1 /* 2 ** 3 ** Copyright 2008, 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 // Proxy for media player implementations 19 20 //#define LOG_NDEBUG 0 21 #define LOG_TAG "MediaPlayerService" 22 #include <utils/Log.h> 23 24 #include <sys/types.h> 25 #include <sys/stat.h> 26 #include <sys/time.h> 27 #include <dirent.h> 28 #include <unistd.h> 29 30 #include <string.h> 31 32 #include <cutils/atomic.h> 33 #include <cutils/properties.h> // for property_get 34 35 #include <utils/misc.h> 36 37 #include <binder/IPCThreadState.h> 38 #include <binder/IServiceManager.h> 39 #include <binder/MemoryHeapBase.h> 40 #include <binder/MemoryBase.h> 41 #include <gui/Surface.h> 42 #include <utils/Errors.h> // for status_t 43 #include <utils/String8.h> 44 #include <utils/SystemClock.h> 45 #include <utils/Timers.h> 46 #include <utils/Vector.h> 47 48 #include <media/AudioPolicyHelper.h> 49 #include <media/IMediaHTTPService.h> 50 #include <media/IRemoteDisplay.h> 51 #include <media/IRemoteDisplayClient.h> 52 #include <media/MediaPlayerInterface.h> 53 #include <media/mediarecorder.h> 54 #include <media/MediaMetadataRetrieverInterface.h> 55 #include <media/Metadata.h> 56 #include <media/AudioTrack.h> 57 #include <media/MemoryLeakTrackUtil.h> 58 #include <media/stagefright/MediaCodecList.h> 59 #include <media/stagefright/MediaErrors.h> 60 #include <media/stagefright/Utils.h> 61 #include <media/stagefright/foundation/ADebug.h> 62 #include <media/stagefright/foundation/ALooperRoster.h> 63 #include <media/stagefright/SurfaceUtils.h> 64 #include <mediautils/BatteryNotifier.h> 65 66 #include <memunreachable/memunreachable.h> 67 #include <system/audio.h> 68 69 #include <private/android_filesystem_config.h> 70 71 #include "ActivityManager.h" 72 #include "MediaRecorderClient.h" 73 #include "MediaPlayerService.h" 74 #include "MetadataRetrieverClient.h" 75 #include "MediaPlayerFactory.h" 76 77 #include "TestPlayerStub.h" 78 #include "nuplayer/NuPlayerDriver.h" 79 80 #include <OMX.h> 81 82 #include "HDCP.h" 83 #include "HTTPBase.h" 84 #include "RemoteDisplay.h" 85 86 namespace { 87 using android::media::Metadata; 88 using android::status_t; 89 using android::OK; 90 using android::BAD_VALUE; 91 using android::NOT_ENOUGH_DATA; 92 using android::Parcel; 93 94 // Max number of entries in the filter. 95 const int kMaxFilterSize = 64; // I pulled that out of thin air. 96 97 const float kMaxRequiredSpeed = 8.0f; // for PCM tracks allow up to 8x speedup. 98 99 // FIXME: Move all the metadata related function in the Metadata.cpp 100 101 102 // Unmarshall a filter from a Parcel. 103 // Filter format in a parcel: 104 // 105 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 106 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107 // | number of entries (n) | 108 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 109 // | metadata type 1 | 110 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 111 // | metadata type 2 | 112 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 113 // .... 114 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 115 // | metadata type n | 116 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 117 // 118 // @param p Parcel that should start with a filter. 119 // @param[out] filter On exit contains the list of metadata type to be 120 // filtered. 121 // @param[out] status On exit contains the status code to be returned. 122 // @return true if the parcel starts with a valid filter. 123 bool unmarshallFilter(const Parcel& p, 124 Metadata::Filter *filter, 125 status_t *status) 126 { 127 int32_t val; 128 if (p.readInt32(&val) != OK) 129 { 130 ALOGE("Failed to read filter's length"); 131 *status = NOT_ENOUGH_DATA; 132 return false; 133 } 134 135 if( val > kMaxFilterSize || val < 0) 136 { 137 ALOGE("Invalid filter len %d", val); 138 *status = BAD_VALUE; 139 return false; 140 } 141 142 const size_t num = val; 143 144 filter->clear(); 145 filter->setCapacity(num); 146 147 size_t size = num * sizeof(Metadata::Type); 148 149 150 if (p.dataAvail() < size) 151 { 152 ALOGE("Filter too short expected %zu but got %zu", size, p.dataAvail()); 153 *status = NOT_ENOUGH_DATA; 154 return false; 155 } 156 157 const Metadata::Type *data = 158 static_cast<const Metadata::Type*>(p.readInplace(size)); 159 160 if (NULL == data) 161 { 162 ALOGE("Filter had no data"); 163 *status = BAD_VALUE; 164 return false; 165 } 166 167 // TODO: The stl impl of vector would be more efficient here 168 // because it degenerates into a memcpy on pod types. Try to 169 // replace later or use stl::set. 170 for (size_t i = 0; i < num; ++i) 171 { 172 filter->add(*data); 173 ++data; 174 } 175 *status = OK; 176 return true; 177 } 178 179 // @param filter Of metadata type. 180 // @param val To be searched. 181 // @return true if a match was found. 182 bool findMetadata(const Metadata::Filter& filter, const int32_t val) 183 { 184 // Deal with empty and ANY right away 185 if (filter.isEmpty()) return false; 186 if (filter[0] == Metadata::kAny) return true; 187 188 return filter.indexOf(val) >= 0; 189 } 190 191 } // anonymous namespace 192 193 194 namespace { 195 using android::Parcel; 196 using android::String16; 197 198 // marshalling tag indicating flattened utf16 tags 199 // keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java 200 const int32_t kAudioAttributesMarshallTagFlattenTags = 1; 201 202 // Audio attributes format in a parcel: 203 // 204 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 205 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 206 // | usage | 207 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 208 // | content_type | 209 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 210 // | source | 211 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 212 // | flags | 213 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 214 // | kAudioAttributesMarshallTagFlattenTags | // ignore tags if not found 215 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 216 // | flattened tags in UTF16 | 217 // | ... | 218 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 219 // 220 // @param p Parcel that contains audio attributes. 221 // @param[out] attributes On exit points to an initialized audio_attributes_t structure 222 // @param[out] status On exit contains the status code to be returned. 223 void unmarshallAudioAttributes(const Parcel& parcel, audio_attributes_t *attributes) 224 { 225 attributes->usage = (audio_usage_t) parcel.readInt32(); 226 attributes->content_type = (audio_content_type_t) parcel.readInt32(); 227 attributes->source = (audio_source_t) parcel.readInt32(); 228 attributes->flags = (audio_flags_mask_t) parcel.readInt32(); 229 const bool hasFlattenedTag = (parcel.readInt32() == kAudioAttributesMarshallTagFlattenTags); 230 if (hasFlattenedTag) { 231 // the tags are UTF16, convert to UTF8 232 String16 tags = parcel.readString16(); 233 ssize_t realTagSize = utf16_to_utf8_length(tags.string(), tags.size()); 234 if (realTagSize <= 0) { 235 strcpy(attributes->tags, ""); 236 } else { 237 // copy the flattened string into the attributes as the destination for the conversion: 238 // copying array size -1, array for tags was calloc'd, no need to NULL-terminate it 239 size_t tagSize = realTagSize > AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 ? 240 AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 : realTagSize; 241 utf16_to_utf8(tags.string(), tagSize, attributes->tags, 242 sizeof(attributes->tags) / sizeof(attributes->tags[0])); 243 } 244 } else { 245 ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values"); 246 strcpy(attributes->tags, ""); 247 } 248 } 249 } // anonymous namespace 250 251 252 namespace android { 253 254 extern ALooperRoster gLooperRoster; 255 256 257 static bool checkPermission(const char* permissionString) { 258 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 259 bool ok = checkCallingPermission(String16(permissionString)); 260 if (!ok) ALOGE("Request requires %s", permissionString); 261 return ok; 262 } 263 264 // TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 265 /* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 266 /* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 267 268 void MediaPlayerService::instantiate() { 269 defaultServiceManager()->addService( 270 String16("media.player"), new MediaPlayerService()); 271 } 272 273 MediaPlayerService::MediaPlayerService() 274 { 275 ALOGV("MediaPlayerService created"); 276 mNextConnId = 1; 277 278 MediaPlayerFactory::registerBuiltinFactories(); 279 } 280 281 MediaPlayerService::~MediaPlayerService() 282 { 283 ALOGV("MediaPlayerService destroyed"); 284 } 285 286 sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(const String16 &opPackageName) 287 { 288 pid_t pid = IPCThreadState::self()->getCallingPid(); 289 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid, opPackageName); 290 wp<MediaRecorderClient> w = recorder; 291 Mutex::Autolock lock(mLock); 292 mMediaRecorderClients.add(w); 293 ALOGV("Create new media recorder client from pid %d", pid); 294 return recorder; 295 } 296 297 void MediaPlayerService::removeMediaRecorderClient(const wp<MediaRecorderClient>& client) 298 { 299 Mutex::Autolock lock(mLock); 300 mMediaRecorderClients.remove(client); 301 ALOGV("Delete media recorder client"); 302 } 303 304 sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 305 { 306 pid_t pid = IPCThreadState::self()->getCallingPid(); 307 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 308 ALOGV("Create new media retriever from pid %d", pid); 309 return retriever; 310 } 311 312 sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 313 audio_session_t audioSessionId) 314 { 315 pid_t pid = IPCThreadState::self()->getCallingPid(); 316 int32_t connId = android_atomic_inc(&mNextConnId); 317 318 sp<Client> c = new Client( 319 this, pid, connId, client, audioSessionId, 320 IPCThreadState::self()->getCallingUid()); 321 322 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 323 IPCThreadState::self()->getCallingUid()); 324 325 wp<Client> w = c; 326 { 327 Mutex::Autolock lock(mLock); 328 mClients.add(w); 329 } 330 return c; 331 } 332 333 sp<IMediaCodecList> MediaPlayerService::getCodecList() const { 334 return