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 <dirent.h> 27 #include <unistd.h> 28 29 #include <string.h> 30 31 #include <cutils/atomic.h> 32 #include <cutils/properties.h> // for property_get 33 34 #include <utils/misc.h> 35 36 #include <android_runtime/ActivityManager.h> 37 38 #include <binder/IPCThreadState.h> 39 #include <binder/IServiceManager.h> 40 #include <binder/MemoryHeapBase.h> 41 #include <binder/MemoryBase.h> 42 #include <utils/Errors.h> // for status_t 43 #include <utils/String8.h> 44 #include <utils/SystemClock.h> 45 #include <utils/Vector.h> 46 #include <cutils/properties.h> 47 48 #include <media/MediaPlayerInterface.h> 49 #include <media/mediarecorder.h> 50 #include <media/MediaMetadataRetrieverInterface.h> 51 #include <media/Metadata.h> 52 #include <media/AudioTrack.h> 53 54 #include "MediaRecorderClient.h" 55 #include "MediaPlayerService.h" 56 #include "MetadataRetrieverClient.h" 57 58 #include "MidiFile.h" 59 #include <media/PVPlayer.h> 60 #include "TestPlayerStub.h" 61 #include "StagefrightPlayer.h" 62 63 #include <OMX.h> 64 65 /* desktop Linux needs a little help with gettid() */ 66 #if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) 67 #define __KERNEL__ 68 # include <linux/unistd.h> 69 #ifdef _syscall0 70 _syscall0(pid_t,gettid) 71 #else 72 pid_t gettid() { return syscall(__NR_gettid);} 73 #endif 74 #undef __KERNEL__ 75 #endif 76 77 namespace { 78 using android::media::Metadata; 79 using android::status_t; 80 using android::OK; 81 using android::BAD_VALUE; 82 using android::NOT_ENOUGH_DATA; 83 using android::Parcel; 84 85 // Max number of entries in the filter. 86 const int kMaxFilterSize = 64; // I pulled that out of thin air. 87 88 // FIXME: Move all the metadata related function in the Metadata.cpp 89 90 91 // Unmarshall a filter from a Parcel. 92 // Filter format in a parcel: 93 // 94 // 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 95 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 96 // | number of entries (n) | 97 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 98 // | metadata type 1 | 99 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 100 // | metadata type 2 | 101 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 102 // .... 103 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 104 // | metadata type n | 105 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 106 // 107 // @param p Parcel that should start with a filter. 108 // @param[out] filter On exit contains the list of metadata type to be 109 // filtered. 110 // @param[out] status On exit contains the status code to be returned. 111 // @return true if the parcel starts with a valid filter. 112 bool unmarshallFilter(const Parcel& p, 113 Metadata::Filter *filter, 114 status_t *status) 115 { 116 int32_t val; 117 if (p.readInt32(&val) != OK) 118 { 119 LOGE("Failed to read filter's length"); 120 *status = NOT_ENOUGH_DATA; 121 return false; 122 } 123 124 if( val > kMaxFilterSize || val < 0) 125 { 126 LOGE("Invalid filter len %d", val); 127 *status = BAD_VALUE; 128 return false; 129 } 130 131 const size_t num = val; 132 133 filter->clear(); 134 filter->setCapacity(num); 135 136 size_t size = num * sizeof(Metadata::Type); 137 138 139 if (p.dataAvail() < size) 140 { 141 LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 142 *status = NOT_ENOUGH_DATA; 143 return false; 144 } 145 146 const Metadata::Type *data = 147 static_cast<const Metadata::Type*>(p.readInplace(size)); 148 149 if (NULL == data) 150 { 151 LOGE("Filter had no data"); 152 *status = BAD_VALUE; 153 return false; 154 } 155 156 // TODO: The stl impl of vector would be more efficient here 157 // because it degenerates into a memcpy on pod types. Try to 158 // replace later or use stl::set. 159 for (size_t i = 0; i < num; ++i) 160 { 161 filter->add(*data); 162 ++data; 163 } 164 *status = OK; 165 return true; 166 } 167 168 // @param filter Of metadata type. 169 // @param val To be searched. 170 // @return true if a match was found. 171 bool findMetadata(const Metadata::Filter& filter, const int32_t val) 172 { 173 // Deal with empty and ANY right away 174 if (filter.isEmpty()) return false; 175 if (filter[0] == Metadata::kAny) return true; 176 177 return filter.indexOf(val) >= 0; 178 } 179 180 } // anonymous namespace 181 182 183 namespace android { 184 185 // TODO: Temp hack until we can register players 186 typedef struct { 187 const char *extension; 188 const player_type playertype; 189 } extmap; 190 extmap FILE_EXTS [] = { 191 {".mid", SONIVOX_PLAYER}, 192 {".midi", SONIVOX_PLAYER}, 193 {".smf", SONIVOX_PLAYER}, 194 {".xmf", SONIVOX_PLAYER}, 195 {".imy", SONIVOX_PLAYER}, 196 {".rtttl", SONIVOX_PLAYER}, 197 {".rtx", SONIVOX_PLAYER}, 198 {".ota", SONIVOX_PLAYER}, 199 #ifndef NO_OPENCORE 200 {".wma", PV_PLAYER}, 201 {".wmv", PV_PLAYER}, 202 {".asf", PV_PLAYER}, 203 #endif 204 }; 205 206 // TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 207 /* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 208 /* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 209 210 void MediaPlayerService::instantiate() { 211 defaultServiceManager()->addService( 212 String16("media.player"), new MediaPlayerService()); 213 } 214 215 MediaPlayerService::MediaPlayerService() 216 { 217 LOGV("MediaPlayerService created"); 218 mNextConnId = 1; 219 } 220 221 MediaPlayerService::~MediaPlayerService() 222 { 223 LOGV("MediaPlayerService destroyed"); 224 } 225 226 sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) 227 { 228 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 229 wp<MediaRecorderClient> w = recorder; 230 Mutex::Autolock lock(mLock); 231 mMediaRecorderClients.add(w); 232 LOGV("Create new media recorder client from pid %d", pid); 233 return recorder; 234 } 235 236 