NuPlayer.cpp revision b7c8e91880463ff4981e3e53e98e45d68e2fe374
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "NuPlayer" 19#include <utils/Log.h> 20 21#include "NuPlayer.h" 22 23#include "HTTPLiveSource.h" 24#include "NuPlayerDecoder.h" 25#include "NuPlayerDriver.h" 26#include "NuPlayerRenderer.h" 27#include "NuPlayerSource.h" 28#include "RTSPSource.h" 29#include "StreamingSource.h" 30#include "GenericSource.h" 31#include "mp4/MP4Source.h" 32 33#include "ATSParser.h" 34 35#include <cutils/properties.h> // for property_get 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/ACodec.h> 41#include <media/stagefright/MediaDefs.h> 42#include <media/stagefright/MediaErrors.h> 43#include <media/stagefright/MetaData.h> 44#include <gui/ISurfaceTexture.h> 45 46#include "avc_utils.h" 47 48#include "ESDS.h" 49#include <media/stagefright/Utils.h> 50 51namespace android { 52 53//////////////////////////////////////////////////////////////////////////////// 54 55NuPlayer::NuPlayer() 56 : mUIDValid(false), 57 mVideoIsAVC(false), 58 mAudioEOS(false), 59 mVideoEOS(false), 60 mScanSourcesPending(false), 61 mScanSourcesGeneration(0), 62 mPollDurationGeneration(0), 63 mTimeDiscontinuityPending(false), 64 mFlushingAudio(NONE), 65 mFlushingVideo(NONE), 66 mResetInProgress(false), 67 mResetPostponed(false), 68 mSkipRenderingAudioUntilMediaTimeUs(-1ll), 69 mSkipRenderingVideoUntilMediaTimeUs(-1ll), 70 mVideoLateByUs(0ll), 71 mNumFramesTotal(0ll), 72 mNumFramesDropped(0ll), 73 mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW) { 74} 75 76NuPlayer::~NuPlayer() { 77} 78 79void NuPlayer::setUID(uid_t uid) { 80 mUIDValid = true; 81 mUID = uid; 82} 83 84void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 85 mDriver = driver; 86} 87 88void NuPlayer::setDataSource(const sp<IStreamSource> &source) { 89 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 90 91 char prop[PROPERTY_VALUE_MAX]; 92 if (property_get("media.stagefright.use-mp4source", prop, NULL) 93 && (!strcmp(prop, "1") || !strcasecmp(prop, "true"))) { 94 msg->setObject("source", new MP4Source(source)); 95 } else { 96 msg->setObject("source", new StreamingSource(source)); 97 } 98 99 msg->post(); 100} 101 102static bool IsHTTPLiveURL(const char *url) { 103 if (!strncasecmp("http://", url, 7) 104 || !strncasecmp("https://", url, 8)) { 105 size_t len = strlen(url); 106 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 107 return true; 108 } 109 110 if (strstr(url,"m3u8")) { 111 return true; 112 } 113 } 114 115 return false; 116} 117 118void NuPlayer::setDataSource( 119 const char *url, const KeyedVector<String8, String8> *headers) { 120 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 121 122 sp<Source> source; 123 if (IsHTTPLiveURL(url)) { 124 source = new HTTPLiveSource(url, headers, mUIDValid, mUID); 125 } else if (!strncasecmp(url, "rtsp://", 7)) { 126 source = new RTSPSource(url, headers, mUIDValid, mUID); 127 } else { 128 source = new GenericSource(url, headers, mUIDValid, mUID); 129 } 130 131 msg->setObject("source", source); 132 msg->post(); 133} 134 135void NuPlayer::setDataSource(int fd, int64_t offset, int64_t length) { 136 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 137 138 sp<Source> source = new GenericSource(fd, offset, length); 139 msg->setObject("source", source); 140 msg->post(); 141} 142 143void NuPlayer::setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) { 144 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 145 sp<SurfaceTextureClient> surfaceTextureClient(surfaceTexture != NULL ? 