NuPlayerDecoder.cpp revision 0a7989f5691f161fff97dd550eb602e44a6e6185
1/* 2 * Copyright 2014 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 "NuPlayerDecoder" 19#include <utils/Log.h> 20#include <inttypes.h> 21 22#include "NuPlayerCCDecoder.h" 23#include "NuPlayerDecoder.h" 24#include "NuPlayerRenderer.h" 25#include "NuPlayerSource.h" 26 27#include <media/ICrypto.h> 28#include <media/stagefright/foundation/ABuffer.h> 29#include <media/stagefright/foundation/ADebug.h> 30#include <media/stagefright/foundation/AMessage.h> 31#include <media/stagefright/MediaBuffer.h> 32#include <media/stagefright/MediaCodec.h> 33#include <media/stagefright/MediaDefs.h> 34#include <media/stagefright/MediaErrors.h> 35 36#include <gui/Surface.h> 37 38#include "avc_utils.h" 39#include "ATSParser.h" 40 41namespace android { 42 43NuPlayer::Decoder::Decoder( 44 const sp<AMessage> ¬ify, 45 const sp<Source> &source, 46 const sp<Renderer> &renderer, 47 const sp<Surface> &surface, 48 const sp<CCDecoder> &ccDecoder) 49 : DecoderBase(notify), 50 mSurface(surface), 51 mSource(source), 52 mRenderer(renderer), 53 mCCDecoder(ccDecoder), 54 mSkipRenderingUntilMediaTimeUs(-1ll), 55 mNumFramesTotal(0ll), 56 mNumFramesDropped(0ll), 57 mIsAudio(true), 58 mIsVideoAVC(false), 59 mIsSecure(false), 60 mFormatChangePending(false), 61 mTimeChangePending(false), 62 mPaused(true), 63 mResumePending(false), 64 mComponentName("decoder") { 65 mCodecLooper = new ALooper; 66 mCodecLooper->setName("NPDecoder-CL"); 67 mCodecLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 68} 69 70NuPlayer::Decoder::~Decoder() { 71 mCodec->release(); 72 releaseAndResetMediaBuffers(); 73} 74 75void NuPlayer::Decoder::getStats( 76 int64_t *numFramesTotal, 77 int64_t *numFramesDropped) const { 78 *numFramesTotal = mNumFramesTotal; 79 *numFramesDropped = mNumFramesDropped; 80} 81 82void NuPlayer::Decoder::onMessageReceived(const sp<AMessage> &msg) { 83 ALOGV("[%s] onMessage: %s", mComponentName.c_str(), msg->debugString().c_str()); 84 85 switch (msg->what()) { 86 case kWhatCodecNotify: 87 { 88 int32_t cbID; 89 CHECK(msg->findInt32("callbackID", &cbID)); 90 91 ALOGV("[%s] kWhatCodecNotify: cbID = %d, paused = %d", 92 mIsAudio ? "audio" : "video", cbID, mPaused); 93 94 if (mPaused) { 95 break; 96 } 97 98 switch (cbID) { 99 case MediaCodec::CB_INPUT_AVAILABLE: 100 { 101 int32_t index; 102 CHECK(msg->findInt32("index", &index)); 103 104 handleAnInputBuffer(index); 105 break; 106 } 107 108 case MediaCodec::CB_OUTPUT_AVAILABLE: 109 { 110 int32_t index; 111 size_t offset; 112 size_t size; 113 int64_t timeUs; 114 int32_t flags; 115 116 CHECK(msg->findInt32("index", &index)); 117 CHECK(msg->findSize("offset", &offset)); 118 CHECK(msg->findSize("size", &size)); 119 CHECK(msg->findInt64("timeUs", &timeUs)); 120 CHECK(msg->findInt32("flags", &flags)); 121 122 handleAnOutputBuffer(index, offset, size, timeUs, flags); 123 break; 124 } 125 126 case MediaCodec::CB_OUTPUT_FORMAT_CHANGED: 127 { 128 sp<AMessage> format; 129 CHECK(msg->findMessage("format", &format)); 130 131 handleOutputFormatChange(format); 132 break; 133 } 134 135 case MediaCodec::CB_ERROR: 136 { 137 status_t err; 138 CHECK(msg->findInt32("err", &err)); 139 ALOGE("Decoder (%s) reported error : 0x%x", 140 mIsAudio ? "audio" : "video", err); 141 142 handleError(err); 143 break; 144 } 145 146 default: 147 { 148 TRESPASS(); 149 break; 150 } 151 } 152 153 break; 154 } 155 156 case kWhatRenderBuffer: 157 { 158 if (!isStaleReply(msg)) { 159 onRenderBuffer(msg); 160 } 161 break; 162 } 163 164 default: 165 DecoderBase::onMessageReceived(msg); 166 break; 167 } 168} 169 170void NuPlayer::Decoder::onConfigure(const sp<AMessage> &format) { 171 CHECK(mCodec == NULL); 172 173 mFormatChangePending = false; 174 mTimeChangePending = false; 175 176 ++mBufferGeneration; 177 178 AString mime; 179 CHECK(format->findString("mime", &mime)); 180 181 mIsAudio = !strncasecmp("audio/", mime.c_str(), 6); 182 mIsVideoAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 183 184 mComponentName = mime; 185 mComponentName.append(" decoder"); 186 ALOGV("[%s] onConfigure (surface=%p)", mComponentName.c_str(), mSurface.get()); 187 188 mCodec = MediaCodec::CreateByType(mCodecLooper, mime.c_str(), false /* encoder */); 189 int32_t secure = 0; 190 if (format->findInt32("secure", &secure) && secure != 0) { 191 if (mCodec != NULL) { 192 mCodec->getName(&mComponentName); 193 mComponentName.append(".secure"); 194 mCodec->release(); 195 ALOGI("[%s] creating", mComponentName.c_str()); 196 mCodec = MediaCodec::CreateByComponentName( 197 mCodecLooper, mComponentName.c_str()); 198 } 199 } 200 if (mCodec == NULL) { 201 ALOGE("Failed to create %s%s decoder", 202 (secure ? "secure " : ""), mime.c_str()); 203 handleError(UNKNOWN_ERROR); 204 return; 205 } 206 mIsSecure = secure; 207 208 mCodec->getName(&mComponentName); 209 210 status_t err; 211 if (mSurface != NULL) { 212 // disconnect from surface as MediaCodec will reconnect 213 err = native_window_api_disconnect( 214 mSurface.get(), NATIVE_WINDOW_API_MEDIA); 215 // We treat this as a warning, as this is a preparatory step. 216 // Codec will try to connect to the surface, which is where 217 // any error signaling will occur. 218 ALOGW_IF(err != OK, "failed to disconnect from surface: %d", err); 219 } 220 err = mCodec->configure( 221 format, mSurface, NULL /* crypto */, 0 /* flags */); 222 if (err != OK) { 223 ALOGE("Failed to configure %s decoder (err=%d)", mComponentName.c_str(), err); 224 mCodec->release(); 225 mCodec.clear(); 226 handleError(err); 227 return; 228 } 229 rememberCodecSpecificData(format); 230 231 // the following should work in configured state 232 CHECK_EQ((status_t)OK, mCodec->getOutputFormat(&mOutputFormat)); 233 CHECK_EQ((status_t)OK, mCodec->getInputFormat(&mInputFormat)); 234 235 sp<AMessage> reply = new AMessage(kWhatCodecNotify, this); 236 mCodec->setCallback(reply); 237 238 err = mCodec->start(); 239 if (err != OK) { 240 ALOGE("Failed to start %s decoder (err=%d)", mComponentName.c_str(), err); 241 mCodec->release(); 242 mCodec.clear(); 243 handleError(err); 244 return; 245 } 246 247 releaseAndResetMediaBuffers(); 248 249 mPaused = false; 250 mResumePending = false; 251} 252 253void NuPlayer::Decoder::onSetParameters(const sp<AMessage> ¶ms) { 254 if (mCodec == NULL) { 255 ALOGW("onSetParameters called before codec is created."); 256 return; 257 } 258 mCodec->setParameters(params); 259} 260 261void NuPlayer::Decoder::onSetRenderer(const sp<Renderer> &renderer) { 262 bool hadNoRenderer = (mRenderer == NULL); 263 mRenderer = renderer; 264 if (hadNoRenderer && mRenderer != NULL) { 265 // this means that the widevine legacy source is ready 266 onRequestInputBuffers(); 267 } 268} 269 270void NuPlayer::Decoder::onGetInputBuffers( 271 