MediaPlayerService.cpp revision bce50bfc3846ab008bafa75c5d3f29fd7b5395f7
1/* 2** 3** Copyright 2008, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18// Proxy for media player implementations 19 20//#define LOG_NDEBUG 0 21#define LOG_TAG "MediaPlayerService" 22#include <utils/Log.h> 23 24#include <sys/types.h> 25#include <sys/stat.h> 26#include <sys/time.h> 27#include <dirent.h> 28#include <unistd.h> 29 30#include <string.h> 31 32#include <cutils/atomic.h> 33#include <cutils/properties.h> // for property_get 34 35#include <utils/misc.h> 36 37#include <binder/IPCThreadState.h> 38#include <binder/IServiceManager.h> 39#include <binder/MemoryHeapBase.h> 40#include <binder/MemoryBase.h> 41#include <gui/Surface.h> 42#include <utils/Errors.h> // for status_t 43#include <utils/String8.h> 44#include <utils/SystemClock.h> 45#include <utils/Vector.h> 46 47#include <media/IMediaHTTPService.h> 48#include <media/IRemoteDisplay.h> 49#include <media/IRemoteDisplayClient.h> 50#include <media/MediaPlayerInterface.h> 51#include <media/mediarecorder.h> 52#include <media/MediaMetadataRetrieverInterface.h> 53#include <media/Metadata.h> 54#include <media/AudioTrack.h> 55#include <media/MemoryLeakTrackUtil.h> 56#include <media/stagefright/MediaErrors.h> 57#include <media/stagefright/AudioPlayer.h> 58#include <media/stagefright/foundation/ADebug.h> 59 60#include <system/audio.h> 61 62#include <private/android_filesystem_config.h> 63 64#include "ActivityManager.h" 65#include "MediaRecorderClient.h" 66#include "MediaPlayerService.h" 67#include "MetadataRetrieverClient.h" 68#include "MediaPlayerFactory.h" 69 70#include "MidiFile.h" 71#include "TestPlayerStub.h" 72#include "StagefrightPlayer.h" 73#include "nuplayer/NuPlayerDriver.h" 74 75#include <OMX.h> 76 77#include "Crypto.h" 78#include "Drm.h" 79#include "HDCP.h" 80#include "HTTPBase.h" 81#include "RemoteDisplay.h" 82 83namespace { 84using android::media::Metadata; 85using android::status_t; 86using android::OK; 87using android::BAD_VALUE; 88using android::NOT_ENOUGH_DATA; 89using android::Parcel; 90 91// Max number of entries in the filter. 92const int kMaxFilterSize = 64; // I pulled that out of thin air. 93 94// FIXME: Move all the metadata related function in the Metadata.cpp 95 96 97// Unmarshall a filter from a Parcel. 98// Filter format in a parcel: 99// 100// 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 1 101// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 102// | number of entries (n) | 103// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 104// | metadata type 1 | 105// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 106// | metadata type 2 | 107// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 108// .... 109// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 110// | metadata type n | 111// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 112// 113// @param p Parcel that should start with a filter. 114// @param[out] filter On exit contains the list of metadata type to be 115// filtered. 116// @param[out] status On exit contains the status code to be returned. 117// @return true if the parcel starts with a valid filter. 118bool unmarshallFilter(const Parcel& p, 119 Metadata::Filter *filter, 120 status_t *status) 121{ 122 int32_t val; 123 if (p.readInt32(&val) != OK) 124 { 125 ALOGE("Failed to read filter's length"); 126 *status = NOT_ENOUGH_DATA; 127 return false; 128 } 129 130 if( val > kMaxFilterSize || val < 0) 131 { 132 ALOGE("Invalid filter len %d", val); 133 *status = BAD_VALUE; 134 return false; 135 } 136 137 const size_t num = val; 138 139 filter->clear(); 140 filter->setCapacity(num); 141 142 size_t size = num * sizeof(Metadata::Type); 143 144 145 if (p.dataAvail() < size) 146 { 147 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 148 *status = NOT_ENOUGH_DATA; 149 return false; 150 } 151 152 const Metadata::Type *data = 153 static_cast<const Metadata::Type*>(p.readInplace(size)); 154 155 if (NULL == data) 156 { 157 ALOGE("Filter had no data"); 158 *status = BAD_VALUE; 159 return false; 160 } 161 162 // TODO: The stl impl of vector would be more efficient here 163 // because it degenerates into a memcpy on pod types. Try to 164 // replace later or use stl::set. 165 for (size_t i = 0; i < num; ++i) 166 { 167 filter->add(*data); 168 ++data; 169 } 170 *status = OK; 171 return true; 172} 173 174// @param filter Of metadata type. 175// @param val To be searched. 176// @return true if a match was found. 177bool findMetadata(const Metadata::Filter& filter, const int32_t val) 178{ 179 // Deal with empty and ANY right away 180 if (filter.isEmpty()) return false; 181 if (filter[0] == Metadata::kAny) return true; 182 183 return filter.indexOf(val) >= 0; 184} 185 186} // anonymous namespace 187 188 189namespace android { 190 191static bool checkPermission(const char* permissionString) { 192#ifndef HAVE_ANDROID_OS 193 return true; 194#endif 195 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 196 bool ok = checkCallingPermission(String16(permissionString)); 197 if (!ok) ALOGE("Request requires %s", permissionString); 198 return ok; 199} 200 201// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 202/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 203/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 204 205void MediaPlayerService::instantiate() { 206 defaultServiceManager()->addService( 207 String16("media.player"), new MediaPlayerService()); 208} 209 210MediaPlayerService::MediaPlayerService() 211{ 212 ALOGV("MediaPlayerService created"); 213 mNextConnId = 1; 214 215 mBatteryAudio.refCount = 0; 216 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 217 mBatteryAudio.deviceOn[i] = 0; 218 mBatteryAudio.lastTime[i] = 0; 219 mBatteryAudio.totalTime[i] = 0; 220 } 221 // speaker is on by default 222 mBatteryAudio.deviceOn[SPEAKER] = 1; 223 224 MediaPlayerFactory::registerBuiltinFactories(); 225} 226 227MediaPlayerService::~MediaPlayerService() 228{ 229 ALOGV("MediaPlayerService destroyed"); 230} 231 232sp<IMediaRecorder> MediaPlayerService::createMediaRecorder() 233{ 234 pid_t pid = IPCThreadState::self()->getCallingPid(); 235 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 236 wp<MediaRecorderClient> w = recorder; 237 Mutex::Autolock lock(mLock); 238 mMediaRecorderClients.add(w); 239 ALOGV("Create new media recorder client from pid %d", pid); 240 return recorder; 241} 242 243void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 244{ 245 Mutex::Autolock lock(mLock); 246 mMediaRecorderClients.remove(client); 247 ALOGV("Delete media recorder client"); 248} 249 250sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 251{ 252 pid_t pid = IPCThreadState::self()->getCallingPid(); 253 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 254 ALOGV("Create new media retriever from pid %d", pid); 255 return retriever; 256} 257 258sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 259 int audioSessionId) 260{ 261 pid_t pid = IPCThreadState::self()->getCallingPid(); 262 int32_t connId = android_atomic_inc(&mNextConnId); 263 264 sp<Client> c = new Client( 265 this, pid, connId, client, audioSessionId, 266 IPCThreadState::self()->getCallingUid()); 267 268 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 269 IPCThreadState::self()->getCallingUid()); 270 271 wp<Client> w = c; 272 { 273 Mutex::Autolock lock(mLock); 274 mClients.add(w); 275 } 276 return c; 277} 278 279sp<IOMX> MediaPlayerService::getOMX() { 280 Mutex::Autolock autoLock(mLock); 281 282 if (mOMX.get() == NULL) { 283 mOMX = new OMX; 284 } 285 286 return mOMX; 287} 288 289sp<ICrypto> MediaPlayerService::makeCrypto() { 