MediaPlayerService.cpp revision 5fde15db465775d5c607cf069752e2e075f8fc6d
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/IBatteryStats.h> 38#include <binder/IPCThreadState.h> 39#include <binder/IServiceManager.h> 40#include <binder/MemoryHeapBase.h> 41#include <binder/MemoryBase.h> 42#include <gui/Surface.h> 43#include <utils/Errors.h> // for status_t 44#include <utils/String8.h> 45#include <utils/SystemClock.h> 46#include <utils/Timers.h> 47#include <utils/Vector.h> 48 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/AudioPlayer.h> 61#include <media/stagefright/foundation/ADebug.h> 62#include <media/stagefright/foundation/ALooperRoster.h> 63 64#include <system/audio.h> 65 66#include <private/android_filesystem_config.h> 67 68#include "ActivityManager.h" 69#include "MediaRecorderClient.h" 70#include "MediaPlayerService.h" 71#include "MetadataRetrieverClient.h" 72#include "MediaPlayerFactory.h" 73 74#include "TestPlayerStub.h" 75#include "StagefrightPlayer.h" 76#include "nuplayer/NuPlayerDriver.h" 77 78#include <OMX.h> 79 80#include "Crypto.h" 81#include "Drm.h" 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 97// FIXME: Move all the metadata related function in the Metadata.cpp 98 99 100// Unmarshall a filter from a Parcel. 101// Filter format in a parcel: 102// 103// 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 1 104// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 105// | number of entries (n) | 106// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107// | metadata type 1 | 108// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 109// | metadata type 2 | 110// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 111// .... 112// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 113// | metadata type n | 114// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 115// 116// @param p Parcel that should start with a filter. 117// @param[out] filter On exit contains the list of metadata type to be 118// filtered. 119// @param[out] status On exit contains the status code to be returned. 120// @return true if the parcel starts with a valid filter. 121bool unmarshallFilter(const Parcel& p, 122 Metadata::Filter *filter, 123 status_t *status) 124{ 125 int32_t val; 126 if (p.readInt32(&val) != OK) 127 { 128 ALOGE("Failed to read filter's length"); 129 *status = NOT_ENOUGH_DATA; 130 return false; 131 } 132 133 if( val > kMaxFilterSize || val < 0) 134 { 135 ALOGE("Invalid filter len %d", val); 136 *status = BAD_VALUE; 137 return false; 138 } 139 140 const size_t num = val; 141 142 filter->clear(); 143 filter->setCapacity(num); 144 145 size_t size = num * sizeof(Metadata::Type); 146 147 148 if (p.dataAvail() < size) 149 { 150 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 151 *status = NOT_ENOUGH_DATA; 152 return false; 153 } 154 155 const Metadata::Type *data = 156 static_cast<const Metadata::Type*>(p.readInplace(size)); 157 158 if (NULL == data) 159 { 160 ALOGE("Filter had no data"); 161 *status = BAD_VALUE; 162 return false; 163 } 164 165 // TODO: The stl impl of vector would be more efficient here 166 // because it degenerates into a memcpy on pod types. Try to 167 // replace later or use stl::set. 168 for (size_t i = 0; i < num; ++i) 169 { 170 filter->add(*data); 171 ++data; 172 } 173 *status = OK; 174 return true; 175} 176 177// @param filter Of metadata type. 178// @param val To be searched. 179// @return true if a match was found. 180bool findMetadata(const Metadata::Filter& filter, const int32_t val) 181{ 182 // Deal with empty and ANY right away 183 if (filter.isEmpty()) return false; 184 if (filter[0] == Metadata::kAny) return true; 185 186 return filter.indexOf(val) >= 0; 187} 188 189} // anonymous namespace 190 191 192namespace { 193using android::Parcel; 194using android::String16; 195 196// marshalling tag indicating flattened utf16 tags 197// keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java 198const int32_t kAudioAttributesMarshallTagFlattenTags = 1; 199 200// Audio attributes format in a parcel: 201// 202// 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 1 203// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 204// | usage | 205// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 206// | content_type | 207// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 208// | source | 209// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 210// | flags | 211// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 212// | kAudioAttributesMarshallTagFlattenTags | // ignore tags if not found 213// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 214// | flattened tags in UTF16 | 215// | ... | 216// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 217// 218// @param p Parcel that contains audio attributes. 219// @param[out] attributes On exit points to an initialized audio_attributes_t structure 220// @param[out] status On exit contains the status code to be returned. 221void unmarshallAudioAttributes(const Parcel& parcel, audio_attributes_t *attributes) 222{ 223 attributes->usage = (audio_usage_t) parcel.readInt32(); 224 attributes->content_type = (audio_content_type_t) parcel.readInt32(); 225 attributes->source = (audio_source_t) parcel.readInt32(); 226 attributes->flags = (audio_flags_mask_t) parcel.readInt32(); 227 const bool hasFlattenedTag = (parcel.readInt32() == kAudioAttributesMarshallTagFlattenTags); 228 if (hasFlattenedTag) { 229 // the tags are UTF16, convert to UTF8 230 String16 tags = parcel.readString16(); 231 ssize_t realTagSize = utf16_to_utf8_length(tags.string(), tags.size()); 232 if (realTagSize <= 0) { 233 strcpy(attributes->tags, ""); 234 } else { 235 // copy the flattened string into the attributes as the destination for the conversion: 236 // copying array size -1, array for tags was calloc'd, no need to NULL-terminate it 237 size_t tagSize = realTagSize > AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 ? 238 AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 : realTagSize; 239 utf16_to_utf8(tags.string(), tagSize, attributes->tags); 240 } 241 } else { 242 ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values"); 243 strcpy(attributes->tags, ""); 244 } 245} 246} // anonymous namespace 247 248 249namespace android { 250 251extern ALooperRoster gLooperRoster; 252 253 254static bool checkPermission(const char* permissionString) { 255#ifndef HAVE_ANDROID_OS 256 return true; 257#endif 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 const sp<IServiceManager> sm(defaultServiceManager()); 291 if (sm != NULL) { 292 const String16 name("batterystats"); 293 // use checkService() to avoid blocking if service is not up yet 294 sp<IBatteryStats> batteryStats = 295 interface_cast<IBatteryStats>(sm->checkService(name)); 296 if (batteryStats != NULL) { 297 batteryStats->noteResetVideo(); 298 batteryStats->noteResetAudio(); 299 } 300 } 301 302 MediaPlayerFactory::registerBuiltinFactories(); 303} 304 305MediaPlayerService::~MediaPlayerService() 306{ 307 ALOGV("MediaPlayerService destroyed"); 308} 309 