MediaPlayerService.cpp revision 5daeb129a2c2ba3d14ccd94af283b5f561c783ea
1f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross/* 2f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** 3f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** Copyright 2008, The Android Open Source Project 4f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** 5f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** Licensed under the Apache License, Version 2.0 (the "License"); 6f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** you may not use this file except in compliance with the License. 7f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** You may obtain a copy of the License at 8f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** 9f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** http://www.apache.org/licenses/LICENSE-2.0 10f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** 11f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** Unless required by applicable law or agreed to in writing, software 12f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** distributed under the License is distributed on an "AS IS" BASIS, 13f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** See the License for the specific language governing permissions and 15f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross** limitations under the License. 16f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross*/ 17f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 18f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross// Proxy for media player implementations 19f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross 20f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross//#define LOG_NDEBUG 0 21f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross#define LOG_TAG "MediaPlayerService" 22f83d0b9af5cbe4440cc41ceaa8a7806a13c86282Colin Cross#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 72pid_t gettid() { return syscall(__NR_gettid);} 73#endif 74#undef __KERNEL__ 75#endif 76 77namespace { 78using android::media::Metadata; 79using android::status_t; 80using android::OK; 81using android::BAD_VALUE; 82using android::NOT_ENOUGH_DATA; 83using android::Parcel; 84 85// Max number of entries in the filter. 86const 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. 112bool 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. 171bool 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 183namespace android { 184 185// TODO: Temp hack until we can register players 186typedef struct { 187 const char *extension; 188 const player_type playertype; 189} extmap; 190extmap 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 210void MediaPlayerService::instantiate() { 211 defaultServiceManager()->addService( 212 String16("media.player"), new MediaPlayerService()); 213} 214 215MediaPlayerService::MediaPlayerService() 216{ 217 LOGV("MediaPlayerService created"); 218 mNextConnId = 1; 219} 220 221MediaPlayerService::~MediaPlayerService() 222{ 223 LOGV("MediaPlayerService destroyed"); 224} 225 226sp<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 236void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 237{ 238 Mutex::Autolock lock(mLock); 239 mMediaRecorderClients.remove(client); 240 LOGV("Delete media recorder client"); 241} 242 243sp<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 250sp<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 269sp<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 287sp<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 297status_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 319status_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 343status_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 360static int myTid() { 361#ifdef HAVE_GETTID 362 return gettid(); 363#else 364 return getpid(); 365#endif 366} 367 368#if defined(__arm__) 369extern "C" void get_malloc_leak_info(uint8_t** info, size_t* overallSize, 370 size_t* infoSize, size_t* totalMemory, size_t* backtraceSize); 371extern "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... 