android_Effect.cpp revision 47550bf6cf5cf08a402a54b1589f4b64582a5120
1/* 2 * Copyright (C) 2010 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 18#include "sles_allinclusive.h" 19#include "math.h" 20#include "utils/RefBase.h" 21#include "media/EffectEqualizerApi.h" 22#include "media/EffectBassBoostApi.h" 23#include "media/EffectVirtualizerApi.h" 24#include "media/EffectPresetReverbApi.h" 25#include "media/EffectEnvironmentalReverbApi.h" 26 27#include <system/audio.h> 28 29static const int EQUALIZER_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t) 30 + EFFECT_STRING_LEN_MAX; 31 32static const int BASSBOOST_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t); 33 34static const int VIRTUALIZER_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t); 35 36static const int ENVREVERB_PARAM_SIZE_MAX_SINGLE = sizeof(effect_param_t) + 2 * sizeof(int32_t); 37 38static const int ENVREVERB_PARAM_SIZE_MAX_ALL = sizeof(effect_param_t) + sizeof(int32_t) 39 + sizeof(s_reverb_settings); 40 41static const int PRESETREVERB_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t); 42 43static inline SLuint32 KEY_FROM_GUID(SLInterfaceID pUuid) { 44 return pUuid->time_low; 45} 46 47 48//----------------------------------------------------------------------------- 49uint32_t eq_paramSize(int32_t param) { 50 uint32_t size; 51 52 switch (param) { 53 case EQ_PARAM_NUM_BANDS: 54 case EQ_PARAM_LEVEL_RANGE: 55 case EQ_PARAM_CUR_PRESET: 56 case EQ_PARAM_GET_NUM_OF_PRESETS: 57 size = sizeof(int32_t); 58 break; 59 case EQ_PARAM_BAND_LEVEL: 60 case EQ_PARAM_CENTER_FREQ: 61 case EQ_PARAM_BAND_FREQ_RANGE: 62 case EQ_PARAM_GET_BAND: 63 case EQ_PARAM_GET_PRESET_NAME: 64 size = 2 * sizeof(int32_t); 65 break; 66 default: 67 size = 2 * sizeof(int32_t); 68 SL_LOGE("Trying to use an unknown EQ parameter %d", param); 69 break; 70 } 71 return size; 72} 73 74uint32_t eq_valueSize(int32_t param) { 75 uint32_t size; 76 77 switch (param) { 78 case EQ_PARAM_NUM_BANDS: 79 case EQ_PARAM_CUR_PRESET: 80 case EQ_PARAM_GET_NUM_OF_PRESETS: 81 case EQ_PARAM_BAND_LEVEL: 82 case EQ_PARAM_GET_BAND: 83 size = sizeof(int16_t); 84 break; 85 case EQ_PARAM_LEVEL_RANGE: 86 size = 2 * sizeof(int16_t); 87 break; 88 case EQ_PARAM_CENTER_FREQ: 89 size = sizeof(int32_t); 90 break; 91 case EQ_PARAM_BAND_FREQ_RANGE: 92 size = 2 * sizeof(int32_t); 93 break; 94 case EQ_PARAM_GET_PRESET_NAME: 95 size = EFFECT_STRING_LEN_MAX; 96 break; 97 default: 98 size = sizeof(int32_t); 99 SL_LOGE("Trying to access an unknown EQ parameter %d", param); 100 break; 101 } 102 return size; 103} 104 105//----------------------------------------------------------------------------- 106/** 107 * returns the size in bytes of the value of each bass boost parameter 108 */ 109uint32_t bb_valueSize(int32_t param) { 110 uint32_t size; 111 112 switch (param) { 113 case BASSBOOST_PARAM_STRENGTH_SUPPORTED: 114 size = sizeof(int32_t); 115 break; 116 case BASSBOOST_PARAM_STRENGTH: 117 size = sizeof(int16_t); 118 break; 119 default: 120 size = sizeof(int32_t); 121 SL_LOGE("Trying to access an unknown BassBoost parameter %d", param); 122 break; 123 } 124 125 return size; 126} 127 128//----------------------------------------------------------------------------- 129/** 130 * returns the size in bytes of the value of each virtualizer parameter 131 */ 132uint32_t virt_valueSize(int32_t param) { 133 uint32_t size; 134 135 switch (param) { 136 case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED: 137 size = sizeof(int32_t); 138 break; 139 case VIRTUALIZER_PARAM_STRENGTH: 140 size = sizeof(int16_t); 141 break; 142 default: 143 size = sizeof(int32_t); 144 SL_LOGE("Trying to access an unknown Virtualizer parameter %d", param); 145 break; 146 } 147 148 return size; 149} 150 151//----------------------------------------------------------------------------- 