MediaPlayerService.cpp revision 4ef88d7106c01f81109ee163cb6789073d80c6ae
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 mVolumeHandler(new VolumeHandler()) 1571{ 1572 ALOGV("AudioOutput(%d)", sessionId); 1573 if (attr != NULL) { 1574 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1575 if (mAttributes != NULL) { 1576 memcpy(mAttributes, attr, sizeof(audio_attributes_t)); 1577 mStreamType = audio_attributes_to_stream_type(attr); 1578 } 1579 } else { 1580 mAttributes = NULL; 1581 } 1582 1583 setMinBufferCount(); 1584} 1585 1586MediaPlayerService::AudioOutput::~AudioOutput() 1587{ 1588 close(); 1589 free(mAttributes); 1590 delete mCallbackData; 1591} 1592 1593//static 1594void MediaPlayerService::AudioOutput::setMinBufferCount() 1595{ 1596 char value[PROPERTY_VALUE_MAX]; 1597 if (property_get("ro.kernel.qemu", value, 0)) { 1598 mIsOnEmulator = true; 1599 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1600 } 1601} 1602 1603// static 1604bool MediaPlayerService::AudioOutput::isOnEmulator() 1605{ 1606 setMinBufferCount(); // benign race wrt other threads 1607 return mIsOnEmulator; 1608} 1609 1610// static 1611int MediaPlayerService::AudioOutput::getMinBufferCount() 1612{ 1613 setMinBufferCount(); // benign race wrt other threads 1614 return mMinBufferCount; 1615} 1616 1617ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1618{ 1619 Mutex::Autolock lock(mLock); 1620 if (mTrack == 0) return NO_INIT; 1621 return mTrack->frameCount() * mFrameSize; 1622} 1623 1624ssize_t MediaPlayerService::AudioOutput::frameCount() const 1625{ 1626 Mutex::Autolock lock(mLock); 1627 if (mTrack == 0) return NO_INIT; 1628 return mTrack->frameCount(); 1629} 1630 1631ssize_t MediaPlayerService::AudioOutput::channelCount() const 1632{ 1633 Mutex::Autolock lock(mLock); 1634 if (mTrack == 0) return NO_INIT; 1635 return mTrack->channelCount(); 1636} 1637 1638ssize_t MediaPlayerService::AudioOutput::frameSize() const 1639{ 1640 Mutex::Autolock lock(mLock); 1641 if (mTrack == 0) return NO_INIT; 1642 return mFrameSize; 1643} 1644 1645uint32_t MediaPlayerService::AudioOutput::latency () const 1646{ 1647 Mutex::Autolock lock(mLock); 1648 if (mTrack == 0) return 0; 1649 return mTrack->latency(); 1650} 1651 1652float MediaPlayerService::AudioOutput::msecsPerFrame() const 1653{ 1654 Mutex::Autolock lock(mLock); 1655 return mMsecsPerFrame; 1656} 1657 1658status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1659{ 1660 Mutex::Autolock lock(mLock); 1661 if (mTrack == 0) return NO_INIT; 1662 return mTrack->getPosition(position); 1663} 1664 1665status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const 1666{ 1667 Mutex::Autolock lock(mLock); 1668 if (mTrack == 0) return NO_INIT; 1669 return mTrack->getTimestamp(ts); 1670} 1671 1672// TODO: Remove unnecessary calls to getPlayedOutDurationUs() 1673// as it acquires locks and may query the audio driver. 1674// 1675// Some calls could conceivably retrieve extrapolated data instead of 1676// accessing getTimestamp() or getPosition() every time a data buffer with 1677// a media time is received. 1678// 1679// Calculate duration of played samples if played at normal rate (i.e., 1.0). 1680int64_t MediaPlayerService::AudioOutput::getPlayedOutDurationUs(int64_t nowUs) const 1681{ 1682 Mutex::Autolock lock(mLock); 1683 if (mTrack == 0 || mSampleRateHz == 0) { 1684 return 0; 1685 } 1686 1687 uint32_t numFramesPlayed; 1688 int64_t numFramesPlayedAtUs; 1689 AudioTimestamp ts; 1690 1691 status_t res = mTrack->getTimestamp(ts); 1692 if (res == OK) { // case 1: mixing audio tracks and offloaded tracks. 1693 numFramesPlayed = ts.mPosition; 1694 numFramesPlayedAtUs = ts.mTime.tv_sec * 1000000LL + ts.mTime.tv_nsec / 1000; 1695 //ALOGD("getTimestamp: OK %d %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1696 } else if (res == WOULD_BLOCK) { // case 2: transitory state on start of a new track 1697 numFramesPlayed = 0; 1698 numFramesPlayedAtUs = nowUs; 1699 //ALOGD("getTimestamp: WOULD_BLOCK %d %lld", 1700 // numFramesPlayed, (long long)numFramesPlayedAtUs); 1701 } else { // case 3: transitory at new track or audio fast tracks. 