MediaPlayerService.cpp revision 0b30fd4ccf5218b15f770e778703d69cd3432446
1/* 2** 3** Copyright 2008, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18// Proxy for media player implementations 19 20//#define LOG_NDEBUG 0 21#define LOG_TAG "MediaPlayerService" 22#include <utils/Log.h> 23 24#include <sys/types.h> 25#include <sys/stat.h> 26#include <sys/time.h> 27#include <dirent.h> 28#include <unistd.h> 29 30#include <string.h> 31 32#include <cutils/atomic.h> 33#include <cutils/properties.h> // for property_get 34 35#include <utils/misc.h> 36 37#include <binder/IBatteryStats.h> 38#include <binder/IPCThreadState.h> 39#include <binder/IServiceManager.h> 40#include <binder/MemoryHeapBase.h> 41#include <binder/MemoryBase.h> 42#include <gui/Surface.h> 43#include <utils/Errors.h> // for status_t 44#include <utils/String8.h> 45#include <utils/SystemClock.h> 46#include <utils/Vector.h> 47 48#include <media/IMediaHTTPService.h> 49#include <media/IRemoteDisplay.h> 50#include <media/IRemoteDisplayClient.h> 51#include <media/MediaPlayerInterface.h> 52#include <media/mediarecorder.h> 53#include <media/MediaMetadataRetrieverInterface.h> 54#include <media/Metadata.h> 55#include <media/AudioTrack.h> 56#include <media/MemoryLeakTrackUtil.h> 57#include <media/stagefright/MediaErrors.h> 58#include <media/stagefright/AudioPlayer.h> 59#include <media/stagefright/foundation/ADebug.h> 60 61#include <system/audio.h> 62 63#include <private/android_filesystem_config.h> 64 65#include "ActivityManager.h" 66#include "MediaRecorderClient.h" 67#include "MediaPlayerService.h" 68#include "MetadataRetrieverClient.h" 69#include "MediaPlayerFactory.h" 70 71#include "MidiFile.h" 72#include "TestPlayerStub.h" 73#include "StagefrightPlayer.h" 74#include "nuplayer/NuPlayerDriver.h" 75 76#include <OMX.h> 77 78#include "Crypto.h" 79#include "Drm.h" 80#include "HDCP.h" 81#include "HTTPBase.h" 82#include "RemoteDisplay.h" 83 84namespace { 85using android::media::Metadata; 86using android::status_t; 87using android::OK; 88using android::BAD_VALUE; 89using android::NOT_ENOUGH_DATA; 90using android::Parcel; 91 92// Max number of entries in the filter. 93const int kMaxFilterSize = 64; // I pulled that out of thin air. 94 95// FIXME: Move all the metadata related function in the Metadata.cpp 96 97 98// Unmarshall a filter from a Parcel. 99// Filter format in a parcel: 100// 101// 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 1 102// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 103// | number of entries (n) | 104// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 105// | metadata type 1 | 106// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107// | metadata type 2 | 108// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 109// .... 110// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 111// | metadata type n | 112// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 113// 114// @param p Parcel that should start with a filter. 115// @param[out] filter On exit contains the list of metadata type to be 116// filtered. 117// @param[out] status On exit contains the status code to be returned. 118// @return true if the parcel starts with a valid filter. 119bool unmarshallFilter(const Parcel& p, 120 Metadata::Filter *filter, 121 status_t *status) 122{ 123 int32_t val; 124 if (p.readInt32(&val) != OK) 125 { 126 ALOGE("Failed to read filter's length"); 127 *status = NOT_ENOUGH_DATA; 128 return false; 129 } 130 131 if( val > kMaxFilterSize || val < 0) 132 { 133 ALOGE("Invalid filter len %d", val); 134 *status = BAD_VALUE; 135 return false; 136 } 137 138 const size_t num = val; 139 140 filter->clear(); 141 filter->setCapacity(num); 142 143 size_t size = num * sizeof(Metadata::Type); 144 145 146 if (p.dataAvail() < size) 147 { 148 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 149 *status = NOT_ENOUGH_DATA; 150 return false; 151 } 152 153 const Metadata::Type *data = 154 static_cast<const Metadata::Type*>(p.readInplace(size)); 155 156 if (NULL == data) 157 { 158 ALOGE("Filter had no data"); 159 *status = BAD_VALUE; 160 return false; 161 } 162 163 // TODO: The stl impl of vector would be more efficient here 164 // because it degenerates into a memcpy on pod types. Try to 165 // replace later or use stl::set. 166 for (size_t i = 0; i < num; ++i) 167 { 168 filter->add(*data); 169 ++data; 170 } 171 *status = OK; 172 return true; 173} 174 175// @param filter Of metadata type. 176// @param val To be searched. 177// @return true if a match was found. 178bool findMetadata(const Metadata::Filter& filter, const int32_t val) 179{ 180 // Deal with empty and ANY right away 181 if (filter.isEmpty()) return false; 182 if (filter[0] == Metadata::kAny) return true; 183 184 return filter.indexOf(val) >= 0; 185} 186 187} // anonymous namespace 188 189 190namespace { 191using android::Parcel; 192using android::String16; 193 194// marshalling tag indicating flattened utf16 tags 195// keep in sync with frameworks/base/media/java/android/media/AudioAttributes.java 196const int32_t kAudioAttributesMarshallTagFlattenTags = 1; 197 198// Audio attributes format in a parcel: 199// 200// 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 1 201// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 202// | usage | 203// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 204// | content_type | 205// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 206// | flags | 207// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 208// | kAudioAttributesMarshallTagFlattenTags | // ignore tags if not found 209// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 210// | flattened tags in UTF16 | 211// | ... | 212// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 213// 214// @param p Parcel that contains audio attributes. 215// @param[out] attributes On exit points to an initialized audio_attributes_t structure 216// @param[out] status On exit contains the status code to be returned. 217void unmarshallAudioAttributes(const Parcel& parcel, audio_attributes_t *attributes) 218{ 219 attributes->usage = (audio_usage_t) parcel.readInt32(); 220 attributes->content_type = (audio_content_type_t) parcel.readInt32(); 221 attributes->flags = (audio_flags_mask_t) parcel.readInt32(); 222 const bool hasFlattenedTag = (parcel.readInt32() == kAudioAttributesMarshallTagFlattenTags); 223 if (hasFlattenedTag) { 224 // the tags are UTF16, convert to UTF8 225 String16 tags = parcel.readString16(); 226 ssize_t realTagSize = utf16_to_utf8_length(tags.string(), tags.size()); 227 if (realTagSize <= 0) { 228 strcpy(attributes->tags, ""); 229 } else { 230 // copy the flattened string into the attributes as the destination for the conversion: 231 // copying array size -1, array for tags was calloc'd, no need to NULL-terminate it 232 size_t tagSize = realTagSize > AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 ? 233 AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1 : realTagSize; 234 utf16_to_utf8(tags.string(), tagSize, attributes->tags); 235 } 236 } else { 237 ALOGE("unmarshallAudioAttributes() received unflattened tags, ignoring tag values"); 238 strcpy(attributes->tags, ""); 239 } 240} 241} // anonymous namespace 242 243 244namespace android { 245 246static bool checkPermission(const char* permissionString) { 247#ifndef HAVE_ANDROID_OS 248 return true; 249#endif 250 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 251 bool ok = checkCallingPermission(String16(permissionString)); 252 if (!ok) ALOGE("Request requires %s", permissionString); 253 return ok; 254} 255 256// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 257/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 258/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 259 260void MediaPlayerService::instantiate() { 261 defaultServiceManager()->addService( 262 String16("media.player"), new MediaPlayerService()); 263} 264 265MediaPlayerService::MediaPlayerService() 266{ 267 ALOGV("MediaPlayerService created"); 268 mNextConnId = 1; 269 270 mBatteryAudio.refCount = 0; 271 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 272 mBatteryAudio.deviceOn[i] = 0; 273 mBatteryAudio.lastTime[i] = 0; 274 mBatteryAudio.totalTime[i] = 0; 275 } 276 // speaker is on by default 277 mBatteryAudio.deviceOn[SPEAKER] = 1; 278 279 // reset battery stats 280 // if the mediaserver has crashed, battery stats could be left 281 // in bad state, reset the state upon service start. 