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 "NuPlayer" 19 #include <utils/Log.h> 20 21 #include "NuPlayer.h" 22 23 #include "HTTPLiveSource.h" 24 #include "NuPlayerDecoder.h" 25 #include "NuPlayerDriver.h" 26 #include "NuPlayerRenderer.h" 27 #include "NuPlayerSource.h" 28 #include "RTSPSource.h" 29 #include "StreamingSource.h" 30 31 #include "ATSParser.h" 32 33 #include <media/stagefright/foundation/hexdump.h> 34 #include <media/stagefright/foundation/ABuffer.h> 35 #include <media/stagefright/foundation/ADebug.h> 36 #include <media/stagefright/foundation/AMessage.h> 37 #include <media/stagefright/ACodec.h> 38 #include <media/stagefright/MediaDefs.h> 39 #include <media/stagefright/MediaErrors.h> 40 #include <media/stagefright/MetaData.h> 41 #include <surfaceflinger/Surface.h> 42 #include <gui/ISurfaceTexture.h> 43 44 #include "avc_utils.h" 45 46 namespace android { 47 48 //////////////////////////////////////////////////////////////////////////////// 49 50 NuPlayer::NuPlayer() 51 : mUIDValid(false), 52 mVideoIsAVC(false), 53 mAudioEOS(false), 54 mVideoEOS(false), 55 mScanSourcesPending(false), 56 mScanSourcesGeneration(0), 57 mTimeDiscontinuityPending(false), 58 mFlushingAudio(NONE), 59 mFlushingVideo(NONE), 60 mResetInProgress(false), 61 mResetPostponed(false), 62 mSkipRenderingAudioUntilMediaTimeUs(-1ll), 63 mSkipRenderingVideoUntilMediaTimeUs(-1ll), 64 mVideoLateByUs(0ll), 65 mNumFramesTotal(0ll), 66 mNumFramesDropped(0ll) { 67 } 68 69 NuPlayer::~NuPlayer() { 70 } 71 72 void NuPlayer::setUID(uid_t uid) { 73 mUIDValid = true; 74 mUID = uid; 75 } 76 77 void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 78 mDriver = driver; 79 } 80 81 void NuPlayer::setDataSource(const sp<IStreamSource> &source) { 82 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 83 84 msg->setObject("source", new StreamingSource(source)); 85 msg->post(); 86 } 87 88 void NuPlayer::setDataSource( 89 const char *url, const KeyedVector<String8, String8> *headers) { 90 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 91 92 if (!strncasecmp(url, "rtsp://", 7)) { 93 msg->setObject( 94 "source", new RTSPSource(url, headers, mUIDValid, mUID)); 95 } else { 96 msg->setObject( 97 "source", new HTTPLiveSource(url, headers, mUIDValid, mUID)); 98 } 99 100 msg->post(); 101 } 102 103 void NuPlayer::setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) { 104 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 105 sp<SurfaceTextureClient> surfaceTextureClient(surfaceTexture != NULL ? 106 new SurfaceTextureClient(surfaceTexture) : NULL); 107 msg->setObject("native-window", new NativeWindowWrapper(surfaceTextureClient)); 108 msg->post(); 109 } 110 111 void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 112 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 113 msg->setObject("sink", sink); 114 msg->post(); 115 } 116 117 void NuPlayer::start() { 118 (new AMessage(kWhatStart, id()))->post(); 119 } 120 121 void NuPlayer::pause() { 122 (new AMessage(kWhatPause, id()))->post(); 123 } 124 125 void NuPlayer::resume() { 126 (new AMessage(kWhatResume, id()))->post(); 127 } 128 129 void NuPlayer::resetAsync() { 130 (new AMessage(kWhatReset, id()))->post(); 131 } 132 133 void NuPlayer::seekToAsync(int64_t seekTimeUs) { 134 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 135 msg->setInt64("seekTimeUs", seekTimeUs); 136 msg->post(); 137 } 138 139 // static 140 bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { 141 switch (state) { 142 case FLUSHING_DECODER: 143 if (needShutdown != NULL) { 144 *needShutdown = false; 