AwesomePlayer.cpp revision 1321fdd94d354431b930735e9f38f32ecd189a2d
1/* 2 * Copyright (C) 2009 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 "AwesomePlayer" 19#include <utils/Log.h> 20 21#include <dlfcn.h> 22 23#include "include/AwesomePlayer.h" 24#include "include/Prefetcher.h" 25#include "include/SoftwareRenderer.h" 26 27#include <binder/IPCThreadState.h> 28#include <media/stagefright/AudioPlayer.h> 29#include <media/stagefright/CachingDataSource.h> 30#include <media/stagefright/DataSource.h> 31#include <media/stagefright/FileSource.h> 32#include <media/stagefright/MediaBuffer.h> 33#include <media/stagefright/MediaDefs.h> 34#include <media/stagefright/MediaExtractor.h> 35#include <media/stagefright/MediaDebug.h> 36#include <media/stagefright/MediaSource.h> 37#include <media/stagefright/MetaData.h> 38#include <media/stagefright/OMXCodec.h> 39 40#include <surfaceflinger/ISurface.h> 41 42namespace android { 43 44struct AwesomeEvent : public TimedEventQueue::Event { 45 AwesomeEvent( 46 AwesomePlayer *player, 47 void (AwesomePlayer::*method)()) 48 : mPlayer(player), 49 mMethod(method) { 50 } 51 52protected: 53 virtual ~AwesomeEvent() {} 54 55 virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) { 56 (mPlayer->*mMethod)(); 57 } 58 59private: 60 AwesomePlayer *mPlayer; 61 void (AwesomePlayer::*mMethod)(); 62 63 AwesomeEvent(const AwesomeEvent &); 64 AwesomeEvent &operator=(const AwesomeEvent &); 65}; 66 67struct AwesomeRemoteRenderer : public AwesomeRenderer { 68 AwesomeRemoteRenderer(const sp<IOMXRenderer> &target) 69 : mTarget(target) { 70 } 71 72 virtual void render(MediaBuffer *buffer) { 73 void *id; 74 if (buffer->meta_data()->findPointer(kKeyBufferID, &id)) { 75 mTarget->render((IOMX::buffer_id)id); 76 } 77 } 78 79private: 80 sp<IOMXRenderer> mTarget; 81 82 AwesomeRemoteRenderer(const AwesomeRemoteRenderer &); 83 AwesomeRemoteRenderer &operator=(const AwesomeRemoteRenderer &); 84}; 85 86struct AwesomeLocalRenderer : public AwesomeRenderer { 87 AwesomeLocalRenderer( 88 bool previewOnly, 89 const char *componentName, 90 OMX_COLOR_FORMATTYPE colorFormat, 91 const sp<ISurface> &surface, 92 size_t displayWidth, size_t displayHeight, 93 size_t decodedWidth, size_t decodedHeight) 94 : mTarget(NULL), 95 mLibHandle(NULL) { 96 init(previewOnly, componentName, 97 colorFormat, surface, displayWidth, 98 displayHeight, decodedWidth, decodedHeight); 99 } 100 101 virtual void render(MediaBuffer *buffer) { 102 render((const uint8_t *)buffer->data() + buffer->range_offset(), 103 buffer->range_length()); 104 } 105 106 void render(const void *data, size_t size) { 107 mTarget->render(data, size, NULL); 108 } 109 110protected: 111 virtual ~AwesomeLocalRenderer() { 112 delete mTarget; 113 mTarget = NULL; 114 115 if (mLibHandle) { 116 dlclose(mLibHandle); 117 mLibHandle = NULL; 118 } 119 } 120 121private: 122 VideoRenderer *mTarget; 123 void *mLibHandle; 124 125 void init( 126 bool previewOnly, 127 const char *componentName, 128 OMX_COLOR_FORMATTYPE colorFormat, 129 const sp<ISurface> &surface, 130 size_t displayWidth, size_t displayHeight, 131 size_t decodedWidth, size_t decodedHeight); 132 133 AwesomeLocalRenderer(const AwesomeLocalRenderer &); 134 AwesomeLocalRenderer &operator=(const AwesomeLocalRenderer &);; 135}; 136 137void AwesomeLocalRenderer::init( 138 bool previewOnly, 139 const char *componentName, 140 OMX_COLOR_FORMATTYPE colorFormat, 141 const sp<ISurface> &surface, 142 size_t displayWidth, size_t displayHeight, 143 size_t decodedWidth, size_t decodedHeight) { 144 if (!previewOnly) { 145 // We will stick to the vanilla software-color-converting renderer 146 // for "previewOnly" mode, to avoid unneccessarily switching overlays 147 // more often than necessary. 