void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 237 { 238 Mutex::Autolock lock(mLock); 239 mMediaRecorderClients.remove(client); 240 LOGV("Delete media recorder client"); 241 } 242 243 sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) 244 { 245 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 246 LOGV("Create new media retriever from pid %d", pid); 247 return retriever; 248 } 249 250 sp<IMediaPlayer> MediaPlayerService::create( 251 pid_t pid, const sp<IMediaPlayerClient>& client, const char* url, 252 const KeyedVector<String8, String8> *headers, int audioSessionId) 253 { 254 int32_t connId = android_atomic_inc(&mNextConnId); 255 sp<Client> c = new Client(this, pid, connId, client, audioSessionId); 256 LOGV("Create new client(%d) from pid %d, url=%s, connId=%d, audioSessionId=%d", 257 connId, pid, url, connId, audioSessionId); 258 if (NO_ERROR != c->setDataSource(url, headers)) 259 { 260 c.clear(); 261 return c; 262 } 263 wp<Client> w = c; 264 Mutex::Autolock lock(mLock); 265 mClients.add(w); 266 return c; 267 } 268 269 sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, 270 int fd, int64_t offset, int64_t length, int audioSessionId) 271 { 272 int32_t connId = android_atomic_inc(&mNextConnId); 273 sp<Client> c = new Client(this, pid, connId, client, audioSessionId); 274 LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld, audioSessionId=%d", 275 connId, pid, fd, offset, length, audioSessionId); 276 if (NO_ERROR != c->setDataSource(fd, offset, length)) { 277 c.clear(); 278 } else { 279 wp<Client> w = c; 280 Mutex::Autolock lock(mLock); 281 mClients.add(w); 282 } 283 ::close(fd); 284 return c; 285 } 286 287 sp<IOMX> MediaPlayerService::getOMX() { 288 Mutex::Autolock autoLock(mLock); 289 290 if (mOMX.get() == NULL) { 291 mOMX = new OMX; 292 } 293 294 return mOMX; 295 } 296 297 status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 298 { 299 const size_t SIZE = 256; 300 char buffer[SIZE]; 301 String8 result; 302 303 result.append(" AudioCache\n"); 304 if (mHeap != 0) { 305 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 306 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 307 result.append(buffer); 308 } 309 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 310 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 311 result.append(buffer); 312 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 313 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 314 result.append(buffer); 315 ::write(fd, result.string(), result.size()); 316 return NO_ERROR; 317 } 318 319 status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 320 { 321 const size_t SIZE = 256; 322 char buffer[SIZE]; 323 String8 result; 324 325 result.append(" AudioOutput\n"); 326 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 327 mStreamType, mLeftVolume, mRightVolume); 328 result.append(buffer); 329 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 330 mMsecsPerFrame, mLatency); 331 result.append(buffer); 332 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 333 mAuxEffectId, mSendLevel); 334 result.append(buffer); 335 336 ::write(fd, result.string(), result.size()); 337 if (mTrack != 0) { 338 mTrack->dump(fd, args); 339 } 340 return NO_ERROR; 341 } 342 343 status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 344 { 345 const size_t SIZE = 256; 346 char buffer[SIZE]; 347 String8 result; 348 result.append(" Client\n"); 349 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 350 mPid, mConnId, mStatus, mLoop?"true": "false"); 351 result.append(buffer); 352 write(fd, result.string(), result.size()); 353 if (mAudioOutput != 0) { 354 mAudioOutput->dump(fd, args); 355 } 356 write(fd, "\n", 1); 357 return NO_ERROR; 358 } 359 360 static int myTid() { 361 #ifdef HAVE_GETTID 362 return gettid(); 363 #else 364 return getpid(); 365 #endif 366 } 367 368 #if defined(__arm__) 369 extern "C" void get_malloc_leak_info(uint8_t** info, size_t* overallSize, 370 size_t* infoSize, size_t* totalMemory, size_t* backtraceSize); 371 extern "C" void free_malloc_leak_info(uint8_t* info); 372 373 // Use the String-class below instead of String8 to allocate all memory 374 // beforehand and not reenter the heap while we are examining it... 375 struct MyString8 { 376 static const size_t MAX_SIZE = 256 * 1024; 377 378 MyString8() 379 : mPtr((char *)malloc(MAX_SIZE)) { 380 *mPtr = '\0'; 381 } 382 383 ~MyString8() { 384 free(mPtr); 385 } 386 387 void append(const char *s) { 388 strcat(mPtr, s); 389 } 390 391 const char *string() const { 392 return mPtr; 393 } 394 395 size_t size() const { 396 return strlen(mPtr); 397 } 398 399 private: 400 char *mPtr; 401 402 MyString8(const MyString8 &); 403 MyString8 &operator=(const MyString8 &); 404 }; 405 406 void memStatus(int fd, const Vector<String16>& args) 407 { 408 const size_t SIZE = 256; 409 char buffer[SIZE]; 410 MyString8 result; 411 412 typedef struct { 413 size_t size; 414 size_t dups; 415 intptr_t * backtrace; 416 } AllocEntry; 417 418 uint8_t *info = NULL; 419 size_t overallSize = 0; 420 size_t infoSize = 0; 421 size_t totalMemory = 0; 422 size_t backtraceSize = 0; 423 424 get_malloc_leak_info(&info, &overallSize, &infoSize, &totalMemory, &backtraceSize); 425 if (info) { 426 uint8_t *ptr = info; 427 size_t count = overallSize / infoSize; 428 429 snprintf(buffer, SIZE, " Allocation count %i\n", count); 430 result.append(buffer); 431 snprintf(buffer, SIZE, " Total memory %i\n", totalMemory); 432 result.append(buffer); 433 434 AllocEntry * entries = new AllocEntry[count]; 435 436 for (size_t i = 0; i < count; i++) { 437 // Each entry should be size_t, size_t, intptr_t[backtraceSize] 438 AllocEntry *e = &entries[i]; 439 440 e->size = *reinterpret_cast<size_t *>(ptr); 441 ptr += sizeof(size_t); 442 443 e->dups = *reinterpret_cast<size_t *>(ptr); 444 ptr += sizeof(size_t); 445 446 e->backtrace = reinterpret_cast<intptr_t *>(ptr); 447 ptr += sizeof(intptr_t) * backtraceSize; 448 } 449 450 // Now we need to sort the entries. They come sorted by size but 451 // not by stack trace which causes problems using diff. 452 bool moved; 453 do { 454 moved = false; 455 for (size_t i = 0; i < (count - 1); i++) { 456 AllocEntry *e1 = &entries[i]; 457 AllocEntry *e2 = &entries[i+1]; 458 459 bool swap = e1->size < e2->size; 460 if (e1->size == e2->size) { 461 for(size_t j = 0; j < backtraceSize; j++) { 462 if (e1->backtrace[j] == e2->backtrace[j]) { 463 continue; 464 } 465 swap = e1->backtrace[j] < e2->backtrace[j]; 466 break; 467 } 468 } 469 if (swap) { 470 AllocEntry t = entries[i]; 471 entries[i] = entries[i+1]; 472 entries[i+1] = t; 473 moved = true; 474 } 475 } 476 } while (moved); 477 478 for (size_t i = 0; i < count; i++) { 479 AllocEntry *e = &entries[i]; 480 481 snprintf(buffer, SIZE, "size %8i, dup %4i, ", e->size, e->dups); 482 result.append(buffer); 483 for (size_t ct = 0; (ct < backtraceSize) && e->backtrace[ct]; ct++) { 484 if (ct) { 485 result.append(", "); 486 } 487 snprintf(buffer, SIZE, "0x%08x", e->backtrace[ct]); 488 result.append(buffer); 489 } 490 result.append("\n"); 491 } 492 493 delete[] entries; 494 free_malloc_leak_info(info); 495 } 496 497 write(fd, result.string(), result.size()); 498 } 499 #endif 500 501 status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 502 { 503 const size_t SIZE = 256; 504 char buffer[SIZE]; 505 String8 result; 506 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 507 snprintf(buffer, SIZE, "Permission Denial: " 508 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 509 IPCThreadState::self()->getCallingPid(), 510 IPCThreadState::self()->getCallingUid()); 511 result.append(buffer); 512 } else { 513 Mutex::Autolock lock(mLock); 514 for (int i = 0, n = mClients.size(); i < n; ++i) { 515 sp<Client> c = mClients[i].promote(); 516 if (c != 0) c->dump(fd, args); 517 } 518 if (mMediaRecorderClients.size() == 0) { 519 result.append(" No media recorder client\n\n"); 520 } else { 521 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 522 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 523 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 524 result.append(buffer); 525 write(fd, result.string(), result.size()); 526 result = "\n"; 527 c->dump(fd, args); 528 } 529 } 530 531 result.append(" Files opened and/or mapped:\n"); 532 snprintf(buffer, SIZE, "/proc/%d/maps", myTid()); 533 FILE *f = fopen(buffer, "r"); 534 if (f) { 535 while (!feof(f)) { 536 fgets(buffer, SIZE, f); 537 if (strstr(buffer, " /mnt/sdcard/") || 538 strstr(buffer, " /system/sounds/") || 539 strstr(buffer, " /data/") || 540 strstr(buffer, " /system/media/")) { 541 result.append(" "); 542 result.append(buffer); 543 } 544 } 545 fclose(f); 546 } else { 547 result.append("couldn't open "); 548 result.append(buffer); 549 result.append("\n"); 550 } 551 552 snprintf(buffer, SIZE, "/proc/%d/fd", myTid()); 553 DIR *d = opendir(buffer); 554 if (d) { 555 struct dirent *ent; 556 while((ent = readdir(d)) != NULL) { 557 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 558 snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name); 559 struct stat s; 560 if (lstat(buffer, &s) == 0) { 561 if ((s.st_mode & S_IFMT) == S_IFLNK) { 562 char linkto[256]; 563 int len = readlink(buffer, linkto, sizeof(linkto)); 564 if(len > 0) { 565 if(len > 255) { 566 linkto[252] = '.'; 567 linkto[253] = '.'; 568 linkto[254] = '.'; 569 linkto[255] = 0; 570 } else { 571 linkto[len] = 0; 572 } 573 if (strstr(linkto, "/mnt/sdcard/") == linkto || 574 strstr(linkto, "/system/sounds/") == linkto || 575 strstr(linkto, "/data/") == linkto || 576 strstr(linkto, "/system/media/") == linkto) { 577 result.append(" "); 578 result.append(buffer); 579 result.append(" -> "); 580 result.append(linkto); 581 result.append("\n"); 582 } 583 } 584 } else { 585 result.append(" unexpected type for "); 586 result.append(buffer); 587 result.append("\n"); 588 } 589 } 590 } 591 } 592 closedir(d); 593 } else { 594 result.append("couldn't open "); 595 result.append(buffer); 596 result.append("\n"); 597 } 598 599 #if defined(__arm__) 600 bool dumpMem = false; 601 for (size_t i = 0; i < args.size(); i++) { 602 if (args[i] == String16("-m")) { 603 dumpMem = true; 604 } 605 } 606 if (dumpMem) { 607 memStatus(fd, args); 608 } 609 #endif 610 } 611 write(fd, result.string(), result.size()); 612 return NO_ERROR; 613 } 614 615 void MediaPlayerService::removeClient(wp<Client> client) 616 { 617 Mutex::Autolock lock(mLock); 618 mClients.remove(client); 619 } 620 621 MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid, 622 int32_t connId, const sp<IMediaPlayerClient>& client, int audioSessionId) 623 { 624 LOGV("Client(%d) constructor", connId); 625 mPid = pid; 626 mConnId = connId; 627 mService = service; 628 mClient = client; 629 mLoop = false; 630 mStatus = NO_INIT; 631 mAudioSessionId = audioSessionId; 632 633 #if CALLBACK_ANTAGONIZER 634 LOGD("create Antagonizer"); 635 mAntagonizer = new Antagonizer(notify, this); 636 #endif 637 } 638 639 MediaPlayerService::Client::~Client() 640 { 641 LOGV("Client(%d) destructor pid = %d", mConnId, mPid); 642 mAudioOutput.clear(); 643 wp<Client> client(this); 644 disconnect(); 645 mService->removeClient(client); 646 } 647 648 void MediaPlayerService::Client::disconnect() 649 { 650 LOGV("disconnect(%d) from pid %d", mConnId, mPid); 651 // grab local reference and clear main reference to prevent future 652 // access to object 653 sp<MediaPlayerBase> p; 654 { 655 Mutex::Autolock l(mLock); 656 p = mPlayer; 657 } 658 mClient.clear(); 659 660 mPlayer.clear(); 661 662 // clear the notification to prevent callbacks to dead client 663 // and reset the player. We assume the player will serialize 664 // access to itself if necessary. 