MediaPlayerService.cpp revision 282841278723166e74039329ca56e444ad472daf
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/IRemoteDisplay.h> 48#include <media/IRemoteDisplayClient.h> 49#include <media/MediaPlayerInterface.h> 50#include <media/mediarecorder.h> 51#include <media/MediaMetadataRetrieverInterface.h> 52#include <media/Metadata.h> 53#include <media/AudioTrack.h> 54#include <media/MemoryLeakTrackUtil.h> 55#include <media/stagefright/MediaErrors.h> 56#include <media/stagefright/AudioPlayer.h> 57#include <media/stagefright/foundation/ADebug.h> 58 59#include <system/audio.h> 60 61#include <private/android_filesystem_config.h> 62 63#include "ActivityManager.h" 64#include "MediaRecorderClient.h" 65#include "MediaPlayerService.h" 66#include "MetadataRetrieverClient.h" 67#include "MediaPlayerFactory.h" 68 69#include "MidiFile.h" 70#include "TestPlayerStub.h" 71#include "StagefrightPlayer.h" 72#include "nuplayer/NuPlayerDriver.h" 73 74#include <OMX.h> 75 76#include "Crypto.h" 77#include "Drm.h" 78#include "HDCP.h" 79#include "HTTPBase.h" 80#include "RemoteDisplay.h" 81 82namespace { 83using android::media::Metadata; 84using android::status_t; 85using android::OK; 86using android::BAD_VALUE; 87using android::NOT_ENOUGH_DATA; 88using android::Parcel; 89 90// Max number of entries in the filter. 91const int kMaxFilterSize = 64; // I pulled that out of thin air. 92 93// FIXME: Move all the metadata related function in the Metadata.cpp 94 95 96// Unmarshall a filter from a Parcel. 97// Filter format in a parcel: 98// 99// 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 1 100// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 101// | number of entries (n) | 102// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 103// | metadata type 1 | 104// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 105// | metadata type 2 | 106// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107// .... 108// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 109// | metadata type n | 110// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 111// 112// @param p Parcel that should start with a filter. 113// @param[out] filter On exit contains the list of metadata type to be 114// filtered. 115// @param[out] status On exit contains the status code to be returned. 116// @return true if the parcel starts with a valid filter. 117bool unmarshallFilter(const Parcel& p, 118 Metadata::Filter *filter, 119 status_t *status) 120{ 121 int32_t val; 122 if (p.readInt32(&val) != OK) 123 { 124 ALOGE("Failed to read filter's length"); 125 *status = NOT_ENOUGH_DATA; 126 return false; 127 } 128 129 if( val > kMaxFilterSize || val < 0) 130 { 131 ALOGE("Invalid filter len %d", val); 132 *status = BAD_VALUE; 133 return false; 134 } 135 136 const size_t num = val; 137 138 filter->clear(); 139 filter->setCapacity(num); 140 141 size_t size = num * sizeof(Metadata::Type); 142 143 144 if (p.dataAvail() < size) 145 { 146 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 147 *status = NOT_ENOUGH_DATA; 148 return false; 149 } 150 151 const Metadata::Type *data = 152 static_cast<const Metadata::Type*>(p.readInplace(size)); 153 154 if (NULL == data) 155 { 156 ALOGE("Filter had no data"); 157 *status = BAD_VALUE; 158 return false; 159 } 160 161 // TODO: The stl impl of vector would be more efficient here 162 // because it degenerates into a memcpy on pod types. Try to 163 // replace later or use stl::set. 164 for (size_t i = 0; i < num; ++i) 165 { 166 filter->add(*data); 167 ++data; 168 } 169 *status = OK; 170 return true; 171} 172 173// @param filter Of metadata type. 174// @param val To be searched. 175// @return true if a match was found. 176bool findMetadata(const Metadata::Filter& filter, const int32_t val) 177{ 178 // Deal with empty and ANY right away 179 if (filter.isEmpty()) return false; 180 if (filter[0] == Metadata::kAny) return true; 181 182 return filter.indexOf(val) >= 0; 183} 184 185} // anonymous namespace 186 187 188namespace android { 189 190static bool checkPermission(const char* permissionString) { 191#ifndef HAVE_ANDROID_OS 192 return true; 193#endif 194 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 195 bool ok = checkCallingPermission(String16(permissionString)); 196 if (!ok) ALOGE("Request requires %s", permissionString); 197 return ok; 198} 199 200// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 201/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 202/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 203 204void MediaPlayerService::instantiate() { 205 defaultServiceManager()->addService( 206 String16("media.player"), new MediaPlayerService()); 207} 208 209MediaPlayerService::MediaPlayerService() 210{ 211 ALOGV("MediaPlayerService created"); 212 mNextConnId = 1; 213 214 mBatteryAudio.refCount = 0; 215 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 216 mBatteryAudio.deviceOn[i] = 0; 217 mBatteryAudio.lastTime[i] = 0; 218 mBatteryAudio.totalTime[i] = 0; 219 } 220 // speaker is on by default 221 mBatteryAudio.deviceOn[SPEAKER] = 1; 222 223 MediaPlayerFactory::registerBuiltinFactories(); 224} 225 226MediaPlayerService::~MediaPlayerService() 227{ 228 ALOGV("MediaPlayerService destroyed"); 229} 230 231sp<IMediaRecorder> MediaPlayerService::createMediaRecorder() 232{ 233 pid_t pid = IPCThreadState::self()->getCallingPid(); 234 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 235 wp<MediaRecorderClient> w = recorder; 236 Mutex::Autolock lock(mLock); 237 mMediaRecorderClients.add(w); 238 ALOGV("Create new media recorder client from pid %d", pid); 239 return recorder; 240} 241 242void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 243{ 244 Mutex::Autolock lock(mLock); 245 mMediaRecorderClients.remove(client); 246 ALOGV("Delete media recorder client"); 247} 248 249sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 250{ 251 pid_t pid = IPCThreadState::self()->getCallingPid(); 252 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 253 ALOGV("Create new media retriever from pid %d", pid); 254 return retriever; 255} 256 257sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 258 int audioSessionId) 259{ 260 pid_t pid = IPCThreadState::self()->getCallingPid(); 261 int32_t connId = android_atomic_inc(&mNextConnId); 262 263 sp<Client> c = new Client( 264 this, pid, connId, client, audioSessionId, 265 IPCThreadState::self()->getCallingUid()); 266 267 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 268 IPCThreadState::self()->getCallingUid()); 269 270 wp<Client> w = c; 271 { 272 Mutex::Autolock lock(mLock); 273 mClients.add(w); 274 } 275 return c; 276} 277 278sp<IOMX> MediaPlayerService::getOMX() { 279 Mutex::Autolock autoLock(mLock); 280 281 if (mOMX.get() == NULL) { 282 mOMX = new OMX; 283 } 284 285 return mOMX; 286} 287 288sp<ICrypto> MediaPlayerService::makeCrypto() { 289 return new Crypto; 290} 291 292sp<IDrm> MediaPlayerService::makeDrm() { 293 return new Drm; 294} 295 296sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 297 return new HDCP(createEncryptionModule); 298} 299 300sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 301 const sp<IRemoteDisplayClient>& client, const String8& iface) { 302 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 303 return NULL; 304 } 305 306 return new RemoteDisplay(client, iface.string()); 307} 308 309status_t MediaPlayerService::updateProxyConfig( 310 const char *host, int32_t port, const char *exclusionList) { 311 return HTTPBase::UpdateProxyConfig(host, port, exclusionList); 312} 313 