AudioService.java revision 663ec308801a34de82db9ab993f0e906da690f89
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/** 59 * The implementation of the volume manager service. 60 * <p> 61 * This implementation focuses on delivering a responsive UI. Most methods are 62 * asynchronous to external calls. For example, the task of setting a volume 63 * will update our internal state, but in a separate thread will set the system 64 * volume and later persist to the database. Similarly, setting the ringer mode 65 * will update the state and broadcast a change and in a separate thread later 66 * persist the ringer mode. 67 * 68 * @hide 69 */ 70public class AudioService extends IAudioService.Stub { 71 72 private static final String TAG = "AudioService"; 73 74 /** How long to delay before persisting a change in volume/ringer mode. */ 75 private static final int PERSIST_DELAY = 3000; 76 77 private Context mContext; 78 private ContentResolver mContentResolver; 79 80 /** The UI */ 81 private VolumePanel mVolumePanel; 82 83 // sendMsg() flags 84 /** Used when a message should be shared across all stream types. */ 85 private static final int SHARED_MSG = -1; 86 /** If the msg is already queued, replace it with this one. */ 87 private static final int SENDMSG_REPLACE = 0; 88 /** If the msg is already queued, ignore this one and leave the old. */ 89 private static final int SENDMSG_NOOP = 1; 90 /** If the msg is already queued, queue this one and leave the old. */ 91 private static final int SENDMSG_QUEUE = 2; 92 93 // AudioHandler message.whats 94 private static final int MSG_SET_SYSTEM_VOLUME = 0; 95 private static final int MSG_PERSIST_VOLUME = 1; 96 private static final int MSG_PERSIST_RINGER_MODE = 3; 97 private static final int MSG_PERSIST_VIBRATE_SETTING = 4; 98 private static final int MSG_MEDIA_SERVER_DIED = 5; 99 private static final int MSG_MEDIA_SERVER_STARTED = 6; 100 private static final int MSG_PLAY_SOUND_EFFECT = 7; 101 102 /** @see AudioSystemThread */ 103 private AudioSystemThread mAudioSystemThread; 104 /** @see AudioHandler */ 105 private AudioHandler mAudioHandler; 106 /** @see VolumeStreamState */ 107 private VolumeStreamState[] mStreamStates; 108 private SettingsObserver mSettingsObserver; 109 110 private int mMode; 111 private Object mSettingsLock = new Object(); 112 private boolean mMediaServerOk; 113 114 /** cached value of the BT dock address to recognize undocking events */ 115 private static String sBtDockAddress = ""; 116 117 private SoundPool mSoundPool; 118 private Object mSoundEffectsLock = new Object(); 119 private static final int NUM_SOUNDPOOL_CHANNELS = 4; 120 private static final int SOUND_EFFECT_VOLUME = 1000; 121 122 /* Sound effect file names */ 123 private static final String SOUND_EFFECTS_PATH = "/media/audio/ui/"; 124 private static final String[] SOUND_EFFECT_FILES = new String[] { 125 "Effect_Tick.ogg", 126 "KeypressStandard.ogg", 127 "KeypressSpacebar.ogg", 128 "KeypressDelete.ogg", 129 "KeypressReturn.ogg" 130 }; 131 132 /* Sound effect file name mapping sound effect id (AudioManager.FX_xxx) to 133 * file index in SOUND_EFFECT_FILES[] (first column) and indicating if effect 134 * uses soundpool (second column) */ 135 private int[][] SOUND_EFFECT_FILES_MAP = new int[][] { 136 {0, -1}, // FX_KEY_CLICK 137 {0, -1}, // FX_FOCUS_NAVIGATION_UP 138 {0, -1}, // FX_FOCUS_NAVIGATION_DOWN 139 {0, -1}, // FX_FOCUS_NAVIGATION_LEFT 140 {0, -1}, // FX_FOCUS_NAVIGATION_RIGHT 141 {1, -1}, // FX_KEYPRESS_STANDARD 142 {2, -1}, // FX_KEYPRESS_SPACEBAR 143 {3, -1}, // FX_FOCUS_DELETE 144 {4, -1} // FX_FOCUS_RETURN 145 }; 146 147 /** @hide Maximum volume index values for audio streams */ 148 private int[] MAX_STREAM_VOLUME = new int[] { 149 5, // STREAM_VOICE_CALL 150 7, // STREAM_SYSTEM 151 7, // STREAM_RING 152 15, // STREAM_MUSIC 153 7, // STREAM_ALARM 154 7, // STREAM_NOTIFICATION 155 15, // STREAM_BLUETOOTH_SCO 156 7, // STREAM_SYSTEM_ENFORCED 157 15, // STREAM_DTMF 158 15 // STREAM_TTS 159 }; 160 /* STREAM_VOLUME_ALIAS[] indicates for each stream if it uses the volume settings 161 * of another stream: This avoids multiplying the volume settings for hidden 162 * stream types that follow other stream behavior for volume settings 163 * NOTE: do not create loops in aliases! */ 164 private int[] STREAM_VOLUME_ALIAS = new int[] { 165 AudioSystem.STREAM_VOICE_CALL, // STREAM_VOICE_CALL 166 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM 167 AudioSystem.STREAM_RING, // STREAM_RING 168 AudioSystem.STREAM_MUSIC, // STREAM_MUSIC 169 AudioSystem.STREAM_ALARM, // STREAM_ALARM 170 AudioSystem.STREAM_NOTIFICATION, // STREAM_NOTIFICATION 171 AudioSystem.STREAM_VOICE_CALL, // STREAM_BLUETOOTH_SCO 172 AudioSystem.STREAM_SYSTEM, // STREAM_SYSTEM_ENFORCED 173 AudioSystem.STREAM_VOICE_CALL, // STREAM_DTMF 174 AudioSystem.STREAM_MUSIC // STREAM_TTS 175 }; 176 177 private AudioSystem.ErrorCallback mAudioSystemCallback = new AudioSystem.ErrorCallback() { 178 public void onError(int error) { 179 switch (error) { 180 case AudioSystem.AUDIO_STATUS_SERVER_DIED: 181 if (mMediaServerOk) { 182 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 183 null, 1500); 184 mMediaServerOk = false; 185 } 186 break; 187 case AudioSystem.AUDIO_STATUS_OK: 188 if (!mMediaServerOk) { 189 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_STARTED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 190 null, 0); 191 mMediaServerOk = true; 192 } 193 break; 194 default: 195 break; 196 } 197 } 198 }; 199 200 /** 201 * Current ringer mode from one of {@link AudioManager#RINGER_MODE_NORMAL}, 202 * {@link AudioManager#RINGER_MODE_SILENT}, or 203 * {@link AudioManager#RINGER_MODE_VIBRATE}. 204 */ 205 private int mRingerMode; 206 207 /** @see System#MODE_RINGER_STREAMS_AFFECTED */ 208 private int mRingerModeAffectedStreams; 209 210 /** @see System#MUTE_STREAMS_AFFECTED */ 211 private int mMuteAffectedStreams; 212 213 /** 214 * Has multiple bits per vibrate type to indicate the type's vibrate 215 * setting. See {@link #setVibrateSetting(int, int)}. 216 * <p> 217 * NOTE: This is not the final decision of whether vibrate is on/off for the 218 * type since it depends on the ringer mode. See {@link #shouldVibrate(int)}. 