RTSPSource.cpp revision f1d261f1b5914ddc219a23b763ab19363eeedd85
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 "RTSPSource" 19#include <utils/Log.h> 20 21#include "RTSPSource.h" 22 23#include "AnotherPacketSource.h" 24#include "MyHandler.h" 25#include "SDPLoader.h" 26 27#include <media/IMediaHTTPService.h> 28#include <media/stagefright/MediaDefs.h> 29#include <media/stagefright/MetaData.h> 30 31namespace android { 32 33const int64_t kNearEOSTimeoutUs = 2000000ll; // 2 secs 34 35// Buffer Underflow/Prepare/StartServer/Overflow Marks 36const int64_t NuPlayer::RTSPSource::kUnderflowMarkUs = 1000000ll; 37const int64_t NuPlayer::RTSPSource::kPrepareMarkUs = 3000000ll; 38const int64_t NuPlayer::RTSPSource::kStartServerMarkUs = 5000000ll; 39const int64_t NuPlayer::RTSPSource::kOverflowMarkUs = 10000000ll; 40 41NuPlayer::RTSPSource::RTSPSource( 42 const sp<AMessage> ¬ify, 43 const sp<IMediaHTTPService> &httpService, 44 const char *url, 45 const KeyedVector<String8, String8> *headers, 46 bool uidValid, 47 uid_t uid, 48 bool isSDP) 49 : Source(notify), 50 mHTTPService(httpService), 51 mURL(url), 52 mUIDValid(uidValid), 53 mUID(uid), 54 mFlags(0), 55 mIsSDP(isSDP), 56 mState(DISCONNECTED), 57 mFinalResult(OK), 58 mDisconnectReplyID(0), 59 mBuffering(false), 60 mInPreparationPhase(true), 61 mEOSPending(false), 62 mSeekGeneration(0), 63 mEOSTimeoutAudio(0), 64 mEOSTimeoutVideo(0) { 65 if (headers) { 66 mExtraHeaders = *headers; 67 68 ssize_t index = 69 mExtraHeaders.indexOfKey(String8("x-hide-urls-from-log")); 70 71 if (index >= 0) { 72 mFlags |= kFlagIncognito; 73 74 mExtraHeaders.removeItemsAt(index); 75 } 76 } 77} 78 79NuPlayer::RTSPSource::~RTSPSource() { 80 if (mLooper != NULL) { 81 mLooper->unregisterHandler(id()); 82 mLooper->stop(); 83 } 84} 85 86void NuPlayer::RTSPSource::prepareAsync() { 87 if (mIsSDP && mHTTPService == NULL) { 88 notifyPrepared(BAD_VALUE); 89 return; 90 } 91 92 if (mLooper == NULL) { 93 mLooper = new ALooper; 94 mLooper->setName("rtsp"); 95 mLooper->start(); 96 97 mLooper->registerHandler(this); 98 } 99 100 CHECK(mHandler == NULL); 101 CHECK(mSDPLoader == NULL); 102 103 sp<AMessage> notify = new AMessage(kWhatNotify, this); 104 105 CHECK_EQ(mState, (int)DISCONNECTED); 106 mState = CONNECTING; 107 108 if (mIsSDP) { 109 mSDPLoader = new SDPLoader(notify, 110 (mFlags & kFlagIncognito) ? SDPLoader::kFlagIncognito : 0, 111 mHTTPService); 112 113 mSDPLoader->load( 114 mURL.c_str(), mExtraHeaders.isEmpty() ? NULL : &mExtraHeaders); 115 } else { 116 mHandler = new MyHandler(mURL.c_str(), notify, mUIDValid, mUID); 117 mLooper->registerHandler(mHandler); 118 119 mHandler->connect(); 120 } 121 122 startBufferingIfNecessary(); 123} 124 125void NuPlayer::RTSPSource::start() { 126} 127 128void NuPlayer::RTSPSource::stop() { 129 if (mLooper == NULL) { 130 return; 131 } 132 sp<AMessage> msg = new AMessage(kWhatDisconnect, this); 133 134 sp<AMessage> dummy; 135 msg->postAndAwaitResponse(&dummy); 136} 137 138status_t NuPlayer::RTSPSource::feedMoreTSData() { 139 Mutex::Autolock _l(mBufferingLock); 140 return mFinalResult; 141} 142 143sp<MetaData> NuPlayer::RTSPSource::getFormatMeta(bool audio) { 144 sp<AnotherPacketSource> source = getSource(audio); 145 146 if (source == NULL) { 147 return NULL; 148 } 149 150 return source->getFormat(); 151} 152 153bool NuPlayer::RTSPSource::haveSufficientDataOnAllTracks() { 154 // We're going to buffer at least 2 secs worth data on all tracks before 155 // starting playback (both at startup and after a seek). 