1702 res = mTrack->getPosition(&numFramesPlayed); 1703 CHECK_EQ(res, (status_t)OK); 1704 numFramesPlayedAtUs = nowUs; 1705 numFramesPlayedAtUs += 1000LL * mTrack->latency() / 2; /* XXX */ 1706 //ALOGD("getPosition: %u %lld", numFramesPlayed, (long long)numFramesPlayedAtUs); 1707 } 1708 1709 // CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test 1710 // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours. 1711 int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000000LL / mSampleRateHz) 1712 + nowUs - numFramesPlayedAtUs; 1713 if (durationUs < 0) { 1714 // Occurs when numFramesPlayed position is very small and the following: 1715 // (1) In case 1, the time nowUs is computed before getTimestamp() is called and 1716 // numFramesPlayedAtUs is greater than nowUs by time more than numFramesPlayed. 1717 // (2) In case 3, using getPosition and adding mAudioSink->latency() to 1718 // numFramesPlayedAtUs, by a time amount greater than numFramesPlayed. 1719 // 1720 // Both of these are transitory conditions. 1721 ALOGV("getPlayedOutDurationUs: negative duration %lld set to zero", (long long)durationUs); 1722 durationUs = 0; 1723 } 1724 ALOGV("getPlayedOutDurationUs(%lld) nowUs(%lld) frames(%u) framesAt(%lld)", 1725 (long long)durationUs, (long long)nowUs, 1726 numFramesPlayed, (long long)numFramesPlayedAtUs); 1727 return durationUs; 1728} 1729 1730status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1731{ 1732 Mutex::Autolock lock(mLock); 1733 if (mTrack == 0) return NO_INIT; 1734 ExtendedTimestamp ets; 1735 status_t status = mTrack->getTimestamp(&ets); 1736 if (status == OK || status == WOULD_BLOCK) { 1737 *frameswritten = (uint32_t)ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT]; 1738 } 1739 return status; 1740} 1741 1742status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1743{ 1744 Mutex::Autolock lock(mLock); 1745 if (mTrack == 0) return NO_INIT; 1746 return mTrack->setParameters(keyValuePairs); 1747} 1748 1749String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1750{ 1751 Mutex::Autolock lock(mLock); 1752 if (mTrack == 0) return String8::empty(); 1753 return mTrack->getParameters(keys); 1754} 1755 1756void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1757 Mutex::Autolock lock(mLock); 1758 if (attributes == NULL) { 1759 free(mAttributes); 1760 mAttributes = NULL; 1761 } else { 1762 if (mAttributes == NULL) { 1763 mAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1764 } 1765 memcpy(mAttributes, attributes, sizeof(audio_attributes_t)); 1766 mStreamType = audio_attributes_to_stream_type(attributes); 1767 } 1768} 1769 1770void MediaPlayerService::AudioOutput::setAudioStreamType(audio_stream_type_t streamType) 1771{ 1772 Mutex::Autolock lock(mLock); 1773 // do not allow direct stream type modification if attributes have been set 1774 if (mAttributes == NULL) { 1775 mStreamType = streamType; 1776 } 1777} 1778 1779void MediaPlayerService::AudioOutput::deleteRecycledTrack_l() 1780{ 1781 ALOGV("deleteRecycledTrack_l"); 1782 if (mRecycledTrack != 0) { 1783 1784 if (mCallbackData != NULL) { 1785 mCallbackData->setOutput(NULL); 1786 mCallbackData->endTrackSwitch(); 1787 } 1788 1789 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1790 int32_t msec = 0; 1791 if (!mRecycledTrack->stopped()) { // check if active 1792 (void)mRecycledTrack->pendingDuration(&msec); 1793 } 1794 mRecycledTrack->stop(); // ensure full data drain 1795 ALOGD("deleting recycled track, waiting for data drain (%d msec)", msec); 1796 if (msec > 0) { 1797 static const int32_t WAIT_LIMIT_MS = 3000; 1798 if (msec > WAIT_LIMIT_MS) { 1799 msec = WAIT_LIMIT_MS; 1800 } 1801 usleep(msec * 1000LL); 1802 } 1803 } 1804 // An offloaded track isn't flushed because the STREAM_END is reported 1805 // slightly prematurely to allow time for the gapless track switch 1806 // but this means that if we decide not to recycle the track there 1807 // could be a small amount of residual data still playing. We leave 1808 // AudioFlinger to drain the track. 