148 149 mLibHandle = dlopen("libstagefrighthw.so", RTLD_NOW); 150 151 if (mLibHandle) { 152 typedef VideoRenderer *(*CreateRendererFunc)( 153 const sp<ISurface> &surface, 154 const char *componentName, 155 OMX_COLOR_FORMATTYPE colorFormat, 156 size_t displayWidth, size_t displayHeight, 157 size_t decodedWidth, size_t decodedHeight); 158 159 CreateRendererFunc func = 160 (CreateRendererFunc)dlsym( 161 mLibHandle, 162 "_Z14createRendererRKN7android2spINS_8ISurfaceEEEPKc20" 163 "OMX_COLOR_FORMATTYPEjjjj"); 164 165 if (func) { 166 mTarget = 167 (*func)(surface, componentName, colorFormat, 168 displayWidth, displayHeight, 169 decodedWidth, decodedHeight); 170 } 171 } 172 } 173 174 if (mTarget == NULL) { 175 mTarget = new SoftwareRenderer( 176 colorFormat, surface, displayWidth, displayHeight, 177 decodedWidth, decodedHeight); 178 } 179} 180 181AwesomePlayer::AwesomePlayer() 182 : mQueueStarted(false), 183 mTimeSource(NULL), 184 mVideoRendererIsPreview(false), 185 mAudioPlayer(NULL), 186 mFlags(0), 187 mLastVideoBuffer(NULL), 188 mVideoBuffer(NULL), 189 mSuspensionState(NULL) { 190 CHECK_EQ(mClient.connect(), OK); 191 192 DataSource::RegisterDefaultSniffers(); 193 194 mVideoEvent = new AwesomeEvent(this, &AwesomePlayer::onVideoEvent); 195 mVideoEventPending = false; 196 mStreamDoneEvent = new AwesomeEvent(this, &AwesomePlayer::onStreamDone); 197 mStreamDoneEventPending = false; 198 mBufferingEvent = new AwesomeEvent(this, &AwesomePlayer::onBufferingUpdate); 199 mBufferingEventPending = false; 200 201 mCheckAudioStatusEvent = new AwesomeEvent( 202 this, &AwesomePlayer::onCheckAudioStatus); 203 204 mAudioStatusEventPending = false; 205 206 reset(); 207} 208 209AwesomePlayer::~AwesomePlayer() { 210 if (mQueueStarted) { 211 mQueue.stop(); 212 } 213 214 reset(); 215 216 mClient.disconnect(); 217} 218 219void AwesomePlayer::cancelPlayerEvents(bool keepBufferingGoing) { 220 mQueue.cancelEvent(mVideoEvent->eventID()); 221 mVideoEventPending = false; 222 mQueue.cancelEvent(mStreamDoneEvent->eventID()); 223 mStreamDoneEventPending = false; 224 mQueue.cancelEvent(mCheckAudioStatusEvent->eventID()); 225 mAudioStatusEventPending = false; 226 227 if (!keepBufferingGoing) { 228 mQueue.cancelEvent(mBufferingEvent->eventID()); 229 mBufferingEventPending = false; 230 } 231} 232 233void AwesomePlayer::setListener(const wp<MediaPlayerBase> &listener) { 234 Mutex::Autolock autoLock(mLock); 235 mListener = listener; 236} 237 238status_t AwesomePlayer::setDataSource( 239 const char *uri, const KeyedVector<String8, String8> *headers) { 240 Mutex::Autolock autoLock(mLock); 241 return setDataSource_l(uri, headers); 242} 243 244status_t AwesomePlayer::setDataSource_l( 245 const char *uri, const KeyedVector<String8, String8> *headers) { 246 reset_l(); 247 248 mUri = uri; 249 250 if (headers) { 251 mUriHeaders = *headers; 252 } 253 254 // The actual work will be done during preparation in the call to 255 // ::finishSetDataSource_l to avoid blocking the calling thread in 256 // setDataSource for any significant time. 257 258 return OK; 259} 260 261status_t AwesomePlayer::setDataSource( 262 int fd, int64_t offset, int64_t length) { 263 Mutex::Autolock autoLock(mLock); 264 265 reset_l(); 266 267 sp<DataSource> dataSource = new FileSource(fd, offset, length); 268 269 status_t err = dataSource->initCheck(); 270 271 if (err != OK) { 272 return err; 273 } 274 275 mFileSource = dataSource; 276 277 return setDataSource_l(dataSource); 278} 279 280status_t AwesomePlayer::setDataSource_l( 281 const sp<DataSource> &dataSource) { 282 sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource); 283 284 if (extractor == NULL) { 285 return UNKNOWN_ERROR; 286 } 287 288 return setDataSource_l(extractor); 289} 290 291status_t AwesomePlayer::setDataSource_l(const sp<MediaExtractor> &extractor) { 292 bool haveAudio = false; 293 bool haveVideo = false; 294 for (size_t i = 0; i < extractor->countTracks(); ++i) { 295 sp<MetaData> meta = extractor->getTrackMetaData(i); 296 297 const char *mime; 298 CHECK(meta->findCString(kKeyMIMEType, &mime)); 299 300 if (!haveVideo && !strncasecmp(mime, "video/", 6)) { 301 setVideoSource(extractor->getTrack(i)); 302 haveVideo = true; 303 } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) { 304 setAudioSource(extractor->getTrack(i)); 305 haveAudio = true; 306 } 307 308 if (haveAudio && haveVideo) { 309 break; 310 } 311 } 312 313 return !haveAudio && !haveVideo ? UNKNOWN_ERROR : OK; 314} 315 316void AwesomePlayer::reset() { 317 Mutex::Autolock