156 157 static const int64_t kMinDurationUs = 2000000ll; 158 159 int64_t mediaDurationUs = 0; 160 getDuration(&mediaDurationUs); 161 if ((mAudioTrack != NULL && mAudioTrack->isFinished(mediaDurationUs)) 162 || (mVideoTrack != NULL && mVideoTrack->isFinished(mediaDurationUs))) { 163 return true; 164 } 165 166 status_t err; 167 int64_t durationUs; 168 if (mAudioTrack != NULL 169 && (durationUs = mAudioTrack->getBufferedDurationUs(&err)) 170 < kMinDurationUs 171 && err == OK) { 172 ALOGV("audio track doesn't have enough data yet. (%.2f secs buffered)", 173 durationUs / 1E6); 174 return false; 175 } 176 177 if (mVideoTrack != NULL 178 && (durationUs = mVideoTrack->getBufferedDurationUs(&err)) 179 < kMinDurationUs 180 && err == OK) { 181 ALOGV("video track doesn't have enough data yet. (%.2f secs buffered)", 182 durationUs / 1E6); 183 return false; 184 } 185 186 return true; 187} 188 189status_t NuPlayer::RTSPSource::dequeueAccessUnit( 190 bool audio, sp<ABuffer> *accessUnit) { 191 if (!stopBufferingIfNecessary()) { 192 return -EWOULDBLOCK; 193 } 194 195 sp<AnotherPacketSource> source = getSource(audio); 196 197 if (source == NULL) { 198 return -EWOULDBLOCK; 199 } 200 201 status_t finalResult; 202 if (!source->hasBufferAvailable(&finalResult)) { 203 if (finalResult == OK) { 204 205 // If other source already signaled EOS, this source should also return EOS 206 if (sourceReachedEOS(!audio)) { 207 return ERROR_END_OF_STREAM; 208 } 209 210 // If this source has detected near end, give it some time to retrieve more 211 // data before returning EOS 212 int64_t mediaDurationUs = 0; 213 getDuration(&mediaDurationUs); 214 if (source->isFinished(mediaDurationUs)) { 215 int64_t eosTimeout = audio ? mEOSTimeoutAudio : mEOSTimeoutVideo; 216 if (eosTimeout == 0) { 217 setEOSTimeout(audio, ALooper::GetNowUs()); 218 } else if ((ALooper::GetNowUs() - eosTimeout) > kNearEOSTimeoutUs) { 219 setEOSTimeout(audio, 0); 220 return ERROR_END_OF_STREAM; 221 } 222 return -EWOULDBLOCK; 223 } 224 225 if (!sourceNearEOS(!audio)) { 226 // We should not enter buffering mode 227 // if any of the sources already have detected EOS. 228 startBufferingIfNecessary(); 229 } 230 231 return -EWOULDBLOCK; 232 } 233 return finalResult; 234 } 235 236 setEOSTimeout(audio, 0); 237 238 return source->dequeueAccessUnit(accessUnit); 239} 240 241sp<AnotherPacketSource> NuPlayer::RTSPSource::getSource(bool audio) { 242 if (mTSParser != NULL) { 243 sp<MediaSource> source = mTSParser->getSource( 244 audio ? ATSParser::AUDIO : ATSParser::VIDEO); 245 246 return static_cast<AnotherPacketSource *>(source.get()); 247 } 248 249 return audio ? mAudioTrack : mVideoTrack; 250} 251 252void NuPlayer::RTSPSource::setEOSTimeout(bool audio, int64_t timeout) { 253 if (audio) { 254 mEOSTimeoutAudio = timeout; 255 } else { 256 mEOSTimeoutVideo = timeout; 257 } 258} 259 260status_t NuPlayer::RTSPSource::getDuration(int64_t *durationUs) { 261 *durationUs = 0ll; 262 263 int64_t audioDurationUs; 264 if (mAudioTrack != NULL 265 && mAudioTrack->getFormat()->findInt64( 266 kKeyDuration, &audioDurationUs) 267 && audioDurationUs > *durationUs) { 268 *durationUs = audioDurationUs; 269 } 270 271 int64_t videoDurationUs; 272 if (mVideoTrack != NULL 273 && mVideoTrack->getFormat()->findInt64( 274 kKeyDuration, &videoDurationUs) 275 && videoDurationUs > *durationUs) { 276 *durationUs = videoDurationUs; 277 } 278 279 return OK; 280} 281 282status_t NuPlayer::RTSPSource::seekTo(int64_t seekTimeUs) { 283 sp<AMessage> msg = new AMessage(kWhatPerformSeek, this); 284 msg->setInt32("generation", ++mSeekGeneration); 285 msg->setInt64("timeUs", seekTimeUs); 286 287 sp<AMessage> response; 288 status_t err = msg->postAndAwaitResponse(&response); 289 if (err == OK && response != NULL) { 290 CHECK(response->findInt32("err", &err)); 291 } 292 293 return err; 294} 295 296void NuPlayer::RTSPSource::performSeek(int64_t seekTimeUs) { 297 if (mState != CONNECTED) { 298 finishSeek(INVALID_OPERATION); 299 return; 300 } 301 302 mState = SEEKING; 303 mHandler->seek(seekTimeUs); 304 mEOSPending = false; 305} 306 307void NuPlayer::RTSPSource::schedulePollBuffering() { 308 sp<AMessage> msg = new AMessage(kWhatPollBuffering, this); 309 msg->post(1000000ll); // 1 second intervals 310} 311 312void NuPlayer::RTSPSource::checkBuffering( 313 bool *prepared, bool *underflow, bool *overflow, bool *startServer, bool *finished) { 314 size_t numTracks = mTracks.size(); 315 size_t preparedCount, underflowCount, overflowCount, startCount, finishedCount; 316 preparedCount = underflowCount = overflowCount = startCount = finishedCount = 0; 317 318 size_t count = numTracks; 319 for (size_t i = 0; i < count; ++i) { 320 status_t finalResult; 321 TrackInfo *info = &mTracks.editItemAt(i); 322 sp<AnotherPacketSource> src = info->mSource; 323 if (src == NULL) { 324 --numTracks; 325 continue; 326 } 327 int64_t bufferedDurationUs = src->getBufferedDurationUs(&finalResult); 328 329 // isFinished when duration is 0 checks for EOS result only 330 if (bufferedDurationUs > kPrepareMarkUs || src->isFinished(/* duration */ 0)) { 331 ++preparedCount; 332 } 333 334 if (src->isFinished(/* duration */ 0)) { 335 ++overflowCount; 336 ++finishedCount; 337 } else { 338 if (bufferedDurationUs < kUnderflowMarkUs) { 339 ++underflowCount; 340 } 341 if (bufferedDurationUs > kOverflowMarkUs) { 342 ++overflowCount; 343 } 344 if (bufferedDurationUs < kStartServerMarkUs) { 345 ++startCount; 346 } 347 } 348 } 349 350 *prepared = (preparedCount == numTracks); 351 *underflow = (underflowCount > 0); 352 *overflow = (overflowCount == numTracks); 353 *startServer = (startCount > 0); 354 *finished = (finishedCount > 0); 355} 356 357void NuPlayer::RTSPSource::onPollBuffering() { 