Vector<sp<ABuffer> > *dstBuffers) { 272 CHECK_EQ((status_t)OK, mCodec->getWidevineLegacyBuffers(dstBuffers)); 273} 274 275void NuPlayer::Decoder::onResume(bool notifyComplete) { 276 mPaused = false; 277 278 if (notifyComplete) { 279 mResumePending = true; 280 } 281 mCodec->start(); 282} 283 284void NuPlayer::Decoder::doFlush(bool notifyComplete) { 285 if (mCCDecoder != NULL) { 286 mCCDecoder->flush(); 287 } 288 289 if (mRenderer != NULL) { 290 mRenderer->flush(mIsAudio, notifyComplete); 291 mRenderer->signalTimeDiscontinuity(); 292 } 293 294 status_t err = OK; 295 if (mCodec != NULL) { 296 err = mCodec->flush(); 297 mCSDsToSubmit = mCSDsForCurrentFormat; // copy operator 298 ++mBufferGeneration; 299 } 300 301 if (err != OK) { 302 ALOGE("failed to flush %s (err=%d)", mComponentName.c_str(), err); 303 handleError(err); 304 // finish with posting kWhatFlushCompleted. 305 // we attempt to release the buffers even if flush fails. 306 } 307 releaseAndResetMediaBuffers(); 308 mPaused = true; 309} 310 311 312void NuPlayer::Decoder::onFlush() { 313 doFlush(true); 314 315 if (isDiscontinuityPending()) { 316 // This could happen if the client starts seeking/shutdown 317 // after we queued an EOS for discontinuities. 318 // We can consider discontinuity handled. 319 finishHandleDiscontinuity(false /* flushOnTimeChange */); 320 } 321 322 sp<AMessage> notify = mNotify->dup(); 323 notify->setInt32("what", kWhatFlushCompleted); 324 notify->post(); 325} 326 327void NuPlayer::Decoder::onShutdown(bool notifyComplete) { 328 status_t err = OK; 329 330 // if there is a pending resume request, notify complete now 331 notifyResumeCompleteIfNecessary(); 332 333 if (mCodec != NULL) { 334 err = mCodec->release(); 335 mCodec = NULL; 336 ++mBufferGeneration; 337 338 if (mSurface != NULL) { 339 // reconnect to surface as MediaCodec disconnected from it 340 status_t error = 341 native_window_api_connect(mSurface.get(), NATIVE_WINDOW_API_MEDIA); 342 ALOGW_IF(error != NO_ERROR, 343 "[%s] failed to connect to native window, error=%d", 344 mComponentName.c_str(), error); 345 } 346 mComponentName = "decoder"; 347 } 348 349 releaseAndResetMediaBuffers(); 350 351 if (err != OK) { 352 ALOGE("failed to release %s (err=%d)", mComponentName.c_str(), err); 353 handleError(err); 354 // finish with posting kWhatShutdownCompleted. 355 } 356 357 if (notifyComplete) { 358 sp<AMessage> notify = mNotify->dup(); 359 notify->setInt32("what", kWhatShutdownCompleted); 360 notify->post(); 361 mPaused = true; 362 } 363} 364 365/* 366 * returns true if we should request more data 367 */ 368bool NuPlayer::Decoder::doRequestBuffers() { 369 // mRenderer is only NULL if we have a legacy widevine source that 370 // is not yet ready. In this case we must not fetch input. 371 if (isDiscontinuityPending() || mRenderer == NULL) { 372 return false; 373 } 374 status_t err = OK; 375 while (err == OK && !mDequeuedInputBuffers.empty()) { 376 size_t bufferIx = *mDequeuedInputBuffers.begin(); 377 sp<AMessage> msg = new AMessage(); 378 msg->setSize("buffer-ix", bufferIx); 379 err = fetchInputData(msg); 380 if (err != OK && err != ERROR_END_OF_STREAM) { 381 // if EOS, need to queue EOS buffer 382 break; 383 } 384 mDequeuedInputBuffers.erase(mDequeuedInputBuffers.begin()); 385 386 if (!mPendingInputMessages.empty() 387 || !onInputBufferFetched(msg)) { 388 mPendingInputMessages.push_back(msg); 389 } 390 } 391 392 return err == -EWOULDBLOCK 393 && mSource->feedMoreTSData() == OK; 394} 395 396void NuPlayer::Decoder::handleError(int32_t err) 397{ 398 // We cannot immediately release the codec due to buffers still outstanding 399 // in the renderer. We signal to the player the error so it can shutdown/release the 400 // decoder after flushing and increment the generation to discard unnecessary messages. 