1809 1810 mRecycledTrack.clear(); 1811 close_l(); 1812 delete mCallbackData; 1813 mCallbackData = NULL; 1814 } 1815} 1816 1817void MediaPlayerService::AudioOutput::close_l() 1818{ 1819 mTrack.clear(); 1820} 1821 1822status_t MediaPlayerService::AudioOutput::open( 1823 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1824 audio_format_t format, int bufferCount, 1825 AudioCallback cb, void *cookie, 1826 audio_output_flags_t flags, 1827 const audio_offload_info_t *offloadInfo, 1828 bool doNotReconnect, 1829 uint32_t suggestedFrameCount) 1830{ 1831 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1832 format, bufferCount, mSessionId, flags); 1833 1834 // offloading is only supported in callback mode for now. 1835 // offloadInfo must be present if offload flag is set 1836 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1837 ((cb == NULL) || (offloadInfo == NULL))) { 1838 return BAD_VALUE; 1839 } 1840 1841 // compute frame count for the AudioTrack internal buffer 1842 size_t frameCount; 1843 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1844 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1845 } else { 1846 // try to estimate the buffer processing fetch size from AudioFlinger. 1847 // framesPerBuffer is approximate and generally correct, except when it's not :-). 1848 uint32_t afSampleRate; 1849 size_t afFrameCount; 1850 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1851 return NO_INIT; 1852 } 1853 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1854 return NO_INIT; 1855 } 1856 const size_t framesPerBuffer = 1857 (unsigned long long)sampleRate * afFrameCount / afSampleRate; 1858 1859 if (bufferCount == 0) { 1860 // use suggestedFrameCount 1861 bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer; 1862 } 1863 // Check argument bufferCount against the mininum buffer count 1864 if (bufferCount != 0 && bufferCount < mMinBufferCount) { 1865 ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount); 1866 bufferCount = mMinBufferCount; 1867 } 1868 // if frameCount is 0, then AudioTrack will get frame count from AudioFlinger 1869 // which will be the minimum size permitted. 1870 frameCount = bufferCount * framesPerBuffer; 1871 } 1872 1873 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1874 channelMask = audio_channel_out_mask_from_count(channelCount); 1875 if (0 == channelMask) { 1876 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1877 return NO_INIT; 1878 } 1879 } 1880 1881 Mutex::Autolock lock(mLock); 1882 mCallback = cb; 1883 mCallbackCookie = cookie; 1884 1885 // Check whether we can recycle the track 1886 bool reuse = false; 1887 bool bothOffloaded = false; 1888 1889 if (mRecycledTrack != 0) { 1890 // check whether we are switching between two offloaded tracks 1891 bothOffloaded = (flags & mRecycledTrack->getFlags() 1892 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1893 1894 // check if the existing track can be reused as-is, or if a new track needs to be created. 1895 reuse = true; 1896 1897 if ((mCallbackData == NULL && mCallback != NULL) || 1898 (mCallbackData != NULL && mCallback == NULL)) { 1899 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1900 ALOGV("can't chain callback and write"); 1901 reuse = false; 1902 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1903 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1904 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1905 mRecycledTrack->getSampleRate(), sampleRate, 1906 mRecycledTrack->channelCount(), channelCount); 1907 reuse = false; 1908 } else if (flags != mFlags) { 1909 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1910 reuse = false; 1911 } else if (mRecycledTrack->format() != format) { 1912 reuse = false; 1913 } 1914 } else { 1915 ALOGV("no track available to recycle"); 1916 } 1917 1918 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1919 1920 // If we can't recycle and both tracks are offloaded 1921 // we must close the previous output before opening a new one 1922 if (bothOffloaded && !reuse) { 1923 ALOGV("both offloaded and not recycling"); 1924 deleteRecycledTrack_l(); 1925 } 1926 1927 sp<AudioTrack> t; 1928 CallbackData *newcbd = NULL; 1929 1930 // We don't attempt to create a new track if we are recycling an 1931 // offloaded track. But, if we are recycling a non-offloaded or we 1932 // are switching where one is offloaded and one isn't then we create 1933 // the new track in advance so that we can read additional stream info 1934 1935 if (!