NuPlayer.cpp revision 2abde2c118a94f843a7450818c925d3f0b673cd3
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 closeAudioSink(); 970 mAudioDecoder.clear(); 971 ++mAudioDecoderGeneration; 972 mRenderer->flush(true /* audio */); 973 if (mVideoDecoder != NULL) { 974 mRenderer->flush(false /* audio */); 975 } 976 mRenderer->signalDisableOffloadAudio(); 977 mOffloadAudio = false; 978 979 performSeek(positionUs, false /* needNotify */); 980 instantiateDecoder(true /* audio */, &mAudioDecoder); 981 } 982 break; 983 } 984 985 case kWhatMoreDataQueued: 986 { 987 break; 988 } 989 990 case kWhatReset: 991 { 992 ALOGV("kWhatReset"); 993 994 mDeferredActions.push_back( 995 new ShutdownDecoderAction( 996 true /* audio */, true /* video */)); 997 998 mDeferredActions.push_back( 999 new SimpleAction(&NuPlayer::performReset)); 1000 1001 processDeferredActions(); 1002 break; 1003 } 1004 1005 case kWhatSeek: 1006 { 1007 int64_t seekTimeUs; 1008 int32_t needNotify; 1009 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 1010 CHECK(msg->findInt32("needNotify", &needNotify)); 1011 1012 ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d", 1013 seekTimeUs, needNotify); 1014 1015 mDeferredActions.push_back( 1016 new SimpleAction(&NuPlayer::performDecoderFlush)); 1017 1018 mDeferredActions.push_back( 1019 new SeekAction(seekTimeUs, needNotify)); 1020 1021 processDeferredActions(); 1022 break; 1023 } 1024 1025 case kWhatPause: 1026 { 1027 if (mSource != NULL) { 1028 mSource->pause(); 1029 } else { 1030 ALOGW("pause called when source is gone or not set"); 1031 } 1032 if (mRenderer != NULL) { 1033 mRenderer->pause(); 1034 } else { 1035 ALOGW("pause called when renderer is gone or not set"); 1036 } 1037 break; 1038 } 1039 1040 case kWhatResume: 1041 { 1042 if (mSource != NULL) { 1043 mSource->resume(); 1044 } else { 1045 ALOGW("resume called when source is gone or not set"); 1046 } 1047 if (mRenderer != NULL) { 1048 mRenderer->resume(); 1049 } else { 1050 ALOGW("resume called when renderer is gone or not set"); 1051 } 1052 break; 1053 } 1054 1055 case kWhatSourceNotify: 1056 { 1057 onSourceNotify(msg); 1058 break; 1059 } 1060 1061 case kWhatClosedCaptionNotify: 1062 { 1063 onClosedCaptionNotify(msg); 1064 break; 1065 } 1066 1067 default: 1068 TRESPASS(); 1069 break; 1070 } 1071} 1072 1073void NuPlayer::finishFlushIfPossible() { 1074 if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED 1075 && mFlushingAudio != SHUT_DOWN) { 1076 return; 1077 } 1078 1079 if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED 1080 && mFlushingVideo != SHUT_DOWN) { 1081 return; 1082 } 1083 1084 ALOGV("both audio and video are flushed now."); 1085 1086 mPendingAudioAccessUnit.clear(); 1087 mAggregateBuffer.clear(); 1088 1089 if (mTimeDiscontinuityPending) { 1090 mRenderer->signalTimeDiscontinuity(); 1091 mTimeDiscontinuityPending = false; 1092 } 1093 1094 if (mAudioDecoder != NULL && mFlushingAudio == FLUSHED) { 1095 mAudioDecoder->signalResume(); 1096 } 1097 1098 if (mVideoDecoder != NULL && mFlushingVideo == FLUSHED) { 1099 mVideoDecoder->signalResume(); 1100 } 1101 1102 mFlushingAudio = NONE; 1103 mFlushingVideo = NONE; 1104 1105 processDeferredActions(); 1106} 1107 1108void NuPlayer::postScanSources() { 1109 if (mScanSourcesPending) { 1110 return; 1111 } 1112 1113 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 1114 msg->setInt32("generation", mScanSourcesGeneration); 1115 msg->post(); 1116 1117 mScanSourcesPending = true; 1118} 1119 1120void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) { 1121 ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)", 1122 offloadOnly, mOffloadAudio); 1123 bool audioSinkChanged = false; 1124 1125 int32_t numChannels; 1126 CHECK(format->findInt32("channel-count", &numChannels)); 1127 1128 int32_t channelMask; 1129 if (!format->findInt32("channel-mask", &channelMask)) { 1130 // signal to the AudioSink to derive the mask from count. 1131 channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; 1132 } 1133 1134 int32_t sampleRate; 1135 CHECK(format->findInt32("sample-rate", &sampleRate)); 1136 1137 uint32_t flags; 1138 int64_t durationUs; 1139 // FIXME: we should handle the case where the video decoder 1140 // is created after we receive the format change indication. 