146 new SurfaceTextureClient(surfaceTexture) : NULL); 147 msg->setObject("native-window", new NativeWindowWrapper(surfaceTextureClient)); 148 msg->post(); 149} 150 151void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 152 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 153 msg->setObject("sink", sink); 154 msg->post(); 155} 156 157void NuPlayer::start() { 158 (new AMessage(kWhatStart, id()))->post(); 159} 160 161void NuPlayer::pause() { 162 (new AMessage(kWhatPause, id()))->post(); 163} 164 165void NuPlayer::resume() { 166 (new AMessage(kWhatResume, id()))->post(); 167} 168 169void NuPlayer::resetAsync() { 170 (new AMessage(kWhatReset, id()))->post(); 171} 172 173void NuPlayer::seekToAsync(int64_t seekTimeUs) { 174 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 175 msg->setInt64("seekTimeUs", seekTimeUs); 176 msg->post(); 177} 178 179// static 180bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { 181 switch (state) { 182 case FLUSHING_DECODER: 183 if (needShutdown != NULL) { 184 *needShutdown = false; 185 } 186 return true; 187 188 case FLUSHING_DECODER_SHUTDOWN: 189 if (needShutdown != NULL) { 190 *needShutdown = true; 191 } 192 return true; 193 194 default: 195 return false; 196 } 197} 198 199void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 200 switch (msg->what()) { 201 case kWhatSetDataSource: 202 { 203 ALOGV("kWhatSetDataSource"); 204 205 CHECK(mSource == NULL); 206 207 sp<RefBase> obj; 208 CHECK(msg->findObject("source", &obj)); 209 210 mSource = static_cast<Source *>(obj.get()); 211 break; 212 } 213 214 case kWhatPollDuration: 215 { 216 int32_t generation; 217 CHECK(msg->findInt32("generation", &generation)); 218 219 if (generation != mPollDurationGeneration) { 220 // stale 221 break; 222 } 223 224 int64_t durationUs; 225 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 226 sp<NuPlayerDriver> driver = mDriver.promote(); 227 if (driver != NULL) { 228 driver->notifyDuration(durationUs); 229 } 230 } 231 232 msg->post(1000000ll); // poll again in a second. 233 break; 234 } 235 236 case kWhatSetVideoNativeWindow: 237 { 238 ALOGV("kWhatSetVideoNativeWindow"); 239 240 sp<RefBase> obj; 241 CHECK(msg->findObject("native-window", &obj)); 242 243 mNativeWindow = static_cast<NativeWindowWrapper *>(obj.get()); 244 245 // XXX - ignore error from setVideoScalingMode for now 246 setVideoScalingMode(mVideoScalingMode); 247 break; 248 } 249 250 case kWhatSetAudioSink: 251 { 252 ALOGV("kWhatSetAudioSink"); 253 254 sp<RefBase> obj; 255 CHECK(msg->findObject("sink", &obj)); 256 257 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 258 break; 259 } 260 261 case kWhatStart: 262 { 263 ALOGV("kWhatStart"); 264 265 mVideoIsAVC = false; 266 mAudioEOS = false; 267 mVideoEOS = false; 268 mSkipRenderingAudioUntilMediaTimeUs = -1; 269 mSkipRenderingVideoUntilMediaTimeUs = -1; 270 mVideoLateByUs = 0; 271 mNumFramesTotal = 0; 272 mNumFramesDropped = 0; 273 274 mSource->start(); 275 276 mRenderer = new Renderer( 277 mAudioSink, 278 new AMessage(kWhatRendererNotify, id())); 279 280 looper()->registerHandler(mRenderer); 281 282 postScanSources(); 283 break; 284 } 285 286 case kWhatScanSources: 287 { 288 int32_t generation; 289 CHECK(msg->findInt32("generation", &generation)); 290 if (generation != mScanSourcesGeneration) { 291 // Drop obsolete msg. 292 break; 293 } 294 295 mScanSourcesPending = false; 296 297 ALOGV("scanning sources haveAudio=%d, haveVideo=%d", 298 mAudioDecoder != NULL, mVideoDecoder != NULL); 299 300 bool mHadAnySourcesBefore = 301 (mAudioDecoder != NULL) || (mVideoDecoder != NULL); 302 303 if (mNativeWindow != NULL) { 304 instantiateDecoder(false, &mVideoDecoder); 305 } 306 307 if (mAudioSink != NULL) { 308 instantiateDecoder(true, &mAudioDecoder); 309 } 310 311 if (!mHadAnySourcesBefore 312 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 313 // This is the first time we've found anything playable. 