NuPlayer.cpp revision af1a4dc989d6707116eaefab300ad55124aace66
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 53// TODO optimize buffer size for power consumption 54// The offload read buffer size is 32 KB but 24 KB uses less power. 55const size_t NuPlayer::kAggregateBufferSizeBytes = 24 * 1024; 56 57struct NuPlayer::Action : public RefBase { 58 Action() {} 59 60 virtual void execute(NuPlayer *player) = 0; 61 62private: 63 DISALLOW_EVIL_CONSTRUCTORS(Action); 64}; 65 66struct NuPlayer::SeekAction : public Action { 67 SeekAction(int64_t seekTimeUs, bool needNotify) 68 : mSeekTimeUs(seekTimeUs), 69 mNeedNotify(needNotify) { 70 } 71 72 virtual void execute(NuPlayer *player) { 73 player->performSeek(mSeekTimeUs, mNeedNotify); 74 } 75 76private: 77 int64_t mSeekTimeUs; 78 bool mNeedNotify; 79 80 DISALLOW_EVIL_CONSTRUCTORS(SeekAction); 81}; 82 83struct NuPlayer::SetSurfaceAction : public Action { 84 SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper) 85 : mWrapper(wrapper) { 86 } 87 88 virtual void execute(NuPlayer *player) { 89 player->performSetSurface(mWrapper); 90 } 91 92private: 93 sp<NativeWindowWrapper> mWrapper; 94 95 DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction); 96}; 97 98struct NuPlayer::ShutdownDecoderAction : public Action { 99 ShutdownDecoderAction(bool audio, bool video) 100 : mAudio(audio), 101 mVideo(video) { 102 } 103 104 virtual void execute(NuPlayer *player) { 105 player->performDecoderShutdown(mAudio, mVideo); 106 } 107 108private: 109 bool mAudio; 110 bool mVideo; 111 112 DISALLOW_EVIL_CONSTRUCTORS(ShutdownDecoderAction); 113}; 114 115struct NuPlayer::PostMessageAction : public Action { 116 PostMessageAction(const sp<AMessage> &msg) 117 : mMessage(msg) { 118 } 119 120 virtual void execute(NuPlayer *) { 121 mMessage->post(); 122 } 123 124private: 125 sp<AMessage> mMessage; 126 127 DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction); 128}; 129 130// Use this if there's no state necessary to save in order to execute 131// the action. 132struct NuPlayer::SimpleAction : public Action { 133 typedef void (NuPlayer::*ActionFunc)(); 134 135 SimpleAction(ActionFunc func) 136 : mFunc(func) { 137 } 138 139 virtual void execute(NuPlayer *player) { 140 (player->*mFunc)(); 141 } 142 143private: 144 ActionFunc mFunc; 145 146 DISALLOW_EVIL_CONSTRUCTORS(SimpleAction); 147}; 148 149//////////////////////////////////////////////////////////////////////////////// 150 151NuPlayer::NuPlayer() 152 : mUIDValid(false), 153 mSourceFlags(0), 154 mCurrentPositionUs(0), 155 mVideoIsAVC(false), 156 mOffloadAudio(false), 157 mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER), 158 mAudioDecoderGeneration(0), 159 mVideoDecoderGeneration(0), 160 mRendererGeneration(0), 161 mAudioEOS(false), 162 mVideoEOS(false), 163 mScanSourcesPending(false), 164 mScanSourcesGeneration(0), 165 mPollDurationGeneration(0), 166 mTimedTextGeneration(0), 167 mTimeDiscontinuityPending(false), 168 mFlushingAudio(NONE), 169 mFlushingVideo(NONE), 170 mSkipRenderingAudioUntilMediaTimeUs(-1ll), 171 mSkipRenderingVideoUntilMediaTimeUs(-1ll), 172 mVideoLateByUs(0ll), 173 mNumFramesTotal(0ll), 174 mNumFramesDropped(0ll), 175 mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW), 176 mStarted(false) { 177} 178 179NuPlayer::~NuPlayer() { 180} 181 182void NuPlayer::setUID(uid_t uid) { 183 mUIDValid = true; 184 mUID = uid; 185} 186 187void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 188 mDriver = driver; 189} 190 191void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) { 192 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 193 194 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 195 196 msg->setObject("source", new StreamingSource(notify, source)); 197 msg->post(); 198} 199 200static bool IsHTTPLiveURL(const char *url) { 201 if (!strncasecmp("http://", url, 7) 202 || !strncasecmp("https://", url, 8) 203 || !strncasecmp("file://", url, 7)) { 204 size_t len = strlen(url); 205 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 206 return true; 207 } 208 209 if (strstr(url,"m3u8")) { 210 return true; 211 } 212 } 213 214 return false; 215} 216 217void NuPlayer::setDataSourceAsync( 218 const sp<IMediaHTTPService> &httpService, 219 const char *url, 220 const KeyedVector<String8, String8> *headers) { 221 222 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 223 size_t len = strlen(url); 224 225 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 226 227 sp<Source> source; 228 if (IsHTTPLiveURL(url)) { 229 source = new HTTPLiveSource(notify, httpService, url, headers); 230 } else if (!strncasecmp(url, "rtsp://", 7)) { 231 source = new RTSPSource( 232 notify, httpService, url, headers, mUIDValid, mUID); 233 } else if ((!strncasecmp(url, "http://", 7) 234 || !strncasecmp(url, "https://", 8)) 235 && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) 236 || strstr(url, ".sdp?"))) { 237 source = new RTSPSource( 238 notify, httpService, url, headers, mUIDValid, mUID, true); 239 } else { 240 sp<GenericSource> genericSource = 241 new GenericSource(notify, mUIDValid, mUID); 242 // Don't set FLAG_SECURE on mSourceFlags here for widevine. 243 // The correct flags will be updated in Source::kWhatFlagsChanged 244 // handler when GenericSource is prepared. 245 246 status_t err = genericSource->setDataSource(httpService, url, headers); 247 248 if (err == OK) { 249 source = genericSource; 250 } else { 251 ALOGE("Failed to set data source!"); 252 } 253 } 254 msg->setObject("source", source); 255 msg->post(); 256} 257 258void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) { 259 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 260 261 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 262 263 sp<GenericSource> source = 264 new GenericSource(notify, mUIDValid, mUID); 265 266 status_t err = source->setDataSource(fd, offset, length); 267 268 if (err != OK) { 269 ALOGE("Failed to set data source!"); 270 source = NULL; 271 } 272 273 msg->setObject("source", source); 274 msg->post(); 275} 276 277void NuPlayer::prepareAsync() { 278 (new AMessage(kWhatPrepare, id()))->post(); 279} 280 281void NuPlayer::setVideoSurfaceTextureAsync( 282 const sp<IGraphicBufferProducer> &bufferProducer) { 283 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 284 285 if (bufferProducer == NULL) { 286 msg->setObject("native-window", NULL); 287 } else { 288 msg->setObject( 289 "native-window", 290 new NativeWindowWrapper( 291 new Surface(bufferProducer, true /* controlledByApp */))); 292 } 293 294 msg->post(); 295} 296 297void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 298 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 299 msg->setObject("sink", sink); 300 msg->post(); 301} 302 303void NuPlayer::start() { 304 (new AMessage(kWhatStart, id()))->post(); 305} 306 307void NuPlayer::pause() { 308 (new AMessage(kWhatPause, id()))->post(); 309} 310 311void NuPlayer::resume() { 312 (new AMessage(kWhatResume, id()))->post(); 313} 314 315void NuPlayer::resetAsync() { 316 if (mSource != NULL) { 317 // During a reset, the data source might be unresponsive already, we need to 318 // disconnect explicitly so that reads exit promptly. 319 // We can't queue the disconnect request to the looper, as it might be 320 // queued behind a stuck read and never gets processed. 321 // Doing a disconnect outside the looper to allows the pending reads to exit 322 // (either successfully or with error). 