310sp<IMediaRecorder> MediaPlayerService::createMediaRecorder() 311{ 312 pid_t pid = IPCThreadState::self()->getCallingPid(); 313 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 314 wp<MediaRecorderClient> w = recorder; 315 Mutex::Autolock lock(mLock); 316 mMediaRecorderClients.add(w); 317 ALOGV("Create new media recorder client from pid %d", pid); 318 return recorder; 319} 320 321void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 322{ 323 Mutex::Autolock lock(mLock); 324 mMediaRecorderClients.remove(client); 325 ALOGV("Delete media recorder client"); 326} 327 328sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 329{ 330 pid_t pid = IPCThreadState::self()->getCallingPid(); 331 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 332 ALOGV("Create new media retriever from pid %d", pid); 333 return retriever; 334} 335 336sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 337 int audioSessionId) 338{ 339 pid_t pid = IPCThreadState::self()->getCallingPid(); 340 int32_t connId = android_atomic_inc(&mNextConnId); 341 342 sp<Client> c = new Client( 343 this, pid, connId, client, audioSessionId, 344 IPCThreadState::self()->getCallingUid()); 345 346 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 347 IPCThreadState::self()->getCallingUid()); 348 349 wp<Client> w = c; 350 { 351 Mutex::Autolock lock(mLock); 352 mClients.add(w); 353 } 354 return c; 355} 356 357sp<IMediaCodecList> MediaPlayerService::getCodecList() const { 358 return MediaCodecList::getLocalInstance(); 359} 360 361sp<IOMX> MediaPlayerService::getOMX() { 362 Mutex::Autolock autoLock(mLock); 363 364 if (mOMX.get() == NULL) { 365 mOMX = new OMX; 366 } 367 368 return mOMX; 369} 370 371sp<ICrypto> MediaPlayerService::makeCrypto() { 372 return new Crypto; 373} 374 375sp<IDrm> MediaPlayerService::makeDrm() { 376 return new Drm; 377} 378 379sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 380 return new HDCP(createEncryptionModule); 381} 382 383sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 384 const sp<IRemoteDisplayClient>& client, const String8& iface) { 385 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 386 return NULL; 387 } 388 389 return new RemoteDisplay(client, iface.string()); 390} 391 392status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 393{ 394 const size_t SIZE = 256; 395 char buffer[SIZE]; 396 String8 result; 397 398 result.append(" AudioOutput\n"); 399 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 400 mStreamType, mLeftVolume, mRightVolume); 401 result.append(buffer); 402 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 403 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 404 result.append(buffer); 405 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 406 mAuxEffectId, mSendLevel); 407 result.append(buffer); 408 409 ::write(fd, result.string(), result.size()); 410 if (mTrack != 0) { 411 mTrack->dump(fd, args); 412 } 413 return NO_ERROR; 414} 415 416status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) 417{ 418 const size_t SIZE = 256; 419 char buffer[SIZE]; 420 String8 result; 421 result.append(" Client\n"); 422 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 423 mPid, mConnId, mStatus, mLoop?"true": "false"); 424 result.append(buffer); 425 write(fd, result.string(), result.size()); 426 if (mPlayer != NULL) { 427 mPlayer->dump(fd, args); 428 } 429 if (mAudioOutput != 0) { 430 mAudioOutput->dump(fd, args); 431 } 432 write(fd, "\n", 1); 433 return NO_ERROR; 434} 435 436/** 437 * The only arguments this understands right now are -c, -von and -voff, 438 * which are parsed by ALooperRoster::dump() 439 */ 440status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 441{ 442 const size_t SIZE = 256; 443 char buffer[SIZE]; 444 String8 result; 445 SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction. 446 SortedVector< sp<MediaRecorderClient> > mediaRecorderClients; 447 448 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 449 snprintf(buffer, SIZE, "Permission Denial: " 450 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 451 IPCThreadState::self()->getCallingPid(), 452 IPCThreadState::self()->getCallingUid()); 453 result.append(buffer); 454 } else { 455 Mutex::Autolock lock(mLock); 456 for (int i = 0, n = mClients.size(); i < n; ++i) { 457 sp<Client> c = mClients[i].promote(); 458 if (c != 0) c->dump(fd, args); 459 clients.add(c); 460 } 461 if (mMediaRecorderClients.size() == 0) { 462 result.append(" No media recorder client\n\n"); 463 } else { 464 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 465 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 466 if (c != 0) { 467 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 468 result.append(buffer); 469 write(fd, result.string(), result.size()); 470 result = "\n"; 471 c->dump(fd, args); 472 mediaRecorderClients.add(c); 473 } 474 } 475 } 476 477 result.append(" Files opened and/or mapped:\n"); 478 snprintf(buffer, SIZE, "/proc/%d/maps", getpid()); 479 FILE *f = fopen(buffer, "r"); 480 if (f) { 481 while (!feof(f)) { 482 fgets(buffer, SIZE, f); 483 if (strstr(buffer, " /storage/") || 484 strstr(buffer, " /system/sounds/") || 485 strstr(buffer, " /data/") || 486 strstr(buffer, " /system/media/")) { 487 result.append(" "); 488 result.append(buffer); 489 } 490 } 491 fclose(f); 492 } else { 493 result.append("couldn't open "); 494 result.append(buffer); 495 result.append("\n"); 496 } 497 498 snprintf(buffer, SIZE, "/proc/%d/fd", getpid()); 499 DIR *d = opendir(buffer); 500 if (d) { 501 struct dirent *ent; 502 while((ent = readdir(d)) != NULL) { 503 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 504 snprintf(buffer, SIZE, "/proc/%d/fd/%s", getpid(), ent->d_name); 505 struct stat s; 506 if (lstat(buffer, &s) == 0) { 507 if ((s.st_mode & S_IFMT) == S_IFLNK) { 508 char linkto[256]; 509 int len = readlink(buffer, linkto, sizeof(linkto)); 510 if(len > 0) { 511 if(len > 255) { 512 linkto[252] = '.'; 513 linkto[253] = '.'; 514 linkto[254] = '.'; 515 linkto[255] = 0; 516 } else { 517 linkto[len] = 0; 518 } 519 if (strstr(linkto, "/storage/") == linkto || 520 strstr(linkto, "/system/sounds/") == linkto || 521 strstr(linkto, "/data/") == linkto || 522 strstr(linkto, "/system/media/") == linkto) { 523 result.append(" "); 524 result.append(buffer); 525 result.append(" -> "); 526 result.append(linkto); 527 result.append("\n"); 528 } 529 } 530 } else { 531 result.append(" unexpected type for "); 532 result.append(buffer); 533 result.append("\n"); 534 } 535 } 536 } 537 } 538 closedir(d); 539 } else { 540 result.append("couldn't open "); 541 result.append(buffer); 542 result.append("\n"); 543 } 544 545 gLooperRoster.dump(fd, args); 546 547 bool dumpMem = false; 548 for (size_t i = 0; i < args.size(); i++) { 549 if (args[i] == String16("-m")) { 550 dumpMem = true; 551 } 552 } 553 if (dumpMem) { 554 dumpMemoryAddresses(fd); 555 } 556 } 557 write(fd, result.string(), result.size()); 558 return NO_ERROR; 559} 560 561void MediaPlayerService::removeClient(wp<Client> client) 562{ 563 Mutex::Autolock lock(mLock); 564 mClients.remove(client); 565} 566 