NuPlayerDriver.cpp revision 866e028bbe30b1ba0b9d8903c88bbe8525b81a37
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "NuPlayerDriver" 19#include <inttypes.h> 20#include <utils/Log.h> 21 22#include "NuPlayerDriver.h" 23 24#include "NuPlayer.h" 25#include "NuPlayerSource.h" 26 27#include <media/stagefright/foundation/ADebug.h> 28#include <media/stagefright/foundation/ALooper.h> 29#include <media/stagefright/MetaData.h> 30 31namespace android { 32 33NuPlayerDriver::NuPlayerDriver() 34 : mState(STATE_IDLE), 35 mIsAsyncPrepare(false), 36 mAsyncResult(UNKNOWN_ERROR), 37 mSetSurfaceInProgress(false), 38 mDurationUs(-1), 39 mPositionUs(-1), 40 mNotifyTimeRealUs(-1), 41 mPauseStartedTimeUs(-1), 42 mNumFramesTotal(0), 43 mNumFramesDropped(0), 44 mLooper(new ALooper), 45 mPlayerFlags(0), 46 mAtEOS(false), 47 mLooping(false), 48 mAutoLoop(false), 49 mStartupSeekTimeUs(-1) { 50 mLooper->setName("NuPlayerDriver Looper"); 51 52 mLooper->start( 53 false, /* runOnCallingThread */ 54 true, /* canCallJava */ 55 PRIORITY_AUDIO); 56 57 mPlayer = new NuPlayer; 58 mLooper->registerHandler(mPlayer); 59 60 mPlayer->setDriver(this); 61} 62 63NuPlayerDriver::~NuPlayerDriver() { 64 mLooper->stop(); 65} 66 67status_t NuPlayerDriver::initCheck() { 68 return OK; 69} 70 71status_t NuPlayerDriver::setUID(uid_t uid) { 72 mPlayer->setUID(uid); 73 74 return OK; 75} 76 77status_t NuPlayerDriver::setDataSource( 78 const sp<IMediaHTTPService> &httpService, 79 const char *url, 80 const KeyedVector<String8, String8> *headers) { 81 Mutex::Autolock autoLock(mLock); 82 83 ALOGV("setDataSource: url=%s", url); 84 if (mState != STATE_IDLE) { 85 return INVALID_OPERATION; 86 } 87 88 mState = STATE_SET_DATASOURCE_PENDING; 89 90 mPlayer->setDataSourceAsync(httpService, url, headers); 91 92 while (mState == STATE_SET_DATASOURCE_PENDING) { 93 mCondition.wait(mLock); 94 } 95 96 return mAsyncResult; 97} 98 99status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) { 100 Mutex::Autolock autoLock(mLock); 101 102 ALOGV("setDataSource: fd=%d", fd); 103 if (mState != STATE_IDLE) { 104 return INVALID_OPERATION; 105 } 106 107 mState = STATE_SET_DATASOURCE_PENDING; 108 109 mPlayer->setDataSourceAsync(fd, offset, length); 110 111 while (mState == STATE_SET_DATASOURCE_PENDING) { 112 mCondition.wait(mLock); 113 } 114 115 return mAsyncResult; 116} 117 118status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) { 119 Mutex::Autolock autoLock(mLock); 120 121 ALOGV("setDataSource: stream source"); 122 if (mState != STATE_IDLE) { 123 return INVALID_OPERATION; 124 } 125 126 mState = STATE_SET_DATASOURCE_PENDING; 127 128 mPlayer->setDataSourceAsync(source); 129 130 while (mState == STATE_SET_DATASOURCE_PENDING) { 131 mCondition.wait(mLock); 132 } 133 134 return mAsyncResult; 135} 136 137status_t NuPlayerDriver::setVideoSurfaceTexture( 138 const sp<IGraphicBufferProducer> &bufferProducer) { 139 Mutex::Autolock autoLock(mLock); 140 141 if (mSetSurfaceInProgress) { 142 return INVALID_OPERATION; 143 } 144 145 switch (mState) { 146 case STATE_SET_DATASOURCE_PENDING: 147 case STATE_RESET_IN_PROGRESS: 148 return INVALID_OPERATION; 149 150 default: 151 break; 152 } 153 154 mSetSurfaceInProgress = true; 155 156 mPlayer->setVideoSurfaceTextureAsync(bufferProducer); 157 158 while (mSetSurfaceInProgress) { 159 mCondition.wait(mLock); 160 } 161 162 return OK; 163} 164 165status_t NuPlayerDriver::prepare() { 166 Mutex::Autolock autoLock(mLock); 167 return prepare_l(); 168} 169 170status_t NuPlayerDriver::prepare_l() { 171 switch (mState) { 172 case STATE_UNPREPARED: 173 mState = STATE_PREPARING; 174 175 // Make sure we're not posting any notifications, success or 176 // failure information is only communicated through our result 177 // code. 178 mIsAsyncPrepare = false; 179 mPlayer->prepareAsync(); 180 while (mState == STATE_PREPARING) { 181 mCondition.wait(mLock); 182 } 183 return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR; 184 case STATE_STOPPED: 185 // this is really just paused. handle as seek to start 186 mAtEOS = false; 187 mState = STATE_STOPPED_AND_PREPARING; 188 mIsAsyncPrepare = false; 189 mPlayer->seekToAsync(0); 190 while (mState == STATE_STOPPED_AND_PREPARING) { 191 mCondition.wait(mLock); 192 } 193 return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR; 194 default: 195 return INVALID_OPERATION; 196 }; 197} 198 199status_t NuPlayerDriver::prepareAsync() { 200 Mutex::Autolock autoLock(mLock); 201 202 switch (mState) { 203 case STATE_UNPREPARED: 204 mState = STATE_PREPARING; 205 mIsAsyncPrepare = true; 206 mPlayer->prepareAsync(); 207 return OK; 208 case STATE_STOPPED: 209 // this is really just paused. handle as seek to start 210 mAtEOS = false; 211 mState = STATE_STOPPED_AND_PREPARING; 212 mIsAsyncPrepare = true; 213 mPlayer->seekToAsync(0); 214 return OK; 215 default: 216 return INVALID_OPERATION; 217 }; 218} 219 220status_t NuPlayerDriver::start() { 221 Mutex::Autolock autoLock(mLock); 222 223 switch (mState) { 224 case STATE_UNPREPARED: 225 { 226 status_t err = prepare_l(); 227 228 if (err != OK) { 229 return err; 230 } 231 232 CHECK_EQ(mState, STATE_PREPARED); 233 234 // fall through 235 } 236 237 case STATE_PREPARED: 238 { 239 mAtEOS = false; 240 mPlayer->start(); 241 242 if (mStartupSeekTimeUs >= 0) { 243 if (mStartupSeekTimeUs == 0) { 244 notifySeekComplete_l(); 245 } else { 246 mPlayer->seekToAsync(mStartupSeekTimeUs); 247 } 248 249 mStartupSeekTimeUs = -1; 250 } 251 break; 252 } 253 254 case STATE_RUNNING: 255 { 256 if (mAtEOS) { 257 mPlayer->seekToAsync(0); 258 mAtEOS = false; 259 mPositionUs = -1; 260 } 261 break; 262 } 263 264 case STATE_PAUSED: 265 case STATE_STOPPED_AND_PREPARED: 266 { 267 if (mAtEOS) { 268 mPlayer->seekToAsync(0); 269 mAtEOS = false; 270 mPlayer->resume(); 271 mPositionUs = -1; 272 } else { 273 mPlayer->resume(); 274 mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs; 275 } 276 break; 277 } 278 279 default: 280 return INVALID_OPERATION; 281 } 282 283 mState = STATE_RUNNING; 284 mPauseStartedTimeUs = -1; 285 286 return OK; 287} 288 289status_t NuPlayerDriver::stop() { 290 Mutex::Autolock autoLock(mLock); 291 292 switch (mState) { 293 case STATE_RUNNING: 294 mPlayer->pause(); 295 // fall through 296 297 case STATE_PAUSED: 298 mState = STATE_STOPPED; 299 notifyListener_l(MEDIA_STOPPED); 300 break; 301 302 case STATE_PREPARED: 303 case STATE_STOPPED: 304 case STATE_STOPPED_AND_PREPARING: 305 case STATE_STOPPED_AND_PREPARED: 306 mState = STATE_STOPPED; 307 break; 308 309 default: 310 return INVALID_OPERATION; 311 } 312 setPauseStartedTimeIfNeeded(); 