MediaPlayerService.cpp revision b483c4724846c0b8d4e82afcbb7c17f671bae81c
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 <private/android_filesystem_config.h> 57 58#include "MediaRecorderClient.h" 59#include "MediaPlayerService.h" 60#include "MetadataRetrieverClient.h" 61 62#include "MidiFile.h" 63#include "TestPlayerStub.h" 64#include "StagefrightPlayer.h" 65#include "nuplayer/NuPlayerDriver.h" 66 67#include <OMX.h> 68 69/* desktop Linux needs a little help with gettid() */ 70#if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) 71#define __KERNEL__ 72# include <linux/unistd.h> 73#ifdef _syscall0 74_syscall0(pid_t,gettid) 75#else 76pid_t gettid() { return syscall(__NR_gettid);} 77#endif 78#undef __KERNEL__ 79#endif 80 81namespace { 82using android::media::Metadata; 83using android::status_t; 84using android::OK; 85using android::BAD_VALUE; 86using android::NOT_ENOUGH_DATA; 87using android::Parcel; 88 89// Max number of entries in the filter. 90const int kMaxFilterSize = 64; // I pulled that out of thin air. 91 92// FIXME: Move all the metadata related function in the Metadata.cpp 93 94 95// Unmarshall a filter from a Parcel. 96// Filter format in a parcel: 97// 98// 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 99// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 100// | number of entries (n) | 101// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 102// | metadata type 1 | 103// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 104// | metadata type 2 | 105// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 106// .... 107// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 108// | metadata type n | 109// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 110// 111// @param p Parcel that should start with a filter. 112// @param[out] filter On exit contains the list of metadata type to be 113// filtered. 114// @param[out] status On exit contains the status code to be returned. 115// @return true if the parcel starts with a valid filter. 116bool unmarshallFilter(const Parcel& p, 117 Metadata::Filter *filter, 118 status_t *status) 119{ 120 int32_t val; 121 if (p.readInt32(&val) != OK) 122 { 123 LOGE("Failed to read filter's length"); 124 *status = NOT_ENOUGH_DATA; 125 return false; 126 } 127 128 if( val > kMaxFilterSize || val < 0) 129 { 130 LOGE("Invalid filter len %d", val); 131 *status = BAD_VALUE; 132 return false; 133 } 134 135 const size_t num = val; 136 137 filter->clear(); 138 filter->setCapacity(num); 139 140 size_t size = num * sizeof(Metadata::Type); 141 142 143 if (p.dataAvail() < size) 144 { 145 LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 146 *status = NOT_ENOUGH_DATA; 147 return false; 148 } 149 150 const Metadata::Type *data = 151 static_cast<const Metadata::Type*>(p.readInplace(size)); 152 153 if (NULL == data) 154 { 155 LOGE("Filter had no data"); 156 *status = BAD_VALUE; 157 return false; 158 } 159 160 // TODO: The stl impl of vector would be more efficient here 161 // because it degenerates into a memcpy on pod types. Try to 162 // replace later or use stl::set. 163 for (size_t i = 0; i < num; ++i) 164 { 165 filter->add(*data); 166 ++data; 167 } 168 *status = OK; 169 return true; 170} 171 172// @param filter Of metadata type. 173// @param val To be searched. 174// @return true if a match was found. 175bool findMetadata(const Metadata::Filter& filter, const int32_t val) 176{ 177 // Deal with empty and ANY right away 178 if (filter.isEmpty()) return false; 179 if (filter[0] == Metadata::kAny) return true; 180 181 return filter.indexOf(val) >= 0; 182} 183 184} // anonymous namespace 185 186 187namespace android { 188 189// TODO: Temp hack until we can register players 190typedef struct { 191 const char *extension; 192 const player_type playertype; 193} extmap; 194extmap FILE_EXTS [] = { 195 {".mid", SONIVOX_PLAYER}, 196 {".midi", SONIVOX_PLAYER}, 197 {".smf", SONIVOX_PLAYER}, 198 {".xmf", SONIVOX_PLAYER}, 199 {".imy", SONIVOX_PLAYER}, 200 {".rtttl", SONIVOX_PLAYER}, 201 {".rtx", SONIVOX_PLAYER}, 202 {".ota", SONIVOX_PLAYER}, 203}; 204 205// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 206/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 207/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 208 209void MediaPlayerService::instantiate() { 210 defaultServiceManager()->addService( 211 String16("media.player"), new MediaPlayerService()); 212} 213 214MediaPlayerService::MediaPlayerService() 215{ 216 LOGV("MediaPlayerService created"); 217 mNextConnId = 1; 218 219 mBatteryAudio.refCount = 0; 220 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 221 mBatteryAudio.deviceOn[i] = 0; 222 mBatteryAudio.lastTime[i] = 0; 223 mBatteryAudio.totalTime[i] = 0; 224 } 225 // speaker is on by default 226 mBatteryAudio.deviceOn[SPEAKER] = 1; 227} 228 229MediaPlayerService::~MediaPlayerService() 230{ 231 LOGV("MediaPlayerService destroyed"); 232} 233 234sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) 235{ 236 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 237 wp<MediaRecorderClient> w = recorder; 238 Mutex::Autolock lock(mLock); 239 mMediaRecorderClients.add(w); 240 LOGV("Create new media recorder client from pid %d", pid); 241 return recorder; 242} 243 244void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 245{ 246 Mutex::Autolock lock(mLock); 247 mMediaRecorderClients.remove(client); 248 LOGV("Delete media recorder client"); 249} 250 251sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) 252{ 253 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 254 LOGV("Create new media retriever from pid %d", pid); 255 return retriever; 256} 257 258sp<IMediaPlayer> MediaPlayerService::create( 259 pid_t pid, const sp<IMediaPlayerClient>& client, const char* url, 260 const KeyedVector<String8, String8> *headers, int audioSessionId) 261{ 262 int32_t connId = android_atomic_inc(&mNextConnId); 263 sp<Client> c = new Client(this, pid, connId, client, audioSessionId); 264 LOGV("Create new client(%d) from pid %d, url=%s, connId=%d, audioSessionId=%d", 