MediaPlayerService.cpp revision 9b80c2bdb205bc143104f54d0743b6eedd67b14e
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 <android_runtime/ActivityManager.h> 38 39#include <binder/IPCThreadState.h> 40#include <binder/IServiceManager.h> 41#include <binder/MemoryHeapBase.h> 42#include <binder/MemoryBase.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#include <cutils/properties.h> 48 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 56#include <system/audio.h> 57 58#include <private/android_filesystem_config.h> 59 60#include "MediaRecorderClient.h" 61#include "MediaPlayerService.h" 62#include "MetadataRetrieverClient.h" 63 64#include "MidiFile.h" 65#include "TestPlayerStub.h" 66#include "StagefrightPlayer.h" 67#include "nuplayer/NuPlayerDriver.h" 68 69#include <OMX.h> 70 71namespace { 72using android::media::Metadata; 73using android::status_t; 74using android::OK; 75using android::BAD_VALUE; 76using android::NOT_ENOUGH_DATA; 77using android::Parcel; 78 79// Max number of entries in the filter. 80const int kMaxFilterSize = 64; // I pulled that out of thin air. 81 82// FIXME: Move all the metadata related function in the Metadata.cpp 83 84 85// Unmarshall a filter from a Parcel. 86// Filter format in a parcel: 87// 88// 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 89// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 90// | number of entries (n) | 91// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 92// | metadata type 1 | 93// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 94// | metadata type 2 | 95// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 96// .... 97// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 98// | metadata type n | 99// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 100// 101// @param p Parcel that should start with a filter. 102// @param[out] filter On exit contains the list of metadata type to be 103// filtered. 104// @param[out] status On exit contains the status code to be returned. 105// @return true if the parcel starts with a valid filter. 106bool unmarshallFilter(const Parcel& p, 107 Metadata::Filter *filter, 108 status_t *status) 109{ 110 int32_t val; 111 if (p.readInt32(&val) != OK) 112 { 113 LOGE("Failed to read filter's length"); 114 *status = NOT_ENOUGH_DATA; 115 return false; 116 } 117 118 if( val > kMaxFilterSize || val < 0) 119 { 120 LOGE("Invalid filter len %d", val); 121 *status = BAD_VALUE; 122 return false; 123 } 124 125 const size_t num = val; 126 127 filter->clear(); 128 filter->setCapacity(num); 129 130 size_t size = num * sizeof(Metadata::Type); 131 132 133 if (p.dataAvail() < size) 134 { 135 LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 136 *status = NOT_ENOUGH_DATA; 137 return false; 138 } 139 140 const Metadata::Type *data = 141 static_cast<const Metadata::Type*>(p.readInplace(size)); 142 143 if (NULL == data) 144 { 145 LOGE("Filter had no data"); 146 *status = BAD_VALUE; 147 return false; 148 } 149 150 // TODO: The stl impl of vector would be more efficient here 151 // because it degenerates into a memcpy on pod types. Try to 152 // replace later or use stl::set. 153 for (size_t i = 0; i < num; ++i) 154 { 155 filter->add(*data); 156 ++data; 157 } 158 *status = OK; 159 return true; 160} 161 162// @param filter Of metadata type. 163// @param val To be searched. 164// @return true if a match was found. 165bool findMetadata(const Metadata::Filter& filter, const int32_t val) 166{ 167 // Deal with empty and ANY right away 168 if (filter.isEmpty()) return false; 169 if (filter[0] == Metadata::kAny) return true; 170 171 return filter.indexOf(val) >= 0; 172} 173 174} // anonymous namespace 175 176 177namespace android { 178 179// TODO: Temp hack until we can register players 180typedef struct { 181 const char *extension; 182 const player_type playertype; 183} extmap; 184extmap FILE_EXTS [] = { 185 {".mid", SONIVOX_PLAYER}, 186 {".midi", SONIVOX_PLAYER}, 187 {".smf", SONIVOX_PLAYER}, 188 {".xmf", SONIVOX_PLAYER}, 189 {".imy", SONIVOX_PLAYER}, 190 {".rtttl", SONIVOX_PLAYER}, 191 {".rtx", SONIVOX_PLAYER}, 192 {".ota", SONIVOX_PLAYER}, 193}; 194 195// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 196/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 197/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 198 199void MediaPlayerService::instantiate() { 200 defaultServiceManager()->addService( 201 String16("media.player"), new MediaPlayerService()); 202} 203 204MediaPlayerService::MediaPlayerService() 205{ 206 LOGV("MediaPlayerService created"); 207 mNextConnId = 1; 208 209 mBatteryAudio.refCount = 0; 210 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 211 mBatteryAudio.deviceOn[i] = 0; 212 mBatteryAudio.lastTime[i] = 0; 213 mBatteryAudio.totalTime[i] = 0; 214 } 215 // speaker is on by default 216 mBatteryAudio.deviceOn[SPEAKER] = 1; 217} 218 219MediaPlayerService::~MediaPlayerService() 220{ 221 LOGV("MediaPlayerService destroyed"); 222} 223 224sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) 225{ 226 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 227 wp<MediaRecorderClient> w = recorder; 228 Mutex::Autolock lock(mLock); 229 mMediaRecorderClients.add(w); 230 LOGV("Create new media recorder client from pid %d", pid); 231 return recorder; 232} 233 234void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 235{ 236 Mutex::Autolock lock(mLock); 237 mMediaRecorderClients.remove(client); 238 LOGV("Delete media recorder client"); 239} 240 241sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) 242{ 243 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 244 LOGV("Create new media retriever from pid %d", pid); 245 return retriever; 246} 247 248sp<IMediaPlayer> MediaPlayerService::create( 249 pid_t pid, const sp<IMediaPlayerClient>& client, const char* url, 250 const KeyedVector<String8, String8> *headers, int audioSessionId) 251{ 252 int32_t connId = android_atomic_inc(&mNextConnId); 253 254 sp<Client> c = new Client( 255 this, pid, connId, client, audioSessionId, 256 IPCThreadState::self()->getCallingUid()); 257 258 LOGV("Create new client(%d) from pid %d, url=%s, connId=%d, audioSessionId=%d", 