323 mSource->disconnect(); 324 } 325 326 (new AMessage(kWhatReset, id()))->post(); 327} 328 329void NuPlayer::seekToAsync(int64_t seekTimeUs, bool needNotify) { 330 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 331 msg->setInt64("seekTimeUs", seekTimeUs); 332 msg->setInt32("needNotify", needNotify); 333 msg->post(); 334} 335 336// static 337bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { 338 switch (state) { 339 case FLUSHING_DECODER: 340 if (needShutdown != NULL) { 341 *needShutdown = false; 342 } 343 return true; 344 345 case FLUSHING_DECODER_SHUTDOWN: 346 if (needShutdown != NULL) { 347 *needShutdown = true; 348 } 349 return true; 350 351 default: 352 return false; 353 } 354} 355 356void NuPlayer::writeTrackInfo( 357 Parcel* reply, const sp<AMessage> format) const { 358 int32_t trackType; 359 CHECK(format->findInt32("type", &trackType)); 360 361 AString lang; 362 CHECK(format->findString("language", &lang)); 363 364 reply->writeInt32(2); // write something non-zero 365 reply->writeInt32(trackType); 366 reply->writeString16(String16(lang.c_str())); 367 368 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) { 369 AString mime; 370 CHECK(format->findString("mime", &mime)); 371 372 int32_t isAuto, isDefault, isForced; 373 CHECK(format->findInt32("auto", &isAuto)); 374 CHECK(format->findInt32("default", &isDefault)); 375 CHECK(format->findInt32("forced", &isForced)); 376 377 reply->writeString16(String16(mime.c_str())); 378 reply->writeInt32(isAuto); 379 reply->writeInt32(isDefault); 380 reply->writeInt32(isForced); 381 } 382} 383 384void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 385 switch (msg->what()) { 386 case kWhatSetDataSource: 387 { 388 ALOGV("kWhatSetDataSource"); 389 390 CHECK(mSource == NULL); 391 392 status_t err = OK; 393 sp<RefBase> obj; 394 CHECK(msg->findObject("source", &obj)); 395 if (obj != NULL) { 396 mSource = static_cast<Source *>(obj.get()); 397 } else { 398 err = UNKNOWN_ERROR; 399 } 400 401 CHECK(mDriver != NULL); 402 sp<NuPlayerDriver> driver = mDriver.promote(); 403 if (driver != NULL) { 404 driver->notifySetDataSourceCompleted(err); 405 } 406 break; 407 } 408 409 case kWhatPrepare: 410 { 411 mSource->prepareAsync(); 412 break; 413 } 414 415 case kWhatGetTrackInfo: 416 { 417 uint32_t replyID; 418 CHECK(msg->senderAwaitsResponse(&replyID)); 419 420 Parcel* reply; 421 CHECK(msg->findPointer("reply", (void**)&reply)); 422 423 size_t inbandTracks = 0; 424 if (mSource != NULL) { 425 inbandTracks = mSource->getTrackCount(); 426 } 427 428 size_t ccTracks = 0; 429 if (mCCDecoder != NULL) { 430 ccTracks = mCCDecoder->getTrackCount(); 431 } 432 433 // total track count 434 reply->writeInt32(inbandTracks + ccTracks); 435 436 // write inband tracks 437 for (size_t i = 0; i < inbandTracks; ++i) { 438 writeTrackInfo(reply, mSource->getTrackInfo(i)); 439 } 440 441 // write CC track 442 for (size_t i = 0; i < ccTracks; ++i) { 443 writeTrackInfo(reply, mCCDecoder->getTrackInfo(i)); 444 } 445 446 sp<AMessage> response = new AMessage; 447 response->postReply(replyID); 448 break; 449 } 450 451 case kWhatGetSelectedTrack: 452 { 453 status_t err = INVALID_OPERATION; 454 if (mSource != NULL) { 455 err = OK; 456 457 int32_t type32; 458 CHECK(msg->findInt32("type", (int32_t*)&type32)); 459 media_track_type type = (media_track_type)type32; 460 ssize_t selectedTrack = mSource->getSelectedTrack(type); 461 462 Parcel* reply; 463 CHECK(msg->findPointer("reply", (void**)&reply)); 464 reply->writeInt32(selectedTrack); 465 } 466 467 sp<AMessage> response = new AMessage; 468 response->setInt32("err", err); 469 470 uint32_t replyID; 471 CHECK(msg->senderAwaitsResponse(&replyID)); 472 response->postReply(replyID); 473 break; 474 } 475 476 case kWhatSelectTrack: 477 { 478 uint32_t replyID; 479 CHECK(msg->senderAwaitsResponse(&replyID)); 480 481 size_t trackIndex; 482 int32_t select; 483 CHECK(msg->findSize("trackIndex", &trackIndex)); 484 CHECK(msg->findInt32("select", &select)); 485 486 status_t err = INVALID_OPERATION; 487 488 size_t inbandTracks = 0; 489 if (mSource != NULL) { 490 inbandTracks = mSource->getTrackCount(); 491 } 492 size_t ccTracks = 0; 493 if (mCCDecoder != NULL) { 494 ccTracks = mCCDecoder->getTrackCount(); 495 } 496 497 if (trackIndex < inbandTracks) { 498 err = mSource->selectTrack(trackIndex, select); 499 500 if (!select && err == OK) { 501 int32_t type; 502 sp<AMessage> info = mSource->getTrackInfo(trackIndex); 503 if (info != NULL 504 && info->findInt32("type", &type) 505 && type == MEDIA_TRACK_TYPE_TIMEDTEXT) { 506 ++mTimedTextGeneration; 507 } 508 } 509 } else { 510 trackIndex -= inbandTracks; 511 512 if (trackIndex < ccTracks) { 513 err = mCCDecoder->selectTrack(trackIndex, select); 514 } 515 } 516 517 sp<AMessage> response = new AMessage; 518 response->setInt32("err", err); 519 520 response->postReply(replyID); 521 break; 522 } 523 524 case kWhatPollDuration: 525 { 526 int32_t generation; 527 CHECK(msg->findInt32("generation", &generation)); 528 529 if (generation != mPollDurationGeneration) { 530 // stale 531 break; 532 } 533 534 int64_t durationUs; 535 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 536 sp<NuPlayerDriver> driver = mDriver.promote(); 537 if (driver != NULL) { 538 driver->notifyDuration(durationUs); 539 } 540 } 541 542 msg->post(1000000ll); // poll again in a second. 543 break; 544 } 545 546 case kWhatSetVideoNativeWindow: 547 { 548 ALOGV("kWhatSetVideoNativeWindow"); 549 550 mDeferredActions.push_back( 551 new ShutdownDecoderAction( 552 false /* audio */, true /* video */)); 553 554 sp<RefBase> obj; 555 CHECK(msg->findObject("native-window", &obj)); 556 557 mDeferredActions.push_back( 558 new SetSurfaceAction( 559 static_cast<NativeWindowWrapper *>(obj.get()))); 560 561 if (obj != NULL) { 562 if (mStarted && mSource->getFormat(false /* audio */) != NULL) { 563 // Issue a seek to refresh the video screen only if started otherwise 564 // the extractor may not yet be started and will assert. 565 // If the video decoder is not set (perhaps audio only in this case) 566 // do not perform a seek as it is not needed. 567 mDeferredActions.push_back( 568 new SeekAction(mCurrentPositionUs, false /* needNotify */)); 569 } 570 571 // If there is a new surface texture, instantiate decoders 572 // again if possible. 573 mDeferredActions.push_back( 574 new SimpleAction(&NuPlayer::performScanSources)); 575 } 576 577 processDeferredActions(); 578 break; 579 } 580 581 case kWhatSetAudioSink: 582 { 583 ALOGV("kWhatSetAudioSink"); 584 585 sp<RefBase> obj; 586 CHECK(msg->findObject("sink", &obj)); 587 588 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 589 break; 590 } 591 592 case kWhatStart: 593 { 594 ALOGV("kWhatStart"); 595 596 mVideoIsAVC = false; 597 mOffloadAudio = false; 598 mAudioEOS = false; 599 mVideoEOS = false; 600 mSkipRenderingAudioUntilMediaTimeUs = -1; 601 mSkipRenderingVideoUntilMediaTimeUs = -1; 602 mVideoLateByUs = 0; 603 mNumFramesTotal = 0; 604 mNumFramesDropped = 0; 605 mStarted = true; 606 607 /* instantiate decoders now for secure playback */ 608 if (mSourceFlags & Source::FLAG_SECURE) { 609 if (mNativeWindow != NULL) { 610 instantiateDecoder(false, &mVideoDecoder); 611 } 612 613 if (mAudioSink != NULL) { 614 instantiateDecoder(true, &mAudioDecoder); 615 } 616 } 617 618 mSource->start(); 619 620 uint32_t flags = 0; 621 622 if (mSource->isRealTime()) { 623 flags |= Renderer::FLAG_REAL_TIME; 624 } 625 626 sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */); 627 audio_stream_type_t streamType = AUDIO_STREAM_MUSIC; 628 if (mAudioSink != NULL) { 629 streamType = mAudioSink->getAudioStreamType(); 630 } 631 632 sp<AMessage> videoFormat = mSource->getFormat(false /* audio */); 633 634 mOffloadAudio = 635 canOffloadStream(audioMeta, (videoFormat != NULL), 636 true /* is_streaming */, streamType); 637 if (mOffloadAudio) { 638 flags |= Renderer::FLAG_OFFLOAD_AUDIO; 639 } 640 641 sp<AMessage> notify = new AMessage(kWhatRendererNotify, id()); 642 ++mRendererGeneration; 643 notify->setInt32("generation", mRendererGeneration); 644 mRenderer = new Renderer(mAudioSink, notify, flags); 645 646 mRendererLooper = new ALooper; 647 mRendererLooper->setName("NuPlayerRenderer"); 648 mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 649 mRendererLooper->registerHandler(mRenderer); 650 651 sp<MetaData> meta = getFileMeta(); 652 int32_t rate; 653 if (meta != NULL 654 && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) { 655 mRenderer->setVideoFrameRate(rate); 656 } 657 658 postScanSources(); 659 break; 660 } 661 662 case kWhatScanSources: 663 { 664 int32_t generation; 665 CHECK(msg->findInt32("generation", &generation)); 666 if (generation != mScanSourcesGeneration) { 667 // Drop obsolete msg. 668 break; 669 } 670 671 mScanSourcesPending = false; 672 673 ALOGV("scanning sources haveAudio=%d, haveVideo=%d", 674 mAudioDecoder != NULL, mVideoDecoder != NULL); 675 676 bool mHadAnySourcesBefore = 677 (mAudioDecoder != NULL) || (mVideoDecoder != NULL); 678 679 // initialize video before audio because successful initialization of 680 // video may change deep buffer mode of audio. 