145 } 146 return true; 147 148 case FLUSHING_DECODER_SHUTDOWN: 149 if (needShutdown != NULL) { 150 *needShutdown = true; 151 } 152 return true; 153 154 default: 155 return false; 156 } 157 } 158 159 void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 160 switch (msg->what()) { 161 case kWhatSetDataSource: 162 { 163 LOGV("kWhatSetDataSource"); 164 165 CHECK(mSource == NULL); 166 167 sp<RefBase> obj; 168 CHECK(msg->findObject("source", &obj)); 169 170 mSource = static_cast<Source *>(obj.get()); 171 break; 172 } 173 174 case kWhatSetVideoNativeWindow: 175 { 176 LOGV("kWhatSetVideoNativeWindow"); 177 178 sp<RefBase> obj; 179 CHECK(msg->findObject("native-window", &obj)); 180 181 mNativeWindow = static_cast<NativeWindowWrapper *>(obj.get()); 182 break; 183 } 184 185 case kWhatSetAudioSink: 186 { 187 LOGV("kWhatSetAudioSink"); 188 189 sp<RefBase> obj; 190 CHECK(msg->findObject("sink", &obj)); 191 192 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 193 break; 194 } 195 196 case kWhatStart: 197 { 198 LOGV("kWhatStart"); 199 200 mVideoIsAVC = false; 201 mAudioEOS = false; 202 mVideoEOS = false; 203 mSkipRenderingAudioUntilMediaTimeUs = -1; 204 mSkipRenderingVideoUntilMediaTimeUs = -1; 205 mVideoLateByUs = 0; 206 mNumFramesTotal = 0; 207 mNumFramesDropped = 0; 208 209 mSource->start(); 210 211 mRenderer = new Renderer( 212 mAudioSink, 213 new AMessage(kWhatRendererNotify, id())); 214 215 looper()->registerHandler(mRenderer); 216 217 postScanSources(); 218 break; 219 } 220 221 case kWhatScanSources: 222 { 223 int32_t generation; 224 CHECK(msg->findInt32("generation", &generation)); 225 if (generation != mScanSourcesGeneration) { 226 // Drop obsolete msg. 227 break; 228 } 229 230 mScanSourcesPending = false; 231 232 LOGV("scanning sources haveAudio=%d, haveVideo=%d", 233 mAudioDecoder != NULL, mVideoDecoder != NULL); 234 235 instantiateDecoder(false, &mVideoDecoder); 236 237 if (mAudioSink != NULL) { 238 instantiateDecoder(true, &mAudioDecoder); 239 } 240 241 status_t err; 242 if ((err = mSource->feedMoreTSData()) != OK) { 243 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 244 // We're not currently decoding anything (no audio or 245 // video tracks found) and we just ran out of input data. 246 247 if (err == ERROR_END_OF_STREAM) { 248 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 249 } else { 250 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 251 } 252 } 253 break; 254 } 255 256 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 257 msg->post(100000ll); 258 mScanSourcesPending = true; 259 } 260 break; 261 } 262 263 case kWhatVideoNotify: 264 case kWhatAudioNotify: 265 { 266 bool audio = msg->what() == kWhatAudioNotify; 267 268 sp<AMessage> codecRequest; 269 CHECK(msg->findMessage("codec-request", &codecRequest)); 270 271 int32_t what; 272 CHECK(codecRequest->findInt32("what", &what)); 273 274 if (what == ACodec::kWhatFillThisBuffer) { 275 status_t err = feedDecoderInputData( 276 audio, codecRequest); 277 278 if (err == -EWOULDBLOCK) { 279 if (mSource->feedMoreTSData() == OK) { 280 msg->post(10000ll); 281 } 282 } 283 } else if (what == ACodec::kWhatEOS) { 284 int32_t err; 285 CHECK(codecRequest->findInt32("err", &err)); 286 287 if (err == ERROR_END_OF_STREAM) { 288 LOGV("got %s decoder EOS", audio ? "audio" : "video"); 289 } else { 290 LOGV("got %s decoder EOS w/ error %d", 291 audio ? "audio" : "video", 292 err); 293 } 294 295 mRenderer->queueEOS(audio, err); 296 } else if (what == ACodec::kWhatFlushCompleted) { 297 bool needShutdown; 298 299 if (audio) { 300 CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); 301 mFlushingAudio = FLUSHED; 302 } else { 303 CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); 304 mFlushingVideo = FLUSHED; 305 306 mVideoLateByUs = 0; 307 } 308 309 LOGV("decoder %s flush completed", audio ? "audio" : "video"); 310 311 if (needShutdown) { 312 LOGV("initiating %s decoder shutdown", 313 audio ? "audio" : "video"); 314 315 (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown(); 316 317 if (audio) { 318 mFlushingAudio = SHUTTING_DOWN_DECODER; 319 } else { 320 mFlushingVideo = SHUTTING_DOWN_DECODER; 321 } 322 } 323 324 finishFlushIfPossible(); 325 } else if (what == ACodec::kWhatOutputFormatChanged) { 326 if (audio) { 327 int32_t numChannels; 328 CHECK(codecRequest->findInt32("channel-count", &numChannels)); 329 330 int32_t sampleRate; 331 CHECK(codecRequest->findInt32("sample-rate", &sampleRate)); 332 333 LOGV("Audio output format changed to %d Hz, %d channels", 334 sampleRate, numChannels); 335 336 mAudioSink->close(); 337 CHECK_EQ(mAudioSink->open( 338 sampleRate, 339 numChannels, 340 AUDIO_FORMAT_PCM_16_BIT, 341 8 /* bufferCount */), 342 (status_t)OK); 343 mAudioSink->start(); 344 345 mRenderer->signalAudioSinkChanged(); 346 } else { 347 // video 348 349 int32_t width, height; 350 CHECK(codecRequest->findInt32("width", &width)); 351 CHECK(codecRequest->findInt32("height", &height)); 352 353 int32_t cropLeft, cropTop, cropRight, cropBottom; 354 CHECK(codecRequest->findRect( 355 "crop", 356 &cropLeft, &cropTop, &cropRight, &cropBottom)); 357 358 LOGV("Video output format changed to %d x %d " 359 "(crop: %d x %d @ (%d, %d))", 360 width, height, 361 (cropRight - cropLeft + 1), 362 (cropBottom - cropTop + 1), 363 cropLeft, cropTop); 364 365 notifyListener( 366 MEDIA_SET_VIDEO_SIZE, 367 cropRight - cropLeft + 1, 368 cropBottom - cropTop + 1); 369 } 370 } else if (what == ACodec::kWhatShutdownCompleted) { 371 LOGV("%s shutdown completed", audio ? "audio" : "video"); 372 if (audio) { 373 mAudioDecoder.clear(); 374 375 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 376 mFlushingAudio = SHUT_DOWN; 377 } else { 378 mVideoDecoder.clear(); 379 380 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 381 mFlushingVideo = SHUT_DOWN; 382 } 383 384 finishFlushIfPossible(); 385 } else if (what == ACodec::kWhatError) { 386 LOGE("Received error from %s decoder, aborting playback.", 387 audio ? "audio" : "video"); 388 389 mRenderer->queueEOS(audio, UNKNOWN_ERROR); 390 } else { 391 CHECK_EQ((int)what, (int)ACodec::kWhatDrainThisBuffer); 392 393 renderBuffer(audio, codecRequest); 394 } 395 396 break; 397 } 398 399 case kWhatRendererNotify: 400 { 401 int32_t what; 402 CHECK(msg->findInt32("what", &what)); 403 404 if (what == Renderer::kWhatEOS) { 405 int32_t audio; 406 CHECK(msg->findInt32("audio", &audio)); 407 408 int32_t finalResult; 409 CHECK(msg->findInt32("finalResult", &finalResult)); 410 411 if (audio) { 412 mAudioEOS = true; 413 } else { 414 mVideoEOS = true; 415 } 416 417 if (finalResult == ERROR_END_OF_STREAM) { 418 LOGV("reached %s EOS", audio ? "audio" : "video"); 419 } else { 420 LOGE("%s track encountered an error (%d)", 421 audio ? "audio" : "video", finalResult); 422 423 notifyListener( 424 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 425 } 426 427 if ((mAudioEOS || mAudioDecoder == NULL) 428 && (mVideoEOS || mVideoDecoder == NULL)) { 429 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 430 } 431 } else if (what == Renderer::kWhatPosition) { 432 int64_t positionUs; 433 CHECK(msg->findInt64("positionUs", &positionUs)); 