314status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 315{ 316 const size_t SIZE = 256; 317 char buffer[SIZE]; 318 String8 result; 319 320 result.append(" AudioCache\n"); 321 if (mHeap != 0) { 322 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d)\n", 323 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags()); 324 result.append(buffer); 325 } 326 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%zd)\n", 327 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 328 result.append(buffer); 329 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 330 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 331 result.append(buffer); 332 ::write(fd, result.string(), result.size()); 333 return NO_ERROR; 334} 335 336status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 337{ 338 const size_t SIZE = 256; 339 char buffer[SIZE]; 340 String8 result; 341 342 result.append(" AudioOutput\n"); 343 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 344 mStreamType, mLeftVolume, mRightVolume); 345 result.append(buffer); 346 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 347 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 348 result.append(buffer); 349 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 350 mAuxEffectId, mSendLevel); 351 result.append(buffer); 352 353 ::write(fd, result.string(), result.size()); 354 if (mTrack != 0) { 355 mTrack->dump(fd, args); 356 } 357 return NO_ERROR; 358} 359 360status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 361{ 362 const size_t SIZE = 256; 363 char buffer[SIZE]; 364 String8 result; 365 result.append(" Client\n"); 366 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 367 mPid, mConnId, mStatus, mLoop?"true": "false"); 368 result.append(buffer); 369 write(fd, result.string(), result.size()); 370 if (mPlayer != NULL) { 371 mPlayer->dump(fd, args); 372 } 373 if (mAudioOutput != 0) { 374 mAudioOutput->dump(fd, args); 375 } 376 write(fd, "\n", 1); 377 return NO_ERROR; 378} 379 380status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 381{ 382 const size_t SIZE = 256; 383 char buffer[SIZE]; 384 String8 result; 385 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 386 snprintf(buffer, SIZE, "Permission Denial: " 387 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 388 IPCThreadState::self()->getCallingPid(), 389 IPCThreadState::self()->getCallingUid()); 390 result.append(buffer); 391 } else { 392 Mutex::Autolock lock(mLock); 393 for (int i = 0, n = mClients.size(); i < n; ++i) { 394 sp<Client> c = mClients[i].promote(); 395 if (c != 0) c->dump(fd, args); 396 } 397 if (mMediaRecorderClients.size() == 0) { 398 result.append(" No media recorder client\n\n"); 399 } else { 400 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 401 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 402 if (c != 0) { 403 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 404 result.append(buffer); 405 write(fd, result.string(), result.size()); 406 result = "\n"; 407 c->dump(fd, args); 408 } 409 } 410 } 411 412 result.append(" Files opened and/or mapped:\n"); 413 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 414 FILE *f = fopen(buffer, "r"); 415 if (f) { 416 while (!feof(f)) { 417 fgets(buffer, SIZE, f); 418 if (strstr(buffer, " /storage/") || 419 strstr(buffer, " /system/sounds/") || 420 strstr(buffer, " /data/") || 421 strstr(buffer, " /system/media/")) { 422 result.append(" "); 423 result.append(buffer); 424 } 425 } 426 fclose(f); 427 } else { 428 result.append("couldn't open "); 429 result.append(buffer); 430 result.append("\n"); 431 } 432 433 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 434 DIR *d = opendir(buffer); 435 if (d) { 436 struct dirent *ent; 437 while((ent = readdir(d)) != NULL) { 438 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 439 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 440 struct stat s; 441 if (lstat(buffer, &s) == 0) { 442 if ((s.st_mode & S_IFMT) == S_IFLNK) { 443 char linkto[256]; 444 int len = readlink(buffer, linkto, sizeof(linkto)); 445 if(len > 0) { 446 if(len > 255) { 447 linkto[252] = '.'; 448 linkto[253] = '.'; 449 linkto[254] = '.'; 450 linkto[255] = 0; 451 } else { 452 linkto[len] = 0; 453 } 454 if (strstr(linkto, "/storage/") == linkto || 455 strstr(linkto, "/system/sounds/") == linkto || 456 strstr(linkto, "/data/") == linkto || 457 strstr(linkto, "/system/media/") == linkto) { 458 result.append(" "); 459 result.append(buffer); 460 result.append(" -> "); 461 result.append(linkto); 462 result.append("\n"); 463 } 464 } 465 } else { 466 result.append(" unexpected type for "); 467 result.append(buffer); 468 result.append("\n"); 469 } 470 } 471 } 472 } 473 closedir(d); 474 } else { 475 result.append("couldn't open "); 476 result.append(buffer); 477 result.append("\n"); 478 } 479 480 bool dumpMem = false; 481 for (size_t i = 0; i < args.size(); i++) { 482 if (args[i] == String16("-m")) { 483 dumpMem = true; 484 } 485 } 486 if (dumpMem) { 487 dumpMemoryAddresses(fd); 488 } 489 } 490 write(fd, result.string(), result.size()); 491 return NO_ERROR; 492} 493 494void MediaPlayerService::removeClient(wp<Client> client) 495{ 496 Mutex::Autolock lock(mLock); 497 mClients.remove(client); 498} 499 500bool MediaPlayerService::hasClient(wp<Client> client) 501{ 502 Mutex::Autolock lock(mLock); 503 return mClients.indexOf(client) != NAME_NOT_FOUND; 504} 505 506MediaPlayerService::Client::Client( 507 const sp<MediaPlayerService>& service, pid_t pid, 508 int32_t connId, const sp<IMediaPlayerClient>& client, 509 int audioSessionId, uid_t uid) 510{ 511 ALOGV("Client(%d) constructor", connId); 512 mPid = pid; 513 mConnId = connId; 514 mService = service; 515 mClient = client; 516 mLoop = false; 517 mStatus = NO_INIT; 518 mAudioSessionId = audioSessionId; 519 mUID = uid; 520 mRetransmitEndpointValid = false; 521 522#if CALLBACK_ANTAGONIZER 523 ALOGD("create Antagonizer"); 524 mAntagonizer = new Antagonizer(notify, this); 525#endif 526} 527 528MediaPlayerService::Client::~Client() 529{ 530 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 531 mAudioOutput.clear(); 532 wp<Client> client(this); 533 disconnect(); 534 mService->removeClient(client); 535} 536 537void MediaPlayerService::Client::disconnect() 538{ 539 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 540 // grab local reference and clear main reference to prevent future 541 // access to object 542 sp<MediaPlayerBase> p; 543 { 544 Mutex::Autolock l(mLock); 545 p = mPlayer; 546 mClient.clear(); 547 } 548 549 mPlayer.clear(); 550 551 // clear the notification to prevent callbacks to dead client 552 // and reset the player. We assume the player will serialize 553 // access to itself if necessary. 554 if (p != 0) { 555 p->setNotifyCallback(0, 0); 556#if CALLBACK_ANTAGONIZER 557 ALOGD("kill Antagonizer"); 558 mAntagonizer->kill(); 559#endif 560 p->reset(); 561 } 562 563 disconnectNativeWindow(); 564 565 IPCThreadState::self()->flushCommands(); 566} 567 568sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 569{ 570 // determine if we have the right player type 571 sp<MediaPlayerBase> p = mPlayer; 572 if ((p != NULL) && (p->playerType() != playerType)) { 573 ALOGV("delete player"); 574 p.clear(); 575 } 576 if (p == NULL) { 577 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 578 } 579 580 if (p != NULL) { 581 p->setUID(mUID); 582 } 583 584 return p; 585} 586 587sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 588 player_type playerType) 589{ 590 ALOGV("player type = %d", playerType); 591 592 // create the right type of player 593 sp<MediaPlayerBase> p = createPlayer(playerType); 594 if (p == NULL) { 595 return p; 596 } 597 598 if (!p->hardwareOutput()) { 599 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid()); 600 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 601 } 602 603 return p; 604} 605 606void MediaPlayerService::Client::setDataSource_post( 607 const sp<MediaPlayerBase>& p, 608 status_t status) 609{ 610 ALOGV(" setDataSource"); 611 mStatus = status; 612 if (mStatus != OK) { 613 ALOGE(" error: %d", mStatus); 614 return; 615 } 616 617 // Set the re-transmission endpoint if one was chosen. 