AudioService.java revision 9ce379aef155e0c21b5d82d8dc713c62792e4f30
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.media; 18 19import android.app.ActivityManagerNative; 20import android.content.BroadcastReceiver; 21import android.content.ContentResolver; 22import android.content.Context; 23import android.content.Intent; 24import android.content.IntentFilter; 25import android.bluetooth.BluetoothA2dp; 26import android.bluetooth.BluetoothClass; 27import android.bluetooth.BluetoothDevice; 28import android.bluetooth.BluetoothHeadset; 29 30import android.content.pm.PackageManager; 31import android.database.ContentObserver; 32import android.media.MediaPlayer.OnCompletionListener; 33import android.media.MediaPlayer.OnErrorListener; 34import android.os.Binder; 35import android.os.Environment; 36import android.os.Handler; 37import android.os.IBinder; 38import android.os.Looper; 39import android.os.Message; 40import android.os.RemoteException; 41import android.os.ServiceManager; 42import android.provider.Settings; 43import android.provider.Settings.System; 44import android.util.Log; 45import android.view.VolumePanel; 46import android.os.SystemProperties; 47 48import com.android.internal.telephony.ITelephony; 49 50import java.io.IOException; 51import java.util.ArrayList; 52import java.util.HashMap; 53import java.util.Iterator; 54import java.util.Map; 55import java.util.Set; 56 57/** 58 * The implementation of the volume manager service. 59 * <p> 60 * This implementation focuses on delivering a responsive UI. Most methods are 61 * asynchronous to external calls. For example, the task of setting a volume 62 * will update our internal state, but in a separate thread will set the system 63 * volume and later persist to the database. Similarly, setting the ringer mode 64 * will update the state and broadcast a change and in a separate thread later 65 * persist the ringer mode. 66 * 67 * @hide 68 */ 69public class AudioService extends IAudioService.Stub { 70 71 private static final String TAG = "AudioService"; 72 73 /** How long to delay before persisting a change in volume/ringer mode. */ 74 private static final int PERSIST_DELAY = 3000; 75 76 private Context mContext; 77 private ContentResolver mContentResolver; 78 79 /** The UI */ 80 private VolumePanel mVolumePanel; 81 82 // sendMsg() flags 83 /** Used when a message should be shared across all stream types. */ 84 private static final int SHARED_MSG = -1; 85 /** If the msg is already queued, replace it with this one. */ 86 private static final int SENDMSG_REPLACE = 0; 87 /** If the msg is already queued, ignore this one and leave the old. */ 88 private static final int SENDMSG_NOOP = 1; 89 /** If the msg is already queued, queue this one and leave the old. */ 90 private static final int SENDMSG_QUEUE = 2; 91 92 // AudioHandler message.whats 93 private static final int MSG_SET_SYSTEM_VOLUME = 0; 94 private static final int MSG_PERSIST_VOLUME = 1; 95 private static final int MSG_PERSIST_RINGER_MODE = 3; 96 private static final int MSG_PERSIST_VIBRATE_SETTING = 4; 97 private static final int MSG_MEDIA_SERVER_DIED = 5; 98 private static final int MSG_MEDIA_SERVER_STARTED = 6; 99 private static final int MSG_PLAY_SOUND_EFFECT = 7; 100 101 /** @see AudioSystemThread */ 102 private AudioSystemThread mAudioSystemThread; 103 /** @see AudioHandler */ 104 private AudioHandler mAudioHandler; 105 /** @see VolumeStreamState */ 106 private VolumeStreamState[] mStreamStates; 107 private SettingsObserver mSettingsObserver; 108 109 private int mMode; 110 private Object mSettingsLock = new Object(); 111 private boolean mMediaServerOk; 112 113 /** cached value of the BT dock address to recognize undocking events */ 114 private static String sBtDockAddress = ""; 115 116 private SoundPool mSoundPool; 117 private Object mSoundEffectsLock = new Object(); 118 private static final int NUM_SOUNDPOOL_CHANNELS = 4; 119 private static final int SOUND_EFFECT_VOLUME = 1000; 120 121 /* Sound effect file names */ 122 private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; 123 private static final String[] SOUND_EFFECT_FILES = new String[] { 124 "Effect_Tick.ogg", 125 "KeypressStandard.ogg", 126 "KeypressSpacebar.ogg", 127 "KeypressDelete.ogg", 128 "KeypressReturn.ogg" 129 }; 130 131 /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to 132 * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect 133 * uses soundpool (second column) */ 134 private int[][] SOUND_EFFECT_FILES_MAP = new int[][] { 135 {0, -1}, // FX_KEY_CLICK 136 {0, -1}, // FX_FOCUS_NAVIGATION_UP 137 {0, -1}, // FX_FOCUS_NAVIGATION_DOWN 138 {0, -1}, // FX_FOCUS_NAVIGATION_LEFT 139 {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT 140 {1, -1}, // FX_KEYPRESS_STANDARD 141 {2, -1}, // FX_KEYPRESS_SPACEBAR 142 {3, -1}, // FX_FOCUS_DELETE 143 {4, -1} // FX_FOCUS_RETURN 144 }; 145 146 /** @hide Maximum volume index values for audio streams */ 147 private int[] MAX_STREAM_VOLUME = new int[] { 148 5, // STREAM_VOICE_CALL 149 7, // STREAM_SYSTEM 150 7, // STREAM_RING 151 15, // STREAM_MUSIC 152 7, // STREAM_ALARM 153 7, // STREAM_NOTIFICATION 154 15, // STREAM_BLUETOOTH_SCO 155 7, // STREAM_SYSTEM_ENFORCED 156 15, // STREAM_DTMF 157 15 // STREAM_TTS 158 }; 159 /* STREAM_VOLUME_ALIAS[] indicates for each stream if it uses the volume settings 160 * of another stream: This avoids multiplying the volume settings for hidden 161 * stream types that follow other stream behavior for volume settings 162 * NOTE: do not create loops in aliases! */ 163 private int[] STREAM_VOLUME_ALIAS = new int[] { 164 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 165 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM 166 AudioSystem.STREAM_RING, // STREAM_RING 167 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 168 AudioSystem.STREAM_ALARM, // STREAM_ALARM 169 AudioSystem.STREAM_NOTIFICATION, // STREAM_NOTIFICATION 170 AudioSystem.STREAM_BLUETOOTH_SCO, // STREAM_BLUETOOTH_SCO 171 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM_ENFORCED 172 AudioSystem.STREAM_VOICE_CALL, // STREAM_DTMF 173 AudioSystem.STREAM_MUSIC // STREAM_TTS 174 }; 175 176 private AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { 177 public void onError(int error) { 178 switch (error) { 179 case AudioSystem.AUDIO_STATUS_SERVER_DIED: 180 if (mMediaServerOk) { 181 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 182 null, 1500); 183 mMediaServerOk = false; 184 } 185 break; 186 case AudioSystem.AUDIO_STATUS_OK: 187 if (!mMediaServerOk) { 188 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 189 null, 0); 190 mMediaServerOk = true; 191 } 192 break; 193 default: 194 break; 195 } 196 } 197 }; 198 199 /** 200 * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, 201 * {@link AudioManager#RINGER_MODE_SILENT}, or 202 * {@link AudioManager#RINGER_MODE_VIBRATE}. 