434 435 CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs)); 436 437 if (mDriver != NULL) { 438 sp<NuPlayerDriver> driver = mDriver.promote(); 439 if (driver != NULL) { 440 driver->notifyPosition(positionUs); 441 442 driver->notifyFrameStats( 443 mNumFramesTotal, mNumFramesDropped); 444 } 445 } 446 } else if (what == Renderer::kWhatFlushComplete) { 447 CHECK_EQ(what, (int32_t)Renderer::kWhatFlushComplete); 448 449 int32_t audio; 450 CHECK(msg->findInt32("audio", &audio)); 451 452 LOGV("renderer %s flush completed.", audio ? "audio" : "video"); 453 } 454 break; 455 } 456 457 case kWhatMoreDataQueued: 458 { 459 break; 460 } 461 462 case kWhatReset: 463 { 464 LOGV("kWhatReset"); 465 466 if (mRenderer != NULL) { 467 // There's an edge case where the renderer owns all output 468 // buffers and is paused, therefore the decoder will not read 469 // more input data and will never encounter the matching 470 // discontinuity. To avoid this, we resume the renderer. 471 472 if (mFlushingAudio == AWAITING_DISCONTINUITY 473 || mFlushingVideo == AWAITING_DISCONTINUITY) { 474 mRenderer->resume(); 475 } 476 } 477 478 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 479 // We're currently flushing, postpone the reset until that's 480 // completed. 481 482 LOGV("postponing reset mFlushingAudio=%d, mFlushingVideo=%d", 483 mFlushingAudio, mFlushingVideo); 484 485 mResetPostponed = true; 486 break; 487 } 488 489 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 490 finishReset(); 491 break; 492 } 493 494 mTimeDiscontinuityPending = true; 495 496 if (mAudioDecoder != NULL) { 497 flushDecoder(true /* audio */, true /* needShutdown */); 498 } 499 500 if (mVideoDecoder != NULL) { 501 flushDecoder(false /* audio */, true /* needShutdown */); 502 } 503 504 mResetInProgress = true; 505 break; 506 } 507 508 case kWhatSeek: 509 { 510 int64_t seekTimeUs; 511 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 512 513 LOGV("kWhatSeek seekTimeUs=%lld us (%.2f secs)", 514 seekTimeUs, seekTimeUs / 1E6); 515 516 mSource->seekTo(seekTimeUs); 517 518 if (mDriver != NULL) { 519 sp<NuPlayerDriver> driver = mDriver.promote(); 520 if (driver != NULL) { 521 driver->notifySeekComplete(); 522 } 523 } 524 525 break; 526 } 527 528 case kWhatPause: 529 { 530 CHECK(mRenderer != NULL); 531 mRenderer->pause(); 532 break; 533 } 534 535 case kWhatResume: 536 { 537 CHECK(mRenderer != NULL); 538 mRenderer->resume(); 539 break; 540 } 541 542 default: 543 TRESPASS(); 544 break; 545 } 546 } 547 548 void NuPlayer::finishFlushIfPossible() { 549 if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) { 550 return; 551 } 552 553 if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) { 554 return; 555 } 556 557 LOGV("both audio and video are flushed now."); 558 559 if (mTimeDiscontinuityPending) { 560 mRenderer->signalTimeDiscontinuity(); 561 mTimeDiscontinuityPending = false; 562 } 563 564 if (mAudioDecoder != NULL) { 565 mAudioDecoder->signalResume(); 566 } 567 568 if (mVideoDecoder != NULL) { 569 mVideoDecoder->signalResume(); 570 } 571 572 mFlushingAudio = NONE; 573 mFlushingVideo = NONE; 574 575 if (mResetInProgress) { 576 LOGV("reset completed"); 577 578 mResetInProgress = false; 579 finishReset(); 580 } else if (mResetPostponed) { 581 (new AMessage(kWhatReset, id()))->post(); 582 mResetPostponed = false; 583 } else if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 584 postScanSources(); 585 } 586 } 587 588 void NuPlayer::finishReset() { 589 CHECK(mAudioDecoder == NULL); 590 CHECK(mVideoDecoder == NULL); 591 592 ++mScanSourcesGeneration; 