MediaPlayerService.cpp revision 44a7e42f0310831e6a846d1b6bb40bf3a399bf6d
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/SurfaceTextureClient.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/MediaPlayerInterface.h> 48#include <media/mediarecorder.h> 49#include <media/MediaMetadataRetrieverInterface.h> 50#include <media/Metadata.h> 51#include <media/AudioTrack.h> 52#include <media/MemoryLeakTrackUtil.h> 53#include <media/stagefright/MediaErrors.h> 54 55#include <system/audio.h> 56 57#include <private/android_filesystem_config.h> 58 59#include "ActivityManager.h" 60#include "MediaRecorderClient.h" 61#include "MediaPlayerService.h" 62#include "MetadataRetrieverClient.h" 63#include "MediaPlayerFactory.h" 64 65#include "MidiFile.h" 66#include "TestPlayerStub.h" 67#include "StagefrightPlayer.h" 68#include "nuplayer/NuPlayerDriver.h" 69 70#include <OMX.h> 71 72#include "Crypto.h" 73 74namespace { 75using android::media::Metadata; 76using android::status_t; 77using android::OK; 78using android::BAD_VALUE; 79using android::NOT_ENOUGH_DATA; 80using android::Parcel; 81 82// Max number of entries in the filter. 83const int kMaxFilterSize = 64; // I pulled that out of thin air. 84 85// FIXME: Move all the metadata related function in the Metadata.cpp 86 87 88// Unmarshall a filter from a Parcel. 89// Filter format in a parcel: 90// 91// 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 92// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 93// | number of entries (n) | 94// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 95// | metadata type 1 | 96// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 97// | metadata type 2 | 98// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 99// .... 100// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 101// | metadata type n | 102// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 103// 104// @param p Parcel that should start with a filter. 105// @param[out] filter On exit contains the list of metadata type to be 106// filtered. 107// @param[out] status On exit contains the status code to be returned. 108// @return true if the parcel starts with a valid filter. 109bool unmarshallFilter(const Parcel& p, 110 Metadata::Filter *filter, 111 status_t *status) 112{ 113 int32_t val; 114 if (p.readInt32(&val) != OK) 115 { 116 ALOGE("Failed to read filter's length"); 117 *status = NOT_ENOUGH_DATA; 118 return false; 119 } 120 121 if( val > kMaxFilterSize || val < 0) 122 { 123 ALOGE("Invalid filter len %d", val); 124 *status = BAD_VALUE; 125 return false; 126 } 127 128 const size_t num = val; 129 130 filter->clear(); 131 filter->setCapacity(num); 132 133 size_t size = num * sizeof(Metadata::Type); 134 135 136 if (p.dataAvail() < size) 137 { 138 ALOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 139 *status = NOT_ENOUGH_DATA; 140 return false; 141 } 142 143 const Metadata::Type *data = 144 static_cast<const Metadata::Type*>(p.readInplace(size)); 145 146 if (NULL == data) 147 { 148 ALOGE("Filter had no data"); 149 *status = BAD_VALUE; 150 return false; 151 } 152 153 // TODO: The stl impl of vector would be more efficient here 154 // because it degenerates into a memcpy on pod types. Try to 155 // replace later or use stl::set. 156 for (size_t i = 0; i < num; ++i) 157 { 158 filter->add(*data); 159 ++data; 160 } 161 *status = OK; 162 return true; 163} 164 165// @param filter Of metadata type. 166// @param val To be searched. 167// @return true if a match was found. 168bool findMetadata(const Metadata::Filter& filter, const int32_t val) 169{ 170 // Deal with empty and ANY right away 171 if (filter.isEmpty()) return false; 172 if (filter[0] == Metadata::kAny) return true; 173 174 return filter.indexOf(val) >= 0; 175} 176 177} // anonymous namespace 178 179 180namespace android { 181 182static bool checkPermission(const char* permissionString) { 183#ifndef HAVE_ANDROID_OS 184 return true; 185#endif 186 if (getpid() == IPCThreadState::self()->getCallingPid()) return true; 187 bool ok = checkCallingPermission(String16(permissionString)); 188 if (!ok) ALOGE("Request requires %s", permissionString); 189 return ok; 190} 191 192// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 193/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 194/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 195 196void MediaPlayerService::instantiate() { 197 defaultServiceManager()->addService( 198 String16("media.player"), new MediaPlayerService()); 199} 200 201MediaPlayerService::MediaPlayerService() 202{ 203 ALOGV("MediaPlayerService created"); 204 mNextConnId = 1; 205 206 mBatteryAudio.refCount = 0; 207 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 208 mBatteryAudio.deviceOn[i] = 0; 209 mBatteryAudio.lastTime[i] = 0; 210 mBatteryAudio.totalTime[i] = 0; 211 } 212 // speaker is on by default 213 mBatteryAudio.deviceOn[SPEAKER] = 1; 214 215 MediaPlayerFactory::registerBuiltinFactories(); 216} 217 218MediaPlayerService::~MediaPlayerService() 219{ 220 ALOGV("MediaPlayerService destroyed"); 221} 222 223sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) 224{ 225 sp<MediaRecorderClient> recorder = new MediaRecorderClient(this, pid); 226 wp<MediaRecorderClient> w = recorder; 227 Mutex::Autolock lock(mLock); 228 mMediaRecorderClients.add(w); 229 ALOGV("Create new media recorder client from pid %d", pid); 230 return recorder; 231} 232 233void MediaPlayerService::removeMediaRecorderClient(wp<MediaRecorderClient> client) 234{ 235 Mutex::Autolock lock(mLock); 236 mMediaRecorderClients.remove(client); 237 ALOGV("Delete media recorder client"); 238} 239 240sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) 241{ 242 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 243 ALOGV("Create new media retriever from pid %d", pid); 244 return retriever; 245} 246 247sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, 248 int audioSessionId) 249{ 250 int32_t connId = android_atomic_inc(&mNextConnId); 251 252 sp<Client> c = new Client( 253 this, pid, connId, client, audioSessionId, 254 IPCThreadState::self()->getCallingUid()); 255 256 ALOGV("Create new client(%d) from pid %d, uid %d, ", connId, pid, 257 IPCThreadState::self()->getCallingUid()); 258 259 wp<Client> w = c; 260 { 261 Mutex::Autolock lock(mLock); 262 mClients.add(w); 263 } 264 return c; 265} 266 267sp<IOMX> MediaPlayerService::getOMX() { 268 Mutex::Autolock autoLock(mLock); 269 270 if (mOMX.get() == NULL) { 271 mOMX = new OMX; 272 } 273 274 return mOMX; 275} 276 277sp<ICrypto> MediaPlayerService::makeCrypto() { 278 return new Crypto; 279} 280 281status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 282{ 283 const size_t SIZE = 256; 284 char buffer[SIZE]; 285 String8 result; 286 287 result.append(" AudioCache\n"); 288 if (mHeap != 0) { 289 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 290 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 