NuPlayer.cpp revision cbe165a6f68c90bbdd2b1593387d4072bd80b924
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 mCurrentPositionUs(0), 149 mVideoIsAVC(false), 150 mOffloadAudio(false), 151 mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER), 152 mAudioDecoderGeneration(0), 153 mVideoDecoderGeneration(0), 154 mAudioEOS(false), 155 mVideoEOS(false), 156 mScanSourcesPending(false), 157 mScanSourcesGeneration(0), 158 mPollDurationGeneration(0), 159 mTimedTextGeneration(0), 160 mTimeDiscontinuityPending(false), 161 mFlushingAudio(NONE), 162 mFlushingVideo(NONE), 163 mSkipRenderingAudioUntilMediaTimeUs(-1ll), 164 mSkipRenderingVideoUntilMediaTimeUs(-1ll), 165 mVideoLateByUs(0ll), 166 mNumFramesTotal(0ll), 167 mNumFramesDropped(0ll), 168 mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW), 169 mStarted(false) { 170} 171 172NuPlayer::~NuPlayer() { 173} 174 175void NuPlayer::setUID(uid_t uid) { 176 mUIDValid = true; 177 mUID = uid; 178} 179 180void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 181 mDriver = driver; 182} 183 184void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) { 185 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 186 187 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 188 189 msg->setObject("source", new StreamingSource(notify, source)); 190 msg->post(); 191} 192 193static bool IsHTTPLiveURL(const char *url) { 194 if (!strncasecmp("http://", url, 7) 195 || !strncasecmp("https://", url, 8) 196 || !strncasecmp("file://", url, 7)) { 197 size_t len = strlen(url); 198 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 199 return true; 200 } 201 202 if (strstr(url,"m3u8")) { 203 return true; 204 } 205 } 206 207 return false; 208} 209 210void NuPlayer::setDataSourceAsync( 211 const sp<IMediaHTTPService> &httpService, 212 const char *url, 213 const KeyedVector<String8, String8> *headers) { 214 215 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 216 size_t len = strlen(url); 217 218 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 219 220 sp<Source> source; 221 if (IsHTTPLiveURL(url)) { 222 source = new HTTPLiveSource(notify, httpService, url, headers); 223 } else if (!strncasecmp(url, "rtsp://", 7)) { 224 source = new RTSPSource( 225 notify, httpService, url, headers, mUIDValid, mUID); 226 } else if ((!strncasecmp(url, "http://", 7) 227 || !strncasecmp(url, "https://", 8)) 228 && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) 229 || strstr(url, ".sdp?"))) { 230 source = new RTSPSource( 231 notify, httpService, url, headers, mUIDValid, mUID, true); 232 } else { 233 sp<GenericSource> genericSource = 234 new GenericSource(notify, mUIDValid, mUID); 235 // Don't set FLAG_SECURE on mSourceFlags here for widevine. 236 // The correct flags will be updated in Source::kWhatFlagsChanged 237 // handler when GenericSource is prepared. 238 239 status_t err = genericSource->setDataSource(httpService, url, headers); 240 241 if (err == OK) { 242 source = genericSource; 243 } else { 244 ALOGE("Failed to set data source!"); 245 } 246 } 247 msg->setObject("source", source); 248 msg->post(); 249} 250 251void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) { 252 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 253 254 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 255 256 sp<GenericSource> source = 257 new GenericSource(notify, mUIDValid, mUID); 258 259 status_t err = source->setDataSource(fd, offset, length); 260 261 if (err != OK) { 262 ALOGE("Failed to set data source!"); 263 source = NULL; 264 } 265 266 msg->setObject("source", source); 267 msg->post(); 268} 269 270void NuPlayer::prepareAsync() { 271 (new AMessage(kWhatPrepare, id()))->post(); 272} 273 274void NuPlayer::setVideoSurfaceTextureAsync( 275 const sp<IGraphicBufferProducer> &bufferProducer) { 276 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 277 278 if (bufferProducer == NULL) { 279 msg->setObject("native-window", NULL); 280 } else { 281 msg->setObject( 282 "native-window", 283 new NativeWindowWrapper( 284 new Surface(bufferProducer, true /* controlledByApp */))); 285 } 286 287 msg->post(); 288} 289 290void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 291 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 292 msg->setObject("sink", sink); 293 msg->post(); 294} 295 296void NuPlayer::start() { 297 (new AMessage(kWhatStart, id()))->post(); 298} 299 300void NuPlayer::pause() { 301 (new AMessage(kWhatPause, id()))->post(); 302} 303 304void NuPlayer::resume() { 305 (new AMessage(kWhatResume, id()))->post(); 306} 307 308void NuPlayer::resetAsync() { 309 (new AMessage(kWhatReset, id()))->post(); 310} 311 312void NuPlayer::seekToAsync(int64_t seekTimeUs) { 313 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 314 msg->setInt64("seekTimeUs", seekTimeUs); 315 msg->post(); 316} 317 318// static 319bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { 320 switch (state) { 321 case FLUSHING_DECODER: 322 if (needShutdown != NULL) { 323 *needShutdown = false; 324 } 325 return true; 326 327 case FLUSHING_DECODER_SHUTDOWN: 328 if (needShutdown != NULL) { 329 *needShutdown = true; 330 } 331 return true; 332 333 default: 334 return false; 335 } 336} 337 338void NuPlayer::writeTrackInfo( 339 Parcel* reply, const sp<AMessage> format) const { 340 int32_t trackType; 341 CHECK(format->findInt32("type", &trackType)); 342 343 AString lang; 344 CHECK(format->findString("language", &lang)); 345 346 reply->writeInt32(2); // write something non-zero 347 reply->writeInt32(trackType); 348 reply->writeString16(String16(lang.c_str())); 349 350 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) { 351 AString mime; 352 CHECK(format->findString("mime", &mime)); 353 354 int32_t isAuto, isDefault, isForced; 355 CHECK(format->findInt32("auto", &isAuto)); 356 CHECK(format->findInt32("default", &isDefault)); 357 CHECK(format->findInt32("forced", &isForced)); 358 359 reply->writeString16(String16(mime.c_str())); 360 reply->writeInt32(isAuto); 361 reply->writeInt32(isDefault); 362 reply->writeInt32(isForced); 363 } 364} 365 366void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 367 switch (msg->what()) { 368 case kWhatSetDataSource: 369 { 370 ALOGV("kWhatSetDataSource"); 371 372 CHECK(mSource == NULL); 373 374 status_t err = OK; 375 sp<RefBase> obj; 376 CHECK(msg->findObject("source", &obj)); 377 if (obj != NULL) { 378 mSource = static_cast<Source *>(obj.get()); 379 } else { 380 err = UNKNOWN_ERROR; 381 } 382 383 CHECK(mDriver != NULL); 384 sp<NuPlayerDriver> driver = mDriver.promote(); 385 if (driver != NULL) { 386 driver->notifySetDataSourceCompleted(err); 387 } 388 break; 389 } 390 391 case kWhatPrepare: 392 { 393 mSource->prepareAsync(); 394 break; 395 } 396 397 case kWhatGetTrackInfo: 398 { 399 uint32_t replyID; 400 CHECK(msg->senderAwaitsResponse(&replyID)); 401 402 Parcel* reply; 403 CHECK(msg->findPointer("reply", (void**)&reply)); 404 405 size_t inbandTracks = 0; 406 if (mSource != NULL) { 407 inbandTracks = mSource->getTrackCount(); 408 } 409 