MediaPlayerService.cpp revision 1a2952aee048ca7b1765e2bc09ebe9aeddaeafa3
1/* 2** 3** Copyright 2008, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18// Proxy for media player implementations 19 20//#define LOG_NDEBUG 0 21#define LOG_TAG "MediaPlayerService" 22#include <utils/Log.h> 23 24#include <sys/types.h> 25#include <sys/stat.h> 26#include <sys/time.h> 27#include <dirent.h> 28#include <unistd.h> 29 30#include <string.h> 31 32#include <cutils/atomic.h> 33#include <cutils/properties.h> // for property_get 34 35#include <utils/misc.h> 36 37#include <binder/IPCThreadState.h> 38#include <binder/IServiceManager.h> 39#include <binder/MemoryHeapBase.h> 40#include <binder/MemoryBase.h> 41#include <gui/Surface.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 47#include <media/IRemoteDisplay.h> 48#include <media/IRemoteDisplayClient.h> 49#include <media/MediaPlayerInterface.h> 50#include <media/mediarecorder.h> 51#include <media/MediaMetadataRetrieverInterface.h> 52#include <media/Metadata.h> 53#include <media/AudioTrack.h> 54#include <media/MemoryLeakTrackUtil.h> 55#include <media/stagefright/MediaErrors.h> 56 57#include <system/audio.h> 58 59#include <private/android_filesystem_config.h> 60 61#include "ActivityManager.h" 62#include "MediaRecorderClient.h" 63#include "MediaPlayerService.h" 64#include "MetadataRetrieverClient.h" 65#include "MediaPlayerFactory.h" 66 67#include "MidiFile.h" 68#include "TestPlayerStub.h" 69#include "StagefrightPlayer.h" 70#include "nuplayer/NuPlayerDriver.h" 71 72#include <OMX.h> 73 74#include "Crypto.h" 75#include "HDCP.h" 76#include "RemoteDisplay.h" 77 78namespace { 79using android::media::Metadata; 80using android::status_t; 81using android::OK; 82using android::BAD_VALUE; 83using android::NOT_ENOUGH_DATA; 84using android::Parcel; 85 86// Max number of entries in the filter. 87const int kMaxFilterSize = 64; // I pulled that out of thin air. 88 89// FIXME: Move all the metadata related function in the Metadata.cpp 90 91 92// Unmarshall a filter from a Parcel. 93// Filter format in a parcel: 94// 95// 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 96// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 97// | number of entries (n) | 98// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 99// | metadata type 1 | 100// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 101// | metadata type 2 | 102// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 103// .... 104// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 105// | metadata type n | 106// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107// 108// @param p Parcel that should start with a filter. 109// @param[out] filter On exit contains the list of metadata type to be 110// filtered. 111// @param[out] status On exit contains the status code to be returned. 112// @return true if the parcel starts with a valid filter. 113bool unmarshallFilter(const Parcel& p, 114 Metadata::Filter *filter, 115 status_t *status) 116{ 117 int32_t val; 118 if (p.readInt32(&val) != OK) 119 { 120 ALOGE("Failed to read filter's length"); 121 *status = NOT_ENOUGH_DATA; 122 return false; 123 } 124 125 if( val > kMaxFilterSize || val < 0) 126 { 127 ALOGE("Invalid filter len %d", val); 128 *status = BAD_VALUE; 129 return false; 130 } 131 132 const size_t num = val; 133 134 filter->clear(); 135 filter->setCapacity(num); 136 137 size_t size = num * sizeof(Metadata::Type); 138 139 140 if (p.dataAvail() < size) 141 { 142 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 143 *status = NOT_ENOUGH_DATA; 144 return false; 145 } 146 147 const Metadata::Type *data = 148 static_cast<const Metadata::Type*>(p.readInplace(size)); 149 150 if (NULL == data) 151 { 152 ALOGE("Filter had no data"); 153 *status = BAD_VALUE; 154 return false; 155 } 156 157 // TODO: The stl impl of vector would be more efficient here 158 // because it degenerates into a memcpy on pod types. Try to 159 // replace later or use stl::set. 160 for (size_t i = 0; i < num; ++i) 161 { 162 filter->add(*data); 163 ++data; 164 } 165 *status = OK; 166 return true; 167} 168 169// @param filter Of metadata type. 170// @param val To be searched. 171// @return true if a match was found. 172bool findMetadata(const Metadata::Filter& filter, const int32_t val) 173{ 174 // Deal with empty and ANY right away 175 if (filter.isEmpty()) return false; 176 if (filter[0] == Metadata::kAny) return true; 177 178 return filter.indexOf(val) >= 0; 179} 180 181} // anonymous namespace 182 183 184namespace android { 185 186static bool checkPermission(const char* permissionString) { 187#ifndef HAVE_ANDROID_OS 188 return true; 189#endif 190 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 191 bool ok = checkCallingPermission(String16(permissionString)); 192 if (!ok) ALOGE("Request requires %s", permissionString); 193 return ok; 194} 195 196// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 197/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 198/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 199 200void MediaPlayerService::instantiate() { 201 defaultServiceManager()->addService( 202 String16("media.player"), new MediaPlayerService()); 203} 204 205MediaPlayerService::MediaPlayerService() 206{ 207 ALOGV("MediaPlayerService created"); 208 mNextConnId = 1; 209 210 mBatteryAudio.refCount = 0; 211 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 212 mBatteryAudio.deviceOn[i] = 0; 213 mBatteryAudio.lastTime[i] = 0; 214 mBatteryAudio.totalTime[i] = 0; 215 } 216 // speaker is on by default 217 mBatteryAudio.deviceOn[SPEAKER] = 1; 218 219 MediaPlayerFactory::registerBuiltinFactories(); 220} 221 222MediaPlayerService::~MediaPlayerService() 223{ 224 ALOGV("MediaPlayerService destroyed"); 225} 226 227sp<IMediaRecorder> MediaPlayerService::createMediaRecorder() 228{ 229 pid_t pid = IPCThreadState::self()->getCallingPid(); 230 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 231 wp<MediaRecorderClient> w = recorder; 232 Mutex::Autolock lock(mLock); 233 mMediaRecorderClients.add(w); 234 ALOGV("Create new media recorder client from pid %d", pid); 235 return recorder; 236} 237 238void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 239{ 240 Mutex::Autolock lock(mLock); 241 mMediaRecorderClients.remove(client); 242 ALOGV("Delete media recorder client"); 243} 244 245sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever() 246{ 247 pid_t pid = IPCThreadState::self()->getCallingPid(); 248 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 249 ALOGV("Create new media retriever from pid %d", pid); 250 return retriever; 251} 252 253sp<IMediaPlayer> MediaPlayerService::create(const sp<IMediaPlayerClient>& client, 254 int audioSessionId) 255{ 256 pid_t pid = IPCThreadState::self()->getCallingPid(); 257 int32_t connId = android_atomic_inc(&mNextConnId); 258 259 sp<Client> c = new Client( 260 this, pid, connId, client, audioSessionId, 261 IPCThreadState::self()->getCallingUid()); 262 263 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 