375struct 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 399private: 400 char *mPtr; 401 402 MyString8(const MyString8 &); 403 MyString8 &operator=(const MyString8 &); 404}; 405 406void 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 501status_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, " /sdcard/") || 538 strstr(buffer, " /system/sounds/") || 539 strstr(buffer, " /system/media/")) { 540 result.append(" "); 541 result.append(buffer); 542 } 543 } 544 fclose(f); 545 } else { 546 result.append("couldn't open "); 547 result.append(buffer); 548 result.append("\n"); 549 } 550 551 snprintf(buffer, SIZE, "/proc/%d/fd", myTid()); 552 DIR *d = opendir(buffer); 553 if (d) { 554 struct dirent *ent; 555 while((ent = readdir(d)) != NULL) { 556 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 557 snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name); 558 struct stat s; 559 if (lstat(buffer, &s) == 0) { 560 if ((s.st_mode & S_IFMT) == S_IFLNK) { 561 char linkto[256]; 562 int len = readlink(buffer, linkto, sizeof(linkto)); 563 if(len > 0) { 564 if(len > 255) { 565 linkto[252] = '.'; 566 linkto[253] = '.'; 567 linkto[254] = '.'; 568 linkto[255] = 0; 569 } else { 570 linkto[len] = 0; 571 } 572 if (strstr(linkto, "/sdcard/") == linkto || 573 strstr(linkto, "/system/sounds/") == linkto || 574 strstr(linkto, "/system/media/") == linkto) { 575 result.append(" "); 576 result.append(buffer); 577 result.append(" -> "); 578 result.append(linkto); 579 result.append("\n"); 580 } 581 } 582 } else { 583 result.append(" unexpected type for "); 584 result.append(buffer); 585 result.append("\n"); 586 } 587 } 588 } 589 } 590 closedir(d); 591 } else { 592 result.append("couldn't open "); 593 result.append(buffer); 594 result.append("\n"); 595 } 596 597#if defined(__arm__) 598 bool dumpMem = false; 599 for (size_t i = 0; i < args.size(); i++) { 600 if (args[i] == String16("-m")) { 601 dumpMem = true; 602 } 603 } 604 if (dumpMem) { 605 memStatus(fd, args); 606 } 607#endif 608 } 609 write(fd, result.string(), result.size()); 610 return NO_ERROR; 611} 612 613void MediaPlayerService::removeClient(wp<Client> client) 614{ 615 Mutex::Autolock lock(mLock); 616 mClients.remove(client); 617} 618 619MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid, 620 int32_t connId, const sp<IMediaPlayerClient>& client, int audioSessionId) 621{ 622 LOGV("Client(%d) constructor", connId); 623 mPid = pid; 624 mConnId = connId; 625 mService = service; 626 mClient = client; 627 mLoop = false; 628 mStatus = NO_INIT; 629 mAudioSessionId = audioSessionId; 630 631#if CALLBACK_ANTAGONIZER 632 LOGD("create Antagonizer"); 633 mAntagonizer = new Antagonizer(notify, this); 634#endif 635} 636 637MediaPlayerService::Client::~Client() 638{ 639 LOGV("Client(%d) destructor pid = %d", mConnId, mPid); 640 mAudioOutput.clear(); 641 wp<Client> client(this); 642 disconnect(); 643 mService->removeClient(client); 644} 645 646void MediaPlayerService::Client::disconnect() 647{ 648 LOGV("disconnect(%d) from pid %d", mConnId, mPid); 649 // grab local reference and clear main reference to prevent future 650 // access to object 651 sp<MediaPlayerBase> p; 652 { 653 Mutex::Autolock l(mLock); 654 p = mPlayer; 655 } 656 mClient.clear(); 657 658 mPlayer.clear(); 659 660 // clear the notification to prevent callbacks to dead client 661 // and reset the player. We assume the player will serialize 662 // access to itself if necessary. 663 if (p != 0) { 664 p->setNotifyCallback(0, 0); 665#if CALLBACK_ANTAGONIZER 666 LOGD("kill Antagonizer"); 667 mAntagonizer->kill(); 668#endif 669 p->reset(); 670 } 671 672 IPCThreadState::self()->flushCommands(); 673} 674 675static player_type getDefaultPlayerType() { 676 return STAGEFRIGHT_PLAYER; 677} 678 679player_type getPlayerType(int fd, int64_t offset, int64_t length) 680{ 681 char buf[20]; 682 lseek(fd, offset, SEEK_SET); 683 read(fd, buf, sizeof(buf)); 684 lseek(fd, offset, SEEK_SET); 685 686 long ident = *((long*)buf); 687 688 // Ogg vorbis? 689 if (ident == 0x5367674f) // 'OggS' 690 return STAGEFRIGHT_PLAYER; 691 692#ifndef NO_OPENCORE 693 if (ident == 0x75b22630) { 694 // The magic number for .asf files, i.e. wmv and wma content. 695 // These are not currently supported through stagefright. 696 return PV_PLAYER; 697 } 698#endif 699 700 // Some kind of MIDI? 701 EAS_DATA_HANDLE easdata; 702 if (EAS_Init(&easdata) == EAS_SUCCESS) { 703 EAS_FILE locator; 704 locator.path = NULL; 705 locator.fd = fd; 706 locator.offset = offset; 707 locator.length = length; 708 EAS_HANDLE eashandle; 709 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 710 EAS_CloseFile(easdata, eashandle); 711 EAS_Shutdown(easdata); 712 return SONIVOX_PLAYER; 713 } 714 EAS_Shutdown(easdata); 715 } 716 717 return getDefaultPlayerType(); 718} 719 720player_type getPlayerType(const char* url) 721{ 722 if (TestPlayerStub::canBeUsed(url)) { 723 return TEST_PLAYER; 724 } 725 726 // use MidiFile for MIDI extensions 727 int lenURL = strlen(url); 728 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 729 int len = strlen(FILE_EXTS[i].extension); 730 int start = lenURL - len; 731 if (start > 0) { 732 if (!strncasecmp(url + start, FILE_EXTS[i].extension, len)) { 733 return FILE_EXTS[i].playertype; 734 } 735 } 736 } 737 738 if (!strncasecmp(url, "rtsp://", 7)) { 739 char value[PROPERTY_VALUE_MAX]; 740 if (!property_get("media.stagefright.enable-rtsp", value, NULL) 741 || (strcmp(value, "1") && strcasecmp(value, "true"))) { 742 // For now, we're going to use PV for rtsp-based playback 743 // by default until we can clear up a few more issues. 