203 */ 204 private int mRingerMode; 205 206 /** @see System#MODE_RINGER_STREAMS_AFFECTED */ 207 private int mRingerModeAffectedStreams; 208 209 /** @see System#MUTE_STREAMS_AFFECTED */ 210 private int mMuteAffectedStreams; 211 212 /** 213 * Has multiple bits per vibrate type to indicate the type's vibrate 214 * setting. See {@link #setVibrateSetting(int, int)}. 215 * <p> 216 * NOTE: This is not the final decision of whether vibrate is on/off for the 217 * type since it depends on the ringer mode. See {@link #shouldVibrate(int)}. 218 */ 219 private int mVibrateSetting; 220 221 /** @see System#NOTIFICATIONS_USE_RING_VOLUME */ 222 private int mNotificationsUseRingVolume; 223 224 // Broadcast receiver for device connections intent broadcasts 225 private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); 226 227 // Devices currently connected 228 private HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); 229 230 // Forced device usage for communications 231 private int mForcedUseForComm; 232 233 // List of binder death handlers for setMode() client processes. 234 // The last process to have called setMode() is at the top of the list. 235 private ArrayList <SetModeDeathHandler> mSetModeDeathHandlers = new ArrayList <SetModeDeathHandler>(); 236 237 /////////////////////////////////////////////////////////////////////////// 238 // Construction 239 /////////////////////////////////////////////////////////////////////////// 240 241 /** @hide */ 242 public AudioService(Context context) { 243 mContext = context; 244 mContentResolver = context.getContentResolver(); 245 246 // Intialized volume 247 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( 248 "ro.config.vc_call_vol_steps", 249 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); 250 251 mVolumePanel = new VolumePanel(context, this); 252 mSettingsObserver = new SettingsObserver(); 253 mForcedUseForComm = AudioSystem.FORCE_NONE; 254 createAudioSystemThread(); 255 readPersistedSettings(); 256 createStreamStates(); 257 // Call setMode() to initialize mSetModeDeathHandlers 258 mMode = AudioSystem.MODE_INVALID; 259 setMode(AudioSystem.MODE_NORMAL, null); 260 mMediaServerOk = true; 261 AudioSystem.setErrorCallback(mAudioSystemCallback); 262 loadSoundEffects(); 263 264 // Register for device connection intent broadcasts. 265 IntentFilter intentFilter = 266 new IntentFilter(Intent.ACTION_HEADSET_PLUG); 267 intentFilter.addAction(BluetoothA2dp.ACTION_SINK_STATE_CHANGED); 268 intentFilter.addAction(BluetoothHeadset.ACTION_STATE_CHANGED); 269 context.registerReceiver(mReceiver, intentFilter); 270 271 } 272 273 private void createAudioSystemThread() { 274 mAudioSystemThread = new AudioSystemThread(); 275 mAudioSystemThread.start(); 276 waitForAudioHandlerCreation(); 277 } 278 279 /** Waits for the volume handler to be created by the other thread. */ 280 private void waitForAudioHandlerCreation() { 281 synchronized(this) { 282 while (mAudioHandler == null) { 283 try { 284 // Wait for mAudioHandler to be set by the other thread 285 wait(); 286 } catch (InterruptedException e) { 287 Log.e(TAG, "Interrupted while waiting on volume handler."); 288 } 289 } 290 } 291 } 292 293 private void createStreamStates() { 294 int numStreamTypes = AudioSystem.getNumStreamTypes(); 295 VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; 296 297 for (int i = 0; i < numStreamTypes; i++) { 298 streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[i]], i); 299 } 300 301 // Correct stream index values for streams with aliases 302 for (int i = 0; i < numStreamTypes; i++) { 303 if (STREAM_VOLUME_ALIAS[i] != i) { 304 int index = rescaleIndex(streams[i].mIndex, STREAM_VOLUME_ALIAS[i], i); 305 streams[i].mIndex = streams[i].getValidIndex(index); 306 setStreamVolumeIndex(i, index); 307 index = rescaleIndex(streams[i].mLastAudibleIndex, STREAM_VOLUME_ALIAS[i], i); 308 streams[i].mLastAudibleIndex = streams[i].getValidIndex(index); 309 } 310 } 311 } 312 313 private void readPersistedSettings() { 314 final ContentResolver cr = mContentResolver; 315 316 mRingerMode = System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); 317 318 mVibrateSetting = System.getInt(cr, System.VIBRATE_ON, 0); 319 320 mRingerModeAffectedStreams = Settings.System.getInt(cr, 321 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 322 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 323 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 324 325 mMuteAffectedStreams = System.getInt(cr, 326 System.MUTE_STREAMS_AFFECTED, 327 ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); 328 329 mNotificationsUseRingVolume = System.getInt(cr, 330 Settings.System.NOTIFICATIONS_USE_RING_VOLUME, 1); 331 332 if (mNotificationsUseRingVolume == 1) { 333 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_RING; 334 } 335 // Each stream will read its own persisted settings 336 337 // Broadcast the sticky intent 338 broadcastRingerMode(); 339 340 // Broadcast vibrate settings 341 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); 342 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); 343 } 344 345 private void setStreamVolumeIndex(int stream, int index) { 346 AudioSystem.setStreamVolumeIndex(stream, (index + 5)/10); 347 } 348 349 private int rescaleIndex(int index, int srcStream, int dstStream) { 350 return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); 351 } 352 353 /////////////////////////////////////////////////////////////////////////// 354 // IPC methods 355 /////////////////////////////////////////////////////////////////////////// 356 357 /** @see AudioManager#adjustVolume(int, int) */ 358 public void adjustVolume(int direction, int flags) { 359 adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); 360 } 361 362 /** @see AudioManager#adjustVolume(int, int, int) */ 363 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 364 365 int streamType = getActiveStreamType(suggestedStreamType); 366 367 // Don't play sound on other streams 368 if (streamType != AudioSystem.STREAM_RING && (flags & AudioManager.FLAG_PLAY_SOUND) != 0) { 369 flags &= ~AudioManager.FLAG_PLAY_SOUND; 370 } 371 372 adjustStreamVolume(streamType, direction, flags); 373 } 374 375 /** @see AudioManager#adjustStreamVolume(int, int, int) */ 376 public void adjustStreamVolume(int streamType, int direction, int flags) { 377 ensureValidDirection(direction); 378 ensureValidStreamType(streamType); 379 380 381 VolumeStreamState streamState = mStreamStates[STREAM_VOLUME_ALIAS[streamType]]; 382 final int oldIndex = streamState.mIndex; 383 boolean adjustVolume = true; 384 385 // If either the client forces allowing ringer modes for this adjustment, 386 // or the stream type is one that is affected by ringer modes 387 if ((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0 388 || streamType == AudioSystem.STREAM_RING) { 389 // Check if the ringer mode changes with this volume adjustment. If 390 // it does, it will handle adjusting the volume, so we won't below 391 adjustVolume = checkForRingerModeChange(oldIndex, direction); 392 } 393 394 if (adjustVolume && streamState.adjustIndex(direction)) { 395 // Post message to set system volume (it in turn will post a message 396 // to persist). Do not change volume if stream is muted. 