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 <algorithm> 23 24#include "NuPlayerCCDecoder.h" 25#include "NuPlayerDecoder.h" 26#include "NuPlayerRenderer.h" 27#include "NuPlayerSource.h" 28 29#include <cutils/properties.h> 30#include <media/ICrypto.h> 31#include <media/stagefright/foundation/ABuffer.h> 32#include <media/stagefright/foundation/ADebug.h> 33#include <media/stagefright/foundation/AMessage.h> 34#include <media/stagefright/MediaBuffer.h> 35#include <media/stagefright/MediaCodec.h> 36#include <media/stagefright/MediaDefs.h> 37#include <media/stagefright/MediaErrors.h> 38 39#include <gui/Surface.h> 40 41#include "avc_utils.h" 42#include "ATSParser.h" 43 44namespace android { 45 46static float kDisplayRefreshingRate = 60.f; // TODO: get this from the display 47 48// The default total video frame rate of a stream when that info is not available from 49// the source. 50static float kDefaultVideoFrameRateTotal = 30.f; 51 52static inline bool getAudioDeepBufferSetting() { 53 return property_get_bool("media.stagefright.audio.deep", false /* default_value */); 54} 55 56NuPlayer::Decoder::Decoder( 57 const sp<AMessage> ¬ify, 58 const sp<Source> &source, 59 pid_t pid, 60 const sp<Renderer> &renderer, 61 const sp<Surface> &surface, 62 const sp<CCDecoder> &ccDecoder) 63 : DecoderBase(notify), 64 mSurface(surface), 65 mSource(source), 66 mRenderer(renderer), 67 mCCDecoder(ccDecoder), 68 mPid(pid), 69 mSkipRenderingUntilMediaTimeUs(-1ll), 70 mNumFramesTotal(0ll), 71 mNumInputFramesDropped(0ll), 72 mNumOutputFramesDropped(0ll), 73 mVideoWidth(0), 74 mVideoHeight(0), 75 mIsAudio(true), 76 mIsVideoAVC(false), 77 mIsSecure(false), 78 mFormatChangePending(false), 79 mTimeChangePending(false), 80 mFrameRateTotal(kDefaultVideoFrameRateTotal), 81 mPlaybackSpeed(1.0f), 82 mNumVideoTemporalLayerTotal(1), // decode all layers 83 mNumVideoTemporalLayerAllowed(1), 84 mCurrentMaxVideoTemporalLayerId(0), 85 mResumePending(false), 86 mComponentName("decoder") { 87 mCodecLooper = new ALooper; 88 mCodecLooper->setName("NPDecoder-CL"); 89 mCodecLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 90 mVideoTemporalLayerAggregateFps[0] = mFrameRateTotal; 91} 92 93NuPlayer::Decoder::~Decoder() { 94 mCodec->release(); 95 releaseAndResetMediaBuffers(); 96} 97 98sp<AMessage> NuPlayer::Decoder::getStats() const { 99 mStats->setInt64("frames-total", mNumFramesTotal); 100 mStats->setInt64("frames-dropped-input", mNumInputFramesDropped); 101 mStats->setInt64("frames-dropped-output", mNumOutputFramesDropped); 102 return mStats; 103} 104 105status_t NuPlayer::Decoder::setVideoSurface(const sp<Surface> &surface) { 106 if (surface == NULL || ADebug::isExperimentEnabled("legacy-setsurface")) { 107 return BAD_VALUE; 108 } 109 110 sp<AMessage> msg = new AMessage(kWhatSetVideoSurface, this); 111 112 msg->setObject("surface", surface); 113 sp<AMessage> response; 114 status_t err = msg->postAndAwaitResponse(&response); 115 if (err == OK && response != NULL) { 116 CHECK(response->findInt32("err", &err)); 117 } 118 return err; 119} 120 121void NuPlayer::Decoder::onMessageReceived(const sp<AMessage> &msg) { 122 ALOGV("[%s] onMessage: %s", mComponentName.c_str(), msg->debugString().c_str()); 123 124 switch (msg->what()) { 125 case kWhatCodecNotify: 126 { 127 int32_t cbID; 128 CHECK(msg->findInt32("callbackID", &cbID)); 129 130 ALOGV("[%s] kWhatCodecNotify: cbID = %d, paused = %d", 131 mIsAudio ? "audio" : "video", cbID, mPaused); 132 133 if (mPaused) { 134 break; 135 } 136 137 switch (cbID) { 138 case MediaCodec::CB_INPUT_AVAILABLE: 139 { 140 int32_t index; 141 CHECK(msg->findInt32("index", &index)); 142 143 handleAnInputBuffer(index); 144 break; 145 } 146 147 case MediaCodec::CB_OUTPUT_AVAILABLE: 148 { 149 int32_t index; 150 size_t offset; 151 size_t size; 152 int64_t timeUs; 153 int32_t flags; 154 155 CHECK(msg->findInt32("index", &index)); 156 CHECK(msg->findSize("offset", &offset)); 157 CHECK(msg->findSize("size", &size)); 158 CHECK(msg->findInt64("timeUs", &timeUs)); 159 CHECK(msg->findInt32("flags", &flags)); 160 161 handleAnOutputBuffer(index, offset, size, timeUs, flags); 162 break; 163 } 164 165 case MediaCodec::CB_OUTPUT_FORMAT_CHANGED: 166 { 167 sp<AMessage> format; 168 CHECK(msg->findMessage("format", &format)); 169 170 