618 if (mRetransmitEndpointValid) { 619 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 620 if (mStatus != NO_ERROR) { 621 ALOGE("setRetransmitEndpoint error: %d", mStatus); 622 } 623 } 624 625 if (mStatus == OK) { 626 mPlayer = p; 627 } 628} 629 630status_t MediaPlayerService::Client::setDataSource( 631 const char *url, const KeyedVector<String8, String8> *headers) 632{ 633 ALOGV("setDataSource(%s)", url); 634 if (url == NULL) 635 return UNKNOWN_ERROR; 636 637 if ((strncmp(url, "http://", 7) == 0) || 638 (strncmp(url, "https://", 8) == 0) || 639 (strncmp(url, "rtsp://", 7) == 0)) { 640 if (!checkPermission("android.permission.INTERNET")) { 641 return PERMISSION_DENIED; 642 } 643 } 644 645 if (strncmp(url, "content://", 10) == 0) { 646 // get a filedescriptor for the content Uri and 647 // pass it to the setDataSource(fd) method 648 649 String16 url16(url); 650 int fd = android::openContentProviderFile(url16); 651 if (fd < 0) 652 { 653 ALOGE("Couldn't open fd for %s", url); 654 return UNKNOWN_ERROR; 655 } 656 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 657 close(fd); 658 return mStatus; 659 } else { 660 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 661 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 662 if (p == NULL) { 663 return NO_INIT; 664 } 665 666 setDataSource_post(p, p->setDataSource(url, headers)); 667 return mStatus; 668 } 669} 670 671status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 672{ 673 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 674 struct stat sb; 675 int ret = fstat(fd, &sb); 676 if (ret != 0) { 677 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 678 return UNKNOWN_ERROR; 679 } 680 681 ALOGV("st_dev = %llu", sb.st_dev); 682 ALOGV("st_mode = %u", sb.st_mode); 683 ALOGV("st_uid = %lu", sb.st_uid); 684 ALOGV("st_gid = %lu", sb.st_gid); 685 ALOGV("st_size = %llu", sb.st_size); 686 687 if (offset >= sb.st_size) { 688 ALOGE("offset error"); 689 ::close(fd); 690 return UNKNOWN_ERROR; 691 } 692 if (offset + length > sb.st_size) { 693 length = sb.st_size - offset; 694 ALOGV("calculated length = %lld", length); 695 } 696 697 player_type playerType = MediaPlayerFactory::getPlayerType(this, 698 fd, 699 offset, 700 length); 701 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 702 if (p == NULL) { 703 return NO_INIT; 704 } 705 706 // now set data source 707 setDataSource_post(p, p->setDataSource(fd, offset, length)); 708 return mStatus; 709} 710 711status_t MediaPlayerService::Client::setDataSource( 712 const sp<IStreamSource> &source) { 713 // create the right type of player 714 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 715 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 716 if (p == NULL) { 717 return NO_INIT; 718 } 719 720 // now set data source 721 setDataSource_post(p, p->setDataSource(source)); 722 return mStatus; 723} 724 725void MediaPlayerService::Client::disconnectNativeWindow() { 726 if (mConnectedWindow != NULL) { 727 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 728 NATIVE_WINDOW_API_MEDIA); 729 730 if (err != OK) { 731 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 732 strerror(-err), err); 733 } 734 } 735 mConnectedWindow.clear(); 736} 737 738status_t MediaPlayerService::Client::setVideoSurfaceTexture( 739 const sp<IGraphicBufferProducer>& bufferProducer) 740{ 741 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 742 sp<MediaPlayerBase> p = getPlayer(); 743 if (p == 0) return UNKNOWN_ERROR; 744 745 sp<IBinder> binder(bufferProducer == NULL ? NULL : 746 bufferProducer->asBinder()); 747 if (mConnectedWindowBinder == binder) { 748 return OK; 749 } 750 751 sp<ANativeWindow> anw; 752 if (bufferProducer != NULL) { 753 anw = new Surface(bufferProducer, true /* controlledByApp */); 754 status_t err = native_window_api_connect(anw.get(), 755 NATIVE_WINDOW_API_MEDIA); 756 757 if (err != OK) { 758 ALOGE("setVideoSurfaceTexture failed: %d", err); 759 // Note that we must do the reset before disconnecting from the ANW. 760 // Otherwise queue/dequeue calls could be made on the disconnected 761 // ANW, which may result in errors. 762 reset(); 763 764 disconnectNativeWindow(); 765 766 return err; 767 } 768 } 769 770 // Note that we must set the player's new GraphicBufferProducer before 771 // disconnecting the old one. Otherwise queue/dequeue calls could be made 772 // on the disconnected ANW, which may result in errors. 773 status_t err = p->setVideoSurfaceTexture(bufferProducer); 774 775 disconnectNativeWindow(); 776 777 mConnectedWindow = anw; 778 779 if (err == OK) { 780 mConnectedWindowBinder = binder; 781 } else { 782 disconnectNativeWindow(); 783 } 784 785 return err; 786} 787 788status_t MediaPlayerService::Client::invoke(const Parcel& request, 789 Parcel *reply) 790{ 791 sp<MediaPlayerBase> p = getPlayer(); 792 if (p == NULL) return UNKNOWN_ERROR; 793 return p->invoke(request, reply); 794} 795 796// This call doesn't need to access the native player. 797status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 798{ 799 status_t status; 800 media::Metadata::Filter allow, drop; 801 802 if (unmarshallFilter(filter, &allow, &status) && 803 unmarshallFilter(filter, &drop, &status)) { 804 Mutex::Autolock lock(mLock); 805 806 mMetadataAllow = allow; 807 mMetadataDrop = drop; 808 } 809 return status; 810} 811 812status_t MediaPlayerService::Client::getMetadata( 813 bool update_only, bool apply_filter, Parcel *reply) 814{ 815 sp<MediaPlayerBase> player = getPlayer(); 816 if (player == 0) return UNKNOWN_ERROR; 817 818 status_t status; 819 // Placeholder for the return code, updated by the caller. 820 reply->writeInt32(-1); 821 822 media::Metadata::Filter ids; 823 824 // We don't block notifications while we fetch the data. We clear 825 // mMetadataUpdated first so we don't lose notifications happening 826 // during the rest of this call. 827 { 828 Mutex::Autolock lock(mLock); 829 if (update_only) { 830 ids = mMetadataUpdated; 831 } 832 mMetadataUpdated.clear(); 833 } 834 835 media::Metadata metadata(reply); 836 837 metadata.appendHeader(); 838 status = player->getMetadata(ids, reply); 839 840 if (status != OK) { 841 metadata.resetParcel(); 842 ALOGE("getMetadata failed %d", status); 843 return status; 844 } 845 846 // FIXME: Implement filtering on the result. Not critical since 847 // filtering takes place on the update notifications already. This 848 // would be when all the metadata are fetch and a filter is set. 849 850 // Everything is fine, update the metadata length. 