397 if (streamState.muteCount() == 0) { 398 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, STREAM_VOLUME_ALIAS[streamType], SENDMSG_NOOP, 0, 0, 399 streamState, 0); 400 } 401 } 402 403 // UI 404 mVolumePanel.postVolumeChanged(streamType, flags); 405 // Broadcast Intent 406 sendVolumeUpdate(streamType, oldIndex, streamState.mIndex); 407 } 408 409 /** @see AudioManager#setStreamVolume(int, int, int) */ 410 public void setStreamVolume(int streamType, int index, int flags) { 411 ensureValidStreamType(streamType); 412 413 final int oldIndex = mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex; 414 415 index = rescaleIndex(index * 10, streamType, STREAM_VOLUME_ALIAS[streamType]); 416 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, false, true); 417 418 // UI, etc. 419 mVolumePanel.postVolumeChanged(streamType, flags); 420 // Broadcast Intent 421 sendVolumeUpdate(streamType, oldIndex, index); 422 } 423 424 private void sendVolumeUpdate(int streamType, int oldIndex, int index) { 425 oldIndex = (oldIndex + 5) / 10; 426 index = (index + 5) / 10; 427 428 Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); 429 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); 430 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, index); 431 intent.putExtra(AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, oldIndex); 432 433 mContext.sendBroadcast(intent); 434 } 435 436 /** 437 * Sets the stream state's index, and posts a message to set system volume. 438 * This will not call out to the UI. Assumes a valid stream type. 439 * 440 * @param streamType Type of the stream 441 * @param index Desired volume index of the stream 442 * @param force If true, set the volume even if the desired volume is same 443 * as the current volume. 444 * @param lastAudible If true, stores new index as last audible one 445 */ 446 private void setStreamVolumeInt(int streamType, int index, boolean force, boolean lastAudible) { 447 VolumeStreamState streamState = mStreamStates[streamType]; 448 if (streamState.setIndex(index, lastAudible) || force) { 449 // Post message to set system volume (it in turn will post a message 450 // to persist). Do not change volume if stream is muted. 451 if (streamState.muteCount() == 0) { 452 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, streamType, SENDMSG_NOOP, 0, 0, 453 streamState, 0); 454 } 455 } 456 } 457 458 /** @see AudioManager#setStreamSolo(int, boolean) */ 459 public void setStreamSolo(int streamType, boolean state, IBinder cb) { 460 for (int stream = 0; stream < mStreamStates.length; stream++) { 461 if (!isStreamAffectedByMute(stream) || stream == streamType) continue; 462 // Bring back last audible volume 463 mStreamStates[stream].mute(cb, state); 464 } 465 } 466 467 /** @see AudioManager#setStreamMute(int, boolean) */ 468 public void setStreamMute(int streamType, boolean state, IBinder cb) { 469 if (isStreamAffectedByMute(streamType)) { 470 mStreamStates[streamType].mute(cb, state); 471 } 472 } 473 474 /** @see AudioManager#getStreamVolume(int) */ 475 public int getStreamVolume(int streamType) { 476 ensureValidStreamType(streamType); 477 return (mStreamStates[streamType].mIndex + 5) / 10; 478 } 479 480 /** @see AudioManager#getStreamMaxVolume(int) */ 481 public int getStreamMaxVolume(int streamType) { 482 ensureValidStreamType(streamType); 483 return (mStreamStates[streamType].getMaxIndex() + 5) / 10; 484 } 485 486 /** @see AudioManager#getRingerMode() */ 487 public int getRingerMode() { 488 return mRingerMode; 489 } 490 491 /** @see AudioManager#setRingerMode(int) */ 492 public void setRingerMode(int ringerMode) { 493 synchronized (mSettingsLock) { 494 if (ringerMode != mRingerMode) { 495 setRingerModeInt(ringerMode, true); 496 // Send sticky broadcast 497 broadcastRingerMode(); 498 } 499 } 500 } 501 502 private void setRingerModeInt(int ringerMode, boolean persist) { 503 mRingerMode = ringerMode; 504 505 // Adjust volumes via posting message 506 int numStreamTypes = AudioSystem.getNumStreamTypes(); 507 if (mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 508 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 509 if (!isStreamAffectedByRingerMode(streamType)) continue; 510 // Bring back last audible volume 511 setStreamVolumeInt(streamType, mStreamStates[streamType].mLastAudibleIndex, 512 false, false); 513 } 514 } else { 515 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 516 if (isStreamAffectedByRingerMode(streamType)) { 517 // Either silent or vibrate, either way volume is 0 518 setStreamVolumeInt(streamType, 0, false, false); 519 } else { 520 // restore stream volume in the case the stream changed from affected 521 // to non affected by ringer mode. Does not arm to do it for streams that 522 // are not affected as well. 523 setStreamVolumeInt(streamType, mStreamStates[streamType].mLastAudibleIndex, 524 false, false); 525 } 526 } 527 } 528 529 // Post a persist ringer mode msg 530 if (persist) { 531 sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, SHARED_MSG, 532 SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); 533 } 534 } 535 536 /** @see AudioManager#shouldVibrate(int) */ 537 public boolean shouldVibrate(int vibrateType) { 538 539 switch (getVibrateSetting(vibrateType)) { 540 541 case AudioManager.VIBRATE_SETTING_ON: 542 return mRingerMode != AudioManager.RINGER_MODE_SILENT; 543 544 case AudioManager.VIBRATE_SETTING_ONLY_SILENT: 545 return mRingerMode == AudioManager.RINGER_MODE_VIBRATE; 546 547 case AudioManager.VIBRATE_SETTING_OFF: 548 // Phone ringer should always vibrate in vibrate mode 549 if (vibrateType == AudioManager.VIBRATE_TYPE_RINGER) { 550 return mRingerMode == AudioManager.RINGER_MODE_VIBRATE; 551 } 552 553 default: 554 return false; 555 } 556 } 557 558 /** @see AudioManager#getVibrateSetting(int) */ 559 public int getVibrateSetting(int vibrateType) { 560 return (mVibrateSetting >> (vibrateType * 2)) & 3; 561 } 562 563 /** @see AudioManager#setVibrateSetting(int, int) */ 564 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 565 566 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); 567 568 // Broadcast change 569 broadcastVibrateSetting(vibrateType); 570 571 // Post message to set ringer mode (it in turn will post a message 572 // to persist) 573 sendMsg(mAudioHandler, MSG_PERSIST_VIBRATE_SETTING, SHARED_MSG, SENDMSG_NOOP, 0, 0, 574 null, 0); 575 } 576 577 /** 578 * @see #setVibrateSetting(int, int) 579 */ 580 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 581 int vibrateSetting) { 582 583 // First clear the existing setting. Each vibrate type has two bits in 584 // the value. Note '3' is '11' in binary. 