282 const sp<IServiceManager> sm(defaultServiceManager()); 283 if (sm != NULL) { 284 const String16 name("batterystats"); 285 sp<IBatteryStats> batteryStats = 286 interface_cast<IBatteryStats>(sm->getService(name)); 287 if (batteryStats != NULL) { 288 batteryStats->noteResetVideo(); 289 batteryStats->noteResetAudio(); 290 } 291 } 292 293 MediaPlayerFactory::registerBuiltinFactories(); 294} 295 296MediaPlayerService::~MediaPlayerService() 297{ 298 ALOGV("MediaPlayerService destroyed"); 299} 300 301sp<IMediaRecorder> MediaPlayerService::createMediaRecorder() 302{ 303 pid_t pid = IPCThreadState::self()->getCallingPid(); 304 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 305 wp<MediaRecorderClient> w = recorder; 306 Mutex::Autolock lock(mLock); 307 mMediaRecorderClients.add(w); 308 ALOGV("Create new media recorder client from pid %d", pid); 309 return recorder; 310} 311 312void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 313{ 314 Mutex::Autolock lock(mLock); 315 mMediaRecorderClients.remove(client); 316 ALOGV("Delete media recorder client"); 317} 318 319sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 320{ 321 pid_t pid = IPCThreadState::self()->getCallingPid(); 322 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 323 ALOGV("Create new media retriever from pid %d", pid); 324 return retriever; 325} 326 327sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 328 int audioSessionId) 329{ 330 pid_t pid = IPCThreadState::self()->getCallingPid(); 331 int32_t connId = android_atomic_inc(&mNextConnId); 332 333 sp<Client> c = new Client( 334 this, pid, connId, client, audioSessionId, 335 IPCThreadState::self()->getCallingUid()); 336 337 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 338 IPCThreadState::self()->getCallingUid()); 339 340 wp<Client> w = c; 341 { 342 Mutex::Autolock lock(mLock); 343 mClients.add(w); 344 } 345 return c; 346} 347 348sp<IOMX> MediaPlayerService::getOMX() { 349 Mutex::Autolock autoLock(mLock); 350 351 if (mOMX.get() == NULL) { 352 mOMX = new OMX; 353 } 354 355 return mOMX; 356} 357 358sp<ICrypto> MediaPlayerService::makeCrypto() { 359 return new Crypto; 360} 361 362sp<IDrm> MediaPlayerService::makeDrm() { 363 return new Drm; 364} 365 366sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 367 return new HDCP(createEncryptionModule); 368} 369 370sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 371 const sp<IRemoteDisplayClient>& client, const String8& iface) { 372 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 373 return NULL; 374 } 375 376 return new RemoteDisplay(client, iface.string()); 377} 378 379status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& /*args*/) const 380{ 381 const size_t SIZE = 256; 382 char buffer[SIZE]; 383 String8 result; 384 385 result.append(" AudioCache\n"); 386 if (mHeap != 0) { 387 snprintf(buffer, 255, " heap base(%p), size(%zu), flags(%d)\n", 388 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags()); 389 result.append(buffer); 390 } 391 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%zd)\n", 392 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 393 result.append(buffer); 394 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 395 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 396 result.append(buffer); 397 ::write(fd, result.string(), result.size()); 398 return NO_ERROR; 399} 400 401status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 402{ 403 const size_t SIZE = 256; 404 char buffer[SIZE]; 405 String8 result; 406 407 result.append(" AudioOutput\n"); 408 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 409 mStreamType, mLeftVolume, mRightVolume); 410 result.append(buffer); 411 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 412 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 413 result.append(buffer); 414 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 415 mAuxEffectId, mSendLevel); 416 result.append(buffer); 417 418 ::write(fd, result.string(), result.size()); 419 if (mTrack != 0) { 420 mTrack->dump(fd, args); 421 } 422 return NO_ERROR; 423} 424 425status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 426{ 427 const size_t SIZE = 256; 428 char buffer[SIZE]; 429 String8 result; 430 result.append(" Client\n"); 431 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 432 mPid, mConnId, mStatus, mLoop?"true": "false"); 433 result.append(buffer); 434 write(fd, result.string(), result.size()); 435 if (mPlayer != NULL) { 436 mPlayer->dump(fd, args); 437 } 438 if (mAudioOutput != 0) { 439 mAudioOutput->dump(fd, args); 440 } 441 write(fd, "\n", 1); 442 return NO_ERROR; 443} 444 445status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 446{ 447 const size_t SIZE = 256; 448 char buffer[SIZE]; 449 String8 result; 450 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 451 snprintf(buffer, SIZE, "Permission Denial: " 452 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 453 IPCThreadState::self()->getCallingPid(), 454 IPCThreadState::self()->getCallingUid()); 455 result.append(buffer); 456 } else { 457 Mutex::Autolock lock(mLock); 458 for (int i = 0, n = mClients.size(); i < n; ++i) { 459 sp<Client> c = mClients[i].promote(); 460 if (c != 0) c->dump(fd, args); 461 } 462 if (mMediaRecorderClients.size() == 0) { 463 result.append(" No media recorder client\n\n"); 464 } else { 465 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 466 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 467 if (c != 0) { 468 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 469 result.append(buffer); 470 write(fd, result.string(), result.size()); 471 result = "\n"; 472 c->dump(fd, args); 473 } 474 } 475 } 476 477 result.append(" Files opened and/or mapped:\n"); 478 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 479 FILE *f = fopen(buffer, "r"); 480 if (f) { 481 while (!feof(f)) { 482 fgets(buffer, SIZE, f); 483 if (strstr(buffer, " /storage/") || 484 strstr(buffer, " /system/sounds/") || 485 strstr(buffer, " /data/") || 486 strstr(buffer, " /system/media/")) { 487 result.append(" "); 488 result.append(buffer); 489 } 490 } 491 fclose(f); 492 } else { 493 result.append("couldn't open "); 494 result.append(buffer); 495 result.append("\n"); 496 } 497 498 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 499 DIR *d = opendir(buffer); 500 if (d) { 501 struct dirent *ent; 502 while((ent = readdir(d)) != NULL) { 503 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 504 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 505 struct stat s; 506 if (lstat(buffer, &s) == 0) { 507 if ((s.st_mode & S_IFMT) == S_IFLNK) { 508 char linkto[256]; 509 int len = readlink(buffer, linkto, sizeof(linkto)); 510 if(len > 0) { 511 if(len > 255) { 512 linkto[252] = '.'; 513 linkto[253] = '.'; 514 linkto[254] = '.'; 515 linkto[255] = 0; 516 } else { 517 linkto[len] = 0; 518 } 519 if (strstr(linkto, "/storage/") == linkto || 520 strstr(linkto, "/system/sounds/") == linkto || 521 strstr(linkto, "/data/") == linkto || 522 strstr(linkto, "/system/media/") == linkto) { 523 result.append(" "); 524 result.append(buffer); 525 result.append(" -> "); 526 result.append(linkto); 527 result.append("\n"); 528 } 529 } 530 } else { 531 result.append(" unexpected type for "); 532 result.append(buffer); 533 result.append("\n"); 534 } 535 } 536 } 537 } 538 closedir(d); 539 } else { 540 result.append("couldn't open "); 541 result.append(buffer); 542 result.append("\n"); 543 } 544 545 bool dumpMem = false; 546 for (size_t i = 0; i < args.size(); i++) { 547 if (args[i] == String16("-m")) { 548 dumpMem = true; 549 } 550 } 551 if (dumpMem) { 552 dumpMemoryAddresses(fd); 553 } 554 } 555 write(fd, result.string(), result.size()); 556 return NO_ERROR; 557} 558 559void MediaPlayerService::removeClient(wp<Client> client) 560{ 561 Mutex::Autolock lock(mLock); 562 mClients.remove(client); 563} 564 565MediaPlayerService::Client::Client( 566 const sp<MediaPlayerService>& service, pid_t pid, 567 