NuPlayer.cpp revision 9f5264958557c45e942eabab8b32db2544d6c498
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 "NuPlayerDecoderPassThrough.h" 26#include "NuPlayerDriver.h" 27#include "NuPlayerRenderer.h" 28#include "NuPlayerSource.h" 29#include "RTSPSource.h" 30#include "StreamingSource.h" 31#include "GenericSource.h" 32#include "TextDescriptions.h" 33 34#include "ATSParser.h" 35 36#include <media/stagefright/foundation/hexdump.h> 37#include <media/stagefright/foundation/ABuffer.h> 38#include <media/stagefright/foundation/ADebug.h> 39#include <media/stagefright/foundation/AMessage.h> 40#include <media/stagefright/MediaBuffer.h> 41#include <media/stagefright/MediaDefs.h> 42#include <media/stagefright/MediaErrors.h> 43#include <media/stagefright/MetaData.h> 44#include <gui/IGraphicBufferProducer.h> 45 46#include "avc_utils.h" 47 48#include "ESDS.h" 49#include <media/stagefright/Utils.h> 50 51namespace android { 52 53struct NuPlayer::Action : public RefBase { 54 Action() {} 55 56 virtual void execute(NuPlayer *player) = 0; 57 58private: 59 DISALLOW_EVIL_CONSTRUCTORS(Action); 60}; 61 62struct NuPlayer::SeekAction : public Action { 63 SeekAction(int64_t seekTimeUs) 64 : mSeekTimeUs(seekTimeUs) { 65 } 66 67 virtual void execute(NuPlayer *player) { 68 player->performSeek(mSeekTimeUs); 69 } 70 71private: 72 int64_t mSeekTimeUs; 73 74 DISALLOW_EVIL_CONSTRUCTORS(SeekAction); 75}; 76 77struct NuPlayer::SetSurfaceAction : public Action { 78 SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper) 79 : mWrapper(wrapper) { 80 } 81 82 virtual void execute(NuPlayer *player) { 83 player->performSetSurface(mWrapper); 84 } 85 86private: 87 sp<NativeWindowWrapper> mWrapper; 88 89 DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction); 90}; 91 92struct NuPlayer::ShutdownDecoderAction : public Action { 93 ShutdownDecoderAction(bool audio, bool video) 94 : mAudio(audio), 95 mVideo(video) { 96 } 97 98 virtual void execute(NuPlayer *player) { 99 player->performDecoderShutdown(mAudio, mVideo); 100 } 101 102private: 103 bool mAudio; 104 bool mVideo; 105 106 DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction); 107}; 108 109struct NuPlayer::PostMessageAction : public Action { 110 PostMessageAction(const sp<AMessage> &msg) 111 : mMessage(msg) { 112 } 113 114 virtual void execute(NuPlayer *) { 115 mMessage->post(); 116 } 117 118private: 119 sp<AMessage> mMessage; 120 121 DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction); 122}; 123 124// Use this if there's no state necessary to save in order to execute 125// the action. 126struct NuPlayer::SimpleAction : public Action { 127 typedef void (NuPlayer::*ActionFunc)(); 128 129 SimpleAction(ActionFunc func) 130 : mFunc(func) { 131 } 132 133 virtual void execute(NuPlayer *player) { 134 (player->*mFunc)(); 135 } 136 137private: 138 ActionFunc mFunc; 139 140 DISALLOW_EVIL_CONSTRUCTORS(SimpleAction); 141}; 142 143//////////////////////////////////////////////////////////////////////////////// 144 145NuPlayer::NuPlayer() 146 : mUIDValid(false), 147 mSourceFlags(0), 148 mVideoIsAVC(false), 149 mOffloadAudio(false), 150 mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER), 151 mAudioDecoderGeneration(0), 152 mVideoDecoderGeneration(0), 153 mAudioEOS(false), 154 mVideoEOS(false), 155 mScanSourcesPending(false), 156 mScanSourcesGeneration(0), 157 mPollDurationGeneration(0), 158 mTimedTextGeneration(0), 159 mTimeDiscontinuityPending(false), 160 mFlushingAudio(NONE), 161 mFlushingVideo(NONE), 162 mSkipRenderingAudioUntilMediaTimeUs(-1ll), 163 mSkipRenderingVideoUntilMediaTimeUs(-1ll), 164 mVideoLateByUs(0ll), 165 mNumFramesTotal(0ll), 166 mNumFramesDropped(0ll), 167 mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW), 168 mStarted(false) { 169} 170 171NuPlayer::~NuPlayer() { 172} 173 174void NuPlayer::setUID(uid_t uid) { 175 mUIDValid = true; 176 mUID = uid; 177} 178 179void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 180 mDriver = driver; 181} 182 183void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) { 184 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 185 186 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 187 188 msg->setObject("source", new StreamingSource(notify, source)); 189 msg->post(); 190} 191 192static bool IsHTTPLiveURL(const char *url) { 193 if (!strncasecmp("http://", url, 7) 194 || !strncasecmp("https://", url, 8) 195 || !strncasecmp("file://", url, 7)) { 196 size_t len = strlen(url); 197 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 198 return true; 199 } 200 201 if (strstr(url,"m3u8")) { 202 return true; 203 } 204 } 205 206 return false; 207} 208 209void NuPlayer::setDataSourceAsync( 210 const sp<IMediaHTTPService> &httpService, 211 const char *url, 212 const KeyedVector<String8, String8> *headers) { 213 214 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 215 size_t len = strlen(url); 216 217 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 218 219 sp<Source> source; 220 if (IsHTTPLiveURL(url)) { 221 source = new HTTPLiveSource(notify, httpService, url, headers); 222 } else if (!strncasecmp(url, "rtsp://", 7)) { 223 source = new RTSPSource( 224 notify, httpService, url, headers, mUIDValid, mUID); 225 } else if ((!strncasecmp(url, "http://", 7) 226 || !strncasecmp(url, "https://", 8)) 227 && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) 228 || strstr(url, ".sdp?"))) { 229 source = new RTSPSource( 230 notify, httpService, url, headers, mUIDValid, mUID, true); 231 } else { 232 sp<GenericSource> genericSource = 233 new GenericSource(notify, mUIDValid, mUID); 234 // Don't set FLAG_SECURE on mSourceFlags here for widevine. 235 // The correct flags will be updated in Source::kWhatFlagsChanged 236 // handler when GenericSource is prepared. 237 238 status_t err = genericSource->setDataSource(httpService, url, headers); 239 240 if (err == OK) { 241 source = genericSource; 242 } else { 243 ALOGE("Failed to set data source!"); 244 } 245 } 246 msg->setObject("source", source); 247 msg->post(); 248} 249 250void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) { 251 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 252 253 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 254 255 sp<GenericSource> source = 256 new GenericSource(notify, mUIDValid, mUID); 257 258 status_t err = source->setDataSource(fd, offset, length); 259 260 if (err != OK) { 261 ALOGE("Failed to set data source!"); 262 source = NULL; 263 } 264 265 msg->setObject("source", source); 266 msg->post(); 267} 268 269void NuPlayer::prepareAsync() { 270 (new AMessage(kWhatPrepare, id()))->post(); 271} 272 273void NuPlayer::setVideoSurfaceTextureAsync( 274 const sp<IGraphicBufferProducer> &bufferProducer) { 275 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 276 277 if (bufferProducer == NULL) { 278 msg->setObject("native-window", NULL); 279 } else { 280 msg->setObject( 281 "native-window", 282 new NativeWindowWrapper( 283 new Surface(bufferProducer, true /* controlledByApp */))); 284 } 285 286 msg->post(); 287} 288 289void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 290 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 291 msg->setObject("sink", sink); 292 msg->post(); 293} 294 295void NuPlayer::start() { 296 (new