567MediaPlayerService::Client::Client( 568 const sp<MediaPlayerService>& service, pid_t pid, 569 int32_t connId, const sp<IMediaPlayerClient>& client, 570 int audioSessionId, uid_t uid) 571{ 572 ALOGV("Client(%d) constructor", connId); 573 mPid = pid; 574 mConnId = connId; 575 mService = service; 576 mClient = client; 577 mLoop = false; 578 mStatus = NO_INIT; 579 mAudioSessionId = audioSessionId; 580 mUID = uid; 581 mRetransmitEndpointValid = false; 582 mAudioAttributes = NULL; 583 584#if CALLBACK_ANTAGONIZER 585 ALOGD("create Antagonizer"); 586 mAntagonizer = new Antagonizer(notify, this); 587#endif 588} 589 590MediaPlayerService::Client::~Client() 591{ 592 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 593 mAudioOutput.clear(); 594 wp<Client> client(this); 595 disconnect(); 596 mService->removeClient(client); 597 if (mAudioAttributes != NULL) { 598 free(mAudioAttributes); 599 } 600} 601 602void MediaPlayerService::Client::disconnect() 603{ 604 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 605 // grab local reference and clear main reference to prevent future 606 // access to object 607 sp<MediaPlayerBase> p; 608 { 609 Mutex::Autolock l(mLock); 610 p = mPlayer; 611 mClient.clear(); 612 } 613 614 mPlayer.clear(); 615 616 // clear the notification to prevent callbacks to dead client 617 // and reset the player. We assume the player will serialize 618 // access to itself if necessary. 619 if (p != 0) { 620 p->setNotifyCallback(0, 0); 621#if CALLBACK_ANTAGONIZER 622 ALOGD("kill Antagonizer"); 623 mAntagonizer->kill(); 624#endif 625 p->reset(); 626 } 627 628 disconnectNativeWindow(); 629 630 IPCThreadState::self()->flushCommands(); 631} 632 633sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 634{ 635 // determine if we have the right player type 636 sp<MediaPlayerBase> p = mPlayer; 637 if ((p != NULL) && (p->playerType() != playerType)) { 638 ALOGV("delete player"); 639 p.clear(); 640 } 641 if (p == NULL) { 642 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 643 } 644 645 if (p != NULL) { 646 p->setUID(mUID); 647 } 648 649 return p; 650} 651 652sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 653 player_type playerType) 654{ 655 ALOGV("player type = %d", playerType); 656 657 // create the right type of player 658 sp<MediaPlayerBase> p = createPlayer(playerType); 659 if (p == NULL) { 660 return p; 661 } 662 663 if (!p->hardwareOutput()) { 664 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 665 mPid, mAudioAttributes); 666 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 667 } 668 669 return p; 670} 671 672void MediaPlayerService::Client::setDataSource_post( 673 const sp<MediaPlayerBase>& p, 674 status_t status) 675{ 676 ALOGV(" setDataSource"); 677 mStatus = status; 678 if (mStatus != OK) { 679 ALOGE(" error: %d", mStatus); 680 return; 681 } 682 683 // Set the re-transmission endpoint if one was chosen. 684 if (mRetransmitEndpointValid) { 685 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 686 if (mStatus != NO_ERROR) { 687 ALOGE("setRetransmitEndpoint error: %d", mStatus); 688 } 689 } 690 691 if (mStatus == OK) { 692 mPlayer = p; 693 } 694} 695 696status_t MediaPlayerService::Client::setDataSource( 697 const sp<IMediaHTTPService> &httpService, 698 const char *url, 699 const KeyedVector<String8, String8> *headers) 700{ 701 ALOGV("setDataSource(%s)", url); 702 if (url == NULL) 703 return UNKNOWN_ERROR; 704 705 if ((strncmp(url, "http://", 7) == 0) || 706 (strncmp(url, "https://", 8) == 0) || 707 (strncmp(url, "rtsp://", 7) == 0)) { 708 if (!checkPermission("android.permission.INTERNET")) { 709 return PERMISSION_DENIED; 710 } 711 } 712 713 if (strncmp(url, "content://", 10) == 0) { 714 // get a filedescriptor for the content Uri and 715 // pass it to the setDataSource(fd) method 716 717 String16 url16(url); 718 int fd = android::openContentProviderFile(url16); 719 if (fd < 0) 720 { 721 ALOGE("Couldn't open fd for %s", url); 722 return UNKNOWN_ERROR; 723 } 724 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 725 close(fd); 726 return mStatus; 727 } else { 728 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 729 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 730 if (p == NULL) { 731 return NO_INIT; 732 } 733 734 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 735 return mStatus; 736 } 737} 738 739status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 740{ 741 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 742 struct stat sb; 743 int ret = fstat(fd, &sb); 744 if (ret != 0) { 745 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 746 return UNKNOWN_ERROR; 747 } 748 749 ALOGV("st_dev = %llu", static_cast<uint64_t>(sb.st_dev)); 750 ALOGV("st_mode = %u", sb.st_mode); 751 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); 752 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); 753 ALOGV("st_size = %llu", sb.st_size); 754 755 if (offset >= sb.st_size) { 756 ALOGE("offset error"); 757 ::close(fd); 758 return UNKNOWN_ERROR; 759 } 760 if (offset + length > sb.st_size) { 761 length = sb.st_size - offset; 762 ALOGV("calculated length = %lld", length); 763 } 764 765 player_type playerType = MediaPlayerFactory::getPlayerType(this, 766 fd, 767 offset, 768 length); 769 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 770 if (p == NULL) { 771 return NO_INIT; 772 } 773 774 // now set data source 775 setDataSource_post(p, p->setDataSource(fd, offset, length)); 776 return mStatus; 777} 778 779status_t MediaPlayerService::Client::setDataSource( 780 const sp<IStreamSource> &source) { 781 // create the right type of player 782 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 783 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 784 if (p == NULL) { 785 return NO_INIT; 786 } 787 788 // now set data source 789 setDataSource_post(p, p->setDataSource(source)); 790 return mStatus; 791} 792 793status_t MediaPlayerService::Client::setDataSource( 794 const sp<IDataSource> &source) { 795 sp<DataSource> dataSource = DataSource::CreateFromIDataSource(source); 796 player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource); 797 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 798 if (p == NULL) { 799 return NO_INIT; 800 } 801 // now set data source 802 setDataSource_post(p, p->setDataSource(dataSource)); 803 return mStatus; 804} 805 806void MediaPlayerService::Client::disconnectNativeWindow() { 807 if (mConnectedWindow != NULL) { 808 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 809 NATIVE_WINDOW_API_MEDIA); 810 811 if (err != OK) { 812 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 813 strerror(-err), err); 814 } 815 } 816 mConnectedWindow.clear(); 817} 818 819status_t MediaPlayerService::Client::setVideoSurfaceTexture( 820 const sp<IGraphicBufferProducer>& bufferProducer) 821{ 822 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 823 sp<MediaPlayerBase> p = getPlayer(); 824 if (p == 0) return UNKNOWN_ERROR; 825 826 sp<IBinder> binder(IInterface::asBinder(bufferProducer)); 827 if (mConnectedWindowBinder == binder) { 828 return OK; 829 } 830 831 sp<ANativeWindow> anw; 832 if (bufferProducer != NULL) { 833 anw = new Surface(bufferProducer, true /* controlledByApp */); 834 status_t err = native_window_api_connect(anw.get(), 835 NATIVE_WINDOW_API_MEDIA); 836 837 if (err != OK) { 838 ALOGE("setVideoSurfaceTexture failed: %d", err); 839 // Note that we must do the reset before disconnecting from the ANW. 840 // Otherwise queue/dequeue calls could be made on the disconnected 841 // ANW, which may result in errors. 