265 connId, pid, url, connId, audioSessionId); 266 if (NO_ERROR != c->setDataSource(url, headers)) 267 { 268 c.clear(); 269 return c; 270 } 271 wp<Client> w = c; 272 Mutex::Autolock lock(mLock); 273 mClients.add(w); 274 return c; 275} 276 277sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, 278 int fd, int64_t offset, int64_t length, int audioSessionId) 279{ 280 int32_t connId = android_atomic_inc(&mNextConnId); 281 sp<Client> c = new Client(this, pid, connId, client, audioSessionId); 282 LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld, audioSessionId=%d", 283 connId, pid, fd, offset, length, audioSessionId); 284 if (NO_ERROR != c->setDataSource(fd, offset, length)) { 285 c.clear(); 286 } else { 287 wp<Client> w = c; 288 Mutex::Autolock lock(mLock); 289 mClients.add(w); 290 } 291 ::close(fd); 292 return c; 293} 294 295sp<IMediaPlayer> MediaPlayerService::create( 296 pid_t pid, const sp<IMediaPlayerClient> &client, 297 const sp<IStreamSource> &source, int audioSessionId) { 298 int32_t connId = android_atomic_inc(&mNextConnId); 299 sp<Client> c = new Client(this, pid, connId, client, audioSessionId); 300 301 LOGV("Create new client(%d) from pid %d, audioSessionId=%d", 302 connId, pid, audioSessionId); 303 304 if (OK != c->setDataSource(source)) { 305 c.clear(); 306 } else { 307 wp<Client> w = c; 308 Mutex::Autolock lock(mLock); 309 mClients.add(w); 310 } 311 312 return c; 313} 314 315sp<IOMX> MediaPlayerService::getOMX() { 316 Mutex::Autolock autoLock(mLock); 317 318 if (mOMX.get() == NULL) { 319 mOMX = new OMX; 320 } 321 322 return mOMX; 323} 324 325status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 326{ 327 const size_t SIZE = 256; 328 char buffer[SIZE]; 329 String8 result; 330 331 result.append(" AudioCache\n"); 332 if (mHeap != 0) { 333 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 334 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 335 result.append(buffer); 336 } 337 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 338 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 339 result.append(buffer); 340 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 341 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 342 result.append(buffer); 343 ::write(fd, result.string(), result.size()); 344 return NO_ERROR; 345} 346 347status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 348{ 349 const size_t SIZE = 256; 350 char buffer[SIZE]; 351 String8 result; 352 353 result.append(" AudioOutput\n"); 354 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 355 mStreamType, mLeftVolume, mRightVolume); 356 result.append(buffer); 357 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 358 mMsecsPerFrame, mLatency); 359 result.append(buffer); 360 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 361 mAuxEffectId, mSendLevel); 362 result.append(buffer); 363 364 ::write(fd, result.string(), result.size()); 365 if (mTrack != 0) { 366 mTrack->dump(fd, args); 367 } 368 return NO_ERROR; 369} 370 371status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 372{ 373 const size_t SIZE = 256; 374 char buffer[SIZE]; 375 String8 result; 376 result.append(" Client\n"); 377 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 378 mPid, mConnId, mStatus, mLoop?"true": "false"); 379 result.append(buffer); 380 write(fd, result.string(), result.size()); 381 if (mAudioOutput != 0) { 382 mAudioOutput->dump(fd, args); 383 } 384 write(fd, "\n", 1); 385 return NO_ERROR; 386} 387 388static int myTid() { 389#ifdef HAVE_GETTID 390 return gettid(); 391#else 392 return getpid(); 393#endif 394} 395 396status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 397{ 398 const size_t SIZE = 256; 399 char buffer[SIZE]; 400 String8 result; 401 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 402 snprintf(buffer, SIZE, "Permission Denial: " 403 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 404 IPCThreadState::self()->getCallingPid(), 405 IPCThreadState::self()->getCallingUid()); 406 result.append(buffer); 407 } else { 408 Mutex::Autolock lock(mLock); 409 for (int i = 0, n = mClients.size(); i < n; ++i) { 410 sp<Client> c = mClients[i].promote(); 411 if (c != 0) c->dump(fd, args); 412 } 413 if (mMediaRecorderClients.size() == 0) { 414 result.append(" No media recorder client\n\n"); 415 } else { 416 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 417 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 418 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 419 result.append(buffer); 420 write(fd, result.string(), result.size()); 421 result = "\n"; 422 c->dump(fd, args); 423 } 424 } 425 426 result.append(" Files opened and/or mapped:\n"); 427 snprintf(buffer, SIZE, "/proc/%d/maps", myTid()); 428 FILE *f = fopen(buffer, "r"); 429 if (f) { 430 while (!feof(f)) { 431 fgets(buffer, SIZE, f); 432 if (strstr(buffer, " /mnt/sdcard/") || 433 strstr(buffer, " /system/sounds/") || 434 strstr(buffer, " /data/") || 435 strstr(buffer, " /system/media/")) { 436 result.append(" "); 437 result.append(buffer); 438 } 439 } 440 fclose(f); 441 } else { 442 result.append("couldn't open "); 443 result.append(buffer); 444 result.append("\n"); 445 } 446 447 snprintf(buffer, SIZE, "/proc/%d/fd", myTid()); 448 DIR *d = opendir(buffer); 449 if (d) { 450 struct dirent *ent; 451 while((ent = readdir(d)) != NULL) { 452 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 453 snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name); 454 struct stat s; 455 if (lstat(buffer, &s) == 0) { 456 if ((s.st_mode & S_IFMT) == S_IFLNK) { 457 char linkto[256]; 458 int len = readlink(buffer, linkto, sizeof(linkto)); 459 if(len > 0) { 460 if(len > 255) { 461 linkto[252] = '.'; 462 linkto[253] = '.'; 463 linkto[254] = '.'; 464 linkto[255] = 0; 465 } else { 466 linkto[len] = 0; 467 } 468 if (strstr(linkto, "/mnt/sdcard/") == linkto || 469 strstr(linkto, "/system/sounds/") == linkto || 470 strstr(linkto, "/data/") == linkto || 471 strstr(linkto, "/system/media/") == linkto) { 472 result.append(" "); 473 