744 return PV_PLAYER; 745 } 746 } 747 748 return getDefaultPlayerType(); 749} 750 751static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, 752 notify_callback_f notifyFunc) 753{ 754 sp<MediaPlayerBase> p; 755 switch (playerType) { 756#ifndef NO_OPENCORE 757 case PV_PLAYER: 758 LOGV(" create PVPlayer"); 759 p = new PVPlayer(); 760 break; 761#endif 762 case SONIVOX_PLAYER: 763 LOGV(" create MidiFile"); 764 p = new MidiFile(); 765 break; 766 case STAGEFRIGHT_PLAYER: 767 LOGV(" create StagefrightPlayer"); 768 p = new StagefrightPlayer; 769 break; 770 case TEST_PLAYER: 771 LOGV("Create Test Player stub"); 772 p = new TestPlayerStub(); 773 break; 774 } 775 if (p != NULL) { 776 if (p->initCheck() == NO_ERROR) { 777 p->setNotifyCallback(cookie, notifyFunc); 778 } else { 779 p.clear(); 780 } 781 } 782 if (p == NULL) { 783 LOGE("Failed to create player object"); 784 } 785 return p; 786} 787 788sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 789{ 790 // determine if we have the right player type 791 sp<MediaPlayerBase> p = mPlayer; 792 if ((p != NULL) && (p->playerType() != playerType)) { 793 LOGV("delete player"); 794 p.clear(); 795 } 796 if (p == NULL) { 797 p = android::createPlayer(playerType, this, notify); 798 } 799 return p; 800} 801 802status_t MediaPlayerService::Client::setDataSource( 803 const char *url, const KeyedVector<String8, String8> *headers) 804{ 805 LOGV("setDataSource(%s)", url); 806 if (url == NULL) 807 return UNKNOWN_ERROR; 808 809 if (strncmp(url, "content://", 10) == 0) { 810 // get a filedescriptor for the content Uri and 811 // pass it to the setDataSource(fd) method 812 813 String16 url16(url); 814 int fd = android::openContentProviderFile(url16); 815 if (fd < 0) 816 { 817 LOGE("Couldn't open fd for %s", url); 818 return UNKNOWN_ERROR; 819 } 820 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 821 close(fd); 822 return mStatus; 823 } else { 824 player_type playerType = getPlayerType(url); 825 LOGV("player type = %d", playerType); 826 827 // create the right type of player 828 sp<MediaPlayerBase> p = createPlayer(playerType); 829 if (p == NULL) return NO_INIT; 830 831 if (!p->hardwareOutput()) { 832 mAudioOutput = new AudioOutput(mAudioSessionId); 833 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 834 } 835 836 // now set data source 837 LOGV(" setDataSource"); 838 mStatus = p->setDataSource(url, headers); 839 if (mStatus == NO_ERROR) { 840 mPlayer = p; 841 } else { 842 LOGE(" error: %d", mStatus); 843 } 844 return mStatus; 845 } 846} 847 848status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 849{ 850 LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 851 struct stat sb; 852 int ret = fstat(fd, &sb); 853 if (ret != 0) { 854 LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 855 return UNKNOWN_ERROR; 856 } 857 858 LOGV("st_dev = %llu", sb.st_dev); 859 LOGV("st_mode = %u", sb.st_mode); 860 LOGV("st_uid = %lu", sb.st_uid); 861 LOGV("st_gid = %lu", sb.st_gid); 862 LOGV("st_size = %llu", sb.st_size); 863 864 if (offset >= sb.st_size) { 865 LOGE("offset error"); 866 ::close(fd); 867 return UNKNOWN_ERROR; 868 } 869 if (offset + length > sb.st_size) { 870 length = sb.st_size - offset; 871 LOGV("calculated length = %lld", length); 872 } 873 874 player_type playerType = getPlayerType(fd, offset, length); 875 LOGV("player type = %d", playerType); 876 877 // create the right type of player 878 sp<MediaPlayerBase> p = createPlayer(playerType); 879 if (p == NULL) return NO_INIT; 880 881 if (!p->hardwareOutput()) { 882 mAudioOutput = new AudioOutput(mAudioSessionId); 883 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 884 } 885 886 // now set data source 887 mStatus = p->setDataSource(fd, offset, length); 888 if (mStatus == NO_ERROR) mPlayer = p; 889 return mStatus; 890} 891 892status_t MediaPlayerService::Client::setVideoISurface(const sp<ISurface>& surface) 