842 reset(); 843 844 disconnectNativeWindow(); 845 846 return err; 847 } 848 } 849 850 // Note that we must set the player's new GraphicBufferProducer before 851 // disconnecting the old one. Otherwise queue/dequeue calls could be made 852 // on the disconnected ANW, which may result in errors. 853 status_t err = p->setVideoSurfaceTexture(bufferProducer); 854 855 disconnectNativeWindow(); 856 857 mConnectedWindow = anw; 858 859 if (err == OK) { 860 mConnectedWindowBinder = binder; 861 } else { 862 disconnectNativeWindow(); 863 } 864 865 return err; 866} 867 868status_t MediaPlayerService::Client::invoke(const Parcel& request, 869 Parcel *reply) 870{ 871 sp<MediaPlayerBase> p = getPlayer(); 872 if (p == NULL) return UNKNOWN_ERROR; 873 return p->invoke(request, reply); 874} 875 876// This call doesn't need to access the native player. 877status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 878{ 879 status_t status; 880 media::Metadata::Filter allow, drop; 881 882 if (unmarshallFilter(filter, &allow, &status) && 883 unmarshallFilter(filter, &drop, &status)) { 884 Mutex::Autolock lock(mLock); 885 886 mMetadataAllow = allow; 887 mMetadataDrop = drop; 888 } 889 return status; 890} 891 892status_t MediaPlayerService::Client::getMetadata( 893 bool update_only, bool /*apply_filter*/, Parcel *reply) 894{ 895 sp<MediaPlayerBase> player = getPlayer(); 896 if (player == 0) return UNKNOWN_ERROR; 897 898 status_t status; 899 // Placeholder for the return code, updated by the caller. 900 reply->writeInt32(-1); 901 902 media::Metadata::Filter ids; 903 904 // We don't block notifications while we fetch the data. We clear 905 // mMetadataUpdated first so we don't lose notifications happening 906 // during the rest of this call. 907 { 908 Mutex::Autolock lock(mLock); 909 if (update_only) { 910 ids = mMetadataUpdated; 911 } 912 mMetadataUpdated.clear(); 913 } 914 915 media::Metadata metadata(reply); 916 917 metadata.appendHeader(); 918 status = player->getMetadata(ids, reply); 919 920 if (status != OK) { 921 metadata.resetParcel(); 922 ALOGE("getMetadata failed %d", status); 923 return status; 924 } 925 926 // FIXME: Implement filtering on the result. Not critical since 927 // filtering takes place on the update notifications already. This 928 // would be when all the metadata are fetch and a filter is set. 929 930 // Everything is fine, update the metadata length. 931 metadata.updateLength(); 932 return OK; 933} 934 935status_t MediaPlayerService::Client::prepareAsync() 936{ 937 ALOGV("[%d] prepareAsync", mConnId); 938 sp<MediaPlayerBase> p = getPlayer(); 939 if (p == 0) return UNKNOWN_ERROR; 940 status_t ret = p->prepareAsync(); 941#if CALLBACK_ANTAGONIZER 942 ALOGD("start Antagonizer"); 943 if (ret == NO_ERROR) mAntagonizer->start(); 944#endif 945 return ret; 946} 947 948status_t MediaPlayerService::Client::start() 949{ 950 ALOGV("[%d] start", mConnId); 951 sp<MediaPlayerBase> p = getPlayer(); 952 if (p == 0) return UNKNOWN_ERROR; 953 p->setLooping(mLoop); 954 return p->start(); 955} 956 957status_t MediaPlayerService::Client::stop() 958{ 959 ALOGV("[%d] stop", mConnId); 960 sp<MediaPlayerBase> p = getPlayer(); 961 if (p == 0) return UNKNOWN_ERROR; 962 return p->stop(); 963} 964 965status_t MediaPlayerService::Client::pause() 966{ 967 ALOGV("[%d] pause", mConnId); 968 sp<MediaPlayerBase> p = getPlayer(); 969 if (p == 0) return UNKNOWN_ERROR; 970 return p->pause(); 971} 972 973status_t MediaPlayerService::Client::isPlaying(bool* state) 974{ 975 *state = false; 976 sp<MediaPlayerBase> p = getPlayer(); 977 if (p == 0) return UNKNOWN_ERROR; 978 *state = p->isPlaying(); 979 ALOGV("[%d] isPlaying: %d", mConnId, *state); 980 return NO_ERROR; 981} 982 983status_t MediaPlayerService::Client::setPlaybackRate(float rate) 984{ 985 ALOGV("[%d] setPlaybackRate(%f)", mConnId, rate); 986 sp<MediaPlayerBase> p = getPlayer(); 987 if (p == 0) return UNKNOWN_ERROR; 988 return p->setPlaybackRate(rate); 989} 990 991status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 992{ 993 ALOGV("getCurrentPosition"); 994 sp<MediaPlayerBase> p = getPlayer(); 995 if (p == 0) return UNKNOWN_ERROR; 996 status_t ret = p->getCurrentPosition(msec); 997 if (ret == NO_ERROR) { 998 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 999 } else { 1000 ALOGE("getCurrentPosition returned %d", ret); 1001 } 1002 return ret; 1003} 1004 1005status_t MediaPlayerService::Client::getDuration(int *msec) 1006{ 1007 ALOGV("getDuration"); 1008 sp<MediaPlayerBase> p = getPlayer(); 1009 if (p == 0) return UNKNOWN_ERROR; 1010 status_t ret = p->getDuration(msec); 1011 if (ret == NO_ERROR) { 1012 ALOGV("[%d] getDuration = %d", mConnId, *msec); 1013 } else { 1014 ALOGE("getDuration returned %d", ret); 1015 } 1016 return ret; 1017} 1018 1019status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 1020 ALOGV("setNextPlayer"); 1021 Mutex::Autolock l(mLock); 1022 sp<Client> c = static_cast<Client*>(player.get()); 1023 mNextClient = c; 1024 1025 if (c != NULL) { 1026 if (mAudioOutput != NULL) { 1027 mAudioOutput->setNextOutput(c->mAudioOutput); 1028 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 1029 ALOGE("no current audio output"); 1030 } 1031 1032 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 1033 mPlayer->setNextPlayer(mNextClient->getPlayer()); 1034 } 1035 } 1036 1037 return OK; 1038} 1039 1040status_t MediaPlayerService::Client::seekTo(int msec) 1041{ 1042 ALOGV("[%d] seekTo(%d)", mConnId, msec); 1043 sp<MediaPlayerBase> p = getPlayer(); 1044 if (p == 0) return UNKNOWN_ERROR; 1045 return p->seekTo(msec); 1046} 1047 1048status_t MediaPlayerService::Client::reset() 1049{ 1050 ALOGV("[%d] reset", mConnId); 1051 mRetransmitEndpointValid = false; 1052 sp<MediaPlayerBase> p = getPlayer(); 1053 if (p == 0) return UNKNOWN_ERROR; 1054 return p->reset(); 1055} 1056 1057status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 1058{ 1059 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1060 // TODO: for hardware output, call player instead 1061 Mutex::Autolock l(mLock); 1062 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1063 return NO_ERROR; 1064} 1065 1066status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) 1067{ 1068 if (mAudioAttributes != NULL) { free(mAudioAttributes); } 1069 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1070 unmarshallAudioAttributes(parcel, mAudioAttributes); 1071 1072 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", 1073 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, 1074 mAudioAttributes->tags); 1075 1076 if (mAudioOutput != 0) { 1077 