585 existingValue &= ~(3 << (vibrateType * 2)); 586 587 // Set into the old value 588 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 589 590 return existingValue; 591 } 592 593 private class SetModeDeathHandler implements IBinder.DeathRecipient { 594 private IBinder mCb; // To be notified of client's death 595 private int mMode = AudioSystem.MODE_NORMAL; // Current mode set by this client 596 597 SetModeDeathHandler(IBinder cb) { 598 mCb = cb; 599 } 600 601 public void binderDied() { 602 synchronized(mSetModeDeathHandlers) { 603 Log.w(TAG, "setMode() client died"); 604 int index = mSetModeDeathHandlers.indexOf(this); 605 if (index < 0) { 606 Log.w(TAG, "unregistered setMode() client died"); 607 } else { 608 mSetModeDeathHandlers.remove(this); 609 // If dead client was a the top of client list, 610 // apply next mode in the stack 611 if (index == 0) { 612 // mSetModeDeathHandlers is never empty as the initial entry 613 // created when AudioService starts is never removed 614 SetModeDeathHandler hdlr = mSetModeDeathHandlers.get(0); 615 int mode = hdlr.getMode(); 616 if (AudioService.this.mMode != mode) { 617 if (AudioSystem.setPhoneState(mode) == AudioSystem.AUDIO_STATUS_OK) { 618 AudioService.this.mMode = mode; 619 } 620 } 621 } 622 } 623 } 624 } 625 626 public void setMode(int mode) { 627 mMode = mode; 628 } 629 630 public int getMode() { 631 return mMode; 632 } 633 634 public IBinder getBinder() { 635 return mCb; 636 } 637 } 638 639 /** @see AudioManager#setMode(int) */ 640 public void setMode(int mode, IBinder cb) { 641 if (!checkAudioSettingsPermission("setMode()")) { 642 return; 643 } 644 645 if (mode < AudioSystem.MODE_CURRENT || mode > AudioSystem.MODE_IN_CALL) { 646 return; 647 } 648 649 synchronized (mSettingsLock) { 650 if (mode == AudioSystem.MODE_CURRENT) { 651 mode = mMode; 652 } 653 if (mode != mMode) { 654 if (AudioSystem.setPhoneState(mode) == AudioSystem.AUDIO_STATUS_OK) { 655 mMode = mode; 656 657 synchronized(mSetModeDeathHandlers) { 658 SetModeDeathHandler hdlr = null; 659 Iterator iter = mSetModeDeathHandlers.iterator(); 660 while (iter.hasNext()) { 661 SetModeDeathHandler h = (SetModeDeathHandler)iter.next(); 662 if (h.getBinder() == cb) { 663 hdlr = h; 664 // Remove from client list so that it is re-inserted at top of list 665 iter.remove(); 666 break; 667 } 668 } 669 if (hdlr == null) { 670 hdlr = new SetModeDeathHandler(cb); 671 // cb is null when setMode() is called by AudioService constructor 672 if (cb != null) { 673 // Register for client death notification 674 try { 675 cb.linkToDeath(hdlr, 0); 676 } catch (RemoteException e) { 677 // Client has died! 678 Log.w(TAG, "setMode() could not link to "+cb+" binder death"); 679 } 680 } 681 } 682 // Last client to call setMode() is always at top of client list 683 // as required by SetModeDeathHandler.binderDied() 684 mSetModeDeathHandlers.add(0, hdlr); 685 hdlr.setMode(mode); 686 } 687 } 688 } 689 int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); 690 int index = mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex; 691 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, true, true); 692 } 693 } 694 695 /** @see AudioManager#getMode() */ 696 public int getMode() { 697 return mMode; 698 } 699 700 /** @see AudioManager#playSoundEffect(int) */ 701 public void playSoundEffect(int effectType) { 702 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, 703 effectType, -1, null, 0); 704 } 705 706 /** @see AudioManager#playSoundEffect(int, float) */ 707 public void playSoundEffectVolume(int effectType, float volume) { 708 loadSoundEffects(); 709 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, 710 effectType, (int) (volume * 1000), null, 0); 711 } 712 713 /** 714 * Loads samples into the soundpool. 715 * This method must be called at when sound effects are enabled 716 */ 717 public boolean loadSoundEffects() { 718 synchronized (mSoundEffectsLock) { 719 if (mSoundPool != null) { 720 return true; 721 } 722 mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); 723 if (mSoundPool == null) { 724 return false; 725 } 726 /* 727 * poolId table: The value -1 in this table indicates that corresponding 728 * file (same index in SOUND_EFFECT_FILES[] has not been loaded. 729 * Once loaded, the value in poolId is the sample ID and the same 730 * sample can be reused for another effect using the same file. 731 */ 732 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 733 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 734 poolId[fileIdx] = -1; 735 } 736 /* 737 * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. 738 * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: 739 * this indicates we have a valid sample loaded for this effect. 740 */ 741 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 742 // Do not load sample if this effect uses the MediaPlayer 743 if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { 744 continue; 745 } 746 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { 747 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; 748 int sampleId = mSoundPool.load(filePath, 0); 749 SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; 750 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; 751 if (sampleId <= 0) { 752 Log.w(TAG, "Soundpool could not load file: "+filePath); 753 } 754 } else { 755 SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; 756 } 757 } 758 } 759 760 return true; 761 } 762 763 /** 764 * Unloads samples from the sound pool. 765 * This method can be called to free some memory when 766 * sound effects are disabled. 767 */ 768 public void unloadSoundEffects() { 769 synchronized (mSoundEffectsLock) { 770 if (mSoundPool == null) { 771 return; 772 } 773 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 774 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 775 poolId[fileIdx] = 0; 776 } 777 778 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 779 if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { 780 continue; 781 } 782 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { 783 mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); 784 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 785 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; 786 } 787 } 788 mSoundPool = null; 789 } 790 } 791 792 /** @see AudioManager#reloadAudioSettings() */ 793 public void reloadAudioSettings() { 794 // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings 795 readPersistedSettings(); 796 797 // restore volume settings 798 int numStreamTypes = AudioSystem.getNumStreamTypes(); 799 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 800 VolumeStreamState streamState = mStreamStates[streamType]; 801 802 String settingName = System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[streamType]]; 803 String lastAudibleSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 804 int index = Settings.System.getInt(mContentResolver, 805 settingName, 806 AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 