410 size_t ccTracks = 0; 411 if (mCCDecoder != NULL) { 412 ccTracks = mCCDecoder->getTrackCount(); 413 } 414 415 // total track count 416 reply->writeInt32(inbandTracks + ccTracks); 417 418 // write inband tracks 419 for (size_t i = 0; i < inbandTracks; ++i) { 420 writeTrackInfo(reply, mSource->getTrackInfo(i)); 421 } 422 423 // write CC track 424 for (size_t i = 0; i < ccTracks; ++i) { 425 writeTrackInfo(reply, mCCDecoder->getTrackInfo(i)); 426 } 427 428 sp<AMessage> response = new AMessage; 429 response->postReply(replyID); 430 break; 431 } 432 433 case kWhatGetSelectedTrack: 434 { 435 status_t err = INVALID_OPERATION; 436 if (mSource != NULL) { 437 err = OK; 438 439 int32_t type32; 440 CHECK(msg->findInt32("type", (int32_t*)&type32)); 441 media_track_type type = (media_track_type)type32; 442 ssize_t selectedTrack = mSource->getSelectedTrack(type); 443 444 Parcel* reply; 445 CHECK(msg->findPointer("reply", (void**)&reply)); 446 reply->writeInt32(selectedTrack); 447 } 448 449 sp<AMessage> response = new AMessage; 450 response->setInt32("err", err); 451 452 uint32_t replyID; 453 CHECK(msg->senderAwaitsResponse(&replyID)); 454 response->postReply(replyID); 455 break; 456 } 457 458 case kWhatSelectTrack: 459 { 460 uint32_t replyID; 461 CHECK(msg->senderAwaitsResponse(&replyID)); 462 463 size_t trackIndex; 464 int32_t select; 465 CHECK(msg->findSize("trackIndex", &trackIndex)); 466 CHECK(msg->findInt32("select", &select)); 467 468 status_t err = INVALID_OPERATION; 469 470 size_t inbandTracks = 0; 471 if (mSource != NULL) { 472 inbandTracks = mSource->getTrackCount(); 473 } 474 size_t ccTracks = 0; 475 if (mCCDecoder != NULL) { 476 ccTracks = mCCDecoder->getTrackCount(); 477 } 478 479 if (trackIndex < inbandTracks) { 480 err = mSource->selectTrack(trackIndex, select); 481 482 if (!select && err == OK) { 483 int32_t type; 484 sp<AMessage> info = mSource->getTrackInfo(trackIndex); 485 if (info != NULL 486 && info->findInt32("type", &type) 487 && type == MEDIA_TRACK_TYPE_TIMEDTEXT) { 488 ++mTimedTextGeneration; 489 } 490 } 491 } else { 492 trackIndex -= inbandTracks; 493 494 if (trackIndex < ccTracks) { 495 err = mCCDecoder->selectTrack(trackIndex, select); 496 } 497 } 498 499 sp<AMessage> response = new AMessage; 500 response->setInt32("err", err); 501 502 response->postReply(replyID); 503 break; 504 } 505 506 case kWhatPollDuration: 507 { 508 int32_t generation; 509 CHECK(msg->findInt32("generation", &generation)); 510 511 if (generation != mPollDurationGeneration) { 512 // stale 513 break; 514 } 515 516 int64_t durationUs; 517 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 518 sp<NuPlayerDriver> driver = mDriver.promote(); 519 if (driver != NULL) { 520 driver->notifyDuration(durationUs); 521 } 522 } 523 524 msg->post(1000000ll); // poll again in a second. 525 break; 526 } 527 528 case kWhatSetVideoNativeWindow: 529 { 530 ALOGV("kWhatSetVideoNativeWindow"); 531 532 mDeferredActions.push_back( 533 new ShutdownDecoderAction( 534 false /* audio */, true /* video */)); 535 536 sp<RefBase> obj; 537 CHECK(msg->findObject("native-window", &obj)); 538 539 mDeferredActions.push_back( 540 new SetSurfaceAction( 541 static_cast<NativeWindowWrapper *>(obj.get()))); 542 543 if (obj != NULL) { 544 if (mStarted && mVideoDecoder != NULL) { 545 // Issue a seek to refresh the video screen only if started otherwise 546 // the extractor may not yet be started and will assert. 547 // If the video decoder is not set (perhaps audio only in this case) 548 // do not perform a seek as it is not needed. 549 mDeferredActions.push_back(new SeekAction(mCurrentPositionUs)); 550 } 551 552 // If there is a new surface texture, instantiate decoders 553 // again if possible. 554 mDeferredActions.push_back( 555 new SimpleAction(&NuPlayer::performScanSources)); 556 } 557 558 processDeferredActions(); 559 break; 560 } 561 562 case kWhatSetAudioSink: 563 { 564 ALOGV("kWhatSetAudioSink"); 565 566 sp<RefBase> obj; 567 CHECK(msg->findObject("sink", &obj)); 568 569 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 570 break; 571 } 572 573 case kWhatStart: 574 { 575 ALOGV("kWhatStart"); 576 577 mVideoIsAVC = false; 578 mOffloadAudio = false; 579 mAudioEOS = false; 580 mVideoEOS = false; 581 mSkipRenderingAudioUntilMediaTimeUs = -1; 582 mSkipRenderingVideoUntilMediaTimeUs = -1; 583 mVideoLateByUs = 0; 584 mNumFramesTotal = 0; 585 mNumFramesDropped = 0; 586 mStarted = true; 587 588 /* instantiate decoders now for secure playback */ 589 if (mSourceFlags & Source::FLAG_SECURE) { 590 if (mNativeWindow != NULL) { 591 instantiateDecoder(false, &mVideoDecoder); 592 } 593 594 if (mAudioSink != NULL) { 595 instantiateDecoder(true, &mAudioDecoder); 596 } 597 } 598 599 mSource->start(); 600 601 uint32_t flags = 0; 602 603 if (mSource->isRealTime()) { 604 flags |= Renderer::FLAG_REAL_TIME; 605 } 606 607 sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */); 608 audio_stream_type_t streamType = AUDIO_STREAM_MUSIC; 609 if (mAudioSink != NULL) { 610 streamType = mAudioSink->getAudioStreamType(); 611 } 612 613 sp<AMessage> videoFormat = mSource->getFormat(false /* audio */); 614 615 mOffloadAudio = 616 canOffloadStream(audioMeta, (videoFormat != NULL), 617 true /* is_streaming */, streamType); 618 if (mOffloadAudio) { 619 flags |= Renderer::FLAG_OFFLOAD_AUDIO; 620 } 621 622 mRenderer = new Renderer( 623 mAudioSink, 624 new AMessage(kWhatRendererNotify, id()), 625 flags); 626 627 mRendererLooper = new ALooper; 628 mRendererLooper->setName("NuPlayerRenderer"); 629 mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 630 mRendererLooper->registerHandler(mRenderer); 631 632 postScanSources(); 633 break; 634 } 635 636 case kWhatScanSources: 637 { 638 int32_t generation; 639 CHECK(msg->findInt32("generation", &generation)); 640 if (generation != mScanSourcesGeneration) { 641 // Drop obsolete msg. 642 break; 643 } 644 645 mScanSourcesPending = false; 646 647 ALOGV("scanning sources haveAudio=%d, haveVideo=%d", 648 mAudioDecoder != NULL, mVideoDecoder != NULL); 649 650 bool mHadAnySourcesBefore = 651 (mAudioDecoder != NULL) || (mVideoDecoder != NULL); 652 653 // initialize video before audio because successful initialization of 654 // video may change deep buffer mode of audio. 655 if (mNativeWindow != NULL) { 656 instantiateDecoder(false, &mVideoDecoder); 657 } 658 659 if (mAudioSink != NULL) { 660 if (mOffloadAudio) { 661 // open audio sink early under offload mode. 662 sp<AMessage> format = mSource->getFormat(true /*audio*/); 663 openAudioSink(format, true /*offloadOnly*/); 664 } 665 instantiateDecoder(true, &mAudioDecoder); 666 } 667 668 if (!mHadAnySourcesBefore 669 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 670 // This is the first time we've found anything playable. 