358 bool prepared, underflow, overflow, startServer, finished; 359 checkBuffering(&prepared, &underflow, &overflow, &startServer, &finished); 360 361 if (prepared && mInPreparationPhase) { 362 mInPreparationPhase = false; 363 notifyPrepared(); 364 } 365 366 if (!mInPreparationPhase && underflow) { 367 startBufferingIfNecessary(); 368 } 369 370 if (overflow && mHandler != NULL) { 371 stopBufferingIfNecessary(); 372 mHandler->pause(); 373 } 374 375 if (startServer && mHandler != NULL) { 376 mHandler->resume(); 377 } 378 379 if (finished && mHandler != NULL) { 380 mHandler->cancelAccessUnitTimeoutCheck(); 381 } 382 383 schedulePollBuffering(); 384} 385 386void NuPlayer::RTSPSource::signalSourceEOS(status_t result) { 387 const bool audio = true; 388 const bool video = false; 389 390 sp<AnotherPacketSource> source = getSource(audio); 391 if (source != NULL) { 392 source->signalEOS(result); 393 } 394 395 source = getSource(video); 396 if (source != NULL) { 397 source->signalEOS(result); 398 } 399} 400 401bool NuPlayer::RTSPSource::sourceReachedEOS(bool audio) { 402 sp<AnotherPacketSource> source = getSource(audio); 403 status_t finalResult; 404 return (source != NULL && 405 !source->hasBufferAvailable(&finalResult) && 406 finalResult == ERROR_END_OF_STREAM); 407} 408 409bool NuPlayer::RTSPSource::sourceNearEOS(bool audio) { 410 sp<AnotherPacketSource> source = getSource(audio); 411 int64_t mediaDurationUs = 0; 412 getDuration(&mediaDurationUs); 413 return (source != NULL && source->isFinished(mediaDurationUs)); 414} 415 416void NuPlayer::RTSPSource::onSignalEOS(const sp<AMessage> &msg) { 417 int32_t generation; 418 CHECK(msg->findInt32("generation", &generation)); 419 420 if (generation != mSeekGeneration) { 421 return; 422 } 423 424 if (mEOSPending) { 425 signalSourceEOS(ERROR_END_OF_STREAM); 426 mEOSPending = false; 427 } 428} 429 430void NuPlayer::RTSPSource::postSourceEOSIfNecessary() { 431 const bool audio = true; 432 const bool video = false; 433 // If a source has detected near end, give it some time to retrieve more 434 // data before signaling EOS 435 if (sourceNearEOS(audio) || sourceNearEOS(video)) { 436 if (!mEOSPending) { 437 sp<AMessage> msg = new AMessage(kWhatSignalEOS, this); 438 msg->setInt32("generation", mSeekGeneration); 439 msg->post(kNearEOSTimeoutUs); 440 mEOSPending = true; 441 } 442 } 443} 444 445void NuPlayer::RTSPSource::onMessageReceived(const sp<AMessage> &msg) { 446 if (msg->what() == kWhatDisconnect) { 447 sp<AReplyToken> replyID; 448 CHECK(msg->senderAwaitsResponse(&replyID)); 449 450 mDisconnectReplyID = replyID; 451 finishDisconnectIfPossible(); 452 return; 453 } else if (msg->what() == kWhatPerformSeek) { 454 int32_t generation; 455 CHECK(msg->findInt32("generation", &generation)); 456 CHECK(msg->senderAwaitsResponse(&mSeekReplyID)); 457 458 if (generation != mSeekGeneration) { 459 // obsolete. 