handleOutputFormatChange(format); 171 break; 172 } 173 174 case MediaCodec::CB_ERROR: 175 { 176 status_t err; 177 CHECK(msg->findInt32("err", &err)); 178 ALOGE("Decoder (%s) reported error : 0x%x", 179 mIsAudio ? "audio" : "video", err); 180 181 handleError(err); 182 break; 183 } 184 185 default: 186 { 187 TRESPASS(); 188 break; 189 } 190 } 191 192 break; 193 } 194 195 case kWhatRenderBuffer: 196 { 197 if (!isStaleReply(msg)) { 198 onRenderBuffer(msg); 199 } 200 break; 201 } 202 203 case kWhatSetVideoSurface: 204 { 205 sp<AReplyToken> replyID; 206 CHECK(msg->senderAwaitsResponse(&replyID)); 207 208 sp<RefBase> obj; 209 CHECK(msg->findObject("surface", &obj)); 210 sp<Surface> surface = static_cast<Surface *>(obj.get()); // non-null 211 int32_t err = INVALID_OPERATION; 212 // NOTE: in practice mSurface is always non-null, but checking here for completeness 213 if (mCodec != NULL && mSurface != NULL) { 214 // TODO: once AwesomePlayer is removed, remove this automatic connecting 215 // to the surface by MediaPlayerService. 216 // 217 // at this point MediaPlayerService::client has already connected to the 218 // surface, which MediaCodec does not expect 219 err = native_window_api_disconnect(surface.get(), NATIVE_WINDOW_API_MEDIA); 220 if (err == OK) { 221 err = mCodec->setSurface(surface); 222 ALOGI_IF(err, "codec setSurface returned: %d", err); 223 if (err == OK) { 224 // reconnect to the old surface as MPS::Client will expect to 225 // be able to disconnect from it. 226 (void)native_window_api_connect(mSurface.get(), NATIVE_WINDOW_API_MEDIA); 227 mSurface = surface; 228 } 229 } 230 if (err != OK) { 231 // reconnect to the new surface on error as MPS::Client will expect to 232 // be able to disconnect from it. 233 (void)native_window_api_connect(surface.get(), NATIVE_WINDOW_API_MEDIA); 234 } 235 } 236 237 sp<AMessage> response = new AMessage; 238 response->setInt32("err", err); 239 response->postReply(replyID); 240 break; 241 } 242 243 default: 244 DecoderBase::onMessageReceived(msg); 245 break; 246 } 247} 248 249void NuPlayer::Decoder::onConfigure(const sp<AMessage> &format) { 250 CHECK(mCodec == NULL); 251 252 mFormatChangePending = false; 253 mTimeChangePending = false; 254 255 ++mBufferGeneration; 256 257 AString mime; 258 CHECK(format->findString("mime", &mime)); 259 260 mIsAudio = !strncasecmp("audio/", mime.c_str(), 6); 261 mIsVideoAVC = !strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime.c_str()); 262 263 mComponentName = mime; 264 mComponentName.append(" decoder"); 265 ALOGV("[%s] onConfigure (surface=%p)", mComponentName.c_str(), mSurface.get()); 266 267 mCodec = MediaCodec::CreateByType( 268 mCodecLooper, mime.c_str(), false /* encoder */, NULL /* err */, mPid); 269 int32_t secure = 0; 270 if (format->findInt32("secure", &secure) && secure != 0) { 271 if (mCodec != NULL) { 272 mCodec->getName(&mComponentName); 273 mComponentName.append(".secure"); 274 mCodec->release(); 275 ALOGI("[%s] creating", mComponentName.c_str()); 276 mCodec = MediaCodec::CreateByComponentName( 277 mCodecLooper, mComponentName.c_str(), NULL /* err */, mPid); 278 } 279 } 280 if (mCodec == NULL) { 281 ALOGE("Failed to create %s%s decoder", 282 (secure ? "secure " : ""), mime.c_str()); 283 handleError(UNKNOWN_ERROR); 284 return; 285 } 286 mIsSecure = secure; 287 288 mCodec->getName(&mComponentName); 289 290 status_t err; 291 if (mSurface != NULL) { 292 // disconnect from surface as MediaCodec will reconnect 293 err = native_window_api_disconnect( 294 mSurface.get(), NATIVE_WINDOW_API_MEDIA); 295 // We treat this as a warning, as this is a preparatory step. 296 // Codec will try to connect to the surface, which is where 297 // any error signaling will occur. 