MediaCodecList::getLocalInstance(); 335 } 336 337 sp<IOMX> MediaPlayerService::getOMX() { 338 ALOGI("MediaPlayerService::getOMX"); 339 Mutex::Autolock autoLock(mLock); 340 341 if (mOMX.get() == NULL) { 342 mOMX = new OMX; 343 } 344 345 return mOMX; 346 } 347 348 sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 349 return new HDCP(createEncryptionModule); 350 } 351 352 sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 353 const String16 &opPackageName, 354 const sp<IRemoteDisplayClient>& client, const String8& iface) { 355 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 356 return NULL; 357 } 358 359 return new RemoteDisplay(opPackageName, client, iface.string()); 360 } 361 362 status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 363 { 364 const size_t SIZE = 256; 365 char buffer[SIZE]; 366 String8 result; 367 368 result.append(" AudioOutput\n"); 369 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 370 mStreamType, mLeftVolume, mRightVolume); 371 result.append(buffer); 372 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 373 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 374 result.append(buffer); 375 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 376 mAuxEffectId, mSendLevel); 377 result.append(buffer); 378 379 ::write(fd, result.string(), result.size()); 380 if (mTrack != 0) { 381 mTrack->dump(fd, args); 382 } 383 return NO_ERROR; 384 } 385 386 status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) 387 { 388 const size_t SIZE = 256; 389 char buffer[SIZE]; 390 String8 result; 391 result.append(" Client\n"); 392 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 393 mPid, mConnId, mStatus, mLoop?"true": "false"); 394 result.append(buffer); 395 write(fd, result.string(), result.size()); 396 if (mPlayer != NULL) { 397 mPlayer->dump(fd, args); 398 } 399 if (mAudioOutput != 0) { 400 mAudioOutput->dump(fd, args); 401 } 402 write(fd, "\n", 1); 403 return NO_ERROR; 404 } 405 406 /** 407 * The only arguments this understands right now are -c, -von and -voff, 408 * which are parsed by ALooperRoster::dump() 409 */ 410 status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 411 { 412 const size_t SIZE = 256; 413 char buffer[SIZE]; 414 String8 result; 415 SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction. 416 SortedVector< sp<MediaRecorderClient> > mediaRecorderClients; 417 418 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 419 snprintf(buffer, SIZE, "Permission Denial: " 420 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 421 IPCThreadState::self()->getCallingPid(), 422 IPCThreadState::self()->getCallingUid()); 423 result.append(buffer); 424 } else { 425 Mutex::Autolock lock(mLock); 426 for (int i = 0, n = mClients.size(); i < n; ++i) { 427 sp<Client> c = mClients[i].promote(); 428 if (c != 0) c->dump(fd, args); 429 clients.add(c); 430 } 431 if (mMediaRecorderClients.size() == 0) { 432 result.append(" No media recorder client\n\n"); 433 } else { 434 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 435 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 436 if (c != 0) { 437 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 438 result.append(buffer); 439 write(fd, result.string(), result.size()); 440 result = "\n"; 441 c->dump(fd, args); 442 mediaRecorderClients.add(c); 443 } 444 } 445 } 446 447 result.append(" Files opened and/or mapped:\n"); 448 snprintf(buffer, SIZE, "/proc/%d/maps", getpid()); 449 FILE *f = fopen(buffer, "r"); 450 if (f) { 451 while (!feof(f)) { 452 fgets(buffer, SIZE, f); 453 if (strstr(buffer, " /storage/") || 454 strstr(buffer, " /system/sounds/") || 455 strstr(buffer, " /data/") || 456 strstr(buffer, " /system/media/")) { 457 result.append(" "); 458 result.append(buffer); 459 } 460 } 461 fclose(f); 462 } else { 463 result.append("couldn't open "); 464 result.append(buffer); 465 result.append("\n"); 466 } 467 468 snprintf(buffer, SIZE, "/proc/%d/fd", getpid()); 469 DIR *d = opendir(buffer); 470 if (d) { 471 struct dirent *ent; 472 while((ent = readdir(d)) != NULL) { 473 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 474 snprintf(buffer, SIZE, "/proc/%d/fd/%s", getpid(), ent->d_name); 475 struct stat s; 476 if (lstat(buffer, &s) == 0) { 477 if ((s.st_mode & S_IFMT) == S_IFLNK) { 478 char linkto[256]; 479 int len = readlink(buffer, linkto, sizeof(linkto)); 480 if(len > 0) { 481 if(len > 255) { 482 linkto[252] = '.'; 483 linkto[253] = '.'; 484 linkto[254] = '.'; 485 linkto[255] = 0; 486 } else { 487 linkto[len] = 0; 488 } 489 if (strstr(linkto, "/storage/") == linkto || 490 strstr(linkto, "/system/sounds/") == linkto || 491 strstr(linkto, "/data/") == linkto || 492 strstr(linkto, "/system/media/") == linkto) { 493 result.append(" "); 494 result.append(buffer); 495 result.append(" -> "); 496 result.append(linkto); 497 result.append("\n"); 498 } 499 } 500 } else { 501 result.append(" unexpected type for "); 502 result.append(buffer); 503 result.append("\n"); 504 } 505 } 506 } 507 } 508 closedir(d); 509 } else { 510 result.append("couldn't open "); 511 result.append(buffer); 512 result.append("\n"); 513 } 514 515 gLooperRoster.dump(fd, args); 516 517 bool dumpMem = false; 518 bool unreachableMemory = false; 519 for (size_t i = 0; i < args.size(); i++) { 520 if (args[i] == String16("-m")) { 521 dumpMem = true; 522 } else if (args[i] == String16("--unreachable")) { 523 unreachableMemory = true; 524 } 525 } 526 if (dumpMem) { 527 result.append("\nDumping memory:\n"); 528 std::string s = dumpMemoryAddresses(100 /* limit */); 529 result.append(s.c_str(), s.size()); 530 } 531 if (unreachableMemory) { 532 result.append("\nDumping unreachable memory:\n"); 533 // TODO - should limit be an argument parameter? 534 std::string s = GetUnreachableMemoryString(true /* contents */, 10000 /* limit */); 535 result.append(s.c_str(), s.size()); 536 } 537 } 538 write(fd, result.string(), result.size()); 539 return NO_ERROR; 540 } 541 542 void MediaPlayerService::removeClient(const wp<Client>& client) 543 { 544 Mutex::Autolock lock(mLock); 545 mClients.remove(client); 546 } 547 548 bool MediaPlayerService::hasClient(wp<Client> client) 549 { 550 Mutex::Autolock lock(mLock); 551 return mClients.indexOf(client) != NAME_NOT_FOUND; 552 } 553 554 MediaPlayerService::Client::Client( 555 const sp<MediaPlayerService>& service, pid_t pid, 556 int32_t connId, const sp<IMediaPlayerClient>& client, 557 audio_session_t audioSessionId, uid_t uid) 558 { 559 ALOGV("Client(%d) constructor", connId); 560 mPid = pid; 561 mConnId = connId; 562 mService = service; 563 mClient = client; 564 mLoop = false; 565 mStatus = NO_INIT; 566 mAudioSessionId = audioSessionId; 567 mUid = uid; 568 mRetransmitEndpointValid = false; 569 mAudioAttributes = NULL; 570 571 #if CALLBACK_ANTAGONIZER 572 ALOGD("create Antagonizer"); 573 mAntagonizer = new Antagonizer(notify, this); 574 #endif 575 } 576 577 MediaPlayerService::Client::~Client() 578 { 579 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 580 mAudioOutput.clear(); 581 wp<Client> client(this); 582 disconnect(); 583 mService->removeClient(client); 584 if (mAudioAttributes != NULL) { 585 free(mAudioAttributes); 586 } 587 clearDeathNotifiers(); 588 } 589 590 void MediaPlayerService::Client::disconnect() 591 { 592 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 593 // grab local reference and clear main reference to prevent future 594 // access to object 595 sp<MediaPlayerBase> p; 596 { 597 Mutex::Autolock l(mLock); 598 p = mPlayer; 599 mClient.clear(); 600 } 601 602 mPlayer.clear(); 603 604 // clear the notification to prevent callbacks to dead client 605 // and reset the player. We assume the player will serialize 606 // access to itself if necessary. 607 if (p != 0) { 608 p->setNotifyCallback(0, 0); 609 #if CALLBACK_ANTAGONIZER 610 ALOGD("kill Antagonizer"); 611 mAntagonizer->kill(); 612 #endif 613 p->reset(); 614 } 615 616 disconnectNativeWindow(); 617 618 IPCThreadState::self()->flushCommands(); 619 } 620 621 sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 622 { 623 // determine if we have the right player type 624 sp<MediaPlayerBase> p = mPlayer; 625 if ((p != NULL) && (p->playerType() != playerType)) { 626 ALOGV("delete player"); 627 p.clear(); 628 } 629 if (p == NULL) { 630 p = MediaPlayerFactory::createPlayer(playerType, this, notify, mPid); 631 } 632 633 if (p != NULL) { 634 p->setUID(mUid); 635 } 636 637 return p; 638 } 639 640 MediaPlayerService::Client::ServiceDeathNotifier::ServiceDeathNotifier( 641 const sp<IBinder>& service, 642 const sp<MediaPlayerBase>& listener, 643 int which) { 644 mService = service; 645 mOmx = nullptr; 646 mListener = listener; 647 mWhich = which; 648 } 649 650 MediaPlayerService::Client::ServiceDeathNotifier::ServiceDeathNotifier( 651 const sp<IOmx>& omx, 652 const sp<MediaPlayerBase>& listener, 653 int which) { 654 mService = nullptr; 655 mOmx = omx; 656 mListener = listener; 657 mWhich = which; 658 } 659 660 MediaPlayerService::Client::ServiceDeathNotifier::~ServiceDeathNotifier() { 661 } 662 663 void MediaPlayerService::Client::ServiceDeathNotifier::binderDied(const wp<IBinder>& /*who*/) { 664 sp<MediaPlayerBase> listener = mListener.promote(); 665 if (listener != NULL) { 666 listener->sendEvent(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, mWhich); 667 } else { 668 ALOGW("listener for process %d death is gone", mWhich); 669 } 670 } 671 672 void MediaPlayerService::Client::ServiceDeathNotifier::serviceDied( 673 uint64_t /* cookie */, 674 const wp<::android::hidl::base::V1_0::IBase>& /* who */) { 675 sp<MediaPlayerBase> listener = mListener.promote(); 676 if (listener != NULL) { 677 listener->sendEvent(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, mWhich); 678 } else { 679 ALOGW("listener for process %d death is gone", mWhich); 680 } 681 } 682 683 void MediaPlayerService::Client::ServiceDeathNotifier::unlinkToDeath() { 684 if (mService != nullptr) { 685 mService->unlinkToDeath(this); 686 mService = nullptr; 687 } else if (mOmx != nullptr) { 688 mOmx->unlinkToDeath(this); 689 mOmx = nullptr; 690 } 691 } 692 693 void MediaPlayerService::Client::clearDeathNotifiers() { 694 if (mExtractorDeathListener != nullptr) { 695 