219 */ 220 private int mVibrateSetting; 221 222 /** @see System#NOTIFICATIONS_USE_RING_VOLUME */ 223 private int mNotificationsUseRingVolume; 224 225 // Broadcast receiver for device connections intent broadcasts 226 private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver(); 227 228 // Devices currently connected 229 private HashMap <Integer, String> mConnectedDevices = new HashMap <Integer, String>(); 230 231 // Forced device usage for communications 232 private int mForcedUseForComm; 233 234 235 /////////////////////////////////////////////////////////////////////////// 236 // Construction 237 /////////////////////////////////////////////////////////////////////////// 238 239 /** @hide */ 240 public AudioService(Context context) { 241 mContext = context; 242 mContentResolver = context.getContentResolver(); 243 244 // Intialized volume 245 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL] = SystemProperties.getInt( 246 "ro.config.vc_call_vol_steps", 247 MAX_STREAM_VOLUME[AudioSystem.STREAM_VOICE_CALL]); 248 249 mVolumePanel = new VolumePanel(context, this); 250 mSettingsObserver = new SettingsObserver(); 251 mMode = AudioSystem.MODE_NORMAL; 252 mForcedUseForComm = AudioSystem.FORCE_NONE; 253 createAudioSystemThread(); 254 readPersistedSettings(); 255 createStreamStates(); 256 mMediaServerOk = true; 257 AudioSystem.setErrorCallback(mAudioSystemCallback); 258 loadSoundEffects(); 259 260 // Register for device connection intent broadcasts. 261 IntentFilter intentFilter = 262 new IntentFilter(Intent.ACTION_HEADSET_PLUG); 263 intentFilter.addAction(BluetoothA2dp.ACTION_SINK_STATE_CHANGED); 264 intentFilter.addAction(BluetoothHeadset.ACTION_STATE_CHANGED); 265 context.registerReceiver(mReceiver, intentFilter); 266 267 } 268 269 private void createAudioSystemThread() { 270 mAudioSystemThread = new AudioSystemThread(); 271 mAudioSystemThread.start(); 272 waitForAudioHandlerCreation(); 273 } 274 275 /** Waits for the volume handler to be created by the other thread. */ 276 private void waitForAudioHandlerCreation() { 277 synchronized(this) { 278 while (mAudioHandler == null) { 279 try { 280 // Wait for mAudioHandler to be set by the other thread 281 wait(); 282 } catch (InterruptedException e) { 283 Log.e(TAG, "Interrupted while waiting on volume handler."); 284 } 285 } 286 } 287 } 288 289 private void createStreamStates() { 290 int numStreamTypes = AudioSystem.getNumStreamTypes(); 291 VolumeStreamState[] streams = mStreamStates = new VolumeStreamState[numStreamTypes]; 292 293 for (int i = 0; i < numStreamTypes; i++) { 294 streams[i] = new VolumeStreamState(System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[i]], i); 295 } 296 297 // Correct stream index values for streams with aliases 298 for (int i = 0; i < numStreamTypes; i++) { 299 if (STREAM_VOLUME_ALIAS[i] != i) { 300 int index = rescaleIndex(streams[i].mIndex, STREAM_VOLUME_ALIAS[i], i); 301 streams[i].mIndex = streams[i].getValidIndex(index); 302 setStreamVolumeIndex(i, index); 303 index = rescaleIndex(streams[i].mLastAudibleIndex, STREAM_VOLUME_ALIAS[i], i); 304 streams[i].mLastAudibleIndex = streams[i].getValidIndex(index); 305 } 306 } 307 } 308 309 private void readPersistedSettings() { 310 final ContentResolver cr = mContentResolver; 311 312 mRingerMode = System.getInt(cr, System.MODE_RINGER, AudioManager.RINGER_MODE_NORMAL); 313 314 mVibrateSetting = System.getInt(cr, System.VIBRATE_ON, 0); 315 316 mRingerModeAffectedStreams = Settings.System.getInt(cr, 317 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 318 ((1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_NOTIFICATION)| 319 (1 << AudioSystem.STREAM_SYSTEM)|(1 << AudioSystem.STREAM_SYSTEM_ENFORCED))); 320 321 mMuteAffectedStreams = System.getInt(cr, 322 System.MUTE_STREAMS_AFFECTED, 323 ((1 << AudioSystem.STREAM_MUSIC)|(1 << AudioSystem.STREAM_RING)|(1 << AudioSystem.STREAM_SYSTEM))); 324 325 mNotificationsUseRingVolume = System.getInt(cr, 326 Settings.System.NOTIFICATIONS_USE_RING_VOLUME, 1); 327 328 if (mNotificationsUseRingVolume == 1) { 329 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_RING; 330 } 331 // Each stream will read its own persisted settings 332 333 // Broadcast the sticky intent 334 broadcastRingerMode(); 335 336 // Broadcast vibrate settings 337 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER); 338 broadcastVibrateSetting(AudioManager.VIBRATE_TYPE_NOTIFICATION); 339 } 340 341 private void setStreamVolumeIndex(int stream, int index) { 342 AudioSystem.setStreamVolumeIndex(stream, (index + 5)/10); 343 } 344 345 private int rescaleIndex(int index, int srcStream, int dstStream) { 346 return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex(); 347 } 348 349 /////////////////////////////////////////////////////////////////////////// 350 // IPC methods 351 /////////////////////////////////////////////////////////////////////////// 352 353 /** @see AudioManager#adjustVolume(int, int) */ 354 public void adjustVolume(int direction, int flags) { 355 adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags); 356 } 357 358 /** @see AudioManager#adjustVolume(int, int, int) */ 359 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 360 361 int streamType = getActiveStreamType(suggestedStreamType); 362 363 // Don't play sound on other streams 364 if (streamType != AudioSystem.STREAM_RING && (flags & AudioManager.FLAG_PLAY_SOUND) != 0) { 365 flags &= ~AudioManager.FLAG_PLAY_SOUND; 366 } 367 368 adjustStreamVolume(streamType, direction, flags); 369 } 370 371 /** @see AudioManager#adjustStreamVolume(int, int, int) */ 372 public void adjustStreamVolume(int streamType, int direction, int flags) { 373 ensureValidDirection(direction); 374 ensureValidStreamType(streamType); 375 376 377 VolumeStreamState streamState = mStreamStates[STREAM_VOLUME_ALIAS[streamType]]; 378 final int oldIndex = streamState.mIndex; 379 boolean adjustVolume = true; 380 381 // If either the client forces allowing ringer modes for this adjustment, 382 // or the stream type is one that is affected by ringer modes 383 if ((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0 384 || streamType == AudioSystem.STREAM_RING) { 385 // Check if the ringer mode changes with this volume adjustment. If 386 // it does, it will handle adjusting the volume, so we won't below 387 adjustVolume = checkForRingerModeChange(oldIndex, direction); 388 } 389 390 if (adjustVolume && streamState.adjustIndex(direction)) { 391 // Post message to set system volume (it in turn will post a message 392 // to persist). Do not change volume if stream is muted. 