1141 // Current code will just make that we select deep buffer 1142 // with video which should not be a problem as it should 1143 // not prevent from keeping A/V sync. 1144 if (mVideoDecoder == NULL && 1145 mSource->getDuration(&durationUs) == OK && 1146 durationUs 1147 > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 1148 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1149 } else { 1150 flags = AUDIO_OUTPUT_FLAG_NONE; 1151 } 1152 1153 if (mOffloadAudio) { 1154 audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT; 1155 AString mime; 1156 CHECK(format->findString("mime", &mime)); 1157 status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str()); 1158 1159 if (err != OK) { 1160 ALOGE("Couldn't map mime \"%s\" to a valid " 1161 "audio_format", mime.c_str()); 1162 mOffloadAudio = false; 1163 } else { 1164 ALOGV("Mime \"%s\" mapped to audio_format 0x%x", 1165 mime.c_str(), audioFormat); 1166 1167 int avgBitRate = -1; 1168 format->findInt32("bit-rate", &avgBitRate); 1169 1170 int32_t aacProfile = -1; 1171 if (audioFormat == AUDIO_FORMAT_AAC 1172 && format->findInt32("aac-profile", &aacProfile)) { 1173 // Redefine AAC format as per aac profile 1174 mapAACProfileToAudioFormat( 1175 audioFormat, 1176 aacProfile); 1177 } 1178 1179 audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER; 1180 offloadInfo.duration_us = -1; 1181 format->findInt64( 1182 "durationUs", &offloadInfo.duration_us); 1183 offloadInfo.sample_rate = sampleRate; 1184 offloadInfo.channel_mask = channelMask; 1185 offloadInfo.format = audioFormat; 1186 offloadInfo.stream_type = AUDIO_STREAM_MUSIC; 1187 offloadInfo.bit_rate = avgBitRate; 1188 offloadInfo.has_video = (mVideoDecoder != NULL); 1189 offloadInfo.is_streaming = true; 1190 1191 if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) { 1192 ALOGV("openAudioSink: no change in offload mode"); 1193 return; // no change from previous configuration, everything ok. 1194 } 1195 ALOGV("openAudioSink: try to open AudioSink in offload mode"); 1196 flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1197 flags &= ~AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 1198 audioSinkChanged = true; 1199 mAudioSink->close(); 1200 err = mAudioSink->open( 1201 sampleRate, 1202 numChannels, 1203 (audio_channel_mask_t)channelMask, 1204 audioFormat, 1205 8 /* bufferCount */, 1206 &NuPlayer::Renderer::AudioSinkCallback, 1207 mRenderer.get(), 1208 (audio_output_flags_t)flags, 1209 &offloadInfo); 1210 1211 if (err == OK) { 1212 // If the playback is offloaded to h/w, we pass 1213 // the HAL some metadata information. 1214 // We don't want to do this for PCM because it 1215 // will be going through the AudioFlinger mixer 1216 // before reaching the hardware. 1217 sp<MetaData> audioMeta = 1218 mSource->getFormatMeta(true /* audio */); 1219 sendMetaDataToHal(mAudioSink, audioMeta); 1220 mCurrentOffloadInfo = offloadInfo; 1221 err = mAudioSink->start(); 1222 ALOGV_IF(err == OK, "openAudioSink: offload succeeded"); 1223 } 1224 if (err != OK) { 1225 // Clean up, fall back to non offload mode. 1226 mAudioSink->close(); 1227 mRenderer->signalDisableOffloadAudio(); 1228 mOffloadAudio = false; 1229 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1230 ALOGV("openAudioSink: offload failed"); 1231 } 1232 } 1233 } 1234 if (!offloadOnly && !mOffloadAudio) { 1235 flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; 1236 ALOGV("openAudioSink: open AudioSink in NON-offload mode"); 1237 1238 audioSinkChanged = true; 1239 mAudioSink->close(); 1240 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1241 CHECK_EQ(mAudioSink->open( 1242 sampleRate, 1243 numChannels, 1244 (audio_channel_mask_t)channelMask, 1245 AUDIO_FORMAT_PCM_16_BIT, 1246 8 /* bufferCount */, 1247 NULL, 1248 NULL, 1249 (audio_output_flags_t)flags), 1250 (status_t)OK); 1251 mAudioSink->start(); 1252 } 1253 if (audioSinkChanged) { 1254 mRenderer->signalAudioSinkChanged(); 1255 } 1256} 1257 1258void NuPlayer::closeAudioSink() { 1259 mAudioSink->close(); 1260 mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER; 1261} 1262 1263status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 1264 if (*decoder != NULL) { 1265 return OK; 1266 } 1267 1268 sp<AMessage> format = mSource->getFormat(audio); 1269 1270 if (format == NULL) { 1271 return -EWOULDBLOCK; 1272 } 1273 1274 if (!audio) { 1275 AString mime; 1276 CHECK(format->findString("mime", &mime)); 1277 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 1278 1279 sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id()); 1280 mCCDecoder = new CCDecoder(ccNotify); 1281 1282 if (mSourceFlags & Source::FLAG_SECURE) { 1283 format->setInt32("secure", true); 1284 } 1285 } 1286 1287 if (audio) { 1288 sp<AMessage> notify = new AMessage(kWhatAudioNotify, id()); 1289 ++mAudioDecoderGeneration; 1290 notify->setInt32("generation", mAudioDecoderGeneration); 1291 1292 if (mOffloadAudio) { 1293 *decoder = new DecoderPassThrough(notify); 1294 } else { 1295 *decoder = new Decoder(notify); 1296 } 1297 } else { 1298 sp<AMessage> notify = new AMessage(kWhatVideoNotify, id()); 1299 ++mVideoDecoderGeneration; 1300 notify->setInt32("generation", mVideoDecoderGeneration); 1301 1302 *decoder = new Decoder(notify, mNativeWindow); 1303 } 1304 (*decoder)->init(); 1305 (*decoder)->configure(format); 1306 1307 // allocate buffers to decrypt widevine source buffers 1308 if (!audio && (mSourceFlags & Source::FLAG_SECURE)) { 1309 Vector<sp<ABuffer> > inputBufs; 1310 CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK); 1311 1312 Vector<MediaBuffer *> mediaBufs; 1313 for (size_t i = 0; i < inputBufs.size(); i++) { 1314 const sp<ABuffer> &buffer = inputBufs[i]; 1315 MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size()); 1316 mediaBufs.push(mbuf); 1317 } 1318 1319 status_t err = mSource->setBuffers(audio, mediaBufs); 1320 if (err != OK) { 1321 for (size_t i = 0; i < mediaBufs.size(); ++i) { 1322 mediaBufs[i]->release(); 1323 } 1324 mediaBufs.clear(); 1325 ALOGE("Secure source didn't support secure mediaBufs."); 1326 return err; 1327 } 1328 } 1329 return OK; 1330} 1331 1332status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 1333 sp<AMessage> reply; 1334 CHECK(msg->findMessage("reply", &reply)); 1335 1336 if ((audio && mFlushingAudio != NONE) 1337 || (!audio && mFlushingVideo != NONE) 1338 || mSource == NULL) { 1339 reply->setInt32("err", INFO_DISCONTINUITY); 1340 reply->post(); 1341 return OK; 1342 } 1343 1344 sp<ABuffer> accessUnit; 1345 1346 // Aggregate smaller buffers into a larger buffer. 1347 // The goal is to reduce power consumption. 1348 // Note this will not work if the decoder requires one frame per buffer. 1349 bool doBufferAggregation = (audio && mOffloadAudio); 1350 bool needMoreData = false; 1351 1352 bool dropAccessUnit; 1353 do { 1354 status_t err; 1355 // Did we save an accessUnit earlier because of a discontinuity? 1356 if (audio && (mPendingAudioAccessUnit != NULL)) { 1357 accessUnit = mPendingAudioAccessUnit; 1358 mPendingAudioAccessUnit.clear(); 1359 err = mPendingAudioErr; 1360 ALOGV("feedDecoderInputData() use mPendingAudioAccessUnit"); 1361 } else { 1362 err = mSource->dequeueAccessUnit(audio, &accessUnit); 1363 } 1364 1365 if (err == -EWOULDBLOCK) { 1366 return err; 1367 } else if (err != OK) { 1368 if (err == INFO_DISCONTINUITY) { 1369 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1370 // We already have some data so save this for later. 1371 mPendingAudioErr = err; 1372 mPendingAudioAccessUnit = accessUnit; 1373 accessUnit.clear(); 1374 ALOGD("feedDecoderInputData() save discontinuity for later"); 1375 break; 1376 } 1377 int32_t type; 1378 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 1379 1380 bool formatChange = 1381 (audio && 1382 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 1383 || (!audio && 1384 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 1385 1386 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 1387 1388 ALOGI("%s discontinuity (formatChange=%d, time=%d)", 1389 audio ? "audio" : "video", formatChange, timeChange); 1390 1391 if (audio) { 1392 mSkipRenderingAudioUntilMediaTimeUs = -1; 1393 } else { 1394 mSkipRenderingVideoUntilMediaTimeUs = -1; 1395 } 1396 1397 if (timeChange) { 1398 sp<AMessage> extra; 1399 if (accessUnit->meta()->findMessage("extra", &extra) 1400 && extra != NULL) { 1401 int64_t resumeAtMediaTimeUs; 1402 if (extra->findInt64( 1403 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 1404 ALOGI("suppressing rendering of %s until %lld us", 1405 audio ? "audio" : "video", resumeAtMediaTimeUs); 1406 1407 if (audio) { 1408 mSkipRenderingAudioUntilMediaTimeUs = 1409 resumeAtMediaTimeUs; 1410 } else { 1411 mSkipRenderingVideoUntilMediaTimeUs = 1412 resumeAtMediaTimeUs; 1413 } 1414 } 1415 } 1416 } 1417 1418 mTimeDiscontinuityPending = 1419 mTimeDiscontinuityPending || timeChange; 1420 1421 bool seamlessFormatChange = false; 1422 sp<AMessage> newFormat = mSource->getFormat(audio); 1423 if (formatChange) { 1424 seamlessFormatChange = 1425 getDecoder(audio)->supportsSeamlessFormatChange(newFormat); 1426 // treat seamless format change separately 1427 formatChange = !seamlessFormatChange; 1428 } 1429 bool shutdownOrFlush = formatChange || timeChange; 1430 1431 // We want to queue up scan-sources only once per discontinuity. 