807 if (STREAM_VOLUME_ALIAS[streamType] != streamType) { 808 index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); 809 } else { 810 index *= 10; 811 } 812 streamState.mIndex = streamState.getValidIndex(index); 813 814 index = (index + 5) / 10; 815 index = Settings.System.getInt(mContentResolver, 816 lastAudibleSettingName, 817 (index > 0) ? index : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 818 if (STREAM_VOLUME_ALIAS[streamType] != streamType) { 819 index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); 820 } else { 821 index *= 10; 822 } 823 streamState.mLastAudibleIndex = streamState.getValidIndex(index); 824 825 // unmute stream that whas muted but is not affect by mute anymore 826 if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { 827 int size = streamState.mDeathHandlers.size(); 828 for (int i = 0; i < size; i++) { 829 streamState.mDeathHandlers.get(i).mMuteCount = 1; 830 streamState.mDeathHandlers.get(i).mute(false); 831 } 832 } 833 // apply stream volume 834 if (streamState.muteCount() == 0) { 835 setStreamVolumeIndex(streamType, streamState.mIndex); 836 } 837 } 838 839 // apply new ringer mode 840 setRingerModeInt(getRingerMode(), false); 841 } 842 843 /** @see AudioManager#setSpeakerphoneOn() */ 844 public void setSpeakerphoneOn(boolean on){ 845 if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { 846 return; 847 } 848 if (on) { 849 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_SPEAKER); 850 mForcedUseForComm = AudioSystem.FORCE_SPEAKER; 851 } else { 852 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_NONE); 853 mForcedUseForComm = AudioSystem.FORCE_NONE; 854 } 855 } 856 857 /** @see AudioManager#isSpeakerphoneOn() */ 858 public boolean isSpeakerphoneOn() { 859 if (mForcedUseForComm == AudioSystem.FORCE_SPEAKER) { 860 return true; 861 } else { 862 return false; 863 } 864 } 865 866 /** @see AudioManager#setBluetoothScoOn() */ 867 public void setBluetoothScoOn(boolean on){ 868 if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { 869 return; 870 } 871 if (on) { 872 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_BT_SCO); 873 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, AudioSystem.FORCE_BT_SCO); 874 mForcedUseForComm = AudioSystem.FORCE_BT_SCO; 875 } else { 876 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_NONE); 877 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, AudioSystem.FORCE_NONE); 878 mForcedUseForComm = AudioSystem.FORCE_NONE; 879 } 880 } 881 882 /** @see AudioManager#isBluetoothScoOn() */ 883 public boolean isBluetoothScoOn() { 884 if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) { 885 return true; 886 } else { 887 return false; 888 } 889 } 890 891 /////////////////////////////////////////////////////////////////////////// 892 // Internal methods 893 /////////////////////////////////////////////////////////////////////////// 894 895 /** 896 * Checks if the adjustment should change ringer mode instead of just 897 * adjusting volume. If so, this will set the proper ringer mode and volume 898 * indices on the stream states. 899 */ 900 private boolean checkForRingerModeChange(int oldIndex, int direction) { 901 boolean adjustVolumeIndex = true; 902 int newRingerMode = mRingerMode; 903 904 if (mRingerMode == AudioManager.RINGER_MODE_NORMAL && (oldIndex + 5) / 10 == 1 905 && direction == AudioManager.ADJUST_LOWER) { 906 newRingerMode = AudioManager.RINGER_MODE_VIBRATE; 907 } else if (mRingerMode == AudioManager.RINGER_MODE_VIBRATE) { 908 if (direction == AudioManager.ADJUST_RAISE) { 909 newRingerMode = AudioManager.RINGER_MODE_NORMAL; 910 } else if (direction == AudioManager.ADJUST_LOWER) { 911 newRingerMode = AudioManager.RINGER_MODE_SILENT; 912 } 913 } else if (direction == AudioManager.ADJUST_RAISE 914 && mRingerMode == AudioManager.RINGER_MODE_SILENT) { 915 newRingerMode = AudioManager.RINGER_MODE_VIBRATE; 916 } 917 918 if (newRingerMode != mRingerMode) { 919 setRingerMode(newRingerMode); 920 921 /* 922 * If we are changing ringer modes, do not increment/decrement the 923 * volume index. Instead, the handler for the message above will 924 * take care of changing the index. 925 */ 926 adjustVolumeIndex = false; 927 } 928 929 return adjustVolumeIndex; 930 } 931 932 public boolean isStreamAffectedByRingerMode(int streamType) { 933 return (mRingerModeAffectedStreams & (1 << streamType)) != 0; 934 } 935 936 public boolean isStreamAffectedByMute(int streamType) { 937 return (mMuteAffectedStreams & (1 << streamType)) != 0; 938 } 939 940 private void ensureValidDirection(int direction) { 941 if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { 942 throw new IllegalArgumentException("Bad direction " + direction); 943 } 944 } 945 946 private void ensureValidStreamType(int streamType) { 947 if (streamType < 0 || streamType >= mStreamStates.length) { 948 throw new IllegalArgumentException("Bad stream type " + streamType); 949 } 950 } 951 952 private int getActiveStreamType(int suggestedStreamType) { 953 boolean isOffhook = false; 954 try { 955 ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 956 if (phone != null) isOffhook = phone.isOffhook(); 957 } catch (RemoteException e) { 958 Log.w(TAG, "Couldn't connect to phone service", e); 959 } 960 961 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) == AudioSystem.FORCE_BT_SCO) { 962 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 963 return AudioSystem.STREAM_BLUETOOTH_SCO; 964 } else if (isOffhook || AudioSystem.isStreamActive(AudioSystem.STREAM_VOICE_CALL)) { 965 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 966 return AudioSystem.STREAM_VOICE_CALL; 967 } else if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC)) { 968 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC..."); 969 return AudioSystem.STREAM_MUSIC; 970 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 971 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING..."); 972 return AudioSystem.STREAM_RING; 973 } else { 974 // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); 975 return suggestedStreamType; 976 } 977 } 978 979 private void broadcastRingerMode() { 980 // Send sticky broadcast 981 Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); 982 broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, mRingerMode); 983 broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT 984 | Intent.FLAG_RECEIVER_REPLACE_PENDING); 985 long origCallerIdentityToken = Binder.clearCallingIdentity(); 986 mContext.sendStickyBroadcast(broadcast); 987 Binder.restoreCallingIdentity(origCallerIdentityToken); 988 } 989 990 private void broadcastVibrateSetting(int vibrateType) { 991 // Send broadcast 992 if (ActivityManagerNative.isSystemReady()) { 993 Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); 994 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); 995 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); 996 mContext.sendBroadcast(broadcast); 997 } 998 } 999 1000 // Message helper methods 1001 private static int getMsg(int baseMsg, int streamType) { 1002 return (baseMsg & 0xffff) | streamType << 16; 1003 } 1004 1005 private static int getMsgBase(int msg) { 1006 return msg & 0xffff; 1007 } 1008 1009 private static void sendMsg(Handler handler, int baseMsg, int streamType, 1010 int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { 1011 int msg = (streamType == SHARED_MSG) ? baseMsg : getMsg(baseMsg, streamType); 1012 1013 if (existingMsgPolicy == SENDMSG_REPLACE) { 1014 handler.removeMessages(msg); 1015 } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { 1016 return; 1017 } 1018 1019 handler 1020 .sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); 1021 } 1022 1023 boolean checkAudioSettingsPermission(String method) { 1024 if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") 1025 == PackageManager.PERMISSION_GRANTED) { 1026 return true; 1027 } 1028 String msg = "Audio Settings Permission Denial: " + method + " from pid=" 1029 + Binder.getCallingPid() 1030 + ", uid=" + Binder.getCallingUid(); 1031 Log.w(TAG, msg); 1032 return false; 1033 } 1034 1035 1036 /////////////////////////////////////////////////////////////////////////// 1037 // Inner classes 1038 /////////////////////////////////////////////////////////////////////////// 1039 1040 public class VolumeStreamState { 1041 private final int mStreamType; 1042 1043 private String mVolumeIndexSettingName; 1044 private String mLastAudibleVolumeIndexSettingName; 1045 private int mIndexMax; 1046 private int mIndex; 1047 private int mLastAudibleIndex; 1048 private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo requests client death 1049 1050 private VolumeStreamState(String settingName, int streamType) { 1051 1052 setVolumeIndexSettingName(settingName); 1053 1054 mStreamType = streamType; 1055 1056 final ContentResolver cr = mContentResolver; 1057 mIndexMax = MAX_STREAM_VOLUME[streamType]; 1058 mIndex = Settings.System.getInt(cr, 1059 mVolumeIndexSettingName, 1060 AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 1061 mLastAudibleIndex = Settings.System.getInt(cr, 1062 mLastAudibleVolumeIndexSettingName, 1063 (mIndex > 0) ? mIndex : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 1064 AudioSystem.initStreamVolume(streamType, 0, mIndexMax); 1065 mIndexMax *= 10; 1066 mIndex = getValidIndex(10 * mIndex); 1067 mLastAudibleIndex = getValidIndex(10 * mLastAudibleIndex); 1068 setStreamVolumeIndex(streamType, mIndex); 1069 mDeathHandlers = new ArrayList<VolumeDeathHandler>(); 1070 } 1071 1072 public void setVolumeIndexSettingName(String settingName) { 1073 mVolumeIndexSettingName = settingName; 1074 mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 1075 } 1076 1077 public boolean adjustIndex(int deltaIndex) { 1078 return setIndex(mIndex + deltaIndex * 10, true); 1079 } 1080 1081 public boolean setIndex(int index, boolean lastAudible) { 1082 int oldIndex = mIndex; 1083 mIndex = getValidIndex(index); 1084 1085 if (oldIndex != mIndex) { 1086 if (lastAudible) { 1087 mLastAudibleIndex = mIndex; 1088 } 1089 // Apply change to all streams using this one as alias 1090 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1091 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1092 if (streamType != mStreamType && STREAM_VOLUME_ALIAS[streamType] == mStreamType) { 1093 mStreamStates[streamType].setIndex(rescaleIndex(mIndex, mStreamType, streamType), lastAudible); 1094 } 1095 } 1096 return true; 1097 } else { 1098 return false; 1099 } 1100 } 1101 1102 public int getMaxIndex() { 1103 return mIndexMax; 1104 } 1105 1106 public void mute(IBinder cb, boolean state) { 1107 VolumeDeathHandler handler = getDeathHandler(cb, state); 1108 if (handler == null) { 1109 Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); 1110 return; 1111 } 1112 handler.mute(state); 1113 } 1114 1115 private int getValidIndex(int index) { 1116 if (index < 0) { 1117 return 0; 1118 } else if (index > mIndexMax) { 1119 return mIndexMax; 1120 } 1121 1122 return index; 1123 } 1124 1125 private class VolumeDeathHandler implements IBinder.DeathRecipient { 1126 private IBinder mICallback; // To be notified of client's death 1127 private int mMuteCount; // Number of active mutes for this client 1128 1129 VolumeDeathHandler(IBinder cb) { 1130 mICallback = cb; 1131 } 1132 1133 public void mute(boolean state) { 1134 synchronized(mDeathHandlers) { 1135 if (state) { 1136 if (mMuteCount == 0) { 1137 // Register for client death notification 1138 try { 1139 mICallback.linkToDeath(this, 0); 1140 mDeathHandlers.add(this); 1141 // If the stream is not yet muted by any client, set lvel to 0 1142 if (muteCount() == 0) { 1143 setIndex(0, false); 1144 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, 1145 VolumeStreamState.this, 0); 1146 } 1147 } catch (RemoteException e) { 1148 // Client has died! 1149 binderDied(); 1150 mDeathHandlers.notify(); 1151 return; 1152 } 1153 } else { 1154 Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); 1155 } 1156 mMuteCount++; 1157 } else { 1158 if (mMuteCount == 0) { 1159 Log.e(TAG, "unexpected unmute for stream: "+mStreamType); 1160 } else { 1161 mMuteCount--; 1162 if (mMuteCount == 0) { 1163 // Unregistr from client death notification 1164 mDeathHandlers.remove(this); 1165 mICallback.unlinkToDeath(this, 0); 1166 if (muteCount() == 0) { 1167 // If the stream is not mut any more, restore it's volume if 1168 // ringer mode allows it 1169 if (!isStreamAffectedByRingerMode(mStreamType) || mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 1170 setIndex(mLastAudibleIndex, false); 1171 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, 1172 VolumeStreamState.this, 0); 1173 } 1174 } 1175 } 1176 } 1177 } 1178 mDeathHandlers.notify(); 1179 } 1180 } 1181 1182 public void binderDied() { 1183 Log.w(TAG, "Volume service client died for stream: "+mStreamType); 1184 if (mMuteCount != 0) { 1185 // Reset all active mute requests from this client. 1186 mMuteCount = 1; 1187 mute(false); 1188 } 1189 } 1190 } 1191 1192 private int muteCount() { 1193 int count = 0; 1194 int size = mDeathHandlers.size(); 1195 for (int i = 0; i < size; i++) { 1196 count += mDeathHandlers.get(i).mMuteCount; 1197 } 1198 return count; 1199 } 1200 1201 private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { 1202 synchronized(mDeathHandlers) { 1203 VolumeDeathHandler handler; 1204 int size = mDeathHandlers.size(); 1205 for (int i = 0; i < size; i++) { 1206 handler = mDeathHandlers.get(i); 1207 if (cb.equals(handler.mICallback)) { 1208 return handler; 1209 } 1210 } 1211 // If this is the first mute request for this client, create a new 1212 // client death handler. Otherwise, it is an out of sequence unmute request. 