152/** 153 * returns the size in bytes of the value of each environmental reverb parameter 154 */ 155uint32_t erev_valueSize(int32_t param) { 156 uint32_t size; 157 158 switch (param) { 159 case REVERB_PARAM_ROOM_LEVEL: 160 case REVERB_PARAM_ROOM_HF_LEVEL: 161 case REVERB_PARAM_REFLECTIONS_LEVEL: 162 case REVERB_PARAM_REVERB_LEVEL: 163 size = sizeof(int16_t); // millibel 164 break; 165 case REVERB_PARAM_DECAY_TIME: 166 case REVERB_PARAM_REFLECTIONS_DELAY: 167 case REVERB_PARAM_REVERB_DELAY: 168 size = sizeof(uint32_t); // milliseconds 169 break; 170 case REVERB_PARAM_DECAY_HF_RATIO: 171 case REVERB_PARAM_DIFFUSION: 172 case REVERB_PARAM_DENSITY: 173 size = sizeof(int16_t); // permille 174 break; 175 case REVERB_PARAM_PROPERTIES: 176 size = sizeof(s_reverb_settings); // struct of all reverb properties 177 break; 178 default: 179 size = sizeof(int32_t); 180 SL_LOGE("Trying to access an unknown Environmental Reverb parameter %d", param); 181 break; 182 } 183 184 return size; 185} 186 187//----------------------------------------------------------------------------- 188android::status_t android_eq_getParam(android::sp<android::AudioEffect> pFx, 189 int32_t param, int32_t param2, void *pValue) 190{ 191 android::status_t status; 192 uint32_t buf32[(EQUALIZER_PARAM_SIZE_MAX - 1) / sizeof(uint32_t) + 1]; 193 effect_param_t *p = (effect_param_t *)buf32; 194 195 p->psize = eq_paramSize(param); 196 *(int32_t *)p->data = param; 197 if (p->psize == 2 * sizeof(int32_t)) { 198 *((int32_t *)p->data + 1) = param2; 199 } 200 p->vsize = eq_valueSize(param); 201 status = pFx->getParameter(p); 202 if (android::NO_ERROR == status) { 203 status = p->status; 204 if (android::NO_ERROR == status) { 205 memcpy(pValue, p->data + p->psize, p->vsize); 206 } 207 } 208 209 return status; 210 } 211 212 213//----------------------------------------------------------------------------- 214android::status_t android_eq_setParam(android::sp<android::AudioEffect> pFx, 215 int32_t param, int32_t param2, void *pValue) 216{ 217 android::status_t status; 218 uint32_t buf32[(EQUALIZER_PARAM_SIZE_MAX - 1) / sizeof(uint32_t) + 1]; 219 effect_param_t *p = (effect_param_t *)buf32; 220 221 p->psize = eq_paramSize(param); 222 *(int32_t *)p->data = param; 223 if (p->psize == 2 * sizeof(int32_t)) { 224 *((int32_t *)p->data + 1) = param2; 225 } 226 p->vsize = eq_valueSize(param); 227 memcpy(p->data + p->psize, pValue, p->vsize); 228 status = pFx->setParameter(p); 229 if (android::NO_ERROR == status) { 230 status = p->status; 231 } 232 233 return status; 234} 235 236//----------------------------------------------------------------------------- 237android::status_t android_bb_setParam(android::sp<android::AudioEffect> pFx, 238 int32_t param, void *pValue) { 239 240 return android_fx_setParam(pFx, param, BASSBOOST_PARAM_SIZE_MAX, 241 pValue, bb_valueSize(param)); 242} 243 244//----------------------------------------------------------------------------- 245android::status_t android_bb_getParam(android::sp<android::AudioEffect> pFx, 246 int32_t param, void *pValue) { 247 248 return android_fx_getParam(pFx, param, BASSBOOST_PARAM_SIZE_MAX, 249 pValue, bb_valueSize(param)); 250} 251 252//----------------------------------------------------------------------------- 253void android_bb_init(int sessionId, IBassBoost* ibb) { 254 SL_LOGV("session %d", sessionId); 255 256 if (!android_fx_initEffectObj(sessionId, ibb->mBassBoostEffect, 257 &ibb->mBassBoostDescriptor.type)) 258 { 259 SL_LOGE("BassBoost effect initialization failed"); 260 return; 261 } 262 263 // initialize strength 264 int16_t strength; 265 if (android::NO_ERROR == android_bb_getParam(ibb->mBassBoostEffect, 266 BASSBOOST_PARAM_STRENGTH, &strength)) { 267 ibb->mStrength = (SLpermille) strength; 268 } 269} 270 271 