mExtractorDeathListener->unlinkToDeath(); 696 mExtractorDeathListener = nullptr; 697 } 698 if (mCodecDeathListener != nullptr) { 699 mCodecDeathListener->unlinkToDeath(); 700 mCodecDeathListener = nullptr; 701 } 702 } 703 704 sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 705 player_type playerType) 706 { 707 ALOGV("player type = %d", playerType); 708 clearDeathNotifiers(); 709 710 // create the right type of player 711 sp<MediaPlayerBase> p = createPlayer(playerType); 712 if (p == NULL) { 713 return p; 714 } 715 716 sp<IServiceManager> sm = defaultServiceManager(); 717 sp<IBinder> binder = sm->getService(String16("media.extractor")); 718 if (binder == NULL) { 719 ALOGE("extractor service not available"); 720 return NULL; 721 } 722 mExtractorDeathListener = new ServiceDeathNotifier(binder, p, MEDIAEXTRACTOR_PROCESS_DEATH); 723 binder->linkToDeath(mExtractorDeathListener); 724 725 if (property_get_bool("persist.media.treble_omx", true)) { 726 // Treble IOmx 727 sp<IOmx> omx = IOmx::getService(); 728 if (omx == nullptr) { 729 ALOGE("Treble IOmx not available"); 730 return NULL; 731 } 732 mCodecDeathListener = new ServiceDeathNotifier(omx, p, MEDIACODEC_PROCESS_DEATH); 733 omx->linkToDeath(mCodecDeathListener, 0); 734 } else { 735 // Legacy IOMX 736 binder = sm->getService(String16("media.codec")); 737 if (binder == NULL) { 738 ALOGE("codec service not available"); 739 return NULL; 740 } 741 mCodecDeathListener = new ServiceDeathNotifier(binder, p, MEDIACODEC_PROCESS_DEATH); 742 binder->linkToDeath(mCodecDeathListener); 743 } 744 745 if (!p->hardwareOutput()) { 746 Mutex::Autolock l(mLock); 747 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 748 mPid, mAudioAttributes); 749 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 750 } 751 752 return p; 753 } 754 755 void MediaPlayerService::Client::setDataSource_post( 756 const sp<MediaPlayerBase>& p, 757 status_t status) 758 { 759 ALOGV(" setDataSource"); 760 mStatus = status; 761 if (mStatus != OK) { 762 ALOGE(" error: %d", mStatus); 763 return; 764 } 765 766 // Set the re-transmission endpoint if one was chosen. 767 if (mRetransmitEndpointValid) { 768 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 769 if (mStatus != NO_ERROR) { 770 ALOGE("setRetransmitEndpoint error: %d", mStatus); 771 } 772 } 773 774 if (mStatus == OK) { 775 mPlayer = p; 776 } 777 } 778 779 status_t MediaPlayerService::Client::setDataSource( 780 const sp<IMediaHTTPService> &httpService, 781 const char *url, 782 const KeyedVector<String8, String8> *headers) 783 { 784 ALOGV("setDataSource(%s)", url); 785 if (url == NULL) 786 return UNKNOWN_ERROR; 787 788 if ((strncmp(url, "http://", 7) == 0) || 789 (strncmp(url, "https://", 8) == 0) || 790 (strncmp(url, "rtsp://", 7) == 0)) { 791 if (!checkPermission("android.permission.INTERNET")) { 792 return PERMISSION_DENIED; 793 } 794 } 795 796 if (strncmp(url, "content://", 10) == 0) { 797 // get a filedescriptor for the content Uri and 798 // pass it to the setDataSource(fd) method 799 800 String16 url16(url); 801 int fd = android::openContentProviderFile(url16); 802 if (fd < 0) 803 { 804 ALOGE("Couldn't open fd for %s", url); 805 return UNKNOWN_ERROR; 806 } 807 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 808 close(fd); 809 return mStatus; 810 } else { 811 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 812 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 813 if (p == NULL) { 814 return NO_INIT; 815 } 816 817 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 818 return mStatus; 819 } 820 } 821 822 status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 823 { 824 ALOGV("setDataSource fd=%d (%s), offset=%lld, length=%lld", 825 fd, nameForFd(fd).c_str(), (long long) offset, (long long) length); 826 struct stat sb; 827 int ret = fstat(fd, &sb); 828 if (ret != 0) { 829 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 830 return UNKNOWN_ERROR; 831 } 832 833 ALOGV("st_dev = %llu", static_cast<unsigned long long>(sb.st_dev)); 834 ALOGV("st_mode = %u", sb.st_mode); 835 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); 836 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); 837 ALOGV("st_size = %llu", static_cast<unsigned long long>(sb.st_size)); 838 839 if (offset >= sb.st_size) { 840 ALOGE("offset error"); 841 return UNKNOWN_ERROR; 842 } 843 if (offset + length > sb.st_size) { 844 length = sb.st_size - offset; 845 ALOGV("calculated length = %lld", (long long)length); 846 } 847 848 player_type playerType = MediaPlayerFactory::getPlayerType(this, 849 fd, 850 offset, 851 length); 852 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 853 if (p == NULL) { 854 return NO_INIT; 855 } 856 857 // now set data source 858 setDataSource_post(p, p->setDataSource(fd, offset, length)); 859 return mStatus; 860 } 861 862 status_t MediaPlayerService::Client::setDataSource( 863 const sp<IStreamSource> &source) { 864 // create the right type of player 865 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 866 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 867 if (p == NULL) { 868 return NO_INIT; 869 } 870 871 // now set data source 872 setDataSource_post(p, p->setDataSource(source)); 873 return mStatus; 874 } 875 876 status_t MediaPlayerService::Client::setDataSource( 877 const sp<IDataSource> &source) { 878 sp<DataSource> dataSource = DataSource::CreateFromIDataSource(source); 879 player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource); 880 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 881 if (p == NULL) { 882 return NO_INIT; 883 } 884 // now set data source 885 setDataSource_post(p, p->setDataSource(dataSource)); 886 return mStatus; 887 } 888 889 void MediaPlayerService::Client::disconnectNativeWindow() { 890 if (mConnectedWindow != NULL) { 891 status_t err = nativeWindowDisconnect( 892 mConnectedWindow.get(), "disconnectNativeWindow"); 893 894 if (err != OK) { 895 ALOGW("nativeWindowDisconnect returned an error: %s (%d)", 896 strerror(-err), err); 897 } 898 } 899 mConnectedWindow.clear(); 900 } 901 902 status_t MediaPlayerService::Client::setVideoSurfaceTexture( 903 const sp<IGraphicBufferProducer>& bufferProducer) 904 { 905 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 906 sp<MediaPlayerBase> p = getPlayer(); 907 if (p == 0) return UNKNOWN_ERROR; 908 909 sp<IBinder> binder(IInterface::asBinder(bufferProducer)); 910 if (mConnectedWindowBinder == binder) { 911 return OK; 912 } 913 914 sp<ANativeWindow> anw; 915 if (bufferProducer != NULL) { 916 anw = new Surface(bufferProducer, true /* controlledByApp */); 917 status_t err = nativeWindowConnect(anw.get(), "setVideoSurfaceTexture"); 918 919 if (err != OK) { 920 ALOGE("setVideoSurfaceTexture failed: %d", err); 921 // Note that we must do the reset before disconnecting from the ANW. 922 // Otherwise queue/dequeue calls could be made on the disconnected 923 // ANW, which may result in errors. 924 reset(); 925 926 disconnectNativeWindow(); 927 928 return err; 929 } 930 } 931 932 // Note that we must set the player's new GraphicBufferProducer before 933 // disconnecting the old one. Otherwise queue/dequeue calls could be made 934 // on the disconnected ANW, which may result in errors. 935 status_t err = p->setVideoSurfaceTexture(bufferProducer); 936 937 disconnectNativeWindow(); 938 939 mConnectedWindow = anw; 940 941 if (err == OK) { 942 mConnectedWindowBinder = binder; 943 } else { 944 disconnectNativeWindow(); 945 } 946 947 return err; 948 } 949 950 status_t MediaPlayerService::Client::invoke(const Parcel& request, 951 Parcel *reply) 952 { 953 sp<MediaPlayerBase> p = getPlayer(); 954 if (p == NULL) return UNKNOWN_ERROR; 955 return p->invoke(request, reply); 956 } 957 958 // This call doesn't need to access the native player. 959 status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 960 { 961 status_t status; 962 media::Metadata::Filter allow, drop; 963 964 if (unmarshallFilter(filter, &allow, &status) && 965 unmarshallFilter(filter, &drop, &status)) { 966 Mutex::Autolock lock(mLock); 967 968 mMetadataAllow = allow; 969 mMetadataDrop = drop; 970 } 971 return status; 972 } 973 974 status_t MediaPlayerService::Client::getMetadata( 975 bool update_only, bool /*apply_filter*/, Parcel *reply) 976 { 977 sp<MediaPlayerBase> player = getPlayer(); 978 if (player == 0) return UNKNOWN_ERROR; 979 980 status_t status; 981 // Placeholder for the return code, updated by the caller. 982 reply->writeInt32(-1); 983 984 media::Metadata::Filter ids; 985 986 // We don't block notifications while we fetch the data. We clear 987 // mMetadataUpdated first so we don't lose notifications happening 988 // during the rest of this call. 989 { 990 Mutex::Autolock lock(mLock); 991 if (update_only) { 992 ids = mMetadataUpdated; 993 } 994 mMetadataUpdated.clear(); 995 } 996 997 media::Metadata metadata(reply); 998 999 metadata.appendHeader(); 1000 status = player->getMetadata(ids, reply); 1001 1002 if (status != OK) { 1003 metadata.resetParcel(); 1004 ALOGE("getMetadata failed %d", status); 1005 return status; 1006 } 1007 1008 // FIXME: Implement filtering on the result. Not critical since 1009 // filtering takes place on the update notifications already. This 1010 // would be when all the metadata are fetch and a filter is set. 1011 1012 // Everything is fine, update the metadata length. 1013 metadata.updateLength(); 1014 return OK; 1015 } 1016 1017 status_t MediaPlayerService::Client::setBufferingSettings( 1018 const BufferingSettings& buffering) 1019 { 1020 ALOGV("[%d] setBufferingSettings{%s}", 1021 mConnId, buffering.toString().string()); 1022 sp<MediaPlayerBase> p = getPlayer(); 1023 if (p == 0) return UNKNOWN_ERROR; 1024 return p->setBufferingSettings(buffering); 1025 } 1026 1027 status_t MediaPlayerService::Client::getDefaultBufferingSettings( 1028 BufferingSettings* buffering /* nonnull */) 1029 { 1030 sp<MediaPlayerBase> p = getPlayer(); 1031 // TODO: create mPlayer on demand. 