1432 // We control this by doing it only if neither audio nor video are 1433 // flushing or shutting down. (After handling 1st discontinuity, one 1434 // of the flushing states will not be NONE.) 1435 // No need to scan sources if this discontinuity does not result 1436 // in a flush or shutdown, as the flushing state will stay NONE. 1437 if (mFlushingAudio == NONE && mFlushingVideo == NONE && 1438 shutdownOrFlush) { 1439 // And we'll resume scanning sources once we're done 1440 // flushing. 1441 mDeferredActions.push_front( 1442 new SimpleAction( 1443 &NuPlayer::performScanSources)); 1444 } 1445 1446 if (formatChange /* not seamless */) { 1447 // must change decoder 1448 flushDecoder(audio, /* needShutdown = */ true); 1449 } else if (timeChange) { 1450 // need to flush 1451 flushDecoder(audio, /* needShutdown = */ false, newFormat); 1452 err = OK; 1453 } else if (seamlessFormatChange) { 1454 // reuse existing decoder and don't flush 1455 updateDecoderFormatWithoutFlush(audio, newFormat); 1456 err = OK; 1457 } else { 1458 // This stream is unaffected by the discontinuity 1459 return -EWOULDBLOCK; 1460 } 1461 } 1462 1463 reply->setInt32("err", err); 1464 reply->post(); 1465 return OK; 1466 } 1467 1468 if (!audio) { 1469 ++mNumFramesTotal; 1470 } 1471 1472 dropAccessUnit = false; 1473 if (!audio 1474 && !(mSourceFlags & Source::FLAG_SECURE) 1475 && mVideoLateByUs > 100000ll 1476 && mVideoIsAVC 1477 && !IsAVCReferenceFrame(accessUnit)) { 1478 dropAccessUnit = true; 1479 ++mNumFramesDropped; 1480 } 1481 1482 size_t smallSize = accessUnit->size(); 1483 needMoreData = false; 1484 if (doBufferAggregation && (mAggregateBuffer == NULL) 1485 // Don't bother if only room for a few small buffers. 1486 && (smallSize < (kAggregateBufferSizeBytes / 3))) { 1487 // Create a larger buffer for combining smaller buffers from the extractor. 1488 mAggregateBuffer = new ABuffer(kAggregateBufferSizeBytes); 1489 mAggregateBuffer->setRange(0, 0); // start empty 1490 } 1491 1492 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1493 int64_t timeUs; 1494 int64_t dummy; 1495 bool smallTimestampValid = accessUnit->meta()->findInt64("timeUs", &timeUs); 1496 bool bigTimestampValid = mAggregateBuffer->meta()->findInt64("timeUs", &dummy); 1497 // Will the smaller buffer fit? 1498 size_t bigSize = mAggregateBuffer->size(); 1499 size_t roomLeft = mAggregateBuffer->capacity() - bigSize; 1500 // Should we save this small buffer for the next big buffer? 1501 // If the first small buffer did not have a timestamp then save 1502 // any buffer that does have a timestamp until the next big buffer. 1503 if ((smallSize > roomLeft) 1504 || (!bigTimestampValid && (bigSize > 0) && smallTimestampValid)) { 1505 mPendingAudioErr = err; 1506 mPendingAudioAccessUnit = accessUnit; 1507 accessUnit.clear(); 1508 } else { 1509 // Grab time from first small buffer if available. 1510 if ((bigSize == 0) && smallTimestampValid) { 1511 mAggregateBuffer->meta()->setInt64("timeUs", timeUs); 1512 } 1513 // Append small buffer to the bigger buffer. 1514 memcpy(mAggregateBuffer->base() + bigSize, accessUnit->data(), smallSize); 1515 bigSize += smallSize; 1516 mAggregateBuffer->setRange(0, bigSize); 1517 1518 // Keep looping until we run out of room in the mAggregateBuffer. 1519 needMoreData = true; 1520 1521 ALOGV("feedDecoderInputData() smallSize = %zu, bigSize = %zu, capacity = %zu", 1522 smallSize, bigSize, mAggregateBuffer->capacity()); 1523 } 1524 } 1525 } while (dropAccessUnit || needMoreData); 1526 1527 // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 1528 1529#if 0 1530 int64_t mediaTimeUs; 1531 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 1532 ALOGV("feeding %s input buffer at media time %.2f secs", 1533 audio ? "audio" : "video", 1534 mediaTimeUs / 1E6); 1535#endif 1536 1537 if (!audio) { 1538 mCCDecoder->decode(accessUnit); 1539 } 1540 1541 if (doBufferAggregation && (mAggregateBuffer != NULL)) { 1542 ALOGV("feedDecoderInputData() reply with aggregated buffer, %zu", 1543 mAggregateBuffer->size()); 1544 reply->setBuffer("buffer", mAggregateBuffer); 1545 mAggregateBuffer.clear(); 1546 } else { 1547 reply->setBuffer("buffer", accessUnit); 1548 } 1549 1550 reply->post(); 1551 1552 return OK; 1553} 1554 1555void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 1556 // ALOGV("renderBuffer %s", audio ? "audio" : "video"); 1557 1558 sp<AMessage> reply; 1559 CHECK(msg->findMessage("reply", &reply)); 1560 1561 if ((audio && mFlushingAudio != NONE) 1562 || (!audio && mFlushingVideo != NONE)) { 1563 // We're currently attempting to flush the decoder, in order 1564 // to complete this, the decoder wants all its buffers back, 1565 // so we don't want any output buffers it sent us (from before 1566 // we initiated the flush) to be stuck in the renderer's queue. 