290 return new Crypto; 291} 292 293sp<IDrm> MediaPlayerService::makeDrm() { 294 return new Drm; 295} 296 297sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 298 return new HDCP(createEncryptionModule); 299} 300 301sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 302 const sp<IRemoteDisplayClient>& client, const String8& iface) { 303 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 304 return NULL; 305 } 306 307 return new RemoteDisplay(client, iface.string()); 308} 309 310status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 311{ 312 const size_t SIZE = 256; 313 char buffer[SIZE]; 314 String8 result; 315 316 result.append(" AudioCache\n"); 317 if (mHeap != 0) { 318 snprintf(buffer, 255, " heap base(%p), size(%zu), flags(%d)\n", 319 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags()); 320 result.append(buffer); 321 } 322 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%zd)\n", 323 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 324 result.append(buffer); 325 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 326 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 327 result.append(buffer); 328 ::write(fd, result.string(), result.size()); 329 return NO_ERROR; 330} 331 332status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 333{ 334 const size_t SIZE = 256; 335 char buffer[SIZE]; 336 String8 result; 337 338 result.append(" AudioOutput\n"); 339 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 340 mStreamType, mLeftVolume, mRightVolume); 341 result.append(buffer); 342 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 343 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 344 result.append(buffer); 345 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 346 mAuxEffectId, mSendLevel); 347 result.append(buffer); 348 349 ::write(fd, result.string(), result.size()); 350 if (mTrack != 0) { 351 mTrack->dump(fd, args); 352 } 353 return NO_ERROR; 354} 355 356status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 357{ 358 const size_t SIZE = 256; 359 char buffer[SIZE]; 360 String8 result; 361 result.append(" Client\n"); 362 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 363 mPid, mConnId, mStatus, mLoop?"true": "false"); 364 result.append(buffer); 365 write(fd, result.string(), result.size()); 366 if (mPlayer != NULL) { 367 mPlayer->dump(fd, args); 368 } 369 if (mAudioOutput != 0) { 370 mAudioOutput->dump(fd, args); 371 } 372 write(fd, "\n", 1); 373 return NO_ERROR; 374} 375 376status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 377{ 378 const size_t SIZE = 256; 379 char buffer[SIZE]; 380 String8 result; 381 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 382 snprintf(buffer, SIZE, "Permission Denial: " 383 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 384 IPCThreadState::self()->getCallingPid(), 385 IPCThreadState::self()->getCallingUid()); 386 result.append(buffer); 387 } else { 388 Mutex::Autolock lock(mLock); 389 for (int i = 0, n = mClients.size(); i < n; ++i) { 390 sp<Client> c = mClients[i].promote(); 391 if (c != 0) c->dump(fd, args); 392 } 393 if (mMediaRecorderClients.size() == 0) { 394 result.append(" No media recorder client\n\n"); 395 } else { 396 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 397 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 398 if (c != 0) { 399 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 400 result.append(buffer); 401 write(fd, result.string(), result.size()); 402 result = "\n"; 403 c->dump(fd, args); 404 } 405 } 406 } 407 408 result.append(" Files opened and/or mapped:\n"); 409 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 410 FILE *f = fopen(buffer, "r"); 411 if (f) { 412 while (!feof(f)) { 413 fgets(buffer, SIZE, f); 414 if (strstr(buffer, " /storage/") || 415 strstr(buffer, " /system/sounds/") || 416 strstr(buffer, " /data/") || 417 strstr(buffer, " /system/media/")) { 418 result.append(" "); 419 result.append(buffer); 420 } 421 } 422 fclose(f); 423 } else { 424 result.append("couldn't open "); 425 result.append(buffer); 426 result.append("\n"); 427 } 428 429 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 430 DIR *d = opendir(buffer); 431 if (d) { 432 struct dirent *ent; 433 while((ent = readdir(d)) != NULL) { 434 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 435 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 436 struct stat s; 437 if (lstat(buffer, &s) == 0) { 438 if ((s.st_mode & S_IFMT) == S_IFLNK) { 439 char linkto[256]; 440 int len = readlink(buffer, linkto, sizeof(linkto)); 441 if(len > 0) { 442 if(len > 255) { 443 linkto[252] = '.'; 444 linkto[253] = '.'; 445 linkto[254] = '.'; 446 linkto[255] = 0; 447 } else { 448 linkto[len] = 0; 449 } 450 if (strstr(linkto, "/storage/") == linkto || 451 strstr(linkto, "/system/sounds/") == linkto || 452 strstr(linkto, "/data/") == linkto || 453 strstr(linkto, "/system/media/") == linkto) { 454 result.append(" "); 455 result.append(buffer); 456 result.append(" -> "); 457 result.append(linkto); 458 result.append("\n"); 459 } 460 } 461 } else { 462 result.append(" unexpected type for "); 463 result.append(buffer); 464 result.append("\n"); 465 } 466 } 467 } 468 } 469 closedir(d); 470 } else { 471 result.append("couldn't open "); 472 result.append(buffer); 473 result.append("\n"); 474 } 475 476 bool dumpMem = false; 477 for (size_t i = 0; i < args.size(); i++) { 478 if (args[i] == String16("-m")) { 479 dumpMem = true; 480 } 481 } 482 if (dumpMem) { 483 dumpMemoryAddresses(fd); 484 } 485 } 486 write(fd, result.string(), result.size()); 487 return NO_ERROR; 488} 489 490void MediaPlayerService::removeClient(wp<Client> client) 491{ 492 Mutex::Autolock lock(mLock); 493 mClients.remove(client); 494} 495 496MediaPlayerService::Client::Client( 497 const sp<MediaPlayerService>& service, pid_t pid, 498 int32_t connId, const sp<IMediaPlayerClient>& client, 499 int audioSessionId, uid_t uid) 500{ 501 ALOGV("Client(%d) constructor", connId); 502 mPid = pid; 503 mConnId = connId; 504 mService = service; 505 mClient = client; 506 mLoop = false; 507 mStatus = NO_INIT; 508 mAudioSessionId = audioSessionId; 509 mUID = uid; 510 mRetransmitEndpointValid = false; 511 512#if CALLBACK_ANTAGONIZER 513 ALOGD("create Antagonizer"); 514 mAntagonizer = new Antagonizer(notify, this); 515#endif 516} 517 518MediaPlayerService::Client::~Client() 519{ 520 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 521 mAudioOutput.clear(); 522 wp<Client> client(this); 523 disconnect(); 524 mService->removeClient(client); 525} 526 527void MediaPlayerService::Client::disconnect() 528{ 529 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 530 // grab local reference and clear main reference to prevent future 531 // access to object 532 sp<MediaPlayerBase> p; 533 { 534 Mutex::Autolock l(mLock); 535 p = mPlayer; 536 mClient.clear(); 537 } 538 539 mPlayer.clear(); 540 541 // clear the notification to prevent callbacks to dead client 542 // and reset the player. We assume the player will serialize 543 // access to itself if necessary. 