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 17 package android.media; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.media.audiopolicy.AudioMix; 22 import android.util.Log; 23 24 import java.util.ArrayList; 25 26 /* IF YOU CHANGE ANY OF THE CONSTANTS IN THIS FILE, DO NOT FORGET 27 * TO UPDATE THE CORRESPONDING NATIVE GLUE AND AudioManager.java. 28 * THANK YOU FOR YOUR COOPERATION. 29 */ 30 31 /** 32 * @hide 33 */ 34 public class AudioSystem 35 { 36 private static final String TAG = "AudioSystem"; 37 /* These values must be kept in sync with system/audio.h */ 38 /* 39 * If these are modified, please also update Settings.System.VOLUME_SETTINGS 40 * and attrs.xml and AudioManager.java. 41 */ 42 /** Used to identify the default audio stream volume */ 43 public static final int STREAM_DEFAULT = -1; 44 /** Used to identify the volume of audio streams for phone calls */ 45 public static final int STREAM_VOICE_CALL = 0; 46 /** Used to identify the volume of audio streams for system sounds */ 47 public static final int STREAM_SYSTEM = 1; 48 /** Used to identify the volume of audio streams for the phone ring and message alerts */ 49 public static final int STREAM_RING = 2; 50 /** Used to identify the volume of audio streams for music playback */ 51 public static final int STREAM_MUSIC = 3; 52 /** Used to identify the volume of audio streams for alarms */ 53 public static final int STREAM_ALARM = 4; 54 /** Used to identify the volume of audio streams for notifications */ 55 public static final int STREAM_NOTIFICATION = 5; 56 /** Used to identify the volume of audio streams for phone calls when connected on bluetooth */ 57 public static final int STREAM_BLUETOOTH_SCO = 6; 58 /** Used to identify the volume of audio streams for enforced system sounds in certain 59 * countries (e.g camera in Japan) */ 60 public static final int STREAM_SYSTEM_ENFORCED = 7; 61 /** Used to identify the volume of audio streams for DTMF tones */ 62 public static final int STREAM_DTMF = 8; 63 /** Used to identify the volume of audio streams exclusively transmitted through the 64 * speaker (TTS) of the device */ 65 public static final int STREAM_TTS = 9; 66 /** Used to identify the volume of audio streams for accessibility prompts */ 67 public static final int STREAM_ACCESSIBILITY = 10; 68 /** 69 * @deprecated Use {@link #numStreamTypes() instead} 70 */ 71 public static final int NUM_STREAMS = 5; 72 73 // Expose only the getter method publicly so we can change it in the future 74 private static final int NUM_STREAM_TYPES = 11; 75 public static final int getNumStreamTypes() { return NUM_STREAM_TYPES; } 76 77 public static final String[] STREAM_NAMES = new String[] { 78 "STREAM_VOICE_CALL", 79 "STREAM_SYSTEM", 80 "STREAM_RING", 81 "STREAM_MUSIC", 82 "STREAM_ALARM", 83 "STREAM_NOTIFICATION", 84 "STREAM_BLUETOOTH_SCO", 85 "STREAM_SYSTEM_ENFORCED", 86 "STREAM_DTMF", 87 "STREAM_TTS", 88 "STREAM_ACCESSIBILITY" 89 }; 90 91 /* 92 * Sets the microphone mute on or off. 93 * 94 * @param on set <var>true</var> to mute the microphone; 95 * <var>false</var> to turn mute off 96 * @return command completion status see AUDIO_STATUS_OK, see AUDIO_STATUS_ERROR 97 */ 98 public static native int muteMicrophone(boolean on); 99 100 /* 101 * Checks whether the microphone mute is on or off. 102 * 103 * @return true if microphone is muted, false if it's not 104 */ 105 public static native boolean isMicrophoneMuted(); 106 107 /* modes for setPhoneState, must match AudioSystem.h audio_mode */ 108 public static final int MODE_INVALID = -2; 109 public static final int MODE_CURRENT = -1; 110 public static final int MODE_NORMAL = 0; 111 public static final int MODE_RINGTONE = 1; 112 public static final int MODE_IN_CALL = 2; 113 public static final int MODE_IN_COMMUNICATION = 3; 114 public static final int NUM_MODES = 4; 115 116 117 /* Routing bits for the former setRouting/getRouting API */ 118 /** @deprecated */ 119 @Deprecated public static final int ROUTE_EARPIECE = (1 << 0); 120 /** @deprecated */ 121 @Deprecated public static final int ROUTE_SPEAKER = (1 << 1); 122 /** @deprecated use {@link #ROUTE_BLUETOOTH_SCO} */ 123 @Deprecated public static final int ROUTE_BLUETOOTH = (1 << 2); 124 /** @deprecated */ 125 @Deprecated public static final int ROUTE_BLUETOOTH_SCO = (1 << 2); 126 /** @deprecated */ 127 @Deprecated public static final int ROUTE_HEADSET = (1 << 3); 128 /** @deprecated */ 129 @Deprecated public static final int ROUTE_BLUETOOTH_A2DP = (1 << 4); 130 /** @deprecated */ 131 @Deprecated public static final int ROUTE_ALL = 0xFFFFFFFF; 132 133 // Keep in sync with system/media/audio/include/system/audio.h 134 public static final int AUDIO_SESSION_ALLOCATE = 0; 135 136 /* 137 * Checks whether the specified stream type is active. 