autoLock(mLock); 318 reset_l(); 319} 320 321void AwesomePlayer::reset_l() { 322 if (mFlags & PREPARING) { 323 mFlags |= PREPARE_CANCELLED; 324 if (mConnectingDataSource != NULL) { 325 LOGI("interrupting the connection process"); 326 mConnectingDataSource->disconnect(); 327 } 328 } 329 330 while (mFlags & PREPARING) { 331 mPreparedCondition.wait(mLock); 332 } 333 334 cancelPlayerEvents(); 335 336 if (mPrefetcher != NULL) { 337 CHECK_EQ(mPrefetcher->getStrongCount(), 1); 338 } 339 mPrefetcher.clear(); 340 341 mAudioTrack.clear(); 342 mVideoTrack.clear(); 343 344 // Shutdown audio first, so that the respone to the reset request 345 // appears to happen instantaneously as far as the user is concerned 346 // If we did this later, audio would continue playing while we 347 // shutdown the video-related resources and the player appear to 348 // not be as responsive to a reset request. 349 if (mAudioPlayer == NULL && mAudioSource != NULL) { 350 // If we had an audio player, it would have effectively 351 // taken possession of the audio source and stopped it when 352 // _it_ is stopped. Otherwise this is still our responsibility. 353 mAudioSource->stop(); 354 } 355 mAudioSource.clear(); 356 357 if (mTimeSource != mAudioPlayer) { 358 delete mTimeSource; 359 } 360 mTimeSource = NULL; 361 362 delete mAudioPlayer; 363 mAudioPlayer = NULL; 364 365 mVideoRenderer.clear(); 366 367 if (mLastVideoBuffer) { 368 mLastVideoBuffer->release(); 369 mLastVideoBuffer = NULL; 370 } 371 372 if (mVideoBuffer) { 373 mVideoBuffer->release(); 374 mVideoBuffer = NULL; 375 } 376 377 if (mVideoSource != NULL) { 378 mVideoSource->stop(); 379 380 // The following hack is necessary to ensure that the OMX 381 // component is completely released by the time we may try 382 // to instantiate it again. 383 wp<MediaSource> tmp = mVideoSource; 384 mVideoSource.clear(); 385 while (tmp.promote() != NULL) { 386 usleep(1000); 387 } 388 IPCThreadState::self()->flushCommands(); 389 } 390 391 mDurationUs = -1; 392 mFlags = 0; 393 mVideoWidth = mVideoHeight = -1; 394 mTimeSourceDeltaUs = 0; 395 mVideoTimeUs = 0; 396 397 mSeeking = false; 398 mSeekNotificationSent = false; 399 mSeekTimeUs = 0; 400 401 mUri.setTo(""); 402 mUriHeaders.clear(); 403 404 mFileSource.clear(); 405 406 delete mSuspensionState; 407 mSuspensionState = NULL; 408} 409 410void AwesomePlayer::notifyListener_l(int msg, int ext1, int ext2) { 411 if (mListener != NULL) { 412 sp<MediaPlayerBase> listener = mListener.promote(); 413 414 if (listener != NULL) { 415 listener->sendEvent(msg, ext1, ext2); 416 } 417 } 418} 419 420void AwesomePlayer::onBufferingUpdate() { 421 Mutex::Autolock autoLock(mLock); 422 if (!mBufferingEventPending) { 423 return; 424 } 425 mBufferingEventPending = false; 426 427 int64_t durationUs; 428 { 429 Mutex::Autolock autoLock(mMiscStateLock); 430 durationUs = mDurationUs; 431 } 432 433 if (durationUs >= 0) { 434 int64_t cachedDurationUs = mPrefetcher->getCachedDurationUs(); 435 436 LOGV("cache holds %.2f secs worth of data.", cachedDurationUs / 1E6); 437 438 int64_t positionUs; 439 getPosition(&positionUs); 440 441 cachedDurationUs += positionUs; 442 443 double percentage = (double)cachedDurationUs / durationUs; 444 notifyListener_l(MEDIA_BUFFERING_UPDATE, percentage * 100.0); 445 446 postBufferingEvent_l(); 447 } 448} 449 450void AwesomePlayer::onStreamDone() { 451 // Posted whenever any stream finishes playing. 452 453 Mutex::Autolock autoLock(mLock); 454 if (!mStreamDoneEventPending) { 455 return; 456 } 457 mStreamDoneEventPending = false; 458 459 if (mStreamDoneStatus == ERROR_END_OF_STREAM && (mFlags & LOOPING)) { 460 seekTo_l(0); 461 462 if (mVideoSource != NULL) { 463 postVideoEvent_l(); 464 } 465 } else { 466 if (mStreamDoneStatus == ERROR_END_OF_STREAM) { 467 LOGV("MEDIA_PLAYBACK_COMPLETE"); 468 notifyListener_l(MEDIA_PLAYBACK_COMPLETE); 469 } else { 470 LOGV("MEDIA_ERROR %d", mStreamDoneStatus); 471 472 notifyListener_l( 473 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, mStreamDoneStatus); 474 } 475 476 pause_l(); 477 478 mFlags |= AT_EOS; 479 } 480} 481 482status_t AwesomePlayer::play() { 483 Mutex::Autolock autoLock(mLock); 484 return play_l(); 485} 486 487status_t AwesomePlayer::play_l() { 488 if (mFlags & PLAYING) { 489 return OK; 490 } 491 492 if (!