result.append(buffer); 474 result.append(" -> "); 475 result.append(linkto); 476 result.append("\n"); 477 } 478 } 479 } else { 480 result.append(" unexpected type for "); 481 result.append(buffer); 482 result.append("\n"); 483 } 484 } 485 } 486 } 487 closedir(d); 488 } else { 489 result.append("couldn't open "); 490 result.append(buffer); 491 result.append("\n"); 492 } 493 494 bool dumpMem = false; 495 for (size_t i = 0; i < args.size(); i++) { 496 if (args[i] == String16("-m")) { 497 dumpMem = true; 498 } 499 } 500 if (dumpMem) { 501 dumpMemoryAddresses(fd); 502 } 503 } 504 write(fd, result.string(), result.size()); 505 return NO_ERROR; 506} 507 508void MediaPlayerService::removeClient(wp<Client> client) 509{ 510 Mutex::Autolock lock(mLock); 511 mClients.remove(client); 512} 513 514MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid, 515 int32_t connId, const sp<IMediaPlayerClient>& client, int audioSessionId) 516{ 517 LOGV("Client(%d) constructor", connId); 518 mPid = pid; 519 mConnId = connId; 520 mService = service; 521 mClient = client; 522 mLoop = false; 523 mStatus = NO_INIT; 524 mAudioSessionId = audioSessionId; 525 526#if CALLBACK_ANTAGONIZER 527 LOGD("create Antagonizer"); 528 mAntagonizer = new Antagonizer(notify, this); 529#endif 530} 531 532MediaPlayerService::Client::~Client() 533{ 534 LOGV("Client(%d) destructor pid = %d", mConnId, mPid); 535 mAudioOutput.clear(); 536 wp<Client> client(this); 537 disconnect(); 538 mService->removeClient(client); 539} 540 541void MediaPlayerService::Client::disconnect() 542{ 543 LOGV("disconnect(%d) from pid %d", mConnId, mPid); 544 // grab local reference and clear main reference to prevent future 545 // access to object 546 sp<MediaPlayerBase> p; 547 { 548 Mutex::Autolock l(mLock); 549 p = mPlayer; 550 } 551 mClient.clear(); 552 553 mPlayer.clear(); 554 555 // clear the notification to prevent callbacks to dead client 556 // and reset the player. We assume the player will serialize 557 // access to itself if necessary. 558 if (p != 0) { 559 p->setNotifyCallback(0, 0); 560#if CALLBACK_ANTAGONIZER 561 LOGD("kill Antagonizer"); 562 mAntagonizer->kill(); 563#endif 564 p->reset(); 565 } 566 567 IPCThreadState::self()->flushCommands(); 568} 569 570static player_type getDefaultPlayerType() { 571 return STAGEFRIGHT_PLAYER; 572} 573 574player_type getPlayerType(int fd, int64_t offset, int64_t length) 575{ 576 char buf[20]; 577 lseek(fd, offset, SEEK_SET); 578 read(fd, buf, sizeof(buf)); 579 lseek(fd, offset, SEEK_SET); 580 581 long ident = *((long*)buf); 582 583 // Ogg vorbis? 584 if (ident == 0x5367674f) // 'OggS' 585 return STAGEFRIGHT_PLAYER; 586 587 // Some kind of MIDI? 588 EAS_DATA_HANDLE easdata; 589 if (EAS_Init(&easdata) == EAS_SUCCESS) { 590 EAS_FILE locator; 591 locator.path = NULL; 592 locator.fd = fd; 593 locator.offset = offset; 594 locator.length = length; 595 EAS_HANDLE eashandle; 596 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 597 EAS_CloseFile(easdata, eashandle); 598 EAS_Shutdown(easdata); 599 return SONIVOX_PLAYER; 600 } 601 EAS_Shutdown(easdata); 602 } 603 604 return getDefaultPlayerType(); 605} 606 607player_type getPlayerType(const char* url) 608{ 609 if (TestPlayerStub::canBeUsed(url)) { 610 return TEST_PLAYER; 611 } 612 613 if (!strncasecmp("http://", url, 7) 614 || !strncasecmp("https://", url, 8)) { 615 size_t len = strlen(url); 616 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 617 return NU_PLAYER; 618 } 619 620 if (strstr(url,"m3u8")) { 621 return NU_PLAYER; 622 } 623 } 624 625 // use MidiFile for MIDI extensions 626 int lenURL = strlen(url); 627 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 628 int len = strlen(FILE_EXTS[i].extension); 629 int start = lenURL - len; 630 if (start > 0) { 631 if (!strncasecmp(url + start, FILE_EXTS[i].extension, len)) { 632 return FILE_EXTS[i].playertype; 633 } 634 } 635 } 636 637 return getDefaultPlayerType(); 638} 639 640static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, 641 notify_callback_f notifyFunc) 642{ 643 sp<MediaPlayerBase> p; 644 switch (playerType) { 645 case SONIVOX_PLAYER: 646 LOGV(" create MidiFile"); 647 p = new MidiFile(); 648 break; 649 case STAGEFRIGHT_PLAYER: 650 LOGV(" create StagefrightPlayer"); 651 p = new StagefrightPlayer; 652 break; 653 case NU_PLAYER: 654 LOGV(" create NuPlayer"); 655 p = new NuPlayerDriver; 656 break; 657 case TEST_PLAYER: 658 LOGV("Create Test Player stub"); 659 p = new TestPlayerStub(); 660 break; 661 default: 662 LOGE("Unknown player type: %d", playerType); 663 return NULL; 664 } 665 if (p != NULL) { 666 if (p->initCheck() == NO_ERROR) { 667 p->setNotifyCallback(cookie, notifyFunc); 668 } else { 669 p.clear(); 670 } 671 } 672 if (p == NULL) { 673 LOGE("Failed to create player object"); 674 } 675 return p; 676} 677 678sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 679{ 680 // determine if we have the right player type 681 sp<MediaPlayerBase> p = mPlayer; 682 if ((p != NULL) && (p->playerType() != playerType)) { 683 LOGV("delete player"); 684 p.clear(); 685 } 686 if (p == NULL) { 687 p = android::createPlayer(playerType, this, notify); 688 } 689 return p; 690} 691 692status_t MediaPlayerService::Client::setDataSource( 693 const char *url, const KeyedVector<String8, String8> *headers) 694{ 695 LOGV("setDataSource(%s)", url); 696 if (url == NULL) 697 return UNKNOWN_ERROR; 698 699 if (strncmp(url, "content://", 10) == 0) { 700 // get a filedescriptor for the content Uri and 701 // pass it to the setDataSource(fd) method 702 703 String16 url16(url); 704 int fd = android::openContentProviderFile(url16); 705 if (fd < 0) 706 { 707 LOGE("Couldn't open fd for %s", url); 708 return UNKNOWN_ERROR; 709 } 710 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 711 close(fd); 712 return mStatus; 713 } else { 714 player_type playerType = getPlayerType(url); 715 LOGV("player type = %d", playerType); 716 717 // create the right type of player 718 sp<MediaPlayerBase> p = createPlayer(playerType); 719 if (p == NULL) return NO_INIT; 720 