291 result.append(buffer); 292 } 293 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 294 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 295 result.append(buffer); 296 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 297 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 298 result.append(buffer); 299 ::write(fd, result.string(), result.size()); 300 return NO_ERROR; 301} 302 303status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 304{ 305 const size_t SIZE = 256; 306 char buffer[SIZE]; 307 String8 result; 308 309 result.append(" AudioOutput\n"); 310 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 311 mStreamType, mLeftVolume, mRightVolume); 312 result.append(buffer); 313 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 314 mMsecsPerFrame, (mTrack != 0) ? mTrack->latency() : -1); 315 result.append(buffer); 316 snprintf(buffer, 255, " aux effect id(%d), send level (%f)\n", 317 mAuxEffectId, mSendLevel); 318 result.append(buffer); 319 320 ::write(fd, result.string(), result.size()); 321 if (mTrack != 0) { 322 mTrack->dump(fd, args); 323 } 324 return NO_ERROR; 325} 326 327status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 328{ 329 const size_t SIZE = 256; 330 char buffer[SIZE]; 331 String8 result; 332 result.append(" Client\n"); 333 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 334 mPid, mConnId, mStatus, mLoop?"true": "false"); 335 result.append(buffer); 336 write(fd, result.string(), result.size()); 337 if (mPlayer != NULL) { 338 mPlayer->dump(fd, args); 339 } 340 if (mAudioOutput != 0) { 341 mAudioOutput->dump(fd, args); 342 } 343 write(fd, "\n", 1); 344 return NO_ERROR; 345} 346 347status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 348{ 349 const size_t SIZE = 256; 350 char buffer[SIZE]; 351 String8 result; 352 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 353 snprintf(buffer, SIZE, "Permission Denial: " 354 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 355 IPCThreadState::self()->getCallingPid(), 356 IPCThreadState::self()->getCallingUid()); 357 result.append(buffer); 358 } else { 359 Mutex::Autolock lock(mLock); 360 for (int i = 0, n = mClients.size(); i < n; ++i) { 361 sp<Client> c = mClients[i].promote(); 362 if (c != 0) c->dump(fd, args); 363 } 364 if (mMediaRecorderClients.size() == 0) { 365 result.append(" No media recorder client\n\n"); 366 } else { 367 for (int i = 0, n = mMediaRecorderClients.size(); i < n; ++i) { 368 sp<MediaRecorderClient> c = mMediaRecorderClients[i].promote(); 369 if (c != 0) { 370 snprintf(buffer, 255, " MediaRecorderClient pid(%d)\n", c->mPid); 371 result.append(buffer); 372 write(fd, result.string(), result.size()); 373 result = "\n"; 374 c->dump(fd, args); 375 } 376 } 377 } 378 379 result.append(" Files opened and/or mapped:\n"); 380 snprintf(buffer, SIZE, "/proc/%d/maps", gettid()); 381 FILE *f = fopen(buffer, "r"); 382 if (f) { 383 while (!feof(f)) { 384 fgets(buffer, SIZE, f); 385 if (strstr(buffer, " /storage/") || 386 strstr(buffer, " /system/sounds/") || 387 strstr(buffer, " /data/") || 388 strstr(buffer, " /system/media/")) { 389 result.append(" "); 390 result.append(buffer); 391 } 392 } 393 fclose(f); 394 } else { 395 result.append("couldn't open "); 396 result.append(buffer); 397 result.append("\n"); 398 } 399 400 snprintf(buffer, SIZE, "/proc/%d/fd", gettid()); 401 DIR *d = opendir(buffer); 402 if (d) { 403 struct dirent *ent; 404 while((ent = readdir(d)) != NULL) { 405 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 406 snprintf(buffer, SIZE, "/proc/%d/fd/%s", gettid(), ent->d_name); 407 struct stat s; 408 if (lstat(buffer, &s) == 0) { 409 if ((s.st_mode & S_IFMT) == S_IFLNK) { 410 char linkto[256]; 411 int len = readlink(buffer, linkto, sizeof(linkto)); 412 if(len > 0) { 413 if(len > 255) { 414 linkto[252] = '.'; 415 linkto[253] = '.'; 416 linkto[254] = '.'; 417 linkto[255] = 0; 418 } else { 419 linkto[len] = 0; 420 } 421 if (strstr(linkto, "/storage/") == linkto || 422 strstr(linkto, "/system/sounds/") == linkto || 423 strstr(linkto, "/data/") == linkto || 424 strstr(linkto, "/system/media/") == linkto) { 425 result.append(" "); 426 result.append(buffer); 427 result.append(" -> "); 428 result.append(linkto); 429 result.append("\n"); 430 } 431 } 432 } else { 433 result.append(" unexpected type for "); 434 result.append(buffer); 435 result.append("\n"); 436 } 437 } 438 } 439 } 440 closedir(d); 441 } else { 442 result.append("couldn't open "); 443 result.append(buffer); 444 result.append("\n"); 445 } 446 447 bool dumpMem = false; 448 for (size_t i = 0; i < args.size(); i++) { 449 if (args[i] == String16("-m")) { 450 dumpMem = true; 451 } 452 } 453 if (dumpMem) { 454 dumpMemoryAddresses(fd); 455 } 456 } 457 write(fd, result.string(), result.size()); 458 return NO_ERROR; 459} 460 461void MediaPlayerService::removeClient(wp<Client> client) 462{ 463 Mutex::Autolock lock(mLock); 464 mClients.remove(client); 465} 466 467MediaPlayerService::Client::Client( 468 const sp<MediaPlayerService>& service, pid_t pid, 469 int32_t connId, const sp<IMediaPlayerClient>& client, 470 int audioSessionId, uid_t uid) 471{ 472 ALOGV("Client(%d) constructor", connId); 473 mPid = pid; 474 mConnId = connId; 475 mService = service; 476 mClient = client; 477 mLoop = false; 478 mStatus = NO_INIT; 479 mAudioSessionId = audioSessionId; 480 mUID = uid; 481 mRetransmitEndpointValid = false; 482 483#if CALLBACK_ANTAGONIZER 484 ALOGD("create Antagonizer"); 485 mAntagonizer = new Antagonizer(notify, this); 486#endif 487} 488 489MediaPlayerService::Client::~Client() 490{ 491 ALOGV("Client(%d) destructor pid = %d", mConnId, mPid); 492 mAudioOutput.clear(); 493 wp<Client> client(this); 494 disconnect(); 495 mService->removeClient(client); 496} 497 498void MediaPlayerService::Client::disconnect() 499{ 500 ALOGV("disconnect(%d) from pid %d", mConnId, mPid); 501 // grab local reference and clear main reference to prevent future 502 // access to object 503 sp<MediaPlayerBase> p; 504 { 505 Mutex::Autolock l(mLock); 506 p = mPlayer; 507 } 508 mClient.clear(); 509 510 mPlayer.clear(); 511 512 // clear the notification to prevent callbacks to dead client 513 // and reset the player. We assume the player will serialize 514 // access to itself if necessary. 