1567 1568 ALOGV("we're still flushing the %s decoder, sending its output buffer" 1569 " right back.", audio ? "audio" : "video"); 1570 1571 reply->post(); 1572 return; 1573 } 1574 1575 sp<ABuffer> buffer; 1576 CHECK(msg->findBuffer("buffer", &buffer)); 1577 1578 int64_t mediaTimeUs; 1579 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 1580 1581 int64_t &skipUntilMediaTimeUs = 1582 audio 1583 ? mSkipRenderingAudioUntilMediaTimeUs 1584 : mSkipRenderingVideoUntilMediaTimeUs; 1585 1586 if (skipUntilMediaTimeUs >= 0) { 1587 1588 if (mediaTimeUs < skipUntilMediaTimeUs) { 1589 ALOGV("dropping %s buffer at time %lld as requested.", 1590 audio ? "audio" : "video", 1591 mediaTimeUs); 1592 1593 reply->post(); 1594 return; 1595 } 1596 1597 skipUntilMediaTimeUs = -1; 1598 } 1599 1600 if (!audio && mCCDecoder->isSelected()) { 1601 mCCDecoder->display(mediaTimeUs); 1602 } 1603 1604 mRenderer->queueBuffer(audio, buffer, reply); 1605} 1606 1607void NuPlayer::updateVideoSize( 1608 const sp<AMessage> &inputFormat, 1609 const sp<AMessage> &outputFormat) { 1610 if (inputFormat == NULL) { 1611 ALOGW("Unknown video size, reporting 0x0!"); 1612 notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0); 1613 return; 1614 } 1615 1616 int32_t displayWidth, displayHeight; 1617 int32_t cropLeft, cropTop, cropRight, cropBottom; 1618 1619 if (outputFormat != NULL) { 1620 int32_t width, height; 1621 CHECK(outputFormat->findInt32("width", &width)); 1622 CHECK(outputFormat->findInt32("height", &height)); 1623 1624 int32_t cropLeft, cropTop, cropRight, cropBottom; 1625 CHECK(outputFormat->findRect( 1626 "crop", 1627 &cropLeft, &cropTop, &cropRight, &cropBottom)); 1628 1629 displayWidth = cropRight - cropLeft + 1; 1630 displayHeight = cropBottom - cropTop + 1; 1631 1632 ALOGV("Video output format changed to %d x %d " 1633 "(crop: %d x %d @ (%d, %d))", 1634 width, height, 1635 displayWidth, 1636 displayHeight, 1637 cropLeft, cropTop); 1638 } else { 1639 CHECK(inputFormat->findInt32("width", &displayWidth)); 1640 CHECK(inputFormat->findInt32("height", &displayHeight)); 1641 1642 ALOGV("Video input format %d x %d", displayWidth, displayHeight); 1643 } 1644 1645 // Take into account sample aspect ratio if necessary: 1646 int32_t sarWidth, sarHeight; 1647 if (inputFormat->findInt32("sar-width", &sarWidth) 1648 && inputFormat->findInt32("sar-height", &sarHeight)) { 1649 ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight); 1650 1651 displayWidth = (displayWidth * sarWidth) / sarHeight; 1652 1653 ALOGV("display dimensions %d x %d", displayWidth, displayHeight); 1654 } 1655 1656 int32_t rotationDegrees; 1657 if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) { 1658 rotationDegrees = 0; 1659 } 1660 1661 if (rotationDegrees == 90 || rotationDegrees == 270) { 1662 int32_t tmp = displayWidth; 1663 displayWidth = displayHeight; 1664 displayHeight = tmp; 1665 } 1666 1667 notifyListener( 1668 MEDIA_SET_VIDEO_SIZE, 1669 displayWidth, 1670 displayHeight); 1671} 1672 1673void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) { 1674 if (mDriver == NULL) { 1675 return; 1676 } 1677 1678 sp<NuPlayerDriver> driver = mDriver.promote(); 1679 1680 if (driver == NULL) { 1681 return; 1682 } 1683 1684 driver->notifyListener(msg, ext1, ext2, in); 1685} 1686 1687void NuPlayer::flushDecoder( 1688 bool audio, bool needShutdown, const sp<AMessage> &newFormat) { 1689 ALOGV("[%s] flushDecoder needShutdown=%d", 1690 audio ? "audio" : "video", needShutdown); 1691 1692 const sp<Decoder> &decoder = getDecoder(audio); 1693 if (decoder == NULL) { 1694 ALOGI("flushDecoder %s without decoder present", 1695 audio ? "audio" : "video"); 1696 return; 1697 } 1698 1699 // Make sure we don't continue to scan sources until we finish flushing. 1700 ++mScanSourcesGeneration; 1701 mScanSourcesPending = false; 1702 1703 decoder->signalFlush(newFormat); 1704 mRenderer->flush(audio); 1705 1706 FlushStatus newStatus = 1707 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 1708 1709 if (audio) { 1710 ALOGE_IF(mFlushingAudio != NONE, 1711 "audio flushDecoder() is called in state %d", mFlushingAudio); 1712 mFlushingAudio = newStatus; 1713 } else { 1714 ALOGE_IF(mFlushingVideo != NONE, 1715 "video flushDecoder() is called in state %d", mFlushingVideo); 1716 mFlushingVideo = newStatus; 1717 1718 if (mCCDecoder != NULL) { 1719 mCCDecoder->flush(); 1720 } 1721 } 1722} 1723 1724void NuPlayer::updateDecoderFormatWithoutFlush( 1725 bool audio, const sp<AMessage> &format) { 1726 ALOGV("[%s] updateDecoderFormatWithoutFlush", audio ? "audio" : "video"); 1727 1728 const