721 if (!p->hardwareOutput()) { 722 mAudioOutput = new AudioOutput(mAudioSessionId); 723 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 724 } 725 726 // now set data source 727 LOGV(" setDataSource"); 728 mStatus = p->setDataSource(url, headers); 729 if (mStatus == NO_ERROR) { 730 mPlayer = p; 731 } else { 732 LOGE(" error: %d", mStatus); 733 } 734 return mStatus; 735 } 736} 737 738status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 739{ 740 LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 741 struct stat sb; 742 int ret = fstat(fd, &sb); 743 if (ret != 0) { 744 LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 745 return UNKNOWN_ERROR; 746 } 747 748 LOGV("st_dev = %llu", sb.st_dev); 749 LOGV("st_mode = %u", sb.st_mode); 750 LOGV("st_uid = %lu", sb.st_uid); 751 LOGV("st_gid = %lu", sb.st_gid); 752 LOGV("st_size = %llu", sb.st_size); 753 754 if (offset >= sb.st_size) { 755 LOGE("offset error"); 756 ::close(fd); 757 return UNKNOWN_ERROR; 758 } 759 if (offset + length > sb.st_size) { 760 length = sb.st_size - offset; 761 LOGV("calculated length = %lld", length); 762 } 763 764 player_type playerType = getPlayerType(fd, offset, length); 765 LOGV("player type = %d", playerType); 766 767 // create the right type of player 768 sp<MediaPlayerBase> p = createPlayer(playerType); 769 if (p == NULL) return NO_INIT; 770 771 if (!p->hardwareOutput()) { 772 mAudioOutput = new AudioOutput(mAudioSessionId); 773 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 774 } 775 776 // now set data source 777 mStatus = p->setDataSource(fd, offset, length); 778 if (mStatus == NO_ERROR) mPlayer = p; 779 return mStatus; 780} 781 782status_t MediaPlayerService::Client::setDataSource( 783 const sp<IStreamSource> &source) { 784 // create the right type of player 785 sp<MediaPlayerBase> p = createPlayer(NU_PLAYER); 786 787 if (p == NULL) { 788 return NO_INIT; 789 } 790 791 if (!p->hardwareOutput()) { 792 mAudioOutput = new AudioOutput(mAudioSessionId); 793 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 794 } 795 796 // now set data source 797 mStatus = p->setDataSource(source); 798 799 if (mStatus == OK) { 800 mPlayer = p; 801 } 802 803 return mStatus; 804} 805 806status_t MediaPlayerService::Client::setVideoSurface(const sp<Surface>& surface) 807{ 808 LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); 809 sp<MediaPlayerBase> p = getPlayer(); 810 if (p == 0) return UNKNOWN_ERROR; 811 return p->setVideoSurface(surface); 812} 813 814status_t MediaPlayerService::Client::setVideoSurfaceTexture( 815 const sp<ISurfaceTexture>& surfaceTexture) 816{ 817 LOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, surfaceTexture.get()); 818 sp<MediaPlayerBase> p = getPlayer(); 819 if (p == 0) return UNKNOWN_ERROR; 820 return p->setVideoSurfaceTexture(surfaceTexture); 821} 822 823status_t MediaPlayerService::Client::invoke(const Parcel& request, 824 Parcel *reply) 825{ 826 sp<MediaPlayerBase> p = getPlayer(); 827 if (p == NULL) return UNKNOWN_ERROR; 828 return p->invoke(request, reply); 829} 830 831// This call doesn't need to access the native player. 832status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 833{ 834 status_t status; 835 media::Metadata::Filter allow, drop; 836 837 if (unmarshallFilter(filter, &allow, &status) && 838 unmarshallFilter(filter, &drop, &status)) { 839 Mutex::Autolock lock(mLock); 840 841 mMetadataAllow = allow; 842 mMetadataDrop = drop; 843 } 844 return status; 845} 846 847status_t MediaPlayerService::Client::getMetadata( 848 bool update_only, bool apply_filter, Parcel *reply) 849{ 850 sp<MediaPlayerBase> player = getPlayer(); 851 if (player == 0) return UNKNOWN_ERROR; 852 853 status_t status; 854 // Placeholder for the return code, updated by the caller. 855 reply->writeInt32(-1); 856 857 media::Metadata::Filter ids; 858 859 // We don't block notifications while we fetch the data. We clear 860 // mMetadataUpdated first so we don't lose notifications happening 861 // during the rest of this call. 862 { 863 Mutex::Autolock lock(mLock); 864 if (update_only) { 865 ids = mMetadataUpdated; 866 } 867 mMetadataUpdated.clear(); 868 } 869 870 media::Metadata metadata(reply); 871 872 metadata.appendHeader(); 873 status = player->getMetadata(ids, reply); 874 875 if (status != OK) { 876 metadata.resetParcel(); 877 LOGE("getMetadata failed %d", status); 878 return status; 879 } 880 881 // FIXME: Implement filtering on the result. Not critical since 882 // filtering takes place on the update notifications already. This 883 // would be when all the metadata are fetch and a filter is set. 884 885 // Everything is fine, update the metadata length. 886 metadata.updateLength(); 887 return OK; 888} 889 890status_t MediaPlayerService::Client::prepareAsync() 891{ 892 LOGV("[%d] prepareAsync", mConnId); 893 sp<MediaPlayerBase> p = getPlayer(); 894 if (p == 0) return UNKNOWN_ERROR; 895 status_t ret = p->prepareAsync(); 896#if CALLBACK_ANTAGONIZER 897 LOGD("start Antagonizer"); 898 if (ret == NO_ERROR) mAntagonizer->start(); 899#endif 900 return ret; 901} 902 903status_t MediaPlayerService::Client::start() 904{ 905 LOGV("[%d] start", mConnId); 906 sp<MediaPlayerBase> p = getPlayer(); 907 if (p == 0) return UNKNOWN_ERROR; 908 p->setLooping(mLoop); 909 return p->start(); 910} 911 912status_t MediaPlayerService::Client::stop() 913{ 914 LOGV("[%d] stop", mConnId); 915 sp<MediaPlayerBase> p = getPlayer(); 916 if (p == 0) return UNKNOWN_ERROR; 917 return p->stop(); 918} 919 920status_t MediaPlayerService::Client::pause() 921{ 922 LOGV("[%d] pause", mConnId); 923 sp<MediaPlayerBase> p = getPlayer(); 924 if (p == 0) return UNKNOWN_ERROR; 925 return p->pause(); 926} 927 928status_t MediaPlayerService::Client::isPlaying(bool* state) 929{ 930 *state = false; 931 sp<MediaPlayerBase> p = getPlayer(); 932 if (p == 0) return UNKNOWN_ERROR; 933 *state = p->isPlaying(); 934 LOGV("[%d] isPlaying: %d", mConnId, *state); 935 return NO_ERROR; 936} 937 938status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 939{ 940 