544 if (p != 0) { 545 p->setNotifyCallback(0, 0); 546#if CALLBACK_ANTAGONIZER 547 ALOGD("kill Antagonizer"); 548 mAntagonizer->kill(); 549#endif 550 p->reset(); 551 } 552 553 disconnectNativeWindow(); 554 555 IPCThreadState::self()->flushCommands(); 556} 557 558sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 559{ 560 // determine if we have the right player type 561 sp<MediaPlayerBase> p = mPlayer; 562 if ((p != NULL) && (p->playerType() != playerType)) { 563 ALOGV("delete player"); 564 p.clear(); 565 } 566 if (p == NULL) { 567 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 568 } 569 570 if (p != NULL) { 571 p->setUID(mUID); 572 } 573 574 return p; 575} 576 577sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 578 player_type playerType) 579{ 580 ALOGV("player type = %d", playerType); 581 582 // create the right type of player 583 sp<MediaPlayerBase> p = createPlayer(playerType); 584 if (p == NULL) { 585 return p; 586 } 587 588 if (!p->hardwareOutput()) { 589 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 590 mPid); 591 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 592 } 593 594 return p; 595} 596 597void MediaPlayerService::Client::setDataSource_post( 598 const sp<MediaPlayerBase>& p, 599 status_t status) 600{ 601 ALOGV(" setDataSource"); 602 mStatus = status; 603 if (mStatus != OK) { 604 ALOGE(" error: %d", mStatus); 605 return; 606 } 607 608 // Set the re-transmission endpoint if one was chosen. 609 if (mRetransmitEndpointValid) { 610 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 611 if (mStatus != NO_ERROR) { 612 ALOGE("setRetransmitEndpoint error: %d", mStatus); 613 } 614 } 615 616 if (mStatus == OK) { 617 mPlayer = p; 618 } 619} 620 621status_t MediaPlayerService::Client::setDataSource( 622 const sp<IMediaHTTPService> &httpService, 623 const char *url, 624 const KeyedVector<String8, String8> *headers) 625{ 626 ALOGV("setDataSource(%s)", url); 627 if (url == NULL) 628 return UNKNOWN_ERROR; 629 630 if ((strncmp(url, "http://", 7) == 0) || 631 (strncmp(url, "https://", 8) == 0) || 632 (strncmp(url, "rtsp://", 7) == 0)) { 633 if (!checkPermission("android.permission.INTERNET")) { 634 return PERMISSION_DENIED; 635 } 636 } 637 638 if (strncmp(url, "content://", 10) == 0) { 639 // get a filedescriptor for the content Uri and 640 // pass it to the setDataSource(fd) method 641 642 String16 url16(url); 643 int fd = android::openContentProviderFile(url16); 644 if (fd < 0) 645 { 646 ALOGE("Couldn't open fd for %s", url); 647 return UNKNOWN_ERROR; 648 } 649 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 650 close(fd); 651 return mStatus; 652 } else { 653 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 654 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 655 if (p == NULL) { 656 return NO_INIT; 657 } 658 659 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 660 return mStatus; 661 } 662} 663 664status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 665{ 666 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 667 struct stat sb; 668 int ret = fstat(fd, &sb); 669 if (ret != 0) { 670 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 671 return UNKNOWN_ERROR; 672 } 673 674 ALOGV("st_dev = %llu", sb.st_dev); 675 ALOGV("st_mode = %u", sb.st_mode); 676 ALOGV("st_uid = %lu", sb.st_uid); 677 ALOGV("st_gid = %lu", sb.st_gid); 678 ALOGV("st_size = %llu", sb.st_size); 679 680 if (offset >= sb.st_size) { 681 ALOGE("offset error"); 682 ::close(fd); 683 return UNKNOWN_ERROR; 684 } 685 if (offset + length > sb.st_size) { 686 length = sb.st_size - offset; 687 ALOGV("calculated length = %lld", length); 688 } 689 690 player_type playerType = MediaPlayerFactory::getPlayerType(this, 691 fd, 692 offset, 693 length); 694 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 695 if (p == NULL) { 696 return NO_INIT; 697 } 698 699 // now set data source 700 setDataSource_post(p, p->setDataSource(fd, offset, length)); 701 return mStatus; 702} 703 704status_t MediaPlayerService::Client::setDataSource( 705 const sp<IStreamSource> &source) { 706 // create the right type of player 707 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 708 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 709 if (p == NULL) { 710 return NO_INIT; 711 } 712 713 // now set data source 714 setDataSource_post(p, p->setDataSource(source)); 715 return mStatus; 716} 717 718void MediaPlayerService::Client::disconnectNativeWindow() { 719 if (mConnectedWindow != NULL) { 720 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 721 NATIVE_WINDOW_API_MEDIA); 722 723 if (err != OK) { 724 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 725 strerror(-err), err); 726 } 727 } 728 mConnectedWindow.clear(); 729} 730 731status_t MediaPlayerService::Client::setVideoSurfaceTexture( 732 const sp<IGraphicBufferProducer>& bufferProducer) 733{ 734 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 735 sp<MediaPlayerBase> p = getPlayer(); 736 if (p == 0) return UNKNOWN_ERROR; 737 738 sp<IBinder> binder(bufferProducer == NULL ? NULL : 739 bufferProducer->asBinder()); 740 if (mConnectedWindowBinder == binder) { 741 return OK; 742 } 743 744 sp<ANativeWindow> anw; 745 if (bufferProducer != NULL) { 746 anw = new Surface(bufferProducer, true /* controlledByApp */); 747 status_t err = native_window_api_connect(anw.get(), 748 NATIVE_WINDOW_API_MEDIA); 749 750 if (err != OK) { 751 ALOGE("setVideoSurfaceTexture failed: %d", err); 752 // Note that we must do the reset before disconnecting from the ANW. 753 // Otherwise queue/dequeue calls could be made on the disconnected 754 // ANW, which may result in errors. 755 reset(); 756 757 disconnectNativeWindow(); 758 759 return err; 760 } 761 } 762 763 // Note that we must set the player's new GraphicBufferProducer before 764 // disconnecting the old one. Otherwise queue/dequeue calls could be made 765 // on the disconnected ANW, which may result in errors. 766 status_t err = p->setVideoSurfaceTexture(bufferProducer); 767 768 disconnectNativeWindow(); 769 770 mConnectedWindow = anw; 771 772 if (err == OK) { 773 mConnectedWindowBinder = binder; 774 } else { 775 disconnectNativeWindow(); 776 } 777 778 return err; 779} 780 781status_t MediaPlayerService::Client::invoke(const Parcel& request, 782 Parcel *reply) 783{ 784 sp<MediaPlayerBase> p = getPlayer(); 785 if (p == NULL) return UNKNOWN_ERROR; 786 return p->invoke(request, reply); 787} 788 789// This call doesn't need to access the native player. 790status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 791{ 792 status_t status; 793 media::Metadata::Filter allow, drop; 794 795 if (unmarshallFilter(filter, &allow, &status) && 796 unmarshallFilter(filter, &drop, &status)) { 797 Mutex::Autolock lock(mLock); 798 799 mMetadataAllow = allow; 800 mMetadataDrop = drop; 801 } 802 return status; 803} 804 805status_t MediaPlayerService::Client::getMetadata( 806 bool update_only, bool apply_filter, Parcel *reply) 807{ 808 sp<MediaPlayerBase> player = getPlayer(); 809 if (player == 0) return UNKNOWN_ERROR; 810 811 status_t status; 812 // Placeholder for the return code, updated by the caller. 813 reply->writeInt32(-1); 814 815 media::Metadata::Filter ids; 816 817 // We don't block notifications while we fetch the data. We clear 818 // mMetadataUpdated first so we don't lose notifications happening 819 // during the rest of this call. 820 { 821 Mutex::Autolock lock(mLock); 822 if (update_only) { 823 ids = mMetadataUpdated; 824 } 825 mMetadataUpdated.clear(); 826 } 827 828 media::Metadata metadata(reply); 829 830 metadata.appendHeader(); 831 status = player->getMetadata(ids, reply); 832 833 if (status != OK) { 834 metadata.resetParcel(); 835 ALOGE("getMetadata failed %d", status); 836 return status; 837 } 838 839 // FIXME: Implement filtering on the result. Not critical since 840 // filtering takes place on the update notifications already. This 841 // would be when all the metadata are fetch and a filter is set. 842 843 // Everything is fine, update the metadata length. 