671 672 if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) { 673 schedulePollDuration(); 674 } 675 } 676 677 status_t err; 678 if ((err = mSource->feedMoreTSData()) != OK) { 679 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 680 // We're not currently decoding anything (no audio or 681 // video tracks found) and we just ran out of input data. 682 683 if (err == ERROR_END_OF_STREAM) { 684 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 685 } else { 686 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 687 } 688 } 689 break; 690 } 691 692 if ((mAudioDecoder == NULL && mAudioSink != NULL) 693 || (mVideoDecoder == NULL && mNativeWindow != NULL)) { 694 msg->post(100000ll); 695 mScanSourcesPending = true; 696 } 697 break; 698 } 699 700 case kWhatVideoNotify: 701 case kWhatAudioNotify: 702 { 703 bool audio = msg->what() == kWhatAudioNotify; 704 705 int32_t currentDecoderGeneration = 706 (audio? mAudioDecoderGeneration : mVideoDecoderGeneration); 707 int32_t requesterGeneration = currentDecoderGeneration - 1; 708 CHECK(msg->findInt32("generation", &requesterGeneration)); 709 710 if (requesterGeneration != currentDecoderGeneration) { 711 ALOGV("got message from old %s decoder, generation(%d:%d)", 712 audio ? "audio" : "video", requesterGeneration, 713 currentDecoderGeneration); 714 sp<AMessage> reply; 715 if (!(msg->findMessage("reply", &reply))) { 716 return; 717 } 718 719 reply->setInt32("err", INFO_DISCONTINUITY); 720 reply->post(); 721 return; 722 } 723 724 int32_t what; 725 CHECK(msg->findInt32("what", &what)); 726 727 if (what == Decoder::kWhatFillThisBuffer) { 728 status_t err = feedDecoderInputData( 729 audio, msg); 730 731 if (err == -EWOULDBLOCK) { 732 if (mSource->feedMoreTSData() == OK) { 733 msg->post(10000ll); 734 } 735 } 736 } else if (what == Decoder::kWhatEOS) { 737 int32_t err; 738 CHECK(msg->findInt32("err", &err)); 739 740 if (err == ERROR_END_OF_STREAM) { 741 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); 742 } else { 743 ALOGV("got %s decoder EOS w/ error %d", 744 audio ? "audio" : "video", 745 err); 746 } 747 748 mRenderer->queueEOS(audio, err); 749 } else if (what == Decoder::kWhatFlushCompleted) { 750 bool needShutdown; 751 752 if (audio) { 753 CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); 754 mFlushingAudio = FLUSHED; 755 } else { 756 CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); 757 mFlushingVideo = FLUSHED; 758 759 mVideoLateByUs = 0; 760 } 761 762 ALOGV("decoder %s flush completed", audio ? "audio" : "video"); 763 764 if (needShutdown) { 765 ALOGV("initiating %s decoder shutdown", 766 audio ? "audio" : "video"); 767 768 getDecoder(audio)->initiateShutdown(); 769 770 if (audio) { 771 mFlushingAudio = SHUTTING_DOWN_DECODER; 772 } else { 773 mFlushingVideo = SHUTTING_DOWN_DECODER; 774 } 775 } 776 777 finishFlushIfPossible(); 778 } else if (what == Decoder::kWhatOutputFormatChanged) { 779 sp<AMessage> format; 780 CHECK(msg->findMessage("format", &format)); 781 782 if (audio) { 783 openAudioSink(format, false /*offloadOnly*/); 784 } else { 785 // video 786 sp<AMessage> inputFormat = 787 mSource->getFormat(false /* audio */); 788 789 updateVideoSize(inputFormat, format); 790 } 791 } else if (what == Decoder::kWhatShutdownCompleted) { 792 ALOGV("%s shutdown completed", audio ? "audio" : "video"); 793 if (audio) { 794 mAudioDecoder.clear(); 795 796 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 797 mFlushingAudio = SHUT_DOWN; 798 } else { 799 mVideoDecoder.clear(); 800 801 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 802 mFlushingVideo = SHUT_DOWN; 803 } 804 805 finishFlushIfPossible(); 806 } else if (what == Decoder::kWhatError) { 807 ALOGE("Received error from %s decoder, aborting playback.", 808 audio ? "audio" : "video"); 809 810 status_t err; 811 if (!msg->findInt32("err", &err)) { 812 err = UNKNOWN_ERROR; 813 } 814 mRenderer->queueEOS(audio, err); 815 if (audio && mFlushingAudio != NONE) { 816 mAudioDecoder.clear(); 817 mFlushingAudio = SHUT_DOWN; 818 } else if (!audio && mFlushingVideo != NONE){ 819 mVideoDecoder.clear(); 820 mFlushingVideo = SHUT_DOWN; 821 } 822 finishFlushIfPossible(); 823 } else if (what == Decoder::kWhatDrainThisBuffer) { 824 renderBuffer(audio, msg); 825 } else { 826 ALOGV("Unhandled decoder notification %d '%c%c%c%c'.", 827 what, 828 what >> 24, 829 (what >> 16) & 0xff, 830 (what >> 8) & 0xff, 831 what & 0xff); 832 } 833 834 break; 835 } 836 837 case kWhatRendererNotify: 838 { 839 int32_t what; 840 CHECK(msg->findInt32("what", &what)); 841 842 if (what == Renderer::kWhatEOS) { 843 int32_t audio; 844 CHECK(msg->findInt32("audio", &audio)); 845 846 int32_t finalResult; 847 CHECK(msg->findInt32("finalResult", &finalResult)); 848 849 if (audio) { 850 mAudioEOS = true; 851 } else { 852 mVideoEOS = true; 853 } 854 855 if (finalResult == ERROR_END_OF_STREAM) { 856 ALOGV("reached %s EOS", audio ? "audio" : "video"); 857 } else { 858 ALOGE("%s track encountered an error (%d)", 859 audio ? "audio" : "video", finalResult); 860 861 notifyListener( 862 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 863 } 864 865 if ((mAudioEOS || mAudioDecoder == NULL) 866 && (mVideoEOS || mVideoDecoder == NULL)) { 867 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 868 } 869 } else if (what == Renderer::kWhatPosition) { 870 int64_t positionUs; 871 CHECK(msg->findInt64("positionUs", &positionUs)); 872 mCurrentPositionUs = positionUs; 873 874 CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs)); 875 876 if (mDriver != NULL) { 877 sp<NuPlayerDriver> driver = mDriver.promote(); 878 if (driver != NULL) { 879 driver->notifyPosition(positionUs); 880 881 driver->notifyFrameStats( 882 mNumFramesTotal, mNumFramesDropped); 883 } 884 } 885 } else if (what == Renderer::kWhatFlushComplete) { 886 int32_t audio; 887 CHECK(msg->findInt32("audio", &audio)); 888 889 ALOGV("renderer %s flush completed.", audio ? "audio" : "video"); 890 } else if (what == Renderer::kWhatVideoRenderingStart) { 891 notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0); 892 } else if (what == Renderer::kWhatMediaRenderingStart) { 893 ALOGV("media rendering started"); 894 notifyListener(MEDIA_STARTED, 0, 0); 895 } else if (what == Renderer::kWhatAudioOffloadTearDown) { 896 ALOGV("Tear down audio offload, fall back to s/w path"); 897 int64_t positionUs; 898 CHECK(msg->findInt64("positionUs", &positionUs)); 899 closeAudioSink(); 900 mAudioDecoder.clear(); 901 mRenderer->flush(true /* audio */); 902 if (mVideoDecoder != NULL) { 903 mRenderer->flush(false /* audio */); 904 } 905 mRenderer->signalDisableOffloadAudio(); 906 mOffloadAudio = false; 907 908 performSeek(positionUs); 909 instantiateDecoder(true /* audio */, &mAudioDecoder); 910 } 911 break; 912 } 913 914 case kWhatMoreDataQueued: 915 { 916 break; 917 } 918 919 case kWhatReset: 920 { 921 ALOGV("kWhatReset"); 922 923 mDeferredActions.push_back( 924 new ShutdownDecoderAction( 925 true /* audio */, true /* video */)); 926 927 mDeferredActions.push_back( 928 new SimpleAction(&NuPlayer::performReset)); 929 930 processDeferredActions(); 931 break; 932 } 933 934 case kWhatSeek: 935 { 936 int64_t seekTimeUs; 937 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 938 939 ALOGV("kWhatSeek seekTimeUs=%lld