MediaPlayerService.cpp revision 7e0c3c3e93cdf0d1fe59b82e8bc9c7c2fa678faf
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 86namespace { 87using android::media::Metadata; 88using android::status_t; 89using android::OK; 90using android::BAD_VALUE; 91using android::NOT_ENOUGH_DATA; 92using android::Parcel; 93 94// Max number of entries in the filter. 95const int kMaxFilterSize = 64; // I pulled that out of thin air. 96 97const 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. 123bool 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. 182bool 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 194namespace { 195using android::Parcel; 196using android::String16; 197 198// marshalling tag indicating flattened utf16 tags 199// keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java 200const 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. 223void 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 252namespace android { 253 254extern ALooperRoster gLooperRoster; 255 256 257static 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 268void MediaPlayerService::instantiate() { 269 defaultServiceManager()->addService( 270 String16("media.player"), new MediaPlayerService()); 271} 272 273MediaPlayerService::MediaPlayerService() 274{ 275 ALOGV("MediaPlayerService created"); 276 mNextConnId = 1; 277 278 mBatteryAudio.refCount = 0; 279 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 280 mBatteryAudio.deviceOn[i] = 0; 281 mBatteryAudio.lastTime[i] = 0; 282 mBatteryAudio.totalTime[i] = 0; 283 } 284 // speaker is on by default 285 mBatteryAudio.deviceOn[SPEAKER] = 1; 286 287 // reset battery stats 288 // if the mediaserver has crashed, battery stats could be left 289 // in bad state, reset the state upon service start. 290 BatteryNotifier::getInstance().noteResetVideo(); 291 292 MediaPlayerFactory::registerBuiltinFactories(); 293} 294 295MediaPlayerService::~MediaPlayerService() 296{ 297 ALOGV("MediaPlayerService destroyed"); 298} 299 300sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(const String16 &opPackageName) 301{ 302 pid_t pid = IPCThreadState::self()->getCallingPid(); 303 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid, opPackageName); 304 wp<MediaRecorderClient> w = recorder; 305 Mutex::Autolock lock(mLock); 306 mMediaRecorderClients.add(w); 307 ALOGV("Create new media recorder client from pid %d", pid); 308 return recorder; 309} 310 311void MediaPlayerService::removeMediaRecorderClient(const wp<MediaRecorderClient>& client) 312{ 313 Mutex::Autolock lock(mLock); 314 mMediaRecorderClients.remove(client); 315 ALOGV("Delete media recorder client"); 316} 317 318sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 319{ 320 pid_t pid = IPCThreadState::self()->getCallingPid(); 321 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 322 ALOGV("Create new media retriever from pid %d", pid); 323 return retriever; 324} 325 326sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 327 audio_session_t audioSessionId) 328{ 329 pid_t pid = IPCThreadState::self()->getCallingPid(); 330 int32_t connId = android_atomic_inc(&mNextConnId); 331 332 sp<Client> c = new Client( 333 this, pid, connId, client, audioSessionId, 334 IPCThreadState::self()->getCallingUid()); 335 336 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 337 IPCThreadState::self()->getCallingUid()); 338 339 wp<Client> w = c; 340 { 341 Mutex::Autolock lock(mLock); 342 mClients.add(w); 343 } 344 return c; 345} 346 347sp<IMediaCodecList> MediaPlayerService::getCodecList() const { 348 return MediaCodecList::getLocalInstance(); 349} 350 351sp<IOMX> MediaPlayerService::getOMX() { 352 ALOGI("MediaPlayerService::getOMX"); 353 Mutex::Autolock autoLock(mLock); 354 355 if (mOMX.get() == NULL) { 356 mOMX = new OMX; 357 } 358 359 return mOMX; 360} 361 362sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 363 return new HDCP(createEncryptionModule); 364} 365 366sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 367 const String16 &opPackageName, 368 const sp<IRemoteDisplayClient>& client, const String8& iface) { 369 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 370 return NULL; 371 } 372 373 return new RemoteDisplay(opPackageName, client, iface.string()); 374} 375 376status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 377{ 378 const size_t SIZE = 256; 379 char buffer[SIZE]; 380 String8 result; 381 382 result.append(" AudioOutput\n"); 383 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 384 mStreamType, mLeftVolume, mRightVolume); 385 result.append(buffer); 386 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 387 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 388 result.append(buffer); 389 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 390 mAuxEffectId, mSendLevel); 391 result.append(buffer); 392 393 ::write(fd, result.string(), result.size()); 394 if (mTrack != 0) { 395 mTrack->dump(fd, args); 396 } 397 return NO_ERROR; 398} 399 400status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) 401{ 402 const size_t SIZE = 256; 403 char buffer[SIZE]; 404 String8 result; 405 result.append(" Client\n"); 406 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 407 mPid, mConnId, mStatus, mLoop?"true": "false"); 408 result.append(buffer); 409 write(fd, result.string(), result.size()); 410 if (mPlayer != NULL) { 411 mPlayer->dump(fd, args); 412 } 413 if (mAudioOutput != 0) { 414 mAudioOutput->dump(fd, args); 415 } 416 write(fd, "\n", 1); 417 return NO_ERROR; 418} 419 420/** 421 * The only arguments this understands right now are -c, -von and -voff, 422 * which are parsed by ALooperRoster::dump() 423 */ 424status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 425{ 426 const size_t SIZE = 256; 427 char buffer[SIZE]; 428 String8 result; 429 SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction. 430 SortedVector< sp<MediaRecorderClient> > mediaRecorderClients; 431 432 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 433 snprintf(buffer, SIZE, "Permission Denial: " 434 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 435 IPCThreadState::self()->getCallingPid(), 436 IPCThreadState::self()->getCallingUid()); 437 result.append(buffer); 438 } else { 439 Mutex::Autolock lock(mLock); 440 for (int i = 0, n = mClients.size(); i < n; ++i) { 441 sp<Client> c = mClients[i].promote(); 442 if (c != 0) c->dump(fd, args); 443 clients.add(c); 444 } 445 if (mMediaRecorderClients.size() == 0) { 446 result.append(" No media recorder client\n\n"); 447 } else { 448 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 449 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 450 if (c != 0) { 451 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 452 result.append(buffer); 453 write(fd, result.string(), result.size()); 454 result = "\n"; 455 c->dump(fd, args); 456 mediaRecorderClients.add(c); 457 } 458 } 459 } 460 461 result.append(" Files opened and/or mapped:\n"); 462 snprintf(buffer, SIZE, "/proc/%d/maps", getpid()); 463 FILE *f = fopen(buffer, "r"); 464 if (f) { 465 while (!feof(f)) { 466 fgets(buffer, SIZE, f); 467 if (strstr(buffer, " /storage/") || 468 strstr(buffer, " /system/sounds/") || 469 strstr(buffer, " /data/") || 470 strstr(buffer, " /system/media/")) { 471 result.append(" "); 472 result.append(buffer); 473 } 474 } 475 fclose(f); 476 } else { 477 result.append("couldn't open "); 478 result.append(buffer); 479 result.append("\n"); 480 } 481 482 snprintf(buffer, SIZE, "/proc/%d/fd", getpid()); 483 DIR *d = opendir(buffer); 484 if (d) { 485 struct dirent *ent; 486 while((ent = readdir(d)) != NULL) { 487 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 488 snprintf(buffer, SIZE, "/proc/%d/fd/%s", getpid(), ent->d_name); 489 struct stat s; 490 if (lstat(buffer, &s) == 0) { 491 if ((s.st_mode & S_IFMT) == S_IFLNK) { 492 char linkto[256]; 493 int len = readlink(buffer, linkto, sizeof(linkto)); 494 if(len > 0) { 495 if(len > 255) { 496 linkto[252] = '.'; 497 linkto[253] = '.'; 498 linkto[254] = '.'; 499 linkto[255] = 0; 500 } else { 501 linkto[len] = 0; 502 } 503 if (strstr(linkto, "/storage/") == linkto || 504 strstr(linkto, "/system/sounds/") == linkto || 505 strstr(linkto, "/data/") == linkto || 506 strstr(linkto, "/system/media/") == linkto) { 507 result.append(" "); 508 result.append(buffer); 509 result.append(" -> "); 510 result.append(linkto); 511 result.append("\n"); 512 } 513 } 514 } else { 515 result.append(" unexpected type for "); 516 result.append(buffer); 517 result.append("\n"); 518 } 519 } 520 } 521 } 522 closedir(d); 523 } else { 524 result.append("couldn't open "); 525 result.append(buffer); 526 result.append("\n"); 527 } 528 529 gLooperRoster.dump(fd, args); 530 531 bool dumpMem = false; 532 bool unreachableMemory = false; 533 for (size_t i = 0; i < args.size(); i++) { 534 if (args[i] == String16("-m")) { 535 dumpMem = true; 536 } else if (args[i] == String16("--unreachable")) { 537 unreachableMemory = true; 538 } 539 } 540 if (dumpMem) { 541 result.append("\nDumping memory:\n"); 542 std::string s = dumpMemoryAddresses(100 /* limit */); 543 result.append(s.c_str(), s.size()); 544 } 545 if (unreachableMemory) { 546 result.append("\nDumping unreachable memory:\n"); 547 // TODO - should limit be an argument parameter? 