401 402 ++mBufferGeneration; 403 404 sp<AMessage> notify = mNotify->dup(); 405 notify->setInt32("what", kWhatError); 406 notify->setInt32("err", err); 407 notify->post(); 408} 409 410bool NuPlayer::Decoder::handleAnInputBuffer(size_t index) { 411 if (isDiscontinuityPending()) { 412 return false; 413 } 414 415 sp<ABuffer> buffer; 416 mCodec->getInputBuffer(index, &buffer); 417 418 if (buffer == NULL) { 419 handleError(UNKNOWN_ERROR); 420 return false; 421 } 422 423 if (index >= mInputBuffers.size()) { 424 for (size_t i = mInputBuffers.size(); i <= index; ++i) { 425 mInputBuffers.add(); 426 mMediaBuffers.add(); 427 mInputBufferIsDequeued.add(); 428 mMediaBuffers.editItemAt(i) = NULL; 429 mInputBufferIsDequeued.editItemAt(i) = false; 430 } 431 } 432 mInputBuffers.editItemAt(index) = buffer; 433 434 //CHECK_LT(bufferIx, mInputBuffers.size()); 435 436 if (mMediaBuffers[index] != NULL) { 437 mMediaBuffers[index]->release(); 438 mMediaBuffers.editItemAt(index) = NULL; 439 } 440 mInputBufferIsDequeued.editItemAt(index) = true; 441 442 if (!mCSDsToSubmit.isEmpty()) { 443 sp<AMessage> msg = new AMessage(); 444 msg->setSize("buffer-ix", index); 445 446 sp<ABuffer> buffer = mCSDsToSubmit.itemAt(0); 447 ALOGI("[%s] resubmitting CSD", mComponentName.c_str()); 448 msg->setBuffer("buffer", buffer); 449 mCSDsToSubmit.removeAt(0); 450 CHECK(onInputBufferFetched(msg)); 451 return true; 452 } 453 454 while (!mPendingInputMessages.empty()) { 455 sp<AMessage> msg = *mPendingInputMessages.begin(); 456 if (!onInputBufferFetched(msg)) { 457 break; 458 } 459 mPendingInputMessages.erase(mPendingInputMessages.begin()); 460 } 461 462 if (!mInputBufferIsDequeued.editItemAt(index)) { 463 return true; 464 } 465 466 mDequeuedInputBuffers.push_back(index); 467 468 onRequestInputBuffers(); 469 return true; 470} 471 472bool NuPlayer::Decoder::handleAnOutputBuffer( 473 size_t index, 474 size_t offset, 475 size_t size, 476 int64_t timeUs, 477 int32_t flags) { 478// CHECK_LT(bufferIx, mOutputBuffers.size()); 479 sp<ABuffer> buffer; 480 mCodec->getOutputBuffer(index, &buffer); 481 482 if (index >= mOutputBuffers.size()) { 483 for (size_t i = mOutputBuffers.size(); i <= index; ++i) { 484 mOutputBuffers.add(); 485 } 486 } 487 488 mOutputBuffers.editItemAt(index) = buffer; 489 490 buffer->setRange(offset, size); 491 buffer->meta()->clear(); 492 buffer->meta()->setInt64("timeUs", timeUs); 493 494 bool eos = flags & MediaCodec::BUFFER_FLAG_EOS; 495 // we do not expect CODECCONFIG or SYNCFRAME for decoder 496 497 sp<AMessage> reply = new AMessage(kWhatRenderBuffer, this); 498 reply->setSize("buffer-ix", index); 499 reply->setInt32("generation", mBufferGeneration); 500 501 if (eos) { 502 ALOGI("[%s] saw output EOS", mIsAudio ? "audio" : "video"); 503 504 buffer->meta()->setInt32("eos", true); 505 reply->setInt32("eos", true); 506 } else if (mSkipRenderingUntilMediaTimeUs >= 0) { 507 if (timeUs < mSkipRenderingUntilMediaTimeUs) { 508 ALOGV("[%s] dropping buffer at time %lld as requested.", 509 mComponentName.c_str(), (long long)timeUs); 510 511 reply->post(); 512 return true; 513 } 514 515 mSkipRenderingUntilMediaTimeUs = -1; 516 } 517 518 // wait until 1st frame comes out to signal resume complete 519 notifyResumeCompleteIfNecessary(); 520 521 if (mRenderer != NULL) { 522 // send the buffer to renderer. 