MediaPlayerService.cpp revision 3a474aa67fc31505740526dd249d96204c08bf79
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(const String16 &opPackageName) 311{ 312 pid_t pid = IPCThreadState::self()->getCallingPid(); 313 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid, opPackageName); 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 String16 &opPackageName, 385 const sp<IRemoteDisplayClient>& client, const String8& iface) { 386 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 387 return NULL; 388 } 389 390 return new RemoteDisplay(opPackageName, client, iface.string()); 391} 392 393status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 394{ 395 const size_t SIZE = 256; 396 char buffer[SIZE]; 397 String8 result; 398 399 result.append(" AudioOutput\n"); 400 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 401 mStreamType, mLeftVolume, mRightVolume); 402 result.append(buffer); 403 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 404 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 405 result.append(buffer); 406 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 407 mAuxEffectId, mSendLevel); 408 result.append(buffer); 409 410 ::write(fd, result.string(), result.size()); 411 if (mTrack != 0) { 412 mTrack->dump(fd, args); 413 } 414 return NO_ERROR; 415} 416 417status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) 418{ 419 const size_t SIZE = 256; 420 char buffer[SIZE]; 421 String8 result; 422 result.append(" Client\n"); 423 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 424 mPid, mConnId, mStatus, mLoop?"true": "false"); 425 result.append(buffer); 426 write(fd, result.string(), result.size()); 427 if (mPlayer != NULL) { 428 mPlayer->dump(fd, args); 429 } 430 if (mAudioOutput != 0) { 431 mAudioOutput->dump(fd, args); 432 } 433 write(fd, "\n", 1); 434 return NO_ERROR; 435} 436 437/** 438 * The only arguments this understands right now are -c, -von and -voff, 439 * which are parsed by ALooperRoster::dump() 440 */ 441status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 442{ 443 const size_t SIZE = 256; 444 char buffer[SIZE]; 445 String8 result; 446 SortedVector< sp<Client> > clients; //to serialise the mutex unlock & client destruction. 447 SortedVector< sp<MediaRecorderClient> > mediaRecorderClients; 448 449 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 450 snprintf(buffer, SIZE, "Permission Denial: " 451 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 452 IPCThreadState::self()->getCallingPid(), 453 IPCThreadState::self()->getCallingUid()); 454 result.append(buffer); 455 } else { 456 Mutex::Autolock lock(mLock); 457 for (int i = 0, n = mClients.size(); i < n; ++i) { 458 sp<Client> c = mClients[i].promote(); 459 if (c != 0) c->dump(fd, args); 460 clients.add(c); 461 } 462 if (mMediaRecorderClients.size() == 0) { 463 result.append(" No media recorder client\n\n"); 464 } else { 465 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 466 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 467 if (c != 0) { 468 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 469 result.append(buffer); 470 write(fd, result.string(), result.size()); 471 result = "\n"; 472 c->dump(fd, args); 473 mediaRecorderClients.add(c); 474 } 475 } 476 } 477 478 result.append(" Files opened and/or mapped:\n"); 479 snprintf(buffer, SIZE, "/proc/%d/maps", getpid()); 480 FILE *f = fopen(buffer, "r"); 481 if (f) { 482 while (!feof(f)) { 483 fgets(buffer, SIZE, f); 484 if (strstr(buffer, " /storage/") || 485 strstr(buffer, " /system/sounds/") || 486 strstr(buffer, " /data/") || 487 strstr(buffer, " /system/media/")) { 488 result.append(" "); 489 result.append(buffer); 490 } 491 } 492 fclose(f); 493 } else { 494 result.append("couldn't open "); 495 result.append(buffer); 496 result.append("\n"); 497 } 498 499 snprintf(buffer, SIZE, "/proc/%d/fd", getpid()); 500 DIR *d = opendir(buffer); 501 if (d) { 502 struct dirent *ent; 503 while((ent = readdir(d)) != NULL) { 504 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 505 snprintf(buffer, SIZE, "/proc/%d/fd/%s", getpid(), ent->d_name); 506 struct stat s; 507 if (lstat(buffer, &s) == 0) { 508 if ((s.st_mode & S_IFMT) == S_IFLNK) { 509 char linkto[256]; 510 int len = readlink(buffer, linkto, sizeof(linkto)); 511 if(len > 0) { 512 if(len > 255) { 513 linkto[252] = '.'; 514 linkto[253] = '.'; 515 linkto[254] = '.'; 516 linkto[255] = 0; 517 } else { 518 linkto[len] = 0; 519 } 520 if (strstr(linkto, "/storage/") == linkto || 521 strstr(linkto, "/system/sounds/") == linkto || 522 strstr(linkto, "/data/") == linkto || 523 strstr(linkto, "/system/media/") == linkto) { 524 result.append(" "); 525 result.append(buffer); 526 result.append(" -> "); 527 result.append(linkto); 528 result.append("\n"); 529 } 530 } 531 } else { 532 result.append(" unexpected type for "); 533 result.append(buffer); 534 result.append("\n"); 535 } 536 } 537 } 538 } 539 closedir(d); 540 } else { 541 result.append("couldn't open "); 542 result.append(buffer); 543 result.append("\n"); 544 } 545 546 gLooperRoster.dump(fd, args); 547 548 bool dumpMem = false; 549 for (size_t i = 0; i < args.size(); i++) { 550 if (args[i] == String16("-m")) { 551 dumpMem = true; 552 } 553 } 554 if (dumpMem) { 555 dumpMemoryAddresses(fd); 556 } 557 } 558 write(fd, result.string(), result.size()); 559 return NO_ERROR; 560} 561 562void MediaPlayerService::removeClient(wp<Client> client) 563{ 564 Mutex::Autolock lock(mLock); 565 mClients.remove(client); 566} 567 568MediaPlayerService::Client::Client( 569 const sp<MediaPlayerService>& service, pid_t pid, 570 int32_t connId, const sp<IMediaPlayerClient>& client, 571 int 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} 602 603void MediaPlayerService::Client::disconnect() 604{ 605 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 606 // grab local reference and clear main reference to prevent future 607 // access to object 608 sp<MediaPlayerBase> p; 609 { 610 Mutex::Autolock l(mLock); 611 p = mPlayer; 612 mClient.clear(); 613 } 614 615 mPlayer.clear(); 616 617 // clear the notification to prevent callbacks to dead client 618 // and reset the player. We assume the player will serialize 619 // access to itself if necessary. 