mAudioOutput->setAudioAttributes(mAudioAttributes); 1078 } 1079 return NO_ERROR; 1080} 1081 1082status_t MediaPlayerService::Client::setLooping(int loop) 1083{ 1084 ALOGV("[%d] setLooping(%d)", mConnId, loop); 1085 mLoop = loop; 1086 sp<MediaPlayerBase> p = getPlayer(); 1087 if (p != 0) return p->setLooping(loop); 1088 return NO_ERROR; 1089} 1090 1091status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1092{ 1093 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1094 1095 // for hardware output, call player instead 1096 sp<MediaPlayerBase> p = getPlayer(); 1097 { 1098 Mutex::Autolock l(mLock); 1099 if (p != 0 && p->hardwareOutput()) { 1100 MediaPlayerHWInterface* hwp = 1101 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1102 return hwp->setVolume(leftVolume, rightVolume); 1103 } else { 1104 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1105 return NO_ERROR; 1106 } 1107 } 1108 1109 return NO_ERROR; 1110} 1111 1112status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1113{ 1114 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1115 Mutex::Autolock l(mLock); 1116 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1117 return NO_ERROR; 1118} 1119 1120status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1121{ 1122 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1123 Mutex::Autolock l(mLock); 1124 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1125 return NO_ERROR; 1126} 1127 1128status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1129 ALOGV("[%d] setParameter(%d)", mConnId, key); 1130 switch (key) { 1131 case KEY_PARAMETER_AUDIO_ATTRIBUTES: 1132 { 1133 Mutex::Autolock l(mLock); 1134 return setAudioAttributes_l(request); 1135 } 1136 default: 1137 sp<MediaPlayerBase> p = getPlayer(); 1138 if (p == 0) { return UNKNOWN_ERROR; } 1139 return p->setParameter(key, request); 1140 } 1141} 1142 1143status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1144 ALOGV("[%d] getParameter(%d)", mConnId, key); 1145 sp<MediaPlayerBase> p = getPlayer(); 1146 if (p == 0) return UNKNOWN_ERROR; 1147 return p->getParameter(key, reply); 1148} 1149 1150status_t MediaPlayerService::Client::setRetransmitEndpoint( 1151 const struct sockaddr_in* endpoint) { 1152 1153 if (NULL != endpoint) { 1154 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1155 uint16_t p = ntohs(endpoint->sin_port); 1156 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1157 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1158 } else { 1159 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1160 } 1161 1162 sp<MediaPlayerBase> p = getPlayer(); 1163 1164 // Right now, the only valid time to set a retransmit endpoint is before 1165 // player selection has been made (since the presence or absence of a 1166 // retransmit endpoint is going to determine which player is selected during 1167 // setDataSource). 1168 if (p != 0) return INVALID_OPERATION; 1169 1170 if (NULL != endpoint) { 1171 mRetransmitEndpoint = *endpoint; 1172 mRetransmitEndpointValid = true; 1173 } else { 1174 mRetransmitEndpointValid = false; 1175 } 1176 1177 return NO_ERROR; 1178} 1179 1180status_t MediaPlayerService::Client::getRetransmitEndpoint( 1181 struct sockaddr_in* endpoint) 1182{ 1183 if (NULL == endpoint) 1184 return BAD_VALUE; 1185 1186 sp<MediaPlayerBase> p = getPlayer(); 1187 1188 if (p != NULL) 1189 return p->getRetransmitEndpoint(endpoint); 1190 1191 if (!mRetransmitEndpointValid) 1192 return NO_INIT; 1193 1194 *endpoint = mRetransmitEndpoint; 1195 1196 return NO_ERROR; 1197} 1198 1199void MediaPlayerService::Client::notify( 1200 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1201{ 1202 Client* client = static_cast<Client*>(cookie); 1203 if (client == NULL) { 1204 return; 1205 } 1206 1207 sp<IMediaPlayerClient> c; 1208 { 1209 Mutex::Autolock l(client->mLock); 1210 c = client->mClient; 1211 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1212 if (client->mAudioOutput != NULL) 1213 client->mAudioOutput->switchToNextOutput(); 1214 client->mNextClient->start(); 1215 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1216 } 1217 } 1218 1219 if (MEDIA_INFO == msg && 1220 MEDIA_INFO_METADATA_UPDATE == ext1) { 1221 const media::Metadata::Type metadata_type = ext2; 1222 1223 if(client->shouldDropMetadata(metadata_type)) { 1224 return; 1225 } 1226 1227 // Update the list of metadata that have changed. getMetadata 1228 // also access mMetadataUpdated and clears it. 1229 client->addNewMetadataUpdate(metadata_type); 1230 } 1231 1232 if (c != NULL) { 1233 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1234 c->notify(msg, ext1, ext2, obj); 1235 } 1236} 1237 1238 1239bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1240{ 1241 Mutex::Autolock lock(mLock); 1242 1243 if (findMetadata(mMetadataDrop, code)) { 1244 return true; 1245 } 1246 1247 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1248 return false; 1249 } else { 1250 return true; 1251 } 1252} 1253 1254 1255void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1256 Mutex::Autolock lock(mLock); 1257 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1258 mMetadataUpdated.add(metadata_type); 1259 } 1260} 1261 1262#if CALLBACK_ANTAGONIZER 1263const int Antagonizer::interval = 10000; // 10 msecs 1264 1265Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1266 mExit(false), mActive(false), mClient(client), mCb(cb) 1267{ 1268 createThread(callbackThread, this); 1269} 1270 1271void Antagonizer::kill() 1272{ 1273 Mutex::Autolock _l(mLock); 1274 mActive = false; 1275 mExit = true; 1276 mCondition.wait(mLock); 1277} 1278 1279int Antagonizer::callbackThread(void* user) 1280{ 1281 ALOGD("Antagonizer started"); 1282 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1283 while (!p->mExit) { 1284 if (p->mActive) { 1285 ALOGV("send event"); 1286 p->mCb(p->mClient, 0, 0, 0); 1287 } 1288 usleep(interval); 1289 } 1290 Mutex::Autolock _l(p->mLock); 1291 p->mCondition.signal(); 1292 ALOGD("Antagonizer stopped"); 1293 return 0; 1294} 1295#endif 1296 1297#undef LOG_TAG 1298#define LOG_TAG "AudioSink" 1299MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid, int pid, 1300 const audio_attributes_t* attr) 1301 : mCallback(NULL), 1302 mCallbackCookie(NULL), 1303 mCallbackData(NULL), 1304 mBytesWritten(0), 1305 mSessionId(sessionId), 1306 mUid(uid), 1307 mPid(pid), 1308 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1309 ALOGV("AudioOutput(%d)", sessionId); 1310 mStreamType = AUDIO_STREAM_MUSIC; 1311 mLeftVolume = 1.0; 1312 mRightVolume = 1.0; 1313 mPlaybackRatePermille = 1000; 1314 mSampleRateHz = 0; 1315 mMsecsPerFrame = 0; 1316 mAuxEffectId = 0; 1317 mSendLevel = 0.0; 1318 setMinBufferCount(); 1319 mAttributes = attr; 1320} 1321 1322MediaPlayerService::AudioOutput::~AudioOutput() 1323{ 1324 close(); 1325 delete mCallbackData; 1326} 1327 1328void MediaPlayerService::AudioOutput::setMinBufferCount() 1329{ 1330 char value[PROPERTY_VALUE_MAX]; 1331 if (property_get("ro.kernel.qemu", value, 0)) { 1332 mIsOnEmulator = true; 1333 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1334 } 1335} 1336 1337bool