264 IPCThreadState::self()->getCallingUid()); 265 266 wp<Client> w = c; 267 { 268 Mutex::Autolock lock(mLock); 269 mClients.add(w); 270 } 271 return c; 272} 273 274sp<IOMX> MediaPlayerService::getOMX() { 275 Mutex::Autolock autoLock(mLock); 276 277 if (mOMX.get() == NULL) { 278 mOMX = new OMX; 279 } 280 281 return mOMX; 282} 283 284sp<ICrypto> MediaPlayerService::makeCrypto() { 285 return new Crypto; 286} 287 288sp<IHDCP> MediaPlayerService::makeHDCP(bool createEncryptionModule) { 289 return new HDCP(createEncryptionModule); 290} 291 292sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay( 293 const sp<IRemoteDisplayClient>& client, const String8& iface) { 294 if (!checkPermission("android.permission.CONTROL_WIFI_DISPLAY")) { 295 return NULL; 296 } 297 298 return new RemoteDisplay(client, iface.string()); 299} 300 301status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 302{ 303 const size_t SIZE = 256; 304 char buffer[SIZE]; 305 String8 result; 306 307 result.append(" AudioCache\n"); 308 if (mHeap != 0) { 309 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 310 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 311 result.append(buffer); 312 } 313 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 314 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 315 result.append(buffer); 316 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 317 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 318 result.append(buffer); 319 ::write(fd, result.string(), result.size()); 320 return NO_ERROR; 321} 322 323status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 324{ 325 const size_t SIZE = 256; 326 char buffer[SIZE]; 327 String8 result; 328 329 result.append(" AudioOutput\n"); 330 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 331 mStreamType, mLeftVolume, mRightVolume); 332 result.append(buffer); 333 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 334 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 335 result.append(buffer); 336 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 337 mAuxEffectId, mSendLevel); 338 result.append(buffer); 339 340 ::write(fd, result.string(), result.size()); 341 if (mTrack != 0) { 342 mTrack->dump(fd, args); 343 } 344 return NO_ERROR; 345} 346 347status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 348{ 349 const size_t SIZE = 256; 350 char buffer[SIZE]; 351 String8 result; 352 result.append(" Client\n"); 353 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 354 mPid, mConnId, mStatus, mLoop?"true": "false"); 355 result.append(buffer); 356 write(fd, result.string(), result.size()); 357 if (mPlayer != NULL) { 358 mPlayer->dump(fd, args); 359 } 360 if (mAudioOutput != 0) { 361 mAudioOutput->dump(fd, args); 362 } 363 write(fd, "\n", 1); 364 return NO_ERROR; 365} 366 367status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 368{ 369 const size_t SIZE = 256; 370 char buffer[SIZE]; 371 String8 result; 372 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 373 snprintf(buffer, SIZE, "Permission Denial: " 374 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 375 IPCThreadState::self()->getCallingPid(), 376 IPCThreadState::self()->getCallingUid()); 377 result.append(buffer); 378 } else { 379 Mutex::Autolock lock(mLock); 380 for (int i = 0, n = mClients.size(); i < n; ++i) { 381 sp<Client> c = mClients[i].promote(); 382 if (c != 0) c->dump(fd, args); 383 } 384 if (mMediaRecorderClients.size() == 0) { 385 result.append(" No media recorder client\n\n"); 386 } else { 387 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 388 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 389 if (c != 0) { 390 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 391 result.append(buffer); 392 write(fd, result.string(), result.size()); 393 result = "\n"; 394 c->dump(fd, args); 395 } 396 } 397 } 398 399 result.append(" Files opened and/or mapped:\n"); 400 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 401 FILE *f = fopen(buffer, "r"); 402 if (f) { 403 while (!feof(f)) { 404 fgets(buffer, SIZE, f); 405 if (strstr(buffer, " /storage/") || 406 strstr(buffer, " /system/sounds/") || 407 strstr(buffer, " /data/") || 408 strstr(buffer, " /system/media/")) { 409 result.append(" "); 410 result.append(buffer); 411 } 412 } 413 fclose(f); 414 } else { 415 result.append("couldn't open "); 416 result.append(buffer); 417 result.append("\n"); 418 } 419 420 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 421 DIR *d = opendir(buffer); 422 if (d) { 423 struct dirent *ent; 424 while((ent = readdir(d)) != NULL) { 425 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 426 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 427 struct stat s; 428 if (lstat(buffer, &s) == 0) { 429 if ((s.st_mode & S_IFMT) == S_IFLNK) { 430 char linkto[256]; 431 int len = readlink(buffer, linkto, sizeof(linkto)); 432 if(len > 0) { 433 if(len > 255) { 434 linkto[252] = '.'; 435 linkto[253] = '.'; 436 linkto[254] = '.'; 437 linkto[255] = 0; 438 } else { 439 linkto[len] = 0; 440 } 441 if (strstr(linkto, "/storage/") == linkto || 442 strstr(linkto, "/system/sounds/") == linkto || 443 strstr(linkto, "/data/") == linkto || 444 strstr(linkto, "/system/media/") == linkto) { 445 result.append(" "); 446 result.append(buffer); 447 result.append(" -> "); 448 result.append(linkto); 449 result.append("\n"); 450 } 451 } 452 } else { 453 result.append(" unexpected type for "); 454 result.append(buffer); 455 result.append("\n"); 456 } 457 } 458 } 459 } 460 closedir(d); 461 } else { 462 result.append("couldn't open "); 463 result.append(buffer); 464 result.append("\n"); 465 } 466 467 bool dumpMem = false; 468 for (size_t i = 0; i < args.size(); i++) { 469 if (args[i] == String16("-m")) { 470 dumpMem = true; 471 } 472 } 473 if (dumpMem) { 474 dumpMemoryAddresses(fd); 475 } 476 } 477 write(fd, result.string(), result.size()); 478 return NO_ERROR; 479} 480 481void MediaPlayerService::removeClient(wp<Client> client) 482{ 483 Mutex::Autolock lock(mLock); 484 mClients.remove(client); 485} 486 487MediaPlayerService::Client::Client( 488 const sp<MediaPlayerService>& service, pid_t pid, 489 int32_t connId, const sp<IMediaPlayerClient>& client, 490 int audioSessionId, uid_t uid) 491{ 492 ALOGV("Client(%d) constructor", connId); 493 mPid = pid; 494 mConnId = connId; 495 mService = service; 496 mClient = client; 497 mLoop = false; 498 mStatus = NO_INIT; 499 mAudioSessionId = audioSessionId; 500 mUID = uid; 501 mRetransmitEndpointValid = false; 502 503#if CALLBACK_ANTAGONIZER 504 ALOGD("create Antagonizer"); 505 mAntagonizer = new Antagonizer(notify, this); 506#endif 507} 508 509MediaPlayerService::Client::~Client() 510{ 511 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 512 mAudioOutput.clear(); 513 wp<Client> client(this); 514 disconnect(); 515 mService->removeClient(client); 516} 517 518void MediaPlayerService::Client::disconnect() 519{ 520 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 521 // grab local reference and clear main reference to prevent future 522 // access to object 523 sp<MediaPlayerBase> p; 524 { 525 Mutex::Autolock l(mLock); 526 p = mPlayer; 527 } 528 mClient.clear(); 529 530 mPlayer.clear(); 531 532 // clear the notification to prevent callbacks to dead client 533 // and reset the player. We assume the player will serialize 534 // access to itself if necessary. 