sp<Decoder> &decoder = getDecoder(audio); 1729 if (decoder == NULL) { 1730 ALOGI("updateDecoderFormatWithoutFlush %s without decoder present", 1731 audio ? "audio" : "video"); 1732 return; 1733 } 1734 1735 decoder->signalUpdateFormat(format); 1736} 1737 1738void NuPlayer::queueDecoderShutdown( 1739 bool audio, bool video, const sp<AMessage> &reply) { 1740 ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video); 1741 1742 mDeferredActions.push_back( 1743 new ShutdownDecoderAction(audio, video)); 1744 1745 mDeferredActions.push_back( 1746 new SimpleAction(&NuPlayer::performScanSources)); 1747 1748 mDeferredActions.push_back(new PostMessageAction(reply)); 1749 1750 processDeferredActions(); 1751} 1752 1753status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1754 mVideoScalingMode = mode; 1755 if (mNativeWindow != NULL) { 1756 status_t ret = native_window_set_scaling_mode( 1757 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1758 if (ret != OK) { 1759 ALOGE("Failed to set scaling mode (%d): %s", 1760 -ret, strerror(-ret)); 1761 return ret; 1762 } 1763 } 1764 return OK; 1765} 1766 1767status_t NuPlayer::getTrackInfo(Parcel* reply) const { 1768 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id()); 1769 msg->setPointer("reply", reply); 1770 1771 sp<AMessage> response; 1772 status_t err = msg->postAndAwaitResponse(&response); 1773 return err; 1774} 1775 1776status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const { 1777 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id()); 1778 msg->setPointer("reply", reply); 1779 msg->setInt32("type", type); 1780 1781 sp<AMessage> response; 1782 status_t err = msg->postAndAwaitResponse(&response); 1783 if (err == OK && response != NULL) { 1784 CHECK(response->findInt32("err", &err)); 1785 } 1786 return err; 1787} 1788 1789status_t NuPlayer::selectTrack(size_t trackIndex, bool select) { 1790 sp<AMessage> msg = new AMessage(kWhatSelectTrack, id()); 1791 msg->setSize("trackIndex", trackIndex); 1792 msg->setInt32("select", select); 1793 1794 sp<AMessage> response; 1795 status_t err = msg->postAndAwaitResponse(&response); 1796 1797 if (err != OK) { 1798 return err; 1799 } 1800 1801 if (!response->findInt32("err", &err)) { 1802 err = OK; 1803 } 1804 1805 return err; 1806} 1807 1808sp<MetaData> NuPlayer::getFileMeta() { 1809 return mSource->getFileFormatMeta(); 1810} 1811 1812void NuPlayer::schedulePollDuration() { 1813 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1814 msg->setInt32("generation", mPollDurationGeneration); 1815 msg->post(); 1816} 1817 1818void NuPlayer::cancelPollDuration() { 1819 ++mPollDurationGeneration; 1820} 1821 1822void NuPlayer::processDeferredActions() { 1823 while (!mDeferredActions.empty()) { 1824 // We won't execute any deferred actions until we're no longer in 1825 // an intermediate state, i.e. one more more decoders are currently 1826 // flushing or shutting down. 1827 1828 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 1829 // We're currently flushing, postpone the reset until that's 1830 // completed. 1831 1832 ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d", 1833 mFlushingAudio, mFlushingVideo); 1834 1835 break; 1836 } 1837 1838 sp<Action> action = *mDeferredActions.begin(); 1839 mDeferredActions.erase(mDeferredActions.begin()); 1840 1841 action->execute(this); 1842 } 1843} 1844 1845void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) { 1846 ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)", 1847 seekTimeUs, 1848 seekTimeUs / 1E6, 1849 needNotify); 1850 1851 if (mSource == NULL) { 1852 // This happens when reset occurs right before the loop mode 1853 // asynchronously seeks to the start of the stream. 1854 LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL, 1855 "mSource is NULL and decoders not NULL audio(%p) video(%p)", 1856 mAudioDecoder.get(), mVideoDecoder.get()); 1857 return; 1858 } 1859 mSource->seekTo(seekTimeUs); 1860 ++mTimedTextGeneration; 1861 1862 if (mDriver != NULL) { 1863 sp<NuPlayerDriver> driver = mDriver.promote(); 1864 if (driver != NULL) { 1865 driver->notifyPosition(seekTimeUs); 1866 if (needNotify) { 1867 driver->notifySeekComplete(); 1868 } 1869 } 1870 } 1871 1872 // everything's flushed, continue playback. 