1032 if (p == 0) return UNKNOWN_ERROR; 1033 status_t ret = p->getDefaultBufferingSettings(buffering); 1034 if (ret == NO_ERROR) { 1035 ALOGV("[%d] getDefaultBufferingSettings{%s}", 1036 mConnId, buffering->toString().string()); 1037 } else { 1038 ALOGV("[%d] getDefaultBufferingSettings returned %d", mConnId, ret); 1039 } 1040 return ret; 1041 } 1042 1043 status_t MediaPlayerService::Client::prepareAsync() 1044 { 1045 ALOGV("[%d] prepareAsync", mConnId); 1046 sp<MediaPlayerBase> p = getPlayer(); 1047 if (p == 0) return UNKNOWN_ERROR; 1048 status_t ret = p->prepareAsync(); 1049 #if CALLBACK_ANTAGONIZER 1050 ALOGD("start Antagonizer"); 1051 if (ret == NO_ERROR) mAntagonizer->start(); 1052 #endif 1053 return ret; 1054 } 1055 1056 status_t MediaPlayerService::Client::start() 1057 { 1058 ALOGV("[%d] start", mConnId); 1059 sp<MediaPlayerBase> p = getPlayer(); 1060 if (p == 0) return UNKNOWN_ERROR; 1061 p->setLooping(mLoop); 1062 return p->start(); 1063 } 1064 1065 status_t MediaPlayerService::Client::stop() 1066 { 1067 ALOGV("[%d] stop", mConnId); 1068 sp<MediaPlayerBase> p = getPlayer(); 1069 if (p == 0) return UNKNOWN_ERROR; 1070 return p->stop(); 1071 } 1072 1073 status_t MediaPlayerService::Client::pause() 1074 { 1075 ALOGV("[%d] pause", mConnId); 1076 sp<MediaPlayerBase> p = getPlayer(); 1077 if (p == 0) return UNKNOWN_ERROR; 1078 return p->pause(); 1079 } 1080 1081 status_t MediaPlayerService::Client::isPlaying(bool* state) 1082 { 1083 *state = false; 1084 sp<MediaPlayerBase> p = getPlayer(); 1085 if (p == 0) return UNKNOWN_ERROR; 1086 *state = p->isPlaying(); 1087 ALOGV("[%d] isPlaying: %d", mConnId, *state); 1088 return NO_ERROR; 1089 } 1090 1091 status_t MediaPlayerService::Client::setPlaybackSettings(const AudioPlaybackRate& rate) 1092 { 1093 ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)", 1094 mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 1095 sp<MediaPlayerBase> p = getPlayer(); 1096 if (p == 0) return UNKNOWN_ERROR; 1097 return p->setPlaybackSettings(rate); 1098 } 1099 1100 status_t MediaPlayerService::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) 1101 { 1102 sp<MediaPlayerBase> p = getPlayer(); 1103 if (p == 0) return UNKNOWN_ERROR; 1104 status_t ret = p->getPlaybackSettings(rate); 1105 if (ret == NO_ERROR) { 1106 ALOGV("[%d] getPlaybackSettings(%f, %f, %d, %d)", 1107 mConnId, rate->mSpeed, rate->mPitch, rate->mFallbackMode, rate->mStretchMode); 1108 } else { 1109 ALOGV("[%d] getPlaybackSettings returned %d", mConnId, ret); 1110 } 1111 return ret; 1112 } 1113 1114 status_t MediaPlayerService::Client::setSyncSettings( 1115 const AVSyncSettings& sync, float videoFpsHint) 1116 { 1117 ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)", 1118 mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint); 1119 sp<MediaPlayerBase> p = getPlayer(); 1120 if (p == 0) return UNKNOWN_ERROR; 1121 return p->setSyncSettings(sync, videoFpsHint); 1122 } 1123 1124 status_t MediaPlayerService::Client::getSyncSettings( 1125 AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */) 1126 { 1127 sp<MediaPlayerBase> p = getPlayer(); 1128 if (p == 0) return UNKNOWN_ERROR; 1129 status_t ret = p->getSyncSettings(sync, videoFps); 1130 if (ret == NO_ERROR) { 1131 ALOGV("[%d] getSyncSettings(%u, %u, %f, %f)", 1132 mConnId, sync->mSource, sync->mAudioAdjustMode, sync->mTolerance, *videoFps); 1133 } else { 1134 ALOGV("[%d] getSyncSettings returned %d", mConnId, ret); 1135 } 1136 return ret; 1137 } 1138 1139 status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 1140 { 1141 ALOGV("getCurrentPosition"); 1142 sp<MediaPlayerBase> p = getPlayer(); 1143 if (p == 0) return UNKNOWN_ERROR; 1144 status_t ret = p->getCurrentPosition(msec); 1145 if (ret == NO_ERROR) { 1146 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 1147 } else { 1148 ALOGE("getCurrentPosition returned %d", ret); 1149 } 1150 return ret; 1151 } 1152 1153 status_t MediaPlayerService::Client::getDuration(int *msec) 1154 { 1155 ALOGV("getDuration"); 1156 sp<MediaPlayerBase> p = getPlayer(); 1157 if (p == 0) return UNKNOWN_ERROR; 1158 status_t ret = p->getDuration(msec); 1159 if (ret == NO_ERROR) { 1160 ALOGV("[%d] getDuration = %d", mConnId, *msec); 1161 } else { 1162 ALOGE("getDuration returned %d", ret); 1163 } 1164 return ret; 1165 } 1166 1167 status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 1168 ALOGV("setNextPlayer"); 1169 Mutex::Autolock l(mLock); 1170 sp<Client> c = static_cast<Client*>(player.get()); 1171 if (c != NULL && !mService->hasClient(c)) { 1172 return BAD_VALUE; 1173 } 1174 1175 mNextClient = c; 1176 1177 if (c != NULL) { 1178 if (mAudioOutput != NULL) { 1179 mAudioOutput->setNextOutput(c->mAudioOutput); 1180 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 1181 ALOGE("no current audio output"); 1182 } 1183 1184 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 1185 mPlayer->setNextPlayer(mNextClient->getPlayer()); 1186 } 1187 } 1188 1189 return OK; 1190 } 1191 1192 VolumeShaper::Status MediaPlayerService::Client::applyVolumeShaper( 1193 const sp<VolumeShaper::Configuration>& configuration, 1194 const sp<VolumeShaper::Operation>& operation) { 1195 // for hardware output, call player instead 1196 ALOGV("Client::applyVolumeShaper(%p)", this); 1197 sp<MediaPlayerBase> p = getPlayer(); 1198 { 1199 Mutex::Autolock l(mLock); 1200 if (p != 0 && p->hardwareOutput()) { 1201 // TODO: investigate internal implementation 1202 return VolumeShaper::Status(INVALID_OPERATION); 1203 } 1204 if (mAudioOutput.get() != nullptr) { 1205 return mAudioOutput->applyVolumeShaper(configuration, operation); 1206 } 1207 } 1208 return VolumeShaper::Status(INVALID_OPERATION); 1209 } 1210 1211 sp<VolumeShaper::State> MediaPlayerService::Client::getVolumeShaperState(int id) { 1212 // for hardware output, call player instead 1213 ALOGV("Client::getVolumeShaperState(%p)", this); 1214 sp<MediaPlayerBase> p = getPlayer(); 1215 { 1216 Mutex::Autolock l(mLock); 1217 if (p != 0 && p->hardwareOutput()) { 1218 // TODO: investigate internal implementation. 1219 return nullptr; 1220 } 1221 if (mAudioOutput.get() != nullptr) { 1222 return mAudioOutput->getVolumeShaperState(id); 1223 } 1224 } 1225 return nullptr; 1226 } 1227 1228 status_t MediaPlayerService::Client::seekTo(int msec, MediaPlayerSeekMode mode) 1229 { 1230 ALOGV("[%d] seekTo(%d, %d)", mConnId, msec, mode); 1231 sp<MediaPlayerBase> p = getPlayer(); 1232 if (p == 0) return UNKNOWN_ERROR; 1233 return p->seekTo(msec, mode); 1234 } 1235 1236 status_t MediaPlayerService::Client::reset() 1237 { 1238 ALOGV("[%d] reset", mConnId); 1239 mRetransmitEndpointValid = false; 1240 sp<MediaPlayerBase> p = getPlayer(); 1241 if (p == 0) return UNKNOWN_ERROR; 1242 return p->reset(); 1243 } 1244 1245 status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 1246 { 1247 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1248 // TODO: for hardware output, call player instead 1249 Mutex::Autolock l(mLock); 1250 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1251 return NO_ERROR; 1252 } 1253 1254 status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) 1255 { 1256 if (mAudioAttributes != NULL) { free(mAudioAttributes); } 1257 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1258 if (mAudioAttributes == NULL) { 1259 return NO_MEMORY; 1260 } 1261 unmarshallAudioAttributes(parcel, mAudioAttributes); 1262 1263 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", 1264 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, 1265 mAudioAttributes->tags); 1266 1267 if (mAudioOutput != 0) { 1268 mAudioOutput->setAudioAttributes(mAudioAttributes); 1269 } 1270 return NO_ERROR; 1271 } 1272 1273 status_t MediaPlayerService::Client::setLooping(int loop) 1274 { 1275 ALOGV("[%d] setLooping(%d)", mConnId, loop); 1276 mLoop = loop; 1277 sp<MediaPlayerBase> p = getPlayer(); 1278 if (p != 0) return p->setLooping(loop); 1279 return NO_ERROR; 1280 } 1281 1282 status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1283 { 1284 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1285 1286 // for hardware output, call player instead 1287 sp<MediaPlayerBase> p = getPlayer(); 1288 { 1289 Mutex::Autolock l(mLock); 1290 if (p != 0 && p->hardwareOutput()) { 1291 MediaPlayerHWInterface* hwp = 1292 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1293 return hwp->setVolume(leftVolume, rightVolume); 1294 } else { 1295 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1296 return NO_ERROR; 1297 } 1298 } 1299 1300 return NO_ERROR; 1301 } 1302 1303 status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1304 { 1305 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1306 Mutex::Autolock l(mLock); 1307 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1308 return NO_ERROR; 1309 } 1310 1311 status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1312 { 1313 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1314 Mutex::Autolock l(mLock); 1315 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1316 return NO_ERROR; 1317 } 1318 1319 status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1320 ALOGV("[%d] setParameter(%d)", mConnId, key); 1321 switch (key) { 1322 case KEY_PARAMETER_AUDIO_ATTRIBUTES: 1323 { 1324 Mutex::Autolock l(mLock); 1325 return setAudioAttributes_l(request); 1326 } 1327 default: 1328 sp<MediaPlayerBase> p = getPlayer(); 1329 if (p == 0) { return UNKNOWN_ERROR; } 1330 return p->setParameter(key, request); 1331 } 1332 } 1333 1334 status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1335 ALOGV("[%d] getParameter(%d)", mConnId, key); 1336 sp<MediaPlayerBase> p = getPlayer(); 1337 if (p == 0) return UNKNOWN_ERROR; 1338 return p->getParameter(key, reply); 1339 } 1340 1341 status_t MediaPlayerService::Client::setRetransmitEndpoint( 1342 const struct sockaddr_in* endpoint) { 1343 1344 if (NULL != endpoint) { 1345 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1346 uint16_t p = ntohs(endpoint->sin_port); 1347 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1348 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1349 } else { 1350 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1351 } 1352 1353 sp<MediaPlayerBase> p = getPlayer(); 1354 1355 // Right now, the only valid time to set a retransmit endpoint is before 1356 // player selection has been made (since the presence or absence of a 1357 // retransmit endpoint is going to determine which player is selected during 1358 // setDataSource). 