893{ 894 LOGV("[%d] setVideoISurface(%p)", mConnId, surface.get()); 895 sp<MediaPlayerBase> p = getPlayer(); 896 if (p == 0) return UNKNOWN_ERROR; 897 return p->setVideoISurface(surface); 898} 899 900status_t MediaPlayerService::Client::setVideoSurface(const sp<Surface>& surface) 901{ 902 LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); 903 sp<MediaPlayerBase> p = getPlayer(); 904 if (p == 0) return UNKNOWN_ERROR; 905 return p->setVideoSurface(surface); 906} 907 908status_t MediaPlayerService::Client::invoke(const Parcel& request, 909 Parcel *reply) 910{ 911 sp<MediaPlayerBase> p = getPlayer(); 912 if (p == NULL) return UNKNOWN_ERROR; 913 return p->invoke(request, reply); 914} 915 916// This call doesn't need to access the native player. 917status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 918{ 919 status_t status; 920 media::Metadata::Filter allow, drop; 921 922 if (unmarshallFilter(filter, &allow, &status) && 923 unmarshallFilter(filter, &drop, &status)) { 924 Mutex::Autolock lock(mLock); 925 926 mMetadataAllow = allow; 927 mMetadataDrop = drop; 928 } 929 return status; 930} 931 932status_t MediaPlayerService::Client::getMetadata( 933 bool update_only, bool apply_filter, Parcel *reply) 934{ 935 sp<MediaPlayerBase> player = getPlayer(); 936 if (player == 0) return UNKNOWN_ERROR; 937 938 status_t status; 939 // Placeholder for the return code, updated by the caller. 940 reply->writeInt32(-1); 941 942 media::Metadata::Filter ids; 943 944 // We don't block notifications while we fetch the data. We clear 945 // mMetadataUpdated first so we don't lose notifications happening 946 // during the rest of this call. 947 { 948 Mutex::Autolock lock(mLock); 949 if (update_only) { 950 ids = mMetadataUpdated; 951 } 952 mMetadataUpdated.clear(); 953 } 954 955 media::Metadata metadata(reply); 956 957 metadata.appendHeader(); 958 status = player->getMetadata(ids, reply); 959 960 if (status != OK) { 961 metadata.resetParcel(); 962 LOGE("getMetadata failed %d", status); 963 return status; 964 } 965 966 // FIXME: Implement filtering on the result. Not critical since 967 // filtering takes place on the update notifications already. This 968 // would be when all the metadata are fetch and a filter is set. 969 970 // Everything is fine, update the metadata length. 971 metadata.updateLength(); 972 return OK; 973} 974 975status_t MediaPlayerService::Client::suspend() { 976 sp<MediaPlayerBase> p = getPlayer(); 977 if (p == 0) return UNKNOWN_ERROR; 978 979 return p->suspend(); 980} 981 982status_t MediaPlayerService::Client::resume() { 983 sp<MediaPlayerBase> p = getPlayer(); 984 if (p == 0) return UNKNOWN_ERROR; 985 986 return p->resume(); 987} 988 989status_t MediaPlayerService::Client::prepareAsync() 990{ 991 LOGV("[%d] prepareAsync", mConnId); 992 sp<MediaPlayerBase> p = getPlayer(); 993 if (p == 0) return UNKNOWN_ERROR; 994 status_t ret = p->prepareAsync(); 995#if CALLBACK_ANTAGONIZER 996 LOGD("start Antagonizer"); 997 if (ret == NO_ERROR) mAntagonizer->start(); 998#endif 999 return ret; 1000} 1001 1002status_t MediaPlayerService::Client::start() 1003{ 1004 LOGV("[%d] start", mConnId); 1005 sp<MediaPlayerBase> p = getPlayer(); 1006 if (p == 0) return UNKNOWN_ERROR; 1007 p->setLooping(mLoop); 1008 return p->start(); 1009} 1010 1011status_t MediaPlayerService::Client::stop() 1012{ 1013 LOGV("[%d] stop", mConnId); 1014 sp<MediaPlayerBase> p = getPlayer(); 1015 if (p == 0) return UNKNOWN_ERROR; 1016 return p->stop(); 1017} 1018 1019status_t MediaPlayerService::Client::pause() 1020{ 1021 LOGV("[%d] pause", mConnId); 1022 sp<MediaPlayerBase> p = getPlayer(); 1023 if (p == 0) return UNKNOWN_ERROR; 1024 return p->pause(); 1025} 1026 1027status_t MediaPlayerService::Client::isPlaying(bool* state) 1028{ 1029 *state = false; 1030 sp<MediaPlayerBase> p = getPlayer(); 1031 if (p == 0) return UNKNOWN_ERROR; 1032 *state = p->isPlaying(); 1033 LOGV("[%d] isPlaying: %d", mConnId, *state); 1034 return NO_ERROR; 1035} 1036 1037status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 1038{ 1039 LOGV("getCurrentPosition"); 1040 sp<MediaPlayerBase> p = getPlayer(); 1041 if (p == 0) return UNKNOWN_ERROR; 1042 status_t ret = p->getCurrentPosition(msec); 1043 if (ret == NO_ERROR) { 1044 LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 1045 } else { 1046 LOGE("getCurrentPosition returned %d", ret); 1047 } 1048 return ret; 1049} 1050 1051status_t MediaPlayerService::Client::getDuration(int *msec) 1052{ 1053 LOGV("getDuration"); 1054 sp<MediaPlayerBase> p = getPlayer(); 1055 if (p == 0) return UNKNOWN_ERROR; 1056 status_t ret = p->getDuration(msec); 1057 if (ret == NO_ERROR) { 1058 LOGV("[%d] getDuration = %d", mConnId, *msec); 1059 } else { 1060 LOGE("getDuration returned %d", ret); 1061 } 1062 return ret; 1063} 1064 1065status_t MediaPlayerService::Client::seekTo(int msec) 1066{ 1067 LOGV("[%d] seekTo(%d)", mConnId, msec); 1068 sp<MediaPlayerBase> p = getPlayer(); 1069 if (p == 0) return UNKNOWN_ERROR; 1070 return p->seekTo(msec); 1071} 1072 1073status_t MediaPlayerService::Client::reset() 1074{ 1075 LOGV("[%d] reset", mConnId); 1076 sp<MediaPlayerBase> p = getPlayer(); 1077 if (p == 0) return UNKNOWN_ERROR; 1078 return p->reset(); 1079} 1080 1081status_t MediaPlayerService::Client::setAudioStreamType(int type) 1082{ 1083 LOGV("[%d] setAudioStreamType(%d)", mConnId, type); 1084 // TODO: for hardware output, call player instead 1085 Mutex::Autolock l(mLock); 1086 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 1087 return NO_ERROR; 1088} 1089 1090status_t MediaPlayerService::Client::setLooping(int loop) 1091{ 1092 LOGV("[%d] setLooping(%d)", mConnId, loop); 1093 mLoop = loop; 1094 sp<MediaPlayerBase> p = getPlayer(); 1095 if (p != 0) return p->setLooping(loop); 1096 return NO_ERROR; 1097} 1098 1099status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 1100{ 1101 LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 1102 // TODO: for hardware output, call player instead 1103 Mutex::Autolock l(mLock); 1104 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 1105 return NO_ERROR; 1106} 1107 1108status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 1109{ 1110 LOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 1111 Mutex::Autolock l(mLock); 1112 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 1113 return NO_ERROR; 1114} 1115 1116status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 1117{ 1118 LOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1119 Mutex::Autolock l(mLock); 1120 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1121 return NO_ERROR; 1122} 1123 1124void MediaPlayerService::Client::notify(void* cookie, int msg, int ext1, int ext2) 1125{ 1126 Client* client = static_cast<Client*>(cookie); 1127 1128 if (MEDIA_INFO == msg && 1129 MEDIA_INFO_METADATA_UPDATE == ext1) { 1130 const media::Metadata::Type metadata_type = ext2; 1131 1132 if(client->shouldDropMetadata(metadata_type)) { 1133 return; 1134 } 1135 1136 // Update the list of metadata that have changed. getMetadata 1137 // also access mMetadataUpdated and clears it. 1138 client->addNewMetadataUpdate(metadata_type); 1139 } 1140 LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1141 client->mClient->notify(msg, ext1, ext2); 1142} 1143 1144 1145bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1146{ 1147 Mutex::Autolock lock(mLock); 1148 1149 if (findMetadata(mMetadataDrop, code)) { 1150 return true; 1151 } 1152 1153 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1154 return false; 1155 } else { 1156 return true; 1157 } 1158} 1159 1160 1161void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1162 Mutex::Autolock lock(mLock); 1163 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1164 mMetadataUpdated.add(metadata_type); 1165 } 1166} 1167 1168#if CALLBACK_ANTAGONIZER 1169const int Antagonizer::interval = 10000; // 10 msecs 1170 1171Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1172 mExit(false), mActive(false), mClient(client), mCb(cb) 1173{ 1174 createThread(callbackThread, this); 1175} 1176 1177void Antagonizer::kill() 1178{ 1179 Mutex::Autolock _l(mLock); 1180 mActive = false; 1181 mExit = true; 1182 mCondition.wait(mLock); 1183} 1184 1185int Antagonizer::callbackThread(void* user) 1186{ 1187 LOGD("Antagonizer started"); 1188 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1189 while (!p->mExit) { 1190 if (p->mActive) { 1191 LOGV("send event"); 1192 p->mCb(p->mClient, 0, 0, 0); 1193 } 1194 usleep(interval); 1195 } 1196 Mutex::Autolock _l(p->mLock); 1197 p->mCondition.signal(); 1198 LOGD("Antagonizer stopped"); 1199 return 0; 1200} 1201#endif 1202 1203static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1204 1205sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1206{ 1207 LOGV("decode(%s)", url); 1208 sp<MemoryBase> mem; 1209 sp<MediaPlayerBase> player; 1210 1211 // Protect our precious, precious DRMd ringtones by only allowing 1212 // decoding of http, but not filesystem paths or content Uris. 1213 // If the application wants to decode those, it should