259 connId, pid, url, connId, audioSessionId); 260 if (NO_ERROR != c->setDataSource(url, headers)) 261 { 262 c.clear(); 263 return c; 264 } 265 wp<Client> w = c; 266 Mutex::Autolock lock(mLock); 267 mClients.add(w); 268 return c; 269} 270 271sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, 272 int fd, int64_t offset, int64_t length, int audioSessionId) 273{ 274 int32_t connId = android_atomic_inc(&mNextConnId); 275 276 sp<Client> c = new Client( 277 this, pid, connId, client, audioSessionId, 278 IPCThreadState::self()->getCallingUid()); 279 280 LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld, audioSessionId=%d", 281 connId, pid, fd, offset, length, audioSessionId); 282 if (NO_ERROR != c->setDataSource(fd, offset, length)) { 283 c.clear(); 284 } else { 285 wp<Client> w = c; 286 Mutex::Autolock lock(mLock); 287 mClients.add(w); 288 } 289 ::close(fd); 290 return c; 291} 292 293sp<IMediaPlayer> MediaPlayerService::create( 294 pid_t pid, const sp<IMediaPlayerClient> &client, 295 const sp<IStreamSource> &source, int audioSessionId) { 296 int32_t connId = android_atomic_inc(&mNextConnId); 297 298 sp<Client> c = new Client( 299 this, pid, connId, client, audioSessionId, 300 IPCThreadState::self()->getCallingUid()); 301 302 LOGV("Create new client(%d) from pid %d, audioSessionId=%d", 303 connId, pid, audioSessionId); 304 305 if (OK != c->setDataSource(source)) { 306 c.clear(); 307 } else { 308 wp<Client> w = c; 309 Mutex::Autolock lock(mLock); 310 mClients.add(w); 311 } 312 313 return c; 314} 315 316sp<IOMX> MediaPlayerService::getOMX() { 317 Mutex::Autolock autoLock(mLock); 318 319 if (mOMX.get() == NULL) { 320 mOMX = new OMX; 321 } 322 323 return mOMX; 324} 325 326status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 327{ 328 const size_t SIZE = 256; 329 char buffer[SIZE]; 330 String8 result; 331 332 result.append(" AudioCache\n"); 333 if (mHeap != 0) { 334 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 335 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 336 result.append(buffer); 337 } 338 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 339 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 340 result.append(buffer); 341 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 342 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 343 result.append(buffer); 344 ::write(fd, result.string(), result.size()); 345 return NO_ERROR; 346} 347 348status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 349{ 350 const size_t SIZE = 256; 351 char buffer[SIZE]; 352 String8 result; 353 354 result.append(" AudioOutput\n"); 355 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 356 mStreamType, mLeftVolume, mRightVolume); 357 result.append(buffer); 358 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 359 mMsecsPerFrame, mLatency); 360 result.append(buffer); 361 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 362 mAuxEffectId, mSendLevel); 363 result.append(buffer); 364 365 ::write(fd, result.string(), result.size()); 366 if (mTrack != 0) { 367 mTrack->dump(fd, args); 368 } 369 return NO_ERROR; 370} 371 372status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 373{ 374 const size_t SIZE = 256; 375 char buffer[SIZE]; 376 String8 result; 377 result.append(" Client\n"); 378 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 379 mPid, mConnId, mStatus, mLoop?"true": "false"); 380 result.append(buffer); 381 write(fd, result.string(), result.size()); 382 if (mPlayer != NULL) { 383 mPlayer->dump(fd, args); 384 } 385 if (mAudioOutput != 0) { 386 mAudioOutput->dump(fd, args); 387 } 388 write(fd, "\n", 1); 389 return NO_ERROR; 390} 391 392status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 393{ 394 const size_t SIZE = 256; 395 char buffer[SIZE]; 396 String8 result; 397 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 398 snprintf(buffer, SIZE, "Permission Denial: " 399 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 400 IPCThreadState::self()->getCallingPid(), 401 IPCThreadState::self()->getCallingUid()); 402 result.append(buffer); 403 } else { 404 Mutex::Autolock lock(mLock); 405 for (int i = 0, n = mClients.size(); i < n; ++i) { 406 sp<Client> c = mClients[i].promote(); 407 if (c != 0) c->dump(fd, args); 408 } 409 if (mMediaRecorderClients.size() == 0) { 410 result.append(" No media recorder client\n\n"); 411 } else { 412 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 413 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 414 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 415 result.append(buffer); 416 write(fd, result.string(), result.size()); 417 result = "\n"; 418 c->dump(fd, args); 419 } 420 } 421 422 result.append(" Files opened and/or mapped:\n"); 423 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 424 FILE *f = fopen(buffer, "r"); 425 if (f) { 426 while (!feof(f)) { 427 fgets(buffer, SIZE, f); 428 if (strstr(buffer, " /mnt/sdcard/") || 429 strstr(buffer, " /system/sounds/") || 430 strstr(buffer, " /data/") || 431 strstr(buffer, " /system/media/")) { 432 result.append(" "); 433 result.append(buffer); 434 } 435 } 436 fclose(f); 437 } else { 438 result.append("couldn't open "); 439 result.append(buffer); 440 result.append("\n"); 441 } 442 443 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 444 DIR *d = opendir(buffer); 445 if (d) { 446 struct dirent *ent; 447 while((ent = readdir(d)) != NULL) { 448 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 449 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 450 struct stat s; 451 if (lstat(buffer, &s) == 0) { 452 if ((s.st_mode & S_IFMT) == S_IFLNK) { 453 char linkto[256]; 454 int len = readlink(buffer, linkto, sizeof(linkto)); 455 if(len > 0) { 456 if(len > 255) { 457 linkto[252] = '.'; 458 linkto[253] = '.'; 459 linkto[254] = '.'; 460 linkto[255] = 0; 461 } else { 462 linkto[len] = 0; 463 } 464 if (strstr(linkto, "/mnt/sdcard/") == linkto || 465 strstr(linkto, "/system/sounds/") == linkto || 466 strstr(linkto, "/data/") == linkto || 467 strstr(linkto, "/system/media/") == linkto) { 468 result.append(" "); 469 result.append(buffer); 470 result.append(" -> "); 