548 std::string s = GetUnreachableMemoryString(true /* contents */, 10000 /* limit */); 549 result.append(s.c_str(), s.size()); 550 } 551 } 552 write(fd, result.string(), result.size()); 553 return NO_ERROR; 554} 555 556void MediaPlayerService::removeClient(const wp<Client>& client) 557{ 558 Mutex::Autolock lock(mLock); 559 mClients.remove(client); 560} 561 562bool MediaPlayerService::hasClient(wp<Client> client) 563{ 564 Mutex::Autolock lock(mLock); 565 return mClients.indexOf(client) != NAME_NOT_FOUND; 566} 567 568MediaPlayerService::Client::Client( 569 const sp<MediaPlayerService>& service, pid_t pid, 570 int32_t connId, const sp<IMediaPlayerClient>& client, 571 audio_session_t audioSessionId, uid_t uid) 572{ 573 ALOGV("Client(%d) constructor", connId); 574 mPid = pid; 575 mConnId = connId; 576 mService = service; 577 mClient = client; 578 mLoop = false; 579 mStatus = NO_INIT; 580 mAudioSessionId = audioSessionId; 581 mUid = uid; 582 mRetransmitEndpointValid = false; 583 mAudioAttributes = NULL; 584 585#if CALLBACK_ANTAGONIZER 586 ALOGD("create Antagonizer"); 587 mAntagonizer = new Antagonizer(notify, this); 588#endif 589} 590 591MediaPlayerService::Client::~Client() 592{ 593 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 594 mAudioOutput.clear(); 595 wp<Client> client(this); 596 disconnect(); 597 mService->removeClient(client); 598 if (mAudioAttributes != NULL) { 599 free(mAudioAttributes); 600 } 601 clearDeathNotifiers(); 602} 603 604void MediaPlayerService::Client::disconnect() 605{ 606 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 607 // grab local reference and clear main reference to prevent future 608 // access to object 609 sp<MediaPlayerBase> p; 610 { 611 Mutex::Autolock l(mLock); 612 p = mPlayer; 613 mClient.clear(); 614 } 615 616 mPlayer.clear(); 617 618 // clear the notification to prevent callbacks to dead client 619 // and reset the player. We assume the player will serialize 620 // access to itself if necessary. 621 if (p != 0) { 622 p->setNotifyCallback(0, 0); 623#if CALLBACK_ANTAGONIZER 624 ALOGD("kill Antagonizer"); 625 mAntagonizer->kill(); 626#endif 627 p->reset(); 628 } 629 630 disconnectNativeWindow(); 631 632 IPCThreadState::self()->flushCommands(); 633} 634 635sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 636{ 637 // determine if we have the right player type 638 sp<MediaPlayerBase> p = mPlayer; 639 if ((p != NULL) && (p->playerType() != playerType)) { 640 ALOGV("delete player"); 641 p.clear(); 642 } 643 if (p == NULL) { 644 p = MediaPlayerFactory::createPlayer(playerType, this, notify, mPid); 645 } 646 647 if (p != NULL) { 648 p->setUID(mUid); 649 } 650 651 return p; 652} 653 654MediaPlayerService::Client::ServiceDeathNotifier::ServiceDeathNotifier( 655 const sp<IBinder>& service, 656 const sp<MediaPlayerBase>& listener, 657 int which) { 658 mService = service; 659 mOmx = nullptr; 660 mListener = listener; 661 mWhich = which; 662} 663 664MediaPlayerService::Client::ServiceDeathNotifier::ServiceDeathNotifier( 665 const sp<IOmx>& omx, 666 const sp<MediaPlayerBase>& listener, 667 int which) { 668 mService = nullptr; 669 mOmx = omx; 670 mListener = listener; 671 mWhich = which; 672} 673 674MediaPlayerService::Client::ServiceDeathNotifier::~ServiceDeathNotifier() { 675} 676 677void MediaPlayerService::Client::ServiceDeathNotifier::binderDied(const wp<IBinder>& /*who*/) { 678 sp<MediaPlayerBase> listener = mListener.promote(); 679 if (listener != NULL) { 680 listener->sendEvent(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, mWhich); 681 } else { 682 ALOGW("listener for process %d death is gone", mWhich); 683 } 684} 685 686void MediaPlayerService::Client::ServiceDeathNotifier::serviceDied( 687 uint64_t /* cookie */, 688 const wp<::android::hidl::base::V1_0::IBase>& /* who */) { 689 sp<MediaPlayerBase> listener = mListener.promote(); 690 if (listener != NULL) { 691 listener->sendEvent(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, mWhich); 692 } else { 693 ALOGW("listener for process %d death is gone", mWhich); 694 } 695} 696 697void MediaPlayerService::Client::ServiceDeathNotifier::unlinkToDeath() { 698 if (mService != nullptr) { 699 mService->unlinkToDeath(this); 700 mService = nullptr; 701 } else if (mOmx != nullptr) { 702 mOmx->unlinkToDeath(this); 703 mOmx = nullptr; 704 } 705} 706 707void MediaPlayerService::Client::clearDeathNotifiers() { 708 if (mExtractorDeathListener != nullptr) { 709 mExtractorDeathListener->unlinkToDeath(); 710 mExtractorDeathListener = nullptr; 711 } 712 if (mCodecDeathListener != nullptr) { 713 mCodecDeathListener->unlinkToDeath(); 714 mCodecDeathListener = nullptr; 715 } 716} 717 718sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 719 player_type playerType) 720{ 721 ALOGV("player type = %d", playerType); 722 clearDeathNotifiers(); 723 724 // create the right type of player 725 sp<MediaPlayerBase> p = createPlayer(playerType); 726 if (p == NULL) { 727 return p; 728 } 729 730 sp<IServiceManager> sm = defaultServiceManager(); 731 sp<IBinder> binder = sm->getService(String16("media.extractor")); 732 if (binder == NULL) { 733 ALOGE("extractor service not available"); 734 return NULL; 735 } 736 mExtractorDeathListener = new ServiceDeathNotifier(binder, p, MEDIAEXTRACTOR_PROCESS_DEATH); 737 binder->linkToDeath(mExtractorDeathListener); 738 739 int32_t trebleOmx = property_get_int32("persist.media.treble_omx", -1); 740 if ((trebleOmx == 1) || ((trebleOmx == -1) && 741 property_get_bool("persist.hal.binderization", 0))) { 742 // Treble IOmx 743 sp<IOmx> omx = IOmx::getService(); 744 if (omx == nullptr) { 745 ALOGE("Treble IOmx not available"); 746 return NULL; 747 } 748 mCodecDeathListener = new ServiceDeathNotifier(omx, p, MEDIACODEC_PROCESS_DEATH); 749 omx->linkToDeath(mCodecDeathListener, 0); 750 } else { 751 // Legacy IOMX 752 binder = sm->getService(String16("media.codec")); 753 if (binder == NULL) { 754 ALOGE("codec service not available"); 755 return NULL; 756 } 757 mCodecDeathListener = new ServiceDeathNotifier(binder, p, MEDIACODEC_PROCESS_DEATH); 758 binder->linkToDeath(mCodecDeathListener); 759 } 760 761 if (!p->hardwareOutput()) { 762 Mutex::Autolock l(mLock); 763 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 764 mPid, mAudioAttributes); 765 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 766 } 767 768 return p; 769} 770 771void MediaPlayerService::Client::setDataSource_post( 772 const sp<MediaPlayerBase>& p, 773 status_t status) 774{ 775 ALOGV(" setDataSource"); 776 mStatus = status; 777 if (mStatus != OK) { 778 ALOGE(" error: %d", mStatus); 779 return; 780 } 781 782 // Set the re-transmission endpoint if one was chosen. 783 if (mRetransmitEndpointValid) { 784 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 785 if (mStatus != NO_ERROR) { 786 ALOGE("setRetransmitEndpoint error: %d", mStatus); 787 } 788 } 789 790 if (mStatus == OK) { 791 mPlayer = p; 792 } 793} 794 795status_t MediaPlayerService::Client::setDataSource( 796 const sp<IMediaHTTPService> &httpService, 797 const char *url, 798 const KeyedVector<String8, String8> *headers) 799{ 800 ALOGV("setDataSource(%s)", url); 801 if (url == NULL) 802 return UNKNOWN_ERROR; 803 804 if ((strncmp(url, "http://", 7) == 0) || 805 (strncmp(url, "https://", 8) == 0) || 806 (strncmp(url, "rtsp://", 7) == 0)) { 807 if (!checkPermission("android.permission.INTERNET")) { 808 return PERMISSION_DENIED; 809 } 810 } 811 812 if (strncmp(url, "content://", 10) == 0) { 813 // get a filedescriptor for the content Uri and 814 // pass it to the setDataSource(fd) method 815 816 String16 url16(url); 817 int fd = android::openContentProviderFile(url16); 818 if (fd < 0) 819 { 820 ALOGE("Couldn't open fd for %s", url); 821 return UNKNOWN_ERROR; 822 } 823 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 824 close(fd); 825 return mStatus; 826 } else { 827 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 828 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 829 if (p == NULL) { 830 return NO_INIT; 831 } 832 833 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 834 return mStatus; 835 } 836} 837 838status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 839{ 840 ALOGV("setDataSource fd=%d (%s), offset=%lld, length=%lld", 841 fd, nameForFd(fd).c_str(), (long long) offset, (long long) length); 842 struct stat sb; 843 int ret = fstat(fd, &sb); 844 if (ret != 0) { 845 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 846 return UNKNOWN_ERROR; 847 } 848 849 ALOGV("st_dev = %llu", static_cast<unsigned long long>(sb.st_dev)); 850 ALOGV("st_mode = %u", sb.st_mode); 851 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); 852 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); 853 ALOGV("st_size = %llu", static_cast<unsigned long long>(sb.st_size)); 854 855 if (offset >= sb.st_size) { 856 ALOGE("offset error"); 857 return