314 315 uint32_t flags = mSource->flags(); 316 317 if (flags & Source::FLAG_DYNAMIC_DURATION) { 318 schedulePollDuration(); 319 } 320 } 321 322 status_t err; 323 if ((err = mSource->feedMoreTSData()) != OK) { 324 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 325 // We're not currently decoding anything (no audio or 326 // video tracks found) and we just ran out of input data. 327 328 if (err == ERROR_END_OF_STREAM) { 329 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 330 } else { 331 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 332 } 333 } 334 break; 335 } 336 337 if ((mAudioDecoder == NULL && mAudioSink != NULL) 338 || (mVideoDecoder == NULL && mNativeWindow != NULL)) { 339 msg->post(100000ll); 340 mScanSourcesPending = true; 341 } 342 break; 343 } 344 345 case kWhatVideoNotify: 346 case kWhatAudioNotify: 347 { 348 bool audio = msg->what() == kWhatAudioNotify; 349 350 sp<AMessage> codecRequest; 351 CHECK(msg->findMessage("codec-request", &codecRequest)); 352 353 int32_t what; 354 CHECK(codecRequest->findInt32("what", &what)); 355 356 if (what == ACodec::kWhatFillThisBuffer) { 357 status_t err = feedDecoderInputData( 358 audio, codecRequest); 359 360 if (err == -EWOULDBLOCK) { 361 if (mSource->feedMoreTSData() == OK) { 362 msg->post(10000ll); 363 } 364 } 365 } else if (what == ACodec::kWhatEOS) { 366 int32_t err; 367 CHECK(codecRequest->findInt32("err", &err)); 368 369 if (err == ERROR_END_OF_STREAM) { 370 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); 371 } else { 372 ALOGV("got %s decoder EOS w/ error %d", 373 audio ? "audio" : "video", 374 err); 375 } 376 377 mRenderer->queueEOS(audio, err); 378 } else if (what == ACodec::kWhatFlushCompleted) { 379 bool needShutdown; 380 381 if (audio) { 382 CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); 383 mFlushingAudio = FLUSHED; 384 } else { 385 CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); 386 mFlushingVideo = FLUSHED; 387 388 mVideoLateByUs = 0; 389 } 390 391 ALOGV("decoder %s flush completed", audio ? "audio" : "video"); 392 393 if (needShutdown) { 394 ALOGV("initiating %s decoder shutdown", 395 audio ? "audio" : "video"); 396 397 (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown(); 398 399 if (audio) { 400 mFlushingAudio = SHUTTING_DOWN_DECODER; 401 } else { 402 mFlushingVideo = SHUTTING_DOWN_DECODER; 403 } 404 } 405 406 finishFlushIfPossible(); 407 } else if (what == ACodec::kWhatOutputFormatChanged) { 408 if (audio) { 409 int32_t numChannels; 410 CHECK(codecRequest->findInt32("channel-count", &numChannels)); 411 412 int32_t sampleRate; 413 CHECK(codecRequest->findInt32("sample-rate", &sampleRate)); 414 415 ALOGV("Audio output format changed to %d Hz, %d channels", 416 sampleRate, numChannels); 417 418 mAudioSink->close(); 419 420 audio_output_flags_t flags; 421 int64_t durationUs; 422 // FIXME: we should handle the case where the video decoder is created after 423 // we receive the format change indication. Current code will just make that 424 // we select deep buffer with video which should not be a problem as it should 425 // not prevent from keeping A/V sync. 426 if (mVideoDecoder == NULL && 427 mSource->getDuration(&durationUs) == OK && 428 durationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 429 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 430 } else { 431 flags = AUDIO_OUTPUT_FLAG_NONE; 432 } 433 434 int32_t channelMask; 435 if (!codecRequest->findInt32("channel-mask", &channelMask)) { 436 channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; 437 } 438 439 CHECK_EQ(mAudioSink->open( 440 sampleRate, 441 numChannels, 442 (audio_channel_mask_t)channelMask, 443 AUDIO_FORMAT_PCM_16_BIT, 444 8 /* bufferCount */, 445 NULL, 446 NULL, 447 flags), 448 (status_t)OK); 449 mAudioSink->start(); 450 451 mRenderer->signalAudioSinkChanged(); 452 } else { 453 // video 454 455 int32_t width, height; 456 CHECK(codecRequest->findInt32("width", &width)); 457 CHECK(codecRequest->findInt32("height", &height)); 458 459 int32_t cropLeft, cropTop, cropRight, cropBottom; 460 CHECK(codecRequest->findRect( 461 "crop", 462 &cropLeft, &cropTop, &cropRight, &cropBottom)); 463 464 ALOGV("Video output format changed to %d x %d " 465 "(crop: %d x %d @ (%d, %d))", 466 width, height, 467 (cropRight - cropLeft + 1), 468 (cropBottom - cropTop + 1), 469 cropLeft, cropTop); 470 471 notifyListener( 472 MEDIA_SET_VIDEO_SIZE, 473 cropRight - cropLeft + 1, 474 cropBottom - cropTop + 1); 475 } 476 } else if (what == ACodec::kWhatShutdownCompleted) { 477 ALOGV("%s shutdown completed", audio ? "audio" : "video"); 478 if (audio) { 479 mAudioDecoder.clear(); 480 481 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 482 mFlushingAudio = SHUT_DOWN; 483 } else { 484 mVideoDecoder.clear(); 485 486 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 487 mFlushingVideo = SHUT_DOWN; 488 } 489 490 finishFlushIfPossible(); 491 } else if (what == ACodec::kWhatError) { 492 ALOGE("Received error from %s decoder, aborting playback.", 493 audio ? "audio" : "video"); 494 495 mRenderer->queueEOS(audio, UNKNOWN_ERROR); 496 } else if (what == ACodec::kWhatDrainThisBuffer) { 497 renderBuffer(audio, codecRequest); 498 } else { 499 ALOGV("Unhandled codec notification %d.", what); 500 } 501 502 break; 503 } 504 505 case kWhatRendererNotify: 506 { 507 int32_t what; 508 CHECK(msg->findInt32("what", &what)); 509 510 if (what == Renderer::kWhatEOS) { 511 int32_t audio; 512 CHECK(msg->findInt32("audio", &audio)); 513 514 int32_t finalResult; 515 CHECK(msg->findInt32("finalResult", &finalResult)); 516 517 if (audio) { 518 mAudioEOS = true; 519 } else { 520 mVideoEOS = true; 521 } 522 523 if (finalResult == ERROR_END_OF_STREAM) { 524 ALOGV("reached %s EOS", audio ? "audio" : "video"); 525 } else { 526 ALOGE("%s track encountered an error (%d)", 527 audio ? "audio" : "video", finalResult); 528 529 notifyListener( 530 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 531 } 532 533 if ((mAudioEOS || mAudioDecoder == NULL) 534 && (mVideoEOS || mVideoDecoder == NULL)) { 535 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 536 } 537 } else if (what == Renderer::kWhatPosition) { 538 int64_t positionUs; 539 CHECK(msg->findInt64("positionUs", &positionUs)); 540 541 CHECK(msg->findInt64("videoLateByUs", &mVideoLateByUs)); 542 543 if (mDriver != NULL) { 544 sp<NuPlayerDriver> driver = mDriver.promote(); 545 if (driver != NULL) { 546 driver->notifyPosition(positionUs); 547 548 driver->notifyFrameStats( 549 mNumFramesTotal, mNumFramesDropped); 550 } 551 } 552 } else if (what == Renderer::kWhatFlushComplete) { 553 CHECK_EQ(what, (int32_t)Renderer::kWhatFlushComplete); 554 555 int32_t audio; 556 CHECK(msg->findInt32("audio", &audio)); 557 558 ALOGV("renderer %s flush completed.", audio ? "audio" : "video"); 559 } else if (what == Renderer::kWhatVideoRenderingStart) { 560 notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0); 561 } 562 break; 563 } 564 565 case kWhatMoreDataQueued: 566 { 567 break; 568 } 569 570 case kWhatReset: 571 { 572 ALOGV("kWhatReset"); 573 574 cancelPollDuration(); 575 576 if (mRenderer != NULL) { 577 // There's an edge case where the renderer owns all output 578 // buffers and is paused, therefore the decoder will not read 579 // more input data and will never encounter the matching 580 // discontinuity. To avoid this, we resume the renderer. 