471 result.append(linkto); 472 result.append("\n"); 473 } 474 } 475 } else { 476 result.append(" unexpected type for "); 477 result.append(buffer); 478 result.append("\n"); 479 } 480 } 481 } 482 } 483 closedir(d); 484 } else { 485 result.append("couldn't open "); 486 result.append(buffer); 487 result.append("\n"); 488 } 489 490 bool dumpMem = false; 491 for (size_t i = 0; i < args.size(); i++) { 492 if (args[i] == String16("-m")) { 493 dumpMem = true; 494 } 495 } 496 if (dumpMem) { 497 dumpMemoryAddresses(fd); 498 } 499 } 500 write(fd, result.string(), result.size()); 501 return NO_ERROR; 502} 503 504void MediaPlayerService::removeClient(wp<Client> client) 505{ 506 Mutex::Autolock lock(mLock); 507 mClients.remove(client); 508} 509 510MediaPlayerService::Client::Client( 511 const sp<MediaPlayerService>& service, pid_t pid, 512 int32_t connId, const sp<IMediaPlayerClient>& client, 513 int audioSessionId, uid_t uid) 514{ 515 LOGV("Client(%d) constructor", connId); 516 mPid = pid; 517 mConnId = connId; 518 mService = service; 519 mClient = client; 520 mLoop = false; 521 mStatus = NO_INIT; 522 mAudioSessionId = audioSessionId; 523 mUID = uid; 524 525#if CALLBACK_ANTAGONIZER 526 LOGD("create Antagonizer"); 527 mAntagonizer = new Antagonizer(notify, this); 528#endif 529} 530 531MediaPlayerService::Client::~Client() 532{ 533 LOGV("Client(%d) destructor pid = %d", mConnId, mPid); 534 mAudioOutput.clear(); 535 wp<Client> client(this); 536 disconnect(); 537 mService->removeClient(client); 538} 539 540void MediaPlayerService::Client::disconnect() 541{ 542 LOGV("disconnect(%d) from pid %d", mConnId, mPid); 543 // grab local reference and clear main reference to prevent future 544 // access to object 545 sp<MediaPlayerBase> p; 546 { 547 Mutex::Autolock l(mLock); 548 p = mPlayer; 549 } 550 mClient.clear(); 551 552 mPlayer.clear(); 553 554 // clear the notification to prevent callbacks to dead client 555 // and reset the player. We assume the player will serialize 556 // access to itself if necessary. 557 if (p != 0) { 558 p->setNotifyCallback(0, 0); 559#if CALLBACK_ANTAGONIZER 560 LOGD("kill Antagonizer"); 561 mAntagonizer->kill(); 562#endif 563 p->reset(); 564 } 565 566 IPCThreadState::self()->flushCommands(); 567} 568 569static player_type getDefaultPlayerType() { 570 return STAGEFRIGHT_PLAYER; 571} 572 573player_type getPlayerType(int fd, int64_t offset, int64_t length) 574{ 575 char buf[20]; 576 lseek(fd, offset, SEEK_SET); 577 read(fd, buf, sizeof(buf)); 578 lseek(fd, offset, SEEK_SET); 579 580 long ident = *((long*)buf); 581 582 // Ogg vorbis? 583 if (ident == 0x5367674f) // 'OggS' 584 return STAGEFRIGHT_PLAYER; 585 586 // Some kind of MIDI? 587 EAS_DATA_HANDLE easdata; 588 if (EAS_Init(&easdata) == EAS_SUCCESS) { 589 EAS_FILE locator; 590 locator.path = NULL; 591 locator.fd = fd; 592 locator.offset = offset; 593 locator.length = length; 594 EAS_HANDLE eashandle; 595 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 596 EAS_CloseFile(easdata, eashandle); 597 EAS_Shutdown(easdata); 598 return SONIVOX_PLAYER; 599 } 600 EAS_Shutdown(easdata); 601 } 602 603 return getDefaultPlayerType(); 604} 605 606player_type getPlayerType(const char* url) 607{ 608 if (TestPlayerStub::canBeUsed(url)) { 609 return TEST_PLAYER; 610 } 611 612 if (!strncasecmp("http://", url, 7) 613 || !strncasecmp("https://", url, 8)) { 614 size_t len = strlen(url); 615 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 616 return NU_PLAYER; 617 } 618 619 if (strstr(url,"m3u8")) { 620 return NU_PLAYER; 621 } 622 } 623 624 // use MidiFile for MIDI extensions 625 int lenURL = strlen(url); 626 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 627 int len = strlen(FILE_EXTS[i].extension); 628 int start = lenURL - len; 629 if (start > 0) { 630 if (!strncasecmp(url + start, FILE_EXTS[i].extension, len)) { 631 return FILE_EXTS[i].playertype; 632 } 633 } 634 } 635 636 return getDefaultPlayerType(); 637} 638 639static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, 640 notify_callback_f notifyFunc) 641{ 642 sp<MediaPlayerBase> p; 643 switch (playerType) { 644 case SONIVOX_PLAYER: 645 LOGV(" create MidiFile"); 646 p = new MidiFile(); 647 break; 648 case STAGEFRIGHT_PLAYER: 649 LOGV(" create StagefrightPlayer"); 650 p = new StagefrightPlayer; 651 break; 652 case NU_PLAYER: 653 LOGV(" create NuPlayer"); 654 p = new NuPlayerDriver; 655 break; 656 case TEST_PLAYER: 657 LOGV("Create Test Player stub"); 658 p = new TestPlayerStub(); 659 break; 660 default: 661 LOGE("Unknown player type: %d", playerType); 662 return NULL; 663 } 664 if (p != NULL) { 665 if (p->initCheck() == NO_ERROR) { 666 p->setNotifyCallback(cookie, notifyFunc); 667 } else { 668 p.clear(); 669 } 670 } 671 if (p == NULL) { 672 LOGE("Failed to create player object"); 673 } 674 return p; 675} 676 677sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 678{ 679 // determine if we have the right player type 680 sp<MediaPlayerBase> p = mPlayer; 681 if ((p != NULL) && (p->playerType() != playerType)) { 682 LOGV("delete player"); 683 p.clear(); 684 } 685 if (p == NULL) { 686 p = android::createPlayer(playerType, this, notify); 687 } 688 689 p->setUID(mUID); 690 691 return p; 692} 693 694status_t MediaPlayerService::Client::setDataSource( 695 const char *url, const KeyedVector<String8, String8> *headers) 696{ 697 LOGV("setDataSource(%s)", url); 698 if (url == NULL) 699 return UNKNOWN_ERROR; 700 701 if (strncmp(url, "content://", 10) == 0) { 702 // get a filedescriptor for the content Uri and 703 // pass it to the setDataSource(fd) method 704 705 String16 url16(url); 706 int fd = android::openContentProviderFile(url16); 707 if (fd < 0) 708 { 709 LOGE("Couldn't open fd for %s", url); 710 return UNKNOWN_ERROR; 711 } 712 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 713 close(fd); 714 return mStatus; 715 } else { 716 player_type playerType = getPlayerType(url); 717 LOGV("player type = %d", playerType); 718 719 // create the right type of player 720 sp<MediaPlayerBase> p = createPlayer(playerType); 721 if (p == NULL) return NO_INIT; 722 723 if (!p->hardwareOutput()) { 724 mAudioOutput = new AudioOutput(mAudioSessionId); 725 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 726 } 727 728 // now set data source 729 LOGV(" setDataSource"); 730 mStatus = p->setDataSource(url, headers); 731 if (mStatus == NO_ERROR) { 732 mPlayer = p; 733 } else { 734 LOGE(" error: %d", mStatus); 735 } 736 return mStatus; 737 } 738} 739 740status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 741{ 742 LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 743 struct stat sb; 744 int ret = fstat(fd, &sb); 745 if (ret != 0) { 746 LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 747 return UNKNOWN_ERROR; 748 } 749 750 LOGV("st_dev = %llu", sb.st_dev); 751 LOGV("st_mode = %u", sb.st_mode); 752 LOGV("st_uid = %lu", sb.st_uid); 753 LOGV("st_gid = %lu", sb.st_gid); 754 LOGV("st_size = %llu", sb.st_size); 755 756 if (offset >= sb.st_size) { 757 LOGE("offset error"); 758 ::close(fd); 759 return UNKNOWN_ERROR; 760 } 761 if (offset + length > sb.st_size) { 762 length = sb.st_size - offset; 763 LOGV("calculated length = %lld", length); 764 } 765 766 player_type playerType = getPlayerType(fd, offset, length); 767 LOGV("player type = %d", playerType); 768 769 // create the right type of player 770 sp<MediaPlayerBase> p = createPlayer(playerType); 771 if (p == NULL) return NO_INIT; 772 773 if (!p->hardwareOutput()) { 774 mAudioOutput = new AudioOutput(mAudioSessionId); 775 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 776 } 777 778 // now set data source 779 mStatus = p->setDataSource(fd, offset, length); 780 if (mStatus == NO_ERROR) mPlayer = p; 781 return mStatus; 782} 783 784status_t MediaPlayerService::Client::setDataSource( 785 const sp<IStreamSource> &source) { 786 // create the right type of player 787 sp<MediaPlayerBase> p = createPlayer(NU_PLAYER); 788 789 if (p == NULL) { 790 return NO_INIT; 791 } 792 793 if (!p->hardwareOutput()) { 794 mAudioOutput = new AudioOutput(mAudioSessionId); 795 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 796 } 797 798 // now set data source 799 mStatus = p->setDataSource(source); 800 801 if (mStatus == OK) { 802 mPlayer = p; 803 } 804 805 return mStatus; 806} 807 808status_t MediaPlayerService::Client::setVideoSurface(const sp<Surface>& surface) 809{ 810 LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); 811 sp<MediaPlayerBase> p = getPlayer(); 812 if (p == 0) return UNKNOWN_ERROR; 813 return p->setVideoSurface(surface); 814} 815 816status_t MediaPlayerService::Client::setVideoSurfaceTexture( 817 const sp<ISurfaceTexture>& surfaceTexture) 818{ 819 LOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, surfaceTexture.get()); 820 sp<MediaPlayerBase> p = getPlayer(); 821 if (p == 0) return UNKNOWN_ERROR; 822 return p->setVideoSurfaceTexture(surfaceTexture); 823} 824 825status_t MediaPlayerService::Client::invoke(const Parcel& request, 826 Parcel *reply) 827{ 828 sp<MediaPlayerBase> p = getPlayer(); 829 if (p == NULL) return UNKNOWN_ERROR; 830 return p->invoke(request, reply); 831} 832 833// This call doesn't need to access the native player. 834status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 835{ 836 status_t status; 837 media::Metadata::Filter allow, drop; 838 839 if (unmarshallFilter(filter, &allow, &status) && 840 unmarshallFilter(filter, &drop, &status)) { 841 Mutex::Autolock lock(mLock); 842 843 mMetadataAllow = allow; 844 mMetadataDrop = drop; 845 } 846 return status; 847} 848 849status_t MediaPlayerService::Client::getMetadata( 850 bool update_only, bool apply_filter, Parcel *reply) 851{ 852 sp<MediaPlayerBase> player = getPlayer(); 853 if (player == 0) return UNKNOWN_ERROR; 854 855 status_t status; 856 // Placeholder for the return code, updated by the caller. 857 reply->writeInt32(-1); 858 859 media::Metadata::Filter ids; 860 861 // We don't block notifications while we fetch the data. We clear 862 // mMetadataUpdated first so we don't lose notifications happening 863 // during the rest of this call. 864 { 865 Mutex::Autolock lock(mLock); 866 if (update_only) { 867 ids = mMetadataUpdated; 868 } 869 mMetadataUpdated.clear(); 870 } 871 872 media::Metadata metadata(reply); 873 874 metadata.appendHeader(); 875 status = player->getMetadata(ids, reply); 876 877 if (status != OK) { 878 metadata.resetParcel(); 879 LOGE("getMetadata failed %d", status); 880 return status; 881 } 882 883 // FIXME: Implement filtering on the result. Not critical since 884 // filtering takes place on the update notifications already. This 885 // would be when all the metadata are fetch and a filter is set. 886 887 // Everything is fine, update the metadata length. 888 metadata.updateLength(); 889 return OK; 890} 891 892status_t MediaPlayerService::Client::prepareAsync() 893{ 894 LOGV("[%d] prepareAsync", mConnId); 895 sp<MediaPlayerBase> p = getPlayer(); 896 if (p == 0) return UNKNOWN_ERROR; 897 status_t ret = p->prepareAsync(); 898#if CALLBACK_ANTAGONIZER 899 LOGD("start Antagonizer"); 900 if (ret == NO_ERROR) mAntagonizer->start(); 901#endif 902 return ret; 903} 904 905status_t MediaPlayerService::Client::start() 906{ 907 LOGV("[%d] start", mConnId); 908 sp<MediaPlayerBase> p = getPlayer(); 909 if (p == 0) return UNKNOWN_ERROR; 910 p->setLooping(mLoop); 911 return p->start(); 912} 913 914status_t MediaPlayerService::Client::stop() 915{ 916 LOGV("[%d] stop", mConnId); 917 sp<MediaPlayerBase> p = getPlayer(); 918 if (p == 0) return UNKNOWN_ERROR; 919 return p->stop(); 920} 921 922status_t MediaPlayerService::Client::pause() 923{ 924 LOGV("[%d] pause", mConnId); 925 sp<MediaPlayerBase> p = getPlayer(); 926 if (p == 0) return UNKNOWN_ERROR; 927 return p->pause(); 928} 929 930status_t MediaPlayerService::Client::isPlaying(bool* state) 931{ 932 *state = false; 933 sp<MediaPlayerBase> p = getPlayer(); 934 if (p == 0) return UNKNOWN_ERROR; 935 *state = p->isPlaying(); 936 LOGV("[%d] isPlaying: %d", mConnId, *state); 937 return NO_ERROR; 938} 939 940status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 941{ 942 LOGV("getCurrentPosition"); 943 sp<MediaPlayerBase> p = getPlayer(); 944 if (p == 0) return UNKNOWN_ERROR; 945 status_t ret = p->getCurrentPosition(msec); 