138 * 139 * return true if any track playing on this stream is active. 140 */ 141 public static native boolean isStreamActive(int stream, int inPastMs); 142 143 /* 144 * Checks whether the specified stream type is active on a remotely connected device. The notion 145 * of what constitutes a remote device is enforced by the audio policy manager of the platform. 146 * 147 * return true if any track playing on this stream is active on a remote device. 148 */ 149 public static native boolean isStreamActiveRemotely(int stream, int inPastMs); 150 151 /* 152 * Checks whether the specified audio source is active. 153 * 154 * return true if any recorder using this source is currently recording 155 */ 156 public static native boolean isSourceActive(int source); 157 158 /* 159 * Returns a new unused audio session ID 160 */ 161 public static native int newAudioSessionId(); 162 163 /* 164 * Returns a new unused audio player ID 165 */ 166 public static native int newAudioPlayerId(); 167 168 169 /* 170 * Sets a group generic audio configuration parameters. The use of these parameters 171 * are platform dependent, see libaudio 172 * 173 * param keyValuePairs list of parameters key value pairs in the form: 174 * key1=value1;key2=value2;... 175 */ 176 public static native int setParameters(String keyValuePairs); 177 178 /* 179 * Gets a group generic audio configuration parameters. The use of these parameters 180 * are platform dependent, see libaudio 181 * 182 * param keys list of parameters 183 * return value: list of parameters key value pairs in the form: 184 * key1=value1;key2=value2;... 185 */ 186 public static native String getParameters(String keys); 187 188 // These match the enum AudioError in frameworks/base/core/jni/android_media_AudioSystem.cpp 189 /* Command sucessful or Media server restarted. see ErrorCallback */ 190 public static final int AUDIO_STATUS_OK = 0; 191 /* Command failed or unspecified audio error. see ErrorCallback */ 192 public static final int AUDIO_STATUS_ERROR = 1; 193 /* Media server died. see ErrorCallback */ 194 public static final int AUDIO_STATUS_SERVER_DIED = 100; 195 196 private static ErrorCallback mErrorCallback; 197 198 /* 199 * Handles the audio error callback. 200 */ 201 public interface ErrorCallback 202 { 203 /* 204 * Callback for audio server errors. 205 * param error error code: 206 * - AUDIO_STATUS_OK 207 * - AUDIO_STATUS_SERVER_DIED 208 * - AUDIO_STATUS_ERROR 209 */ 210 void onError(int error); 211 }; 212 213 /* 214 * Registers a callback to be invoked when an error occurs. 215 * @param cb the callback to run 216 */ 217 public static void setErrorCallback(ErrorCallback cb) 218 { 219 synchronized (AudioSystem.class) { 220 mErrorCallback = cb; 221 if (cb != null) { 222 cb.onError(checkAudioFlinger()); 223 } 224 } 225 } 226 227 private static void errorCallbackFromNative(int error) 228 { 229 ErrorCallback errorCallback = null; 230 synchronized (AudioSystem.class) { 231 if (mErrorCallback != null) { 232 errorCallback = mErrorCallback; 233 } 234 } 235 if (errorCallback != null) { 236 errorCallback.onError(error); 237 } 238 } 239 240 /** 241 * Handles events from the audio policy manager about dynamic audio policies 242 * @see android.media.audiopolicy.AudioPolicy 243 */ 244 public interface DynamicPolicyCallback 245 { 246 void onDynamicPolicyMixStateUpdate(String regId, int state); 247 } 248 249 //keep in sync with include/media/AudioPolicy.h 250 private final static int DYNAMIC_POLICY_EVENT_MIX_STATE_UPDATE = 0; 251 252 private static DynamicPolicyCallback sDynPolicyCallback; 253 254 public static void setDynamicPolicyCallback(DynamicPolicyCallback cb) 255 { 256 synchronized (AudioSystem.class) { 257 sDynPolicyCallback = cb; 258 native_register_dynamic_policy_callback(); 259 } 260 } 261 262 private static void dynamicPolicyCallbackFromNative(int event, String regId, int val) 263 { 