1 /* 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 //#define LOG_NDEBUG 0 19 20 #define LOG_TAG "AudioSystem-JNI" 21 #include <utils/Log.h> 22 23 #include <sstream> 24 #include <vector> 25 #include <jni.h> 26 #include <nativehelper/JNIHelp.h> 27 #include "core_jni_helpers.h" 28 29 #include <media/AudioSystem.h> 30 #include <media/AudioPolicy.h> 31 #include <media/MicrophoneInfo.h> 32 #include <nativehelper/ScopedLocalRef.h> 33 #include <system/audio.h> 34 #include <system/audio_policy.h> 35 #include "android_media_AudioFormat.h" 36 #include "android_media_AudioErrors.h" 37 #include "android_media_MicrophoneInfo.h" 38 39 // ---------------------------------------------------------------------------- 40 41 using namespace android; 42 43 static const char* const kClassPathName = "android/media/AudioSystem"; 44 45 static jclass gArrayListClass; 46 static struct { 47 jmethodID add; 48 jmethodID toArray; 49 } gArrayListMethods; 50 51 static jclass gBooleanClass; 52 static jmethodID gBooleanCstor; 53 54 static jclass gIntegerClass; 55 static jmethodID gIntegerCstor; 56 57 static jclass gMapClass; 58 static jmethodID gMapPut; 59 60 static jclass gAudioHandleClass; 61 static jmethodID gAudioHandleCstor; 62 static struct { 63 jfieldID mId; 64 } gAudioHandleFields; 65 66 static jclass gAudioPortClass; 67 static jmethodID gAudioPortCstor; 68 static struct { 69 jfieldID mHandle; 70 jfieldID mRole; 71 jfieldID mGains; 72 jfieldID mActiveConfig; 73 // other fields unused by JNI 74 } gAudioPortFields; 75 76 static jclass gAudioPortConfigClass; 77 static jmethodID gAudioPortConfigCstor; 78 static struct { 79 jfieldID mPort; 80 jfieldID mSamplingRate; 81 jfieldID mChannelMask; 82 jfieldID mFormat; 83 jfieldID mGain; 84 jfieldID mConfigMask; 85 } gAudioPortConfigFields; 86 87 static jclass gAudioDevicePortClass; 88 static jmethodID gAudioDevicePortCstor; 89 90 static jclass gAudioDevicePortConfigClass; 91 static jmethodID gAudioDevicePortConfigCstor; 92 93 static jclass gAudioMixPortClass; 94 static jmethodID gAudioMixPortCstor; 95 96 static jclass gAudioMixPortConfigClass; 97 static jmethodID gAudioMixPortConfigCstor; 98 99 static jclass gAudioGainClass; 100 static jmethodID gAudioGainCstor; 101 102 static jclass gAudioGainConfigClass; 103 static jmethodID gAudioGainConfigCstor; 104 static struct { 105 jfieldID mIndex; 106 jfieldID mMode; 107 jfieldID mChannelMask; 108 jfieldID mValues; 109 jfieldID mRampDurationMs; 110 // other fields unused by JNI 111 } gAudioGainConfigFields; 112 113 static jclass gAudioPatchClass; 114 static jmethodID gAudioPatchCstor; 115 static struct { 116 jfieldID mHandle; 117 // other fields unused by JNI 118 } gAudioPatchFields; 119 120 static jclass gAudioMixClass; 121 static struct { 122 jfieldID mRule; 123 jfieldID mFormat; 124 jfieldID mRouteFlags; 125 jfieldID mDeviceType; 126 jfieldID mDeviceAddress; 127 jfieldID mMixType; 128 jfieldID mCallbackFlags; 129 } gAudioMixFields; 130 131 static jclass gAudioFormatClass; 132 static struct { 133 jfieldID mEncoding; 134 jfieldID mSampleRate; 135 jfieldID mChannelMask; 136 // other fields unused by JNI 137 } gAudioFormatFields; 138 139 static jclass gAudioMixingRuleClass; 140 static struct { 141 jfieldID mCriteria; 142 // other fields unused by JNI 143 } gAudioMixingRuleFields; 144 145 static jclass gAudioMixMatchCriterionClass; 146 static struct { 147 jfieldID mAttr; 148 jfieldID mIntProp; 149 jfieldID mRule; 150 } gAudioMixMatchCriterionFields; 151 152 static jclass gAudioAttributesClass; 153 static struct { 154 jfieldID mUsage; 155 jfieldID mSource; 156 } gAudioAttributesFields; 157 158 static const char* const kEventHandlerClassPathName = 159 "android/media/AudioPortEventHandler"; 160 static struct { 161 jfieldID mJniCallback; 162 } gEventHandlerFields; 163 static struct { 164 jmethodID postEventFromNative; 165 } gAudioPortEventHandlerMethods; 166 167 static struct { 168 jmethodID postDynPolicyEventFromNative; 169 jmethodID postRecordConfigEventFromNative; 170 } gAudioPolicyEventHandlerMethods; 171 172 static Mutex gLock; 173 174 enum AudioError { 175 kAudioStatusOk = 0, 176 kAudioStatusError = 1, 177 kAudioStatusMediaServerDied = 100 178 }; 179 180 enum { 181 AUDIOPORT_EVENT_PORT_LIST_UPDATED = 1, 182 AUDIOPORT_EVENT_PATCH_LIST_UPDATED = 2, 183 AUDIOPORT_EVENT_SERVICE_DIED = 3, 184 }; 185 186 #define MAX_PORT_GENERATION_SYNC_ATTEMPTS 5 187 188 // ---------------------------------------------------------------------------- 189 // ref-counted object for audio port callbacks 190 class JNIAudioPortCallback: public AudioSystem::AudioPortCallback 191 { 192 public: 193 JNIAudioPortCallback(JNIEnv* env, jobject thiz, jobject weak_thiz); 194 ~JNIAudioPortCallback(); 195 196 virtual void onAudioPortListUpdate(); 197 virtual void onAudioPatchListUpdate(); 198 virtual void onServiceDied(); 199 200 private: 201 void sendEvent(int event); 202 203 jclass mClass; // Reference to AudioPortEventHandler class 204 jobject mObject; // Weak ref to AudioPortEventHandler Java object to call on 205 }; 206 207 JNIAudioPortCallback::JNIAudioPortCallback(JNIEnv* env, jobject thiz, jobject weak_thiz) 208 { 209 210 // Hold onto the AudioPortEventHandler class for use in calling the static method 211 // that posts events to the application thread. 212 jclass clazz = env->GetObjectClass(thiz); 213 if (clazz == NULL) { 214 ALOGE("Can't find class %s", kEventHandlerClassPathName); 215 return; 216 } 217 mClass = (jclass)env->NewGlobalRef(clazz); 218 219 // We use a weak reference so the AudioPortEventHandler object can be garbage collected. 220 // The reference is only used as a proxy for callbacks. 221 mObject = env->NewGlobalRef(weak_thiz); 222 } 223 224 JNIAudioPortCallback::~JNIAudioPortCallback() 225 { 226 // remove global references 227 JNIEnv *env = AndroidRuntime::getJNIEnv(); 228 if (env == NULL) { 229 return; 230 } 231 env->DeleteGlobalRef(mObject); 232 env->DeleteGlobalRef(mClass); 233 } 234 235 void JNIAudioPortCallback::sendEvent(int event) 236 { 237 JNIEnv *env = AndroidRuntime::getJNIEnv(); 238 if (env == NULL) { 239 return; 240 } 241 env->CallStaticVoidMethod(mClass, gAudioPortEventHandlerMethods.postEventFromNative, mObject, 242 event, 0, 0, NULL); 243 if (env->ExceptionCheck()) { 244 ALOGW("An exception occurred while notifying an event."); 245 env->ExceptionClear(); 246 } 247 } 248 249 void JNIAudioPortCallback::onAudioPortListUpdate() 250 { 251 sendEvent(AUDIOPORT_EVENT_PORT_LIST_UPDATED); 252 } 253 254 void JNIAudioPortCallback::onAudioPatchListUpdate() 255 { 256 sendEvent(AUDIOPORT_EVENT_PATCH_LIST_UPDATED); 257 } 258 259 void JNIAudioPortCallback::onServiceDied() 260 { 261 sendEvent(AUDIOPORT_EVENT_SERVICE_DIED); 262 } 263 264 static sp<JNIAudioPortCallback> setJniCallback(JNIEnv* env, 265 jobject thiz, 266 const sp<JNIAudioPortCallback>& callback) 267 { 268 Mutex::Autolock l(gLock); 269 sp<JNIAudioPortCallback> old = 270 (JNIAudioPortCallback*)env->GetLongField(thiz, gEventHandlerFields.mJniCallback); 271 if (callback.get()) { 272 callback->incStrong((void*)setJniCallback); 273 } 274 if (old != 0) { 275 old->decStrong((void*)setJniCallback); 276 } 277 env->SetLongField(thiz, gEventHandlerFields.mJniCallback, (jlong)callback.get()); 278 return old; 279 } 280 281 static int check_AudioSystem_Command(status_t status) 282 { 283 switch (status) { 284 case DEAD_OBJECT: 285 return kAudioStatusMediaServerDied; 286 case NO_ERROR: 287 return kAudioStatusOk; 288 default: 289 break; 290 } 291 return kAudioStatusError; 292 } 293 294 static jint 295 android_media_AudioSystem_muteMicrophone(JNIEnv *env, jobject thiz, jboolean on) 296 { 297 return (jint) check_AudioSystem_Command(AudioSystem::muteMicrophone(on)); 298 } 299 300 static jboolean 301 android_media_AudioSystem_isMicrophoneMuted(JNIEnv *env, jobject thiz) 302 { 303 bool state = false; 304 AudioSystem::isMicrophoneMuted(&state); 305 return state; 306 } 307 308 static jboolean 309 android_media_AudioSystem_isStreamActive(JNIEnv *env, jobject thiz, jint stream, jint inPastMs) 310 { 311 bool state = false; 312 AudioSystem::isStreamActive((audio_stream_type_t) stream, &state, inPastMs); 313 return state; 314 } 315 316 static jboolean 317 android_media_AudioSystem_isStreamActiveRemotely(JNIEnv *env, jobject thiz, jint stream, 318 jint inPastMs) 319 { 320 bool state = false; 321 AudioSystem::isStreamActiveRemotely((audio_stream_type_t) stream, &state, inPastMs); 322 return state; 323 } 324 325 static jboolean 326 android_media_AudioSystem_isSourceActive(JNIEnv *env, jobject thiz, jint source) 327 { 328 bool state = false; 329 AudioSystem::isSourceActive((audio_source_t) source, &state); 330 return state; 331 } 332 333 static jint 334 android_media_AudioSystem_newAudioSessionId(JNIEnv *env, jobject thiz) 335 { 336 return AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION); 337 } 338 339 static jint 340 android_media_AudioSystem_newAudioPlayerId(JNIEnv *env, jobject thiz) 341 { 342 return AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_PLAYER); 343 } 344 345 static jint 346 android_media_AudioSystem_setParameters(JNIEnv *env, jobject thiz, jstring keyValuePairs) 347 { 348 const jchar* c_keyValuePairs = env->GetStringCritical(keyValuePairs, 0); 349 String8 c_keyValuePairs8; 350 if (keyValuePairs) { 351 c_keyValuePairs8 = String8( 352 reinterpret_cast<const char16_t*>(c_keyValuePairs), 353 env->GetStringLength(keyValuePairs)); 354 env->ReleaseStringCritical(keyValuePairs, c_keyValuePairs); 355 } 356 int status = check_AudioSystem_Command(AudioSystem::setParameters(c_keyValuePairs8)); 357 return (jint) status; 358 } 359 360 static jstring 361 