open a 1214 // filedescriptor for them and use that. 1215 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1216 LOGD("Can't decode %s by path, use filedescriptor instead", url); 1217 return mem; 1218 } 1219 1220 player_type playerType = getPlayerType(url); 1221 LOGV("player type = %d", playerType); 1222 1223 // create the right type of player 1224 sp<AudioCache> cache = new AudioCache(url); 1225 player = android::createPlayer(playerType, cache.get(), cache->notify); 1226 if (player == NULL) goto Exit; 1227 if (player->hardwareOutput()) goto Exit; 1228 1229 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1230 1231 // set data source 1232 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1233 1234 LOGV("prepare"); 1235 player->prepareAsync(); 1236 1237 LOGV("wait for prepare"); 1238 if (cache->wait() != NO_ERROR) goto Exit; 1239 1240 LOGV("start"); 1241 player->start(); 1242 1243 LOGV("wait for playback complete"); 1244 if (cache->wait() != NO_ERROR) goto Exit; 1245 1246 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1247 *pSampleRate = cache->sampleRate(); 1248 *pNumChannels = cache->channelCount(); 1249 *pFormat = cache->format(); 1250 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1251 1252Exit: 1253 if (player != 0) player->reset(); 1254 return mem; 1255} 1256 1257sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1258{ 1259 LOGV("decode(%d, %lld, %lld)", fd, offset, length); 1260 sp<MemoryBase> mem; 1261 sp<MediaPlayerBase> player; 1262 1263 player_type playerType = getPlayerType(fd, offset, length); 1264 LOGV("player type = %d", playerType); 1265 1266 // create the right type of player 1267 sp<AudioCache> cache = new AudioCache("decode_fd"); 1268 player = android::createPlayer(playerType, cache.get(), cache->notify); 1269 if (player == NULL) goto Exit; 1270 if (player->hardwareOutput()) goto Exit; 1271 1272 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1273 1274 // set data source 1275 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1276 1277 LOGV("prepare"); 1278 player->prepareAsync(); 1279 1280 LOGV("wait for prepare"); 1281 if (cache->wait() != NO_ERROR) goto Exit; 1282 1283 LOGV("start"); 1284 player->start(); 1285 1286 LOGV("wait for playback complete"); 1287 if (cache->wait() != NO_ERROR) goto Exit; 1288 1289 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1290 *pSampleRate = cache->sampleRate(); 1291 *pNumChannels = cache->channelCount(); 1292 *pFormat = cache->format(); 1293 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1294 1295Exit: 1296 if (player != 0) player->reset(); 1297 ::close(fd); 1298 return mem; 1299} 1300 1301 1302#undef LOG_TAG 1303#define LOG_TAG "AudioSink" 1304MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1305 : mCallback(NULL), 1306 mCallbackCookie(NULL), 1307 mSessionId(sessionId) { 1308 LOGV("AudioOutput(%d)", sessionId); 1309 mTrack = 0; 1310 mStreamType = AudioSystem::MUSIC; 1311 mLeftVolume = 1.0; 1312 mRightVolume = 1.0; 1313 mLatency = 0; 1314 mMsecsPerFrame = 0; 1315 mAuxEffectId = 0; 1316 mSendLevel = 0.0; 1317 setMinBufferCount(); 1318} 1319 1320MediaPlayerService::AudioOutput::~AudioOutput() 1321{ 1322 close(); 1323} 1324 1325void MediaPlayerService::AudioOutput::setMinBufferCount() 1326{ 1327 char value[PROPERTY_VALUE_MAX]; 1328 if (property_get("ro.kernel.qemu", value, 0)) { 1329 mIsOnEmulator = true; 1330 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1331 } 1332} 1333 1334bool MediaPlayerService::AudioOutput::isOnEmulator() 1335{ 1336 setMinBufferCount(); 1337 return mIsOnEmulator; 1338} 1339 1340int MediaPlayerService::AudioOutput::getMinBufferCount() 1341{ 1342 setMinBufferCount(); 1343 return mMinBufferCount; 1344} 1345 1346ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1347{ 1348 if (mTrack == 0) return NO_INIT; 1349 return mTrack->frameCount() * frameSize(); 1350} 1351 1352ssize_t MediaPlayerService::AudioOutput::frameCount() const 1353{ 1354 if (mTrack == 0) return NO_INIT; 1355 return mTrack->frameCount(); 1356} 1357 1358ssize_t MediaPlayerService::AudioOutput::channelCount() const 1359{ 1360 if (mTrack == 0) return NO_INIT; 1361 return mTrack->channelCount(); 1362} 1363 1364ssize_t MediaPlayerService::AudioOutput::frameSize() const 1365{ 1366 if (mTrack == 0) return NO_INIT; 1367 return mTrack->frameSize(); 1368} 1369 1370uint32_t MediaPlayerService::AudioOutput::latency () const 1371{ 1372 return mLatency; 1373} 1374 1375float MediaPlayerService::AudioOutput::msecsPerFrame() const 1376{ 1377 return mMsecsPerFrame; 1378} 