851 metadata.updateLength(); 852 return OK; 853} 854 855status_t MediaPlayerService::Client::prepareAsync() 856{ 857 ALOGV("[%d] prepareAsync", mConnId); 858 sp<MediaPlayerBase> p = getPlayer(); 859 if (p == 0) return UNKNOWN_ERROR; 860 status_t ret = p->prepareAsync(); 861#if CALLBACK_ANTAGONIZER 862 ALOGD("start Antagonizer"); 863 if (ret == NO_ERROR) mAntagonizer->start(); 864#endif 865 return ret; 866} 867 868status_t MediaPlayerService::Client::start() 869{ 870 ALOGV("[%d] start", mConnId); 871 sp<MediaPlayerBase> p = getPlayer(); 872 if (p == 0) return UNKNOWN_ERROR; 873 p->setLooping(mLoop); 874 return p->start(); 875} 876 877status_t MediaPlayerService::Client::stop() 878{ 879 ALOGV("[%d] stop", mConnId); 880 sp<MediaPlayerBase> p = getPlayer(); 881 if (p == 0) return UNKNOWN_ERROR; 882 return p->stop(); 883} 884 885status_t MediaPlayerService::Client::pause() 886{ 887 ALOGV("[%d] pause", mConnId); 888 sp<MediaPlayerBase> p = getPlayer(); 889 if (p == 0) return UNKNOWN_ERROR; 890 return p->pause(); 891} 892 893status_t MediaPlayerService::Client::isPlaying(bool* state) 894{ 895 *state = false; 896 sp<MediaPlayerBase> p = getPlayer(); 897 if (p == 0) return UNKNOWN_ERROR; 898 *state = p->isPlaying(); 899 ALOGV("[%d] isPlaying: %d", mConnId, *state); 900 return NO_ERROR; 901} 902 903status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 904{ 905 ALOGV("getCurrentPosition"); 906 sp<MediaPlayerBase> p = getPlayer(); 907 if (p == 0) return UNKNOWN_ERROR; 908 status_t ret = p->getCurrentPosition(msec); 909 if (ret == NO_ERROR) { 910 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 911 } else { 912 ALOGE("getCurrentPosition returned %d", ret); 913 } 914 return ret; 915} 916 917status_t MediaPlayerService::Client::getDuration(int *msec) 918{ 919 ALOGV("getDuration"); 920 sp<MediaPlayerBase> p = getPlayer(); 921 if (p == 0) return UNKNOWN_ERROR; 922 status_t ret = p->getDuration(msec); 923 if (ret == NO_ERROR) { 924 ALOGV("[%d] getDuration = %d", mConnId, *msec); 925 } else { 926 ALOGE("getDuration returned %d", ret); 927 } 928 return ret; 929} 930 931status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 932 ALOGV("setNextPlayer"); 933 Mutex::Autolock l(mLock); 934 sp<Client> c = static_cast<Client*>(player.get()); 935 if (c != NULL && !mService->hasClient(c)) { 936 return BAD_VALUE; 937 } 938 939 mNextClient = c; 940 941 if (c != NULL) { 942 if (mAudioOutput != NULL) { 943 mAudioOutput->setNextOutput(c->mAudioOutput); 944 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 945 ALOGE("no current audio output"); 946 } 947 948 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 949 mPlayer->setNextPlayer(mNextClient->getPlayer()); 950 } 951 } 952 953 return OK; 954} 955 956status_t MediaPlayerService::Client::seekTo(int msec) 957{ 958 ALOGV("[%d] seekTo(%d)", mConnId, msec); 959 sp<MediaPlayerBase> p = getPlayer(); 960 if (p == 0) return UNKNOWN_ERROR; 961 return p->seekTo(msec); 962} 963 964status_t MediaPlayerService::Client::reset() 965{ 966 ALOGV("[%d] reset", mConnId); 967 mRetransmitEndpointValid = false; 968 sp<MediaPlayerBase> p = getPlayer(); 969 if (p == 0) return UNKNOWN_ERROR; 970 return p->reset(); 971} 972 973status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 974{ 975 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 976 // TODO: for hardware output, call player instead 977 Mutex::Autolock l(mLock); 978 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 979 return NO_ERROR; 980} 981 982status_t MediaPlayerService::Client::setLooping(int loop) 983{ 984 ALOGV("[%d] setLooping(%d)", mConnId, loop); 985 mLoop = loop; 986 sp<MediaPlayerBase> p = getPlayer(); 987 if (p != 0) return p->setLooping(loop); 988 return NO_ERROR; 989} 990 991status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 992{ 993 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 994 995 // for hardware output, call player instead 996 sp<MediaPlayerBase> p = getPlayer(); 997 { 998 Mutex::Autolock l(mLock); 999 if (p != 0 && p->hardwareOutput()) { 1000 MediaPlayerHWInterface* hwp = 1001 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1002 return hwp->setVolume(leftVolume, rightVolume); 1003 } else { 1004 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1005 return NO_ERROR; 1006 } 1007 } 1008 1009 return NO_ERROR; 1010} 1011 1012status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1013{ 1014 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1015 Mutex::Autolock l(mLock); 1016 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1017 return NO_ERROR; 1018} 1019 1020status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1021{ 1022 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1023 Mutex::Autolock l(mLock); 1024 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1025 return NO_ERROR; 1026} 1027 1028status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1029 ALOGV("[%d] setParameter(%d)", mConnId, key); 1030 sp<MediaPlayerBase> p = getPlayer(); 1031 if (p == 0) return UNKNOWN_ERROR; 1032 return p->setParameter(key, request); 1033} 1034 1035status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1036 ALOGV("[%d] getParameter(%d)", mConnId, key); 1037 sp<MediaPlayerBase> p = getPlayer(); 1038 if (p == 0) return UNKNOWN_ERROR; 1039 return p->getParameter(key, reply); 1040} 1041 1042status_t MediaPlayerService::Client::setRetransmitEndpoint( 1043 const struct sockaddr_in* endpoint) { 1044 1045 if (NULL != endpoint) { 1046 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1047 uint16_t p = ntohs(endpoint->sin_port); 1048 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1049 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1050 } else { 1051 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1052 } 1053 1054 sp<MediaPlayerBase> p = getPlayer(); 1055 1056 // Right now, the only valid time to set a retransmit endpoint is before 1057 // player selection has been made (since the presence or absence of a 1058 // retransmit endpoint is going to determine which player is selected during 1059 // setDataSource). 1060 if (p != 0) return INVALID_OPERATION; 1061 1062 if (NULL != endpoint) { 1063 mRetransmitEndpoint = *endpoint; 1064 mRetransmitEndpointValid = true; 1065 } else { 1066 mRetransmitEndpointValid = false; 1067 } 1068 1069 return NO_ERROR; 1070} 1071 1072status_t MediaPlayerService::Client::getRetransmitEndpoint( 1073 struct sockaddr_in* endpoint) 1074{ 1075 if (NULL == endpoint) 1076 return BAD_VALUE; 1077 1078 sp<MediaPlayerBase> p = getPlayer(); 1079 1080 if (p != NULL) 1081 return p->getRetransmitEndpoint(endpoint); 1082 1083 if (!mRetransmitEndpointValid) 1084 return NO_INIT; 1085 1086 *endpoint = mRetransmitEndpoint; 1087 1088 return NO_ERROR; 1089} 1090 1091void MediaPlayerService::Client::notify( 1092 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1093{ 1094 Client* client = static_cast<Client*>(cookie); 1095 if (client == NULL) { 1096 return; 1097 } 1098 1099 sp<IMediaPlayerClient> c; 1100 { 1101 Mutex::Autolock l(client->mLock); 1102 c = client->mClient; 1103 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1104 if (client->mAudioOutput != NULL) 1105 client->mAudioOutput->switchToNextOutput(); 1106 client->mNextClient->start(); 1107 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1108 } 1109 } 1110 1111 if (MEDIA_INFO == msg && 1112 MEDIA_INFO_METADATA_UPDATE == ext1) { 1113 const media::Metadata::Type metadata_type = ext2; 1114 1115 if(client->shouldDropMetadata(metadata_type)) { 1116 return; 1117 } 1118 1119 // Update the list of metadata that have changed. getMetadata 1120 // also access mMetadataUpdated and clears it. 1121 client->addNewMetadataUpdate(metadata_type); 1122 } 1123 1124 if (c != NULL) { 1125 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1126 c->notify(msg, ext1, ext2, obj); 1127 } 1128} 1129 1130 1131bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1132{ 1133 Mutex::Autolock lock(mLock); 1134 1135 if (findMetadata(mMetadataDrop, code)) { 1136 return true; 