581 582 if (mFlushingAudio == AWAITING_DISCONTINUITY 583 || mFlushingVideo == AWAITING_DISCONTINUITY) { 584 mRenderer->resume(); 585 } 586 } 587 588 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 589 // We're currently flushing, postpone the reset until that's 590 // completed. 591 592 ALOGV("postponing reset mFlushingAudio=%d, mFlushingVideo=%d", 593 mFlushingAudio, mFlushingVideo); 594 595 mResetPostponed = true; 596 break; 597 } 598 599 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 600 finishReset(); 601 break; 602 } 603 604 mTimeDiscontinuityPending = true; 605 606 if (mAudioDecoder != NULL) { 607 flushDecoder(true /* audio */, true /* needShutdown */); 608 } 609 610 if (mVideoDecoder != NULL) { 611 flushDecoder(false /* audio */, true /* needShutdown */); 612 } 613 614 mResetInProgress = true; 615 break; 616 } 617 618 case kWhatSeek: 619 { 620 int64_t seekTimeUs; 621 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 622 623 ALOGV("kWhatSeek seekTimeUs=%lld us (%.2f secs)", 624 seekTimeUs, seekTimeUs / 1E6); 625 626 mSource->seekTo(seekTimeUs); 627 628 if (mDriver != NULL) { 629 sp<NuPlayerDriver> driver = mDriver.promote(); 630 if (driver != NULL) { 631 driver->notifySeekComplete(); 632 } 633 } 634 635 break; 636 } 637 638 case kWhatPause: 639 { 640 CHECK(mRenderer != NULL); 641 mRenderer->pause(); 642 break; 643 } 644 645 case kWhatResume: 646 { 647 CHECK(mRenderer != NULL); 648 mRenderer->resume(); 649 break; 650 } 651 652 default: 653 TRESPASS(); 654 break; 655 } 656} 657 658void NuPlayer::finishFlushIfPossible() { 659 if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) { 660 return; 661 } 662 663 if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) { 664 return; 665 } 666 667 ALOGV("both audio and video are flushed now."); 668 669 if (mTimeDiscontinuityPending) { 670 mRenderer->signalTimeDiscontinuity(); 671 mTimeDiscontinuityPending = false; 672 } 673 674 if (mAudioDecoder != NULL) { 675 mAudioDecoder->signalResume(); 676 } 677 678 if (mVideoDecoder != NULL) { 679 mVideoDecoder->signalResume(); 680 } 681 682 mFlushingAudio = NONE; 683 mFlushingVideo = NONE; 684 685 if (mResetInProgress) { 686 ALOGV("reset completed"); 687 688 mResetInProgress = false; 689 finishReset(); 690 } else if (mResetPostponed) { 691 (new AMessage(kWhatReset, id()))->post(); 692 mResetPostponed = false; 693 } else if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 694 postScanSources(); 695 } 696} 697 698void NuPlayer::finishReset() { 699 CHECK(mAudioDecoder == NULL); 700 CHECK(mVideoDecoder == NULL); 701 702 ++mScanSourcesGeneration; 703 mScanSourcesPending = false; 704 705 mRenderer.clear(); 706 707 if (mSource != NULL) { 708 mSource->stop(); 709 mSource.clear(); 710 } 711 712 if (mDriver != NULL) { 713 sp<NuPlayerDriver> driver = mDriver.promote(); 714 if (driver != NULL) { 715 driver->notifyResetComplete(); 716 } 717 } 718} 719 720void NuPlayer::postScanSources() { 721 if (mScanSourcesPending) { 722 return; 723 } 724 725 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 726 msg->setInt32("generation", mScanSourcesGeneration); 727 msg->post(); 728 729 mScanSourcesPending = true; 730} 731 732status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { 733 if (*decoder != NULL) { 734 return OK; 735 } 736 737 sp<AMessage> format = mSource->getFormat(audio); 738 739 if (format == NULL) { 740 return -EWOULDBLOCK; 741 } 742 743 