |
| || suspendedPackages.length != suspendedUids.length) { |
| return; |
| } |
| for (int i = 0; i < suspendedUids.length; i++) { |
| if (!TextUtils.isEmpty(suspendedPackages[i])) { |
| mMediaFocusControl.noFocusForSuspendedApp( |
| suspendedPackages[i], suspendedUids[i]); |
| } |
| } |
| } |
| } |
| } // end class AudioServiceBroadcastReceiver |
| |
| private class AudioServiceUserRestrictionsListener implements UserRestrictionsListener { |
| |
| @Override |
| public void onUserRestrictionsChanged(int userId, Bundle newRestrictions, |
| Bundle prevRestrictions) { |
| // Update mic mute state. |
| { |
| final boolean wasRestricted = |
| prevRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE); |
| final boolean isRestricted = |
| newRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE); |
| if (wasRestricted != isRestricted) { |
| mMicMuteFromRestrictions = isRestricted; |
| setMicrophoneMuteNoCallerCheck(userId); |
| } |
| } |
| |
| // Update speaker mute state. |
| { |
| final boolean wasRestricted = |
| prevRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME) |
| || prevRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_DEVICE); |
| final boolean isRestricted = |
| newRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME) |
| || newRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_DEVICE); |
| if (wasRestricted != isRestricted) { |
| setMasterMuteInternalNoCallerCheck(isRestricted, /* flags =*/ 0, userId); |
| } |
| } |
| } |
| } // end class AudioServiceUserRestrictionsListener |
| |
| private void handleAudioEffectBroadcast(Context context, Intent intent) { |
| String target = intent.getPackage(); |
| if (target != null) { |
| Log.w(TAG, "effect broadcast already targeted to " + target); |
| return; |
| } |
| intent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); |
| // TODO this should target a user-selected panel |
| List<ResolveInfo> ril = context.getPackageManager().queryBroadcastReceivers( |
| intent, 0 /* flags */); |
| if (ril != null && ril.size() != 0) { |
| ResolveInfo ri = ril.get(0); |
| if (ri != null && ri.activityInfo != null && ri.activityInfo.packageName != null) { |
| intent.setPackage(ri.activityInfo.packageName); |
| context.sendBroadcastAsUser(intent, UserHandle.ALL); |
| return; |
| } |
| } |
| Log.w(TAG, "couldn't find receiver package for effect intent"); |
| } |
| |
| private void killBackgroundUserProcessesWithRecordAudioPermission(UserInfo oldUser) { |
| PackageManager pm = mContext.getPackageManager(); |
| // Find the home activity of the user. It should not be killed to avoid expensive restart, |
| // when the user switches back. For managed profiles, we should kill all recording apps |
| ComponentName homeActivityName = null; |
| if (!oldUser.isManagedProfile()) { |
| homeActivityName = LocalServices.getService( |
| ActivityTaskManagerInternal.class).getHomeActivityForUser(oldUser.id); |
| } |
| final String[] permissions = { Manifest.permission.RECORD_AUDIO }; |
| List<PackageInfo> packages; |
| try { |
| packages = AppGlobals.getPackageManager() |
| .getPackagesHoldingPermissions(permissions, 0, oldUser.id).getList(); |
| } catch (RemoteException e) { |
| throw new AndroidRuntimeException(e); |
| } |
| for (int j = packages.size() - 1; j >= 0; j--) { |
| PackageInfo pkg = packages.get(j); |
| // Skip system processes |
| if (UserHandle.getAppId(pkg.applicationInfo.uid) < FIRST_APPLICATION_UID) { |
| continue; |
| } |
| // Skip packages that have permission to interact across users |
| if (pm.checkPermission(Manifest.permission.INTERACT_ACROSS_USERS, pkg.packageName) |
| == PackageManager.PERMISSION_GRANTED) { |
| continue; |
| } |
| if (homeActivityName != null |
| && pkg.packageName.equals(homeActivityName.getPackageName()) |
| && pkg.applicationInfo.isSystemApp()) { |
| continue; |
| } |
| try { |
| final int uid = pkg.applicationInfo.uid; |
| ActivityManager.getService().killUid(UserHandle.getAppId(uid), |
| UserHandle.getUserId(uid), |
| "killBackgroundUserProcessesWithAudioRecordPermission"); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling killUid", e); |
| } |
| } |
| } |
| |
| |
| //========================================================================================== |
| // Audio Focus |
| //========================================================================================== |
| /** |
| * Returns whether a focus request is eligible to force ducking. |
| * Will return true if: |
| * - the AudioAttributes have a usage of USAGE_ASSISTANCE_ACCESSIBILITY, |
| * - the focus request is AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK, |
| * - the associated Bundle has KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING set to true, |
| * - the uid of the requester is a known accessibility service or root. |
| * @param aa AudioAttributes of the focus request |
| * @param uid uid of the focus requester |
| * @return true if ducking is to be forced |
| */ |
| private boolean forceFocusDuckingForAccessibility(@Nullable AudioAttributes aa, |
| int request, int uid) { |
| if (aa == null || aa.getUsage() != AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY |
| || request != AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK) { |
| return false; |
| } |
| final Bundle extraInfo = aa.getBundle(); |
| if (extraInfo == null || |
| !extraInfo.getBoolean(AudioFocusRequest.KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING)) { |
| return false; |
| } |
| if (uid == 0) { |
| return true; |
| } |
| synchronized (mAccessibilityServiceUidsLock) { |
| if (mAccessibilityServiceUids != null) { |
| int callingUid = Binder.getCallingUid(); |
| for (int i = 0; i < mAccessibilityServiceUids.length; i++) { |
| if (mAccessibilityServiceUids[i] == callingUid) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| public int requestAudioFocus(AudioAttributes aa, int durationHint, IBinder cb, |
| IAudioFocusDispatcher fd, String clientId, String callingPackageName, int flags, |
| IAudioPolicyCallback pcb, int sdk) { |
| // permission checks |
| if ((flags & AudioManager.AUDIOFOCUS_FLAG_LOCK) == AudioManager.AUDIOFOCUS_FLAG_LOCK) { |
| if (AudioSystem.IN_VOICE_COMM_FOCUS_ID.equals(clientId)) { |
| if (PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE)) { |
| Log.e(TAG, "Invalid permission to (un)lock audio focus", new Exception()); |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| } else { |
| // only a registered audio policy can be used to lock focus |
| synchronized (mAudioPolicies) { |
| if (!mAudioPolicies.containsKey(pcb.asBinder())) { |
| Log.e(TAG, "Invalid unregistered AudioPolicy to (un)lock audio focus"); |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| } |
| } |
| } |
| |
| if (callingPackageName == null || clientId == null || aa == null) { |
| Log.e(TAG, "Invalid null parameter to request audio focus"); |
| return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| } |
| |
| return mMediaFocusControl.requestAudioFocus(aa, durationHint, cb, fd, |
| clientId, callingPackageName, flags, sdk, |
| forceFocusDuckingForAccessibility(aa, durationHint, Binder.getCallingUid())); |
| } |
| |
| public int abandonAudioFocus(IAudioFocusDispatcher fd, String clientId, AudioAttributes aa, |
| String callingPackageName) { |
| return mMediaFocusControl.abandonAudioFocus(fd, clientId, aa, callingPackageName); |
| } |
| |
| public void unregisterAudioFocusClient(String clientId) { |
| mMediaFocusControl.unregisterAudioFocusClient(clientId); |
| } |
| |
| public int getCurrentAudioFocus() { |
| return mMediaFocusControl.getCurrentAudioFocus(); |
| } |
| |
| public int getFocusRampTimeMs(int focusGain, AudioAttributes attr) { |
| return mMediaFocusControl.getFocusRampTimeMs(focusGain, attr); |
| } |
| |
| /** only public for mocking/spying, do not call outside of AudioService */ |
| @VisibleForTesting |
| public boolean hasAudioFocusUsers() { |
| return mMediaFocusControl.hasAudioFocusUsers(); |
| } |
| |
| //========================================================================================== |
| private boolean readCameraSoundForced() { |
| return SystemProperties.getBoolean("audio.camerasound.force", false) || |
| mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_camera_sound_forced); |
| } |
| |
| //========================================================================================== |
| // Device orientation |