int32_t connId, const sp<IMediaPlayerClient>& client, 568 int audioSessionId, uid_t uid) 569{ 570 ALOGV("Client(%d) constructor", connId); 571 mPid = pid; 572 mConnId = connId; 573 mService = service; 574 mClient = client; 575 mLoop = false; 576 mStatus = NO_INIT; 577 mAudioSessionId = audioSessionId; 578 mUID = uid; 579 mRetransmitEndpointValid = false; 580 mAudioAttributes = NULL; 581 582#if CALLBACK_ANTAGONIZER 583 ALOGD("create Antagonizer"); 584 mAntagonizer = new Antagonizer(notify, this); 585#endif 586} 587 588MediaPlayerService::Client::~Client() 589{ 590 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 591 mAudioOutput.clear(); 592 wp<Client> client(this); 593 disconnect(); 594 mService->removeClient(client); 595 if (mAudioAttributes != NULL) { 596 free(mAudioAttributes); 597 } 598} 599 600void MediaPlayerService::Client::disconnect() 601{ 602 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 603 // grab local reference and clear main reference to prevent future 604 // access to object 605 sp<MediaPlayerBase> p; 606 { 607 Mutex::Autolock l(mLock); 608 p = mPlayer; 609 mClient.clear(); 610 } 611 612 mPlayer.clear(); 613 614 // clear the notification to prevent callbacks to dead client 615 // and reset the player. We assume the player will serialize 616 // access to itself if necessary. 617 if (p != 0) { 618 p->setNotifyCallback(0, 0); 619#if CALLBACK_ANTAGONIZER 620 ALOGD("kill Antagonizer"); 621 mAntagonizer->kill(); 622#endif 623 p->reset(); 624 } 625 626 disconnectNativeWindow(); 627 628 IPCThreadState::self()->flushCommands(); 629} 630 631sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 632{ 633 // determine if we have the right player type 634 sp<MediaPlayerBase> p = mPlayer; 635 if ((p != NULL) && (p->playerType() != playerType)) { 636 ALOGV("delete player"); 637 p.clear(); 638 } 639 if (p == NULL) { 640 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 641 } 642 643 if (p != NULL) { 644 p->setUID(mUID); 645 } 646 647 return p; 648} 649 650sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 651 player_type playerType) 652{ 653 ALOGV("player type = %d", playerType); 654 655 // create the right type of player 656 sp<MediaPlayerBase> p = createPlayer(playerType); 657 if (p == NULL) { 658 return p; 659 } 660 661 if (!p->hardwareOutput()) { 662 mAudioOutput = new AudioOutput(mAudioSessionId, IPCThreadState::self()->getCallingUid(), 663 mPid, mAudioAttributes); 664 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 665 } 666 667 return p; 668} 669 670void MediaPlayerService::Client::setDataSource_post( 671 const sp<MediaPlayerBase>& p, 672 status_t status) 673{ 674 ALOGV(" setDataSource"); 675 mStatus = status; 676 if (mStatus != OK) { 677 ALOGE(" error: %d", mStatus); 678 return; 679 } 680 681 // Set the re-transmission endpoint if one was chosen. 682 if (mRetransmitEndpointValid) { 683 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 684 if (mStatus != NO_ERROR) { 685 ALOGE("setRetransmitEndpoint error: %d", mStatus); 686 } 687 } 688 689 if (mStatus == OK) { 690 mPlayer = p; 691 } 692} 693 694status_t MediaPlayerService::Client::setDataSource( 695 const sp<IMediaHTTPService> &httpService, 696 const char *url, 697 const KeyedVector<String8, String8> *headers) 698{ 699 ALOGV("setDataSource(%s)", url); 700 if (url == NULL) 701 return UNKNOWN_ERROR; 702 703 if ((strncmp(url, "http://", 7) == 0) || 704 (strncmp(url, "https://", 8) == 0) || 705 (strncmp(url, "rtsp://", 7) == 0)) { 706 if (!checkPermission("android.permission.INTERNET")) { 707 return PERMISSION_DENIED; 708 } 709 } 710 711 if (strncmp(url, "content://", 10) == 0) { 712 // get a filedescriptor for the content Uri and 713 // pass it to the setDataSource(fd) method 714 715 String16 url16(url); 716 int fd = android::openContentProviderFile(url16); 717 if (fd < 0) 718 { 719 ALOGE("Couldn't open fd for %s", url); 720 return UNKNOWN_ERROR; 721 } 722 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 723 close(fd); 724 return mStatus; 725 } else { 726 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 727 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 728 if (p == NULL) { 729 return NO_INIT; 730 } 731 732 setDataSource_post(p, p->setDataSource(httpService, url, headers)); 733 return mStatus; 734 } 735} 736 737status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 738{ 739 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 740 struct stat sb; 741 int ret = fstat(fd, &sb); 742 if (ret != 0) { 743 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 744 return UNKNOWN_ERROR; 745 } 746 747 ALOGV("st_dev = %llu", sb.st_dev); 748 ALOGV("st_mode = %u", sb.st_mode); 749 ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); 750 ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); 751 ALOGV("st_size = %llu", sb.st_size); 752 753 if (offset >= sb.st_size) { 754 ALOGE("offset error"); 755 ::close(fd); 756 return UNKNOWN_ERROR; 757 } 758 if (offset + length > sb.st_size) { 759 length = sb.st_size - offset; 760 ALOGV("calculated length = %lld", length); 761 } 762 763 player_type playerType = MediaPlayerFactory::getPlayerType(this, 764 fd, 765 offset, 766 length); 767 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 768 if (p == NULL) { 769 return NO_INIT; 770 } 771 772 // now set data source 773 setDataSource_post(p, p->setDataSource(fd, offset, length)); 774 return mStatus; 775} 776 777status_t MediaPlayerService::Client::setDataSource( 778 const sp<IStreamSource> &source) { 779 // create the right type of player 780 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 781 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 782 if (p == NULL) { 783 return NO_INIT; 784 } 785 786 // now set data source 787 setDataSource_post(p, p->setDataSource(source)); 788 return mStatus; 789} 790 791void MediaPlayerService::Client::disconnectNativeWindow() { 792 if (mConnectedWindow != NULL) { 793 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 794 NATIVE_WINDOW_API_MEDIA); 795 796 if (err != OK) { 797 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 798 strerror(-err), err); 799 } 800 } 801 mConnectedWindow.clear(); 802} 803 804status_t MediaPlayerService::Client::setVideoSurfaceTexture( 805 const sp<IGraphicBufferProducer>& bufferProducer) 806{ 807 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 808 sp<MediaPlayerBase> p = getPlayer(); 809 if (p == 0) return UNKNOWN_ERROR; 810 811 sp<IBinder> binder(bufferProducer == NULL ? NULL : 812 bufferProducer->asBinder()); 813 if (mConnectedWindowBinder == binder) { 814 return OK; 815 } 816 817 sp<ANativeWindow> anw; 818 if (bufferProducer != NULL) { 819 anw = new Surface(bufferProducer, true /* controlledByApp */); 820 status_t err = native_window_api_connect(anw.get(), 821 NATIVE_WINDOW_API_MEDIA); 822 823 if (err != OK) { 824 ALOGE("setVideoSurfaceTexture failed: %d", err); 825 // Note that we must do the reset before disconnecting from the ANW. 826 // Otherwise queue/dequeue calls could be made on the disconnected 827 // ANW, which may result in errors. 828 reset(); 829 830 disconnectNativeWindow(); 831 832 return err; 833 } 834 } 835 836 // Note that we must set the player's new GraphicBufferProducer before 837 // disconnecting the old one. Otherwise queue/dequeue calls could be made 838 // on the disconnected ANW, which may result in errors. 839 status_t err = p->setVideoSurfaceTexture(bufferProducer); 840 841 disconnectNativeWindow(); 842 843 mConnectedWindow = anw; 844 845 if (err == OK) { 846 mConnectedWindowBinder = binder; 847 } else { 848 disconnectNativeWindow(); 849 } 850 851 return err; 852} 853 854status_t MediaPlayerService::Client::invoke(const Parcel& request, 855 Parcel *reply) 856{ 857 sp<MediaPlayerBase> p = getPlayer(); 858 if (p == NULL) return UNKNOWN_ERROR; 859 return p->invoke(request, reply); 860} 861 862// This call doesn't need to access the native player. 