313 314 return OK; 315} 316 317status_t NuPlayerDriver::pause() { 318 Mutex::Autolock autoLock(mLock); 319 320 switch (mState) { 321 case STATE_PAUSED: 322 case STATE_PREPARED: 323 return OK; 324 325 case STATE_RUNNING: 326 setPauseStartedTimeIfNeeded(); 327 mState = STATE_PAUSED; 328 notifyListener_l(MEDIA_PAUSED); 329 mPlayer->pause(); 330 break; 331 332 default: 333 return INVALID_OPERATION; 334 } 335 336 return OK; 337} 338 339bool NuPlayerDriver::isPlaying() { 340 return mState == STATE_RUNNING && !mAtEOS; 341} 342 343status_t NuPlayerDriver::seekTo(int msec) { 344 Mutex::Autolock autoLock(mLock); 345 346 int64_t seekTimeUs = msec * 1000ll; 347 348 switch (mState) { 349 case STATE_PREPARED: 350 { 351 mStartupSeekTimeUs = seekTimeUs; 352 // pretend that the seek completed. It will actually happen when starting playback. 353 // TODO: actually perform the seek here, so the player is ready to go at the new 354 // location 355 notifySeekComplete_l(); 356 break; 357 } 358 359 case STATE_RUNNING: 360 case STATE_PAUSED: 361 { 362 mAtEOS = false; 363 // seeks can take a while, so we essentially paused 364 notifyListener_l(MEDIA_PAUSED); 365 mPlayer->seekToAsync(seekTimeUs); 366 break; 367 } 368 369 default: 370 return INVALID_OPERATION; 371 } 372 373 mPositionUs = seekTimeUs; 374 mNotifyTimeRealUs = -1; 375 return OK; 376} 377 378status_t NuPlayerDriver::getCurrentPosition(int *msec) { 379 Mutex::Autolock autoLock(mLock); 380 381 if (mPositionUs < 0) { 382 *msec = 0; 383 } else if (mNotifyTimeRealUs == -1) { 384 *msec = mPositionUs / 1000; 385 } else { 386 int64_t nowUs = 387 (isPlaying() ? ALooper::GetNowUs() : mPauseStartedTimeUs); 388 *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000; 389 } 390 391 return OK; 392} 393 394status_t NuPlayerDriver::getDuration(int *msec) { 395 Mutex::Autolock autoLock(mLock); 396 397 if (mDurationUs < 0) { 398 return UNKNOWN_ERROR; 399 } 400 401 *msec = (mDurationUs + 500ll) / 1000; 402 403 return OK; 404} 405 406status_t NuPlayerDriver::reset() { 407 Mutex::Autolock autoLock(mLock); 408 409 switch (mState) { 410 case STATE_IDLE: 411 return OK; 412 413 case STATE_SET_DATASOURCE_PENDING: 414 case STATE_RESET_IN_PROGRESS: 415 return INVALID_OPERATION; 416 417 case STATE_PREPARING: 418 { 419 CHECK(mIsAsyncPrepare); 420 421 notifyListener_l(MEDIA_PREPARED); 422 break; 423 } 424 425 default: 426 break; 427 } 428 429 if (mState != STATE_STOPPED) { 430 notifyListener_l(MEDIA_STOPPED); 431 } 432 433 mState = STATE_RESET_IN_PROGRESS; 434 mPlayer->resetAsync(); 435 436 while (mState == STATE_RESET_IN_PROGRESS) { 437 mCondition.wait(mLock); 438 } 439 440 mDurationUs = -1; 441 mPositionUs = -1; 442 mStartupSeekTimeUs = -1; 443 mLooping = false; 444 445 return OK; 446} 447 448status_t NuPlayerDriver::setLooping(int loop) { 449 mLooping = loop != 0; 450 return OK; 451} 452 453player_type NuPlayerDriver::playerType() { 454 return NU_PLAYER; 455} 456 457status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) { 458 if (reply == NULL) { 459 ALOGE("reply is a NULL pointer"); 460 return BAD_VALUE; 461 } 462 463 int32_t methodId; 464 status_t ret = request.readInt32(&methodId); 465 if (ret != OK) { 466 ALOGE("Failed to retrieve the requested method to invoke"); 467 return ret; 468 } 469 