| //========================================================================================== |
| /** |
| * Handles device configuration changes that may map to a change in rotation. |
| * Monitoring rotation is optional, and is defined by the definition and value |
| * of the "ro.audio.monitorRotation" system property. |
| */ |
| private void handleConfigurationChanged(Context context) { |
| try { |
| // reading new configuration "safely" (i.e. under try catch) in case anything |
| // goes wrong. |
| Configuration config = context.getResources().getConfiguration(); |
| sendMsg(mAudioHandler, |
| MSG_CONFIGURE_SAFE_MEDIA_VOLUME, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| TAG, |
| 0); |
| |
| boolean cameraSoundForced = readCameraSoundForced(); |
| synchronized (mSettingsLock) { |
| final boolean cameraSoundForcedChanged = (cameraSoundForced != mCameraSoundForced); |
| mCameraSoundForced = cameraSoundForced; |
| if (cameraSoundForcedChanged) { |
| if (!mIsSingleVolume) { |
| synchronized (VolumeStreamState.class) { |
| VolumeStreamState s = mStreamStates[AudioSystem.STREAM_SYSTEM_ENFORCED]; |
| if (cameraSoundForced) { |
| s.setAllIndexesToMax(); |
| mRingerModeAffectedStreams &= |
| ~(1 << AudioSystem.STREAM_SYSTEM_ENFORCED); |
| } else { |
| s.setAllIndexes(mStreamStates[AudioSystem.STREAM_SYSTEM], TAG); |
| mRingerModeAffectedStreams |= |
| (1 << AudioSystem.STREAM_SYSTEM_ENFORCED); |
| } |
| } |
| // take new state into account for streams muted by ringer mode |
| setRingerModeInt(getRingerModeInternal(), false); |
| } |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_SYSTEM, |
| cameraSoundForced ? |
| AudioSystem.FORCE_SYSTEM_ENFORCED : AudioSystem.FORCE_NONE, |
| "handleConfigurationChanged"); |
| 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); |
| } |
| } |
| |
| @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) { |
| return mDeviceBroker.startWatchingRoutes(observer); |
| } |
| |
| |
| //========================================================================================== |
| // 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 int mSafeMediaVolumeState; |
| private final Object mSafeMediaVolumeStateLock = new Object(); |
| |
| private int mMcc = 0; |
| // mSafeMediaVolumeIndex is the cached value of config_safe_media_volume_index property |
| private int mSafeMediaVolumeIndex; |
| // mSafeUsbMediaVolumeDbfs is the cached value of the config_safe_media_volume_usb_mB |
| // property, divided by 100.0. |
| private float mSafeUsbMediaVolumeDbfs; |
| // mSafeUsbMediaVolumeIndex is used for USB Headsets and is the music volume UI index |
| // corresponding to a gain of mSafeUsbMediaVolumeDbfs (defaulting to -37dB) in audio |
| // flinger mixer. |
| // We remove -22 dBs from the theoretical -15dB to account for the EQ + bass boost |
| // amplification when both effects are on with all band gains at maximum. |
| // This level corresponds to a loudness of 85 dB SPL for the warning to be displayed when |
| // the headset is compliant to EN 60950 with a max loudness of 100dB SPL. |
| private int mSafeUsbMediaVolumeIndex; |
| // mSafeMediaVolumeDevices lists the devices for which safe media volume is enforced, |
| /*package*/ final int mSafeMediaVolumeDevices = AudioSystem.DEVICE_OUT_WIRED_HEADSET |
| | AudioSystem.DEVICE_OUT_WIRED_HEADPHONE |
| | AudioSystem.DEVICE_OUT_USB_HEADSET; |
| // mMusicActiveMs is the cumulative time of music activity since safe volume was disabled. |
| // When this time reaches UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX, the safe media volume is re-enabled |
| // automatically. mMusicActiveMs is rounded to a multiple of MUSIC_ACTIVE_POLL_PERIOD_MS. |
| private int mMusicActiveMs; |
| private static final int UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX = (20 * 3600 * 1000); // 20 hours |
| private static final int MUSIC_ACTIVE_POLL_PERIOD_MS = 60000; // 1 minute polling interval |
| private static final int SAFE_VOLUME_CONFIGURE_TIMEOUT_MS = 30000; // 30s after boot completed |
| |
| private int safeMediaVolumeIndex(int device) { |
| if ((device & mSafeMediaVolumeDevices) == 0) { |
| return MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]; |
| } |
| if (device == AudioSystem.DEVICE_OUT_USB_HEADSET) { |
| return mSafeUsbMediaVolumeIndex; |
| } else { |
| return mSafeMediaVolumeIndex; |
| } |
| } |
| |
| private void setSafeMediaVolumeEnabled(boolean on, String caller) { |
| synchronized (mSafeMediaVolumeStateLock) { |
| if ((mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_NOT_CONFIGURED) && |
| (mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_DISABLED)) { |
| if (on && (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_INACTIVE)) { |
| mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE; |
| enforceSafeMediaVolume(caller); |
| } else if (!on && (mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE)) { |
| mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_INACTIVE; |
| mMusicActiveMs = 1; // nonzero = confirmed |
| saveMusicActiveMs(); |
| sendMsg(mAudioHandler, |
| MSG_CHECK_MUSIC_ACTIVE, |
| SENDMSG_REPLACE, |
| 0, |
| 0, |
| caller, |
| MUSIC_ACTIVE_POLL_PERIOD_MS); |
| } |
| } |
| } |
| } |
| |
| private void enforceSafeMediaVolume(String caller) { |
| VolumeStreamState streamState = mStreamStates[AudioSystem.STREAM_MUSIC]; |
| int devices = mSafeMediaVolumeDevices; |
| int i = 0; |
| |
| while (devices != 0) { |
| int device = 1 << i++; |
| if ((device & devices) == 0) { |
| continue; |
| } |
| int index = streamState.getIndex(device); |
| if (index > safeMediaVolumeIndex(device)) { |
| streamState.setIndex(safeMediaVolumeIndex(device), device, caller); |
| sendMsg(mAudioHandler, |
| MSG_SET_DEVICE_VOLUME, |
| SENDMSG_QUEUE, |
| device, |
| 0, |
| streamState, |
| 0); |
| } |
| devices &= ~device; |
| } |
| } |
| |
| private boolean checkSafeMediaVolume(int streamType, int index, int device) { |
| synchronized (mSafeMediaVolumeStateLock) { |
| if ((mSafeMediaVolumeState == SAFE_MEDIA_VOLUME_ACTIVE) && |
| (mStreamVolumeAlias[streamType] == AudioSystem.STREAM_MUSIC) && |
| ((device & mSafeMediaVolumeDevices) != 0) && |
| (index > safeMediaVolumeIndex(device))) { |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| @Override |
| public void disableSafeMediaVolume(String callingPackage) { |
| enforceVolumeController("disable the safe media volume"); |
| synchronized (mSafeMediaVolumeStateLock) { |
| setSafeMediaVolumeEnabled(false, callingPackage); |
| if (mPendingVolumeCommand != null) { |
| onSetStreamVolume(mPendingVolumeCommand.mStreamType, |
| mPendingVolumeCommand.mIndex, |
| mPendingVolumeCommand.mFlags, |
| mPendingVolumeCommand.mDevice, |
| callingPackage); |
| mPendingVolumeCommand = null; |
| } |
| } |
| } |
| |
| //========================================================================================== |
| // Hdmi CEC: |
| // - System audio mode: |
| // If Hdmi Cec's system audio mode is on, audio service should send the volume change |
| // to HdmiControlService so that the audio receiver can handle it. |
| // - CEC sink: |
| // OUT_HDMI becomes a "full volume device", i.e. output is always at maximum level |
| // and volume changes won't be taken into account on this device. Volume adjustments |
| // are transformed into key events for the HDMI playback client. |
| //========================================================================================== |
| |
| @GuardedBy("mHdmiClientLock") |
| private void updateHdmiCecSinkLocked(boolean hdmiCecSink) { |
| mHdmiCecSink = hdmiCecSink; |
| if (mHdmiCecSink) { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "CEC sink: setting HDMI as full vol device"); |
| } |
| mFullVolumeDevices |= AudioSystem.DEVICE_OUT_HDMI; |
| } else { |
| if (DEBUG_VOL) { |
| Log.d(TAG, "TV, no CEC: setting HDMI as regular vol device"); |
| } |
| // Android TV devices without CEC service apply software volume on |
| // HDMI output |
| mFullVolumeDevices &= ~AudioSystem.DEVICE_OUT_HDMI; |
| } |
| |
| checkAddAllFixedVolumeDevices(AudioSystem.DEVICE_OUT_HDMI, |
| "HdmiPlaybackClient.DisplayStatusCallback"); |
| } |
| |
| private class MyHdmiControlStatusChangeListenerCallback |
| implements HdmiControlManager.HdmiControlStatusChangeListener { |
| public void onStatusChange(boolean isCecEnabled, boolean isCecAvailable) { |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager == null) return; |