393 if (streamState.muteCount() == 0) { 394 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, STREAM_VOLUME_ALIAS[streamType], SENDMSG_NOOP, 0, 0, 395 streamState, 0); 396 } 397 } 398 399 // UI 400 mVolumePanel.postVolumeChanged(streamType, flags); 401 // Broadcast Intent 402 sendVolumeUpdate(streamType); 403 } 404 405 /** @see AudioManager#setStreamVolume(int, int, int) */ 406 public void setStreamVolume(int streamType, int index, int flags) { 407 ensureValidStreamType(streamType); 408 index = rescaleIndex(index * 10, streamType, STREAM_VOLUME_ALIAS[streamType]); 409 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, false, true); 410 411 // UI, etc. 412 mVolumePanel.postVolumeChanged(streamType, flags); 413 // Broadcast Intent 414 sendVolumeUpdate(streamType); 415 } 416 417 private void sendVolumeUpdate(int streamType) { 418 Intent intent = new Intent(AudioManager.VOLUME_CHANGED_ACTION); 419 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, streamType); 420 intent.putExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, getStreamVolume(streamType)); 421 422 // Currently, sending the intent only when the stream is BLUETOOTH_SCO 423 if (streamType == AudioSystem.STREAM_BLUETOOTH_SCO) { 424 mContext.sendBroadcast(intent); 425 } 426 } 427 428 /** 429 * Sets the stream state's index, and posts a message to set system volume. 430 * This will not call out to the UI. Assumes a valid stream type. 431 * 432 * @param streamType Type of the stream 433 * @param index Desired volume index of the stream 434 * @param force If true, set the volume even if the desired volume is same 435 * as the current volume. 436 * @param lastAudible If true, stores new index as last audible one 437 */ 438 private void setStreamVolumeInt(int streamType, int index, boolean force, boolean lastAudible) { 439 VolumeStreamState streamState = mStreamStates[streamType]; 440 if (streamState.setIndex(index, lastAudible) || force) { 441 // Post message to set system volume (it in turn will post a message 442 // to persist). Do not change volume if stream is muted. 443 if (streamState.muteCount() == 0) { 444 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, streamType, SENDMSG_NOOP, 0, 0, 445 streamState, 0); 446 } 447 } 448 } 449 450 /** @see AudioManager#setStreamSolo(int, boolean) */ 451 public void setStreamSolo(int streamType, boolean state, IBinder cb) { 452 for (int stream = 0; stream < mStreamStates.length; stream++) { 453 if (!isStreamAffectedByMute(stream) || stream == streamType) continue; 454 // Bring back last audible volume 455 mStreamStates[stream].mute(cb, state); 456 } 457 } 458 459 /** @see AudioManager#setStreamMute(int, boolean) */ 460 public void setStreamMute(int streamType, boolean state, IBinder cb) { 461 if (isStreamAffectedByMute(streamType)) { 462 mStreamStates[streamType].mute(cb, state); 463 } 464 } 465 466 /** @see AudioManager#getStreamVolume(int) */ 467 public int getStreamVolume(int streamType) { 468 ensureValidStreamType(streamType); 469 return (mStreamStates[streamType].mIndex + 5) / 10; 470 } 471 472 /** @see AudioManager#getStreamMaxVolume(int) */ 473 public int getStreamMaxVolume(int streamType) { 474 ensureValidStreamType(streamType); 475 return (mStreamStates[streamType].getMaxIndex() + 5) / 10; 476 } 477 478 /** @see AudioManager#getRingerMode() */ 479 public int getRingerMode() { 480 return mRingerMode; 481 } 482 483 /** @see AudioManager#setRingerMode(int) */ 484 public void setRingerMode(int ringerMode) { 485 synchronized (mSettingsLock) { 486 if (ringerMode != mRingerMode) { 487 setRingerModeInt(ringerMode, true); 488 // Send sticky broadcast 489 broadcastRingerMode(); 490 } 491 } 492 } 493 494 private void setRingerModeInt(int ringerMode, boolean persist) { 495 mRingerMode = ringerMode; 496 497 // Adjust volumes via posting message 498 int numStreamTypes = AudioSystem.getNumStreamTypes(); 499 if (mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 500 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 501 if (!isStreamAffectedByRingerMode(streamType)) continue; 502 // Bring back last audible volume 503 setStreamVolumeInt(streamType, mStreamStates[streamType].mLastAudibleIndex, 504 false, false); 505 } 506 } else { 507 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 508 if (isStreamAffectedByRingerMode(streamType)) { 509 // Either silent or vibrate, either way volume is 0 510 setStreamVolumeInt(streamType, 0, false, false); 511 } else { 512 // restore stream volume in the case the stream changed from affected 513 // to non affected by ringer mode. Does not arm to do it for streams that 514 // are not affected as well. 515 setStreamVolumeInt(streamType, mStreamStates[streamType].mLastAudibleIndex, 516 false, false); 517 } 518 } 519 } 520 521 // Post a persist ringer mode msg 522 if (persist) { 523 sendMsg(mAudioHandler, MSG_PERSIST_RINGER_MODE, SHARED_MSG, 524 SENDMSG_REPLACE, 0, 0, null, PERSIST_DELAY); 525 } 526 } 527 528 /** @see AudioManager#shouldVibrate(int) */ 529 public boolean shouldVibrate(int vibrateType) { 530 531 switch (getVibrateSetting(vibrateType)) { 532 533 case AudioManager.VIBRATE_SETTING_ON: 534 return mRingerMode != AudioManager.RINGER_MODE_SILENT; 535 536 case AudioManager.VIBRATE_SETTING_ONLY_SILENT: 537 return mRingerMode == AudioManager.RINGER_MODE_VIBRATE; 538 539 case AudioManager.VIBRATE_SETTING_OFF: 540 // Phone ringer should always vibrate in vibrate mode 541 if (vibrateType == AudioManager.VIBRATE_TYPE_RINGER) { 542 return mRingerMode == AudioManager.RINGER_MODE_VIBRATE; 543 } 544 545 default: 546 return false; 547 } 548 } 549 550 /** @see AudioManager#getVibrateSetting(int) */ 551 public int getVibrateSetting(int vibrateType) { 552 return (mVibrateSetting >> (vibrateType * 2)) & 3; 553 } 554 555 /** @see AudioManager#setVibrateSetting(int, int) */ 556 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 557 558 mVibrateSetting = getValueForVibrateSetting(mVibrateSetting, vibrateType, vibrateSetting); 559 560 // Broadcast change 561 broadcastVibrateSetting(vibrateType); 562 563 // Post message to set ringer mode (it in turn will post a message 564 // to persist) 565 sendMsg(mAudioHandler, MSG_PERSIST_VIBRATE_SETTING, SHARED_MSG, SENDMSG_NOOP, 0, 0, 566 null, 0); 567 } 568 569 /** 570 * @see #setVibrateSetting(int, int) 571 */ 572 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 573 int vibrateSetting) { 574 575 // First clear the existing setting. Each vibrate type has two bits in 576 // the value. Note '3' is '11' in binary. 