681 if (mNativeWindow != NULL) { 682 instantiateDecoder(false, &mVideoDecoder); 683 } 684 685 if (mAudioSink != NULL) { 686 if (mOffloadAudio) { 687 // open audio sink early under offload mode. 688 sp<AMessage> format = mSource->getFormat(true /*audio*/); 689 openAudioSink(format, true /*offloadOnly*/); 690 } 691 instantiateDecoder(true, &mAudioDecoder); 692 } 693 694 if (!mHadAnySourcesBefore 695 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 696 // This is the first time we've found anything playable. 697 698 if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) { 699 schedulePollDuration(); 700 } 701 } 702 703 status_t err; 704 if ((err = mSource->feedMoreTSData()) != OK) { 705 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 706 // We're not currently decoding anything (no audio or 707 // video tracks found) and we just ran out of input data. 708 709 if (err == ERROR_END_OF_STREAM) { 710 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 711 } else { 712 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 713 } 714 } 715 break; 716 } 717 718 if ((mAudioDecoder == NULL && mAudioSink != NULL) 719 || (mVideoDecoder == NULL && mNativeWindow != NULL)) { 720 msg->post(100000ll); 721 mScanSourcesPending = true; 722 } 723 break; 724 } 725 726 case kWhatVideoNotify: 727 case kWhatAudioNotify: 728 { 729 bool audio = msg->what() == kWhatAudioNotify; 730 731 int32_t currentDecoderGeneration = 732 (audio? mAudioDecoderGeneration : mVideoDecoderGeneration); 733 int32_t requesterGeneration = currentDecoderGeneration - 1; 734 CHECK(msg->findInt32("generation", &requesterGeneration)); 735 736 if (requesterGeneration != currentDecoderGeneration) { 737 ALOGV("got message from old %s decoder, generation(%d:%d)", 738 audio ? "audio" : "video", requesterGeneration, 739 currentDecoderGeneration); 740 sp<AMessage> reply; 741 if (!(msg->findMessage("reply", &reply))) { 742 return; 743 } 744 745 reply->setInt32("err", INFO_DISCONTINUITY); 746 reply->post(); 747 return; 748 } 749 750 int32_t what; 751 CHECK(msg->findInt32("what", &what)); 752 753 if (what == Decoder::kWhatFillThisBuffer) { 754 status_t err = feedDecoderInputData( 755 audio, msg); 756 757 if (err == -EWOULDBLOCK) { 758 if (mSource->feedMoreTSData() == OK) { 759 msg->post(10 * 1000ll); 760 } 761 } 762 } else if (what == Decoder::kWhatEOS) { 763 int32_t err; 764 CHECK(msg->findInt32("err", &err)); 765 766 if (err == ERROR_END_OF_STREAM) { 767 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); 768 } else { 769 ALOGV("got %s decoder EOS w/ error %d", 770 audio ? "audio" : "video", 771 err); 772 } 773 774 mRenderer->queueEOS(audio, err); 775 } else if (what == Decoder::kWhatFlushCompleted) { 776 bool needShutdown; 777 778 if (audio) { 779 CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); 780 mFlushingAudio = FLUSHED; 781 } else { 782 CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); 783 mFlushingVideo = FLUSHED; 784 785 mVideoLateByUs = 0; 786 } 787 788 ALOGV("decoder %s flush completed", audio ? "audio" : "video"); 789 790 if (needShutdown) { 791 ALOGV("initiating %s decoder shutdown", 792 audio ? "audio" : "video"); 793 794 // Widevine source reads must stop before releasing the video decoder. 795 if (!audio && mSource != NULL && mSourceFlags & Source::FLAG_SECURE) { 796 mSource->stop(); 797 } 798 799 getDecoder(audio)->initiateShutdown(); 800 801 if (audio) { 802 mFlushingAudio = SHUTTING_DOWN_DECODER; 803 } else { 804 mFlushingVideo = SHUTTING_DOWN_DECODER; 805 } 806 } 807 808 finishFlushIfPossible(); 809 } else if (what == Decoder::kWhatOutputFormatChanged) { 810 sp<AMessage> format; 811 CHECK(msg->findMessage("format", &format)); 812 813 if (audio) { 814 openAudioSink(format, false /*offloadOnly*/); 815 } else { 816 // video 817 sp<AMessage> inputFormat = 818 mSource->getFormat(false /* audio */); 819 820 updateVideoSize(inputFormat, format); 821 } 822 } else if (what == Decoder::kWhatShutdownCompleted) { 823 ALOGV("%s shutdown completed", audio ? "audio" : "video"); 824 if (audio) { 825 mAudioDecoder.clear(); 826 ++mAudioDecoderGeneration; 827 828 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 829 mFlushingAudio = SHUT_DOWN; 830 } else { 831 mVideoDecoder.clear(); 832 ++mVideoDecoderGeneration; 833 834 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 835 mFlushingVideo = SHUT_DOWN; 836 } 837 838 finishFlushIfPossible(); 839 } else if (what == Decoder::kWhatError) { 840 status_t err; 841 if (!msg->findInt32("err", &err) || err == OK) { 842 err = UNKNOWN_ERROR; 843 } 844 845 // Decoder errors can be due to Source (e.g. from streaming), 846 // or from decoding corrupted bitstreams, or from other decoder 847 // MediaCodec operations (e.g. from an ongoing reset or seek). 848 // 849 // We try to gracefully shut down the affected decoder if possible, 850 // rather than trying to force the shutdown with something 851 // similar to performReset(). This method can lead to a hang 852 // if MediaCodec functions block after an error, but they should 853 // typically return INVALID_OPERATION instead of blocking. 854 855 FlushStatus *flushing = audio ? &mFlushingAudio : &mFlushingVideo; 856 ALOGE("received error(%#x) from %s decoder, flushing(%d), now shutting down", 857 err, audio ? "audio" : "video", *flushing); 858 859 switch (*flushing) { 860 case NONE: 861 mDeferredActions.push_back( 862 new ShutdownDecoderAction(audio, !audio /* video */)); 863 processDeferredActions(); 864 break; 865 case FLUSHING_DECODER: 866 *flushing = FLUSHING_DECODER_SHUTDOWN; // initiate shutdown after flush. 867 break; // Wait for flush to complete. 868 case FLUSHING_DECODER_SHUTDOWN: 869 break; // Wait for flush to complete. 870 case SHUTTING_DOWN_DECODER: 871 break; // Wait for shutdown to complete. 872 case FLUSHED: 873 // Widevine source reads must stop before releasing the video decoder. 874 if (!audio && mSource != NULL && mSourceFlags & Source::FLAG_SECURE) { 875 mSource->stop(); 876 } 877 getDecoder(audio)->initiateShutdown(); // In the middle of a seek. 878 *flushing = SHUTTING_DOWN_DECODER; // Shut down. 879 break; 880 case SHUT_DOWN: 881 finishFlushIfPossible(); // Should not occur. 882 break; // Finish anyways. 