us", seekTimeUs); 940 941 mDeferredActions.push_back( 942 new SimpleAction(&NuPlayer::performDecoderFlush)); 943 944 mDeferredActions.push_back(new SeekAction(seekTimeUs)); 945 946 processDeferredActions(); 947 break; 948 } 949 950 case kWhatPause: 951 { 952 CHECK(mRenderer != NULL); 953 mSource->pause(); 954 mRenderer->pause(); 955 break; 956 } 957 958 case kWhatResume: 959 { 960 CHECK(mRenderer != NULL); 961 mSource->resume(); 962 mRenderer->resume(); 963 break; 964 } 965 966 case kWhatSourceNotify: 967 { 968 onSourceNotify(msg); 969 break; 970 } 971 972 case kWhatClosedCaptionNotify: 973 { 974 onClosedCaptionNotify(msg); 975 break; 976 } 977 978 default: 979 TRESPASS(); 980 break; 981 } 982} 983 984void NuPlayer::finishFlushIfPossible() { 985 if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED 986 && mFlushingAudio != SHUT_DOWN) { 987 return; 988 } 989 990 if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED 991 && mFlushingVideo != SHUT_DOWN) { 992 return; 993 } 994 995 ALOGV("both audio and video are flushed now."); 996 997 mPendingAudioAccessUnit.clear(); 998 999 if (mTimeDiscontinuityPending) { 1000 mRenderer->signalTimeDiscontinuity(); 1001 mTimeDiscontinuityPending = false; 1002 } 1003 1004 if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) { 1005 mAudioDecoder->signalResume(); 1006 } 1007 1008 if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) { 1009 mVideoDecoder->signalResume(); 1010 } 1011 1012 mFlushingAudio = NONE; 1013 mFlushingVideo = NONE; 1014 1015 processDeferredActions(); 1016} 1017 1018void NuPlayer::postScanSources() { 1019 if (mScanSourcesPending) { 1020 return; 1021 } 1022 1023 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 1024 msg->setInt32("generation", mScanSourcesGeneration); 1025 msg->post(); 1026 1027 mScanSourcesPending = true; 1028} 1029 1030void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) { 1031 ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)", 1032 offloadOnly, mOffloadAudio); 1033 bool audioSinkChanged = false; 1034 1035 int32_t numChannels; 1036 CHECK(format->findInt32("channel-count", &numChannels)); 1037 1038 int32_t channelMask; 1039 if (!format->findInt32("channel-mask", &channelMask)) { 1040 // signal to the AudioSink to derive the mask from count. 1041 channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; 1042 } 1043 1044 int32_t sampleRate; 1045 CHECK(format->findInt32("sample-rate", &sampleRate)); 1046 1047 uint32_t flags; 1048 int64_t durationUs; 1049 // FIXME: we should handle the case where the video decoder 1050 // is created after we receive the format change indication. 1051 // Current code will just make that we select deep buffer 1052 // with video which should not be a problem as it should 1053 // not prevent from keeping A/V sync. 1054 if (mVideoDecoder == NULL && 1055 mSource->getDuration(&durationUs) == OK && 1056 durationUs 1057 > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 1058 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1059 } else { 1060 flags = AUDIO_OUTPUT_FLAG_NONE; 1061 } 1062 1063 if (mOffloadAudio) { 1064 audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT; 1065 AString mime; 1066 CHECK(format->findString("mime", &mime)); 1067 status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str()); 1068 1069 if (err != OK) { 1070 ALOGE("Couldn't map mime \"%s\" to a valid " 1071 "audio_format", mime.c_str()); 1072 mOffloadAudio = false; 1073 } else { 1074 ALOGV("Mime \"%s\" mapped to audio_format 0x%x", 1075 mime.c_str(), audioFormat); 1076 1077 int avgBitRate = -1; 1078 format->findInt32("bit-rate", &avgBitRate); 1079 1080 int32_t aacProfile = -1; 1081 if (audioFormat == AUDIO_FORMAT_AAC 1082 && format->findInt32("aac-profile", &aacProfile)) { 1083 // Redefine AAC format as per aac profile 1084 mapAACProfileToAudioFormat( 1085 audioFormat, 1086 aacProfile); 1087 } 1088 1089 audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER; 1090 offloadInfo.duration_us = -1; 1091 format->findInt64( 1092 "durationUs", &offloadInfo.duration_us); 1093 offloadInfo.sample_rate = sampleRate; 1094 offloadInfo.channel_mask = channelMask; 1095 offloadInfo.format = audioFormat; 1096 offloadInfo.stream_type = AUDIO_STREAM_MUSIC; 1097 offloadInfo.bit_rate = avgBitRate; 1098 offloadInfo.has_video = (mVideoDecoder != NULL); 1099 offloadInfo.is_streaming = true; 1100 1101 if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) { 1102 ALOGV("openAudioSink: no change in offload mode"); 1103 return; // no change from previous configuration, everything ok. 1104 } 1105 ALOGV("openAudioSink: try to open AudioSink in offload mode"); 1106 flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1107 flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1108 audioSinkChanged = true; 1109 mAudioSink->close(); 1110 err = mAudioSink->open( 1111 sampleRate, 1112 numChannels, 1113 (audio_channel_mask_t)channelMask, 1114 audioFormat, 1115 8 /* bufferCount */, 1116 &NuPlayer::Renderer::AudioSinkCallback, 1117 mRenderer.get(), 1118 (audio_output_flags_t)flags, 1119 &offloadInfo); 1120 1121 if (err == OK) { 1122 // If the playback is offloaded to h/w, we pass 1123 // the HAL some metadata information. 1124 // We don't want to do this for PCM because it 1125 // will be going through the AudioFlinger mixer 1126 // before reaching the hardware. 1127 sp<MetaData> audioMeta = 1128 mSource->getFormatMeta(true /* audio */); 1129 sendMetaDataToHal(mAudioSink, audioMeta); 1130 mCurrentOffloadInfo = offloadInfo; 1131 err = mAudioSink->start(); 1132 ALOGV_IF(err == OK, "openAudioSink: offload succeeded"); 1133 } 1134 if (err != OK) { 1135 // Clean up, fall back to non offload mode. 1136 mAudioSink->close(); 1137 mRenderer->signalDisableOffloadAudio(); 1138 mOffloadAudio = false; 1139 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1140 ALOGV("openAudioSink: offload failed"); 1141 } 1142 } 1143 } 1144 if (!offloadOnly && !mOffloadAudio) { 1145 flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1146 ALOGV("openAudioSink: open AudioSink in NON-offload mode"); 1147 1148 audioSinkChanged = true; 1149 mAudioSink->close(); 1150 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1151 CHECK_EQ(mAudioSink->open( 1152 sampleRate, 1153 numChannels, 1154 (audio_channel_mask_t)channelMask, 1155 AUDIO_FORMAT_PCM_16_BIT, 1156 8 /* bufferCount */, 1157 NULL, 1158 NULL, 1159 (audio_output_flags_t)flags), 1160 (status_t)OK); 1161 mAudioSink->start(); 1162 } 1163 if (audioSinkChanged) { 1164 mRenderer->signalAudioSinkChanged(); 1165 } 1166} 1167 1168void NuPlayer::closeAudioSink() { 1169 mAudioSink->close(); 1170 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1171} 1172 1173status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 1174 if (*decoder != NULL) { 1175 return OK; 1176 } 1177 1178 sp<AMessage> format = mSource->getFormat(audio); 1179 1180 if (format == NULL) { 1181 return -EWOULDBLOCK; 1182 } 1183 1184 if (!audio) { 1185 AString mime; 1186 CHECK(format->findString("mime", &mime)); 