(reuse && bothOffloaded)) { 1936 ALOGV("creating new AudioTrack"); 1937 1938 if (mCallback != NULL) { 1939 newcbd = new CallbackData(this); 1940 t = new AudioTrack( 1941 mStreamType, 1942 sampleRate, 1943 format, 1944 channelMask, 1945 frameCount, 1946 flags, 1947 CallbackWrapper, 1948 newcbd, 1949 0, // notification frames 1950 mSessionId, 1951 AudioTrack::TRANSFER_CALLBACK, 1952 offloadInfo, 1953 mUid, 1954 mPid, 1955 mAttributes, 1956 doNotReconnect); 1957 } else { 1958 // TODO: Due to buffer memory concerns, we use a max target playback speed 1959 // based on mPlaybackRate at the time of open (instead of kMaxRequiredSpeed), 1960 // also clamping the target speed to 1.0 <= targetSpeed <= kMaxRequiredSpeed. 1961 const float targetSpeed = 1962 std::min(std::max(mPlaybackRate.mSpeed, 1.0f), kMaxRequiredSpeed); 1963 ALOGW_IF(targetSpeed != mPlaybackRate.mSpeed, 1964 "track target speed:%f clamped from playback speed:%f", 1965 targetSpeed, mPlaybackRate.mSpeed); 1966 t = new AudioTrack( 1967 mStreamType, 1968 sampleRate, 1969 format, 1970 channelMask, 1971 frameCount, 1972 flags, 1973 NULL, // callback 1974 NULL, // user data 1975 0, // notification frames 1976 mSessionId, 1977 AudioTrack::TRANSFER_DEFAULT, 1978 NULL, // offload info 1979 mUid, 1980 mPid, 1981 mAttributes, 1982 doNotReconnect, 1983 targetSpeed); 1984 } 1985 1986 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1987 ALOGE("Unable to create audio track"); 1988 delete newcbd; 1989 // t goes out of scope, so reference count drops to zero 1990 return NO_INIT; 1991 } else { 1992 // successful AudioTrack initialization implies a legacy stream type was generated 1993 // from the audio attributes 1994 mStreamType = t->streamType(); 1995 } 1996 } 1997 1998 if (reuse) { 1999 CHECK(mRecycledTrack != NULL); 2000 2001 if (!bothOffloaded) { 2002 if (mRecycledTrack->frameCount() != t->frameCount()) { 2003 ALOGV("framecount differs: %zu/%zu frames", 2004 mRecycledTrack->frameCount(), t->frameCount()); 2005 reuse = false; 2006 } 2007 } 2008 2009 if (reuse) { 2010 ALOGV("chaining to next output and recycling track"); 2011 close_l(); 2012 mTrack = mRecycledTrack; 2013 mRecycledTrack.clear(); 2014 if (mCallbackData != NULL) { 2015 mCallbackData->setOutput(this); 2016 } 2017 delete newcbd; 2018 return updateTrack(); 2019 } 2020 } 2021 2022 // we're not going to reuse the track, unblock and flush it 2023 // this was done earlier if both tracks are offloaded 2024 if (!bothOffloaded) { 2025 deleteRecycledTrack_l(); 2026 } 2027 2028 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 2029 2030 mCallbackData = newcbd; 2031 ALOGV("setVolume"); 2032 t->setVolume(mLeftVolume, mRightVolume); 2033 2034 // Dispatch any queued VolumeShapers when the track was not open. 2035 mVolumeHandler->forall([&t](const sp<VolumeShaper::Configuration> &configuration, 2036 const sp<VolumeShaper::Operation> &operation) -> VolumeShaper::Status { 2037 return t->applyVolumeShaper(configuration, operation); 2038 }); 2039 mVolumeHandler->reset(); // After dispatching, clear VolumeShaper queue. 2040 2041 mSampleRateHz = sampleRate; 2042 mFlags = flags; 2043 mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate); 2044 mFrameSize = t->frameSize(); 2045 mTrack = t; 2046 2047 return updateTrack(); 2048} 2049 2050status_t MediaPlayerService::AudioOutput::updateTrack() { 2051 if (mTrack == NULL) { 2052 return NO_ERROR; 2053 } 2054 2055 status_t res = NO_ERROR; 2056 // Note some output devices may give us a direct track even though we don't specify it. 2057 // Example: Line application b/17459982. 2058 if ((mTrack->getFlags() 2059 & (AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD | AUDIO_OUTPUT_FLAG_DIRECT)) == 0) { 2060 res = mTrack->setPlaybackRate(mPlaybackRate); 2061 if (res == NO_ERROR) { 2062 mTrack->setAuxEffectSendLevel(mSendLevel); 2063 res = mTrack->attachAuxEffect(mAuxEffectId); 2064 } 2065 } 2066 ALOGV("updateTrack() DONE status %d", res); 2067 return res; 2068} 2069 2070status_t MediaPlayerService::AudioOutput::start() 2071{ 2072 ALOGV("start"); 2073 Mutex::Autolock lock(mLock); 2074 if (mCallbackData != NULL) { 2075 mCallbackData->endTrackSwitch(); 2076 } 2077 if (mTrack != 0) { 2078 mTrack->setVolume(mLeftVolume, mRightVolume); 2079 mTrack->setAuxEffectSendLevel(mSendLevel); 2080 return mTrack->start(); 2081 } 2082 return NO_INIT; 2083} 2084 2085void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 2086 Mutex::Autolock lock(mLock); 2087 mNextOutput = nextOutput; 2088} 2089 2090void MediaPlayerService::AudioOutput::switchToNextOutput() { 2091 ALOGV("switchToNextOutput"); 2092 2093 // Try to acquire the callback lock before moving track (without incurring deadlock). 