UNKNOWN_ERROR; 858 } 859 if (offset + length > sb.st_size) { 860 length = sb.st_size - offset; 861 ALOGV("calculated length = %lld", (long long)length); 862 } 863 864 player_type playerType = MediaPlayerFactory::getPlayerType(this, 865 fd, 866 offset, 867 length); 868 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 869 if (p == NULL) { 870 return NO_INIT; 871 } 872 873 // now set data source 874 setDataSource_post(p, p->setDataSource(fd, offset, length)); 875 return mStatus; 876} 877 878status_t MediaPlayerService::Client::setDataSource( 879 const sp<IStreamSource> &source) { 880 // create the right type of player 881 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 882 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 883 if (p == NULL) { 884 return NO_INIT; 885 } 886 887 // now set data source 888 setDataSource_post(p, p->setDataSource(source)); 889 return mStatus; 890} 891 892status_t MediaPlayerService::Client::setDataSource( 893 const sp<IDataSource> &source) { 894 sp<DataSource> dataSource = DataSource::CreateFromIDataSource(source); 895 player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource); 896 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 897 if (p == NULL) { 898 return NO_INIT; 899 } 900 // now set data source 901 setDataSource_post(p, p->setDataSource(dataSource)); 902 return mStatus; 903} 904 905void MediaPlayerService::Client::disconnectNativeWindow() { 906 if (mConnectedWindow != NULL) { 907 status_t err = nativeWindowDisconnect( 908 mConnectedWindow.get(), "disconnectNativeWindow"); 909 910 if (err != OK) { 911 ALOGW("nativeWindowDisconnect returned an error: %s (%d)", 912 strerror(-err), err); 913 } 914 } 915 mConnectedWindow.clear(); 916} 917 918status_t MediaPlayerService::Client::setVideoSurfaceTexture( 919 const sp<IGraphicBufferProducer>& bufferProducer) 920{ 921 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 922 sp<MediaPlayerBase> p = getPlayer(); 923 if (p == 0) return UNKNOWN_ERROR; 924 925 sp<IBinder> binder(IInterface::asBinder(bufferProducer)); 926 if (mConnectedWindowBinder == binder) { 927 return OK; 928 } 929 930 sp<ANativeWindow> anw; 931 if (bufferProducer != NULL) { 932 anw = new Surface(bufferProducer, true /* controlledByApp */); 933 status_t err = nativeWindowConnect(anw.get(), "setVideoSurfaceTexture"); 934 935 if (err != OK) { 936 ALOGE("setVideoSurfaceTexture failed: %d", err); 937 // Note that we must do the reset before disconnecting from the ANW. 938 // Otherwise queue/dequeue calls could be made on the disconnected 939 // ANW, which may result in errors. 940 reset(); 941 942 disconnectNativeWindow(); 943 944 return err; 945 } 946 } 947 948 // Note that we must set the player's new GraphicBufferProducer before 949 // disconnecting the old one. Otherwise queue/dequeue calls could be made 950 // on the disconnected ANW, which may result in errors. 951 status_t err = p->setVideoSurfaceTexture(bufferProducer); 952 953 disconnectNativeWindow(); 954 955 mConnectedWindow = anw; 956 957 if (err == OK) { 958 mConnectedWindowBinder = binder; 959 } else { 960 disconnectNativeWindow(); 961 } 962 963 return err; 964} 965 966status_t MediaPlayerService::Client::invoke(const Parcel& request, 967 Parcel *reply) 968{ 969 sp<MediaPlayerBase> p = getPlayer(); 970 if (p == NULL) return UNKNOWN_ERROR; 971 return p->invoke(request, reply); 972} 973 974// This call doesn't need to access the native player. 975status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 976{ 977 status_t status; 978 media::Metadata::Filter allow, drop; 979 980 if (unmarshallFilter(filter, &allow, &status) && 981 unmarshallFilter(filter, &drop, &status)) { 982 Mutex::Autolock lock(mLock); 983 984 mMetadataAllow = allow; 985 mMetadataDrop = drop; 986 } 987 return status; 988} 989 990status_t MediaPlayerService::Client::getMetadata( 991 bool update_only, bool /*apply_filter*/, Parcel *reply) 992{ 993 sp<MediaPlayerBase> player = getPlayer(); 994 if (player == 0) return UNKNOWN_ERROR; 995 996 status_t status; 997 // Placeholder for the return code, updated by the caller. 998 reply->writeInt32(-1); 999 1000 media::Metadata::Filter ids; 1001 1002 // We don't block notifications while we fetch the data. We clear 1003 // mMetadataUpdated first so we don't lose notifications happening 1004 // during the rest of this call. 1005 { 1006 Mutex::Autolock lock(mLock); 1007 if (update_only) { 1008 ids = mMetadataUpdated; 1009 } 1010 mMetadataUpdated.clear(); 1011 } 1012 1013 media::Metadata metadata(reply); 1014 1015 metadata.appendHeader(); 1016 status = player->getMetadata(ids, reply); 1017 1018 if (status != OK) { 1019 metadata.resetParcel(); 1020 ALOGE("getMetadata failed %d", status); 1021 return status; 1022 } 1023 1024 // FIXME: Implement filtering on the result. Not critical since 1025 // filtering takes place on the update notifications already. This 1026 // would be when all the metadata are fetch and a filter is set. 1027 1028 // Everything is fine, update the metadata length. 1029 metadata.updateLength(); 1030 return OK; 1031} 1032 1033status_t MediaPlayerService::Client::setBufferingSettings( 1034 const BufferingSettings& buffering) 1035{ 1036 ALOGV("[%d] setBufferingSettings{%s}", 1037 mConnId, buffering.toString().string()); 1038 sp<MediaPlayerBase> p = getPlayer(); 1039 if (p == 0) return UNKNOWN_ERROR; 1040 return p->setBufferingSettings(buffering); 1041} 1042 1043status_t MediaPlayerService::Client::getDefaultBufferingSettings( 1044 BufferingSettings* buffering /* nonnull */) 1045{ 1046 sp<MediaPlayerBase> p = getPlayer(); 1047 // TODO: create mPlayer on demand. 1048 if (p == 0) return UNKNOWN_ERROR; 1049 status_t ret = p->getDefaultBufferingSettings(buffering); 1050 if (ret == NO_ERROR) { 1051 ALOGV("[%d] getDefaultBufferingSettings{%s}", 1052 mConnId, buffering->toString().string()); 1053 } else { 1054 ALOGV("[%d] getDefaultBufferingSettings returned %d", mConnId, ret); 1055 } 1056 return ret; 1057} 1058 1059status_t MediaPlayerService::Client::prepareAsync() 1060{ 1061 ALOGV("[%d] prepareAsync", mConnId); 1062 sp<MediaPlayerBase> p = getPlayer(); 1063 if (p == 0) return UNKNOWN_ERROR; 1064 status_t ret = p->prepareAsync(); 1065#if CALLBACK_ANTAGONIZER 1066 ALOGD("start Antagonizer"); 1067 if (ret == NO_ERROR) mAntagonizer->start(); 1068#endif 1069 return ret; 1070} 1071 1072status_t MediaPlayerService::Client::start() 1073{ 1074 ALOGV("[%d] start", mConnId); 1075 sp<MediaPlayerBase> p = getPlayer(); 1076 if (p == 0) return UNKNOWN_ERROR; 1077 p->setLooping(mLoop); 1078 return p->start(); 1079} 1080 1081status_t MediaPlayerService::Client::stop() 1082{ 1083 ALOGV("[%d] stop", mConnId); 1084 sp<MediaPlayerBase> p = getPlayer(); 1085 if (p == 0) return UNKNOWN_ERROR; 1086 return p->stop(); 1087} 1088 1089status_t MediaPlayerService::Client::pause() 1090{ 1091 ALOGV("[%d] pause", mConnId); 1092 sp<MediaPlayerBase> p = getPlayer(); 1093 if (p == 0) return UNKNOWN_ERROR; 1094 return p->pause(); 1095} 1096 1097status_t MediaPlayerService::Client::isPlaying(bool* state) 1098{ 1099 *state = false; 1100 sp<MediaPlayerBase> p = getPlayer(); 1101 if (p == 0) return UNKNOWN_ERROR; 1102 *state = p->isPlaying(); 1103 ALOGV("[%d] isPlaying: %d", mConnId, *state); 1104 return NO_ERROR; 1105} 1106 1107status_t MediaPlayerService::Client::setPlaybackSettings(const AudioPlaybackRate& rate) 1108{ 1109 ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)", 1110 mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 1111 sp<MediaPlayerBase> p = getPlayer(); 1112 if (p == 0) return UNKNOWN_ERROR; 1113 return p->setPlaybackSettings(rate); 1114} 1115 1116status_t MediaPlayerService::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) 1117{ 1118 sp<MediaPlayerBase> p = getPlayer(); 1119 if (p == 0) return UNKNOWN_ERROR; 1120 status_t ret = p->getPlaybackSettings(rate); 1121 if (ret == NO_ERROR) { 1122 ALOGV("[%d] getPlaybackSettings(%f, %f, %d, %d)", 1123 mConnId, rate->mSpeed, rate->mPitch, rate->mFallbackMode, rate->mStretchMode); 1124 } else { 1125 ALOGV("[%d] getPlaybackSettings returned %d", mConnId, ret); 1126 } 1127 return ret; 1128} 1129 1130status_t MediaPlayerService::Client::setSyncSettings( 1131 const AVSyncSettings& sync, float videoFpsHint) 1132{ 1133 ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)", 1134 mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint); 1135 sp<MediaPlayerBase> p = getPlayer(); 1136 if (p == 0) return UNKNOWN_ERROR; 1137 return p->setSyncSettings(sync, videoFpsHint); 1138} 1139 1140status_t MediaPlayerService::Client::getSyncSettings( 1141 AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */) 1142{ 1143 sp<MediaPlayerBase> p = getPlayer(); 1144 if (p == 0) return UNKNOWN_ERROR; 1145 status_t ret = p->getSyncSettings(sync, videoFps); 1146 if (ret == NO_ERROR) { 1147 ALOGV("[%d] getSyncSettings(%u, %u, %f, %f)", 1148 mConnId, sync->mSource, sync->mAudioAdjustMode, sync->mTolerance, *videoFps); 1149 } else { 1150 ALOGV("[%d] getSyncSettings returned %d", mConnId, ret); 1151 } 1152 return ret; 1153} 1154 