| updateHdmiCecSinkLocked(isCecEnabled ? isCecAvailable : false); |
| } |
| } |
| }; |
| |
| private final Object mHdmiClientLock = new Object(); |
| |
| // If HDMI-CEC system audio is supported |
| private boolean mHdmiSystemAudioSupported = false; |
| // Set only when device is tv. |
| @GuardedBy("mHdmiClientLock") |
| private HdmiTvClient mHdmiTvClient; |
| // true if the device has system feature PackageManager.FEATURE_LEANBACK. |
| // cached HdmiControlManager interface |
| @GuardedBy("mHdmiClientLock") |
| private HdmiControlManager mHdmiManager; |
| // Set only when device is a set-top box. |
| @GuardedBy("mHdmiClientLock") |
| private HdmiPlaybackClient mHdmiPlaybackClient; |
| // true if we are a set-top box, an HDMI sink is connected and it supports CEC. |
| @GuardedBy("mHdmiClientLock") |
| private boolean mHdmiCecSink; |
| // Set only when device is an audio system. |
| @GuardedBy("mHdmiClientLock") |
| private HdmiAudioSystemClient mHdmiAudioSystemClient; |
| |
| private MyHdmiControlStatusChangeListenerCallback mHdmiControlStatusChangeListenerCallback = |
| new MyHdmiControlStatusChangeListenerCallback(); |
| |
| @Override |
| public int setHdmiSystemAudioSupported(boolean on) { |
| int device = AudioSystem.DEVICE_NONE; |
| synchronized (mHdmiClientLock) { |
| if (mHdmiManager != null) { |
| if (mHdmiTvClient == null && mHdmiAudioSystemClient == null) { |
| Log.w(TAG, "Only Hdmi-Cec enabled TV or audio system device supports" |
| + "system audio mode."); |
| return device; |
| } |
| if (mHdmiSystemAudioSupported != on) { |
| mHdmiSystemAudioSupported = on; |
| final int config = on ? AudioSystem.FORCE_HDMI_SYSTEM_AUDIO_ENFORCED : |
| AudioSystem.FORCE_NONE; |
| mDeviceBroker.setForceUse_Async(AudioSystem.FOR_HDMI_SYSTEM_AUDIO, config, |
| "setHdmiSystemAudioSupported"); |
| } |
| device = getDevicesForStream(AudioSystem.STREAM_MUSIC); |
| } |
| } |
| return device; |
| } |
| |
| @Override |
| public boolean isHdmiSystemAudioSupported() { |
| return mHdmiSystemAudioSupported; |
| } |
| |
| //========================================================================================== |
| // Accessibility |
| |
| private void initA11yMonitoring() { |
| final AccessibilityManager accessibilityManager = |
| (AccessibilityManager) mContext.getSystemService(Context.ACCESSIBILITY_SERVICE); |
| updateDefaultStreamOverrideDelay(accessibilityManager.isTouchExplorationEnabled()); |
| updateA11yVolumeAlias(accessibilityManager.isAccessibilityVolumeStreamActive()); |
| accessibilityManager.addTouchExplorationStateChangeListener(this, null); |
| accessibilityManager.addAccessibilityServicesStateChangeListener(this, null); |
| } |
| |
| //--------------------------------------------------------------------------------- |
| // A11y: taking touch exploration into account for selecting the default |
| // stream override timeout when adjusting volume |
| //--------------------------------------------------------------------------------- |
| |
| // - STREAM_NOTIFICATION on tablets during this period after a notification stopped |
| // - STREAM_RING on phones during this period after a notification stopped |
| // - STREAM_MUSIC otherwise |
| |
| private static final int DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS = 0; |
| private static final int TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS = 1000; |
| |
| private static int sStreamOverrideDelayMs; |
| |
| @Override |
| public void onTouchExplorationStateChanged(boolean enabled) { |
| updateDefaultStreamOverrideDelay(enabled); |
| } |
| |
| private void updateDefaultStreamOverrideDelay(boolean touchExploreEnabled) { |
| if (touchExploreEnabled) { |
| sStreamOverrideDelayMs = TOUCH_EXPLORE_STREAM_TYPE_OVERRIDE_DELAY_MS; |
| } else { |
| sStreamOverrideDelayMs = DEFAULT_STREAM_TYPE_OVERRIDE_DELAY_MS; |
| } |
| if (DEBUG_VOL) Log.d(TAG, "Touch exploration enabled=" + touchExploreEnabled |
| + " stream override delay is now " + sStreamOverrideDelayMs + " ms"); |
| } |
| |
| //--------------------------------------------------------------------------------- |
| // A11y: taking a11y state into account for the handling of a11y prompts volume |
| //--------------------------------------------------------------------------------- |
| |
| private static boolean sIndependentA11yVolume = false; |
| |
| // implementation of AccessibilityServicesStateChangeListener |
| @Override |
| public void onAccessibilityServicesStateChanged(AccessibilityManager accessibilityManager) { |
| updateA11yVolumeAlias(accessibilityManager.isAccessibilityVolumeStreamActive()); |
| } |
| |
| private void updateA11yVolumeAlias(boolean a11VolEnabled) { |
| if (DEBUG_VOL) Log.d(TAG, "Accessibility volume enabled = " + a11VolEnabled); |
| if (sIndependentA11yVolume != a11VolEnabled) { |
| sIndependentA11yVolume = a11VolEnabled; |
| // update the volume mapping scheme |
| updateStreamVolumeAlias(true /*updateVolumes*/, TAG); |
| // update the volume controller behavior |
| mVolumeController.setA11yMode(sIndependentA11yVolume ? |
| VolumePolicy.A11Y_MODE_INDEPENDENT_A11Y_VOLUME : |
| VolumePolicy.A11Y_MODE_MEDIA_A11Y_VOLUME); |
| mVolumeController.postVolumeChanged(AudioManager.STREAM_ACCESSIBILITY, 0); |
| } |
| } |
| |
| //========================================================================================== |
| // Camera shutter sound policy. |
| // config_camera_sound_forced configuration option in config.xml defines if the camera shutter |
| // sound is forced (sound even if the device is in silent mode) or not. This option is false by |
| // default and can be overridden by country specific overlay in values-mccXXX/config.xml. |
| //========================================================================================== |
| |
| // cached value of com.android.internal.R.bool.config_camera_sound_forced |
| @GuardedBy("mSettingsLock") |
| private boolean mCameraSoundForced; |
| |
| // called by android.hardware.Camera to populate CameraInfo.canDisableShutterSound |
| public boolean isCameraSoundForced() { |
| synchronized (mSettingsLock) { |
| return mCameraSoundForced; |
| } |
| } |
| |
| //========================================================================================== |
| // AudioService logging and dumpsys |
| //========================================================================================== |
| static final int LOG_NB_EVENTS_PHONE_STATE = 20; |
| static final int LOG_NB_EVENTS_DEVICE_CONNECTION = 30; |
| static final int LOG_NB_EVENTS_FORCE_USE = 20; |
| static final int LOG_NB_EVENTS_VOLUME = 40; |
| static final int LOG_NB_EVENTS_DYN_POLICY = 10; |
| |
| final private AudioEventLogger mModeLogger = new AudioEventLogger(LOG_NB_EVENTS_PHONE_STATE, |
| "phone state (logged after successfull call to AudioSystem.setPhoneState(int))"); |
| |
| // logs for wired + A2DP device connections: |
| // - wired: logged before onSetWiredDeviceConnectionState() is executed |
| // - A2DP: logged at reception of method call |
| /*package*/ static final AudioEventLogger sDeviceLogger = new AudioEventLogger( |
| LOG_NB_EVENTS_DEVICE_CONNECTION, "wired/A2DP/hearing aid device connection"); |
| |
| static final AudioEventLogger sForceUseLogger = new AudioEventLogger( |
| LOG_NB_EVENTS_FORCE_USE, |
| "force use (logged before setForceUse() is executed)"); |
| |
| static final AudioEventLogger sVolumeLogger = new AudioEventLogger(LOG_NB_EVENTS_VOLUME, |
| "volume changes (logged when command received by AudioService)"); |
| |
| final private AudioEventLogger mDynPolicyLogger = new AudioEventLogger(LOG_NB_EVENTS_DYN_POLICY, |
| "dynamic policy events (logged when command received by AudioService)"); |
| |
| private static final String[] RINGER_MODE_NAMES = new String[] { |
| "SILENT", |
| "VIBRATE", |
| "NORMAL" |
| }; |
| |
| private void dumpRingerMode(PrintWriter pw) { |
| pw.println("\nRinger mode: "); |
| pw.println("- mode (internal) = " + RINGER_MODE_NAMES[mRingerMode]); |
| pw.println("- mode (external) = " + RINGER_MODE_NAMES[mRingerModeExternal]); |
| dumpRingerModeStreams(pw, "affected", mRingerModeAffectedStreams); |
| dumpRingerModeStreams(pw, "muted", mRingerAndZenModeMutedStreams); |
| pw.print("- delegate = "); pw.println(mRingerModeDelegate); |
| } |
| |
| private void dumpRingerModeStreams(PrintWriter pw, String type, int streams) { |