264 DynamicPolicyCallback cb = null; 265 synchronized (AudioSystem.class) { 266 if (sDynPolicyCallback != null) { 267 cb = sDynPolicyCallback; 268 } 269 } 270 if (cb != null) { 271 switch(event) { 272 case DYNAMIC_POLICY_EVENT_MIX_STATE_UPDATE: 273 cb.onDynamicPolicyMixStateUpdate(regId, val); 274 break; 275 default: 276 Log.e(TAG, "dynamicPolicyCallbackFromNative: unknown event " + event); 277 } 278 } 279 } 280 281 /** 282 * Handles events from the audio policy manager about recording events 283 * @see android.media.AudioManager.AudioRecordingCallback 284 */ 285 public interface AudioRecordingCallback 286 { 287 /** 288 * Callback for recording activity notifications events 289 * @param event 290 * @param session 291 * @param source 292 * @param recordingFormat an array of ints containing respectively the client and device 293 * recording configurations (2*3 ints), followed by the patch handle: 294 * index 0: client format 295 * 1: client channel mask 296 * 2: client sample rate 297 * 3: device format 298 * 4: device channel mask 299 * 5: device sample rate 300 * 6: patch handle 301 */ 302 void onRecordingConfigurationChanged(int event, int session, int source, 303 int[] recordingFormat); 304 } 305 306 private static AudioRecordingCallback sRecordingCallback; 307 308 public static void setRecordingCallback(AudioRecordingCallback cb) { 309 synchronized (AudioSystem.class) { 310 sRecordingCallback = cb; 311 native_register_recording_callback(); 312 } 313 } 314 315 /** 316 * Callback from native for recording configuration updates. 317 * @param event 318 * @param session 319 * @param source 320 * @param recordingFormat see 321 * {@link AudioRecordingCallback#onRecordingConfigurationChanged(int, int, int, int[])} for 322 * the description of the record format. 323 */ 324 private static void recordingCallbackFromNative(int event, int session, int source, 325 int[] recordingFormat) { 326 AudioRecordingCallback cb = null; 327 synchronized (AudioSystem.class) { 328 cb = sRecordingCallback; 329 } 330 if (cb != null) { 331 cb.onRecordingConfigurationChanged(event, session, source, recordingFormat); 332 } 333 } 334 335 /* 336 * Error codes used by public APIs (AudioTrack, AudioRecord, AudioManager ...) 337 * Must be kept in sync with frameworks/base/core/jni/android_media_AudioErrors.h 338 */ 339 public static final int SUCCESS = 0; 340 public static final int ERROR = -1; 341 public static final int BAD_VALUE = -2; 342 public static final int INVALID_OPERATION = -3; 343 public static final int PERMISSION_DENIED = -4; 344 public static final int NO_INIT = -5; 345 public static final int DEAD_OBJECT = -6; 346 public static final int WOULD_BLOCK = -7; 347 348 /* 349 * AudioPolicyService methods 350 */ 351 352 // 353 // audio device definitions: must be kept in sync with values in system/core/audio.h 354 // 355 356 public static final int DEVICE_NONE = 0x0; 357 // reserved bits 358 public static final int DEVICE_BIT_IN = 0x80000000; 359 public static final int DEVICE_BIT_DEFAULT = 0x40000000; 360 // output devices, be sure to update AudioManager.java also 361 public static final int DEVICE_OUT_EARPIECE = 0x1; 362 public static final int DEVICE_OUT_SPEAKER = 0x2; 363 public static final int DEVICE_OUT_WIRED_HEADSET = 0x4; 364 public static final int DEVICE_OUT_WIRED_HEADPHONE = 0x8; 365 public static final int DEVICE_OUT_BLUETOOTH_SCO = 0x10; 366 public static final int DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20; 367 public static final int DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40; 368 public static final int DEVICE_OUT_BLUETOOTH_A2DP = 0x80; 369 public static final int DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100; 370 public static final int DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200; 371 public static final int DEVICE_OUT_AUX_DIGITAL = 0x400; 372 public static final int DEVICE_OUT_HDMI = DEVICE_OUT_AUX_DIGITAL; 373 public static final int DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800; 374 public static final int DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000; 375 public static final int DEVICE_OUT_USB_ACCESSORY = 0x2000; 376 public static final int DEVICE_OUT_USB_DEVICE = 0x4000; 377 public static final int DEVICE_OUT_REMOTE_SUBMIX = 0x8000; 378 public static final int DEVICE_OUT_TELEPHONY_TX = 0x10000; 379 public static final int DEVICE_OUT_LINE = 0x20000; 380 public static final int DEVICE_OUT_HDMI_ARC = 0x40000; 381 public static final int DEVICE_OUT_SPDIF = 0x80000; 382 public static final int DEVICE_OUT_FM = 0x100000; 383 public static final int DEVICE_OUT_AUX_LINE = 0x200000; 384 public static final int DEVICE_OUT_SPEAKER_SAFE = 0x400000; 385 public static final int DEVICE_OUT_IP = 0x800000; 386 public static final int DEVICE_OUT_BUS = 0x1000000; 387 public static final int DEVICE_OUT_PROXY = 0x2000000; 388 public static final int DEVICE_OUT_USB_HEADSET = 0x4000000; 389 390 public static final int DEVICE_OUT_DEFAULT = DEVICE_BIT_DEFAULT; 391 392 public static final int DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE | 393 DEVICE_OUT_SPEAKER | 394 DEVICE_OUT_WIRED_HEADSET | 395 DEVICE_OUT_WIRED_HEADPHONE | 396 DEVICE_OUT_BLUETOOTH_SCO | 397 DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 398 DEVICE_OUT_BLUETOOTH_SCO_CARKIT | 399 DEVICE_OUT_BLUETOOTH_A2DP | 400 DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 401 DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | 402 DEVICE_OUT_HDMI | 403 DEVICE_OUT_ANLG_DOCK_HEADSET | 404 DEVICE_OUT_DGTL_DOCK_HEADSET | 405 DEVICE_OUT_USB_ACCESSORY | 406 DEVICE_OUT_USB_DEVICE | 407 DEVICE_OUT_REMOTE_SUBMIX | 408 DEVICE_OUT_TELEPHONY_TX | 409 DEVICE_OUT_LINE | 410 DEVICE_OUT_HDMI_ARC | 411 DEVICE_OUT_SPDIF | 412 DEVICE_OUT_FM | 413 DEVICE_OUT_AUX_LINE | 414 DEVICE_OUT_SPEAKER_SAFE | 415 DEVICE_OUT_IP | 416 DEVICE_OUT_BUS | 417 DEVICE_OUT_PROXY | 418 DEVICE_OUT_USB_HEADSET | 419 DEVICE_OUT_DEFAULT); 420 public static final int DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | 421 DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 422 DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER); 423 public static final int DEVICE_OUT_ALL_SCO = (DEVICE_OUT_BLUETOOTH_SCO | 424 DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 425 DEVICE_OUT_BLUETOOTH_SCO_CARKIT); 426 public static final int DEVICE_OUT_ALL_USB = (DEVICE_OUT_USB_ACCESSORY | 427 DEVICE_OUT_USB_DEVICE); 428 public static final int DEVICE_OUT_ALL_HDMI_SYSTEM_AUDIO = (DEVICE_OUT_AUX_LINE | 429 DEVICE_OUT_HDMI_ARC | 430 DEVICE_OUT_SPDIF); 431 public static final int DEVICE_ALL_HDMI_SYSTEM_AUDIO_AND_SPEAKER = 432 (DEVICE_OUT_ALL_HDMI_SYSTEM_AUDIO | 433 DEVICE_OUT_SPEAKER); 434 435 // input devices 436 public static final int DEVICE_IN_COMMUNICATION = DEVICE_BIT_IN | 0x1; 437 public static final int DEVICE_IN_AMBIENT = DEVICE_BIT_IN | 0x2; 438 public static final int DEVICE_IN_BUILTIN_MIC = DEVICE_BIT_IN | 0x4; 439 public static final int DEVICE_IN_BLUETOOTH_SCO_HEADSET = DEVICE_BIT_IN | 0x8; 440 public static final int DEVICE_IN_WIRED_HEADSET = DEVICE_BIT_IN | 0x10; 441 public static final int DEVICE_IN_AUX_DIGITAL = DEVICE_BIT_IN | 0x20; 442 public static final int DEVICE_IN_HDMI = DEVICE_IN_AUX_DIGITAL; 443 public static final int DEVICE_IN_VOICE_CALL = DEVICE_BIT_IN | 0x40; 444 public static final int DEVICE_IN_TELEPHONY_RX = DEVICE_IN_VOICE_CALL; 445 public static final int DEVICE_IN_BACK_MIC = DEVICE_BIT_IN | 0x80; 446 public static final int DEVICE_IN_REMOTE_SUBMIX = DEVICE_BIT_IN | 0x100; 447 public static final int DEVICE_IN_ANLG_DOCK_HEADSET = DEVICE_BIT_IN | 0x200; 448 public static final int DEVICE_IN_DGTL_DOCK_HEADSET = DEVICE_BIT_IN | 0x400; 449 public static final int DEVICE_IN_USB_ACCESSORY = DEVICE_BIT_IN | 0x800; 450 public static final int DEVICE_IN_USB_DEVICE = DEVICE_BIT_IN | 0x1000; 451 public static final int DEVICE_IN_FM_TUNER = DEVICE_BIT_IN | 0x2000; 452 public static final int DEVICE_IN_TV_TUNER = DEVICE_BIT_IN | 0x4000; 453 public static final int DEVICE_IN_LINE = DEVICE_BIT_IN | 0x8000; 454 public static final int DEVICE_IN_SPDIF = DEVICE_BIT_IN | 0x10000; 455 public static final int DEVICE_IN_BLUETOOTH_A2DP = DEVICE_BIT_IN | 0x20000; 456 public static final int DEVICE_IN_LOOPBACK = DEVICE_BIT_IN | 0x40000; 457 public static final int DEVICE_IN_IP = DEVICE_BIT_IN | 0x80000; 458 public static final int DEVICE_IN_BUS = DEVICE_BIT_IN | 0x100000; 459 public static final int DEVICE_IN_PROXY = DEVICE_BIT_IN | 0x1000000; 460 public static final int DEVICE_IN_USB_HEADSET = DEVICE_BIT_IN | 0x2000000; 461 public static final int DEVICE_IN_DEFAULT = DEVICE_BIT_IN | DEVICE_BIT_DEFAULT; 