665 if (p != 0) { 666 p->setNotifyCallback(0, 0); 667 #if CALLBACK_ANTAGONIZER 668 LOGD("kill Antagonizer"); 669 mAntagonizer->kill(); 670 #endif 671 p->reset(); 672 } 673 674 IPCThreadState::self()->flushCommands(); 675 } 676 677 static player_type getDefaultPlayerType() { 678 return STAGEFRIGHT_PLAYER; 679 } 680 681 player_type getPlayerType(int fd, int64_t offset, int64_t length) 682 { 683 char buf[20]; 684 lseek(fd, offset, SEEK_SET); 685 read(fd, buf, sizeof(buf)); 686 lseek(fd, offset, SEEK_SET); 687 688 long ident = *((long*)buf); 689 690 // Ogg vorbis? 691 if (ident == 0x5367674f) // 'OggS' 692 return STAGEFRIGHT_PLAYER; 693 694 #ifndef NO_OPENCORE 695 if (ident == 0x75b22630) { 696 // The magic number for .asf files, i.e. wmv and wma content. 697 // These are not currently supported through stagefright. 698 return PV_PLAYER; 699 } 700 #endif 701 702 // Some kind of MIDI? 703 EAS_DATA_HANDLE easdata; 704 if (EAS_Init(&easdata) == EAS_SUCCESS) { 705 EAS_FILE locator; 706 locator.path = NULL; 707 locator.fd = fd; 708 locator.offset = offset; 709 locator.length = length; 710 EAS_HANDLE eashandle; 711 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 712 EAS_CloseFile(easdata, eashandle); 713 EAS_Shutdown(easdata); 714 return SONIVOX_PLAYER; 715 } 716 EAS_Shutdown(easdata); 717 } 718 719 return getDefaultPlayerType(); 720 } 721 722 player_type getPlayerType(const char* url) 723 { 724 if (TestPlayerStub::canBeUsed(url)) { 725 return TEST_PLAYER; 726 } 727 728 // use MidiFile for MIDI extensions 729 int lenURL = strlen(url); 730 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 731 int len = strlen(FILE_EXTS[i].extension); 732 int start = lenURL - len; 733 if (start > 0) { 734 if (!strncasecmp(url + start, FILE_EXTS[i].extension, len)) { 735 return FILE_EXTS[i].playertype; 736 } 737 } 738 } 739 740 if (!strncasecmp(url, "rtsp://", 7)) { 741 char value[PROPERTY_VALUE_MAX]; 742 if (property_get("media.stagefright.enable-rtsp", value, NULL) 743 && (strcmp(value, "1") && strcasecmp(value, "true"))) { 744 // For now, we're going to use PV for rtsp-based playback 745 // by default until we can clear up a few more issues. 746 return PV_PLAYER; 747 } 748 } 749 750 return getDefaultPlayerType(); 751 } 752 753 static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, 754 notify_callback_f notifyFunc) 755 { 756 sp<MediaPlayerBase> p; 757 switch (playerType) { 758 #ifndef NO_OPENCORE 759 case PV_PLAYER: 760 LOGV(" create PVPlayer"); 761 p = new PVPlayer(); 762 break; 763 #endif 764 case SONIVOX_PLAYER: 765 LOGV(" create MidiFile"); 766 p = new MidiFile(); 767 break; 768 case STAGEFRIGHT_PLAYER: 769 LOGV(" create StagefrightPlayer"); 770 p = new StagefrightPlayer; 771 break; 772 case TEST_PLAYER: 773 LOGV("Create Test Player stub"); 774 p = new TestPlayerStub(); 775 break; 776 } 777 if (p != NULL) { 778 if (p->initCheck() == NO_ERROR) { 779 p->setNotifyCallback(cookie, notifyFunc); 780 } else { 781 p.clear(); 782 } 783 } 784 if (p == NULL) { 785 LOGE("Failed to create player object"); 786 } 787 return p; 788 } 789 790 sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 791 { 792 // determine if we have the right player type 793 sp<MediaPlayerBase> p = mPlayer; 794 if ((p != NULL) && (p->playerType() != playerType)) { 795 LOGV("delete player"); 796 p.clear(); 797 } 798 if (p == NULL) { 799 p = android::createPlayer(playerType, this, notify); 800 } 801 return p; 802 } 803 804 status_t MediaPlayerService::Client::setDataSource( 805 const char *url, const KeyedVector<String8, String8> *headers) 806 { 807 LOGV("setDataSource(%s)", url); 808 if (url == NULL) 809 return UNKNOWN_ERROR; 810 811 if (strncmp(url, "content://", 10) == 0) { 812 // get a filedescriptor for the content Uri and 813 // pass it to the setDataSource(fd) method 814 815 String16 url16(url); 816 int fd = android::openContentProviderFile(url16); 817 if (fd < 0) 818 { 819 LOGE("Couldn't open fd for %s", url); 820 return UNKNOWN_ERROR; 821 } 822 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 823 close(fd); 824 return mStatus; 825 } else { 826 player_type playerType = getPlayerType(url); 827 LOGV("player type = %d", playerType); 828 829 // create the right type of player 830 sp<MediaPlayerBase> p = createPlayer(playerType); 831 if (p == NULL) return NO_INIT; 832 833 if (!p->hardwareOutput()) { 834 mAudioOutput = new AudioOutput(mAudioSessionId); 835 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 836 } 837 838 // now set data source 839 LOGV(" setDataSource"); 840 mStatus = p->setDataSource(url, headers); 841 if (mStatus == NO_ERROR) { 842 mPlayer = p; 843 } else { 844 LOGE(" error: %d", mStatus); 845 } 846 return mStatus; 847 } 848 } 849 850 status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 851 { 852 LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 853 struct stat sb; 854 int ret = fstat(fd, &sb); 855 if (ret != 0) { 856 LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 857 return UNKNOWN_ERROR; 858 } 859 860 LOGV("st_dev = %llu", sb.st_dev); 861 LOGV("st_mode = %u", sb.st_mode); 862 LOGV("st_uid = %lu", sb.st_uid); 863 LOGV("st_gid = %lu", sb.st_gid); 864 LOGV("st_size = %llu", sb.st_size); 865 866 if (offset >= sb.st_size) { 867 LOGE("offset error"); 868 ::close(fd); 869 return UNKNOWN_ERROR; 870 } 871 if (offset + length > sb.st_size) { 872 length = sb.st_size - offset; 873 LOGV("calculated length = %lld", length); 874 } 875 876 player_type playerType = getPlayerType(fd, offset, length); 877 LOGV("player type = %d", playerType); 878 879 // create the right type of player 880 sp<MediaPlayerBase> p = createPlayer(playerType); 881 if (p == NULL) return NO_INIT; 882 883 