844 metadata.updateLength(); 845 return OK; 846} 847 848status_t MediaPlayerService::Client::prepareAsync() 849{ 850 ALOGV("[%d] prepareAsync", mConnId); 851 sp<MediaPlayerBase> p = getPlayer(); 852 if (p == 0) return UNKNOWN_ERROR; 853 status_t ret = p->prepareAsync(); 854#if CALLBACK_ANTAGONIZER 855 ALOGD("start Antagonizer"); 856 if (ret == NO_ERROR) mAntagonizer->start(); 857#endif 858 return ret; 859} 860 861status_t MediaPlayerService::Client::start() 862{ 863 ALOGV("[%d] start", mConnId); 864 sp<MediaPlayerBase> p = getPlayer(); 865 if (p == 0) return UNKNOWN_ERROR; 866 p->setLooping(mLoop); 867 return p->start(); 868} 869 870status_t MediaPlayerService::Client::stop() 871{ 872 ALOGV("[%d] stop", mConnId); 873 sp<MediaPlayerBase> p = getPlayer(); 874 if (p == 0) return UNKNOWN_ERROR; 875 return p->stop(); 876} 877 878status_t MediaPlayerService::Client::pause() 879{ 880 ALOGV("[%d] pause", mConnId); 881 sp<MediaPlayerBase> p = getPlayer(); 882 if (p == 0) return UNKNOWN_ERROR; 883 return p->pause(); 884} 885 886status_t MediaPlayerService::Client::isPlaying(bool* state) 887{ 888 *state = false; 889 sp<MediaPlayerBase> p = getPlayer(); 890 if (p == 0) return UNKNOWN_ERROR; 891 *state = p->isPlaying(); 892 ALOGV("[%d] isPlaying: %d", mConnId, *state); 893 return NO_ERROR; 894} 895 896status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 897{ 898 ALOGV("getCurrentPosition"); 899 sp<MediaPlayerBase> p = getPlayer(); 900 if (p == 0) return UNKNOWN_ERROR; 901 status_t ret = p->getCurrentPosition(msec); 902 if (ret == NO_ERROR) { 903 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 904 } else { 905 ALOGE("getCurrentPosition returned %d", ret); 906 } 907 return ret; 908} 909 910status_t MediaPlayerService::Client::getDuration(int *msec) 911{ 912 ALOGV("getDuration"); 913 sp<MediaPlayerBase> p = getPlayer(); 914 if (p == 0) return UNKNOWN_ERROR; 915 status_t ret = p->getDuration(msec); 916 if (ret == NO_ERROR) { 917 ALOGV("[%d] getDuration = %d", mConnId, *msec); 918 } else { 919 ALOGE("getDuration returned %d", ret); 920 } 921 return ret; 922} 923 924status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 925 ALOGV("setNextPlayer"); 926 Mutex::Autolock l(mLock); 927 sp<Client> c = static_cast<Client*>(player.get()); 928 mNextClient = c; 929 930 if (c != NULL) { 931 if (mAudioOutput != NULL) { 932 mAudioOutput->setNextOutput(c->mAudioOutput); 933 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 934 ALOGE("no current audio output"); 935 } 936 937 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 938 mPlayer->setNextPlayer(mNextClient->getPlayer()); 939 } 940 } 941 942 return OK; 943} 944 945status_t MediaPlayerService::Client::seekTo(int msec) 946{ 947 ALOGV("[%d] seekTo(%d)", mConnId, msec); 948 sp<MediaPlayerBase> p = getPlayer(); 949 if (p == 0) return UNKNOWN_ERROR; 950 return p->seekTo(msec); 951} 952 953status_t MediaPlayerService::Client::reset() 954{ 955 ALOGV("[%d] reset", mConnId); 956 mRetransmitEndpointValid = false; 957 sp<MediaPlayerBase> p = getPlayer(); 958 if (p == 0) return UNKNOWN_ERROR; 959 return p->reset(); 960} 961 962status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 963{ 964 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 965 // TODO: for hardware output, call player instead 966 Mutex::Autolock l(mLock); 967 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 968 return NO_ERROR; 969} 970 971status_t MediaPlayerService::Client::setLooping(int loop) 972{ 973 ALOGV("[%d] setLooping(%d)", mConnId, loop); 974 mLoop = loop; 975 sp<MediaPlayerBase> p = getPlayer(); 976 if (p != 0) return p->setLooping(loop); 977 return NO_ERROR; 978} 979 980status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 981{ 982 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 983 984 // for hardware output, call player instead 985 sp<MediaPlayerBase> p = getPlayer(); 986 { 987 Mutex::Autolock l(mLock); 988 if (p != 0 && p->hardwareOutput()) { 989 MediaPlayerHWInterface* hwp = 990 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 991 return hwp->setVolume(leftVolume, rightVolume); 992 } else { 993 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 994 return NO_ERROR; 995 } 996 } 997 998 return NO_ERROR; 999} 1000 1001status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1002{ 1003 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1004 Mutex::Autolock l(mLock); 1005 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1006 return NO_ERROR; 1007} 1008 1009status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1010{ 1011 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1012 Mutex::Autolock l(mLock); 1013 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1014 return NO_ERROR; 1015} 1016 1017status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1018 ALOGV("[%d] setParameter(%d)", mConnId, key); 1019 sp<MediaPlayerBase> p = getPlayer(); 1020 if (p == 0) return UNKNOWN_ERROR; 1021 return p->setParameter(key, request); 1022} 1023 1024status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1025 ALOGV("[%d] getParameter(%d)", mConnId, key); 1026 sp<MediaPlayerBase> p = getPlayer(); 1027 if (p == 0) return UNKNOWN_ERROR; 1028 return p->getParameter(key, reply); 1029} 1030 1031status_t MediaPlayerService::Client::setRetransmitEndpoint( 1032 const struct sockaddr_in* endpoint) { 1033 1034 if (NULL != endpoint) { 1035 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1036 uint16_t p = ntohs(endpoint->sin_port); 1037 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1038 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1039 } else { 1040 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1041 } 1042 1043 sp<MediaPlayerBase> p = getPlayer(); 1044 1045 // Right now, the only valid time to set a retransmit endpoint is before 1046 // player selection has been made (since the presence or absence of a 1047 // retransmit endpoint is going to determine which player is selected during 1048 // setDataSource). 1049 if (p != 0) return INVALID_OPERATION; 1050 1051 if (NULL != endpoint) { 1052 mRetransmitEndpoint = *endpoint; 1053 mRetransmitEndpointValid = true; 1054 } else { 1055 mRetransmitEndpointValid = false; 1056 } 1057 1058 return NO_ERROR; 1059} 1060 1061status_t MediaPlayerService::Client::getRetransmitEndpoint( 1062 struct sockaddr_in* endpoint) 1063{ 1064 if (NULL == endpoint) 1065 return BAD_VALUE; 1066 1067 sp<MediaPlayerBase> p = getPlayer(); 1068 1069 if (p != NULL) 1070 return p->getRetransmitEndpoint(endpoint); 1071 1072 if (!mRetransmitEndpointValid) 1073 return NO_INIT; 1074 1075 *endpoint = mRetransmitEndpoint; 1076 1077 return NO_ERROR; 1078} 1079 1080void MediaPlayerService::Client::notify( 1081 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1082{ 1083 Client* client = static_cast<Client*>(cookie); 1084 if (client == NULL) { 1085 return; 1086 } 1087 1088 sp<IMediaPlayerClient> c; 1089 { 1090 Mutex::Autolock l(client->mLock); 1091 c = client->mClient; 1092 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1093 if (client->mAudioOutput != NULL) 1094 client->mAudioOutput->switchToNextOutput(); 1095 client->mNextClient->start(); 1096 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1097 } 1098 } 1099 1100 if (MEDIA_INFO == msg && 1101 MEDIA_INFO_METADATA_UPDATE == ext1) { 1102 const media::Metadata::Type metadata_type = ext2; 1103 1104 if(client->shouldDropMetadata(metadata_type)) { 1105 return; 1106 } 1107 1108 // Update the list of metadata that have changed. getMetadata 1109 // also access mMetadataUpdated and clears it. 1110 client->addNewMetadataUpdate(metadata_type); 1111 } 1112 1113 if (c != NULL) { 1114 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1115 c->notify(msg, ext1, ext2, obj); 1116 } 1117} 1118 1119 1120bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1121{ 