AMessage(kWhatStart, id()))->post(); 297} 298 299void NuPlayer::pause() { 300 (new AMessage(kWhatPause, id()))->post(); 301} 302 303void NuPlayer::resume() { 304 (new AMessage(kWhatResume, id()))->post(); 305} 306 307void NuPlayer::resetAsync() { 308 (new AMessage(kWhatReset, id()))->post(); 309} 310 311void NuPlayer::seekToAsync(int64_t seekTimeUs) { 312 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 313 msg->setInt64("seekTimeUs", seekTimeUs); 314 msg->post(); 315} 316 317// static 318bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { 319 switch (state) { 320 case FLUSHING_DECODER: 321 if (needShutdown != NULL) { 322 *needShutdown = false; 323 } 324 return true; 325 326 case FLUSHING_DECODER_SHUTDOWN: 327 if (needShutdown != NULL) { 328 *needShutdown = true; 329 } 330 return true; 331 332 default: 333 return false; 334 } 335} 336 337void NuPlayer::writeTrackInfo( 338 Parcel* reply, const sp<AMessage> format) const { 339 int32_t trackType; 340 CHECK(format->findInt32("type", &trackType)); 341 342 AString lang; 343 CHECK(format->findString("language", &lang)); 344 345 reply->writeInt32(2); // write something non-zero 346 reply->writeInt32(trackType); 347 reply->writeString16(String16(lang.c_str())); 348 349 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) { 350 AString mime; 351 CHECK(format->findString("mime", &mime)); 352 353 int32_t isAuto, isDefault, isForced; 354 CHECK(format->findInt32("auto", &isAuto)); 355 CHECK(format->findInt32("default", &isDefault)); 356 CHECK(format->findInt32("forced", &isForced)); 357 358 reply->writeString16(String16(mime.c_str())); 359 reply->writeInt32(isAuto); 360 reply->writeInt32(isDefault); 361 reply->writeInt32(isForced); 362 } 363} 364 365void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 366 switch (msg->what()) { 367 case kWhatSetDataSource: 368 { 369 ALOGV("kWhatSetDataSource"); 370 371 CHECK(mSource == NULL); 372 373 status_t err = OK; 374 sp<RefBase> obj; 375 CHECK(msg->findObject("source", &obj)); 376 if (obj != NULL) { 377 mSource = static_cast<Source *>(obj.get()); 378 } else { 379 err = UNKNOWN_ERROR; 380 } 381 382 CHECK(mDriver != NULL); 383 sp<NuPlayerDriver> driver = mDriver.promote(); 384 if (driver != NULL) { 385 driver->notifySetDataSourceCompleted(err); 386 } 387 break; 388 } 389 390 case kWhatPrepare: 391 { 392 mSource->prepareAsync(); 393 break; 394 } 395 396 case kWhatGetTrackInfo: 397 { 398 uint32_t replyID; 399 CHECK(msg->senderAwaitsResponse(&replyID)); 400 401 Parcel* reply; 402 CHECK(msg->findPointer("reply", (void**)&reply)); 403 404 size_t inbandTracks = 0; 405 if (mSource != NULL) { 406 inbandTracks = mSource->getTrackCount(); 407 } 408 409 size_t ccTracks = 0; 410 if (mCCDecoder != NULL) { 411 ccTracks = mCCDecoder->getTrackCount(); 412 } 413 414 // total track count 415 reply->writeInt32(inbandTracks + ccTracks); 416 417 // write inband tracks 418 for (size_t i = 0; i < inbandTracks; ++i) { 419 writeTrackInfo(reply, mSource->getTrackInfo(i)); 420 } 421 422 // write CC track 423 for (size_t i = 0; i < ccTracks; ++i) { 424 writeTrackInfo(reply, mCCDecoder->getTrackInfo(i)); 425 } 426 427 sp<AMessage> response = new AMessage; 428 response->postReply(replyID); 429 break; 430 } 431 432 case kWhatGetSelectedTrack: 433 { 434 status_t err = INVALID_OPERATION; 435 if (mSource != NULL) { 436 err = OK; 437 438 int32_t type32; 439 CHECK(msg->findInt32("type", (int32_t*)&type32)); 440 media_track_type type = (media_track_type)type32; 441 ssize_t selectedTrack = mSource->getSelectedTrack(type); 442 443 Parcel* reply; 444 CHECK(msg->findPointer("reply", (void**)&reply)); 445 reply->writeInt32(selectedTrack); 446 } 447 448 sp<AMessage> response = new AMessage; 449 response->setInt32("err", err); 450 451 uint32_t replyID; 452 CHECK(msg->senderAwaitsResponse(&replyID)); 453 response->postReply(replyID); 454 break; 455 } 456 457 case kWhatSelectTrack: 458 { 459 uint32_t replyID; 460 CHECK(msg->senderAwaitsResponse(&replyID)); 461 462 size_t trackIndex; 463 int32_t select; 464 CHECK(msg->findSize("trackIndex", &trackIndex)); 465 CHECK(msg->findInt32("select", &select)); 466 467 status_t err = INVALID_OPERATION; 468 469 size_t inbandTracks = 0; 470 if (mSource != NULL) { 471 inbandTracks = mSource->getTrackCount(); 472 } 473 size_t ccTracks = 0; 474 if (mCCDecoder != NULL) { 475 ccTracks = mCCDecoder->getTrackCount(); 476 } 477 478 if (trackIndex < inbandTracks) { 479 err = mSource->selectTrack(trackIndex, select); 480 481 if (!select && err == OK) { 482 int32_t type; 483 sp<AMessage> info = mSource->getTrackInfo(trackIndex); 484 if (info != NULL 485 && info->findInt32("type", &type) 486 && type == MEDIA_TRACK_TYPE_TIMEDTEXT) { 487 ++mTimedTextGeneration; 488 } 489 } 490 } else { 491 trackIndex -= inbandTracks; 492 493 if (trackIndex < ccTracks) { 494 err = mCCDecoder->selectTrack(trackIndex, select); 495 } 496 } 497 498 sp<AMessage> response = new AMessage; 499 response->setInt32("err", err); 500 501 response->postReply(replyID); 502 break; 503 } 504 505 case kWhatPollDuration: 506 { 507 int32_t generation; 508 CHECK(msg->findInt32("generation", &generation)); 509 510 if (generation != mPollDurationGeneration) { 511 // stale 512 break; 513 } 514 515 int64_t durationUs; 516 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 517 sp<NuPlayerDriver> driver = mDriver.promote(); 518 if (driver != NULL) { 519 driver->notifyDuration(durationUs); 520 } 521 } 522 523 msg->post(1000000ll); // poll again in a second. 524 break; 525 } 526 527 case kWhatSetVideoNativeWindow: 528 { 529 ALOGV("kWhatSetVideoNativeWindow"); 530 531 mDeferredActions.push_back( 532 new ShutdownDecoderAction( 533 false /* audio */, true /* video */)); 534 535 sp<RefBase> obj; 536 CHECK(msg->findObject("native-window", &obj)); 537 538 mDeferredActions.push_back( 539 new SetSurfaceAction( 540 static_cast<NativeWindowWrapper *>(obj.get()))); 541 542 if (obj != NULL) { 543 // If there is a new surface texture, instantiate decoders 544 // again if possible. 545 mDeferredActions.push_back( 546 new SimpleAction(&NuPlayer::performScanSources)); 547 } 548 549 processDeferredActions(); 550 break; 551 } 552 553 case kWhatSetAudioSink: 554 { 555 ALOGV("kWhatSetAudioSink"); 556 557 sp<RefBase> obj; 558 CHECK(msg->findObject("sink", &obj)); 559 560 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 561 break; 562 } 563 564 case kWhatStart: 565 { 566 ALOGV("kWhatStart"); 567 568 mVideoIsAVC = false; 569 mOffloadAudio = false; 570 mAudioEOS = false; 571 mVideoEOS = false; 572 mSkipRenderingAudioUntilMediaTimeUs = -1; 573 mSkipRenderingVideoUntilMediaTimeUs = -1; 574 mVideoLateByUs = 0; 575 mNumFramesTotal = 0; 576 mNumFramesDropped = 0; 577 mStarted = true; 578 579 /* instantiate decoders now for secure playback */ 580 if (mSourceFlags & Source::FLAG_SECURE) { 581 if (mNativeWindow != NULL) { 582 instantiateDecoder(false, &mVideoDecoder); 583 } 584 585 if (mAudioSink != NULL) { 586 instantiateDecoder(true, &mAudioDecoder); 587 } 588 } 589 590 mSource->start(); 591 592 uint32_t flags = 0; 593 594 if (mSource->isRealTime()) { 595 flags |= Renderer::FLAG_REAL_TIME; 596 } 597 598 sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */); 599 audio_stream_type_t streamType = AUDIO_STREAM_MUSIC; 600 if (mAudioSink != NULL) { 