515 if (p != 0) { 516 p->setNotifyCallback(0, 0); 517#if CALLBACK_ANTAGONIZER 518 ALOGD("kill Antagonizer"); 519 mAntagonizer->kill(); 520#endif 521 p->reset(); 522 } 523 524 disconnectNativeWindow(); 525 526 IPCThreadState::self()->flushCommands(); 527} 528 529sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 530{ 531 // determine if we have the right player type 532 sp<MediaPlayerBase> p = mPlayer; 533 if ((p != NULL) && (p->playerType() != playerType)) { 534 ALOGV("delete player"); 535 p.clear(); 536 } 537 if (p == NULL) { 538 p = MediaPlayerFactory::createPlayer(playerType, this, notify); 539 } 540 541 if (p != NULL) { 542 p->setUID(mUID); 543 } 544 545 return p; 546} 547 548sp<MediaPlayerBase> MediaPlayerService::Client::setDataSource_pre( 549 player_type playerType) 550{ 551 ALOGV("player type = %d", playerType); 552 553 // create the right type of player 554 sp<MediaPlayerBase> p = createPlayer(playerType); 555 if (p == NULL) { 556 return p; 557 } 558 559 if (!p->hardwareOutput()) { 560 mAudioOutput = new AudioOutput(mAudioSessionId); 561 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 562 } 563 564 return p; 565} 566 567void MediaPlayerService::Client::setDataSource_post( 568 const sp<MediaPlayerBase>& p, 569 status_t status) 570{ 571 ALOGV(" setDataSource"); 572 mStatus = status; 573 if (mStatus != OK) { 574 ALOGE(" error: %d", mStatus); 575 return; 576 } 577 578 // Set the re-transmission endpoint if one was chosen. 579 if (mRetransmitEndpointValid) { 580 mStatus = p->setRetransmitEndpoint(&mRetransmitEndpoint); 581 if (mStatus != NO_ERROR) { 582 ALOGE("setRetransmitEndpoint error: %d", mStatus); 583 } 584 } 585 586 if (mStatus == OK) { 587 mPlayer = p; 588 } 589} 590 591status_t MediaPlayerService::Client::setDataSource( 592 const char *url, const KeyedVector<String8, String8> *headers) 593{ 594 ALOGV("setDataSource(%s)", url); 595 if (url == NULL) 596 return UNKNOWN_ERROR; 597 598 if ((strncmp(url, "http://", 7) == 0) || 599 (strncmp(url, "https://", 8) == 0) || 600 (strncmp(url, "rtsp://", 7) == 0)) { 601 if (!checkPermission("android.permission.INTERNET")) { 602 return PERMISSION_DENIED; 603 } 604 } 605 606 if (strncmp(url, "content://", 10) == 0) { 607 // get a filedescriptor for the content Uri and 608 // pass it to the setDataSource(fd) method 609 610 String16 url16(url); 611 int fd = android::openContentProviderFile(url16); 612 if (fd < 0) 613 { 614 ALOGE("Couldn't open fd for %s", url); 615 return UNKNOWN_ERROR; 616 } 617 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 618 close(fd); 619 return mStatus; 620 } else { 621 player_type playerType = MediaPlayerFactory::getPlayerType(this, url); 622 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 623 if (p == NULL) { 624 return NO_INIT; 625 } 626 627 setDataSource_post(p, p->setDataSource(url, headers)); 628 return mStatus; 629 } 630} 631 632status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 633{ 634 ALOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 635 struct stat sb; 636 int ret = fstat(fd, &sb); 637 if (ret != 0) { 638 ALOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 639 return UNKNOWN_ERROR; 640 } 641 642 ALOGV("st_dev = %llu", sb.st_dev); 643 ALOGV("st_mode = %u", sb.st_mode); 644 ALOGV("st_uid = %lu", sb.st_uid); 645 ALOGV("st_gid = %lu", sb.st_gid); 646 ALOGV("st_size = %llu", sb.st_size); 647 648 if (offset >= sb.st_size) { 649 ALOGE("offset error"); 650 ::close(fd); 651 return UNKNOWN_ERROR; 652 } 653 if (offset + length > sb.st_size) { 654 length = sb.st_size - offset; 655 ALOGV("calculated length = %lld", length); 656 } 657 658 player_type playerType = MediaPlayerFactory::getPlayerType(this, 659 fd, 660 offset, 661 length); 662 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 663 if (p == NULL) { 664 return NO_INIT; 665 } 666 667 // now set data source 668 setDataSource_post(p, p->setDataSource(fd, offset, length)); 669 return mStatus; 670} 671 672status_t MediaPlayerService::Client::setDataSource( 673 const sp<IStreamSource> &source) { 674 // create the right type of player 675 player_type playerType = MediaPlayerFactory::getPlayerType(this, source); 676 sp<MediaPlayerBase> p = setDataSource_pre(playerType); 677 if (p == NULL) { 678 return NO_INIT; 679 } 680 681 // now set data source 682 setDataSource_post(p, p->setDataSource(source)); 683 return mStatus; 684} 685 686void MediaPlayerService::Client::disconnectNativeWindow() { 687 if (mConnectedWindow != NULL) { 688 status_t err = native_window_api_disconnect(mConnectedWindow.get(), 689 NATIVE_WINDOW_API_MEDIA); 690 691 if (err != OK) { 692 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 693 strerror(-err), err); 694 } 695 } 696 mConnectedWindow.clear(); 697} 698 699status_t MediaPlayerService::Client::setVideoSurfaceTexture( 700 const sp<ISurfaceTexture>& surfaceTexture) 701{ 702 ALOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, surfaceTexture.get()); 703 sp<MediaPlayerBase> p = getPlayer(); 704 if (p == 0) return UNKNOWN_ERROR; 705 706 sp<IBinder> binder(surfaceTexture == NULL ? NULL : 707 surfaceTexture->asBinder()); 708 if (mConnectedWindowBinder == binder) { 709 return OK; 710 } 711 712 sp<ANativeWindow> anw; 713 if (surfaceTexture != NULL) { 714 anw = new SurfaceTextureClient(surfaceTexture); 715 status_t err = native_window_api_connect(anw.get(), 716 NATIVE_WINDOW_API_MEDIA); 717 718 if (err != OK) { 719 ALOGE("setVideoSurfaceTexture failed: %d", err); 720 // Note that we must do the reset before disconnecting from the ANW. 721 // Otherwise queue/dequeue calls could be made on the disconnected 722 // ANW, which may result in errors. 723 reset(); 724 725 disconnectNativeWindow(); 726 727 return err; 728 } 729 } 730 731 // Note that we must set the player's new SurfaceTexture before 732 // disconnecting the old one. Otherwise queue/dequeue calls could be made 733 // on the disconnected ANW, which may result in errors. 734 status_t err = p->setVideoSurfaceTexture(surfaceTexture); 735 736 disconnectNativeWindow(); 737 738 mConnectedWindow = anw; 739 740 if (err == OK) { 741 mConnectedWindowBinder = binder; 742 } else { 743 disconnectNativeWindow(); 744 } 745 746 return err; 747} 748 749status_t MediaPlayerService::Client::invoke(const Parcel& request, 750 Parcel *reply) 751{ 752 sp<MediaPlayerBase> p = getPlayer(); 753 if (p == NULL) return UNKNOWN_ERROR; 754 return p->invoke(request, reply); 755} 756 757// This call doesn't need to access the native player. 758status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 759{ 760 status_t status; 761 media::Metadata::Filter allow, drop; 762 763 if (unmarshallFilter(filter, &allow, &status) && 764 unmarshallFilter(filter, &drop, &status)) { 765 Mutex::Autolock lock(mLock); 766 767 mMetadataAllow = allow; 768 mMetadataDrop = drop; 769 } 770 return status; 771} 772 773status_t MediaPlayerService::Client::getMetadata( 774 bool update_only, bool apply_filter, Parcel *reply) 775{ 776 sp<MediaPlayerBase> player = getPlayer(); 777 if (player == 0) return UNKNOWN_ERROR; 778 779 status_t status; 780 // Placeholder for the return code, updated by the caller. 