1187 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 1188 1189 sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id()); 1190 mCCDecoder = new CCDecoder(ccNotify); 1191 1192 if (mSourceFlags & Source::FLAG_SECURE) { 1193 format->setInt32("secure", true); 1194 } 1195 } 1196 1197 if (audio) { 1198 sp<AMessage> notify = new AMessage(kWhatAudioNotify, id()); 1199 ++mAudioDecoderGeneration; 1200 notify->setInt32("generation", mAudioDecoderGeneration); 1201 1202 if (mOffloadAudio) { 1203 *decoder = new DecoderPassThrough(notify); 1204 } else { 1205 *decoder = new Decoder(notify); 1206 } 1207 } else { 1208 sp<AMessage> notify = new AMessage(kWhatVideoNotify, id()); 1209 ++mVideoDecoderGeneration; 1210 notify->setInt32("generation", mVideoDecoderGeneration); 1211 1212 *decoder = new Decoder(notify, mNativeWindow); 1213 } 1214 (*decoder)->init(); 1215 (*decoder)->configure(format); 1216 1217 // allocate buffers to decrypt widevine source buffers 1218 if (!audio && (mSourceFlags & Source::FLAG_SECURE)) { 1219 Vector<sp<ABuffer> > inputBufs; 1220 CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK); 1221 1222 Vector<MediaBuffer *> mediaBufs; 1223 for (size_t i = 0; i < inputBufs.size(); i++) { 1224 const sp<ABuffer> &buffer = inputBufs[i]; 1225 MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size()); 1226 mediaBufs.push(mbuf); 1227 } 1228 1229 status_t err = mSource->setBuffers(audio, mediaBufs); 1230 if (err != OK) { 1231 for (size_t i = 0; i < mediaBufs.size(); ++i) { 1232 mediaBufs[i]->release(); 1233 } 1234 mediaBufs.clear(); 1235 ALOGE("Secure source didn't support secure mediaBufs."); 1236 return err; 1237 } 1238 } 1239 return OK; 1240} 1241 1242status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 1243 sp<AMessage> reply; 1244 CHECK(msg->findMessage("reply", &reply)); 1245 1246 if ((audio && mFlushingAudio != NONE) 1247 || (!audio && mFlushingVideo != NONE) 1248 || mSource == NULL) { 1249 reply->setInt32("err", INFO_DISCONTINUITY); 1250 reply->post(); 1251 return OK; 1252 } 1253 1254 sp<ABuffer> accessUnit; 1255 1256 // Aggregate smaller buffers into a larger buffer. 1257 // The goal is to reduce power consumption. 1258 // Unfortunately this does not work with the software AAC decoder. 1259 // TODO optimize buffer size for power consumption 1260 // The offload read buffer size is 32 KB but 24 KB uses less power. 1261 const int kAudioBigBufferSizeBytes = 24 * 1024; 1262 bool doBufferAggregation = (audio && mOffloadAudio); 1263 sp<ABuffer> biggerBuffer; 1264 bool needMoreData = false; 1265 int numSmallBuffers = 0; 1266 bool gotTime = false; 1267 1268 bool dropAccessUnit; 1269 do { 1270 status_t err; 1271 // Did we save an accessUnit earlier because of a discontinuity? 1272 if (audio && (mPendingAudioAccessUnit != NULL)) { 1273 accessUnit = mPendingAudioAccessUnit; 1274 mPendingAudioAccessUnit.clear(); 1275 err = mPendingAudioErr; 1276 ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit"); 1277 } else { 1278 err = mSource->dequeueAccessUnit(audio, &accessUnit); 1279 } 1280 1281 if (err == -EWOULDBLOCK) { 1282 if (biggerBuffer == NULL) { 1283 return err; 1284 } else { 1285 break; // Reply with data that we already have. 1286 } 1287 } else if (err != OK) { 1288 if (err == INFO_DISCONTINUITY) { 1289 if (biggerBuffer != NULL) { 1290 // We already have some data so save this for later. 1291 mPendingAudioErr = err; 1292 mPendingAudioAccessUnit = accessUnit; 1293 accessUnit.clear(); 1294 ALOGD("feedDecoderInputData() save discontinuity for later"); 1295 break; 1296 } 1297 int32_t type; 1298 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 1299 1300 bool formatChange = 1301 (audio && 1302 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 1303 || (!audio && 1304 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 1305 1306 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 1307 1308 ALOGI("%s discontinuity (formatChange=%d, time=%d)", 1309 audio ? "audio" : "video", formatChange, timeChange); 1310 1311 if (audio) { 1312 mSkipRenderingAudioUntilMediaTimeUs = -1; 1313 } else { 1314 mSkipRenderingVideoUntilMediaTimeUs = -1; 1315 } 1316 1317 if (timeChange) { 1318 sp<AMessage> extra; 1319 if (accessUnit->meta()->findMessage("extra", &extra) 1320 && extra != NULL) { 1321 int64_t resumeAtMediaTimeUs; 1322 if (extra->findInt64( 1323 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 1324 ALOGI("suppressing rendering of %s until %lld us", 1325 audio ? "audio" : "video", resumeAtMediaTimeUs); 1326 1327 if (audio) { 1328 mSkipRenderingAudioUntilMediaTimeUs = 1329 resumeAtMediaTimeUs; 1330 } else { 1331 mSkipRenderingVideoUntilMediaTimeUs = 1332 resumeAtMediaTimeUs; 1333 } 1334 } 1335 } 1336 } 1337 1338 mTimeDiscontinuityPending = 1339 mTimeDiscontinuityPending || timeChange; 1340 1341 bool seamlessFormatChange = false; 1342 sp<AMessage> newFormat = mSource->getFormat(audio); 1343 if (formatChange) { 1344 seamlessFormatChange = 1345 getDecoder(audio)->supportsSeamlessFormatChange(newFormat); 1346 // treat seamless format change separately 1347 formatChange = !seamlessFormatChange; 1348 } 1349 bool shutdownOrFlush = formatChange || timeChange; 1350 1351 // We want to queue up scan-sources only once per discontinuity. 1352 // We control this by doing it only if neither audio nor video are 1353 // flushing or shutting down. (After handling 1st discontinuity, one 1354 // of the flushing states will not be NONE.) 1355 // No need to scan sources if this discontinuity does not result 1356 // in a flush or shutdown, as the flushing state will stay NONE. 1357 if (mFlushingAudio == NONE && mFlushingVideo == NONE && 1358 shutdownOrFlush) { 1359 // And we'll resume scanning sources once we're done 1360 // flushing. 1361 mDeferredActions.push_front( 1362 new SimpleAction( 1363 &NuPlayer::performScanSources)); 1364 } 1365 1366 if (formatChange /* not seamless */) { 1367 // must change decoder 1368 flushDecoder(audio, /* needShutdown = */ true); 1369 } else if (timeChange) { 1370 // need to flush 1371 flushDecoder(audio, /* needShutdown = */ false, newFormat); 1372 err = OK; 1373 } else if (seamlessFormatChange) { 1374 // reuse existing decoder and don't flush 1375 updateDecoderFormatWithoutFlush(audio, newFormat); 1376 err = OK; 1377 } else { 1378 // This stream is unaffected by the discontinuity 1379 return -EWOULDBLOCK; 1380 } 1381 } 1382 1383 reply->setInt32("err", err); 1384 reply->post(); 1385 return OK; 1386 } 1387 1388 if (!audio) { 1389 ++mNumFramesTotal; 1390 } 1391 1392 dropAccessUnit = false; 1393 if (!audio 1394 && !(mSourceFlags & Source::FLAG_SECURE) 1395 && mVideoLateByUs > 100000ll 1396 && mVideoIsAVC 1397 && !IsAVCReferenceFrame(accessUnit)) { 1398 dropAccessUnit = true; 1399 ++mNumFramesDropped; 1400 } 1401 1402 size_t smallSize = accessUnit->size(); 1403 needMoreData = false; 1404 if (doBufferAggregation && (biggerBuffer == NULL) 1405 // Don't bother if only room for a few small buffers. 