if (!p->hardwareOutput()) { 884 mAudioOutput = new AudioOutput(mAudioSessionId); 885 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 886 } 887 888 // now set data source 889 mStatus = p->setDataSource(fd, offset, length); 890 if (mStatus == NO_ERROR) mPlayer = p; 891 return mStatus; 892 } 893 894 status_t MediaPlayerService::Client::setVideoSurface(const sp<ISurface>& surface) 895 { 896 LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); 897 sp<MediaPlayerBase> p = getPlayer(); 898 if (p == 0) return UNKNOWN_ERROR; 899 return p->setVideoSurface(surface); 900 } 901 902 status_t MediaPlayerService::Client::invoke(const Parcel& request, 903 Parcel *reply) 904 { 905 sp<MediaPlayerBase> p = getPlayer(); 906 if (p == NULL) return UNKNOWN_ERROR; 907 return p->invoke(request, reply); 908 } 909 910 // This call doesn't need to access the native player. 911 status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 912 { 913 status_t status; 914 media::Metadata::Filter allow, drop; 915 916 if (unmarshallFilter(filter, &allow, &status) && 917 unmarshallFilter(filter, &drop, &status)) { 918 Mutex::Autolock lock(mLock); 919 920 mMetadataAllow = allow; 921 mMetadataDrop = drop; 922 } 923 return status; 924 } 925 926 status_t MediaPlayerService::Client::getMetadata( 927 bool update_only, bool apply_filter, Parcel *reply) 928 { 929 sp<MediaPlayerBase> player = getPlayer(); 930 if (player == 0) return UNKNOWN_ERROR; 931 932 status_t status; 933 // Placeholder for the return code, updated by the caller. 934 reply->writeInt32(-1); 935 936 media::Metadata::Filter ids; 937 938 // We don't block notifications while we fetch the data. We clear 939 // mMetadataUpdated first so we don't lose notifications happening 940 // during the rest of this call. 941 { 942 Mutex::Autolock lock(mLock); 943 if (update_only) { 944 ids = mMetadataUpdated; 945 } 946 mMetadataUpdated.clear(); 947 } 948 949 media::Metadata metadata(reply); 950 951 metadata.appendHeader(); 952 status = player->getMetadata(ids, reply); 953 954 if (status != OK) { 955 metadata.resetParcel(); 956 LOGE("getMetadata failed %d", status); 957 return status; 958 } 959 960 // FIXME: Implement filtering on the result. Not critical since 961 // filtering takes place on the update notifications already. This 962 // would be when all the metadata are fetch and a filter is set. 963 964 // Everything is fine, update the metadata length. 965 metadata.updateLength(); 966 return OK; 967 } 968 969 status_t MediaPlayerService::Client::suspend() { 970 sp<MediaPlayerBase> p = getPlayer(); 971 if (p == 0) return UNKNOWN_ERROR; 972 973 return p->suspend(); 974 } 975 976 status_t MediaPlayerService::Client::resume() { 977 sp<MediaPlayerBase> p = getPlayer(); 978 if (p == 0) return UNKNOWN_ERROR; 979 980 return p->resume(); 981 } 982 983 status_t MediaPlayerService::Client::prepareAsync() 984 { 985 LOGV("[%d] prepareAsync", mConnId); 986 sp<MediaPlayerBase> p = getPlayer(); 987 if (p == 0) return UNKNOWN_ERROR; 988 status_t ret = p->prepareAsync(); 989 #if CALLBACK_ANTAGONIZER 990 LOGD("start Antagonizer"); 991 if (ret == NO_ERROR) mAntagonizer->start(); 992 #endif 993 return ret; 994 } 995 996 status_t MediaPlayerService::Client::start() 997 { 998 LOGV("[%d] start", mConnId); 999 sp<MediaPlayerBase> p = getPlayer(); 1000 if (p == 0) return UNKNOWN_ERROR; 1001 p->setLooping(mLoop); 1002 return p->start(); 1003 } 1004 1005 status_t MediaPlayerService::Client::stop() 1006 { 1007 LOGV("[%d] stop", mConnId); 1008 sp<MediaPlayerBase> p = getPlayer(); 1009 if (p == 0) return UNKNOWN_ERROR; 1010 return p->stop(); 1011 } 1012 1013 status_t MediaPlayerService::Client::pause() 1014 { 1015 LOGV("[%d] pause", mConnId); 1016 sp<MediaPlayerBase> p = getPlayer(); 1017 if (p == 0) return UNKNOWN_ERROR; 1018 return p->pause(); 1019 } 1020 1021 status_t MediaPlayerService::Client::isPlaying(bool* state) 1022 { 1023 *state = false; 1024 sp<MediaPlayerBase> p = getPlayer(); 1025 if (p == 0) return UNKNOWN_ERROR; 1026 *state = p->isPlaying(); 1027 LOGV("[%d] isPlaying: %d", mConnId, *state); 1028 return NO_ERROR; 1029 } 1030 1031 status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 1032 { 1033 LOGV("getCurrentPosition"); 1034 sp<MediaPlayerBase> p = getPlayer(); 1035 if (p == 0) return UNKNOWN_ERROR; 1036 status_t ret = p->getCurrentPosition(msec); 1037 if (ret == NO_ERROR) { 1038 LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 1039 } else { 1040 LOGE("getCurrentPosition returned %d", ret); 1041 } 1042 return ret; 1043 } 1044 1045 status_t MediaPlayerService::Client::getDuration(int *msec) 1046 { 1047 LOGV("getDuration"); 1048 sp<MediaPlayerBase> p = getPlayer(); 1049 if (p == 0) return UNKNOWN_ERROR; 1050 status_t ret = p->getDuration(msec); 1051 if (ret == NO_ERROR) { 1052 LOGV("[%d] getDuration = %d", mConnId, *msec); 1053 } else { 1054 LOGE("getDuration returned %d", ret); 1055 } 1056 return ret; 1057 } 1058 1059 status_t MediaPlayerService::Client::seekTo(int msec) 1060 { 1061 LOGV("[%d] seekTo(%d)", mConnId, msec); 1062 sp<MediaPlayerBase> p = getPlayer(); 1063 if (p == 0) return UNKNOWN_ERROR; 1064 return p->seekTo(msec); 1065 } 1066 1067 status_t MediaPlayerService::Client::reset() 1068 { 1069 LOGV("[%d] reset", mConnId); 1070 sp<MediaPlayerBase> p = getPlayer(); 1071 if (p == 0) return UNKNOWN_ERROR; 1072 return p->reset(); 1073 } 1074 1075 status_t MediaPlayerService::Client::setAudioStreamType(int type) 1076 { 1077 LOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1078 // TODO: for hardware output, call player instead 1079 Mutex::Autolock l(mLock); 1080 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1081 return NO_ERROR; 1082 } 1083 1084 status_t MediaPlayerService::Client::setLooping(int loop) 1085 { 1086 