535 if (p != 0) { 536 p->setNotifyCallback(0, 0); 537#if CALLBACK_ANTAGONIZER 538 ALOGD("kill Antagonizer"); 539 mAntagonizer->kill(); 540#endif 541 p->reset(); 542 } 543 544 disconnectNativeWindow(); 545 546 IPCThreadState::self()->flushCommands(); 547} 548 549sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 550{ 551 // determine if we have the right player type 552 sp<MediaPlayerBase> p = mPlayer; 553 if ((p != NULL) && (p->playerType() != playerType)) { 554 ALOGV("delete player"); 555 p.clear(); 556 } 557 if (p == NULL) { 558 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 559 } 560 561 if (p != NULL) { 562 p->setUID(mUID); 563 } 564 565 return p; 566} 567 568sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 569 player_type playerType) 570{ 571 ALOGV("player type = %d", playerType); 572 573 // create the right type of player 574 sp<MediaPlayerBase> p = createPlayer(playerType); 575 if (p == NULL) { 576 return p; 577 } 578 579 if (!p->hardwareOutput()) { 580 mAudioOutput = new AudioOutput(mAudioSessionId); 581 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 582 } 583 584 return p; 585} 586 587void MediaPlayerService::Client::setDataSource_post( 588 const sp<MediaPlayerBase>& p, 589 status_t status) 590{ 591 ALOGV(" setDataSource"); 592 mStatus = status; 593 if (mStatus != OK) { 594 ALOGE(" error: %d", mStatus); 595 return; 596 } 597 598 // Set the re-transmission endpoint if one was chosen. 599 if (mRetransmitEndpointValid) { 600 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 601 if (mStatus != NO_ERROR) { 602 ALOGE("setRetransmitEndpoint error: %d", mStatus); 603 } 604 } 605 606 if (mStatus == OK) { 607 mPlayer = p; 608 } 609} 610 611status_t MediaPlayerService::Client::setDataSource( 612 const char *url, const KeyedVector<String8, String8> *headers) 613{ 614 ALOGV("setDataSource(%s)", url); 615 if (url == NULL) 616 return UNKNOWN_ERROR; 617 618 if ((strncmp(url, "http://", 7) == 0) || 619 (strncmp(url, "https://", 8) == 0) || 620 (strncmp(url, "rtsp://", 7) == 0)) { 621 if (!checkPermission("android.permission.INTERNET")) { 622 return PERMISSION_DENIED; 623 } 624 } 625 626 if (strncmp(url, "content://", 10) == 0) { 627 // get a filedescriptor for the content Uri and 628 // pass it to the setDataSource(fd) method 629 630 String16 url16(url); 631 int fd = android::openContentProviderFile(url16); 632 if (fd < 0) 633 { 634 ALOGE("Couldn't open fd for %s", url); 635 return UNKNOWN_ERROR; 636 } 637 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 638 close(fd); 639 return mStatus; 640 } else { 641 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 642 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 643 if (p == NULL) { 644 return NO_INIT; 645 } 646 647 setDataSource_post(p, p->setDataSource(url, headers)); 648 return mStatus; 649 } 650} 651 652status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 653{ 654 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 655 struct stat sb; 656 int ret = fstat(fd, &sb); 657 if (ret != 0) { 658 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 659 return UNKNOWN_ERROR; 660 } 661 662 ALOGV("st_dev = %llu", sb.st_dev); 663 ALOGV("st_mode = %u", sb.st_mode); 664 ALOGV("st_uid = %lu", sb.st_uid); 665 ALOGV("st_gid = %lu", sb.st_gid); 666 ALOGV("st_size = %llu", sb.st_size); 667 668 if (offset >= sb.st_size) { 669 ALOGE("offset error"); 670 ::close(fd); 671 return UNKNOWN_ERROR; 672 } 673 if (offset + length > sb.st_size) { 674 length = sb.st_size - offset; 675 ALOGV("calculated length = %lld", length); 676 } 677 678 player_type playerType = MediaPlayerFactory::getPlayerType(this, 679 fd, 680 offset, 681 length); 682 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 683 if (p == NULL) { 684 return NO_INIT; 685 } 686 687 // now set data source 688 setDataSource_post(p, p->setDataSource(fd, offset, length)); 689 return mStatus; 690} 691 692status_t MediaPlayerService::Client::setDataSource( 693 const sp<IStreamSource> &source) { 694 // create the right type of player 695 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 696 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 697 if (p == NULL) { 698 return NO_INIT; 699 } 700 701 // now set data source 702 setDataSource_post(p, p->setDataSource(source)); 703 return mStatus; 704} 705 706void MediaPlayerService::Client::disconnectNativeWindow() { 707 if (mConnectedWindow != NULL) { 708 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 709 NATIVE_WINDOW_API_MEDIA); 710 711 if (err != OK) { 712 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 713 strerror(-err), err); 714 } 715 } 716 mConnectedWindow.clear(); 717} 718 719status_t MediaPlayerService::Client::setVideoSurfaceTexture( 720 const sp<IGraphicBufferProducer>& bufferProducer) 721{ 722 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, bufferProducer.get()); 723 sp<MediaPlayerBase> p = getPlayer(); 724 if (p == 0) return UNKNOWN_ERROR; 725 726 sp<IBinder> binder(bufferProducer == NULL ? NULL : 727 bufferProducer->asBinder()); 728 if (mConnectedWindowBinder == binder) { 729 return OK; 730 } 731 732 sp<ANativeWindow> anw; 733 if (bufferProducer != NULL) { 734 anw = new Surface(bufferProducer); 735 status_t err = native_window_api_connect(anw.get(), 736 NATIVE_WINDOW_API_MEDIA); 737 738 if (err != OK) { 739 ALOGE("setVideoSurfaceTexture failed: %d", err); 740 // Note that we must do the reset before disconnecting from the ANW. 741 // Otherwise queue/dequeue calls could be made on the disconnected 742 // ANW, which may result in errors. 743 reset(); 744 745 disconnectNativeWindow(); 746 747 return err; 748 } 749 } 750 751 // Note that we must set the player's new GraphicBufferProducer before 752 // disconnecting the old one. Otherwise queue/dequeue calls could be made 753 // on the disconnected ANW, which may result in errors. 754 status_t err = p->setVideoSurfaceTexture(bufferProducer); 755 756 disconnectNativeWindow(); 757 758 mConnectedWindow = anw; 759 760 if (err == OK) { 761 mConnectedWindowBinder = binder; 762 } else { 763 disconnectNativeWindow(); 764 } 765 766 return err; 767} 768 769status_t MediaPlayerService::Client::invoke(const Parcel& request, 770 Parcel *reply) 771{ 772 sp<MediaPlayerBase> p = getPlayer(); 773 if (p == NULL) return UNKNOWN_ERROR; 774 return p->invoke(request, reply); 775} 776 777// This call doesn't need to access the native player. 