883 } 884 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 885 } else if (what == Decoder::kWhatDrainThisBuffer) { 886 renderBuffer(audio, msg); 887 } else { 888 ALOGV("Unhandled decoder notification %d '%c%c%c%c'.", 889 what, 890 what >> 24, 891 (what >> 16) & 0xff, 892 (what >> 8) & 0xff, 893 what & 0xff); 894 } 895 896 break; 897 } 898 899 case kWhatRendererNotify: 900 { 901 int32_t requesterGeneration = mRendererGeneration - 1; 902 CHECK(msg->findInt32("generation", &requesterGeneration)); 903 if (requesterGeneration != mRendererGeneration) { 904 ALOGV("got message from old renderer, generation(%d:%d)", 905 requesterGeneration, mRendererGeneration); 906 return; 907 } 908 909 int32_t what; 910 CHECK(msg->findInt32("what", &what)); 911 912 if (what == Renderer::kWhatEOS) { 913 int32_t audio; 914 CHECK(msg->findInt32("audio", &audio)); 915 916 int32_t finalResult; 917 CHECK(msg->findInt32("finalResult", &finalResult)); 918 919 if (audio) { 920 mAudioEOS = true; 921 } else { 922 mVideoEOS = true; 923 } 924 925 if (finalResult == ERROR_END_OF_STREAM) { 926 ALOGV("reached %s EOS", audio ? "audio" : "video"); 927 } else { 928 ALOGE("%s track encountered an error (%d)", 929 audio ? "audio" : "video", finalResult); 930 931 notifyListener( 932 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 933 } 934 935 if ((mAudioEOS || mAudioDecoder == NULL) 936 && (mVideoEOS || mVideoDecoder == NULL)) { 937 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 938 } 939 } else if (what == Renderer::kWhatPosition) { 940 int64_t positionUs; 941 CHECK(msg->findInt64("positionUs", &positionUs)); 942 mCurrentPositionUs = positionUs; 943 944 CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs)); 945 946 if (mDriver != NULL) { 947 sp<NuPlayerDriver> driver = mDriver.promote(); 948 if (driver != NULL) { 949 driver->notifyPosition(positionUs); 950 951 driver->notifyFrameStats( 952 mNumFramesTotal, mNumFramesDropped); 953 } 954 } 955 } else if (what == Renderer::kWhatFlushComplete) { 956 int32_t audio; 957 CHECK(msg->findInt32("audio", &audio)); 958 959 ALOGV("renderer %s flush completed.", audio ? "audio" : "video"); 960 } else if (what == Renderer::kWhatVideoRenderingStart) { 961 notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0); 962 } else if (what == Renderer::kWhatMediaRenderingStart) { 963 ALOGV("media rendering started"); 964 notifyListener(MEDIA_STARTED, 0, 0); 965 } else if (what == Renderer::kWhatAudioOffloadTearDown) { 966 ALOGV("Tear down audio offload, fall back to s/w path"); 967 int64_t positionUs; 968 CHECK(msg->findInt64("positionUs", &positionUs)); 969 int32_t reason; 970 CHECK(msg->findInt32("reason", &reason)); 971 closeAudioSink(); 972 mAudioDecoder.clear(); 973 ++mAudioDecoderGeneration; 974 mRenderer->flush(true /* audio */); 975 if (mVideoDecoder != NULL) { 976 mRenderer->flush(false /* audio */); 977 } 978 mRenderer->signalDisableOffloadAudio(); 979 mOffloadAudio = false; 980 981 performSeek(positionUs, false /* needNotify */); 982 if (reason == Renderer::kDueToError) { 983 instantiateDecoder(true /* audio */, &mAudioDecoder); 984 } 985 } 986 break; 987 } 988 989 case kWhatMoreDataQueued: 990 { 991 break; 992 } 993 994 case kWhatReset: 995 { 996 ALOGV("kWhatReset"); 997 998 mDeferredActions.push_back( 999 new ShutdownDecoderAction( 1000 true /* audio */, true /* video */)); 1001 1002 mDeferredActions.push_back( 1003 new SimpleAction(&NuPlayer::performReset)); 1004 1005 processDeferredActions(); 1006 break; 1007 } 1008 1009 case kWhatSeek: 1010 { 1011 int64_t seekTimeUs; 1012 int32_t needNotify; 1013 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 1014 CHECK(msg->findInt32("needNotify", &needNotify)); 1015 1016 ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d", 1017 seekTimeUs, needNotify); 1018 1019 mDeferredActions.push_back( 1020 new SimpleAction(&NuPlayer::performDecoderFlush)); 1021 1022 mDeferredActions.push_back( 1023 new SeekAction(seekTimeUs, needNotify)); 1024 1025 processDeferredActions(); 1026 break; 1027 } 1028 1029 case kWhatPause: 1030 { 1031 if (mSource != NULL) { 1032 mSource->pause(); 1033 } else { 1034 ALOGW("pause called when source is gone or not set"); 1035 } 1036 if (mRenderer != NULL) { 1037 mRenderer->pause(); 1038 } else { 1039 ALOGW("pause called when renderer is gone or not set"); 1040 } 1041 break; 1042 } 1043 1044 case kWhatResume: 1045 { 1046 if (mSource != NULL) { 1047 mSource->resume(); 1048 } else { 1049 ALOGW("resume called when source is gone or not set"); 1050 } 1051 // |mAudioDecoder| may have been released due to the pause timeout, so try to re-create 1052 // it if needed. 1053 if (mFlushingAudio != SHUT_DOWN) { 1054 instantiateDecoder(true /* audio */, &mAudioDecoder); 1055 } 1056 if (mRenderer != NULL) { 1057 mRenderer->resume(); 1058 } else { 1059 ALOGW("resume called when renderer is gone or not set"); 1060 } 1061 break; 1062 } 1063 1064 case kWhatSourceNotify: 1065 { 1066 onSourceNotify(msg); 1067 break; 1068 } 1069 1070 case kWhatClosedCaptionNotify: 1071 { 1072 onClosedCaptionNotify(msg); 1073 break; 1074 } 1075 1076 default: 1077 TRESPASS(); 1078 break; 1079 } 1080} 1081 1082void NuPlayer::finishFlushIfPossible() { 1083 if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED 1084 && mFlushingAudio != SHUT_DOWN) { 1085 return; 1086 } 1087 1088 if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED 1089 && mFlushingVideo != SHUT_DOWN) { 1090 return; 1091 } 1092 1093 ALOGV("both audio and video are flushed now."); 1094 1095 mPendingAudioAccessUnit.clear(); 1096 mAggregateBuffer.clear(); 1097 1098 if (mTimeDiscontinuityPending) { 1099 mRenderer->signalTimeDiscontinuity(); 1100 mTimeDiscontinuityPending = false; 1101 } 1102 1103 if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) { 1104 mAudioDecoder->signalResume(); 1105 } 1106 1107 if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) { 1108 mVideoDecoder->signalResume(); 1109 } 1110 1111 mFlushingAudio = NONE; 1112 mFlushingVideo = NONE; 1113 1114 processDeferredActions(); 1115} 1116 1117void NuPlayer::postScanSources() { 1118 if (mScanSourcesPending) { 1119 return; 1120 } 1121 1122 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 1123 msg->setInt32("generation", mScanSourcesGeneration); 1124 msg->post(); 1125 1126 mScanSourcesPending = true; 1127} 1128 1129void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) { 1130 ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)", 1131 offloadOnly, mOffloadAudio); 1132 bool audioSinkChanged = false; 1133 1134 int32_t numChannels; 1135 CHECK(format->findInt32("channel-count", &numChannels)); 1136 1137 int32_t channelMask; 1138 if (!format->findInt32("channel-mask", &channelMask)) { 1139 // signal to the AudioSink to derive the mask from count. 1140 channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; 1141 } 1142 1143 int32_t sampleRate; 1144 CHECK(format->findInt32("sample-rate", &sampleRate)); 1145 1146 uint32_t flags; 1147 int64_t durationUs; 1148 // FIXME: we should handle the case where the video decoder 1149 // is created after we receive the format change indication. 1150 // Current code will just make that we select deep buffer 1151 // with video which should not be a problem as it should 1152 // not prevent from keeping A/V sync. 1153 if (mVideoDecoder == NULL && 1154 mSource->getDuration(&durationUs) == OK && 1155 durationUs 1156 > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 1157 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1158 } else { 1159 flags = AUDIO_OUTPUT_FLAG_NONE; 1160 } 1161 1162 if (mOffloadAudio) { 1163 audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT; 1164 AString mime; 1165 CHECK(format->findString("mime", &mime)); 1166 status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str()); 1167 1168 if (err != OK) { 1169 ALOGE("Couldn't map mime \"%s\" to a valid " 1170 "audio_format", mime.c_str()); 1171 mOffloadAudio = false; 1172 } else { 1173 ALOGV("Mime \"%s\" mapped to audio_format 0x%x", 1174 mime.c_str(), audioFormat); 1175 1176 int avgBitRate = -1; 1177 format->findInt32("bit-rate", &avgBitRate); 1178 1179 int32_t aacProfile = -1; 1180 if (audioFormat == AUDIO_FORMAT_AAC 1181 && format->findInt32("aac-profile", &aacProfile)) { 1182 // Redefine AAC format as per aac profile 1183 mapAACProfileToAudioFormat( 1184 audioFormat, 1185 