1379 1380status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) 1381{ 1382 if (mTrack == 0) return NO_INIT; 1383 return mTrack->getPosition(position); 1384} 1385 1386status_t MediaPlayerService::AudioOutput::open( 1387 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1388 AudioCallback cb, void *cookie) 1389{ 1390 mCallback = cb; 1391 mCallbackCookie = cookie; 1392 1393 // Check argument "bufferCount" against the mininum buffer count 1394 if (bufferCount < mMinBufferCount) { 1395 LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1396 bufferCount = mMinBufferCount; 1397 1398 } 1399 LOGV("open(%u, %d, %d, %d, %d)", sampleRate, channelCount, format, bufferCount,mSessionId); 1400 if (mTrack) close(); 1401 int afSampleRate; 1402 int afFrameCount; 1403 int frameCount; 1404 1405 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1406 return NO_INIT; 1407 } 1408 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1409 return NO_INIT; 1410 } 1411 1412 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1413 1414 AudioTrack *t; 1415 if (mCallback != NULL) { 1416 t = new AudioTrack( 1417 mStreamType, 1418 sampleRate, 1419 format, 1420 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1421 frameCount, 1422 0 /* flags */, 1423 CallbackWrapper, 1424 this, 1425 0, 1426 mSessionId); 1427 } else { 1428 t = new AudioTrack( 1429 mStreamType, 1430 sampleRate, 1431 format, 1432 (channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO, 1433 frameCount, 1434 0, 1435 NULL, 1436 NULL, 1437 0, 1438 mSessionId); 1439 } 1440 1441 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1442 LOGE("Unable to create audio track"); 1443 delete t; 1444 return NO_INIT; 1445 } 1446 1447 LOGV("setVolume"); 1448 t->setVolume(mLeftVolume, mRightVolume); 1449 1450 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1451 mLatency = t->latency(); 1452 mTrack = t; 1453 1454 t->setAuxEffectSendLevel(mSendLevel); 1455 return t->attachAuxEffect(mAuxEffectId);; 1456} 1457 1458void MediaPlayerService::AudioOutput::start() 1459{ 1460 LOGV("start"); 1461 if (mTrack) { 1462 mTrack->setVolume(mLeftVolume, mRightVolume); 1463 mTrack->setAuxEffectSendLevel(mSendLevel); 1464 mTrack->start(); 1465 } 1466} 1467 1468 1469 1470ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1471{ 1472 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1473 1474 //LOGV("write(%p, %u)", buffer, size); 1475 if (mTrack) { 1476 ssize_t ret = mTrack->write(buffer, size); 1477 return ret; 1478 } 1479 return NO_INIT; 1480} 1481 1482void MediaPlayerService::AudioOutput::stop() 1483{ 1484 LOGV("stop"); 1485 if (mTrack) mTrack->stop(); 1486} 1487 1488void MediaPlayerService::AudioOutput::flush() 1489{ 1490 LOGV("flush"); 1491 if (mTrack) mTrack->flush(); 1492} 1493 1494void MediaPlayerService::AudioOutput::pause() 1495{ 1496 LOGV("pause"); 1497 if (mTrack) mTrack->pause(); 1498} 1499 1500void MediaPlayerService::AudioOutput::close() 1501{ 1502 LOGV("close"); 1503 delete mTrack; 1504 mTrack = 0; 1505} 1506 1507void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1508{ 1509 LOGV("setVolume(%f, %f)", left, right); 1510 mLeftVolume = left; 1511 mRightVolume = right; 1512 if (mTrack) { 1513 mTrack->setVolume(left, right); 1514 } 1515} 1516 1517status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1518{ 1519 LOGV("setAuxEffectSendLevel(%f)", level); 1520 mSendLevel = level; 1521 if (mTrack) { 1522 return mTrack->setAuxEffectSendLevel(level); 1523 } 1524 return NO_ERROR; 1525} 1526 1527status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1528{ 1529 LOGV("attachAuxEffect(%d)", effectId); 1530 mAuxEffectId = effectId; 1531 if (mTrack) { 1532 return mTrack->attachAuxEffect(effectId); 1533 } 1534 return NO_ERROR; 1535} 1536 1537// static 1538void MediaPlayerService::AudioOutput::CallbackWrapper( 1539 int event, void *cookie, void *info) { 1540 //LOGV("callbackwrapper"); 1541 if (event != AudioTrack::EVENT_MORE_DATA) { 1542 return; 1543 } 1544 1545 AudioOutput *me = (AudioOutput *)cookie; 1546 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1547 1548 size_t actualSize = (*me->mCallback)( 1549 me, buffer->raw, buffer->size, me->mCallbackCookie); 1550 1551 buffer->size = actualSize; 1552 1553} 1554 1555#undef LOG_TAG 1556#define LOG_TAG "AudioCache" 1557MediaPlayerService::AudioCache::AudioCache(const char* name) : 1558 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1559 mError(NO_ERROR), mCommandComplete(false) 1560{ 1561 // create ashmem heap 1562 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1563} 