523 mRenderer->queueBuffer(mIsAudio, buffer, reply); 524 if (eos && !isDiscontinuityPending()) { 525 mRenderer->queueEOS(mIsAudio, ERROR_END_OF_STREAM); 526 } 527 } 528 529 return true; 530} 531 532void NuPlayer::Decoder::handleOutputFormatChange(const sp<AMessage> &format) { 533 if (!mIsAudio) { 534 sp<AMessage> notify = mNotify->dup(); 535 notify->setInt32("what", kWhatVideoSizeChanged); 536 notify->setMessage("format", format); 537 notify->post(); 538 } else if (mRenderer != NULL) { 539 uint32_t flags; 540 int64_t durationUs; 541 bool hasVideo = (mSource->getFormat(false /* audio */) != NULL); 542 if (!hasVideo && 543 mSource->getDuration(&durationUs) == OK && 544 durationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) { 545 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 546 } else { 547 flags = AUDIO_OUTPUT_FLAG_NONE; 548 } 549 550 mRenderer->openAudioSink( 551 format, false /* offloadOnly */, hasVideo, flags, NULL /* isOffloaed */); 552 } 553} 554 555void NuPlayer::Decoder::releaseAndResetMediaBuffers() { 556 for (size_t i = 0; i < mMediaBuffers.size(); i++) { 557 if (mMediaBuffers[i] != NULL) { 558 mMediaBuffers[i]->release(); 559 mMediaBuffers.editItemAt(i) = NULL; 560 } 561 } 562 mMediaBuffers.resize(mInputBuffers.size()); 563 for (size_t i = 0; i < mMediaBuffers.size(); i++) { 564 mMediaBuffers.editItemAt(i) = NULL; 565 } 566 mInputBufferIsDequeued.clear(); 567 mInputBufferIsDequeued.resize(mInputBuffers.size()); 568 for (size_t i = 0; i < mInputBufferIsDequeued.size(); i++) { 569 mInputBufferIsDequeued.editItemAt(i) = false; 570 } 571 572 mPendingInputMessages.clear(); 573 mDequeuedInputBuffers.clear(); 574 mSkipRenderingUntilMediaTimeUs = -1; 575} 576 577void NuPlayer::Decoder::requestCodecNotification() { 578 if (mCodec != NULL) { 579 sp<AMessage> reply = new AMessage(kWhatCodecNotify, this); 580 reply->setInt32("generation", mBufferGeneration); 581 mCodec->requestActivityNotification(reply); 582 } 583} 584 585bool NuPlayer::Decoder::isStaleReply(const sp<AMessage> &msg) { 586 int32_t generation; 587 CHECK(msg->findInt32("generation", &generation)); 588 return generation != mBufferGeneration; 589} 590 591status_t NuPlayer::Decoder::fetchInputData(sp<AMessage> &reply) { 592 sp<ABuffer> accessUnit; 593 bool dropAccessUnit; 594 do { 595 status_t err = mSource->dequeueAccessUnit(mIsAudio, &accessUnit); 596 597 if (err == -EWOULDBLOCK) { 598 return err; 599 } else if (err != OK) { 600 if (err == INFO_DISCONTINUITY) { 601 int32_t type; 602 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 603 604 bool formatChange = 605 (mIsAudio && 606 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 607 || (!mIsAudio && 608 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 609 610 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 611 612 ALOGI("%s discontinuity (format=%d, time=%d)", 613 mIsAudio ? "audio" : "video", formatChange, timeChange); 614 615 bool seamlessFormatChange = false; 616 sp<AMessage> newFormat = mSource->getFormat(mIsAudio); 617 if (formatChange) { 618 seamlessFormatChange = 619 supportsSeamlessFormatChange(newFormat); 620 // treat seamless format change separately 621 formatChange = !seamlessFormatChange; 622 } 623 624 // For format or time change, return EOS to queue EOS input, 625 // then wait for EOS on output. 