aacProfile); 1186 } 1187 1188 audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER; 1189 offloadInfo.duration_us = -1; 1190 format->findInt64( 1191 "durationUs", &offloadInfo.duration_us); 1192 offloadInfo.sample_rate = sampleRate; 1193 offloadInfo.channel_mask = channelMask; 1194 offloadInfo.format = audioFormat; 1195 offloadInfo.stream_type = AUDIO_STREAM_MUSIC; 1196 offloadInfo.bit_rate = avgBitRate; 1197 offloadInfo.has_video = (mVideoDecoder != NULL); 1198 offloadInfo.is_streaming = true; 1199 1200 if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) { 1201 ALOGV("openAudioSink: no change in offload mode"); 1202 return; // no change from previous configuration, everything ok. 1203 } 1204 ALOGV("openAudioSink: try to open AudioSink in offload mode"); 1205 flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1206 flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1207 audioSinkChanged = true; 1208 mAudioSink->close(); 1209 err = mAudioSink->open( 1210 sampleRate, 1211 numChannels, 1212 (audio_channel_mask_t)channelMask, 1213 audioFormat, 1214 8 /* bufferCount */, 1215 &NuPlayer::Renderer::AudioSinkCallback, 1216 mRenderer.get(), 1217 (audio_output_flags_t)flags, 1218 &offloadInfo); 1219 1220 if (err == OK) { 1221 // If the playback is offloaded to h/w, we pass 1222 // the HAL some metadata information. 1223 // We don't want to do this for PCM because it 1224 // will be going through the AudioFlinger mixer 1225 // before reaching the hardware. 1226 sp<MetaData> audioMeta = 1227 mSource->getFormatMeta(true /* audio */); 1228 sendMetaDataToHal(mAudioSink, audioMeta); 1229 mCurrentOffloadInfo = offloadInfo; 1230 err = mAudioSink->start(); 1231 ALOGV_IF(err == OK, "openAudioSink: offload succeeded"); 1232 } 1233 if (err != OK) { 1234 // Clean up, fall back to non offload mode. 1235 mAudioSink->close(); 1236 mRenderer->signalDisableOffloadAudio(); 1237 mOffloadAudio = false; 1238 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1239 ALOGV("openAudioSink: offload failed"); 1240 } 1241 } 1242 } 1243 if (!offloadOnly && !mOffloadAudio) { 1244 flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1245 ALOGV("openAudioSink: open AudioSink in NON-offload mode"); 1246 1247 audioSinkChanged = true; 1248 mAudioSink->close(); 1249 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1250 CHECK_EQ(mAudioSink->open( 1251 sampleRate, 1252 numChannels, 1253 (audio_channel_mask_t)channelMask, 1254 AUDIO_FORMAT_PCM_16_BIT, 1255 8 /* bufferCount */, 1256 NULL, 1257 NULL, 1258 (audio_output_flags_t)flags), 1259 (status_t)OK); 1260 mAudioSink->start(); 1261 } 1262 if (audioSinkChanged) { 1263 mRenderer->signalAudioSinkChanged(); 1264 } 1265} 1266 1267void NuPlayer::closeAudioSink() { 1268 mAudioSink->close(); 1269 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1270} 1271 1272status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 1273 if (*decoder != NULL) { 1274 return OK; 1275 } 1276 1277 sp<AMessage> format = mSource->getFormat(audio); 1278 1279 if (format == NULL) { 1280 return -EWOULDBLOCK; 1281 } 1282 1283 if (!audio) { 1284 AString mime; 1285 CHECK(format->findString("mime", &mime)); 1286 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 1287 1288 sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id()); 1289 mCCDecoder = new CCDecoder(ccNotify); 1290 1291 if (mSourceFlags & Source::FLAG_SECURE) { 1292 format->setInt32("secure", true); 1293 } 1294 } 1295 1296 if (audio) { 1297 sp<AMessage> notify = new AMessage(kWhatAudioNotify, id()); 1298 ++mAudioDecoderGeneration; 1299 notify->setInt32("generation", mAudioDecoderGeneration); 1300 1301 if (mOffloadAudio) { 1302 *decoder = new DecoderPassThrough(notify); 1303 } else { 1304 *decoder = new Decoder(notify); 1305 } 1306 } else { 1307 sp<AMessage> notify = new AMessage(kWhatVideoNotify, id()); 1308 ++mVideoDecoderGeneration; 1309 notify->setInt32("generation", mVideoDecoderGeneration); 1310 1311 *decoder = new Decoder(notify, mNativeWindow); 1312 } 1313 (*decoder)->init(); 1314 (*decoder)->configure(format); 1315 1316 // allocate buffers to decrypt widevine source buffers 1317 if (!audio && (mSourceFlags & Source::FLAG_SECURE)) { 1318 Vector<sp<ABuffer> > inputBufs; 1319 CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK); 1320 1321 Vector<MediaBuffer *> mediaBufs; 1322 for (size_t i = 0; i < inputBufs.size(); i++) { 1323 const sp<ABuffer> &buffer = inputBufs[i]; 1324 MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size()); 1325 mediaBufs.push(mbuf); 1326 } 1327 1328 status_t err = mSource->setBuffers(audio, mediaBufs); 1329 if (err != OK) { 1330 for (size_t i = 0; i < mediaBufs.size(); ++i) { 1331 mediaBufs[i]->release(); 1332 } 1333 mediaBufs.clear(); 1334 ALOGE("Secure source didn't support secure mediaBufs."); 1335 return err; 1336 } 1337 } 1338 return OK; 1339} 1340 1341status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 1342 sp<AMessage> reply; 1343 CHECK(msg->findMessage("reply", &reply)); 1344 1345 if ((audio && mFlushingAudio != NONE) 1346 || (!audio && mFlushingVideo != NONE) 1347 || mSource == NULL) { 1348 reply->setInt32("err", INFO_DISCONTINUITY); 1349 reply->post(); 1350 return OK; 1351 } 1352 1353 sp<ABuffer> accessUnit; 1354 1355 // Aggregate smaller buffers into a larger buffer. 1356 // The goal is to reduce power consumption. 1357 // Note this will not work if the decoder requires one frame per buffer. 1358 bool doBufferAggregation = (audio && mOffloadAudio); 1359 bool needMoreData = false; 1360 1361 bool dropAccessUnit; 1362 do { 1363 status_t err; 1364 // Did we save an accessUnit earlier because of a discontinuity? 1365 if (audio && (mPendingAudioAccessUnit != NULL)) { 1366 accessUnit = mPendingAudioAccessUnit; 1367 mPendingAudioAccessUnit.clear(); 1368 err = mPendingAudioErr; 1369 ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit"); 1370 } else { 1371 err = mSource->dequeueAccessUnit(audio, &accessUnit); 1372 } 1373 1374 if (err == -EWOULDBLOCK) { 1375 return err; 1376 } else if (err != OK) { 1377 if (err == INFO_DISCONTINUITY) { 1378 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1379 // We already have some data so save this for later. 1380 mPendingAudioErr = err; 1381 mPendingAudioAccessUnit = accessUnit; 1382 accessUnit.clear(); 1383 ALOGD("feedDecoderInputData() save discontinuity for later"); 1384 break; 1385 } 1386 int32_t type; 1387 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 1388 1389 bool formatChange = 1390 (audio && 1391 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 1392 || (!audio && 1393 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 1394 1395 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 1396 1397 ALOGI("%s discontinuity (formatChange=%d, time=%d)", 1398 audio ? "audio" : "video", formatChange, timeChange); 1399 1400 if (audio) { 1401 mSkipRenderingAudioUntilMediaTimeUs = -1; 1402 } else { 1403 mSkipRenderingVideoUntilMediaTimeUs = -1; 1404 } 1405 1406 if (timeChange) { 1407 sp<AMessage> extra; 1408 if (accessUnit->meta()->findMessage("extra", &extra) 1409 && extra != NULL) { 1410 int64_t resumeAtMediaTimeUs; 1411 if (extra->findInt64( 1412 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 1413 ALOGI("suppressing rendering of %s until %lld us", 1414 audio ? "audio" : "video", resumeAtMediaTimeUs); 1415 1416 if (audio) { 1417 mSkipRenderingAudioUntilMediaTimeUs = 1418 resumeAtMediaTimeUs; 1419 } else { 1420 mSkipRenderingVideoUntilMediaTimeUs = 1421 resumeAtMediaTimeUs; 1422 } 1423 } 1424 } 1425 } 1426 1427 mTimeDiscontinuityPending = 1428 mTimeDiscontinuityPending || timeChange; 1429 1430 bool seamlessFormatChange = false; 1431 sp<AMessage> newFormat = mSource->getFormat(audio); 1432 if (formatChange) { 1433 seamlessFormatChange = 1434 getDecoder(audio)->supportsSeamlessFormatChange(newFormat); 1435 // treat seamless format change separately 1436 formatChange = !seamlessFormatChange; 1437 } 1438 bool shutdownOrFlush = formatChange || timeChange; 1439 1440 // We want to queue up scan-sources only once per discontinuity. 