1213 if (state) { 1214 handler = new VolumeDeathHandler(cb); 1215 } else { 1216 Log.w(TAG, "stream was not muted by this client"); 1217 handler = null; 1218 } 1219 return handler; 1220 } 1221 } 1222 } 1223 1224 /** Thread that handles native AudioSystem control. */ 1225 private class AudioSystemThread extends Thread { 1226 AudioSystemThread() { 1227 super("AudioService"); 1228 } 1229 1230 @Override 1231 public void run() { 1232 // Set this thread up so the handler will work on it 1233 Looper.prepare(); 1234 1235 synchronized(AudioService.this) { 1236 mAudioHandler = new AudioHandler(); 1237 1238 // Notify that the handler has been created 1239 AudioService.this.notify(); 1240 } 1241 1242 // Listen for volume change requests that are set by VolumePanel 1243 Looper.loop(); 1244 } 1245 } 1246 1247 /** Handles internal volume messages in separate volume thread. */ 1248 private class AudioHandler extends Handler { 1249 1250 private void setSystemVolume(VolumeStreamState streamState) { 1251 1252 // Adjust volume 1253 setStreamVolumeIndex(streamState.mStreamType, streamState.mIndex); 1254 1255 // Apply change to all streams using this one as alias 1256 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1257 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1258 if (streamType != streamState.mStreamType && 1259 STREAM_VOLUME_ALIAS[streamType] == streamState.mStreamType) { 1260 setStreamVolumeIndex(streamType, mStreamStates[streamType].mIndex); 1261 } 1262 } 1263 1264 // Post a persist volume msg 1265 sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, streamState.mStreamType, 1266 SENDMSG_REPLACE, 0, 0, streamState, PERSIST_DELAY); 1267 } 1268 1269 private void persistVolume(VolumeStreamState streamState) { 1270 System.putInt(mContentResolver, streamState.mVolumeIndexSettingName, 1271 (streamState.mIndex + 5)/ 10); 1272 System.putInt(mContentResolver, streamState.mLastAudibleVolumeIndexSettingName, 1273 (streamState.mLastAudibleIndex + 5) / 10); 1274 } 1275 1276 private void persistRingerMode() { 1277 System.putInt(mContentResolver, System.MODE_RINGER, mRingerMode); 1278 } 1279 1280 private void persistVibrateSetting() { 1281 System.putInt(mContentResolver, System.VIBRATE_ON, mVibrateSetting); 1282 } 1283 1284 private void playSoundEffect(int effectType, int volume) { 1285 synchronized (mSoundEffectsLock) { 1286 if (mSoundPool == null) { 1287 return; 1288 } 1289 float volFloat; 1290 // use STREAM_MUSIC volume attenuated by 3 dB if volume is not specified by caller 1291 if (volume < 0) { 1292 // Same linear to log conversion as in native AudioSystem::linearToLog() (AudioSystem.cpp) 1293 float dBPerStep = (float)((0.5 * 100) / MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]); 1294 int musicVolIndex = (mStreamStates[AudioSystem.STREAM_MUSIC].mIndex + 5) / 10; 1295 float musicVoldB = dBPerStep * (musicVolIndex - MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]); 1296 volFloat = (float)Math.pow(10, (musicVoldB - 3)/20); 1297 } else { 1298 volFloat = (float) volume / 1000.0f; 1299 } 1300 1301 if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { 1302 mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); 1303 } else { 1304 MediaPlayer mediaPlayer = new MediaPlayer(); 1305 if (mediaPlayer != null) { 1306 try { 1307 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; 1308 mediaPlayer.setDataSource(filePath); 1309 mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); 1310 mediaPlayer.prepare(); 1311 mediaPlayer.setVolume(volFloat, volFloat); 1312 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { 1313 public void onCompletion(MediaPlayer mp) { 1314 cleanupPlayer(mp); 1315 } 1316 }); 1317 mediaPlayer.setOnErrorListener(new OnErrorListener() { 1318 public boolean onError(MediaPlayer mp, int what, int extra) { 1319 cleanupPlayer(mp); 1320 return true; 1321 } 1322 }); 1323 mediaPlayer.start(); 1324 } catch (IOException ex) { 1325 Log.w(TAG, "MediaPlayer IOException: "+ex); 1326 } catch (IllegalArgumentException ex) { 1327 Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); 1328 } catch (IllegalStateException ex) { 1329 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 1330 } 1331 } 1332 } 1333 } 1334 } 1335 1336 private void cleanupPlayer(MediaPlayer mp) { 1337 if (mp != null) { 1338 try { 1339 mp.stop(); 1340 mp.release(); 1341 } catch (IllegalStateException ex) { 1342 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 1343 } 1344 } 1345 } 1346 1347 @Override 1348 public void handleMessage(Message msg) { 1349 int baseMsgWhat = getMsgBase(msg.what); 1350 1351 switch (baseMsgWhat) { 1352 1353 case MSG_SET_SYSTEM_VOLUME: 1354 setSystemVolume((VolumeStreamState) msg.obj); 1355 break; 1356 1357 case MSG_PERSIST_VOLUME: 1358 persistVolume((VolumeStreamState) msg.obj); 1359 break; 1360 1361 case MSG_PERSIST_RINGER_MODE: 1362 persistRingerMode(); 1363 break; 1364 1365 case MSG_PERSIST_VIBRATE_SETTING: 1366 persistVibrateSetting(); 1367 break; 1368 1369 case MSG_MEDIA_SERVER_DIED: 1370 // Force creation of new IAudioflinger interface 1371 if (!mMediaServerOk) { 1372 Log.e(TAG, "Media server died."); 1373 AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC); 1374 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 1375 null, 500); 1376 } 1377 break; 1378 1379 case MSG_MEDIA_SERVER_STARTED: 1380 Log.e(TAG, "Media server started."); 1381 // Restore device connection states 1382 Set set = mConnectedDevices.entrySet(); 1383 Iterator i = set.iterator(); 1384 while(i.hasNext()){ 1385 Map.Entry device = (Map.Entry)i.next(); 1386 AudioSystem.setDeviceConnectionState(((Integer)device.getKey()).intValue(), 1387 AudioSystem.DEVICE_STATE_AVAILABLE, 1388 (String)device.getValue()); 1389 } 1390 1391 // Restore call state 1392 AudioSystem.setPhoneState(mMode); 1393 1394 // Restore forced usage for communcations and record 1395 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); 1396 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); 1397 1398 // Restore stream volumes 1399 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1400 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1401 int index; 1402 VolumeStreamState streamState = mStreamStates[streamType]; 1403 AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); 1404 if (streamState.muteCount() == 0) { 1405 index = streamState.mIndex; 1406 } else { 1407 index = 0; 1408 } 1409 setStreamVolumeIndex(streamType, index); 1410 } 1411 1412 // Restore ringer mode 1413 setRingerModeInt(getRingerMode(), false); 1414 break; 1415 1416 case MSG_PLAY_SOUND_EFFECT: 1417 playSoundEffect(msg.arg1, msg.arg2); 1418 break; 1419 } 1420 } 1421 } 1422 1423 private class SettingsObserver extends ContentObserver { 1424 1425 SettingsObserver() { 1426 super(new Handler()); 1427 mContentResolver.registerContentObserver(Settings.System.getUriFor( 1428 Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); 1429 mContentResolver.registerContentObserver(Settings.System.getUriFor( 1430 Settings.System.NOTIFICATIONS_USE_RING_VOLUME), false, this); 1431 } 1432 1433 @Override 1434 public void onChange(boolean selfChange) { 1435 super.onChange(selfChange); 1436 synchronized (mSettingsLock) { 1437 int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, 1438 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 1439 0); 1440 if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { 1441 /* 1442 * Ensure all stream types that should be affected by ringer mode 1443 * are in the proper state. 