272//----------------------------------------------------------------------------- 273void android_eq_init(int sessionId, IEqualizer* ieq) { 274 SL_LOGV("android_eq_init on session %d", sessionId); 275 276 if (!android_fx_initEffectObj(sessionId, ieq->mEqEffect, &ieq->mEqDescriptor.type)) { 277 SL_LOGE("Equalizer effect initialization failed"); 278 return; 279 } 280 281 // initialize number of bands, band level range, and number of presets 282 uint16_t num = 0; 283 if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, EQ_PARAM_NUM_BANDS, 0, &num)) { 284 ieq->mNumBands = num; 285 } 286 int16_t range[2] = {0, 0}; 287 if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, EQ_PARAM_LEVEL_RANGE, 0, range)) { 288 ieq->mBandLevelRangeMin = range[0]; 289 ieq->mBandLevelRangeMax = range[1]; 290 } 291 292 SL_LOGV(" EQ init: num bands = %u, band range=[%d %d]mB", num, range[0], range[1]); 293 294 // FIXME don't store presets names, they can be queried each time they're needed 295 // initialize preset number and names, store in IEngine 296 uint16_t numPresets = 0; 297 if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, 298 EQ_PARAM_GET_NUM_OF_PRESETS, 0, &numPresets)) { 299 ieq->mThis->mEngine->mEqNumPresets = numPresets; 300 ieq->mNumPresets = numPresets; 301 } 302 303 object_lock_exclusive(&ieq->mThis->mEngine->mObject); 304 char name[EFFECT_STRING_LEN_MAX]; 305 if ((0 < numPresets) && (NULL == ieq->mThis->mEngine->mEqPresetNames)) { 306 ieq->mThis->mEngine->mEqPresetNames = (char **)new char *[numPresets]; 307 for(uint32_t i = 0 ; i < numPresets ; i++) { 308 if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, 309 EQ_PARAM_GET_PRESET_NAME, i, name)) { 310 ieq->mThis->mEngine->mEqPresetNames[i] = new char[strlen(name) + 1]; 311 strcpy(ieq->mThis->mEngine->mEqPresetNames[i], name); 312 SL_LOGV(" EQ init: presets = %u is %s", i, ieq->mThis->mEngine->mEqPresetNames[i]); 313 } 314 } 315 } 316 object_unlock_exclusive(&ieq->mThis->mEngine->mObject); 317 318} 319 320 321//----------------------------------------------------------------------------- 322void android_virt_init(int sessionId, IVirtualizer* ivi) { 323 SL_LOGV("android_virt_init on session %d", sessionId); 324 325 if (!android_fx_initEffectObj(sessionId, ivi->mVirtualizerEffect, 326 &ivi->mVirtualizerDescriptor.type)) { 327 SL_LOGE("Virtualizer effect initialization failed"); 328 return; 329 } 330 331 // initialize strength 332 int16_t strength; 333 if (android::NO_ERROR == android_virt_getParam(ivi->mVirtualizerEffect, 334 VIRTUALIZER_PARAM_STRENGTH, &strength)) { 335 ivi->mStrength = (SLpermille) strength; 336 } 337} 338 339//----------------------------------------------------------------------------- 340android::status_t android_virt_setParam(android::sp<android::AudioEffect> pFx, 341 int32_t param, void *pValue) { 342 343 return android_fx_setParam(pFx, param, VIRTUALIZER_PARAM_SIZE_MAX, 344 pValue, virt_valueSize(param)); 345} 346 347//----------------------------------------------------------------------------- 348android::status_t android_virt_getParam(android::sp<android::AudioEffect> pFx, 349 int32_t param, void *pValue) { 350 351 return android_fx_getParam(pFx, param, VIRTUALIZER_PARAM_SIZE_MAX, 352 pValue, virt_valueSize(param)); 353} 354 355 356//----------------------------------------------------------------------------- 357void android_prev_init(IPresetReverb* ipr) { 358 SL_LOGV("session is implicitly %d (aux effect)", AUDIO_SESSION_OUTPUT_MIX); 359 360 if (!android_fx_initEffectObj(AUDIO_SESSION_OUTPUT_MIX /*sessionId*/, 361 ipr->mPresetReverbEffect, &ipr->mPresetReverbDescriptor.type)) { 362 SL_LOGE("PresetReverb effect initialization failed"); 363 return; 364 } 365 366 // initialize preset 367 uint16_t preset; 368 if (android::NO_ERROR == android_prev_getPreset(ipr->mPresetReverbEffect, &preset)) { 369 