1137 } 1138 1139 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1140 return false; 1141 } else { 1142 return true; 1143 } 1144} 1145 1146 1147void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1148 Mutex::Autolock lock(mLock); 1149 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1150 mMetadataUpdated.add(metadata_type); 1151 } 1152} 1153 1154#if CALLBACK_ANTAGONIZER 1155const int Antagonizer::interval = 10000; // 10 msecs 1156 1157Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1158 mExit(false), mActive(false), mClient(client), mCb(cb) 1159{ 1160 createThread(callbackThread, this); 1161} 1162 1163void Antagonizer::kill() 1164{ 1165 Mutex::Autolock _l(mLock); 1166 mActive = false; 1167 mExit = true; 1168 mCondition.wait(mLock); 1169} 1170 1171int Antagonizer::callbackThread(void* user) 1172{ 1173 ALOGD("Antagonizer started"); 1174 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1175 while (!p->mExit) { 1176 if (p->mActive) { 1177 ALOGV("send event"); 1178 p->mCb(p->mClient, 0, 0, 0); 1179 } 1180 usleep(interval); 1181 } 1182 Mutex::Autolock _l(p->mLock); 1183 p->mCondition.signal(); 1184 ALOGD("Antagonizer stopped"); 1185 return 0; 1186} 1187#endif 1188 1189status_t MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, 1190 audio_format_t* pFormat, 1191 const sp<IMemoryHeap>& heap, size_t *pSize) 1192{ 1193 ALOGV("decode(%s)", url); 1194 sp<MediaPlayerBase> player; 1195 status_t status = BAD_VALUE; 1196 1197 // Protect our precious, precious DRMd ringtones by only allowing 1198 // decoding of http, but not filesystem paths or content Uris. 1199 // If the application wants to decode those, it should open a 1200 // filedescriptor for them and use that. 1201 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1202 ALOGD("Can't decode %s by path, use filedescriptor instead", url); 1203 return BAD_VALUE; 1204 } 1205 1206 player_type playerType = 1207 MediaPlayerFactory::getPlayerType(NULL /* client */, url); 1208 ALOGV("player type = %d", playerType); 1209 1210 // create the right type of player 1211 sp<AudioCache> cache = new AudioCache(heap); 1212 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1213 if (player == NULL) goto Exit; 1214 if (player->hardwareOutput()) goto Exit; 1215 1216 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1217 1218 // set data source 1219 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1220 1221 ALOGV("prepare"); 1222 player->prepareAsync(); 1223 1224 ALOGV("wait for prepare"); 1225 if (cache->wait() != NO_ERROR) goto Exit; 1226 1227 ALOGV("start"); 1228 player->start(); 1229 1230 ALOGV("wait for playback complete"); 1231 cache->wait(); 1232 // in case of error, return what was successfully decoded. 1233 if (cache->size() == 0) { 1234 goto Exit; 1235 } 1236 1237 *pSize = cache->size(); 1238 *pSampleRate = cache->sampleRate(); 1239 *pNumChannels = cache->channelCount(); 1240 *pFormat = cache->format(); 1241 ALOGV("return size %d sampleRate=%u, channelCount = %d, format = %d", 1242 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1243 status = NO_ERROR; 1244 1245Exit: 1246 if (player != 0) player->reset(); 1247 return status; 1248} 1249 1250status_t MediaPlayerService::decode(int fd, int64_t offset, int64_t length, 1251 uint32_t *pSampleRate, int* pNumChannels, 1252 audio_format_t* pFormat, 1253 const sp<IMemoryHeap>& heap, size_t *pSize) 1254{ 1255 ALOGV("decode(%d, %lld, %lld)", fd, offset, length); 1256 sp<MediaPlayerBase> player; 1257 status_t status = BAD_VALUE; 1258 1259 player_type playerType = MediaPlayerFactory::getPlayerType(NULL /* client */, 1260 fd, 1261 offset, 1262 length); 1263 ALOGV("player type = %d", playerType); 1264 1265 // create the right type of player 1266 sp<AudioCache> cache = new AudioCache(heap); 1267 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1268 if (player == NULL) goto Exit; 1269 if (player->hardwareOutput()) goto Exit; 1270 1271 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1272 1273 // set data source 1274 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1275 1276 ALOGV("prepare"); 1277 player->prepareAsync(); 1278 1279 ALOGV("wait for prepare"); 1280 if (cache->wait() != NO_ERROR) goto Exit; 1281 1282 ALOGV("start"); 1283 player->start(); 1284 1285 ALOGV("wait for playback complete"); 1286 cache->wait(); 1287 // in case of error, return what was successfully decoded. 1288 if (cache->size() == 0) { 1289 goto Exit; 1290 } 1291 1292 *pSize = cache->size(); 1293 *pSampleRate = cache->sampleRate(); 1294 *pNumChannels = cache->channelCount(); 1295 *pFormat = cache->format(); 1296 ALOGV("return size %d, sampleRate=%u, channelCount = %d, format = %d", 1297 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1298 status = NO_ERROR; 1299 1300Exit: 1301 if (player != 0) player->reset(); 1302 ::close(fd); 1303 return status; 1304} 1305 1306 1307#undef LOG_TAG 1308#define LOG_TAG "AudioSink" 1309MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid) 1310 : mCallback(NULL), 1311 mCallbackCookie(NULL), 1312 mCallbackData(NULL), 1313 mBytesWritten(0), 1314 mSessionId(sessionId), 1315 mUid(uid), 1316 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1317 ALOGV("AudioOutput(%d)", sessionId); 1318 mStreamType = AUDIO_STREAM_MUSIC; 1319 mLeftVolume = 1.0; 1320 mRightVolume = 1.0; 1321 mPlaybackRatePermille = 1000; 1322 mSampleRateHz = 0; 1323 mMsecsPerFrame = 0; 1324 mAuxEffectId = 0; 1325 mSendLevel = 0.0; 1326 setMinBufferCount(); 1327} 1328 1329MediaPlayerService::AudioOutput::~AudioOutput() 1330{ 1331 close(); 1332 delete mCallbackData; 1333} 1334 1335void MediaPlayerService::AudioOutput::setMinBufferCount() 1336{ 1337 char value[PROPERTY_VALUE_MAX]; 1338 if (property_get("ro.kernel.qemu", value, 0)) { 1339 mIsOnEmulator = true; 1340 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1341 } 1342} 1343 1344bool MediaPlayerService::AudioOutput::isOnEmulator() 1345{ 1346 setMinBufferCount(); 1347 return mIsOnEmulator; 1348} 1349 1350int MediaPlayerService::AudioOutput::getMinBufferCount() 1351{ 1352 setMinBufferCount(); 1353 return mMinBufferCount; 1354} 1355 1356ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1357{ 1358 if (mTrack == 0) return NO_INIT; 1359 return mTrack->frameCount() * frameSize(); 1360} 1361 1362ssize_t MediaPlayerService::AudioOutput::frameCount() const 1363{ 1364 if (mTrack == 0) return NO_INIT; 1365 return mTrack->frameCount(); 1366} 1367 1368ssize_t MediaPlayerService::AudioOutput::channelCount() const 1369{ 1370 if (mTrack == 0) return NO_INIT; 1371 return mTrack->channelCount(); 1372} 1373 1374ssize_t MediaPlayerService::AudioOutput::frameSize() const 1375{ 1376 if (mTrack == 0) return NO_INIT; 1377 return mTrack->frameSize(); 1378} 1379 1380uint32_t MediaPlayerService::AudioOutput::latency () const 1381{ 1382 if (mTrack == 0) return 0; 1383 return mTrack->latency(); 1384} 1385 1386float MediaPlayerService::AudioOutput::msecsPerFrame() const 1387{ 1388 return mMsecsPerFrame; 1389} 1390 1391status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1392{ 1393 if (mTrack == 0) return NO_INIT; 1394 return mTrack->getPosition(position); 1395} 1396 1397status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1398{ 1399 if (mTrack == 0) return NO_INIT; 1400 *frameswritten = mBytesWritten / frameSize(); 1401 return OK; 1402} 1403 1404status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1405{ 1406 if (mTrack == 0) return NO_INIT; 1407 return mTrack->setParameters(keyValuePairs); 1408} 1409 1410String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1411{ 1412 if (mTrack == 0) return String8::empty(); 1413 return mTrack->getParameters(keys); 1414} 1415 1416void MediaPlayerService::AudioOutput::deleteRecycledTrack() 1417{ 1418 ALOGV("deleteRecycledTrack"); 1419 1420 if (mRecycledTrack != 0) { 1421 1422 if (mCallbackData != NULL) { 1423 mCallbackData->setOutput(NULL); 1424 mCallbackData->endTrackSwitch(); 1425 } 1426 1427 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1428 mRecycledTrack->flush(); 1429 } 1430 // An offloaded track isn't flushed because the STREAM_END is reported 1431 // slightly prematurely to allow time for the gapless track switch 1432 // but this means that if we decide not to recycle the track there 1433 // could be a small amount of residual data still playing. We leave 1434 // AudioFlinger to drain the track. 