2094 const unsigned kMaxSwitchTries = 100; 2095 Mutex::Autolock lock(mLock); 2096 for (unsigned tries = 0;;) { 2097 if (mTrack == 0) { 2098 return; 2099 } 2100 if (mNextOutput != NULL && mNextOutput != this) { 2101 if (mCallbackData != NULL) { 2102 // two alternative approaches 2103#if 1 2104 CallbackData *callbackData = mCallbackData; 2105 mLock.unlock(); 2106 // proper acquisition sequence 2107 callbackData->lock(); 2108 mLock.lock(); 2109 // Caution: it is unlikely that someone deleted our callback or changed our target 2110 if (callbackData != mCallbackData || mNextOutput == NULL || mNextOutput == this) { 2111 // fatal if we are starved out. 2112 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2113 "switchToNextOutput() cannot obtain correct lock sequence"); 2114 callbackData->unlock(); 2115 continue; 2116 } 2117 callbackData->mSwitching = true; // begin track switch 2118 callbackData->setOutput(NULL); 2119#else 2120 // tryBeginTrackSwitch() returns false if the callback has the lock. 2121 if (!mCallbackData->tryBeginTrackSwitch()) { 2122 // fatal if we are starved out. 2123 LOG_ALWAYS_FATAL_IF(++tries > kMaxSwitchTries, 2124 "switchToNextOutput() cannot obtain callback lock"); 2125 mLock.unlock(); 2126 usleep(5 * 1000 /* usec */); // allow callback to use AudioOutput 2127 mLock.lock(); 2128 continue; 2129 } 2130#endif 2131 } 2132 2133 Mutex::Autolock nextLock(mNextOutput->mLock); 2134 2135 // If the next output track is not NULL, then it has been 2136 // opened already for playback. 2137 // This is possible even without the next player being started, 2138 // for example, the next player could be prepared and seeked. 2139 // 2140 // Presuming it isn't advisable to force the track over. 2141 if (mNextOutput->mTrack == NULL) { 2142 ALOGD("Recycling track for gapless playback"); 2143 delete mNextOutput->mCallbackData; 2144 mNextOutput->mCallbackData = mCallbackData; 2145 mNextOutput->mRecycledTrack = mTrack; 2146 mNextOutput->mSampleRateHz = mSampleRateHz; 2147 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 2148 mNextOutput->mFlags = mFlags; 2149 mNextOutput->mFrameSize = mFrameSize; 2150 close_l(); 2151 mCallbackData = NULL; // destruction handled by mNextOutput 2152 } else { 2153 ALOGW("Ignoring gapless playback because next player has already started"); 2154 // remove track in case resource needed for future players. 2155 if (mCallbackData != NULL) { 2156 mCallbackData->endTrackSwitch(); // release lock for callbacks before close. 2157 } 2158 close_l(); 2159 } 2160 } 2161 break; 2162 } 2163} 2164 2165ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) 2166{ 2167 Mutex::Autolock lock(mLock); 2168 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 2169 2170 //ALOGV("write(%p, %u)", buffer, size); 2171 if (mTrack != 0) { 2172 return mTrack->write(buffer, size, blocking); 2173 } 2174 return NO_INIT; 2175} 2176 2177void MediaPlayerService::AudioOutput::stop() 2178{ 2179 ALOGV("stop"); 2180 Mutex::Autolock lock(mLock); 2181 if (mTrack != 0) mTrack->stop(); 2182} 2183 2184void MediaPlayerService::AudioOutput::flush() 2185{ 2186 ALOGV("flush"); 2187 Mutex::Autolock lock(mLock); 2188 if (mTrack != 0) mTrack->flush(); 2189} 2190 2191void MediaPlayerService::AudioOutput::pause() 2192{ 2193 ALOGV("pause"); 2194 Mutex::Autolock lock(mLock); 2195 if (mTrack != 0) mTrack->pause(); 2196} 2197 2198void MediaPlayerService::AudioOutput::close() 2199{ 2200 ALOGV("close"); 2201 sp<AudioTrack> track; 2202 { 2203 Mutex::Autolock lock(mLock); 2204 track = mTrack; 2205 close_l(); // clears mTrack 2206 } 2207 // destruction of the track occurs outside of mutex. 