1441 // We control this by doing it only if neither audio nor video are 1442 // flushing or shutting down. (After handling 1st discontinuity, one 1443 // of the flushing states will not be NONE.) 1444 // No need to scan sources if this discontinuity does not result 1445 // in a flush or shutdown, as the flushing state will stay NONE. 1446 if (mFlushingAudio == NONE && mFlushingVideo == NONE && 1447 shutdownOrFlush) { 1448 // And we'll resume scanning sources once we're done 1449 // flushing. 1450 mDeferredActions.push_front( 1451 new SimpleAction( 1452 &NuPlayer::performScanSources)); 1453 } 1454 1455 if (formatChange /* not seamless */) { 1456 // must change decoder 1457 flushDecoder(audio, /* needShutdown = */ true); 1458 } else if (timeChange) { 1459 // need to flush 1460 flushDecoder(audio, /* needShutdown = */ false, newFormat); 1461 err = OK; 1462 } else if (seamlessFormatChange) { 1463 // reuse existing decoder and don't flush 1464 updateDecoderFormatWithoutFlush(audio, newFormat); 1465 err = OK; 1466 } else { 1467 // This stream is unaffected by the discontinuity 1468 return -EWOULDBLOCK; 1469 } 1470 } 1471 1472 reply->setInt32("err", err); 1473 reply->post(); 1474 return OK; 1475 } 1476 1477 if (!audio) { 1478 ++mNumFramesTotal; 1479 } 1480 1481 dropAccessUnit = false; 1482 if (!audio 1483 && !(mSourceFlags & Source::FLAG_SECURE) 1484 && mVideoLateByUs > 100000ll 1485 && mVideoIsAVC 1486 && !IsAVCReferenceFrame(accessUnit)) { 1487 dropAccessUnit = true; 1488 ++mNumFramesDropped; 1489 } 1490 1491 size_t smallSize = accessUnit->size(); 1492 needMoreData = false; 1493 if (doBufferAggregation && (mAggregateBuffer == NULL) 1494 // Don't bother if only room for a few small buffers. 1495 && (smallSize < (kAggregateBufferSizeBytes / 3))) { 1496 // Create a larger buffer for combining smaller buffers from the extractor. 1497 mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes); 1498 mAggregateBuffer->setRange(0, 0); // start empty 1499 } 1500 1501 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1502 int64_t timeUs; 1503 int64_t dummy; 1504 bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs); 1505 bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy); 1506 // Will the smaller buffer fit? 1507 size_t bigSize = mAggregateBuffer->size(); 1508 size_t roomLeft = mAggregateBuffer->capacity() - bigSize; 1509 // Should we save this small buffer for the next big buffer? 1510 // If the first small buffer did not have a timestamp then save 1511 // any buffer that does have a timestamp until the next big buffer. 1512 if ((smallSize > roomLeft) 1513 || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) { 1514 mPendingAudioErr = err; 1515 mPendingAudioAccessUnit = accessUnit; 1516 accessUnit.clear(); 1517 } else { 1518 // Grab time from first small buffer if available. 1519 if ((bigSize == 0) && smallTimestampValid) { 1520 mAggregateBuffer->meta()->setInt64("timeUs", timeUs); 1521 } 1522 // Append small buffer to the bigger buffer. 1523 memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize); 1524 bigSize += smallSize; 1525 mAggregateBuffer->setRange(0, bigSize); 1526 1527 // Keep looping until we run out of room in the mAggregateBuffer. 1528 needMoreData = true; 1529 1530 ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu", 1531 smallSize, bigSize, mAggregateBuffer->capacity()); 1532 } 1533 } 1534 } while (dropAccessUnit || needMoreData); 1535 1536 // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 1537 1538#if 0 1539 int64_t mediaTimeUs; 1540 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 1541 ALOGV("feeding %s input buffer at media time %.2f secs", 1542 audio ? "audio" : "video", 1543 mediaTimeUs / 1E6); 1544#endif 1545 1546 if (!audio) { 1547 mCCDecoder->decode(accessUnit); 1548 } 1549 1550 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1551 ALOGV("feedDecoderInputData() reply with aggregated buffer, %zu", 1552 mAggregateBuffer->size()); 1553 reply->setBuffer("buffer", mAggregateBuffer); 1554 mAggregateBuffer.clear(); 1555 } else { 1556 reply->setBuffer("buffer", accessUnit); 1557 } 1558 1559 reply->post(); 1560 1561 return OK; 1562} 1563 1564void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 1565 // ALOGV("renderBuffer %s", audio ? "audio" : "video"); 1566 1567 sp<AMessage> reply; 1568 CHECK(msg->findMessage("reply", &reply)); 1569 1570 if ((audio && mFlushingAudio != NONE) 1571 || (!audio && mFlushingVideo != NONE)) { 1572 // We're currently attempting to flush the decoder, in order 1573 // to complete this, the decoder wants all its buffers back, 1574 // so we don't want any output buffers it sent us (from before 1575 // we initiated the flush) to be stuck in the renderer's queue. 1576 1577 ALOGV("we're still flushing the %s decoder, sending its output buffer" 1578 " right back.", audio ? "audio" : "video"); 1579 1580 reply->post(); 1581 return; 1582 } 1583 1584 sp<ABuffer> buffer; 1585 CHECK(msg->findBuffer("buffer", &buffer)); 1586 1587 int64_t mediaTimeUs; 1588 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 1589 1590 int64_t &skipUntilMediaTimeUs = 1591 audio 1592 ? mSkipRenderingAudioUntilMediaTimeUs 1593 : mSkipRenderingVideoUntilMediaTimeUs; 1594 1595 if (skipUntilMediaTimeUs >= 0) { 1596 1597 if (mediaTimeUs < skipUntilMediaTimeUs) { 1598 ALOGV("dropping %s buffer at time %lld as requested.", 1599 audio ? "audio" : "video", 1600 mediaTimeUs); 1601 1602 reply->post(); 1603 return; 1604 } 1605 1606 skipUntilMediaTimeUs = -1; 1607 } 1608 1609 if (!audio && mCCDecoder->isSelected()) { 1610 mCCDecoder->display(mediaTimeUs); 1611 } 1612 1613 mRenderer->queueBuffer(audio, buffer, reply); 1614} 1615 1616void NuPlayer::updateVideoSize( 1617 const sp<AMessage> &inputFormat, 1618 const sp<AMessage> &outputFormat) { 1619 if (inputFormat == NULL) { 1620 ALOGW("Unknown video size, reporting 0x0!"); 1621 notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0); 1622 return; 1623 } 1624 1625 int32_t displayWidth, displayHeight; 1626 int32_t cropLeft, cropTop, cropRight, cropBottom; 1627 1628 if (outputFormat != NULL) { 1629 int32_t width, height; 1630 CHECK(outputFormat->findInt32("width", &width)); 1631 CHECK(outputFormat->findInt32("height", &height)); 1632 1633 int32_t cropLeft, cropTop, cropRight, cropBottom; 1634 CHECK(outputFormat->findRect( 1635 "crop", 1636 &cropLeft, &cropTop, &cropRight, &cropBottom)); 1637 1638 displayWidth = cropRight - cropLeft + 1; 1639 displayHeight = cropBottom - cropTop + 1; 1640 1641 ALOGV("Video output format changed to %d x %d " 1642 "(crop: %d x %d @ (%d, %d))", 1643 width, height, 1644 displayWidth, 1645 displayHeight, 1646 cropLeft, cropTop); 1647 } else { 1648 CHECK(inputFormat->findInt32("width", &displayWidth)); 1649 CHECK(inputFormat->findInt32("height", &displayHeight)); 1650 1651 ALOGV("Video input format %d x %d", displayWidth, displayHeight); 1652 } 1653 1654 // Take into account sample aspect ratio if necessary: 1655 int32_t sarWidth, sarHeight; 1656 if (inputFormat->findInt32("sar-width", &sarWidth) 1657 && inputFormat->findInt32("sar-height", &sarHeight)) { 1658 ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight); 1659 1660 displayWidth = (displayWidth * sarWidth) / sarHeight; 1661 1662 ALOGV("display dimensions %d x %d", displayWidth, displayHeight); 1663 } 1664 1665 int32_t rotationDegrees; 1666 if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) { 1667 rotationDegrees = 0; 1668 } 1669 1670 if (rotationDegrees == 90 || rotationDegrees == 270) { 1671 int32_t tmp = displayWidth; 1672 displayWidth = displayHeight; 1673 displayHeight = tmp; 1674 } 1675 1676 notifyListener( 1677 MEDIA_SET_VIDEO_SIZE, 1678 displayWidth, 1679 displayHeight); 1680} 1681 1682void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) { 1683 if (mDriver == NULL) { 1684 return; 1685 } 1686 1687 sp<NuPlayerDriver> driver = mDriver.promote(); 1688 1689 if (driver == NULL) { 1690 return; 1691 } 1692 1693 driver->notifyListener(msg, ext1, ext2, in); 1694} 1695 1696void NuPlayer::flushDecoder( 1697 bool audio, bool needShutdown, const sp<AMessage> &newFormat) { 1698 ALOGV("[%s] flushDecoder needShutdown=%d", 1699 audio ? "audio" : "video", needShutdown); 1700 1701 const sp<Decoder> &decoder = getDecoder(audio); 1702 if (decoder == NULL) { 1703 ALOGI("flushDecoder %s without decoder present", 1704 audio ? "audio" : "video"); 1705 return; 1706 } 1707 1708 // Make sure we don't continue to scan sources until we finish flushing. 