626 if (formatChange /* not seamless */) { 627 mFormatChangePending = true; 628 err = ERROR_END_OF_STREAM; 629 } else if (timeChange) { 630 rememberCodecSpecificData(newFormat); 631 mTimeChangePending = true; 632 err = ERROR_END_OF_STREAM; 633 } else if (seamlessFormatChange) { 634 // reuse existing decoder and don't flush 635 rememberCodecSpecificData(newFormat); 636 continue; 637 } else { 638 // This stream is unaffected by the discontinuity 639 return -EWOULDBLOCK; 640 } 641 } 642 643 // reply should only be returned without a buffer set 644 // when there is an error (including EOS) 645 CHECK(err != OK); 646 647 reply->setInt32("err", err); 648 return ERROR_END_OF_STREAM; 649 } 650 651 if (!mIsAudio) { 652 ++mNumFramesTotal; 653 } 654 655 dropAccessUnit = false; 656 if (!mIsAudio 657 && !mIsSecure 658 && mRenderer->getVideoLateByUs() > 100000ll 659 && mIsVideoAVC 660 && !IsAVCReferenceFrame(accessUnit)) { 661 dropAccessUnit = true; 662 ++mNumFramesDropped; 663 } 664 } while (dropAccessUnit); 665 666 // ALOGV("returned a valid buffer of %s data", mIsAudio ? "mIsAudio" : "video"); 667#if 0 668 int64_t mediaTimeUs; 669 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 670 ALOGV("[%s] feeding input buffer at media time %.3f", 671 mIsAudio ? "audio" : "video", 672 mediaTimeUs / 1E6); 673#endif 674 675 if (mCCDecoder != NULL) { 676 mCCDecoder->decode(accessUnit); 677 } 678 679 reply->setBuffer("buffer", accessUnit); 680 681 return OK; 682} 683 684bool NuPlayer::Decoder::onInputBufferFetched(const sp<AMessage> &msg) { 685 size_t bufferIx; 686 CHECK(msg->findSize("buffer-ix", &bufferIx)); 687 CHECK_LT(bufferIx, mInputBuffers.size()); 688 sp<ABuffer> codecBuffer = mInputBuffers[bufferIx]; 689 690 sp<ABuffer> buffer; 691 bool hasBuffer = msg->findBuffer("buffer", &buffer); 692 693 // handle widevine classic source - that fills an arbitrary input buffer 694 MediaBuffer *mediaBuffer = NULL; 695 if (hasBuffer) { 696 mediaBuffer = (MediaBuffer *)(buffer->getMediaBufferBase()); 697 if (mediaBuffer != NULL) { 698 // likely filled another buffer than we requested: adjust buffer index 699 size_t ix; 700 for (ix = 0; ix < mInputBuffers.size(); ix++) { 701 const sp<ABuffer> &buf = mInputBuffers[ix]; 702 if (buf->data() == mediaBuffer->data()) { 703 // all input buffers are dequeued on start, hence the check 704 if (!mInputBufferIsDequeued[ix]) { 705 ALOGV("[%s] received MediaBuffer for #%zu instead of #%zu", 706 mComponentName.c_str(), ix, bufferIx); 707 mediaBuffer->release(); 708 return false; 709 } 710 711 // TRICKY: need buffer for the metadata, so instead, set 712 // codecBuffer to the same (though incorrect) buffer to 713 // avoid a memcpy into the codecBuffer 714 codecBuffer = buffer; 715 codecBuffer->setRange( 716 mediaBuffer->range_offset(), 717 mediaBuffer->range_length()); 718 bufferIx = ix; 719 break; 720 } 721 } 722 CHECK(ix < mInputBuffers.size()); 723 } 724 } 725 726 if (buffer == NULL /* includes !hasBuffer */) { 727 int32_t streamErr = ERROR_END_OF_STREAM; 728 CHECK(msg->findInt32("err", &streamErr) || !hasBuffer); 729 730 CHECK(streamErr != OK); 731 732 // attempt