1122 Mutex::Autolock lock(mLock); 1123 1124 if (findMetadata(mMetadataDrop, code)) { 1125 return true; 1126 } 1127 1128 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1129 return false; 1130 } else { 1131 return true; 1132 } 1133} 1134 1135 1136void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1137 Mutex::Autolock lock(mLock); 1138 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1139 mMetadataUpdated.add(metadata_type); 1140 } 1141} 1142 1143#if CALLBACK_ANTAGONIZER 1144const int Antagonizer::interval = 10000; // 10 msecs 1145 1146Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1147 mExit(false), mActive(false), mClient(client), mCb(cb) 1148{ 1149 createThread(callbackThread, this); 1150} 1151 1152void Antagonizer::kill() 1153{ 1154 Mutex::Autolock _l(mLock); 1155 mActive = false; 1156 mExit = true; 1157 mCondition.wait(mLock); 1158} 1159 1160int Antagonizer::callbackThread(void* user) 1161{ 1162 ALOGD("Antagonizer started"); 1163 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1164 while (!p->mExit) { 1165 if (p->mActive) { 1166 ALOGV("send event"); 1167 p->mCb(p->mClient, 0, 0, 0); 1168 } 1169 usleep(interval); 1170 } 1171 Mutex::Autolock _l(p->mLock); 1172 p->mCondition.signal(); 1173 ALOGD("Antagonizer stopped"); 1174 return 0; 1175} 1176#endif 1177 1178status_t MediaPlayerService::decode( 1179 const sp<IMediaHTTPService> &httpService, 1180 const char* url, 1181 uint32_t *pSampleRate, 1182 int* pNumChannels, 1183 audio_format_t* pFormat, 1184 const sp<IMemoryHeap>& heap, 1185 size_t *pSize) 1186{ 1187 ALOGV("decode(%s)", url); 1188 sp<MediaPlayerBase> player; 1189 status_t status = BAD_VALUE; 1190 1191 // Protect our precious, precious DRMd ringtones by only allowing 1192 // decoding of http, but not filesystem paths or content Uris. 1193 // If the application wants to decode those, it should open a 1194 // filedescriptor for them and use that. 1195 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1196 ALOGD("Can't decode %s by path, use filedescriptor instead", url); 1197 return BAD_VALUE; 1198 } 1199 1200 player_type playerType = 1201 MediaPlayerFactory::getPlayerType(NULL /* client */, url); 1202 ALOGV("player type = %d", playerType); 1203 1204 // create the right type of player 1205 sp<AudioCache> cache = new AudioCache(heap); 1206 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1207 if (player == NULL) goto Exit; 1208 if (player->hardwareOutput()) goto Exit; 1209 1210 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1211 1212 // set data source 1213 if (player->setDataSource(httpService, url) != NO_ERROR) goto Exit; 1214 1215 ALOGV("prepare"); 1216 player->prepareAsync(); 1217 1218 ALOGV("wait for prepare"); 1219 if (cache->wait() != NO_ERROR) goto Exit; 1220 1221 ALOGV("start"); 1222 player->start(); 1223 1224 ALOGV("wait for playback complete"); 1225 cache->wait(); 1226 // in case of error, return what was successfully decoded. 1227 if (cache->size() == 0) { 1228 goto Exit; 1229 } 1230 1231 *pSize = cache->size(); 1232 *pSampleRate = cache->sampleRate(); 1233 *pNumChannels = cache->channelCount(); 1234 *pFormat = cache->format(); 1235 ALOGV("return size %d sampleRate=%u, channelCount = %d, format = %d", 1236 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1237 status = NO_ERROR; 1238 1239Exit: 1240 if (player != 0) player->reset(); 1241 return status; 1242} 1243 1244status_t MediaPlayerService::decode(int fd, int64_t offset, int64_t length, 1245 uint32_t *pSampleRate, int* pNumChannels, 1246 audio_format_t* pFormat, 1247 const sp<IMemoryHeap>& heap, size_t *pSize) 1248{ 1249 ALOGV("decode(%d, %lld, %lld)", fd, offset, length); 1250 sp<MediaPlayerBase> player; 1251 status_t status = BAD_VALUE; 1252 1253 player_type playerType = MediaPlayerFactory::getPlayerType(NULL /* client */, 1254 fd, 1255 offset, 1256 length); 1257 ALOGV("player type = %d", playerType); 1258 1259 // create the right type of player 1260 sp<AudioCache> cache = new AudioCache(heap); 1261 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1262 if (player == NULL) goto Exit; 1263 if (player->hardwareOutput()) goto Exit; 1264 1265 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1266 1267 // set data source 1268 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1269 1270 ALOGV("prepare"); 1271 player->prepareAsync(); 1272 1273 ALOGV("wait for prepare"); 1274 if (cache->wait() != NO_ERROR) goto Exit; 1275 1276 ALOGV("start"); 1277 player->start(); 1278 1279 ALOGV("wait for playback complete"); 1280 cache->wait(); 1281 // in case of error, return what was successfully decoded. 1282 if (cache->size() == 0) { 1283 goto Exit; 1284 } 1285 1286 *pSize = cache->size(); 1287 *pSampleRate = cache->sampleRate(); 1288 *pNumChannels = cache->channelCount(); 1289 *pFormat = cache->format(); 1290 ALOGV("return size %d, sampleRate=%u, channelCount = %d, format = %d", 1291 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1292 status = NO_ERROR; 1293 1294Exit: 1295 if (player != 0) player->reset(); 1296 ::close(fd); 1297 return status; 1298} 1299 1300 1301#undef LOG_TAG 1302#define LOG_TAG "AudioSink" 1303MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid, int pid) 1304 : mCallback(NULL), 1305 mCallbackCookie(NULL), 1306 mCallbackData(NULL), 1307 mBytesWritten(0), 1308 mSessionId(sessionId), 1309 mUid(uid), 1310 mPid(pid), 1311 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1312 ALOGV("AudioOutput(%d)", sessionId); 1313 mStreamType = AUDIO_STREAM_MUSIC; 1314 mLeftVolume = 1.0; 1315 mRightVolume = 1.0; 1316 mPlaybackRatePermille = 1000; 1317 mSampleRateHz = 0; 1318 mMsecsPerFrame = 0; 1319 mAuxEffectId = 0; 1320 mSendLevel = 0.0; 1321 setMinBufferCount(); 1322} 1323 1324MediaPlayerService::AudioOutput::~AudioOutput() 1325{ 1326 close(); 1327 delete mCallbackData; 1328} 1329 1330void MediaPlayerService::AudioOutput::setMinBufferCount() 1331{ 1332 char value[PROPERTY_VALUE_MAX]; 1333 if (property_get("ro.kernel.qemu", value, 0)) { 1334 mIsOnEmulator = true; 1335 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1336 } 1337} 1338 1339bool MediaPlayerService::AudioOutput::isOnEmulator() 1340{ 1341 setMinBufferCount(); 1342 return mIsOnEmulator; 1343} 1344 1345int MediaPlayerService::AudioOutput::getMinBufferCount() 1346{ 1347 setMinBufferCount(); 1348 return mMinBufferCount; 1349} 1350 1351ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1352{ 1353 if (mTrack == 0) return NO_INIT; 1354 return mTrack->frameCount() * frameSize(); 1355} 1356 1357ssize_t MediaPlayerService::AudioOutput::frameCount() const 1358{ 1359 if (mTrack == 0) return NO_INIT; 1360 return mTrack->frameCount(); 1361} 1362 1363ssize_t MediaPlayerService::AudioOutput::channelCount() const 1364{ 1365 if (mTrack == 0) return NO_INIT; 1366 return mTrack->channelCount(); 1367} 1368 1369ssize_t MediaPlayerService::AudioOutput::frameSize() const 1370{ 1371 if (mTrack == 0) return NO_INIT; 1372 return mTrack->frameSize(); 1373} 1374 1375uint32_t MediaPlayerService::AudioOutput::latency () const 1376{ 1377 if (mTrack == 0) return 0; 1378 return mTrack->latency(); 1379} 1380 1381float MediaPlayerService::AudioOutput::msecsPerFrame() const 1382{ 1383 return mMsecsPerFrame; 1384} 1385 1386status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1387{ 1388 if (mTrack == 0) return NO_INIT; 1389 return mTrack->getPosition(position); 1390} 1391 1392status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1393{ 1394 if (mTrack == 0) return NO_INIT; 1395 *frameswritten = mBytesWritten / frameSize(); 1396 return OK; 1397} 1398 1399status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1400{ 1401 if (mTrack == 0) return NO_INIT; 1402 return mTrack->setParameters(keyValuePairs); 1403} 1404 1405String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1406{ 1407 if (mTrack == 0) return String8::empty(); 1408 return mTrack->getParameters(keys); 1409} 1410 1411void MediaPlayerService::AudioOutput::deleteRecycledTrack() 1412{ 1413 ALOGV("deleteRecycledTrack"); 1414 1415 if (mRecycledTrack != 0) { 1416 1417 if (mCallbackData != NULL) { 1418 mCallbackData->setOutput(NULL); 1419 mCallbackData->endTrackSwitch(); 1420 } 1421 1422 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1423 mRecycledTrack->flush(); 1424 } 1425 // An offloaded track isn't flushed because the STREAM_END is reported 1426 // slightly prematurely to allow time for the gapless track switch 1427 // but this means that if we decide not to recycle the track there 1428 // could be a small amount of residual data still playing. We leave 1429 // AudioFlinger to drain the track. 