462 463 public static final int DEVICE_IN_ALL = (DEVICE_IN_COMMUNICATION | 464 DEVICE_IN_AMBIENT | 465 DEVICE_IN_BUILTIN_MIC | 466 DEVICE_IN_BLUETOOTH_SCO_HEADSET | 467 DEVICE_IN_WIRED_HEADSET | 468 DEVICE_IN_HDMI | 469 DEVICE_IN_TELEPHONY_RX | 470 DEVICE_IN_BACK_MIC | 471 DEVICE_IN_REMOTE_SUBMIX | 472 DEVICE_IN_ANLG_DOCK_HEADSET | 473 DEVICE_IN_DGTL_DOCK_HEADSET | 474 DEVICE_IN_USB_ACCESSORY | 475 DEVICE_IN_USB_DEVICE | 476 DEVICE_IN_FM_TUNER | 477 DEVICE_IN_TV_TUNER | 478 DEVICE_IN_LINE | 479 DEVICE_IN_SPDIF | 480 DEVICE_IN_BLUETOOTH_A2DP | 481 DEVICE_IN_LOOPBACK | 482 DEVICE_IN_IP | 483 DEVICE_IN_BUS | 484 DEVICE_IN_PROXY | 485 DEVICE_IN_USB_HEADSET | 486 DEVICE_IN_DEFAULT); 487 public static final int DEVICE_IN_ALL_SCO = DEVICE_IN_BLUETOOTH_SCO_HEADSET; 488 public static final int DEVICE_IN_ALL_USB = (DEVICE_IN_USB_ACCESSORY | 489 DEVICE_IN_USB_DEVICE); 490 491 // device states, must match AudioSystem::device_connection_state 492 public static final int DEVICE_STATE_UNAVAILABLE = 0; 493 public static final int DEVICE_STATE_AVAILABLE = 1; 494 private static final int NUM_DEVICE_STATES = 1; 495 496 public static final String DEVICE_OUT_EARPIECE_NAME = "earpiece"; 497 public static final String DEVICE_OUT_SPEAKER_NAME = "speaker"; 498 public static final String DEVICE_OUT_WIRED_HEADSET_NAME = "headset"; 499 public static final String DEVICE_OUT_WIRED_HEADPHONE_NAME = "headphone"; 500 public static final String DEVICE_OUT_BLUETOOTH_SCO_NAME = "bt_sco"; 501 public static final String DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME = "bt_sco_hs"; 502 public static final String DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME = "bt_sco_carkit"; 503 public static final String DEVICE_OUT_BLUETOOTH_A2DP_NAME = "bt_a2dp"; 504 public static final String DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME = "bt_a2dp_hp"; 505 public static final String DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME = "bt_a2dp_spk"; 506 public static final String DEVICE_OUT_AUX_DIGITAL_NAME = "aux_digital"; 507 public static final String DEVICE_OUT_HDMI_NAME = "hdmi"; 508 public static final String DEVICE_OUT_ANLG_DOCK_HEADSET_NAME = "analog_dock"; 509 public static final String DEVICE_OUT_DGTL_DOCK_HEADSET_NAME = "digital_dock"; 510 public static final String DEVICE_OUT_USB_ACCESSORY_NAME = "usb_accessory"; 511 public static final String DEVICE_OUT_USB_DEVICE_NAME = "usb_device"; 512 public static final String DEVICE_OUT_REMOTE_SUBMIX_NAME = "remote_submix"; 513 public static final String DEVICE_OUT_TELEPHONY_TX_NAME = "telephony_tx"; 514 public static final String DEVICE_OUT_LINE_NAME = "line"; 515 public static final String DEVICE_OUT_HDMI_ARC_NAME = "hmdi_arc"; 516 public static final String DEVICE_OUT_SPDIF_NAME = "spdif"; 517 public static final String DEVICE_OUT_FM_NAME = "fm_transmitter"; 518 public static final String DEVICE_OUT_AUX_LINE_NAME = "aux_line"; 519 public static final String DEVICE_OUT_SPEAKER_SAFE_NAME = "speaker_safe"; 520 public static final String DEVICE_OUT_IP_NAME = "ip"; 521 public static final String DEVICE_OUT_BUS_NAME = "bus"; 522 public static final String DEVICE_OUT_PROXY_NAME = "proxy"; 523 public static final String DEVICE_OUT_USB_HEADSET_NAME = "usb_headset"; 524 525 public static final String DEVICE_IN_COMMUNICATION_NAME = "communication"; 526 public static final String DEVICE_IN_AMBIENT_NAME = "ambient"; 527 public static final String DEVICE_IN_BUILTIN_MIC_NAME = "mic"; 528 public static final String DEVICE_IN_BLUETOOTH_SCO_HEADSET_NAME = "bt_sco_hs"; 529 public static final String DEVICE_IN_WIRED_HEADSET_NAME = "headset"; 530 public static final String DEVICE_IN_AUX_DIGITAL_NAME = "aux_digital"; 531 public static final String DEVICE_IN_TELEPHONY_RX_NAME = "telephony_rx"; 532 public static final String DEVICE_IN_BACK_MIC_NAME = "back_mic"; 533 public static final String DEVICE_IN_REMOTE_SUBMIX_NAME = "remote_submix"; 534 public static final String DEVICE_IN_ANLG_DOCK_HEADSET_NAME = "analog_dock"; 535 public static final String DEVICE_IN_DGTL_DOCK_HEADSET_NAME = "digital_dock"; 536 public static final String DEVICE_IN_USB_ACCESSORY_NAME = "usb_accessory"; 537 public static final String DEVICE_IN_USB_DEVICE_NAME = "usb_device"; 538 public static final String DEVICE_IN_FM_TUNER_NAME = "fm_tuner"; 539 public