946 if (ret == NO_ERROR) { 947 LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 948 } else { 949 LOGE("getCurrentPosition returned %d", ret); 950 } 951 return ret; 952} 953 954status_t MediaPlayerService::Client::getDuration(int *msec) 955{ 956 LOGV("getDuration"); 957 sp<MediaPlayerBase> p = getPlayer(); 958 if (p == 0) return UNKNOWN_ERROR; 959 status_t ret = p->getDuration(msec); 960 if (ret == NO_ERROR) { 961 LOGV("[%d] getDuration = %d", mConnId, *msec); 962 } else { 963 LOGE("getDuration returned %d", ret); 964 } 965 return ret; 966} 967 968status_t MediaPlayerService::Client::seekTo(int msec) 969{ 970 LOGV("[%d] seekTo(%d)", mConnId, msec); 971 sp<MediaPlayerBase> p = getPlayer(); 972 if (p == 0) return UNKNOWN_ERROR; 973 return p->seekTo(msec); 974} 975 976status_t MediaPlayerService::Client::reset() 977{ 978 LOGV("[%d] reset", mConnId); 979 sp<MediaPlayerBase> p = getPlayer(); 980 if (p == 0) return UNKNOWN_ERROR; 981 return p->reset(); 982} 983 984status_t MediaPlayerService::Client::setAudioStreamType(int type) 985{ 986 LOGV("[%d] setAudioStreamType(%d)", mConnId, type); 987 // TODO: for hardware output, call player instead 988 Mutex::Autolock l(mLock); 989 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 990 return NO_ERROR; 991} 992 993status_t MediaPlayerService::Client::setLooping(int loop) 994{ 995 LOGV("[%d] setLooping(%d)", mConnId, loop); 996 mLoop = loop; 997 sp<MediaPlayerBase> p = getPlayer(); 998 if (p != 0) return p->setLooping(loop); 999 return NO_ERROR; 1000} 1001 1002status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1003{ 1004 LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1005 // TODO: for hardware output, call player instead 1006 Mutex::Autolock l(mLock); 1007 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1008 return NO_ERROR; 1009} 1010 1011status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1012{ 1013 LOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1014 Mutex::Autolock l(mLock); 1015 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1016 return NO_ERROR; 1017} 1018 1019status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1020{ 1021 LOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1022 Mutex::Autolock l(mLock); 1023 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1024 return NO_ERROR; 1025} 1026 1027status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1028 LOGV("[%d] setParameter(%d)", mConnId, key); 1029 sp<MediaPlayerBase> p = getPlayer(); 1030 if (p == 0) return UNKNOWN_ERROR; 1031 return p->setParameter(key, request); 1032} 1033 1034status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1035 LOGV("[%d] getParameter(%d)", mConnId, key); 1036 sp<MediaPlayerBase> p = getPlayer(); 1037 if (p == 0) return UNKNOWN_ERROR; 1038 return p->getParameter(key, reply); 1039} 1040 1041void MediaPlayerService::Client::notify( 1042 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1043{ 1044 Client* client = static_cast<Client*>(cookie); 1045 1046 if (MEDIA_INFO == msg && 1047 MEDIA_INFO_METADATA_UPDATE == ext1) { 1048 const media::Metadata::Type metadata_type = ext2; 1049 1050 if(client->shouldDropMetadata(metadata_type)) { 1051 return; 1052 } 1053 1054 // Update the list of metadata that have changed. getMetadata 1055 // also access mMetadataUpdated and clears it. 1056 client->addNewMetadataUpdate(metadata_type); 1057 } 1058 LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1059 client->mClient->notify(msg, ext1, ext2, obj); 1060} 1061 1062 1063bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1064{ 1065 Mutex::Autolock lock(mLock); 1066 1067 if (findMetadata(mMetadataDrop, code)) { 1068 return true; 1069 } 1070 1071 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1072 return false; 1073 } else { 1074 return true; 1075 } 1076} 1077 1078 1079void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1080 Mutex::Autolock lock(mLock); 1081 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1082 mMetadataUpdated.add(metadata_type); 1083 } 1084} 1085 1086#if CALLBACK_ANTAGONIZER 1087const int Antagonizer::interval = 10000; // 10 msecs 1088 1089Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1090 mExit(false), mActive(false), mClient(client), mCb(cb) 1091{ 1092 createThread(callbackThread, this); 1093} 1094 1095void Antagonizer::kill() 1096{ 1097 Mutex::Autolock _l(mLock); 1098 mActive = false; 1099 mExit = true; 1100 mCondition.wait(mLock); 1101} 1102 1103int Antagonizer::callbackThread(void* user) 1104{ 1105 LOGD("Antagonizer started"); 1106 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1107 while (!p->mExit) { 1108 if (p->mActive) { 1109 LOGV("send event"); 1110 p->mCb(p->mClient, 0, 0, 0); 1111 } 1112 usleep(interval); 1113 } 1114 Mutex::Autolock _l(p->mLock); 1115 p->mCondition.signal(); 1116 LOGD("Antagonizer stopped"); 1117 return 0; 1118} 1119#endif 1120 1121static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1122 1123sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1124{ 1125 LOGV("decode(%s)", url); 1126 sp<MemoryBase> mem; 1127 sp<MediaPlayerBase> player; 1128 1129 // Protect our precious, precious DRMd ringtones by only allowing 1130 // decoding of http, but not filesystem paths or content Uris. 1131 // If the application wants to decode those, it should open a 1132 // filedescriptor for them and use that. 1133 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1134 LOGD("Can't decode %s by path, use filedescriptor instead", url); 1135 return mem; 1136 } 1137 1138 player_type playerType = getPlayerType(url); 1139 LOGV("player type = %d", playerType); 1140 1141 // create the right type of player 1142 sp<AudioCache> cache = new AudioCache(url); 1143 player = android::createPlayer(playerType, cache.get(), cache->notify); 1144 if (player == NULL) goto Exit; 1145 if (player->hardwareOutput()) goto Exit; 1146 1147 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1148 1149 // set data source 1150 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1151 1152 LOGV("prepare"); 1153 player->prepareAsync(); 1154 1155 LOGV("wait for prepare"); 1156 if (cache->wait() != NO_ERROR) goto