ipr->mPreset = preset; 370 // enable the effect is it has a effective preset loaded 371 ipr->mPresetReverbEffect->setEnabled(SL_REVERBPRESET_NONE != preset); 372 } 373} 374 375//----------------------------------------------------------------------------- 376android::status_t android_prev_setPreset(android::sp<android::AudioEffect> pFx, uint16_t preset) { 377 android::status_t status = android_fx_setParam(pFx, REVERB_PARAM_PRESET, 378 PRESETREVERB_PARAM_SIZE_MAX, &preset, sizeof(uint16_t)); 379 // enable the effect if the preset is different from SL_REVERBPRESET_NONE 380 pFx->setEnabled(SL_REVERBPRESET_NONE != preset); 381 return status; 382} 383 384//----------------------------------------------------------------------------- 385android::status_t android_prev_getPreset(android::sp<android::AudioEffect> pFx, uint16_t* preset) { 386 return android_fx_getParam(pFx, REVERB_PARAM_PRESET, PRESETREVERB_PARAM_SIZE_MAX, preset, 387 sizeof(uint16_t)); 388} 389 390 391//----------------------------------------------------------------------------- 392void android_erev_init(IEnvironmentalReverb* ier) { 393 SL_LOGV("session is implicitly %d (aux effect)", AUDIO_SESSION_OUTPUT_MIX); 394 395 if (!android_fx_initEffectObj(AUDIO_SESSION_OUTPUT_MIX /*sessionId*/, 396 ier->mEnvironmentalReverbEffect, &ier->mEnvironmentalReverbDescriptor.type)) { 397 SL_LOGE("EnvironmentalReverb effect initialization failed"); 398 return; 399 } 400 401 // enable env reverb: other SL ES effects have an explicit SetEnabled() function, and the 402 // preset reverb state depends on the selected preset. 403 ier->mEnvironmentalReverbEffect->setEnabled(true); 404 405 // initialize reverb properties 406 SLEnvironmentalReverbSettings properties; 407 if (android::NO_ERROR == android_erev_getParam(ier->mEnvironmentalReverbEffect, 408 REVERB_PARAM_PROPERTIES, &properties)) { 409 ier->mProperties = properties; 410 } 411} 412 413//----------------------------------------------------------------------------- 414android::status_t android_erev_setParam(android::sp<android::AudioEffect> pFx, 415 int32_t param, void *pValue) { 416 417 // given the size difference between a single reverb property and the whole set of reverb 418 // properties, select which max size to pass to avoid allocating too much memory 419 if (param == REVERB_PARAM_PROPERTIES) { 420 return android_fx_setParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_ALL, 421 pValue, erev_valueSize(param)); 422 } else { 423 return android_fx_setParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_SINGLE, 424 pValue, erev_valueSize(param)); 425 } 426} 427 428//----------------------------------------------------------------------------- 429android::status_t android_erev_getParam(android::sp<android::AudioEffect> pFx, 430 int32_t param, void *pValue) { 431 432 // given the size difference between a single reverb property and the whole set of reverb 433 // properties, select which max size to pass to avoid allocating too much memory 434 if (param == REVERB_PARAM_PROPERTIES) { 435 return android_fx_getParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_ALL, 436 pValue, erev_valueSize(param)); 437 } else { 438 return android_fx_getParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_SINGLE, 439 pValue, erev_valueSize(param)); 440 } 441} 442 443 444//----------------------------------------------------------------------------- 445android::status_t android_fxSend_attach(CAudioPlayer* ap, bool attach, 446 android::sp<android::AudioEffect> pFx, SLmillibel sendLevel) { 447 448 if (pFx == 0) { 449 return android::INVALID_OPERATION; 450 } 451 452 if (ap->mAudioTrack == 0) { 453 // the player doesn't have an AudioTrack at the moment, so store this info to use it 454 // when the AudioTrack becomes available 455 if (attach) { 456 ap->mAuxEffect = pFx; 457 } else { 458 ap->mAuxEffect.clear(); 459 } 460 // we keep track of the send level, independently of the current audio player level 461 ap->mAuxSendLevel = sendLevel - ap->mVolume.mLevel; 462 return android::NO_ERROR; 463 } 464 465 if (attach) { 466 android::status_t status = ap->mAudioTrack->attachAuxEffect(pFx->id()); 467 //SL_LOGV("attachAuxEffect(%d) returned %d", pFx->id(), status); 468 if (android::NO_ERROR == status) { 469 status = 470 ap->mAudioTrack->setAuxEffectSendLevel( sles_to_android_amplification(sendLevel) ); 471 } 472 return status; 473 } else { 474 return ap->mAudioTrack->attachAuxEffect(0); 475 } 476} 477 478//----------------------------------------------------------------------------- 479/** 480 * pre-condition: 481 * ap != NULL 482 * ap->mOutputMix != NULL 483 */ 484SLresult android_fxSend_attachToAux(CAudioPlayer* ap, SLInterfaceID pUuid, SLboolean attach, 485 SLmillibel sendLevel) { 486 COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap); 487 ssize_t index = outputMix->mAndroidEffect.mEffects->indexOfKey(KEY_FROM_GUID(pUuid)); 488 489 if (0 > index) { 490 SL_LOGE("invalid effect ID: no such effect attached to the OutputMix"); 491 return SL_RESULT_PARAMETER_INVALID; 492 } 493 494 android::AudioEffect* pFx = outputMix->mAndroidEffect.mEffects->valueAt(index); 495 if (NULL == pFx) { 496 return SL_RESULT_RESOURCE_ERROR; 497 } 498 if (android::NO_ERROR == android_fxSend_attach( ap, (bool) attach, pFx, sendLevel) ) { 499 return SL_RESULT_SUCCESS; 500 } else { 501 return SL_RESULT_RESOURCE_ERROR; 502 } 503 504} 505 506//----------------------------------------------------------------------------- 507android::status_t android_fxSend_setSendLevel(CAudioPlayer* ap, SLmillibel sendLevel) { 508 // we keep track of the send level, independently of the current audio player level 509 ap->mAuxSendLevel = sendLevel - ap->mVolume.mLevel; 510 511 if (ap->mAudioTrack == 0) { 512 return android::NO_ERROR; 513 } 514 515 return ap->mAudioTrack->setAuxEffectSendLevel( sles_to_android_amplification(sendLevel) ); 516} 517 518//----------------------------------------------------------------------------- 519android::status_t android_fx_setParam(android::sp<android::AudioEffect> pFx, 520 int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize) 521{ 522 523 android::status_t status; 524 uint32_t buf32[(paramSizeMax - 1) / sizeof(uint32_t) + 1]; 525 effect_param_t *p = (effect_param_t *)buf32; 526 527 p->psize = sizeof(int32_t); 528 *(int32_t *)p->data = param; 529 p->vsize = valueSize; 530 memcpy(p->data + p->psize, pValue, p->vsize); 531 status = pFx->setParameter(p); 532 if (android::NO_ERROR == status) { 533 status = p->status; 534 } 535 return status; 536} 537 538 539//----------------------------------------------------------------------------- 540android::status_t android_fx_getParam(android::sp<android::AudioEffect> pFx, 541 int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize) 542{ 543 android::status_t status; 544 uint32_t buf32[(paramSizeMax - 1) / sizeof(uint32_t) + 1]; 545 effect_param_t *p = (effect_param_t *)buf32; 546 547 p->psize = sizeof(int32_t); 548 *(int32_t *)p->data = param; 549 p->vsize = valueSize; 550 status = pFx->getParameter(p); 551 if (android::NO_ERROR == status) { 552 status = p->status; 553 if (android::NO_ERROR == status) { 554 memcpy(pValue, p->data + p->psize, p->vsize); 555 } 556 } 557 558 return status; 559} 560 561 562//----------------------------------------------------------------------------- 563SLresult android_fx_statusToResult(android::status_t status) { 564 565 if ((android::INVALID_OPERATION == status) || (android::DEAD_OBJECT == status)) { 566 return SL_RESULT_CONTROL_LOST; 567 } else { 568 return SL_RESULT_SUCCESS; 569 } 570} 571 572 573//----------------------------------------------------------------------------- 