863status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 864{ 865 status_t status; 866 media::Metadata::Filter allow, drop; 867 868 if (unmarshallFilter(filter, &allow, &status) && 869 unmarshallFilter(filter, &drop, &status)) { 870 Mutex::Autolock lock(mLock); 871 872 mMetadataAllow = allow; 873 mMetadataDrop = drop; 874 } 875 return status; 876} 877 878status_t MediaPlayerService::Client::getMetadata( 879 bool update_only, bool /*apply_filter*/, Parcel *reply) 880{ 881 sp<MediaPlayerBase> player = getPlayer(); 882 if (player == 0) return UNKNOWN_ERROR; 883 884 status_t status; 885 // Placeholder for the return code, updated by the caller. 886 reply->writeInt32(-1); 887 888 media::Metadata::Filter ids; 889 890 // We don't block notifications while we fetch the data. We clear 891 // mMetadataUpdated first so we don't lose notifications happening 892 // during the rest of this call. 893 { 894 Mutex::Autolock lock(mLock); 895 if (update_only) { 896 ids = mMetadataUpdated; 897 } 898 mMetadataUpdated.clear(); 899 } 900 901 media::Metadata metadata(reply); 902 903 metadata.appendHeader(); 904 status = player->getMetadata(ids, reply); 905 906 if (status != OK) { 907 metadata.resetParcel(); 908 ALOGE("getMetadata failed %d", status); 909 return status; 910 } 911 912 // FIXME: Implement filtering on the result. Not critical since 913 // filtering takes place on the update notifications already. This 914 // would be when all the metadata are fetch and a filter is set. 915 916 // Everything is fine, update the metadata length. 917 metadata.updateLength(); 918 return OK; 919} 920 921status_t MediaPlayerService::Client::prepareAsync() 922{ 923 ALOGV("[%d] prepareAsync", mConnId); 924 sp<MediaPlayerBase> p = getPlayer(); 925 if (p == 0) return UNKNOWN_ERROR; 926 status_t ret = p->prepareAsync(); 927#if CALLBACK_ANTAGONIZER 928 ALOGD("start Antagonizer"); 929 if (ret == NO_ERROR) mAntagonizer->start(); 930#endif 931 return ret; 932} 933 934status_t MediaPlayerService::Client::start() 935{ 936 ALOGV("[%d] start", mConnId); 937 sp<MediaPlayerBase> p = getPlayer(); 938 if (p == 0) return UNKNOWN_ERROR; 939 p->setLooping(mLoop); 940 return p->start(); 941} 942 943status_t MediaPlayerService::Client::stop() 944{ 945 ALOGV("[%d] stop", mConnId); 946 sp<MediaPlayerBase> p = getPlayer(); 947 if (p == 0) return UNKNOWN_ERROR; 948 return p->stop(); 949} 950 951status_t MediaPlayerService::Client::pause() 952{ 953 ALOGV("[%d] pause", mConnId); 954 sp<MediaPlayerBase> p = getPlayer(); 955 if (p == 0) return UNKNOWN_ERROR; 956 return p->pause(); 957} 958 959status_t MediaPlayerService::Client::isPlaying(bool* state) 960{ 961 *state = false; 962 sp<MediaPlayerBase> p = getPlayer(); 963 if (p == 0) return UNKNOWN_ERROR; 964 *state = p->isPlaying(); 965 ALOGV("[%d] isPlaying: %d", mConnId, *state); 966 return NO_ERROR; 967} 968 969status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 970{ 971 ALOGV("getCurrentPosition"); 972 sp<MediaPlayerBase> p = getPlayer(); 973 if (p == 0) return UNKNOWN_ERROR; 974 status_t ret = p->getCurrentPosition(msec); 975 if (ret == NO_ERROR) { 976 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 977 } else { 978 ALOGE("getCurrentPosition returned %d", ret); 979 } 980 return ret; 981} 982 983status_t MediaPlayerService::Client::getDuration(int *msec) 984{ 985 ALOGV("getDuration"); 986 sp<MediaPlayerBase> p = getPlayer(); 987 if (p == 0) return UNKNOWN_ERROR; 988 status_t ret = p->getDuration(msec); 989 if (ret == NO_ERROR) { 990 ALOGV("[%d] getDuration = %d", mConnId, *msec); 991 } else { 992 ALOGE("getDuration returned %d", ret); 993 } 994 return ret; 995} 996 997status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 998 ALOGV("setNextPlayer"); 999 Mutex::Autolock l(mLock); 1000 sp<Client> c = static_cast<Client*>(player.get()); 1001 mNextClient = c; 1002 1003 if (c != NULL) { 1004 if (mAudioOutput != NULL) { 1005 mAudioOutput->setNextOutput(c->mAudioOutput); 1006 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 1007 ALOGE("no current audio output"); 1008 } 1009 1010 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 1011 mPlayer->setNextPlayer(mNextClient->getPlayer()); 1012 } 1013 } 1014 1015 return OK; 1016} 1017 1018status_t MediaPlayerService::Client::seekTo(int msec) 1019{ 1020 ALOGV("[%d] seekTo(%d)", mConnId, msec); 1021 sp<MediaPlayerBase> p = getPlayer(); 1022 if (p == 0) return UNKNOWN_ERROR; 1023 return p->seekTo(msec); 1024} 1025 1026status_t MediaPlayerService::Client::reset() 1027{ 1028 ALOGV("[%d] reset", mConnId); 1029 mRetransmitEndpointValid = false; 1030 sp<MediaPlayerBase> p = getPlayer(); 1031 if (p == 0) return UNKNOWN_ERROR; 1032 return p->reset(); 1033} 1034 1035status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 1036{ 1037 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1038 // TODO: for hardware output, call player instead 1039 Mutex::Autolock l(mLock); 1040 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1041 return NO_ERROR; 1042} 1043 1044status_t MediaPlayerService::Client::setAudioAttributes_l(const Parcel &parcel) 1045{ 1046 if (mAudioAttributes != NULL) { free(mAudioAttributes); } 1047 mAudioAttributes = (audio_attributes_t *) calloc(1, sizeof(audio_attributes_t)); 1048 unmarshallAudioAttributes(parcel, mAudioAttributes); 1049 1050 ALOGV("setAudioAttributes_l() usage=%d content=%d flags=0x%x tags=%s", 1051 mAudioAttributes->usage, mAudioAttributes->content_type, mAudioAttributes->flags, 1052 mAudioAttributes->tags); 1053 1054 if (mAudioOutput != 0) { 1055 mAudioOutput->setAudioAttributes(mAudioAttributes); 1056 } 1057 return NO_ERROR; 1058} 1059 1060status_t MediaPlayerService::Client::setLooping(int loop) 1061{ 1062 ALOGV("[%d] setLooping(%d)", mConnId, loop); 1063 mLoop = loop; 1064 sp<MediaPlayerBase> p = getPlayer(); 1065 if (p != 0) return p->setLooping(loop); 1066 return NO_ERROR; 1067} 1068 1069status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1070{ 1071 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1072 1073 // for hardware output, call player instead 1074 sp<MediaPlayerBase> p = getPlayer(); 1075 { 1076 Mutex::Autolock l(mLock); 1077 if (p != 0 && p->hardwareOutput()) { 1078 MediaPlayerHWInterface* hwp = 1079 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 1080 return hwp->setVolume(leftVolume, rightVolume); 1081 } else { 1082 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1083 return NO_ERROR; 1084 } 1085 } 1086 1087 return NO_ERROR; 1088} 1089 1090status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1091{ 1092 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1093 Mutex::Autolock l(mLock); 1094 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1095 return NO_ERROR; 1096} 1097 1098status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1099{ 1100 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1101 Mutex::Autolock l(mLock); 1102 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1103 return NO_ERROR; 1104} 1105 1106status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1107 ALOGV("[%d] setParameter(%d)", mConnId, key); 1108 switch (key) { 1109 case KEY_PARAMETER_AUDIO_ATTRIBUTES: 1110 { 1111 Mutex::Autolock l(mLock); 1112 return setAudioAttributes_l(request); 1113 } 1114 default: 1115 sp<MediaPlayerBase> p = getPlayer(); 1116 if (p == 0) { return UNKNOWN_ERROR; } 1117 return p->setParameter(key, request); 1118 } 1119} 1120 1121status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1122 ALOGV("[%d] getParameter(%d)", mConnId, key); 1123 sp<MediaPlayerBase> p = getPlayer(); 1124 if (p == 0) return UNKNOWN_ERROR; 1125 return p->getParameter(key, reply); 1126} 1127 1128status_t MediaPlayerService::Client::setRetransmitEndpoint( 1129 const struct sockaddr_in* endpoint) { 1130 1131 if (NULL != endpoint) { 1132 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1133 uint16_t p = ntohs(endpoint->sin_port); 1134 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1135 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1136 } else { 1137 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1138 } 1139 1140 sp<MediaPlayerBase> p = getPlayer(); 1141 1142 // Right now, the only valid time to set a retransmit endpoint is before 1143 // player selection has been made (since the presence or absence of a 1144 // retransmit endpoint is going to determine which player is selected during 1145 // setDataSource). 