1873} 1874 1875void NuPlayer::performDecoderFlush() { 1876 ALOGV("performDecoderFlush"); 1877 1878 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 1879 return; 1880 } 1881 1882 mTimeDiscontinuityPending = true; 1883 1884 if (mAudioDecoder != NULL) { 1885 flushDecoder(true /* audio */, false /* needShutdown */); 1886 } 1887 1888 if (mVideoDecoder != NULL) { 1889 flushDecoder(false /* audio */, false /* needShutdown */); 1890 } 1891} 1892 1893void NuPlayer::performDecoderShutdown(bool audio, bool video) { 1894 ALOGV("performDecoderShutdown audio=%d, video=%d", audio, video); 1895 1896 if ((!audio || mAudioDecoder == NULL) 1897 && (!video || mVideoDecoder == NULL)) { 1898 return; 1899 } 1900 1901 mTimeDiscontinuityPending = true; 1902 1903 if (audio && mAudioDecoder != NULL) { 1904 flushDecoder(true /* audio */, true /* needShutdown */); 1905 } 1906 1907 if (video && mVideoDecoder != NULL) { 1908 flushDecoder(false /* audio */, true /* needShutdown */); 1909 } 1910} 1911 1912void NuPlayer::performReset() { 1913 ALOGV("performReset"); 1914 1915 CHECK(mAudioDecoder == NULL); 1916 CHECK(mVideoDecoder == NULL); 1917 1918 cancelPollDuration(); 1919 1920 ++mScanSourcesGeneration; 1921 mScanSourcesPending = false; 1922 1923 if (mRendererLooper != NULL) { 1924 if (mRenderer != NULL) { 1925 mRendererLooper->unregisterHandler(mRenderer->id()); 1926 } 1927 mRendererLooper->stop(); 1928 mRendererLooper.clear(); 1929 } 1930 mRenderer.clear(); 1931 ++mRendererGeneration; 1932 1933 if (mSource != NULL) { 1934 mSource->stop(); 1935 1936 mSource.clear(); 1937 } 1938 1939 if (mDriver != NULL) { 1940 sp<NuPlayerDriver> driver = mDriver.promote(); 1941 if (driver != NULL) { 1942 driver->notifyResetComplete(); 1943 } 1944 } 1945 1946 mStarted = false; 1947} 1948 1949void NuPlayer::performScanSources() { 1950 ALOGV("performScanSources"); 1951 1952 if (!mStarted) { 1953 return; 1954 } 1955 1956 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 1957 postScanSources(); 1958 } 1959} 1960 1961void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) { 1962 ALOGV("performSetSurface"); 1963 1964 mNativeWindow = wrapper; 1965 1966 // XXX - ignore error from setVideoScalingMode for now 1967 setVideoScalingMode(mVideoScalingMode); 1968 1969 if (mDriver != NULL) { 1970 sp<NuPlayerDriver> driver = mDriver.promote(); 1971 if (driver != NULL) { 1972 driver->notifySetSurfaceComplete(); 1973 } 1974 } 1975} 1976 1977void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { 1978 int32_t what; 1979 CHECK(msg->findInt32("what", &what)); 1980 1981 switch (what) { 1982 case Source::kWhatPrepared: 1983 { 1984 if (mSource == NULL) { 1985 // This is a stale notification from a source that was 1986 // asynchronously preparing when the client called reset(). 1987 // We handled the reset, the source is gone. 1988 break; 1989 } 1990 1991 int32_t err; 1992 CHECK(msg->findInt32("err", &err)); 1993 1994 sp<NuPlayerDriver> driver = mDriver.promote(); 1995 if (driver != NULL) { 1996 // notify duration first, so that it's definitely set when 1997 // the app received the "prepare complete" callback. 1998 int64_t durationUs; 1999 if (mSource->getDuration(&durationUs) == OK) { 2000 driver->notifyDuration(durationUs); 2001 } 2002 driver->notifyPrepareCompleted(err); 2003 } 2004 2005 break; 2006 } 2007 2008 case Source::kWhatFlagsChanged: 2009 { 2010 uint32_t flags; 2011 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 2012 2013 sp<NuPlayerDriver> driver = mDriver.promote(); 2014 if (driver != NULL) { 2015 driver->notifyFlagsChanged(flags); 2016 } 2017 2018 if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 2019 && (!(flags & Source::FLAG_DYNAMIC_DURATION))) { 2020 cancelPollDuration(); 2021 } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 2022 && (flags & Source::FLAG_DYNAMIC_DURATION) 2023 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 2024 schedulePollDuration(); 2025 } 2026 2027 mSourceFlags = flags; 2028 break; 2029 } 2030 2031 case Source::kWhatVideoSizeChanged: 2032 { 2033 sp<AMessage> format; 2034 CHECK(msg->findMessage("format", &format)); 2035 2036 updateVideoSize(format); 2037 break; 2038 } 2039 2040 case Source::kWhatBufferingUpdate: 2041 { 2042 int32_t percentage; 2043 CHECK(msg->findInt32("percentage", &percentage)); 2044 2045 notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0); 2046 break; 2047 } 2048 2049 case Source::kWhatBufferingStart: 2050 { 2051 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0); 2052 break; 2053 } 2054 2055 case Source::kWhatBufferingEnd: 2056 { 2057 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0); 2058 break; 2059 } 2060 2061 case Source::kWhatSubtitleData: 2062 { 2063 sp<ABuffer> buffer; 2064 CHECK(msg->findBuffer("buffer", &buffer)); 2065 2066 sendSubtitleData(buffer, 0 /* baseIndex */); 2067 break; 2068 } 2069 2070 case Source::kWhatTimedTextData: 2071 { 2072 int32_t generation; 2073 if (msg->findInt32("generation", &generation) 