static final String DEVICE_IN_TV_TUNER_NAME = "tv_tuner"; 540 public static final String DEVICE_IN_LINE_NAME = "line"; 541 public static final String DEVICE_IN_SPDIF_NAME = "spdif"; 542 public static final String DEVICE_IN_BLUETOOTH_A2DP_NAME = "bt_a2dp"; 543 public static final String DEVICE_IN_LOOPBACK_NAME = "loopback"; 544 public static final String DEVICE_IN_IP_NAME = "ip"; 545 public static final String DEVICE_IN_BUS_NAME = "bus"; 546 public static final String DEVICE_IN_PROXY_NAME = "proxy"; 547 public static final String DEVICE_IN_USB_HEADSET_NAME = "usb_headset"; 548 549 public static String getOutputDeviceName(int device) 550 { 551 switch(device) { 552 case DEVICE_OUT_EARPIECE: 553 return DEVICE_OUT_EARPIECE_NAME; 554 case DEVICE_OUT_SPEAKER: 555 return DEVICE_OUT_SPEAKER_NAME; 556 case DEVICE_OUT_WIRED_HEADSET: 557 return DEVICE_OUT_WIRED_HEADSET_NAME; 558 case DEVICE_OUT_WIRED_HEADPHONE: 559 return DEVICE_OUT_WIRED_HEADPHONE_NAME; 560 case DEVICE_OUT_BLUETOOTH_SCO: 561 return DEVICE_OUT_BLUETOOTH_SCO_NAME; 562 case DEVICE_OUT_BLUETOOTH_SCO_HEADSET: 563 return DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME; 564 case DEVICE_OUT_BLUETOOTH_SCO_CARKIT: 565 return DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME; 566 case DEVICE_OUT_BLUETOOTH_A2DP: 567 return DEVICE_OUT_BLUETOOTH_A2DP_NAME; 568 case DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES: 569 return DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME; 570 case DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER: 571 return DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME; 572 case DEVICE_OUT_HDMI: 573 return DEVICE_OUT_HDMI_NAME; 574 case DEVICE_OUT_ANLG_DOCK_HEADSET: 575 return DEVICE_OUT_ANLG_DOCK_HEADSET_NAME; 576 case DEVICE_OUT_DGTL_DOCK_HEADSET: 577 return DEVICE_OUT_DGTL_DOCK_HEADSET_NAME; 578 case DEVICE_OUT_USB_ACCESSORY: 579 return DEVICE_OUT_USB_ACCESSORY_NAME; 580 case DEVICE_OUT_USB_DEVICE: 581 return DEVICE_OUT_USB_DEVICE_NAME; 582 case DEVICE_OUT_REMOTE_SUBMIX: 583 return DEVICE_OUT_REMOTE_SUBMIX_NAME; 584 case DEVICE_OUT_TELEPHONY_TX: 585 return DEVICE_OUT_TELEPHONY_TX_NAME; 586 case DEVICE_OUT_LINE: 587 return DEVICE_OUT_LINE_NAME; 588 case DEVICE_OUT_HDMI_ARC: 589 return DEVICE_OUT_HDMI_ARC_NAME; 590 case DEVICE_OUT_SPDIF: 591 return DEVICE_OUT_SPDIF_NAME; 592 case DEVICE_OUT_FM: 593 return DEVICE_OUT_FM_NAME; 594 case DEVICE_OUT_AUX_LINE: 595 return DEVICE_OUT_AUX_LINE_NAME; 596 case DEVICE_OUT_SPEAKER_SAFE: 597 return DEVICE_OUT_SPEAKER_SAFE_NAME; 598 case DEVICE_OUT_IP: 599 return DEVICE_OUT_IP_NAME; 600 case DEVICE_OUT_BUS: 601 return DEVICE_OUT_BUS_NAME; 602 case DEVICE_OUT_PROXY: 603 return DEVICE_OUT_PROXY_NAME; 604 case DEVICE_OUT_USB_HEADSET: 605 return DEVICE_OUT_USB_HEADSET_NAME; 606 case DEVICE_OUT_DEFAULT: 607 default: 608 return Integer.toString(device); 609 } 610 } 611 612 public static String getInputDeviceName(int device) 613 { 614 switch(device) { 615 case DEVICE_IN_COMMUNICATION: 616 return DEVICE_IN_COMMUNICATION_NAME; 617 case DEVICE_IN_AMBIENT: 618 return DEVICE_IN_AMBIENT_NAME; 619 case DEVICE_IN_BUILTIN_MIC: 620 return DEVICE_IN_BUILTIN_MIC_NAME; 621 case DEVICE_IN_BLUETOOTH_SCO_HEADSET: 622 return DEVICE_IN_BLUETOOTH_SCO_HEADSET_NAME; 623 case DEVICE_IN_WIRED_HEADSET: 624 return DEVICE_IN_WIRED_HEADSET_NAME; 625 case DEVICE_IN_AUX_DIGITAL: 626 return DEVICE_IN_AUX_DIGITAL_NAME; 627 case DEVICE_IN_TELEPHONY_RX: 628 return DEVICE_IN_TELEPHONY_RX_NAME; 629 case DEVICE_IN_BACK_MIC: 630 return DEVICE_IN_BACK_MIC_NAME; 631 case DEVICE_IN_REMOTE_SUBMIX: 632 return DEVICE_IN_REMOTE_SUBMIX_NAME; 633 case DEVICE_IN_ANLG_DOCK_HEADSET: 634 return DEVICE_IN_ANLG_DOCK_HEADSET_NAME; 635 case DEVICE_IN_DGTL_DOCK_HEADSET: 636 return DEVICE_IN_DGTL_DOCK_HEADSET_NAME; 637 case DEVICE_IN_USB_ACCESSORY: 638 return DEVICE_IN_USB_ACCESSORY_NAME; 639 case DEVICE_IN_USB_DEVICE: 640 return DEVICE_IN_USB_DEVICE_NAME; 641 case DEVICE_IN_FM_TUNER: 642 return DEVICE_IN_FM_TUNER_NAME; 643 case DEVICE_IN_TV_TUNER: 644 return DEVICE_IN_TV_TUNER_NAME; 645 case DEVICE_IN_LINE: 646 return DEVICE_IN_LINE_NAME; 647 case DEVICE_IN_SPDIF: 648 return DEVICE_IN_SPDIF_NAME; 649 case DEVICE_IN_BLUETOOTH_A2DP: 650 return DEVICE_IN_BLUETOOTH_A2DP_NAME; 651 case DEVICE_IN_LOOPBACK: 652 return DEVICE_IN_LOOPBACK_NAME; 653 case DEVICE_IN_IP: 