1359 if (p != 0) return INVALID_OPERATION; 1360 1361 if (NULL != endpoint) { 1362 mRetransmitEndpoint = *endpoint; 1363 mRetransmitEndpointValid = true; 1364 } else { 1365 mRetransmitEndpointValid = false; 1366 } 1367 1368 return NO_ERROR; 1369 } 1370 1371 status_t MediaPlayerService::Client::getRetransmitEndpoint( 1372 struct sockaddr_in* endpoint) 1373 { 1374 if (NULL == endpoint) 1375 return BAD_VALUE; 1376 1377 sp<MediaPlayerBase> p = getPlayer(); 1378 1379 if (p != NULL) 1380 return p->getRetransmitEndpoint(endpoint); 1381 1382 if (!mRetransmitEndpointValid) 1383 return NO_INIT; 1384 1385 *endpoint = mRetransmitEndpoint; 1386 1387 return NO_ERROR; 1388 } 1389 1390 void MediaPlayerService::Client::notify( 1391 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1392 { 1393 Client* client = static_cast<Client*>(cookie); 1394 if (client == NULL) { 1395 return; 1396 } 1397 1398 sp<IMediaPlayerClient> c; 1399 sp<Client> nextClient; 1400 status_t errStartNext = NO_ERROR; 1401 { 1402 Mutex::Autolock l(client->mLock); 1403 c = client->mClient; 1404 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1405 nextClient = client->mNextClient; 1406 1407 if (client->mAudioOutput != NULL) 1408 client->mAudioOutput->switchToNextOutput(); 1409 1410 errStartNext = nextClient->start(); 1411 } 1412 } 1413 1414 if (nextClient != NULL) { 1415 sp<IMediaPlayerClient> nc; 1416 { 1417 Mutex::Autolock l(nextClient->mLock); 1418 nc = nextClient->mClient; 1419 } 1420 if (nc != NULL) { 1421 if (errStartNext == NO_ERROR) { 1422 nc->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1423 } else { 1424 nc->notify(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN , 0, obj); 1425 ALOGE("gapless:start playback for next track failed, err(%d)", errStartNext); 1426 } 1427 } 1428 } 1429 1430 if (MEDIA_INFO == msg && 1431 MEDIA_INFO_METADATA_UPDATE == ext1) { 1432 const media::Metadata::Type metadata_type = ext2; 1433 1434 if(client->shouldDropMetadata(metadata_type)) { 1435 return; 1436 } 1437 1438 // Update the list of metadata that have changed. getMetadata 1439 // also access mMetadataUpdated and clears it. 1440 client->addNewMetadataUpdate(metadata_type); 1441 } 1442 1443 if (c != NULL) { 1444 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1445 c->notify(msg, ext1, ext2, obj); 1446 } 1447 } 1448 1449 1450 bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1451 { 1452 Mutex::Autolock lock(mLock); 1453 1454 if (findMetadata(mMetadataDrop, code)) { 1455 return true; 1456 } 1457 1458 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1459 return false; 1460 } else { 1461 return true; 1462 } 1463 } 1464 1465 1466 void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1467 Mutex::Autolock lock(mLock); 1468 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1469 mMetadataUpdated.add(metadata_type); 1470 } 1471 } 1472 1473 // Modular DRM 1474 status_t MediaPlayerService::Client::prepareDrm(const uint8_t uuid[16], 1475 const Vector<uint8_t>& drmSessionId) 1476 { 1477 ALOGV("[%d] prepareDrm", mConnId); 1478 sp<MediaPlayerBase> p = getPlayer(); 1479 if (p == 0) return UNKNOWN_ERROR; 1480 1481 status_t ret = p->prepareDrm(uuid, drmSessionId); 1482 ALOGV("prepareDrm ret: %d", ret); 1483 1484 return ret; 1485 } 1486 1487 status_t MediaPlayerService::Client::releaseDrm() 1488 { 1489 ALOGV("[%d] releaseDrm", mConnId); 1490 sp<MediaPlayerBase> p = getPlayer(); 1491 if (p == 0) return UNKNOWN_ERROR; 1492 1493 status_t ret = p->releaseDrm(); 1494 ALOGV("releaseDrm ret: %d", ret); 1495 1496 return ret; 1497 } 1498 1499 #if CALLBACK_ANTAGONIZER 1500 const int Antagonizer::interval = 10000; // 10 msecs 1501 1502 Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1503 mExit(false), mActive(false), mClient(client), mCb(cb) 1504 { 1505 createThread(callbackThread, this); 1506 } 1507 1508 void Antagonizer::kill() 1509 { 1510 Mutex::Autolock _l(mLock); 1511 mActive = false; 1512 mExit = true; 1513 mCondition.wait(mLock); 1514 } 1515 1516 int Antagonizer::callbackThread(void* user) 1517 { 1518 ALOGD("Antagonizer started"); 1519 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1520 while (!p->mExit) { 1521 if (p->mActive) { 1522 ALOGV("send event"); 1523 p->mCb(p->mClient, 0, 0, 0); 1524 } 1525 usleep(interval); 1526 } 1527 Mutex::Autolock _l(p->mLock); 1528 p->mCondition.signal(); 1529 ALOGD("Antagonizer stopped"); 1530 return 0; 1531 } 1532 #endif 1533 1534 #undef LOG_TAG 1535 #define LOG_TAG "AudioSink" 1536 MediaPlayerService::AudioOutput::AudioOutput(audio_session_t sessionId, uid_t uid, int pid, 1537 const audio_attributes_t* attr) 1538 : mCallback(NULL), 1539 mCallbackCookie(NULL), 1540 mCallbackData(NULL), 1541 mStreamType(AUDIO_STREAM_MUSIC), 1542 mLeftVolume(1.0), 1543 mRightVolume(1.0), 1544 mPlaybackRate(AUDIO_PLAYBACK_RATE_DEFAULT), 1545 mSampleRateHz(0), 1546 mMsecsPerFrame(0), 1547 mFrameSize(0), 1548 mSessionId(sessionId), 1549 mUid(uid), 1550 mPid(pid), 1551 mSendLevel(0.0), 1552 mAuxEffectId(0), 1553 mFlags(AUDIO_OUTPUT_FLAG_NONE), 1554 mVolumeHandler(new VolumeHandler()) 1555 { 1556 ALOGV("AudioOutput(%d)", sessionId); 1557 if (attr != NULL) { 1558 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1559 if (mAttributes != NULL) { 1560 memcpy(mAttributes, attr, sizeof(audio_attributes_t)); 1561 mStreamType = audio_attributes_to_stream_type(attr); 1562 } 1563 } else { 1564 mAttributes = NULL; 1565 } 1566 1567 setMinBufferCount(); 1568 } 1569 1570 MediaPlayerService::AudioOutput::~AudioOutput() 1571 { 1572 close(); 1573 free(mAttributes); 1574 delete mCallbackData; 1575 } 1576 1577 //static 1578 void MediaPlayerService::AudioOutput::setMinBufferCount() 1579 { 1580 char value[PROPERTY_VALUE_MAX]; 1581 if (property_get("ro.kernel.qemu", value, 0)) { 1582 mIsOnEmulator = true; 1583 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1584 } 1585 } 1586 1587 // static 1588 bool MediaPlayerService::AudioOutput::isOnEmulator() 1589 { 1590 setMinBufferCount(); // benign race wrt other threads 1591 return mIsOnEmulator; 1592 } 1593 1594 // static 1595 int MediaPlayerService::AudioOutput::getMinBufferCount() 1596 { 1597 setMinBufferCount(); // benign race wrt other threads 1598 return mMinBufferCount; 1599 } 1600 1601 ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1602 { 1603 Mutex::Autolock lock(mLock); 1604 if (mTrack == 0) return NO_INIT; 1605 return mTrack->frameCount() * mFrameSize; 1606 } 1607 1608 ssize_t MediaPlayerService::AudioOutput::frameCount() const 1609 { 1610 Mutex::Autolock lock(mLock); 1611 if (mTrack == 0) return NO_INIT; 1612 return mTrack->frameCount(); 1613 } 1614 1615 ssize_t MediaPlayerService::AudioOutput::channelCount() const 1616 { 1617 Mutex::Autolock lock(mLock); 1618 if (mTrack == 0) return NO_INIT; 1619 return mTrack->channelCount(); 1620 } 1621 1622 ssize_t MediaPlayerService::AudioOutput::frameSize() const 1623 { 1624 Mutex::Autolock lock(mLock); 1625 if (mTrack == 0) return NO_INIT; 1626 return mFrameSize; 1627 } 1628 1629 uint32_t MediaPlayerService::AudioOutput::latency () const 1630 { 1631 Mutex::Autolock lock(mLock); 1632 if (mTrack == 0) return 0; 1633 return mTrack->latency(); 1634 } 1635 1636 float MediaPlayerService::AudioOutput::msecsPerFrame() const 1637 { 1638 Mutex::Autolock lock(mLock); 1639 return mMsecsPerFrame; 1640 } 1641 1642 status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1643 { 1644 Mutex::Autolock lock(mLock); 1645 if (mTrack == 0) return NO_INIT; 1646 return mTrack->getPosition(position); 1647 } 1648 1649 status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const 1650 { 1651 Mutex::Autolock lock(mLock); 1652 if (mTrack == 0) return NO_INIT; 1653 return mTrack->getTimestamp(ts); 1654 } 1655 1656 // TODO: Remove unnecessary calls to getPlayedOutDurationUs() 1657 // as it acquires locks and may query the audio driver. 1658 // 1659 // Some calls could conceivably retrieve extrapolated data instead of 1660 // accessing getTimestamp() or getPosition() every time a data buffer with 1661 // a media time is received. 1662 // 1663 // Calculate duration of played samples if played at normal rate (i.e., 1.0). 1664 int64_t MediaPlayerService::AudioOutput::getPlayedOutDurationUs(int64_t nowUs) const 1665 { 1666 Mutex::Autolock lock(mLock); 1667 if (mTrack == 0 || mSampleRateHz == 0) { 1668 return 0; 1669 } 1670 1671 uint32_t numFramesPlayed; 1672 int64_t numFramesPlayedAtUs; 1673 AudioTimestamp ts; 1674 1675 status_t res = mTrack->getTimestamp(ts); 1676 if (res == OK) { // case 1: mixing audio tracks and offloaded tracks. 1677 numFramesPlayed = ts.mPosition; 1678 numFramesPlayedAtUs = ts.mTime.tv_sec * 1000000LL + ts.mTime.tv_nsec / 1000; 1679 //ALOGD("getTimestamp: OK %d %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1680 } else if (res == WOULD_BLOCK) { // case 2: transitory state on start of a new track 1681 numFramesPlayed = 0; 1682 numFramesPlayedAtUs = nowUs; 1683 //ALOGD("getTimestamp: WOULD_BLOCK %d %lld", 1684 // numFramesPlayed, (long long)numFramesPlayedAtUs); 1685 } else { // case 3: transitory at new track or audio fast tracks. 1686 res = mTrack->getPosition(&numFramesPlayed); 1687 CHECK_EQ(res, (status_t)OK); 1688 numFramesPlayedAtUs = nowUs; 1689 numFramesPlayedAtUs += 1000LL * mTrack->latency() / 2; /* XXX */ 1690 //ALOGD("getPosition: %u %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1691 } 1692 1693 // CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test 1694 // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours. 1695 int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000000LL / mSampleRateHz) 1696 + nowUs - numFramesPlayedAtUs; 1697 if (durationUs < 0) { 1698 // Occurs when numFramesPlayed position is very small and the following: 1699 // (1) In case 1, the time nowUs is computed before getTimestamp() is called and 1700 // numFramesPlayedAtUs is greater than nowUs by time more than numFramesPlayed. 1701 // (2) In case 3, using getPosition and adding mAudioSink->latency() to 1702 // numFramesPlayedAtUs, by a time amount greater than numFramesPlayed. 1703 // 1704 // Both of these are transitory conditions. 