1430 1431 mRecycledTrack.clear(); 1432 delete mCallbackData; 1433 mCallbackData = NULL; 1434 close(); 1435 } 1436} 1437 1438status_t MediaPlayerService::AudioOutput::open( 1439 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1440 audio_format_t format, int bufferCount, 1441 AudioCallback cb, void *cookie, 1442 audio_output_flags_t flags, 1443 const audio_offload_info_t *offloadInfo) 1444{ 1445 mCallback = cb; 1446 mCallbackCookie = cookie; 1447 1448 // Check argument "bufferCount" against the mininum buffer count 1449 if (bufferCount < mMinBufferCount) { 1450 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1451 bufferCount = mMinBufferCount; 1452 1453 } 1454 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1455 format, bufferCount, mSessionId, flags); 1456 uint32_t afSampleRate; 1457 size_t afFrameCount; 1458 size_t frameCount; 1459 1460 // offloading is only supported in callback mode for now. 1461 // offloadInfo must be present if offload flag is set 1462 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1463 ((cb == NULL) || (offloadInfo == NULL))) { 1464 return BAD_VALUE; 1465 } 1466 1467 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1468 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1469 } else { 1470 uint32_t afSampleRate; 1471 size_t afFrameCount; 1472 1473 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1474 return NO_INIT; 1475 } 1476 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1477 return NO_INIT; 1478 } 1479 1480 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1481 } 1482 1483 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1484 channelMask = audio_channel_out_mask_from_count(channelCount); 1485 if (0 == channelMask) { 1486 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1487 return NO_INIT; 1488 } 1489 } 1490 1491 // Check whether we can recycle the track 1492 bool reuse = false; 1493 bool bothOffloaded = false; 1494 1495 if (mRecycledTrack != 0) { 1496 // check whether we are switching between two offloaded tracks 1497 bothOffloaded = (flags & mRecycledTrack->getFlags() 1498 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1499 1500 // check if the existing track can be reused as-is, or if a new track needs to be created. 1501 reuse = true; 1502 1503 if ((mCallbackData == NULL && mCallback != NULL) || 1504 (mCallbackData != NULL && mCallback == NULL)) { 1505 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1506 ALOGV("can't chain callback and write"); 1507 reuse = false; 1508 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1509 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1510 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1511 mRecycledTrack->getSampleRate(), sampleRate, 1512 mRecycledTrack->channelCount(), channelCount); 1513 reuse = false; 1514 } else if (flags != mFlags) { 1515 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1516 reuse = false; 1517 } else if (mRecycledTrack->format() != format) { 1518 reuse = false; 1519 } 1520 } else { 1521 ALOGV("no track available to recycle"); 1522 } 1523 1524 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1525 1526 // If we can't recycle and both tracks are offloaded 1527 // we must close the previous output before opening a new one 1528 if (bothOffloaded && !reuse) { 1529 ALOGV("both offloaded and not recycling"); 1530 deleteRecycledTrack(); 1531 } 1532 1533 sp<AudioTrack> t; 1534 CallbackData *newcbd = NULL; 1535 1536 // We don't attempt to create a new track if we are recycling an 1537 // offloaded track. But, if we are recycling a non-offloaded or we 1538 // are switching where one is offloaded and one isn't then we create 1539 // the new track in advance so that we can read additional stream info 1540 1541 if (!(reuse && bothOffloaded)) { 1542 ALOGV("creating new AudioTrack"); 1543 1544 if (mCallback != NULL) { 1545 newcbd = new CallbackData(this); 1546 t = new AudioTrack( 1547 mStreamType, 1548 sampleRate, 1549 format, 1550 channelMask, 1551 frameCount, 1552 flags, 1553 CallbackWrapper, 1554 newcbd, 1555 0, // notification frames 1556 mSessionId, 1557 AudioTrack::TRANSFER_CALLBACK, 1558 offloadInfo, 1559 mUid, 1560 mPid); 1561 } else { 1562 t = new AudioTrack( 1563 mStreamType, 1564 sampleRate, 1565 format, 1566 channelMask, 1567 frameCount, 1568 flags, 1569 NULL, // callback 1570 NULL, // user data 1571 0, // notification frames 1572 mSessionId, 1573 AudioTrack::TRANSFER_DEFAULT, 1574 NULL, // offload info 1575 mUid, 1576 mPid); 1577 } 1578 1579 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1580 ALOGE("Unable to create audio track"); 1581 delete newcbd; 1582 return NO_INIT; 1583 } 1584 } 1585 1586 if (reuse) { 1587 CHECK(mRecycledTrack != NULL); 1588 1589 if (!bothOffloaded) { 1590 if (mRecycledTrack->frameCount() != t->frameCount()) { 1591 ALOGV("framecount differs: %u/%u frames", 1592 mRecycledTrack->frameCount(), t->frameCount()); 1593 reuse = false; 1594 } 1595 } 1596 1597 if (reuse) { 1598 ALOGV("chaining to next output and recycling track"); 1599 close(); 1600 mTrack = mRecycledTrack; 1601 mRecycledTrack.clear(); 1602 if (mCallbackData != NULL) { 1603 mCallbackData->setOutput(this); 1604 } 1605 delete newcbd; 1606 return OK; 1607 } 1608 } 1609 1610 // we're not going to reuse the track, unblock and flush it 1611 // this was done earlier if both tracks are offloaded 1612 if (!bothOffloaded) { 1613 deleteRecycledTrack(); 1614 } 1615 1616 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 1617 1618 mCallbackData = newcbd; 1619 ALOGV("setVolume"); 1620 t->setVolume(mLeftVolume, mRightVolume); 1621 1622 mSampleRateHz = sampleRate; 1623 mFlags = flags; 1624 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1625 uint32_t pos; 1626 if (t->getPosition(&pos) == OK) { 1627 mBytesWritten = uint64_t(pos) * t->frameSize(); 1628 } 1629 mTrack = t; 1630 1631 status_t res = NO_ERROR; 1632 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1633 res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1634 if (res == NO_ERROR) { 1635 t->setAuxEffectSendLevel(mSendLevel); 1636 res = t->attachAuxEffect(mAuxEffectId); 1637 } 1638 } 1639 ALOGV("open() DONE status %d", res); 1640 return res; 1641} 1642 1643status_t MediaPlayerService::AudioOutput::start() 1644{ 1645 ALOGV("start"); 1646 if (mCallbackData != NULL) { 1647 mCallbackData->endTrackSwitch(); 1648 } 1649 if (mTrack != 0) { 1650 mTrack->setVolume(mLeftVolume, mRightVolume); 1651 mTrack->setAuxEffectSendLevel(mSendLevel); 1652 return mTrack->start(); 1653 } 1654 return NO_INIT; 1655} 1656 1657void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1658 mNextOutput = nextOutput; 1659} 