1146 if (p != 0) return INVALID_OPERATION; 1147 1148 if (NULL != endpoint) { 1149 mRetransmitEndpoint = *endpoint; 1150 mRetransmitEndpointValid = true; 1151 } else { 1152 mRetransmitEndpointValid = false; 1153 } 1154 1155 return NO_ERROR; 1156} 1157 1158status_t MediaPlayerService::Client::getRetransmitEndpoint( 1159 struct sockaddr_in* endpoint) 1160{ 1161 if (NULL == endpoint) 1162 return BAD_VALUE; 1163 1164 sp<MediaPlayerBase> p = getPlayer(); 1165 1166 if (p != NULL) 1167 return p->getRetransmitEndpoint(endpoint); 1168 1169 if (!mRetransmitEndpointValid) 1170 return NO_INIT; 1171 1172 *endpoint = mRetransmitEndpoint; 1173 1174 return NO_ERROR; 1175} 1176 1177void MediaPlayerService::Client::notify( 1178 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1179{ 1180 Client* client = static_cast<Client*>(cookie); 1181 if (client == NULL) { 1182 return; 1183 } 1184 1185 sp<IMediaPlayerClient> c; 1186 { 1187 Mutex::Autolock l(client->mLock); 1188 c = client->mClient; 1189 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1190 if (client->mAudioOutput != NULL) 1191 client->mAudioOutput->switchToNextOutput(); 1192 client->mNextClient->start(); 1193 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1194 } 1195 } 1196 1197 if (MEDIA_INFO == msg && 1198 MEDIA_INFO_METADATA_UPDATE == ext1) { 1199 const media::Metadata::Type metadata_type = ext2; 1200 1201 if(client->shouldDropMetadata(metadata_type)) { 1202 return; 1203 } 1204 1205 // Update the list of metadata that have changed. getMetadata 1206 // also access mMetadataUpdated and clears it. 1207 client->addNewMetadataUpdate(metadata_type); 1208 } 1209 1210 if (c != NULL) { 1211 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1212 c->notify(msg, ext1, ext2, obj); 1213 } 1214} 1215 1216 1217bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1218{ 1219 Mutex::Autolock lock(mLock); 1220 1221 if (findMetadata(mMetadataDrop, code)) { 1222 return true; 1223 } 1224 1225 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1226 return false; 1227 } else { 1228 return true; 1229 } 1230} 1231 1232 1233void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1234 Mutex::Autolock lock(mLock); 1235 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1236 mMetadataUpdated.add(metadata_type); 1237 } 1238} 1239 1240#if CALLBACK_ANTAGONIZER 1241const int Antagonizer::interval = 10000; // 10 msecs 1242 1243Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1244 mExit(false), mActive(false), mClient(client), mCb(cb) 1245{ 1246 createThread(callbackThread, this); 1247} 1248 1249void Antagonizer::kill() 1250{ 1251 Mutex::Autolock _l(mLock); 1252 mActive = false; 1253 mExit = true; 1254 mCondition.wait(mLock); 1255} 1256 1257int Antagonizer::callbackThread(void* user) 1258{ 1259 ALOGD("Antagonizer started"); 1260 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1261 while (!p->mExit) { 1262 if (p->mActive) { 1263 ALOGV("send event"); 1264 p->mCb(p->mClient, 0, 0, 0); 1265 } 1266 usleep(interval); 1267 } 1268 Mutex::Autolock _l(p->mLock); 1269 p->mCondition.signal(); 1270 ALOGD("Antagonizer stopped"); 1271 return 0; 1272} 1273#endif 1274 1275status_t MediaPlayerService::decode( 1276 const sp<IMediaHTTPService> &httpService, 1277 const char* url, 1278 uint32_t *pSampleRate, 1279 int* pNumChannels, 1280 audio_format_t* pFormat, 1281 const sp<IMemoryHeap>& heap, 1282 size_t *pSize) 1283{ 1284 ALOGV("decode(%s)", url); 1285 sp<MediaPlayerBase> player; 1286 status_t status = BAD_VALUE; 1287 1288 // Protect our precious, precious DRMd ringtones by only allowing 1289 // decoding of http, but not filesystem paths or content Uris. 1290 // If the application wants to decode those, it should open a 1291 // filedescriptor for them and use that. 1292 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1293 ALOGD("Can't decode %s by path, use filedescriptor instead", url); 1294 return BAD_VALUE; 1295 } 1296 1297 player_type playerType = 1298 MediaPlayerFactory::getPlayerType(NULL /* client */, url); 1299 ALOGV("player type = %d", playerType); 1300 1301 // create the right type of player 1302 sp<AudioCache> cache = new AudioCache(heap); 1303 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1304 if (player == NULL) goto Exit; 1305 if (player->hardwareOutput()) goto Exit; 1306 1307 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1308 1309 // set data source 1310 if (player->setDataSource(httpService, url) != NO_ERROR) goto Exit; 1311 1312 ALOGV("prepare"); 1313 player->prepareAsync(); 1314 1315 ALOGV("wait for prepare"); 1316 if (cache->wait() != NO_ERROR) goto Exit; 1317 1318 ALOGV("start"); 1319 player->start(); 1320 1321 ALOGV("wait for playback complete"); 1322 cache->wait(); 1323 // in case of error, return what was successfully decoded. 1324 if (cache->size() == 0) { 1325 goto Exit; 1326 } 1327 1328 *pSize = cache->size(); 1329 *pSampleRate = cache->sampleRate(); 1330 *pNumChannels = cache->channelCount(); 1331 *pFormat = cache->format(); 1332 ALOGV("return size %d sampleRate=%u, channelCount = %d, format = %d", 1333 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1334 status = NO_ERROR; 1335 1336Exit: 1337 if (player != 0) player->reset(); 1338 return status; 1339} 1340 1341status_t MediaPlayerService::decode(int fd, int64_t offset, int64_t length, 1342 uint32_t *pSampleRate, int* pNumChannels, 1343 audio_format_t* pFormat, 1344 const sp<IMemoryHeap>& heap, size_t *pSize) 1345{ 1346 ALOGV("decode(%d, %lld, %lld)", fd, offset, length); 1347 sp<MediaPlayerBase> player; 1348 status_t status = BAD_VALUE; 1349 1350 player_type playerType = MediaPlayerFactory::getPlayerType(NULL /* client */, 1351 fd, 1352 offset, 1353 length); 1354 ALOGV("player type = %d", playerType); 1355 1356 // create the right type of player 1357 sp<AudioCache> cache = new AudioCache(heap); 1358 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1359 if (player == NULL) goto Exit; 1360 if (player->hardwareOutput()) goto Exit; 1361 1362 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1363 1364 // set data source 1365 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1366 1367 ALOGV("prepare"); 1368 player->prepareAsync(); 1369 1370 ALOGV("wait for prepare"); 1371 if (cache->wait() != NO_ERROR) goto Exit; 1372 1373 ALOGV("start"); 1374 player->start(); 1375 1376 ALOGV("wait for playback complete"); 1377 cache->wait(); 1378 // in case of error, return what was successfully decoded. 1379 if (cache->size() == 0) { 1380 goto Exit; 1381 } 1382 1383 *pSize = cache->size(); 1384 *pSampleRate = cache->sampleRate(); 1385 *pNumChannels = cache->channelCount(); 1386 *pFormat = cache->format(); 1387 ALOGV("return size %d, sampleRate=%u, channelCount = %d, format = %d", 1388 *pSize, *pSampleRate, *pNumChannels, *pFormat); 1389 status = NO_ERROR; 1390 1391Exit: 1392 if (player != 0) player->reset(); 1393 ::close(fd); 1394 return status; 1395} 1396 1397 1398#undef LOG_TAG 1399#define LOG_TAG "AudioSink" 1400MediaPlayerService::AudioOutput::AudioOutput(int sessionId, int uid, int pid, 1401 const audio_attributes_t* attr) 1402 : mCallback(NULL), 1403 mCallbackCookie(NULL), 1404 mCallbackData(NULL), 1405 mBytesWritten(0), 1406 mSessionId(sessionId), 1407 mUid(uid), 1408 mPid(pid), 1409 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1410 ALOGV("AudioOutput(%d)", sessionId); 1411 mStreamType = AUDIO_STREAM_MUSIC; 1412 mLeftVolume = 1.0; 1413 mRightVolume = 1.0; 1414 mPlaybackRatePermille = 1000; 1415 mSampleRateHz = 0; 1416 mMsecsPerFrame = 0; 1417 mAuxEffectId = 0; 1418 mSendLevel = 0.0; 1419 setMinBufferCount(); 1420 mAttributes = attr; 1421} 1422 1423MediaPlayerService::AudioOutput::~AudioOutput() 1424{ 1425 close(); 1426 delete mCallbackData; 1427} 1428 1429void MediaPlayerService::AudioOutput::setMinBufferCount() 1430{ 1431 char value[PROPERTY_VALUE_MAX]; 1432 if (property_get("ro.kernel.qemu", value, 0)) { 1433 mIsOnEmulator = true; 1434 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1435 } 1436} 1437 1438bool MediaPlayerService::AudioOutput::isOnEmulator() 1439{ 1440 setMinBufferCount(); 1441 return mIsOnEmulator; 1442} 1443 1444int MediaPlayerService::AudioOutput::getMinBufferCount() 1445{ 1446 setMinBufferCount(); 1447 return mMinBufferCount; 1448} 1449 1450ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1451{ 