470 switch (methodId) { 471 case INVOKE_ID_SET_VIDEO_SCALING_MODE: 472 { 473 int mode = request.readInt32(); 474 return mPlayer->setVideoScalingMode(mode); 475 } 476 477 case INVOKE_ID_GET_TRACK_INFO: 478 { 479 return mPlayer->getTrackInfo(reply); 480 } 481 482 case INVOKE_ID_SELECT_TRACK: 483 { 484 int trackIndex = request.readInt32(); 485 return mPlayer->selectTrack(trackIndex, true /* select */); 486 } 487 488 case INVOKE_ID_UNSELECT_TRACK: 489 { 490 int trackIndex = request.readInt32(); 491 return mPlayer->selectTrack(trackIndex, false /* select */); 492 } 493 494 case INVOKE_ID_GET_SELECTED_TRACK: 495 { 496 int32_t type = request.readInt32(); 497 return mPlayer->getSelectedTrack(type, reply); 498 } 499 500 default: 501 { 502 return INVALID_OPERATION; 503 } 504 } 505} 506 507void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) { 508 mPlayer->setAudioSink(audioSink); 509 mAudioSink = audioSink; 510} 511 512status_t NuPlayerDriver::setParameter( 513 int /* key */, const Parcel & /* request */) { 514 return INVALID_OPERATION; 515} 516 517status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) { 518 return INVALID_OPERATION; 519} 520 521status_t NuPlayerDriver::getMetadata( 522 const media::Metadata::Filter& /* ids */, Parcel *records) { 523 Mutex::Autolock autoLock(mLock); 524 525 using media::Metadata; 526 527 Metadata meta(records); 528 529 meta.appendBool( 530 Metadata::kPauseAvailable, 531 mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE); 532 533 meta.appendBool( 534 Metadata::kSeekBackwardAvailable, 535 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD); 536 537 meta.appendBool( 538 Metadata::kSeekForwardAvailable, 539 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD); 540 541 meta.appendBool( 542 Metadata::kSeekAvailable, 543 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK); 544 545 return OK; 546} 547 548void NuPlayerDriver::notifyResetComplete() { 549 Mutex::Autolock autoLock(mLock); 550 551 CHECK_EQ(mState, STATE_RESET_IN_PROGRESS); 552 mState = STATE_IDLE; 553 mCondition.broadcast(); 554} 555 556void NuPlayerDriver::notifySetSurfaceComplete() { 557 Mutex::Autolock autoLock(mLock); 558 559 CHECK(mSetSurfaceInProgress); 560 mSetSurfaceInProgress = false; 561 562 mCondition.broadcast(); 563} 564 565void NuPlayerDriver::notifyDuration(int64_t durationUs) { 566 Mutex::Autolock autoLock(mLock); 567 mDurationUs = durationUs; 568} 569 570void NuPlayerDriver::notifyPosition(int64_t positionUs) { 571 Mutex::Autolock autoLock(mLock); 572 if (isPlaying()) { 573 mPositionUs = positionUs; 574 mNotifyTimeRealUs = ALooper::GetNowUs(); 575 } 576} 577 578void NuPlayerDriver::notifySeekComplete() { 579 Mutex::Autolock autoLock(mLock); 580 notifySeekComplete_l(); 581} 582 583void NuPlayerDriver::notifySeekComplete_l() { 584 bool wasSeeking = true; 585 if (mState == STATE_STOPPED_AND_PREPARING) { 586 wasSeeking = false; 587 mState = STATE_STOPPED_AND_PREPARED; 588 mCondition.broadcast(); 589 if (!mIsAsyncPrepare) { 590 // if we are preparing synchronously, no need to notify listener 591 return; 592 } 593 } else if (mState == STATE_STOPPED) { 594 // no need to notify listener 595 return; 596 } 597 notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED); 598} 599 600void NuPlayerDriver::notifyFrameStats( 