1705 ALOGV("getPlayedOutDurationUs: negative duration %lld set to zero", (long long)durationUs); 1706 durationUs = 0; 1707 } 1708 ALOGV("getPlayedOutDurationUs(%lld) nowUs(%lld) frames(%u) framesAt(%lld)", 1709 (long long)durationUs, (long long)nowUs, 1710 numFramesPlayed, (long long)numFramesPlayedAtUs); 1711 return durationUs; 1712 } 1713 1714 status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1715 { 1716 Mutex::Autolock lock(mLock); 1717 if (mTrack == 0) return NO_INIT; 1718 ExtendedTimestamp ets; 1719 status_t status = mTrack->getTimestamp(&ets); 1720 if (status == OK || status == WOULD_BLOCK) { 1721 *frameswritten = (uint32_t)ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT]; 1722 } 1723 return status; 1724 } 1725 1726 status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1727 { 1728 Mutex::Autolock lock(mLock); 1729 if (mTrack == 0) return NO_INIT; 1730 return mTrack->setParameters(keyValuePairs); 1731 } 1732 1733 String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1734 { 1735 Mutex::Autolock lock(mLock); 1736 if (mTrack == 0) return String8::empty(); 1737 return mTrack->getParameters(keys); 1738 } 1739 1740 void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1741 Mutex::Autolock lock(mLock); 1742 if (attributes == NULL) { 1743 free(mAttributes); 1744 mAttributes = NULL; 1745 } else { 1746 if (mAttributes == NULL) { 1747 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1748 } 1749 memcpy(mAttributes, attributes, sizeof(audio_attributes_t)); 1750 mStreamType = audio_attributes_to_stream_type(attributes); 1751 } 1752 } 1753 1754 void MediaPlayerService::AudioOutput::setAudioStreamType(audio_stream_type_t streamType) 1755 { 1756 Mutex::Autolock lock(mLock); 1757 // do not allow direct stream type modification if attributes have been set 1758 if (mAttributes == NULL) { 1759 mStreamType = streamType; 1760 } 1761 } 1762 1763 void MediaPlayerService::AudioOutput::deleteRecycledTrack_l() 1764 { 1765 ALOGV("deleteRecycledTrack_l"); 1766 if (mRecycledTrack != 0) { 1767 1768 if (mCallbackData != NULL) { 1769 mCallbackData->setOutput(NULL); 1770 mCallbackData->endTrackSwitch(); 1771 } 1772 1773 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1774 int32_t msec = 0; 1775 if (!mRecycledTrack->stopped()) { // check if active 1776 (void)mRecycledTrack->pendingDuration(&msec); 1777 } 1778 mRecycledTrack->stop(); // ensure full data drain 1779 ALOGD("deleting recycled track, waiting for data drain (%d msec)", msec); 1780 if (msec > 0) { 1781 static const int32_t WAIT_LIMIT_MS = 3000; 1782 if (msec > WAIT_LIMIT_MS) { 1783 msec = WAIT_LIMIT_MS; 1784 } 1785 usleep(msec * 1000LL); 1786 } 1787 } 1788 // An offloaded track isn't flushed because the STREAM_END is reported 1789 // slightly prematurely to allow time for the gapless track switch 1790 // but this means that if we decide not to recycle the track there 1791 // could be a small amount of residual data still playing. We leave 1792 // AudioFlinger to drain the track. 1793 1794 mRecycledTrack.clear(); 1795 close_l(); 1796 delete mCallbackData; 1797 mCallbackData = NULL; 1798 } 1799 } 1800 1801 void MediaPlayerService::AudioOutput::close_l() 1802 { 1803 mTrack.clear(); 1804 } 1805 1806 status_t MediaPlayerService::AudioOutput::open( 1807 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1808 audio_format_t format, int bufferCount, 1809 AudioCallback cb, void *cookie, 1810 audio_output_flags_t flags, 1811 const audio_offload_info_t *offloadInfo, 1812 bool doNotReconnect, 1813 uint32_t suggestedFrameCount) 1814 { 1815 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1816 format, bufferCount, mSessionId, flags); 1817 1818 // offloading is only supported in callback mode for now. 1819 // offloadInfo must be present if offload flag is set 1820 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1821 ((cb == NULL) || (offloadInfo == NULL))) { 1822 return BAD_VALUE; 1823 } 1824 1825 // compute frame count for the AudioTrack internal buffer 1826 size_t frameCount; 1827 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1828 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1829 } else { 1830 // try to estimate the buffer processing fetch size from AudioFlinger. 1831 // framesPerBuffer is approximate and generally correct, except when it's not :-). 1832 uint32_t afSampleRate; 1833 size_t afFrameCount; 1834 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1835 return NO_INIT; 1836 } 1837 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1838 return NO_INIT; 1839 } 1840 const size_t framesPerBuffer = 1841 (unsigned long long)sampleRate * afFrameCount / afSampleRate; 1842 1843 if (bufferCount == 0) { 1844 // use suggestedFrameCount 1845 bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer; 1846 } 1847 // Check argument bufferCount against the mininum buffer count 1848 if (bufferCount != 0 && bufferCount < mMinBufferCount) { 1849 ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount); 1850 bufferCount = mMinBufferCount; 1851 } 1852 // if frameCount is 0, then AudioTrack will get frame count from AudioFlinger 1853 // which will be the minimum size permitted. 1854 frameCount = bufferCount * framesPerBuffer; 1855 } 1856 1857 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1858 channelMask = audio_channel_out_mask_from_count(channelCount); 1859 if (0 == channelMask) { 1860 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1861 return NO_INIT; 1862 } 1863 } 1864 1865 Mutex::Autolock lock(mLock); 1866 mCallback = cb; 1867 mCallbackCookie = cookie; 1868 1869 // Check whether we can recycle the track 1870 bool reuse = false; 1871 bool bothOffloaded = false; 1872 1873 if (mRecycledTrack != 0) { 1874 // check whether we are switching between two offloaded tracks 1875 bothOffloaded = (flags & mRecycledTrack->getFlags() 1876 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1877 1878 // check if the existing track can be reused as-is, or if a new track needs to be created. 1879 reuse = true; 1880 1881 if ((mCallbackData == NULL && mCallback != NULL) || 1882 (mCallbackData != NULL && mCallback == NULL)) { 1883 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1884 ALOGV("can't chain callback and write"); 1885 reuse = false; 1886 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1887 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1888 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1889 mRecycledTrack->getSampleRate(), sampleRate, 1890 mRecycledTrack->channelCount(), channelCount); 1891 reuse = false; 1892 } else if (flags != mFlags) { 1893 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1894 reuse = false; 1895 } else if (mRecycledTrack->format() != format) { 1896 reuse = false; 1897 } 1898 } else { 1899 ALOGV("no track available to recycle"); 1900 } 1901 1902 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1903 1904 // If we can't recycle and both tracks are offloaded 1905 // we must close the previous output before opening a new one 1906 if (bothOffloaded && !reuse) { 1907 ALOGV("both offloaded and not recycling"); 1908 deleteRecycledTrack_l(); 1909 } 1910 1911 sp<AudioTrack> t; 1912 CallbackData *newcbd = NULL; 1913 1914 // We don't attempt to create a new track if we are recycling an 1915 // offloaded track. But, if we are recycling a non-offloaded or we 1916 // are switching where one is offloaded and one isn't then we create 1917 // the new track in advance so that we can read additional stream info 1918 1919 if (!(reuse && bothOffloaded)) { 1920 ALOGV("creating new AudioTrack"); 1921 1922 if (mCallback != NULL) { 1923 newcbd = new CallbackData(this); 1924 t = new AudioTrack( 1925 mStreamType, 1926 sampleRate, 1927 format, 1928 channelMask, 1929 frameCount, 1930 flags, 1931 CallbackWrapper, 1932 newcbd, 1933 0, // notification frames 1934 mSessionId, 1935 AudioTrack::TRANSFER_CALLBACK, 1936 offloadInfo, 1937 mUid, 1938 mPid, 1939 mAttributes, 1940 doNotReconnect); 1941 } else { 1942 // TODO: Due to buffer memory concerns, we use a max target playback speed 1943 // based on mPlaybackRate at the time of open (instead of kMaxRequiredSpeed), 1944 // also clamping the target speed to 1.0 <= targetSpeed <= kMaxRequiredSpeed. 1945 const float targetSpeed = 1946 std::min(std::max(mPlaybackRate.mSpeed, 1.0f), kMaxRequiredSpeed); 1947 ALOGW_IF(targetSpeed != mPlaybackRate.mSpeed, 1948 "track target speed:%f clamped from playback speed:%f", 1949 targetSpeed, mPlaybackRate.mSpeed); 1950 t = new AudioTrack( 1951 mStreamType, 1952 sampleRate, 1953 format, 1954 channelMask, 1955 frameCount, 1956 flags, 1957 NULL, // callback 1958 NULL, // user data 1959 0, // notification frames 1960 mSessionId, 1961 AudioTrack::TRANSFER_DEFAULT, 1962 NULL, // offload info 1963 mUid, 1964 mPid, 1965 mAttributes, 1966 doNotReconnect, 1967 targetSpeed); 1968 } 1969 1970 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1971 ALOGE("Unable to create audio track"); 1972 delete newcbd; 1973 // t goes out of scope, so reference count drops to zero 1974 return NO_INIT; 1975 } else { 1976 // successful AudioTrack initialization implies a legacy stream type was generated 1977 // from the audio attributes 1978 mStreamType = t->streamType(); 1979 } 1980 } 1981 1982 if (reuse) { 1983 CHECK(mRecycledTrack != NULL); 1984 1985 if (!bothOffloaded) { 1986 if (mRecycledTrack->frameCount() != t->frameCount()) { 1987 ALOGV("framecount differs: %zu/%zu frames", 1988 mRecycledTrack->frameCount(), t->frameCount()); 1989 reuse = false; 1990 } 1991 } 1992 1993 if (reuse) { 1994 ALOGV("chaining to next output and recycling track"); 1995 close_l(); 1996 mTrack = mRecycledTrack; 1997 mRecycledTrack.clear(); 1998 if (mCallbackData != NULL) { 1999 mCallbackData->setOutput(this); 2000 } 2001 delete newcbd; 2002 return updateTrack(); 2003 } 2004 } 2005 2006 // we're not going to reuse the track, unblock and flush it 2007 // this was done earlier if both tracks are offloaded 2008 if (!bothOffloaded) { 2009 deleteRecycledTrack_l(); 2010 } 2011 2012 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 2013 2014 mCallbackData = newcbd; 2015 ALOGV("setVolume"); 2016 t->setVolume(mLeftVolume, mRightVolume); 2017 2018 // Restore VolumeShapers for the MediaPlayer in case the track was recreated 2019 // due to an output sink error (e.g. offload to non-offload switch). 