1564 1565uint32_t MediaPlayerService::AudioCache::latency () const 1566{ 1567 return 0; 1568} 1569 1570float MediaPlayerService::AudioCache::msecsPerFrame() const 1571{ 1572 return mMsecsPerFrame; 1573} 1574 1575status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) 1576{ 1577 if (position == 0) return BAD_VALUE; 1578 *position = mSize; 1579 return NO_ERROR; 1580} 1581 1582//////////////////////////////////////////////////////////////////////////////// 1583 1584struct CallbackThread : public Thread { 1585 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1586 MediaPlayerBase::AudioSink::AudioCallback cb, 1587 void *cookie); 1588 1589protected: 1590 virtual ~CallbackThread(); 1591 1592 virtual bool threadLoop(); 1593 1594private: 1595 wp<MediaPlayerBase::AudioSink> mSink; 1596 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1597 void *mCookie; 1598 void *mBuffer; 1599 size_t mBufferSize; 1600 1601 CallbackThread(const CallbackThread &); 1602 CallbackThread &operator=(const CallbackThread &); 1603}; 1604 1605CallbackThread::CallbackThread( 1606 const wp<MediaPlayerBase::AudioSink> &sink, 1607 MediaPlayerBase::AudioSink::AudioCallback cb, 1608 void *cookie) 1609 : mSink(sink), 1610 mCallback(cb), 1611 mCookie(cookie), 1612 mBuffer(NULL), 1613 mBufferSize(0) { 1614} 1615 1616CallbackThread::~CallbackThread() { 1617 if (mBuffer) { 1618 free(mBuffer); 1619 mBuffer = NULL; 1620 } 1621} 1622 1623bool CallbackThread::threadLoop() { 1624 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1625 if (sink == NULL) { 1626 return false; 1627 } 1628 1629 if (mBuffer == NULL) { 1630 mBufferSize = sink->bufferSize(); 1631 mBuffer = malloc(mBufferSize); 1632 } 1633 1634 size_t actualSize = 1635 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1636 1637 if (actualSize > 0) { 1638 sink->write(mBuffer, actualSize); 1639 } 1640 1641 return true; 1642} 1643 1644//////////////////////////////////////////////////////////////////////////////// 1645 1646status_t MediaPlayerService::AudioCache::open( 1647 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1648 AudioCallback cb, void *cookie) 1649{ 1650 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1651 if (mHeap->getHeapID() < 0) { 1652 return NO_INIT; 1653 } 1654 1655 mSampleRate = sampleRate; 1656 mChannelCount = (uint16_t)channelCount; 1657 mFormat = (uint16_t)format; 1658 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1659 1660 if (cb != NULL) { 1661 mCallbackThread = new CallbackThread(this, cb, cookie); 1662 } 1663 return NO_ERROR; 1664} 1665 1666void MediaPlayerService::AudioCache::start() { 1667 if (mCallbackThread != NULL) { 1668 mCallbackThread->run("AudioCache callback"); 1669 } 1670} 1671 1672void MediaPlayerService::AudioCache::stop() { 1673 if (mCallbackThread != NULL) { 1674 mCallbackThread->requestExitAndWait(); 1675 } 1676} 1677 1678ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1679{ 1680 LOGV("write(%p, %u)", buffer, size); 1681 if ((buffer == 0) || (size == 0)) return size; 1682 1683 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1684 if (p == NULL) return NO_INIT; 1685 p += mSize; 1686 LOGV("memcpy(%p, %p, %u)", p, buffer, size); 1687 if (mSize + size > mHeap->getSize()) { 1688 LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1689 size = mHeap->getSize() - mSize; 1690 } 1691 memcpy(p, buffer, size); 1692 mSize += size; 1693 return size; 1694} 1695 1696// call with lock held 1697status_t MediaPlayerService::AudioCache::wait() 1698{ 1699 Mutex::Autolock lock(mLock); 1700 while (!mCommandComplete) { 1701 mSignal.wait(mLock); 1702 } 1703 mCommandComplete = false; 1704 1705 if (mError == NO_ERROR) { 1706 LOGV("wait - success"); 1707 } else { 1708 LOGV("wait - error"); 1709 } 1710 return mError; 1711} 1712 1713void MediaPlayerService::AudioCache::notify(void* cookie, int msg, int ext1, int ext2) 1714{ 1715 LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1716 AudioCache* p = static_cast<AudioCache*>(cookie); 1717 1718 // ignore buffering messages 1719 switch (msg) 1720 { 1721 case MEDIA_ERROR: 1722 LOGE("Error %d, %d occurred", ext1, ext2); 1723 p->mError = ext1; 1724 break; 1725 case MEDIA_PREPARED: 1726 LOGV("prepared"); 1727 break; 1728 case MEDIA_PLAYBACK_COMPLETE: 1729 LOGV("playback complete"); 1730 break; 1731 default: 1732 LOGV("ignored"); 1733 return; 1734 } 1735 1736 // wake up thread 1737 Mutex::Autolock lock(p->mLock); 1738 p->mCommandComplete = true; 1739 p->mSignal.signal(); 1740} 1741 1742} // namespace android 1743