LOGV("getCurrentPosition"); 941 sp<MediaPlayerBase> p = getPlayer(); 942 if (p == 0) return UNKNOWN_ERROR; 943 status_t ret = p->getCurrentPosition(msec); 944 if (ret == NO_ERROR) { 945 LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 946 } else { 947 LOGE("getCurrentPosition returned %d", ret); 948 } 949 return ret; 950} 951 952status_t MediaPlayerService::Client::getDuration(int *msec) 953{ 954 LOGV("getDuration"); 955 sp<MediaPlayerBase> p = getPlayer(); 956 if (p == 0) return UNKNOWN_ERROR; 957 status_t ret = p->getDuration(msec); 958 if (ret == NO_ERROR) { 959 LOGV("[%d] getDuration = %d", mConnId, *msec); 960 } else { 961 LOGE("getDuration returned %d", ret); 962 } 963 return ret; 964} 965 966status_t MediaPlayerService::Client::seekTo(int msec) 967{ 968 LOGV("[%d] seekTo(%d)", mConnId, msec); 969 sp<MediaPlayerBase> p = getPlayer(); 970 if (p == 0) return UNKNOWN_ERROR; 971 return p->seekTo(msec); 972} 973 974status_t MediaPlayerService::Client::reset() 975{ 976 LOGV("[%d] reset", mConnId); 977 sp<MediaPlayerBase> p = getPlayer(); 978 if (p == 0) return UNKNOWN_ERROR; 979 return p->reset(); 980} 981 982status_t MediaPlayerService::Client::setAudioStreamType(int type) 983{ 984 LOGV("[%d] setAudioStreamType(%d)", mConnId, type); 985 // TODO: for hardware output, call player instead 986 Mutex::Autolock l(mLock); 987 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 988 return NO_ERROR; 989} 990 991status_t MediaPlayerService::Client::setLooping(int loop) 992{ 993 LOGV("[%d] setLooping(%d)", mConnId, loop); 994 mLoop = loop; 995 sp<MediaPlayerBase> p = getPlayer(); 996 if (p != 0) return p->setLooping(loop); 997 return NO_ERROR; 998} 999 1000status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1001{ 1002 LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1003 // TODO: for hardware output, call player instead 1004 Mutex::Autolock l(mLock); 1005 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1006 return NO_ERROR; 1007} 1008 1009status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1010{ 1011 LOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1012 Mutex::Autolock l(mLock); 1013 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1014 return NO_ERROR; 1015} 1016 1017status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1018{ 1019 LOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1020 Mutex::Autolock l(mLock); 1021 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1022 return NO_ERROR; 1023} 1024 1025void MediaPlayerService::Client::notify( 1026 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1027{ 1028 Client* client = static_cast<Client*>(cookie); 1029 1030 if (MEDIA_INFO == msg && 1031 MEDIA_INFO_METADATA_UPDATE == ext1) { 1032 const media::Metadata::Type metadata_type = ext2; 1033 1034 if(client->shouldDropMetadata(metadata_type)) { 1035 return; 1036 } 1037 1038 // Update the list of metadata that have changed. getMetadata 1039 // also access mMetadataUpdated and clears it. 1040 client->addNewMetadataUpdate(metadata_type); 1041 } 1042 LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1043 client->mClient->notify(msg, ext1, ext2, obj); 1044} 1045 1046 1047bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1048{ 1049 Mutex::Autolock lock(mLock); 1050 1051 if (findMetadata(mMetadataDrop, code)) { 1052 return true; 1053 } 1054 1055 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1056 return false; 1057 } else { 1058 return true; 1059 } 1060} 1061 1062 1063void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1064 Mutex::Autolock lock(mLock); 1065 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1066 mMetadataUpdated.add(metadata_type); 1067 } 1068} 1069 1070#if CALLBACK_ANTAGONIZER 1071const int Antagonizer::interval = 10000; // 10 msecs 1072 1073Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1074 mExit(false), mActive(false), mClient(client), mCb(cb) 1075{ 1076 createThread(callbackThread, this); 1077} 1078 1079void Antagonizer::kill() 1080{ 1081 Mutex::Autolock _l(mLock); 1082 mActive = false; 1083 mExit = true; 1084 mCondition.wait(mLock); 1085} 1086 1087int Antagonizer::callbackThread(void* user) 1088{ 1089 LOGD("Antagonizer started"); 1090 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1091 while (!p->mExit) { 1092 if (p->mActive) { 1093 LOGV("send event"); 1094 p->mCb(p->mClient, 0, 0, 0); 1095 } 1096 usleep(interval); 1097 } 1098 Mutex::Autolock _l(p->mLock); 1099 p->mCondition.signal(); 1100 LOGD("Antagonizer stopped"); 1101 return 0; 1102} 1103#endif 1104 1105static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1106 1107sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1108{ 1109 LOGV("decode(%s)", url); 1110 sp<MemoryBase> mem; 1111 sp<MediaPlayerBase> player; 1112 1113 // Protect our precious, precious DRMd ringtones by only allowing 1114 // decoding of http, but not filesystem paths or content Uris. 1115 // If the application wants to decode those, it should open a 1116 // filedescriptor for them and use that. 1117 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1118 LOGD("Can't decode %s by path, use filedescriptor instead", url); 1119 return mem; 1120 } 1121 1122 player_type playerType = getPlayerType(url); 1123 LOGV("player type = %d", playerType); 1124 1125 // create the right type of player 1126 sp<AudioCache> cache = new AudioCache(url); 1127 player = android::createPlayer(playerType, cache.get(), cache->notify); 1128 if (player == NULL) goto Exit; 1129 if (player->hardwareOutput()) goto Exit; 1130 1131 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1132 1133 // set data source 1134 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1135 1136 LOGV("prepare"); 1137 player->prepareAsync(); 1138 1139 LOGV("wait for prepare"); 1140 if (cache->wait() != NO_ERROR) goto Exit; 1141 1142 LOGV("start"); 1143 player->start(); 1144 1145 LOGV("wait for playback complete"); 1146 if (cache->wait() != NO_ERROR) goto Exit; 1147 1148 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1149 *pSampleRate = cache->sampleRate(); 1150 *pNumChannels = cache->channelCount(); 1151 *pFormat = cache->format(); 1152 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1153 1154Exit: 1155 if (player != 0) player->reset(); 1156 return mem; 1157} 1158 1159sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1160{ 1161 LOGV("decode(%d, %lld, %lld)", fd, offset, length); 1162 sp<MemoryBase> mem; 1163 sp<MediaPlayerBase> player; 1164 1165 player_type playerType = getPlayerType(fd, offset, length); 1166 LOGV("player type = %d", playerType); 1167 1168 // create the right type of player 1169 sp<AudioCache> cache = new AudioCache("decode_fd"); 1170 player = android::createPlayer(playerType, cache.get(), cache->notify); 1171 if (player == NULL) goto Exit; 1172 if (player->hardwareOutput()) goto Exit; 1173 1174 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1175 1176 // set data source 1177 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1178 1179 LOGV("prepare"); 1180 player->prepareAsync(); 1181 1182 LOGV("wait for prepare"); 1183 if (cache->wait() != NO_ERROR) goto Exit; 1184 1185 LOGV("start"); 1186 player->start(); 1187 1188 LOGV("wait for playback complete"); 1189 if (cache->wait() != NO_ERROR) goto Exit; 1190 1191 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1192 *pSampleRate = cache->sampleRate(); 1193 *pNumChannels = cache->channelCount(); 1194 *pFormat = cache->format(); 1195 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1196 1197Exit: 1198 if (player != 0) player->reset(); 1199 ::close(fd); 1200 return mem; 1201} 1202 1203 1204#undef LOG_TAG 1205#define LOG_TAG "AudioSink" 1206MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1207 : mCallback(NULL), 1208 mCallbackCookie(NULL), 1209 mSessionId(sessionId) { 1210 LOGV("AudioOutput(%d)", sessionId); 1211 mTrack = 0; 1212 mStreamType = AudioSystem::MUSIC; 1213 mLeftVolume = 1.0; 1214 mRightVolume = 1.0; 1215 mLatency = 0; 1216 mMsecsPerFrame = 0; 1217 mAuxEffectId = 0; 1218 mSendLevel = 0.0; 1219 setMinBufferCount(); 1220} 1221 1222MediaPlayerService::AudioOutput::~AudioOutput() 1223{ 1224 close(); 1225} 1226 1227void MediaPlayerService::AudioOutput::setMinBufferCount() 1228{ 1229 char value[PROPERTY_VALUE_MAX]; 1230 if (property_get("ro.kernel.qemu", value, 0)) { 1231 mIsOnEmulator = true; 1232 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1233 } 1234} 1235 1236bool MediaPlayerService::AudioOutput::isOnEmulator() 1237{ 1238 setMinBufferCount(); 1239 return mIsOnEmulator; 1240} 1241 1242int MediaPlayerService::AudioOutput::getMinBufferCount() 1243{ 1244 setMinBufferCount(); 1245 return mMinBufferCount; 1246} 1247 1248ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1249{ 1250 if (mTrack == 0) return NO_INIT; 1251 return mTrack->frameCount() * frameSize(); 1252} 1253 1254ssize_t MediaPlayerService::AudioOutput::frameCount() const 1255{ 1256 if (mTrack == 0) return NO_INIT; 1257 return mTrack->frameCount(); 1258} 1259 1260ssize_t MediaPlayerService::AudioOutput::channelCount() const 1261{ 1262 if (mTrack == 0) return NO_INIT; 1263 return mTrack->channelCount(); 1264} 1265 1266ssize_t MediaPlayerService::AudioOutput::frameSize() const 1267{ 1268 if (mTrack == 0) return NO_INIT; 1269 return mTrack->frameSize(); 1270} 1271 1272uint32_t MediaPlayerService::AudioOutput::latency () const 1273{ 1274 return mLatency; 1275} 1276 1277float MediaPlayerService::AudioOutput::msecsPerFrame() const 1278{ 1279 return mMsecsPerFrame; 1280} 1281 1282status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) 1283{ 1284 if (mTrack == 0) return NO_INIT; 1285 return mTrack->getPosition(position); 1286} 1287 1288status_t MediaPlayerService::AudioOutput::open( 1289 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1290 AudioCallback cb, void *cookie) 1291{ 1292 mCallback = cb; 1293 mCallbackCookie = cookie; 1294 1295 // Check argument "bufferCount" against the mininum buffer count 1296 if (bufferCount < mMinBufferCount) { 1297 LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1298 bufferCount = mMinBufferCount; 1299 1300 } 1301 LOGV("open(%u, %d, %d, %d, %d)", sampleRate, channelCount, format, bufferCount,mSessionId); 1302 if (mTrack) close(); 1303 int afSampleRate; 1304 int afFrameCount; 1305 int frameCount; 1306 1307 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1308 return NO_INIT; 1309 } 1310 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1311 return NO_INIT; 1312 } 1313 1314 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1315 1316 AudioTrack *t; 1317 if (mCallback != NULL) { 1318 t = new AudioTrack( 1319 mStreamType, 1320 sampleRate, 1321 format, 1322 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1323 frameCount, 1324 0 /* flags */, 1325 CallbackWrapper, 1326 this, 1327 0, 1328 mSessionId); 1329 } else { 1330 t = new AudioTrack( 1331 mStreamType, 1332 sampleRate, 1333 format, 1334 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1335 frameCount, 1336 0, 1337 NULL, 1338 NULL, 1339 0, 1340 mSessionId); 1341 } 1342 1343 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1344 LOGE("Unable to create audio track"); 1345 delete t; 1346 return NO_INIT; 1347 } 1348 1349 LOGV("setVolume"); 1350 t->setVolume(mLeftVolume, mRightVolume); 1351 1352 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1353 mLatency = t->latency(); 1354 mTrack = t; 1355 1356 t->setAuxEffectSendLevel(mSendLevel); 1357 return t->attachAuxEffect(mAuxEffectId);; 1358} 1359 1360void MediaPlayerService::AudioOutput::start() 1361{ 1362 LOGV("start"); 1363 if (mTrack) { 1364 mTrack->setVolume(mLeftVolume, mRightVolume); 1365 mTrack->setAuxEffectSendLevel(mSendLevel); 1366 mTrack->start(); 1367 } 1368} 1369 1370 1371 1372ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1373{ 1374 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1375 1376 //LOGV("write(%p, %u)", buffer, size); 1377 if (mTrack) { 1378 ssize_t ret = mTrack->write(buffer, size); 1379 return ret; 1380 } 1381 return NO_INIT; 1382} 1383 1384void MediaPlayerService::AudioOutput::stop() 1385{ 1386 