LOGV("[%d] setLooping(%d)", mConnId, loop); 1087 mLoop = loop; 1088 sp<MediaPlayerBase> p = getPlayer(); 1089 if (p != 0) return p->setLooping(loop); 1090 return NO_ERROR; 1091 } 1092 1093 status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1094 { 1095 LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1096 // TODO: for hardware output, call player instead 1097 Mutex::Autolock l(mLock); 1098 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1099 return NO_ERROR; 1100 } 1101 1102 status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1103 { 1104 LOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1105 Mutex::Autolock l(mLock); 1106 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1107 return NO_ERROR; 1108 } 1109 1110 status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1111 { 1112 LOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1113 Mutex::Autolock l(mLock); 1114 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1115 return NO_ERROR; 1116 } 1117 1118 void MediaPlayerService::Client::notify(void* cookie, int msg, int ext1, int ext2) 1119 { 1120 Client* client = static_cast<Client*>(cookie); 1121 1122 if (MEDIA_INFO == msg && 1123 MEDIA_INFO_METADATA_UPDATE == ext1) { 1124 const media::Metadata::Type metadata_type = ext2; 1125 1126 if(client->shouldDropMetadata(metadata_type)) { 1127 return; 1128 } 1129 1130 // Update the list of metadata that have changed. getMetadata 1131 // also access mMetadataUpdated and clears it. 1132 client->addNewMetadataUpdate(metadata_type); 1133 } 1134 LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1135 client->mClient->notify(msg, ext1, ext2); 1136 } 1137 1138 1139 bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1140 { 1141 Mutex::Autolock lock(mLock); 1142 1143 if (findMetadata(mMetadataDrop, code)) { 1144 return true; 1145 } 1146 1147 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1148 return false; 1149 } else { 1150 return true; 1151 } 1152 } 1153 1154 1155 void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1156 Mutex::Autolock lock(mLock); 1157 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1158 mMetadataUpdated.add(metadata_type); 1159 } 1160 } 1161 1162 #if CALLBACK_ANTAGONIZER 1163 const int Antagonizer::interval = 10000; // 10 msecs 1164 1165 Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1166 mExit(false), mActive(false), mClient(client), mCb(cb) 1167 { 1168 createThread(callbackThread, this); 1169 } 1170 1171 void Antagonizer::kill() 1172 { 1173 Mutex::Autolock _l(mLock); 1174 mActive = false; 1175 mExit = true; 1176 mCondition.wait(mLock); 1177 } 1178 1179 int Antagonizer::callbackThread(void* user) 1180 { 1181 LOGD("Antagonizer started"); 1182 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1183 while (!p->mExit) { 1184 if (p->mActive) { 1185 LOGV("send event"); 1186 p->mCb(p->mClient, 0, 0, 0); 1187 } 1188 usleep(interval); 1189 } 1190 Mutex::Autolock _l(p->mLock); 1191 p->mCondition.signal(); 1192 LOGD("Antagonizer stopped"); 1193 return 0; 1194 } 1195 #endif 1196 1197 static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1198 1199 sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1200 { 1201 LOGV("decode(%s)", url); 1202 sp<MemoryBase> mem; 1203 sp<MediaPlayerBase> player; 1204 1205 // Protect our precious, precious DRMd ringtones by only allowing 1206 // decoding of http, but not filesystem paths or content Uris. 1207 // If the application wants to decode those, it should open a 1208 // filedescriptor for them and use that. 1209 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1210 LOGD("Can't decode %s by path, use filedescriptor instead", url); 1211 return mem; 1212 } 1213 1214 player_type playerType = getPlayerType(url); 1215 LOGV("player type = %d", playerType); 1216 1217 // create the right type of player 1218 sp<AudioCache> cache = new AudioCache(url); 1219 player = android::createPlayer(playerType, cache.get(), cache->notify); 1220 if (player == NULL) goto Exit; 1221 if (player->hardwareOutput()) goto Exit; 1222 1223 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1224 1225 // set data source 1226 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1227 1228 LOGV("prepare"); 1229 player->prepareAsync(); 1230 1231 LOGV("wait for prepare"); 1232 if (cache->wait() != NO_ERROR) goto Exit; 1233 1234 LOGV("start"); 1235 player->start(); 1236 1237 LOGV("wait for playback complete"); 1238 if (cache->wait() != NO_ERROR) goto Exit; 1239 1240 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1241 *pSampleRate = cache->sampleRate(); 1242 *pNumChannels = cache->channelCount(); 1243 *pFormat = cache->format(); 1244 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1245 1246 Exit: 1247 if (player != 0) player->reset(); 1248 return mem; 1249 } 1250 1251 sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1252 { 1253 LOGV("decode(%d, %lld, %lld)", fd, offset, length); 1254 sp<MemoryBase> mem; 1255 sp<MediaPlayerBase> player; 1256 1257 player_type playerType = getPlayerType(fd, offset, length); 1258 LOGV("player type = %d", playerType); 1259 1260 // create the right type of player 1261 sp<AudioCache> cache = new AudioCache("decode_fd"); 1262 player = android::createPlayer(playerType, cache.get(), cache->notify); 1263 if (player == NULL) goto Exit; 1264 if (player->hardwareOutput()) goto Exit; 1265 1266 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1267 1268 // set data source 1269 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1270 1271 LOGV("prepare"); 1272 player->prepareAsync(); 1273 1274 LOGV("wait for prepare"); 1275 if (cache->wait() != NO_ERROR) goto Exit; 1276 1277 LOGV("start"); 1278 player->start(); 1279 1280 LOGV("wait for playback complete"); 1281 if (cache->wait() != NO_ERROR) goto Exit; 1282 1283 