1709 ++mScanSourcesGeneration; 1710 mScanSourcesPending = false; 1711 1712 decoder->signalFlush(newFormat); 1713 mRenderer->flush(audio); 1714 1715 FlushStatus newStatus = 1716 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 1717 1718 if (audio) { 1719 ALOGE_IF(mFlushingAudio != NONE, 1720 "audio flushDecoder() is called in state %d", mFlushingAudio); 1721 mFlushingAudio = newStatus; 1722 } else { 1723 ALOGE_IF(mFlushingVideo != NONE, 1724 "video flushDecoder() is called in state %d", mFlushingVideo); 1725 mFlushingVideo = newStatus; 1726 1727 if (mCCDecoder != NULL) { 1728 mCCDecoder->flush(); 1729 } 1730 } 1731} 1732 1733void NuPlayer::updateDecoderFormatWithoutFlush( 1734 bool audio, const sp<AMessage> &format) { 1735 ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video"); 1736 1737 const sp<Decoder> &decoder = getDecoder(audio); 1738 if (decoder == NULL) { 1739 ALOGI("updateDecoderFormatWithoutFlush %s without decoder present", 1740 audio ? "audio" : "video"); 1741 return; 1742 } 1743 1744 decoder->signalUpdateFormat(format); 1745} 1746 1747void NuPlayer::queueDecoderShutdown( 1748 bool audio, bool video, const sp<AMessage> &reply) { 1749 ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video); 1750 1751 mDeferredActions.push_back( 1752 new ShutdownDecoderAction(audio, video)); 1753 1754 mDeferredActions.push_back( 1755 new SimpleAction(&NuPlayer::performScanSources)); 1756 1757 mDeferredActions.push_back(new PostMessageAction(reply)); 1758 1759 processDeferredActions(); 1760} 1761 1762status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1763 mVideoScalingMode = mode; 1764 if (mNativeWindow != NULL) { 1765 status_t ret = native_window_set_scaling_mode( 1766 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1767 if (ret != OK) { 1768 ALOGE("Failed to set scaling mode (%d): %s", 1769 -ret, strerror(-ret)); 1770 return ret; 1771 } 1772 } 1773 return OK; 1774} 1775 1776status_t NuPlayer::getTrackInfo(Parcel* reply) const { 1777 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id()); 1778 msg->setPointer("reply", reply); 1779 1780 sp<AMessage> response; 1781 status_t err = msg->postAndAwaitResponse(&response); 1782 return err; 1783} 1784 1785status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const { 1786 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id()); 1787 msg->setPointer("reply", reply); 1788 msg->setInt32("type", type); 1789 1790 sp<AMessage> response; 1791 status_t err = msg->postAndAwaitResponse(&response); 1792 if (err == OK && response != NULL) { 1793 CHECK(response->findInt32("err", &err)); 1794 } 1795 return err; 1796} 1797 1798status_t NuPlayer::selectTrack(size_t trackIndex, bool select) { 1799 sp<AMessage> msg = new AMessage(kWhatSelectTrack, id()); 1800 msg->setSize("trackIndex", trackIndex); 1801 msg->setInt32("select", select); 1802 1803 sp<AMessage> response; 1804 status_t err = msg->postAndAwaitResponse(&response); 1805 1806 if (err != OK) { 1807 return err; 1808 } 1809 1810 if (!response->findInt32("err", &err)) { 1811 err = OK; 1812 } 1813 1814 return err; 1815} 1816 1817sp<MetaData> NuPlayer::getFileMeta() { 1818 return mSource->getFileFormatMeta(); 1819} 1820 1821void NuPlayer::schedulePollDuration() { 1822 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1823 msg->setInt32("generation", mPollDurationGeneration); 1824 msg->post(); 1825} 1826 1827void NuPlayer::cancelPollDuration() { 1828 ++mPollDurationGeneration; 1829} 1830 1831void NuPlayer::processDeferredActions() { 1832 while (!mDeferredActions.empty()) { 1833 // We won't execute any deferred actions until we're no longer in 1834 // an intermediate state, i.e. one more more decoders are currently 1835 // flushing or shutting down. 1836 1837 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 1838 // We're currently flushing, postpone the reset until that's 1839 // completed. 1840 1841 ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d", 1842 mFlushingAudio, mFlushingVideo); 1843 1844 break; 1845 } 1846 1847 sp<Action> action = *mDeferredActions.begin(); 1848 mDeferredActions.erase(mDeferredActions.begin()); 1849 1850 action->execute(this); 1851 } 1852} 1853 1854void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) { 1855 ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)", 1856 seekTimeUs, 1857 seekTimeUs / 1E6, 1858 needNotify); 1859 1860 if (mSource == NULL) { 1861 // This happens when reset occurs right before the loop mode 1862 // asynchronously seeks to the start of the stream. 1863 LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL, 1864 "mSource is NULL and decoders not NULL audio(%p) video(%p)", 1865 mAudioDecoder.get(), mVideoDecoder.get()); 1866 return; 1867 } 1868 mSource->seekTo(seekTimeUs); 1869 ++mTimedTextGeneration; 1870 1871 if (mDriver != NULL) { 1872 sp<NuPlayerDriver> driver = mDriver.promote(); 1873 if (driver != NULL) { 1874 driver->notifyPosition(seekTimeUs); 1875 if (needNotify) { 1876 driver->notifySeekComplete(); 1877 } 1878 } 1879 } 1880 1881 // everything's flushed, continue playback. 1882} 1883 1884void NuPlayer::performDecoderFlush() { 1885 ALOGV("performDecoderFlush"); 1886 1887 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 1888 return; 1889 } 1890 1891 mTimeDiscontinuityPending = true; 1892 1893 if (mAudioDecoder != NULL) { 1894 flushDecoder(true /* audio */, false /* needShutdown */); 1895 } 1896 1897 if (mVideoDecoder != NULL) { 1898 flushDecoder(false /* audio */, false /* needShutdown */); 1899 } 1900} 1901 1902void NuPlayer::performDecoderShutdown(bool audio, bool video) { 1903 ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video); 1904 1905 if ((!audio || mAudioDecoder == NULL) 1906 && (!video || mVideoDecoder == NULL)) { 1907 return; 1908 } 1909 1910 mTimeDiscontinuityPending = true; 1911 1912 if (audio && mAudioDecoder != NULL) { 1913 flushDecoder(true /* audio */, true /* needShutdown */); 1914 } 1915 1916 if (video && mVideoDecoder != NULL) { 1917 flushDecoder(false /* audio */, true /* needShutdown */); 1918 } 1919} 1920 1921void NuPlayer::performReset() { 1922 ALOGV("performReset"); 1923 1924 CHECK(mAudioDecoder == NULL); 1925 CHECK(mVideoDecoder == NULL); 1926 1927 cancelPollDuration(); 1928 1929 ++mScanSourcesGeneration; 1930 mScanSourcesPending = false; 1931 1932 if (mRendererLooper != NULL) { 1933 if (mRenderer != NULL) { 1934 mRendererLooper->unregisterHandler(mRenderer->id()); 1935 } 1936 mRendererLooper->stop(); 1937 mRendererLooper.clear(); 1938 } 1939 mRenderer.clear(); 1940 ++mRendererGeneration; 1941 1942 if (mSource != NULL) { 1943 mSource->stop(); 1944 1945 mSource.clear(); 1946 } 1947 1948 if (mDriver != NULL) { 1949 sp<NuPlayerDriver> driver = mDriver.promote(); 1950 if (driver != NULL) { 1951 driver->notifyResetComplete(); 1952 } 1953 } 1954 1955 mStarted = false; 1956} 1957 1958void NuPlayer::performScanSources() { 1959 ALOGV("performScanSources"); 1960 1961 if (!mStarted) { 1962 return; 1963 } 1964 1965 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 1966 postScanSources(); 1967 } 1968} 1969 1970void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) { 1971 ALOGV("performSetSurface"); 1972 1973 mNativeWindow = wrapper; 1974 1975 // XXX - ignore error from setVideoScalingMode for now 1976 setVideoScalingMode(mVideoScalingMode); 1977 1978 if (mDriver != NULL) { 1979 sp<NuPlayerDriver> driver = mDriver.promote(); 1980 if (driver != NULL) { 1981 driver->notifySetSurfaceComplete(); 1982 } 1983 } 1984} 1985 1986void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { 1987 int32_t what; 1988 CHECK(msg->findInt32("what", &what)); 1989 1990 switch (what) { 1991 case Source::kWhatPrepared: 1992 { 1993 if (mSource == NULL) { 1994 // This is a stale notification from a source that was 1995 // asynchronously preparing when the client called reset(). 