601 streamType = mAudioSink->getAudioStreamType(); 602 } 603 604 sp<AMessage> videoFormat = mSource->getFormat(false /* audio */); 605 606 mOffloadAudio = 607 canOffloadStream(audioMeta, (videoFormat != NULL), 608 true /* is_streaming */, streamType); 609 if (mOffloadAudio) { 610 flags |= Renderer::FLAG_OFFLOAD_AUDIO; 611 } 612 613 mRenderer = new Renderer( 614 mAudioSink, 615 new AMessage(kWhatRendererNotify, id()), 616 flags); 617 618 mRendererLooper = new ALooper; 619 mRendererLooper->setName("NuPlayerRenderer"); 620 mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 621 mRendererLooper->registerHandler(mRenderer); 622 623 postScanSources(); 624 break; 625 } 626 627 case kWhatScanSources: 628 { 629 int32_t generation; 630 CHECK(msg->findInt32("generation", &generation)); 631 if (generation != mScanSourcesGeneration) { 632 // Drop obsolete msg. 633 break; 634 } 635 636 mScanSourcesPending = false; 637 638 ALOGV("scanning sources haveAudio=%d, haveVideo=%d", 639 mAudioDecoder != NULL, mVideoDecoder != NULL); 640 641 bool mHadAnySourcesBefore = 642 (mAudioDecoder != NULL) || (mVideoDecoder != NULL); 643 644 // initialize video before audio because successful initialization of 645 // video may change deep buffer mode of audio. 646 if (mNativeWindow != NULL) { 647 instantiateDecoder(false, &mVideoDecoder); 648 } 649 650 if (mAudioSink != NULL) { 651 if (mOffloadAudio) { 652 // open audio sink early under offload mode. 653 sp<AMessage> format = mSource->getFormat(true /*audio*/); 654 openAudioSink(format, true /*offloadOnly*/); 655 } 656 instantiateDecoder(true, &mAudioDecoder); 657 } 658 659 if (!mHadAnySourcesBefore 660 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 661 // This is the first time we've found anything playable. 662 663 if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) { 664 schedulePollDuration(); 665 } 666 } 667 668 status_t err; 669 if ((err = mSource->feedMoreTSData()) != OK) { 670 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 671 // We're not currently decoding anything (no audio or 672 // video tracks found) and we just ran out of input data. 673 674 if (err == ERROR_END_OF_STREAM) { 675 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 676 } else { 677 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 678 } 679 } 680 break; 681 } 682 683 if ((mAudioDecoder == NULL && mAudioSink != NULL) 684 || (mVideoDecoder == NULL && mNativeWindow != NULL)) { 685 msg->post(100000ll); 686 mScanSourcesPending = true; 687 } 688 break; 689 } 690 691 case kWhatVideoNotify: 692 case kWhatAudioNotify: 693 { 694 bool audio = msg->what() == kWhatAudioNotify; 695 696 int32_t currentDecoderGeneration = 697 (audio? mAudioDecoderGeneration : mVideoDecoderGeneration); 698 int32_t requesterGeneration = currentDecoderGeneration - 1; 699 CHECK(msg->findInt32("generation", &requesterGeneration)); 700 701 if (requesterGeneration != currentDecoderGeneration) { 702 ALOGV("got message from old %s decoder, generation(%d:%d)", 703 audio ? "audio" : "video", requesterGeneration, 704 currentDecoderGeneration); 705 sp<AMessage> reply; 706 if (!(msg->findMessage("reply", &reply))) { 707 return; 708 } 709 710 reply->setInt32("err", INFO_DISCONTINUITY); 711 reply->post(); 712 return; 713 } 714 715 int32_t what; 716 CHECK(msg->findInt32("what", &what)); 717 718 if (what == Decoder::kWhatFillThisBuffer) { 719 status_t err = feedDecoderInputData( 720 audio, msg); 721 722 if (err == -EWOULDBLOCK) { 723 if (mSource->feedMoreTSData() == OK) { 724 msg->post(10000ll); 725 } 726 } 727 } else if (what == Decoder::kWhatEOS) { 728 int32_t err; 729 CHECK(msg->findInt32("err", &err)); 730 731 if (err == ERROR_END_OF_STREAM) { 732 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); 733 } else { 734 ALOGV("got %s decoder EOS w/ error %d", 735 audio ? "audio" : "video", 736 err); 737 } 738 739 mRenderer->queueEOS(audio, err); 740 } else if (what == Decoder::kWhatFlushCompleted) { 741 bool needShutdown; 742 743 if (audio) { 744 CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); 745 mFlushingAudio = FLUSHED; 746 } else { 747 CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); 748 mFlushingVideo = FLUSHED; 749 750 mVideoLateByUs = 0; 751 } 752 753 ALOGV("decoder %s flush completed", audio ? "audio" : "video"); 754 755 if (needShutdown) { 756 ALOGV("initiating %s decoder shutdown", 757 audio ? "audio" : "video"); 758 759 getDecoder(audio)->initiateShutdown(); 760 761 if (audio) { 762 mFlushingAudio = SHUTTING_DOWN_DECODER; 763 } else { 764 mFlushingVideo = SHUTTING_DOWN_DECODER; 765 } 766 } 767 768 finishFlushIfPossible(); 769 } else if (what == Decoder::kWhatOutputFormatChanged) { 770 sp<AMessage> format; 771 CHECK(msg->findMessage("format", &format)); 772 773 if (audio) { 774 openAudioSink(format, false /*offloadOnly*/); 775 } else { 776 // video 777 sp<AMessage> inputFormat = 778 mSource->getFormat(false /* audio */); 779 780 updateVideoSize(inputFormat, format); 781 } 782 } else if (what == Decoder::kWhatShutdownCompleted) { 783 ALOGV("%s shutdown completed", audio ? "audio" : "video"); 784 if (audio) { 785 mAudioDecoder.clear(); 786 787 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 788 mFlushingAudio = SHUT_DOWN; 789 } else { 790 mVideoDecoder.clear(); 791 792 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 793 mFlushingVideo = SHUT_DOWN; 794 } 795 796 finishFlushIfPossible(); 797 } else if (what == Decoder::kWhatError) { 798 ALOGE("Received error from %s decoder, aborting playback.", 799 audio ? "audio" : "video"); 800 801 status_t err; 802 if (!msg->findInt32("err", &err)) { 803 err = UNKNOWN_ERROR; 804 } 805 mRenderer->queueEOS(audio, err); 806 if (audio && mFlushingAudio != NONE) { 807 mAudioDecoder.clear(); 808 mFlushingAudio = SHUT_DOWN; 809 } else if (!audio && mFlushingVideo != NONE){ 810 mVideoDecoder.clear(); 811 mFlushingVideo = SHUT_DOWN; 812 } 813 finishFlushIfPossible(); 814 } else if (what == Decoder::kWhatDrainThisBuffer) { 815 renderBuffer(audio, msg); 816 } else { 817 ALOGV("Unhandled decoder notification %d '%c%c%c%c'.", 818 what, 819 what >> 24, 820 (what >> 16) & 0xff, 821 (what >> 8) & 0xff, 822 what & 0xff); 823 } 824 825 break; 826 } 827 828 case kWhatRendererNotify: 829 { 830 int32_t what; 831 CHECK(msg->findInt32("what", &what)); 832 833 if (what == Renderer::kWhatEOS) { 834 int32_t audio; 835 CHECK(msg->findInt32("audio", &audio)); 836 837 int32_t finalResult; 838 CHECK(msg->findInt32("finalResult", &finalResult)); 839 840 if (audio) { 841 mAudioEOS = true; 842 } else { 843 mVideoEOS = true; 844 } 845 846 if (finalResult == ERROR_END_OF_STREAM) { 847 ALOGV("reached %s EOS", audio ? "audio" : "video"); 848 } else { 849 ALOGE("%s track encountered an error (%d)", 850 audio ? "audio" : "video", finalResult); 851 852 notifyListener( 853 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 854 } 855 856 if ((mAudioEOS || mAudioDecoder == NULL) 857 && (mVideoEOS || mVideoDecoder == NULL)) { 858 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 859 } 860 } else if (what == Renderer::kWhatPosition) { 861 int64_t positionUs; 862 CHECK(msg->findInt64("positionUs", &positionUs)); 863 864 CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs)); 865 866 if (mDriver != NULL) { 867 