1155status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 1156{ 1157 ALOGV("getCurrentPosition"); 1158 sp<MediaPlayerBase> p = getPlayer(); 1159 if (p == 0) return UNKNOWN_ERROR; 1160 status_t ret = p->getCurrentPosition(msec); 1161 if (ret == NO_ERROR) { 1162 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 1163 } else { 1164 ALOGE("getCurrentPosition returned %d", ret); 1165 } 1166 return ret; 1167} 1168 1169status_t MediaPlayerService::Client::getDuration(int *msec) 1170{ 1171 ALOGV("getDuration"); 1172 sp<MediaPlayerBase> p = getPlayer(); 1173 if (p == 0) return UNKNOWN_ERROR; 1174 status_t ret = p->getDuration(msec); 1175 if (ret == NO_ERROR) { 1176 ALOGV("[%d] getDuration = %d", mConnId, *msec); 1177 } else { 1178 ALOGE("getDuration returned %d", ret); 1179 } 1180 return ret; 1181} 1182 1183status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 1184 ALOGV("setNextPlayer"); 1185 Mutex::Autolock l(mLock); 1186 sp<Client> c = static_cast<Client*>(player.get()); 1187 if (c != NULL && !mService->hasClient(c)) { 1188 return BAD_VALUE; 1189 } 1190 1191 mNextClient = c; 1192 1193 if (c != NULL) { 1194 if (mAudioOutput != NULL) { 1195 mAudioOutput->setNextOutput(c->mAudioOutput); 1196 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 1197 ALOGE("no current audio output"); 1198 } 1199 1200 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 1201 mPlayer->setNextPlayer(mNextClient->getPlayer()); 1202 } 1203 } 1204 1205 return OK; 1206} 1207 1208VolumeShaper::Status MediaPlayerService::Client::applyVolumeShaper( 1209 const sp<VolumeShaper::Configuration>& configuration, 1210 const sp<VolumeShaper::Operation>& operation) { 1211 // for hardware output, call player instead 1212 ALOGV("Client::applyVolumeShaper(%p)", this); 1213 sp<MediaPlayerBase> p = getPlayer(); 1214 { 1215 Mutex::Autolock l(mLock); 1216 if (p != 0 && p->hardwareOutput()) { 1217 // TODO: investigate internal implementation 1218 return VolumeShaper::Status(INVALID_OPERATION); 1219 } 1220 if (mAudioOutput.get() != nullptr) { 1221 return mAudioOutput->applyVolumeShaper(configuration, operation); 1222 } 1223 } 1224 return VolumeShaper::Status(INVALID_OPERATION); 1225} 1226 1227sp<VolumeShaper::State> MediaPlayerService::Client::getVolumeShaperState(int id) { 1228 // for hardware output, call player instead 1229 ALOGV("Client::getVolumeShaperState(%p)", this); 1230 sp<MediaPlayerBase> p = getPlayer(); 1231 { 1232 Mutex::Autolock l(mLock); 1233 if (p != 0 && p->hardwareOutput()) { 1234 // TODO: investigate internal implementation. 1235 return nullptr; 1236 } 1237 if (mAudioOutput.get() != nullptr) { 1238 return mAudioOutput->getVolumeShaperState(id); 1239 } 1240 } 1241 return nullptr; 1242} 1243 1244status_t MediaPlayerService::Client::seekTo(int msec, MediaPlayerSeekMode mode) 1245{ 1246 ALOGV("[%d] seekTo(%d, %d)", mConnId, msec, mode); 1247 sp<MediaPlayerBase> p = getPlayer(); 1248 if (p == 0) return UNKNOWN_ERROR; 1249 return p->seekTo(msec, mode); 1250} 1251 1252status_t MediaPlayerService::Client::reset() 1253{ 1254 ALOGV("[%d] reset", mConnId); 1255 mRetransmitEndpointValid = false; 1256 sp<MediaPlayerBase> p = getPlayer(); 1257 if (p == 0) return UNKNOWN_ERROR; 1258 return p->reset(); 1259} 1260 1261status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 1262{ 1263 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1264 // TODO: for hardware output, call player instead 1265 Mutex::Autolock l(mLock); 1266 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1267 return NO_ERROR; 1268} 1269 1270status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) 1271{ 1272 if (mAudioAttributes != NULL) { free(mAudioAttributes); } 1273 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1274 if (mAudioAttributes == NULL) { 1275 return NO_MEMORY; 1276 } 1277 unmarshallAudioAttributes(parcel, mAudioAttributes); 1278 1279 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", 1280 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, 1281 mAudioAttributes->tags); 1282 1283 if (mAudioOutput != 0) { 1284 mAudioOutput->setAudioAttributes(mAudioAttributes); 1285 } 1286 return NO_ERROR; 1287} 1288 1289status_t MediaPlayerService::Client::setLooping(int loop) 1290{ 1291 ALOGV("[%d] setLooping(%d)", mConnId, loop); 1292 mLoop = loop; 1293 sp<MediaPlayerBase> p = getPlayer(); 1294 if (p != 0) return p->setLooping(loop); 1295 return NO_ERROR; 1296} 1297 1298status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1299{ 1300 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1301 1302 // for hardware output, call player instead 1303 sp<MediaPlayerBase> p = getPlayer(); 1304 { 1305 Mutex::Autolock l(mLock); 1306 if (p != 0 && p->hardwareOutput()) { 1307 MediaPlayerHWInterface* hwp = 1308 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1309 return hwp->setVolume(leftVolume, rightVolume); 1310 } else { 1311 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1312 return NO_ERROR; 1313 } 1314 } 1315 1316 return NO_ERROR; 1317} 1318 1319status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1320{ 1321 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1322 Mutex::Autolock l(mLock); 1323 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1324 return NO_ERROR; 1325} 1326 1327status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1328{ 1329 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1330 Mutex::Autolock l(mLock); 1331 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1332 return NO_ERROR; 1333} 1334 1335status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1336 ALOGV("[%d] setParameter(%d)", mConnId, key); 1337 switch (key) { 1338 case KEY_PARAMETER_AUDIO_ATTRIBUTES: 1339 { 1340 Mutex::Autolock l(mLock); 1341 return setAudioAttributes_l(request); 1342 } 1343 default: 1344 sp<MediaPlayerBase> p = getPlayer(); 1345 if (p == 0) { return UNKNOWN_ERROR; } 1346 return p->setParameter(key, request); 1347 } 1348} 1349 1350status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1351 ALOGV("[%d] getParameter(%d)", mConnId, key); 1352 sp<MediaPlayerBase> p = getPlayer(); 1353 if (p == 0) return UNKNOWN_ERROR; 1354 return p->getParameter(key, reply); 1355} 1356 1357status_t MediaPlayerService::Client::setRetransmitEndpoint( 1358 const struct sockaddr_in* endpoint) { 1359 1360 if (NULL != endpoint) { 1361 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1362 uint16_t p = ntohs(endpoint->sin_port); 1363 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1364 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1365 } else { 1366 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1367 } 1368 1369 sp<MediaPlayerBase> p = getPlayer(); 1370 1371 // Right now, the only valid time to set a retransmit endpoint is before 1372 // player selection has been made (since the presence or absence of a 1373 // retransmit endpoint is going to determine which player is selected during 1374 // setDataSource). 1375 if (p != 0) return INVALID_OPERATION; 1376 1377 if (NULL != endpoint) { 1378 mRetransmitEndpoint = *endpoint; 1379 mRetransmitEndpointValid = true; 1380 } else { 1381 mRetransmitEndpointValid = false; 1382 } 1383 1384 return NO_ERROR; 1385} 1386 1387status_t MediaPlayerService::Client::getRetransmitEndpoint( 1388 struct sockaddr_in* endpoint) 1389{ 1390 if (NULL == endpoint) 1391 return BAD_VALUE; 1392 1393 sp<MediaPlayerBase> p = getPlayer(); 1394 1395 if (p != NULL) 1396 return p->getRetransmitEndpoint(endpoint); 1397 1398 if (!mRetransmitEndpointValid) 1399 return NO_INIT; 1400 1401 *endpoint = mRetransmitEndpoint; 1402 1403 return NO_ERROR; 1404} 1405 1406void MediaPlayerService::Client::notify( 1407 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1408{ 1409 Client* client = static_cast<Client*>(cookie); 1410 if (client == NULL) { 1411 return; 1412 } 1413 1414 sp<IMediaPlayerClient> c; 1415 sp<Client> nextClient; 1416 status_t errStartNext = NO_ERROR; 1417 { 1418 Mutex::Autolock l(client->mLock); 1419 c = client->mClient; 1420 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1421 nextClient = client->mNextClient; 1422 1423 if (client->mAudioOutput != NULL) 1424 client->mAudioOutput->switchToNextOutput(); 1425 1426 errStartNext = nextClient->start(); 1427 } 1428 } 1429 1430 if (nextClient != NULL) { 1431 sp<IMediaPlayerClient> nc; 1432 { 1433 Mutex::Autolock l(nextClient->mLock); 1434 nc = nextClient->mClient; 1435 } 1436 if (nc != NULL) { 1437 if (errStartNext == NO_ERROR) { 1438 nc->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1439 } else { 1440 nc->notify(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN , 0, obj); 1441 ALOGE("gapless:start playback for next track failed, err(%d)", errStartNext); 1442 } 1443 } 1444 } 1445 1446 if (MEDIA_INFO == msg && 1447 MEDIA_INFO_METADATA_UPDATE == ext1) { 1448 const media::Metadata::Type metadata_type = ext2; 1449 1450 if(client->shouldDropMetadata(metadata_type)) { 1451 return; 1452 } 1453 1454 // Update the list of metadata that have changed. getMetadata 1455 // also access mMetadataUpdated and clears it. 1456 