2020 mVolumeHandler->forall([&t](const VolumeShaper &shaper) -> VolumeShaper::Status { 2021 sp<VolumeShaper::Operation> operationToEnd = 2022 new VolumeShaper::Operation(shaper.mOperation); 2023 // TODO: Ideally we would restore to the exact xOffset position 2024 // as returned by getVolumeShaperState(), but we don't have that 2025 // information when restoring at the client unless we periodically poll 2026 // the server or create shared memory state. 2027 // 2028 // For now, we simply advance to the end of the VolumeShaper effect 2029 // if it has been started. 2030 if (shaper.isStarted()) { 2031 operationToEnd->setNormalizedTime(1.f); 2032 } 2033 return t->applyVolumeShaper(shaper.mConfiguration, operationToEnd); 2034 }); 2035 2036 mSampleRateHz = sampleRate; 2037 mFlags = flags; 2038 mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate); 2039 mFrameSize = t->frameSize(); 2040 mTrack = t; 2041 2042 return updateTrack(); 2043 } 2044 2045 status_t MediaPlayerService::AudioOutput::updateTrack() { 2046 if (mTrack == NULL) { 2047 return NO_ERROR; 2048 } 2049 2050 status_t res = NO_ERROR; 2051 // Note some output devices may give us a direct track even though we don't specify it. 2052 // Example: Line application b/17459982. 2053 if ((mTrack->getFlags() 2054 & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) { 2055 res = mTrack->setPlaybackRate(mPlaybackRate); 2056 if (res == NO_ERROR) { 2057 mTrack->setAuxEffectSendLevel(mSendLevel); 2058 res = mTrack->attachAuxEffect(mAuxEffectId); 2059 } 2060 } 2061 ALOGV("updateTrack() DONE status %d", res); 2062 return res; 2063 } 2064 2065 status_t MediaPlayerService::AudioOutput::start() 2066 { 2067 ALOGV("start"); 2068 Mutex::Autolock lock(mLock); 2069 if (mCallbackData != NULL) { 2070 mCallbackData->endTrackSwitch(); 2071 } 2072 if (mTrack != 0) { 2073 mTrack->setVolume(mLeftVolume, mRightVolume); 2074 mTrack->setAuxEffectSendLevel(mSendLevel); 2075 status_t status = mTrack->start(); 2076 if (status == NO_ERROR) { 2077 mVolumeHandler->setStarted(); 2078 } 2079 return status; 2080 } 2081 return NO_INIT; 2082 } 2083 2084 void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 2085 Mutex::Autolock lock(mLock); 2086 mNextOutput = nextOutput; 2087 } 2088 2089 void MediaPlayerService::AudioOutput::switchToNextOutput() { 2090 ALOGV("switchToNextOutput"); 2091 2092 // Try to acquire the callback lock before moving track (without incurring deadlock). 2093 const unsigned kMaxSwitchTries = 100; 2094 Mutex::Autolock lock(mLock); 2095 for (unsigned tries = 0;;) { 2096 if (mTrack == 0) { 2097 return; 2098 } 2099 if (mNextOutput != NULL && mNextOutput != this) { 2100 if (mCallbackData != NULL) { 2101 // two alternative approaches 2102 #if 1 2103 CallbackData *callbackData = mCallbackData; 2104 mLock.unlock(); 2105 // proper acquisition sequence 2106 callbackData->lock(); 2107 mLock.lock(); 2108 // Caution: it is unlikely that someone deleted our callback or changed our target 2109 if (callbackData != mCallbackData || mNextOutput == NULL || mNextOutput == this) { 2110 // fatal if we are starved out. 2111 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2112 "switchToNextOutput() cannot obtain correct lock sequence"); 2113 callbackData->unlock(); 2114 continue; 2115 } 2116 callbackData->mSwitching = true; // begin track switch 2117 callbackData->setOutput(NULL); 2118 #else 2119 // tryBeginTrackSwitch() returns false if the callback has the lock. 2120 if (!mCallbackData->tryBeginTrackSwitch()) { 2121 // fatal if we are starved out. 2122 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2123 "switchToNextOutput() cannot obtain callback lock"); 2124 mLock.unlock(); 2125 usleep(5 * 1000 /* usec */); // allow callback to use AudioOutput 2126 mLock.lock(); 2127 continue; 2128 } 2129 #endif 2130 } 2131 2132 Mutex::Autolock nextLock(mNextOutput->mLock); 2133 2134 // If the next output track is not NULL, then it has been 2135 // opened already for playback. 2136 // This is possible even without the next player being started, 2137 // for example, the next player could be prepared and seeked. 2138 // 2139 // Presuming it isn't advisable to force the track over. 2140 if (mNextOutput->mTrack == NULL) { 2141 ALOGD("Recycling track for gapless playback"); 2142 delete mNextOutput->mCallbackData; 2143 mNextOutput->mCallbackData = mCallbackData; 2144 mNextOutput->mRecycledTrack = mTrack; 2145 mNextOutput->mSampleRateHz = mSampleRateHz; 2146 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 2147 mNextOutput->mFlags = mFlags; 2148 mNextOutput->mFrameSize = mFrameSize; 2149 close_l(); 2150 mCallbackData = NULL; // destruction handled by mNextOutput 2151 } else { 2152 ALOGW("Ignoring gapless playback because next player has already started"); 2153 // remove track in case resource needed for future players. 2154 if (mCallbackData != NULL) { 2155 mCallbackData->endTrackSwitch(); // release lock for callbacks before close. 2156 } 2157 close_l(); 2158 } 2159 } 2160 break; 2161 } 2162 } 2163 2164 ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) 2165 { 2166 Mutex::Autolock lock(mLock); 2167 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 2168 2169 //ALOGV("write(%p, %u)", buffer, size); 2170 if (mTrack != 0) { 2171 return mTrack->write(buffer, size, blocking); 2172 } 2173 return NO_INIT; 2174 } 2175 2176 void MediaPlayerService::AudioOutput::stop() 2177 { 2178 ALOGV("stop"); 2179 Mutex::Autolock lock(mLock); 2180 if (mTrack != 0) mTrack->stop(); 2181 } 2182 2183 void MediaPlayerService::AudioOutput::flush() 2184 { 2185 ALOGV("flush"); 2186 Mutex::Autolock lock(mLock); 2187 if (mTrack != 0) mTrack->flush(); 2188 } 2189 2190 void MediaPlayerService::AudioOutput::pause() 2191 { 2192 ALOGV("pause"); 2193 Mutex::Autolock lock(mLock); 2194 if (mTrack != 0) mTrack->pause(); 2195 } 2196 2197 void MediaPlayerService::AudioOutput::close() 2198 { 2199 ALOGV("close"); 2200 sp<AudioTrack> track; 2201 { 2202 Mutex::Autolock lock(mLock); 2203 track = mTrack; 2204 close_l(); // clears mTrack 2205 } 2206 // destruction of the track occurs outside of mutex. 2207 } 2208 2209 void MediaPlayerService::AudioOutput::setVolume(float left, float right) 2210 { 2211 ALOGV("setVolume(%f, %f)", left, right); 2212 Mutex::Autolock lock(mLock); 2213 mLeftVolume = left; 2214 mRightVolume = right; 2215 if (mTrack != 0) { 2216 mTrack->setVolume(left, right); 2217 } 2218 } 2219 2220 status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate) 2221 { 2222 ALOGV("setPlaybackRate(%f %f %d %d)", 2223 rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 2224 Mutex::Autolock lock(mLock); 2225 if (mTrack == 0) { 2226 // remember rate so that we can set it when the track is opened 2227 mPlaybackRate = rate; 2228 return OK; 2229 } 2230 status_t res = mTrack->setPlaybackRate(rate); 2231 if (res != NO_ERROR) { 2232 return res; 2233 } 2234 // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded 2235 CHECK_GT(rate.mSpeed, 0.f); 2236 mPlaybackRate = rate; 2237 if (mSampleRateHz != 0) { 2238 mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz); 2239 } 2240 return res; 2241 } 2242 2243 status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate) 2244 { 2245 ALOGV("setPlaybackRate"); 2246 Mutex::Autolock lock(mLock); 2247 if (mTrack == 0) { 2248 return NO_INIT; 2249 } 2250 *rate = mTrack->getPlaybackRate(); 2251 return NO_ERROR; 2252 } 2253 2254 status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 2255 { 2256 ALOGV("setAuxEffectSendLevel(%f)", level); 2257 Mutex::Autolock lock(mLock); 2258 mSendLevel = level; 2259 if (mTrack != 0) { 2260 return mTrack->setAuxEffectSendLevel(level); 2261 } 2262 return NO_ERROR; 2263 } 2264 2265 status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 2266 { 2267 ALOGV("attachAuxEffect(%d)", effectId); 2268 Mutex::Autolock lock(mLock); 2269 mAuxEffectId = effectId; 2270 if (mTrack != 0) { 2271 return mTrack->attachAuxEffect(effectId); 2272 } 2273 return NO_ERROR; 2274 } 2275 2276 VolumeShaper::Status MediaPlayerService::AudioOutput::applyVolumeShaper( 2277 const sp<VolumeShaper::Configuration>& configuration, 2278 const sp<VolumeShaper::Operation>& operation) 2279 { 2280 Mutex::Autolock lock(mLock); 2281 ALOGV("AudioOutput::applyVolumeShaper"); 2282 2283 mVolumeHandler->setIdIfNecessary(configuration); 2284 2285 VolumeShaper::Status status; 2286 if (mTrack != 0) { 2287 status = mTrack->applyVolumeShaper(configuration, operation); 2288 if (status >= 0) { 2289 (void)mVolumeHandler->applyVolumeShaper(configuration, operation); 2290 if (mTrack->isPlaying()) { // match local AudioTrack to properly restore. 2291 mVolumeHandler->setStarted(); 2292 } 2293 } 2294 } else { 2295 status = mVolumeHandler->applyVolumeShaper(configuration, operation); 2296 } 2297 return status; 2298 } 2299 2300 sp<VolumeShaper::State> MediaPlayerService::AudioOutput::getVolumeShaperState(int id) 2301 { 2302 Mutex::Autolock lock(mLock); 2303 if (mTrack != 0) { 2304 return mTrack->getVolumeShaperState(id); 2305 } else { 2306 return mVolumeHandler->getVolumeShaperState(id); 2307 } 2308 } 2309 2310 // static 2311 void MediaPlayerService::AudioOutput::CallbackWrapper( 2312 int event, void *cookie, void *info) { 2313 //ALOGV("callbackwrapper"); 2314 CallbackData *data = (CallbackData*)cookie; 2315 // lock to ensure we aren't caught in the middle of a track switch. 2316 data->lock(); 2317 AudioOutput *me = data->getOutput(); 2318 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 2319 if (me == NULL) { 2320 // no output set, likely because the track was scheduled to be reused 2321 // by another player, but the format turned out to be incompatible. 2322 data->unlock(); 2323 if (buffer != NULL) { 2324 buffer->size = 0; 2325 } 2326 return; 2327 } 2328 2329 switch(event) { 2330 case AudioTrack::EVENT_MORE_DATA: { 2331 size_t actualSize = (*me->mCallback)( 2332 me, buffer->raw, buffer->size, me->mCallbackCookie, 2333 CB_EVENT_FILL_BUFFER); 2334 2335 // Log when no data is returned from the callback. 2336 // (1) We may have no data (especially with network streaming sources). 2337 // (2) We may have reached the EOS and the audio track is not stopped yet. 2338 // Note that AwesomePlayer/AudioPlayer will only return zero size when it reaches the EOS. 2339 // NuPlayerRenderer will return zero when it doesn't have data (it doesn't block to fill). 