MediaPlayerService::AudioOutput::isOnEmulator() 1338{ 1339 setMinBufferCount(); 1340 return mIsOnEmulator; 1341} 1342 1343int MediaPlayerService::AudioOutput::getMinBufferCount() 1344{ 1345 setMinBufferCount(); 1346 return mMinBufferCount; 1347} 1348 1349ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1350{ 1351 if (mTrack == 0) return NO_INIT; 1352 return mTrack->frameCount() * frameSize(); 1353} 1354 1355ssize_t MediaPlayerService::AudioOutput::frameCount() const 1356{ 1357 if (mTrack == 0) return NO_INIT; 1358 return mTrack->frameCount(); 1359} 1360 1361ssize_t MediaPlayerService::AudioOutput::channelCount() const 1362{ 1363 if (mTrack == 0) return NO_INIT; 1364 return mTrack->channelCount(); 1365} 1366 1367ssize_t MediaPlayerService::AudioOutput::frameSize() const 1368{ 1369 if (mTrack == 0) return NO_INIT; 1370 return mTrack->frameSize(); 1371} 1372 1373uint32_t MediaPlayerService::AudioOutput::latency () const 1374{ 1375 if (mTrack == 0) return 0; 1376 return mTrack->latency(); 1377} 1378 1379float MediaPlayerService::AudioOutput::msecsPerFrame() const 1380{ 1381 return mMsecsPerFrame; 1382} 1383 1384status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1385{ 1386 if (mTrack == 0) return NO_INIT; 1387 return mTrack->getPosition(position); 1388} 1389 1390status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const 1391{ 1392 if (mTrack == 0) return NO_INIT; 1393 return mTrack->getTimestamp(ts); 1394} 1395 1396status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1397{ 1398 if (mTrack == 0) return NO_INIT; 1399 *frameswritten = mBytesWritten / frameSize(); 1400 return OK; 1401} 1402 1403status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1404{ 1405 if (mTrack == 0) return NO_INIT; 1406 return mTrack->setParameters(keyValuePairs); 1407} 1408 1409String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1410{ 1411 if (mTrack == 0) return String8::empty(); 1412 return mTrack->getParameters(keys); 1413} 1414 1415void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1416 mAttributes = attributes; 1417} 1418 1419void MediaPlayerService::AudioOutput::deleteRecycledTrack() 1420{ 1421 ALOGV("deleteRecycledTrack"); 1422 1423 if (mRecycledTrack != 0) { 1424 1425 if (mCallbackData != NULL) { 1426 mCallbackData->setOutput(NULL); 1427 mCallbackData->endTrackSwitch(); 1428 } 1429 1430 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1431 mRecycledTrack->flush(); 1432 } 1433 // An offloaded track isn't flushed because the STREAM_END is reported 1434 // slightly prematurely to allow time for the gapless track switch 1435 // but this means that if we decide not to recycle the track there 1436 // could be a small amount of residual data still playing. We leave 1437 // AudioFlinger to drain the track. 1438 1439 mRecycledTrack.clear(); 1440 delete mCallbackData; 1441 mCallbackData = NULL; 1442 close(); 1443 } 1444} 1445 1446status_t MediaPlayerService::AudioOutput::open( 1447 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1448 audio_format_t format, int bufferCount, 1449 AudioCallback cb, void *cookie, 1450 audio_output_flags_t flags, 1451 const audio_offload_info_t *offloadInfo) 1452{ 1453 mCallback = cb; 1454 mCallbackCookie = cookie; 1455 1456 // Check argument "bufferCount" against the mininum buffer count 1457 if (bufferCount < mMinBufferCount) { 1458 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1459 bufferCount = mMinBufferCount; 1460 1461 } 1462 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1463 format, bufferCount, mSessionId, flags); 1464 size_t frameCount; 1465 1466 // offloading is only supported in callback mode for now. 1467 // offloadInfo must be present if offload flag is set 1468 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1469 ((cb == NULL) || (offloadInfo == NULL))) { 1470 return BAD_VALUE; 1471 } 1472 1473 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1474 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1475 } else { 1476 uint32_t afSampleRate; 1477 size_t afFrameCount; 1478 1479 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1480 return NO_INIT; 1481 } 1482 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1483 return NO_INIT; 1484 } 1485 1486 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1487 } 1488 1489 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1490 channelMask = audio_channel_out_mask_from_count(channelCount); 1491 if (0 == channelMask) { 1492 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1493 return NO_INIT; 1494 } 1495 } 1496 1497 // Check whether we can recycle the track 1498 bool reuse = false; 1499 bool bothOffloaded = false; 1500 1501 if (mRecycledTrack != 0) { 1502 // check whether we are switching between two offloaded tracks 1503 bothOffloaded = (flags & mRecycledTrack->getFlags() 1504 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1505 1506 // check if the existing track can be reused as-is, or if a new track needs to be created. 1507 reuse = true; 1508 1509 if ((mCallbackData == NULL && mCallback != NULL) || 1510 (mCallbackData != NULL && mCallback == NULL)) { 1511 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1512 ALOGV("can't chain callback and write"); 1513 reuse = false; 1514 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1515 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1516 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1517 mRecycledTrack->getSampleRate(), sampleRate, 1518 mRecycledTrack->channelCount(), channelCount); 1519 reuse = false; 1520 } else if (flags != mFlags) { 1521 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1522 reuse = false; 1523 } else if (mRecycledTrack->format() != format) { 1524 reuse = false; 1525 } 1526 } else { 1527 ALOGV("no track available to recycle"); 1528 } 1529 1530 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1531 1532 // If we can't recycle and both tracks are offloaded 1533 // we must close the previous output before opening a new one 1534 if (bothOffloaded && !reuse) { 1535 ALOGV("both offloaded and not recycling"); 1536 deleteRecycledTrack(); 1537 } 1538 1539 sp<AudioTrack> t; 1540 CallbackData *newcbd = NULL; 1541 1542 // We don't attempt to create a new track if we are recycling an 1543 // offloaded track. But, if we are recycling a non-offloaded or we 1544 // are switching where one is offloaded and one isn't then we create 1545 // the new track in advance so that we can read additional stream info 1546 1547 if (!