654 return DEVICE_IN_IP_NAME; 655 case DEVICE_IN_BUS: 656 return DEVICE_IN_BUS_NAME; 657 case DEVICE_IN_PROXY: 658 return DEVICE_IN_PROXY_NAME; 659 case DEVICE_IN_USB_HEADSET: 660 return DEVICE_IN_USB_HEADSET_NAME; 661 case DEVICE_IN_DEFAULT: 662 default: 663 return Integer.toString(device); 664 } 665 } 666 667 // phone state, match audio_mode??? 668 public static final int PHONE_STATE_OFFCALL = 0; 669 public static final int PHONE_STATE_RINGING = 1; 670 public static final int PHONE_STATE_INCALL = 2; 671 672 // device categories config for setForceUse, must match audio_policy_forced_cfg_t 673 public static final int FORCE_NONE = 0; 674 public static final int FORCE_SPEAKER = 1; 675 public static final int FORCE_HEADPHONES = 2; 676 public static final int FORCE_BT_SCO = 3; 677 public static final int FORCE_BT_A2DP = 4; 678 public static final int FORCE_WIRED_ACCESSORY = 5; 679 public static final int FORCE_BT_CAR_DOCK = 6; 680 public static final int FORCE_BT_DESK_DOCK = 7; 681 public static final int FORCE_ANALOG_DOCK = 8; 682 public static final int FORCE_DIGITAL_DOCK = 9; 683 public static final int FORCE_NO_BT_A2DP = 10; 684 public static final int FORCE_SYSTEM_ENFORCED = 11; 685 public static final int FORCE_HDMI_SYSTEM_AUDIO_ENFORCED = 12; 686 public static final int FORCE_ENCODED_SURROUND_NEVER = 13; 687 public static final int FORCE_ENCODED_SURROUND_ALWAYS = 14; 688 public static final int NUM_FORCE_CONFIG = 15; 689 public static final int FORCE_DEFAULT = FORCE_NONE; 690 691 // usage for setForceUse, must match audio_policy_force_use_t 692 public static final int FOR_COMMUNICATION = 0; 693 public static final int FOR_MEDIA = 1; 694 public static final int FOR_RECORD = 2; 695 public static final int FOR_DOCK = 3; 696 public static final int FOR_SYSTEM = 4; 697 public static final int FOR_HDMI_SYSTEM_AUDIO = 5; 698 public static final int FOR_ENCODED_SURROUND = 6; 699 private static final int NUM_FORCE_USE = 7; 700 701 // usage for AudioRecord.startRecordingSync(), must match AudioSystem::sync_event_t 702 public static final int SYNC_EVENT_NONE = 0; 703 public static final int SYNC_EVENT_PRESENTATION_COMPLETE = 1; 704 705 /** 706 * @return command completion status, one of {@link #AUDIO_STATUS_OK}, 707 * {@link #AUDIO_STATUS_ERROR} or {@link #AUDIO_STATUS_SERVER_DIED} 708 */ 709 public static native int setDeviceConnectionState(int device, int state, 710 String device_address, String device_name); 711 public static native int getDeviceConnectionState(int device, String device_address); 712 public static native int handleDeviceConfigChange(int device, 713 String device_address, 714 String device_name); 715 public static native int setPhoneState(int state); 716 public static native int setForceUse(int usage, int config); 717 public static native int getForceUse(int usage); 718 public static native int initStreamVolume(int stream, int indexMin, int indexMax); 719 public static native int setStreamVolumeIndex(int stream, int index, int device); 720 public static native int getStreamVolumeIndex(int stream, int device); 721 public static native int setMasterVolume(float value); 722 public static native float getMasterVolume(); 723 public static native int setMasterMute(boolean mute); 724 public static native boolean getMasterMute(); 725 public static native int getDevicesForStream(int stream); 726 727 /** @hide returns true if master mono is enabled. */ 728 public static native boolean getMasterMono(); 729 /** @hide enables or disables the master mono mode. */ 730 public static native int setMasterMono(boolean mono); 731 732 // helpers for android.media.AudioManager.getProperty(), see description there for meaning 733 public static native int getPrimaryOutputSamplingRate(); 734 public static native int getPrimaryOutputFrameCount(); 735 public static native int getOutputLatency(int stream); 736 737 public static native int setLowRamDevice(boolean isLowRamDevice); 738 public static native int checkAudioFlinger(); 739 740 public static native int listAudioPorts(ArrayList<AudioPort> ports, int[] generation); 741 public static native int createAudioPatch(AudioPatch[] patch, 742 AudioPortConfig[] sources, AudioPortConfig[] sinks); 743 public static native int releaseAudioPatch(AudioPatch patch); 744 public static native int