2208} 2209 2210void MediaPlayerService::AudioOutput::setVolume(float left, float right) 2211{ 2212 ALOGV("setVolume(%f, %f)", left, right); 2213 Mutex::Autolock lock(mLock); 2214 mLeftVolume = left; 2215 mRightVolume = right; 2216 if (mTrack != 0) { 2217 mTrack->setVolume(left, right); 2218 } 2219} 2220 2221status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate) 2222{ 2223 ALOGV("setPlaybackRate(%f %f %d %d)", 2224 rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 2225 Mutex::Autolock lock(mLock); 2226 if (mTrack == 0) { 2227 // remember rate so that we can set it when the track is opened 2228 mPlaybackRate = rate; 2229 return OK; 2230 } 2231 status_t res = mTrack->setPlaybackRate(rate); 2232 if (res != NO_ERROR) { 2233 return res; 2234 } 2235 // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded 2236 CHECK_GT(rate.mSpeed, 0.f); 2237 mPlaybackRate = rate; 2238 if (mSampleRateHz != 0) { 2239 mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz); 2240 } 2241 return res; 2242} 2243 2244status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate) 2245{ 2246 ALOGV("setPlaybackRate"); 2247 Mutex::Autolock lock(mLock); 2248 if (mTrack == 0) { 2249 return NO_INIT; 2250 } 2251 *rate = mTrack->getPlaybackRate(); 2252 return NO_ERROR; 2253} 2254 2255status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 2256{ 2257 ALOGV("setAuxEffectSendLevel(%f)", level); 2258 Mutex::Autolock lock(mLock); 2259 mSendLevel = level; 2260 if (mTrack != 0) { 2261 return mTrack->setAuxEffectSendLevel(level); 2262 } 2263 return NO_ERROR; 2264} 2265 2266status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 2267{ 2268 ALOGV("attachAuxEffect(%d)", effectId); 2269 Mutex::Autolock lock(mLock); 2270 mAuxEffectId = effectId; 2271 if (mTrack != 0) { 2272 return mTrack->attachAuxEffect(effectId); 2273 } 2274 return NO_ERROR; 2275} 2276 2277VolumeShaper::Status MediaPlayerService::AudioOutput::applyVolumeShaper( 2278 const sp<VolumeShaper::Configuration>& configuration, 2279 const sp<VolumeShaper::Operation>& operation) 2280{ 2281 Mutex::Autolock lock(mLock); 2282 ALOGV("AudioOutput::applyVolumeShaper"); 2283 2284 // We take ownership of the VolumeShaper if set before the track is created. 2285 mVolumeHandler->setIdIfNecessary(configuration); 2286 if (mTrack != 0) { 2287 return mTrack->applyVolumeShaper(configuration, operation); 2288 } else { 2289 return mVolumeHandler->applyVolumeShaper(configuration, operation); 2290 } 2291} 2292 2293sp<VolumeShaper::State> MediaPlayerService::AudioOutput::getVolumeShaperState(int id) 2294{ 2295 Mutex::Autolock lock(mLock); 2296 if (mTrack != 0) { 2297 return mTrack->getVolumeShaperState(id); 2298 } else { 2299 return mVolumeHandler->getVolumeShaperState(id); 2300 } 2301} 2302 2303// static 2304void MediaPlayerService::AudioOutput::CallbackWrapper( 2305 int event, void *cookie, void *info) { 2306 //ALOGV("callbackwrapper"); 2307 CallbackData *data = (CallbackData*)cookie; 2308 // lock to ensure we aren't caught in the middle of a track switch. 2309 data->lock(); 2310 AudioOutput *me = data->getOutput(); 2311 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 2312 if (me == NULL) { 2313 // no output set, likely because the track was scheduled to be reused 2314 // by another player, but the format turned out to be incompatible. 2315 data->unlock(); 2316 if (buffer != NULL) { 2317 buffer->size = 0; 2318 } 2319 return; 2320 } 2321 2322 switch(event) { 2323 case AudioTrack::EVENT_MORE_DATA: { 2324 size_t actualSize = (*me->mCallback)( 2325 me, buffer->raw, buffer->size, me->mCallbackCookie, 2326 CB_EVENT_FILL_BUFFER); 2327 2328 // Log when no data is returned from the callback. 2329 // (1) We may have no data (especially with network streaming sources). 2330 // (2) We may have reached the EOS and the audio track is not stopped yet. 2331 // Note that AwesomePlayer/AudioPlayer will only return zero size when it reaches the EOS. 2332 // NuPlayerRenderer will return zero when it doesn't have data (it doesn't block to fill). 2333 // 2334 // This is a benign busy-wait, with the next data request generated 10 ms or more later; 2335 // nevertheless for power reasons, we don't want to see too many of these. 2336 2337 ALOGV_IF(actualSize == 0 && buffer->size > 0, "callbackwrapper: empty buffer returned"); 2338 2339 buffer->size = actualSize; 2340 } break; 2341 2342 case AudioTrack::EVENT_STREAM_END: 2343 // currently only occurs for offloaded callbacks 2344 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 2345 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2346 me->mCallbackCookie, CB_EVENT_STREAM_END); 2347 break; 2348 2349 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 2350 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 2351 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 2352 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 2353 break; 2354 2355 case AudioTrack::EVENT_UNDERRUN: 2356 // This occurs when there is no data available, typically 2357 // when there is a failure to supply data to the AudioTrack. It can also 2358 // occur in non-offloaded mode when the audio device comes out of standby. 