1452 if (mTrack == 0) return NO_INIT; 1453 return mTrack->frameCount() * frameSize(); 1454} 1455 1456ssize_t MediaPlayerService::AudioOutput::frameCount() const 1457{ 1458 if (mTrack == 0) return NO_INIT; 1459 return mTrack->frameCount(); 1460} 1461 1462ssize_t MediaPlayerService::AudioOutput::channelCount() const 1463{ 1464 if (mTrack == 0) return NO_INIT; 1465 return mTrack->channelCount(); 1466} 1467 1468ssize_t MediaPlayerService::AudioOutput::frameSize() const 1469{ 1470 if (mTrack == 0) return NO_INIT; 1471 return mTrack->frameSize(); 1472} 1473 1474uint32_t MediaPlayerService::AudioOutput::latency () const 1475{ 1476 if (mTrack == 0) return 0; 1477 return mTrack->latency(); 1478} 1479 1480float MediaPlayerService::AudioOutput::msecsPerFrame() const 1481{ 1482 return mMsecsPerFrame; 1483} 1484 1485status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1486{ 1487 if (mTrack == 0) return NO_INIT; 1488 return mTrack->getPosition(position); 1489} 1490 1491status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1492{ 1493 if (mTrack == 0) return NO_INIT; 1494 *frameswritten = mBytesWritten / frameSize(); 1495 return OK; 1496} 1497 1498status_t MediaPlayerService::AudioOutput::setParameters(const String8& keyValuePairs) 1499{ 1500 if (mTrack == 0) return NO_INIT; 1501 return mTrack->setParameters(keyValuePairs); 1502} 1503 1504String8 MediaPlayerService::AudioOutput::getParameters(const String8& keys) 1505{ 1506 if (mTrack == 0) return String8::empty(); 1507 return mTrack->getParameters(keys); 1508} 1509 1510void MediaPlayerService::AudioOutput::setAudioAttributes(const audio_attributes_t * attributes) { 1511 mAttributes = attributes; 1512} 1513 1514void MediaPlayerService::AudioOutput::deleteRecycledTrack() 1515{ 1516 ALOGV("deleteRecycledTrack"); 1517 1518 if (mRecycledTrack != 0) { 1519 1520 if (mCallbackData != NULL) { 1521 mCallbackData->setOutput(NULL); 1522 mCallbackData->endTrackSwitch(); 1523 } 1524 1525 if ((mRecycledTrack->getFlags() & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1526 mRecycledTrack->flush(); 1527 } 1528 // An offloaded track isn't flushed because the STREAM_END is reported 1529 // slightly prematurely to allow time for the gapless track switch 1530 // but this means that if we decide not to recycle the track there 1531 // could be a small amount of residual data still playing. We leave 1532 // AudioFlinger to drain the track. 1533 1534 mRecycledTrack.clear(); 1535 delete mCallbackData; 1536 mCallbackData = NULL; 1537 close(); 1538 } 1539} 1540 1541status_t MediaPlayerService::AudioOutput::open( 1542 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1543 audio_format_t format, int bufferCount, 1544 AudioCallback cb, void *cookie, 1545 audio_output_flags_t flags, 1546 const audio_offload_info_t *offloadInfo) 1547{ 1548 mCallback = cb; 1549 mCallbackCookie = cookie; 1550 1551 // Check argument "bufferCount" against the mininum buffer count 1552 if (bufferCount < mMinBufferCount) { 1553 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1554 bufferCount = mMinBufferCount; 1555 1556 } 1557 ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask, 1558 format, bufferCount, mSessionId, flags); 1559 uint32_t afSampleRate; 1560 size_t afFrameCount; 1561 size_t frameCount; 1562 1563 // offloading is only supported in callback mode for now. 1564 // offloadInfo must be present if offload flag is set 1565 if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) && 1566 ((cb == NULL) || (offloadInfo == NULL))) { 1567 return BAD_VALUE; 1568 } 1569 1570 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) { 1571 frameCount = 0; // AudioTrack will get frame count from AudioFlinger 1572 } else { 1573 uint32_t afSampleRate; 1574 size_t afFrameCount; 1575 1576 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1577 return NO_INIT; 1578 } 1579 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1580 return NO_INIT; 1581 } 1582 1583 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1584 } 1585 1586 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1587 channelMask = audio_channel_out_mask_from_count(channelCount); 1588 if (0 == channelMask) { 1589 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1590 return NO_INIT; 1591 } 1592 } 1593 1594 // Check whether we can recycle the track 1595 bool reuse = false; 1596 bool bothOffloaded = false; 1597 1598 if (mRecycledTrack != 0) { 1599 // check whether we are switching between two offloaded tracks 1600 bothOffloaded = (flags & mRecycledTrack->getFlags() 1601 & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0; 1602 1603 // check if the existing track can be reused as-is, or if a new track needs to be created. 1604 reuse = true; 1605 1606 if ((mCallbackData == NULL && mCallback != NULL) || 1607 (mCallbackData != NULL && mCallback == NULL)) { 1608 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1609 ALOGV("can't chain callback and write"); 1610 reuse = false; 1611 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1612 (mRecycledTrack->channelCount() != (uint32_t)channelCount) ) { 1613 ALOGV("samplerate, channelcount differ: %u/%u Hz, %u/%d ch", 1614 mRecycledTrack->getSampleRate(), sampleRate, 1615 mRecycledTrack->channelCount(), channelCount); 1616 reuse = false; 1617 } else if (flags != mFlags) { 1618 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1619 reuse = false; 1620 } else if (mRecycledTrack->format() != format) { 1621 reuse = false; 1622 } 1623 } else { 1624 ALOGV("no track available to recycle"); 1625 } 1626 1627 ALOGV_IF(bothOffloaded, "both tracks offloaded"); 1628 1629 // If we can't recycle and both tracks are offloaded 1630 // we must close the previous output before opening a new one 1631 if (bothOffloaded && !reuse) { 1632 ALOGV("both offloaded and not recycling"); 1633 deleteRecycledTrack(); 1634 } 1635 1636 sp<AudioTrack> t; 1637 CallbackData *newcbd = NULL; 1638 1639 // We don't attempt to create a new track if we are recycling an 1640 // offloaded track. But, if we are recycling a non-offloaded or we 1641 // are switching where one is offloaded and one isn't then we create 1642 // the new track in advance so that we can read additional stream info 1643 1644 if (!(reuse && bothOffloaded)) { 1645 ALOGV("creating new AudioTrack"); 1646 1647 if (mCallback != NULL) { 1648 newcbd = new CallbackData(this); 1649 t = new AudioTrack( 1650 mStreamType, 1651 sampleRate, 1652 format, 1653 channelMask, 1654 frameCount, 1655 flags, 1656 CallbackWrapper, 1657 newcbd, 1658 0, // notification frames 1659 mSessionId, 1660 AudioTrack::TRANSFER_CALLBACK, 1661 offloadInfo, 1662 mUid, 1663 mPid, 1664 mAttributes); 1665 } else { 1666 t = new AudioTrack( 1667 mStreamType, 1668 sampleRate, 1669 format, 1670 channelMask, 1671 frameCount, 1672 flags, 1673 NULL, // callback 1674 NULL, // user data 1675 0, // notification frames 1676 mSessionId, 1677 AudioTrack::TRANSFER_DEFAULT, 1678 NULL, // offload info 1679 mUid, 1680 mPid, 1681 mAttributes); 1682 } 1683 1684 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1685 ALOGE("Unable to create audio track"); 1686 delete newcbd; 1687 return NO_INIT; 1688 } else { 1689 // successful AudioTrack initialization implies a legacy stream type was generated 1690 // from the audio attributes 1691 mStreamType = t->streamType(); 1692 } 1693 } 1694 1695 if (reuse) { 1696 CHECK(mRecycledTrack != NULL); 1697 1698 if (!bothOffloaded) { 1699 if (mRecycledTrack->frameCount() != t->frameCount()) { 1700 ALOGV("framecount differs: %u/%u frames", 1701 mRecycledTrack->frameCount(), t->frameCount()); 1702 reuse = false; 1703 } 1704 } 1705 1706 if (reuse) { 1707 ALOGV("chaining to next output and recycling track"); 1708 close(); 1709 mTrack = mRecycledTrack; 1710 mRecycledTrack.clear(); 1711 if (mCallbackData != NULL) { 1712 mCallbackData->setOutput(this); 1713 } 1714 delete newcbd; 1715 return OK; 1716 } 1717 } 1718 1719 // we're not going to reuse the track, unblock and flush it 1720 // this was done earlier if both tracks are offloaded 1721 if (!bothOffloaded) { 1722 deleteRecycledTrack(); 1723 } 1724 1725 CHECK((t != NULL) && ((mCallback == NULL) || (newcbd != NULL))); 1726 1727 