1435 1436 mRecycledTrack.clear(); 1437 delete mCallbackData; 1438 mCallbackData = NULL; 1439 close(); 1440 } 1441} 1442 1443status_t MediaPlayerService::AudioOutput::open( 1444 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1445 audio_format_t format, int bufferCount, 1446 AudioCallback cb, void *cookie, 1447 audio_output_flags_t flags, 1448 const audio_offload_info_t *offloadInfo) 1449{ 1450 mCallback = cb; 1451 mCallbackCookie = cookie; 1452 1453 // Check argument "bufferCount" against the mininum buffer count 1454 if (bufferCount < mMinBufferCount) { 1455 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1456 bufferCount = mMinBufferCount; 1457 1458 } 1459 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1460 format, bufferCount, mSessionId, flags); 1461 uint32_t afSampleRate; 1462 size_t afFrameCount; 1463 uint32_t frameCount; 1464 1465 // offloading is only supported in callback mode for now. 1466 // offloadInfo must be present if offload flag is set 1467 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1468 ((cb == NULL) || (offloadInfo == NULL))) { 1469 return BAD_VALUE; 1470 } 1471 1472 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1473 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1474 } else { 1475 uint32_t afSampleRate; 1476 size_t afFrameCount; 1477 1478 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1479 return NO_INIT; 1480 } 1481 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1482 return NO_INIT; 1483 } 1484 1485 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1486 } 1487 1488 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1489 channelMask = audio_channel_out_mask_from_count(channelCount); 1490 if (0 == channelMask) { 1491 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1492 return NO_INIT; 1493 } 1494 } 1495 1496 // Check whether we can recycle the track 1497 bool reuse = false; 1498 bool bothOffloaded = false; 1499 1500 if (mRecycledTrack != 0) { 1501 // check whether we are switching between two offloaded tracks 1502 bothOffloaded = (flags & mRecycledTrack->getFlags() 1503 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1504 1505 // check if the existing track can be reused as-is, or if a new track needs to be created. 1506 reuse = true; 1507 1508 if ((mCallbackData == NULL && mCallback != NULL) || 1509 (mCallbackData != NULL && mCallback == NULL)) { 1510 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1511 ALOGV("can't chain callback and write"); 1512 reuse = false; 1513 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1514 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1515 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1516 mRecycledTrack->getSampleRate(), sampleRate, 1517 mRecycledTrack->channelCount(), channelCount); 1518 reuse = false; 1519 } else if (flags != mFlags) { 1520 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1521 reuse = false; 1522 } else if (mRecycledTrack->format() != format) { 1523 reuse = false; 1524 } 1525 } else { 1526 ALOGV("no track available to recycle"); 1527 } 1528 1529 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1530 1531 // If we can't recycle and both tracks are offloaded 1532 // we must close the previous output before opening a new one 1533 if (bothOffloaded && !reuse) { 1534 ALOGV("both offloaded and not recycling"); 1535 deleteRecycledTrack(); 1536 } 1537 1538 sp<AudioTrack> t; 1539 CallbackData *newcbd = NULL; 1540 1541 // We don't attempt to create a new track if we are recycling an 1542 // offloaded track. But, if we are recycling a non-offloaded or we 1543 // are switching where one is offloaded and one isn't then we create 1544 // the new track in advance so that we can read additional stream info 1545 1546 if (!(reuse && bothOffloaded)) { 1547 ALOGV("creating new AudioTrack"); 1548 1549 if (mCallback != NULL) { 1550 newcbd = new CallbackData(this); 1551 t = new AudioTrack( 1552 mStreamType, 1553 sampleRate, 1554 format, 1555 channelMask, 1556 frameCount, 1557 flags, 1558 CallbackWrapper, 1559 newcbd, 1560 0, // notification frames 1561 mSessionId, 1562 AudioTrack::TRANSFER_CALLBACK, 1563 offloadInfo, 1564 mUid); 1565 } else { 1566 t = new AudioTrack( 1567 mStreamType, 1568 sampleRate, 1569 format, 1570 channelMask, 1571 frameCount, 1572 flags, 1573 NULL, // callback 1574 NULL, // user data 1575 0, // notification frames 1576 mSessionId, 1577 AudioTrack::TRANSFER_DEFAULT, 1578 NULL, // offload info 1579 mUid); 1580 } 1581 1582 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1583 ALOGE("Unable to create audio track"); 1584 delete newcbd; 1585 return NO_INIT; 1586 } 1587 } 1588 1589 if (reuse) { 1590 CHECK(mRecycledTrack != NULL); 1591 1592 if (!bothOffloaded) { 1593 if (mRecycledTrack->frameCount() != t->frameCount()) { 1594 ALOGV("framecount differs: %u/%u frames", 1595 mRecycledTrack->frameCount(), t->frameCount()); 1596 reuse = false; 1597 } 1598 } 1599 1600 if (reuse) { 1601 ALOGV("chaining to next output and recycling track"); 1602 close(); 1603 mTrack = mRecycledTrack; 1604 mRecycledTrack.clear(); 1605 if (mCallbackData != NULL) { 1606 mCallbackData->setOutput(this); 1607 } 1608 delete newcbd; 1609 return OK; 1610 } 1611 } 1612 1613 // we're not going to reuse the track, unblock and flush it 1614 // this was done earlier if both tracks are offloaded 1615 if (!bothOffloaded) { 1616 deleteRecycledTrack(); 1617 } 1618 1619 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 1620 1621 mCallbackData = newcbd; 1622 ALOGV("setVolume"); 1623 t->setVolume(mLeftVolume, mRightVolume); 1624 1625 mSampleRateHz = sampleRate; 1626 mFlags = flags; 1627 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1628 uint32_t pos; 1629 if (t->getPosition(&pos) == OK) { 1630 mBytesWritten = uint64_t(pos) * t->frameSize(); 1631 } 1632 mTrack = t; 1633 1634 status_t res = NO_ERROR; 1635 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1636 res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1637 if (res == NO_ERROR) { 1638 t->setAuxEffectSendLevel(mSendLevel); 1639 res = t->attachAuxEffect(mAuxEffectId); 1640 } 1641 } 1642 ALOGV("open() DONE status %d", res); 1643 return res; 1644} 1645 1646status_t MediaPlayerService::AudioOutput::start() 1647{ 1648 ALOGV("start"); 1649 if (mCallbackData != NULL) { 1650 mCallbackData->endTrackSwitch(); 1651 } 1652 if (mTrack != 0) { 1653 mTrack->setVolume(mLeftVolume, mRightVolume); 1654 mTrack->setAuxEffectSendLevel(mSendLevel); 1655 return mTrack->start(); 1656 } 1657 return NO_INIT; 1658} 1659 1660void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1661 mNextOutput = nextOutput; 1662} 1663 1664 1665void MediaPlayerService::AudioOutput::switchToNextOutput() { 1666 ALOGV("switchToNextOutput"); 1667 if (mNextOutput != NULL) { 