781 reply->writeInt32(-1); 782 783 media::Metadata::Filter ids; 784 785 // We don't block notifications while we fetch the data. We clear 786 // mMetadataUpdated first so we don't lose notifications happening 787 // during the rest of this call. 788 { 789 Mutex::Autolock lock(mLock); 790 if (update_only) { 791 ids = mMetadataUpdated; 792 } 793 mMetadataUpdated.clear(); 794 } 795 796 media::Metadata metadata(reply); 797 798 metadata.appendHeader(); 799 status = player->getMetadata(ids, reply); 800 801 if (status != OK) { 802 metadata.resetParcel(); 803 ALOGE("getMetadata failed %d", status); 804 return status; 805 } 806 807 // FIXME: Implement filtering on the result. Not critical since 808 // filtering takes place on the update notifications already. This 809 // would be when all the metadata are fetch and a filter is set. 810 811 // Everything is fine, update the metadata length. 812 metadata.updateLength(); 813 return OK; 814} 815 816status_t MediaPlayerService::Client::prepareAsync() 817{ 818 ALOGV("[%d] prepareAsync", mConnId); 819 sp<MediaPlayerBase> p = getPlayer(); 820 if (p == 0) return UNKNOWN_ERROR; 821 status_t ret = p->prepareAsync(); 822#if CALLBACK_ANTAGONIZER 823 ALOGD("start Antagonizer"); 824 if (ret == NO_ERROR) mAntagonizer->start(); 825#endif 826 return ret; 827} 828 829status_t MediaPlayerService::Client::start() 830{ 831 ALOGV("[%d] start", mConnId); 832 sp<MediaPlayerBase> p = getPlayer(); 833 if (p == 0) return UNKNOWN_ERROR; 834 p->setLooping(mLoop); 835 return p->start(); 836} 837 838status_t MediaPlayerService::Client::stop() 839{ 840 ALOGV("[%d] stop", mConnId); 841 sp<MediaPlayerBase> p = getPlayer(); 842 if (p == 0) return UNKNOWN_ERROR; 843 return p->stop(); 844} 845 846status_t MediaPlayerService::Client::pause() 847{ 848 ALOGV("[%d] pause", mConnId); 849 sp<MediaPlayerBase> p = getPlayer(); 850 if (p == 0) return UNKNOWN_ERROR; 851 return p->pause(); 852} 853 854status_t MediaPlayerService::Client::isPlaying(bool* state) 855{ 856 *state = false; 857 sp<MediaPlayerBase> p = getPlayer(); 858 if (p == 0) return UNKNOWN_ERROR; 859 *state = p->isPlaying(); 860 ALOGV("[%d] isPlaying: %d", mConnId, *state); 861 return NO_ERROR; 862} 863 864status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 865{ 866 ALOGV("getCurrentPosition"); 867 sp<MediaPlayerBase> p = getPlayer(); 868 if (p == 0) return UNKNOWN_ERROR; 869 status_t ret = p->getCurrentPosition(msec); 870 if (ret == NO_ERROR) { 871 ALOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 872 } else { 873 ALOGE("getCurrentPosition returned %d", ret); 874 } 875 return ret; 876} 877 878status_t MediaPlayerService::Client::getDuration(int *msec) 879{ 880 ALOGV("getDuration"); 881 sp<MediaPlayerBase> p = getPlayer(); 882 if (p == 0) return UNKNOWN_ERROR; 883 status_t ret = p->getDuration(msec); 884 if (ret == NO_ERROR) { 885 ALOGV("[%d] getDuration = %d", mConnId, *msec); 886 } else { 887 ALOGE("getDuration returned %d", ret); 888 } 889 return ret; 890} 891 892status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& player) { 893 ALOGV("setNextPlayer"); 894 Mutex::Autolock l(mLock); 895 sp<Client> c = static_cast<Client*>(player.get()); 896 mNextClient = c; 897 if (mAudioOutput != NULL && c != NULL) { 898 mAudioOutput->setNextOutput(c->mAudioOutput); 899 } else { 900 ALOGE("no current audio output"); 901 } 902 return OK; 903} 904 905 906status_t MediaPlayerService::Client::seekTo(int msec) 907{ 908 ALOGV("[%d] seekTo(%d)", mConnId, msec); 909 sp<MediaPlayerBase> p = getPlayer(); 910 if (p == 0) return UNKNOWN_ERROR; 911 return p->seekTo(msec); 912} 913 914status_t MediaPlayerService::Client::reset() 915{ 916 ALOGV("[%d] reset", mConnId); 917 mRetransmitEndpointValid = false; 918 sp<MediaPlayerBase> p = getPlayer(); 919 if (p == 0) return UNKNOWN_ERROR; 920 return p->reset(); 921} 922 923status_t MediaPlayerService::Client::setAudioStreamType(audio_stream_type_t type) 924{ 925 ALOGV("[%d] setAudioStreamType(%d)", mConnId, type); 926 // TODO: for hardware output, call player instead 927 Mutex::Autolock l(mLock); 928 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 929 return NO_ERROR; 930} 931 932status_t MediaPlayerService::Client::setLooping(int loop) 933{ 934 ALOGV("[%d] setLooping(%d)", mConnId, loop); 935 mLoop = loop; 936 sp<MediaPlayerBase> p = getPlayer(); 937 if (p != 0) return p->setLooping(loop); 938 return NO_ERROR; 939} 940 941status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 942{ 943 ALOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 944 945 // for hardware output, call player instead 946 sp<MediaPlayerBase> p = getPlayer(); 947 { 948 Mutex::Autolock l(mLock); 949 if (p != 0 && p->hardwareOutput()) { 950 MediaPlayerHWInterface* hwp = 951 reinterpret_cast<MediaPlayerHWInterface*>(p.get()); 952 return hwp->setVolume(leftVolume, rightVolume); 953 } else { 954 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 955 return NO_ERROR; 956 } 957 } 958 959 return NO_ERROR; 960} 961 962status_t MediaPlayerService::Client::setAuxEffectSendLevel(float level) 963{ 964 ALOGV("[%d] setAuxEffectSendLevel(%f)", mConnId, level); 965 Mutex::Autolock l(mLock); 966 if (mAudioOutput != 0) return mAudioOutput->setAuxEffectSendLevel(level); 967 return NO_ERROR; 968} 969 970status_t MediaPlayerService::Client::attachAuxEffect(int effectId) 971{ 972 ALOGV("[%d] attachAuxEffect(%d)", mConnId, effectId); 973 Mutex::Autolock l(mLock); 974 if (mAudioOutput != 0) return mAudioOutput->attachAuxEffect(effectId); 975 return NO_ERROR; 976} 977 978status_t MediaPlayerService::Client::setParameter(int key, const Parcel &request) { 979 ALOGV("[%d] setParameter(%d)", mConnId, key); 980 sp<MediaPlayerBase> p = getPlayer(); 981 if (p == 0) return UNKNOWN_ERROR; 982 return p->setParameter(key, request); 983} 984 985status_t MediaPlayerService::Client::getParameter(int key, Parcel *reply) { 986 ALOGV("[%d] getParameter(%d)", mConnId, key); 987 sp<MediaPlayerBase> p = getPlayer(); 988 if (p == 0) return UNKNOWN_ERROR; 989 return p->getParameter(key, reply); 990} 991 992status_t MediaPlayerService::Client::setRetransmitEndpoint( 993 const struct sockaddr_in* endpoint) { 994 995 if (NULL != endpoint) { 996 uint32_t a = ntohl(endpoint->sin_addr.s_addr); 997 uint16_t p = ntohs(endpoint->sin_port); 998 ALOGV("[%d] setRetransmitEndpoint(%u.%u.%u.%u:%hu)", mConnId, 999 (a >> 24), (a >> 16) & 0xFF, (a >> 8) & 0xFF, (a & 0xFF), p); 1000 } else { 1001 ALOGV("[%d] setRetransmitEndpoint = <none>", mConnId); 1002 } 1003 1004 sp<MediaPlayerBase> p = getPlayer(); 1005 1006 // Right now, the only valid time to set a retransmit endpoint is before 1007 // player selection has been made (since the presence or absence of a 1008 // retransmit endpoint is going to determine which player is selected during 1009 // setDataSource). 