if (!audio) { 744 AString mime; 745 CHECK(format->findString("mime", &mime)); 746 mVideoIsAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 747 } 748 749 sp<AMessage> notify = 750 new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify, 751 id()); 752 753 *decoder = audio ? new Decoder(notify) : 754 new Decoder(notify, mNativeWindow); 755 looper()->registerHandler(*decoder); 756 757 (*decoder)->configure(format); 758 759 int64_t durationUs; 760 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 761 sp<NuPlayerDriver> driver = mDriver.promote(); 762 if (driver != NULL) { 763 driver->notifyDuration(durationUs); 764 } 765 } 766 767 return OK; 768} 769 770status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { 771 sp<AMessage> reply; 772 CHECK(msg->findMessage("reply", &reply)); 773 774 if ((audio && IsFlushingState(mFlushingAudio)) 775 || (!audio && IsFlushingState(mFlushingVideo))) { 776 reply->setInt32("err", INFO_DISCONTINUITY); 777 reply->post(); 778 return OK; 779 } 780 781 sp<ABuffer> accessUnit; 782 783 bool dropAccessUnit; 784 do { 785 status_t err = mSource->dequeueAccessUnit(audio, &accessUnit); 786 787 if (err == -EWOULDBLOCK) { 788 return err; 789 } else if (err != OK) { 790 if (err == INFO_DISCONTINUITY) { 791 int32_t type; 792 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 793 794 bool formatChange = 795 (audio && 796 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 797 || (!audio && 798 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 799 800 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 801 802 ALOGI("%s discontinuity (formatChange=%d, time=%d)", 803 audio ? "audio" : "video", formatChange, timeChange); 804 805 if (audio) { 806 mSkipRenderingAudioUntilMediaTimeUs = -1; 807 } else { 808 mSkipRenderingVideoUntilMediaTimeUs = -1; 809 } 810 811 if (timeChange) { 812 sp<AMessage> extra; 813 if (accessUnit->meta()->findMessage("extra", &extra) 814 && extra != NULL) { 815 int64_t resumeAtMediaTimeUs; 816 if (extra->findInt64( 817 "resume-at-mediatimeUs", &resumeAtMediaTimeUs)) { 818 ALOGI("suppressing rendering of %s until %lld us", 819 audio ? "audio" : "video", resumeAtMediaTimeUs); 820 821 if (audio) { 822 mSkipRenderingAudioUntilMediaTimeUs = 823 resumeAtMediaTimeUs; 824 } else { 825 mSkipRenderingVideoUntilMediaTimeUs = 826 resumeAtMediaTimeUs; 827 } 828 } 829 } 830 } 831 832 mTimeDiscontinuityPending = 833 mTimeDiscontinuityPending || timeChange; 834 835 if (formatChange || timeChange) { 836 flushDecoder(audio, formatChange); 837 } else { 838 // This stream is unaffected by the discontinuity 839 840 if (audio) { 841 mFlushingAudio = FLUSHED; 842 } else { 843 mFlushingVideo = FLUSHED; 844 } 845 846 finishFlushIfPossible(); 847 848 return -EWOULDBLOCK; 849 } 850 } 851 852 reply->setInt32("err", err); 853 reply->post(); 854 return OK; 855 } 856 857 if (!audio) { 858 ++mNumFramesTotal; 859 } 860 861 dropAccessUnit = false; 862 if (!audio 863 && mVideoLateByUs > 100000ll 864 && mVideoIsAVC 865 && !IsAVCReferenceFrame(accessUnit)) { 866 dropAccessUnit = true; 867 ++mNumFramesDropped; 868 } 869 } while (dropAccessUnit); 870 871 // ALOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); 872 873#if 0 874 int64_t mediaTimeUs; 875 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 876 ALOGV("feeding %s input buffer at media time %.2f secs", 877 audio ? "audio" : "video", 878 mediaTimeUs / 1E6); 879#endif 880 881 reply->setBuffer("buffer", accessUnit); 882 reply->post(); 883 884 return OK; 885} 886 887void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { 888 // ALOGV("renderBuffer %s", audio ? "audio" : "video"); 889 890 sp<AMessage> reply; 891 CHECK(msg->findMessage("reply", &reply)); 892 893 if (IsFlushingState(audio ? mFlushingAudio : mFlushingVideo)) { 894 // We're currently attempting to flush the decoder, in order 895 // to complete this, the decoder wants all its buffers back, 896 // so we don't want any output buffers it sent us (from before 897 // we initiated the flush) to be stuck in the renderer's queue. 