| pw.print("- ringer mode "); pw.print(type); pw.print(" streams = 0x"); |
| pw.print(Integer.toHexString(streams)); |
| if (streams != 0) { |
| pw.print(" ("); |
| boolean first = true; |
| for (int i = 0; i < AudioSystem.STREAM_NAMES.length; i++) { |
| final int stream = (1 << i); |
| if ((streams & stream) != 0) { |
| if (!first) pw.print(','); |
| pw.print(AudioSystem.STREAM_NAMES[i]); |
| streams &= ~stream; |
| first = false; |
| } |
| } |
| if (streams != 0) { |
| if (!first) pw.print(','); |
| pw.print(streams); |
| } |
| pw.print(')'); |
| } |
| pw.println(); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
| |
| if (mAudioHandler != null) { |
| pw.println("\nMessage handler (watch for unhandled messages):"); |
| mAudioHandler.dump(new PrintWriterPrinter(pw), " "); |
| } else { |
| pw.println("\nMessage handler is null"); |
| } |
| mMediaFocusControl.dump(pw); |
| dumpStreamStates(pw); |
| dumpRingerMode(pw); |
| pw.println("\nAudio routes:"); |
| pw.print(" mMainType=0x"); pw.println(Integer.toHexString( |
| mDeviceBroker.getCurAudioRoutes().mainType)); |
| pw.print(" mBluetoothName="); pw.println(mDeviceBroker.getCurAudioRoutes().bluetoothName); |
| |
| pw.println("\nOther state:"); |
| pw.print(" mVolumeController="); pw.println(mVolumeController); |
| pw.print(" mSafeMediaVolumeState="); |
| pw.println(safeMediaVolumeStateToString(mSafeMediaVolumeState)); |
| pw.print(" mSafeMediaVolumeIndex="); pw.println(mSafeMediaVolumeIndex); |
| pw.print(" mSafeUsbMediaVolumeIndex="); pw.println(mSafeUsbMediaVolumeIndex); |
| pw.print(" mSafeUsbMediaVolumeDbfs="); pw.println(mSafeUsbMediaVolumeDbfs); |
| pw.print(" sIndependentA11yVolume="); pw.println(sIndependentA11yVolume); |
| pw.print(" mPendingVolumeCommand="); pw.println(mPendingVolumeCommand); |
| pw.print(" mMusicActiveMs="); pw.println(mMusicActiveMs); |
| pw.print(" mMcc="); pw.println(mMcc); |
| pw.print(" mCameraSoundForced="); pw.println(mCameraSoundForced); |
| pw.print(" mHasVibrator="); pw.println(mHasVibrator); |
| pw.print(" mVolumePolicy="); pw.println(mVolumePolicy); |
| pw.print(" mAvrcpAbsVolSupported="); |
| pw.println(mDeviceBroker.isAvrcpAbsoluteVolumeSupported()); |
| pw.print(" mIsSingleVolume="); pw.println(mIsSingleVolume); |
| pw.print(" mUseFixedVolume="); pw.println(mUseFixedVolume); |
| pw.print(" mFixedVolumeDevices=0x"); pw.println(Integer.toHexString(mFixedVolumeDevices)); |
| pw.print(" mHdmiCecSink="); pw.println(mHdmiCecSink); |
| pw.print(" mHdmiAudioSystemClient="); pw.println(mHdmiAudioSystemClient); |
| pw.print(" mHdmiPlaybackClient="); pw.println(mHdmiPlaybackClient); |
| pw.print(" mHdmiTvClient="); pw.println(mHdmiTvClient); |
| pw.print(" mHdmiSystemAudioSupported="); pw.println(mHdmiSystemAudioSupported); |
| |
| dumpAudioPolicies(pw); |
| mDynPolicyLogger.dump(pw); |
| mPlaybackMonitor.dump(pw); |
| mRecordMonitor.dump(pw); |
| |
| pw.println("\nAudioDeviceBroker:"); |
| mDeviceBroker.dump(pw, " "); |
| pw.println("\nSoundEffects:"); |
| mSfxHelper.dump(pw, " "); |
| |
| pw.println("\n"); |
| pw.println("\nEvent logs:"); |
| mModeLogger.dump(pw); |
| pw.println("\n"); |
| sDeviceLogger.dump(pw); |
| pw.println("\n"); |
| sForceUseLogger.dump(pw); |
| pw.println("\n"); |
| sVolumeLogger.dump(pw); |
| } |
| |
| private static String safeMediaVolumeStateToString(int state) { |
| switch(state) { |
| case SAFE_MEDIA_VOLUME_NOT_CONFIGURED: return "SAFE_MEDIA_VOLUME_NOT_CONFIGURED"; |
| case SAFE_MEDIA_VOLUME_DISABLED: return "SAFE_MEDIA_VOLUME_DISABLED"; |
| case SAFE_MEDIA_VOLUME_INACTIVE: return "SAFE_MEDIA_VOLUME_INACTIVE"; |
| case SAFE_MEDIA_VOLUME_ACTIVE: return "SAFE_MEDIA_VOLUME_ACTIVE"; |
| } |
| return null; |
| } |
| |
| // Inform AudioFlinger of our device's low RAM attribute |
| private static void readAndSetLowRamDevice() |
| { |
| boolean isLowRamDevice = ActivityManager.isLowRamDeviceStatic(); |
| long totalMemory = 1024 * 1024 * 1024; // 1GB is the default if ActivityManager fails. |
| |
| try { |
| final ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo(); |
| ActivityManager.getService().getMemoryInfo(info); |
| totalMemory = info.totalMem; |
| } catch (RemoteException e) { |
| Log.w(TAG, "Cannot obtain MemoryInfo from ActivityManager, assume low memory device"); |
| isLowRamDevice = true; |
| } |
| |
| final int status = AudioSystem.setLowRamDevice(isLowRamDevice, totalMemory); |
| if (status != 0) { |
| Log.w(TAG, "AudioFlinger informed of device's low RAM attribute; status " + status); |
| } |
| } |
| |
| private void enforceVolumeController(String action) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE, |
| "Only SystemUI can " + action); |
| } |
| |
| @Override |
| public void setVolumeController(final IVolumeController controller) { |
| enforceVolumeController("set the volume controller"); |
| |
| // return early if things are not actually changing |
| if (mVolumeController.isSameBinder(controller)) { |
| return; |
| } |
| |
| // dismiss the old volume controller |
| mVolumeController.postDismiss(); |
| if (controller != null) { |
| // we are about to register a new controller, listen for its death |
| try { |
| controller.asBinder().linkToDeath(new DeathRecipient() { |
| @Override |
| public void binderDied() { |
| if (mVolumeController.isSameBinder(controller)) { |
| Log.w(TAG, "Current remote volume controller died, unregistering"); |
| setVolumeController(null); |
| } |
| } |
| }, 0); |
| } catch (RemoteException e) { |
| // noop |
| } |
| } |
| mVolumeController.setController(controller); |
| if (DEBUG_VOL) Log.d(TAG, "Volume controller: " + mVolumeController); |
| } |
| |
| @Override |
| public void notifyVolumeControllerVisible(final IVolumeController controller, boolean visible) { |
| enforceVolumeController("notify about volume controller visibility"); |
| |
| // return early if the controller is not current |
| if (!mVolumeController.isSameBinder(controller)) { |
| return; |
| } |
| |
| mVolumeController.setVisible(visible); |
| if (DEBUG_VOL) Log.d(TAG, "Volume controller visible: " + visible); |
| } |
| |
| @Override |
| public void setVolumePolicy(VolumePolicy policy) { |
| enforceVolumeController("set volume policy"); |
| if (policy != null && !policy.equals(mVolumePolicy)) { |
| mVolumePolicy = policy; |
| if (DEBUG_VOL) Log.d(TAG, "Volume policy changed: " + mVolumePolicy); |
| } |
| } |
| |
| public static class VolumeController { |
| private static final String TAG = "VolumeController"; |
| |
| private IVolumeController mController; |
| private boolean mVisible; |
| private long mNextLongPress; |
| private int mLongPressTimeout; |
| |
| public void setController(IVolumeController controller) { |
| mController = controller; |
| mVisible = false; |
| } |
| |
| public void loadSettings(ContentResolver cr) { |
| mLongPressTimeout = Settings.Secure.getIntForUser(cr, |
| Settings.Secure.LONG_PRESS_TIMEOUT, 500, UserHandle.USER_CURRENT); |
| } |
| |
| public boolean suppressAdjustment(int resolvedStream, int flags, boolean isMute) { |
| if (isMute) { |
| return false; |
| } |
| boolean suppress = false; |
| if (resolvedStream == DEFAULT_VOL_STREAM_NO_PLAYBACK && mController != null) { |
| final long now = SystemClock.uptimeMillis(); |
| if ((flags & AudioManager.FLAG_SHOW_UI) != 0 && !mVisible) { |
| // ui will become visible |
| if (mNextLongPress < now) { |
| mNextLongPress = now + mLongPressTimeout; |
| } |
| suppress = true; |
| } else if (mNextLongPress > 0) { // in a long-press |
| if (now > mNextLongPress) { |
| // long press triggered, no more suppression |
| mNextLongPress = 0; |
| } else { |
| // keep suppressing until the long press triggers |
| suppress = true; |
| } |
| } |
| } |
| return suppress; |
| } |
| |
| public void setVisible(boolean visible) { |
| mVisible = visible; |
| } |
| |
| public boolean isSameBinder(IVolumeController controller) { |
| return Objects.equals(asBinder(), binder(controller)); |
| } |
| |
| public IBinder asBinder() { |
| return binder(mController); |
| } |
| |
| private static IBinder binder(IVolumeController controller) { |
| return controller == null ? null : controller.asBinder(); |
| } |
| |
| @Override |
| public String toString() { |
| return "VolumeController(" + asBinder() + ",mVisible=" + mVisible + ")"; |
| } |
| |
| public void postDisplaySafeVolumeWarning(int flags) { |
| if (mController == null) |
| return; |
| try { |