577 existingValue &= ~(3 << (vibrateType * 2)); 578 579 // Set into the old value 580 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 581 582 return existingValue; 583 } 584 585 /** @see AudioManager#setMode(int) */ 586 public void setMode(int mode) { 587 if (!checkAudioSettingsPermission("setMode()")) { 588 return; 589 } 590 591 if (mode < AudioSystem.MODE_CURRENT || mode > AudioSystem.MODE_IN_CALL) { 592 return; 593 } 594 595 synchronized (mSettingsLock) { 596 if (mode == AudioSystem.MODE_CURRENT) { 597 mode = mMode; 598 } 599 if (mode != mMode) { 600 if (AudioSystem.setPhoneState(mode) == AudioSystem.AUDIO_STATUS_OK) { 601 mMode = mode; 602 } 603 } 604 int streamType = getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE); 605 int index = mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex; 606 setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType], index, true, true); 607 } 608 } 609 610 /** @see AudioManager#getMode() */ 611 public int getMode() { 612 return mMode; 613 } 614 615 /** @see AudioManager#playSoundEffect(int) */ 616 public void playSoundEffect(int effectType) { 617 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, 618 effectType, -1, null, 0); 619 } 620 621 /** @see AudioManager#playSoundEffect(int, float) */ 622 public void playSoundEffectVolume(int effectType, float volume) { 623 loadSoundEffects(); 624 sendMsg(mAudioHandler, MSG_PLAY_SOUND_EFFECT, SHARED_MSG, SENDMSG_NOOP, 625 effectType, (int) (volume * 1000), null, 0); 626 } 627 628 /** 629 * Loads samples into the soundpool. 630 * This method must be called at when sound effects are enabled 631 */ 632 public boolean loadSoundEffects() { 633 synchronized (mSoundEffectsLock) { 634 if (mSoundPool != null) { 635 return true; 636 } 637 mSoundPool = new SoundPool(NUM_SOUNDPOOL_CHANNELS, AudioSystem.STREAM_SYSTEM, 0); 638 if (mSoundPool == null) { 639 return false; 640 } 641 /* 642 * poolId table: The value -1 in this table indicates that corresponding 643 * file (same index in SOUND_EFFECT_FILES[] has not been loaded. 644 * Once loaded, the value in poolId is the sample ID and the same 645 * sample can be reused for another effect using the same file. 646 */ 647 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 648 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 649 poolId[fileIdx] = -1; 650 } 651 /* 652 * Effects whose value in SOUND_EFFECT_FILES_MAP[effect][1] is -1 must be loaded. 653 * If load succeeds, value in SOUND_EFFECT_FILES_MAP[effect][1] is > 0: 654 * this indicates we have a valid sample loaded for this effect. 655 */ 656 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 657 // Do not load sample if this effect uses the MediaPlayer 658 if (SOUND_EFFECT_FILES_MAP[effect][1] == 0) { 659 continue; 660 } 661 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == -1) { 662 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effect][0]]; 663 int sampleId = mSoundPool.load(filePath, 0); 664 SOUND_EFFECT_FILES_MAP[effect][1] = sampleId; 665 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = sampleId; 666 if (sampleId <= 0) { 667 Log.w(TAG, "Soundpool could not load file: "+filePath); 668 } 669 } else { 670 SOUND_EFFECT_FILES_MAP[effect][1] = poolId[SOUND_EFFECT_FILES_MAP[effect][0]]; 671 } 672 } 673 } 674 675 return true; 676 } 677 678 /** 679 * Unloads samples from the sound pool. 680 * This method can be called to free some memory when 681 * sound effects are disabled. 682 */ 683 public void unloadSoundEffects() { 684 synchronized (mSoundEffectsLock) { 685 if (mSoundPool == null) { 686 return; 687 } 688 int[] poolId = new int[SOUND_EFFECT_FILES.length]; 689 for (int fileIdx = 0; fileIdx < SOUND_EFFECT_FILES.length; fileIdx++) { 690 poolId[fileIdx] = 0; 691 } 692 693 for (int effect = 0; effect < AudioManager.NUM_SOUND_EFFECTS; effect++) { 694 if (SOUND_EFFECT_FILES_MAP[effect][1] <= 0) { 695 continue; 696 } 697 if (poolId[SOUND_EFFECT_FILES_MAP[effect][0]] == 0) { 698 mSoundPool.unload(SOUND_EFFECT_FILES_MAP[effect][1]); 699 SOUND_EFFECT_FILES_MAP[effect][1] = -1; 700 poolId[SOUND_EFFECT_FILES_MAP[effect][0]] = -1; 701 } 702 } 703 mSoundPool = null; 704 } 705 } 706 707 /** @see AudioManager#reloadAudioSettings() */ 708 public void reloadAudioSettings() { 709 // restore ringer mode, ringer mode affected streams, mute affected streams and vibrate settings 710 readPersistedSettings(); 711 712 // restore volume settings 713 int numStreamTypes = AudioSystem.getNumStreamTypes(); 714 for (int streamType = 0; streamType < numStreamTypes; streamType++) { 715 VolumeStreamState streamState = mStreamStates[streamType]; 716 717 String settingName = System.VOLUME_SETTINGS[STREAM_VOLUME_ALIAS[streamType]]; 718 String lastAudibleSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 719 int index = Settings.System.getInt(mContentResolver, 720 settingName, 721 AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 722 if (STREAM_VOLUME_ALIAS[streamType] != streamType) { 723 index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); 724 } else { 725 index *= 10; 726 } 727 streamState.mIndex = streamState.getValidIndex(index); 728 729 index = (index + 5) / 10; 730 index = Settings.System.getInt(mContentResolver, 731 lastAudibleSettingName, 732 (index > 0) ? index : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 733 if (STREAM_VOLUME_ALIAS[streamType] != streamType) { 734 index = rescaleIndex(index * 10, STREAM_VOLUME_ALIAS[streamType], streamType); 735 } else { 736 index *= 10; 737 } 738 streamState.mLastAudibleIndex = streamState.getValidIndex(index); 739 740 // unmute stream that whas muted but is not affect by mute anymore 741 if (streamState.muteCount() != 0 && !isStreamAffectedByMute(streamType)) { 742 int size = streamState.mDeathHandlers.size(); 743 for (int i = 0; i < size; i++) { 744 streamState.mDeathHandlers.get(i).mMuteCount = 1; 745 streamState.mDeathHandlers.get(i).mute(false); 746 } 747 } 748 // apply stream volume 749 if (streamState.muteCount() == 0) { 750 setStreamVolumeIndex(streamType, streamState.mIndex); 751 } 752 } 753 754 // apply new ringer mode 755 setRingerModeInt(getRingerMode(), false); 756 } 757 758 /** @see AudioManager#setSpeakerphoneOn() */ 759 public void setSpeakerphoneOn(boolean on){ 760 if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) { 761 return; 762 } 763 if (on) { 764 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_SPEAKER); 765 mForcedUseForComm = AudioSystem.FORCE_SPEAKER; 766 } else { 767 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_NONE); 768 mForcedUseForComm = AudioSystem.FORCE_NONE; 769 } 770 } 771 772 /** @see AudioManager#isSpeakerphoneOn() */ 773 public boolean isSpeakerphoneOn() { 774 if (mForcedUseForComm == AudioSystem.FORCE_SPEAKER) { 775 return true; 776 } else { 777 return false; 778 } 779 } 780 781 /** @see AudioManager#setBluetoothScoOn() */ 782 public void setBluetoothScoOn(boolean