2074 && generation != mTimedTextGeneration) { 2075 break; 2076 } 2077 2078 sp<ABuffer> buffer; 2079 CHECK(msg->findBuffer("buffer", &buffer)); 2080 2081 sp<NuPlayerDriver> driver = mDriver.promote(); 2082 if (driver == NULL) { 2083 break; 2084 } 2085 2086 int posMs; 2087 int64_t timeUs, posUs; 2088 driver->getCurrentPosition(&posMs); 2089 posUs = posMs * 1000; 2090 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2091 2092 if (posUs < timeUs) { 2093 if (!msg->findInt32("generation", &generation)) { 2094 msg->setInt32("generation", mTimedTextGeneration); 2095 } 2096 msg->post(timeUs - posUs); 2097 } else { 2098 sendTimedTextData(buffer); 2099 } 2100 break; 2101 } 2102 2103 case Source::kWhatQueueDecoderShutdown: 2104 { 2105 int32_t audio, video; 2106 CHECK(msg->findInt32("audio", &audio)); 2107 CHECK(msg->findInt32("video", &video)); 2108 2109 sp<AMessage> reply; 2110 CHECK(msg->findMessage("reply", &reply)); 2111 2112 queueDecoderShutdown(audio, video, reply); 2113 break; 2114 } 2115 2116 case Source::kWhatDrmNoLicense: 2117 { 2118 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE); 2119 break; 2120 } 2121 2122 default: 2123 TRESPASS(); 2124 } 2125} 2126 2127void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) { 2128 int32_t what; 2129 CHECK(msg->findInt32("what", &what)); 2130 2131 switch (what) { 2132 case NuPlayer::CCDecoder::kWhatClosedCaptionData: 2133 { 2134 sp<ABuffer> buffer; 2135 CHECK(msg->findBuffer("buffer", &buffer)); 2136 2137 size_t inbandTracks = 0; 2138 if (mSource != NULL) { 2139 inbandTracks = mSource->getTrackCount(); 2140 } 2141 2142 sendSubtitleData(buffer, inbandTracks); 2143 break; 2144 } 2145 2146 case NuPlayer::CCDecoder::kWhatTrackAdded: 2147 { 2148 notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); 2149 2150 break; 2151 } 2152 2153 default: 2154 TRESPASS(); 2155 } 2156 2157 2158} 2159 2160void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { 2161 int32_t trackIndex; 2162 int64_t timeUs, durationUs; 2163 CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex)); 2164 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2165 CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); 2166 2167 Parcel in; 2168 in.writeInt32(trackIndex + baseIndex); 2169 in.writeInt64(timeUs); 2170 in.writeInt64(durationUs); 2171 in.writeInt32(buffer->size()); 2172 in.writeInt32(buffer->size()); 2173 in.write(buffer->data(), buffer->size()); 2174 2175 notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); 2176} 2177 2178void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { 2179 const void *data; 2180 size_t size = 0; 2181 int64_t timeUs; 2182 int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS; 2183 2184 AString mime; 2185 CHECK(buffer->meta()->findString("mime", &mime)); 2186 CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0); 2187 2188 data = buffer->data(); 2189 size = buffer->size(); 2190 2191 Parcel parcel; 2192 if (size > 0) { 2193 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2194 flag |= TextDescriptions::IN_BAND_TEXT_3GPP; 2195 TextDescriptions::getParcelOfDescriptions( 2196 (const uint8_t *)data, size, flag, timeUs / 1000, &parcel); 2197 } 2198 2199 if ((parcel.dataSize() > 0)) { 2200 notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel); 2201 } else { // send an empty timed text 2202 notifyListener(MEDIA_TIMED_TEXT, 0, 0); 2203 } 2204} 2205//////////////////////////////////////////////////////////////////////////////// 2206 2207sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 2208 sp<MetaData> meta = getFormatMeta(audio); 2209 2210 if (meta == NULL) { 2211 return NULL; 2212 } 2213 2214 sp<AMessage> msg = new AMessage; 2215 2216 if(convertMetaDataToMessage(meta, &msg) == OK) { 2217 return msg; 2218 } 2219 return NULL; 2220} 2221 2222void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) { 2223 sp<AMessage> notify = dupNotify(); 2224 notify->setInt32("what", kWhatFlagsChanged); 2225 notify->setInt32("flags", flags); 2226 notify->post(); 2227} 2228 2229void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) { 2230 sp<AMessage> notify = dupNotify(); 2231 notify->setInt32("what", kWhatVideoSizeChanged); 2232 notify->setMessage("format", format); 2233 notify->post(); 2234} 2235 2236void NuPlayer::Source::notifyPrepared(status_t err) { 2237 sp<AMessage> notify = dupNotify(); 2238 notify->setInt32("what", kWhatPrepared); 2239 notify->setInt32("err", err); 2240 notify->post(); 2241} 2242 2243void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) { 2244 TRESPASS(); 2245} 2246 2247} // namespace android 2248