778status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 779{ 780 status_t status; 781 media::Metadata::Filter allow, drop; 782 783 if (unmarshallFilter(filter, &allow, &status) && 784 unmarshallFilter(filter, &drop, &status)) { 785 Mutex::Autolock lock(mLock); 786 787 mMetadataAllow = allow; 788 mMetadataDrop = drop; 789 } 790 return status; 791} 792 793status_t MediaPlayerService::Client::getMetadata( 794 bool update_only, bool apply_filter, Parcel *reply) 795{ 796 sp<MediaPlayerBase> player = getPlayer(); 797 if (player == 0) return UNKNOWN_ERROR; 798 799 status_t status; 800 // Placeholder for the return code, updated by the caller. 801 reply->writeInt32(-1); 802 803 media::Metadata::Filter ids; 804 805 // We don't block notifications while we fetch the data. We clear 806 // mMetadataUpdated first so we don't lose notifications happening 807 // during the rest of this call. 808 { 809 Mutex::Autolock lock(mLock); 810 if (update_only) { 811 ids = mMetadataUpdated; 812 } 813 mMetadataUpdated.clear(); 814 } 815 816 media::Metadata metadata(reply); 817 818 metadata.appendHeader(); 819 status = player->getMetadata(ids, reply); 820 821 if (status != OK) { 822 metadata.resetParcel(); 823 ALOGE("getMetadata failed %d", status); 824 return status; 825 } 826 827 // FIXME: Implement filtering on the result. Not critical since 828 // filtering takes place on the update notifications already. This 829 // would be when all the metadata are fetch and a filter is set. 830 831 // Everything is fine, update the metadata length. 832 metadata.updateLength(); 833 return OK; 834} 835 836status_t MediaPlayerService::Client::prepareAsync() 837{ 838 ALOGV("[%d] prepareAsync", mConnId); 839 sp<MediaPlayerBase> p = getPlayer(); 840 if (p == 0) return UNKNOWN_ERROR; 841 status_t ret = p->prepareAsync(); 842#if CALLBACK_ANTAGONIZER 843 ALOGD("start Antagonizer"); 844 if (ret == NO_ERROR) mAntagonizer->start(); 845#endif 846 return ret; 847} 848 849status_t MediaPlayerService::Client::start() 850{ 851 ALOGV("[%d] start", mConnId); 852 sp<MediaPlayerBase> p = getPlayer(); 853 if (p == 0) return UNKNOWN_ERROR; 854 p->setLooping(mLoop); 855 return p->start(); 856} 857 858status_t MediaPlayerService::Client::stop() 859{ 860 ALOGV("[%d] stop", mConnId); 861 sp<MediaPlayerBase> p = getPlayer(); 862 if (p == 0) return UNKNOWN_ERROR; 863 return p->stop(); 864} 865 866status_t MediaPlayerService::Client::pause() 867{ 868 ALOGV("[%d] pause", mConnId); 869 sp<MediaPlayerBase> p = getPlayer(); 870 if (p == 0) return UNKNOWN_ERROR; 871 return p->pause(); 872} 873 874status_t MediaPlayerService::Client::isPlaying(bool* state) 875{ 876 *state = false; 877 sp<MediaPlayerBase> p = getPlayer(); 878 if (p == 0) return UNKNOWN_ERROR; 879 *state = p->isPlaying(); 880 ALOGV("[%d] isPlaying: %d", mConnId, *state); 881 return NO_ERROR; 882} 883 884status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 885{ 886 ALOGV("getCurrentPosition"); 887 sp<MediaPlayerBase> p = getPlayer(); 888 if (p == 0) return UNKNOWN_ERROR; 889 status_t ret = p->getCurrentPosition(msec); 890 if (ret == NO_ERROR) { 891 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 892 } else { 893 ALOGE("getCurrentPosition returned %d", ret); 894 } 895 return ret; 896} 897 898status_t MediaPlayerService::Client::getDuration(int *msec) 899{ 900 ALOGV("getDuration"); 901 sp<MediaPlayerBase> p = getPlayer(); 902 if (p == 0) return UNKNOWN_ERROR; 903 status_t ret = p->getDuration(msec); 904 if (ret == NO_ERROR) { 905 ALOGV("[%d] getDuration = %d", mConnId, *msec); 906 } else { 907 ALOGE("getDuration returned %d", ret); 908 } 909 return ret; 910} 911 912status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 913 ALOGV("setNextPlayer"); 914 Mutex::Autolock l(mLock); 915 sp<Client> c = static_cast<Client*>(player.get()); 916 mNextClient = c; 917 918 if (c != NULL) { 919 if (mAudioOutput != NULL) { 920 mAudioOutput->setNextOutput(c->mAudioOutput); 921 } else if ((mPlayer != NULL) && !mPlayer->hardwareOutput()) { 922 ALOGE("no current audio output"); 923 } 924 925 if ((mPlayer != NULL) && (mNextClient->getPlayer() != NULL)) { 926 mPlayer->setNextPlayer(mNextClient->getPlayer()); 927 } 928 } 929 930 return OK; 931} 932 933status_t MediaPlayerService::Client::seekTo(int msec) 934{ 935 ALOGV("[%d] seekTo(%d)", mConnId, msec); 936 sp<MediaPlayerBase> p = getPlayer(); 937 if (p == 0) return UNKNOWN_ERROR; 938 return p->seekTo(msec); 939} 940 941status_t MediaPlayerService::Client::reset() 942{ 943 ALOGV("[%d] reset", mConnId); 944 mRetransmitEndpointValid = false; 945 sp<MediaPlayerBase> p = getPlayer(); 946 if (p == 0) return UNKNOWN_ERROR; 947 return p->reset(); 948} 949 950status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 951{ 952 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 953 // TODO: for hardware output, call player instead 954 Mutex::Autolock l(mLock); 955 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 956 return NO_ERROR; 957} 958 959status_t MediaPlayerService::Client::setLooping(int loop) 960{ 961 ALOGV("[%d] setLooping(%d)", mConnId, loop); 962 mLoop = loop; 963 sp<MediaPlayerBase> p = getPlayer(); 964 if (p != 0) return p->setLooping(loop); 965 return NO_ERROR; 966} 967 968status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 969{ 970 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 971 972 // for hardware output, call player instead 973 sp<MediaPlayerBase> p = getPlayer(); 974 { 975 Mutex::Autolock l(mLock); 976 if (p != 0 && p->hardwareOutput()) { 977 MediaPlayerHWInterface* hwp = 978 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 979 return hwp->setVolume(leftVolume, rightVolume); 980 } else { 981 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 982 return NO_ERROR; 983 } 984 } 985 986 return NO_ERROR; 987} 988 989status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 990{ 991 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 992 Mutex::Autolock l(mLock); 993 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 994 return NO_ERROR; 995} 996 997status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 998{ 999 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 1000 Mutex::Autolock l(mLock); 1001 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 1002 return NO_ERROR; 1003} 1004 1005status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 1006 ALOGV("[%d] setParameter(%d)", mConnId, key); 1007 sp<MediaPlayerBase> p = getPlayer(); 1008 if (p == 0) return UNKNOWN_ERROR; 1009 return p->setParameter(key, request); 1010} 1011 1012status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 1013 ALOGV("[%d] getParameter(%d)", mConnId, key); 1014 sp<MediaPlayerBase> p = getPlayer(); 1015 if (p == 0) return UNKNOWN_ERROR; 1016 return p->getParameter(key, reply); 1017} 1018 1019status_t MediaPlayerService::Client::setRetransmitEndpoint( 1020 const struct sockaddr_in* endpoint) { 1021 1022 if (NULL != endpoint) { 1023 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 1024 uint16_t p = ntohs(endpoint->sin_port); 1025 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 1026 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1027 } else { 1028 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1029 } 1030 1031 sp<MediaPlayerBase> p = getPlayer(); 1032 1033 // Right now, the only valid time to set a retransmit endpoint is before 1034 // player selection has been made (since the presence or absence of a 1035 // retransmit endpoint is going to determine which player is selected during 1036 // setDataSource). 