LOGV("stop"); 1387 if (mTrack) mTrack->stop(); 1388} 1389 1390void MediaPlayerService::AudioOutput::flush() 1391{ 1392 LOGV("flush"); 1393 if (mTrack) mTrack->flush(); 1394} 1395 1396void MediaPlayerService::AudioOutput::pause() 1397{ 1398 LOGV("pause"); 1399 if (mTrack) mTrack->pause(); 1400} 1401 1402void MediaPlayerService::AudioOutput::close() 1403{ 1404 LOGV("close"); 1405 delete mTrack; 1406 mTrack = 0; 1407} 1408 1409void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1410{ 1411 LOGV("setVolume(%f, %f)", left, right); 1412 mLeftVolume = left; 1413 mRightVolume = right; 1414 if (mTrack) { 1415 mTrack->setVolume(left, right); 1416 } 1417} 1418 1419status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1420{ 1421 LOGV("setAuxEffectSendLevel(%f)", level); 1422 mSendLevel = level; 1423 if (mTrack) { 1424 return mTrack->setAuxEffectSendLevel(level); 1425 } 1426 return NO_ERROR; 1427} 1428 1429status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1430{ 1431 LOGV("attachAuxEffect(%d)", effectId); 1432 mAuxEffectId = effectId; 1433 if (mTrack) { 1434 return mTrack->attachAuxEffect(effectId); 1435 } 1436 return NO_ERROR; 1437} 1438 1439// static 1440void MediaPlayerService::AudioOutput::CallbackWrapper( 1441 int event, void *cookie, void *info) { 1442 //LOGV("callbackwrapper"); 1443 if (event != AudioTrack::EVENT_MORE_DATA) { 1444 return; 1445 } 1446 1447 AudioOutput *me = (AudioOutput *)cookie; 1448 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1449 1450 size_t actualSize = (*me->mCallback)( 1451 me, buffer->raw, buffer->size, me->mCallbackCookie); 1452 1453 if (actualSize == 0 && buffer->size > 0) { 1454 // We've reached EOS but the audio track is not stopped yet, 1455 // keep playing silence. 1456 1457 memset(buffer->raw, 0, buffer->size); 1458 actualSize = buffer->size; 1459 } 1460 1461 buffer->size = actualSize; 1462} 1463 1464int MediaPlayerService::AudioOutput::getSessionId() 1465{ 1466 return mSessionId; 1467} 1468 1469#undef LOG_TAG 1470#define LOG_TAG "AudioCache" 1471MediaPlayerService::AudioCache::AudioCache(const char* name) : 1472 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1473 mError(NO_ERROR), mCommandComplete(false) 1474{ 1475 // create ashmem heap 1476 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1477} 1478 1479uint32_t MediaPlayerService::AudioCache::latency () const 1480{ 1481 return 0; 1482} 1483 1484float MediaPlayerService::AudioCache::msecsPerFrame() const 1485{ 1486 return mMsecsPerFrame; 1487} 1488 1489status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) 1490{ 1491 if (position == 0) return BAD_VALUE; 1492 *position = mSize; 1493 return NO_ERROR; 1494} 1495 1496//////////////////////////////////////////////////////////////////////////////// 1497 1498struct CallbackThread : public Thread { 1499 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1500 MediaPlayerBase::AudioSink::AudioCallback cb, 1501 void *cookie); 1502 1503protected: 1504 virtual ~CallbackThread(); 1505 1506 virtual bool threadLoop(); 1507 1508private: 1509 wp<MediaPlayerBase::AudioSink> mSink; 1510 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1511 void *mCookie; 1512 void *mBuffer; 1513 size_t mBufferSize; 1514 1515 CallbackThread(const CallbackThread &); 1516 CallbackThread &operator=(const CallbackThread &); 1517}; 1518 1519CallbackThread::CallbackThread( 1520 const wp<MediaPlayerBase::AudioSink> &sink, 1521 MediaPlayerBase::AudioSink::AudioCallback cb, 1522 void *cookie) 1523 : mSink(sink), 1524 mCallback(cb), 1525 mCookie(cookie), 1526 mBuffer(NULL), 1527 mBufferSize(0) { 1528} 1529 1530CallbackThread::~CallbackThread() { 1531 if (mBuffer) { 1532 free(mBuffer); 1533 mBuffer = NULL; 1534 } 1535} 1536 1537bool CallbackThread::threadLoop() { 1538 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1539 if (sink == NULL) { 1540 return false; 1541 } 1542 1543 if (mBuffer == NULL) { 1544 mBufferSize = sink->bufferSize(); 1545 mBuffer = malloc(mBufferSize); 1546 } 1547 1548 size_t actualSize = 1549 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1550 1551 if (actualSize > 0) { 1552 sink->write(mBuffer, actualSize); 1553 } 1554 1555 return true; 1556} 1557 1558//////////////////////////////////////////////////////////////////////////////// 1559 1560status_t MediaPlayerService::AudioCache::open( 1561 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1562 AudioCallback cb, void *cookie) 1563{ 1564 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1565 if (mHeap->getHeapID() < 0) { 1566 return NO_INIT; 1567 } 1568 1569 mSampleRate = sampleRate; 1570 mChannelCount = (uint16_t)channelCount; 1571 mFormat = (uint16_t)format; 1572 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1573 1574 if (cb != NULL) { 1575 mCallbackThread = new CallbackThread(this, cb, cookie); 1576 } 1577 return NO_ERROR; 1578} 1579 1580void MediaPlayerService::AudioCache::start() { 1581 if (mCallbackThread != NULL) { 1582 mCallbackThread->run("AudioCache callback"); 1583 } 1584} 1585 1586void MediaPlayerService::AudioCache::stop() { 1587 if (mCallbackThread != NULL) { 1588 mCallbackThread->requestExitAndWait(); 1589 } 1590} 1591 1592ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1593{ 1594 LOGV("write(%p, %u)", buffer, size); 1595 if ((buffer == 0) || (size == 0)) return size; 1596 1597 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1598 if (p == NULL) return NO_INIT; 1599 p += mSize; 1600 LOGV("memcpy(%p, %p, %u)", p, buffer, size); 1601 if (mSize + size > mHeap->getSize()) { 1602 LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1603 size = mHeap->getSize() - mSize; 1604 } 1605 memcpy(p, buffer, size); 1606 mSize += size; 1607 return size; 1608} 1609 1610// call with lock held 1611status_t MediaPlayerService::AudioCache::wait() 1612{ 1613 Mutex::Autolock lock(mLock); 1614 while (!mCommandComplete) { 1615 mSignal.wait(mLock); 1616 } 1617 mCommandComplete = false; 1618 1619 if (mError == NO_ERROR) { 1620 LOGV("wait - success"); 1621 } else { 1622 LOGV("wait - error"); 