listAudioPatches(ArrayList<AudioPatch> patches, int[] generation); 745 public static native int setAudioPortConfig(AudioPortConfig config); 746 747 // declare this instance as having a dynamic policy callback handler 748 private static native final void native_register_dynamic_policy_callback(); 749 // declare this instance as having a recording configuration update callback handler 750 private static native final void native_register_recording_callback(); 751 752 // must be kept in sync with value in include/system/audio.h 753 public static final int AUDIO_HW_SYNC_INVALID = 0; 754 755 public static native int getAudioHwSyncForSession(int sessionId); 756 757 public static native int registerPolicyMixes(ArrayList<AudioMix> mixes, boolean register); 758 759 public static native int systemReady(); 760 761 // Items shared with audio service 762 763 /** 764 * The delay before playing a sound. This small period exists so the user 765 * can press another key (non-volume keys, too) to have it NOT be audible. 766 * <p> 767 * PhoneWindow will implement this part. 768 */ 769 public static final int PLAY_SOUND_DELAY = 300; 770 771 /** 772 * Constant to identify a focus stack entry that is used to hold the focus while the phone 773 * is ringing or during a call. Used by com.android.internal.telephony.CallManager when 774 * entering and exiting calls. 775 */ 776 public final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls"; 777 778 /** 779 * @see AudioManager#setVibrateSetting(int, int) 780 */ 781 public static int getValueForVibrateSetting(int existingValue, int vibrateType, 782 int vibrateSetting) { 783 784 // First clear the existing setting. Each vibrate type has two bits in 785 // the value. Note '3' is '11' in binary. 786 existingValue &= ~(3 << (vibrateType * 2)); 787 788 // Set into the old value 789 existingValue |= (vibrateSetting & 3) << (vibrateType * 2); 790 791 return existingValue; 792 } 793 794 public static int getDefaultStreamVolume(int streamType) { 795 return DEFAULT_STREAM_VOLUME[streamType]; 796 } 797 798 public static int[] DEFAULT_STREAM_VOLUME = new int[] { 799 4, // STREAM_VOICE_CALL 800 7, // STREAM_SYSTEM 801 5, // STREAM_RING 802 11, // STREAM_MUSIC 803 6, // STREAM_ALARM 804 5, // STREAM_NOTIFICATION 805 7, // STREAM_BLUETOOTH_SCO 806 7, // STREAM_SYSTEM_ENFORCED 807 11, // STREAM_DTMF 808 11, // STREAM_TTS 809 11, // STREAM_ACCESSIBILITY 810 }; 811 812 public static String streamToString(int stream) { 813 if (stream >= 0 && stream < STREAM_NAMES.length) return STREAM_NAMES[stream]; 814 if (stream == AudioManager.USE_DEFAULT_STREAM_TYPE) return "USE_DEFAULT_STREAM_TYPE"; 815 return "UNKNOWN_STREAM_" + stream; 816 } 817 818 /** The platform has no specific capabilities */ 819 public static final int PLATFORM_DEFAULT = 0; 820 /** The platform is voice call capable (a phone) */ 821 public static final int PLATFORM_VOICE = 1; 822 /** The platform is a television or a set-top box */ 823 public static final int PLATFORM_TELEVISION = 2; 824 825 /** 826 * Return the platform type that this is running on. One of: 827 * <ul> 828 * <li>{@link #PLATFORM_VOICE}</li> 829 * <li>{@link #PLATFORM_TELEVISION}</li> 830 * <li>{@link #PLATFORM_DEFAULT}</li> 831 * </ul> 832 */ 833 public static int getPlatformType(Context context) { 834 if (context.getResources().getBoolean(com.android.internal.R.bool.config_voice_capable)) { 835 return PLATFORM_VOICE; 836 } else if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK)) { 837 return PLATFORM_TELEVISION; 838 } else { 839 return PLATFORM_DEFAULT; 840 } 841 } 842 843 /** 844 * @hide 845 * @return whether the system uses a single volume stream. 846 */ 847 public static boolean isSingleVolume(Context context) { 848 boolean forceSingleVolume = context.getResources().getBoolean( 849 com.android.internal.R.bool.config_single_volume); 850 return getPlatformType(context) == PLATFORM_TELEVISION || forceSingleVolume; 851 } 852 853 public static final int DEFAULT_MUTE_STREAMS_AFFECTED = 854 (1 << STREAM_MUSIC) | 855 (1 << STREAM_RING) | 856 (1 << STREAM_NOTIFICATION) | 857 (1 << STREAM_SYSTEM); 858 859 /** 860 * Event posted by AudioTrack and AudioRecord JNI (JNIDeviceCallback) when routing changes. 861 * Keep in sync with core/jni/android_media_DeviceCallback.h. 862 */ 863 final static int NATIVE_EVENT_ROUTING_CHANGE = 1000; 864 } 865 866