2359 // 2360 // If an AudioTrack underruns it outputs silence. Since this happens suddenly 2361 // it may sound like an audible pop or glitch. 2362 // 2363 // The underrun event is sent once per track underrun; the condition is reset 2364 // when more data is sent to the AudioTrack. 2365 ALOGD("callbackwrapper: EVENT_UNDERRUN (discarded)"); 2366 break; 2367 2368 default: 2369 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 2370 } 2371 2372 data->unlock(); 2373} 2374 2375audio_session_t MediaPlayerService::AudioOutput::getSessionId() const 2376{ 2377 Mutex::Autolock lock(mLock); 2378 return mSessionId; 2379} 2380 2381uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 2382{ 2383 Mutex::Autolock lock(mLock); 2384 if (mTrack == 0) return 0; 2385 return mTrack->getSampleRate(); 2386} 2387 2388int64_t MediaPlayerService::AudioOutput::getBufferDurationInUs() const 2389{ 2390 Mutex::Autolock lock(mLock); 2391 if (mTrack == 0) { 2392 return 0; 2393 } 2394 int64_t duration; 2395 if (mTrack->getBufferDurationInUs(&duration) != OK) { 2396 return 0; 2397 } 2398 return duration; 2399} 2400 2401//////////////////////////////////////////////////////////////////////////////// 2402 2403struct CallbackThread : public Thread { 2404 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 2405 MediaPlayerBase::AudioSink::AudioCallback cb, 2406 void *cookie); 2407 2408protected: 2409 virtual ~CallbackThread(); 2410 2411 virtual bool threadLoop(); 2412 2413private: 2414 wp<MediaPlayerBase::AudioSink> mSink; 2415 MediaPlayerBase::AudioSink::AudioCallback mCallback; 2416 void *mCookie; 2417 void *mBuffer; 2418 size_t mBufferSize; 2419 2420 CallbackThread(const CallbackThread &); 2421 CallbackThread &operator=(const CallbackThread &); 2422}; 2423 2424CallbackThread::CallbackThread( 2425 const wp<MediaPlayerBase::AudioSink> &sink, 2426 MediaPlayerBase::AudioSink::AudioCallback cb, 2427 void *cookie) 2428 : mSink(sink), 2429 mCallback(cb), 2430 mCookie(cookie), 2431 mBuffer(NULL), 2432 mBufferSize(0) { 2433} 2434 2435CallbackThread::~CallbackThread() { 2436 if (mBuffer) { 2437 free(mBuffer); 2438 mBuffer = NULL; 2439 } 2440} 2441 2442bool CallbackThread::threadLoop() { 2443 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 2444 if (sink == NULL) { 2445 return false; 2446 } 2447 2448 if (mBuffer == NULL) { 2449 mBufferSize = sink->bufferSize(); 2450 mBuffer = malloc(mBufferSize); 2451 } 2452 2453 size_t actualSize = 2454 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 2455 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 2456 2457 if (actualSize > 0) { 2458 sink->write(mBuffer, actualSize); 2459 // Could return false on sink->write() error or short count. 2460 // Not necessarily appropriate but would work for AudioCache behavior. 2461 } 2462 2463 return true; 2464} 2465 2466//////////////////////////////////////////////////////////////////////////////// 2467 2468void MediaPlayerService::addBatteryData(uint32_t params) 2469{ 2470 Mutex::Autolock lock(mLock); 2471 2472 int32_t time = systemTime() / 1000000L; 2473 2474 // change audio output devices. This notification comes from AudioFlinger 2475 if ((params & kBatteryDataSpeakerOn) 2476 || (params & kBatteryDataOtherAudioDeviceOn)) { 2477 2478 int deviceOn[NUM_AUDIO_DEVICES]; 2479 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2480 deviceOn[i] = 0; 2481 } 2482 2483 if ((params & kBatteryDataSpeakerOn) 2484 && (params & kBatteryDataOtherAudioDeviceOn)) { 2485 deviceOn[SPEAKER_AND_OTHER] = 1; 2486 } else if (params & kBatteryDataSpeakerOn) { 2487 deviceOn[SPEAKER] = 1; 2488 } else { 2489 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2490 } 2491 2492 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2493 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2494 2495 if (mBatteryAudio.refCount > 0) { // if