client->addNewMetadataUpdate(metadata_type); 1457 } 1458 1459 if (c != NULL) { 1460 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1461 c->notify(msg, ext1, ext2, obj); 1462 } 1463} 1464 1465 1466bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1467{ 1468 Mutex::Autolock lock(mLock); 1469 1470 if (findMetadata(mMetadataDrop, code)) { 1471 return true; 1472 } 1473 1474 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1475 return false; 1476 } else { 1477 return true; 1478 } 1479} 1480 1481 1482void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1483 Mutex::Autolock lock(mLock); 1484 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1485 mMetadataUpdated.add(metadata_type); 1486 } 1487} 1488 1489// Modular DRM 1490status_t MediaPlayerService::Client::prepareDrm(const uint8_t uuid[16], 1491 const Vector<uint8_t>& drmSessionId) 1492{ 1493 ALOGV("[%d] prepareDrm", mConnId); 1494 sp<MediaPlayerBase> p = getPlayer(); 1495 if (p == 0) return UNKNOWN_ERROR; 1496 1497 status_t ret = p->prepareDrm(uuid, drmSessionId); 1498 ALOGV("prepareDrm ret: %d", ret); 1499 1500 return ret; 1501} 1502 1503status_t MediaPlayerService::Client::releaseDrm() 1504{ 1505 ALOGV("[%d] releaseDrm", mConnId); 1506 sp<MediaPlayerBase> p = getPlayer(); 1507 if (p == 0) return UNKNOWN_ERROR; 1508 1509 status_t ret = p->releaseDrm(); 1510 ALOGV("releaseDrm ret: %d", ret); 1511 1512 return ret; 1513} 1514 1515#if CALLBACK_ANTAGONIZER 1516const int Antagonizer::interval = 10000; // 10 msecs 1517 1518Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1519 mExit(false), mActive(false), mClient(client), mCb(cb) 1520{ 1521 createThread(callbackThread, this); 1522} 1523 1524void Antagonizer::kill() 1525{ 1526 Mutex::Autolock _l(mLock); 1527 mActive = false; 1528 mExit = true; 1529 mCondition.wait(mLock); 1530} 1531 1532int Antagonizer::callbackThread(void* user) 1533{ 1534 ALOGD("Antagonizer started"); 1535 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1536 while (!p->mExit) { 1537 if (p->mActive) { 1538 ALOGV("send event"); 1539 p->mCb(p->mClient, 0, 0, 0); 1540 } 1541 usleep(interval); 1542 } 1543 Mutex::Autolock _l(p->mLock); 1544 p->mCondition.signal(); 1545 ALOGD("Antagonizer stopped"); 1546 return 0; 1547} 1548#endif 1549 1550#undef LOG_TAG 1551#define LOG_TAG "AudioSink" 1552MediaPlayerService::AudioOutput::AudioOutput(audio_session_t sessionId, uid_t uid, int pid, 1553 const audio_attributes_t* attr) 1554 : mCallback(NULL), 1555 mCallbackCookie(NULL), 1556 mCallbackData(NULL), 1557 mStreamType(AUDIO_STREAM_MUSIC), 1558 mLeftVolume(1.0), 1559 mRightVolume(1.0), 1560 mPlaybackRate(AUDIO_PLAYBACK_RATE_DEFAULT), 1561 mSampleRateHz(0), 1562 mMsecsPerFrame(0), 1563 mFrameSize(0), 1564 mSessionId(sessionId), 1565 mUid(uid), 1566 mPid(pid), 1567 mSendLevel(0.0), 1568 mAuxEffectId(0), 1569 mFlags(AUDIO_OUTPUT_FLAG_NONE) 1570{ 1571 ALOGV("AudioOutput(%d)", sessionId); 1572 if (attr != NULL) { 1573 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1574 if (mAttributes != NULL) { 1575 memcpy(mAttributes, attr, sizeof(audio_attributes_t)); 1576 mStreamType = audio_attributes_to_stream_type(attr); 1577 } 1578 } else { 1579 mAttributes = NULL; 1580 } 1581 1582 setMinBufferCount(); 1583} 1584 1585MediaPlayerService::AudioOutput::~AudioOutput() 1586{ 1587 close(); 1588 free(mAttributes); 1589 delete mCallbackData; 1590} 1591 1592//static 1593void MediaPlayerService::AudioOutput::setMinBufferCount() 1594{ 1595 char value[PROPERTY_VALUE_MAX]; 1596 if (property_get("ro.kernel.qemu", value, 0)) { 1597 mIsOnEmulator = true; 1598 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1599 } 1600} 1601 1602// static 1603bool MediaPlayerService::AudioOutput::isOnEmulator() 1604{ 1605 setMinBufferCount(); // benign race wrt other threads 1606 return mIsOnEmulator; 1607} 1608 1609// static 1610int MediaPlayerService::AudioOutput::getMinBufferCount() 1611{ 1612 setMinBufferCount(); // benign race wrt other threads 1613 return mMinBufferCount; 1614} 1615 1616ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1617{ 1618 Mutex::Autolock lock(mLock); 1619 if (mTrack == 0) return NO_INIT; 1620 return mTrack->frameCount() * mFrameSize; 1621} 1622 1623ssize_t MediaPlayerService::AudioOutput::frameCount() const 1624{ 1625 Mutex::Autolock lock(mLock); 1626 if (mTrack == 0) return NO_INIT; 1627 return mTrack->frameCount(); 1628} 1629 1630ssize_t MediaPlayerService::AudioOutput::channelCount() const 1631{ 1632 Mutex::Autolock lock(mLock); 1633 if (mTrack == 0) return NO_INIT; 1634 return mTrack->channelCount(); 1635} 1636 1637ssize_t MediaPlayerService::AudioOutput::frameSize() const 1638{ 1639 Mutex::Autolock lock(mLock); 1640 if (mTrack == 0) return NO_INIT; 1641 return mFrameSize; 1642} 1643 1644uint32_t MediaPlayerService::AudioOutput::latency () const 1645{ 1646 Mutex::Autolock lock(mLock); 1647 if (mTrack == 0) return 0; 1648 return mTrack->latency(); 1649} 1650 1651float MediaPlayerService::AudioOutput::msecsPerFrame() const 1652{ 1653 Mutex::Autolock lock(mLock); 1654 return mMsecsPerFrame; 1655} 1656 1657status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1658{ 1659 Mutex::Autolock lock(mLock); 1660 if (mTrack == 0) return NO_INIT; 1661 return mTrack->getPosition(position); 1662} 1663 1664status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const 1665{ 1666 Mutex::Autolock lock(mLock); 1667 if (mTrack == 0) return NO_INIT; 1668 return mTrack->getTimestamp(ts); 1669} 1670 1671// TODO: Remove unnecessary calls to getPlayedOutDurationUs() 1672// as it acquires locks and may query the audio driver. 1673// 1674// Some calls could conceivably retrieve extrapolated data instead of 1675// accessing getTimestamp() or getPosition() every time a data buffer with 1676// a media time is received. 1677// 1678// Calculate duration of played samples if played at normal rate (i.e., 1.0). 1679int64_t MediaPlayerService::AudioOutput::getPlayedOutDurationUs(int64_t nowUs) const 1680{ 1681 Mutex::Autolock lock(mLock); 1682 if (mTrack == 0 || mSampleRateHz == 0) { 1683 return 0; 1684 } 1685 1686 uint32_t numFramesPlayed; 1687 int64_t numFramesPlayedAtUs; 1688 AudioTimestamp ts; 1689 1690 status_t res = mTrack->getTimestamp(ts); 1691 if (res == OK) { // case 1: mixing audio tracks and offloaded tracks. 1692 numFramesPlayed = ts.mPosition; 1693 numFramesPlayedAtUs = ts.mTime.tv_sec * 1000000LL + ts.mTime.tv_nsec / 1000; 1694 //ALOGD("getTimestamp: OK %d %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1695 } else if (res == WOULD_BLOCK) { // case 2: transitory state on start of a new track 1696 numFramesPlayed = 0; 1697 numFramesPlayedAtUs = nowUs; 1698 //ALOGD("getTimestamp: WOULD_BLOCK %d %lld", 1699 // numFramesPlayed, (long long)numFramesPlayedAtUs); 1700 } else { // case 3: transitory at new track or audio fast tracks. 1701 res = mTrack->getPosition(&numFramesPlayed); 1702 CHECK_EQ(res, (status_t)OK); 1703 numFramesPlayedAtUs = nowUs; 1704 numFramesPlayedAtUs += 1000LL * mTrack->latency() / 2; /* XXX */ 1705 //ALOGD("getPosition: %u %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1706 } 1707 1708 // CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test 1709 // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours. 1710 int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000000LL / mSampleRateHz) 1711 + nowUs - numFramesPlayedAtUs; 1712 if (durationUs < 0) { 1713 // Occurs when numFramesPlayed position is very small and the following: 1714 // (1) In case 1, the time nowUs is computed before getTimestamp() is called and 1715 // numFramesPlayedAtUs is greater than nowUs by time more than numFramesPlayed. 1716 // (2) In case 3, using getPosition and adding mAudioSink->latency() to 1717 // numFramesPlayedAtUs, by a time amount greater than numFramesPlayed. 1718 // 1719 // Both of these are transitory conditions. 