1037 if (p != 0) return INVALID_OPERATION; 1038 1039 if (NULL != endpoint) { 1040 mRetransmitEndpoint = *endpoint; 1041 mRetransmitEndpointValid = true; 1042 } else { 1043 mRetransmitEndpointValid = false; 1044 } 1045 1046 return NO_ERROR; 1047} 1048 1049status_t MediaPlayerService::Client::getRetransmitEndpoint( 1050 struct sockaddr_in* endpoint) 1051{ 1052 if (NULL == endpoint) 1053 return BAD_VALUE; 1054 1055 sp<MediaPlayerBase> p = getPlayer(); 1056 1057 if (p != NULL) 1058 return p->getRetransmitEndpoint(endpoint); 1059 1060 if (!mRetransmitEndpointValid) 1061 return NO_INIT; 1062 1063 *endpoint = mRetransmitEndpoint; 1064 1065 return NO_ERROR; 1066} 1067 1068void MediaPlayerService::Client::notify( 1069 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1070{ 1071 Client* client = static_cast<Client*>(cookie); 1072 if (client == NULL) { 1073 return; 1074 } 1075 1076 sp<IMediaPlayerClient> c; 1077 { 1078 Mutex::Autolock l(client->mLock); 1079 c = client->mClient; 1080 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1081 if (client->mAudioOutput != NULL) 1082 client->mAudioOutput->switchToNextOutput(); 1083 client->mNextClient->start(); 1084 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1085 } 1086 } 1087 1088 if (MEDIA_INFO == msg && 1089 MEDIA_INFO_METADATA_UPDATE == ext1) { 1090 const media::Metadata::Type metadata_type = ext2; 1091 1092 if(client->shouldDropMetadata(metadata_type)) { 1093 return; 1094 } 1095 1096 // Update the list of metadata that have changed. getMetadata 1097 // also access mMetadataUpdated and clears it. 1098 client->addNewMetadataUpdate(metadata_type); 1099 } 1100 1101 if (c != NULL) { 1102 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1103 c->notify(msg, ext1, ext2, obj); 1104 } 1105} 1106 1107 1108bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1109{ 1110 Mutex::Autolock lock(mLock); 1111 1112 if (findMetadata(mMetadataDrop, code)) { 1113 return true; 1114 } 1115 1116 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1117 return false; 1118 } else { 1119 return true; 1120 } 1121} 1122 1123 1124void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1125 Mutex::Autolock lock(mLock); 1126 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1127 mMetadataUpdated.add(metadata_type); 1128 } 1129} 1130 1131#if CALLBACK_ANTAGONIZER 1132const int Antagonizer::interval = 10000; // 10 msecs 1133 1134Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1135 mExit(false), mActive(false), mClient(client), mCb(cb) 1136{ 1137 createThread(callbackThread, this); 1138} 1139 1140void Antagonizer::kill() 1141{ 1142 Mutex::Autolock _l(mLock); 1143 mActive = false; 1144 mExit = true; 1145 mCondition.wait(mLock); 1146} 1147 1148int Antagonizer::callbackThread(void* user) 1149{ 1150 ALOGD("Antagonizer started"); 1151 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1152 while (!p->mExit) { 1153 if (p->mActive) { 1154 ALOGV("send event"); 1155 p->mCb(p->mClient, 0, 0, 0); 1156 } 1157 usleep(interval); 1158 } 1159 Mutex::Autolock _l(p->mLock); 1160 p->mCondition.signal(); 1161 ALOGD("Antagonizer stopped"); 1162 return 0; 1163} 1164#endif 1165 1166static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1167 1168sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) 1169{ 1170 ALOGV("decode(%s)", url); 1171 sp<MemoryBase> mem; 1172 sp<MediaPlayerBase> player; 1173 1174 // Protect our precious, precious DRMd ringtones by only allowing 1175 // decoding of http, but not filesystem paths or content Uris. 1176 // If the application wants to decode those, it should open a 1177 // filedescriptor for them and use that. 1178 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1179 ALOGD("Can't decode %s by path, use filedescriptor instead", url); 1180 return mem; 1181 } 1182 1183 player_type playerType = 1184 MediaPlayerFactory::getPlayerType(NULL /* client */, url); 1185 ALOGV("player type = %d", playerType); 1186 1187 // create the right type of player 1188 sp<AudioCache> cache = new AudioCache(url); 1189 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1190 if (player == NULL) goto Exit; 1191 if (player->hardwareOutput()) goto Exit; 1192 1193 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1194 1195 // set data source 1196 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1197 1198 ALOGV("prepare"); 1199 player->prepareAsync(); 1200 1201 ALOGV("wait for prepare"); 1202 if (cache->wait() != NO_ERROR) goto Exit; 1203 1204 ALOGV("start"); 1205 player->start(); 1206 1207 ALOGV("wait for playback complete"); 1208 cache->wait(); 1209 // in case of error, return what was successfully decoded. 1210 if (cache->size() == 0) { 1211 goto Exit; 1212 } 1213 1214 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1215 *pSampleRate = cache->sampleRate(); 1216 *pNumChannels = cache->channelCount(); 1217 *pFormat = cache->format(); 1218 ALOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1219 1220Exit: 1221 if (player != 0) player->reset(); 1222 return mem; 1223} 1224 1225sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) 1226{ 1227 ALOGV("decode(%d, %lld, %lld)", fd, offset, length); 1228 sp<MemoryBase> mem; 1229 sp<MediaPlayerBase> player; 1230 1231 player_type playerType = MediaPlayerFactory::getPlayerType(NULL /* client */, 1232 fd, 1233 offset, 1234 length); 1235 ALOGV("player type = %d", playerType); 1236 1237 // create the right type of player 1238 sp<AudioCache> cache = new AudioCache("decode_fd"); 1239 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1240 if (player == NULL) goto Exit; 1241 if (player->hardwareOutput()) goto Exit; 1242 1243 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1244 1245 // set data source 1246 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1247 1248 ALOGV("prepare"); 1249 player->prepareAsync(); 1250 1251 ALOGV("wait for prepare"); 1252 if (cache->wait() != NO_ERROR) goto Exit; 1253 1254 ALOGV("start"); 1255 player->start(); 1256 1257 ALOGV("wait for playback complete"); 1258 cache->wait(); 1259 // in case of error, return what was successfully decoded. 