593 mScanSourcesPending = false; 594 595 mRenderer.clear(); 596 597 if (mSource != NULL) { 598 mSource->stop(); 599 mSource.clear(); 600 } 601 602 if (mDriver != NULL) { 603 sp<NuPlayerDriver> driver = mDriver.promote(); 604 if (driver != NULL) { 605 driver->notifyResetComplete(); 606 } 607 } 608 } 609 610 void NuPlayer::postScanSources() { 611 if (mScanSourcesPending) { 612 return; 613 } 614 615 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 616 msg->setInt32("generation", mScanSourcesGeneration); 617 msg->post(); 618 619 mScanSourcesPending = true; 620 } 621 622 status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 623 if (*decoder != NULL) { 624 return OK; 625 } 626 627 sp<MetaData> meta = mSource->getFormat(audio); 628 629 if (meta == NULL) { 630 return -EWOULDBLOCK; 631 } 632 633 if (!audio) { 634 const char *mime; 635 CHECK(meta->findCString(kKeyMIMEType, &mime)); 636 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime); 637 } 638 639 sp<AMessage> notify = 640 new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify, 641 id()); 642 643 *decoder = audio ? new Decoder(notify) : 644 new Decoder(notify, mNativeWindow); 645 looper()->registerHandler(*decoder); 646 647 (*decoder)->configure(meta); 648 649 int64_t durationUs; 650 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 651 sp<NuPlayerDriver> driver = mDriver.promote(); 652 if (driver != NULL) { 653 driver->notifyDuration(durationUs); 654 } 655 } 656 657 return OK; 658 } 659 660 status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 661 sp<AMessage> reply; 662 CHECK(msg->findMessage("reply", &reply)); 663 664 if ((audio && IsFlushingState(mFlushingAudio)) 665 || (!audio && IsFlushingState(mFlushingVideo))) { 666 reply->setInt32("err", INFO_DISCONTINUITY); 667 reply->post(); 668 return OK; 669 } 670 671 sp<ABuffer> accessUnit; 672 673 bool dropAccessUnit; 674 do { 675 status_t err = mSource->dequeueAccessUnit(audio, &accessUnit); 676 677 if (err == -EWOULDBLOCK) { 678 return err; 679 } else if (err != OK) { 680 if (err == INFO_DISCONTINUITY) { 681 int32_t type; 682 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 683 684 bool formatChange = 685 (audio && 686 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 687 || (!audio && 688 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 689 690 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 691 692 LOGI("%s discontinuity (formatChange=%d, time=%d)", 693 audio ? "audio" : "video", formatChange, timeChange); 694 695 if (audio) { 696 mSkipRenderingAudioUntilMediaTimeUs = -1; 697 } else { 698 mSkipRenderingVideoUntilMediaTimeUs = -1; 699 } 700 701 if (timeChange) { 702 sp<AMessage> extra; 703 if (accessUnit->meta()->findMessage("extra", &extra) 704 && extra != NULL) { 705 int64_t resumeAtMediaTimeUs; 706 if (extra->findInt64( 707 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 708 LOGI("suppressing rendering of %s until %lld us", 709 audio ? "audio" : "video", resumeAtMediaTimeUs); 710 711 if (audio) { 712 mSkipRenderingAudioUntilMediaTimeUs = 713 resumeAtMediaTimeUs; 714 } else { 715 mSkipRenderingVideoUntilMediaTimeUs = 716 resumeAtMediaTimeUs; 717 } 718 } 719 } 720 } 721 722 mTimeDiscontinuityPending = 723 mTimeDiscontinuityPending || timeChange; 724 725 if (formatChange || timeChange) { 726 flushDecoder(audio, formatChange); 727 } else { 728 // This stream is unaffected by the discontinuity 729 730 if (audio) { 731 mFlushingAudio = FLUSHED; 732 } else { 733 mFlushingVideo = FLUSHED; 734 } 735 736 finishFlushIfPossible(); 737 738 return -EWOULDBLOCK; 