1010 if (p != 0) return INVALID_OPERATION; 1011 1012 if (NULL != endpoint) { 1013 mRetransmitEndpoint = *endpoint; 1014 mRetransmitEndpointValid = true; 1015 } else { 1016 mRetransmitEndpointValid = false; 1017 } 1018 1019 return NO_ERROR; 1020} 1021 1022status_t MediaPlayerService::Client::getRetransmitEndpoint( 1023 struct sockaddr_in* endpoint) 1024{ 1025 if (NULL == endpoint) 1026 return BAD_VALUE; 1027 1028 sp<MediaPlayerBase> p = getPlayer(); 1029 1030 if (p != NULL) 1031 return p->getRetransmitEndpoint(endpoint); 1032 1033 if (!mRetransmitEndpointValid) 1034 return NO_INIT; 1035 1036 *endpoint = mRetransmitEndpoint; 1037 1038 return NO_ERROR; 1039} 1040 1041void MediaPlayerService::Client::notify( 1042 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1043{ 1044 Client* client = static_cast<Client*>(cookie); 1045 1046 { 1047 Mutex::Autolock l(client->mLock); 1048 if (msg == MEDIA_PLAYBACK_COMPLETE && client->mNextClient != NULL) { 1049 client->mAudioOutput->switchToNextOutput(); 1050 client->mNextClient->start(); 1051 client->mNextClient->mClient->notify(MEDIA_INFO, MEDIA_INFO_STARTED_AS_NEXT, 0, obj); 1052 } 1053 } 1054 1055 if (MEDIA_INFO == msg && 1056 MEDIA_INFO_METADATA_UPDATE == ext1) { 1057 const media::Metadata::Type metadata_type = ext2; 1058 1059 if(client->shouldDropMetadata(metadata_type)) { 1060 return; 1061 } 1062 1063 // Update the list of metadata that have changed. getMetadata 1064 // also access mMetadataUpdated and clears it. 1065 client->addNewMetadataUpdate(metadata_type); 1066 } 1067 ALOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1068 client->mClient->notify(msg, ext1, ext2, obj); 1069} 1070 1071 1072bool MediaPlayerService::Client::shouldDropMetadata(media::Metadata::Type code) const 1073{ 1074 Mutex::Autolock lock(mLock); 1075 1076 if (findMetadata(mMetadataDrop, code)) { 1077 return true; 1078 } 1079 1080 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1081 return false; 1082 } else { 1083 return true; 1084 } 1085} 1086 1087 1088void MediaPlayerService::Client::addNewMetadataUpdate(media::Metadata::Type metadata_type) { 1089 Mutex::Autolock lock(mLock); 1090 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1091 mMetadataUpdated.add(metadata_type); 1092 } 1093} 1094 1095#if CALLBACK_ANTAGONIZER 1096const int Antagonizer::interval = 10000; // 10 msecs 1097 1098Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1099 mExit(false), mActive(false), mClient(client), mCb(cb) 1100{ 1101 createThread(callbackThread, this); 1102} 1103 1104void Antagonizer::kill() 1105{ 1106 Mutex::Autolock _l(mLock); 1107 mActive = false; 1108 mExit = true; 1109 mCondition.wait(mLock); 1110} 1111 1112int Antagonizer::callbackThread(void* user) 1113{ 1114 ALOGD("Antagonizer started"); 1115 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1116 while (!p->mExit) { 1117 if (p->mActive) { 1118 ALOGV("send event"); 1119 p->mCb(p->mClient, 0, 0, 0); 1120 } 1121 usleep(interval); 1122 } 1123 Mutex::Autolock _l(p->mLock); 1124 p->mCondition.signal(); 1125 ALOGD("Antagonizer stopped"); 1126 return 0; 1127} 1128#endif 1129 1130static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1131 1132sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) 1133{ 1134 ALOGV("decode(%s)", url); 1135 sp<MemoryBase> mem; 1136 sp<MediaPlayerBase> player; 1137 1138 // Protect our precious, precious DRMd ringtones by only allowing 1139 // decoding of http, but not filesystem paths or content Uris. 1140 // If the application wants to decode those, it should open a 1141 // filedescriptor for them and use that. 1142 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1143 ALOGD("Can't decode %s by path, use filedescriptor instead", url); 1144 return mem; 1145 } 1146 1147 player_type playerType = 1148 MediaPlayerFactory::getPlayerType(NULL /* client */, url); 1149 ALOGV("player type = %d", playerType); 1150 1151 // create the right type of player 1152 sp<AudioCache> cache = new AudioCache(url); 1153 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1154 if (player == NULL) goto Exit; 1155 if (player->hardwareOutput()) goto Exit; 1156 1157 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1158 1159 // set data source 1160 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1161 1162 ALOGV("prepare"); 1163 player->prepareAsync(); 1164 1165 ALOGV("wait for prepare"); 1166 if (cache->wait() != NO_ERROR) goto Exit; 1167 1168 ALOGV("start"); 1169 player->start(); 1170 1171 ALOGV("wait for playback complete"); 1172 cache->wait(); 1173 // in case of error, return what was successfully decoded. 1174 if (cache->size() == 0) { 1175 goto Exit; 1176 } 1177 1178 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1179 *pSampleRate = cache->sampleRate(); 1180 *pNumChannels = cache->channelCount(); 1181 *pFormat = cache->format(); 1182 ALOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1183 1184Exit: 1185 if (player != 0) player->reset(); 1186 return mem; 1187} 1188 1189sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) 1190{ 1191 ALOGV("decode(%d, %lld, %lld)", fd, offset, length); 1192 sp<MemoryBase> mem; 1193 sp<MediaPlayerBase> player; 1194 1195 player_type playerType = MediaPlayerFactory::getPlayerType(NULL /* client */, 1196 fd, 1197 offset, 1198 length); 1199 ALOGV("player type = %d", playerType); 1200 1201 // create the right type of player 1202 sp<AudioCache> cache = new AudioCache("decode_fd"); 1203 player = MediaPlayerFactory::createPlayer(playerType, cache.get(), cache->notify); 1204 if (player == NULL) goto Exit; 1205 if (player->hardwareOutput()) goto Exit; 1206 1207 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1208 1209 // set data source 1210 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1211 1212 ALOGV("prepare"); 1213 player->prepareAsync(); 1214 1215 ALOGV("wait for prepare"); 1216 if (cache->wait() != NO_ERROR) goto Exit; 1217 1218 ALOGV("start"); 1219 player->start(); 1220 1221 ALOGV("wait for playback complete"); 1222 cache->wait(); 1223 // in case of error, return what was successfully decoded. 1224 if (cache->size() == 0) { 1225 goto Exit; 1226 } 1227 1228 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1229 *pSampleRate = cache->sampleRate(); 1230 *pNumChannels = cache->channelCount(); 1231 *pFormat = cache->format(); 1232 ALOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1233 1234Exit: 1235 if (player != 0) player->reset(); 1236 ::close(fd); 1237 return mem; 1238} 1239 1240 1241#undef LOG_TAG 1242#define LOG_TAG "AudioSink" 1243MediaPlayerService::AudioOutput::AudioOutput(int sessionId) 1244 : mCallback(NULL), 1245 mCallbackCookie(NULL), 1246 mCallbackData(NULL), 1247 mBytesWritten(0), 1248 mSessionId(sessionId), 1249 mFlags(AUDIO_OUTPUT_FLAG_NONE) { 1250 ALOGV("AudioOutput(%d)", sessionId); 1251 mTrack = 0; 1252 mRecycledTrack = 0; 1253 mStreamType = AUDIO_STREAM_MUSIC; 1254 mLeftVolume = 1.0; 1255 mRightVolume = 1.0; 1256 mPlaybackRatePermille = 1000; 1257 mSampleRateHz = 0; 1258 mMsecsPerFrame = 0; 1259 mAuxEffectId = 0; 1260 mSendLevel = 0.0; 1261 setMinBufferCount(); 1262} 1263 1264MediaPlayerService::AudioOutput::~AudioOutput() 1265{ 1266 close(); 1267 delete mRecycledTrack; 1268 delete mCallbackData; 1269} 1270 1271void