574bool android_fx_initEffectObj(int sessionId, android::sp<android::AudioEffect>& effect, 575 const effect_uuid_t *type) { 576 //SL_LOGV("android_fx_initEffectObj on session %d", sessionId); 577 578 effect = new android::AudioEffect(type, EFFECT_UUID_NULL, 579 0,// priority 580 0,// effect callback 581 0,// callback data 582 sessionId,// session ID 583 0 );// output 584 585 android::status_t status = effect->initCheck(); 586 if (android::NO_ERROR != status) { 587 effect.clear(); 588 SL_LOGE("Effect initCheck() returned %d", status); 589 return false; 590 } 591 592 return true; 593} 594 595 596//----------------------------------------------------------------------------- 597bool android_fx_initEffectDescriptor(const SLInterfaceID effectId, 598 effect_descriptor_t* fxDescrLoc) { 599 uint32_t numEffects = 0; 600 effect_descriptor_t descriptor; 601 bool foundEffect = false; 602 603 // any effects? 604 android::status_t res = android::AudioEffect::queryNumberEffects(&numEffects); 605 if (android::NO_ERROR != res) { 606 SL_LOGE("unable to find any effects."); 607 goto effectError; 608 } 609 610 // request effect in the effects? 611 for (uint32_t i=0 ; i < numEffects ; i++) { 612 res = android::AudioEffect::queryEffect(i, &descriptor); 613 if ((android::NO_ERROR == res) && 614 (0 == memcmp(effectId, &descriptor.type, sizeof(effect_uuid_t)))) { 615 SL_LOGV("found effect %d %s", i, descriptor.name); 616 foundEffect = true; 617 break; 618 } 619 } 620 if (foundEffect) { 621 memcpy(fxDescrLoc, &descriptor, sizeof(effect_descriptor_t)); 622 } else { 623 SL_LOGE("unable to find an implementation for the requested effect."); 624 goto effectError; 625 } 626 627 return true; 628 629effectError: 630 // the requested effect wasn't found 631 memset(fxDescrLoc, 0, sizeof(effect_descriptor_t)); 632 633 return false; 634} 635 636//----------------------------------------------------------------------------- 637SLresult android_genericFx_queryNumEffects(SLuint32 *pNumSupportedAudioEffects) { 638 639 if (NULL == pNumSupportedAudioEffects) { 640 return SL_RESULT_PARAMETER_INVALID; 641 } 642 643 android::status_t status = 644 android::AudioEffect::queryNumberEffects((uint32_t*)pNumSupportedAudioEffects); 645 646 SLresult result = SL_RESULT_SUCCESS; 647 switch(status) { 648 case android::NO_ERROR: 649 result = SL_RESULT_SUCCESS; 650 break; 651 case android::PERMISSION_DENIED: 652 result = SL_RESULT_PERMISSION_DENIED; 653 break; 654 case android::NO_INIT: 655 result = SL_RESULT_RESOURCE_ERROR; 656 break; 657 case android::BAD_VALUE: 658 result = SL_RESULT_PARAMETER_INVALID; 659 break; 660 default: 661 result = SL_RESULT_INTERNAL_ERROR; 662 SL_LOGE("received invalid status %d from AudioEffect::queryNumberEffects()", status); 663 break; 664 } 665 return result; 666} 667 668 669//----------------------------------------------------------------------------- 670SLresult android_genericFx_queryEffect(SLuint32 index, effect_descriptor_t* pDescriptor) { 671 672 if (NULL == pDescriptor) { 673 return SL_RESULT_PARAMETER_INVALID; 674 } 675 676 android::status_t status = 677 android::AudioEffect::queryEffect(index, pDescriptor); 678 679 SLresult result = SL_RESULT_SUCCESS; 680 if (android::NO_ERROR != status) { 681 switch(status) { 682 case android::PERMISSION_DENIED: 683 result = SL_RESULT_PERMISSION_DENIED; 684 break; 685 case android::NO_INIT: 686 case android::INVALID_OPERATION: 687 result = SL_RESULT_RESOURCE_ERROR; 688 break; 689 case android::BAD_VALUE: 690 result = SL_RESULT_PARAMETER_INVALID; 691 break; 692 default: 693 result = SL_RESULT_INTERNAL_ERROR; 694 SL_LOGE("received invalid status %d from AudioEffect::queryNumberEffects()", status); 695 break; 696 } 697 // an error occurred, reset the effect descriptor 698 memset(pDescriptor, 0, sizeof(effect_descriptor_t)); 699 } 700 701 return result; 702} 703 704 705//----------------------------------------------------------------------------- 706SLresult android_genericFx_createEffect(IAndroidEffect* iae, SLInterfaceID pUuid, int sessionId) { 707 708 SLresult result = SL_RESULT_SUCCESS; 709 710 // does this effect already exist? 