android_media_AudioSystem_getParameters(JNIEnv *env, jobject thiz, jstring keys) 362 { 363 const jchar* c_keys = env->GetStringCritical(keys, 0); 364 String8 c_keys8; 365 if (keys) { 366 c_keys8 = String8(reinterpret_cast<const char16_t*>(c_keys), 367 env->GetStringLength(keys)); 368 env->ReleaseStringCritical(keys, c_keys); 369 } 370 return env->NewStringUTF(AudioSystem::getParameters(c_keys8).string()); 371 } 372 373 static void 374 android_media_AudioSystem_error_callback(status_t err) 375 { 376 JNIEnv *env = AndroidRuntime::getJNIEnv(); 377 if (env == NULL) { 378 return; 379 } 380 381 jclass clazz = env->FindClass(kClassPathName); 382 383 env->CallStaticVoidMethod(clazz, env->GetStaticMethodID(clazz, 384 "errorCallbackFromNative","(I)V"), 385 check_AudioSystem_Command(err)); 386 387 env->DeleteLocalRef(clazz); 388 } 389 390 static void 391 android_media_AudioSystem_dyn_policy_callback(int event, String8 regId, int val) 392 { 393 JNIEnv *env = AndroidRuntime::getJNIEnv(); 394 if (env == NULL) { 395 return; 396 } 397 398 jclass clazz = env->FindClass(kClassPathName); 399 const char* zechars = regId.string(); 400 jstring zestring = env->NewStringUTF(zechars); 401 402 env->CallStaticVoidMethod(clazz, gAudioPolicyEventHandlerMethods.postDynPolicyEventFromNative, 403 event, zestring, val); 404 405 env->ReleaseStringUTFChars(zestring, zechars); 406 env->DeleteLocalRef(clazz); 407 } 408 409 static void 410 android_media_AudioSystem_recording_callback(int event, const record_client_info_t *clientInfo, 411 const audio_config_base_t *clientConfig, const audio_config_base_t *deviceConfig, 412 audio_patch_handle_t patchHandle) 413 { 414 JNIEnv *env = AndroidRuntime::getJNIEnv(); 415 if (env == NULL) { 416 return; 417 } 418 if (clientInfo == NULL || clientConfig == NULL || deviceConfig == NULL) { 419 ALOGE("Unexpected null client/device info or configurations in recording callback"); 420 return; 421 } 422 423 // create an array for 2*3 integers to store the record configurations (client + device) 424 // plus 1 integer for the patch handle 425 const int REC_PARAM_SIZE = 7; 426 jintArray recParamArray = env->NewIntArray(REC_PARAM_SIZE); 427 if (recParamArray == NULL) { 428 ALOGE("recording callback: Couldn't allocate int array for configuration data"); 429 return; 430 } 431 jint recParamData[REC_PARAM_SIZE]; 432 recParamData[0] = (jint) audioFormatFromNative(clientConfig->format); 433 // FIXME this doesn't support index-based masks 434 recParamData[1] = (jint) inChannelMaskFromNative(clientConfig->channel_mask); 435 recParamData[2] = (jint) clientConfig->sample_rate; 436 recParamData[3] = (jint) audioFormatFromNative(deviceConfig->format); 437 // FIXME this doesn't support index-based masks 438 recParamData[4] = (jint) inChannelMaskFromNative(deviceConfig->channel_mask); 439 recParamData[5] = (jint) deviceConfig->sample_rate; 440 recParamData[6] = (jint) patchHandle; 441 env->SetIntArrayRegion(recParamArray, 0, REC_PARAM_SIZE, recParamData); 442 443 // callback into java 444 jclass clazz = env->FindClass(kClassPathName); 445 env->CallStaticVoidMethod(clazz, 446 gAudioPolicyEventHandlerMethods.postRecordConfigEventFromNative, 447 event, (jint) clientInfo->uid, clientInfo->session, clientInfo->source, recParamArray); 448 env->DeleteLocalRef(clazz); 449 450 env->DeleteLocalRef(recParamArray); 451 } 452 453 static jint 454 android_media_AudioSystem_setDeviceConnectionState(JNIEnv *env, jobject thiz, jint device, jint state, jstring device_address, jstring device_name) 455 { 456 const char *c_address = env->GetStringUTFChars(device_address, NULL); 457 const char *c_name = env->GetStringUTFChars(device_name, NULL); 458 int status = check_AudioSystem_Command(AudioSystem::setDeviceConnectionState(static_cast <audio_devices_t>(device), 459 static_cast <audio_policy_dev_state_t>(state), 460 c_address, c_name)); 461 env->ReleaseStringUTFChars(device_address, c_address); 462 env->ReleaseStringUTFChars(device_name, c_name); 463 return (jint) status; 464 } 465 466 static jint 467 android_media_AudioSystem_getDeviceConnectionState(JNIEnv *env, jobject thiz, jint device, jstring device_address) 468 { 469 const char *c_address = env->GetStringUTFChars(device_address, NULL); 470 int state = static_cast <int>(AudioSystem::getDeviceConnectionState(static_cast <audio_devices_t>(device), 471 c_address)); 472 env->ReleaseStringUTFChars(device_address, c_address); 473 return (jint) state; 474 } 475 476 static jint 477 android_media_AudioSystem_handleDeviceConfigChange(JNIEnv *env, jobject thiz, jint device, jstring device_address, jstring device_name) 478 { 479 const char *c_address = env->GetStringUTFChars(device_address, NULL); 480 const char *c_name = env->GetStringUTFChars(device_name, NULL); 481 int status = check_AudioSystem_Command(AudioSystem::handleDeviceConfigChange(static_cast <audio_devices_t>(device), 482 c_address, c_name)); 483 env->ReleaseStringUTFChars(device_address, c_address); 484 env->ReleaseStringUTFChars(device_name, c_name); 485 return (jint) status; 486 } 487 488 static jint 489 android_media_AudioSystem_setPhoneState(JNIEnv *env, jobject thiz, jint state) 490 { 491 return (jint) check_AudioSystem_Command(AudioSystem::setPhoneState((audio_mode_t) state)); 492 } 493 494 static jint 495 android_media_AudioSystem_setForceUse(JNIEnv *env, jobject thiz, jint usage, jint config) 496 { 497 return (jint) check_AudioSystem_Command(AudioSystem::setForceUse(static_cast <audio_policy_force_use_t>(usage), 498 static_cast <audio_policy_forced_cfg_t>(config))); 499 } 500 501 static jint 502 android_media_AudioSystem_getForceUse(JNIEnv *env, jobject thiz, jint usage) 503 { 504 return static_cast <jint>(AudioSystem::getForceUse(static_cast <audio_policy_force_use_t>(usage))); 505 } 506 507 static jint 508 android_media_AudioSystem_initStreamVolume(JNIEnv *env, jobject thiz, jint stream, jint indexMin, jint indexMax) 509 { 510 return (jint) check_AudioSystem_Command(AudioSystem::initStreamVolume(static_cast <audio_stream_type_t>(stream), 511 indexMin, 512 indexMax)); 513 } 514 515 static jint 516 android_media_AudioSystem_setStreamVolumeIndex(JNIEnv *env, 517 jobject thiz, 518 jint stream, 519 jint index, 520 jint device) 521 { 522 return (jint) check_AudioSystem_Command( 523 AudioSystem::setStreamVolumeIndex(static_cast <audio_stream_type_t>(stream), 524 index, 525 (audio_devices_t)device)); 526 } 527 528 static jint 529 android_media_AudioSystem_getStreamVolumeIndex(JNIEnv *env, 530 jobject thiz, 531 jint stream, 532 jint device) 533 { 534 int index; 535 if (AudioSystem::getStreamVolumeIndex(static_cast <audio_stream_type_t>(stream), 536 &index, 537 (audio_devices_t)device) 538 != NO_ERROR) { 539 index = -1; 540 } 541 return (jint) index; 542 } 543 544 static jint 545 android_media_AudioSystem_setMasterVolume(JNIEnv *env, jobject thiz, jfloat value) 546 { 547 return (jint) check_AudioSystem_Command(AudioSystem::setMasterVolume(value)); 548 } 549 550 static jfloat 551 android_media_AudioSystem_getMasterVolume(JNIEnv *env, jobject thiz) 552 { 553 float value; 554 if (AudioSystem::getMasterVolume(&value) != NO_ERROR) { 555 value = -1.0; 556 } 557 return value; 558 } 559 560 static jint 561 android_media_AudioSystem_setMasterMute(JNIEnv *env, jobject thiz, jboolean mute) 562 { 563 return (jint) check_AudioSystem_Command(AudioSystem::setMasterMute(mute)); 564 } 565 566 static jboolean 567 android_media_AudioSystem_getMasterMute(JNIEnv *env, jobject thiz) 568 { 569 bool mute; 570 if (AudioSystem::getMasterMute(&mute) != NO_ERROR) { 571 mute = false; 572 } 573 return mute; 574 } 575 576 static jint 577 android_media_AudioSystem_setMasterMono(JNIEnv *env, jobject thiz, jboolean mono) 578 { 579 return (jint) check_AudioSystem_Command(AudioSystem::setMasterMono(mono)); 580 } 581 582 static jboolean 583 android_media_AudioSystem_getMasterMono(JNIEnv *env, jobject thiz) 584 { 585 bool mono; 586 if (AudioSystem::getMasterMono(&mono) != NO_ERROR) { 587 mono = false; 588 } 589 return mono; 590 } 591 592 static jint 593 android_media_AudioSystem_getDevicesForStream(JNIEnv *env, jobject thiz, jint stream) 594 { 595 return (jint) AudioSystem::getDevicesForStream(static_cast <audio_stream_type_t>(stream)); 596 } 597 598 static jint 599 android_media_AudioSystem_getPrimaryOutputSamplingRate(JNIEnv *env, jobject clazz) 600 { 601 return (jint) AudioSystem::getPrimaryOutputSamplingRate(); 602 } 603 604 static jint 605 android_media_AudioSystem_getPrimaryOutputFrameCount(JNIEnv *env, jobject clazz) 606 { 607 return (jint) AudioSystem::getPrimaryOutputFrameCount(); 608 } 609 610 static jint 611 android_media_AudioSystem_getOutputLatency(JNIEnv *env, jobject clazz, jint stream) 612 { 613 uint32_t afLatency; 614 if (AudioSystem::getOutputLatency(&afLatency, static_cast <audio_stream_type_t>(stream)) 615 != NO_ERROR) { 616 afLatency = -1; 617 } 618 return (jint) afLatency; 619 } 620 621 static jint 622 android_media_AudioSystem_setLowRamDevice( 623 JNIEnv *env, jobject clazz, jboolean isLowRamDevice, jlong totalMemory) 624 { 625 return (jint) AudioSystem::setLowRamDevice((bool) isLowRamDevice, (int64_t) totalMemory); 626 } 627 628 static jint 629 android_media_AudioSystem_checkAudioFlinger(JNIEnv *env, jobject clazz) 630 { 631 return (jint) check_AudioSystem_Command(AudioSystem::checkAudioFlinger()); 632 } 633 634 635 static bool useInChannelMask(audio_port_type_t type, audio_port_role_t role) 636 { 637 return ((type == AUDIO_PORT_TYPE_DEVICE) && (role == AUDIO_PORT_ROLE_SOURCE)) || 638 ((type == AUDIO_PORT_TYPE_MIX) && (role == AUDIO_PORT_ROLE_SINK)); 639 } 640 641 static void convertAudioGainConfigToNative(JNIEnv *env, 642 struct audio_gain_config *nAudioGainConfig, 643 const jobject jAudioGainConfig, 644 bool useInMask) 645 { 646 nAudioGainConfig->index = env->GetIntField(jAudioGainConfig, gAudioGainConfigFields.mIndex); 647 nAudioGainConfig->mode = env->GetIntField(jAudioGainConfig, gAudioGainConfigFields.mMode); 648 ALOGV("convertAudioGainConfigToNative got gain index %d", nAudioGainConfig->index); 649 jint jMask = env->GetIntField(jAudioGainConfig, gAudioGainConfigFields.mChannelMask); 650 audio_channel_mask_t nMask; 651 if (useInMask) { 652 nMask = inChannelMaskToNative(jMask); 653 ALOGV("convertAudioGainConfigToNative IN mask java %x native %x", jMask, nMask); 654 } else { 655 nMask = outChannelMaskToNative(jMask); 656 ALOGV("convertAudioGainConfigToNative OUT mask java %x native %x", jMask, nMask); 657 } 658 nAudioGainConfig->channel_mask = nMask; 659 nAudioGainConfig->ramp_duration_ms = env->GetIntField(jAudioGainConfig, 660 gAudioGainConfigFields.mRampDurationMs); 661 jintArray jValues = (jintArray)env->GetObjectField(jAudioGainConfig, 662 gAudioGainConfigFields.mValues); 663 int *nValues = env->GetIntArrayElements(jValues, NULL); 664 size_t size = env->GetArrayLength(jValues); 665 memcpy(nAudioGainConfig->values, nValues, size * sizeof(int)); 666 env->DeleteLocalRef(jValues); 667 } 668 669 670 static jint convertAudioPortConfigToNative(JNIEnv *env, 671 struct audio_port_config *nAudioPortConfig, 672 const jobject jAudioPortConfig, 673 bool useConfigMask) 674 { 675 jobject jAudioPort = env->GetObjectField(jAudioPortConfig, gAudioPortConfigFields.mPort); 676 jobject jHandle = env->GetObjectField(jAudioPort, gAudioPortFields.mHandle); 677 nAudioPortConfig->id = env->GetIntField(jHandle, gAudioHandleFields.mId); 678 nAudioPortConfig->role = (audio_port_role_t)env->GetIntField(jAudioPort, 679 gAudioPortFields.mRole); 680 if (env->IsInstanceOf(jAudioPort, gAudioDevicePortClass)) { 681 nAudioPortConfig->type = AUDIO_PORT_TYPE_DEVICE; 682 } else if (env->IsInstanceOf(jAudioPort, gAudioMixPortClass)) { 683 nAudioPortConfig->type = AUDIO_PORT_TYPE_MIX; 684 } else { 685 env->DeleteLocalRef(jAudioPort); 686 env->DeleteLocalRef(jHandle); 687 return (jint)AUDIO_JAVA_ERROR; 688 } 689 ALOGV("convertAudioPortConfigToNative handle %d role %d type %d", 690 nAudioPortConfig->id, nAudioPortConfig->role, nAudioPortConfig->type); 691 692 unsigned int configMask = 0; 693 694 nAudioPortConfig->sample_rate = env->GetIntField(jAudioPortConfig, 695 gAudioPortConfigFields.mSamplingRate); 696 if (nAudioPortConfig->sample_rate != 0) { 697 configMask |= AUDIO_PORT_CONFIG_SAMPLE_RATE; 698 } 699 700 bool useInMask = useInChannelMask(nAudioPortConfig->type, nAudioPortConfig->role); 701 audio_channel_mask_t nMask; 702 jint jMask = env->GetIntField(jAudioPortConfig, 703 gAudioPortConfigFields.mChannelMask); 704 if (useInMask) { 705 nMask = inChannelMaskToNative(jMask); 706 ALOGV("convertAudioPortConfigToNative IN mask java %x native %x", jMask, nMask); 707 } else { 708 nMask = outChannelMaskToNative(jMask); 709 ALOGV("convertAudioPortConfigToNative OUT mask java %x native %x", jMask, nMask); 710 } 711 nAudioPortConfig->channel_mask = nMask; 712 if (nAudioPortConfig->channel_mask != AUDIO_CHANNEL_NONE) { 713 configMask |= AUDIO_PORT_CONFIG_CHANNEL_MASK; 714 } 715 716 jint jFormat = env->GetIntField(jAudioPortConfig, gAudioPortConfigFields.mFormat); 717 audio_format_t nFormat = audioFormatToNative(jFormat); 718 ALOGV("convertAudioPortConfigToNative format %d native %d", jFormat, nFormat); 719 nAudioPortConfig->format = nFormat; 720 if (nAudioPortConfig->format != AUDIO_FORMAT_DEFAULT && 721 nAudioPortConfig->format != AUDIO_FORMAT_INVALID) { 722 configMask |= AUDIO_PORT_CONFIG_FORMAT; 723 } 724 725 jobject jGain = env->GetObjectField(jAudioPortConfig, gAudioPortConfigFields.mGain); 726 if (jGain != NULL) { 727 convertAudioGainConfigToNative(env, &nAudioPortConfig->gain, jGain, useInMask); 728 env->DeleteLocalRef(jGain); 729 configMask |= AUDIO_PORT_CONFIG_GAIN; 730 } else { 731 ALOGV("convertAudioPortConfigToNative no gain"); 732 nAudioPortConfig->gain.index = -1; 733 } 734 if (useConfigMask) { 735 nAudioPortConfig->config_mask = env->GetIntField(jAudioPortConfig, 736 gAudioPortConfigFields.mConfigMask); 737 } else { 738 nAudioPortConfig->config_mask = configMask; 739 } 740 env->DeleteLocalRef(jAudioPort); 741 env->DeleteLocalRef(jHandle); 742 return (jint)AUDIO_JAVA_SUCCESS; 743 } 744 745 static jint convertAudioPortConfigFromNative(JNIEnv *env, 746 jobject jAudioPort, 747 jobject *jAudioPortConfig, 748 const struct audio_port_config *nAudioPortConfig) 749 { 750 jint jStatus = AUDIO_JAVA_SUCCESS; 751 jobject jAudioGainConfig = NULL; 752 jobject jAudioGain = NULL; 753 jintArray jGainValues; 754 bool audioportCreated = false; 755 756 ALOGV("convertAudioPortConfigFromNative jAudioPort %p", jAudioPort); 757 758 if (jAudioPort == NULL) { 759 jobject jHandle = env->NewObject(gAudioHandleClass, gAudioHandleCstor, 760 nAudioPortConfig->id); 761 762 ALOGV("convertAudioPortConfigFromNative handle %d is a %s", nAudioPortConfig->id, 763 nAudioPortConfig->type == AUDIO_PORT_TYPE_DEVICE ? "device" : "mix"); 764 765 if (jHandle == NULL) { 766 return (jint)AUDIO_JAVA_ERROR; 767 } 768 // create dummy port and port config objects with just the correct handle 769 // and configuration data. The actual AudioPortConfig objects will be 770 // constructed by java code with correct class type (device, mix etc...) 771 // and reference to AudioPort instance in this client 772 jAudioPort = env->NewObject(gAudioPortClass, gAudioPortCstor, 773 jHandle, // handle 774 0, // role 775 NULL, // name 776 NULL, // samplingRates 777 NULL, // channelMasks 778 NULL, // channelIndexMasks 779 NULL, // formats 780 NULL); // gains 781 env->DeleteLocalRef(jHandle); 782 if (jAudioPort == NULL) { 783 return (jint)AUDIO_JAVA_ERROR; 784 } 785 ALOGV("convertAudioPortConfigFromNative jAudioPort created for handle %d", 786 nAudioPortConfig->id); 787 788 audioportCreated = true; 789 } 790 791 bool useInMask = useInChannelMask(nAudioPortConfig->type, nAudioPortConfig->role); 792 793 audio_channel_mask_t nMask; 794 jint jMask; 795 796 int gainIndex = nAudioPortConfig->gain.index; 797 if (gainIndex >= 0) { 798 ALOGV("convertAudioPortConfigFromNative gain found with index %d mode %x", 799 gainIndex, nAudioPortConfig->gain.mode); 800 if (audioportCreated) { 801 ALOGV("convertAudioPortConfigFromNative creating gain"); 802 jAudioGain = env->NewObject(gAudioGainClass, gAudioGainCstor, 803 gainIndex, 804 0, 805 0, 806 0, 807 0, 808 0, 809 0, 810 0, 811 0); 812 if (jAudioGain == NULL) { 813 ALOGV("convertAudioPortConfigFromNative creating gain FAILED"); 814 jStatus = (jint)AUDIO_JAVA_ERROR; 815 goto exit; 816 } 817 } else { 818 ALOGV("convertAudioPortConfigFromNative reading gain from port"); 819 jobjectArray jGains = (jobjectArray)env->GetObjectField(jAudioPort, 820 gAudioPortFields.mGains); 821 if (jGains == NULL) { 822 ALOGV("convertAudioPortConfigFromNative could not get gains from port"); 823 jStatus = (jint)AUDIO_JAVA_ERROR; 824 goto exit; 825 } 826 jAudioGain = env->GetObjectArrayElement(jGains, gainIndex); 827 env->DeleteLocalRef(jGains); 828 if (jAudioGain == NULL) { 829 ALOGV("convertAudioPortConfigFromNative could not get gain at index %d", gainIndex); 830 jStatus = (jint)AUDIO_JAVA_ERROR; 831 goto exit; 832 } 833 } 834 int numValues; 835 if (useInMask) { 836 numValues = audio_channel_count_from_in_mask(nAudioPortConfig->gain.channel_mask); 837 } else { 838 numValues = audio_channel_count_from_out_mask(nAudioPortConfig->gain.channel_mask); 839 } 840 jGainValues = env->NewIntArray(numValues); 841 if (jGainValues == NULL) { 842 ALOGV("convertAudioPortConfigFromNative could not create gain values %d", numValues); 843 jStatus = (jint)AUDIO_JAVA_ERROR; 844 goto exit; 845 } 846 env->SetIntArrayRegion(jGainValues, 0, numValues, 847 nAudioPortConfig->gain.values); 848 849 nMask = nAudioPortConfig->gain.channel_mask; 850 if (useInMask) { 851 jMask = inChannelMaskFromNative(nMask); 852 ALOGV("convertAudioPortConfigFromNative IN mask java %x native %x", jMask, nMask); 853 } else { 854 jMask = outChannelMaskFromNative(nMask); 855 ALOGV("convertAudioPortConfigFromNative OUT mask java %x native %x", jMask, nMask); 856 } 857 858 jAudioGainConfig = env->NewObject(gAudioGainConfigClass, 859 gAudioGainConfigCstor, 860 gainIndex, 861 jAudioGain, 862 nAudioPortConfig->gain.mode, 863 jMask, 864 jGainValues, 865 nAudioPortConfig->gain.ramp_duration_ms); 866 env->DeleteLocalRef(jGainValues); 867 if (jAudioGainConfig == NULL) { 868 ALOGV("convertAudioPortConfigFromNative could not create gain config"); 869 jStatus = (jint)AUDIO_JAVA_ERROR; 870 goto exit; 871 } 872 } 873 jclass clazz; 874 jmethodID methodID; 875 if (audioportCreated) { 876 clazz = gAudioPortConfigClass; 877 methodID = gAudioPortConfigCstor; 878 ALOGV("convertAudioPortConfigFromNative building a generic port config"); 879 } else { 880 if (env->IsInstanceOf(jAudioPort, gAudioDevicePortClass)) { 881 clazz = gAudioDevicePortConfigClass; 882 methodID = gAudioDevicePortConfigCstor; 883 ALOGV("convertAudioPortConfigFromNative building a device config"); 884 } else if (env->IsInstanceOf(jAudioPort, gAudioMixPortClass)) { 885 clazz = gAudioMixPortConfigClass; 886 methodID = gAudioMixPortConfigCstor; 887 ALOGV("convertAudioPortConfigFromNative building a mix config"); 888 } else { 889 jStatus = (jint)AUDIO_JAVA_ERROR; 890 goto exit; 891 } 892 } 893 nMask = nAudioPortConfig->channel_mask; 894 if (useInMask) { 895 jMask = inChannelMaskFromNative(nMask); 896 ALOGV("convertAudioPortConfigFromNative