on){ 783 if (!checkAudioSettingsPermission("setBluetoothScoOn()")) { 784 return; 785 } 786 if (on) { 787 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_BT_SCO); 788 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, AudioSystem.FORCE_BT_SCO); 789 mForcedUseForComm = AudioSystem.FORCE_BT_SCO; 790 } else { 791 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, AudioSystem.FORCE_NONE); 792 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, AudioSystem.FORCE_NONE); 793 mForcedUseForComm = AudioSystem.FORCE_NONE; 794 } 795 } 796 797 /** @see AudioManager#isBluetoothScoOn() */ 798 public boolean isBluetoothScoOn() { 799 if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) { 800 return true; 801 } else { 802 return false; 803 } 804 } 805 806 /////////////////////////////////////////////////////////////////////////// 807 // Internal methods 808 /////////////////////////////////////////////////////////////////////////// 809 810 /** 811 * Checks if the adjustment should change ringer mode instead of just 812 * adjusting volume. If so, this will set the proper ringer mode and volume 813 * indices on the stream states. 814 */ 815 private boolean checkForRingerModeChange(int oldIndex, int direction) { 816 boolean adjustVolumeIndex = true; 817 int newRingerMode = mRingerMode; 818 819 if (mRingerMode == AudioManager.RINGER_MODE_NORMAL && (oldIndex + 5) / 10 == 1 820 && direction == AudioManager.ADJUST_LOWER) { 821 newRingerMode = AudioManager.RINGER_MODE_VIBRATE; 822 } else if (mRingerMode == AudioManager.RINGER_MODE_VIBRATE) { 823 if (direction == AudioManager.ADJUST_RAISE) { 824 newRingerMode = AudioManager.RINGER_MODE_NORMAL; 825 } else if (direction == AudioManager.ADJUST_LOWER) { 826 newRingerMode = AudioManager.RINGER_MODE_SILENT; 827 } 828 } else if (direction == AudioManager.ADJUST_RAISE 829 && mRingerMode == AudioManager.RINGER_MODE_SILENT) { 830 newRingerMode = AudioManager.RINGER_MODE_VIBRATE; 831 } 832 833 if (newRingerMode != mRingerMode) { 834 setRingerMode(newRingerMode); 835 836 /* 837 * If we are changing ringer modes, do not increment/decrement the 838 * volume index. Instead, the handler for the message above will 839 * take care of changing the index. 840 */ 841 adjustVolumeIndex = false; 842 } 843 844 return adjustVolumeIndex; 845 } 846 847 public boolean isStreamAffectedByRingerMode(int streamType) { 848 return (mRingerModeAffectedStreams & (1 << streamType)) != 0; 849 } 850 851 public boolean isStreamAffectedByMute(int streamType) { 852 return (mMuteAffectedStreams & (1 << streamType)) != 0; 853 } 854 855 private void ensureValidDirection(int direction) { 856 if (direction < AudioManager.ADJUST_LOWER || direction > AudioManager.ADJUST_RAISE) { 857 throw new IllegalArgumentException("Bad direction " + direction); 858 } 859 } 860 861 private void ensureValidStreamType(int streamType) { 862 if (streamType < 0 || streamType >= mStreamStates.length) { 863 throw new IllegalArgumentException("Bad stream type " + streamType); 864 } 865 } 866 867 private int getActiveStreamType(int suggestedStreamType) { 868 boolean isOffhook = false; 869 try { 870 ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 871 if (phone != null) isOffhook = phone.isOffhook(); 872 } catch (RemoteException e) { 873 Log.w(TAG, "Couldn't connect to phone service", e); 874 } 875 876 if (AudioSystem.getForceUse(AudioSystem.FOR_COMMUNICATION) == AudioSystem.FORCE_BT_SCO) { 877 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_BLUETOOTH_SCO..."); 878 return AudioSystem.STREAM_BLUETOOTH_SCO; 879 } else if (isOffhook) { 880 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_VOICE_CALL..."); 881 return AudioSystem.STREAM_VOICE_CALL; 882 } else if (AudioSystem.isMusicActive()) { 883 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC..."); 884 return AudioSystem.STREAM_MUSIC; 885 } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) { 886 // Log.v(TAG, "getActiveStreamType: Forcing STREAM_RING..."); 887 return AudioSystem.STREAM_RING; 888 } else { 889 // Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); 890 return suggestedStreamType; 891 } 892 } 893 894 private void broadcastRingerMode() { 895 // Send sticky broadcast 896 if (ActivityManagerNative.isSystemReady()) { 897 Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION); 898 broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, mRingerMode); 899 long origCallerIdentityToken = Binder.clearCallingIdentity(); 900 mContext.sendStickyBroadcast(broadcast); 901 Binder.restoreCallingIdentity(origCallerIdentityToken); 902 } 903 } 904 905 private void broadcastVibrateSetting(int vibrateType) { 906 // Send broadcast 907 if (ActivityManagerNative.isSystemReady()) { 908 Intent broadcast = new Intent(AudioManager.VIBRATE_SETTING_CHANGED_ACTION); 909 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_TYPE, vibrateType); 910 broadcast.putExtra(AudioManager.EXTRA_VIBRATE_SETTING, getVibrateSetting(vibrateType)); 911 mContext.sendBroadcast(broadcast); 912 } 913 } 914 915 // Message helper methods 916 private static int getMsg(int baseMsg, int streamType) { 917 return (baseMsg & 0xffff) | streamType << 16; 918 } 919 920 private static int getMsgBase(int msg) { 921 return msg & 0xffff; 922 } 923 924 private static void sendMsg(Handler handler, int baseMsg, int streamType, 925 int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { 926 int msg = (streamType == SHARED_MSG) ? baseMsg : getMsg(baseMsg, streamType); 927 928 if (existingMsgPolicy == SENDMSG_REPLACE) { 929 handler.removeMessages(msg); 930 } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { 931 return; 932 } 933 934 handler 935 .sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); 936 } 937 938 boolean checkAudioSettingsPermission(String method) { 939 if (mContext.checkCallingOrSelfPermission("android.permission.MODIFY_AUDIO_SETTINGS") 940 == PackageManager.PERMISSION_GRANTED) { 941 return true; 942 } 943 String msg = "Audio Settings Permission Denial: " + method + " from pid=" 944 + Binder.getCallingPid() 945 + ", uid=" + Binder.getCallingUid(); 946 Log.w(TAG, msg); 947 return false; 948 } 949 950 951 /////////////////////////////////////////////////////////////////////////// 952 // Inner classes 953 /////////////////////////////////////////////////////////////////////////// 954 955 public class VolumeStreamState { 956 private final int mStreamType; 957 958 private String mVolumeIndexSettingName; 959 private String mLastAudibleVolumeIndexSettingName; 960 private int mIndexMax; 961 private int mIndex; 