298 ALOGW_IF(err != OK, "failed to disconnect from surface: %d", err); 299 } 300 err = mCodec->configure( 301 format, mSurface, NULL /* crypto */, 0 /* flags */); 302 if (err != OK) { 303 ALOGE("Failed to configure %s decoder (err=%d)", mComponentName.c_str(), err); 304 mCodec->release(); 305 mCodec.clear(); 306 handleError(err); 307 return; 308 } 309 rememberCodecSpecificData(format); 310 311 // the following should work in configured state 312 CHECK_EQ((status_t)OK, mCodec->getOutputFormat(&mOutputFormat)); 313 CHECK_EQ((status_t)OK, mCodec->getInputFormat(&mInputFormat)); 314 315 mStats->setString("mime", mime.c_str()); 316 mStats->setString("component-name", mComponentName.c_str()); 317 318 if (!mIsAudio) { 319 int32_t width, height; 320 if (mOutputFormat->findInt32("width", &width) 321 && mOutputFormat->findInt32("height", &height)) { 322 mStats->setInt32("width", width); 323 mStats->setInt32("height", height); 324 } 325 } 326 327 sp<AMessage> reply = new AMessage(kWhatCodecNotify, this); 328 mCodec->setCallback(reply); 329 330 err = mCodec->start(); 331 if (err != OK) { 332 ALOGE("Failed to start %s decoder (err=%d)", mComponentName.c_str(), err); 333 mCodec->release(); 334 mCodec.clear(); 335 handleError(err); 336 return; 337 } 338 339 releaseAndResetMediaBuffers(); 340 341 mPaused = false; 342 mResumePending = false; 343} 344 345void NuPlayer::Decoder::onSetParameters(const sp<AMessage> ¶ms) { 346 bool needAdjustLayers = false; 347 float frameRateTotal; 348 if (params->findFloat("frame-rate-total", &frameRateTotal) 349 && mFrameRateTotal != frameRateTotal) { 350 needAdjustLayers = true; 351 mFrameRateTotal = frameRateTotal; 352 } 353 354 int32_t numVideoTemporalLayerTotal; 355 if (params->findInt32("temporal-layer-count", &numVideoTemporalLayerTotal) 356 && numVideoTemporalLayerTotal >= 0 357 && numVideoTemporalLayerTotal <= kMaxNumVideoTemporalLayers 358 && mNumVideoTemporalLayerTotal != numVideoTemporalLayerTotal) { 359 needAdjustLayers = true; 360 mNumVideoTemporalLayerTotal = std::max(numVideoTemporalLayerTotal, 1); 361 } 362 363 if (needAdjustLayers && mNumVideoTemporalLayerTotal > 1) { 364 // TODO: For now, layer fps is calculated for some specific architectures. 365 // But it really should be extracted from the stream. 366 mVideoTemporalLayerAggregateFps[0] = 367 mFrameRateTotal / (float)(1ll << (mNumVideoTemporalLayerTotal - 1)); 368 for (int32_t i = 1; i < mNumVideoTemporalLayerTotal; ++i) { 369 mVideoTemporalLayerAggregateFps[i] = 370 mFrameRateTotal / (float)(1ll << (mNumVideoTemporalLayerTotal - i)) 371 + mVideoTemporalLayerAggregateFps[i - 1]; 372 } 373 } 374 375 float playbackSpeed; 376 if (params->findFloat("playback-speed", &playbackSpeed) 377 && mPlaybackSpeed != playbackSpeed) { 378 needAdjustLayers = true; 379 mPlaybackSpeed = playbackSpeed; 380 } 381 382 if (needAdjustLayers) { 383 float decodeFrameRate = mFrameRateTotal; 384 // enable temporal layering optimization only if we know the layering depth 385 if (mNumVideoTemporalLayerTotal > 1) { 386 int32_t layerId; 387 for (layerId = 0; layerId < mNumVideoTemporalLayerTotal - 1; ++layerId) { 388 if (mVideoTemporalLayerAggregateFps[layerId] * mPlaybackSpeed 389 >= kDisplayRefreshingRate * 0.9) { 390 break; 391 } 392 } 393 mNumVideoTemporalLayerAllowed = layerId + 1; 394 decodeFrameRate = mVideoTemporalLayerAggregateFps[layerId]; 395 } 396 ALOGV("onSetParameters: allowed layers=%d, decodeFps=%g", 397 mNumVideoTemporalLayerAllowed, decodeFrameRate); 398 399 if (mCodec == NULL) { 400 ALOGW("onSetParameters called before codec is created."); 401 return; 402 } 403 404 sp<AMessage> codecParams = new AMessage(); 405 codecParams->setFloat("operating-rate", decodeFrameRate * mPlaybackSpeed); 406 mCodec->setParameters(codecParams); 407 } 408} 409 410void NuPlayer::Decoder::onSetRenderer(const sp<Renderer> &renderer) { 411 bool hadNoRenderer = (mRenderer == NULL); 412 mRenderer = renderer; 413 if (hadNoRenderer && mRenderer != NULL) { 414 // this means that the widevine legacy source is ready 415 onRequestInputBuffers(); 416 } 417} 418 419void NuPlayer::Decoder::onGetInputBuffers( 420 Vector<sp<ABuffer> > *dstBuffers) { 421 CHECK_EQ((status_t)OK, mCodec->getWidevineLegacyBuffers(dstBuffers)); 422} 423 424void NuPlayer::Decoder::onResume(bool notifyComplete) { 425 mPaused = false; 426 427 if (notifyComplete) { 428 mResumePending = true; 429 } 430 mCodec->start(); 431} 432 433void NuPlayer::Decoder::doFlush(bool notifyComplete) { 434 if (mCCDecoder != NULL) { 435 mCCDecoder->flush(); 436 } 437 438 if (mRenderer != NULL) { 439 mRenderer->flush(mIsAudio, notifyComplete); 440 mRenderer->signalTimeDiscontinuity(); 441 } 442 443 status_t err = OK; 444 if (mCodec != NULL) { 445 err = mCodec->flush(); 446 mCSDsToSubmit = mCSDsForCurrentFormat; // copy operator 447 ++mBufferGeneration; 448 } 449 450 if (err != OK) { 451 ALOGE("failed to flush %s (err=%d)", mComponentName.c_str(), err); 452 handleError(err); 453 // finish with posting kWhatFlushCompleted. 