2340 // 2341 // This is a benign busy-wait, with the next data request generated 10 ms or more later; 2342 // nevertheless for power reasons, we don't want to see too many of these. 2343 2344 ALOGV_IF(actualSize == 0 && buffer->size > 0, "callbackwrapper: empty buffer returned"); 2345 2346 buffer->size = actualSize; 2347 } break; 2348 2349 case AudioTrack::EVENT_STREAM_END: 2350 // currently only occurs for offloaded callbacks 2351 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 2352 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2353 me->mCallbackCookie, CB_EVENT_STREAM_END); 2354 break; 2355 2356 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 2357 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 2358 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2359 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 2360 break; 2361 2362 case AudioTrack::EVENT_UNDERRUN: 2363 // This occurs when there is no data available, typically 2364 // when there is a failure to supply data to the AudioTrack. It can also 2365 // occur in non-offloaded mode when the audio device comes out of standby. 2366 // 2367 // If an AudioTrack underruns it outputs silence. Since this happens suddenly 2368 // it may sound like an audible pop or glitch. 2369 // 2370 // The underrun event is sent once per track underrun; the condition is reset 2371 // when more data is sent to the AudioTrack. 2372 ALOGD("callbackwrapper: EVENT_UNDERRUN (discarded)"); 2373 break; 2374 2375 default: 2376 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 2377 } 2378 2379 data->unlock(); 2380 } 2381 2382 audio_session_t MediaPlayerService::AudioOutput::getSessionId() const 2383 { 2384 Mutex::Autolock lock(mLock); 2385 return mSessionId; 2386 } 2387 2388 uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 2389 { 2390 Mutex::Autolock lock(mLock); 2391 if (mTrack == 0) return 0; 2392 return mTrack->getSampleRate(); 2393 } 2394 2395 int64_t MediaPlayerService::AudioOutput::getBufferDurationInUs() const 2396 { 2397 Mutex::Autolock lock(mLock); 2398 if (mTrack == 0) { 2399 return 0; 2400 } 2401 int64_t duration; 2402 if (mTrack->getBufferDurationInUs(&duration) != OK) { 2403 return 0; 2404 } 2405 return duration; 2406 } 2407 2408 //////////////////////////////////////////////////////////////////////////////// 2409 2410 struct CallbackThread : public Thread { 2411 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 2412 MediaPlayerBase::AudioSink::AudioCallback cb, 2413 void *cookie); 2414 2415 protected: 2416 virtual ~CallbackThread(); 2417 2418 virtual bool threadLoop(); 2419 2420 private: 2421 wp<MediaPlayerBase::AudioSink> mSink; 2422 MediaPlayerBase::AudioSink::AudioCallback mCallback; 2423 void *mCookie; 2424 void *mBuffer; 2425 size_t mBufferSize; 2426 2427 CallbackThread(const CallbackThread &); 2428 CallbackThread &operator=(const CallbackThread &); 2429 }; 2430 2431 CallbackThread::CallbackThread( 2432 const wp<MediaPlayerBase::AudioSink> &sink, 2433 MediaPlayerBase::AudioSink::AudioCallback cb, 2434 void *cookie) 2435 : mSink(sink), 2436 mCallback(cb), 2437 mCookie(cookie), 2438 mBuffer(NULL), 2439 mBufferSize(0) { 2440 } 2441 2442 CallbackThread::~CallbackThread() { 2443 if (mBuffer) { 2444 free(mBuffer); 2445 mBuffer = NULL; 2446 } 2447 } 2448 2449 bool CallbackThread::threadLoop() { 2450 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 2451 if (sink == NULL) { 2452 return false; 2453 } 2454 2455 if (mBuffer == NULL) { 2456 mBufferSize = sink->bufferSize(); 2457 mBuffer = malloc(mBufferSize); 2458 } 2459 2460 size_t actualSize = 2461 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 2462 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 2463 2464 if (actualSize > 0) { 2465 sink->write(mBuffer, actualSize); 2466 // Could return false on sink->write() error or short count. 2467 // Not necessarily appropriate but would work for AudioCache behavior. 2468 } 2469 2470 return true; 2471 } 2472 2473 //////////////////////////////////////////////////////////////////////////////// 2474 2475 void MediaPlayerService::addBatteryData(uint32_t params) { 2476 mBatteryTracker.addBatteryData(params); 2477 } 2478 2479 status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2480 return mBatteryTracker.pullBatteryData(reply); 2481 } 2482 2483 MediaPlayerService::BatteryTracker::BatteryTracker() { 2484 mBatteryAudio.refCount = 0; 2485 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2486 mBatteryAudio.deviceOn[i] = 0; 2487 mBatteryAudio.lastTime[i] = 0; 2488 mBatteryAudio.totalTime[i] = 0; 2489 } 2490 // speaker is on by default 2491 mBatteryAudio.deviceOn[SPEAKER] = 1; 2492 2493 // reset battery stats 2494 // if the mediaserver has crashed, battery stats could be left 2495 // in bad state, reset the state upon service start. 2496 BatteryNotifier::getInstance().noteResetVideo(); 2497 } 2498 2499 void MediaPlayerService::BatteryTracker::addBatteryData(uint32_t params) 2500 { 2501 Mutex::Autolock lock(mLock); 2502 2503 int32_t time = systemTime() / 1000000L; 2504 2505 // change audio output devices. This notification comes from AudioFlinger 2506 if ((params & kBatteryDataSpeakerOn) 2507 || (params & kBatteryDataOtherAudioDeviceOn)) { 2508 2509 int deviceOn[NUM_AUDIO_DEVICES]; 2510 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2511 deviceOn[i] = 0; 2512 } 2513 2514 if ((params & kBatteryDataSpeakerOn) 2515 && (params & kBatteryDataOtherAudioDeviceOn)) { 2516 deviceOn[SPEAKER_AND_OTHER] = 1; 2517 } else if (params & kBatteryDataSpeakerOn) { 2518 deviceOn[SPEAKER] = 1; 2519 } else { 2520 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2521 } 2522 2523 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2524 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2525 2526 if (mBatteryAudio.refCount > 0) { // if playing audio 2527 if (!deviceOn[i]) { 2528 mBatteryAudio.lastTime[i] += time; 2529 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2530 mBatteryAudio.lastTime[i] = 0; 2531 } else { 2532 mBatteryAudio.lastTime[i] = 0 - time; 2533 } 2534 } 2535 2536 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2537 } 2538 } 2539 return; 2540 } 2541 2542 // an audio stream is started 2543 if (params & kBatteryDataAudioFlingerStart) { 2544 // record the start time only if currently no other audio 2545 // is being played 2546 if (mBatteryAudio.refCount == 0) { 2547 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2548 if (mBatteryAudio.deviceOn[i]) { 2549 mBatteryAudio.lastTime[i] -= time; 2550 } 2551 } 2552 } 2553 2554 mBatteryAudio.refCount ++; 2555 return; 2556 2557 } else if (params & kBatteryDataAudioFlingerStop) { 2558 if (mBatteryAudio.refCount <= 0) { 2559 ALOGW("Battery track warning: refCount is <= 0"); 2560 return; 2561 } 2562 2563 // record the stop time only if currently this is the only 2564 // audio being played 2565 if (mBatteryAudio.refCount == 1) { 2566 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2567 if (mBatteryAudio.deviceOn[i]) { 2568 mBatteryAudio.lastTime[i] += time; 2569 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2570 mBatteryAudio.lastTime[i] = 0; 2571 } 2572 } 2573 } 2574 2575 mBatteryAudio.refCount --; 2576 return; 2577 } 2578 2579 uid_t uid = IPCThreadState::self()->getCallingUid(); 2580 if (uid == AID_MEDIA) { 2581 return; 2582 } 2583 int index = mBatteryData.indexOfKey(uid); 2584 2585 if (index < 0) { // create a new entry for this UID 2586 BatteryUsageInfo info; 2587 info.audioTotalTime = 0; 2588 info.videoTotalTime = 0; 2589 info.audioLastTime = 0; 2590 info.videoLastTime = 0; 2591 info.refCount = 0; 2592 2593 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2594 ALOGE("Battery track error: no memory for new app"); 2595 return; 2596 } 2597 } 2598 2599 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2600 2601 if (params & kBatteryDataCodecStarted) { 2602 if (params & kBatteryDataTrackAudio) { 2603 info.audioLastTime -= time; 2604 info.refCount ++; 2605 } 2606 if (params & kBatteryDataTrackVideo) { 2607 info.videoLastTime -= time; 2608 info.refCount ++; 2609 } 2610 } else { 2611 if (info.refCount == 0) { 2612 ALOGW("Battery track warning: refCount is already 0"); 2613 return; 2614 } else if (info.refCount < 0) { 2615 ALOGE("Battery track error: refCount < 0"); 2616 mBatteryData.removeItem(uid); 2617 return; 2618 } 2619 2620 if (params & kBatteryDataTrackAudio) { 2621 info.audioLastTime += time; 2622 info.refCount --; 2623 } 2624 if (params & kBatteryDataTrackVideo) { 2625 info.videoLastTime += time; 2626 info.refCount --; 2627 } 2628 2629 // no stream is being played by this UID 2630 if (info.refCount == 0) { 2631 info.audioTotalTime += info.audioLastTime; 2632 info.audioLastTime = 0; 2633 info.videoTotalTime += info.videoLastTime; 2634 info.videoLastTime = 0; 2635 } 2636 } 2637 } 2638 2639 status_t MediaPlayerService::BatteryTracker::pullBatteryData(Parcel* reply) { 2640 Mutex::Autolock lock(mLock); 2641 2642 // audio output devices usage 2643 int32_t time = systemTime() / 1000000L; //in ms 2644 int32_t totalTime; 2645 2646 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2647 totalTime = mBatteryAudio.totalTime[i]; 2648 2649 if (mBatteryAudio.deviceOn[i] 2650 && (mBatteryAudio.lastTime[i] != 0)) { 2651 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2652 totalTime += tmpTime; 2653 } 2654 2655 reply->writeInt32(totalTime); 2656 // reset the total time 2657 mBatteryAudio.totalTime[i] = 0; 2658 } 2659 2660 // codec usage 2661 BatteryUsageInfo info; 2662 int size = mBatteryData.size(); 2663 2664 reply->writeInt32(size); 2665 int i = 0; 2666 2667 while (i < size) { 2668 info = mBatteryData.valueAt(i); 2669 2670 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2671 reply->writeInt32(info.audioTotalTime); 2672 reply->writeInt32(info.videoTotalTime); 2673 2674 info.audioTotalTime = 0; 2675 info.videoTotalTime = 0; 2676 2677 // remove the UID entry where no stream is being played 2678 if (info.refCount <= 0) { 2679 mBatteryData.removeItemsAt(i); 2680 size --; 2681 i --; 2682 } 2683 i++; 2684 } 2685 return NO_ERROR; 2686 } 2687 } // namespace android 2688