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1284 *pSampleRate = cache->sampleRate(); 1285 *pNumChannels = cache->channelCount(); 1286 *pFormat = cache->format(); 1287 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1288 1289 Exit: 1290 if (player != 0) player->reset(); 1291 ::close(fd); 1292 return mem; 1293 } 1294 1295 1296 #undef LOG_TAG 1297 #define LOG_TAG "AudioSink" 1298 MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1299 : mCallback(NULL), 1300 mCallbackCookie(NULL), 1301 mSessionId(sessionId) { 1302 LOGV("AudioOutput(%d)", sessionId); 1303 mTrack = 0; 1304 mStreamType = AudioSystem::MUSIC; 1305 mLeftVolume = 1.0; 1306 mRightVolume = 1.0; 1307 mLatency = 0; 1308 mMsecsPerFrame = 0; 1309 mAuxEffectId = 0; 1310 mSendLevel = 0.0; 1311 setMinBufferCount(); 1312 } 1313 1314 MediaPlayerService::AudioOutput::~AudioOutput() 1315 { 1316 close(); 1317 } 1318 1319 void MediaPlayerService::AudioOutput::setMinBufferCount() 1320 { 1321 char value[PROPERTY_VALUE_MAX]; 1322 if (property_get("ro.kernel.qemu", value, 0)) { 1323 mIsOnEmulator = true; 1324 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1325 } 1326 } 1327 1328 bool MediaPlayerService::AudioOutput::isOnEmulator() 1329 { 1330 setMinBufferCount(); 1331 return mIsOnEmulator; 1332 } 1333 1334 int MediaPlayerService::AudioOutput::getMinBufferCount() 1335 { 1336 setMinBufferCount(); 1337 return mMinBufferCount; 1338 } 1339 1340 ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1341 { 1342 if (mTrack == 0) return NO_INIT; 1343 return mTrack->frameCount() * frameSize(); 1344 } 1345 1346 ssize_t MediaPlayerService::AudioOutput::frameCount() const 1347 { 1348 if (mTrack == 0) return NO_INIT; 1349 return mTrack->frameCount(); 1350 } 1351 1352 ssize_t MediaPlayerService::AudioOutput::channelCount() const 1353 { 1354 if (mTrack == 0) return NO_INIT; 1355 return mTrack->channelCount(); 1356 } 1357 1358 ssize_t MediaPlayerService::AudioOutput::frameSize() const 1359 { 1360 if (mTrack == 0) return NO_INIT; 1361 return mTrack->frameSize(); 1362 } 1363 1364 uint32_t MediaPlayerService::AudioOutput::latency () const 1365 { 1366 return mLatency; 1367 } 1368 1369 float MediaPlayerService::AudioOutput::msecsPerFrame() const 1370 { 1371 return mMsecsPerFrame; 1372 } 1373 1374 status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) 1375 { 1376 if (mTrack == 0) return NO_INIT; 1377 return mTrack->getPosition(position); 1378 } 1379 1380 status_t MediaPlayerService::AudioOutput::open( 1381 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1382 AudioCallback cb, void *cookie) 1383 { 1384 mCallback = cb; 1385 mCallbackCookie = cookie; 1386 1387 // Check argument "bufferCount" against the mininum buffer count 1388 if (bufferCount < mMinBufferCount) { 1389 LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1390 bufferCount = mMinBufferCount; 1391 1392 } 1393 LOGV("open(%u, %d, %d, %d, %d)", sampleRate, channelCount, format, bufferCount,mSessionId); 1394 if (mTrack) close(); 1395 int afSampleRate; 1396 int afFrameCount; 1397 int frameCount; 1398 1399 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1400 return NO_INIT; 1401 } 1402 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1403 return NO_INIT; 1404 } 1405 1406 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1407 1408 AudioTrack *t; 1409 if (mCallback != NULL) { 1410 t = new AudioTrack( 1411 mStreamType, 1412 sampleRate, 1413 format, 1414 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1415 frameCount, 1416 0 /* flags */, 1417 CallbackWrapper, 1418 this, 1419 0, 1420 mSessionId); 1421 } else { 1422 t = new AudioTrack( 1423 mStreamType, 1424 sampleRate, 1425 format, 1426 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1427 frameCount, 1428 0, 1429 NULL, 1430 NULL, 1431 0, 1432 mSessionId); 1433 } 1434 1435 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1436 LOGE("Unable to create audio track"); 1437 delete t; 1438 return NO_INIT; 1439 } 1440 1441 LOGV("setVolume"); 1442 t->setVolume(mLeftVolume, mRightVolume); 1443 1444 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1445 mLatency = t->latency(); 1446 mTrack = t; 1447 1448 t->setAuxEffectSendLevel(mSendLevel); 1449 return t->attachAuxEffect(mAuxEffectId);; 1450 } 1451 1452 void MediaPlayerService::AudioOutput::start() 1453 { 1454 LOGV("start"); 1455 if (mTrack) { 1456 mTrack->setVolume(mLeftVolume, mRightVolume); 1457 mTrack->setAuxEffectSendLevel(mSendLevel); 1458 mTrack->start(); 1459 } 1460 } 1461 1462 1463 1464 ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1465 { 1466 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1467 1468 //LOGV("write(%p, %u)", buffer, size); 1469 if (mTrack) { 1470 ssize_t ret = mTrack->write(buffer, size); 1471 return ret; 1472 } 1473 return NO_INIT; 1474 } 1475 1476 void MediaPlayerService::AudioOutput::stop() 1477 { 1478 LOGV("stop"); 1479 if (mTrack) mTrack->stop(); 1480 } 1481 1482 void MediaPlayerService::AudioOutput::flush() 1483 { 1484 LOGV("flush"); 1485 if (mTrack) mTrack->flush(); 1486 } 1487 1488 void MediaPlayerService::AudioOutput::pause() 1489 { 1490 LOGV("pause"); 1491 if (mTrack) mTrack->pause(); 1492 } 1493 1494 void MediaPlayerService::AudioOutput::close() 1495 { 1496 LOGV("close"); 1497 delete mTrack; 1498 mTrack = 0; 1499 } 1500 1501 void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1502 { 1503 LOGV("setVolume(%f, %f)", left, right); 1504 mLeftVolume = left; 1505 mRightVolume = right; 1506 if (mTrack) { 1507 mTrack->setVolume(left, right); 1508 } 1509 } 1510 1511 status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1512 { 1513 LOGV("setAuxEffectSendLevel(%f)", level); 1514 mSendLevel = level; 1515 if (mTrack) { 1516 return mTrack->setAuxEffectSendLevel(level); 1517 } 1518 return NO_ERROR; 1519 } 1520 1521 