454 // we attempt to release the buffers even if flush fails. 455 } 456 releaseAndResetMediaBuffers(); 457 mPaused = true; 458} 459 460 461void NuPlayer::Decoder::onFlush() { 462 doFlush(true); 463 464 if (isDiscontinuityPending()) { 465 // This could happen if the client starts seeking/shutdown 466 // after we queued an EOS for discontinuities. 467 // We can consider discontinuity handled. 468 finishHandleDiscontinuity(false /* flushOnTimeChange */); 469 } 470 471 sp<AMessage> notify = mNotify->dup(); 472 notify->setInt32("what", kWhatFlushCompleted); 473 notify->post(); 474} 475 476void NuPlayer::Decoder::onShutdown(bool notifyComplete) { 477 status_t err = OK; 478 479 // if there is a pending resume request, notify complete now 480 notifyResumeCompleteIfNecessary(); 481 482 if (mCodec != NULL) { 483 err = mCodec->release(); 484 mCodec = NULL; 485 ++mBufferGeneration; 486 487 if (mSurface != NULL) { 488 // reconnect to surface as MediaCodec disconnected from it 489 status_t error = 490 native_window_api_connect(mSurface.get(), NATIVE_WINDOW_API_MEDIA); 491 ALOGW_IF(error != NO_ERROR, 492 "[%s] failed to connect to native window, error=%d", 493 mComponentName.c_str(), error); 494 } 495 mComponentName = "decoder"; 496 } 497 498 releaseAndResetMediaBuffers(); 499 500 if (err != OK) { 501 ALOGE("failed to release %s (err=%d)", mComponentName.c_str(), err); 502 handleError(err); 503 // finish with posting kWhatShutdownCompleted. 504 } 505 506 if (notifyComplete) { 507 sp<AMessage> notify = mNotify->dup(); 508 notify->setInt32("what", kWhatShutdownCompleted); 509 notify->post(); 510 mPaused = true; 511 } 512} 513 514/* 515 * returns true if we should request more data 516 */ 517bool NuPlayer::Decoder::doRequestBuffers() { 518 // mRenderer is only NULL if we have a legacy widevine source that 519 // is not yet ready. In this case we must not fetch input. 520 if (isDiscontinuityPending() || mRenderer == NULL) { 521 return false; 522 } 523 status_t err = OK; 524 while (err == OK && !mDequeuedInputBuffers.empty()) { 525 size_t bufferIx = *mDequeuedInputBuffers.begin(); 526 sp<AMessage> msg = new AMessage(); 527 msg->setSize("buffer-ix", bufferIx); 528 err = fetchInputData(msg); 529 if (err != OK && err != ERROR_END_OF_STREAM) { 530 // if EOS, need to queue EOS buffer 531 break; 532 } 533 mDequeuedInputBuffers.erase(mDequeuedInputBuffers.begin()); 534 535 if (!mPendingInputMessages.empty() 536 || !onInputBufferFetched(msg)) { 537 mPendingInputMessages.push_back(msg); 538 } 539 } 540 541 return err == -EWOULDBLOCK 542 && mSource->feedMoreTSData() == OK; 543} 544 545void NuPlayer::Decoder::handleError(int32_t err) 546{ 547 // We cannot immediately release the codec due to buffers still outstanding 548 // in the renderer. We signal to the player the error so it can shutdown/release the 549 // decoder after flushing and increment the generation to discard unnecessary messages. 550 551 ++mBufferGeneration; 552 553 sp<AMessage> notify = mNotify->dup(); 554 notify->setInt32("what", kWhatError); 555 notify->setInt32("err", err); 556 notify->post(); 557} 558 559bool NuPlayer::Decoder::handleAnInputBuffer(size_t index) { 560 if (isDiscontinuityPending()) { 561 return false; 562 } 563 564 sp<ABuffer> buffer; 565 mCodec->getInputBuffer(index, &buffer); 566 567 if (buffer == NULL) { 568 handleError(UNKNOWN_ERROR); 569 return false; 570 } 571 572 if (index >= mInputBuffers.size()) { 573 for (size_t i = mInputBuffers.size(); i <= index; ++i) { 574 mInputBuffers.add(); 575 mMediaBuffers.add(); 576 mInputBufferIsDequeued.add(); 577 mMediaBuffers.editItemAt(i) = NULL; 578 mInputBufferIsDequeued.editItemAt(i) = false; 579 } 580 } 581 mInputBuffers.editItemAt(index) = buffer; 582 583 //CHECK_LT(bufferIx, mInputBuffers.size()); 584 585 if (mMediaBuffers[index] != NULL) { 586 mMediaBuffers[index]->release(); 587 mMediaBuffers.editItemAt(index) = NULL; 588 } 589 mInputBufferIsDequeued.editItemAt(index) = true; 590 591 if (!mCSDsToSubmit.isEmpty()) { 592 sp<AMessage> msg = new AMessage(); 593 msg->setSize("buffer-ix", index); 594 595 sp<ABuffer> buffer = mCSDsToSubmit.itemAt(0); 596 ALOGI("[%s] resubmitting CSD", mComponentName.c_str()); 597 msg->setBuffer("buffer", buffer); 598 mCSDsToSubmit.removeAt(0); 599 if (!onInputBufferFetched(msg)) { 600 handleError(UNKNOWN_ERROR); 601 return false; 602 } 603 return true; 604 } 605 606 while (!mPendingInputMessages.empty()) { 607 sp<AMessage> msg = *mPendingInputMessages.begin(); 608 if (!onInputBufferFetched(msg)) { 609 break; 610 } 611 mPendingInputMessages.erase(mPendingInputMessages.begin()); 612 } 613 614 if (!mInputBufferIsDequeued.editItemAt(index)) { 615 return true; 616 } 617 618 mDequeuedInputBuffers.push_back(index); 619 620 onRequestInputBuffers(); 621 return true; 622} 623 624bool NuPlayer::Decoder::handleAnOutputBuffer( 625 size_t index, 626 size_t offset, 627 size_t size, 628 int64_t timeUs, 629 int32_t flags) { 630// CHECK_LT(bufferIx, mOutputBuffers.size()); 631 sp<ABuffer> buffer; 632 mCodec->getOutputBuffer(index, &buffer); 633 634 if (buffer == NULL) { 635 handleError(UNKNOWN_ERROR); 636 return false; 637 } 638 639 if (index >= mOutputBuffers.size()) { 640 for (size_t i = mOutputBuffers.size(); i <= index; ++i) { 641 mOutputBuffers.add(); 642 } 643 } 644 645 mOutputBuffers.editItemAt(index) = buffer; 646 647 buffer->setRange(offset, size); 648 buffer->meta()->clear(); 649 buffer->meta()->setInt64("timeUs", timeUs); 650 651 bool eos = flags & MediaCodec::BUFFER_FLAG_EOS; 652 // we do not expect CODECCONFIG or SYNCFRAME for decoder 653 654 sp<AMessage> reply = new AMessage(kWhatRenderBuffer, this); 655 reply->setSize("buffer-ix", index); 656 reply->setInt32("generation", mBufferGeneration); 657 658 if (eos) { 659 ALOGI("[%s] saw output EOS", mIsAudio ? "audio" : "video"); 660 661 buffer->meta()->setInt32("eos", true); 662 reply->setInt32("eos", true); 663 } else if (mSkipRenderingUntilMediaTimeUs >= 0) { 664 if (timeUs < mSkipRenderingUntilMediaTimeUs) { 665 ALOGV("[%s] dropping buffer at time %lld as requested.", 666 mComponentName.c_str(), (long long)timeUs); 667 668 reply->post(); 669 return true; 670 } 671 672 mSkipRenderingUntilMediaTimeUs = -1; 673 } 674 675 mNumFramesTotal += !mIsAudio; 676 677 // wait until 1st frame comes out to signal resume complete 678 notifyResumeCompleteIfNecessary(); 679 680 if (mRenderer != NULL) { 681 // send the buffer to renderer. 682 mRenderer->queueBuffer(mIsAudio, buffer, reply); 683 if (eos && !isDiscontinuityPending()) { 684 mRenderer->queueEOS(mIsAudio, ERROR_END_OF_STREAM); 685 } 686 } 687 688 return true; 689} 690 691void NuPlayer::Decoder::handleOutputFormatChange(const sp<AMessage> &format) { 692 if (!mIsAudio) { 693 int32_t width, height; 694 if (format->findInt32("width", &width) 695 && format->findInt32("height", &height)) { 696 mStats->setInt32("width", width); 697 mStats->setInt32("height", height); 698 } 699 sp<AMessage> notify = mNotify->dup(); 700 notify->setInt32("what", kWhatVideoSizeChanged); 701 notify->setMessage("format", format); 702 notify->post(); 703 } else if (mRenderer != NULL) { 704 uint32_t flags; 705 int64_t durationUs; 706 bool hasVideo = (mSource->getFormat(false /* audio */) != NULL); 707 if (getAudioDeepBufferSetting() // override regardless of source duration 708 || (!hasVideo 709 && mSource->getDuration(&durationUs) == OK 710 && durationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US)) { 711 flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER; 712 } else { 713 flags = AUDIO_OUTPUT_FLAG_NONE; 714 } 715 716 status_t err = mRenderer->openAudioSink( 717 format, false /* offloadOnly */, hasVideo, flags, NULL /* isOffloaed */); 718 if (err != OK) { 719 handleError(err); 720 } 721 } 722} 723 724void NuPlayer::Decoder::releaseAndResetMediaBuffers() { 725 for (size_t i = 0; i < mMediaBuffers.size(); i++) { 726 if (mMediaBuffers[i] != NULL) { 727 mMediaBuffers[i]->release(); 728 mMediaBuffers.editItemAt(i) = NULL; 729 } 730 } 731 mMediaBuffers.resize(mInputBuffers.size()); 732 for (size_t i = 0; i < mMediaBuffers.size(); i++) { 733 mMediaBuffers.editItemAt(i) = NULL; 734 } 735 mInputBufferIsDequeued.clear(); 736 mInputBufferIsDequeued.resize(mInputBuffers.size()); 737 for (size_t i = 0; i < mInputBufferIsDequeued.size(); i++) { 738 mInputBufferIsDequeued.editItemAt(i) = false; 739 } 740 741 mPendingInputMessages.clear(); 