460 finishSeek(OK); 461 return; 462 } 463 464 int64_t seekTimeUs; 465 CHECK(msg->findInt64("timeUs", &seekTimeUs)); 466 467 performSeek(seekTimeUs); 468 return; 469 } else if (msg->what() == kWhatPollBuffering) { 470 onPollBuffering(); 471 return; 472 } else if (msg->what() == kWhatSignalEOS) { 473 onSignalEOS(msg); 474 return; 475 } 476 477 CHECK_EQ(msg->what(), (int)kWhatNotify); 478 479 int32_t what; 480 CHECK(msg->findInt32("what", &what)); 481 482 switch (what) { 483 case MyHandler::kWhatConnected: 484 { 485 onConnected(); 486 487 notifyVideoSizeChanged(); 488 489 uint32_t flags = 0; 490 491 if (mHandler->isSeekable()) { 492 flags = FLAG_CAN_PAUSE 493 | FLAG_CAN_SEEK 494 | FLAG_CAN_SEEK_BACKWARD 495 | FLAG_CAN_SEEK_FORWARD; 496 } 497 498 notifyFlagsChanged(flags); 499 schedulePollBuffering(); 500 break; 501 } 502 503 case MyHandler::kWhatDisconnected: 504 { 505 onDisconnected(msg); 506 break; 507 } 508 509 case MyHandler::kWhatSeekDone: 510 { 511 mState = CONNECTED; 512 // Unblock seekTo here in case we attempted to seek in a live stream 513 finishSeek(OK); 514 break; 515 } 516 517 case MyHandler::kWhatSeekPaused: 518 { 519 sp<AnotherPacketSource> source = getSource(true /* audio */); 520 if (source != NULL) { 521 source->queueDiscontinuity(ATSParser::DISCONTINUITY_NONE, 522 /* extra */ NULL, 523 /* discard */ true); 524 } 525 source = getSource(false /* video */); 526 if (source != NULL) { 527 source->queueDiscontinuity(ATSParser::DISCONTINUITY_NONE, 528 /* extra */ NULL, 529 /* discard */ true); 530 }; 531 532 status_t err = OK; 533 msg->findInt32("err", &err); 534 535 if (err == OK) { 536 int64_t timeUs; 537 CHECK(msg->findInt64("time", &timeUs)); 538 mHandler->continueSeekAfterPause(timeUs); 539 } else { 540 finishSeek(err); 541 } 542 break; 543 } 544 545 case MyHandler::kWhatAccessUnit: 546 { 547 size_t trackIndex; 548 CHECK(msg->findSize("trackIndex", &trackIndex)); 549 550 if (mTSParser == NULL) { 551 CHECK_LT(trackIndex, mTracks.size()); 552 } else { 553 CHECK_EQ(trackIndex, 0u); 554 } 555 556 sp<ABuffer> accessUnit; 557 CHECK(msg->findBuffer("accessUnit", &accessUnit)); 558 559 int32_t damaged; 560 if (accessUnit->meta()->findInt32("damaged", &damaged) 561 && damaged) { 562 ALOGI("dropping damaged access unit."); 563 break; 564 } 565 566 if (mTSParser != NULL) { 567 size_t offset = 0; 568 status_t err = OK; 569 while (offset + 188 <= accessUnit->size()) { 570 err = mTSParser->feedTSPacket( 571 accessUnit->data() + offset, 188); 572 if (err != OK) { 573 break; 574 } 575 576 offset += 188; 577 } 578 579 if (offset < accessUnit->size()) { 580 err = ERROR_MALFORMED; 581 } 582 583 if (err != OK) { 584 signalSourceEOS(err); 585 } 586 587 postSourceEOSIfNecessary(); 588 break; 589 } 590 591 TrackInfo *info = &mTracks.editItemAt(trackIndex); 592 593 sp<AnotherPacketSource> source = info->mSource; 594 if (source != NULL) { 595 uint32_t rtpTime; 596 CHECK(accessUnit->meta()->findInt32("rtp-time", (int32_t *)&rtpTime)); 597 598 if (!info->mNPTMappingValid) { 599 // This is a live stream, we didn't receive any normal 600 // playtime mapping. We won't map to npt time. 601 source->queueAccessUnit(accessUnit); 602 break; 603 } 604 605 int64_t nptUs = 606 ((double)rtpTime - (double)info->mRTPTime) 