1720 ALOGV("getPlayedOutDurationUs: negative duration %lld set to zero", (long long)durationUs); 1721 durationUs = 0; 1722 } 1723 ALOGV("getPlayedOutDurationUs(%lld) nowUs(%lld) frames(%u) framesAt(%lld)", 1724 (long long)durationUs, (long long)nowUs, 1725 numFramesPlayed, (long long)numFramesPlayedAtUs); 1726 return durationUs; 1727} 1728 1729status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1730{ 1731 Mutex::Autolock lock(mLock); 1732 if (mTrack == 0) return NO_INIT; 1733 ExtendedTimestamp ets; 1734 status_t status = mTrack->getTimestamp(&ets); 1735 if (status == OK || status == WOULD_BLOCK) { 1736 *frameswritten = (uint32_t)ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT]; 1737 } 1738 return status; 1739} 1740 1741status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1742{ 1743 Mutex::Autolock lock(mLock); 1744 if (mTrack == 0) return NO_INIT; 1745 return mTrack->setParameters(keyValuePairs); 1746} 1747 1748String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1749{ 1750 Mutex::Autolock lock(mLock); 1751 if (mTrack == 0) return String8::empty(); 1752 return mTrack->getParameters(keys); 1753} 1754 1755void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1756 Mutex::Autolock lock(mLock); 1757 if (attributes == NULL) { 1758 free(mAttributes); 1759 mAttributes = NULL; 1760 } else { 1761 if (mAttributes == NULL) { 1762 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1763 } 1764 memcpy(mAttributes, attributes, sizeof(audio_attributes_t)); 1765 mStreamType = audio_attributes_to_stream_type(attributes); 1766 } 1767} 1768 1769void MediaPlayerService::AudioOutput::setAudioStreamType(audio_stream_type_t streamType) 1770{ 1771 Mutex::Autolock lock(mLock); 1772 // do not allow direct stream type modification if attributes have been set 1773 if (mAttributes == NULL) { 1774 mStreamType = streamType; 1775 } 1776} 1777 1778void MediaPlayerService::AudioOutput::deleteRecycledTrack_l() 1779{ 1780 ALOGV("deleteRecycledTrack_l"); 1781 if (mRecycledTrack != 0) { 1782 1783 if (mCallbackData != NULL) { 1784 mCallbackData->setOutput(NULL); 1785 mCallbackData->endTrackSwitch(); 1786 } 1787 1788 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1789 int32_t msec = 0; 1790 if (!mRecycledTrack->stopped()) { // check if active 1791 (void)mRecycledTrack->pendingDuration(&msec); 1792 } 1793 mRecycledTrack->stop(); // ensure full data drain 1794 ALOGD("deleting recycled track, waiting for data drain (%d msec)", msec); 1795 if (msec > 0) { 1796 static const int32_t WAIT_LIMIT_MS = 3000; 1797 if (msec > WAIT_LIMIT_MS) { 1798 msec = WAIT_LIMIT_MS; 1799 } 1800 usleep(msec * 1000LL); 1801 } 1802 } 1803 // An offloaded track isn't flushed because the STREAM_END is reported 1804 // slightly prematurely to allow time for the gapless track switch 1805 // but this means that if we decide not to recycle the track there 1806 // could be a small amount of residual data still playing. We leave 1807 // AudioFlinger to drain the track. 1808 1809 mRecycledTrack.clear(); 1810 close_l(); 1811 delete mCallbackData; 1812 mCallbackData = NULL; 1813 } 1814} 1815 1816void MediaPlayerService::AudioOutput::close_l() 1817{ 1818 mTrack.clear(); 1819} 1820 1821status_t MediaPlayerService::AudioOutput::open( 1822 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1823 audio_format_t format, int bufferCount, 1824 AudioCallback cb, void *cookie, 1825 audio_output_flags_t flags, 1826 const audio_offload_info_t *offloadInfo, 1827 bool doNotReconnect, 1828 uint32_t suggestedFrameCount) 1829{ 1830 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1831 format, bufferCount, mSessionId, flags); 1832 1833 // offloading is only supported in callback mode for now. 1834 // offloadInfo must be present if offload flag is set 1835 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1836 ((cb == NULL) || (offloadInfo == NULL))) { 1837 return BAD_VALUE; 1838 } 1839 1840 // compute frame count for the AudioTrack internal buffer 1841 size_t frameCount; 1842 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1843 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1844 } else { 1845 // try to estimate the buffer processing fetch size from AudioFlinger. 1846 // framesPerBuffer is approximate and generally correct, except when it's not :-). 1847 uint32_t afSampleRate; 1848 size_t afFrameCount; 1849 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1850 return NO_INIT; 1851 } 1852 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1853 return NO_INIT; 1854 } 1855 const size_t framesPerBuffer = 1856 (unsigned long long)sampleRate * afFrameCount / afSampleRate; 1857 1858 if (bufferCount == 0) { 1859 // use suggestedFrameCount 1860 bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer; 1861 } 1862 // Check argument bufferCount against the mininum buffer count 1863 if (bufferCount != 0 && bufferCount < mMinBufferCount) { 1864 ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount); 1865 bufferCount = mMinBufferCount; 1866 } 1867 // if frameCount is 0, then AudioTrack will get frame count from AudioFlinger 1868 // which will be the minimum size permitted. 1869 frameCount = bufferCount * framesPerBuffer; 1870 } 1871 1872 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1873 channelMask = audio_channel_out_mask_from_count(channelCount); 1874 if (0 == channelMask) { 1875 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1876 return NO_INIT; 1877 } 1878 } 1879 1880 Mutex::Autolock lock(mLock); 1881 mCallback = cb; 1882 mCallbackCookie = cookie; 1883 1884 // Check whether we can recycle the track 1885 bool reuse = false; 1886 bool bothOffloaded = false; 1887 1888 if (mRecycledTrack != 0) { 1889 // check whether we are switching between two offloaded tracks 1890 bothOffloaded = (flags & mRecycledTrack->getFlags() 1891 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1892 1893 // check if the existing track can be reused as-is, or if a new track needs to be created. 1894 reuse = true; 1895 1896 if ((mCallbackData == NULL && mCallback != NULL) || 1897 (mCallbackData != NULL && mCallback == NULL)) { 1898 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1899 ALOGV("can't chain callback and write"); 1900 reuse = false; 1901 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1902 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1903 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1904 mRecycledTrack->getSampleRate(), sampleRate, 1905 mRecycledTrack->channelCount(), channelCount); 1906 reuse = false; 1907 } else if (flags != mFlags) { 1908 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1909 reuse = false; 1910 } else if (mRecycledTrack->format() != format) { 1911 reuse = false; 1912 } 1913 } else { 1914 ALOGV("no track available to recycle"); 1915 } 1916 1917 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1918 1919 // If we can't recycle and both tracks are offloaded 1920 // we must close the previous output before opening a new one 1921 if (bothOffloaded && !reuse) { 1922 ALOGV("both offloaded and not recycling"); 1923 deleteRecycledTrack_l(); 1924 } 1925 1926 sp<AudioTrack> t; 1927 CallbackData *newcbd = NULL; 1928 1929 // We don't attempt to create a new track if we are recycling an 1930 // offloaded track. But, if we are recycling a non-offloaded or we 1931 // are switching where one is offloaded and one isn't then we create 1932 // the new track in advance so that we can read additional stream info 1933 1934 if (!(reuse && bothOffloaded)) { 1935 ALOGV("creating new AudioTrack"); 1936 1937 if (mCallback != NULL) { 1938 newcbd = new CallbackData(this); 1939 t = new AudioTrack( 1940 mStreamType, 1941 sampleRate, 1942 format, 1943 channelMask, 1944 frameCount, 1945 flags, 1946 CallbackWrapper, 1947 newcbd, 1948 0, // notification frames 1949 mSessionId, 1950 AudioTrack::TRANSFER_CALLBACK, 1951 offloadInfo, 1952 mUid, 1953 mPid, 1954 mAttributes, 1955 doNotReconnect); 1956 } else { 1957 // TODO: Due to buffer memory concerns, we use a max target playback speed 1958 // based on mPlaybackRate at the time of open (instead of kMaxRequiredSpeed), 1959 // also clamping the target speed to 1.0 <= targetSpeed <= kMaxRequiredSpeed. 1960 const float targetSpeed = 1961 std::min(std::max(mPlaybackRate.mSpeed, 1.0f), kMaxRequiredSpeed); 1962 ALOGW_IF(targetSpeed != mPlaybackRate.mSpeed, 1963 "track target speed:%f clamped from playback speed:%f", 1964 targetSpeed, mPlaybackRate.mSpeed); 1965 t = new AudioTrack( 1966 mStreamType, 1967 sampleRate, 1968 format, 1969 channelMask, 1970 frameCount, 1971 flags, 1972 NULL, // callback 1973 NULL, // user data 1974 0, // notification frames 1975 mSessionId, 1976 AudioTrack::TRANSFER_DEFAULT, 1977 NULL, // offload info 1978 mUid, 1979 mPid, 1980 mAttributes, 1981 doNotReconnect, 1982 targetSpeed); 1983 } 1984 1985 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1986 ALOGE("Unable to create audio track"); 1987 delete newcbd; 1988 // t goes out of scope, so reference count drops to zero 1989 return NO_INIT; 1990 } else { 1991 // successful AudioTrack initialization implies a legacy stream type was generated 1992 // from the audio attributes 1993 mStreamType = t->streamType(); 1994 } 1995 } 1996 1997 if (reuse) { 1998 CHECK(mRecycledTrack != NULL); 1999 2000 if (!bothOffloaded) { 2001 if (mRecycledTrack->frameCount() != t->frameCount()) { 2002 ALOGV("framecount differs: %zu/%zu frames", 2003 mRecycledTrack->frameCount(), t->frameCount()); 2004 reuse = false; 2005 } 2006 } 2007 2008 if (reuse) { 2009 ALOGV("chaining to next output and recycling track"); 2010 close_l(); 2011 mTrack = mRecycledTrack; 2012 mRecycledTrack.clear(); 2013 if (mCallbackData != NULL) { 2014 mCallbackData->setOutput(this); 2015 } 2016 delete newcbd; 2017 return updateTrack(); 2018 } 2019 } 2020 2021 // we're not going to reuse the track, unblock and flush it 2022 // this was done earlier if both tracks are offloaded 2023 if (!bothOffloaded) { 2024 deleteRecycledTrack_l(); 2025 } 2026 2027 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 2028 2029 mCallbackData = newcbd; 2030 ALOGV("setVolume"); 2031 t->setVolume(mLeftVolume, mRightVolume); 2032 2033 mSampleRateHz = sampleRate; 2034 mFlags = flags; 2035 mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate); 2036 mFrameSize = t->frameSize(); 2037 mTrack = t; 2038 2039 return updateTrack(); 2040} 2041 2042status_t MediaPlayerService::AudioOutput::updateTrack() { 2043 if (mTrack == NULL) { 2044 return NO_ERROR; 2045 } 2046 2047 status_t res = NO_ERROR; 2048 // Note some output devices may give us a direct track even though we don't specify it. 2049 // Example: Line application b/17459982. 