sp<NuPlayerDriver> driver = mDriver.promote(); 868 if (driver != NULL) { 869 driver->notifyPosition(positionUs); 870 871 driver->notifyFrameStats( 872 mNumFramesTotal, mNumFramesDropped); 873 } 874 } 875 } else if (what == Renderer::kWhatFlushComplete) { 876 int32_t audio; 877 CHECK(msg->findInt32("audio", &audio)); 878 879 ALOGV("renderer %s flush completed.", audio ? "audio" : "video"); 880 } else if (what == Renderer::kWhatVideoRenderingStart) { 881 notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0); 882 } else if (what == Renderer::kWhatMediaRenderingStart) { 883 ALOGV("media rendering started"); 884 notifyListener(MEDIA_STARTED, 0, 0); 885 } else if (what == Renderer::kWhatAudioOffloadTearDown) { 886 ALOGV("Tear down audio offload, fall back to s/w path"); 887 int64_t positionUs; 888 CHECK(msg->findInt64("positionUs", &positionUs)); 889 closeAudioSink(); 890 mAudioDecoder.clear(); 891 mRenderer->flush(true /* audio */); 892 if (mVideoDecoder != NULL) { 893 mRenderer->flush(false /* audio */); 894 } 895 mRenderer->signalDisableOffloadAudio(); 896 mOffloadAudio = false; 897 898 performSeek(positionUs); 899 instantiateDecoder(true /* audio */, &mAudioDecoder); 900 } 901 break; 902 } 903 904 case kWhatMoreDataQueued: 905 { 906 break; 907 } 908 909 case kWhatReset: 910 { 911 ALOGV("kWhatReset"); 912 913 mDeferredActions.push_back( 914 new ShutdownDecoderAction( 915 true /* audio */, true /* video */)); 916 917 mDeferredActions.push_back( 918 new SimpleAction(&NuPlayer::performReset)); 919 920 processDeferredActions(); 921 break; 922 } 923 924 case kWhatSeek: 925 { 926 int64_t seekTimeUs; 927 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 928 929 ALOGV("kWhatSeek seekTimeUs=%lld us", seekTimeUs); 930 931 mDeferredActions.push_back( 932 new SimpleAction(&NuPlayer::performDecoderFlush)); 933 934 mDeferredActions.push_back(new SeekAction(seekTimeUs)); 935 936 processDeferredActions(); 937 break; 938 } 939 940 case kWhatPause: 941 { 942 CHECK(mRenderer != NULL); 943 mSource->pause(); 944 mRenderer->pause(); 945 break; 946 } 947 948 case kWhatResume: 949 { 950 CHECK(mRenderer != NULL); 951 mSource->resume(); 952 mRenderer->resume(); 953 break; 954 } 955 956 case kWhatSourceNotify: 957 { 958 onSourceNotify(msg); 959 break; 960 } 961 962 case kWhatClosedCaptionNotify: 963 { 964 onClosedCaptionNotify(msg); 965 break; 966 } 967 968 default: 969 TRESPASS(); 970 break; 971 } 972} 973 974void NuPlayer::finishFlushIfPossible() { 975 if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED 976 && mFlushingAudio != SHUT_DOWN) { 977 return; 978 } 979 980 if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED 981 && mFlushingVideo != SHUT_DOWN) { 982 return; 983 } 984 985 ALOGV("both audio and video are flushed now."); 986 987 mPendingAudioAccessUnit.clear(); 988 989 if (mTimeDiscontinuityPending) { 990 mRenderer->signalTimeDiscontinuity(); 991 mTimeDiscontinuityPending = false; 992 } 993 994 if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) { 995 mAudioDecoder->signalResume(); 996 } 997 998 if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) { 999 mVideoDecoder->signalResume(); 1000 } 1001 1002 mFlushingAudio = NONE; 1003 mFlushingVideo = NONE; 1004 1005 processDeferredActions(); 1006} 1007 1008void NuPlayer::postScanSources() { 1009 if (mScanSourcesPending) { 1010 return; 1011 } 1012 1013 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 1014 msg->setInt32("generation", mScanSourcesGeneration); 1015 msg->post(); 1016 1017 mScanSourcesPending = true; 1018} 1019 1020void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) { 1021 ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)", 1022 offloadOnly, mOffloadAudio); 1023 bool audioSinkChanged = false; 1024 1025 int32_t numChannels; 1026 CHECK(format->findInt32("channel-count", &numChannels)); 1027 1028 int32_t channelMask; 1029 if (!format->findInt32("channel-mask", &channelMask)) { 1030 // signal to the AudioSink to derive the mask from count. 1031 channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; 1032 } 1033 1034 int32_t sampleRate; 1035 CHECK(format->findInt32("sample-rate", &sampleRate)); 1036 1037 uint32_t flags; 1038 int64_t durationUs; 1039 // FIXME: we should handle the case where the video decoder 1040 // is created after we receive the format change indication. 1041 // Current code will just make that we select deep buffer 1042 // with video which should not be a problem as it should 1043 // not prevent from keeping A/V sync. 1044 if (mVideoDecoder == NULL && 1045 mSource->getDuration(&durationUs) == OK && 1046 durationUs 1047 > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 1048 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1049 } else { 1050 flags = AUDIO_OUTPUT_FLAG_NONE; 1051 } 1052 1053 if (mOffloadAudio) { 1054 audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT; 1055 AString mime; 1056 CHECK(format->findString("mime", &mime)); 1057 status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str()); 1058 1059 if (err != OK) { 1060 ALOGE("Couldn't map mime \"%s\" to a valid " 1061 "audio_format", mime.c_str()); 1062 mOffloadAudio = false; 1063 } else { 1064 ALOGV("Mime \"%s\" mapped to audio_format 0x%x", 1065 mime.c_str(), audioFormat); 1066 1067 int avgBitRate = -1; 1068 format->findInt32("bit-rate", &avgBitRate); 1069 1070 int32_t aacProfile = -1; 1071 if (audioFormat == AUDIO_FORMAT_AAC 1072 && format->findInt32("aac-profile", &aacProfile)) { 1073 // Redefine AAC format as per aac profile 1074 mapAACProfileToAudioFormat( 1075 audioFormat, 1076 aacProfile); 1077 } 1078 1079 audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER; 1080 offloadInfo.duration_us = -1; 1081 format->findInt64( 1082 "durationUs", &offloadInfo.duration_us); 1083 offloadInfo.sample_rate = sampleRate; 1084 offloadInfo.channel_mask = channelMask; 1085 offloadInfo.format = audioFormat; 1086 offloadInfo.stream_type = AUDIO_STREAM_MUSIC; 1087 offloadInfo.bit_rate = avgBitRate; 1088 offloadInfo.has_video = (mVideoDecoder != NULL); 1089 offloadInfo.is_streaming = true; 1090 1091 if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) { 1092 ALOGV("openAudioSink: no change in offload mode"); 1093 return; // no change from previous configuration, everything ok. 1094 } 1095 ALOGV("openAudioSink: try to open AudioSink in offload mode"); 1096 flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1097 flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1098 audioSinkChanged = true; 1099 mAudioSink->close(); 1100 err = mAudioSink->open( 1101 sampleRate, 1102 numChannels, 1103 (audio_channel_mask_t)channelMask, 1104 audioFormat, 1105 8 /* bufferCount */, 1106 &NuPlayer::Renderer::AudioSinkCallback, 1107 mRenderer.get(), 1108 (audio_output_flags_t)flags, 1109 &offloadInfo); 1110 1111 if (err == OK) { 1112 // If the playback is offloaded to h/w, we pass 1113 // the HAL some metadata information. 1114 // We don't want to do this for PCM because it 1115 // will be going through the AudioFlinger mixer 1116 // before reaching the hardware. 