to queue EOS 733 status_t err = mCodec->queueInputBuffer( 734 bufferIx, 735 0, 736 0, 737 0, 738 MediaCodec::BUFFER_FLAG_EOS); 739 if (err == OK) { 740 mInputBufferIsDequeued.editItemAt(bufferIx) = false; 741 } else if (streamErr == ERROR_END_OF_STREAM) { 742 streamErr = err; 743 // err will not be ERROR_END_OF_STREAM 744 } 745 746 if (streamErr != ERROR_END_OF_STREAM) { 747 ALOGE("Stream error for %s (err=%d), EOS %s queued", 748 mComponentName.c_str(), 749 streamErr, 750 err == OK ? "successfully" : "unsuccessfully"); 751 handleError(streamErr); 752 } 753 } else { 754 sp<AMessage> extra; 755 if (buffer->meta()->findMessage("extra", &extra) && extra != NULL) { 756 int64_t resumeAtMediaTimeUs; 757 if (extra->findInt64( 758 "resume-at-mediaTimeUs", &resumeAtMediaTimeUs)) { 759 ALOGI("[%s] suppressing rendering until %lld us", 760 mComponentName.c_str(), (long long)resumeAtMediaTimeUs); 761 mSkipRenderingUntilMediaTimeUs = resumeAtMediaTimeUs; 762 } 763 } 764 765 int64_t timeUs = 0; 766 uint32_t flags = 0; 767 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 768 769 int32_t eos, csd; 770 // we do not expect SYNCFRAME for decoder 771 if (buffer->meta()->findInt32("eos", &eos) && eos) { 772 flags |= MediaCodec::BUFFER_FLAG_EOS; 773 } else if (buffer->meta()->findInt32("csd", &csd) && csd) { 774 flags |= MediaCodec::BUFFER_FLAG_CODECCONFIG; 775 } 776 777 // copy into codec buffer 778 if (buffer != codecBuffer) { 779 CHECK_LE(buffer->size(), codecBuffer->capacity()); 780 codecBuffer->setRange(0, buffer->size()); 781 memcpy(codecBuffer->data(), buffer->data(), buffer->size()); 782 } 783 784 status_t err = mCodec->queueInputBuffer( 785 bufferIx, 786 codecBuffer->offset(), 787 codecBuffer->size(), 788 timeUs, 789 flags); 790 if (err != OK) { 791 if (mediaBuffer != NULL) { 792 mediaBuffer->release(); 793 } 794 ALOGE("Failed to queue input buffer for %s (err=%d)", 795 mComponentName.c_str(), err); 796 handleError(err); 797 } else { 798 mInputBufferIsDequeued.editItemAt(bufferIx) = false; 799 if (mediaBuffer != NULL) { 800 CHECK(mMediaBuffers[bufferIx] == NULL); 801 mMediaBuffers.editItemAt(bufferIx) = mediaBuffer; 802 } 803 } 804 } 805 return true; 806} 807 808void NuPlayer::Decoder::onRenderBuffer(const sp<AMessage> &msg) { 809 status_t err; 810 int32_t render; 811 size_t bufferIx; 812 int32_t eos; 813 CHECK(msg->findSize("buffer-ix", &bufferIx)); 814 815 if (!mIsAudio) { 816 int64_t timeUs; 817 sp<ABuffer> buffer = mOutputBuffers[bufferIx]; 818 buffer->meta()->findInt64("timeUs", &timeUs); 819 820 if (mCCDecoder != NULL && mCCDecoder->isSelected()) { 821 mCCDecoder->display(timeUs); 822 } 823 } 824 825 if (msg->findInt32("render", &render) && render) { 826 int64_t timestampNs; 827 CHECK(msg->findInt64("timestampNs", ×tampNs)); 828 err = mCodec->renderOutputBufferAndRelease(bufferIx, timestampNs); 829 } else { 830 err = mCodec->releaseOutputBuffer(bufferIx); 831 } 832 if (err != OK) { 833 ALOGE("failed to release output buffer for %s (err=%d)", 834 mComponentName.c_str(), err); 835 handleError(err); 836 } 837 if (msg->findInt32("eos", &eos) && eos 838 && isDiscontinuityPending()) { 839 finishHandleDiscontinuity(true /* flushOnTimeChange */); 840 } 841} 842 843bool NuPlayer::Decoder::isDiscontinuityPending() const { 844 return mFormatChangePending || mTimeChangePending; 845} 846 847void NuPlayer::Decoder::finishHandleDiscontinuity(bool flushOnTimeChange) { 848 ALOGV("finishHandleDiscontinuity: format %d, time %d, flush %d", 849 mFormatChangePending, mTimeChangePending, flushOnTimeChange); 850 851 // If we have format change, pause and wait to be killed; 852 // If we have time change only, flush and restart fetching. 