status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1522 { 1523 LOGV("attachAuxEffect(%d)", effectId); 1524 mAuxEffectId = effectId; 1525 if (mTrack) { 1526 return mTrack->attachAuxEffect(effectId); 1527 } 1528 return NO_ERROR; 1529 } 1530 1531 // static 1532 void MediaPlayerService::AudioOutput::CallbackWrapper( 1533 int event, void *cookie, void *info) { 1534 //LOGV("callbackwrapper"); 1535 if (event != AudioTrack::EVENT_MORE_DATA) { 1536 return; 1537 } 1538 1539 AudioOutput *me = (AudioOutput *)cookie; 1540 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1541 1542 size_t actualSize = (*me->mCallback)( 1543 me, buffer->raw, buffer->size, me->mCallbackCookie); 1544 1545 buffer->size = actualSize; 1546 1547 } 1548 1549 int MediaPlayerService::AudioOutput::getSessionId() 1550 { 1551 return mSessionId; 1552 } 1553 1554 #undef LOG_TAG 1555 #define LOG_TAG "AudioCache" 1556 MediaPlayerService::AudioCache::AudioCache(const char* name) : 1557 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1558 mError(NO_ERROR), mCommandComplete(false) 1559 { 1560 // create ashmem heap 1561 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1562 } 1563 1564 uint32_t MediaPlayerService::AudioCache::latency () const 1565 { 1566 return 0; 1567 } 1568 1569 float MediaPlayerService::AudioCache::msecsPerFrame() const 1570 { 1571 return mMsecsPerFrame; 1572 } 1573 1574 status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) 1575 { 1576 if (position == 0) return BAD_VALUE; 1577 *position = mSize; 1578 return NO_ERROR; 1579 } 1580 1581 //////////////////////////////////////////////////////////////////////////////// 1582 1583 struct CallbackThread : public Thread { 1584 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1585 MediaPlayerBase::AudioSink::AudioCallback cb, 1586 void *cookie); 1587 1588 protected: 1589 virtual ~CallbackThread(); 1590 1591 virtual bool threadLoop(); 1592 1593 private: 1594 wp<MediaPlayerBase::AudioSink> mSink; 1595 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1596 void *mCookie; 1597 void *mBuffer; 1598 size_t mBufferSize; 1599 1600 CallbackThread(const CallbackThread &); 1601 CallbackThread &operator=(const CallbackThread &); 1602 }; 1603 1604 CallbackThread::CallbackThread( 1605 const wp<MediaPlayerBase::AudioSink> &sink, 1606 MediaPlayerBase::AudioSink::AudioCallback cb, 1607 void *cookie) 1608 : mSink(sink), 1609 mCallback(cb), 1610 mCookie(cookie), 1611 mBuffer(NULL), 1612 mBufferSize(0) { 1613 } 1614 1615 CallbackThread::~CallbackThread() { 1616 if (mBuffer) { 1617 free(mBuffer); 1618 mBuffer = NULL; 1619 } 1620 } 1621 1622 bool CallbackThread::threadLoop() { 1623 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1624 if (sink == NULL) { 1625 return false; 1626 } 1627 1628 if (mBuffer == NULL) { 1629 mBufferSize = sink->bufferSize(); 1630 mBuffer = malloc(mBufferSize); 1631 } 1632 1633 size_t actualSize = 1634 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1635 1636 if (actualSize > 0) { 1637 sink->write(mBuffer, actualSize); 1638 } 1639 1640 return true; 1641 } 1642 1643 //////////////////////////////////////////////////////////////////////////////// 1644 1645 status_t MediaPlayerService::AudioCache::open( 1646 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1647 AudioCallback cb, void *cookie) 1648 { 1649 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1650 if (mHeap->getHeapID() < 0) { 1651 return NO_INIT; 1652 } 1653 1654 mSampleRate = sampleRate; 1655 mChannelCount = (uint16_t)channelCount; 1656 mFormat = (uint16_t)format; 1657 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1658 1659 if (cb != NULL) { 1660 mCallbackThread = new CallbackThread(this, cb, cookie); 1661 } 1662 return NO_ERROR; 1663 } 1664 1665 void MediaPlayerService::AudioCache::start() { 1666 if (mCallbackThread != NULL) { 1667 mCallbackThread->run("AudioCache callback"); 1668 } 1669 } 1670 1671 void MediaPlayerService::AudioCache::stop() { 1672 if (mCallbackThread != NULL) { 1673 mCallbackThread->requestExitAndWait(); 1674 } 1675 } 1676 1677 ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1678 { 1679 LOGV("write(%p, %u)", buffer, size); 1680 if ((buffer == 0) || (size == 0)) return size; 1681 1682 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1683 if (p == NULL) return NO_INIT; 1684 p += mSize; 1685 LOGV("memcpy(%p, %p, %u)", p, buffer, size); 1686 if (mSize + size > mHeap->getSize()) { 1687 LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1688 size = mHeap->getSize() - mSize; 1689 } 1690 memcpy(p, buffer, size); 1691 mSize += size; 1692 return size; 1693 } 1694 1695 // call with lock held 1696 status_t MediaPlayerService::AudioCache::wait() 1697 { 1698 Mutex::Autolock lock(mLock); 1699 while (!mCommandComplete) { 1700 mSignal.wait(mLock); 1701 } 1702 mCommandComplete = false; 1703 1704 if (mError == NO_ERROR) { 1705 LOGV("wait - success"); 1706 } else { 1707 LOGV("wait - error"); 1708 } 1709 return mError; 1710 } 1711 1712 void MediaPlayerService::AudioCache::notify(void* cookie, int msg, int ext1, int ext2) 1713 { 1714 LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1715 AudioCache* p = static_cast<AudioCache*>(cookie); 1716 1717 // ignore buffering messages 1718 switch (msg) 1719 { 1720 case MEDIA_ERROR: 1721 LOGE("Error %d, %d occurred", ext1, ext2); 1722 p->mError = ext1; 1723 break; 1724 case MEDIA_PREPARED: 1725 LOGV("prepared"); 1726 break; 1727 case MEDIA_PLAYBACK_COMPLETE: 1728 LOGV("playback complete"); 1729 break; 1730 default: 1731 LOGV("ignored"); 1732 return; 1733 } 1734 1735 // wake up thread 1736 Mutex::Autolock lock(p->mLock); 1737 p->mCommandComplete = true; 1738 p->mSignal.signal(); 1739 } 1740 1741 int MediaPlayerService::AudioCache::getSessionId() 1742 { 1743 return 0; 1744 } 1745 1746 } // namespace android 1747