1117 sp<MetaData> audioMeta = 1118 mSource->getFormatMeta(true /* audio */); 1119 sendMetaDataToHal(mAudioSink, audioMeta); 1120 mCurrentOffloadInfo = offloadInfo; 1121 err = mAudioSink->start(); 1122 ALOGV_IF(err == OK, "openAudioSink: offload succeeded"); 1123 } 1124 if (err != OK) { 1125 // Clean up, fall back to non offload mode. 1126 mAudioSink->close(); 1127 mRenderer->signalDisableOffloadAudio(); 1128 mOffloadAudio = false; 1129 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1130 ALOGV("openAudioSink: offload failed"); 1131 } 1132 } 1133 } 1134 if (!offloadOnly && !mOffloadAudio) { 1135 flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1136 ALOGV("openAudioSink: open AudioSink in NON-offload mode"); 1137 1138 audioSinkChanged = true; 1139 mAudioSink->close(); 1140 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1141 CHECK_EQ(mAudioSink->open( 1142 sampleRate, 1143 numChannels, 1144 (audio_channel_mask_t)channelMask, 1145 AUDIO_FORMAT_PCM_16_BIT, 1146 8 /* bufferCount */, 1147 NULL, 1148 NULL, 1149 (audio_output_flags_t)flags), 1150 (status_t)OK); 1151 mAudioSink->start(); 1152 } 1153 if (audioSinkChanged) { 1154 mRenderer->signalAudioSinkChanged(); 1155 } 1156} 1157 1158void NuPlayer::closeAudioSink() { 1159 mAudioSink->close(); 1160 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1161} 1162 1163status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 1164 if (*decoder != NULL) { 1165 return OK; 1166 } 1167 1168 sp<AMessage> format = mSource->getFormat(audio); 1169 1170 if (format == NULL) { 1171 return -EWOULDBLOCK; 1172 } 1173 1174 if (!audio) { 1175 AString mime; 1176 CHECK(format->findString("mime", &mime)); 1177 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 1178 1179 sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id()); 1180 mCCDecoder = new CCDecoder(ccNotify); 1181 1182 if (mSourceFlags & Source::FLAG_SECURE) { 1183 format->setInt32("secure", true); 1184 } 1185 } 1186 1187 if (audio) { 1188 sp<AMessage> notify = new AMessage(kWhatAudioNotify, id()); 1189 ++mAudioDecoderGeneration; 1190 notify->setInt32("generation", mAudioDecoderGeneration); 1191 1192 if (mOffloadAudio) { 1193 *decoder = new DecoderPassThrough(notify); 1194 } else { 1195 *decoder = new Decoder(notify); 1196 } 1197 } else { 1198 sp<AMessage> notify = new AMessage(kWhatVideoNotify, id()); 1199 ++mVideoDecoderGeneration; 1200 notify->setInt32("generation", mVideoDecoderGeneration); 1201 1202 *decoder = new Decoder(notify, mNativeWindow); 1203 } 1204 (*decoder)->init(); 1205 (*decoder)->configure(format); 1206 1207 // allocate buffers to decrypt widevine source buffers 1208 if (!audio && (mSourceFlags & Source::FLAG_SECURE)) { 1209 Vector<sp<ABuffer> > inputBufs; 1210 CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK); 1211 1212 Vector<MediaBuffer *> mediaBufs; 1213 for (size_t i = 0; i < inputBufs.size(); i++) { 1214 const sp<ABuffer> &buffer = inputBufs[i]; 1215 MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size()); 1216 mediaBufs.push(mbuf); 1217 } 1218 1219 status_t err = mSource->setBuffers(audio, mediaBufs); 1220 if (err != OK) { 1221 for (size_t i = 0; i < mediaBufs.size(); ++i) { 1222 mediaBufs[i]->release(); 1223 } 1224 mediaBufs.clear(); 1225 ALOGE("Secure source didn't support secure mediaBufs."); 1226 return err; 1227 } 1228 } 1229 return OK; 1230} 1231 1232status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 1233 sp<AMessage> reply; 1234 CHECK(msg->findMessage("reply", &reply)); 1235 1236 if ((audio && mFlushingAudio != NONE) 1237 || (!audio && mFlushingVideo != NONE)) { 1238 reply->setInt32("err", INFO_DISCONTINUITY); 1239 reply->post(); 1240 return OK; 1241 } 1242 1243 sp<ABuffer> accessUnit; 1244 1245 // Aggregate smaller buffers into a larger buffer. 1246 // The goal is to reduce power consumption. 1247 // Unfortunately this does not work with the software AAC decoder. 1248 // TODO optimize buffer size for power consumption 1249 // The offload read buffer size is 32 KB but 24 KB uses less power. 1250 const int kAudioBigBufferSizeBytes = 24 * 1024; 1251 bool doBufferAggregation = (audio && mOffloadAudio); 1252 sp<ABuffer> biggerBuffer; 1253 bool needMoreData = false; 1254 int numSmallBuffers = 0; 1255 bool gotTime = false; 1256 1257 bool dropAccessUnit; 1258 do { 1259 status_t err; 1260 // Did we save an accessUnit earlier because of a discontinuity? 1261 if (audio && (mPendingAudioAccessUnit != NULL)) { 1262 accessUnit = mPendingAudioAccessUnit; 1263 mPendingAudioAccessUnit.clear(); 1264 err = mPendingAudioErr; 1265 ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit"); 1266 } else { 1267 err = mSource->dequeueAccessUnit(audio, &accessUnit); 1268 } 1269 1270 if (err == -EWOULDBLOCK) { 1271 ALOGD("feedDecoderInputData() got EWOULDBLOCK"); 1272 if (biggerBuffer == NULL) { 1273 return err; 1274 } else { 1275 break; // Reply with data that we already have. 1276 } 1277 } else if (err != OK) { 1278 if (err == INFO_DISCONTINUITY) { 1279 if (biggerBuffer != NULL) { 1280 // We already have some data so save this for later. 1281 mPendingAudioErr = err; 1282 mPendingAudioAccessUnit = accessUnit; 1283 accessUnit.clear(); 1284 ALOGD("feedDecoderInputData() save discontinuity for later"); 1285 break; 1286 } 1287 int32_t type; 1288 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 1289 1290 bool formatChange = 1291 (audio && 1292 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 1293 || (!audio && 1294 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 1295 1296 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 1297 1298 ALOGI("%s discontinuity (formatChange=%d, time=%d)", 1299 audio ? "audio" : "video", formatChange, timeChange); 1300 1301 if (audio) { 1302 mSkipRenderingAudioUntilMediaTimeUs = -1; 1303 } else { 1304 mSkipRenderingVideoUntilMediaTimeUs = -1; 1305 } 1306 1307 if (timeChange) { 1308 sp<AMessage> extra; 1309 if (accessUnit->meta()->findMessage("extra", &extra) 1310 && extra != NULL) { 1311 int64_t resumeAtMediaTimeUs; 1312 if (extra->findInt64( 1313 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 1314 ALOGI("suppressing rendering of %s until %lld us", 1315 audio ? "audio" : "video", resumeAtMediaTimeUs); 1316 1317 if (audio) { 1318 mSkipRenderingAudioUntilMediaTimeUs = 1319 resumeAtMediaTimeUs; 1320 } else { 1321 mSkipRenderingVideoUntilMediaTimeUs = 1322 resumeAtMediaTimeUs; 1323 } 1324 } 1325 } 1326 } 1327 1328 mTimeDiscontinuityPending = 1329 mTimeDiscontinuityPending || timeChange; 1330 1331 bool seamlessFormatChange = false; 1332 sp<AMessage> newFormat = mSource->getFormat(audio); 1333 if (formatChange) { 1334 seamlessFormatChange = 1335 getDecoder(audio)->supportsSeamlessFormatChange(newFormat); 1336 // treat seamless format change separately 1337 formatChange = !seamlessFormatChange; 1338 } 1339 bool shutdownOrFlush = formatChange || timeChange; 1340 1341 // We want to queue up scan-sources only once per discontinuity. 1342 // We control this by doing it only if neither audio nor video are 1343 // flushing or shutting down. (After handling 1st discontinuity, one 1344 // of the flushing states will not be NONE.) 1345 // No need to scan sources if this discontinuity does not result 1346 // in a flush or shutdown, as the flushing state will stay NONE. 1347 if (mFlushingAudio == NONE && mFlushingVideo == NONE && 1348 shutdownOrFlush) { 1349 // And we'll resume scanning sources once we're done 1350 // flushing. 