playing audio 2496 if (!deviceOn[i]) { 2497 mBatteryAudio.lastTime[i] += time; 2498 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2499 mBatteryAudio.lastTime[i] = 0; 2500 } else { 2501 mBatteryAudio.lastTime[i] = 0 - time; 2502 } 2503 } 2504 2505 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2506 } 2507 } 2508 return; 2509 } 2510 2511 // an audio stream is started 2512 if (params & kBatteryDataAudioFlingerStart) { 2513 // record the start time only if currently no other audio 2514 // is being played 2515 if (mBatteryAudio.refCount == 0) { 2516 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2517 if (mBatteryAudio.deviceOn[i]) { 2518 mBatteryAudio.lastTime[i] -= time; 2519 } 2520 } 2521 } 2522 2523 mBatteryAudio.refCount ++; 2524 return; 2525 2526 } else if (params & kBatteryDataAudioFlingerStop) { 2527 if (mBatteryAudio.refCount <= 0) { 2528 ALOGW("Battery track warning: refCount is <= 0"); 2529 return; 2530 } 2531 2532 // record the stop time only if currently this is the only 2533 // audio being played 2534 if (mBatteryAudio.refCount == 1) { 2535 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2536 if (mBatteryAudio.deviceOn[i]) { 2537 mBatteryAudio.lastTime[i] += time; 2538 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2539 mBatteryAudio.lastTime[i] = 0; 2540 } 2541 } 2542 } 2543 2544 mBatteryAudio.refCount --; 2545 return; 2546 } 2547 2548 uid_t uid = IPCThreadState::self()->getCallingUid(); 2549 if (uid == AID_MEDIA) { 2550 return; 2551 } 2552 int index = mBatteryData.indexOfKey(uid); 2553 2554 if (index < 0) { // create a new entry for this UID 2555 BatteryUsageInfo info; 2556 info.audioTotalTime = 0; 2557 info.videoTotalTime = 0; 2558 info.audioLastTime = 0; 2559 info.videoLastTime = 0; 2560 info.refCount = 0; 2561 2562 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2563 ALOGE("Battery track error: no memory for new app"); 2564 return; 2565 } 2566 } 2567 2568 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2569 2570 if (params & kBatteryDataCodecStarted) { 2571 if (params & kBatteryDataTrackAudio) { 2572 info.audioLastTime -= time; 2573 info.refCount ++; 2574 } 2575 if (params & kBatteryDataTrackVideo) { 2576 info.videoLastTime -= time; 2577 info.refCount ++; 2578 } 2579 } else { 2580 if (info.refCount == 0) { 2581 ALOGW("Battery track warning: refCount is already 0"); 2582 return; 2583 } else if (info.refCount < 0) { 2584 ALOGE("Battery track error: refCount < 0"); 2585 mBatteryData.removeItem(uid); 2586 return; 2587 } 2588 2589 if (params & kBatteryDataTrackAudio) { 2590 info.audioLastTime += time; 2591 info.refCount --; 2592 } 2593 if (params & kBatteryDataTrackVideo) { 2594 info.videoLastTime += time; 2595 info.refCount --; 2596 } 2597 2598 // no stream is being played by this UID 2599 if (info.refCount == 0) { 2600 info.audioTotalTime += info.audioLastTime; 2601 info.audioLastTime = 0; 2602 info.videoTotalTime += info.videoLastTime; 2603 info.videoLastTime = 0; 2604 } 2605 } 2606} 2607 2608status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2609 Mutex::Autolock lock(mLock); 2610 2611 // audio output devices usage 2612 int32_t time = systemTime() / 1000000L; //in ms 2613 int32_t totalTime; 2614 2615 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2616 totalTime = mBatteryAudio.totalTime[i]; 2617 2618 if (mBatteryAudio.deviceOn[i] 2619 && (mBatteryAudio.lastTime[i] != 0)) { 2620 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2621 totalTime += tmpTime; 2622 } 2623 2624 reply->writeInt32(totalTime); 2625 // reset the total time 2626 mBatteryAudio.totalTime[i] = 0; 2627 } 2628 2629 // codec usage 2630 BatteryUsageInfo info; 2631 int size = mBatteryData.size(); 2632 2633 reply->writeInt32(size); 2634 int i = 0; 2635 2636 while (i < size) { 2637 info = mBatteryData.valueAt(i); 2638 2639 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2640 reply->writeInt32(info.audioTotalTime); 2641 reply->writeInt32(info.videoTotalTime); 2642 2643 info.audioTotalTime = 0; 2644 info.videoTotalTime = 0; 2645 2646 // remove the UID entry where no stream is being played 2647 if (info.refCount <= 0) { 2648 mBatteryData.removeItemsAt(i); 2649 size --; 2650 i --; 2651 } 2652 i++; 2653 } 2654 return NO_ERROR; 2655} 2656} // namespace android 2657