2050 if ((mTrack->getFlags() 2051 & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) { 2052 res = mTrack->setPlaybackRate(mPlaybackRate); 2053 if (res == NO_ERROR) { 2054 mTrack->setAuxEffectSendLevel(mSendLevel); 2055 res = mTrack->attachAuxEffect(mAuxEffectId); 2056 } 2057 } 2058 ALOGV("updateTrack() DONE status %d", res); 2059 return res; 2060} 2061 2062status_t MediaPlayerService::AudioOutput::start() 2063{ 2064 ALOGV("start"); 2065 Mutex::Autolock lock(mLock); 2066 if (mCallbackData != NULL) { 2067 mCallbackData->endTrackSwitch(); 2068 } 2069 if (mTrack != 0) { 2070 mTrack->setVolume(mLeftVolume, mRightVolume); 2071 mTrack->setAuxEffectSendLevel(mSendLevel); 2072 return mTrack->start(); 2073 } 2074 return NO_INIT; 2075} 2076 2077void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 2078 Mutex::Autolock lock(mLock); 2079 mNextOutput = nextOutput; 2080} 2081 2082void MediaPlayerService::AudioOutput::switchToNextOutput() { 2083 ALOGV("switchToNextOutput"); 2084 2085 // Try to acquire the callback lock before moving track (without incurring deadlock). 2086 const unsigned kMaxSwitchTries = 100; 2087 Mutex::Autolock lock(mLock); 2088 for (unsigned tries = 0;;) { 2089 if (mTrack == 0) { 2090 return; 2091 } 2092 if (mNextOutput != NULL && mNextOutput != this) { 2093 if (mCallbackData != NULL) { 2094 // two alternative approaches 2095#if 1 2096 CallbackData *callbackData = mCallbackData; 2097 mLock.unlock(); 2098 // proper acquisition sequence 2099 callbackData->lock(); 2100 mLock.lock(); 2101 // Caution: it is unlikely that someone deleted our callback or changed our target 2102 if (callbackData != mCallbackData || mNextOutput == NULL || mNextOutput == this) { 2103 // fatal if we are starved out. 2104 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2105 "switchToNextOutput() cannot obtain correct lock sequence"); 2106 callbackData->unlock(); 2107 continue; 2108 } 2109 callbackData->mSwitching = true; // begin track switch 2110 callbackData->setOutput(NULL); 2111#else 2112 // tryBeginTrackSwitch() returns false if the callback has the lock. 2113 if (!mCallbackData->tryBeginTrackSwitch()) { 2114 // fatal if we are starved out. 2115 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2116 "switchToNextOutput() cannot obtain callback lock"); 2117 mLock.unlock(); 2118 usleep(5 * 1000 /* usec */); // allow callback to use AudioOutput 2119 mLock.lock(); 2120 continue; 2121 } 2122#endif 2123 } 2124 2125 Mutex::Autolock nextLock(mNextOutput->mLock); 2126 2127 // If the next output track is not NULL, then it has been 2128 // opened already for playback. 2129 // This is possible even without the next player being started, 2130 // for example, the next player could be prepared and seeked. 2131 // 2132 // Presuming it isn't advisable to force the track over. 2133 if (mNextOutput->mTrack == NULL) { 2134 ALOGD("Recycling track for gapless playback"); 2135 delete mNextOutput->mCallbackData; 2136 mNextOutput->mCallbackData = mCallbackData; 2137 mNextOutput->mRecycledTrack = mTrack; 2138 mNextOutput->mSampleRateHz = mSampleRateHz; 2139 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 2140 mNextOutput->mFlags = mFlags; 2141 mNextOutput->mFrameSize = mFrameSize; 2142 close_l(); 2143 mCallbackData = NULL; // destruction handled by mNextOutput 2144 } else { 2145 ALOGW("Ignoring gapless playback because next player has already started"); 2146 // remove track in case resource needed for future players. 2147 if (mCallbackData != NULL) { 2148 mCallbackData->endTrackSwitch(); // release lock for callbacks before close. 2149 } 2150 close_l(); 2151 } 2152 } 2153 break; 2154 } 2155} 2156 2157ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) 2158{ 2159 Mutex::Autolock lock(mLock); 2160 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 2161 2162 //ALOGV("write(%p, %u)", buffer, size); 2163 if (mTrack != 0) { 2164 return mTrack->write(buffer, size, blocking); 2165 } 2166 return NO_INIT; 2167} 2168 2169void MediaPlayerService::AudioOutput::stop() 2170{ 2171 ALOGV("stop"); 2172 Mutex::Autolock lock(mLock); 2173 if (mTrack != 0) mTrack->stop(); 2174} 2175 2176void MediaPlayerService::AudioOutput::flush() 2177{ 2178 ALOGV("flush"); 2179 Mutex::Autolock lock(mLock); 2180 if (mTrack != 0) mTrack->flush(); 2181} 2182 2183void MediaPlayerService::AudioOutput::pause() 2184{ 2185 ALOGV("pause"); 2186 Mutex::Autolock lock(mLock); 2187 if (mTrack != 0) mTrack->pause(); 2188} 2189 2190void MediaPlayerService::AudioOutput::close() 2191{ 2192 ALOGV("close"); 2193 sp<AudioTrack> track; 2194 { 2195 Mutex::Autolock lock(mLock); 2196 track = mTrack; 2197 close_l(); // clears mTrack 2198 } 2199 // destruction of the track occurs outside of mutex. 2200} 2201 2202void MediaPlayerService::AudioOutput::setVolume(float left, float right) 2203{ 2204 ALOGV("setVolume(%f, %f)", left, right); 2205 Mutex::Autolock lock(mLock); 2206 mLeftVolume = left; 2207 mRightVolume = right; 2208 if (mTrack != 0) { 2209 mTrack->setVolume(left, right); 2210 } 2211} 2212 2213status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate) 2214{ 2215 ALOGV("setPlaybackRate(%f %f %d %d)", 2216 rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 2217 Mutex::Autolock lock(mLock); 2218 if (mTrack == 0) { 2219 // remember rate so that we can set it when the track is opened 2220 mPlaybackRate = rate; 2221 return OK; 2222 } 2223 status_t res = mTrack->setPlaybackRate(rate); 2224 if (res != NO_ERROR) { 2225 return res; 2226 } 2227 // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded 2228 CHECK_GT(rate.mSpeed, 0.f); 2229 mPlaybackRate = rate; 2230 if (mSampleRateHz != 0) { 2231 mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz); 2232 } 2233 return res; 2234} 2235 2236status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate) 2237{ 2238 ALOGV("setPlaybackRate"); 2239 Mutex::Autolock lock(mLock); 2240 if (mTrack == 0) { 2241 return NO_INIT; 2242 } 2243 *rate = mTrack->getPlaybackRate(); 2244 return NO_ERROR; 2245} 2246 2247status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 2248{ 2249 ALOGV("setAuxEffectSendLevel(%f)", level); 2250 Mutex::Autolock lock(mLock); 2251 mSendLevel = level; 2252 if (mTrack != 0) { 2253 return mTrack->setAuxEffectSendLevel(level); 2254 } 2255 return NO_ERROR; 2256} 2257 2258status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 2259{ 2260 ALOGV("attachAuxEffect(%d)", effectId); 2261 Mutex::Autolock lock(mLock); 2262 mAuxEffectId = effectId; 2263 if (mTrack != 0) { 2264 return mTrack->attachAuxEffect(effectId); 2265 } 2266 return NO_ERROR; 2267} 2268 2269VolumeShaper::Status MediaPlayerService::AudioOutput::applyVolumeShaper( 2270 const sp<VolumeShaper::Configuration>& configuration, 2271 const sp<VolumeShaper::Operation>& operation) 2272{ 2273 Mutex::Autolock lock(mLock); 2274 ALOGV("AudioOutput::applyVolumeShaper"); 2275 if (mTrack != 0) { 2276 return mTrack->applyVolumeShaper(configuration, operation); 2277 } 2278 return VolumeShaper::Status(INVALID_OPERATION); 2279} 2280 2281sp<VolumeShaper::State> MediaPlayerService::AudioOutput::getVolumeShaperState(int id) 2282{ 2283 Mutex::Autolock lock(mLock); 2284 if (mTrack != 0) { 2285 return mTrack->getVolumeShaperState(id); 2286 } 2287 return nullptr; 2288} 2289 2290// static 2291void MediaPlayerService::AudioOutput::CallbackWrapper( 2292 int event, void *cookie, void *info) { 2293 //ALOGV("callbackwrapper"); 2294 CallbackData *data = (CallbackData*)cookie; 2295 // lock to ensure we aren't caught in the middle of a track switch. 2296 data->lock(); 2297 AudioOutput *me = data->getOutput(); 2298 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 2299 if (me == NULL) { 2300 // no output set, likely because the track was scheduled to be reused 2301 // by another player, but the format turned out to be incompatible. 2302 data->unlock(); 2303 if (buffer != NULL) { 2304 buffer->size = 0; 2305 } 2306 return; 2307 } 2308 2309 switch(event) { 2310 case AudioTrack::EVENT_MORE_DATA: { 2311 size_t actualSize = (*me->mCallback)( 2312 me, buffer->raw, buffer->size, me->mCallbackCookie, 2313 CB_EVENT_FILL_BUFFER); 2314 2315 // Log when no data is returned from the callback. 2316 // (1) We may have no data (especially with network streaming sources). 2317 // (2) We may have reached the EOS and the audio track is not stopped yet. 2318 // Note that AwesomePlayer/AudioPlayer will only return zero size when it reaches the EOS. 2319 // NuPlayerRenderer will return zero when it doesn't have data (it doesn't block to fill). 2320 // 2321 // This is a benign busy-wait, with the next data request generated 10 ms or more later; 2322 // nevertheless for power reasons, we don't want to see too many of these. 