962 private int mLastAudibleIndex; 963 private ArrayList<VolumeDeathHandler> mDeathHandlers; //handles mute/solo requests client death 964 965 private VolumeStreamState(String settingName, int streamType) { 966 967 setVolumeIndexSettingName(settingName); 968 969 mStreamType = streamType; 970 971 final ContentResolver cr = mContentResolver; 972 mIndexMax = MAX_STREAM_VOLUME[streamType]; 973 mIndex = Settings.System.getInt(cr, 974 mVolumeIndexSettingName, 975 AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 976 mLastAudibleIndex = Settings.System.getInt(cr, 977 mLastAudibleVolumeIndexSettingName, 978 (mIndex > 0) ? mIndex : AudioManager.DEFAULT_STREAM_VOLUME[streamType]); 979 AudioSystem.initStreamVolume(streamType, 0, mIndexMax); 980 mIndexMax *= 10; 981 mIndex = getValidIndex(10 * mIndex); 982 mLastAudibleIndex = getValidIndex(10 * mLastAudibleIndex); 983 setStreamVolumeIndex(streamType, mIndex); 984 mDeathHandlers = new ArrayList<VolumeDeathHandler>(); 985 } 986 987 public void setVolumeIndexSettingName(String settingName) { 988 mVolumeIndexSettingName = settingName; 989 mLastAudibleVolumeIndexSettingName = settingName + System.APPEND_FOR_LAST_AUDIBLE; 990 } 991 992 public boolean adjustIndex(int deltaIndex) { 993 return setIndex(mIndex + deltaIndex * 10, true); 994 } 995 996 public boolean setIndex(int index, boolean lastAudible) { 997 int oldIndex = mIndex; 998 mIndex = getValidIndex(index); 999 1000 if (oldIndex != mIndex) { 1001 if (lastAudible) { 1002 mLastAudibleIndex = mIndex; 1003 } 1004 // Apply change to all streams using this one as alias 1005 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1006 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1007 if (streamType != mStreamType && STREAM_VOLUME_ALIAS[streamType] == mStreamType) { 1008 mStreamStates[streamType].setIndex(rescaleIndex(mIndex, mStreamType, streamType), lastAudible); 1009 } 1010 } 1011 return true; 1012 } else { 1013 return false; 1014 } 1015 } 1016 1017 public int getMaxIndex() { 1018 return mIndexMax; 1019 } 1020 1021 public void mute(IBinder cb, boolean state) { 1022 VolumeDeathHandler handler = getDeathHandler(cb, state); 1023 if (handler == null) { 1024 Log.e(TAG, "Could not get client death handler for stream: "+mStreamType); 1025 return; 1026 } 1027 handler.mute(state); 1028 } 1029 1030 private int getValidIndex(int index) { 1031 if (index < 0) { 1032 return 0; 1033 } else if (index > mIndexMax) { 1034 return mIndexMax; 1035 } 1036 1037 return index; 1038 } 1039 1040 private class VolumeDeathHandler implements IBinder.DeathRecipient { 1041 private IBinder mICallback; // To be notified of client's death 1042 private int mMuteCount; // Number of active mutes for this client 1043 1044 VolumeDeathHandler(IBinder cb) { 1045 mICallback = cb; 1046 } 1047 1048 public void mute(boolean state) { 1049 synchronized(mDeathHandlers) { 1050 if (state) { 1051 if (mMuteCount == 0) { 1052 // Register for client death notification 1053 try { 1054 mICallback.linkToDeath(this, 0); 1055 mDeathHandlers.add(this); 1056 // If the stream is not yet muted by any client, set lvel to 0 1057 if (muteCount() == 0) { 1058 setIndex(0, false); 1059 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, 1060 VolumeStreamState.this, 0); 1061 } 1062 } catch (RemoteException e) { 1063 // Client has died! 1064 binderDied(); 1065 mDeathHandlers.notify(); 1066 return; 1067 } 1068 } else { 1069 Log.w(TAG, "stream: "+mStreamType+" was already muted by this client"); 1070 } 1071 mMuteCount++; 1072 } else { 1073 if (mMuteCount == 0) { 1074 Log.e(TAG, "unexpected unmute for stream: "+mStreamType); 1075 } else { 1076 mMuteCount--; 1077 if (mMuteCount == 0) { 1078 // Unregistr from client death notification 1079 mDeathHandlers.remove(this); 1080 mICallback.unlinkToDeath(this, 0); 1081 if (muteCount() == 0) { 1082 // If the stream is not mut any more, restore it's volume if 1083 // ringer mode allows it 1084 if (!isStreamAffectedByRingerMode(mStreamType) || mRingerMode == AudioManager.RINGER_MODE_NORMAL) { 1085 setIndex(mLastAudibleIndex, false); 1086 sendMsg(mAudioHandler, MSG_SET_SYSTEM_VOLUME, mStreamType, SENDMSG_NOOP, 0, 0, 1087 VolumeStreamState.this, 0); 1088 } 1089 } 1090 } 1091 } 1092 } 1093 mDeathHandlers.notify(); 1094 } 1095 } 1096 1097 public void binderDied() { 1098 Log.w(TAG, "Volume service client died for stream: "+mStreamType); 1099 if (mMuteCount != 0) { 1100 // Reset all active mute requests from this client. 1101 mMuteCount = 1; 1102 mute(false); 1103 } 1104 } 1105 } 1106 1107 private int muteCount() { 1108 int count = 0; 1109 int size = mDeathHandlers.size(); 1110 for (int i = 0; i < size; i++) { 1111 count += mDeathHandlers.get(i).mMuteCount; 1112 } 1113 return count; 1114 } 1115 1116 private VolumeDeathHandler getDeathHandler(IBinder cb, boolean state) { 1117 synchronized(mDeathHandlers) { 1118 VolumeDeathHandler handler; 1119 int size = mDeathHandlers.size(); 1120 for (int i = 0; i < size; i++) { 1121 handler = mDeathHandlers.get(i); 1122 if (cb.equals(handler.mICallback)) { 1123 return handler; 1124 } 1125 } 1126 // If this is the first mute request for this client, create a new 1127 // client death handler. Otherwise, it is an out of sequence unmute request. 1128 if (state) { 1129 handler = new VolumeDeathHandler(cb); 1130 } else { 1131 Log.w(TAG, "stream was not muted by this client"); 1132 handler = null; 1133 } 1134 return handler; 1135 } 1136 } 1137 } 1138 1139 /** Thread that handles native AudioSystem control. */ 1140 private class AudioSystemThread extends Thread { 1141 AudioSystemThread() { 1142 super("AudioService"); 1143 } 1144 1145 @Override 1146 public void run() { 1147 // Set this thread up so the handler will work on it 1148 Looper.prepare(); 1149 1150 synchronized(AudioService.this) { 1151 mAudioHandler = new AudioHandler(); 1152 1153 // Notify that the handler has been created 1154 AudioService.this.notify(); 1155 } 1156 1157 // Listen for volume change requests that are set by VolumePanel 1158 Looper.loop(); 1159 } 1160 } 1161 1162 /** Handles internal volume messages in separate volume thread. */ 1163 private class AudioHandler extends Handler { 1164 1165 private void setSystemVolume(VolumeStreamState streamState) { 1166 1167 // Adjust volume 1168 setStreamVolumeIndex(streamState.mStreamType, streamState.mIndex); 1169 1170 // Apply change to all streams using this one as alias 1171 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1172 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1173 if (streamType != streamState.mStreamType && 1174 STREAM_VOLUME_ALIAS[streamType] == streamState.mStreamType) { 1175 setStreamVolumeIndex(streamType, mStreamStates[streamType].mIndex); 1176 } 1177 } 1178 1179 // Post a persist volume msg 1180 sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, streamState.mStreamType, 1181 SENDMSG_REPLACE, 0, 0, streamState, PERSIST_DELAY); 1182 } 1183 1184 private void persistVolume(VolumeStreamState streamState) { 1185 System.putInt(mContentResolver, streamState.mVolumeIndexSettingName, 1186 (streamState.mIndex + 5)/ 10); 1187 System.putInt(mContentResolver, streamState.mLastAudibleVolumeIndexSettingName, 1188 (streamState.mLastAudibleIndex + 5) / 10); 1189 } 1190 1191 private void persistRingerMode() { 1192 System.putInt(mContentResolver, System.MODE_RINGER, mRingerMode); 1193 } 1194 1195 private void persistVibrateSetting() { 1196 System.putInt(mContentResolver, System.VIBRATE_ON, mVibrateSetting); 1197 } 1198 1199 private void playSoundEffect(int effectType, int volume) { 1200 synchronized (mSoundEffectsLock) { 1201 if (mSoundPool == null) { 1202 return; 1203 } 1204 float volFloat; 1205 // use STREAM_MUSIC volume attenuated by 3 dB if volume is not specified by caller 1206 if (volume < 0) { 1207 // Same linear to log conversion as in native AudioSystem::linearToLog() (AudioSystem.cpp) 1208 float dBPerStep = (float)((0.5 * 100) / MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]); 1209 int musicVolIndex = (mStreamStates[AudioSystem.STREAM_MUSIC].mIndex + 5) / 10; 1210 float musicVoldB = dBPerStep * (musicVolIndex - MAX_STREAM_VOLUME[AudioSystem.STREAM_MUSIC]); 1211 volFloat = (float)Math.pow(10, (musicVoldB - 3)/20); 1212 } else { 1213 volFloat = (float) volume / 1000.0f; 1214 } 1215 1216 if (SOUND_EFFECT_FILES_MAP[effectType][1] > 0) { 1217 mSoundPool.play(SOUND_EFFECT_FILES_MAP[effectType][1], volFloat, volFloat, 0, 0, 1.0f); 1218 } else { 1219 MediaPlayer mediaPlayer = new MediaPlayer(); 1220 if (mediaPlayer != null) { 1221 try { 1222 String filePath = Environment.getRootDirectory() + SOUND_EFFECTS_PATH + SOUND_EFFECT_FILES[SOUND_EFFECT_FILES_MAP[effectType][0]]; 1223 mediaPlayer.setDataSource(filePath); 1224 mediaPlayer.setAudioStreamType(AudioSystem.STREAM_SYSTEM); 1225 mediaPlayer.prepare(); 1226 mediaPlayer.setVolume(volFloat, volFloat); 1227 mediaPlayer.setOnCompletionListener(new OnCompletionListener() { 1228 public void onCompletion(MediaPlayer mp) { 1229 cleanupPlayer(mp); 1230 } 1231 }); 1232 mediaPlayer.setOnErrorListener(new OnErrorListener() { 1233 public boolean onError(MediaPlayer mp, int what, int extra) { 1234 cleanupPlayer(mp); 1235 return true; 1236 } 1237 }); 1238 mediaPlayer.start(); 1239 } catch (IOException ex) { 1240 Log.w(TAG, "MediaPlayer IOException: "+ex); 1241 } catch (IllegalArgumentException ex) { 1242 Log.w(TAG, "MediaPlayer IllegalArgumentException: "+ex); 1243 } catch (IllegalStateException ex) { 1244 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 1245 } 1246 } 1247 } 1248 } 1249 } 1250 1251 private void cleanupPlayer(MediaPlayer mp) { 1252 if (mp != null) { 1253 try { 1254 mp.stop(); 1255 mp.release(); 1256 } catch (IllegalStateException ex) { 1257 Log.w(TAG, "MediaPlayer IllegalStateException: "+ex); 1258 } 1259 } 1260 } 1261 1262 @Override 1263 public void handleMessage(Message msg) { 1264 int baseMsgWhat = getMsgBase(msg.what); 1265 1266 switch (baseMsgWhat) { 1267 1268 case MSG_SET_SYSTEM_VOLUME: 1269 setSystemVolume((VolumeStreamState) msg.obj); 1270 break; 1271 1272 case MSG_PERSIST_VOLUME: 1273 persistVolume((VolumeStreamState) msg.obj); 1274 break; 1275 1276 case MSG_PERSIST_RINGER_MODE: 1277 persistRingerMode(); 1278 break; 1279 1280 case MSG_PERSIST_VIBRATE_SETTING: 1281 persistVibrateSetting(); 1282 break; 1283 1284 case MSG_MEDIA_SERVER_DIED: 1285 // Force creation of new IAudioflinger interface 1286 if (!mMediaServerOk) { 1287 Log.e(TAG, "Media server died."); 1288 AudioSystem.isMusicActive(); 1289 sendMsg(mAudioHandler, MSG_MEDIA_SERVER_DIED, SHARED_MSG, SENDMSG_NOOP, 0, 0, 1290 null, 500); 1291 } 1292 break; 1293 1294 case MSG_MEDIA_SERVER_STARTED: 1295 Log.e(TAG, "Media server started."); 1296 // Restore device connection states 1297 Set set = mConnectedDevices.entrySet(); 1298 Iterator i = set.iterator(); 1299 while(i.hasNext()){ 1300 Map.Entry device = (Map.Entry)i.next(); 1301 AudioSystem.setDeviceConnectionState(((Integer)device.getKey()).intValue(), 1302 AudioSystem.DEVICE_STATE_AVAILABLE, 1303 (String)device.getValue()); 1304 } 1305 1306 // Restore call state 1307 AudioSystem.setPhoneState(mMode); 1308 1309 // Restore forced usage for communcations and record 1310 AudioSystem.setForceUse(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm); 1311 AudioSystem.setForceUse(AudioSystem.FOR_RECORD, mForcedUseForComm); 1312 1313 // Restore stream volumes 1314 int numStreamTypes = AudioSystem.getNumStreamTypes(); 1315 for (int streamType = numStreamTypes - 1; streamType >= 0; streamType--) { 1316 int index; 1317 VolumeStreamState streamState = mStreamStates[streamType]; 1318 AudioSystem.initStreamVolume(streamType, 0, (streamState.mIndexMax + 5) / 10); 1319 if (streamState.muteCount() == 0) { 1320 index = streamState.mIndex; 1321 } else { 1322 index = 0; 1323 } 1324 setStreamVolumeIndex(streamType, index); 1325 } 1326 1327 // Restore ringer mode 1328 setRingerModeInt(getRingerMode(), false); 1329 break; 1330 1331 case MSG_PLAY_SOUND_EFFECT: 1332 playSoundEffect(msg.arg1, msg.arg2); 1333 break; 1334 } 1335 } 1336 } 1337 1338 private class SettingsObserver extends ContentObserver { 1339 1340 SettingsObserver() { 1341 super(new Handler()); 1342 mContentResolver.registerContentObserver(Settings.System.getUriFor( 1343 Settings.System.MODE_RINGER_STREAMS_AFFECTED), false, this); 1344 mContentResolver.registerContentObserver(Settings.System.getUriFor( 1345 Settings.System.NOTIFICATIONS_USE_RING_VOLUME), false, this); 1346 } 1347 1348 @Override 1349 public void onChange(boolean selfChange) { 1350 super.onChange(selfChange); 1351 synchronized (mSettingsLock) { 1352 int ringerModeAffectedStreams = Settings.System.getInt(mContentResolver, 1353 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 1354 0); 1355 if (ringerModeAffectedStreams != mRingerModeAffectedStreams) { 1356 /* 1357 * Ensure all stream types that should be affected by ringer mode 1358 * are in the proper state. 