1260 if (cache->size() == 0) { 1261 goto Exit; 1262 } 1263 1264 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1265 *pSampleRate = cache->sampleRate(); 1266 *pNumChannels = cache->channelCount(); 1267 *pFormat = cache->format(); 1268 ALOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1269 1270Exit: 1271 if (player != 0) player->reset(); 1272 ::close(fd); 1273 return mem; 1274} 1275 1276 1277#undef LOG_TAG 1278#define LOG_TAG "AudioSink" 1279MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1280 : mCallback(NULL), 1281 mCallbackCookie(NULL), 1282 mCallbackData(NULL), 1283 mBytesWritten(0), 1284 mSessionId(sessionId), 1285 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1286 ALOGV("AudioOutput(%d)", sessionId); 1287 mTrack = 0; 1288 mRecycledTrack = 0; 1289 mStreamType = AUDIO_STREAM_MUSIC; 1290 mLeftVolume = 1.0; 1291 mRightVolume = 1.0; 1292 mPlaybackRatePermille = 1000; 1293 mSampleRateHz = 0; 1294 mMsecsPerFrame = 0; 1295 mAuxEffectId = 0; 1296 mSendLevel = 0.0; 1297 setMinBufferCount(); 1298} 1299 1300MediaPlayerService::AudioOutput::~AudioOutput() 1301{ 1302 close(); 1303 delete mRecycledTrack; 1304 delete mCallbackData; 1305} 1306 1307void MediaPlayerService::AudioOutput::setMinBufferCount() 1308{ 1309 char value[PROPERTY_VALUE_MAX]; 1310 if (property_get("ro.kernel.qemu", value, 0)) { 1311 mIsOnEmulator = true; 1312 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1313 } 1314} 1315 1316bool MediaPlayerService::AudioOutput::isOnEmulator() 1317{ 1318 setMinBufferCount(); 1319 return mIsOnEmulator; 1320} 1321 1322int MediaPlayerService::AudioOutput::getMinBufferCount() 1323{ 1324 setMinBufferCount(); 1325 return mMinBufferCount; 1326} 1327 1328ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1329{ 1330 if (mTrack == 0) return NO_INIT; 1331 return mTrack->frameCount() * frameSize(); 1332} 1333 1334ssize_t MediaPlayerService::AudioOutput::frameCount() const 1335{ 1336 if (mTrack == 0) return NO_INIT; 1337 return mTrack->frameCount(); 1338} 1339 1340ssize_t MediaPlayerService::AudioOutput::channelCount() const 1341{ 1342 if (mTrack == 0) return NO_INIT; 1343 return mTrack->channelCount(); 1344} 1345 1346ssize_t MediaPlayerService::AudioOutput::frameSize() const 1347{ 1348 if (mTrack == 0) return NO_INIT; 1349 return mTrack->frameSize(); 1350} 1351 1352uint32_t MediaPlayerService::AudioOutput::latency () const 1353{ 1354 if (mTrack == 0) return 0; 1355 return mTrack->latency(); 1356} 1357 1358float MediaPlayerService::AudioOutput::msecsPerFrame() const 1359{ 1360 return mMsecsPerFrame; 1361} 1362 1363status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1364{ 1365 if (mTrack == 0) return NO_INIT; 1366 return mTrack->getPosition(position); 1367} 1368 1369status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1370{ 1371 if (mTrack == 0) return NO_INIT; 1372 *frameswritten = mBytesWritten / frameSize(); 1373 return OK; 1374} 1375 1376status_t MediaPlayerService::AudioOutput::open( 1377 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1378 audio_format_t format, int bufferCount, 1379 AudioCallback cb, void *cookie, 1380 audio_output_flags_t flags) 1381{ 1382 mCallback = cb; 1383 mCallbackCookie = cookie; 1384 1385 // Check argument "bufferCount" against the mininum buffer count 1386 if (bufferCount < mMinBufferCount) { 1387 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1388 bufferCount = mMinBufferCount; 1389 1390 } 1391 ALOGV("open(%u, %d, 0x%x, %d, %d, %d)", sampleRate, channelCount, channelMask, 1392 format, bufferCount, mSessionId); 1393 uint32_t afSampleRate; 1394 size_t afFrameCount; 1395 uint32_t frameCount; 1396 1397 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1398 return NO_INIT; 1399 } 1400 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1401 return NO_INIT; 1402 } 1403 1404 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1405 1406 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1407 channelMask = audio_channel_out_mask_from_count(channelCount); 1408 if (0 == channelMask) { 1409 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1410 return NO_INIT; 1411 } 1412 } 1413 1414 AudioTrack *t; 1415 CallbackData *newcbd = NULL; 1416 if (mCallback != NULL) { 1417 newcbd = new CallbackData(this); 1418 t = new AudioTrack( 1419 mStreamType, 1420 sampleRate, 1421 format, 1422 channelMask, 1423 frameCount, 1424 flags, 1425 CallbackWrapper, 1426 newcbd, 1427 0, // notification frames 1428 mSessionId); 1429 } else { 1430 t = new AudioTrack( 1431 mStreamType, 1432 sampleRate, 1433 format, 1434 channelMask, 1435 frameCount, 1436 flags, 1437 NULL, 1438 NULL, 1439 0, 1440 mSessionId); 1441 } 1442 1443 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1444 ALOGE("Unable to create audio track"); 1445 delete t; 1446 delete newcbd; 1447 return NO_INIT; 1448 } 1449 1450 1451 if (mRecycledTrack) { 1452 // check if the existing track can be reused as-is, or if a new track needs to be created. 1453 1454 bool reuse = true; 1455 if ((mCallbackData == NULL && mCallback != NULL) || 1456 (mCallbackData != NULL && mCallback == NULL)) { 1457 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1458 ALOGV("can't chain callback and write"); 1459 reuse = false; 1460 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1461 (mRecycledTrack->channelCount() != channelCount) || 1462 (mRecycledTrack->frameCount() != t->frameCount())) { 1463 ALOGV("samplerate, channelcount or framecount differ: %d/%d Hz, %d/%d ch, %d/%d frames", 1464 mRecycledTrack->getSampleRate(), sampleRate, 1465 mRecycledTrack->channelCount(), channelCount, 1466 mRecycledTrack->frameCount(), t->frameCount()); 1467 reuse = false; 1468 } else if (flags != mFlags) { 1469 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1470 reuse = false; 1471 } 1472 if (reuse) { 1473 ALOGV("chaining to next output"); 1474 close(); 1475 mTrack = mRecycledTrack; 1476 mRecycledTrack = NULL; 1477 if (mCallbackData != NULL) { 1478 mCallbackData->setOutput(this); 1479 } 1480 delete t; 1481 delete newcbd; 1482 return OK; 1483 } 1484 1485 // if we're not going to reuse the track, unblock and flush it 1486 if (mCallbackData != NULL) { 1487 mCallbackData->setOutput(NULL); 1488 mCallbackData->endTrackSwitch(); 1489 } 1490 mRecycledTrack->flush(); 1491 delete mRecycledTrack; 1492 mRecycledTrack = NULL; 1493 delete mCallbackData; 1494 mCallbackData = NULL; 1495 close(); 1496 } 1497 1498 mCallbackData = newcbd; 1499 ALOGV("setVolume"); 1500 t->setVolume(mLeftVolume, mRightVolume); 1501 1502 mSampleRateHz = sampleRate; 1503 mFlags = flags; 1504 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1505 uint32_t pos; 1506 if (t->getPosition(&pos) == OK) { 1507 mBytesWritten = uint64_t(pos) * t->frameSize(); 1508 } 1509 mTrack = t; 1510 1511 status_t res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1512 if (res != NO_ERROR) { 1513 return res; 1514 } 1515 t->setAuxEffectSendLevel(mSendLevel); 1516 return t->attachAuxEffect(mAuxEffectId);; 1517} 1518 1519void MediaPlayerService::AudioOutput::start() 1520{ 1521 ALOGV("start"); 1522 if (mCallbackData != NULL) { 1523 mCallbackData->endTrackSwitch(); 1524 } 1525 if (mTrack) { 1526 mTrack->setVolume(mLeftVolume, mRightVolume); 1527 mTrack->setAuxEffectSendLevel(mSendLevel); 1528 mTrack->start(); 1529 } 1530} 1531 1532void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1533 mNextOutput = nextOutput; 1534} 1535 1536 1537void MediaPlayerService::AudioOutput::switchToNextOutput() { 1538 ALOGV("switchToNextOutput"); 1539 if (mNextOutput != NULL) { 1540 if (mCallbackData != NULL) { 1541 