1668 if (mCallbackData != NULL) { 1669 mCallbackData->beginTrackSwitch(); 1670 } 1671 delete mNextOutput->mCallbackData; 1672 mNextOutput->mCallbackData = mCallbackData; 1673 mCallbackData = NULL; 1674 mNextOutput->mRecycledTrack = mTrack; 1675 mTrack.clear(); 1676 mNextOutput->mSampleRateHz = mSampleRateHz; 1677 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1678 mNextOutput->mBytesWritten = mBytesWritten; 1679 mNextOutput->mFlags = mFlags; 1680 } 1681} 1682 1683ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1684{ 1685 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1686 1687 //ALOGV("write(%p, %u)", buffer, size); 1688 if (mTrack != 0) { 1689 ssize_t ret = mTrack->write(buffer, size); 1690 mBytesWritten += ret; 1691 return ret; 1692 } 1693 return NO_INIT; 1694} 1695 1696void MediaPlayerService::AudioOutput::stop() 1697{ 1698 ALOGV("stop"); 1699 if (mTrack != 0) mTrack->stop(); 1700} 1701 1702void MediaPlayerService::AudioOutput::flush() 1703{ 1704 ALOGV("flush"); 1705 if (mTrack != 0) mTrack->flush(); 1706} 1707 1708void MediaPlayerService::AudioOutput::pause() 1709{ 1710 ALOGV("pause"); 1711 if (mTrack != 0) mTrack->pause(); 1712} 1713 1714void MediaPlayerService::AudioOutput::close() 1715{ 1716 ALOGV("close"); 1717 mTrack.clear(); 1718} 1719 1720void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1721{ 1722 ALOGV("setVolume(%f, %f)", left, right); 1723 mLeftVolume = left; 1724 mRightVolume = right; 1725 if (mTrack != 0) { 1726 mTrack->setVolume(left, right); 1727 } 1728} 1729 1730status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1731{ 1732 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1733 status_t res = NO_ERROR; 1734 if (mTrack != 0) { 1735 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1736 } else { 1737 res = NO_INIT; 1738 } 1739 mPlaybackRatePermille = ratePermille; 1740 if (mSampleRateHz != 0) { 1741 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1742 } 1743 return res; 1744} 1745 1746status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1747{ 1748 ALOGV("setAuxEffectSendLevel(%f)", level); 1749 mSendLevel = level; 1750 if (mTrack != 0) { 1751 return mTrack->setAuxEffectSendLevel(level); 1752 } 1753 return NO_ERROR; 1754} 1755 1756status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1757{ 1758 ALOGV("attachAuxEffect(%d)", effectId); 1759 mAuxEffectId = effectId; 1760 if (mTrack != 0) { 1761 return mTrack->attachAuxEffect(effectId); 1762 } 1763 return NO_ERROR; 1764} 1765 1766// static 1767void MediaPlayerService::AudioOutput::CallbackWrapper( 1768 int event, void *cookie, void *info) { 1769 //ALOGV("callbackwrapper"); 1770 CallbackData *data = (CallbackData*)cookie; 1771 data->lock(); 1772 AudioOutput *me = data->getOutput(); 1773 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1774 if (me == NULL) { 1775 // no output set, likely because the track was scheduled to be reused 1776 // by another player, but the format turned out to be incompatible. 1777 data->unlock(); 1778 if (buffer != NULL) { 1779 buffer->size = 0; 1780 } 1781 return; 1782 } 1783 1784 switch(event) { 1785 case AudioTrack::EVENT_MORE_DATA: { 1786 size_t actualSize = (*me->mCallback)( 1787 me, buffer->raw, buffer->size, me->mCallbackCookie, 1788 CB_EVENT_FILL_BUFFER); 1789 1790 if (actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1791 // We've reached EOS but the audio track is not stopped yet, 1792 // keep playing silence. 1793 1794 memset(buffer->raw, 0, buffer->size); 1795 actualSize = buffer->size; 1796 } 1797 1798 buffer->size = actualSize; 1799 } break; 1800 1801 1802 case AudioTrack::EVENT_STREAM_END: 1803 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 1804 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1805 me->mCallbackCookie, CB_EVENT_STREAM_END); 1806 break; 1807 1808 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 1809 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 1810 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1811 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 1812 break; 1813 1814 default: 1815 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 1816 } 1817 1818 data->unlock(); 1819} 1820 1821int MediaPlayerService::AudioOutput::getSessionId() const 1822{ 1823 return mSessionId; 1824} 1825 1826uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 1827{ 1828 if (mTrack == 0) return 0; 1829 return mTrack->getSampleRate(); 1830} 1831 1832#undef LOG_TAG 1833#define LOG_TAG "AudioCache" 1834MediaPlayerService::AudioCache::AudioCache(const sp<IMemoryHeap>& heap) : 1835 mHeap(heap), mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1836 mError(NO_ERROR), mCommandComplete(false) 1837{ 1838} 1839 1840uint32_t MediaPlayerService::AudioCache::latency () const 1841{ 1842 return 0; 1843} 1844 1845float MediaPlayerService::AudioCache::msecsPerFrame() const 1846{ 1847 return mMsecsPerFrame; 1848} 1849 1850status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) const 1851{ 1852 if (position == 0) return BAD_VALUE; 1853 *position = mSize; 1854 return NO_ERROR; 1855} 1856 1857status_t MediaPlayerService::AudioCache::getFramesWritten(uint32_t *written) const 1858{ 1859 if (written == 0) return BAD_VALUE; 1860 *written = mSize; 1861 return NO_ERROR; 1862} 1863 1864//////////////////////////////////////////////////////////////////////////////// 1865 1866struct CallbackThread : public Thread { 1867 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1868 MediaPlayerBase::AudioSink::AudioCallback cb, 1869 void *cookie); 1870 1871protected: 1872 virtual ~CallbackThread(); 1873 1874 virtual bool threadLoop(); 1875 1876private: 1877 wp<MediaPlayerBase::AudioSink> mSink; 1878 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1879 void *mCookie; 1880 void *mBuffer; 1881 size_t mBufferSize; 1882 1883 CallbackThread(const CallbackThread &); 1884 CallbackThread &operator=(const CallbackThread &); 1885}; 1886 1887CallbackThread::CallbackThread( 1888 const wp<MediaPlayerBase::AudioSink> &sink, 1889 MediaPlayerBase::AudioSink::AudioCallback cb, 1890 void *cookie) 1891 : mSink(sink), 1892 mCallback(cb), 1893 mCookie(cookie), 1894 mBuffer(NULL), 1895 mBufferSize(0) { 1896} 1897 1898CallbackThread::~CallbackThread() { 1899 if (mBuffer) { 1900 free(mBuffer); 1901 mBuffer = NULL; 1902 } 1903} 1904 1905bool CallbackThread::threadLoop() { 1906 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1907 if (sink == NULL) { 1908 return false; 1909 } 1910 1911 if (mBuffer == NULL) { 1912 mBufferSize = sink->bufferSize(); 1913 mBuffer = malloc(mBufferSize); 1914 } 1915 1916 size_t actualSize = 1917 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 1918 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 1919 1920 if (actualSize > 0) { 1921 sink->write(mBuffer, actualSize); 1922 } 1923 1924 return true; 1925} 1926 1927//////////////////////////////////////////////////////////////////////////////// 1928 1929status_t MediaPlayerService::AudioCache::open( 1930 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1931 audio_format_t format, int bufferCount, 1932 AudioCallback cb, void *cookie, audio_output_flags_t flags, 1933 const audio_offload_info_t *offloadInfo) 1934{ 1935 ALOGV("open(%u, %d, 0x%x, %d, %d)", sampleRate, channelCount, channelMask, format, bufferCount); 1936 if (mHeap->getHeapID() < 0) { 1937 return NO_INIT; 1938 } 1939 1940 mSampleRate = sampleRate; 1941 mChannelCount = (uint16_t)channelCount; 1942 mFormat = format; 1943 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1944 1945 if (cb != NULL) { 1946 