898 899 ALOGV("we're still flushing the %s decoder, sending its output buffer" 900 " right back.", audio ? "audio" : "video"); 901 902 reply->post(); 903 return; 904 } 905 906 sp<ABuffer> buffer; 907 CHECK(msg->findBuffer("buffer", &buffer)); 908 909 int64_t &skipUntilMediaTimeUs = 910 audio 911 ? mSkipRenderingAudioUntilMediaTimeUs 912 : mSkipRenderingVideoUntilMediaTimeUs; 913 914 if (skipUntilMediaTimeUs >= 0) { 915 int64_t mediaTimeUs; 916 CHECK(buffer->meta()->findInt64("timeUs", &mediaTimeUs)); 917 918 if (mediaTimeUs < skipUntilMediaTimeUs) { 919 ALOGV("dropping %s buffer at time %lld as requested.", 920 audio ? "audio" : "video", 921 mediaTimeUs); 922 923 reply->post(); 924 return; 925 } 926 927 skipUntilMediaTimeUs = -1; 928 } 929 930 mRenderer->queueBuffer(audio, buffer, reply); 931} 932 933void NuPlayer::notifyListener(int msg, int ext1, int ext2) { 934 if (mDriver == NULL) { 935 return; 936 } 937 938 sp<NuPlayerDriver> driver = mDriver.promote(); 939 940 if (driver == NULL) { 941 return; 942 } 943 944 driver->notifyListener(msg, ext1, ext2); 945} 946 947void NuPlayer::flushDecoder(bool audio, bool needShutdown) { 948 if ((audio && mAudioDecoder == NULL) || (!audio && mVideoDecoder == NULL)) { 949 ALOGI("flushDecoder %s without decoder present", 950 audio ? "audio" : "video"); 951 } 952 953 // Make sure we don't continue to scan sources until we finish flushing. 954 ++mScanSourcesGeneration; 955 mScanSourcesPending = false; 956 957 (audio ? mAudioDecoder : mVideoDecoder)->signalFlush(); 958 mRenderer->flush(audio); 959 960 FlushStatus newStatus = 961 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 962 963 if (audio) { 964 CHECK(mFlushingAudio == NONE 965 || mFlushingAudio == AWAITING_DISCONTINUITY); 966 967 mFlushingAudio = newStatus; 968 969 if (mFlushingVideo == NONE) { 970 mFlushingVideo = (mVideoDecoder != NULL) 971 ? AWAITING_DISCONTINUITY 972 : FLUSHED; 973 } 974 } else { 975 CHECK(mFlushingVideo == NONE 976 || mFlushingVideo == AWAITING_DISCONTINUITY); 977 978 mFlushingVideo = newStatus; 979 980 if (mFlushingAudio == NONE) { 981 mFlushingAudio = (mAudioDecoder != NULL) 982 ? AWAITING_DISCONTINUITY 983 : FLUSHED; 984 } 985 } 986} 987 988sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 989 sp<MetaData> meta = getFormatMeta(audio); 990 991 if (meta == NULL) { 992 return NULL; 993 } 994 995 sp<AMessage> msg = new AMessage; 996 997 if(convertMetaDataToMessage(meta, &msg) == OK) { 998 return msg; 999 } 1000 return NULL; 1001} 1002 1003status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1004 mVideoScalingMode = mode; 1005 if (mNativeWindow != NULL 1006 && mNativeWindow->getNativeWindow() != NULL) { 1007 status_t ret = native_window_set_scaling_mode( 1008 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1009 if (ret != OK) { 1010 ALOGE("Failed to set scaling mode (%d): %s", 1011 -ret, strerror(-ret)); 1012 return ret; 1013 } 1014 } 1015 return OK; 1016} 1017 1018void NuPlayer::schedulePollDuration() { 1019 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1020 msg->setInt32("generation", mPollDurationGeneration); 1021 msg->post(); 1022} 1023 1024void NuPlayer::cancelPollDuration() { 1025 ++mPollDurationGeneration; 1026} 1027 1028} // namespace android 1029