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