NuPlayer.cpp revision 6e3d311b6631b12aac2879d1b08c3534aece78b1
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 46namespace android { 47 48//////////////////////////////////////////////////////////////////////////////// 49 50NuPlayer::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 69NuPlayer::~NuPlayer() { 70} 71 72void NuPlayer::setUID(uid_t uid) { 73 mUIDValid = true; 74 mUID = uid; 75} 76 77void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 78 mDriver = driver; 79} 80 81void 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 88void 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 103void 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 111void 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 117void NuPlayer::start() { 118 (new AMessage(kWhatStart, id()))->post(); 119} 120 121void NuPlayer::pause() { 122 (new AMessage(kWhatPause, id()))->post(); 123} 124 125void NuPlayer::resume() { 126 (new AMessage(kWhatResume, id()))->post(); 127} 128 129void NuPlayer::resetAsync() { 130 (new AMessage(kWhatReset, id()))->post(); 131} 132 133void 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 140bool 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 159void 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 (mFlushingAudio != NONE || mFlushingVideo != NONE) { 467 // We're currently flushing, postpone the reset until that's 468 // completed. 469 470 LOGV("postponing reset"); 471 472 mResetPostponed = true; 473 break; 474 } 475 476 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 477 finishReset(); 478 break; 479 } 480 481 mTimeDiscontinuityPending = true; 482 483 if (mAudioDecoder != NULL) { 484 flushDecoder(true /* audio */, true /* needShutdown */); 485 } 486 487 if (mVideoDecoder != NULL) { 488 flushDecoder(false /* audio */, true /* needShutdown */); 489 } 490 491 mResetInProgress = true; 492 break; 493 } 494 495 case kWhatSeek: 496 { 497 int64_t seekTimeUs; 498 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 499 500 LOGV("kWhatSeek seekTimeUs=%lld us (%.2f secs)", 501 seekTimeUs, seekTimeUs / 1E6); 502 503 mSource->seekTo(seekTimeUs); 504 505 if (mDriver != NULL) { 506 sp<NuPlayerDriver> driver = mDriver.promote(); 507 if (driver != NULL) { 508 driver->notifySeekComplete(); 509 } 510 } 511 512 break; 513 } 514 515 case kWhatPause: 516 { 517 CHECK(mRenderer != NULL); 518 mRenderer->pause(); 519 break; 520 } 521 522 case kWhatResume: 523 { 524 CHECK(mRenderer != NULL); 525 mRenderer->resume(); 526 break; 527 } 528 529 default: 530 TRESPASS(); 531 break; 532 } 533} 534 535void NuPlayer::finishFlushIfPossible() { 536 if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) { 537 return; 538 } 539 540 if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) { 541 return; 542 } 543 544 LOGV("both audio and video are flushed now."); 545 546 if (mTimeDiscontinuityPending) { 547 mRenderer->signalTimeDiscontinuity(); 548 mTimeDiscontinuityPending = false; 549 } 550 551 if (mAudioDecoder != NULL) { 552 mAudioDecoder->signalResume(); 553 } 554 555 if (mVideoDecoder != NULL) { 556 mVideoDecoder->signalResume(); 557 } 558 559 mFlushingAudio = NONE; 560 mFlushingVideo = NONE; 561 562 if (mResetInProgress) { 563 LOGV("reset completed"); 564 565 mResetInProgress = false; 566 finishReset(); 567 } else if (mResetPostponed) { 568 (new AMessage(kWhatReset, id()))->post(); 569 mResetPostponed = false; 570 } else if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 571 postScanSources(); 572 } 573} 574 575void NuPlayer::finishReset() { 576 CHECK(mAudioDecoder == NULL); 577 CHECK(mVideoDecoder == NULL); 578 579 ++mScanSourcesGeneration; 580 mScanSourcesPending = false; 581 582 mRenderer.clear(); 583 584 if (mSource != NULL) { 585 mSource->stop(); 586 mSource.clear(); 587 } 588 589 if (mDriver != NULL) { 590 sp<NuPlayerDriver> driver = mDriver.promote(); 591 if (driver != NULL) { 592 driver->notifyResetComplete(); 593 } 594 } 595} 596 597void NuPlayer::postScanSources() { 598 if (mScanSourcesPending) { 599 return; 600 } 601 602 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 603 msg->setInt32("generation", mScanSourcesGeneration); 604 msg->post(); 605 606 mScanSourcesPending = true; 607} 608 609status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 610 if (*decoder != NULL) { 611 return OK; 612 } 613 614 sp<MetaData> meta = mSource->getFormat(audio); 615 616 if (meta == NULL) { 617 return -EWOULDBLOCK; 618 } 619 620 if (!audio) { 621 const char *mime; 622 CHECK(meta->findCString(kKeyMIMEType, &mime)); 623 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime); 624 } 625 626 sp<AMessage> notify = 627 new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify, 628 id()); 629 630 *decoder = audio ? new Decoder(notify) : 631 new Decoder(notify, mNativeWindow); 632 looper()->registerHandler(*decoder); 633 634 (*decoder)->configure(meta); 635 636 int64_t durationUs; 637 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 638 sp<NuPlayerDriver> driver = mDriver.promote(); 639 if (driver != NULL) { 640 driver->notifyDuration(durationUs); 641 } 642 } 643 644 return OK; 645} 646 647status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 648 sp<AMessage> reply; 649 CHECK(msg->findMessage("reply", &reply)); 650 651 if ((audio && IsFlushingState(mFlushingAudio)) 652 || (!audio && IsFlushingState(mFlushingVideo))) { 653 reply->setInt32("err", INFO_DISCONTINUITY); 654 reply->post(); 655 return OK; 656 } 657 658 sp<ABuffer> accessUnit; 659 660 bool dropAccessUnit; 661 do { 662 status_t err = mSource->dequeueAccessUnit(audio, &accessUnit); 663 664 if (err == -EWOULDBLOCK) { 665 return err; 666 } else if (err != OK) { 667 if (err == INFO_DISCONTINUITY) { 668 int32_t type; 669 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 670 671 bool formatChange = 672 (audio && 673 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 674 || (!audio && 675 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 676 677 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 678 679 LOGI("%s discontinuity (formatChange=%d, time=%d)", 680 audio ? "audio" : "video", formatChange, timeChange); 681 682 if (audio) { 683 mSkipRenderingAudioUntilMediaTimeUs = -1; 684 } else { 685 mSkipRenderingVideoUntilMediaTimeUs = -1; 686 } 687 688 if (timeChange) { 689 sp<AMessage> extra; 690 if (accessUnit->meta()->findMessage("extra", &extra) 691 && extra != NULL) { 692 int64_t resumeAtMediaTimeUs; 693 if (extra->findInt64( 694 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 695 LOGI("suppressing rendering of %s until %lld us", 696 audio ? "audio" : "video", resumeAtMediaTimeUs); 697 698 if (audio) { 699 mSkipRenderingAudioUntilMediaTimeUs = 700 resumeAtMediaTimeUs; 701 } else { 702 mSkipRenderingVideoUntilMediaTimeUs = 703 resumeAtMediaTimeUs; 704 } 705 } 706 } 707 } 708 709 mTimeDiscontinuityPending = 710 mTimeDiscontinuityPending || timeChange; 711 712 if (formatChange || timeChange) { 713 flushDecoder(audio, formatChange); 714 } else { 715 // This stream is unaffected by the discontinuity 716 717 if (audio) { 718 mFlushingAudio = FLUSHED; 719 } else { 720 mFlushingVideo = FLUSHED; 721 } 722 723 finishFlushIfPossible(); 