620 if (p != 0) { 621 p->setNotifyCallback(0, 0); 622#if CALLBACK_ANTAGONIZER 623 ALOGD("kill Antagonizer"); 624 mAntagonizer->kill(); 625#endif 626 p->reset(); 627 } 628 629 disconnectNativeWindow(); 630 631 IPCThreadState::self()->flushCommands(); 632} 633 634sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 635{ 636 // determine if we have the right player type 637 sp<MediaPlayerBase> p = mPlayer; 638 if ((p != NULL) && (p->playerType() != playerType)) { 639 ALOGV("delete player"); 640 p.clear(); 641 } 642 if (p == NULL) { 643 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 644 } 645 646 if (p != NULL) { 647 p->setUID(mUID); 648 } 649 650 return p; 651} 652 653sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 654 player_type playerType) 655{ 656 ALOGV("player type = %d", playerType); 657 658 // create the right type of player 659 sp<MediaPlayerBase> p = createPlayer(playerType); 660 if (p == NULL) { 661 return p; 662 } 663 664 if (!p->hardwareOutput()) { 665 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 666 mPid, mAudioAttributes); 667 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 668 } 669 670 return p; 671} 672 673void MediaPlayerService::Client::setDataSource_post( 674 const sp<MediaPlayerBase>& p, 675 status_t status) 676{ 677 ALOGV(" setDataSource"); 678 mStatus = status; 679 if (mStatus != OK) { 680 ALOGE(" error: %d", mStatus); 681 return; 682 } 683 684 // Set the re-transmission endpoint if one was chosen. 685 if (mRetransmitEndpointValid) { 686 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 687 if (mStatus != NO_ERROR) { 688 ALOGE("setRetransmitEndpoint error: %d", mStatus); 689 } 690 } 691 692 if (mStatus == OK) { 693 mPlayer = p; 694 } 695} 696 697status_t MediaPlayerService::Client::setDataSource( 698 const sp<IMediaHTTPService> &httpService, 699 const char *url, 700 const KeyedVector<String8, String8> *headers) 701{ 702 ALOGV("setDataSource(%s)", url); 703 if (url == NULL) 704 return UNKNOWN_ERROR; 705 706 if ((strncmp(url, "http://", 7) == 0) || 707 (strncmp(url, "https://", 8) == 0) || 708 (strncmp(url, "rtsp://", 7) == 0)) { 709 if (!checkPermission("android.permission.INTERNET")) { 710 return PERMISSION_DENIED; 711 } 712 } 713 714 if (strncmp(url, "content://", 10) == 0) { 715 // get a filedescriptor for the content Uri and 716 // pass it to the setDataSource(fd) method 717 718 String16 url16(url); 719 int fd = android::openContentProviderFile(url16); 720 if (fd < 0) 721 { 722 ALOGE("Couldn't open fd for %s", url); 723 return UNKNOWN_ERROR; 724 } 725 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 726 close(fd); 727 return mStatus; 728 } else { 729 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 730 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 731 if (p == NULL) { 732 return NO_INIT; 733 } 734 735 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 736 return mStatus; 737 } 738} 739 740status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 741{ 742 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 743 struct stat sb; 744 int ret = fstat(fd, &sb); 745 if (ret != 0) { 746 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 747 return UNKNOWN_ERROR; 748 } 749 750 ALOGV("st_dev = %llu", static_cast<uint64_t>(sb.st_dev)); 751 ALOGV("st_mode = %u", sb.st_mode); 752 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); 753 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); 754 ALOGV("st_size = %llu", sb.st_size); 755 756 if (offset >= sb.st_size) { 757 ALOGE("offset error"); 758 ::close(fd); 759 return UNKNOWN_ERROR; 760 } 761 if (offset + length > sb.st_size) { 762 length = sb.st_size - offset; 763 ALOGV("calculated length = %lld", length); 764 } 765 766 player_type playerType = MediaPlayerFactory::getPlayerType(this, 767 fd, 768 offset, 769 length); 770 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 771 if (p == NULL) { 772 return NO_INIT; 773 } 774 775 // now set data source 776 setDataSource_post(p, p->setDataSource(fd, offset, length)); 777 return mStatus; 778} 779 780status_t MediaPlayerService::Client::setDataSource( 781 const sp<IStreamSource> &source) { 782 // create the right type of player 783 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 784 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 785 if (p == NULL) { 786 return NO_INIT; 787 } 788 789 // now set data source 790 setDataSource_post(p, p->setDataSource(source)); 791 return mStatus; 792} 793 794status_t MediaPlayerService::Client::setDataSource( 795 const sp<IDataSource> &source) { 796 sp<DataSource> dataSource = DataSource::CreateFromIDataSource(source); 797 player_type playerType = MediaPlayerFactory::getPlayerType(this, dataSource); 798 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 799 if (p == NULL) { 800 return NO_INIT; 801 } 802 // now set data source 803 setDataSource_post(p, p->setDataSource(dataSource)); 804 return mStatus; 805} 806 807void MediaPlayerService::Client::disconnectNativeWindow() { 808 if (mConnectedWindow != NULL) { 809 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 810 NATIVE_WINDOW_API_MEDIA); 811 812 if (err != OK) { 813 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 814 strerror(-err), err); 815 } 816 } 817 mConnectedWindow.clear(); 818} 819 820status_t MediaPlayerService::Client::setVideoSurfaceTexture( 821 const sp<IGraphicBufferProducer>& bufferProducer) 822{ 823 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 824 sp<MediaPlayerBase> p = getPlayer(); 825 if (p == 0) return UNKNOWN_ERROR; 826 827 sp<IBinder> binder(IInterface::asBinder(bufferProducer)); 828 if (mConnectedWindowBinder == binder) { 829 return OK; 830 } 831 832 sp<ANativeWindow> anw; 833 if (bufferProducer != NULL) { 834 anw = new Surface(bufferProducer, true /* controlledByApp */); 835 status_t err = native_window_api_connect(anw.get(), 836 NATIVE_WINDOW_API_MEDIA); 837 838 if (err != OK) { 839 ALOGE("setVideoSurfaceTexture failed: %d", err); 840 // Note that we must do the reset before disconnecting from the ANW. 841 // Otherwise queue/dequeue calls could be made on the disconnected 842 // ANW, which may result in errors. 