1444 */ 1445 mRingerModeAffectedStreams = ringerModeAffectedStreams; 1446 setRingerModeInt(getRingerMode(), false); 1447 } 1448 1449 int notificationsUseRingVolume = Settings.System.getInt(mContentResolver, 1450 Settings.System.NOTIFICATIONS_USE_RING_VOLUME, 1451 1); 1452 if (notificationsUseRingVolume != mNotificationsUseRingVolume) { 1453 mNotificationsUseRingVolume = notificationsUseRingVolume; 1454 if (mNotificationsUseRingVolume == 1) { 1455 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_RING; 1456 mStreamStates[AudioSystem.STREAM_NOTIFICATION].setVolumeIndexSettingName( 1457 System.VOLUME_SETTINGS[AudioSystem.STREAM_RING]); 1458 } else { 1459 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_NOTIFICATION; 1460 mStreamStates[AudioSystem.STREAM_NOTIFICATION].setVolumeIndexSettingName( 1461 System.VOLUME_SETTINGS[AudioSystem.STREAM_NOTIFICATION]); 1462 // Persist notification volume volume as it was not persisted while aliased to ring volume 1463 // and persist with no delay as there might be registered observers of the persisted 1464 // notification volume. 1465 sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, AudioSystem.STREAM_NOTIFICATION, 1466 SENDMSG_REPLACE, 0, 0, mStreamStates[AudioSystem.STREAM_NOTIFICATION], 0); 1467 } 1468 } 1469 } 1470 } 1471 } 1472 1473 /** 1474 * Receiver for misc intent broadcasts the Phone app cares about. 1475 */ 1476 private class AudioServiceBroadcastReceiver extends BroadcastReceiver { 1477 @Override 1478 public void onReceive(Context context, Intent intent) { 1479 String action = intent.getAction(); 1480 1481 if (action.equals(BluetoothA2dp.ACTION_SINK_STATE_CHANGED)) { 1482 int state = intent.getIntExtra(BluetoothA2dp.EXTRA_SINK_STATE, 1483 BluetoothA2dp.STATE_DISCONNECTED); 1484 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 1485 String address = btDevice.getAddress(); 1486 boolean isConnected = (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && 1487 ((String)mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)).equals(address)); 1488 1489 if (isConnected && 1490 state != BluetoothA2dp.STATE_CONNECTED && state != BluetoothA2dp.STATE_PLAYING) { 1491 if (address.equals(sBtDockAddress)) { 1492 Log.v(TAG, "Recognized undocking from BT dock"); 1493 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, AudioSystem.FORCE_NONE); 1494 } 1495 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 1496 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1497 address); 1498 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 1499 } else if (!isConnected && 1500 (state == BluetoothA2dp.STATE_CONNECTED || 1501 state == BluetoothA2dp.STATE_PLAYING)) { 1502 if (btDevice.isBluetoothDock()) { 1503 Log.v(TAG, "Recognized connection to BT dock"); 1504 sBtDockAddress = address; 1505 Intent i = context.registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT)); 1506 if (i != null) { 1507 int dockState = i.getIntExtra(Intent.EXTRA_DOCK_STATE, Intent.EXTRA_DOCK_STATE_UNDOCKED); 1508 int config; 1509 switch (dockState) { 1510 case Intent.EXTRA_DOCK_STATE_DESK: 1511 config = AudioSystem.FORCE_BT_DESK_DOCK; 1512 break; 1513 case Intent.EXTRA_DOCK_STATE_CAR: 1514 config = AudioSystem.FORCE_BT_CAR_DOCK; 1515 break; 1516 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 1517 default: 1518 config = AudioSystem.FORCE_NONE; 1519 } 1520 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); 1521 } 1522 } 1523 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 1524 AudioSystem.DEVICE_STATE_AVAILABLE, 1525 address); 1526 // Reset A2DP suspend state each time a new sink is connected 1527 AudioSystem.setParameters("A2dpSuspended=false"); 1528 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), 1529 address); 1530 } 1531 } else if (action.equals(BluetoothHeadset.ACTION_STATE_CHANGED)) { 1532 int state = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, 1533 BluetoothHeadset.STATE_ERROR); 1534 int device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 1535 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 1536 String address = null; 1537 if (btDevice != null) { 1538 address = btDevice.getAddress(); 1539 BluetoothClass btClass = btDevice.getBluetoothClass(); 1540 if (btClass != null) { 1541 switch (btClass.getDeviceClass()) { 1542 case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: 1543 case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: 1544 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 1545 break; 1546 case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: 1547 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 1548 break; 1549 } 1550 } 1551 } 1552 1553 boolean isConnected = (mConnectedDevices.containsKey(device) && 1554 ((String)mConnectedDevices.get(device)).equals(address)); 1555 1556 if (isConnected && state != BluetoothHeadset.STATE_CONNECTED) { 1557 AudioSystem.setDeviceConnectionState(device, 1558 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1559 address); 1560 mConnectedDevices.remove(device); 1561 } else if (!isConnected && state == BluetoothHeadset.STATE_CONNECTED) { 1562 AudioSystem.setDeviceConnectionState(device, 1563 AudioSystem.DEVICE_STATE_AVAILABLE, 1564 address); 1565 mConnectedDevices.put(new Integer(device), address); 1566 } 1567 } else if (action.equals(Intent.ACTION_HEADSET_PLUG)) { 1568 int state = intent.getIntExtra("state", 0); 1569 int microphone = intent.getIntExtra("microphone", 0); 1570 1571 if (microphone != 0) { 1572 boolean isConnected = mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 1573 if (state == 0 && isConnected) { 1574 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 1575 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1576 ""); 1577 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 1578 } else if (state == 1 && !isConnected) { 1579 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 1580 AudioSystem.DEVICE_STATE_AVAILABLE, 1581 ""); 1582 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADSET), ""); 1583 } 1584 } else { 1585 boolean isConnected = mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 1586 if (state == 0 && isConnected) { 1587 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 1588 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1589 ""); 1590 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 1591 } else if (state == 1 && !isConnected) { 1592 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 1593 AudioSystem.DEVICE_STATE_AVAILABLE, 1594 ""); 1595 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE), ""); 1596 } 1597 } 1598 } 1599 } 1600 } 1601} 1602