mCallbackThread = new CallbackThread(this, cb, cookie); 1947 } 1948 return NO_ERROR; 1949} 1950 1951status_t MediaPlayerService::AudioCache::start() { 1952 if (mCallbackThread != NULL) { 1953 mCallbackThread->run("AudioCache callback"); 1954 } 1955 return NO_ERROR; 1956} 1957 1958void MediaPlayerService::AudioCache::stop() { 1959 if (mCallbackThread != NULL) { 1960 mCallbackThread->requestExitAndWait(); 1961 } 1962} 1963 1964ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1965{ 1966 ALOGV("write(%p, %u)", buffer, size); 1967 if ((buffer == 0) || (size == 0)) return size; 1968 1969 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1970 if (p == NULL) return NO_INIT; 1971 p += mSize; 1972 ALOGV("memcpy(%p, %p, %u)", p, buffer, size); 1973 if (mSize + size > mHeap->getSize()) { 1974 ALOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1975 size = mHeap->getSize() - mSize; 1976 } 1977 memcpy(p, buffer, size); 1978 mSize += size; 1979 return size; 1980} 1981 1982// call with lock held 1983status_t MediaPlayerService::AudioCache::wait() 1984{ 1985 Mutex::Autolock lock(mLock); 1986 while (!mCommandComplete) { 1987 mSignal.wait(mLock); 1988 } 1989 mCommandComplete = false; 1990 1991 if (mError == NO_ERROR) { 1992 ALOGV("wait - success"); 1993 } else { 1994 ALOGV("wait - error"); 1995 } 1996 return mError; 1997} 1998 1999void MediaPlayerService::AudioCache::notify( 2000 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 2001{ 2002 ALOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 2003 AudioCache* p = static_cast<AudioCache*>(cookie); 2004 2005 // ignore buffering messages 2006 switch (msg) 2007 { 2008 case MEDIA_ERROR: 2009 ALOGE("Error %d, %d occurred", ext1, ext2); 2010 p->mError = ext1; 2011 break; 2012 case MEDIA_PREPARED: 2013 ALOGV("prepared"); 2014 break; 2015 case MEDIA_PLAYBACK_COMPLETE: 2016 ALOGV("playback complete"); 2017 break; 2018 default: 2019 ALOGV("ignored"); 2020 return; 2021 } 2022 2023 // wake up thread 2024 Mutex::Autolock lock(p->mLock); 2025 p->mCommandComplete = true; 2026 p->mSignal.signal(); 2027} 2028 2029int MediaPlayerService::AudioCache::getSessionId() const 2030{ 2031 return 0; 2032} 2033 2034uint32_t MediaPlayerService::AudioCache::getSampleRate() const 2035{ 2036 if (mMsecsPerFrame == 0) { 2037 return 0; 2038 } 2039 return (uint32_t)(1.e3 / mMsecsPerFrame); 2040} 2041 2042void MediaPlayerService::addBatteryData(uint32_t params) 2043{ 2044 Mutex::Autolock lock(mLock); 2045 2046 int32_t time = systemTime() / 1000000L; 2047 2048 // change audio output devices. This notification comes from AudioFlinger 2049 if ((params & kBatteryDataSpeakerOn) 2050 || (params & kBatteryDataOtherAudioDeviceOn)) { 2051 2052 int deviceOn[NUM_AUDIO_DEVICES]; 2053 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2054 deviceOn[i] = 0; 2055 } 2056 2057 if ((params & kBatteryDataSpeakerOn) 2058 && (params & kBatteryDataOtherAudioDeviceOn)) { 2059 deviceOn[SPEAKER_AND_OTHER] = 1; 2060 } else if (params & kBatteryDataSpeakerOn) { 2061 deviceOn[SPEAKER] = 1; 2062 } else { 2063 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2064 } 2065 2066 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2067 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2068 2069 if (mBatteryAudio.refCount > 0) { // if playing audio 2070 if (!deviceOn[i]) { 2071 mBatteryAudio.lastTime[i] += time; 2072 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2073 mBatteryAudio.lastTime[i] = 0; 2074 } else { 2075 mBatteryAudio.lastTime[i] = 0 - time; 2076 } 2077 } 2078 2079 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2080 } 2081 } 2082 return; 2083 } 2084 2085 // an sudio stream is started 2086 if (params & kBatteryDataAudioFlingerStart) { 2087 // record the start time only if currently no other audio 2088 // is being played 2089 if (mBatteryAudio.refCount == 0) { 2090 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2091 if (mBatteryAudio.deviceOn[i]) { 2092 mBatteryAudio.lastTime[i] -= time; 2093 } 2094 } 2095 } 2096 2097 mBatteryAudio.refCount ++; 2098 return; 2099 2100 } else if (params & kBatteryDataAudioFlingerStop) { 2101 if (mBatteryAudio.refCount <= 0) { 2102 ALOGW("Battery track warning: refCount is <= 0"); 2103 return; 2104 } 2105 2106 // record the stop time only if currently this is the only 2107 // audio being played 2108 if (mBatteryAudio.refCount == 1) { 2109 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2110 if (mBatteryAudio.deviceOn[i]) { 2111 mBatteryAudio.lastTime[i] += time; 2112 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2113 mBatteryAudio.lastTime[i] = 0; 2114 } 2115 } 2116 } 2117 2118 mBatteryAudio.refCount --; 2119 return; 2120 } 2121 2122 int uid = IPCThreadState::self()->getCallingUid(); 2123 if (uid == AID_MEDIA) { 2124 return; 2125 } 2126 int index = mBatteryData.indexOfKey(uid); 2127 2128 if (index < 0) { // create a new entry for this UID 2129 BatteryUsageInfo info; 2130 info.audioTotalTime = 0; 2131 info.videoTotalTime = 0; 2132 info.audioLastTime = 0; 2133 info.videoLastTime = 0; 2134 info.refCount = 0; 2135 2136 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2137 ALOGE("Battery track error: no memory for new app"); 2138 return; 2139 } 2140 } 2141 2142 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2143 2144 if (params & kBatteryDataCodecStarted) { 2145 if (params & kBatteryDataTrackAudio) { 2146 info.audioLastTime -= time; 2147 info.refCount ++; 2148 } 2149 if (params & kBatteryDataTrackVideo) { 2150 info.videoLastTime -= time; 2151 info.refCount ++; 2152 } 2153 } else { 2154 if (info.refCount == 0) { 2155 ALOGW("Battery track warning: refCount is already 0"); 2156 return; 2157 } else if (info.refCount < 0) { 2158 ALOGE("Battery track error: refCount < 0"); 2159 mBatteryData.removeItem(uid); 2160 return; 2161 } 2162 2163 if (params & kBatteryDataTrackAudio) { 2164 info.audioLastTime += time; 2165 info.refCount --; 2166 } 2167 if (params & kBatteryDataTrackVideo) { 2168 info.videoLastTime += time; 2169 info.refCount --; 2170 } 2171 2172 // no stream is being played by this UID 2173 if (info.refCount == 0) { 2174 info.audioTotalTime += info.audioLastTime; 2175 info.audioLastTime = 0; 2176 info.videoTotalTime += info.videoLastTime; 2177 info.videoLastTime = 0; 2178 } 2179 } 2180} 2181 2182status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2183 Mutex::Autolock lock(mLock); 2184 2185 // audio output devices usage 2186 int32_t time = systemTime() / 1000000L; //in ms 2187 int32_t totalTime; 2188 2189 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2190 totalTime = mBatteryAudio.totalTime[i]; 2191 2192 if (mBatteryAudio.deviceOn[i] 2193 && (mBatteryAudio.lastTime[i] != 0)) { 2194 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2195 totalTime += tmpTime; 2196 } 2197 2198 reply->writeInt32(totalTime); 2199 // reset the total time 2200 mBatteryAudio.totalTime[i] = 0; 2201 } 2202 2203 // codec usage 2204 BatteryUsageInfo info; 2205 int size = mBatteryData.size(); 2206 2207 reply->writeInt32(size); 2208 int i = 0; 2209 2210 while (i < size) { 2211 info = mBatteryData.valueAt(i); 2212 2213 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2214 reply->writeInt32(info.audioTotalTime); 2215 reply->writeInt32(info.videoTotalTime); 2216 2217 info.audioTotalTime = 0; 2218 info.videoTotalTime = 0; 2219 2220 // remove the UID entry where no stream is being played 2221 if (info.refCount <= 0) { 2222 mBatteryData.removeItemsAt(i); 2223 size --; 2224 i --; 2225 } 2226 i++; 2227 } 2228 return NO_ERROR; 2229} 2230} // namespace android 2231