843 reset(); 844 845 disconnectNativeWindow(); 846 847 return err; 848 } 849 } 850 851 // Note that we must set the player's new GraphicBufferProducer before 852 // disconnecting the old one. Otherwise queue/dequeue calls could be made 853 // on the disconnected ANW, which may result in errors. 854 status_t err = p->setVideoSurfaceTexture(bufferProducer); 855 856 disconnectNativeWindow(); 857 858 mConnectedWindow = anw; 859 860 if (err == OK) { 861 mConnectedWindowBinder = binder; 862 } else { 863 disconnectNativeWindow(); 864 } 865 866 return err; 867} 868 869status_t MediaPlayerService::Client::invoke(const Parcel& request, 870 Parcel *reply) 871{ 872 sp<MediaPlayerBase> p = getPlayer(); 873 if (p == NULL) return UNKNOWN_ERROR; 874 return p->invoke(request, reply); 875} 876 877// This call doesn't need to access the native player. 878status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 879{ 880 status_t status; 881 media::Metadata::Filter allow, drop; 882 883 if (unmarshallFilter(filter, &allow, &status) && 884 unmarshallFilter(filter, &drop, &status)) { 885 Mutex::Autolock lock(mLock); 886 887 mMetadataAllow = allow; 888 mMetadataDrop = drop; 889 } 890 return status; 891} 892 893status_t MediaPlayerService::Client::getMetadata( 894 bool update_only, bool /*apply_filter*/, Parcel *reply) 895{ 896 sp<MediaPlayerBase> player = getPlayer(); 897 if (player == 0) return UNKNOWN_ERROR; 898 899 status_t status; 900 // Placeholder for the return code, updated by the caller. 901 reply->writeInt32(-1); 902 903 media::Metadata::Filter ids; 904 905 // We don't block notifications while we fetch the data. We clear 906 // mMetadataUpdated first so we don't lose notifications happening 907 // during the rest of this call. 908 { 909 Mutex::Autolock lock(mLock); 910 if (update_only) { 911 ids = mMetadataUpdated; 912 } 913 mMetadataUpdated.clear(); 914 } 915 916 media::Metadata metadata(reply); 917 918 metadata.appendHeader(); 919 status = player->getMetadata(ids, reply); 920 921 if (status != OK) { 922 metadata.resetParcel(); 923 ALOGE("getMetadata failed %d", status); 924 return status; 925 } 926 927 // FIXME: Implement filtering on the result. Not critical since 928 // filtering takes place on the update notifications already. This 929 // would be when all the metadata are fetch and a filter is set. 930 931 // Everything is fine, update the metadata length. 932 metadata.updateLength(); 933 return OK; 934} 935 936status_t MediaPlayerService::Client::prepareAsync() 937{ 938 ALOGV("[%d] prepareAsync", mConnId); 939 sp<MediaPlayerBase> p = getPlayer(); 940 if (p == 0) return UNKNOWN_ERROR; 941 status_t ret = p->prepareAsync(); 942#if CALLBACK_ANTAGONIZER 943 ALOGD("start Antagonizer"); 944 if (ret == NO_ERROR) mAntagonizer->start(); 945#endif 946 return ret; 947} 948 949status_t MediaPlayerService::Client::start() 950{ 951 ALOGV("[%d] start", mConnId); 952 sp<MediaPlayerBase> p = getPlayer(); 953 if (p == 0) return UNKNOWN_ERROR; 954 p->setLooping(mLoop); 955 return p->start(); 956} 957 958status_t MediaPlayerService::Client::stop() 959{ 960 ALOGV("[%d] stop", mConnId); 961 sp<MediaPlayerBase> p = getPlayer(); 962 if (p == 0) return UNKNOWN_ERROR; 963 return p->stop(); 964} 965 966status_t MediaPlayerService::Client::pause() 967{ 968 ALOGV("[%d] pause", mConnId); 969 sp<MediaPlayerBase> p = getPlayer(); 970 if (p == 0) return UNKNOWN_ERROR; 971 return p->pause(); 972} 973 974status_t MediaPlayerService::Client::isPlaying(bool* state) 975{ 976 *state = false; 977 sp<MediaPlayerBase> p = getPlayer(); 978 if (p == 0) return UNKNOWN_ERROR; 979 *state = p->isPlaying(); 980 ALOGV("[%d] isPlaying: %d", mConnId, *state); 981 return NO_ERROR; 982} 983 984status_t MediaPlayerService::Client::setPlaybackSettings(const AudioPlaybackRate& rate) 985{ 986 ALOGV("[%d] setPlaybackSettings(%f, %f, %d, %d)", 987 mConnId, rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 988 sp<MediaPlayerBase> p = getPlayer(); 989 if (p == 0) return UNKNOWN_ERROR; 990 return p->setPlaybackSettings(rate); 991} 992 993status_t MediaPlayerService::Client::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) 994{ 995 sp<MediaPlayerBase> p = getPlayer(); 996 if (p == 0) return UNKNOWN_ERROR; 997 status_t ret = p->getPlaybackSettings(rate); 998 if (ret == NO_ERROR) { 999 ALOGV("[%d] getPlaybackSettings(%f, %f, %d, %d)", 1000 mConnId, rate->mSpeed, rate->mPitch, rate->mFallbackMode, rate->mStretchMode); 1001 } else { 1002 ALOGV("[%d] getPlaybackSettings returned %d", mConnId, ret); 1003 } 1004 return ret; 1005} 1006 1007status_t MediaPlayerService::Client::setSyncSettings( 1008 const AVSyncSettings& sync, float videoFpsHint) 1009{ 1010 ALOGV("[%d] setSyncSettings(%u, %u, %f, %f)", 1011 mConnId, sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint); 1012 sp<MediaPlayerBase> p = getPlayer(); 1013 if (p == 0) return UNKNOWN_ERROR; 1014 return p->setSyncSettings(sync, videoFpsHint); 1015} 1016 1017status_t MediaPlayerService::Client::getSyncSettings( 1018 AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */) 1019{ 1020 sp<MediaPlayerBase> p = getPlayer(); 1021 if (p == 0) return UNKNOWN_ERROR; 1022 status_t ret = p->getSyncSettings(sync, videoFps); 1023 if (ret == NO_ERROR) { 1024 ALOGV("[%d] getSyncSettings(%u, %u, %f, %f)", 1025 mConnId, sync->mSource, sync->mAudioAdjustMode, sync->mTolerance, *videoFps); 1026 } else { 1027 ALOGV("[%d] getSyncSettings returned %d", mConnId, ret); 1028 } 1029 return ret; 1030} 1031 1032status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 1033{ 1034 ALOGV("getCurrentPosition"); 1035 sp<MediaPlayerBase> p = getPlayer(); 1036 if (p == 0) return UNKNOWN_ERROR; 1037 status_t ret = p->getCurrentPosition(msec); 1038 if (ret == NO_ERROR) { 1039 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 1040 } else { 1041 ALOGE("getCurrentPosition returned %d", ret); 1042 } 1043 return ret; 1044} 1045 1046status_t MediaPlayerService::Client::getDuration(int *msec) 1047{ 1048 ALOGV("getDuration"); 1049 sp<MediaPlayerBase> p = getPlayer(); 1050 if (p == 0) return UNKNOWN_ERROR; 1051 status_t ret = p->getDuration(msec); 1052 if (ret == NO_ERROR) { 1053 ALOGV("[%d] getDuration = %d", mConnId, *msec); 1054 } else { 1055 ALOGE("getDuration returned %d", ret); 1056 } 1057 return ret; 1058} 1059 1060status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 1061 ALOGV("setNextPlayer"); 1062 Mutex::Autolock l(mLock); 1063 sp<Client> c = static_cast<Client*>(player.get()); 1064 mNextClient = c; 1065 1066 if (c != NULL) { 1067 if (mAudioOutput != NULL) { 1068 mAudioOutput->setNextOutput(c->mAudioOutput); 1069 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 1070 ALOGE("no current audio output"); 1071 } 1072 1073 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 1074 mPlayer->setNextPlayer(mNextClient->getPlayer()); 1075 } 1076 } 1077 1078 return OK; 1079} 1080 1081status_t MediaPlayerService::Client::seekTo(int msec) 1082{ 1083 ALOGV("[%d] seekTo(%d)", mConnId, msec); 1084 sp<MediaPlayerBase> p = getPlayer(); 1085 if (p == 0) return UNKNOWN_ERROR; 1086 return p->seekTo(msec); 1087} 1088 1089status_t MediaPlayerService::Client::reset() 1090{ 1091 ALOGV("[%d] reset", mConnId); 1092 mRetransmitEndpointValid = false; 1093 sp<MediaPlayerBase> p = getPlayer(); 1094 if (p == 0) return UNKNOWN_ERROR; 1095 return p->reset(); 1096} 1097 1098status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 1099{ 1100 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1101 // TODO: for hardware output, call player instead 1102 Mutex::Autolock l(mLock); 1103 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1104 return NO_ERROR; 1105} 1106 1107status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) 1108{ 1109 if (mAudioAttributes != NULL) { free(mAudioAttributes); } 1110 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1111 unmarshallAudioAttributes(parcel, mAudioAttributes); 1112 1113 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", 1114 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, 1115 mAudioAttributes->tags); 1116 1117 if (mAudioOutput != 0) { 1118 mAudioOutput->setAudioAttributes(mAudioAttributes); 1119 } 1120 return NO_ERROR; 1121} 1122 1123status_t MediaPlayerService::Client::setLooping(int loop) 1124{ 1125 ALOGV("[%d] setLooping(%d)", mConnId, loop); 1126 mLoop = loop; 1127 sp<MediaPlayerBase> p = getPlayer(); 1128 if (p != 0) return p->setLooping(loop); 1129 return NO_ERROR; 1130} 1131 1132status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1133{ 1134 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1135 1136 // for hardware output, call player instead 1137 sp<MediaPlayerBase> p = getPlayer(); 1138 { 1139 Mutex::Autolock l(mLock); 1140 if (p != 0 && p->hardwareOutput()) { 1141 MediaPlayerHWInterface* hwp = 1142 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1143 return hwp->setVolume(leftVolume, rightVolume); 1144 } else { 1145 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1146 return NO_ERROR; 1147 } 1148 } 1149 1150 return NO_ERROR; 1151} 1152 1153status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1154{ 1155 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1156 Mutex::Autolock l(mLock); 1157 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1158 return NO_ERROR; 1159} 1160 1161status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1162{ 1163 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1164 Mutex::Autolock l(mLock); 1165 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1166 return NO_ERROR; 1167} 1168 1169status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1170 ALOGV("[%d] setParameter(%d)", mConnId, key); 1171 switch (key) { 1172 case KEY_PARAMETER_AUDIO_ATTRIBUTES: 1173 { 1174 Mutex::Autolock l(mLock); 1175 return setAudioAttributes_l(request); 1176 } 1177 default: 1178 sp<MediaPlayerBase> p = getPlayer(); 1179 if (p == 0) { return UNKNOWN_ERROR; } 1180 return p->setParameter(key, request); 1181 } 1182} 1183 1184status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1185 ALOGV("[%d] getParameter(%d)", mConnId, key); 1186 sp<MediaPlayerBase> p = getPlayer(); 1187 if (p == 0) return UNKNOWN_ERROR; 1188 return p->getParameter(key, reply); 1189} 1190 1191status_t MediaPlayerService::Client::setRetransmitEndpoint( 1192 const struct sockaddr_in* endpoint) { 1193 1194 if (NULL != endpoint) { 1195 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1196 uint16_t p = ntohs(endpoint->sin_port); 1197 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1198 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1199 } else { 1200 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1201 } 1202 1203 sp<MediaPlayerBase> p = getPlayer(); 1204 1205 // Right now, the only valid time to set a retransmit endpoint is before 1206 // player selection has been made (since the presence or absence of a 1207 // retransmit endpoint is going to determine which player is selected during 1208 // setDataSource). 1209 if (p != 0) return INVALID_OPERATION; 1210 1211 if (NULL != endpoint) { 1212 mRetransmitEndpoint = *endpoint; 1213 mRetransmitEndpointValid = true; 1214 } else { 1215 mRetransmitEndpointValid = false; 1216 } 1217 1218 return NO_ERROR; 1219} 1220 1221status_t MediaPlayerService::Client::getRetransmitEndpoint( 1222 struct sockaddr_in* endpoint) 1223{ 1224 if (NULL == endpoint) 1225 return BAD_VALUE; 1226 1227 sp<MediaPlayerBase> p = getPlayer(); 1228 1229 if (p != NULL) 1230 return p->getRetransmitEndpoint(endpoint); 1231 1232 if (!mRetransmitEndpointValid) 1233 return NO_INIT; 1234 1235 *endpoint = mRetransmitEndpoint; 1236 1237 return NO_ERROR; 1238} 1239 1240void MediaPlayerService::Client::notify( 1241 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1242{ 1243 Client* client = static_cast<Client*>(cookie); 1244 if (client == NULL) { 1245 return; 1246 } 1247 1248 sp<IMediaPlayerClient> c; 1249 { 1250 Mutex::Autolock l(client->mLock); 1251 c = client->mClient; 1252 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1253 if (client->mAudioOutput != NULL) 1254 client->mAudioOutput->switchToNextOutput(); 1255 client->mNextClient->start(); 1256 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1257 } 1258 } 1259 1260 if (MEDIA_INFO == msg && 1261 MEDIA_INFO_METADATA_UPDATE == ext1) { 1262 const