607 / info->mTimeScale 608 * 1000000ll 609 + info->mNormalPlaytimeUs; 610 611 accessUnit->meta()->setInt64("timeUs", nptUs); 612 613 source->queueAccessUnit(accessUnit); 614 } 615 postSourceEOSIfNecessary(); 616 break; 617 } 618 619 case MyHandler::kWhatEOS: 620 { 621 int32_t finalResult; 622 CHECK(msg->findInt32("finalResult", &finalResult)); 623 CHECK_NE(finalResult, (status_t)OK); 624 625 if (mTSParser != NULL) { 626 signalSourceEOS(finalResult); 627 } 628 629 size_t trackIndex; 630 CHECK(msg->findSize("trackIndex", &trackIndex)); 631 CHECK_LT(trackIndex, mTracks.size()); 632 633 TrackInfo *info = &mTracks.editItemAt(trackIndex); 634 sp<AnotherPacketSource> source = info->mSource; 635 if (source != NULL) { 636 source->signalEOS(finalResult); 637 } 638 639 break; 640 } 641 642 case MyHandler::kWhatSeekDiscontinuity: 643 { 644 size_t trackIndex; 645 CHECK(msg->findSize("trackIndex", &trackIndex)); 646 CHECK_LT(trackIndex, mTracks.size()); 647 648 TrackInfo *info = &mTracks.editItemAt(trackIndex); 649 sp<AnotherPacketSource> source = info->mSource; 650 if (source != NULL) { 651 source->queueDiscontinuity( 652 ATSParser::DISCONTINUITY_TIME, 653 NULL, 654 true /* discard */); 655 } 656 657 break; 658 } 659 660 case MyHandler::kWhatNormalPlayTimeMapping: 661 { 662 size_t trackIndex; 663 CHECK(msg->findSize("trackIndex", &trackIndex)); 664 CHECK_LT(trackIndex, mTracks.size()); 665 666 uint32_t rtpTime; 667 CHECK(msg->findInt32("rtpTime", (int32_t *)&rtpTime)); 668 669 int64_t nptUs; 670 CHECK(msg->findInt64("nptUs", &nptUs)); 671 672 TrackInfo *info = &mTracks.editItemAt(trackIndex); 673 info->mRTPTime = rtpTime; 674 info->mNormalPlaytimeUs = nptUs; 675 info->mNPTMappingValid = true; 676 break; 677 } 678 679 case SDPLoader::kWhatSDPLoaded: 680 { 681 onSDPLoaded(msg); 682 break; 683 } 684 685 default: 686 TRESPASS(); 687 } 688} 689 690void NuPlayer::RTSPSource::onConnected() { 691 CHECK(mAudioTrack == NULL); 692 CHECK(mVideoTrack == NULL); 693 694 size_t numTracks = mHandler->countTracks(); 695 for (size_t i = 0; i < numTracks; ++i) { 696 int32_t timeScale; 697 sp<MetaData> format = mHandler->getTrackFormat(i, &timeScale); 698 699 const char *mime; 700 CHECK(format->findCString(kKeyMIMEType, &mime)); 701 702 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) { 703 // Very special case for MPEG2 Transport Streams. 704 CHECK_EQ(numTracks, 1u); 705 706 mTSParser = new ATSParser; 707 return; 708 } 709 710 bool isAudio = !strncasecmp(mime, "audio/", 6); 711 bool isVideo = !strncasecmp(mime, "video/", 6); 712 713 TrackInfo info; 714 info.mTimeScale = timeScale; 715 info.mRTPTime = 0; 716 info.mNormalPlaytimeUs = 0ll; 717 info.mNPTMappingValid = false; 718 719 if ((isAudio && mAudioTrack == NULL) 720 || (isVideo && mVideoTrack == NULL)) { 721 sp<AnotherPacketSource> source = new AnotherPacketSource(format); 722 723 if (isAudio) { 724 mAudioTrack = source; 725 } else { 726 mVideoTrack = source; 727 } 728 729 info.mSource = source; 730 } 731 732 mTracks.push(info); 733 } 734 735 mState = CONNECTED; 736} 737 738void