1406 && (smallSize < (kAudioBigBufferSizeBytes / 3))) { 1407 // Create a larger buffer for combining smaller buffers from the extractor. 1408 biggerBuffer = new ABuffer(kAudioBigBufferSizeBytes); 1409 biggerBuffer->setRange(0, 0); // start empty 1410 } 1411 1412 if (biggerBuffer != NULL) { 1413 int64_t timeUs; 1414 bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs); 1415 // Will the smaller buffer fit? 1416 size_t bigSize = biggerBuffer->size(); 1417 size_t roomLeft = biggerBuffer->capacity() - bigSize; 1418 // Should we save this small buffer for the next big buffer? 1419 // If the first small buffer did not have a timestamp then save 1420 // any buffer that does have a timestamp until the next big buffer. 1421 if ((smallSize > roomLeft) 1422 || (!gotTime && (numSmallBuffers > 0) && smallTimestampValid)) { 1423 mPendingAudioErr = err; 1424 mPendingAudioAccessUnit = accessUnit; 1425 accessUnit.clear(); 1426 } else { 1427 // Append small buffer to the bigger buffer. 1428 memcpy(biggerBuffer->base() + bigSize, accessUnit->data(), smallSize); 1429 bigSize += smallSize; 1430 biggerBuffer->setRange(0, bigSize); 1431 1432 // Keep looping until we run out of room in the biggerBuffer. 1433 needMoreData = true; 1434 1435 // Grab time from first small buffer if available. 1436 if ((numSmallBuffers == 0) && smallTimestampValid) { 1437 biggerBuffer->meta()->setInt64("timeUs", timeUs); 1438 gotTime = true; 1439 } 1440 1441 ALOGV("feedDecoderInputData() #%d, smallSize = %zu, bigSize = %zu, capacity = %zu", 1442 numSmallBuffers, smallSize, bigSize, biggerBuffer->capacity()); 1443 numSmallBuffers++; 1444 } 1445 } 1446 } while (dropAccessUnit || needMoreData); 1447 1448 // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 1449 1450#if 0 1451 int64_t mediaTimeUs; 1452 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 1453 ALOGV("feeding %s input buffer at media time %.2f secs", 1454 audio ? "audio" : "video", 1455 mediaTimeUs / 1E6); 1456#endif 1457 1458 if (!audio) { 1459 mCCDecoder->decode(accessUnit); 1460 } 1461 1462 if (biggerBuffer != NULL) { 1463 ALOGV("feedDecoderInputData() reply with aggregated buffer, %d", numSmallBuffers); 1464 reply->setBuffer("buffer", biggerBuffer); 1465 } else { 1466 reply->setBuffer("buffer", accessUnit); 1467 } 1468 1469 reply->post(); 1470 1471 return OK; 1472} 1473 1474void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 1475 // ALOGV("renderBuffer %s", audio ? "audio" : "video"); 1476 1477 sp<AMessage> reply; 1478 CHECK(msg->findMessage("reply", &reply)); 1479 1480 if ((audio && mFlushingAudio != NONE) 1481 || (!audio && mFlushingVideo != NONE)) { 1482 // We're currently attempting to flush the decoder, in order 1483 // to complete this, the decoder wants all its buffers back, 1484 // so we don't want any output buffers it sent us (from before 1485 // we initiated the flush) to be stuck in the renderer's queue. 1486 1487 ALOGV("we're still flushing the %s decoder, sending its output buffer" 1488 " right back.", audio ? "audio" : "video"); 1489 1490 reply->post(); 1491 return; 1492 } 1493 1494 sp<ABuffer> buffer; 1495 CHECK(msg->findBuffer("buffer", &buffer)); 1496 1497 int64_t mediaTimeUs; 1498 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 1499 1500 int64_t &skipUntilMediaTimeUs = 1501 audio 1502 ? mSkipRenderingAudioUntilMediaTimeUs 1503 : mSkipRenderingVideoUntilMediaTimeUs; 1504 1505 if (skipUntilMediaTimeUs >= 0) { 1506 1507 if (mediaTimeUs < skipUntilMediaTimeUs) { 1508 ALOGV("dropping %s buffer at time %lld as requested.", 1509 audio ? "audio" : "video", 1510 mediaTimeUs); 1511 1512 reply->post(); 1513 return; 1514 } 1515 1516 skipUntilMediaTimeUs = -1; 1517 } 1518 1519 if (!audio && mCCDecoder->isSelected()) { 1520 mCCDecoder->display(mediaTimeUs); 1521 } 1522 1523 mRenderer->queueBuffer(audio, buffer, reply); 1524} 1525 1526void NuPlayer::updateVideoSize( 1527 const sp<AMessage> &inputFormat, 1528 const sp<AMessage> &outputFormat) { 1529 if (inputFormat == NULL) { 1530 ALOGW("Unknown video size, reporting 0x0!"); 1531 notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0); 1532 return; 1533 } 1534 1535 int32_t displayWidth, displayHeight; 1536 int32_t cropLeft, cropTop, cropRight, cropBottom; 1537 1538 if (outputFormat != NULL) { 1539 int32_t width, height; 1540 CHECK(outputFormat->findInt32("width", &width)); 1541 CHECK(outputFormat->findInt32("height", &height)); 1542 1543 int32_t cropLeft, cropTop, cropRight, cropBottom; 1544 CHECK(outputFormat->findRect( 1545 "crop", 1546 &cropLeft, &cropTop, &cropRight, &cropBottom)); 1547 1548 displayWidth = cropRight - cropLeft + 1; 1549 displayHeight = cropBottom - cropTop + 1; 1550 1551 ALOGV("Video output format changed to %d x %d " 1552 "(crop: %d x %d @ (%d, %d))", 1553 width, height, 1554 displayWidth, 1555 displayHeight, 1556 cropLeft, cropTop); 1557 } else { 1558 CHECK(inputFormat->findInt32("width", &displayWidth)); 1559 CHECK(inputFormat->findInt32("height", &displayHeight)); 1560 1561 ALOGV("Video input format %d x %d", displayWidth, displayHeight); 1562 } 1563 1564 // Take into account sample aspect ratio if necessary: 1565 int32_t sarWidth, sarHeight; 1566 if (inputFormat->findInt32("sar-width", &sarWidth) 1567 && inputFormat->findInt32("sar-height", &sarHeight)) { 1568 ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight); 1569 1570 displayWidth = (displayWidth * sarWidth) / sarHeight; 1571 1572 ALOGV("display dimensions %d x %d", displayWidth, displayHeight); 1573 } 1574 1575 int32_t rotationDegrees; 1576 if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) { 1577 rotationDegrees = 0; 1578 } 1579 1580 if (rotationDegrees == 90 || rotationDegrees == 270) { 1581 int32_t tmp = displayWidth; 1582 displayWidth = displayHeight; 1583 displayHeight = tmp; 1584 } 1585 1586 notifyListener( 1587 MEDIA_SET_VIDEO_SIZE, 1588 displayWidth, 1589 displayHeight); 1590} 1591 1592void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) { 1593 if (mDriver == NULL) { 1594 return; 1595 } 1596 1597 sp<NuPlayerDriver> driver = mDriver.promote(); 1598 1599 if (driver == NULL) { 1600 return; 1601 } 1602 1603 driver->notifyListener(msg, ext1, ext2, in); 1604} 1605 1606void NuPlayer::flushDecoder( 1607 bool audio, bool needShutdown, const sp<AMessage> &newFormat) { 1608 ALOGV("[%s] flushDecoder needShutdown=%d", 1609 audio ? "audio" : "video", needShutdown); 1610 1611 const sp<Decoder> &decoder = getDecoder(audio); 1612 if (decoder == NULL) { 1613 ALOGI("flushDecoder %s without decoder present", 1614 audio ? "audio" : "video"); 1615 return; 1616 } 1617 1618 // Make sure we don't continue to scan sources until we finish flushing. 