IN mask java %x native %x", jMask, nMask); 897 } else { 898 jMask = outChannelMaskFromNative(nMask); 899 ALOGV("convertAudioPortConfigFromNative OUT mask java %x native %x", jMask, nMask); 900 } 901 902 *jAudioPortConfig = env->NewObject(clazz, methodID, 903 jAudioPort, 904 nAudioPortConfig->sample_rate, 905 jMask, 906 audioFormatFromNative(nAudioPortConfig->format), 907 jAudioGainConfig); 908 if (*jAudioPortConfig == NULL) { 909 ALOGV("convertAudioPortConfigFromNative could not create new port config"); 910 jStatus = (jint)AUDIO_JAVA_ERROR; 911 } else { 912 ALOGV("convertAudioPortConfigFromNative OK"); 913 } 914 915 exit: 916 if (audioportCreated) { 917 env->DeleteLocalRef(jAudioPort); 918 if (jAudioGain != NULL) { 919 env->DeleteLocalRef(jAudioGain); 920 } 921 } 922 if (jAudioGainConfig != NULL) { 923 env->DeleteLocalRef(jAudioGainConfig); 924 } 925 return jStatus; 926 } 927 928 static bool hasFormat(int* formats, size_t size, int format) { 929 for (size_t index = 0; index < size; index++) { 930 if (formats[index] == format) { 931 return true; // found 932 } 933 } 934 return false; // not found 935 } 936 937 // TODO: pull out to separate file 938 template <typename T, size_t N> 939 static constexpr size_t array_size(const T (&)[N]) { 940 return N; 941 } 942 943 static jint convertAudioPortFromNative(JNIEnv *env, 944 jobject *jAudioPort, const struct audio_port *nAudioPort) 945 { 946 jint jStatus = (jint)AUDIO_JAVA_SUCCESS; 947 jintArray jSamplingRates = NULL; 948 jintArray jChannelMasks = NULL; 949 jintArray jChannelIndexMasks = NULL; 950 int* cFormats = NULL; 951 jintArray jFormats = NULL; 952 jobjectArray jGains = NULL; 953 jobject jHandle = NULL; 954 jstring jDeviceName = NULL; 955 bool useInMask; 956 size_t numPositionMasks = 0; 957 size_t numIndexMasks = 0; 958 size_t numUniqueFormats = 0; 959 960 ALOGV("convertAudioPortFromNative id %d role %d type %d name %s", 961 nAudioPort->id, nAudioPort->role, nAudioPort->type, nAudioPort->name); 962 963 // Verify audio port array count info. 964 if (nAudioPort->num_sample_rates > array_size(nAudioPort->sample_rates) 965 || nAudioPort->num_channel_masks > array_size(nAudioPort->channel_masks) 966 || nAudioPort->num_formats > array_size(nAudioPort->formats) 967 || nAudioPort->num_gains > array_size(nAudioPort->gains)) { 968 969 std::stringstream ss; 970 ss << "convertAudioPortFromNative array count out of bounds:" 971 << " num_sample_rates " << nAudioPort->num_sample_rates 972 << " num_channel_masks " << nAudioPort->num_channel_masks 973 << " num_formats " << nAudioPort->num_formats 974 << " num_gains " << nAudioPort->num_gains 975 ; 976 std::string s = ss.str(); 977 978 // Prefer to log through Java wtf instead of native ALOGE. 979 ScopedLocalRef<jclass> jLogClass(env, env->FindClass("android/util/Log")); 980 jmethodID jWtfId = (jLogClass.get() == nullptr) 981 ? nullptr 982 : env->GetStaticMethodID(jLogClass.get(), "wtf", 983 "(Ljava/lang/String;Ljava/lang/String;)I"); 984 if (jWtfId != nullptr) { 985 ScopedLocalRef<jstring> jMessage(env, env->NewStringUTF(s.c_str())); 986 ScopedLocalRef<jstring> jTag(env, env->NewStringUTF(LOG_TAG)); 987 (void)env->CallStaticIntMethod(jLogClass.get(), jWtfId, jTag.get(), jMessage.get()); 988 } else { 989 ALOGE("%s", s.c_str()); 990 } 991 jStatus = (jint)AUDIO_JAVA_ERROR; 992 goto exit; 993 } 994 995 jSamplingRates = env->NewIntArray(nAudioPort->num_sample_rates); 996 if (jSamplingRates == NULL) { 997 jStatus = (jint)AUDIO_JAVA_ERROR; 998 goto exit; 999 } 1000 if (nAudioPort->num_sample_rates) { 1001 env->SetIntArrayRegion(jSamplingRates, 0, nAudioPort->num_sample_rates, 1002 (jint *)nAudioPort->sample_rates); 1003 } 1004 1005 // count up how many masks are positional and indexed 1006 for(size_t index = 0; index < nAudioPort->num_channel_masks; index++) { 1007 const audio_channel_mask_t mask = nAudioPort->channel_masks[index]; 1008 if (audio_channel_mask_get_representation(mask) == AUDIO_CHANNEL_REPRESENTATION_INDEX) { 1009 numIndexMasks++; 1010 } else { 1011 numPositionMasks++; 1012 } 1013 } 1014 1015 jChannelMasks = env->NewIntArray(numPositionMasks); 1016 if (jChannelMasks == NULL) { 1017 jStatus = (jint)AUDIO_JAVA_ERROR; 1018 goto exit; 1019 } 1020 jChannelIndexMasks = env->NewIntArray(numIndexMasks); 1021 if (jChannelIndexMasks == NULL) { 1022 jStatus = (jint)AUDIO_JAVA_ERROR; 1023 goto exit; 1024 } 1025 useInMask = useInChannelMask(nAudioPort->type, nAudioPort->role); 1026 1027 // put the masks in the output arrays 1028 for (size_t maskIndex = 0, posMaskIndex = 0, indexedMaskIndex = 0; 1029 maskIndex < nAudioPort->num_channel_masks; maskIndex++) { 1030 const audio_channel_mask_t mask = nAudioPort->channel_masks[maskIndex]; 1031 if (audio_channel_mask_get_representation(mask) == AUDIO_CHANNEL_REPRESENTATION_INDEX) { 1032 jint jMask = audio_channel_mask_get_bits(mask); 1033 env->SetIntArrayRegion(jChannelIndexMasks, indexedMaskIndex++, 1, &jMask); 1034 } else { 1035 jint jMask = useInMask ? inChannelMaskFromNative(mask) 1036 : outChannelMaskFromNative(mask); 1037 env->SetIntArrayRegion(jChannelMasks, posMaskIndex++, 1, &jMask); 1038 } 1039 } 1040 1041 // formats 1042 if (nAudioPort->num_formats != 0) { 1043 cFormats = new int[nAudioPort->num_formats]; 1044 for (size_t index = 0; index < nAudioPort->num_formats; index++) { 1045 int format = audioFormatFromNative(nAudioPort->formats[index]); 1046 if (!hasFormat(cFormats, numUniqueFormats, format)) { 1047 cFormats[numUniqueFormats++] = format; 1048 } 1049 } 1050 } 1051 jFormats = env->NewIntArray(numUniqueFormats); 1052 if (jFormats == NULL) { 1053 jStatus = (jint)AUDIO_JAVA_ERROR; 1054 goto exit; 1055 } 1056 if (numUniqueFormats != 0) { 1057 env->SetIntArrayRegion(jFormats, 0, numUniqueFormats, cFormats); 1058 } 1059 1060 // gains 1061 jGains = env->NewObjectArray(nAudioPort->num_gains, 1062 gAudioGainClass, NULL); 1063 if (jGains == NULL) { 1064 jStatus = (jint)AUDIO_JAVA_ERROR; 1065 goto exit; 1066 } 1067 1068 for (size_t j = 0; j < nAudioPort->num_gains; j++) { 1069 audio_channel_mask_t nMask = nAudioPort->gains[j].channel_mask; 1070 jint jMask; 1071 if (useInMask) { 1072 jMask = inChannelMaskFromNative(nMask); 1073 ALOGV("convertAudioPortConfigFromNative IN mask java %x native %x", jMask, nMask); 1074 } else { 1075 jMask = outChannelMaskFromNative(nMask); 1076 ALOGV("convertAudioPortConfigFromNative OUT mask java %x native %x", jMask, nMask); 1077 } 1078 1079 jobject jGain = env->NewObject(gAudioGainClass, gAudioGainCstor, 1080 j, 1081 nAudioPort->gains[j].mode, 1082 jMask, 1083 nAudioPort->gains[j].min_value, 1084 nAudioPort->gains[j].max_value, 1085 nAudioPort->gains[j].default_value, 1086 nAudioPort->gains[j].step_value, 1087 nAudioPort->gains[j].min_ramp_ms, 1088 nAudioPort->gains[j].max_ramp_ms); 1089 if (jGain == NULL) { 1090 jStatus = (jint)AUDIO_JAVA_ERROR; 1091 goto exit; 1092 } 1093 env->SetObjectArrayElement(jGains, j, jGain); 1094 env->DeleteLocalRef(jGain); 1095 } 1096 1097 jHandle = env->NewObject(gAudioHandleClass, gAudioHandleCstor, 1098 nAudioPort->id); 1099 if (jHandle == NULL) { 1100 jStatus = (jint)AUDIO_JAVA_ERROR; 1101 goto exit; 1102 } 1103 1104 jDeviceName = env->NewStringUTF(nAudioPort->name); 1105 1106 if (nAudioPort->type == AUDIO_PORT_TYPE_DEVICE) { 1107 ALOGV("convertAudioPortFromNative is a device %08x", nAudioPort->ext.device.type); 1108 jstring jAddress = env->NewStringUTF(nAudioPort->ext.device.address); 1109 *jAudioPort = env->NewObject(gAudioDevicePortClass, gAudioDevicePortCstor, 1110 jHandle, jDeviceName, 1111 jSamplingRates, jChannelMasks, jChannelIndexMasks, 1112 jFormats, jGains, 1113 nAudioPort->ext.device.type, jAddress); 1114 env->DeleteLocalRef(jAddress); 1115 } else if (nAudioPort->type == AUDIO_PORT_TYPE_MIX) { 1116 ALOGV("convertAudioPortFromNative is a mix"); 1117 *jAudioPort = env->NewObject(gAudioMixPortClass, gAudioMixPortCstor, 1118 jHandle, nAudioPort->ext.mix.handle, 1119 nAudioPort->role, jDeviceName, 1120 jSamplingRates, jChannelMasks, jChannelIndexMasks, 1121 jFormats, jGains); 1122 } else { 1123 ALOGE("convertAudioPortFromNative unknown nAudioPort type %d", nAudioPort->type); 1124 jStatus = (jint)AUDIO_JAVA_ERROR; 1125 goto exit; 1126 } 1127 if (*jAudioPort == NULL) { 1128 jStatus = (jint)AUDIO_JAVA_ERROR; 1129 goto exit; 1130 } 1131 1132 jobject jAudioPortConfig; 1133 jStatus = convertAudioPortConfigFromNative(env, 1134 *jAudioPort, 1135 &jAudioPortConfig, 1136 &nAudioPort->active_config); 1137 if (jStatus != AUDIO_JAVA_SUCCESS) { 1138 goto exit; 1139 } 1140 1141 env->SetObjectField(*jAudioPort, gAudioPortFields.mActiveConfig, jAudioPortConfig); 1142 1143 exit: 1144 if (jDeviceName != NULL) { 1145 env->DeleteLocalRef(jDeviceName); 1146 } 1147 if (jSamplingRates != NULL) { 1148 env->DeleteLocalRef(jSamplingRates); 1149 } 1150 if (jChannelMasks != NULL) { 1151 env->DeleteLocalRef(jChannelMasks); 1152 } 1153 if (jChannelIndexMasks != NULL) { 1154 env->DeleteLocalRef(jChannelIndexMasks); 1155 } 1156 if (cFormats != NULL) { 1157 delete[] cFormats; 1158 } 1159 if (jFormats != NULL) { 1160 env->DeleteLocalRef(jFormats); 1161 } 1162 if (jGains != NULL) { 1163 env->DeleteLocalRef(jGains); 1164 } 1165 if (jHandle != NULL) { 1166 env->DeleteLocalRef(jHandle); 1167 } 1168 1169 return jStatus; 1170 } 1171 1172 static jint 1173 android_media_AudioSystem_listAudioPorts(JNIEnv *env, jobject clazz, 1174 jobject jPorts, jintArray jGeneration) 1175 { 1176 ALOGV("listAudioPorts"); 1177 1178 if (jPorts == NULL) { 1179 ALOGE("listAudioPorts NULL AudioPort ArrayList"); 1180 return (jint)AUDIO_JAVA_BAD_VALUE; 1181 } 1182 if (!env->IsInstanceOf(jPorts, gArrayListClass)) { 