mCallbackData->beginTrackSwitch(); 1542 } 1543 delete mNextOutput->mCallbackData; 1544 mNextOutput->mCallbackData = mCallbackData; 1545 mCallbackData = NULL; 1546 mNextOutput->mRecycledTrack = mTrack; 1547 mTrack = NULL; 1548 mNextOutput->mSampleRateHz = mSampleRateHz; 1549 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1550 mNextOutput->mBytesWritten = mBytesWritten; 1551 mNextOutput->mFlags = mFlags; 1552 } 1553} 1554 1555ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1556{ 1557 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1558 1559 //ALOGV("write(%p, %u)", buffer, size); 1560 if (mTrack) { 1561 ssize_t ret = mTrack->write(buffer, size); 1562 mBytesWritten += ret; 1563 return ret; 1564 } 1565 return NO_INIT; 1566} 1567 1568void MediaPlayerService::AudioOutput::stop() 1569{ 1570 ALOGV("stop"); 1571 if (mTrack) mTrack->stop(); 1572} 1573 1574void MediaPlayerService::AudioOutput::flush() 1575{ 1576 ALOGV("flush"); 1577 if (mTrack) mTrack->flush(); 1578} 1579 1580void MediaPlayerService::AudioOutput::pause() 1581{ 1582 ALOGV("pause"); 1583 if (mTrack) mTrack->pause(); 1584} 1585 1586void MediaPlayerService::AudioOutput::close() 1587{ 1588 ALOGV("close"); 1589 delete mTrack; 1590 mTrack = 0; 1591} 1592 1593void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1594{ 1595 ALOGV("setVolume(%f, %f)", left, right); 1596 mLeftVolume = left; 1597 mRightVolume = right; 1598 if (mTrack) { 1599 mTrack->setVolume(left, right); 1600 } 1601} 1602 1603status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1604{ 1605 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1606 status_t res = NO_ERROR; 1607 if (mTrack) { 1608 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1609 } else { 1610 res = NO_INIT; 1611 } 1612 mPlaybackRatePermille = ratePermille; 1613 if (mSampleRateHz != 0) { 1614 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1615 } 1616 return res; 1617} 1618 1619status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1620{ 1621 ALOGV("setAuxEffectSendLevel(%f)", level); 1622 mSendLevel = level; 1623 if (mTrack) { 1624 return mTrack->setAuxEffectSendLevel(level); 1625 } 1626 return NO_ERROR; 1627} 1628 1629status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1630{ 1631 ALOGV("attachAuxEffect(%d)", effectId); 1632 mAuxEffectId = effectId; 1633 if (mTrack) { 1634 return mTrack->attachAuxEffect(effectId); 1635 } 1636 return NO_ERROR; 1637} 1638 1639// static 1640void MediaPlayerService::AudioOutput::CallbackWrapper( 1641 int event, void *cookie, void *info) { 1642 //ALOGV("callbackwrapper"); 1643 if (event != AudioTrack::EVENT_MORE_DATA) { 1644 return; 1645 } 1646 1647 CallbackData *data = (CallbackData*)cookie; 1648 data->lock(); 1649 AudioOutput *me = data->getOutput(); 1650 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1651 if (me == NULL) { 1652 // no output set, likely because the track was scheduled to be reused 1653 // by another player, but the format turned out to be incompatible. 1654 data->unlock(); 1655 buffer->size = 0; 1656 return; 1657 } 1658 1659 size_t actualSize = (*me->mCallback)( 1660 me, buffer->raw, buffer->size, me->mCallbackCookie); 1661 1662 if (actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1663 // We've reached EOS but the audio track is not stopped yet, 1664 // keep playing silence. 1665 1666 memset(buffer->raw, 0, buffer->size); 1667 actualSize = buffer->size; 1668 } 1669 1670 buffer->size = actualSize; 1671 data->unlock(); 1672} 1673 1674int MediaPlayerService::AudioOutput::getSessionId() const 1675{ 1676 return mSessionId; 1677} 1678 1679#undef LOG_TAG 1680#define LOG_TAG "AudioCache" 1681MediaPlayerService::AudioCache::AudioCache(const char* name) : 1682 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1683 mError(NO_ERROR), mCommandComplete(false) 1684{ 1685 // create ashmem heap 1686 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1687} 1688 1689uint32_t MediaPlayerService::AudioCache::latency () const 1690{ 1691 return 0; 1692} 1693 1694float MediaPlayerService::AudioCache::msecsPerFrame() const 1695{ 1696 return mMsecsPerFrame; 1697} 1698 1699status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) const 1700{ 1701 if (position == 0) return BAD_VALUE; 1702 *position = mSize; 1703 return NO_ERROR; 1704} 1705 1706status_t MediaPlayerService::AudioCache::getFramesWritten(uint32_t *written) const 1707{ 1708 if (written == 0) return BAD_VALUE; 1709 *written = mSize; 1710 return NO_ERROR; 1711} 1712 1713//////////////////////////////////////////////////////////////////////////////// 1714 1715struct CallbackThread : public Thread { 1716 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1717 MediaPlayerBase::AudioSink::AudioCallback cb, 1718 void *cookie); 1719 1720protected: 1721 virtual ~CallbackThread(); 1722 1723 virtual bool threadLoop(); 1724 1725private: 1726 wp<MediaPlayerBase::AudioSink> mSink; 1727 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1728 void *mCookie; 1729 void *mBuffer; 1730 size_t mBufferSize; 1731 1732 CallbackThread(const CallbackThread &); 1733 CallbackThread &operator=(const CallbackThread &); 1734}; 1735 1736CallbackThread::CallbackThread( 1737 const wp<MediaPlayerBase::AudioSink> &sink, 1738 MediaPlayerBase::AudioSink::AudioCallback cb, 1739 void *cookie) 1740 : mSink(sink), 1741 mCallback(cb), 1742 mCookie(cookie), 1743 mBuffer(NULL), 1744 mBufferSize(0) { 1745} 1746 1747CallbackThread::~CallbackThread() { 1748 if (mBuffer) { 1749 free(mBuffer); 1750 mBuffer = NULL; 1751 } 1752} 1753 1754bool CallbackThread::threadLoop() { 1755 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1756 if (sink == NULL) { 1757 return false; 1758 } 1759 1760 if (mBuffer == NULL) { 1761 mBufferSize = sink->bufferSize(); 1762 mBuffer = malloc(mBufferSize); 1763 } 1764 1765 size_t actualSize = 1766 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1767 1768 if (actualSize > 0) { 1769 sink->write(mBuffer, actualSize); 1770 } 1771 1772 return true; 1773} 1774 1775//////////////////////////////////////////////////////////////////////////////// 1776 1777status_t MediaPlayerService::AudioCache::open( 1778 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1779 audio_format_t format, int bufferCount, 1780 AudioCallback cb, void *cookie, audio_output_flags_t flags) 1781{ 1782 ALOGV("open(%u, %d, 0x%x, %d, %d)", sampleRate, channelCount, channelMask, format, bufferCount); 1783 if (mHeap->getHeapID() < 0) { 1784 return NO_INIT; 1785 } 1786 1787 mSampleRate = sampleRate; 1788 mChannelCount = (uint16_t)channelCount; 1789 mFormat = format; 1790 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1791 1792 if (cb != NULL) { 1793 mCallbackThread = new CallbackThread(this, cb, cookie); 1794 } 1795 return NO_ERROR; 1796} 1797 1798void MediaPlayerService::AudioCache::start() { 1799 if (mCallbackThread != NULL) { 1800 mCallbackThread->run("AudioCache callback"); 1801 } 1802} 1803 1804void MediaPlayerService::AudioCache::stop() { 1805 if (mCallbackThread != NULL) { 