(mFlags & PREPARED)) { 493 status_t err = prepare_l(); 494 495 if (err != OK) { 496 return err; 497 } 498 } 499 500 mFlags |= PLAYING; 501 mFlags |= FIRST_FRAME; 502 503 bool deferredAudioSeek = false; 504 505 if (mAudioSource != NULL) { 506 if (mAudioPlayer == NULL) { 507 if (mAudioSink != NULL) { 508 mAudioPlayer = new AudioPlayer(mAudioSink); 509 mAudioPlayer->setSource(mAudioSource); 510 511 // We've already started the MediaSource in order to enable 512 // the prefetcher to read its data. 513 status_t err = mAudioPlayer->start( 514 true /* sourceAlreadyStarted */); 515 516 if (err != OK) { 517 delete mAudioPlayer; 518 mAudioPlayer = NULL; 519 520 mFlags &= ~(PLAYING | FIRST_FRAME); 521 522 return err; 523 } 524 525 delete mTimeSource; 526 mTimeSource = mAudioPlayer; 527 528 deferredAudioSeek = true; 529 530 mWatchForAudioSeekComplete = false; 531 mWatchForAudioEOS = true; 532 } 533 } else { 534 mAudioPlayer->resume(); 535 } 536 537 postCheckAudioStatusEvent_l(); 538 } 539 540 if (mTimeSource == NULL && mAudioPlayer == NULL) { 541 mTimeSource = new SystemTimeSource; 542 } 543 544 if (mVideoSource != NULL) { 545 // Kick off video playback 546 postVideoEvent_l(); 547 } 548 549 if (deferredAudioSeek) { 550 // If there was a seek request while we were paused 551 // and we're just starting up again, honor the request now. 552 seekAudioIfNecessary_l(); 553 } 554 555 postBufferingEvent_l(); 556 557 if (mFlags & AT_EOS) { 558 // Legacy behaviour, if a stream finishes playing and then 559 // is started again, we play from the start... 560 seekTo_l(0); 561 } 562 563 return OK; 564} 565 566void AwesomePlayer::initRenderer_l() { 567 if (mISurface != NULL) { 568 sp<MetaData> meta = mVideoSource->getFormat(); 569 570 int32_t format; 571 const char *component; 572 int32_t decodedWidth, decodedHeight; 573 CHECK(meta->findInt32(kKeyColorFormat, &format)); 574 CHECK(meta->findCString(kKeyDecoderComponent, &component)); 575 CHECK(meta->findInt32(kKeyWidth, &decodedWidth)); 576 CHECK(meta->findInt32(kKeyHeight, &decodedHeight)); 577 578 mVideoRenderer.clear(); 579 580 // Must ensure that mVideoRenderer's destructor is actually executed 581 // before creating a new one. 582 IPCThreadState::self()->flushCommands(); 583 584 if (!strncmp("OMX.", component, 4)) { 585 // Our OMX codecs allocate buffers on the media_server side 586 // therefore they require a remote IOMXRenderer that knows how 587 // to display them. 588 mVideoRenderer = new AwesomeRemoteRenderer( 589 mClient.interface()->createRenderer( 590 mISurface, component, 591 (OMX_COLOR_FORMATTYPE)format, 592 decodedWidth, decodedHeight, 593 mVideoWidth, mVideoHeight)); 594 } else { 595 // Other decoders are instantiated locally and as a consequence 596 // allocate their buffers in local address space. 597 mVideoRenderer = new AwesomeLocalRenderer( 598 false, // previewOnly 599 component, 600 (OMX_COLOR_FORMATTYPE)format, 601 mISurface, 602 mVideoWidth, mVideoHeight, 603 decodedWidth, decodedHeight); 604 } 605 } 606} 607 608status_t AwesomePlayer::pause() { 609 Mutex::Autolock autoLock(mLock); 610 return pause_l(); 611} 612 613status_t AwesomePlayer::pause_l() { 614 if (!(mFlags & PLAYING)) { 615 return OK; 616 } 617 618 cancelPlayerEvents(true /* keepBufferingGoing */); 619 620 if (mAudioPlayer != NULL) { 621 mAudioPlayer->pause(); 622 } 623 624 mFlags &= ~PLAYING; 625 626 return OK; 627} 628 629bool AwesomePlayer::isPlaying() const { 630 return mFlags & PLAYING; 631} 632 633void AwesomePlayer::setISurface(const sp<ISurface> &isurface) { 634 Mutex::Autolock autoLock(mLock); 635 636 mISurface = isurface; 637} 638 639void AwesomePlayer::setAudioSink( 640 const sp<MediaPlayerBase::AudioSink> &audioSink) { 641 Mutex::Autolock autoLock(mLock); 642 643 mAudioSink = audioSink; 644} 645 646status_t AwesomePlayer::setLooping(bool shouldLoop) { 647 Mutex::Autolock autoLock(mLock); 648 649 mFlags = mFlags & ~LOOPING; 650 651 if (shouldLoop) { 652 mFlags |= LOOPING; 653 } 654 655 return OK; 656} 657 658status_t AwesomePlayer::getDuration(int64_t *durationUs) { 659 Mutex::Autolock autoLock(mMiscStateLock); 660 661 if (mDurationUs < 0) { 662 return UNKNOWN_ERROR; 663 } 664 665 *durationUs = mDurationUs; 666 667 return OK; 668} 669 670status_t AwesomePlayer::getPosition(int64_t *positionUs) { 671 if (mVideoSource != NULL) { 672 Mutex::Autolock autoLock(mMiscStateLock); 673 *positionUs = mVideoTimeUs; 674 } else if (mAudioPlayer != NULL) { 675 *positionUs = mAudioPlayer->getMediaTimeUs(); 676 } else { 677 *positionUs = 0; 678 } 679 680 return OK; 681} 682 683status_t AwesomePlayer::seekTo(int64_t timeUs) { 684 Mutex::Autolock autoLock(mLock); 685 return seekTo_l(timeUs); 686} 687 688status_t AwesomePlayer::seekTo_l(int64_t timeUs) { 689 mSeeking = true; 690 mSeekNotificationSent = false; 691 mSeekTimeUs = timeUs; 692 mFlags &= ~AT_EOS; 693 694 seekAudioIfNecessary_l(); 695 696 if (!(mFlags & PLAYING)) { 697 LOGV("seeking while paused, sending SEEK_COMPLETE notification" 698 " immediately."); 699 700 notifyListener_l(MEDIA_SEEK_COMPLETE); 701 mSeekNotificationSent = true; 702 } 703 704 return OK; 705} 706 707void AwesomePlayer::seekAudioIfNecessary_l() { 708 if (mSeeking && mVideoSource == NULL && mAudioPlayer != NULL) { 709 mAudioPlayer->seekTo(mSeekTimeUs); 710 711 mWatchForAudioSeekComplete = true; 712 mWatchForAudioEOS = true; 713 mSeeking = false; 714 mSeekNotificationSent = false; 715 } 716} 717 718status_t AwesomePlayer::getVideoDimensions( 719 int32_t *width, int32_t *height) const { 720 Mutex::Autolock autoLock(mLock); 721 722 if (mVideoWidth < 0 || mVideoHeight < 0) { 723 return UNKNOWN_ERROR; 724 } 725 726 *width = mVideoWidth; 727 *height = mVideoHeight; 728 729 return OK; 730} 731 732void AwesomePlayer::setAudioSource(sp<MediaSource> source) { 733 CHECK(source != NULL); 734 735 if (mPrefetcher != NULL) { 736 source = mPrefetcher->addSource(source); 737 } 738 739 mAudioTrack = source; 740} 741 742status_t AwesomePlayer::initAudioDecoder() { 743 sp<MetaData> meta = mAudioTrack->getFormat(); 744 745 const char *mime; 746 CHECK(meta->findCString(kKeyMIMEType, &mime)); 747 748 if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) { 749 mAudioSource = mAudioTrack; 750 } else { 751 mAudioSource = OMXCodec::Create( 752 mClient.interface(), mAudioTrack->getFormat(), 753 false, // createEncoder 754 mAudioTrack); 755 } 756 757 if (mAudioSource != NULL) { 758 int64_t durationUs; 759 if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) { 760 Mutex::Autolock autoLock(mMiscStateLock); 761 if (mDurationUs < 0 || durationUs > mDurationUs) { 762 mDurationUs = durationUs; 763 } 764 } 765 } 766 767 mAudioSource->start(); 768 769 return mAudioSource != NULL ? OK : UNKNOWN_ERROR; 770} 771 772void AwesomePlayer::setVideoSource(sp<MediaSource> source) { 773 CHECK(source != NULL); 774 775 if (mPrefetcher != NULL) { 776 source = mPrefetcher->addSource(source); 777 } 778 779 mVideoTrack = source; 780} 781 782status_t AwesomePlayer::initVideoDecoder() { 783 mVideoSource = OMXCodec::Create( 784 mClient.interface(), mVideoTrack->getFormat(), 785 false, // createEncoder 786 mVideoTrack); 787 788 if (mVideoSource != NULL) { 789 int64_t durationUs; 790 if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) { 791 Mutex::Autolock autoLock(mMiscStateLock); 792 if (mDurationUs < 0 || durationUs > mDurationUs) { 793 mDurationUs = durationUs; 794 } 795 } 796 797 CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth)); 798 CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight)); 799 800 mVideoSource->start(); 801 } 802 803 return mVideoSource != NULL ? OK : UNKNOWN_ERROR; 804} 805 806void AwesomePlayer::onVideoEvent() { 807 Mutex::Autolock autoLock(mLock); 808 if (!mVideoEventPending) { 809 // The event has been cancelled in reset_l() but had already 810 // been scheduled for execution at that time. 811 return; 812 } 813 mVideoEventPending = false; 814 815 if (mSeeking) { 816 if (mLastVideoBuffer) { 817 mLastVideoBuffer->release(); 818 mLastVideoBuffer = NULL; 819 } 820 821 if (mVideoBuffer) { 822 mVideoBuffer->release(); 823 