mCallbackData = newcbd; 1728 ALOGV("setVolume"); 1729 t->setVolume(mLeftVolume, mRightVolume); 1730 1731 mSampleRateHz = sampleRate; 1732 mFlags = flags; 1733 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1734 uint32_t pos; 1735 if (t->getPosition(&pos) == OK) { 1736 mBytesWritten = uint64_t(pos) * t->frameSize(); 1737 } 1738 mTrack = t; 1739 1740 status_t res = NO_ERROR; 1741 if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) { 1742 res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1743 if (res == NO_ERROR) { 1744 t->setAuxEffectSendLevel(mSendLevel); 1745 res = t->attachAuxEffect(mAuxEffectId); 1746 } 1747 } 1748 ALOGV("open() DONE status %d", res); 1749 return res; 1750} 1751 1752status_t MediaPlayerService::AudioOutput::start() 1753{ 1754 ALOGV("start"); 1755 if (mCallbackData != NULL) { 1756 mCallbackData->endTrackSwitch(); 1757 } 1758 if (mTrack != 0) { 1759 mTrack->setVolume(mLeftVolume, mRightVolume); 1760 mTrack->setAuxEffectSendLevel(mSendLevel); 1761 return mTrack->start(); 1762 } 1763 return NO_INIT; 1764} 1765 1766void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1767 mNextOutput = nextOutput; 1768} 1769 1770 1771void MediaPlayerService::AudioOutput::switchToNextOutput() { 1772 ALOGV("switchToNextOutput"); 1773 if (mNextOutput != NULL) { 1774 if (mCallbackData != NULL) { 1775 mCallbackData->beginTrackSwitch(); 1776 } 1777 delete mNextOutput->mCallbackData; 1778 mNextOutput->mCallbackData = mCallbackData; 1779 mCallbackData = NULL; 1780 mNextOutput->mRecycledTrack = mTrack; 1781 mTrack.clear(); 1782 mNextOutput->mSampleRateHz = mSampleRateHz; 1783 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1784 mNextOutput->mBytesWritten = mBytesWritten; 1785 mNextOutput->mFlags = mFlags; 1786 } 1787} 1788 1789ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1790{ 1791 LOG_ALWAYS_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1792 1793 //ALOGV("write(%p, %u)", buffer, size); 1794 if (mTrack != 0) { 1795 ssize_t ret = mTrack->write(buffer, size); 1796 mBytesWritten += ret; 1797 return ret; 1798 } 1799 return NO_INIT; 1800} 1801 1802void MediaPlayerService::AudioOutput::stop() 1803{ 1804 ALOGV("stop"); 1805 if (mTrack != 0) mTrack->stop(); 1806} 1807 1808void MediaPlayerService::AudioOutput::flush() 1809{ 1810 ALOGV("flush"); 1811 if (mTrack != 0) mTrack->flush(); 1812} 1813 1814void MediaPlayerService::AudioOutput::pause() 1815{ 1816 ALOGV("pause"); 1817 if (mTrack != 0) mTrack->pause(); 1818} 1819 1820void MediaPlayerService::AudioOutput::close() 1821{ 1822 ALOGV("close"); 1823 mTrack.clear(); 1824} 1825 1826void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1827{ 1828 ALOGV("setVolume(%f, %f)", left, right); 1829 mLeftVolume = left; 1830 mRightVolume = right; 1831 if (mTrack != 0) { 1832 mTrack->setVolume(left, right); 1833 } 1834} 1835 1836status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1837{ 1838 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1839 status_t res = NO_ERROR; 1840 if (mTrack != 0) { 1841 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1842 } else { 1843 res = NO_INIT; 1844 } 1845 mPlaybackRatePermille = ratePermille; 1846 if (mSampleRateHz != 0) { 1847 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1848 } 1849 return res; 1850} 1851 1852status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1853{ 1854 ALOGV("setAuxEffectSendLevel(%f)", level); 1855 mSendLevel = level; 1856 if (mTrack != 0) { 1857 return mTrack->setAuxEffectSendLevel(level); 1858 } 1859 return NO_ERROR; 1860} 1861 1862status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1863{ 1864 ALOGV("attachAuxEffect(%d)", effectId); 1865 mAuxEffectId = effectId; 1866 if (mTrack != 0) { 1867 return mTrack->attachAuxEffect(effectId); 1868 } 1869 return NO_ERROR; 1870} 1871 1872// static 1873void MediaPlayerService::AudioOutput::CallbackWrapper( 1874 int event, void *cookie, void *info) { 1875 //ALOGV("callbackwrapper"); 1876 CallbackData *data = (CallbackData*)cookie; 1877 data->lock(); 1878 AudioOutput *me = data->getOutput(); 1879 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1880 if (me == NULL) { 1881 // no output set, likely because the track was scheduled to be reused 1882 // by another player, but the format turned out to be incompatible. 1883 data->unlock(); 1884 if (buffer != NULL) { 1885 buffer->size = 0; 1886 } 1887 return; 1888 } 1889 1890 switch(event) { 1891 case AudioTrack::EVENT_MORE_DATA: { 1892 size_t actualSize = (*me->mCallback)( 1893 me, buffer->raw, buffer->size, me->mCallbackCookie, 1894 CB_EVENT_FILL_BUFFER); 1895 1896 if (actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1897 // We've reached EOS but the audio track is not stopped yet, 1898 // keep playing silence. 1899 1900 memset(buffer->raw, 0, buffer->size); 1901 actualSize = buffer->size; 1902 } 1903 1904 buffer->size = actualSize; 1905 } break; 1906 1907 1908 case AudioTrack::EVENT_STREAM_END: 1909 ALOGV("callbackwrapper: deliver EVENT_STREAM_END"); 1910 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1911 me->mCallbackCookie, CB_EVENT_STREAM_END); 1912 break; 1913 1914 case AudioTrack::EVENT_NEW_IAUDIOTRACK : 1915 ALOGV("callbackwrapper: deliver EVENT_TEAR_DOWN"); 1916 (*me->mCallback)(me, NULL /* buffer */, 0 /* size */, 1917 me->mCallbackCookie, CB_EVENT_TEAR_DOWN); 1918 break; 1919 1920 default: 1921 ALOGE("received unknown event type: %d inside CallbackWrapper !", event); 1922 } 1923 1924 data->unlock(); 1925} 1926 1927int MediaPlayerService::AudioOutput::getSessionId() const 1928{ 1929 return mSessionId; 1930} 1931 1932uint32_t MediaPlayerService::AudioOutput::getSampleRate() const 1933{ 1934 if (mTrack == 0) return 0; 1935 return mTrack->getSampleRate(); 1936} 1937 1938#undef LOG_TAG 1939#define LOG_TAG "AudioCache" 1940MediaPlayerService::AudioCache::AudioCache(const sp<IMemoryHeap>& heap) : 1941 mHeap(heap), mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1942 mError(NO_ERROR), mCommandComplete(false) 1943{ 1944} 1945 1946uint32_t MediaPlayerService::AudioCache::latency () const 1947{ 1948 return 0; 1949} 1950 1951float MediaPlayerService::AudioCache::msecsPerFrame() const 1952{ 1953 return mMsecsPerFrame; 1954} 1955 1956status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) const 1957{ 1958 if (position == 0) return BAD_VALUE; 1959 *position = mSize; 1960 return NO_ERROR; 1961} 1962 1963status_t MediaPlayerService::AudioCache::getFramesWritten(uint32_t *written) const 1964{ 1965 if (written == 0) return BAD_VALUE; 1966 *written = mSize; 1967 return NO_ERROR; 1968} 1969 1970//////////////////////////////////////////////////////////////////////////////// 1971 1972struct CallbackThread : public Thread { 1973 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1974 MediaPlayerBase::AudioSink::AudioCallback cb, 1975 void *cookie); 1976 1977protected: 1978 virtual ~CallbackThread(); 1979 1980 virtual bool threadLoop(); 1981 1982private: 1983 wp<MediaPlayerBase::AudioSink> mSink; 1984 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1985 void *mCookie; 1986 void *mBuffer; 1987 size_t mBufferSize; 1988 1989 CallbackThread(const CallbackThread &); 1990 CallbackThread &operator=(const CallbackThread &); 1991}; 1992 1993CallbackThread::CallbackThread( 1994 const wp<MediaPlayerBase::AudioSink> &sink, 1995 MediaPlayerBase::AudioSink::AudioCallback cb, 1996 void *cookie) 1997 : mSink(sink), 1998 mCallback(cb), 1999 mCookie(cookie), 2000 mBuffer(NULL), 2001 mBufferSize(0) { 2002} 2003 2004CallbackThread::~CallbackThread() { 2005 if (mBuffer) { 2006 free(mBuffer); 2007 mBuffer = NULL; 2008 } 2009} 2010 2011bool CallbackThread::threadLoop() { 2012 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 2013 if (sink == NULL) { 2014 return false; 2015 } 2016 2017 if (mBuffer == NULL) { 2018 mBufferSize = sink->bufferSize(); 2019 mBuffer = malloc(mBufferSize); 2020 } 2021 2022 size_t actualSize = 2023 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie, 2024 MediaPlayerBase::AudioSink::CB_EVENT_FILL_BUFFER); 2025 2026 if (actualSize > 0) { 2027 sink->write(mBuffer, actualSize); 2028 } 2029 2030 return true; 2031} 2032 2033//////////////////////////////////////////////////////////////////////////////// 