1623 } 1624 return mError; 1625} 1626 1627void MediaPlayerService::AudioCache::notify( 1628 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1629{ 1630 LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1631 AudioCache* p = static_cast<AudioCache*>(cookie); 1632 1633 // ignore buffering messages 1634 switch (msg) 1635 { 1636 case MEDIA_ERROR: 1637 LOGE("Error %d, %d occurred", ext1, ext2); 1638 p->mError = ext1; 1639 break; 1640 case MEDIA_PREPARED: 1641 LOGV("prepared"); 1642 break; 1643 case MEDIA_PLAYBACK_COMPLETE: 1644 LOGV("playback complete"); 1645 break; 1646 default: 1647 LOGV("ignored"); 1648 return; 1649 } 1650 1651 // wake up thread 1652 Mutex::Autolock lock(p->mLock); 1653 p->mCommandComplete = true; 1654 p->mSignal.signal(); 1655} 1656 1657int MediaPlayerService::AudioCache::getSessionId() 1658{ 1659 return 0; 1660} 1661 1662void MediaPlayerService::addBatteryData(uint32_t params) 1663{ 1664 Mutex::Autolock lock(mLock); 1665 1666 int32_t time = systemTime() / 1000000L; 1667 1668 // change audio output devices. This notification comes from AudioFlinger 1669 if ((params & kBatteryDataSpeakerOn) 1670 || (params & kBatteryDataOtherAudioDeviceOn)) { 1671 1672 int deviceOn[NUM_AUDIO_DEVICES]; 1673 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1674 deviceOn[i] = 0; 1675 } 1676 1677 if ((params & kBatteryDataSpeakerOn) 1678 && (params & kBatteryDataOtherAudioDeviceOn)) { 1679 deviceOn[SPEAKER_AND_OTHER] = 1; 1680 } else if (params & kBatteryDataSpeakerOn) { 1681 deviceOn[SPEAKER] = 1; 1682 } else { 1683 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1684 } 1685 1686 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1687 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1688 1689 if (mBatteryAudio.refCount > 0) { // if playing audio 1690 if (!deviceOn[i]) { 1691 mBatteryAudio.lastTime[i] += time; 1692 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1693 mBatteryAudio.lastTime[i] = 0; 1694 } else { 1695 mBatteryAudio.lastTime[i] = 0 - time; 1696 } 1697 } 1698 1699 mBatteryAudio.deviceOn[i] = deviceOn[i]; 1700 } 1701 } 1702 return; 1703 } 1704 1705 // an sudio stream is started 1706 if (params & kBatteryDataAudioFlingerStart) { 1707 // record the start time only if currently no other audio 1708 // is being played 1709 if (mBatteryAudio.refCount == 0) { 1710 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1711 if (mBatteryAudio.deviceOn[i]) { 1712 mBatteryAudio.lastTime[i] -= time; 1713 } 1714 } 1715 } 1716 1717 mBatteryAudio.refCount ++; 1718 return; 1719 1720 } else if (params & kBatteryDataAudioFlingerStop) { 1721 if (mBatteryAudio.refCount <= 0) { 1722 LOGW("Battery track warning: refCount is <= 0"); 1723 return; 1724 } 1725 1726 // record the stop time only if currently this is the only 1727 // audio being played 1728 if (mBatteryAudio.refCount == 1) { 1729 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1730 if (mBatteryAudio.deviceOn[i]) { 1731 mBatteryAudio.lastTime[i] += time; 1732 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1733 mBatteryAudio.lastTime[i] = 0; 1734 } 1735 } 1736 } 1737 1738 mBatteryAudio.refCount --; 1739 return; 1740 } 1741 1742 int uid = IPCThreadState::self()->getCallingUid(); 1743 if (uid == AID_MEDIA) { 1744 return; 1745 } 1746 int index = mBatteryData.indexOfKey(uid); 1747 1748 if (index < 0) { // create a new entry for this UID 1749 BatteryUsageInfo info; 1750 info.audioTotalTime = 0; 1751 info.videoTotalTime = 0; 1752 info.audioLastTime = 0; 1753 info.videoLastTime = 0; 1754 info.refCount = 0; 1755 1756 if (mBatteryData.add(uid, info) == NO_MEMORY) { 1757 LOGE("Battery track error: no memory for new app"); 1758 return; 1759 } 1760 } 1761 1762 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 1763 1764 if (params & kBatteryDataCodecStarted) { 1765 if (params & kBatteryDataTrackAudio) { 1766 info.audioLastTime -= time; 1767 info.refCount ++; 1768 } 1769 if (params & kBatteryDataTrackVideo) { 1770 info.videoLastTime -= time; 1771 info.refCount ++; 1772 } 1773 } else { 1774 if (info.refCount == 0) { 1775 LOGW("Battery track warning: refCount is already 0"); 1776 return; 1777 } else if (info.refCount < 0) { 1778 LOGE("Battery track error: refCount < 0"); 1779 mBatteryData.removeItem(uid); 1780 return; 1781 } 1782 1783 if (params & kBatteryDataTrackAudio) { 1784 info.audioLastTime += time; 1785 info.refCount --; 1786 } 1787 if (params & kBatteryDataTrackVideo) { 1788 info.videoLastTime += time; 1789 info.refCount --; 1790 } 1791 1792 // no stream is being played by this UID 1793 if (info.refCount == 0) { 1794 info.audioTotalTime += info.audioLastTime; 1795 info.audioLastTime = 0; 1796 info.videoTotalTime += info.videoLastTime; 1797 info.videoLastTime = 0; 1798 } 1799 } 1800} 1801 1802status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 1803 Mutex::Autolock lock(mLock); 1804 1805 // audio output devices usage 1806 int32_t time = systemTime() / 1000000L; //in ms 1807 int32_t totalTime; 1808 1809 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1810 totalTime = mBatteryAudio.totalTime[i]; 1811 1812 if (mBatteryAudio.deviceOn[i] 1813 && (mBatteryAudio.lastTime[i] != 0)) { 1814 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 1815 totalTime += tmpTime; 1816 } 1817 1818 reply->writeInt32(totalTime); 1819 // reset the total time 1820 mBatteryAudio.totalTime[i] = 0; 1821 } 1822 1823 // codec usage 1824 BatteryUsageInfo info; 1825 int size = mBatteryData.size(); 1826 1827 reply->writeInt32(size); 1828 int i = 0; 1829 1830 while (i < size) { 1831 info = mBatteryData.valueAt(i); 1832 1833 reply->writeInt32(mBatteryData.keyAt(i)); //UID 1834 reply->writeInt32(info.audioTotalTime); 1835 reply->writeInt32(info.videoTotalTime); 1836 1837 info.audioTotalTime = 0; 1838 info.videoTotalTime = 0; 1839 1840 // remove the UID entry where no stream is being played 1841 if (info.refCount <= 0) { 1842 mBatteryData.removeItemsAt(i); 1843 size --; 1844 i --; 1845 } 1846 i++; 1847 } 1848 return NO_ERROR; 1849} 1850} // namespace android 1851