| mController.displaySafeVolumeWarning(flags); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling displaySafeVolumeWarning", e); |
| } |
| } |
| |
| public void postVolumeChanged(int streamType, int flags) { |
| if (mController == null) |
| return; |
| try { |
| mController.volumeChanged(streamType, flags); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling volumeChanged", e); |
| } |
| } |
| |
| public void postMasterMuteChanged(int flags) { |
| if (mController == null) |
| return; |
| try { |
| mController.masterMuteChanged(flags); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling masterMuteChanged", e); |
| } |
| } |
| |
| public void setLayoutDirection(int layoutDirection) { |
| if (mController == null) |
| return; |
| try { |
| mController.setLayoutDirection(layoutDirection); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling setLayoutDirection", e); |
| } |
| } |
| |
| public void postDismiss() { |
| if (mController == null) |
| return; |
| try { |
| mController.dismiss(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling dismiss", e); |
| } |
| } |
| |
| public void setA11yMode(int a11yMode) { |
| if (mController == null) |
| return; |
| try { |
| mController.setA11yMode(a11yMode); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling setA11Mode", e); |
| } |
| } |
| } |
| |
| /** |
| * Interface for system components to get some extra functionality through |
| * LocalServices. |
| */ |
| final class AudioServiceInternal extends AudioManagerInternal { |
| @Override |
| public void setRingerModeDelegate(RingerModeDelegate delegate) { |
| mRingerModeDelegate = delegate; |
| if (mRingerModeDelegate != null) { |
| synchronized (mSettingsLock) { |
| updateRingerAndZenModeAffectedStreams(); |
| } |
| setRingerModeInternal(getRingerModeInternal(), TAG + ".setRingerModeDelegate"); |
| } |
| } |
| |
| @Override |
| public void adjustSuggestedStreamVolumeForUid(int streamType, int direction, int flags, |
| String callingPackage, int uid) { |
| // direction and stream type swap here because the public |
| // adjustSuggested has a different order than the other methods. |
| adjustSuggestedStreamVolume(direction, streamType, flags, callingPackage, |
| callingPackage, uid); |
| } |
| |
| @Override |
| public void adjustStreamVolumeForUid(int streamType, int direction, int flags, |
| String callingPackage, int uid) { |
| if (direction != AudioManager.ADJUST_SAME) { |
| sVolumeLogger.log(new VolumeEvent(VolumeEvent.VOL_ADJUST_VOL_UID, streamType, |
| direction/*val1*/, flags/*val2*/, new StringBuilder(callingPackage) |
| .append(" uid:").append(uid).toString())); |
| } |
| adjustStreamVolume(streamType, direction, flags, callingPackage, |
| callingPackage, uid); |
| } |
| |
| @Override |
| public void setStreamVolumeForUid(int streamType, int direction, int flags, |
| String callingPackage, int uid) { |
| setStreamVolume(streamType, direction, flags, callingPackage, callingPackage, uid); |
| } |
| |
| @Override |
| public int getRingerModeInternal() { |
| return AudioService.this.getRingerModeInternal(); |
| } |
| |
| @Override |
| public void setRingerModeInternal(int ringerMode, String caller) { |
| AudioService.this.setRingerModeInternal(ringerMode, caller); |
| } |
| |
| @Override |
| public void silenceRingerModeInternal(String caller) { |
| AudioService.this.silenceRingerModeInternal(caller); |
| } |
| |
| @Override |
| public void updateRingerModeAffectedStreamsInternal() { |
| synchronized (mSettingsLock) { |
| if (updateRingerAndZenModeAffectedStreams()) { |
| setRingerModeInt(getRingerModeInternal(), false); |
| } |
| } |
| } |
| |
| @Override |
| public void setAccessibilityServiceUids(IntArray uids) { |
| synchronized (mAccessibilityServiceUidsLock) { |
| if (uids.size() == 0) { |
| mAccessibilityServiceUids = null; |
| } else { |
| boolean changed = (mAccessibilityServiceUids == null) |
| || (mAccessibilityServiceUids.length != uids.size()); |
| if (!changed) { |
| for (int i = 0; i < mAccessibilityServiceUids.length; i++) { |
| if (uids.get(i) != mAccessibilityServiceUids[i]) { |
| changed = true; |
| break; |
| } |
| } |
| } |
| if (changed) { |
| mAccessibilityServiceUids = uids.toArray(); |
| } |
| } |
| AudioSystem.setA11yServicesUids(mAccessibilityServiceUids); |
| } |
| } |
| } |
| |
| //========================================================================================== |
| // Audio policy management |
| //========================================================================================== |
| public String registerAudioPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb, |
| boolean hasFocusListener, boolean isFocusPolicy, boolean isTestFocusPolicy, |
| boolean isVolumeController, IMediaProjection projection) { |
| AudioSystem.setDynamicPolicyCallback(mDynPolicyCallback); |
| |
| if (!isPolicyRegisterAllowed(policyConfig, |
| isFocusPolicy || isTestFocusPolicy || hasFocusListener, |
| isVolumeController, |
| projection)) { |
| Slog.w(TAG, "Permission denied to register audio policy for pid " |
| + Binder.getCallingPid() + " / uid " + Binder.getCallingUid() |
| + ", need MODIFY_AUDIO_ROUTING or MediaProjection that can project audio"); |
| return null; |
| } |
| |
| mDynPolicyLogger.log((new AudioEventLogger.StringEvent("registerAudioPolicy for " |
| + pcb.asBinder() + " with config:" + policyConfig)).printLog(TAG)); |
| |
| String regId = null; |
| synchronized (mAudioPolicies) { |
| if (mAudioPolicies.containsKey(pcb.asBinder())) { |
| Slog.e(TAG, "Cannot re-register policy"); |
| return null; |
| } |
| try { |
| AudioPolicyProxy app = new AudioPolicyProxy(policyConfig, pcb, hasFocusListener, |
| isFocusPolicy, isTestFocusPolicy, isVolumeController, projection); |
| 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; |
| } catch (IllegalStateException e) { |
| Slog.w(TAG, "Audio policy registration failed for binder " + pcb, e); |
| return null; |
| } |
| } |
| return regId; |
| } |
| |
| /** |
| * Apps with MODIFY_AUDIO_ROUTING can register any policy. |
| * Apps with an audio capable MediaProjection are allowed to register a RENDER|LOOPBACK policy |
| * as those policy do not modify the audio routing. |
| */ |
| private boolean isPolicyRegisterAllowed(AudioPolicyConfig policyConfig, |
| boolean hasFocusAccess, |
| boolean isVolumeController, |
| IMediaProjection projection) { |
| |
| boolean requireValidProjection = false; |
| boolean requireCaptureAudioOrMediaOutputPerm = false; |
| boolean requireModifyRouting = false; |
| |
| if (hasFocusAccess || isVolumeController) { |
| requireModifyRouting |= true; |
| } else if (policyConfig.getMixes().isEmpty()) { |
| // An empty policy could be used to lock the focus or add mixes later |
| requireModifyRouting |= true; |
| } |
| for (AudioMix mix : policyConfig.getMixes()) { |
| // If mix is requesting a privileged capture |
| if (mix.getRule().allowPrivilegedPlaybackCapture()) { |
| // then it must have CAPTURE_MEDIA_OUTPUT or CAPTURE_AUDIO_OUTPUT permission |
| requireCaptureAudioOrMediaOutputPerm |= true; |
| // and its format must be low quality enough |
| String error = mix.canBeUsedForPrivilegedCapture(mix.getFormat()); |
| if (error != null) { |
| Log.e(TAG, error); |
| return false; |
| } |
| } |
| |
| // If mix is RENDER|LOOPBACK, then an audio MediaProjection is enough |
| // otherwise MODIFY_AUDIO_ROUTING permission is required |
| if (mix.getRouteFlags() == mix.ROUTE_FLAG_LOOP_BACK_RENDER && projection != null) { |
| requireValidProjection |= true; |
| } else { |
| requireModifyRouting |= true; |
| } |
| } |
| |
| if (requireCaptureAudioOrMediaOutputPerm |
| && !callerHasPermission(android.Manifest.permission.CAPTURE_MEDIA_OUTPUT) |
| && !callerHasPermission(android.Manifest.permission.CAPTURE_AUDIO_OUTPUT)) { |
| Log.e(TAG, "Privileged audio capture requires CAPTURE_MEDIA_OUTPUT or " |
| + "CAPTURE_AUDIO_OUTPUT system permission"); |
| return false; |
| } |
| |
| if (requireValidProjection && !canProjectAudio(projection)) { |
| return false; |
| } |
| |
| if (requireModifyRouting |
| && !callerHasPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)) { |
| Log.e(TAG, "Can not capture audio without MODIFY_AUDIO_ROUTING"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| private boolean callerHasPermission(String permission) { |
| return mContext.checkCallingPermission(permission) == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| /** @return true if projection is a valid MediaProjection that can project audio. */ |