media::Metadata::Type metadata_type = ext2; 1263 1264 if(client->shouldDropMetadata(metadata_type)) { 1265 return; 1266 } 1267 1268 // Update the list of metadata that have changed. getMetadata 1269 // also access mMetadataUpdated and clears it. 1270 client->addNewMetadataUpdate(metadata_type); 1271 } 1272 1273 if (c != NULL) { 1274 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1275 c->notify(msg, ext1, ext2, obj); 1276 } 1277} 1278 1279 1280bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1281{ 1282 Mutex::Autolock lock(mLock); 1283 1284 if (findMetadata(mMetadataDrop, code)) { 1285 return true; 1286 } 1287 1288 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1289 return false; 1290 } else { 1291 return true; 1292 } 1293} 1294 1295 1296void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1297 Mutex::Autolock lock(mLock); 1298 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1299 mMetadataUpdated.add(metadata_type); 1300 } 1301} 1302 1303#if CALLBACK_ANTAGONIZER 1304const int Antagonizer::interval = 10000; // 10 msecs 1305 1306Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1307 mExit(false), mActive(false), mClient(client), mCb(cb) 1308{ 1309 createThread(callbackThread, this); 1310} 1311 1312void Antagonizer::kill() 1313{ 1314 Mutex::Autolock _l(mLock); 1315 mActive = false; 1316 mExit = true; 1317 mCondition.wait(mLock); 1318} 1319 1320int Antagonizer::callbackThread(void* user) 1321{ 1322 ALOGD("Antagonizer started"); 1323 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1324 while (!p->mExit) { 1325 if (p->mActive) { 1326 ALOGV("send event"); 1327 p->mCb(p->mClient, 0, 0, 0); 1328 } 1329 usleep(interval); 1330 } 1331 Mutex::Autolock _l(p->mLock); 1332 p->mCondition.signal(); 1333 ALOGD("Antagonizer stopped"); 1334 return 0; 1335} 1336#endif 1337 1338#undef LOG_TAG 1339#define LOG_TAG "AudioSink" 1340MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid, int pid, 1341 const audio_attributes_t* attr) 1342 : mCallback(NULL), 1343 mCallbackCookie(NULL), 1344 mCallbackData(NULL), 1345 mBytesWritten(0), 1346 mSessionId(sessionId), 1347 mUid(uid), 1348 mPid(pid), 1349 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1350 ALOGV("AudioOutput(%d)", sessionId); 1351 mStreamType = AUDIO_STREAM_MUSIC; 1352 mLeftVolume = 1.0; 1353 mRightVolume = 1.0; 1354 mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT; 1355 mSampleRateHz = 0; 1356 mMsecsPerFrame = 0; 1357 mAuxEffectId = 0; 1358 mSendLevel = 0.0; 1359 setMinBufferCount(); 1360 mAttributes = attr; 1361} 1362 1363MediaPlayerService::AudioOutput::~AudioOutput() 1364{ 1365 close(); 1366 delete mCallbackData; 1367} 1368 1369void MediaPlayerService::AudioOutput::setMinBufferCount() 1370{ 1371 char value[PROPERTY_VALUE_MAX]; 1372 if (property_get("ro.kernel.qemu", value, 0)) { 1373 mIsOnEmulator = true; 1374 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1375 } 1376} 1377 1378bool MediaPlayerService::AudioOutput::isOnEmulator() 1379{ 1380 setMinBufferCount(); 1381 return mIsOnEmulator; 1382} 1383 1384int MediaPlayerService::AudioOutput::getMinBufferCount() 1385{ 1386 setMinBufferCount(); 1387 return mMinBufferCount; 1388} 1389 1390ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1391{ 1392 if (mTrack == 0) return NO_INIT; 1393 return mTrack->frameCount() * frameSize(); 1394} 1395 1396ssize_t MediaPlayerService::AudioOutput::frameCount() const 1397{ 1398 if (mTrack == 0) return NO_INIT; 1399 return mTrack->frameCount(); 1400} 1401 1402ssize_t MediaPlayerService::AudioOutput::channelCount() const 1403{ 1404 if (mTrack == 0) return NO_INIT; 1405 return mTrack->channelCount(); 1406} 1407 1408ssize_t MediaPlayerService::AudioOutput::frameSize() const 1409{ 1410 if (mTrack == 0) return NO_INIT; 1411 return mTrack->frameSize(); 1412} 1413 1414uint32_t MediaPlayerService::AudioOutput::latency () const 1415{ 1416 if (mTrack == 0) return 0; 1417 return mTrack->latency(); 1418} 1419 1420float MediaPlayerService::AudioOutput::msecsPerFrame() const 1421{ 1422 return mMsecsPerFrame; 1423} 1424 1425status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1426{ 1427 if (mTrack == 0) return NO_INIT; 1428 return mTrack->getPosition(position); 1429} 1430 1431status_t MediaPlayerService::AudioOutput::getTimestamp(AudioTimestamp &ts) const 1432{ 1433 if (mTrack == 0) return NO_INIT; 1434 return mTrack->getTimestamp(ts); 1435} 1436 1437status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1438{ 1439 if (mTrack == 0) return NO_INIT; 1440 *frameswritten = mBytesWritten / frameSize(); 1441 return OK; 1442} 1443 1444status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1445{ 1446 if (mTrack == 0) return NO_INIT; 1447 return mTrack->setParameters(keyValuePairs); 1448} 1449 1450String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1451{ 1452 if (mTrack == 0) return String8::empty(); 1453 return mTrack->getParameters(keys); 1454} 1455 1456void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1457 mAttributes = attributes; 1458} 1459 1460void MediaPlayerService::AudioOutput::deleteRecycledTrack() 1461{ 1462 ALOGV("deleteRecycledTrack"); 1463 1464 if (mRecycledTrack != 0) { 1465 1466 if (mCallbackData != NULL) { 1467 mCallbackData->setOutput(NULL); 1468 mCallbackData->endTrackSwitch(); 1469 } 1470 1471 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1472 mRecycledTrack->flush(); 1473 } 1474 // An offloaded track isn't flushed because the STREAM_END is reported 1475 // slightly prematurely to allow time for the gapless track switch 1476 // but this means that if we decide not to recycle the track there 1477 // could be a small amount of residual data still playing. We leave 1478 // AudioFlinger to drain the track. 