NuPlayer::RTSPSource::onSDPLoaded(const sp<AMessage> &msg) { 739 status_t err; 740 CHECK(msg->findInt32("result", &err)); 741 742 mSDPLoader.clear(); 743 744 if (mDisconnectReplyID != 0) { 745 err = UNKNOWN_ERROR; 746 } 747 748 if (err == OK) { 749 sp<ASessionDescription> desc; 750 sp<RefBase> obj; 751 CHECK(msg->findObject("description", &obj)); 752 desc = static_cast<ASessionDescription *>(obj.get()); 753 754 AString rtspUri; 755 if (!desc->findAttribute(0, "a=control", &rtspUri)) { 756 ALOGE("Unable to find url in SDP"); 757 err = UNKNOWN_ERROR; 758 } else { 759 sp<AMessage> notify = new AMessage(kWhatNotify, this); 760 761 mHandler = new MyHandler(rtspUri.c_str(), notify, mUIDValid, mUID); 762 mLooper->registerHandler(mHandler); 763 764 mHandler->loadSDP(desc); 765 } 766 } 767 768 if (err != OK) { 769 if (mState == CONNECTING) { 770 // We're still in the preparation phase, signal that it 771 // failed. 772 notifyPrepared(err); 773 } 774 775 mState = DISCONNECTED; 776 setError(err); 777 778 if (mDisconnectReplyID != 0) { 779 finishDisconnectIfPossible(); 780 } 781 } 782} 783 784void NuPlayer::RTSPSource::onDisconnected(const sp<AMessage> &msg) { 785 if (mState == DISCONNECTED) { 786 return; 787 } 788 789 status_t err; 790 CHECK(msg->findInt32("result", &err)); 791 CHECK_NE(err, (status_t)OK); 792 793 mLooper->unregisterHandler(mHandler->id()); 794 mHandler.clear(); 795 796 if (mState == CONNECTING) { 797 // We're still in the preparation phase, signal that it 798 // failed. 799 notifyPrepared(err); 800 } 801 802 mState = DISCONNECTED; 803 setError(err); 804 805 if (mDisconnectReplyID != 0) { 806 finishDisconnectIfPossible(); 807 } 808} 809 810void NuPlayer::RTSPSource::finishDisconnectIfPossible() { 811 if (mState != DISCONNECTED) { 812 if (mHandler != NULL) { 813 mHandler->disconnect(); 814 } else if (mSDPLoader != NULL) { 815 mSDPLoader->cancel(); 816 } 817 return; 818 } 819 820 (new AMessage)->postReply(mDisconnectReplyID); 821 mDisconnectReplyID = 0; 822} 823 824void NuPlayer::RTSPSource::setError(status_t err) { 825 Mutex::Autolock _l(mBufferingLock); 826 mFinalResult = err; 827} 828 829void NuPlayer::RTSPSource::startBufferingIfNecessary() { 830 Mutex::Autolock _l(mBufferingLock); 831 832 if (!mBuffering) { 833 mBuffering = true; 834 835 sp<AMessage> notify = dupNotify(); 836 notify->setInt32("what", kWhatPauseOnBufferingStart); 837 notify->post(); 838 } 839} 840 841bool NuPlayer::RTSPSource::stopBufferingIfNecessary() { 842 Mutex::Autolock _l(mBufferingLock); 843 844 if (mBuffering) { 845 if (!haveSufficientDataOnAllTracks()) { 846 return false; 847 } 848 849 mBuffering = false; 850 851 sp<AMessage> notify = dupNotify(); 852 notify->setInt32("what", kWhatResumeOnBufferingEnd); 853 notify->post(); 854 } 855 856 return true; 857} 858 859void NuPlayer::RTSPSource::finishSeek(status_t err) { 860 if (mSeekReplyID == NULL) { 861 return; 862 } 863 sp<AMessage> seekReply = new AMessage; 864 seekReply->setInt32("err", err); 865 seekReply->postReply(mSeekReplyID); 866 mSeekReplyID = NULL; 867} 868 869} // namespace android 870