853 854 if (mFormatChangePending) { 855 mPaused = true; 856 } else if (mTimeChangePending) { 857 if (flushOnTimeChange) { 858 doFlush(false /* notifyComplete */); 859 signalResume(false /* notifyComplete */); 860 } 861 } 862 863 // Notify NuPlayer to either shutdown decoder, or rescan sources 864 sp<AMessage> msg = mNotify->dup(); 865 msg->setInt32("what", kWhatInputDiscontinuity); 866 msg->setInt32("formatChange", mFormatChangePending); 867 msg->post(); 868 869 mFormatChangePending = false; 870 mTimeChangePending = false; 871} 872 873bool NuPlayer::Decoder::supportsSeamlessAudioFormatChange( 874 const sp<AMessage> &targetFormat) const { 875 if (targetFormat == NULL) { 876 return true; 877 } 878 879 AString mime; 880 if (!targetFormat->findString("mime", &mime)) { 881 return false; 882 } 883 884 if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_AUDIO_AAC)) { 885 // field-by-field comparison 886 const char * keys[] = { "channel-count", "sample-rate", "is-adts" }; 887 for (unsigned int i = 0; i < sizeof(keys) / sizeof(keys[0]); i++) { 888 int32_t oldVal, newVal; 889 if (!mInputFormat->findInt32(keys[i], &oldVal) || 890 !targetFormat->findInt32(keys[i], &newVal) || 891 oldVal != newVal) { 892 return false; 893 } 894 } 895 896 sp<ABuffer> oldBuf, newBuf; 897 if (mInputFormat->findBuffer("csd-0", &oldBuf) && 898 targetFormat->findBuffer("csd-0", &newBuf)) { 899 if (oldBuf->size() != newBuf->size()) { 900 return false; 901 } 902 return !memcmp(oldBuf->data(), newBuf->data(), oldBuf->size()); 903 } 904 } 905 return false; 906} 907 908bool NuPlayer::Decoder::supportsSeamlessFormatChange(const sp<AMessage> &targetFormat) const { 909 if (mInputFormat == NULL) { 910 return false; 911 } 912 913 if (targetFormat == NULL) { 914 return true; 915 } 916 917 AString oldMime, newMime; 918 if (!mInputFormat->findString("mime", &oldMime) 919 || !targetFormat->findString("mime", &newMime) 920 || !(oldMime == newMime)) { 921 return false; 922 } 923 924 bool audio = !strncasecmp(oldMime.c_str(), "audio/", strlen("audio/")); 925 bool seamless; 926 if (audio) { 927 seamless = supportsSeamlessAudioFormatChange(targetFormat); 928 } else { 929 int32_t isAdaptive; 930 seamless = (mCodec != NULL && 931 mInputFormat->findInt32("adaptive-playback", &isAdaptive) && 932 isAdaptive); 933 } 934 935 ALOGV("%s seamless support for %s", seamless ? "yes" : "no", oldMime.c_str()); 936 return seamless; 937} 938 939void NuPlayer::Decoder::rememberCodecSpecificData(const sp<AMessage> &format) { 940 if (format == NULL) { 941 return; 942 } 943 mCSDsForCurrentFormat.clear(); 944 for (int32_t i = 0; ; ++i) { 945 AString tag = "csd-"; 946 tag.append(i); 947 sp<ABuffer> buffer; 948 if (!format->findBuffer(tag.c_str(), &buffer)) { 949 break; 950 } 951 mCSDsForCurrentFormat.push(buffer); 952 } 953} 954 955void NuPlayer::Decoder::notifyResumeCompleteIfNecessary() { 956 if (mResumePending) { 957 mResumePending = false; 958 959 sp<AMessage> notify = mNotify->dup(); 960 notify->setInt32("what", kWhatResumeCompleted); 961 notify->post(); 962 } 963} 964 965} // namespace android 966 967