742 mDequeuedInputBuffers.clear(); 743 mSkipRenderingUntilMediaTimeUs = -1; 744} 745 746void NuPlayer::Decoder::requestCodecNotification() { 747 if (mCodec != NULL) { 748 sp<AMessage> reply = new AMessage(kWhatCodecNotify, this); 749 reply->setInt32("generation", mBufferGeneration); 750 mCodec->requestActivityNotification(reply); 751 } 752} 753 754bool NuPlayer::Decoder::isStaleReply(const sp<AMessage> &msg) { 755 int32_t generation; 756 CHECK(msg->findInt32("generation", &generation)); 757 return generation != mBufferGeneration; 758} 759 760status_t NuPlayer::Decoder::fetchInputData(sp<AMessage> &reply) { 761 sp<ABuffer> accessUnit; 762 bool dropAccessUnit = true; 763 do { 764 status_t err = mSource->dequeueAccessUnit(mIsAudio, &accessUnit); 765 766 if (err == -EWOULDBLOCK) { 767 return err; 768 } else if (err != OK) { 769 if (err == INFO_DISCONTINUITY) { 770 int32_t type; 771 CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); 772 773 bool formatChange = 774 (mIsAudio && 775 (type & ATSParser::DISCONTINUITY_AUDIO_FORMAT)) 776 || (!mIsAudio && 777 (type & ATSParser::DISCONTINUITY_VIDEO_FORMAT)); 778 779 bool timeChange = (type & ATSParser::DISCONTINUITY_TIME) != 0; 780 781 ALOGI("%s discontinuity (format=%d, time=%d)", 782 mIsAudio ? "audio" : "video", formatChange, timeChange); 783 784 bool seamlessFormatChange = false; 785 sp<AMessage> newFormat = mSource->getFormat(mIsAudio); 786 if (formatChange) { 787 seamlessFormatChange = 788 supportsSeamlessFormatChange(newFormat); 789 // treat seamless format change separately 790 formatChange = !seamlessFormatChange; 791 } 792 793 // For format or time change, return EOS to queue EOS input, 794 // then wait for EOS on output. 795 if (formatChange /* not seamless */) { 796 mFormatChangePending = true; 797 err = ERROR_END_OF_STREAM; 798 } else if (timeChange) { 799 rememberCodecSpecificData(newFormat); 800 mTimeChangePending = true; 801 err = ERROR_END_OF_STREAM; 802 } else if (seamlessFormatChange) { 803 // reuse existing decoder and don't flush 804 rememberCodecSpecificData(newFormat); 805 continue; 806 } else { 807 // This stream is unaffected by the discontinuity 808 return -EWOULDBLOCK; 809 } 810 } 811 812 // reply should only be returned without a buffer set 813 // when there is an error (including EOS) 814 CHECK(err != OK); 815 816 reply->setInt32("err", err); 817 return ERROR_END_OF_STREAM; 818 } 819 820 dropAccessUnit = false; 821 if (!mIsAudio && !mIsSecure) { 822 int32_t layerId = 0; 823 bool haveLayerId = accessUnit->meta()->findInt32("temporal-layer-id", &layerId); 824 if (mRenderer->getVideoLateByUs() > 100000ll 825 && mIsVideoAVC 826 && !IsAVCReferenceFrame(accessUnit)) { 827 dropAccessUnit = true; 828 } else if (haveLayerId && mNumVideoTemporalLayerTotal > 1) { 829 // Add only one layer each time. 830 if (layerId > mCurrentMaxVideoTemporalLayerId + 1 831 || layerId >= mNumVideoTemporalLayerAllowed) { 832 dropAccessUnit = true; 833 ALOGV("dropping layer(%d), speed=%g, allowed layer count=%d, max layerId=%d", 834 layerId, mPlaybackSpeed, mNumVideoTemporalLayerAllowed, 835 mCurrentMaxVideoTemporalLayerId); 836 } else if (layerId > mCurrentMaxVideoTemporalLayerId) { 837 mCurrentMaxVideoTemporalLayerId = layerId; 838 } else if (layerId == 0 && mNumVideoTemporalLayerTotal > 1 && IsIDR(accessUnit)) { 839 mCurrentMaxVideoTemporalLayerId = mNumVideoTemporalLayerTotal - 1; 840 } 841 } 842 if (dropAccessUnit) { 843 if (layerId <= mCurrentMaxVideoTemporalLayerId && layerId > 0) { 844 mCurrentMaxVideoTemporalLayerId = layerId - 1; 845 } 846 ++mNumInputFramesDropped; 847 } 848 } 849 } while (dropAccessUnit); 850 851 // ALOGV("returned a valid buffer of %s data", mIsAudio ? "mIsAudio" : "video"); 852#if 0 853 int64_t mediaTimeUs; 854 CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); 855 ALOGV("[%s] feeding input buffer at media time %.3f", 856 mIsAudio ? "audio" : "video", 857 mediaTimeUs / 1E6); 858#endif 859 860 if (mCCDecoder != NULL) { 861 mCCDecoder->decode(accessUnit); 862 } 863 864 reply->setBuffer("buffer", accessUnit); 865 866 return OK; 867} 868 869bool NuPlayer::Decoder::onInputBufferFetched(const sp<AMessage> &msg) { 870 size_t bufferIx; 871 CHECK(msg->findSize("buffer-ix", &bufferIx)); 872 CHECK_LT(bufferIx, mInputBuffers.size()); 