(reuse && bothOffloaded)) { 1548 ALOGV("creating new AudioTrack"); 1549 1550 if (mCallback != NULL) { 1551 newcbd = new CallbackData(this); 1552 t = new AudioTrack( 1553 mStreamType, 1554 sampleRate, 1555 format, 1556 channelMask, 1557 frameCount, 1558 flags, 1559 CallbackWrapper, 1560 newcbd, 1561 0, // notification frames 1562 mSessionId, 1563 AudioTrack::TRANSFER_CALLBACK, 1564 offloadInfo, 1565 mUid, 1566 mPid, 1567 mAttributes); 1568 } else { 1569 t = new AudioTrack( 1570 mStreamType, 1571 sampleRate, 1572 format, 1573 channelMask, 1574 frameCount, 1575 flags, 1576 NULL, // callback 1577 NULL, // user data 1578 0, // notification frames 1579 mSessionId, 1580 AudioTrack::TRANSFER_DEFAULT, 1581 NULL, // offload info 1582 mUid, 1583 mPid, 1584 mAttributes); 1585 } 1586 1587 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1588 ALOGE("Unable to create audio track"); 1589 delete newcbd; 1590 return NO_INIT; 1591 } else { 1592 // successful AudioTrack initialization implies a legacy stream type was generated 1593 // from the audio attributes 1594 mStreamType = t->streamType(); 1595 } 1596 } 1597 1598 if (reuse) { 1599 CHECK(mRecycledTrack != NULL); 1600 1601 if (!bothOffloaded) { 1602 if (mRecycledTrack->frameCount() != t->frameCount()) { 1603 ALOGV("framecount differs: %u/%u frames", 1604 mRecycledTrack->frameCount(), t->frameCount()); 1605 reuse = false; 1606 } 1607 } 1608 1609 if (reuse) { 1610 ALOGV("chaining to next output and recycling track"); 1611 close(); 1612 mTrack = mRecycledTrack; 1613 mRecycledTrack.clear(); 1614 if (mCallbackData != NULL) { 1615 mCallbackData->setOutput(this); 1616 } 1617 delete newcbd; 1618 return OK; 1619 } 1620 } 1621 1622 // we're not going to reuse the track, unblock and flush it 1623 // this was done earlier if both tracks are offloaded 1624 if (!bothOffloaded) { 1625 deleteRecycledTrack(); 1626 } 1627 1628 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 1629 1630 mCallbackData = newcbd; 1631 ALOGV("setVolume"); 1632 t->setVolume(mLeftVolume, mRightVolume); 1633 1634 mSampleRateHz = sampleRate; 1635 mFlags = flags; 1636 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1637 uint32_t pos; 1638 if (t->getPosition(&pos) == OK) { 1639 mBytesWritten = uint64_t(pos) * t->frameSize(); 1640 } 1641 mTrack = t; 1642 1643 status_t res = NO_ERROR; 1644 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1645 res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1646 if (res == NO_ERROR) { 1647 t->setAuxEffectSendLevel(mSendLevel); 1648 res = t->attachAuxEffect(mAuxEffectId); 1649 } 1650 } 1651 ALOGV("open() DONE status %d", res); 1652 return res; 1653} 1654 1655status_t MediaPlayerService::AudioOutput::start() 1656{ 1657 ALOGV("start"); 1658 if (mCallbackData != NULL) { 1659 mCallbackData->endTrackSwitch(); 1660 } 1661 if (mTrack != 0) { 1662 mTrack->setVolume(mLeftVolume, mRightVolume); 1663 mTrack->setAuxEffectSendLevel(mSendLevel); 1664 return mTrack->start(); 1665 } 1666 return NO_INIT; 1667} 1668 1669void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1670 mNextOutput = nextOutput; 1671} 1672 1673 1674void MediaPlayerService::AudioOutput::switchToNextOutput() { 1675 ALOGV("switchToNextOutput"); 1676 if (mNextOutput != NULL) { 1677 if (mCallbackData != NULL) { 1678 mCallbackData->beginTrackSwitch(); 1679 } 1680 delete mNextOutput->mCallbackData; 1681 mNextOutput->mCallbackData = mCallbackData; 1682 mCallbackData = NULL; 1683 mNextOutput->mRecycledTrack = mTrack; 1684 mTrack.clear(); 1685 mNextOutput->mSampleRateHz = mSampleRateHz; 1686 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1687 mNextOutput->mBytesWritten = mBytesWritten; 1688 mNextOutput->mFlags = mFlags; 1689 } 1690} 1691 1692ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) 1693{ 1694 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1695 1696 //ALOGV("write(%p, %u)", buffer, size); 1697 if (mTrack != 0) { 1698 ssize_t ret = mTrack->write(buffer, size, blocking); 1699 if (ret >= 0) { 1700 mBytesWritten += ret; 1701 } 1702 return ret; 1703 } 1704 return NO_INIT; 1705} 1706 1707void MediaPlayerService::AudioOutput::stop() 1708{ 1709 ALOGV("stop"); 1710 if (mTrack != 0) mTrack->stop(); 1711} 1712 1713void MediaPlayerService::AudioOutput::flush() 1714{ 1715 ALOGV("flush"); 1716 if (mTrack != 0) mTrack->flush(); 1717} 1718 1719void MediaPlayerService::AudioOutput::pause() 1720{ 1721 ALOGV("pause"); 1722 if (mTrack != 0) mTrack->pause(); 1723} 1724 1725void MediaPlayerService::AudioOutput::close() 1726{ 1727 ALOGV("close"); 1728 mTrack.clear(); 1729} 1730 1731void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1732{ 1733 ALOGV("setVolume(%f, %f)", left, right); 1734 mLeftVolume = left; 1735 mRightVolume = right; 1736 if (mTrack != 0) { 1737 mTrack->setVolume(left, right); 1738 } 1739} 1740 1741status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1742{ 1743 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1744 status_t res = NO_ERROR; 1745 if (mTrack != 0) { 1746 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1747 } else { 1748 res = NO_INIT; 1749 } 1750 mPlaybackRatePermille = ratePermille; 1751 if (mSampleRateHz != 0) { 1752 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1753 } 1754 return res; 1755} 1756 1757status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1758{ 1759 ALOGV("setAuxEffectSendLevel(%f)", level); 1760 mSendLevel = level; 1761 if (mTrack != 0) { 1762 return mTrack->setAuxEffectSendLevel(level); 1763 } 1764 return NO_ERROR; 1765} 1766 1767status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1768{ 1769 ALOGV("attachAuxEffect(%d)", effectId); 1770 mAuxEffectId = effectId; 1771 if (mTrack != 0) { 1772 return mTrack->attachAuxEffect(effectId); 1773 } 1774 return NO_ERROR; 1775} 1776 1777// static 1778void MediaPlayerService::AudioOutput::CallbackWrapper( 1779 int event, void *cookie, void *info) { 1780 //ALOGV("callbackwrapper"); 1781 CallbackData *data = (CallbackData*)cookie; 1782 data->lock(); 1783 AudioOutput *me = data->getOutput(); 1784 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1785 if (me == NULL) { 1786 // no output set, likely because the track was scheduled to be reused 1787 // by another player, but the format turned out to be incompatible. 1788 data->unlock(); 1789 if (buffer != NULL) { 1790 buffer->size = 0; 1791 } 1792 return; 1793 } 1794 1795 switch(event) { 1796 case AudioTrack::EVENT_MORE_DATA: { 1797 size_t actualSize = (*me->mCallback)( 1798 me, buffer->raw, buffer->size, me->mCallbackCookie, 1799 CB_EVENT_FILL_BUFFER); 1800 1801 if ((me->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0 && 1802 actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1803 // We've reached EOS but the audio track is not stopped yet, 1804 // keep playing silence. 