739 } 740 } 741 742 reply->setInt32("err", err); 743 reply->post(); 744 return OK; 745 } 746 747 if (!audio) { 748 ++mNumFramesTotal; 749 } 750 751 dropAccessUnit = false; 752 if (!audio 753 && mVideoLateByUs > 100000ll 754 && mVideoIsAVC 755 && !IsAVCReferenceFrame(accessUnit)) { 756 dropAccessUnit = true; 757 ++mNumFramesDropped; 758 } 759 } while (dropAccessUnit); 760 761 // LOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 762 763 #if 0 764 int64_t mediaTimeUs; 765 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 766 LOGV("feeding %s input buffer at media time %.2f secs", 767 audio ? "audio" : "video", 768 mediaTimeUs / 1E6); 769 #endif 770 771 reply->setObject("buffer", accessUnit); 772 reply->post(); 773 774 return OK; 775 } 776 777 void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 778 // LOGV("renderBuffer %s", audio ? "audio" : "video"); 779 780 sp<AMessage> reply; 781 CHECK(msg->findMessage("reply", &reply)); 782 783 if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) { 784 // We're currently attempting to flush the decoder, in order 785 // to complete this, the decoder wants all its buffers back, 786 // so we don't want any output buffers it sent us (from before 787 // we initiated the flush) to be stuck in the renderer's queue. 788 789 LOGV("we're still flushing the %s decoder, sending its output buffer" 790 " right back.", audio ? "audio" : "video"); 791 792 reply->post(); 793 return; 794 } 795 796 sp<RefBase> obj; 797 CHECK(msg->findObject("buffer", &obj)); 798 799 sp<ABuffer> buffer = static_cast<ABuffer *>(obj.get()); 800 801 int64_t &skipUntilMediaTimeUs = 802 audio 803 ? mSkipRenderingAudioUntilMediaTimeUs 804 : mSkipRenderingVideoUntilMediaTimeUs; 805 806 if (skipUntilMediaTimeUs >= 0) { 807 int64_t mediaTimeUs; 808 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 809 810 if (mediaTimeUs < skipUntilMediaTimeUs) { 811 LOGV("dropping %s buffer at time %lld as requested.", 812 audio ? "audio" : "video", 813 mediaTimeUs); 814 815 reply->post(); 816 return; 817 } 818 819 skipUntilMediaTimeUs = -1; 820 } 821 822 mRenderer->queueBuffer(audio, buffer, reply); 823 } 824 825 void NuPlayer::notifyListener(int msg, int ext1, int ext2) { 826 if (mDriver == NULL) { 827 return; 828 } 829 830 sp<NuPlayerDriver> driver = mDriver.promote(); 831 832 if (driver == NULL) { 833 return; 834 } 835 836 driver->notifyListener(msg, ext1, ext2); 837 } 838 839 void NuPlayer::flushDecoder(bool audio, bool needShutdown) { 840 if ((audio && mAudioDecoder == NULL) || (!audio && mVideoDecoder == NULL)) { 841 LOGI("flushDecoder %s without decoder present", 842 audio ? "audio" : "video"); 843 } 844 845 // Make sure we don't continue to scan sources until we finish flushing. 846 ++mScanSourcesGeneration; 847 mScanSourcesPending = false; 848 849 (audio ? mAudioDecoder : mVideoDecoder)->signalFlush(); 850 mRenderer->flush(audio); 851 852 FlushStatus newStatus = 853 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 854 855 if (audio) { 856 CHECK(mFlushingAudio == NONE 857 || mFlushingAudio == AWAITING_DISCONTINUITY); 858 859 mFlushingAudio = newStatus; 860 861 if (mFlushingVideo == NONE) { 862 mFlushingVideo = (mVideoDecoder != NULL) 863 ? AWAITING_DISCONTINUITY 864 : FLUSHED; 865 } 866 } else { 867 CHECK(mFlushingVideo == NONE 868 || mFlushingVideo == AWAITING_DISCONTINUITY); 869 870 mFlushingVideo = newStatus; 871 872 if (mFlushingAudio == NONE) { 873 mFlushingAudio = (mAudioDecoder != NULL) 874 ? AWAITING_DISCONTINUITY 875 : FLUSHED; 876 } 877 } 878 } 879 880 } // namespace android 881