711 if (0 <= iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid))) { 712 return result; 713 } 714 715 // create new effect 716 android::AudioEffect* pFx = new android::AudioEffect( 717 NULL, // not using type to create effect 718 (const effect_uuid_t*)pUuid, 719 0,// priority 720 0,// effect callback 721 0,// callback data 722 sessionId, 723 0 );// output 724 725 // verify effect was successfully created before storing it 726 android::status_t status = pFx->initCheck(); 727 if (android::NO_ERROR != status) { 728 SL_LOGE("AudioEffect initCheck() returned %d, effect will not be stored", status); 729 delete pFx; 730 result = SL_RESULT_RESOURCE_ERROR; 731 } else { 732 SL_LOGV("AudioEffect successfully created on session %d", sessionId); 733 iae->mEffects->add(KEY_FROM_GUID(pUuid), pFx); 734 } 735 736 return result; 737} 738 739 740//----------------------------------------------------------------------------- 741SLresult android_genericFx_releaseEffect(IAndroidEffect* iae, SLInterfaceID pUuid) { 742 743 ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid)); 744 745 if (0 > index) { 746 return SL_RESULT_PARAMETER_INVALID; 747 } else { 748 android::AudioEffect* pFx = iae->mEffects->valueAt(index); 749 delete pFx; 750 iae->mEffects->removeItem(index); 751 return SL_RESULT_SUCCESS; 752 } 753} 754 755 756//----------------------------------------------------------------------------- 757SLresult android_genericFx_setEnabled(IAndroidEffect* iae, SLInterfaceID pUuid, SLboolean enabled) { 758 759 ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid)); 760 761 if (0 > index) { 762 return SL_RESULT_PARAMETER_INVALID; 763 } else { 764 android::AudioEffect* pFx = iae->mEffects->valueAt(index); 765 android::status_t status = pFx->setEnabled(SL_BOOLEAN_TRUE == enabled); 766 return android_fx_statusToResult(status); 767 } 768} 769 770 771//----------------------------------------------------------------------------- 772SLresult android_genericFx_isEnabled(IAndroidEffect* iae, SLInterfaceID pUuid, SLboolean *pEnabled) 773{ 774 ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid)); 775 776 if (0 > index) { 777 return SL_RESULT_PARAMETER_INVALID; 778 } else { 779 android::AudioEffect* pFx = iae->mEffects->valueAt(index); 780 *pEnabled = (SLboolean) pFx->getEnabled(); 781 return SL_RESULT_SUCCESS; 782 } 783} 784 785 786//----------------------------------------------------------------------------- 787SLresult android_genericFx_sendCommand(IAndroidEffect* iae, SLInterfaceID pUuid, 788 SLuint32 command, SLuint32 commandSize, void* pCommandData, 789 SLuint32 *replySize, void *pReplyData) { 790 791 ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid)); 792 793 if (0 > index) { 794 return SL_RESULT_PARAMETER_INVALID; 795 } else { 796 android::AudioEffect* pFx = iae->mEffects->valueAt(index); 797 android::status_t status = pFx->command( 798 (uint32_t) command, 799 (uint32_t) commandSize, 800 pCommandData, 801 (uint32_t*)replySize, 802 pReplyData); 803 if (android::BAD_VALUE == status) { 804 return SL_RESULT_PARAMETER_INVALID; 805 } else { 806 return SL_RESULT_SUCCESS; 807 } 808 } 809} 810 811//----------------------------------------------------------------------------- 812/** 813 * returns true if the given effect id is present in the AndroidEffect interface 814 */ 815bool android_genericFx_hasEffect(IAndroidEffect* iae, SLInterfaceID pUuid) { 816 return( 0 <= iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid))); 817} 818