Exit; 1157 1158 LOGV("start"); 1159 player->start(); 1160 1161 LOGV("wait for playback complete"); 1162 if (cache->wait() != NO_ERROR) goto Exit; 1163 1164 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1165 *pSampleRate = cache->sampleRate(); 1166 *pNumChannels = cache->channelCount(); 1167 *pFormat = (int)cache->format(); 1168 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1169 1170Exit: 1171 if (player != 0) player->reset(); 1172 return mem; 1173} 1174 1175sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1176{ 1177 LOGV("decode(%d, %lld, %lld)", fd, offset, length); 1178 sp<MemoryBase> mem; 1179 sp<MediaPlayerBase> player; 1180 1181 player_type playerType = getPlayerType(fd, offset, length); 1182 LOGV("player type = %d", playerType); 1183 1184 // create the right type of player 1185 sp<AudioCache> cache = new AudioCache("decode_fd"); 1186 player = android::createPlayer(playerType, cache.get(), cache->notify); 1187 if (player == NULL) goto Exit; 1188 if (player->hardwareOutput()) goto Exit; 1189 1190 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1191 1192 // set data source 1193 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1194 1195 LOGV("prepare"); 1196 player->prepareAsync(); 1197 1198 LOGV("wait for prepare"); 1199 if (cache->wait() != NO_ERROR) goto Exit; 1200 1201 LOGV("start"); 1202 player->start(); 1203 1204 LOGV("wait for playback complete"); 1205 if (cache->wait() != NO_ERROR) goto Exit; 1206 1207 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1208 *pSampleRate = cache->sampleRate(); 1209 *pNumChannels = cache->channelCount(); 1210 *pFormat = cache->format(); 1211 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1212 1213Exit: 1214 if (player != 0) player->reset(); 1215 ::close(fd); 1216 return mem; 1217} 1218 1219 1220#undef LOG_TAG 1221#define LOG_TAG "AudioSink" 1222MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1223 : mCallback(NULL), 1224 mCallbackCookie(NULL), 1225 mSessionId(sessionId) { 1226 LOGV("AudioOutput(%d)", sessionId); 1227 mTrack = 0; 1228 mStreamType = AUDIO_STREAM_MUSIC; 1229 mLeftVolume = 1.0; 1230 mRightVolume = 1.0; 1231 mLatency = 0; 1232 mMsecsPerFrame = 0; 1233 mAuxEffectId = 0; 1234 mSendLevel = 0.0; 1235 setMinBufferCount(); 1236} 1237 1238MediaPlayerService::AudioOutput::~AudioOutput() 1239{ 1240 close(); 1241} 1242 1243void MediaPlayerService::AudioOutput::setMinBufferCount() 1244{ 1245 char value[PROPERTY_VALUE_MAX]; 1246 if (property_get("ro.kernel.qemu", value, 0)) { 1247 mIsOnEmulator = true; 1248 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1249 } 1250} 1251 1252bool MediaPlayerService::AudioOutput::isOnEmulator() 1253{ 1254 setMinBufferCount(); 1255 return mIsOnEmulator; 1256} 1257 1258int MediaPlayerService::AudioOutput::getMinBufferCount() 1259{ 1260 setMinBufferCount(); 1261 return mMinBufferCount; 1262} 1263 1264ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1265{ 1266 if (mTrack == 0) return NO_INIT; 1267 return mTrack->frameCount() * frameSize(); 1268} 1269 1270ssize_t MediaPlayerService::AudioOutput::frameCount() const 1271{ 1272 if (mTrack == 0) return NO_INIT; 1273 return mTrack->frameCount(); 1274} 1275 1276ssize_t MediaPlayerService::AudioOutput::channelCount() const 1277{ 1278 if (mTrack == 0) return NO_INIT; 1279 return mTrack->channelCount(); 1280} 1281 1282ssize_t MediaPlayerService::AudioOutput::frameSize() const 1283{ 1284 if (mTrack == 0) return NO_INIT; 1285 return mTrack->frameSize(); 1286} 1287 1288uint32_t MediaPlayerService::AudioOutput::latency () const 1289{ 1290 return mLatency; 1291} 1292 1293float MediaPlayerService::AudioOutput::msecsPerFrame() const 1294{ 1295 return mMsecsPerFrame; 1296} 1297 1298status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) 1299{ 1300 if (mTrack == 0) return NO_INIT; 1301 return mTrack->getPosition(position); 1302} 1303 1304status_t MediaPlayerService::AudioOutput::open( 1305 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1306 AudioCallback cb, void *cookie) 1307{ 1308 mCallback = cb; 1309 mCallbackCookie = cookie; 1310 1311 // Check argument "bufferCount" against the mininum buffer count 1312 if (bufferCount < mMinBufferCount) { 1313 LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1314 bufferCount = mMinBufferCount; 1315 1316 } 1317 LOGV("open(%u, %d, %d, %d, %d)", sampleRate, channelCount, format, bufferCount,mSessionId); 1318 if (mTrack) close(); 1319 int afSampleRate; 1320 int afFrameCount; 1321 int frameCount; 1322 1323 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1324 return NO_INIT; 1325 } 1326 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1327 return NO_INIT; 1328 } 1329 1330 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1331 1332 AudioTrack *t; 1333 if (mCallback != NULL) { 1334 t = new AudioTrack( 1335 mStreamType, 1336 sampleRate, 1337 format, 1338 (channelCount == 2) ? AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO, 1339 frameCount, 1340 0 /* flags */, 1341 CallbackWrapper, 1342 this, 1343 0, 1344 mSessionId); 1345 } else { 1346 t = new AudioTrack( 1347 mStreamType, 1348 sampleRate, 1349 format, 1350 (channelCount == 2) ? AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO, 1351 frameCount, 1352 0, 1353 NULL, 1354 NULL, 1355 0, 1356 mSessionId); 1357 } 1358 1359 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1360 LOGE("Unable to create audio track"); 1361 delete t; 1362 return NO_INIT; 1363 } 1364 1365 LOGV("setVolume"); 1366 t->setVolume(mLeftVolume, mRightVolume); 1367 1368 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1369 mLatency = t->latency(); 1370 mTrack = t; 1371 1372 t->setAuxEffectSendLevel(mSendLevel); 1373 return t->attachAuxEffect(mAuxEffectId);; 1374} 1375 1376void MediaPlayerService::AudioOutput::start() 1377{ 1378 LOGV("start"); 1379 if (mTrack) { 1380 mTrack->setVolume(mLeftVolume, mRightVolume); 1381 mTrack->setAuxEffectSendLevel(mSendLevel); 1382 mTrack->start(); 1383 } 1384} 1385 1386 1387 1388ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1389{ 1390 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1391 1392 //LOGV("write(%p, %u)", buffer, size); 1393 if (mTrack) { 1394 ssize_t ret = mTrack->write(buffer, size); 1395 return ret; 1396 } 1397 return NO_INIT; 1398} 1399 1400void MediaPlayerService::AudioOutput::stop() 1401{ 1402 LOGV("stop"); 1403 if (mTrack) mTrack->stop(); 1404} 1405 1406void MediaPlayerService::AudioOutput::flush() 1407{ 1408 LOGV("flush"); 1409 if (mTrack) mTrack->flush(); 1410} 1411 1412void MediaPlayerService::AudioOutput::pause() 1413{ 1414 LOGV("pause"); 1415 if (mTrack) mTrack->pause(); 1416} 1417 1418void MediaPlayerService::AudioOutput::close() 1419{ 1420 LOGV("close"); 1421 delete mTrack; 1422 mTrack = 0; 1423} 1424 1425void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1426{ 1427 LOGV("setVolume(%f, %f)", left, right); 1428 mLeftVolume = left; 1429 mRightVolume = right; 1430 if (mTrack) { 1431 mTrack->setVolume(left, right); 1432 } 1433} 1434 1435status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1436{ 1437 LOGV("setAuxEffectSendLevel(%f)", level); 1438 mSendLevel = level; 1439 if (mTrack) { 1440 return mTrack->setAuxEffectSendLevel(level); 1441 } 1442 return NO_ERROR; 1443} 1444 1445status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1446{ 1447 LOGV("attachAuxEffect(%d)", effectId); 1448 mAuxEffectId = effectId; 1449 if (mTrack) { 1450 return mTrack->attachAuxEffect(effectId); 1451 } 1452 return NO_ERROR; 1453} 1454 1455// static 1456void MediaPlayerService::AudioOutput::CallbackWrapper( 1457 int event, void *cookie, void *info) { 1458 //LOGV("callbackwrapper"); 1459 if (event != AudioTrack::EVENT_MORE_DATA) { 1460 return; 1461 } 1462 1463 AudioOutput *me = (AudioOutput *)cookie; 1464 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1465 1466 size_t actualSize = (*me->mCallback)( 1467 me, buffer->raw, buffer->size, me->mCallbackCookie); 1468 1469 if (actualSize == 0 && buffer->size > 0) { 1470 // We've reached EOS but the audio track is not stopped yet, 1471 // keep playing silence. 1472 1473 memset(buffer->raw, 0, buffer->size); 1474 actualSize = buffer->size; 1475 } 1476 1477 buffer->size = actualSize; 1478} 1479 1480int MediaPlayerService::AudioOutput::getSessionId() 1481{ 1482 return mSessionId; 1483} 1484 1485#undef LOG_TAG 1486#define LOG_TAG "AudioCache" 1487MediaPlayerService::AudioCache::AudioCache(const char* name) : 1488 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1489 mError(NO_ERROR), mCommandComplete(false) 1490{ 1491 // create ashmem heap 1492 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1493} 1494 1495uint32_t MediaPlayerService::AudioCache::latency () const 1496{ 1497 return 0; 1498} 1499 1500float MediaPlayerService::AudioCache::msecsPerFrame() const 1501{ 1502 return mMsecsPerFrame; 1503} 1504 1505status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) 1506{ 1507 if (position == 0) return BAD_VALUE; 1508 *position = mSize; 1509 return NO_ERROR; 1510} 1511 1512//////////////////////////////////////////////////////////////////////////////// 1513 1514struct CallbackThread : public Thread { 1515 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1516 MediaPlayerBase::AudioSink::AudioCallback cb, 1517 void *cookie); 1518 1519protected: 1520 virtual ~CallbackThread(); 1521 1522 virtual bool threadLoop(); 1523 1524private: 1525 wp<MediaPlayerBase::AudioSink> mSink; 1526 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1527 void *mCookie; 1528 void *mBuffer; 1529 size_t mBufferSize; 1530 1531 CallbackThread(const CallbackThread &); 1532 CallbackThread &operator=(const CallbackThread &); 1533}; 1534 1535CallbackThread::CallbackThread( 1536 const wp<MediaPlayerBase::AudioSink> &sink, 1537 MediaPlayerBase::AudioSink::AudioCallback cb, 1538 void *cookie) 1539 : mSink(sink), 1540 mCallback(cb), 1541 mCookie(cookie), 1542 mBuffer(NULL), 1543 mBufferSize(0) { 1544} 1545 1546CallbackThread::~CallbackThread() { 1547 if (mBuffer) { 1548 free(mBuffer); 1549 mBuffer = NULL; 1550 } 1551} 1552 1553bool CallbackThread::threadLoop() { 1554 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1555 if (sink == NULL) { 1556 return false; 1557 } 1558 1559 if (mBuffer == NULL) { 1560 mBufferSize = sink->bufferSize(); 1561 mBuffer = malloc(mBufferSize); 1562 } 1563 1564 size_t actualSize = 1565 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1566 1567 if (actualSize > 0) { 1568 sink->write(mBuffer, actualSize); 1569 } 1570 1571 return true; 1572} 1573 1574//////////////////////////////////////////////////////////////////////////////// 1575 1576status_t MediaPlayerService::AudioCache::open( 1577 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1578 AudioCallback cb, void *cookie) 1579{ 1580 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1581 if (mHeap->getHeapID() < 0) { 1582 return NO_INIT; 1583 } 1584 1585 mSampleRate = sampleRate; 1586 mChannelCount = (uint16_t)channelCount; 1587 mFormat = (uint16_t)format; 1588 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1589 1590 if (cb != NULL) { 1591 mCallbackThread = new CallbackThread(this, cb, cookie); 1592 } 1593 return NO_ERROR; 1594} 1595 1596void MediaPlayerService::AudioCache::start() { 1597 if (mCallbackThread != NULL) { 1598 mCallbackThread->run("AudioCache callback"); 1599 } 1600} 1601 1602void MediaPlayerService::AudioCache::stop() { 1603 if (mCallbackThread != NULL) { 1604 mCallbackThread->requestExitAndWait(); 1605 } 1606} 1607 1608ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1609{ 1610 LOGV("write(%p, %u)", buffer, size); 1611 if ((buffer == 0) || (size == 0)) return size; 1612 1613 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1614 if (p == NULL) return NO_INIT; 1615 p += mSize; 1616 LOGV("memcpy(%p, %p, %u)", p, buffer, size); 1617 if (mSize + size > mHeap->getSize()) { 1618 LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1619 size = mHeap->getSize() - mSize; 1620 } 1621 memcpy(p, buffer, size); 1622 mSize += size; 1623 return size; 1624} 1625 1626// call with lock held 1627status_t MediaPlayerService::AudioCache::wait() 1628{ 1629 Mutex::Autolock lock(mLock); 1630 while (!mCommandComplete) { 1631 mSignal.wait(mLock); 1632 } 1633 mCommandComplete = false; 1634 