1479 1480 mRecycledTrack.clear(); 1481 delete mCallbackData; 1482 mCallbackData = NULL; 1483 close(); 1484 } 1485} 1486 1487status_t MediaPlayerService::AudioOutput::open( 1488 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1489 audio_format_t format, int bufferCount, 1490 AudioCallback cb, void *cookie, 1491 audio_output_flags_t flags, 1492 const audio_offload_info_t *offloadInfo) 1493{ 1494 mCallback = cb; 1495 mCallbackCookie = cookie; 1496 1497 // Check argument "bufferCount" against the mininum buffer count 1498 if (bufferCount < mMinBufferCount) { 1499 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1500 bufferCount = mMinBufferCount; 1501 1502 } 1503 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1504 format, bufferCount, mSessionId, flags); 1505 size_t frameCount; 1506 1507 // offloading is only supported in callback mode for now. 1508 // offloadInfo must be present if offload flag is set 1509 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1510 ((cb == NULL) || (offloadInfo == NULL))) { 1511 return BAD_VALUE; 1512 } 1513 1514 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1515 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1516 } else { 1517 uint32_t afSampleRate; 1518 size_t afFrameCount; 1519 1520 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1521 return NO_INIT; 1522 } 1523 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1524 return NO_INIT; 1525 } 1526 1527 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1528 } 1529 1530 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1531 channelMask = audio_channel_out_mask_from_count(channelCount); 1532 if (0 == channelMask) { 1533 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1534 return NO_INIT; 1535 } 1536 } 1537 1538 // Check whether we can recycle the track 1539 bool reuse = false; 1540 bool bothOffloaded = false; 1541 1542 if (mRecycledTrack != 0) { 1543 // check whether we are switching between two offloaded tracks 1544 bothOffloaded = (flags & mRecycledTrack->getFlags() 1545 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1546 1547 // check if the existing track can be reused as-is, or if a new track needs to be created. 1548 reuse = true; 1549 1550 if ((mCallbackData == NULL && mCallback != NULL) || 1551 (mCallbackData != NULL && mCallback == NULL)) { 1552 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1553 ALOGV("can't chain callback and write"); 1554 reuse = false; 1555 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1556 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1557 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1558 mRecycledTrack->getSampleRate(), sampleRate, 1559 mRecycledTrack->channelCount(), channelCount); 1560 reuse = false; 1561 } else if (flags != mFlags) { 1562 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1563 reuse = false; 1564 } else if (mRecycledTrack->format() != format) { 1565 reuse = false; 1566 } 1567 } else { 1568 ALOGV("no track available to recycle"); 1569 } 1570 1571 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1572 1573 // If we can't recycle and both tracks are offloaded 1574 // we must close the previous output before opening a new one 1575 if (bothOffloaded && !reuse) { 1576 ALOGV("both offloaded and not recycling"); 1577 deleteRecycledTrack(); 1578 } 1579 1580 sp<AudioTrack> t; 1581 CallbackData *newcbd = NULL; 1582 1583 // We don't attempt to create a new track if we are recycling an 1584 // offloaded track. But, if we are recycling a non-offloaded or we 1585 // are switching where one is offloaded and one isn't then we create 1586 // the new track in advance so that we can read additional stream info 1587 1588 if (!(reuse && bothOffloaded)) { 1589 ALOGV("creating new AudioTrack"); 1590 1591 if (mCallback != NULL) { 1592 newcbd = new CallbackData(this); 1593 t = new AudioTrack( 1594 mStreamType, 1595 sampleRate, 1596 format, 1597 channelMask, 1598 frameCount, 1599 flags, 1600 CallbackWrapper, 1601 newcbd, 1602 0, // notification frames 1603 mSessionId, 1604 AudioTrack::TRANSFER_CALLBACK, 1605 offloadInfo, 1606 mUid, 1607 mPid, 1608 mAttributes); 1609 } else { 1610 t = new AudioTrack( 1611 mStreamType, 1612 sampleRate, 1613 format, 1614 channelMask, 1615 frameCount, 1616 flags, 1617 NULL, // callback 1618 NULL, // user data 1619 0, // notification frames 1620 mSessionId, 1621 AudioTrack::TRANSFER_DEFAULT, 1622 NULL, // offload info 1623 mUid, 1624 mPid, 1625 mAttributes); 1626 } 1627 1628 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1629 ALOGE("Unable to create audio track"); 1630 delete newcbd; 1631 return NO_INIT; 1632 } else { 1633 // successful AudioTrack initialization implies a legacy stream type was generated 1634 // from the audio attributes 1635 mStreamType = t->streamType(); 1636 } 1637 } 1638 1639 if (reuse) { 1640 CHECK(mRecycledTrack != NULL); 1641 1642 if (!bothOffloaded) { 1643 if (mRecycledTrack->frameCount() != t->frameCount()) { 1644 ALOGV("framecount differs: %u/%u frames", 1645 mRecycledTrack->frameCount(), t->frameCount()); 1646 reuse = false; 1647 } 1648 } 1649 1650 if (reuse) { 1651 ALOGV("chaining to next output and recycling track"); 1652 close(); 1653 mTrack = mRecycledTrack; 1654 mRecycledTrack.clear(); 1655 if (mCallbackData != NULL) { 1656 mCallbackData->setOutput(this); 1657 } 1658 delete newcbd; 1659 return OK; 1660 } 1661 } 1662 1663 // we're not going to reuse the track, unblock and flush it 1664 // this was done earlier if both tracks are offloaded 1665 if (!bothOffloaded) { 1666 deleteRecycledTrack(); 1667 } 1668 1669 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 1670 1671 mCallbackData = newcbd; 1672 ALOGV("setVolume"); 1673 t->setVolume(mLeftVolume, mRightVolume); 1674 1675 mSampleRateHz = sampleRate; 1676 mFlags = flags; 1677 mMsecsPerFrame = 1E3f / (mPlaybackRate.mSpeed * sampleRate); 1678 uint32_t pos; 1679 if (t->getPosition(&pos) == OK) { 1680 mBytesWritten = uint64_t(pos) * t->frameSize(); 1681 } 1682 mTrack = t; 1683 1684 status_t res = NO_ERROR; 1685 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1686 res = t->setPlaybackRate(mPlaybackRate); 1687 if (res == NO_ERROR) { 1688 t->setAuxEffectSendLevel(mSendLevel); 1689 res = t->attachAuxEffect(mAuxEffectId); 1690 } 1691 } 1692 ALOGV("open() DONE status %d", res); 1693 return res; 1694} 1695 1696status_t MediaPlayerService::AudioOutput::start() 1697{ 1698 ALOGV("start"); 1699 if (mCallbackData != NULL) { 1700 mCallbackData->endTrackSwitch(); 1701 } 1702 if (mTrack != 0) { 1703 mTrack->setVolume(mLeftVolume, mRightVolume); 1704 mTrack->setAuxEffectSendLevel(mSendLevel); 1705 return mTrack->start(); 