1183 ALOGE("listAudioPorts not an arraylist"); 1184 return (jint)AUDIO_JAVA_BAD_VALUE; 1185 } 1186 1187 if (jGeneration == NULL || env->GetArrayLength(jGeneration) != 1) { 1188 return (jint)AUDIO_JAVA_BAD_VALUE; 1189 } 1190 1191 status_t status; 1192 unsigned int generation1; 1193 unsigned int generation; 1194 unsigned int numPorts; 1195 jint *nGeneration; 1196 struct audio_port *nPorts = NULL; 1197 int attempts = MAX_PORT_GENERATION_SYNC_ATTEMPTS; 1198 jint jStatus; 1199 1200 // get the port count and all the ports until they both return the same generation 1201 do { 1202 if (attempts-- < 0) { 1203 status = TIMED_OUT; 1204 break; 1205 } 1206 1207 numPorts = 0; 1208 status = AudioSystem::listAudioPorts(AUDIO_PORT_ROLE_NONE, 1209 AUDIO_PORT_TYPE_NONE, 1210 &numPorts, 1211 NULL, 1212 &generation1); 1213 if (status != NO_ERROR) { 1214 ALOGE_IF(status != NO_ERROR, "AudioSystem::listAudioPorts error %d", status); 1215 break; 1216 } 1217 if (numPorts == 0) { 1218 jStatus = (jint)AUDIO_JAVA_SUCCESS; 1219 goto exit; 1220 } 1221 nPorts = (struct audio_port *)realloc(nPorts, numPorts * sizeof(struct audio_port)); 1222 1223 status = AudioSystem::listAudioPorts(AUDIO_PORT_ROLE_NONE, 1224 AUDIO_PORT_TYPE_NONE, 1225 &numPorts, 1226 nPorts, 1227 &generation); 1228 ALOGV("listAudioPorts AudioSystem::listAudioPorts numPorts %d generation %d generation1 %d", 1229 numPorts, generation, generation1); 1230 } while (generation1 != generation && status == NO_ERROR); 1231 1232 jStatus = nativeToJavaStatus(status); 1233 if (jStatus != AUDIO_JAVA_SUCCESS) { 1234 goto exit; 1235 } 1236 1237 for (size_t i = 0; i < numPorts; i++) { 1238 jobject jAudioPort; 1239 jStatus = convertAudioPortFromNative(env, &jAudioPort, &nPorts[i]); 1240 if (jStatus != AUDIO_JAVA_SUCCESS) { 1241 goto exit; 1242 } 1243 env->CallBooleanMethod(jPorts, gArrayListMethods.add, jAudioPort); 1244 } 1245 1246 exit: 1247 nGeneration = env->GetIntArrayElements(jGeneration, NULL); 1248 if (nGeneration == NULL) { 1249 jStatus = (jint)AUDIO_JAVA_ERROR; 1250 } else { 1251 nGeneration[0] = generation1; 1252 env->ReleaseIntArrayElements(jGeneration, nGeneration, 0); 1253 } 1254 free(nPorts); 1255 return jStatus; 1256 } 1257 1258 static int 1259 android_media_AudioSystem_createAudioPatch(JNIEnv *env, jobject clazz, 1260 jobjectArray jPatches, jobjectArray jSources, jobjectArray jSinks) 1261 { 1262 status_t status; 1263 jint jStatus; 1264 1265 ALOGV("createAudioPatch"); 1266 if (jPatches == NULL || jSources == NULL || jSinks == NULL) { 1267 return (jint)AUDIO_JAVA_BAD_VALUE; 1268 } 1269 1270 if (env->GetArrayLength(jPatches) != 1) { 1271 return (jint)AUDIO_JAVA_BAD_VALUE; 1272 } 1273 jint numSources = env->GetArrayLength(jSources); 1274 if (numSources == 0 || numSources > AUDIO_PATCH_PORTS_MAX) { 1275 return (jint)AUDIO_JAVA_BAD_VALUE; 1276 } 1277 1278 jint numSinks = env->GetArrayLength(jSinks); 1279 if (numSinks == 0 || numSinks > AUDIO_PATCH_PORTS_MAX) { 1280 return (jint)AUDIO_JAVA_BAD_VALUE; 1281 } 1282 1283 audio_patch_handle_t handle = (audio_patch_handle_t)0; 1284 jobject jPatch = env->GetObjectArrayElement(jPatches, 0); 1285 jobject jPatchHandle = NULL; 1286 if (jPatch != NULL) { 1287 if (!env->IsInstanceOf(jPatch, gAudioPatchClass)) { 1288 return (jint)AUDIO_JAVA_BAD_VALUE; 1289 } 1290 jPatchHandle = env->GetObjectField(jPatch, gAudioPatchFields.mHandle); 1291 handle = (audio_patch_handle_t)env->GetIntField(jPatchHandle, gAudioHandleFields.mId); 1292 } 1293 1294 struct audio_patch nPatch; 1295 1296 nPatch.id = handle; 1297 nPatch.num_sources = 0; 1298 nPatch.num_sinks = 0; 1299 jobject jSource = NULL; 1300 jobject jSink = NULL; 1301 1302 for (jint i = 0; i < numSources; i++) { 1303 jSource = env->GetObjectArrayElement(jSources, i); 1304 if (!env->IsInstanceOf(jSource, gAudioPortConfigClass)) { 1305 jStatus = (jint)AUDIO_JAVA_BAD_VALUE; 1306 goto exit; 1307 } 1308 jStatus = convertAudioPortConfigToNative(env, &nPatch.sources[i], jSource, false); 1309 env->DeleteLocalRef(jSource); 1310 jSource = NULL; 1311 if (jStatus != AUDIO_JAVA_SUCCESS) { 1312 goto exit; 1313 } 1314 nPatch.num_sources++; 1315 } 1316 1317 for (jint i = 0; i < numSinks; i++) { 1318 jSink = env->GetObjectArrayElement(jSinks, i); 1319 if (!env->IsInstanceOf(jSink, gAudioPortConfigClass)) { 1320 jStatus = (jint)AUDIO_JAVA_BAD_VALUE; 1321 goto exit; 1322 } 1323 jStatus = convertAudioPortConfigToNative(env, &nPatch.sinks[i], jSink, false); 1324 env->DeleteLocalRef(jSink); 1325 jSink = NULL; 1326 if (jStatus != AUDIO_JAVA_SUCCESS) { 1327 goto exit; 1328 } 1329 nPatch.num_sinks++; 1330 } 1331 1332 ALOGV("AudioSystem::createAudioPatch"); 1333 status = AudioSystem::createAudioPatch(&nPatch, &handle); 1334 ALOGV("AudioSystem::createAudioPatch() returned %d hande %d", status, handle); 1335 1336 jStatus = nativeToJavaStatus(status); 1337 if (jStatus != AUDIO_JAVA_SUCCESS) { 1338 goto exit; 1339 } 1340 1341 if (jPatchHandle == NULL) { 1342 jPatchHandle = env->NewObject(gAudioHandleClass, gAudioHandleCstor, 1343 handle); 1344 if (jPatchHandle == NULL) { 1345 jStatus = (jint)AUDIO_JAVA_ERROR; 1346 goto exit; 1347 } 1348 jPatch = env->NewObject(gAudioPatchClass, gAudioPatchCstor, jPatchHandle, jSources, jSinks); 1349 if (jPatch == NULL) { 1350 jStatus = (jint)AUDIO_JAVA_ERROR; 1351 goto exit; 1352 } 1353 env->SetObjectArrayElement(jPatches, 0, jPatch); 1354 } else { 1355 env->SetIntField(jPatchHandle, gAudioHandleFields.mId, handle); 1356 } 1357 1358 exit: 1359 if (jPatchHandle != NULL) { 1360 env->DeleteLocalRef(jPatchHandle); 1361 } 1362 if (jPatch != NULL) { 1363 env->DeleteLocalRef(jPatch); 1364 } 1365 if (jSource != NULL) { 1366 env->DeleteLocalRef(jSource); 1367 } 1368 if (jSink != NULL) { 1369 env->DeleteLocalRef(jSink); 1370 } 1371 return jStatus; 1372 } 1373 1374 static jint 1375 android_media_AudioSystem_releaseAudioPatch(JNIEnv *env, jobject clazz, 1376 jobject jPatch) 1377 { 1378 ALOGV("releaseAudioPatch"); 1379 if (jPatch == NULL) { 1380 return (jint)AUDIO_JAVA_BAD_VALUE; 1381 } 1382 1383 audio_patch_handle_t handle = (audio_patch_handle_t)0; 1384 jobject jPatchHandle = NULL; 1385 if (!env->IsInstanceOf(jPatch, gAudioPatchClass)) { 1386 return (jint)AUDIO_JAVA_BAD_VALUE; 1387 } 1388 jPatchHandle = env->GetObjectField(jPatch, gAudioPatchFields.mHandle); 1389 handle = (audio_patch_handle_t)env->GetIntField(jPatchHandle, gAudioHandleFields.mId); 1390 env->DeleteLocalRef(jPatchHandle); 1391 1392 ALOGV("AudioSystem::releaseAudioPatch"); 1393 status_t status = AudioSystem::releaseAudioPatch(handle); 1394 ALOGV("AudioSystem::releaseAudioPatch() returned %d", status); 1395 jint jStatus = nativeToJavaStatus(status); 1396 return jStatus; 1397 } 1398 1399 static jint 1400 android_media_AudioSystem_listAudioPatches(JNIEnv *env, jobject clazz, 1401 jobject jPatches, jintArray jGeneration) 1402 { 1403 ALOGV("listAudioPatches"); 1404 if (jPatches == NULL) { 1405 ALOGE("listAudioPatches NULL AudioPatch ArrayList"); 1406 return (jint)AUDIO_JAVA_BAD_VALUE; 1407 } 1408 if (!env->IsInstanceOf(jPatches, gArrayListClass)) { 1409 ALOGE("listAudioPatches not an arraylist"); 1410 return (jint)AUDIO_JAVA_BAD_VALUE; 1411 } 1412 1413 if (jGeneration == NULL || env->GetArrayLength(jGeneration) != 1) { 1414 return (jint)AUDIO_JAVA_BAD_VALUE; 1415 } 1416 1417 status_t status; 1418 unsigned int generation1; 1419 unsigned int generation; 1420 unsigned int numPatches; 1421 jint *nGeneration; 1422 struct audio_patch *nPatches = NULL; 1423 jobjectArray jSources = NULL; 1424 jobject jSource = NULL; 1425 jobjectArray jSinks = NULL; 1426 jobject jSink = NULL; 1427 jobject jPatch = NULL; 1428 int attempts = MAX_PORT_GENERATION_SYNC_ATTEMPTS; 1429 jint jStatus; 1430 1431 // get the patch count and all the patches until they both return the same generation 1432 do { 1433 if (attempts-- < 0) { 1434 status = TIMED_OUT; 1435 break; 1436 } 1437 1438 numPatches = 0; 1439 status = AudioSystem::listAudioPatches(&numPatches, 1440 NULL, 1441 &generation1); 1442 if (status != NO_ERROR) { 1443 ALOGE_IF(status != NO_ERROR, "listAudioPatches AudioSystem::listAudioPatches error %d", 1444 status); 1445 break; 1446 } 1447 if (numPatches == 0) { 1448 jStatus = (jint)AUDIO_JAVA_SUCCESS; 1449 goto exit; 1450 } 1451 1452 nPatches = (struct audio_patch *)realloc(nPatches, numPatches * sizeof(struct audio_patch)); 1453 1454 status = AudioSystem::listAudioPatches(&numPatches, 1455 nPatches, 1456 &generation); 1457 ALOGV("listAudioPatches AudioSystem::listAudioPatches numPatches %d generation %d generation1 %d", 1458 numPatches, generation, generation1); 1459 1460 } while (generation1 != generation && status == NO_ERROR); 1461 1462 jStatus = nativeToJavaStatus(status); 1463 if (jStatus != AUDIO_JAVA_SUCCESS) { 1464 goto exit; 1465 } 1466 1467 for (size_t i = 0; i < numPatches; i++) { 1468 jobject patchHandle = env->NewObject(gAudioHandleClass, gAudioHandleCstor, 1469 nPatches[i].id); 1470 if (patchHandle == NULL) { 1471 jStatus = AUDIO_JAVA_ERROR; 1472 goto exit; 1473 } 1474 ALOGV("listAudioPatches patch %zu num_sources %d num_sinks %d", 1475 i, nPatches[i].num_sources, nPatches[i].num_sinks); 1476 1477 env->SetIntField(patchHandle, gAudioHandleFields.mId, nPatches[i].id); 1478 1479 // load sources 1480 jSources = env->NewObjectArray(nPatches[i].num_sources, 1481 gAudioPortConfigClass, NULL); 1482 if (jSources == NULL) { 1483 jStatus = AUDIO_JAVA_ERROR; 1484 goto exit; 1485 } 1486 1487 for (size_t j = 0; j < nPatches[i].num_sources; j++) { 1488 jStatus = convertAudioPortConfigFromNative(env, 1489 NULL, 1490 &jSource, 1491 &nPatches[i].sources[j]); 1492 if (jStatus != AUDIO_JAVA_SUCCESS) { 1493 goto exit; 