1351 mDeferredActions.push_front( 1352 new SimpleAction( 1353 &NuPlayer::performScanSources)); 1354 } 1355 1356 if (formatChange /* not seamless */) { 1357 // must change decoder 1358 flushDecoder(audio, /* needShutdown = */ true); 1359 } else if (timeChange) { 1360 // need to flush 1361 flushDecoder(audio, /* needShutdown = */ false, newFormat); 1362 err = OK; 1363 } else if (seamlessFormatChange) { 1364 // reuse existing decoder and don't flush 1365 updateDecoderFormatWithoutFlush(audio, newFormat); 1366 err = OK; 1367 } else { 1368 // This stream is unaffected by the discontinuity 1369 return -EWOULDBLOCK; 1370 } 1371 } 1372 1373 reply->setInt32("err", err); 1374 reply->post(); 1375 return OK; 1376 } 1377 1378 if (!audio) { 1379 ++mNumFramesTotal; 1380 } 1381 1382 dropAccessUnit = false; 1383 if (!audio 1384 && !(mSourceFlags & Source::FLAG_SECURE) 1385 && mVideoLateByUs > 100000ll 1386 && mVideoIsAVC 1387 && !IsAVCReferenceFrame(accessUnit)) { 1388 dropAccessUnit = true; 1389 ++mNumFramesDropped; 1390 } 1391 1392 size_t smallSize = accessUnit->size(); 1393 needMoreData = false; 1394 if (doBufferAggregation && (biggerBuffer == NULL) 1395 // Don't bother if only room for a few small buffers. 1396 && (smallSize < (kAudioBigBufferSizeBytes / 3))) { 1397 // Create a larger buffer for combining smaller buffers from the extractor. 1398 biggerBuffer = new ABuffer(kAudioBigBufferSizeBytes); 1399 biggerBuffer->setRange(0, 0); // start empty 1400 } 1401 1402 if (biggerBuffer != NULL) { 1403 int64_t timeUs; 1404 bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs); 1405 // Will the smaller buffer fit? 1406 size_t bigSize = biggerBuffer->size(); 1407 size_t roomLeft = biggerBuffer->capacity() - bigSize; 1408 // Should we save this small buffer for the next big buffer? 1409 // If the first small buffer did not have a timestamp then save 1410 // any buffer that does have a timestamp until the next big buffer. 1411 if ((smallSize > roomLeft) 1412 || (!gotTime && (numSmallBuffers > 0) && smallTimestampValid)) { 1413 mPendingAudioErr = err; 1414 mPendingAudioAccessUnit = accessUnit; 1415 accessUnit.clear(); 1416 } else { 1417 // Append small buffer to the bigger buffer. 1418 memcpy(biggerBuffer->base() + bigSize, accessUnit->data(), smallSize); 1419 bigSize += smallSize; 1420 biggerBuffer->setRange(0, bigSize); 1421 1422 // Keep looping until we run out of room in the biggerBuffer. 1423 needMoreData = true; 1424 1425 // Grab time from first small buffer if available. 1426 if ((numSmallBuffers == 0) && smallTimestampValid) { 1427 biggerBuffer->meta()->setInt64("timeUs", timeUs); 1428 gotTime = true; 1429 } 1430 1431 ALOGV("feedDecoderInputData() #%d, smallSize = %zu, bigSize = %zu, capacity = %zu", 1432 numSmallBuffers, smallSize, bigSize, biggerBuffer->capacity()); 1433 numSmallBuffers++; 1434 } 1435 } 1436 } while (dropAccessUnit || needMoreData); 1437 1438 // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 1439 1440#if 0 1441 int64_t mediaTimeUs; 1442 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 1443 ALOGV("feeding %s input buffer at media time %.2f secs", 1444 audio ? "audio" : "video", 1445 mediaTimeUs / 1E6); 1446#endif 1447 1448 if (!audio) { 1449 mCCDecoder->decode(accessUnit); 1450 } 1451 1452 if (biggerBuffer != NULL) { 1453 ALOGV("feedDecoderInputData() reply with aggregated buffer, %d", numSmallBuffers); 1454 reply->setBuffer("buffer", biggerBuffer); 1455 } else { 1456 reply->setBuffer("buffer", accessUnit); 1457 } 1458 1459 reply->post(); 1460 1461 return OK; 1462} 1463 1464void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 1465 // ALOGV("renderBuffer %s", audio ? "audio" : "video"); 1466 1467 sp<AMessage> reply; 1468 CHECK(msg->findMessage("reply", &reply)); 1469 1470 if ((audio && mFlushingAudio != NONE) 1471 || (!audio && mFlushingVideo != NONE)) { 1472 // We're currently attempting to flush the decoder, in order 1473 // to complete this, the decoder wants all its buffers back, 1474 // so we don't want any output buffers it sent us (from before 1475 // we initiated the flush) to be stuck in the renderer's queue. 1476 1477 ALOGV("we're still flushing the %s decoder, sending its output buffer" 1478 " right back.", audio ? "audio" : "video"); 1479 1480 reply->post(); 1481 return; 1482 } 1483 1484 sp<ABuffer> buffer; 1485 CHECK(msg->findBuffer("buffer", &buffer)); 1486 1487 int64_t mediaTimeUs; 1488 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 1489 1490 int64_t &skipUntilMediaTimeUs = 1491 audio 1492 ? mSkipRenderingAudioUntilMediaTimeUs 1493 : mSkipRenderingVideoUntilMediaTimeUs; 1494 1495 if (skipUntilMediaTimeUs >= 0) { 1496 1497 if (mediaTimeUs < skipUntilMediaTimeUs) { 1498 ALOGV("dropping %s buffer at time %lld as requested.", 1499 audio ? "audio" : "video", 1500 mediaTimeUs); 1501 1502 reply->post(); 1503 return; 1504 } 1505 1506 skipUntilMediaTimeUs = -1; 1507 } 1508 1509 if (!audio && mCCDecoder->isSelected()) { 1510 mCCDecoder->display(mediaTimeUs); 1511 } 1512 1513 mRenderer->queueBuffer(audio, buffer, reply); 1514} 1515 1516void NuPlayer::updateVideoSize( 1517 const sp<AMessage> &inputFormat, 1518 const sp<AMessage> &outputFormat) { 1519 if (inputFormat == NULL) { 1520 ALOGW("Unknown video size, reporting 0x0!"); 1521 notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0); 1522 return; 1523 } 1524 1525 int32_t displayWidth, displayHeight; 1526 int32_t cropLeft, cropTop, cropRight, cropBottom; 1527 1528 if (outputFormat != NULL) { 1529 int32_t width, height; 1530 CHECK(outputFormat->findInt32("width", &width)); 1531 CHECK(outputFormat->findInt32("height", &height)); 1532 1533 int32_t cropLeft, cropTop, cropRight, cropBottom; 1534 CHECK(outputFormat->findRect( 1535 "crop", 1536 &cropLeft, &cropTop, &cropRight, &cropBottom)); 1537 1538 displayWidth = cropRight - cropLeft + 1; 1539 displayHeight = cropBottom - cropTop + 1; 1540 1541 ALOGV("Video output format changed to %d x %d " 1542 "(crop: %d x %d @ (%d, %d))", 1543 width, height, 1544 displayWidth, 1545 displayHeight, 1546 cropLeft, cropTop); 1547 } else { 1548 CHECK(inputFormat->findInt32("width", &displayWidth)); 1549 CHECK(inputFormat->findInt32("height", &displayHeight)); 1550 1551 ALOGV("Video input format %d x %d", displayWidth, displayHeight); 1552 } 1553 1554 // Take into account sample aspect ratio if necessary: 1555 int32_t sarWidth, sarHeight; 1556 if (inputFormat->findInt32("sar-width", &sarWidth) 1557 && inputFormat->findInt32("sar-height", &sarHeight)) { 1558 ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight); 1559 1560 displayWidth = (displayWidth * sarWidth) / sarHeight; 1561 1562 ALOGV("display dimensions %d x %d", displayWidth, displayHeight); 1563 } 1564 1565 int32_t rotationDegrees; 1566 if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) { 1567 rotationDegrees = 0; 1568 } 1569 1570 if (rotationDegrees == 90 || rotationDegrees == 270) { 1571 int32_t tmp = displayWidth; 1572 displayWidth = displayHeight; 1573 displayHeight = tmp; 1574 } 1575 1576 notifyListener( 1577 MEDIA_SET_VIDEO_SIZE, 1578 displayWidth, 1579 displayHeight); 1580} 1581 1582void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) { 1583 if (mDriver == NULL) { 1584 return; 1585 } 1586 1587 sp<NuPlayerDriver> driver = mDriver.promote(); 1588 1589 if (driver == NULL) { 1590 return; 1591 } 1592 1593 driver->notifyListener(msg, ext1, ext2, in); 1594} 1595 1596void NuPlayer::flushDecoder( 1597 bool audio, bool needShutdown, const sp<AMessage> &newFormat) { 1598 ALOGV("[%s] flushDecoder needShutdown=%d", 1599 audio ? "audio" : "video", needShutdown); 1600 1601 const sp<Decoder> &decoder = getDecoder(audio); 1602 if (decoder == NULL) { 1603 ALOGI("flushDecoder %s without decoder present", 1604 audio ? "audio" : "video"); 1605 return; 1606 } 1607 1608 // Make sure we don't continue to scan sources until we finish flushing. 