| private boolean canProjectAudio(IMediaProjection projection) { |
| if (projection == null) { |
| Log.e(TAG, "MediaProjection is null"); |
| return false; |
| } |
| |
| IMediaProjectionManager projectionService = getProjectionService(); |
| if (projectionService == null) { |
| Log.e(TAG, "Can't get service IMediaProjectionManager"); |
| return false; |
| } |
| |
| try { |
| if (!projectionService.isValidMediaProjection(projection)) { |
| Log.w(TAG, "App passed invalid MediaProjection token"); |
| return false; |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call .isValidMediaProjection() on IMediaProjectionManager" |
| + projectionService.asBinder(), e); |
| return false; |
| } |
| |
| try { |
| if (!projection.canProjectAudio()) { |
| Log.w(TAG, "App passed MediaProjection that can not project audio"); |
| return false; |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call .canProjectAudio() on valid IMediaProjection" |
| + projection.asBinder(), e); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| private IMediaProjectionManager getProjectionService() { |
| if (mProjectionService == null) { |
| IBinder b = ServiceManager.getService(Context.MEDIA_PROJECTION_SERVICE); |
| mProjectionService = IMediaProjectionManager.Stub.asInterface(b); |
| } |
| return mProjectionService; |
| } |
| |
| /** |
| * See {@link AudioManager#unregisterAudioPolicyAsync(AudioPolicy)} |
| * Declared oneway |
| * @param pcb nullable because on service interface |
| */ |
| public void unregisterAudioPolicyAsync(@Nullable IAudioPolicyCallback pcb) { |
| unregisterAudioPolicy(pcb); |
| } |
| |
| /** |
| * See {@link AudioManager#unregisterAudioPolicy(AudioPolicy)} |
| * @param pcb nullable because on service interface |
| */ |
| public void unregisterAudioPolicy(@Nullable IAudioPolicyCallback pcb) { |
| if (pcb == null) { |
| return; |
| } |
| unregisterAudioPolicyInt(pcb); |
| } |
| |
| |
| private void unregisterAudioPolicyInt(@NonNull IAudioPolicyCallback pcb) { |
| mDynPolicyLogger.log((new AudioEventLogger.StringEvent("unregisterAudioPolicyAsync for " |
| + pcb.asBinder()).printLog(TAG))); |
| synchronized (mAudioPolicies) { |
| AudioPolicyProxy app = mAudioPolicies.remove(pcb.asBinder()); |
| if (app == null) { |
| Slog.w(TAG, "Trying to unregister unknown audio policy for pid " |
| + Binder.getCallingPid() + " / uid " + Binder.getCallingUid()); |
| return; |
| } else { |
| pcb.asBinder().unlinkToDeath(app, 0/*flags*/); |
| } |
| app.release(); |
| } |
| // TODO implement clearing mix attribute matching info in native audio policy |
| } |
| |
| /** |
| * Checks whether caller has MODIFY_AUDIO_ROUTING permission, and the policy is registered. |
| * @param errorMsg log warning if permission check failed. |
| * @return null if the operation on the audio mixes should be cancelled. |
| */ |
| @GuardedBy("mAudioPolicies") |
| private AudioPolicyProxy checkUpdateForPolicy(IAudioPolicyCallback pcb, String errorMsg) { |
| // permission check |
| final boolean hasPermissionForPolicy = |
| (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| if (!hasPermissionForPolicy) { |
| Slog.w(TAG, errorMsg + " for pid " + |
| + Binder.getCallingPid() + " / uid " |
| + Binder.getCallingUid() + ", need MODIFY_AUDIO_ROUTING"); |
| return null; |
| } |
| // policy registered? |
| final AudioPolicyProxy app = mAudioPolicies.get(pcb.asBinder()); |
| if (app == null) { |
| Slog.w(TAG, errorMsg + " for pid " + |
| + Binder.getCallingPid() + " / uid " |
| + Binder.getCallingUid() + ", unregistered policy"); |
| return null; |
| } |
| return app; |
| } |
| |
| public int addMixForPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb) { |
| if (DEBUG_AP) { Log.d(TAG, "addMixForPolicy for " + pcb.asBinder() |
| + " with config:" + policyConfig); } |
| synchronized (mAudioPolicies) { |
| final AudioPolicyProxy app = |
| checkUpdateForPolicy(pcb, "Cannot add AudioMix in audio policy"); |
| if (app == null){ |
| return AudioManager.ERROR; |
| } |
| return app.addMixes(policyConfig.getMixes()) == AudioSystem.SUCCESS |
| ? AudioManager.SUCCESS : AudioManager.ERROR; |
| } |
| } |
| |
| public int removeMixForPolicy(AudioPolicyConfig policyConfig, IAudioPolicyCallback pcb) { |
| if (DEBUG_AP) { Log.d(TAG, "removeMixForPolicy for " + pcb.asBinder() |
| + " with config:" + policyConfig); } |
| synchronized (mAudioPolicies) { |
| final AudioPolicyProxy app = |
| checkUpdateForPolicy(pcb, "Cannot add AudioMix in audio policy"); |
| if (app == null) { |
| return AudioManager.ERROR; |
| } |
| return app.removeMixes(policyConfig.getMixes()) == AudioSystem.SUCCESS |
| ? AudioManager.SUCCESS : AudioManager.ERROR; |
| } |
| } |
| |
| /** see AudioPolicy.setUidDeviceAffinity() */ |
| public int setUidDeviceAffinity(IAudioPolicyCallback pcb, int uid, |
| @NonNull int[] deviceTypes, @NonNull String[] deviceAddresses) { |
| if (DEBUG_AP) { |
| Log.d(TAG, "setUidDeviceAffinity for " + pcb.asBinder() + " uid:" + uid); |
| } |
| synchronized (mAudioPolicies) { |
| final AudioPolicyProxy app = |
| checkUpdateForPolicy(pcb, "Cannot change device affinity in audio policy"); |
| if (app == null) { |
| return AudioManager.ERROR; |
| } |
| if (!app.hasMixRoutedToDevices(deviceTypes, deviceAddresses)) { |
| return AudioManager.ERROR; |
| } |
| return app.setUidDeviceAffinities(uid, deviceTypes, deviceAddresses); |
| } |
| } |
| |
| /** see AudioPolicy.removeUidDeviceAffinity() */ |
| public int removeUidDeviceAffinity(IAudioPolicyCallback pcb, int uid) { |
| if (DEBUG_AP) { |
| Log.d(TAG, "removeUidDeviceAffinity for " + pcb.asBinder() + " uid:" + uid); |
| } |
| synchronized (mAudioPolicies) { |
| final AudioPolicyProxy app = |
| checkUpdateForPolicy(pcb, "Cannot remove device affinity in audio policy"); |
| if (app == null) { |
| return AudioManager.ERROR; |
| } |
| return app.removeUidDeviceAffinities(uid); |
| } |
| } |
| |
| public int setFocusPropertiesForPolicy(int duckingBehavior, IAudioPolicyCallback pcb) { |
| if (DEBUG_AP) Log.d(TAG, "setFocusPropertiesForPolicy() duck behavior=" + duckingBehavior |
| + " policy " + pcb.asBinder()); |
| synchronized (mAudioPolicies) { |
| final AudioPolicyProxy app = |
| checkUpdateForPolicy(pcb, "Cannot change audio policy focus properties"); |
| if (app == null){ |
| return AudioManager.ERROR; |
| } |
| if (!mAudioPolicies.containsKey(pcb.asBinder())) { |
| Slog.e(TAG, "Cannot change audio policy focus properties, unregistered policy"); |
| return AudioManager.ERROR; |
| } |
| if (duckingBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) { |
| // is there already one policy managing ducking? |
| for (AudioPolicyProxy policy : mAudioPolicies.values()) { |
| if (policy.mFocusDuckBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) { |
| Slog.e(TAG, "Cannot change audio policy ducking behavior, already handled"); |
| return AudioManager.ERROR; |
| } |
| } |
| } |
| app.mFocusDuckBehavior = duckingBehavior; |
| mMediaFocusControl.setDuckingInExtPolicyAvailable( |
| duckingBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY); |
| } |
| return AudioManager.SUCCESS; |
| } |
| |
| /** see AudioManager.hasRegisteredDynamicPolicy */ |
| public boolean hasRegisteredDynamicPolicy() { |
| synchronized (mAudioPolicies) { |
| return !mAudioPolicies.isEmpty(); |
| } |
| } |
| |
| private final Object mExtVolumeControllerLock = new Object(); |
| private IAudioPolicyCallback mExtVolumeController; |
| private void setExtVolumeController(IAudioPolicyCallback apc) { |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_handleVolumeKeysInWindowManager)) { |
| Log.e(TAG, "Cannot set external volume controller: device not set for volume keys" + |
| " handled in PhoneWindowManager"); |
| return; |
| } |
| synchronized (mExtVolumeControllerLock) { |
| if (mExtVolumeController != null && !mExtVolumeController.asBinder().pingBinder()) { |
| Log.e(TAG, "Cannot set external volume controller: existing controller"); |
| } |
| mExtVolumeController = apc; |
| } |
| } |
| |
| private void dumpAudioPolicies(PrintWriter pw) { |
| pw.println("\nAudio policies:"); |
| synchronized (mAudioPolicies) { |
| for (AudioPolicyProxy policy : mAudioPolicies.values()) { |
| pw.println(policy.toLogFriendlyString()); |
| } |
| } |
| } |
| |
| //====================== |
| // Audio policy callbacks from AudioSystem for dynamic policies |