724 725 return -EWOULDBLOCK; 726 } 727 } 728 729 reply->setInt32("err", err); 730 reply->post(); 731 return OK; 732 } 733 734 if (!audio) { 735 ++mNumFramesTotal; 736 } 737 738 dropAccessUnit = false; 739 if (!audio 740 && mVideoLateByUs > 100000ll 741 && mVideoIsAVC 742 && !IsAVCReferenceFrame(accessUnit)) { 743 dropAccessUnit = true; 744 ++mNumFramesDropped; 745 } 746 } while (dropAccessUnit); 747 748 // LOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 749 750#if 0 751 int64_t mediaTimeUs; 752 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 753 LOGV("feeding %s input buffer at media time %.2f secs", 754 audio ? "audio" : "video", 755 mediaTimeUs / 1E6); 756#endif 757 758 reply->setObject("buffer", accessUnit); 759 reply->post(); 760 761 return OK; 762} 763 764void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 765 // LOGV("renderBuffer %s", audio ? "audio" : "video"); 766 767 sp<AMessage> reply; 768 CHECK(msg->findMessage("reply", &reply)); 769 770 if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) { 771 // We're currently attempting to flush the decoder, in order 772 // to complete this, the decoder wants all its buffers back, 773 // so we don't want any output buffers it sent us (from before 774 // we initiated the flush) to be stuck in the renderer's queue. 775 776 LOGV("we're still flushing the %s decoder, sending its output buffer" 777 " right back.", audio ? "audio" : "video"); 778 779 reply->post(); 780 return; 781 } 782 783 sp<RefBase> obj; 784 CHECK(msg->findObject("buffer", &obj)); 785 786 sp<ABuffer> buffer = static_cast<ABuffer *>(obj.get()); 787 788 int64_t &skipUntilMediaTimeUs = 789 audio 790 ? mSkipRenderingAudioUntilMediaTimeUs 791 : mSkipRenderingVideoUntilMediaTimeUs; 792 793 if (skipUntilMediaTimeUs >= 0) { 794 int64_t mediaTimeUs; 795 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 796 797 if (mediaTimeUs < skipUntilMediaTimeUs) { 798 LOGV("dropping %s buffer at time %lld as requested.", 799 audio ? "audio" : "video", 800 mediaTimeUs); 801 802 reply->post(); 803 return; 804 } 805 806 skipUntilMediaTimeUs = -1; 807 } 808 809 mRenderer->queueBuffer(audio, buffer, reply); 810} 811 812void NuPlayer::notifyListener(int msg, int ext1, int ext2) { 813 if (mDriver == NULL) { 814 return; 815 } 816 817 sp<NuPlayerDriver> driver = mDriver.promote(); 818 819 if (driver == NULL) { 820 return; 821 } 822 823 driver->notifyListener(msg, ext1, ext2); 824} 825 826void NuPlayer::flushDecoder(bool audio, bool needShutdown) { 827 if ((audio && mAudioDecoder == NULL) || (!audio && mVideoDecoder == NULL)) { 828 LOGI("flushDecoder %s without decoder present", 829 audio ? "audio" : "video"); 830 } 831 832 // Make sure we don't continue to scan sources until we finish flushing. 833 ++mScanSourcesGeneration; 834 mScanSourcesPending = false; 835 836 (audio ? mAudioDecoder : mVideoDecoder)->signalFlush(); 837 mRenderer->flush(audio); 838 839 FlushStatus newStatus = 840 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 841 842 if (audio) { 843 CHECK(mFlushingAudio == NONE 844 || mFlushingAudio == AWAITING_DISCONTINUITY); 845 846 mFlushingAudio = newStatus; 847 848 if (mFlushingVideo == NONE) { 849 mFlushingVideo = (mVideoDecoder != NULL) 850 ? AWAITING_DISCONTINUITY 851 : FLUSHED; 852 } 853 } else { 854 CHECK(mFlushingVideo == NONE 855 || mFlushingVideo == AWAITING_DISCONTINUITY); 856 857 mFlushingVideo = newStatus; 858 859 if (mFlushingAudio == NONE) { 860 mFlushingAudio = (mAudioDecoder != NULL) 861 ? AWAITING_DISCONTINUITY 862 : FLUSHED; 863 } 864 } 865} 866 867} // namespace android 868