2323 2324 ALOGV_IF(actualSize == 0 && buffer->size > 0, "callbackwrapper: empty buffer returned"); 2325 2326 buffer->size = actualSize; 2327 } break; 2328 2329 case AudioTrack::EVENT_STREAM_END: 2330 // currently only occurs for offloaded callbacks 2331 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 2332 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2333 me->mCallbackCookie, CB_EVENT_STREAM_END); 2334 break; 2335 2336 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 2337 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 2338 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2339 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 2340 break; 2341 2342 case AudioTrack::EVENT_UNDERRUN: 2343 // This occurs when there is no data available, typically 2344 // when there is a failure to supply data to the AudioTrack. It can also 2345 // occur in non-offloaded mode when the audio device comes out of standby. 2346 // 2347 // If an AudioTrack underruns it outputs silence. Since this happens suddenly 2348 // it may sound like an audible pop or glitch. 2349 // 2350 // The underrun event is sent once per track underrun; the condition is reset 2351 // when more data is sent to the AudioTrack. 2352 ALOGD("callbackwrapper: EVENT_UNDERRUN (discarded)"); 2353 break; 2354 2355 default: 2356 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 2357 } 2358 2359 data->unlock(); 2360} 2361 2362audio_session_t MediaPlayerService::AudioOutput::getSessionId() const 2363{ 2364 Mutex::Autolock lock(mLock); 2365 return mSessionId; 2366} 2367 2368uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 2369{ 2370 Mutex::Autolock lock(mLock); 2371 if (mTrack == 0) return 0; 2372 return mTrack->getSampleRate(); 2373} 2374 2375int64_t MediaPlayerService::AudioOutput::getBufferDurationInUs() const 2376{ 2377 Mutex::Autolock lock(mLock); 2378 if (mTrack == 0) { 2379 return 0; 2380 } 2381 int64_t duration; 2382 if (mTrack->getBufferDurationInUs(&duration) != OK) { 2383 return 0; 2384 } 2385 return duration; 2386} 2387 2388//////////////////////////////////////////////////////////////////////////////// 2389 2390struct CallbackThread : public Thread { 2391 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 2392 MediaPlayerBase::AudioSink::AudioCallback cb, 2393 void *cookie); 2394 2395protected: 2396 virtual ~CallbackThread(); 2397 2398 virtual bool threadLoop(); 2399 2400private: 2401 wp<MediaPlayerBase::AudioSink> mSink; 2402 MediaPlayerBase::AudioSink::AudioCallback mCallback; 2403 void *mCookie; 2404 void *mBuffer; 2405 size_t mBufferSize; 2406 2407 CallbackThread(const CallbackThread &); 2408 CallbackThread &operator=(const CallbackThread &); 2409}; 2410 2411CallbackThread::CallbackThread( 2412 const wp<MediaPlayerBase::AudioSink> &sink, 2413 MediaPlayerBase::AudioSink::AudioCallback cb, 2414 void *cookie) 2415 : mSink(sink), 2416 mCallback(cb), 2417 mCookie(cookie), 2418 mBuffer(NULL), 2419 mBufferSize(0) { 2420} 2421 2422CallbackThread::~CallbackThread() { 2423 if (mBuffer) { 2424 free(mBuffer); 2425 mBuffer = NULL; 2426 } 2427} 2428 2429bool CallbackThread::threadLoop() { 2430 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 2431 if (sink == NULL) { 2432 return false; 2433 } 2434 2435 if (mBuffer == NULL) { 2436 mBufferSize = sink->bufferSize(); 2437 mBuffer = malloc(mBufferSize); 2438 } 2439 2440 size_t actualSize = 2441 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 2442 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 2443 2444 if (actualSize > 0) { 2445 sink->write(mBuffer, actualSize); 2446 // Could return false on sink->write() error or short count. 2447 // Not necessarily appropriate but would work for AudioCache behavior. 2448 } 2449 2450 return true; 2451} 2452 2453//////////////////////////////////////////////////////////////////////////////// 2454 2455void MediaPlayerService::addBatteryData(uint32_t params) 2456{ 2457 Mutex::Autolock lock(mLock); 2458 2459 int32_t time = systemTime() / 1000000L; 2460 2461 // change audio output devices. This notification comes from AudioFlinger 2462 if ((params & kBatteryDataSpeakerOn) 2463 || (params & kBatteryDataOtherAudioDeviceOn)) { 2464 2465 int deviceOn[NUM_AUDIO_DEVICES]; 2466 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2467 deviceOn[i] = 0; 2468 } 2469 2470 if ((params & kBatteryDataSpeakerOn) 2471 && (params & kBatteryDataOtherAudioDeviceOn)) { 2472 deviceOn[SPEAKER_AND_OTHER] = 1; 2473 } else if (params & kBatteryDataSpeakerOn) { 2474 deviceOn[SPEAKER] = 1; 2475 } else { 2476 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2477 } 2478 2479 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2480 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2481 2482 if (mBatteryAudio.refCount > 0) { // if playing audio 2483 if (!deviceOn[i]) { 2484 mBatteryAudio.lastTime[i] += time; 2485 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2486 mBatteryAudio.lastTime[i] = 0; 2487 } else { 2488 mBatteryAudio.lastTime[i] = 0 - time; 2489 } 2490 } 2491 2492 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2493 } 2494 } 2495 return; 2496 } 2497 2498 // an audio stream is started 2499 if (params & kBatteryDataAudioFlingerStart) { 2500 // record the start time only if currently no other audio 2501 // is being played 2502 if (mBatteryAudio.refCount == 0) { 2503 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2504 if (mBatteryAudio.deviceOn[i]) { 2505 mBatteryAudio.lastTime[i] -= time; 2506 } 2507 } 2508 } 2509 2510 mBatteryAudio.refCount ++; 2511 return; 2512 2513 } else if (params & kBatteryDataAudioFlingerStop) { 2514 if (mBatteryAudio.refCount <= 0) { 2515 ALOGW("Battery track warning: refCount is <= 0"); 2516 return; 2517 } 2518 2519 // record the stop time only if currently this is the only 2520 // audio being played 2521 if (mBatteryAudio.refCount == 1) { 2522 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2523 if (mBatteryAudio.deviceOn[i]) { 2524 mBatteryAudio.lastTime[i] += time; 2525 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2526 mBatteryAudio.lastTime[i] = 0; 2527 } 2528 } 2529 } 2530 2531 mBatteryAudio.refCount --; 2532 return; 2533 } 2534 2535 uid_t uid = IPCThreadState::self()->getCallingUid(); 2536 if (uid == AID_MEDIA) { 2537 return; 2538 } 2539 int index = mBatteryData.indexOfKey(uid); 2540 2541 if (index < 0) { // create a new entry for this UID 2542 BatteryUsageInfo info; 2543 info.audioTotalTime = 0; 2544 info.videoTotalTime = 0; 2545 info.audioLastTime = 0; 2546 info.videoLastTime = 0; 2547 info.refCount = 0; 2548 2549 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2550 ALOGE("Battery track error: no memory for new app"); 2551 return; 2552 } 2553 } 2554 2555 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2556 2557 if (params & kBatteryDataCodecStarted) { 2558 if (params & kBatteryDataTrackAudio) { 2559 info.audioLastTime -= time; 2560 info.refCount ++; 2561 } 2562 if (params & kBatteryDataTrackVideo) { 2563 info.videoLastTime -= time; 2564 info.refCount ++; 2565 } 2566 } else { 2567 if (info.refCount == 0) { 2568 ALOGW("Battery track warning: refCount is already 0"); 2569 return; 2570 } else if (info.refCount < 0) { 2571 ALOGE("Battery track error: refCount < 0"); 2572 mBatteryData.removeItem(uid); 2573 return; 2574 } 2575 2576 if (params & kBatteryDataTrackAudio) { 2577 info.audioLastTime += time; 2578 info.refCount --; 2579 } 2580 if (params & kBatteryDataTrackVideo) { 2581 info.videoLastTime += time; 2582 info.refCount --; 2583 } 2584 2585 // no stream is being played by this UID 2586 if (info.refCount == 0) { 2587 info.audioTotalTime += info.audioLastTime; 2588 info.audioLastTime = 0; 2589 info.videoTotalTime += info.videoLastTime; 2590 info.videoLastTime = 0; 2591 } 2592 } 2593} 2594 2595status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2596 Mutex::Autolock lock(mLock); 2597 2598 // audio output devices usage 2599 int32_t time = systemTime() / 1000000L; //in ms 2600 int32_t totalTime; 2601 2602 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2603 totalTime = mBatteryAudio.totalTime[i]; 2604 2605 if (mBatteryAudio.deviceOn[i] 2606 && (mBatteryAudio.lastTime[i] != 0)) { 2607 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2608 totalTime += tmpTime; 2609 } 2610 2611 reply->writeInt32(totalTime); 2612 // reset the total time 2613 mBatteryAudio.totalTime[i] = 0; 2614 } 2615 2616 // codec usage 2617 BatteryUsageInfo info; 2618 int size = mBatteryData.size(); 2619 2620 reply->writeInt32(size); 2621 int i = 0; 2622 2623 while (i < size) { 2624 info = mBatteryData.valueAt(i); 2625 2626 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2627 reply->writeInt32(info.audioTotalTime); 2628 reply->writeInt32(info.videoTotalTime); 2629 2630 info.audioTotalTime = 0; 2631 info.videoTotalTime = 0; 2632 2633 // remove the UID entry where no stream is being played 2634 if (info.refCount <= 0) { 2635 mBatteryData.removeItemsAt(i); 2636 size --; 2637 i --; 2638 } 2639 i++; 2640 } 2641 return NO_ERROR; 2642} 2643} // namespace android 2644