1805 1806 memset(buffer->raw, 0, buffer->size); 1807 actualSize = buffer->size; 1808 } 1809 1810 buffer->size = actualSize; 1811 } break; 1812 1813 1814 case AudioTrack::EVENT_STREAM_END: 1815 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 1816 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1817 me->mCallbackCookie, CB_EVENT_STREAM_END); 1818 break; 1819 1820 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 1821 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 1822 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1823 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 1824 break; 1825 1826 default: 1827 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 1828 } 1829 1830 data->unlock(); 1831} 1832 1833int MediaPlayerService::AudioOutput::getSessionId() const 1834{ 1835 return mSessionId; 1836} 1837 1838uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 1839{ 1840 if (mTrack == 0) return 0; 1841 return mTrack->getSampleRate(); 1842} 1843 1844//////////////////////////////////////////////////////////////////////////////// 1845 1846struct CallbackThread : public Thread { 1847 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1848 MediaPlayerBase::AudioSink::AudioCallback cb, 1849 void *cookie); 1850 1851protected: 1852 virtual ~CallbackThread(); 1853 1854 virtual bool threadLoop(); 1855 1856private: 1857 wp<MediaPlayerBase::AudioSink> mSink; 1858 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1859 void *mCookie; 1860 void *mBuffer; 1861 size_t mBufferSize; 1862 1863 CallbackThread(const CallbackThread &); 1864 CallbackThread &operator=(const CallbackThread &); 1865}; 1866 1867CallbackThread::CallbackThread( 1868 const wp<MediaPlayerBase::AudioSink> &sink, 1869 MediaPlayerBase::AudioSink::AudioCallback cb, 1870 void *cookie) 1871 : mSink(sink), 1872 mCallback(cb), 1873 mCookie(cookie), 1874 mBuffer(NULL), 1875 mBufferSize(0) { 1876} 1877 1878CallbackThread::~CallbackThread() { 1879 if (mBuffer) { 1880 free(mBuffer); 1881 mBuffer = NULL; 1882 } 1883} 1884 1885bool CallbackThread::threadLoop() { 1886 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1887 if (sink == NULL) { 1888 return false; 1889 } 1890 1891 if (mBuffer == NULL) { 1892 mBufferSize = sink->bufferSize(); 1893 mBuffer = malloc(mBufferSize); 1894 } 1895 1896 size_t actualSize = 1897 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 1898 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 1899 1900 if (actualSize > 0) { 1901 sink->write(mBuffer, actualSize); 1902 // Could return false on sink->write() error or short count. 1903 // Not necessarily appropriate but would work for AudioCache behavior. 1904 } 1905 1906 return true; 1907} 1908 1909//////////////////////////////////////////////////////////////////////////////// 1910 1911void MediaPlayerService::addBatteryData(uint32_t params) 1912{ 1913 Mutex::Autolock lock(mLock); 1914 1915 int32_t time = systemTime() / 1000000L; 1916 1917 // change audio output devices. This notification comes from AudioFlinger 1918 if ((params & kBatteryDataSpeakerOn) 1919 || (params & kBatteryDataOtherAudioDeviceOn)) { 1920 1921 int deviceOn[NUM_AUDIO_DEVICES]; 1922 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1923 deviceOn[i] = 0; 1924 } 1925 1926 if ((params & kBatteryDataSpeakerOn) 1927 && (params & kBatteryDataOtherAudioDeviceOn)) { 1928 deviceOn[SPEAKER_AND_OTHER] = 1; 1929 } else if (params & kBatteryDataSpeakerOn) { 1930 deviceOn[SPEAKER] = 1; 1931 } else { 1932 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1933 } 1934 1935 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1936 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1937 1938 if (mBatteryAudio.refCount > 0) { // if playing audio 1939 if (!deviceOn[i]) { 1940 mBatteryAudio.lastTime[i] += time; 1941 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1942 mBatteryAudio.lastTime[i] = 0; 1943 } else { 1944 mBatteryAudio.lastTime[i] = 0 - time; 1945 } 1946 } 1947 1948 mBatteryAudio.deviceOn[i] = deviceOn[i]; 1949 } 1950 } 1951 return; 1952 } 1953 1954 // an audio stream is started 1955 if (params & kBatteryDataAudioFlingerStart) { 1956 // record the start time only if currently no other audio 1957 // is being played 1958 if (mBatteryAudio.refCount == 0) { 1959 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1960 if (mBatteryAudio.deviceOn[i]) { 1961 mBatteryAudio.lastTime[i] -= time; 1962 } 1963 } 1964 } 1965 1966 mBatteryAudio.refCount ++; 1967 return; 1968 1969 } else if (params & kBatteryDataAudioFlingerStop) { 1970 if (mBatteryAudio.refCount <= 0) { 1971 ALOGW("Battery track warning: refCount is <= 0"); 1972 return; 1973 } 1974 1975 // record the stop time only if currently this is the only 1976 // audio being played 1977 if (mBatteryAudio.refCount == 1) { 1978 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1979 if (mBatteryAudio.deviceOn[i]) { 1980 mBatteryAudio.lastTime[i] += time; 1981 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1982 mBatteryAudio.lastTime[i] = 0; 1983 } 1984 } 1985 } 1986 1987 mBatteryAudio.refCount --; 1988 return; 1989 } 1990 1991 int uid = IPCThreadState::self()->getCallingUid(); 1992 if (uid == AID_MEDIA) { 1993 return; 1994 } 1995 int index = mBatteryData.indexOfKey(uid); 1996 1997 if (index < 0) { // create a new entry for this UID 1998 BatteryUsageInfo info; 1999 info.audioTotalTime = 0; 2000 info.videoTotalTime = 0; 2001 info.audioLastTime = 0; 2002 info.videoLastTime = 0; 2003 info.refCount = 0; 2004 2005 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2006 ALOGE("Battery track error: no memory for new app"); 2007 return; 2008 } 2009 } 2010 2011 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2012 2013 if (params & kBatteryDataCodecStarted) { 2014 if (params & kBatteryDataTrackAudio) { 2015 info.audioLastTime -= time; 2016 info.refCount ++; 2017 } 2018 if (params & kBatteryDataTrackVideo) { 2019 info.videoLastTime -= time; 2020 info.refCount ++; 2021 } 2022 } else { 2023 if (info.refCount == 0) { 2024 ALOGW("Battery track warning: refCount is already 0"); 2025 return; 2026 } else if (info.refCount < 0) { 2027 ALOGE("Battery track error: refCount < 0"); 2028 mBatteryData.removeItem(uid); 2029 return; 2030 } 2031 2032 if (params & kBatteryDataTrackAudio) { 2033 info.audioLastTime += time; 2034 info.refCount --; 2035 } 2036 if (params & kBatteryDataTrackVideo) { 2037 info.videoLastTime += time; 2038 info.refCount --; 2039 } 2040 2041 // no stream is being played by this UID 2042 if (info.refCount == 0) { 2043 info.audioTotalTime += info.audioLastTime; 2044 info.audioLastTime = 0; 2045 info.videoTotalTime += info.videoLastTime; 2046 info.videoLastTime = 0; 2047 } 2048 } 2049} 2050 2051status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2052 Mutex::Autolock lock(mLock); 2053 2054 // audio output devices usage 2055 int32_t time = systemTime() / 1000000L; //in ms 2056 int32_t totalTime; 2057 2058 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2059 totalTime = mBatteryAudio.totalTime[i]; 2060 2061 if (mBatteryAudio.deviceOn[i] 2062 && (mBatteryAudio.lastTime[i] != 0)) { 2063 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2064 totalTime += tmpTime; 2065 } 2066 2067 reply->writeInt32(totalTime); 2068 // reset the total time 2069 mBatteryAudio.totalTime[i] = 0; 2070 } 2071 2072 // codec usage 2073 BatteryUsageInfo info; 2074 int size = mBatteryData.size(); 2075 2076 reply->writeInt32(size); 2077 int i = 0; 2078 2079 while (i < size) { 2080 info = mBatteryData.valueAt(i); 2081 2082 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2083 reply->writeInt32(info.audioTotalTime); 2084 reply->writeInt32(info.videoTotalTime); 2085 2086 info.audioTotalTime = 0; 2087 info.videoTotalTime = 0; 2088 2089 // remove the UID entry where no stream is being played 2090 if (info.refCount <= 0) { 2091 mBatteryData.removeItemsAt(i); 2092 size --; 2093 i --; 2094 } 2095 i++; 2096 } 2097 return NO_ERROR; 2098} 2099} // namespace android 2100