1996 // We handled the reset, the source is gone. 1997 break; 1998 } 1999 2000 int32_t err; 2001 CHECK(msg->findInt32("err", &err)); 2002 2003 sp<NuPlayerDriver> driver = mDriver.promote(); 2004 if (driver != NULL) { 2005 // notify duration first, so that it's definitely set when 2006 // the app received the "prepare complete" callback. 2007 int64_t durationUs; 2008 if (mSource->getDuration(&durationUs) == OK) { 2009 driver->notifyDuration(durationUs); 2010 } 2011 driver->notifyPrepareCompleted(err); 2012 } 2013 2014 break; 2015 } 2016 2017 case Source::kWhatFlagsChanged: 2018 { 2019 uint32_t flags; 2020 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 2021 2022 sp<NuPlayerDriver> driver = mDriver.promote(); 2023 if (driver != NULL) { 2024 driver->notifyFlagsChanged(flags); 2025 } 2026 2027 if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 2028 && (!(flags & Source::FLAG_DYNAMIC_DURATION))) { 2029 cancelPollDuration(); 2030 } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 2031 && (flags & Source::FLAG_DYNAMIC_DURATION) 2032 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 2033 schedulePollDuration(); 2034 } 2035 2036 mSourceFlags = flags; 2037 break; 2038 } 2039 2040 case Source::kWhatVideoSizeChanged: 2041 { 2042 sp<AMessage> format; 2043 CHECK(msg->findMessage("format", &format)); 2044 2045 updateVideoSize(format); 2046 break; 2047 } 2048 2049 case Source::kWhatBufferingUpdate: 2050 { 2051 int32_t percentage; 2052 CHECK(msg->findInt32("percentage", &percentage)); 2053 2054 notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0); 2055 break; 2056 } 2057 2058 case Source::kWhatBufferingStart: 2059 { 2060 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0); 2061 break; 2062 } 2063 2064 case Source::kWhatBufferingEnd: 2065 { 2066 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0); 2067 break; 2068 } 2069 2070 case Source::kWhatSubtitleData: 2071 { 2072 sp<ABuffer> buffer; 2073 CHECK(msg->findBuffer("buffer", &buffer)); 2074 2075 sendSubtitleData(buffer, 0 /* baseIndex */); 2076 break; 2077 } 2078 2079 case Source::kWhatTimedTextData: 2080 { 2081 int32_t generation; 2082 if (msg->findInt32("generation", &generation) 2083 && generation != mTimedTextGeneration) { 2084 break; 2085 } 2086 2087 sp<ABuffer> buffer; 2088 CHECK(msg->findBuffer("buffer", &buffer)); 2089 2090 sp<NuPlayerDriver> driver = mDriver.promote(); 2091 if (driver == NULL) { 2092 break; 2093 } 2094 2095 int posMs; 2096 int64_t timeUs, posUs; 2097 driver->getCurrentPosition(&posMs); 2098 posUs = posMs * 1000; 2099 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2100 2101 if (posUs < timeUs) { 2102 if (!msg->findInt32("generation", &generation)) { 2103 msg->setInt32("generation", mTimedTextGeneration); 2104 } 2105 msg->post(timeUs - posUs); 2106 } else { 2107 sendTimedTextData(buffer); 2108 } 2109 break; 2110 } 2111 2112 case Source::kWhatQueueDecoderShutdown: 2113 { 2114 int32_t audio, video; 2115 CHECK(msg->findInt32("audio", &audio)); 2116 CHECK(msg->findInt32("video", &video)); 2117 2118 sp<AMessage> reply; 2119 CHECK(msg->findMessage("reply", &reply)); 2120 2121 queueDecoderShutdown(audio, video, reply); 2122 break; 2123 } 2124 2125 case Source::kWhatDrmNoLicense: 2126 { 2127 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE); 2128 break; 2129 } 2130 2131 default: 2132 TRESPASS(); 2133 } 2134} 2135 2136void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) { 2137 int32_t what; 2138 CHECK(msg->findInt32("what", &what)); 2139 2140 switch (what) { 2141 case NuPlayer::CCDecoder::kWhatClosedCaptionData: 2142 { 2143 sp<ABuffer> buffer; 2144 CHECK(msg->findBuffer("buffer", &buffer)); 2145 2146 size_t inbandTracks = 0; 2147 if (mSource != NULL) { 2148 inbandTracks = mSource->getTrackCount(); 2149 } 2150 2151 sendSubtitleData(buffer, inbandTracks); 2152 break; 2153 } 2154 2155 case NuPlayer::CCDecoder::kWhatTrackAdded: 2156 { 2157 notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); 2158 2159 break; 2160 } 2161 2162 default: 2163 TRESPASS(); 2164 } 2165 2166 2167} 2168 2169void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { 2170 int32_t trackIndex; 2171 int64_t timeUs, durationUs; 2172 CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex)); 2173 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2174 CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); 2175 2176 Parcel in; 2177 in.writeInt32(trackIndex + baseIndex); 2178 in.writeInt64(timeUs); 2179 in.writeInt64(durationUs); 2180 in.writeInt32(buffer->size()); 2181 in.writeInt32(buffer->size()); 2182 in.write(buffer->data(), buffer->size()); 2183 2184 notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); 2185} 2186 2187void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { 2188 const void *data; 2189 size_t size = 0; 2190 int64_t timeUs; 2191 int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS; 2192 2193 AString mime; 2194 CHECK(buffer->meta()->findString("mime", &mime)); 2195 CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0); 2196 2197 data = buffer->data(); 2198 size = buffer->size(); 2199 2200 Parcel parcel; 2201 if (size > 0) { 2202 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2203 flag |= TextDescriptions::IN_BAND_TEXT_3GPP; 2204 TextDescriptions::getParcelOfDescriptions( 2205 (const uint8_t *)data, size, flag, timeUs / 1000, &parcel); 2206 } 2207 2208 if ((parcel.dataSize() > 0)) { 2209 notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel); 2210 } else { // send an empty timed text 2211 notifyListener(MEDIA_TIMED_TEXT, 0, 0); 2212 } 2213} 2214//////////////////////////////////////////////////////////////////////////////// 2215 2216sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 2217 sp<MetaData> meta = getFormatMeta(audio); 2218 2219 if (meta == NULL) { 2220 return NULL; 2221 } 2222 2223 sp<AMessage> msg = new AMessage; 2224 2225 if(convertMetaDataToMessage(meta, &msg) == OK) { 2226 return msg; 2227 } 2228 return NULL; 2229} 2230 2231void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) { 2232 sp<AMessage> notify = dupNotify(); 2233 notify->setInt32("what", kWhatFlagsChanged); 2234 notify->setInt32("flags", flags); 2235 notify->post(); 2236} 2237 2238void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) { 2239 sp<AMessage> notify = dupNotify(); 2240 notify->setInt32("what", kWhatVideoSizeChanged); 2241 notify->setMessage("format", format); 2242 notify->post(); 2243} 2244 2245void NuPlayer::Source::notifyPrepared(status_t err) { 2246 sp<AMessage> notify = dupNotify(); 2247 notify->setInt32("what", kWhatPrepared); 2248 notify->setInt32("err", err); 2249 notify->post(); 2250} 2251 2252void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) { 2253 TRESPASS(); 2254} 2255 2256} // namespace android 2257