1706 } 1707 return NO_INIT; 1708} 1709 1710void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1711 mNextOutput = nextOutput; 1712} 1713 1714 1715void MediaPlayerService::AudioOutput::switchToNextOutput() { 1716 ALOGV("switchToNextOutput"); 1717 if (mNextOutput != NULL) { 1718 if (mCallbackData != NULL) { 1719 mCallbackData->beginTrackSwitch(); 1720 } 1721 delete mNextOutput->mCallbackData; 1722 mNextOutput->mCallbackData = mCallbackData; 1723 mCallbackData = NULL; 1724 mNextOutput->mRecycledTrack = mTrack; 1725 mTrack.clear(); 1726 mNextOutput->mSampleRateHz = mSampleRateHz; 1727 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1728 mNextOutput->mBytesWritten = mBytesWritten; 1729 mNextOutput->mFlags = mFlags; 1730 } 1731} 1732 1733ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size, bool blocking) 1734{ 1735 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1736 1737 //ALOGV("write(%p, %u)", buffer, size); 1738 if (mTrack != 0) { 1739 ssize_t ret = mTrack->write(buffer, size, blocking); 1740 if (ret >= 0) { 1741 mBytesWritten += ret; 1742 } 1743 return ret; 1744 } 1745 return NO_INIT; 1746} 1747 1748void MediaPlayerService::AudioOutput::stop() 1749{ 1750 ALOGV("stop"); 1751 if (mTrack != 0) mTrack->stop(); 1752} 1753 1754void MediaPlayerService::AudioOutput::flush() 1755{ 1756 ALOGV("flush"); 1757 if (mTrack != 0) mTrack->flush(); 1758} 1759 1760void MediaPlayerService::AudioOutput::pause() 1761{ 1762 ALOGV("pause"); 1763 if (mTrack != 0) mTrack->pause(); 1764} 1765 1766void MediaPlayerService::AudioOutput::close() 1767{ 1768 ALOGV("close"); 1769 mTrack.clear(); 1770} 1771 1772void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1773{ 1774 ALOGV("setVolume(%f, %f)", left, right); 1775 mLeftVolume = left; 1776 mRightVolume = right; 1777 if (mTrack != 0) { 1778 mTrack->setVolume(left, right); 1779 } 1780} 1781 1782status_t MediaPlayerService::AudioOutput::setPlaybackRate(const AudioPlaybackRate &rate) 1783{ 1784 ALOGV("setPlaybackRate(%f %f %d %d)", 1785 rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); 1786 if (mTrack == 0) { 1787 // remember rate so that we can set it when the track is opened 1788 mPlaybackRate = rate; 1789 return OK; 1790 } 1791 status_t res = mTrack->setPlaybackRate(rate); 1792 if (res != NO_ERROR) { 1793 return res; 1794 } 1795 // rate.mSpeed is always greater than 0 if setPlaybackRate succeeded 1796 CHECK_GT(rate.mSpeed, 0.f); 1797 mPlaybackRate = rate; 1798 if (mSampleRateHz != 0) { 1799 mMsecsPerFrame = 1E3f / (rate.mSpeed * mSampleRateHz); 1800 } 1801 return res; 1802} 1803 1804status_t MediaPlayerService::AudioOutput::getPlaybackRate(AudioPlaybackRate *rate) 1805{ 1806 ALOGV("setPlaybackRate"); 1807 if (mTrack == 0) { 1808 return NO_INIT; 1809 } 1810 *rate = mTrack->getPlaybackRate(); 1811 return NO_ERROR; 1812} 1813 1814status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1815{ 1816 ALOGV("setAuxEffectSendLevel(%f)", level); 1817 mSendLevel = level; 1818 if (mTrack != 0) { 1819 return mTrack->setAuxEffectSendLevel(level); 1820 } 1821 return NO_ERROR; 1822} 1823 1824status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1825{ 1826 ALOGV("attachAuxEffect(%d)", effectId); 1827 mAuxEffectId = effectId; 1828 if (mTrack != 0) { 1829 return mTrack->attachAuxEffect(effectId); 1830 } 1831 return NO_ERROR; 1832} 1833 1834// static 1835void MediaPlayerService::AudioOutput::CallbackWrapper( 1836 int event, void *cookie, void *info) { 1837 //ALOGV("callbackwrapper"); 1838 CallbackData *data = (CallbackData*)cookie; 1839 data->lock(); 1840 AudioOutput *me = data->getOutput(); 1841 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1842 if (me == NULL) { 1843 // no output set, likely because the track was scheduled to be reused 1844 // by another player, but the format turned out to be incompatible. 1845 data->unlock(); 1846 if (buffer != NULL) { 1847 buffer->size = 0; 1848 } 1849 return; 1850 } 1851 1852 switch(event) { 1853 case AudioTrack::EVENT_MORE_DATA: { 1854 size_t actualSize = (*me->mCallback)( 1855 me, buffer->raw, buffer->size, me->mCallbackCookie, 1856 CB_EVENT_FILL_BUFFER); 1857 1858 if ((me->mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0 && 1859 actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1860 // We've reached EOS but the audio track is not stopped yet, 1861 // keep playing silence. 1862 1863 memset(buffer->raw, 0, buffer->size); 1864 actualSize = buffer->size; 1865 } 1866 1867 buffer->size = actualSize; 1868 } break; 1869 1870 1871 case AudioTrack::EVENT_STREAM_END: 1872 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 1873 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1874 me->mCallbackCookie, CB_EVENT_STREAM_END); 1875 break; 1876 1877 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 1878 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 1879 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1880 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 1881 break; 1882 1883 default: 1884 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 1885 } 1886 1887 data->unlock(); 1888} 1889 1890int MediaPlayerService::AudioOutput::getSessionId() const 1891{ 1892 return mSessionId; 1893} 1894 1895uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 1896{ 1897 if (mTrack == 0) return 0; 1898 return mTrack->getSampleRate(); 1899} 1900 1901//////////////////////////////////////////////////////////////////////////////// 1902 1903struct CallbackThread : public Thread { 1904 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1905 MediaPlayerBase::AudioSink::AudioCallback cb, 1906 void *cookie); 1907 1908protected: 1909 virtual ~CallbackThread(); 1910 1911 virtual bool threadLoop(); 1912 1913private: 1914 wp<MediaPlayerBase::AudioSink> mSink; 1915 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1916 void *mCookie; 1917 void *mBuffer; 1918 size_t mBufferSize; 1919 1920 CallbackThread(const CallbackThread &); 1921 CallbackThread &operator=(const CallbackThread &); 1922}; 1923 1924CallbackThread::CallbackThread( 1925 const wp<MediaPlayerBase::AudioSink> &sink, 1926 MediaPlayerBase::AudioSink::AudioCallback cb, 1927 void *cookie) 1928 : mSink(sink), 1929 mCallback(cb), 1930 mCookie(cookie), 1931 mBuffer(NULL), 1932 mBufferSize(0) { 1933} 1934 1935CallbackThread::~CallbackThread() { 1936 if (mBuffer) { 1937 free(mBuffer); 1938 mBuffer = NULL; 1939 } 1940} 1941 1942bool CallbackThread::threadLoop() { 1943 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1944 if (sink == NULL) { 1945 return false; 1946 } 1947 1948 if (mBuffer == NULL) { 1949 mBufferSize = sink->bufferSize(); 1950 mBuffer = malloc(mBufferSize); 1951 } 1952 1953 size_t actualSize = 1954 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 1955 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 1956 1957 if (actualSize > 0) { 1958 sink->write(mBuffer, actualSize); 1959 // Could return false on sink->write() error or short count. 