1494 } 1495 env->SetObjectArrayElement(jSources, j, jSource); 1496 env->DeleteLocalRef(jSource); 1497 jSource = NULL; 1498 ALOGV("listAudioPatches patch %zu source %zu is a %s handle %d", 1499 i, j, 1500 nPatches[i].sources[j].type == AUDIO_PORT_TYPE_DEVICE ? "device" : "mix", 1501 nPatches[i].sources[j].id); 1502 } 1503 // load sinks 1504 jSinks = env->NewObjectArray(nPatches[i].num_sinks, 1505 gAudioPortConfigClass, NULL); 1506 if (jSinks == NULL) { 1507 jStatus = AUDIO_JAVA_ERROR; 1508 goto exit; 1509 } 1510 1511 for (size_t j = 0; j < nPatches[i].num_sinks; j++) { 1512 jStatus = convertAudioPortConfigFromNative(env, 1513 NULL, 1514 &jSink, 1515 &nPatches[i].sinks[j]); 1516 1517 if (jStatus != AUDIO_JAVA_SUCCESS) { 1518 goto exit; 1519 } 1520 env->SetObjectArrayElement(jSinks, j, jSink); 1521 env->DeleteLocalRef(jSink); 1522 jSink = NULL; 1523 ALOGV("listAudioPatches patch %zu sink %zu is a %s handle %d", 1524 i, j, 1525 nPatches[i].sinks[j].type == AUDIO_PORT_TYPE_DEVICE ? "device" : "mix", 1526 nPatches[i].sinks[j].id); 1527 } 1528 1529 jPatch = env->NewObject(gAudioPatchClass, gAudioPatchCstor, 1530 patchHandle, jSources, jSinks); 1531 env->DeleteLocalRef(jSources); 1532 jSources = NULL; 1533 env->DeleteLocalRef(jSinks); 1534 jSinks = NULL; 1535 if (jPatch == NULL) { 1536 jStatus = AUDIO_JAVA_ERROR; 1537 goto exit; 1538 } 1539 env->CallBooleanMethod(jPatches, gArrayListMethods.add, jPatch); 1540 env->DeleteLocalRef(jPatch); 1541 jPatch = NULL; 1542 } 1543 1544 exit: 1545 1546 nGeneration = env->GetIntArrayElements(jGeneration, NULL); 1547 if (nGeneration == NULL) { 1548 jStatus = AUDIO_JAVA_ERROR; 1549 } else { 1550 nGeneration[0] = generation1; 1551 env->ReleaseIntArrayElements(jGeneration, nGeneration, 0); 1552 } 1553 1554 if (jSources != NULL) { 1555 env->DeleteLocalRef(jSources); 1556 } 1557 if (jSource != NULL) { 1558 env->DeleteLocalRef(jSource); 1559 } 1560 if (jSinks != NULL) { 1561 env->DeleteLocalRef(jSinks); 1562 } 1563 if (jSink != NULL) { 1564 env->DeleteLocalRef(jSink); 1565 } 1566 if (jPatch != NULL) { 1567 env->DeleteLocalRef(jPatch); 1568 } 1569 free(nPatches); 1570 return jStatus; 1571 } 1572 1573 static jint 1574 android_media_AudioSystem_setAudioPortConfig(JNIEnv *env, jobject clazz, 1575 jobject jAudioPortConfig) 1576 { 1577 ALOGV("setAudioPortConfig"); 1578 if (jAudioPortConfig == NULL) { 1579 return AUDIO_JAVA_BAD_VALUE; 1580 } 1581 if (!env->IsInstanceOf(jAudioPortConfig, gAudioPortConfigClass)) { 1582 return AUDIO_JAVA_BAD_VALUE; 1583 } 1584 struct audio_port_config nAudioPortConfig; 1585 jint jStatus = convertAudioPortConfigToNative(env, &nAudioPortConfig, jAudioPortConfig, true); 1586 if (jStatus != AUDIO_JAVA_SUCCESS) { 1587 return jStatus; 1588 } 1589 status_t status = AudioSystem::setAudioPortConfig(&nAudioPortConfig); 1590 ALOGV("AudioSystem::setAudioPortConfig() returned %d", status); 1591 jStatus = nativeToJavaStatus(status); 1592 return jStatus; 1593 } 1594 1595 static void 1596 android_media_AudioSystem_eventHandlerSetup(JNIEnv *env, jobject thiz, jobject weak_this) 1597 { 1598 ALOGV("eventHandlerSetup"); 1599 1600 sp<JNIAudioPortCallback> callback = new JNIAudioPortCallback(env, thiz, weak_this); 1601 1602 if (AudioSystem::addAudioPortCallback(callback) == NO_ERROR) { 1603 setJniCallback(env, thiz, callback); 1604 } 1605 } 1606 1607 static void 1608 android_media_AudioSystem_eventHandlerFinalize(JNIEnv *env, jobject thiz) 1609 { 1610 ALOGV("eventHandlerFinalize"); 1611 1612 sp<JNIAudioPortCallback> callback = setJniCallback(env, thiz, 0); 1613 1614 if (callback != 0) { 1615 AudioSystem::removeAudioPortCallback(callback); 1616 } 1617 } 1618 1619 static jint 1620 android_media_AudioSystem_getAudioHwSyncForSession(JNIEnv *env, jobject thiz, jint sessionId) 1621 { 1622 return (jint) AudioSystem::getAudioHwSyncForSession((audio_session_t) sessionId); 1623 } 1624 1625 static void 1626 android_media_AudioSystem_registerDynPolicyCallback(JNIEnv *env, jobject thiz) 1627 { 1628 AudioSystem::setDynPolicyCallback(android_media_AudioSystem_dyn_policy_callback); 1629 } 1630 1631 static void 1632 android_media_AudioSystem_registerRecordingCallback(JNIEnv *env, jobject thiz) 1633 { 1634 AudioSystem::setRecordConfigCallback(android_media_AudioSystem_recording_callback); 1635 } 1636 1637 1638 static jint convertAudioMixToNative(JNIEnv *env, 1639 AudioMix *nAudioMix, 1640 const jobject jAudioMix) 1641 { 1642 nAudioMix->mMixType = env->GetIntField(jAudioMix, gAudioMixFields.mMixType); 1643 nAudioMix->mRouteFlags = env->GetIntField(jAudioMix, gAudioMixFields.mRouteFlags); 1644 nAudioMix->mDeviceType = (audio_devices_t) 1645 env->GetIntField(jAudioMix, gAudioMixFields.mDeviceType); 1646 1647 jstring jDeviceAddress = (jstring)env->GetObjectField(jAudioMix, 1648 gAudioMixFields.mDeviceAddress); 1649 const char *nDeviceAddress = env->GetStringUTFChars(jDeviceAddress, NULL); 1650 nAudioMix->mDeviceAddress = String8(nDeviceAddress); 1651 env->ReleaseStringUTFChars(jDeviceAddress, nDeviceAddress); 1652 env->DeleteLocalRef(jDeviceAddress); 1653 1654 nAudioMix->mCbFlags = env->GetIntField(jAudioMix, gAudioMixFields.mCallbackFlags); 1655 1656 jobject jFormat = env->GetObjectField(jAudioMix, gAudioMixFields.mFormat); 1657 nAudioMix->mFormat.sample_rate = env->GetIntField(jFormat, 1658 gAudioFormatFields.mSampleRate); 1659 nAudioMix->mFormat.channel_mask = outChannelMaskToNative(env->GetIntField(jFormat, 1660 gAudioFormatFields.mChannelMask)); 1661 nAudioMix->mFormat.format = audioFormatToNative(env->GetIntField(jFormat, 1662 gAudioFormatFields.mEncoding)); 1663 env->DeleteLocalRef(jFormat); 1664 1665 jobject jRule = env->GetObjectField(jAudioMix, gAudioMixFields.mRule); 1666 jobject jRuleCriteria = env->GetObjectField(jRule, gAudioMixingRuleFields.mCriteria); 1667 env->DeleteLocalRef(jRule); 1668 jobjectArray jCriteria = (jobjectArray)env->CallObjectMethod(jRuleCriteria, 1669 gArrayListMethods.toArray); 1670 env->DeleteLocalRef(jRuleCriteria); 1671 1672 jint numCriteria = env->GetArrayLength(jCriteria); 1673 if (numCriteria > MAX_CRITERIA_PER_MIX) { 1674 numCriteria = MAX_CRITERIA_PER_MIX; 1675 } 1676 1677 for (jint i = 0; i < numCriteria; i++) { 1678 AudioMixMatchCriterion nCriterion; 1679 1680 jobject jCriterion = env->GetObjectArrayElement(jCriteria, i); 1681 1682 nCriterion.mRule = env->GetIntField(jCriterion, gAudioMixMatchCriterionFields.mRule); 1683 1684 const uint32_t match_rule = nCriterion.mRule & ~RULE_EXCLUSION_MASK; 1685 switch (match_rule) { 1686 case RULE_MATCH_UID: 1687 nCriterion.mValue.mUid = env->GetIntField(jCriterion, 1688 gAudioMixMatchCriterionFields.mIntProp); 1689 break; 1690 case RULE_MATCH_ATTRIBUTE_USAGE: 1691 case RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET: { 1692 jobject jAttributes = env->GetObjectField(jCriterion, gAudioMixMatchCriterionFields.mAttr); 1693 if (match_rule == RULE_MATCH_ATTRIBUTE_USAGE) { 1694 nCriterion.mValue.mUsage = (audio_usage_t)env->GetIntField(jAttributes, 1695 gAudioAttributesFields.mUsage); 1696 } else { 1697 nCriterion.mValue.mSource = (audio_source_t)env->GetIntField(jAttributes, 1698 gAudioAttributesFields.mSource); 1699 } 1700 env->DeleteLocalRef(jAttributes); 1701 } 1702 break; 1703 } 1704 1705 nAudioMix->mCriteria.add(nCriterion); 1706 env->DeleteLocalRef(jCriterion); 1707 } 1708 1709 env->DeleteLocalRef(jCriteria); 1710 1711 return (jint)AUDIO_JAVA_SUCCESS; 1712 } 1713 1714 static jint 1715 android_media_AudioSystem_registerPolicyMixes(JNIEnv *env, jobject clazz, 1716 jobject jMixesList, jboolean registration) 1717 { 1718 ALOGV("registerPolicyMixes"); 1719 1720 if (jMixesList == NULL) { 1721 return (jint)AUDIO_JAVA_BAD_VALUE; 1722 } 1723 if (!env->IsInstanceOf(jMixesList, gArrayListClass)) { 1724 return (jint)AUDIO_JAVA_BAD_VALUE; 1725 } 1726 jobjectArray jMixes = (jobjectArray)env->CallObjectMethod(jMixesList, 1727 gArrayListMethods.toArray); 1728 jint numMixes = env->GetArrayLength(jMixes); 1729 if (numMixes > MAX_MIXES_PER_POLICY) { 1730 numMixes = MAX_MIXES_PER_POLICY; 1731 } 1732 1733 status_t status; 1734 jint jStatus; 1735 jobject jAudioMix = NULL; 1736 Vector <AudioMix> mixes; 1737 for (jint i = 0; i < numMixes; i++) { 1738 jAudioMix = env->GetObjectArrayElement(jMixes, i); 1739 if (!env->IsInstanceOf(jAudioMix, gAudioMixClass)) { 1740 jStatus = (jint)AUDIO_JAVA_BAD_VALUE; 1741 goto exit; 1742 } 1743 AudioMix mix; 1744 jStatus = convertAudioMixToNative(env, &mix, jAudioMix); 1745 env->DeleteLocalRef(jAudioMix); 1746 jAudioMix = NULL; 1747 if (jStatus != AUDIO_JAVA_SUCCESS) { 1748 goto exit; 1749 } 1750 mixes.add(mix); 1751 } 1752 1753 ALOGV("AudioSystem::registerPolicyMixes numMixes %d registration %d", numMixes, registration); 1754 status = AudioSystem::registerPolicyMixes(mixes, registration); 1755 ALOGV("AudioSystem::registerPolicyMixes() returned %d", status); 1756 1757 jStatus = nativeToJavaStatus(status); 1758 if (jStatus != AUDIO_JAVA_SUCCESS) { 1759 goto exit; 1760 } 1761 1762 exit: 1763 if (jAudioMix != NULL) { 1764 env->DeleteLocalRef(jAudioMix); 1765 } 1766 return jStatus; 1767 } 1768 1769 static jint 1770 android_media_AudioSystem_systemReady(JNIEnv *env, jobject thiz) 1771 { 1772 return nativeToJavaStatus(AudioSystem::systemReady()); 1773 } 1774 1775 static jfloat 1776 android_media_AudioSystem_getStreamVolumeDB(JNIEnv *env, jobject thiz, 1777 jint stream, jint index, jint device) 1778 { 1779 return (jfloat)AudioSystem::getStreamVolumeDB((audio_stream_type_t)stream, 1780 (int)index, 1781 (audio_devices_t)device); 1782 } 1783 1784 static jboolean 1785 android_media_AudioSystem_isOffloadSupported(JNIEnv *env, jobject thiz, 1786 jint encoding, jint