2034 2035status_t MediaPlayerService::AudioCache::open( 2036 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 2037 audio_format_t format, int bufferCount, 2038 AudioCallback cb, void *cookie, audio_output_flags_t /*flags*/, 2039 const audio_offload_info_t* /*offloadInfo*/) 2040{ 2041 ALOGV("open(%u, %d, 0x%x, %d, %d)", sampleRate, channelCount, channelMask, format, bufferCount); 2042 if (mHeap->getHeapID() < 0) { 2043 return NO_INIT; 2044 } 2045 2046 mSampleRate = sampleRate; 2047 mChannelCount = (uint16_t)channelCount; 2048 mFormat = format; 2049 mMsecsPerFrame = 1.e3 / (float) sampleRate; 2050 2051 if (cb != NULL) { 2052 mCallbackThread = new CallbackThread(this, cb, cookie); 2053 } 2054 return NO_ERROR; 2055} 2056 2057status_t MediaPlayerService::AudioCache::start() { 2058 if (mCallbackThread != NULL) { 2059 mCallbackThread->run("AudioCache callback"); 2060 } 2061 return NO_ERROR; 2062} 2063 2064void MediaPlayerService::AudioCache::stop() { 2065 if (mCallbackThread != NULL) { 2066 mCallbackThread->requestExitAndWait(); 2067 } 2068} 2069 2070ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 2071{ 2072 ALOGV("write(%p, %u)", buffer, size); 2073 if ((buffer == 0) || (size == 0)) return size; 2074 2075 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 2076 if (p == NULL) return NO_INIT; 2077 p += mSize; 2078 ALOGV("memcpy(%p, %p, %u)", p, buffer, size); 2079 if (mSize + size > mHeap->getSize()) { 2080 ALOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 2081 size = mHeap->getSize() - mSize; 2082 } 2083 memcpy(p, buffer, size); 2084 mSize += size; 2085 return size; 2086} 2087 2088// call with lock held 2089status_t MediaPlayerService::AudioCache::wait() 2090{ 2091 Mutex::Autolock lock(mLock); 2092 while (!mCommandComplete) { 2093 mSignal.wait(mLock); 2094 } 2095 mCommandComplete = false; 2096 2097 if (mError == NO_ERROR) { 2098 ALOGV("wait - success"); 2099 } else { 2100 ALOGV("wait - error"); 2101 } 2102 return mError; 2103} 2104 2105void MediaPlayerService::AudioCache::notify( 2106 void* cookie, int msg, int ext1, int ext2, const Parcel* /*obj*/) 2107{ 2108 ALOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 2109 AudioCache* p = static_cast<AudioCache*>(cookie); 2110 2111 // ignore buffering messages 2112 switch (msg) 2113 { 2114 case MEDIA_ERROR: 2115 ALOGE("Error %d, %d occurred", ext1, ext2); 2116 p->mError = ext1; 2117 break; 2118 case MEDIA_PREPARED: 2119 ALOGV("prepared"); 2120 break; 2121 case MEDIA_PLAYBACK_COMPLETE: 2122 ALOGV("playback complete"); 2123 break; 2124 default: 2125 ALOGV("ignored"); 2126 return; 2127 } 2128 2129 // wake up thread 2130 Mutex::Autolock lock(p->mLock); 2131 p->mCommandComplete = true; 2132 p->mSignal.signal(); 2133} 2134 2135int MediaPlayerService::AudioCache::getSessionId() const 2136{ 2137 return 0; 2138} 2139 2140uint32_t MediaPlayerService::AudioCache::getSampleRate() const 2141{ 2142 if (mMsecsPerFrame == 0) { 2143 return 0; 2144 } 2145 return (uint32_t)(1.e3 / mMsecsPerFrame); 2146} 2147 2148void MediaPlayerService::addBatteryData(uint32_t params) 2149{ 2150 Mutex::Autolock lock(mLock); 2151 2152 int32_t time = systemTime() / 1000000L; 2153 2154 // change audio output devices. This notification comes from AudioFlinger 2155 if ((params & kBatteryDataSpeakerOn) 2156 || (params & kBatteryDataOtherAudioDeviceOn)) { 2157 2158 int deviceOn[NUM_AUDIO_DEVICES]; 2159 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2160 deviceOn[i] = 0; 2161 } 2162 2163 if ((params & kBatteryDataSpeakerOn) 2164 && (params & kBatteryDataOtherAudioDeviceOn)) { 2165 deviceOn[SPEAKER_AND_OTHER] = 1; 2166 } else if (params & kBatteryDataSpeakerOn) { 2167 deviceOn[SPEAKER] = 1; 2168 } else { 2169 deviceOn[OTHER_AUDIO_DEVICE] = 1; 2170 } 2171 2172 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2173 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 2174 2175 if (mBatteryAudio.refCount > 0) { // if playing audio 2176 if (!deviceOn[i]) { 2177 mBatteryAudio.lastTime[i] += time; 2178 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2179 mBatteryAudio.lastTime[i] = 0; 2180 } else { 2181 mBatteryAudio.lastTime[i] = 0 - time; 2182 } 2183 } 2184 2185 mBatteryAudio.deviceOn[i] = deviceOn[i]; 2186 } 2187 } 2188 return; 2189 } 2190 2191 // an sudio stream is started 2192 if (params & kBatteryDataAudioFlingerStart) { 2193 // record the start time only if currently no other audio 2194 // is being played 2195 if (mBatteryAudio.refCount == 0) { 2196 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2197 if (mBatteryAudio.deviceOn[i]) { 2198 mBatteryAudio.lastTime[i] -= time; 2199 } 2200 } 2201 } 2202 2203 mBatteryAudio.refCount ++; 2204 return; 2205 2206 } else if (params & kBatteryDataAudioFlingerStop) { 2207 if (mBatteryAudio.refCount <= 0) { 2208 ALOGW("Battery track warning: refCount is <= 0"); 2209 return; 2210 } 2211 2212 // record the stop time only if currently this is the only 2213 // audio being played 2214 if (mBatteryAudio.refCount == 1) { 2215 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2216 if (mBatteryAudio.deviceOn[i]) { 2217 mBatteryAudio.lastTime[i] += time; 2218 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 2219 mBatteryAudio.lastTime[i] = 0; 2220 } 2221 } 2222 } 2223 2224 mBatteryAudio.refCount --; 2225 return; 2226 } 2227 2228 int uid = IPCThreadState::self()->getCallingUid(); 2229 if (uid == AID_MEDIA) { 2230 return; 2231 } 2232 int index = mBatteryData.indexOfKey(uid); 2233 2234 if (index < 0) { // create a new entry for this UID 2235 BatteryUsageInfo info; 2236 info.audioTotalTime = 0; 2237 info.videoTotalTime = 0; 2238 info.audioLastTime = 0; 2239 info.videoLastTime = 0; 2240 info.refCount = 0; 2241 2242 if (mBatteryData.add(uid, info) == NO_MEMORY) { 2243 ALOGE("Battery track error: no memory for new app"); 2244 return; 2245 } 2246 } 2247 2248 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 2249 2250 if (params & kBatteryDataCodecStarted) { 2251 if (params & kBatteryDataTrackAudio) { 2252 info.audioLastTime -= time; 2253 info.refCount ++; 2254 } 2255 if (params & kBatteryDataTrackVideo) { 2256 info.videoLastTime -= time; 2257 info.refCount ++; 2258 } 2259 } else { 2260 if (info.refCount == 0) { 2261 ALOGW("Battery track warning: refCount is already 0"); 2262 return; 2263 } else if (info.refCount < 0) { 2264 ALOGE("Battery track error: refCount < 0"); 2265 mBatteryData.removeItem(uid); 2266 return; 2267 } 2268 2269 if (params & kBatteryDataTrackAudio) { 2270 info.audioLastTime += time; 2271 info.refCount --; 2272 } 2273 if (params & kBatteryDataTrackVideo) { 2274 info.videoLastTime += time; 2275 info.refCount --; 2276 } 2277 2278 // no stream is being played by this UID 2279 if (info.refCount == 0) { 2280 info.audioTotalTime += info.audioLastTime; 2281 info.audioLastTime = 0; 2282 info.videoTotalTime += info.videoLastTime; 2283 info.videoLastTime = 0; 2284 } 2285 } 2286} 2287 2288status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2289 Mutex::Autolock lock(mLock); 2290 2291 // audio output devices usage 2292 int32_t time = systemTime() / 1000000L; //in ms 2293 int32_t totalTime; 2294 2295 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2296 totalTime = mBatteryAudio.totalTime[i]; 2297 2298 if (mBatteryAudio.deviceOn[i] 2299 && (mBatteryAudio.lastTime[i] != 0)) { 2300 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2301 totalTime += tmpTime; 2302 } 2303 2304 reply->writeInt32(totalTime); 2305 // reset the total time 2306 mBatteryAudio.totalTime[i] = 0; 2307 } 2308 2309 // codec usage 2310 BatteryUsageInfo info; 2311 int size = mBatteryData.size(); 2312 2313 reply->writeInt32(size); 2314 int i = 0; 2315 2316 while (i < size) { 2317 info = mBatteryData.valueAt(i); 2318 2319 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2320 reply->writeInt32(info.audioTotalTime); 2321 reply->writeInt32(info.videoTotalTime); 2322 2323 info.audioTotalTime = 0; 2324 info.videoTotalTime = 0; 2325 2326 // remove the UID entry where no stream is being played 2327 if (info.refCount <= 0) { 2328 mBatteryData.removeItemsAt(i); 2329 size --; 2330 i --; 2331 } 2332 i++; 2333 } 2334 return NO_ERROR; 2335} 2336} // namespace android 2337