| //====================== |
| private final AudioSystem.DynamicPolicyCallback mDynPolicyCallback = |
| new AudioSystem.DynamicPolicyCallback() { |
| public void onDynamicPolicyMixStateUpdate(String regId, int state) { |
| if (!TextUtils.isEmpty(regId)) { |
| sendMsg(mAudioHandler, MSG_DYN_POLICY_MIX_STATE_UPDATE, SENDMSG_QUEUE, |
| state /*arg1*/, 0 /*arg2 ignored*/, regId /*obj*/, 0 /*delay*/); |
| } |
| } |
| }; |
| |
| private void onDynPolicyMixStateUpdate(String regId, int state) { |
| if (DEBUG_AP) Log.d(TAG, "onDynamicPolicyMixStateUpdate("+ regId + ", " + state +")"); |
| synchronized (mAudioPolicies) { |
| for (AudioPolicyProxy policy : mAudioPolicies.values()) { |
| for (AudioMix mix : policy.getMixes()) { |
| if (mix.getRegistration().equals(regId)) { |
| try { |
| policy.mPolicyCallback.notifyMixStateUpdate(regId, state); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call notifyMixStateUpdate() on IAudioPolicyCallback " |
| + policy.mPolicyCallback.asBinder(), e); |
| } |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| //====================== |
| // Audio policy callbacks from AudioSystem for recording configuration updates |
| //====================== |
| private final RecordingActivityMonitor mRecordMonitor; |
| |
| public void registerRecordingCallback(IRecordingConfigDispatcher rcdb) { |
| final boolean isPrivileged = |
| (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| mRecordMonitor.registerRecordingCallback(rcdb, isPrivileged); |
| } |
| |
| public void unregisterRecordingCallback(IRecordingConfigDispatcher rcdb) { |
| mRecordMonitor.unregisterRecordingCallback(rcdb); |
| } |
| |
| public List<AudioRecordingConfiguration> getActiveRecordingConfigurations() { |
| final boolean isPrivileged = |
| (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| return mRecordMonitor.getActiveRecordingConfigurations(isPrivileged); |
| } |
| |
| //====================== |
| // Audio recording state notification from clients |
| //====================== |
| /** |
| * Track a recorder provided by the client |
| */ |
| public int trackRecorder(IBinder recorder) { |
| return mRecordMonitor.trackRecorder(recorder); |
| } |
| |
| /** |
| * Receive an event from the client about a tracked recorder |
| */ |
| public void recorderEvent(int riid, int event) { |
| mRecordMonitor.recorderEvent(riid, event); |
| } |
| |
| /** |
| * Stop tracking the recorder |
| */ |
| public void releaseRecorder(int riid) { |
| mRecordMonitor.releaseRecorder(riid); |
| } |
| |
| public void disableRingtoneSync(final int userId) { |
| final int callingUserId = UserHandle.getCallingUserId(); |
| if (callingUserId != userId) { |
| mContext.enforceCallingOrSelfPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| "disable sound settings syncing for another profile"); |
| } |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| // Disable the sync setting so the profile uses its own sound settings. |
| Settings.Secure.putIntForUser(mContentResolver, Settings.Secure.SYNC_PARENT_SOUNDS, |
| 0 /* false */, userId); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| //====================== |
| // Audio playback notification |
| //====================== |
| private final PlaybackActivityMonitor mPlaybackMonitor; |
| |
| public void registerPlaybackCallback(IPlaybackConfigDispatcher pcdb) { |
| final boolean isPrivileged = |
| (PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| mPlaybackMonitor.registerPlaybackCallback(pcdb, isPrivileged); |
| } |
| |
| public void unregisterPlaybackCallback(IPlaybackConfigDispatcher pcdb) { |
| mPlaybackMonitor.unregisterPlaybackCallback(pcdb); |
| } |
| |
| public List<AudioPlaybackConfiguration> getActivePlaybackConfigurations() { |
| final boolean isPrivileged = |
| (PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| return mPlaybackMonitor.getActivePlaybackConfigurations(isPrivileged); |
| } |
| |
| public int trackPlayer(PlayerBase.PlayerIdCard pic) { |
| return mPlaybackMonitor.trackPlayer(pic); |
| } |
| |
| public void playerAttributes(int piid, AudioAttributes attr) { |
| mPlaybackMonitor.playerAttributes(piid, attr, Binder.getCallingUid()); |
| } |
| |
| public void playerEvent(int piid, int event) { |
| mPlaybackMonitor.playerEvent(piid, event, Binder.getCallingUid()); |
| } |
| |
| public void playerHasOpPlayAudio(int piid, boolean hasOpPlayAudio) { |
| mPlaybackMonitor.playerHasOpPlayAudio(piid, hasOpPlayAudio, Binder.getCallingUid()); |
| } |
| |
| public void releasePlayer(int piid) { |
| mPlaybackMonitor.releasePlayer(piid, Binder.getCallingUid()); |
| } |
| |
| //====================== |
| // Audio device management |
| //====================== |
| private final AudioDeviceBroker mDeviceBroker; |
| |
| //====================== |
| // Audio policy proxy |
| //====================== |
| private static final class AudioDeviceArray { |
| final @NonNull int[] mDeviceTypes; |
| final @NonNull String[] mDeviceAddresses; |
| AudioDeviceArray(@NonNull int[] types, @NonNull String[] addresses) { |
| mDeviceTypes = types; |
| mDeviceAddresses = addresses; |
| } |
| } |
| |
| /** |
| * This internal class inherits from AudioPolicyConfig, each instance contains all the |
| * mixes of an AudioPolicy and their configurations. |
| */ |
| public class AudioPolicyProxy extends AudioPolicyConfig implements IBinder.DeathRecipient { |
| private static final String TAG = "AudioPolicyProxy"; |
| final IAudioPolicyCallback mPolicyCallback; |
| final boolean mHasFocusListener; |
| final boolean mIsVolumeController; |
| final HashMap<Integer, AudioDeviceArray> mUidDeviceAffinities = |
| new HashMap<Integer, AudioDeviceArray>(); |
| |
| final IMediaProjection mProjection; |
| private final class UnregisterOnStopCallback extends IMediaProjectionCallback.Stub { |
| public void onStop() { |
| unregisterAudioPolicyAsync(mPolicyCallback); |
| } |
| }; |
| UnregisterOnStopCallback mProjectionCallback; |
| |
| /** |
| * Audio focus ducking behavior for an audio policy. |
| * This variable reflects the value that was successfully set in |
| * {@link AudioService#setFocusPropertiesForPolicy(int, IAudioPolicyCallback)}. This |
| * implies that a value of FOCUS_POLICY_DUCKING_IN_POLICY means the corresponding policy |
| * is handling ducking for audio focus. |
| */ |
| int mFocusDuckBehavior = AudioPolicy.FOCUS_POLICY_DUCKING_DEFAULT; |
| boolean mIsFocusPolicy = false; |
| boolean mIsTestFocusPolicy = false; |
| |
| AudioPolicyProxy(AudioPolicyConfig config, IAudioPolicyCallback token, |
| boolean hasFocusListener, boolean isFocusPolicy, boolean isTestFocusPolicy, |
| boolean isVolumeController, IMediaProjection projection) { |
| super(config); |
| setRegistration(new String(config.hashCode() + ":ap:" + mAudioPolicyCounter++)); |
| mPolicyCallback = token; |
| mHasFocusListener = hasFocusListener; |
| mIsVolumeController = isVolumeController; |
| mProjection = projection; |
| if (mHasFocusListener) { |
| mMediaFocusControl.addFocusFollower(mPolicyCallback); |
| // can only ever be true if there is a focus listener |
| if (isFocusPolicy) { |
| mIsFocusPolicy = true; |
| mIsTestFocusPolicy = isTestFocusPolicy; |
| mMediaFocusControl.setFocusPolicy(mPolicyCallback, mIsTestFocusPolicy); |
| } |
| } |
| if (mIsVolumeController) { |
| setExtVolumeController(mPolicyCallback); |
| } |
| if (mProjection != null) { |
| mProjectionCallback = new UnregisterOnStopCallback(); |
| try { |
| mProjection.registerCallback(mProjectionCallback); |
| } catch (RemoteException e) { |
| release(); |
| throw new IllegalStateException("MediaProjection callback registration failed, " |
| + "could not link to " + projection + " binder death", e); |
| } |
| } |
| int status = connectMixes(); |
| if (status != AudioSystem.SUCCESS) { |
| release(); |
| throw new IllegalStateException("Could not connect mix, error: " + status); |
| } |
| } |
| |
| public void binderDied() { |
| Log.i(TAG, "audio policy " + mPolicyCallback + " died"); |
| release(); |
| } |
| |
| String getRegistrationId() { |
| return getRegistration(); |
| } |
| |
| void release() { |
| if (mIsFocusPolicy) { |
| mMediaFocusControl.unsetFocusPolicy(mPolicyCallback, mIsTestFocusPolicy); |
| } |
| if (mFocusDuckBehavior == AudioPolicy.FOCUS_POLICY_DUCKING_IN_POLICY) { |
| mMediaFocusControl.setDuckingInExtPolicyAvailable(false); |
| } |
| if (mHasFocusListener) { |