sampleRate, jint channelMask, jint channelIndexMask) 1787 { 1788 audio_offload_info_t format = AUDIO_INFO_INITIALIZER; 1789 format.format = (audio_format_t) audioFormatToNative(encoding); 1790 format.sample_rate = (uint32_t) sampleRate; 1791 format.channel_mask = nativeChannelMaskFromJavaChannelMasks(channelMask, channelIndexMask); 1792 format.stream_type = AUDIO_STREAM_MUSIC; 1793 format.has_video = false; 1794 format.is_streaming = false; 1795 // offload duration unknown at this point: 1796 // client side code cannot access "audio.offload.min.duration.secs" property to make a query 1797 // agnostic of duration, so using acceptable estimate of 2mn 1798 format.duration_us = 120 * 1000000; 1799 return AudioSystem::isOffloadSupported(format); 1800 } 1801 1802 static jint 1803 android_media_AudioSystem_getMicrophones(JNIEnv *env, jobject thiz, jobject jMicrophonesInfo) 1804 { 1805 ALOGV("getMicrophones"); 1806 1807 if (jMicrophonesInfo == NULL) { 1808 ALOGE("jMicrophonesInfo NULL MicrophoneInfo ArrayList"); 1809 return (jint)AUDIO_JAVA_BAD_VALUE; 1810 } 1811 if (!env->IsInstanceOf(jMicrophonesInfo, gArrayListClass)) { 1812 ALOGE("getMicrophones not an arraylist"); 1813 return (jint)AUDIO_JAVA_BAD_VALUE; 1814 } 1815 1816 jint jStatus; 1817 std::vector<media::MicrophoneInfo> microphones; 1818 status_t status = AudioSystem::getMicrophones(µphones); 1819 if (status != NO_ERROR) { 1820 ALOGE_IF(status != NO_ERROR, "AudioSystem::getMicrophones error %d", status); 1821 jStatus = nativeToJavaStatus(status); 1822 return jStatus; 1823 } 1824 if (microphones.size() == 0) { 1825 jStatus = (jint)AUDIO_JAVA_SUCCESS; 1826 return jStatus; 1827 } 1828 for (size_t i = 0; i < microphones.size(); i++) { 1829 jobject jMicrophoneInfo; 1830 jStatus = convertMicrophoneInfoFromNative(env, &jMicrophoneInfo, µphones[i]); 1831 if (jStatus != AUDIO_JAVA_SUCCESS) { 1832 return jStatus; 1833 } 1834 env->CallBooleanMethod(jMicrophonesInfo, gArrayListMethods.add, jMicrophoneInfo); 1835 env->DeleteLocalRef(jMicrophoneInfo); 1836 } 1837 1838 return jStatus; 1839 } 1840 1841 static jint 1842 android_media_AudioSystem_getSurroundFormats(JNIEnv *env, jobject thiz, 1843 jobject jSurroundFormats, jboolean reported) 1844 { 1845 ALOGV("getSurroundFormats"); 1846 1847 if (jSurroundFormats == NULL) { 1848 ALOGE("jSurroundFormats is NULL"); 1849 return (jint)AUDIO_JAVA_BAD_VALUE; 1850 } 1851 if (!env->IsInstanceOf(jSurroundFormats, gMapClass)) { 1852 ALOGE("getSurroundFormats not a map"); 1853 return (jint)AUDIO_JAVA_BAD_VALUE; 1854 } 1855 1856 jint jStatus; 1857 unsigned int numSurroundFormats = 0; 1858 audio_format_t *surroundFormats = NULL; 1859 bool *surroundFormatsEnabled = NULL; 1860 status_t status = AudioSystem::getSurroundFormats( 1861 &numSurroundFormats, surroundFormats, surroundFormatsEnabled, reported); 1862 if (status != NO_ERROR) { 1863 ALOGE_IF(status != NO_ERROR, "AudioSystem::getSurroundFormats error %d", status); 1864 jStatus = nativeToJavaStatus(status); 1865 goto exit; 1866 } 1867 if (numSurroundFormats == 0) { 1868 jStatus = (jint)AUDIO_JAVA_SUCCESS; 1869 goto exit; 1870 } 1871 surroundFormats = (audio_format_t *)calloc(numSurroundFormats, sizeof(audio_format_t)); 1872 surroundFormatsEnabled = (bool *)calloc(numSurroundFormats, sizeof(bool)); 1873 status = AudioSystem::getSurroundFormats( 1874 &numSurroundFormats, surroundFormats, surroundFormatsEnabled, reported); 1875 jStatus = nativeToJavaStatus(status); 1876 if (status != NO_ERROR) { 1877 ALOGE_IF(status != NO_ERROR, "AudioSystem::getSurroundFormats error %d", status); 1878 goto exit; 1879 } 1880 for (size_t i = 0; i < numSurroundFormats; i++) { 1881 jobject surroundFormat = env->NewObject(gIntegerClass, gIntegerCstor, 1882 audioFormatFromNative(surroundFormats[i])); 1883 jobject enabled = env->NewObject(gBooleanClass, gBooleanCstor, surroundFormatsEnabled[i]); 1884 env->CallObjectMethod(jSurroundFormats, gMapPut, surroundFormat, enabled); 1885 env->DeleteLocalRef(surroundFormat); 1886 env->DeleteLocalRef(enabled); 1887 } 1888 1889 exit: 1890 free(surroundFormats); 1891 free(surroundFormatsEnabled); 1892 return jStatus; 1893 } 1894 1895 static jint 1896 android_media_AudioSystem_setSurroundFormatEnabled(JNIEnv *env, jobject thiz, 1897 jint audioFormat, jboolean enabled) 1898 { 1899 status_t status = AudioSystem::setSurroundFormatEnabled(audioFormatToNative(audioFormat), 1900 (bool)enabled); 1901 if (status != NO_ERROR) { 1902 ALOGE_IF(status != NO_ERROR, "AudioSystem::setSurroundFormatEnabled error %d", status); 1903 } 1904 return (jint)nativeToJavaStatus(status); 1905 } 1906 1907 // ---------------------------------------------------------------------------- 1908 1909 static const JNINativeMethod gMethods[] = { 1910 {"setParameters", "(Ljava/lang/String;)I", (void *)android_media_AudioSystem_setParameters}, 1911 {"getParameters", "(Ljava/lang/String;)Ljava/lang/String;", (void *)android_media_AudioSystem_getParameters}, 1912 {"muteMicrophone", "(Z)I", (void *)android_media_AudioSystem_muteMicrophone}, 1913 {"isMicrophoneMuted", "()Z", (void *)android_media_AudioSystem_isMicrophoneMuted}, 1914 {"isStreamActive", "(II)Z", (void *)android_media_AudioSystem_isStreamActive}, 1915 {"isStreamActiveRemotely","(II)Z", (void *)android_media_AudioSystem_isStreamActiveRemotely}, 1916 {"isSourceActive", "(I)Z", (void *)android_media_AudioSystem_isSourceActive}, 1917 {"newAudioSessionId", "()I", (void *)android_media_AudioSystem_newAudioSessionId}, 1918 {"newAudioPlayerId", "()I", (void *)android_media_AudioSystem_newAudioPlayerId}, 1919 {"setDeviceConnectionState", "(IILjava/lang/String;Ljava/lang/String;)I", (void *)android_media_AudioSystem_setDeviceConnectionState}, 1920 {"getDeviceConnectionState", "(ILjava/lang/String;)I", (void *)android_media_AudioSystem_getDeviceConnectionState}, 1921 {"handleDeviceConfigChange", "(ILjava/lang/String;Ljava/lang/String;)I", (void *)android_media_AudioSystem_handleDeviceConfigChange}, 1922 {"setPhoneState", "(I)I", (void *)android_media_AudioSystem_setPhoneState}, 1923 {"setForceUse", "(II)I", (void *)android_media_AudioSystem_setForceUse}, 1924 {"getForceUse", "(I)I", (void *)android_media_AudioSystem_getForceUse}, 1925 {"initStreamVolume", "(III)I", (void *)android_media_AudioSystem_initStreamVolume}, 1926 {"setStreamVolumeIndex","(III)I", (void *)android_media_AudioSystem_setStreamVolumeIndex}, 1927 {"getStreamVolumeIndex","(II)I", (void *)android_media_AudioSystem_getStreamVolumeIndex}, 1928 {"setMasterVolume", "(F)I", (void *)android_media_AudioSystem_setMasterVolume}, 1929 {"getMasterVolume", "()F", (void *)android_media_AudioSystem_getMasterVolume}, 1930 {"setMasterMute", "(Z)I", (void *)android_media_AudioSystem_setMasterMute}, 1931 {"getMasterMute", "()Z", (void *)android_media_AudioSystem_getMasterMute}, 1932 {"setMasterMono", "(Z)I", (void *)android_media_AudioSystem_setMasterMono}, 1933 {"getMasterMono", "()Z", (void *)android_media_AudioSystem_getMasterMono}, 1934 {"getDevicesForStream", "(I)I", (void *)android_media_AudioSystem_getDevicesForStream}, 1935 {"getPrimaryOutputSamplingRate", "()I", (void *)android_media_AudioSystem_getPrimaryOutputSamplingRate}, 1936 {"getPrimaryOutputFrameCount", "()I", (void *)android_media_AudioSystem_getPrimaryOutputFrameCount}, 1937 {"getOutputLatency", "(I)I", (void *)android_media_AudioSystem_getOutputLatency}, 1938 {"setLowRamDevice", "(ZJ)I", (void *)android_media_AudioSystem_setLowRamDevice}, 1939 {"checkAudioFlinger", "()I", (void *)android_media_AudioSystem_checkAudioFlinger}, 1940 {"listAudioPorts", "(Ljava/util/ArrayList;[I)I", 1941 (void *)android_media_AudioSystem_listAudioPorts}, 1942 {"createAudioPatch", "([Landroid/media/AudioPatch;[Landroid/media/AudioPortConfig;[Landroid/media/AudioPortConfig;)I", 1943 (void *)android_media_AudioSystem_createAudioPatch}, 1944 {"releaseAudioPatch", "(Landroid/media/AudioPatch;)I", 1945 (void *)android_media_AudioSystem_releaseAudioPatch}, 1946 {"listAudioPatches", "(Ljava/util/ArrayList;[I)I", 1947 (void *)android_media_AudioSystem_listAudioPatches}, 1948 {"setAudioPortConfig", "(Landroid/media/AudioPortConfig;)I", 1949 (void *)android_media_AudioSystem_setAudioPortConfig}, 1950 {"getAudioHwSyncForSession", "(I)I", 1951 (void *)android_media_AudioSystem_getAudioHwSyncForSession}, 1952 {"registerPolicyMixes", "(Ljava/util/ArrayList;Z)I", 1953 (void *)android_media_AudioSystem_registerPolicyMixes}, 1954 {"native_register_dynamic_policy_callback", "()V", 1955 (void *)android_media_AudioSystem_registerDynPolicyCallback}, 1956 {"native_register_recording_callback", "()V", 1957 (void *)android_media_AudioSystem_registerRecordingCallback}, 1958 {"systemReady", "()I", (void *)android_media_AudioSystem_systemReady}, 1959 {"getStreamVolumeDB", "(III)F", (void *)android_media_AudioSystem_getStreamVolumeDB}, 1960 {"native_is_offload_supported", "(IIII)Z", (void *)android_media_AudioSystem_isOffloadSupported}, 1961 {"getMicrophones", "(Ljava/util/ArrayList;)I", (void *)android_media_AudioSystem_getMicrophones}, 1962 {"getSurroundFormats", "(Ljava/util/Map;Z)I", (void *)android_media_AudioSystem_getSurroundFormats}, 1963 {"setSurroundFormatEnabled", "(IZ)I", (void *)android_media_AudioSystem_setSurroundFormatEnabled}, 1964 }; 1965 1966 1967 static const JNINativeMethod gEventHandlerMethods[] = { 1968 {"native_setup", 1969 "(Ljava/lang/Object;)V", 1970 (void *)android_media_AudioSystem_eventHandlerSetup}, 1971 {"native_finalize", 1972 "()V", 1973 (void *)android_media_AudioSystem_eventHandlerFinalize}, 1974 }; 1975 1976 int register_android_media_AudioSystem(JNIEnv *env) 1977 { 1978 jclass arrayListClass = FindClassOrDie(env, "java/util/ArrayList"); 1979 gArrayListClass = MakeGlobalRefOrDie(env, arrayListClass); 1980 gArrayListMethods.add = GetMethodIDOrDie(env, arrayListClass, "add", "(Ljava/lang/Object;)Z"); 1981 gArrayListMethods.toArray = GetMethodIDOrDie(env, arrayListClass, "toArray", "()[Ljava/lang/Object;"); 1982 1983 jclass booleanClass = FindClassOrDie(env, "java/lang/Boolean"); 1984 gBooleanClass = MakeGlobalRefOrDie(env, booleanClass); 1985 gBooleanCstor = GetMethodIDOrDie(env, booleanClass, "<init>", "(Z)V"); 1986 1987 jclass integerClass = FindClassOrDie(env, "java/lang/Integer"); 1988 gIntegerClass = MakeGlobalRefOrDie(env, integerClass); 1989 gIntegerCstor = GetMethodIDOrDie(env, integerClass, "<init>", "(I)V"); 1990 1991 jclass mapClass = FindClassOrDie(env, "java/util/Map"); 1992 gMapClass = MakeGlobalRefOrDie(env, mapClass); 1993 gMapPut = GetMethodIDOrDie(env, mapClass, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); 1994 1995 jclass audioHandleClass = FindClassOrDie(env, "android/media/AudioHandle"); 1996 gAudioHandleClass = MakeGlobalRefOrDie(env, audioHandleClass); 1997 gAudioHandleCstor = GetMethodIDOrDie(env, audioHandleClass, "<init>", "(I)V"); 1998 gAudioHandleFields.mId = GetFieldIDOrDie(env, audioHandleClass, "mId", "I"); 1999 2000 jclass audioPortClass = FindClassOrDie(env, "android/media/AudioPort"); 2001 gAudioPortClass = MakeGlobalRefOrDie(env, audioPortClass); 2002 gAudioPortCstor = GetMethodIDOrDie(env, audioPortClass, "<init>", 2003 "(Landroid/media/AudioHandle;ILjava/lang/String;[I[I[I[I[Landroid/media/AudioGain;)V"); 2004 gAudioPortFields.mHandle = GetFieldIDOrDie(env, audioPortClass, "mHandle", 2005 "Landroid/media/AudioHandle;"); 2006 gAudioPortFields.mRole = GetFieldIDOrDie(env, audioPortClass, "mRole", "I"); 2007 gAudioPortFields.mGains = GetFieldIDOrDie(env, audioPortClass, "mGains", 2008 "[Landroid/media/AudioGain;"); 2009 gAudioPortFields.mActiveConfig = GetFieldIDOrDie(env, audioPortClass, "mActiveConfig", 2010 "Landroid/media/AudioPortConfig;"); 2011 2012 jclass audioPortConfigClass = FindClassOrDie(env, "android/media/AudioPortConfig"); 2013 gAudioPortConfigClass = MakeGlobalRefOrDie(env, audioPortConfigClass); 2014 gAudioPortConfigCstor = GetMethodIDOrDie(env, audioPortConfigClass, "<init>", 2015 "(Landroid/media/AudioPort;IIILandroid/media/AudioGainConfig;)V"); 2016 gAudioPortConfigFields.mPort = GetFieldIDOrDie(env, audioPortConfigClass, "mPort", 2017 "Landroid/media/AudioPort;"); 2018 gAudioPortConfigFields.mSamplingRate = GetFieldIDOrDie(env, audioPortConfigClass, 2019 "mSamplingRate", "I"); 2020 gAudioPortConfigFields.mChannelMask = GetFieldIDOrDie(env, audioPortConfigClass, 2021 "mChannelMask", "I"); 2022 gAudioPortConfigFields.mFormat = GetFieldIDOrDie(env, audioPortConfigClass, "mFormat", "I"); 2023 gAudioPortConfigFields.mGain = GetFieldIDOrDie(env, audioPortConfigClass, "mGain", 2024 "Landroid/media/AudioGainConfig;"); 2025 gAudioPortConfigFields.mConfigMask = GetFieldIDOrDie(env, audioPortConfigClass, "mConfigMask", 2026 "I"); 2027 2028 jclass audioDevicePortConfigClass = FindClassOrDie(env, "android/media/AudioDevicePortConfig"); 2029 gAudioDevicePortConfigClass = MakeGlobalRefOrDie(env, audioDevicePortConfigClass); 2030 gAudioDevicePortConfigCstor = GetMethodIDOrDie(env, audioDevicePortConfigClass, "<init>", 2031 "(Landroid/media/AudioDevicePort;IIILandroid/media/AudioGainConfig;)V"); 2032 2033 jclass audioMixPortConfigClass = FindClassOrDie(env, "android/media/AudioMixPortConfig"); 2034 gAudioMixPortConfigClass = MakeGlobalRefOrDie(env, audioMixPortConfigClass); 2035 gAudioMixPortConfigCstor = GetMethodIDOrDie(env, audioMixPortConfigClass, "<init>", 2036 "(Landroid/media/AudioMixPort;IIILandroid/media/AudioGainConfig;)V"); 2037 2038 jclass audioDevicePortClass = FindClassOrDie(env, "android/media/AudioDevicePort"); 2039 gAudioDevicePortClass = MakeGlobalRefOrDie(env, audioDevicePortClass); 2040 gAudioDevicePortCstor = GetMethodIDOrDie(env, audioDevicePortClass, "<init>", 2041 "(Landroid/media/AudioHandle;Ljava/lang/String;[I[I[I[I[Landroid/media/AudioGain;ILjava/lang/String;)V"); 2042 2043 jclass audioMixPortClass = FindClassOrDie(env, "android/media/AudioMixPort"); 2044 gAudioMixPortClass = MakeGlobalRefOrDie(env, audioMixPortClass); 2045 gAudioMixPortCstor = GetMethodIDOrDie(env, audioMixPortClass, "<init>", 2046 "(Landroid/media/AudioHandle;IILjava/lang/String;[I[I[I[I[Landroid/media/AudioGain;)V"); 2047 2048 jclass audioGainClass = FindClassOrDie(env, "android/media/AudioGain"); 2049 gAudioGainClass = MakeGlobalRefOrDie(env, audioGainClass); 2050 gAudioGainCstor = GetMethodIDOrDie(env, audioGainClass, "<init>", "(IIIIIIIII)V"); 2051 2052 jclass audioGainConfigClass = FindClassOrDie(env, "android/media/AudioGainConfig"); 2053 gAudioGainConfigClass = MakeGlobalRefOrDie(env, audioGainConfigClass); 2054 gAudioGainConfigCstor = GetMethodIDOrDie(env, audioGainConfigClass, "<init>", 2055 "(ILandroid/media/AudioGain;II[II)V"); 2056 gAudioGainConfigFields.mIndex = GetFieldIDOrDie(env, gAudioGainConfigClass, "mIndex", "I"); 2057 gAudioGainConfigFields.mMode = GetFieldIDOrDie(env, audioGainConfigClass, "mMode", "I"); 2058 gAudioGainConfigFields.mChannelMask = GetFieldIDOrDie(env, audioGainConfigClass, "mChannelMask", 2059 "I"); 2060 gAudioGainConfigFields.mValues = GetFieldIDOrDie(env, audioGainConfigClass, "mValues", "[I"); 2061 gAudioGainConfigFields.mRampDurationMs = GetFieldIDOrDie(env, audioGainConfigClass, 2062 "mRampDurationMs", "I"); 2063 2064 jclass audioPatchClass = FindClassOrDie(env, "android/media/AudioPatch"); 2065 gAudioPatchClass = MakeGlobalRefOrDie(env, audioPatchClass); 2066 gAudioPatchCstor = GetMethodIDOrDie(env, audioPatchClass, "<init>", 2067 "(Landroid/media/AudioHandle;[Landroid/media/AudioPortConfig;[Landroid/media/AudioPortConfig;)V"); 2068 gAudioPatchFields.mHandle = GetFieldIDOrDie(env, audioPatchClass, "mHandle", 2069 "Landroid/media/AudioHandle;"); 2070 2071 jclass eventHandlerClass = FindClassOrDie(env, kEventHandlerClassPathName); 2072 gAudioPortEventHandlerMethods.postEventFromNative = GetStaticMethodIDOrDie( 2073 env, eventHandlerClass, "postEventFromNative", 2074 "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 2075 gEventHandlerFields.mJniCallback = GetFieldIDOrDie(env, 2076 eventHandlerClass, "mJniCallback", "J"); 2077 2078 gAudioPolicyEventHandlerMethods.postDynPolicyEventFromNative = 2079 GetStaticMethodIDOrDie(env, env->FindClass(kClassPathName), 2080 "dynamicPolicyCallbackFromNative", "(ILjava/lang/String;I)V"); 2081 gAudioPolicyEventHandlerMethods.postRecordConfigEventFromNative = 2082 GetStaticMethodIDOrDie(env, env->FindClass(kClassPathName), 2083 "recordingCallbackFromNative", "(IIII[I)V"); 2084 2085 jclass audioMixClass = FindClassOrDie(env, "android/media/audiopolicy/AudioMix"); 2086 gAudioMixClass = MakeGlobalRefOrDie(env, audioMixClass); 2087 gAudioMixFields.mRule = GetFieldIDOrDie(env, audioMixClass, "mRule", 2088 "Landroid/media/audiopolicy/AudioMixingRule;"); 2089 gAudioMixFields.mFormat = GetFieldIDOrDie(env, audioMixClass, "mFormat", 2090 "Landroid/media/AudioFormat;"); 2091 gAudioMixFields.mRouteFlags = GetFieldIDOrDie(env, audioMixClass, "mRouteFlags", "I"); 2092 gAudioMixFields.mDeviceType = GetFieldIDOrDie(env, audioMixClass, "mDeviceSystemType", "I"); 2093 gAudioMixFields.mDeviceAddress = GetFieldIDOrDie(env, audioMixClass, "mDeviceAddress", 2094 "Ljava/lang/String;"); 2095 gAudioMixFields.mMixType = GetFieldIDOrDie(env, audioMixClass, "mMixType", "I"); 2096 gAudioMixFields.mCallbackFlags = GetFieldIDOrDie(env, audioMixClass, "mCallbackFlags", "I"); 2097 2098 jclass audioFormatClass = FindClassOrDie(env, "android/media/AudioFormat"); 2099 gAudioFormatClass = MakeGlobalRefOrDie(env, audioFormatClass); 2100 gAudioFormatFields.mEncoding = GetFieldIDOrDie(env, audioFormatClass, "mEncoding", "I"); 2101 gAudioFormatFields.mSampleRate = GetFieldIDOrDie(env, audioFormatClass, "mSampleRate", "I"); 2102 gAudioFormatFields.mChannelMask = GetFieldIDOrDie(env, audioFormatClass, "mChannelMask", "I"); 2103 2104 jclass audioMixingRuleClass = FindClassOrDie(env, "android/media/audiopolicy/AudioMixingRule"); 2105 gAudioMixingRuleClass = MakeGlobalRefOrDie(env, audioMixingRuleClass); 2106 gAudioMixingRuleFields.mCriteria = GetFieldIDOrDie(env, audioMixingRuleClass, "mCriteria", 2107 "Ljava/util/ArrayList;"); 2108 2109 jclass audioMixMatchCriterionClass = 2110 FindClassOrDie(env, "android/media/audiopolicy/AudioMixingRule$AudioMixMatchCriterion"); 2111 gAudioMixMatchCriterionClass = MakeGlobalRefOrDie(env,audioMixMatchCriterionClass); 2112 gAudioMixMatchCriterionFields.mAttr = GetFieldIDOrDie(env, audioMixMatchCriterionClass, "mAttr", 2113 "Landroid/media/AudioAttributes;"); 2114 gAudioMixMatchCriterionFields.mIntProp = GetFieldIDOrDie(env, audioMixMatchCriterionClass, "mIntProp", 2115 "I"); 2116 gAudioMixMatchCriterionFields.mRule = GetFieldIDOrDie(env, audioMixMatchCriterionClass, "mRule", 2117 "I"); 2118 2119 jclass audioAttributesClass = FindClassOrDie(env, "android/media/AudioAttributes"); 2120 gAudioAttributesClass = MakeGlobalRefOrDie(env, audioAttributesClass); 2121 gAudioAttributesFields.mUsage = GetFieldIDOrDie(env, audioAttributesClass, "mUsage", "I"); 2122 gAudioAttributesFields.mSource = GetFieldIDOrDie(env, audioAttributesClass, "mSource", "I"); 2123 2124 AudioSystem::setErrorCallback(android_media_AudioSystem_error_callback); 2125 2126 RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); 2127 return RegisterMethodsOrDie(env, kEventHandlerClassPathName, gEventHandlerMethods, 2128 NELEM(gEventHandlerMethods)); 2129 } 2130