mVideoBuffer = NULL; 824 } 825 } 826 827 if (!mVideoBuffer) { 828 MediaSource::ReadOptions options; 829 if (mSeeking) { 830 LOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6); 831 832 options.setSeekTo(mSeekTimeUs); 833 } 834 for (;;) { 835 status_t err = mVideoSource->read(&mVideoBuffer, &options); 836 options.clearSeekTo(); 837 838 if (err != OK) { 839 CHECK_EQ(mVideoBuffer, NULL); 840 841 if (err == INFO_FORMAT_CHANGED) { 842 LOGV("VideoSource signalled format change."); 843 844 if (mVideoRenderer != NULL) { 845 mVideoRendererIsPreview = false; 846 initRenderer_l(); 847 } 848 continue; 849 } 850 851 postStreamDoneEvent_l(err); 852 return; 853 } 854 855 if (mVideoBuffer->range_length() == 0) { 856 // Some decoders, notably the PV AVC software decoder 857 // return spurious empty buffers that we just want to ignore. 858 859 mVideoBuffer->release(); 860 mVideoBuffer = NULL; 861 continue; 862 } 863 864 break; 865 } 866 } 867 868 int64_t timeUs; 869 CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs)); 870 871 { 872 Mutex::Autolock autoLock(mMiscStateLock); 873 mVideoTimeUs = timeUs; 874 } 875 876 if (mSeeking) { 877 if (mAudioPlayer != NULL) { 878 LOGV("seeking audio to %lld us (%.2f secs).", timeUs, timeUs / 1E6); 879 880 mAudioPlayer->seekTo(timeUs); 881 mWatchForAudioSeekComplete = true; 882 mWatchForAudioEOS = true; 883 } else if (!mSeekNotificationSent) { 884 // If we're playing video only, report seek complete now, 885 // otherwise audio player will notify us later. 886 notifyListener_l(MEDIA_SEEK_COMPLETE); 887 } 888 889 mFlags |= FIRST_FRAME; 890 mSeeking = false; 891 mSeekNotificationSent = false; 892 } 893 894 if (mFlags & FIRST_FRAME) { 895 mFlags &= ~FIRST_FRAME; 896 897 mTimeSourceDeltaUs = mTimeSource->getRealTimeUs() - timeUs; 898 } 899 900 int64_t realTimeUs, mediaTimeUs; 901 if (mAudioPlayer != NULL 902 && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) { 903 mTimeSourceDeltaUs = realTimeUs - mediaTimeUs; 904 } 905 906 int64_t nowUs = mTimeSource->getRealTimeUs() - mTimeSourceDeltaUs; 907 908 int64_t latenessUs = nowUs - timeUs; 909 910 if (latenessUs > 40000) { 911 // We're more than 40ms late. 912 LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6); 913 914 mVideoBuffer->release(); 915 mVideoBuffer = NULL; 916 917 postVideoEvent_l(); 918 return; 919 } 920 921 if (latenessUs < -10000) { 922 // We're more than 10ms early. 923 924 postVideoEvent_l(10000); 925 return; 926 } 927 928 if (mVideoRendererIsPreview || mVideoRenderer == NULL) { 929 mVideoRendererIsPreview = false; 930 931 initRenderer_l(); 932 } 933 934 if (mVideoRenderer != NULL) { 935 mVideoRenderer->render(mVideoBuffer); 936 } 937 938 if (mLastVideoBuffer) { 939 mLastVideoBuffer->release(); 940 mLastVideoBuffer = NULL; 941 } 942 mLastVideoBuffer = mVideoBuffer; 943 mVideoBuffer = NULL; 944 945 postVideoEvent_l(); 946} 947 948void AwesomePlayer::postVideoEvent_l(int64_t delayUs) { 949 if (mVideoEventPending) { 950 return; 951 } 952 953 mVideoEventPending = true; 954 mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs); 955} 956 957void AwesomePlayer::postStreamDoneEvent_l(status_t status) { 958 if (mStreamDoneEventPending) { 959 return; 960 } 961 mStreamDoneEventPending = true; 962 963 mStreamDoneStatus = status; 964 mQueue.postEvent(mStreamDoneEvent); 965} 966 967void AwesomePlayer::postBufferingEvent_l() { 968 if (mPrefetcher == NULL) { 969 return; 970 } 971 972 if (mBufferingEventPending) { 973 return; 974 } 975 mBufferingEventPending = true; 976 mQueue.postEventWithDelay(mBufferingEvent, 1000000ll); 977} 978 979void AwesomePlayer::postCheckAudioStatusEvent_l() { 980 if (mAudioStatusEventPending) { 981 return; 982 } 983 mAudioStatusEventPending = true; 984 mQueue.postEventWithDelay(mCheckAudioStatusEvent, 100000ll); 985} 986 987void AwesomePlayer::onCheckAudioStatus() { 988 Mutex::Autolock autoLock(mLock); 989 if (!mAudioStatusEventPending) { 990 // Event was dispatched and while we were blocking on the mutex, 991 // has already been cancelled. 