MediaPlayerService::AudioOutput::setMinBufferCount() 1272{ 1273 char value[PROPERTY_VALUE_MAX]; 1274 if (property_get("ro.kernel.qemu", value, 0)) { 1275 mIsOnEmulator = true; 1276 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1277 } 1278} 1279 1280bool MediaPlayerService::AudioOutput::isOnEmulator() 1281{ 1282 setMinBufferCount(); 1283 return mIsOnEmulator; 1284} 1285 1286int MediaPlayerService::AudioOutput::getMinBufferCount() 1287{ 1288 setMinBufferCount(); 1289 return mMinBufferCount; 1290} 1291 1292ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1293{ 1294 if (mTrack == 0) return NO_INIT; 1295 return mTrack->frameCount() * frameSize(); 1296} 1297 1298ssize_t MediaPlayerService::AudioOutput::frameCount() const 1299{ 1300 if (mTrack == 0) return NO_INIT; 1301 return mTrack->frameCount(); 1302} 1303 1304ssize_t MediaPlayerService::AudioOutput::channelCount() const 1305{ 1306 if (mTrack == 0) return NO_INIT; 1307 return mTrack->channelCount(); 1308} 1309 1310ssize_t MediaPlayerService::AudioOutput::frameSize() const 1311{ 1312 if (mTrack == 0) return NO_INIT; 1313 return mTrack->frameSize(); 1314} 1315 1316uint32_t MediaPlayerService::AudioOutput::latency () const 1317{ 1318 if (mTrack == 0) return 0; 1319 return mTrack->latency(); 1320} 1321 1322float MediaPlayerService::AudioOutput::msecsPerFrame() const 1323{ 1324 return mMsecsPerFrame; 1325} 1326 1327status_t MediaPlayerService::AudioOutput::getPosition(uint32_t *position) const 1328{ 1329 if (mTrack == 0) return NO_INIT; 1330 return mTrack->getPosition(position); 1331} 1332 1333status_t MediaPlayerService::AudioOutput::getFramesWritten(uint32_t *frameswritten) const 1334{ 1335 if (mTrack == 0) return NO_INIT; 1336 *frameswritten = mBytesWritten / frameSize(); 1337 return OK; 1338} 1339 1340status_t MediaPlayerService::AudioOutput::open( 1341 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1342 audio_format_t format, int bufferCount, 1343 AudioCallback cb, void *cookie, 1344 audio_output_flags_t flags) 1345{ 1346 mCallback = cb; 1347 mCallbackCookie = cookie; 1348 1349 // Check argument "bufferCount" against the mininum buffer count 1350 if (bufferCount < mMinBufferCount) { 1351 ALOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1352 bufferCount = mMinBufferCount; 1353 1354 } 1355 ALOGV("open(%u, %d, 0x%x, %d, %d, %d)", sampleRate, channelCount, channelMask, 1356 format, bufferCount, mSessionId); 1357 int afSampleRate; 1358 int afFrameCount; 1359 uint32_t frameCount; 1360 1361 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1362 return NO_INIT; 1363 } 1364 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1365 return NO_INIT; 1366 } 1367 1368 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1369 1370 if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) { 1371 channelMask = audio_channel_out_mask_from_count(channelCount); 1372 if (0 == channelMask) { 1373 ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount); 1374 return NO_INIT; 1375 } 1376 } 1377 1378 AudioTrack *t; 1379 CallbackData *newcbd = NULL; 1380 if (mCallback != NULL) { 1381 newcbd = new CallbackData(this); 1382 t = new AudioTrack( 1383 mStreamType, 1384 sampleRate, 1385 format, 1386 channelMask, 1387 frameCount, 1388 flags, 1389 CallbackWrapper, 1390 newcbd, 1391 0, // notification frames 1392 mSessionId); 1393 } else { 1394 t = new AudioTrack( 1395 mStreamType, 1396 sampleRate, 1397 format, 1398 channelMask, 1399 frameCount, 1400 flags, 1401 NULL, 1402 NULL, 1403 0, 1404 mSessionId); 1405 } 1406 1407 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1408 ALOGE("Unable to create audio track"); 1409 delete t; 1410 delete newcbd; 1411 return NO_INIT; 1412 } 1413 1414 1415 if (mRecycledTrack) { 1416 // check if the existing track can be reused as-is, or if a new track needs to be created. 1417 1418 bool reuse = true; 1419 if ((mCallbackData == NULL && mCallback != NULL) || 1420 (mCallbackData != NULL && mCallback == NULL)) { 1421 // recycled track uses callbacks but the caller wants to use writes, or vice versa 1422 ALOGV("can't chain callback and write"); 1423 reuse = false; 1424 } else if ((mRecycledTrack->getSampleRate() != sampleRate) || 1425 (mRecycledTrack->channelCount() != channelCount) || 1426 (mRecycledTrack->frameCount() != t->frameCount())) { 1427 ALOGV("samplerate, channelcount or framecount differ: %d/%d Hz, %d/%d ch, %d/%d frames", 1428 mRecycledTrack->getSampleRate(), sampleRate, 1429 mRecycledTrack->channelCount(), channelCount, 1430 mRecycledTrack->frameCount(), t->frameCount()); 1431 reuse = false; 1432 } else if (flags != mFlags) { 1433 ALOGV("output flags differ %08x/%08x", flags, mFlags); 1434 reuse = false; 1435 } 1436 if (reuse) { 1437 ALOGV("chaining to next output"); 1438 close(); 1439 mTrack = mRecycledTrack; 1440 mRecycledTrack = NULL; 1441 if (mCallbackData != NULL) { 1442 mCallbackData->setOutput(this); 1443 } 1444 delete t; 1445 delete newcbd; 1446 return OK; 1447 } 1448 1449 // if we're not going to reuse the track, unblock and flush it 1450 if (mCallbackData != NULL) { 1451 mCallbackData->setOutput(NULL); 1452 mCallbackData->endTrackSwitch(); 1453 } 1454 mRecycledTrack->flush(); 1455 delete mRecycledTrack; 1456 mRecycledTrack = NULL; 1457 delete mCallbackData; 1458 mCallbackData = NULL; 1459 close(); 1460 } 1461 1462 mCallbackData = newcbd; 1463 ALOGV("setVolume"); 1464 t->setVolume(mLeftVolume, mRightVolume); 1465 1466 mSampleRateHz = sampleRate; 1467 mFlags = flags; 1468 mMsecsPerFrame = mPlaybackRatePermille / (float) sampleRate; 1469 uint32_t pos; 1470 if (t->getPosition(&pos) == OK) { 1471 mBytesWritten = uint64_t(pos) * t->frameSize(); 1472 } 1473 mTrack = t; 1474 1475 status_t res = t->setSampleRate(mPlaybackRatePermille * mSampleRateHz / 1000); 1476 if (res != NO_ERROR) { 1477 return res; 1478 } 1479 t->setAuxEffectSendLevel(mSendLevel); 1480 return t->attachAuxEffect(mAuxEffectId);; 1481} 1482 1483void MediaPlayerService::AudioOutput::start() 1484{ 1485 ALOGV("start"); 1486 if (mCallbackData != NULL) { 1487 mCallbackData->endTrackSwitch(); 1488 } 1489 if (mTrack) { 1490 mTrack->setVolume(mLeftVolume, mRightVolume); 1491 mTrack->setAuxEffectSendLevel(mSendLevel); 1492 mTrack->start(); 1493 } 1494} 1495 1496void MediaPlayerService::AudioOutput::setNextOutput(const sp<AudioOutput>& nextOutput) { 1497 mNextOutput = nextOutput; 1498} 1499 1500 1501void MediaPlayerService::AudioOutput::switchToNextOutput() { 1502 ALOGV("switchToNextOutput"); 1503 if (mNextOutput != NULL) { 1504 if (mCallbackData != NULL) { 1505 mCallbackData->beginTrackSwitch(); 1506 } 1507 delete mNextOutput->mCallbackData; 1508 mNextOutput->mCallbackData = mCallbackData; 1509 mCallbackData = NULL; 1510 mNextOutput->mRecycledTrack = mTrack; 1511 mTrack = NULL; 1512 mNextOutput->mSampleRateHz = mSampleRateHz; 1513 mNextOutput->mMsecsPerFrame = mMsecsPerFrame; 1514 mNextOutput->mBytesWritten = mBytesWritten; 1515 mNextOutput->mFlags = mFlags; 1516 } 1517} 1518 1519ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1520{ 1521 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1522 1523 //ALOGV("write(%p, %u)", buffer, size); 1524 if (mTrack) { 1525 ssize_t ret = mTrack->write(buffer, size); 1526 mBytesWritten += ret; 1527 return ret; 1528 } 1529 return NO_INIT; 1530} 1531 1532void MediaPlayerService::AudioOutput::stop() 1533{ 1534 ALOGV("stop"); 1535 if (mTrack) mTrack->stop(); 1536} 1537 1538void MediaPlayerService::AudioOutput::flush() 1539{ 1540 ALOGV("flush"); 1541 if (mTrack) mTrack->flush(); 1542} 1543 1544void MediaPlayerService::AudioOutput::pause() 1545{ 1546 ALOGV("pause"); 1547 if (mTrack) mTrack->pause(); 1548} 1549 1550void MediaPlayerService::AudioOutput::close() 1551{ 1552 ALOGV("close"); 1553 delete mTrack; 1554 mTrack = 0; 1555} 1556 1557void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1558{ 1559 ALOGV("setVolume(%f, %f)", left, right); 1560 mLeftVolume = left; 1561 mRightVolume = right; 1562 if (mTrack) { 1563 mTrack->setVolume(left, right); 1564 } 1565} 1566 1567status_t MediaPlayerService::AudioOutput::setPlaybackRatePermille(int32_t ratePermille) 1568{ 1569 ALOGV("setPlaybackRatePermille(%d)", ratePermille); 1570 status_t res = NO_ERROR; 1571 if (mTrack) { 1572 res = mTrack->setSampleRate(ratePermille * mSampleRateHz / 1000); 1573 } else { 1574 res = NO_INIT; 1575 } 1576 mPlaybackRatePermille = ratePermille; 1577 if (mSampleRateHz != 0) { 1578 mMsecsPerFrame = mPlaybackRatePermille / (float) mSampleRateHz; 1579 } 1580 return res; 1581} 1582 1583status_t MediaPlayerService::AudioOutput::setAuxEffectSendLevel(float level) 1584{ 1585 ALOGV("setAuxEffectSendLevel(%f)", level); 1586 mSendLevel = level; 1587 if (mTrack) { 1588 return mTrack->setAuxEffectSendLevel(level); 1589 } 1590 return NO_ERROR; 1591} 1592 1593status_t MediaPlayerService::AudioOutput::attachAuxEffect(int effectId) 1594{ 1595 ALOGV("attachAuxEffect(%d)", effectId); 1596 mAuxEffectId = effectId; 1597 if (mTrack) { 1598 return mTrack->attachAuxEffect(effectId); 1599 } 1600 return NO_ERROR; 1601} 1602 1603// static 1604void MediaPlayerService::AudioOutput::CallbackWrapper( 1605 int event, void *cookie, void *info) { 1606 //ALOGV("callbackwrapper"); 1607 if (event != AudioTrack::EVENT_MORE_DATA) { 1608 return; 1609 } 1610 1611 CallbackData *data = (CallbackData*)cookie; 1612 data->lock(); 1613 AudioOutput *me = data->getOutput(); 1614 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1615 if (me == NULL) { 1616 // no output set, likely because the track was scheduled to be reused 1617 // by another player, but the format turned out to be incompatible. 1618 data->unlock(); 1619 buffer->size = 0; 1620 return; 1621 } 1622 1623 size_t actualSize = (*me->mCallback)( 1624 me, buffer->raw, buffer->size, me->mCallbackCookie); 1625 1626 if (actualSize == 0 && buffer->size > 0 && me->mNextOutput == NULL) { 1627 // We've reached EOS but the audio track is not stopped yet, 1628 // keep playing silence. 1629 1630 memset(buffer->raw, 0, buffer->size); 1631 actualSize = buffer->size; 1632 } 1633 1634 buffer->size = actualSize; 1635 data->unlock(); 1636} 1637 1638int MediaPlayerService::AudioOutput::getSessionId() const 1639{ 1640 return mSessionId; 1641} 1642 1643#undef LOG_TAG 1644#define LOG_TAG "AudioCache" 1645MediaPlayerService::AudioCache::AudioCache(const char* name) : 1646 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1647 mError(NO_ERROR), mCommandComplete(false) 1648{ 1649 // create ashmem heap 1650 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1651} 1652 1653uint32_t MediaPlayerService::AudioCache::latency () const 1654{ 1655 return 0; 1656} 1657 1658float MediaPlayerService::AudioCache::msecsPerFrame() const 1659{ 1660 return mMsecsPerFrame; 1661} 1662 1663status_t MediaPlayerService::AudioCache::getPosition(uint32_t *position) const 1664{ 1665 if (position == 0) return BAD_VALUE; 1666 *position = mSize; 1667 return NO_ERROR; 1668} 1669 1670status_t MediaPlayerService::AudioCache::getFramesWritten(uint32_t *written) const 1671{ 1672 if (written == 0) return BAD_VALUE; 1673 *written = mSize; 1674 return NO_ERROR; 1675} 1676 1677//////////////////////////////////////////////////////////////////////////////// 1678 1679struct CallbackThread : public Thread { 1680 CallbackThread(const wp<MediaPlayerBase::AudioSink> &sink, 1681 MediaPlayerBase::AudioSink::AudioCallback cb, 1682 void *cookie); 1683 1684protected: 1685 virtual ~CallbackThread(); 1686 1687 virtual bool threadLoop(); 1688 1689private: 1690 wp<MediaPlayerBase::AudioSink> mSink; 1691 MediaPlayerBase::AudioSink::AudioCallback mCallback; 1692 void *mCookie; 1693 void *mBuffer; 1694 size_t mBufferSize; 1695 1696 CallbackThread(const CallbackThread &); 1697 CallbackThread &operator=(const CallbackThread &); 1698}; 1699 1700CallbackThread::CallbackThread( 1701 const wp<MediaPlayerBase::AudioSink> &sink, 1702 MediaPlayerBase::AudioSink::AudioCallback cb, 1703 void *cookie) 1704 : mSink(sink), 1705 mCallback(cb), 1706 mCookie(cookie), 1707 mBuffer(NULL), 1708 mBufferSize(0) { 1709} 1710 1711CallbackThread::~CallbackThread() { 1712 if (mBuffer) { 1713 free(mBuffer); 1714 mBuffer = NULL; 1715 } 1716} 1717 1718bool CallbackThread::threadLoop() { 1719 sp<MediaPlayerBase::AudioSink> sink = mSink.promote(); 1720 if (sink == NULL) { 1721 return false; 1722 } 1723 1724 if (mBuffer == NULL) { 1725 mBufferSize = sink->bufferSize(); 1726 mBuffer = malloc(mBufferSize); 1727 } 1728 1729 size_t actualSize = 1730 (*mCallback)(sink.get(), mBuffer, mBufferSize, mCookie); 1731 1732 if (actualSize > 0) { 1733 sink->write(mBuffer, actualSize); 1734 } 1735 1736 return true; 1737} 1738 1739//////////////////////////////////////////////////////////////////////////////// 1740 1741status_t MediaPlayerService::AudioCache::open( 1742 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 1743 audio_format_t format, int bufferCount, 1744 AudioCallback cb, void *cookie, audio_output_flags_t flags) 1745{ 1746 ALOGV("open(%u, %d, 0x%x, %d, %d)", sampleRate, channelCount, channelMask, format, bufferCount); 1747 if (mHeap->getHeapID() < 0) { 1748 return NO_INIT; 1749 } 1750 1751 mSampleRate = sampleRate; 1752 mChannelCount = (uint16_t)channelCount; 1753 mFormat = format; 1754 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1755 1756 if (cb != NULL) { 1757 mCallbackThread = new CallbackThread(this, cb, cookie); 1758 } 1759 return NO_ERROR; 1760} 1761 1762void MediaPlayerService::AudioCache::start() { 1763 if (mCallbackThread != NULL) { 1764 mCallbackThread->run("AudioCache callback"); 1765 } 1766} 1767 1768void MediaPlayerService::AudioCache::stop() { 1769 if (mCallbackThread != NULL) { 1770 mCallbackThread->requestExitAndWait(); 1771 } 1772} 1773 1774ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1775{ 