1619 ++mScanSourcesGeneration; 1620 mScanSourcesPending = false; 1621 1622 decoder->signalFlush(newFormat); 1623 mRenderer->flush(audio); 1624 1625 FlushStatus newStatus = 1626 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 1627 1628 if (audio) { 1629 ALOGE_IF(mFlushingAudio != NONE, 1630 "audio flushDecoder() is called in state %d", mFlushingAudio); 1631 mFlushingAudio = newStatus; 1632 } else { 1633 ALOGE_IF(mFlushingVideo != NONE, 1634 "video flushDecoder() is called in state %d", mFlushingVideo); 1635 mFlushingVideo = newStatus; 1636 1637 if (mCCDecoder != NULL) { 1638 mCCDecoder->flush(); 1639 } 1640 } 1641} 1642 1643void NuPlayer::updateDecoderFormatWithoutFlush( 1644 bool audio, const sp<AMessage> &format) { 1645 ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video"); 1646 1647 const sp<Decoder> &decoder = getDecoder(audio); 1648 if (decoder == NULL) { 1649 ALOGI("updateDecoderFormatWithoutFlush %s without decoder present", 1650 audio ? "audio" : "video"); 1651 return; 1652 } 1653 1654 decoder->signalUpdateFormat(format); 1655} 1656 1657void NuPlayer::queueDecoderShutdown( 1658 bool audio, bool video, const sp<AMessage> &reply) { 1659 ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video); 1660 1661 mDeferredActions.push_back( 1662 new ShutdownDecoderAction(audio, video)); 1663 1664 mDeferredActions.push_back( 1665 new SimpleAction(&NuPlayer::performScanSources)); 1666 1667 mDeferredActions.push_back(new PostMessageAction(reply)); 1668 1669 processDeferredActions(); 1670} 1671 1672status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1673 mVideoScalingMode = mode; 1674 if (mNativeWindow != NULL) { 1675 status_t ret = native_window_set_scaling_mode( 1676 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1677 if (ret != OK) { 1678 ALOGE("Failed to set scaling mode (%d): %s", 1679 -ret, strerror(-ret)); 1680 return ret; 1681 } 1682 } 1683 return OK; 1684} 1685 1686status_t NuPlayer::getTrackInfo(Parcel* reply) const { 1687 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id()); 1688 msg->setPointer("reply", reply); 1689 1690 sp<AMessage> response; 1691 status_t err = msg->postAndAwaitResponse(&response); 1692 return err; 1693} 1694 1695status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const { 1696 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id()); 1697 msg->setPointer("reply", reply); 1698 msg->setInt32("type", type); 1699 1700 sp<AMessage> response; 1701 status_t err = msg->postAndAwaitResponse(&response); 1702 if (err == OK && response != NULL) { 1703 CHECK(response->findInt32("err", &err)); 1704 } 1705 return err; 1706} 1707 1708status_t NuPlayer::selectTrack(size_t trackIndex, bool select) { 1709 sp<AMessage> msg = new AMessage(kWhatSelectTrack, id()); 1710 msg->setSize("trackIndex", trackIndex); 1711 msg->setInt32("select", select); 1712 1713 sp<AMessage> response; 1714 status_t err = msg->postAndAwaitResponse(&response); 1715 1716 if (err != OK) { 1717 return err; 1718 } 1719 1720 if (!response->findInt32("err", &err)) { 1721 err = OK; 1722 } 1723 1724 return err; 1725} 1726 1727void NuPlayer::schedulePollDuration() { 1728 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1729 msg->setInt32("generation", mPollDurationGeneration); 1730 msg->post(); 1731} 1732 1733void NuPlayer::cancelPollDuration() { 1734 ++mPollDurationGeneration; 1735} 1736 1737void NuPlayer::processDeferredActions() { 1738 while (!mDeferredActions.empty()) { 1739 // We won't execute any deferred actions until we're no longer in 1740 // an intermediate state, i.e. one more more decoders are currently 1741 // flushing or shutting down. 1742 1743 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 1744 // We're currently flushing, postpone the reset until that's 1745 // completed. 1746 1747 ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d", 1748 mFlushingAudio, mFlushingVideo); 1749 1750 break; 1751 } 1752 1753 sp<Action> action = *mDeferredActions.begin(); 1754 mDeferredActions.erase(mDeferredActions.begin()); 1755 1756 action->execute(this); 1757 } 1758} 1759 1760void NuPlayer::performSeek(int64_t seekTimeUs) { 1761 ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)", 1762 seekTimeUs, 1763 seekTimeUs / 1E6); 1764 1765 if (mSource == NULL) { 1766 // This happens when reset occurs right before the loop mode 1767 // asynchronously seeks to the start of the stream. 1768 LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL, 1769 "mSource is NULL and decoders not NULL audio(%p) video(%p)", 1770 mAudioDecoder.get(), mVideoDecoder.get()); 1771 return; 1772 } 1773 mSource->seekTo(seekTimeUs); 1774 ++mTimedTextGeneration; 1775 1776 if (mDriver != NULL) { 1777 sp<NuPlayerDriver> driver = mDriver.promote(); 1778 if (driver != NULL) { 1779 driver->notifyPosition(seekTimeUs); 1780 driver->notifySeekComplete(); 1781 } 1782 } 1783 1784 // everything's flushed, continue playback. 1785} 1786 1787void NuPlayer::performDecoderFlush() { 1788 ALOGV("performDecoderFlush"); 1789 1790 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 1791 return; 1792 } 1793 1794 mTimeDiscontinuityPending = true; 1795 1796 if (mAudioDecoder != NULL) { 1797 flushDecoder(true /* audio */, false /* needShutdown */); 1798 } 1799 1800 if (mVideoDecoder != NULL) { 1801 flushDecoder(false /* audio */, false /* needShutdown */); 1802 } 1803} 1804 1805void NuPlayer::performDecoderShutdown(bool audio, bool video) { 1806 ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video); 1807 1808 if ((!audio || mAudioDecoder == NULL) 1809 && (!video || mVideoDecoder == NULL)) { 1810 return; 1811 } 1812 1813 mTimeDiscontinuityPending = true; 1814 1815 if (audio && mAudioDecoder != NULL) { 1816 flushDecoder(true /* audio */, true /* needShutdown */); 1817 } 1818 1819 if (video && mVideoDecoder != NULL) { 1820 flushDecoder(false /* audio */, true /* needShutdown */); 1821 } 1822} 1823 1824void NuPlayer::performReset() { 1825 ALOGV("performReset"); 1826 1827 CHECK(mAudioDecoder == NULL); 1828 CHECK(mVideoDecoder == NULL); 1829 1830 cancelPollDuration(); 1831 1832 ++mScanSourcesGeneration; 1833 mScanSourcesPending = false; 1834 1835 if (mRendererLooper != NULL) { 1836 if (mRenderer != NULL) { 1837 mRendererLooper->unregisterHandler(mRenderer->id()); 1838 } 1839 mRendererLooper->stop(); 1840 mRendererLooper.clear(); 1841 } 1842 mRenderer.clear(); 1843 1844 if (mSource != NULL) { 1845 mSource->stop(); 1846 1847 mSource.clear(); 1848 } 1849 1850 if (mDriver != NULL) { 1851 sp<NuPlayerDriver> driver = mDriver.promote(); 1852 if (driver != NULL) { 1853 driver->notifyResetComplete(); 1854 } 1855 } 1856 1857 mStarted = false; 1858} 1859 1860void NuPlayer::performScanSources() { 1861 ALOGV("performScanSources"); 1862 1863 if (!mStarted) { 1864 return; 1865 } 1866 1867 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 1868 postScanSources(); 1869 } 1870} 1871 1872void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) { 1873 ALOGV("performSetSurface"); 1874 1875 mNativeWindow = wrapper; 1876 1877 // XXX - ignore error from setVideoScalingMode for now 1878 setVideoScalingMode(mVideoScalingMode); 1879 1880 if (mDriver != NULL) { 1881 sp<NuPlayerDriver> driver = mDriver.promote(); 1882 if (driver != NULL) { 1883 driver->notifySetSurfaceComplete(); 1884 } 1885 } 1886} 1887 1888void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { 1889 int32_t what; 1890 CHECK(msg->findInt32("what", &what)); 1891 1892 switch (what) { 1893 case Source::kWhatPrepared: 1894 { 1895 if (mSource == NULL) { 1896 // This is a stale notification from a source that was 1897 // asynchronously preparing when the client called reset(). 