1609 ++mScanSourcesGeneration; 1610 mScanSourcesPending = false; 1611 1612 decoder->signalFlush(newFormat); 1613 mRenderer->flush(audio); 1614 1615 FlushStatus newStatus = 1616 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 1617 1618 if (audio) { 1619 ALOGE_IF(mFlushingAudio != NONE, 1620 "audio flushDecoder() is called in state %d", mFlushingAudio); 1621 mFlushingAudio = newStatus; 1622 } else { 1623 ALOGE_IF(mFlushingVideo != NONE, 1624 "video flushDecoder() is called in state %d", mFlushingVideo); 1625 mFlushingVideo = newStatus; 1626 } 1627} 1628 1629void NuPlayer::updateDecoderFormatWithoutFlush( 1630 bool audio, const sp<AMessage> &format) { 1631 ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video"); 1632 1633 const sp<Decoder> &decoder = getDecoder(audio); 1634 if (decoder == NULL) { 1635 ALOGI("updateDecoderFormatWithoutFlush %s without decoder present", 1636 audio ? "audio" : "video"); 1637 return; 1638 } 1639 1640 decoder->signalUpdateFormat(format); 1641} 1642 1643void NuPlayer::queueDecoderShutdown( 1644 bool audio, bool video, const sp<AMessage> &reply) { 1645 ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video); 1646 1647 mDeferredActions.push_back( 1648 new ShutdownDecoderAction(audio, video)); 1649 1650 mDeferredActions.push_back( 1651 new SimpleAction(&NuPlayer::performScanSources)); 1652 1653 mDeferredActions.push_back(new PostMessageAction(reply)); 1654 1655 processDeferredActions(); 1656} 1657 1658status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1659 mVideoScalingMode = mode; 1660 if (mNativeWindow != NULL) { 1661 status_t ret = native_window_set_scaling_mode( 1662 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1663 if (ret != OK) { 1664 ALOGE("Failed to set scaling mode (%d): %s", 1665 -ret, strerror(-ret)); 1666 return ret; 1667 } 1668 } 1669 return OK; 1670} 1671 1672status_t NuPlayer::getTrackInfo(Parcel* reply) const { 1673 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id()); 1674 msg->setPointer("reply", reply); 1675 1676 sp<AMessage> response; 1677 status_t err = msg->postAndAwaitResponse(&response); 1678 return err; 1679} 1680 1681status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const { 1682 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id()); 1683 msg->setPointer("reply", reply); 1684 msg->setInt32("type", type); 1685 1686 sp<AMessage> response; 1687 status_t err = msg->postAndAwaitResponse(&response); 1688 if (err == OK && response != NULL) { 1689 CHECK(response->findInt32("err", &err)); 1690 } 1691 return err; 1692} 1693 1694status_t NuPlayer::selectTrack(size_t trackIndex, bool select) { 1695 sp<AMessage> msg = new AMessage(kWhatSelectTrack, id()); 1696 msg->setSize("trackIndex", trackIndex); 1697 msg->setInt32("select", select); 1698 1699 sp<AMessage> response; 1700 status_t err = msg->postAndAwaitResponse(&response); 1701 1702 if (err != OK) { 1703 return err; 1704 } 1705 1706 if (!response->findInt32("err", &err)) { 1707 err = OK; 1708 } 1709 1710 return err; 1711} 1712 1713void NuPlayer::schedulePollDuration() { 1714 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1715 msg->setInt32("generation", mPollDurationGeneration); 1716 msg->post(); 1717} 1718 1719void NuPlayer::cancelPollDuration() { 1720 ++mPollDurationGeneration; 1721} 1722 1723void NuPlayer::processDeferredActions() { 1724 while (!mDeferredActions.empty()) { 1725 // We won't execute any deferred actions until we're no longer in 1726 // an intermediate state, i.e. one more more decoders are currently 1727 // flushing or shutting down. 1728 1729 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 1730 // We're currently flushing, postpone the reset until that's 1731 // completed. 1732 1733 ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d", 1734 mFlushingAudio, mFlushingVideo); 1735 1736 break; 1737 } 1738 1739 sp<Action> action = *mDeferredActions.begin(); 1740 mDeferredActions.erase(mDeferredActions.begin()); 1741 1742 action->execute(this); 1743 } 1744} 1745 1746void NuPlayer::performSeek(int64_t seekTimeUs) { 1747 ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)", 1748 seekTimeUs, 1749 seekTimeUs / 1E6); 1750 1751 mSource->seekTo(seekTimeUs); 1752 ++mTimedTextGeneration; 1753 1754 if (mDriver != NULL) { 1755 sp<NuPlayerDriver> driver = mDriver.promote(); 1756 if (driver != NULL) { 1757 driver->notifyPosition(seekTimeUs); 1758 driver->notifySeekComplete(); 1759 } 1760 } 1761 1762 // everything's flushed, continue playback. 1763} 1764 1765void NuPlayer::performDecoderFlush() { 1766 ALOGV("performDecoderFlush"); 1767 1768 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 1769 return; 1770 } 1771 1772 mTimeDiscontinuityPending = true; 1773 1774 if (mAudioDecoder != NULL) { 1775 flushDecoder(true /* audio */, false /* needShutdown */); 1776 } 1777 1778 if (mVideoDecoder != NULL) { 1779 flushDecoder(false /* audio */, false /* needShutdown */); 1780 } 1781} 1782 1783void NuPlayer::performDecoderShutdown(bool audio, bool video) { 1784 ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video); 1785 1786 if ((!audio || mAudioDecoder == NULL) 1787 && (!video || mVideoDecoder == NULL)) { 1788 return; 1789 } 1790 1791 mTimeDiscontinuityPending = true; 1792 1793 if (audio && mAudioDecoder != NULL) { 1794 flushDecoder(true /* audio */, true /* needShutdown */); 1795 } 1796 1797 if (video && mVideoDecoder != NULL) { 1798 flushDecoder(false /* audio */, true /* needShutdown */); 1799 } 1800} 1801 1802void NuPlayer::performReset() { 1803 ALOGV("performReset"); 1804 1805 CHECK(mAudioDecoder == NULL); 1806 CHECK(mVideoDecoder == NULL); 1807 1808 cancelPollDuration(); 1809 1810 ++mScanSourcesGeneration; 1811 mScanSourcesPending = false; 1812 1813 if (mRendererLooper != NULL) { 1814 if (mRenderer != NULL) { 1815 mRendererLooper->unregisterHandler(mRenderer->id()); 1816 } 1817 mRendererLooper->stop(); 1818 mRendererLooper.clear(); 1819 } 1820 mRenderer.clear(); 1821 1822 if (mSource != NULL) { 1823 mSource->stop(); 1824 1825 mSource.clear(); 1826 } 1827 1828 if (mDriver != NULL) { 1829 sp<NuPlayerDriver> driver = mDriver.promote(); 1830 if (driver != NULL) { 1831 driver->notifyResetComplete(); 1832 } 1833 } 1834 1835 mStarted = false; 1836} 1837 1838void NuPlayer::performScanSources() { 1839 ALOGV("performScanSources"); 1840 1841 if (!mStarted) { 1842 return; 1843 } 1844 1845 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 1846 postScanSources(); 1847 } 1848} 1849 1850void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) { 1851 ALOGV("performSetSurface"); 1852 1853 mNativeWindow = wrapper; 1854 1855 // XXX - ignore error from setVideoScalingMode for now 1856 setVideoScalingMode(mVideoScalingMode); 1857 1858 if (mDriver != NULL) { 1859 sp<NuPlayerDriver> driver = mDriver.promote(); 1860 if (driver != NULL) { 1861 driver->notifySetSurfaceComplete(); 1862 } 1863 } 1864} 1865 1866void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { 1867 int32_t what; 1868 CHECK(msg->findInt32("what", &what)); 1869 1870 switch (what) { 1871 case Source::kWhatPrepared: 1872 { 1873 if (mSource == NULL) { 1874 // This is a stale notification from a source that was 1875 // asynchronously preparing when the client called reset(). 