992 return; 993 } 994 995 mAudioStatusEventPending = false; 996 997 if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) { 998 mWatchForAudioSeekComplete = false; 999 1000 if (!mSeekNotificationSent) { 1001 notifyListener_l(MEDIA_SEEK_COMPLETE); 1002 mSeekNotificationSent = true; 1003 } 1004 } 1005 1006 status_t finalStatus; 1007 if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) { 1008 mWatchForAudioEOS = false; 1009 postStreamDoneEvent_l(finalStatus); 1010 } 1011 1012 postCheckAudioStatusEvent_l(); 1013} 1014 1015status_t AwesomePlayer::prepare() { 1016 Mutex::Autolock autoLock(mLock); 1017 return prepare_l(); 1018} 1019 1020status_t AwesomePlayer::prepare_l() { 1021 if (mFlags & PREPARED) { 1022 return OK; 1023 } 1024 1025 if (mFlags & PREPARING) { 1026 return UNKNOWN_ERROR; 1027 } 1028 1029 mIsAsyncPrepare = false; 1030 status_t err = prepareAsync_l(); 1031 1032 if (err != OK) { 1033 return err; 1034 } 1035 1036 while (mFlags & PREPARING) { 1037 mPreparedCondition.wait(mLock); 1038 } 1039 1040 return mPrepareResult; 1041} 1042 1043status_t AwesomePlayer::prepareAsync() { 1044 Mutex::Autolock autoLock(mLock); 1045 1046 if (mFlags & PREPARING) { 1047 return UNKNOWN_ERROR; // async prepare already pending 1048 } 1049 1050 mIsAsyncPrepare = true; 1051 return prepareAsync_l(); 1052} 1053 1054status_t AwesomePlayer::prepareAsync_l() { 1055 if (mFlags & PREPARING) { 1056 return UNKNOWN_ERROR; // async prepare already pending 1057 } 1058 1059 if (!mQueueStarted) { 1060 mQueue.start(); 1061 mQueueStarted = true; 1062 } 1063 1064 mFlags |= PREPARING; 1065 mAsyncPrepareEvent = new AwesomeEvent( 1066 this, &AwesomePlayer::onPrepareAsyncEvent); 1067 1068 mQueue.postEvent(mAsyncPrepareEvent); 1069 1070 return OK; 1071} 1072 1073status_t AwesomePlayer::finishSetDataSource_l() { 1074 sp<DataSource> dataSource; 1075 1076 if (!strncasecmp("http://", mUri.string(), 7)) { 1077 mConnectingDataSource = new HTTPDataSource(mUri, &mUriHeaders); 1078 1079 mLock.unlock(); 1080 status_t err = mConnectingDataSource->connect(); 1081 mLock.lock(); 1082 1083 if (err != OK) { 1084 mConnectingDataSource.clear(); 1085 1086 LOGI("mConnectingDataSource->connect() returned %d", err); 1087 return err; 1088 } 1089 1090 dataSource = new CachingDataSource( 1091 mConnectingDataSource, 32 * 1024, 20); 1092 1093 mConnectingDataSource.clear(); 1094 } else { 1095 dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders); 1096 } 1097 1098 if (dataSource == NULL) { 1099 return UNKNOWN_ERROR; 1100 } 1101 1102 sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource); 1103 1104 if (extractor == NULL) { 1105 return UNKNOWN_ERROR; 1106 } 1107 1108 if (dataSource->flags() & DataSource::kWantsPrefetching) { 1109 mPrefetcher = new Prefetcher; 1110 } 1111 1112 return setDataSource_l(extractor); 1113} 1114 1115void AwesomePlayer::abortPrepare(status_t err) { 1116 CHECK(err != OK); 1117 1118 if (mIsAsyncPrepare) { 1119 notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 1120 } 1121 1122 mPrepareResult = err; 1123 mFlags &= ~(PREPARING|PREPARE_CANCELLED); 1124 mAsyncPrepareEvent = NULL; 1125 mPreparedCondition.broadcast(); 1126} 1127 1128// static 1129bool AwesomePlayer::ContinuePreparation(void *cookie) { 1130 AwesomePlayer *me = static_cast<AwesomePlayer *>(cookie); 1131 1132 return (me->mFlags & PREPARE_CANCELLED) == 0; 1133} 1134 1135void AwesomePlayer::onPrepareAsyncEvent() { 1136 sp<Prefetcher> prefetcher; 1137 1138 { 1139 Mutex::Autolock autoLock(mLock); 1140 1141 if (mFlags & PREPARE_CANCELLED) { 1142 LOGI("prepare was cancelled before doing anything"); 1143 abortPrepare(UNKNOWN_ERROR); 1144 return; 1145 } 1146 1147 if (mUri.size() > 0) { 1148 status_t err = finishSetDataSource_l(); 1149 1150 if (err != OK) { 1151 abortPrepare(err); 1152 return; 1153 } 1154 } 1155 1156 if (mVideoTrack != NULL && mVideoSource == NULL) { 1157 status_t err = initVideoDecoder(); 1158 1159 if (err != OK) { 1160 abortPrepare(err); 1161 return; 1162 } 1163 } 1164 1165 if (mAudioTrack != NULL && mAudioSource == NULL) { 1166 status_t err = initAudioDecoder(); 1167 1168 if (err != OK) { 1169 abortPrepare(err); 1170 return; 1171 } 1172 } 1173 1174 prefetcher = mPrefetcher; 1175 } 1176 1177 if (prefetcher != NULL) { 1178 { 1179 Mutex::Autolock autoLock(mLock); 1180 if (mFlags & PREPARE_CANCELLED) { 1181 LOGI("prepare was cancelled before preparing the prefetcher"); 1182 1183 prefetcher.clear(); 1184 abortPrepare(UNKNOWN_ERROR); 1185 return; 1186 } 1187 } 1188 1189 LOGI("calling prefetcher->prepare()"); 1190 status_t result = 1191 prefetcher->prepare(&AwesomePlayer::ContinuePreparation, this); 1192 1193 prefetcher.clear(); 1194 1195 if (result == OK) { 1196 LOGI("prefetcher is done preparing"); 1197 } else { 1198 Mutex::Autolock autoLock(mLock); 1199 1200 CHECK_EQ(result, -EINTR); 1201 1202 LOGI("prefetcher->prepare() was cancelled early."); 1203 abortPrepare(UNKNOWN_ERROR); 1204 return; 1205 } 1206 } 1207 1208 Mutex::Autolock autoLock(mLock); 1209 1210 if (mIsAsyncPrepare) { 1211 if (mVideoWidth < 0 || mVideoHeight < 0) { 1212 notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0); 1213 } else { 1214 notifyListener_l(MEDIA_SET_VIDEO_SIZE, mVideoWidth, mVideoHeight); 1215 } 1216 1217 notifyListener_l(MEDIA_PREPARED); 1218 } 1219 1220 mPrepareResult = OK; 1221 mFlags &= ~(PREPARING|PREPARE_CANCELLED); 1222 mFlags |= PREPARED; 1223 mAsyncPrepareEvent = NULL; 1224 mPreparedCondition.broadcast(); 1225} 1226 1227status_t AwesomePlayer::suspend() { 1228 LOGV("suspend"); 1229 Mutex::Autolock autoLock(mLock); 1230 1231 if (mSuspensionState != NULL) { 1232 return INVALID_OPERATION; 1233 } 1234 1235 if (mFlags & PREPARING) { 1236 mFlags |= PREPARE_CANCELLED; 1237 if (mConnectingDataSource != NULL) { 1238 LOGI("interrupting the connection process"); 1239 mConnectingDataSource->disconnect(); 1240 } 1241 } 1242 1243 while (mFlags & PREPARING) { 1244 mPreparedCondition.wait(mLock); 1245 } 1246 1247 SuspensionState *state = new SuspensionState; 1248 state->mUri = mUri; 1249 state->mUriHeaders = mUriHeaders; 1250 state->mFileSource = mFileSource; 1251 1252 state->mFlags = mFlags & (PLAYING | LOOPING | AT_EOS); 1253 getPosition(&state->mPositionUs); 1254 1255 if (mLastVideoBuffer) { 1256 size_t size = mLastVideoBuffer->range_length(); 1257 if (size) { 1258 state->mLastVideoFrameSize = size; 1259 state->mLastVideoFrame = malloc(size); 1260 memcpy(state->mLastVideoFrame, 1261 (const uint8_t *)mLastVideoBuffer->data() 1262 + mLastVideoBuffer->range_offset(), 1263 size); 1264 1265 state->mVideoWidth = mVideoWidth; 1266 state->mVideoHeight = mVideoHeight; 1267 1268 sp<MetaData> meta = mVideoSource->getFormat(); 1269 CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat)); 1270 CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth)); 1271 CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight)); 1272 } 1273 } 1274 1275 reset_l(); 1276 1277 mSuspensionState = state; 1278 1279 return OK; 1280} 1281 1282status_t AwesomePlayer::resume() { 1283 LOGV("resume"); 1284 Mutex::Autolock autoLock(mLock); 1285 1286 if (mSuspensionState == NULL) { 1287 return INVALID_OPERATION; 1288 } 1289 1290 SuspensionState *state = mSuspensionState; 1291 mSuspensionState = NULL; 1292 1293 status_t err; 1294 if (state->mFileSource != NULL) { 1295 err = setDataSource_l(state->mFileSource); 1296 1297 if (err == OK) { 1298 mFileSource = state->mFileSource; 1299 } 1300 } else { 1301 err = setDataSource_l(state->mUri, &state->mUriHeaders); 1302 } 1303 1304 if (err != OK) { 1305 delete state; 1306 state = NULL; 1307 1308 return err; 1309 } 1310 1311 seekTo_l(state->mPositionUs); 1312 1313 mFlags = state->mFlags & (LOOPING | AT_EOS); 1314 1315 if (state->mLastVideoFrame && mISurface != NULL) { 1316 mVideoRenderer = 1317 new AwesomeLocalRenderer( 1318 true, // previewOnly 1319 "", 1320 (OMX_COLOR_FORMATTYPE)state->mColorFormat, 1321 mISurface, 1322 state->mVideoWidth, 1323 state->mVideoHeight, 1324 state->mDecodedWidth, 1325 state->mDecodedHeight); 1326 1327 mVideoRendererIsPreview = true; 1328 1329 ((AwesomeLocalRenderer *)mVideoRenderer.get())->render( 1330 state->mLastVideoFrame, state->mLastVideoFrameSize); 1331 } 1332 1333 if (state->mFlags & PLAYING) { 1334 play_l(); 1335 } 1336 1337 delete state; 1338 state = NULL; 1339 1340 return OK; 1341} 1342 1343} // namespace android 1344 1345