601 int64_t numFramesTotal, int64_t numFramesDropped) { 602 Mutex::Autolock autoLock(mLock); 603 mNumFramesTotal = numFramesTotal; 604 mNumFramesDropped = numFramesDropped; 605} 606 607status_t NuPlayerDriver::dump( 608 int fd, const Vector<String16> & /* args */) const { 609 Mutex::Autolock autoLock(mLock); 610 611 FILE *out = fdopen(dup(fd), "w"); 612 613 fprintf(out, " NuPlayer\n"); 614 fprintf(out, " numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), " 615 "percentageDropped(%.2f)\n", 616 mNumFramesTotal, 617 mNumFramesDropped, 618 mNumFramesTotal == 0 619 ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal); 620 621 fclose(out); 622 out = NULL; 623 624 return OK; 625} 626 627void NuPlayerDriver::notifyListener( 628 int msg, int ext1, int ext2, const Parcel *in) { 629 Mutex::Autolock autoLock(mLock); 630 notifyListener_l(msg, ext1, ext2, in); 631} 632 633void NuPlayerDriver::notifyListener_l( 634 int msg, int ext1, int ext2, const Parcel *in) { 635 switch (msg) { 636 case MEDIA_PLAYBACK_COMPLETE: 637 { 638 if (mState != STATE_RESET_IN_PROGRESS) { 639 if (mLooping || (mAutoLoop 640 && (mAudioSink == NULL || mAudioSink->realtime()))) { 641 mPlayer->seekToAsync(0); 642 break; 643 } 644 645 mPlayer->pause(); 646 mState = STATE_PAUSED; 647 } 648 // fall through 649 } 650 651 case MEDIA_ERROR: 652 { 653 mAtEOS = true; 654 setPauseStartedTimeIfNeeded(); 655 break; 656 } 657 658 default: 659 break; 660 } 661 662 mLock.unlock(); 663 sendEvent(msg, ext1, ext2, in); 664 mLock.lock(); 665} 666 667void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) { 668 Mutex::Autolock autoLock(mLock); 669 670 CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING); 671 672 mAsyncResult = err; 673 mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE; 674 mCondition.broadcast(); 675} 676 677void NuPlayerDriver::notifyPrepareCompleted(status_t err) { 678 Mutex::Autolock autoLock(mLock); 679 680 if (mState != STATE_PREPARING) { 681 // We were preparing asynchronously when the client called 682 // reset(), we sent a premature "prepared" notification and 683 // then initiated the reset. This notification is stale. 684 CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE); 685 return; 686 } 687 688 CHECK_EQ(mState, STATE_PREPARING); 689 690 mAsyncResult = err; 691 692 if (err == OK) { 693 // update state before notifying client, so that if client calls back into NuPlayerDriver 694 // in response, NuPlayerDriver has the right state 695 mState = STATE_PREPARED; 696 if (mIsAsyncPrepare) { 697 notifyListener_l(MEDIA_PREPARED); 698 } 699 } else { 700 mState = STATE_UNPREPARED; 701 if (mIsAsyncPrepare) { 702 notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 703 } 704 } 705 706 sp<MetaData> meta = mPlayer->getFileMeta(); 707 int32_t loop; 708 if (meta != NULL 709 && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) { 710 mAutoLoop = true; 711 } 712 713 mCondition.broadcast(); 714} 715 716void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) { 717 Mutex::Autolock autoLock(mLock); 718 719 mPlayerFlags = flags; 720} 721 722void NuPlayerDriver::setPauseStartedTimeIfNeeded() { 723 if (mPauseStartedTimeUs == -1) { 724 mPauseStartedTimeUs = ALooper::GetNowUs(); 725 } 726} 727 728} // namespace android 729