1660 1661 1662void MediaPlayerService::AudioOutput::switchToNextOutput() { 1663 ALOGV("switchToNextOutput"); 1664 if (mNextOutput != NULL) { 1665 if (mCallbackData != NULL) { 1666 mCallbackData->beginTrackSwitch(); 1667 } 1668 delete mNextOutput->mCallbackData; 1669 mNextOutput->mCallbackData = mCallbackData; 1670 mCallbackData = NULL; 1671 mNextOutput->mRecycledTrack = mTrack; 1672 mTrack.clear(); 1673 mNextOutput->mSampleRateHz = mSampleRateHz; 1674 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1675 mNextOutput->mBytesWritten = mBytesWritten; 1676 mNextOutput->mFlags = mFlags; 1677 } 1678} 1679 1680ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1681{ 1682 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1683 1684 //ALOGV("write(%p, %u)", buffer, size); 1685 if (mTrack != 0) { 1686 ssize_t ret = mTrack->write(buffer, size); 1687 mBytesWritten += ret; 1688 return ret; 1689 } 1690 return NO_INIT; 1691} 1692 1693void MediaPlayerService::AudioOutput::stop() 1694{ 1695 ALOGV("stop"); 1696 if (mTrack != 0) mTrack->stop(); 1697} 1698 1699void MediaPlayerService::AudioOutput::flush() 1700{ 1701 ALOGV("flush"); 1702 if (mTrack != 0) mTrack->flush(); 1703} 1704 1705void MediaPlayerService::AudioOutput::pause() 1706{ 1707 ALOGV("pause"); 1708 if (mTrack != 0) mTrack->pause(); 1709} 1710 1711void MediaPlayerService::AudioOutput::close() 1712{ 1713 ALOGV("close"); 1714 mTrack.clear(); 1715} 1716 1717void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1718{ 1719 ALOGV("setVolume(%f, %f)", left, right); 1720 mLeftVolume = left; 1721 mRightVolume = right; 1722 if (mTrack != 0) { 1723 mTrack->setVolume(left, right); 1724 } 1725} 1726 1727status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1728{ 1729 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1730 status_t res = NO_ERROR; 1731 if (mTrack != 0) { 1732 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1733 } else { 1734 res = NO_INIT; 1735 } 1736 mPlaybackRatePermille = ratePermille; 1737 if (mSampleRateHz != 0) { 1738 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1739 } 1740 return res; 1741} 1742 1743status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1744{ 1745 ALOGV("setAuxEffectSendLevel(%f)", level); 1746 mSendLevel = level; 1747 if (mTrack != 0) { 1748 return mTrack->setAuxEffectSendLevel(level); 1749 } 1750 return NO_ERROR; 1751} 1752 1753status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1754{ 1755 ALOGV("attachAuxEffect(%d)", effectId); 1756 mAuxEffectId = effectId; 1757 if (mTrack != 0) { 1758 return mTrack->attachAuxEffect(effectId); 1759 } 1760 return NO_ERROR; 1761} 1762 1763// static 1764void MediaPlayerService::AudioOutput::CallbackWrapper( 1765 int event, void *cookie, void *info) { 1766 //ALOGV("callbackwrapper"); 1767 CallbackData *data = (CallbackData*)cookie; 1768 data->lock(); 1769 AudioOutput *me = data->getOutput(); 1770 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1771 if (me == NULL) { 1772 // no output set, likely because the track was scheduled to be reused 1773 // by another player, but the format turned out to be incompatible. 1774 data->unlock(); 1775 if (buffer != NULL) { 1776 buffer->size = 0; 1777 } 1778 return; 1779 } 1780 1781 switch(event) { 1782 case AudioTrack::EVENT_MORE_DATA: { 1783 size_t actualSize = (*me->mCallback)( 1784 me, buffer->raw, buffer->size, me->mCallbackCookie, 1785 CB_EVENT_FILL_BUFFER); 1786 1787 if (actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1788 // We've reached EOS but the audio track is not stopped yet, 1789 // keep playing silence. 1790 1791 memset(buffer->raw, 0, buffer->size); 1792 actualSize = buffer->size; 1793 } 1794 1795 buffer->size = actualSize; 1796 } break; 1797 1798 1799 case AudioTrack::EVENT_STREAM_END: 1800 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 1801 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1802 me->mCallbackCookie, CB_EVENT_STREAM_END); 1803 break; 1804 1805 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 1806 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 1807 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1808 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 1809 break; 1810 1811 default: 1812 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 1813 } 1814 1815 data->unlock(); 1816} 1817 1818int MediaPlayerService::AudioOutput::getSessionId() const 1819{ 1820 return mSessionId; 1821} 1822 1823uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 1824{ 1825 if (mTrack == 0) return 0; 1826 return mTrack->getSampleRate(); 1827} 1828 1829#undef LOG_TAG 1830#define LOG_TAG "AudioCache" 1831MediaPlayerService::AudioCache::AudioCache(const sp<IMemoryHeap>& heap) : 1832 mHeap(heap), mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1833 mError(NO_ERROR), mCommandComplete(false) 1834{ 1835} 1836 1837uint32_t MediaPlayerService::AudioCache::latency () const 1838{ 1839 return 0; 1840} 1841 1842float MediaPlayerService::AudioCache::msecsPerFrame() const 1843{ 1844 return mMsecsPerFrame; 1845} 1846 1847status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) const 1848{ 1849 if (position == 0) return BAD_VALUE; 1850 *position = mSize; 1851 return NO_ERROR; 1852} 1853 1854status_t MediaPlayerService::AudioCache::getFramesWritten(uint32_t *written) const 1855{ 1856 if (written == 0) return BAD_VALUE; 1857 *written = mSize; 1858 return NO_ERROR; 1859} 1860 1861//////////////////////////////////////////////////////////////////////////////// 1862 1863struct CallbackThread : public Thread { 1864 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1865 MediaPlayerBase::AudioSink::AudioCallback cb, 1866 void *cookie); 1867 1868protected: 1869 virtual ~CallbackThread(); 1870 1871 virtual bool threadLoop(); 1872 1873private: 1874 wp<MediaPlayerBase::AudioSink> mSink; 1875 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1876 void *mCookie; 1877 void *mBuffer; 1878 size_t mBufferSize; 1879 1880 CallbackThread(const CallbackThread &); 1881 CallbackThread &operator=(const CallbackThread &); 1882}; 1883 1884CallbackThread::CallbackThread( 1885 const wp<MediaPlayerBase::AudioSink> &sink, 1886 MediaPlayerBase::AudioSink::AudioCallback cb, 1887 void *cookie) 1888 : mSink(sink), 1889 mCallback(cb), 1890 mCookie(cookie), 1891 mBuffer(NULL), 1892 mBufferSize(0) { 1893} 1894 1895CallbackThread::~CallbackThread() { 1896 if (mBuffer) { 1897 free(mBuffer); 1898 mBuffer = NULL; 1899 } 1900} 1901 1902bool CallbackThread::threadLoop() { 1903 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1904 if (sink == NULL) { 1905 return false; 1906 } 1907 1908 if (mBuffer == NULL) { 1909 mBufferSize = sink->bufferSize(); 1910 mBuffer = malloc(mBufferSize); 1911 } 1912 1913 size_t actualSize = 1914 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 1915 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 1916 1917 if (actualSize > 0) { 1918 sink->write(mBuffer, actualSize); 1919 } 1920 1921 return true; 1922} 1923 1924//////////////////////////////////////////////////////////////////////////////// 1925 1926status_t MediaPlayerService::AudioCache::open( 1927 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1928 audio_format_t format, int bufferCount, 1929 AudioCallback cb, void *cookie, audio_output_flags_t flags, 1930 const audio_offload_info_t *offloadInfo) 1931{ 1932 ALOGV("open(%u, %d, 0x%x, %d, %d)", sampleRate, channelCount, channelMask, format, bufferCount); 1933 if (mHeap->getHeapID() < 0) { 1934 return NO_INIT; 1935 } 1936 1937 mSampleRate = sampleRate; 1938 mChannelCount = (uint16_t)channelCount; 1939 mFormat = format; 1940 