1806 mCallbackThread->requestExitAndWait(); 1807 } 1808} 1809 1810ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1811{ 1812 ALOGV("write(%p, %u)", buffer, size); 1813 if ((buffer == 0) || (size == 0)) return size; 1814 1815 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1816 if (p == NULL) return NO_INIT; 1817 p += mSize; 1818 ALOGV("memcpy(%p, %p, %u)", p, buffer, size); 1819 if (mSize + size > mHeap->getSize()) { 1820 ALOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1821 size = mHeap->getSize() - mSize; 1822 } 1823 memcpy(p, buffer, size); 1824 mSize += size; 1825 return size; 1826} 1827 1828// call with lock held 1829status_t MediaPlayerService::AudioCache::wait() 1830{ 1831 Mutex::Autolock lock(mLock); 1832 while (!mCommandComplete) { 1833 mSignal.wait(mLock); 1834 } 1835 mCommandComplete = false; 1836 1837 if (mError == NO_ERROR) { 1838 ALOGV("wait - success"); 1839 } else { 1840 ALOGV("wait - error"); 1841 } 1842 return mError; 1843} 1844 1845void MediaPlayerService::AudioCache::notify( 1846 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1847{ 1848 ALOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1849 AudioCache* p = static_cast<AudioCache*>(cookie); 1850 1851 // ignore buffering messages 1852 switch (msg) 1853 { 1854 case MEDIA_ERROR: 1855 ALOGE("Error %d, %d occurred", ext1, ext2); 1856 p->mError = ext1; 1857 break; 1858 case MEDIA_PREPARED: 1859 ALOGV("prepared"); 1860 break; 1861 case MEDIA_PLAYBACK_COMPLETE: 1862 ALOGV("playback complete"); 1863 break; 1864 default: 1865 ALOGV("ignored"); 1866 return; 1867 } 1868 1869 // wake up thread 1870 Mutex::Autolock lock(p->mLock); 1871 p->mCommandComplete = true; 1872 p->mSignal.signal(); 1873} 1874 1875int MediaPlayerService::AudioCache::getSessionId() const 1876{ 1877 return 0; 1878} 1879 1880void MediaPlayerService::addBatteryData(uint32_t params) 1881{ 1882 Mutex::Autolock lock(mLock); 1883 1884 int32_t time = systemTime() / 1000000L; 1885 1886 // change audio output devices. This notification comes from AudioFlinger 1887 if ((params & kBatteryDataSpeakerOn) 1888 || (params & kBatteryDataOtherAudioDeviceOn)) { 1889 1890 int deviceOn[NUM_AUDIO_DEVICES]; 1891 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1892 deviceOn[i] = 0; 1893 } 1894 1895 if ((params & kBatteryDataSpeakerOn) 1896 && (params & kBatteryDataOtherAudioDeviceOn)) { 1897 deviceOn[SPEAKER_AND_OTHER] = 1; 1898 } else if (params & kBatteryDataSpeakerOn) { 1899 deviceOn[SPEAKER] = 1; 1900 } else { 1901 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1902 } 1903 1904 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1905 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1906 1907 if (mBatteryAudio.refCount > 0) { // if playing audio 1908 if (!deviceOn[i]) { 1909 mBatteryAudio.lastTime[i] += time; 1910 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1911 mBatteryAudio.lastTime[i] = 0; 1912 } else { 1913 mBatteryAudio.lastTime[i] = 0 - time; 1914 } 1915 } 1916 1917 mBatteryAudio.deviceOn[i] = deviceOn[i]; 1918 } 1919 } 1920 return; 1921 } 1922 1923 // an sudio stream is started 1924 if (params & kBatteryDataAudioFlingerStart) { 1925 // record the start time only if currently no other audio 1926 // is being played 1927 if (mBatteryAudio.refCount == 0) { 1928 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1929 if (mBatteryAudio.deviceOn[i]) { 1930 mBatteryAudio.lastTime[i] -= time; 1931 } 1932 } 1933 } 1934 1935 mBatteryAudio.refCount ++; 1936 return; 1937 1938 } else if (params & kBatteryDataAudioFlingerStop) { 1939 if (mBatteryAudio.refCount <= 0) { 1940 ALOGW("Battery track warning: refCount is <= 0"); 1941 return; 1942 } 1943 1944 // record the stop time only if currently this is the only 1945 // audio being played 1946 if (mBatteryAudio.refCount == 1) { 1947 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1948 if (mBatteryAudio.deviceOn[i]) { 1949 mBatteryAudio.lastTime[i] += time; 1950 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1951 mBatteryAudio.lastTime[i] = 0; 1952 } 1953 } 1954 } 1955 1956 mBatteryAudio.refCount --; 1957 return; 1958 } 1959 1960 int uid = IPCThreadState::self()->getCallingUid(); 1961 if (uid == AID_MEDIA) { 1962 return; 1963 } 1964 int index = mBatteryData.indexOfKey(uid); 1965 1966 if (index < 0) { // create a new entry for this UID 1967 BatteryUsageInfo info; 1968 info.audioTotalTime = 0; 1969 info.videoTotalTime = 0; 1970 info.audioLastTime = 0; 1971 info.videoLastTime = 0; 1972 info.refCount = 0; 1973 1974 if (mBatteryData.add(uid, info) == NO_MEMORY) { 1975 ALOGE("Battery track error: no memory for new app"); 1976 return; 1977 } 1978 } 1979 1980 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 1981 1982 if (params & kBatteryDataCodecStarted) { 1983 if (params & kBatteryDataTrackAudio) { 1984 info.audioLastTime -= time; 1985 info.refCount ++; 1986 } 1987 if (params & kBatteryDataTrackVideo) { 1988 info.videoLastTime -= time; 1989 info.refCount ++; 1990 } 1991 } else { 1992 if (info.refCount == 0) { 1993 ALOGW("Battery track warning: refCount is already 0"); 1994 return; 1995 } else if (info.refCount < 0) { 1996 ALOGE("Battery track error: refCount < 0"); 1997 mBatteryData.removeItem(uid); 1998 return; 1999 } 2000 2001 if (params & kBatteryDataTrackAudio) { 2002 info.audioLastTime += time; 2003 info.refCount --; 2004 } 2005 if (params & kBatteryDataTrackVideo) { 2006 info.videoLastTime += time; 2007 info.refCount --; 2008 } 2009 2010 // no stream is being played by this UID 2011 if (info.refCount == 0) { 2012 info.audioTotalTime += info.audioLastTime; 2013 info.audioLastTime = 0; 2014 info.videoTotalTime += info.videoLastTime; 2015 info.videoLastTime = 0; 2016 } 2017 } 2018} 2019 2020status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 2021 Mutex::Autolock lock(mLock); 2022 2023 // audio output devices usage 2024 int32_t time = systemTime() / 1000000L; //in ms 2025 int32_t totalTime; 2026 2027 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 2028 totalTime = mBatteryAudio.totalTime[i]; 2029 2030 if (mBatteryAudio.deviceOn[i] 2031 && (mBatteryAudio.lastTime[i] != 0)) { 2032 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 2033 totalTime += tmpTime; 2034 } 2035 2036 reply->writeInt32(totalTime); 2037 // reset the total time 2038 mBatteryAudio.totalTime[i] = 0; 2039 } 2040 2041 // codec usage 2042 BatteryUsageInfo info; 2043 int size = mBatteryData.size(); 2044 2045 reply->writeInt32(size); 2046 int i = 0; 2047 2048 while (i < size) { 2049 info = mBatteryData.valueAt(i); 2050 2051 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2052 reply->writeInt32(info.audioTotalTime); 2053 reply->writeInt32(info.videoTotalTime); 2054 2055 info.audioTotalTime = 0; 2056 info.videoTotalTime = 0; 2057 2058 // remove the UID entry where no stream is being played 2059 if (info.refCount <= 0) { 2060 mBatteryData.removeItemsAt(i); 2061 size --; 2062 i --; 2063 } 2064 i++; 2065 } 2066 return NO_ERROR; 2067} 2068} // namespace android 2069