873 sp<ABuffer> codecBuffer = mInputBuffers[bufferIx]; 874 875 sp<ABuffer> buffer; 876 bool hasBuffer = msg->findBuffer("buffer", &buffer); 877 878 // handle widevine classic source - that fills an arbitrary input buffer 879 MediaBuffer *mediaBuffer = NULL; 880 if (hasBuffer) { 881 mediaBuffer = (MediaBuffer *)(buffer->getMediaBufferBase()); 882 if (mediaBuffer != NULL) { 883 // likely filled another buffer than we requested: adjust buffer index 884 size_t ix; 885 for (ix = 0; ix < mInputBuffers.size(); ix++) { 886 const sp<ABuffer> &buf = mInputBuffers[ix]; 887 if (buf->data() == mediaBuffer->data()) { 888 // all input buffers are dequeued on start, hence the check 889 if (!mInputBufferIsDequeued[ix]) { 890 ALOGV("[%s] received MediaBuffer for #%zu instead of #%zu", 891 mComponentName.c_str(), ix, bufferIx); 892 mediaBuffer->release(); 893 return false; 894 } 895 896 // TRICKY: need buffer for the metadata, so instead, set 897 // codecBuffer to the same (though incorrect) buffer to 898 // avoid a memcpy into the codecBuffer 899 codecBuffer = buffer; 900 codecBuffer->setRange( 901 mediaBuffer->range_offset(), 902 mediaBuffer->range_length()); 903 bufferIx = ix; 904 break; 905 } 906 } 907 CHECK(ix < mInputBuffers.size()); 908 } 909 } 910 911 if (buffer == NULL /* includes !hasBuffer */) { 912 int32_t streamErr = ERROR_END_OF_STREAM; 913 CHECK(msg->findInt32("err", &streamErr) || !hasBuffer); 914 915 CHECK(streamErr != OK); 916 917 // attempt to queue EOS 918 status_t err = mCodec->queueInputBuffer( 919 bufferIx, 920 0, 921 0, 922 0, 923 MediaCodec::BUFFER_FLAG_EOS); 924 if (err == OK) { 925 mInputBufferIsDequeued.editItemAt(bufferIx) = false; 926 } else if (streamErr == ERROR_END_OF_STREAM) { 927 streamErr = err; 928 // err will not be ERROR_END_OF_STREAM 929 } 930 931 if (streamErr != ERROR_END_OF_STREAM) { 932 ALOGE("Stream error for %s (err=%d), EOS %s queued", 933 mComponentName.c_str(), 934 streamErr, 935 err == OK ? "successfully" : "unsuccessfully"); 936 handleError(streamErr); 937 } 938 } else { 939 sp<AMessage> extra; 940 if (buffer->meta()->findMessage("extra", &extra) && extra != NULL) { 941 int64_t resumeAtMediaTimeUs; 942 if (extra->findInt64( 943 "resume-at-mediaTimeUs", &resumeAtMediaTimeUs)) { 944 ALOGI("[%s] suppressing rendering until %lld us", 945 mComponentName.c_str(), (long long)resumeAtMediaTimeUs); 946 mSkipRenderingUntilMediaTimeUs = resumeAtMediaTimeUs; 947 } 948 } 949 950 int64_t timeUs = 0; 951 uint32_t flags = 0; 952 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 953 954 int32_t eos, csd; 955 // we do not expect SYNCFRAME for decoder 956 if (buffer->meta()->findInt32("eos", &eos) && eos) { 957 flags |= MediaCodec::BUFFER_FLAG_EOS; 958 } else if (buffer->meta()->findInt32("csd", &csd) && csd) { 959 flags |= MediaCodec::BUFFER_FLAG_CODECCONFIG; 960 } 961 962 // copy into codec buffer 963 if (buffer != codecBuffer) { 964 if (buffer->size() > codecBuffer->capacity()) { 965 handleError(ERROR_BUFFER_TOO_SMALL); 966 mDequeuedInputBuffers.push_back(bufferIx); 967 return false; 968 } 969 codecBuffer->setRange(0, buffer->size()); 970 memcpy(codecBuffer->data(), buffer->data(), buffer->size()); 971 } 972 973 status_t err = mCodec->queueInputBuffer( 974 bufferIx, 975 codecBuffer->offset(), 976 codecBuffer->size(), 977 timeUs, 978 flags); 979 if (err != OK) { 980 if (mediaBuffer != NULL) { 981 mediaBuffer->release(); 982 } 983 ALOGE("Failed to queue input buffer for %s (err=%d)", 984 mComponentName.c_str(), err); 985 handleError(err); 986 } else { 987 mInputBufferIsDequeued.editItemAt(bufferIx) = false; 988 if (mediaBuffer != NULL) { 989 CHECK(mMediaBuffers[bufferIx] == NULL); 990 mMediaBuffers.editItemAt(bufferIx) = mediaBuffer; 991 } 992 } 993 } 994 return true; 995} 996 997void NuPlayer::Decoder::onRenderBuffer(const sp<AMessage> &msg) { 998 status_t err; 999 int32_t render; 1000 size_t bufferIx; 1001 int32_t eos; 1002 CHECK(msg->findSize("buffer-ix", &bufferIx)); 1003 1004 if (!mIsAudio) { 1005 int64_t timeUs; 1006 sp<ABuffer> buffer = mOutputBuffers[bufferIx]; 1007 buffer->meta()->findInt64("timeUs", &timeUs); 1008 1009 if (mCCDecoder != NULL && mCCDecoder->isSelected()) { 1010 mCCDecoder->display(timeUs); 1011 } 1012 } 1013 1014 if (msg->findInt32("render", &render) && render) { 