1635 if (mError == NO_ERROR) { 1636 LOGV("wait - success"); 1637 } else { 1638 LOGV("wait - error"); 1639 } 1640 return mError; 1641} 1642 1643void MediaPlayerService::AudioCache::notify( 1644 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1645{ 1646 LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1647 AudioCache* p = static_cast<AudioCache*>(cookie); 1648 1649 // ignore buffering messages 1650 switch (msg) 1651 { 1652 case MEDIA_ERROR: 1653 LOGE("Error %d, %d occurred", ext1, ext2); 1654 p->mError = ext1; 1655 break; 1656 case MEDIA_PREPARED: 1657 LOGV("prepared"); 1658 break; 1659 case MEDIA_PLAYBACK_COMPLETE: 1660 LOGV("playback complete"); 1661 break; 1662 default: 1663 LOGV("ignored"); 1664 return; 1665 } 1666 1667 // wake up thread 1668 Mutex::Autolock lock(p->mLock); 1669 p->mCommandComplete = true; 1670 p->mSignal.signal(); 1671} 1672 1673int MediaPlayerService::AudioCache::getSessionId() 1674{ 1675 return 0; 1676} 1677 1678void MediaPlayerService::addBatteryData(uint32_t params) 1679{ 1680 Mutex::Autolock lock(mLock); 1681 1682 int32_t time = systemTime() / 1000000L; 1683 1684 // change audio output devices. This notification comes from AudioFlinger 1685 if ((params & kBatteryDataSpeakerOn) 1686 || (params & kBatteryDataOtherAudioDeviceOn)) { 1687 1688 int deviceOn[NUM_AUDIO_DEVICES]; 1689 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1690 deviceOn[i] = 0; 1691 } 1692 1693 if ((params & kBatteryDataSpeakerOn) 1694 && (params & kBatteryDataOtherAudioDeviceOn)) { 1695 deviceOn[SPEAKER_AND_OTHER] = 1; 1696 } else if (params & kBatteryDataSpeakerOn) { 1697 deviceOn[SPEAKER] = 1; 1698 } else { 1699 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1700 } 1701 1702 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1703 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1704 1705 if (mBatteryAudio.refCount > 0) { // if playing audio 1706 if (!deviceOn[i]) { 1707 mBatteryAudio.lastTime[i] += time; 1708 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1709 mBatteryAudio.lastTime[i] = 0; 1710 } else { 1711 mBatteryAudio.lastTime[i] = 0 - time; 1712 } 1713 } 1714 1715 mBatteryAudio.deviceOn[i] = deviceOn[i]; 1716 } 1717 } 1718 return; 1719 } 1720 1721 // an sudio stream is started 1722 if (params & kBatteryDataAudioFlingerStart) { 1723 // record the start time only if currently no other audio 1724 // is being played 1725 if (mBatteryAudio.refCount == 0) { 1726 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1727 if (mBatteryAudio.deviceOn[i]) { 1728 mBatteryAudio.lastTime[i] -= time; 1729 } 1730 } 1731 } 1732 1733 mBatteryAudio.refCount ++; 1734 return; 1735 1736 } else if (params & kBatteryDataAudioFlingerStop) { 1737 if (mBatteryAudio.refCount <= 0) { 1738 LOGW("Battery track warning: refCount is <= 0"); 1739 return; 1740 } 1741 1742 // record the stop time only if currently this is the only 1743 // audio being played 1744 if (mBatteryAudio.refCount == 1) { 1745 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1746 if (mBatteryAudio.deviceOn[i]) { 1747 mBatteryAudio.lastTime[i] += time; 1748 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1749 mBatteryAudio.lastTime[i] = 0; 1750 } 1751 } 1752 } 1753 1754 mBatteryAudio.refCount --; 1755 return; 1756 } 1757 1758 int uid = IPCThreadState::self()->getCallingUid(); 1759 if (uid == AID_MEDIA) { 1760 return; 1761 } 1762 int index = mBatteryData.indexOfKey(uid); 1763 1764 if (index < 0) { // create a new entry for this UID 1765 BatteryUsageInfo info; 1766 info.audioTotalTime = 0; 1767 info.videoTotalTime = 0; 1768 info.audioLastTime = 0; 1769 info.videoLastTime = 0; 1770 info.refCount = 0; 1771 1772 if (mBatteryData.add(uid, info) == NO_MEMORY) { 1773 LOGE("Battery track error: no memory for new app"); 1774 return; 1775 } 1776 } 1777 1778 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 1779 1780 if (params & kBatteryDataCodecStarted) { 1781 if (params & kBatteryDataTrackAudio) { 1782 info.audioLastTime -= time; 1783 info.refCount ++; 1784 } 1785 if (params & kBatteryDataTrackVideo) { 1786 info.videoLastTime -= time; 1787 info.refCount ++; 1788 } 1789 } else { 1790 if (info.refCount == 0) { 1791 LOGW("Battery track warning: refCount is already 0"); 1792 return; 1793 } else if (info.refCount < 0) { 1794 LOGE("Battery track error: refCount < 0"); 1795 mBatteryData.removeItem(uid); 1796 return; 1797 } 1798 1799 if (params & kBatteryDataTrackAudio) { 1800 info.audioLastTime += time; 1801 info.refCount --; 1802 } 1803 if (params & kBatteryDataTrackVideo) { 1804 info.videoLastTime += time; 1805 info.refCount --; 1806 } 1807 1808 // no stream is being played by this UID 1809 if (info.refCount == 0) { 1810 info.audioTotalTime += info.audioLastTime; 1811 info.audioLastTime = 0; 1812 info.videoTotalTime += info.videoLastTime; 1813 info.videoLastTime = 0; 1814 } 1815 } 1816} 1817 1818status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 1819 Mutex::Autolock lock(mLock); 1820 1821 // audio output devices usage 1822 int32_t time = systemTime() / 1000000L; //in ms 1823 int32_t totalTime; 1824 1825 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1826 totalTime = mBatteryAudio.totalTime[i]; 1827 1828 if (mBatteryAudio.deviceOn[i] 1829 && (mBatteryAudio.lastTime[i] != 0)) { 1830 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 1831 totalTime += tmpTime; 1832 } 1833 1834 reply->writeInt32(totalTime); 1835 // reset the total time 1836 mBatteryAudio.totalTime[i] = 0; 1837 } 1838 1839 // codec usage 1840 BatteryUsageInfo info; 1841 int size = mBatteryData.size(); 1842 1843 reply->writeInt32(size); 1844 int i = 0; 1845 1846 while (i < size) { 1847 info = mBatteryData.valueAt(i); 1848 1849 reply->writeInt32(mBatteryData.keyAt(i)); //UID 1850 reply->writeInt32(info.audioTotalTime); 1851 reply->writeInt32(info.videoTotalTime); 1852 1853 info.audioTotalTime = 0; 1854 info.videoTotalTime = 0; 1855 1856 // remove the UID entry where no stream is being played 1857 if (info.refCount <= 0) { 1858 mBatteryData.removeItemsAt(i); 1859 size --; 1860 i --; 1861 } 1862 i++; 1863 } 1864 return NO_ERROR; 1865} 1866} // namespace android 1867