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1941 1942 if (cb != NULL) { 1943 mCallbackThread = new CallbackThread(this, cb, cookie); 1944 } 1945 return NO_ERROR; 1946} 1947 1948status_t MediaPlayerService::AudioCache::start() { 1949 if (mCallbackThread != NULL) { 1950 mCallbackThread->run("AudioCache callback"); 1951 } 1952 return NO_ERROR; 1953} 1954 1955void MediaPlayerService::AudioCache::stop() { 1956 if (mCallbackThread != NULL) { 1957 mCallbackThread->requestExitAndWait(); 1958 } 1959} 1960 1961ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1962{ 1963 ALOGV("write(%p, %u)", buffer, size); 1964 if ((buffer == 0) || (size == 0)) return size; 1965 1966 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1967 if (p == NULL) return NO_INIT; 1968 p += mSize; 1969 ALOGV("memcpy(%p, %p, %u)", p, buffer, size); 1970 if (mSize + size > mHeap->getSize()) { 1971 ALOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1972 size = mHeap->getSize() - mSize; 1973 } 1974 memcpy(p, buffer, size); 1975 mSize += size; 1976 return size; 1977} 1978 1979// call with lock held 1980status_t MediaPlayerService::AudioCache::wait() 1981{ 1982 Mutex::Autolock lock(mLock); 1983 while (!mCommandComplete) { 1984 mSignal.wait(mLock); 1985 } 1986 mCommandComplete = false; 1987 1988 if (mError == NO_ERROR) { 1989 ALOGV("wait - success"); 1990 } else { 1991 ALOGV("wait - error"); 1992 } 1993 return mError; 1994} 1995 1996void MediaPlayerService::AudioCache::notify( 1997 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1998{ 1999 ALOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 2000 AudioCache* p = static_cast<AudioCache*>(cookie); 2001 2002 // ignore buffering messages 2003 switch (msg) 2004 { 2005 case MEDIA_ERROR: 2006 ALOGE("Error %d, %d occurred", ext1, ext2); 2007 p->mError = ext1; 2008 break; 2009 case MEDIA_PREPARED: 2010 ALOGV("prepared"); 2011 break; 2012 case MEDIA_PLAYBACK_COMPLETE: 2013 ALOGV("playback complete"); 2014 break; 2015 default: 2016 ALOGV("ignored"); 2017 return; 2018 } 2019 2020 // wake up thread 2021 Mutex::Autolock lock(p->mLock); 2022 p->mCommandComplete = true; 2023 p->mSignal.signal(); 2024} 2025 2026int MediaPlayerService::AudioCache::getSessionId() const 2027{ 2028 return 0; 2029} 2030 2031uint32_t MediaPlayerService::AudioCache::getSampleRate() const 2032{ 2033 if (mMsecsPerFrame == 0) { 2034 return 0; 2035 } 2036 return (uint32_t)(1.e3 / mMsecsPerFrame); 2037} 2038 2039void MediaPlayerService::addBatteryData(uint32_t params) 2040{ 2041 Mutex::Autolock lock(mLock); 2042 2043 int32_t time = systemTime() / 1000000L; 2044 2045 // change audio output devices. This notification comes from AudioFlinger 2046 if ((params & kBatteryDataSpeakerOn) 2047 || (params & kBatteryDataOtherAudioDeviceOn)) { 2048 2049 int deviceOn[NUM_AUDIO_DEVICES]; 2050 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2051 deviceOn[i] = 0; 2052 } 2053 2054 if ((params & kBatteryDataSpeakerOn) 2055 && (params & kBatteryDataOtherAudioDeviceOn)) { 2056 deviceOn[SPEAKER_AND_OTHER] = 1; 2057 } else if (params & kBatteryDataSpeakerOn) { 2058 deviceOn[SPEAKER] = 1; 2059 } else { 2060 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2061 } 2062 2063 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2064 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2065 2066 if (mBatteryAudio.refCount > 0) { // if playing audio 2067 if (!deviceOn[i]) { 2068 mBatteryAudio.lastTime[i] += time; 2069 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2070 mBatteryAudio.lastTime[i] = 0; 2071 } else { 2072 mBatteryAudio.lastTime[i] = 0 - time; 2073 } 2074 } 2075 2076 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2077 } 2078 } 2079 return; 2080 } 2081 2082 // an sudio stream is started 2083 if (params & kBatteryDataAudioFlingerStart) { 2084 // record the start time only if currently no other audio 2085 // is being played 2086 if (mBatteryAudio.refCount == 0) { 2087 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2088 if (mBatteryAudio.deviceOn[i]) { 2089 mBatteryAudio.lastTime[i] -= time; 2090 } 2091 } 2092 } 2093 2094 mBatteryAudio.refCount ++; 2095 return; 2096 2097 } else if (params & kBatteryDataAudioFlingerStop) { 2098 if (mBatteryAudio.refCount <= 0) { 2099 ALOGW("Battery track warning: refCount is <= 0"); 2100 return; 2101 } 2102 2103 // record the stop time only if currently this is the only 2104 // audio being played 2105 if (mBatteryAudio.refCount == 1) { 2106 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2107 if (mBatteryAudio.deviceOn[i]) { 2108 mBatteryAudio.lastTime[i] += time; 2109 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2110 mBatteryAudio.lastTime[i] = 0; 2111 } 2112 } 2113 } 2114 2115 mBatteryAudio.refCount --; 2116 return; 2117 } 2118 2119 int uid = IPCThreadState::self()->getCallingUid(); 2120 if (uid == AID_MEDIA) { 2121 return; 2122 } 2123 int index = mBatteryData.indexOfKey(uid); 2124 2125 if (index < 0) { // create a new entry for this UID 2126 BatteryUsageInfo info; 2127 info.audioTotalTime = 0; 2128 info.videoTotalTime = 0; 2129 info.audioLastTime = 0; 2130 info.videoLastTime = 0; 2131 info.refCount = 0; 2132 2133 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2134 ALOGE("Battery track error: no memory for new app"); 2135 return; 2136 } 2137 } 2138 2139 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2140 2141 if (params & kBatteryDataCodecStarted) { 2142 if (params & kBatteryDataTrackAudio) { 2143 info.audioLastTime -= time; 2144 info.refCount ++; 2145 } 2146 if (params & kBatteryDataTrackVideo) { 2147 info.videoLastTime -= time; 2148 info.refCount ++; 2149 } 2150 } else { 2151 if (info.refCount == 0) { 2152 ALOGW("Battery track warning: refCount is already 0"); 2153 return; 2154 } else if (info.refCount < 0) { 2155 ALOGE("Battery track error: refCount < 0"); 2156 mBatteryData.removeItem(uid); 2157 return; 2158 } 2159 2160 if (params & kBatteryDataTrackAudio) { 2161 info.audioLastTime += time; 2162 info.refCount --; 2163 } 2164 if (params & kBatteryDataTrackVideo) { 2165 info.videoLastTime += time; 2166 info.refCount --; 2167 } 2168 2169 // no stream is being played by this UID 2170 if (info.refCount == 0) { 2171 info.audioTotalTime += info.audioLastTime; 2172 info.audioLastTime = 0; 2173 info.videoTotalTime += info.videoLastTime; 2174 info.videoLastTime = 0; 2175 } 2176 } 2177} 2178 2179status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2180 Mutex::Autolock lock(mLock); 2181 2182 // audio output devices usage 2183 int32_t time = systemTime() / 1000000L; //in ms 2184 int32_t totalTime; 2185 2186 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2187 totalTime = mBatteryAudio.totalTime[i]; 2188 2189 if (mBatteryAudio.deviceOn[i] 2190 && (mBatteryAudio.lastTime[i] != 0)) { 2191 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2192 totalTime += tmpTime; 2193 } 2194 2195 reply->writeInt32(totalTime); 2196 // reset the total time 2197 mBatteryAudio.totalTime[i] = 0; 2198 } 2199 2200 // codec usage 2201 BatteryUsageInfo info; 2202 int size = mBatteryData.size(); 2203 2204 reply->writeInt32(size); 2205 int i = 0; 2206 2207 while (i < size) { 2208 info = mBatteryData.valueAt(i); 2209 2210 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2211 reply->writeInt32(info.audioTotalTime); 2212 reply->writeInt32(info.videoTotalTime); 2213 2214 info.audioTotalTime = 0; 2215 info.videoTotalTime = 0; 2216 2217 // remove the UID entry where no stream is being played 2218 if (info.refCount <= 0) { 2219 mBatteryData.removeItemsAt(i); 2220 size --; 2221 i --; 2222 } 2223 i++; 2224 } 2225 return NO_ERROR; 2226} 2227} // namespace android 2228