1898 // We handled the reset, the source is gone. 1899 break; 1900 } 1901 1902 int32_t err; 1903 CHECK(msg->findInt32("err", &err)); 1904 1905 sp<NuPlayerDriver> driver = mDriver.promote(); 1906 if (driver != NULL) { 1907 // notify duration first, so that it's definitely set when 1908 // the app received the "prepare complete" callback. 1909 int64_t durationUs; 1910 if (mSource->getDuration(&durationUs) == OK) { 1911 driver->notifyDuration(durationUs); 1912 } 1913 driver->notifyPrepareCompleted(err); 1914 } 1915 1916 break; 1917 } 1918 1919 case Source::kWhatFlagsChanged: 1920 { 1921 uint32_t flags; 1922 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1923 1924 sp<NuPlayerDriver> driver = mDriver.promote(); 1925 if (driver != NULL) { 1926 driver->notifyFlagsChanged(flags); 1927 } 1928 1929 if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1930 && (!(flags & Source::FLAG_DYNAMIC_DURATION))) { 1931 cancelPollDuration(); 1932 } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1933 && (flags & Source::FLAG_DYNAMIC_DURATION) 1934 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 1935 schedulePollDuration(); 1936 } 1937 1938 mSourceFlags = flags; 1939 break; 1940 } 1941 1942 case Source::kWhatVideoSizeChanged: 1943 { 1944 sp<AMessage> format; 1945 CHECK(msg->findMessage("format", &format)); 1946 1947 updateVideoSize(format); 1948 break; 1949 } 1950 1951 case Source::kWhatBufferingUpdate: 1952 { 1953 int32_t percentage; 1954 CHECK(msg->findInt32("percentage", &percentage)); 1955 1956 notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0); 1957 break; 1958 } 1959 1960 case Source::kWhatBufferingStart: 1961 { 1962 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0); 1963 break; 1964 } 1965 1966 case Source::kWhatBufferingEnd: 1967 { 1968 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0); 1969 break; 1970 } 1971 1972 case Source::kWhatSubtitleData: 1973 { 1974 sp<ABuffer> buffer; 1975 CHECK(msg->findBuffer("buffer", &buffer)); 1976 1977 sendSubtitleData(buffer, 0 /* baseIndex */); 1978 break; 1979 } 1980 1981 case Source::kWhatTimedTextData: 1982 { 1983 int32_t generation; 1984 if (msg->findInt32("generation", &generation) 1985 && generation != mTimedTextGeneration) { 1986 break; 1987 } 1988 1989 sp<ABuffer> buffer; 1990 CHECK(msg->findBuffer("buffer", &buffer)); 1991 1992 sp<NuPlayerDriver> driver = mDriver.promote(); 1993 if (driver == NULL) { 1994 break; 1995 } 1996 1997 int posMs; 1998 int64_t timeUs, posUs; 1999 driver->getCurrentPosition(&posMs); 2000 posUs = posMs * 1000; 2001 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2002 2003 if (posUs < timeUs) { 2004 if (!msg->findInt32("generation", &generation)) { 2005 msg->setInt32("generation", mTimedTextGeneration); 2006 } 2007 msg->post(timeUs - posUs); 2008 } else { 2009 sendTimedTextData(buffer); 2010 } 2011 break; 2012 } 2013 2014 case Source::kWhatQueueDecoderShutdown: 2015 { 2016 int32_t audio, video; 2017 CHECK(msg->findInt32("audio", &audio)); 2018 CHECK(msg->findInt32("video", &video)); 2019 2020 sp<AMessage> reply; 2021 CHECK(msg->findMessage("reply", &reply)); 2022 2023 queueDecoderShutdown(audio, video, reply); 2024 break; 2025 } 2026 2027 case Source::kWhatDrmNoLicense: 2028 { 2029 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE); 2030 break; 2031 } 2032 2033 default: 2034 TRESPASS(); 2035 } 2036} 2037 2038void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) { 2039 int32_t what; 2040 CHECK(msg->findInt32("what", &what)); 2041 2042 switch (what) { 2043 case NuPlayer::CCDecoder::kWhatClosedCaptionData: 2044 { 2045 sp<ABuffer> buffer; 2046 CHECK(msg->findBuffer("buffer", &buffer)); 2047 2048 size_t inbandTracks = 0; 2049 if (mSource != NULL) { 2050 inbandTracks = mSource->getTrackCount(); 2051 } 2052 2053 sendSubtitleData(buffer, inbandTracks); 2054 break; 2055 } 2056 2057 case NuPlayer::CCDecoder::kWhatTrackAdded: 2058 { 2059 notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); 2060 2061 break; 2062 } 2063 2064 default: 2065 TRESPASS(); 2066 } 2067 2068 2069} 2070 2071void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { 2072 int32_t trackIndex; 2073 int64_t timeUs, durationUs; 2074 CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex)); 2075 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2076 CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); 2077 2078 Parcel in; 2079 in.writeInt32(trackIndex + baseIndex); 2080 in.writeInt64(timeUs); 2081 in.writeInt64(durationUs); 2082 in.writeInt32(buffer->size()); 2083 in.writeInt32(buffer->size()); 2084 in.write(buffer->data(), buffer->size()); 2085 2086 notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); 2087} 2088 2089void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { 2090 const void *data; 2091 size_t size = 0; 2092 int64_t timeUs; 2093 int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS; 2094 2095 AString mime; 2096 CHECK(buffer->meta()->findString("mime", &mime)); 2097 CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0); 2098 2099 data = buffer->data(); 2100 size = buffer->size(); 2101 2102 Parcel parcel; 2103 if (size > 0) { 2104 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2105 flag |= TextDescriptions::IN_BAND_TEXT_3GPP; 2106 TextDescriptions::getParcelOfDescriptions( 2107 (const uint8_t *)data, size, flag, timeUs / 1000, &parcel); 2108 } 2109 2110 if ((parcel.dataSize() > 0)) { 2111 notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel); 2112 } else { // send an empty timed text 2113 notifyListener(MEDIA_TIMED_TEXT, 0, 0); 2114 } 2115} 2116//////////////////////////////////////////////////////////////////////////////// 2117 2118sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 2119 sp<MetaData> meta = getFormatMeta(audio); 2120 2121 if (meta == NULL) { 2122 return NULL; 2123 } 2124 2125 sp<AMessage> msg = new AMessage; 2126 2127 if(convertMetaDataToMessage(meta, &msg) == OK) { 2128 return msg; 2129 } 2130 return NULL; 2131} 2132 2133void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) { 2134 sp<AMessage> notify = dupNotify(); 2135 notify->setInt32("what", kWhatFlagsChanged); 2136 notify->setInt32("flags", flags); 2137 notify->post(); 2138} 2139 2140void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) { 2141 sp<AMessage> notify = dupNotify(); 2142 notify->setInt32("what", kWhatVideoSizeChanged); 2143 notify->setMessage("format", format); 2144 notify->post(); 2145} 2146 2147void NuPlayer::Source::notifyPrepared(status_t err) { 2148 sp<AMessage> notify = dupNotify(); 2149 notify->setInt32("what", kWhatPrepared); 2150 notify->setInt32("err", err); 2151 notify->post(); 2152} 2153 2154void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) { 2155 TRESPASS(); 2156} 2157 2158} // namespace android 2159