| mMediaFocusControl.removeFocusFollower(mPolicyCallback); |
| } |
| if (mProjectionCallback != null) { |
| try { |
| mProjection.unregisterCallback(mProjectionCallback); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Fail to unregister Audiopolicy callback from MediaProjection"); |
| } |
| } |
| if (mIsVolumeController) { |
| synchronized (mExtVolumeControllerLock) { |
| mExtVolumeController = null; |
| } |
| } |
| final long identity = Binder.clearCallingIdentity(); |
| AudioSystem.registerPolicyMixes(mMixes, false); |
| Binder.restoreCallingIdentity(identity); |
| synchronized (mAudioPolicies) { |
| mAudioPolicies.remove(mPolicyCallback.asBinder()); |
| } |
| try { |
| mPolicyCallback.notifyUnregistration(); |
| } catch (RemoteException e) { } |
| } |
| |
| boolean hasMixAffectingUsage(int usage, int excludedFlags) { |
| for (AudioMix mix : mMixes) { |
| if (mix.isAffectingUsage(usage) |
| && ((mix.getRouteFlags() & excludedFlags) != excludedFlags)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Verify all the devices in the array are served by mixes defined in this policy |
| boolean hasMixRoutedToDevices(@NonNull int[] deviceTypes, |
| @NonNull String[] deviceAddresses) { |
| for (int i = 0; i < deviceTypes.length; i++) { |
| boolean hasDevice = false; |
| for (AudioMix mix : mMixes) { |
| // this will check both that the mix has ROUTE_FLAG_RENDER and the device |
| // is reached by this mix |
| if (mix.isRoutedToDevice(deviceTypes[i], deviceAddresses[i])) { |
| hasDevice = true; |
| break; |
| } |
| } |
| if (!hasDevice) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| int addMixes(@NonNull ArrayList<AudioMix> mixes) { |
| // TODO optimize to not have to unregister the mixes already in place |
| synchronized (mMixes) { |
| AudioSystem.registerPolicyMixes(mMixes, false); |
| this.add(mixes); |
| return AudioSystem.registerPolicyMixes(mMixes, true); |
| } |
| } |
| |
| int removeMixes(@NonNull ArrayList<AudioMix> mixes) { |
| // TODO optimize to not have to unregister the mixes already in place |
| synchronized (mMixes) { |
| AudioSystem.registerPolicyMixes(mMixes, false); |
| this.remove(mixes); |
| return AudioSystem.registerPolicyMixes(mMixes, true); |
| } |
| } |
| |
| @AudioSystem.AudioSystemError int connectMixes() { |
| final long identity = Binder.clearCallingIdentity(); |
| int status = AudioSystem.registerPolicyMixes(mMixes, true); |
| Binder.restoreCallingIdentity(identity); |
| return status; |
| } |
| |
| int setUidDeviceAffinities(int uid, @NonNull int[] types, @NonNull String[] addresses) { |
| final Integer Uid = new Integer(uid); |
| int res; |
| if (mUidDeviceAffinities.remove(Uid) != null) { |
| final long identity = Binder.clearCallingIdentity(); |
| res = AudioSystem.removeUidDeviceAffinities(uid); |
| Binder.restoreCallingIdentity(identity); |
| if (res != AudioSystem.SUCCESS) { |
| Log.e(TAG, "AudioSystem. removeUidDeviceAffinities(" + uid + ") failed, " |
| + " cannot call AudioSystem.setUidDeviceAffinities"); |
| return AudioManager.ERROR; |
| } |
| } |
| final long identity = Binder.clearCallingIdentity(); |
| res = AudioSystem.setUidDeviceAffinities(uid, types, addresses); |
| Binder.restoreCallingIdentity(identity); |
| if (res == AudioSystem.SUCCESS) { |
| mUidDeviceAffinities.put(Uid, new AudioDeviceArray(types, addresses)); |
| return AudioManager.SUCCESS; |
| } |
| Log.e(TAG, "AudioSystem. setUidDeviceAffinities(" + uid + ") failed"); |
| return AudioManager.ERROR; |
| } |
| |
| int removeUidDeviceAffinities(int uid) { |
| if (mUidDeviceAffinities.remove(new Integer(uid)) != null) { |
| final long identity = Binder.clearCallingIdentity(); |
| final int res = AudioSystem.removeUidDeviceAffinities(uid); |
| Binder.restoreCallingIdentity(identity); |
| if (res == AudioSystem.SUCCESS) { |
| return AudioManager.SUCCESS; |
| } |
| } |
| Log.e(TAG, "AudioSystem. removeUidDeviceAffinities failed"); |
| return AudioManager.ERROR; |
| } |
| |
| /** @return human readable debug informations summarizing the state of the object. */ |
| public String toLogFriendlyString() { |
| String textDump = super.toLogFriendlyString(); |
| textDump += " Proxy:\n"; |
| textDump += " is focus policy= " + mIsFocusPolicy + "\n"; |
| if (mIsFocusPolicy) { |
| textDump += " focus duck behaviour= " + mFocusDuckBehavior + "\n"; |
| textDump += " is test focus policy= " + mIsTestFocusPolicy + "\n"; |
| textDump += " has focus listener= " + mHasFocusListener + "\n"; |
| } |
| textDump += " media projection= " + mProjection + "\n"; |
| return textDump; |
| } |
| }; |
| |
| //====================== |
| // Audio policy: focus |
| //====================== |
| /** */ |
| public int dispatchFocusChange(AudioFocusInfo afi, int focusChange, IAudioPolicyCallback pcb) { |
| if (afi == null) { |
| throw new IllegalArgumentException("Illegal null AudioFocusInfo"); |
| } |
| if (pcb == null) { |
| throw new IllegalArgumentException("Illegal null AudioPolicy callback"); |
| } |
| synchronized (mAudioPolicies) { |
| if (!mAudioPolicies.containsKey(pcb.asBinder())) { |
| throw new IllegalStateException("Unregistered AudioPolicy for focus dispatch"); |
| } |
| return mMediaFocusControl.dispatchFocusChange(afi, focusChange); |
| } |
| } |
| |
| public void setFocusRequestResultFromExtPolicy(AudioFocusInfo afi, int requestResult, |
| IAudioPolicyCallback pcb) { |
| if (afi == null) { |
| throw new IllegalArgumentException("Illegal null AudioFocusInfo"); |
| } |
| if (pcb == null) { |
| throw new IllegalArgumentException("Illegal null AudioPolicy callback"); |
| } |
| synchronized (mAudioPolicies) { |
| if (!mAudioPolicies.containsKey(pcb.asBinder())) { |
| throw new IllegalStateException("Unregistered AudioPolicy for external focus"); |
| } |
| mMediaFocusControl.setFocusRequestResultFromExtPolicy(afi, requestResult); |
| } |
| } |
| |
| |
| //====================== |
| // Audioserver state displatch |
| //====================== |
| private class AsdProxy implements IBinder.DeathRecipient { |
| private final IAudioServerStateDispatcher mAsd; |
| |
| AsdProxy(IAudioServerStateDispatcher asd) { |
| mAsd = asd; |
| } |
| |
| public void binderDied() { |
| synchronized (mAudioServerStateListeners) { |
| mAudioServerStateListeners.remove(mAsd.asBinder()); |
| } |
| } |
| |
| IAudioServerStateDispatcher callback() { |
| return mAsd; |
| } |
| } |
| |
| private HashMap<IBinder, AsdProxy> mAudioServerStateListeners = |
| new HashMap<IBinder, AsdProxy>(); |
| |
| private void checkMonitorAudioServerStatePermission() { |
| if (!(mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_PHONE_STATE) == |
| PackageManager.PERMISSION_GRANTED || |
| mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.MODIFY_AUDIO_ROUTING) == |
| PackageManager.PERMISSION_GRANTED)) { |
| throw new SecurityException("Not allowed to monitor audioserver state"); |
| } |
| } |
| |
| public void registerAudioServerStateDispatcher(IAudioServerStateDispatcher asd) { |
| checkMonitorAudioServerStatePermission(); |
| synchronized (mAudioServerStateListeners) { |
| if (mAudioServerStateListeners.containsKey(asd.asBinder())) { |
| Slog.w(TAG, "Cannot re-register audio server state dispatcher"); |
| return; |
| } |
| AsdProxy asdp = new AsdProxy(asd); |
| try { |
| asd.asBinder().linkToDeath(asdp, 0/*flags*/); |
| } catch (RemoteException e) { |
| |
| } |
| mAudioServerStateListeners.put(asd.asBinder(), asdp); |
| } |
| } |
| |
| public void unregisterAudioServerStateDispatcher(IAudioServerStateDispatcher asd) { |
| checkMonitorAudioServerStatePermission(); |
| synchronized (mAudioServerStateListeners) { |
| AsdProxy asdp = mAudioServerStateListeners.remove(asd.asBinder()); |
| if (asdp == null) { |
| Slog.w(TAG, "Trying to unregister unknown audioserver state dispatcher for pid " |
| + Binder.getCallingPid() + " / uid " + Binder.getCallingUid()); |
| return; |
| } else { |
| asd.asBinder().unlinkToDeath(asdp, 0/*flags*/); |
| } |
| } |
| } |
| |
| public boolean isAudioServerRunning() { |
| checkMonitorAudioServerStatePermission(); |
| return (AudioSystem.checkAudioFlinger() == AudioSystem.AUDIO_STATUS_OK); |
| } |
| |
| //====================== |
| // misc |
| //====================== |
| private final HashMap<IBinder, AudioPolicyProxy> mAudioPolicies = |
| new HashMap<IBinder, AudioPolicyProxy>(); |
| @GuardedBy("mAudioPolicies") |
| private int mAudioPolicyCounter = 0; |
| } |