1015 int64_t timestampNs; 1016 CHECK(msg->findInt64("timestampNs", ×tampNs)); 1017 err = mCodec->renderOutputBufferAndRelease(bufferIx, timestampNs); 1018 } else { 1019 mNumOutputFramesDropped += !mIsAudio; 1020 err = mCodec->releaseOutputBuffer(bufferIx); 1021 } 1022 if (err != OK) { 1023 ALOGE("failed to release output buffer for %s (err=%d)", 1024 mComponentName.c_str(), err); 1025 handleError(err); 1026 } 1027 if (msg->findInt32("eos", &eos) && eos 1028 && isDiscontinuityPending()) { 1029 finishHandleDiscontinuity(true /* flushOnTimeChange */); 1030 } 1031} 1032 1033bool NuPlayer::Decoder::isDiscontinuityPending() const { 1034 return mFormatChangePending || mTimeChangePending; 1035} 1036 1037void NuPlayer::Decoder::finishHandleDiscontinuity(bool flushOnTimeChange) { 1038 ALOGV("finishHandleDiscontinuity: format %d, time %d, flush %d", 1039 mFormatChangePending, mTimeChangePending, flushOnTimeChange); 1040 1041 // If we have format change, pause and wait to be killed; 1042 // If we have time change only, flush and restart fetching. 1043 1044 if (mFormatChangePending) { 1045 mPaused = true; 1046 } else if (mTimeChangePending) { 1047 if (flushOnTimeChange) { 1048 doFlush(false /* notifyComplete */); 1049 signalResume(false /* notifyComplete */); 1050 } 1051 } 1052 1053 // Notify NuPlayer to either shutdown decoder, or rescan sources 1054 sp<AMessage> msg = mNotify->dup(); 1055 msg->setInt32("what", kWhatInputDiscontinuity); 1056 msg->setInt32("formatChange", mFormatChangePending); 1057 msg->post(); 1058 1059 mFormatChangePending = false; 1060 mTimeChangePending = false; 1061} 1062 1063bool NuPlayer::Decoder::supportsSeamlessAudioFormatChange( 1064 const sp<AMessage> &targetFormat) const { 1065 if (targetFormat == NULL) { 1066 return true; 1067 } 1068 1069 AString mime; 1070 if (!targetFormat->findString("mime", &mime)) { 1071 return false; 1072 } 1073 1074 if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_AUDIO_AAC)) { 1075 // field-by-field comparison 1076 const char * keys[] = { "channel-count", "sample-rate", "is-adts" }; 1077 for (unsigned int i = 0; i < sizeof(keys) / sizeof(keys[0]); i++) { 1078 int32_t oldVal, newVal; 1079 if (!mInputFormat->findInt32(keys[i], &oldVal) || 1080 !targetFormat->findInt32(keys[i], &newVal) || 1081 oldVal != newVal) { 1082 return false; 1083 } 1084 } 1085 1086 sp<ABuffer> oldBuf, newBuf; 1087 if (mInputFormat->findBuffer("csd-0", &oldBuf) && 1088 targetFormat->findBuffer("csd-0", &newBuf)) { 1089 if (oldBuf->size() != newBuf->size()) { 1090 return false; 1091 } 1092 return !memcmp(oldBuf->data(), newBuf->data(), oldBuf->size()); 1093 } 1094 } 1095 return false; 1096} 1097 1098bool NuPlayer::Decoder::supportsSeamlessFormatChange(const sp<AMessage> &targetFormat) const { 1099 if (mInputFormat == NULL) { 1100 return false; 1101 } 1102 1103 if (targetFormat == NULL) { 1104 return true; 1105 } 1106 1107 AString oldMime, newMime; 1108 if (!mInputFormat->findString("mime", &oldMime) 1109 || !targetFormat->findString("mime", &newMime) 1110 || !(oldMime == newMime)) { 1111 return false; 1112 } 1113 1114 bool audio = !strncasecmp(oldMime.c_str(), "audio/", strlen("audio/")); 1115 bool seamless; 1116 if (audio) { 1117 seamless = supportsSeamlessAudioFormatChange(targetFormat); 1118 } else { 1119 int32_t isAdaptive; 1120 seamless = (mCodec != NULL && 1121 mInputFormat->findInt32("adaptive-playback", &isAdaptive) && 1122 isAdaptive); 1123 } 1124 1125 ALOGV("%s seamless support for %s", seamless ? "yes" : "no", oldMime.c_str()); 1126 return seamless; 1127} 1128 1129void NuPlayer::Decoder::rememberCodecSpecificData(const sp<AMessage> &format) { 1130 if (format == NULL) { 1131 return; 1132 } 1133 mCSDsForCurrentFormat.clear(); 1134 for (int32_t i = 0; ; ++i) { 1135 AString tag = "csd-"; 1136 tag.append(i); 1137 sp<ABuffer> buffer; 1138 if (!format->findBuffer(tag.c_str(), &buffer)) { 1139 break; 1140 } 1141 mCSDsForCurrentFormat.push(buffer); 1142 } 1143} 1144 1145void NuPlayer::Decoder::notifyResumeCompleteIfNecessary() { 1146 if (mResumePending) { 1147 mResumePending = false; 1148 1149 sp<AMessage> notify = mNotify->dup(); 1150 notify->setInt32("what", kWhatResumeCompleted); 1151 notify->post(); 1152 } 1153} 1154 1155} // namespace android 1156 1157