1876 // We handled the reset, the source is gone. 1877 break; 1878 } 1879 1880 int32_t err; 1881 CHECK(msg->findInt32("err", &err)); 1882 1883 sp<NuPlayerDriver> driver = mDriver.promote(); 1884 if (driver != NULL) { 1885 // notify duration first, so that it's definitely set when 1886 // the app received the "prepare complete" callback. 1887 int64_t durationUs; 1888 if (mSource->getDuration(&durationUs) == OK) { 1889 driver->notifyDuration(durationUs); 1890 } 1891 driver->notifyPrepareCompleted(err); 1892 } 1893 1894 break; 1895 } 1896 1897 case Source::kWhatFlagsChanged: 1898 { 1899 uint32_t flags; 1900 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1901 1902 sp<NuPlayerDriver> driver = mDriver.promote(); 1903 if (driver != NULL) { 1904 driver->notifyFlagsChanged(flags); 1905 } 1906 1907 if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1908 && (!(flags & Source::FLAG_DYNAMIC_DURATION))) { 1909 cancelPollDuration(); 1910 } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1911 && (flags & Source::FLAG_DYNAMIC_DURATION) 1912 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 1913 schedulePollDuration(); 1914 } 1915 1916 mSourceFlags = flags; 1917 break; 1918 } 1919 1920 case Source::kWhatVideoSizeChanged: 1921 { 1922 sp<AMessage> format; 1923 CHECK(msg->findMessage("format", &format)); 1924 1925 updateVideoSize(format); 1926 break; 1927 } 1928 1929 case Source::kWhatBufferingUpdate: 1930 { 1931 int32_t percentage; 1932 CHECK(msg->findInt32("percentage", &percentage)); 1933 1934 notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0); 1935 break; 1936 } 1937 1938 case Source::kWhatBufferingStart: 1939 { 1940 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0); 1941 break; 1942 } 1943 1944 case Source::kWhatBufferingEnd: 1945 { 1946 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0); 1947 break; 1948 } 1949 1950 case Source::kWhatSubtitleData: 1951 { 1952 sp<ABuffer> buffer; 1953 CHECK(msg->findBuffer("buffer", &buffer)); 1954 1955 sendSubtitleData(buffer, 0 /* baseIndex */); 1956 break; 1957 } 1958 1959 case Source::kWhatTimedTextData: 1960 { 1961 int32_t generation; 1962 if (msg->findInt32("generation", &generation) 1963 && generation != mTimedTextGeneration) { 1964 break; 1965 } 1966 1967 sp<ABuffer> buffer; 1968 CHECK(msg->findBuffer("buffer", &buffer)); 1969 1970 sp<NuPlayerDriver> driver = mDriver.promote(); 1971 if (driver == NULL) { 1972 break; 1973 } 1974 1975 int posMs; 1976 int64_t timeUs, posUs; 1977 driver->getCurrentPosition(&posMs); 1978 posUs = posMs * 1000; 1979 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 1980 1981 if (posUs < timeUs) { 1982 if (!msg->findInt32("generation", &generation)) { 1983 msg->setInt32("generation", mTimedTextGeneration); 1984 } 1985 msg->post(timeUs - posUs); 1986 } else { 1987 sendTimedTextData(buffer); 1988 } 1989 break; 1990 } 1991 1992 case Source::kWhatQueueDecoderShutdown: 1993 { 1994 int32_t audio, video; 1995 CHECK(msg->findInt32("audio", &audio)); 1996 CHECK(msg->findInt32("video", &video)); 1997 1998 sp<AMessage> reply; 1999 CHECK(msg->findMessage("reply", &reply)); 2000 2001 queueDecoderShutdown(audio, video, reply); 2002 break; 2003 } 2004 2005 case Source::kWhatDrmNoLicense: 2006 { 2007 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE); 2008 break; 2009 } 2010 2011 default: 2012 TRESPASS(); 2013 } 2014} 2015 2016void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) { 2017 int32_t what; 2018 CHECK(msg->findInt32("what", &what)); 2019 2020 switch (what) { 2021 case NuPlayer::CCDecoder::kWhatClosedCaptionData: 2022 { 2023 sp<ABuffer> buffer; 2024 CHECK(msg->findBuffer("buffer", &buffer)); 2025 2026 size_t inbandTracks = 0; 2027 if (mSource != NULL) { 2028 inbandTracks = mSource->getTrackCount(); 2029 } 2030 2031 sendSubtitleData(buffer, inbandTracks); 2032 break; 2033 } 2034 2035 case NuPlayer::CCDecoder::kWhatTrackAdded: 2036 { 2037 notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); 2038 2039 break; 2040 } 2041 2042 default: 2043 TRESPASS(); 2044 } 2045 2046 2047} 2048 2049void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { 2050 int32_t trackIndex; 2051 int64_t timeUs, durationUs; 2052 CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex)); 2053 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2054 CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); 2055 2056 Parcel in; 2057 in.writeInt32(trackIndex + baseIndex); 2058 in.writeInt64(timeUs); 2059 in.writeInt64(durationUs); 2060 in.writeInt32(buffer->size()); 2061 in.writeInt32(buffer->size()); 2062 in.write(buffer->data(), buffer->size()); 2063 2064 notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); 2065} 2066 2067void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { 2068 const void *data; 2069 size_t size = 0; 2070 int64_t timeUs; 2071 int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS; 2072 2073 AString mime; 2074 CHECK(buffer->meta()->findString("mime", &mime)); 2075 CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0); 2076 2077 data = buffer->data(); 2078 size = buffer->size(); 2079 2080 Parcel parcel; 2081 if (size > 0) { 2082 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2083 flag |= TextDescriptions::IN_BAND_TEXT_3GPP; 2084 TextDescriptions::getParcelOfDescriptions( 2085 (const uint8_t *)data, size, flag, timeUs / 1000, &parcel); 2086 } 2087 2088 if ((parcel.dataSize() > 0)) { 2089 notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel); 2090 } else { // send an empty timed text 2091 notifyListener(MEDIA_TIMED_TEXT, 0, 0); 2092 } 2093} 2094//////////////////////////////////////////////////////////////////////////////// 2095 2096sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 2097 sp<MetaData> meta = getFormatMeta(audio); 2098 2099 if (meta == NULL) { 2100 return NULL; 2101 } 2102 2103 sp<AMessage> msg = new AMessage; 2104 2105 if(convertMetaDataToMessage(meta, &msg) == OK) { 2106 return msg; 2107 } 2108 return NULL; 2109} 2110 2111void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) { 2112 sp<AMessage> notify = dupNotify(); 2113 notify->setInt32("what", kWhatFlagsChanged); 2114 notify->setInt32("flags", flags); 2115 notify->post(); 2116} 2117 2118void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) { 2119 sp<AMessage> notify = dupNotify(); 2120 notify->setInt32("what", kWhatVideoSizeChanged); 2121 notify->setMessage("format", format); 2122 notify->post(); 2123} 2124 2125void NuPlayer::Source::notifyPrepared(status_t err) { 2126 sp<AMessage> notify = dupNotify(); 2127 notify->setInt32("what", kWhatPrepared); 2128 notify->setInt32("err", err); 2129 notify->post(); 2130} 2131 2132void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) { 2133 TRESPASS(); 2134} 2135 2136} // namespace android 2137