1960 // Not necessarily appropriate but would work for AudioCache behavior. 1961 } 1962 1963 return true; 1964} 1965 1966//////////////////////////////////////////////////////////////////////////////// 1967 1968void MediaPlayerService::addBatteryData(uint32_t params) 1969{ 1970 Mutex::Autolock lock(mLock); 1971 1972 int32_t time = systemTime() / 1000000L; 1973 1974 // change audio output devices. This notification comes from AudioFlinger 1975 if ((params & kBatteryDataSpeakerOn) 1976 || (params & kBatteryDataOtherAudioDeviceOn)) { 1977 1978 int deviceOn[NUM_AUDIO_DEVICES]; 1979 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1980 deviceOn[i] = 0; 1981 } 1982 1983 if ((params & kBatteryDataSpeakerOn) 1984 && (params & kBatteryDataOtherAudioDeviceOn)) { 1985 deviceOn[SPEAKER_AND_OTHER] = 1; 1986 } else if (params & kBatteryDataSpeakerOn) { 1987 deviceOn[SPEAKER] = 1; 1988 } else { 1989 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1990 } 1991 1992 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1993 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1994 1995 if (mBatteryAudio.refCount > 0) { // if playing audio 1996 if (!deviceOn[i]) { 1997 mBatteryAudio.lastTime[i] += time; 1998 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1999 mBatteryAudio.lastTime[i] = 0; 2000 } else { 2001 mBatteryAudio.lastTime[i] = 0 - time; 2002 } 2003 } 2004 2005 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2006 } 2007 } 2008 return; 2009 } 2010 2011 // an audio stream is started 2012 if (params & kBatteryDataAudioFlingerStart) { 2013 // record the start time only if currently no other audio 2014 // is being played 2015 if (mBatteryAudio.refCount == 0) { 2016 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2017 if (mBatteryAudio.deviceOn[i]) { 2018 mBatteryAudio.lastTime[i] -= time; 2019 } 2020 } 2021 } 2022 2023 mBatteryAudio.refCount ++; 2024 return; 2025 2026 } else if (params & kBatteryDataAudioFlingerStop) { 2027 if (mBatteryAudio.refCount <= 0) { 2028 ALOGW("Battery track warning: refCount is <= 0"); 2029 return; 2030 } 2031 2032 // record the stop time only if currently this is the only 2033 // audio being played 2034 if (mBatteryAudio.refCount == 1) { 2035 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2036 if (mBatteryAudio.deviceOn[i]) { 2037 mBatteryAudio.lastTime[i] += time; 2038 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2039 mBatteryAudio.lastTime[i] = 0; 2040 } 2041 } 2042 } 2043 2044 mBatteryAudio.refCount --; 2045 return; 2046 } 2047 2048 int uid = IPCThreadState::self()->getCallingUid(); 2049 if (uid == AID_MEDIA) { 2050 return; 2051 } 2052 int index = mBatteryData.indexOfKey(uid); 2053 2054 if (index < 0) { // create a new entry for this UID 2055 BatteryUsageInfo info; 2056 info.audioTotalTime = 0; 2057 info.videoTotalTime = 0; 2058 info.audioLastTime = 0; 2059 info.videoLastTime = 0; 2060 info.refCount = 0; 2061 2062 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2063 ALOGE("Battery track error: no memory for new app"); 2064 return; 2065 } 2066 } 2067 2068 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2069 2070 if (params & kBatteryDataCodecStarted) { 2071 if (params & kBatteryDataTrackAudio) { 2072 info.audioLastTime -= time; 2073 info.refCount ++; 2074 } 2075 if (params & kBatteryDataTrackVideo) { 2076 info.videoLastTime -= time; 2077 info.refCount ++; 2078 } 2079 } else { 2080 if (info.refCount == 0) { 2081 ALOGW("Battery track warning: refCount is already 0"); 2082 return; 2083 } else if (info.refCount < 0) { 2084 ALOGE("Battery track error: refCount < 0"); 2085 mBatteryData.removeItem(uid); 2086 return; 2087 } 2088 2089 if (params & kBatteryDataTrackAudio) { 2090 info.audioLastTime += time; 2091 info.refCount --; 2092 } 2093 if (params & kBatteryDataTrackVideo) { 2094 info.videoLastTime += time; 2095 info.refCount --; 2096 } 2097 2098 // no stream is being played by this UID 2099 if (info.refCount == 0) { 2100 info.audioTotalTime += info.audioLastTime; 2101 info.audioLastTime = 0; 2102 info.videoTotalTime += info.videoLastTime; 2103 info.videoLastTime = 0; 2104 } 2105 } 2106} 2107 2108status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2109 Mutex::Autolock lock(mLock); 2110 2111 // audio output devices usage 2112 int32_t time = systemTime() / 1000000L; //in ms 2113 int32_t totalTime; 2114 2115 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2116 totalTime = mBatteryAudio.totalTime[i]; 2117 2118 if (mBatteryAudio.deviceOn[i] 2119 && (mBatteryAudio.lastTime[i] != 0)) { 2120 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2121 totalTime += tmpTime; 2122 } 2123 2124 reply->writeInt32(totalTime); 2125 // reset the total time 2126 mBatteryAudio.totalTime[i] = 0; 2127 } 2128 2129 // codec usage 2130 BatteryUsageInfo info; 2131 int size = mBatteryData.size(); 2132 2133 reply->writeInt32(size); 2134 int i = 0; 2135 2136 while (i < size) { 2137 info = mBatteryData.valueAt(i); 2138 2139 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2140 reply->writeInt32(info.audioTotalTime); 2141 reply->writeInt32(info.videoTotalTime); 2142 2143 info.audioTotalTime = 0; 2144 info.videoTotalTime = 0; 2145 2146 // remove the UID entry where no stream is being played 2147 if (info.refCount <= 0) { 2148 mBatteryData.removeItemsAt(i); 2149 size --; 2150 i --; 2151 } 2152 i++; 2153 } 2154 return NO_ERROR; 2155} 2156} // namespace android 2157