1359 */ 1360 mRingerModeAffectedStreams = ringerModeAffectedStreams; 1361 setRingerModeInt(getRingerMode(), false); 1362 } 1363 1364 int notificationsUseRingVolume = Settings.System.getInt(mContentResolver, 1365 Settings.System.NOTIFICATIONS_USE_RING_VOLUME, 1366 1); 1367 if (notificationsUseRingVolume != mNotificationsUseRingVolume) { 1368 mNotificationsUseRingVolume = notificationsUseRingVolume; 1369 if (mNotificationsUseRingVolume == 1) { 1370 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_RING; 1371 mStreamStates[AudioSystem.STREAM_NOTIFICATION].setVolumeIndexSettingName( 1372 System.VOLUME_SETTINGS[AudioSystem.STREAM_RING]); 1373 } else { 1374 STREAM_VOLUME_ALIAS[AudioSystem.STREAM_NOTIFICATION] = AudioSystem.STREAM_NOTIFICATION; 1375 mStreamStates[AudioSystem.STREAM_NOTIFICATION].setVolumeIndexSettingName( 1376 System.VOLUME_SETTINGS[AudioSystem.STREAM_NOTIFICATION]); 1377 // Persist notification volume volume as it was not persisted while aliased to ring volume 1378 // and persist with no delay as there might be registered observers of the persisted 1379 // notification volume. 1380 sendMsg(mAudioHandler, MSG_PERSIST_VOLUME, AudioSystem.STREAM_NOTIFICATION, 1381 SENDMSG_REPLACE, 0, 0, mStreamStates[AudioSystem.STREAM_NOTIFICATION], 0); 1382 } 1383 } 1384 } 1385 } 1386 } 1387 1388 /** 1389 * Receiver for misc intent broadcasts the Phone app cares about. 1390 */ 1391 private class AudioServiceBroadcastReceiver extends BroadcastReceiver { 1392 @Override 1393 public void onReceive(Context context, Intent intent) { 1394 String action = intent.getAction(); 1395 1396 if (action.equals(BluetoothA2dp.ACTION_SINK_STATE_CHANGED)) { 1397 int state = intent.getIntExtra(BluetoothA2dp.EXTRA_SINK_STATE, 1398 BluetoothA2dp.STATE_DISCONNECTED); 1399 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 1400 String address = btDevice.getAddress(); 1401 boolean isConnected = (mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP) && 1402 ((String)mConnectedDevices.get(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP)).equals(address)); 1403 1404 if (isConnected && 1405 state != BluetoothA2dp.STATE_CONNECTED && state != BluetoothA2dp.STATE_PLAYING) { 1406 if (address.equals(sBtDockAddress)) { 1407 Log.v(TAG, "Recognized undocking from BT dock"); 1408 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, AudioSystem.FORCE_NONE); 1409 } 1410 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 1411 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1412 address); 1413 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP); 1414 } else if (!isConnected && 1415 (state == BluetoothA2dp.STATE_CONNECTED || 1416 state == BluetoothA2dp.STATE_PLAYING)) { 1417 if (btDevice.isBluetoothDock()) { 1418 Log.v(TAG, "Recognized connection to BT dock"); 1419 sBtDockAddress = address; 1420 Intent i = context.registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT)); 1421 if (i != null) { 1422 int dockState = i.getIntExtra(Intent.EXTRA_DOCK_STATE, Intent.EXTRA_DOCK_STATE_UNDOCKED); 1423 int config; 1424 switch (dockState) { 1425 case Intent.EXTRA_DOCK_STATE_DESK: 1426 config = AudioSystem.FORCE_BT_DESK_DOCK; 1427 break; 1428 case Intent.EXTRA_DOCK_STATE_CAR: 1429 config = AudioSystem.FORCE_BT_CAR_DOCK; 1430 break; 1431 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 1432 default: 1433 config = AudioSystem.FORCE_NONE; 1434 } 1435 AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config); 1436 } 1437 } 1438 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, 1439 AudioSystem.DEVICE_STATE_AVAILABLE, 1440 address); 1441 // Reset A2DP suspend state each time a new sink is connected 1442 AudioSystem.setParameters("A2dpSuspended=false"); 1443 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP), 1444 address); 1445 } 1446 } else if (action.equals(BluetoothHeadset.ACTION_STATE_CHANGED)) { 1447 int state = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, 1448 BluetoothHeadset.STATE_ERROR); 1449 int device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 1450 BluetoothDevice btDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); 1451 String address = null; 1452 if (btDevice != null) { 1453 address = btDevice.getAddress(); 1454 BluetoothClass btClass = btDevice.getBluetoothClass(); 1455 if (btClass != null) { 1456 switch (btClass.getDeviceClass()) { 1457 case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: 1458 case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE: 1459 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 1460 break; 1461 case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO: 1462 device = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 1463 break; 1464 } 1465 } 1466 } 1467 1468 boolean isConnected = (mConnectedDevices.containsKey(device) && 1469 ((String)mConnectedDevices.get(device)).equals(address)); 1470 1471 if (isConnected && state != BluetoothHeadset.STATE_CONNECTED) { 1472 AudioSystem.setDeviceConnectionState(device, 1473 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1474 address); 1475 mConnectedDevices.remove(device); 1476 } else if (!isConnected && state == BluetoothHeadset.STATE_CONNECTED) { 1477 AudioSystem.setDeviceConnectionState(device, 1478 AudioSystem.DEVICE_STATE_AVAILABLE, 1479 address); 1480 mConnectedDevices.put(new Integer(device), address); 1481 } 1482 } else if (action.equals(Intent.ACTION_HEADSET_PLUG)) { 1483 int state = intent.getIntExtra("state", 0); 1484 int microphone = intent.getIntExtra("microphone", 0); 1485 1486 if (microphone != 0) { 1487 boolean isConnected = mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 1488 if (state == 0 && isConnected) { 1489 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 1490 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1491 ""); 1492 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADSET); 1493 } else if (state == 1 && !isConnected) { 1494 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADSET, 1495 AudioSystem.DEVICE_STATE_AVAILABLE, 1496 ""); 1497 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADSET), ""); 1498 } 1499 } else { 1500 boolean isConnected = mConnectedDevices.containsKey(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 1501 if (state == 0 && isConnected) { 1502 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 1503 AudioSystem.DEVICE_STATE_UNAVAILABLE, 1504 ""); 1505 mConnectedDevices.remove(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE); 1506 } else if (state == 1 && !isConnected) { 1507 AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, 1508 AudioSystem.DEVICE_STATE_AVAILABLE, 1509 ""); 1510 mConnectedDevices.put( new Integer(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE), ""); 1511 } 1512 } 1513 } 1514 } 1515 } 1516} 1517