1776 ALOGV("write(%p, %u)", buffer, size); 1777 if ((buffer == 0) || (size == 0)) return size; 1778 1779 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1780 if (p == NULL) return NO_INIT; 1781 p += mSize; 1782 ALOGV("memcpy(%p, %p, %u)", p, buffer, size); 1783 if (mSize + size > mHeap->getSize()) { 1784 ALOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1785 size = mHeap->getSize() - mSize; 1786 } 1787 memcpy(p, buffer, size); 1788 mSize += size; 1789 return size; 1790} 1791 1792// call with lock held 1793status_t MediaPlayerService::AudioCache::wait() 1794{ 1795 Mutex::Autolock lock(mLock); 1796 while (!mCommandComplete) { 1797 mSignal.wait(mLock); 1798 } 1799 mCommandComplete = false; 1800 1801 if (mError == NO_ERROR) { 1802 ALOGV("wait - success"); 1803 } else { 1804 ALOGV("wait - error"); 1805 } 1806 return mError; 1807} 1808 1809void MediaPlayerService::AudioCache::notify( 1810 void* cookie, int msg, int ext1, int ext2, const Parcel *obj) 1811{ 1812 ALOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1813 AudioCache* p = static_cast<AudioCache*>(cookie); 1814 1815 // ignore buffering messages 1816 switch (msg) 1817 { 1818 case MEDIA_ERROR: 1819 ALOGE("Error %d, %d occurred", ext1, ext2); 1820 p->mError = ext1; 1821 break; 1822 case MEDIA_PREPARED: 1823 ALOGV("prepared"); 1824 break; 1825 case MEDIA_PLAYBACK_COMPLETE: 1826 ALOGV("playback complete"); 1827 break; 1828 default: 1829 ALOGV("ignored"); 1830 return; 1831 } 1832 1833 // wake up thread 1834 Mutex::Autolock lock(p->mLock); 1835 p->mCommandComplete = true; 1836 p->mSignal.signal(); 1837} 1838 1839int MediaPlayerService::AudioCache::getSessionId() const 1840{ 1841 return 0; 1842} 1843 1844void MediaPlayerService::addBatteryData(uint32_t params) 1845{ 1846 Mutex::Autolock lock(mLock); 1847 1848 int32_t time = systemTime() / 1000000L; 1849 1850 // change audio output devices. This notification comes from AudioFlinger 1851 if ((params & kBatteryDataSpeakerOn) 1852 || (params & kBatteryDataOtherAudioDeviceOn)) { 1853 1854 int deviceOn[NUM_AUDIO_DEVICES]; 1855 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1856 deviceOn[i] = 0; 1857 } 1858 1859 if ((params & kBatteryDataSpeakerOn) 1860 && (params & kBatteryDataOtherAudioDeviceOn)) { 1861 deviceOn[SPEAKER_AND_OTHER] = 1; 1862 } else if (params & kBatteryDataSpeakerOn) { 1863 deviceOn[SPEAKER] = 1; 1864 } else { 1865 deviceOn[OTHER_AUDIO_DEVICE] = 1; 1866 } 1867 1868 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1869 if (mBatteryAudio.deviceOn[i] != deviceOn[i]){ 1870 1871 if (mBatteryAudio.refCount > 0) { // if playing audio 1872 if (!deviceOn[i]) { 1873 mBatteryAudio.lastTime[i] += time; 1874 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1875 mBatteryAudio.lastTime[i] = 0; 1876 } else { 1877 mBatteryAudio.lastTime[i] = 0 - time; 1878 } 1879 } 1880 1881 mBatteryAudio.deviceOn[i] = deviceOn[i]; 1882 } 1883 } 1884 return; 1885 } 1886 1887 // an sudio stream is started 1888 if (params & kBatteryDataAudioFlingerStart) { 1889 // record the start time only if currently no other audio 1890 // is being played 1891 if (mBatteryAudio.refCount == 0) { 1892 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1893 if (mBatteryAudio.deviceOn[i]) { 1894 mBatteryAudio.lastTime[i] -= time; 1895 } 1896 } 1897 } 1898 1899 mBatteryAudio.refCount ++; 1900 return; 1901 1902 } else if (params & kBatteryDataAudioFlingerStop) { 1903 if (mBatteryAudio.refCount <= 0) { 1904 ALOGW("Battery track warning: refCount is <= 0"); 1905 return; 1906 } 1907 1908 // record the stop time only if currently this is the only 1909 // audio being played 1910 if (mBatteryAudio.refCount == 1) { 1911 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1912 if (mBatteryAudio.deviceOn[i]) { 1913 mBatteryAudio.lastTime[i] += time; 1914 mBatteryAudio.totalTime[i] += mBatteryAudio.lastTime[i]; 1915 mBatteryAudio.lastTime[i] = 0; 1916 } 1917 } 1918 } 1919 1920 mBatteryAudio.refCount --; 1921 return; 1922 } 1923 1924 int uid = IPCThreadState::self()->getCallingUid(); 1925 if (uid == AID_MEDIA) { 1926 return; 1927 } 1928 int index = mBatteryData.indexOfKey(uid); 1929 1930 if (index < 0) { // create a new entry for this UID 1931 BatteryUsageInfo info; 1932 info.audioTotalTime = 0; 1933 info.videoTotalTime = 0; 1934 info.audioLastTime = 0; 1935 info.videoLastTime = 0; 1936 info.refCount = 0; 1937 1938 if (mBatteryData.add(uid, info) == NO_MEMORY) { 1939 ALOGE("Battery track error: no memory for new app"); 1940 return; 1941 } 1942 } 1943 1944 BatteryUsageInfo &info = mBatteryData.editValueFor(uid); 1945 1946 if (params & kBatteryDataCodecStarted) { 1947 if (params & kBatteryDataTrackAudio) { 1948 info.audioLastTime -= time; 1949 info.refCount ++; 1950 } 1951 if (params & kBatteryDataTrackVideo) { 1952 info.videoLastTime -= time; 1953 info.refCount ++; 1954 } 1955 } else { 1956 if (info.refCount == 0) { 1957 ALOGW("Battery track warning: refCount is already 0"); 1958 return; 1959 } else if (info.refCount < 0) { 1960 ALOGE("Battery track error: refCount < 0"); 1961 mBatteryData.removeItem(uid); 1962 return; 1963 } 1964 1965 if (params & kBatteryDataTrackAudio) { 1966 info.audioLastTime += time; 1967 info.refCount --; 1968 } 1969 if (params & kBatteryDataTrackVideo) { 1970 info.videoLastTime += time; 1971 info.refCount --; 1972 } 1973 1974 // no stream is being played by this UID 1975 if (info.refCount == 0) { 1976 info.audioTotalTime += info.audioLastTime; 1977 info.audioLastTime = 0; 1978 info.videoTotalTime += info.videoLastTime; 1979 info.videoLastTime = 0; 1980 } 1981 } 1982} 1983 1984status_t MediaPlayerService::pullBatteryData(Parcel* reply) { 1985 Mutex::Autolock lock(mLock); 1986 1987 // audio output devices usage 1988 int32_t time = systemTime() / 1000000L; //in ms 1989 int32_t totalTime; 1990 1991 for (int i = 0; i < NUM_AUDIO_DEVICES; i++) { 1992 totalTime = mBatteryAudio.totalTime[i]; 1993 1994 if (mBatteryAudio.deviceOn[i] 1995 && (mBatteryAudio.lastTime[i] != 0)) { 1996 int32_t tmpTime = mBatteryAudio.lastTime[i] + time; 1997 totalTime += tmpTime; 1998 } 1999 2000 reply->writeInt32(totalTime); 2001 // reset the total time 2002 mBatteryAudio.totalTime[i] = 0; 2003 } 2004 2005 // codec usage 2006 BatteryUsageInfo info; 2007 int size = mBatteryData.size(); 2008 2009 reply->writeInt32(size); 2010 int i = 0; 2011 2012 while (i < size) { 2013 info = mBatteryData.valueAt(i); 2014 2015 reply->writeInt32(mBatteryData.keyAt(i)); //UID 2016 reply->writeInt32(info.audioTotalTime); 2017 reply->writeInt32(info.videoTotalTime); 2018 2019 info.audioTotalTime = 0; 2020 info.videoTotalTime = 0; 2021 2022 // remove the UID entry where no stream is being played 2023 if (info.refCount <= 0) { 2024 mBatteryData.removeItemsAt(i); 2025 size --; 2026 i --; 2027 } 2028 i++; 2029 } 2030 return NO_ERROR; 2031} 2032} // namespace android 2033