MediaCodec.cpp revision 475da7ef08c05a482ced8d318832cf5aa1141aff
1/* 2 * Copyright 2012, 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 "MediaCodec" 19#include <inttypes.h> 20 21#include "include/avc_utils.h" 22#include "include/SoftwareRenderer.h" 23 24#include <binder/IBatteryStats.h> 25#include <binder/IServiceManager.h> 26#include <gui/Surface.h> 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/foundation/AString.h> 32#include <media/stagefright/foundation/hexdump.h> 33#include <media/stagefright/ACodec.h> 34#include <media/stagefright/BufferProducerWrapper.h> 35#include <media/stagefright/MediaCodec.h> 36#include <media/stagefright/MediaCodecList.h> 37#include <media/stagefright/MediaDefs.h> 38#include <media/stagefright/MediaErrors.h> 39#include <media/stagefright/MetaData.h> 40#include <media/stagefright/NativeWindowWrapper.h> 41#include <private/android_filesystem_config.h> 42#include <utils/Log.h> 43#include <utils/Singleton.h> 44 45namespace android { 46 47struct MediaCodec::BatteryNotifier : public Singleton<BatteryNotifier> { 48 BatteryNotifier(); 49 50 void noteStartVideo(); 51 void noteStopVideo(); 52 void noteStartAudio(); 53 void noteStopAudio(); 54 55private: 56 int32_t mVideoRefCount; 57 int32_t mAudioRefCount; 58 sp<IBatteryStats> mBatteryStatService; 59}; 60 61ANDROID_SINGLETON_STATIC_INSTANCE(MediaCodec::BatteryNotifier) 62 63MediaCodec::BatteryNotifier::BatteryNotifier() : 64 mVideoRefCount(0), 65 mAudioRefCount(0) { 66 // get battery service 67 const sp<IServiceManager> sm(defaultServiceManager()); 68 if (sm != NULL) { 69 const String16 name("batterystats"); 70 mBatteryStatService = interface_cast<IBatteryStats>(sm->getService(name)); 71 if (mBatteryStatService == NULL) { 72 ALOGE("batterystats service unavailable!"); 73 } 74 } 75} 76 77void MediaCodec::BatteryNotifier::noteStartVideo() { 78 if (mVideoRefCount == 0 && mBatteryStatService != NULL) { 79 mBatteryStatService->noteStartVideo(AID_MEDIA); 80 } 81 mVideoRefCount++; 82} 83 84void MediaCodec::BatteryNotifier::noteStopVideo() { 85 if (mVideoRefCount == 0) { 86 ALOGW("BatteryNotifier::noteStop(): video refcount is broken!"); 87 return; 88 } 89 90 mVideoRefCount--; 91 if (mVideoRefCount == 0 && mBatteryStatService != NULL) { 92 mBatteryStatService->noteStopVideo(AID_MEDIA); 93 } 94} 95 96void MediaCodec::BatteryNotifier::noteStartAudio() { 97 if (mAudioRefCount == 0 && mBatteryStatService != NULL) { 98 mBatteryStatService->noteStartAudio(AID_MEDIA); 99 } 100 mAudioRefCount++; 101} 102 103void MediaCodec::BatteryNotifier::noteStopAudio() { 104 if (mAudioRefCount == 0) { 105 ALOGW("BatteryNotifier::noteStop(): audio refcount is broken!"); 106 return; 107 } 108 109 mAudioRefCount--; 110 if (mAudioRefCount == 0 && mBatteryStatService != NULL) { 111 mBatteryStatService->noteStopAudio(AID_MEDIA); 112 } 113} 114// static 115sp<MediaCodec> MediaCodec::CreateByType( 116 const sp<ALooper> &looper, const char *mime, bool encoder, status_t *err) { 117 sp<MediaCodec> codec = new MediaCodec(looper); 118 119 const status_t ret = codec->init(mime, true /* nameIsType */, encoder); 120 if (err != NULL) { 121 *err = ret; 122 } 123 return ret == OK ? codec : NULL; // NULL deallocates codec. 124} 125 126// static 127sp<MediaCodec> MediaCodec::CreateByComponentName( 128 const sp<ALooper> &looper, const char *name, status_t *err) { 129 sp<MediaCodec> codec = new MediaCodec(looper); 130 131 const status_t ret = codec->init(name, false /* nameIsType */, false /* encoder */); 132 if (err != NULL) { 133 *err = ret; 134 } 135 return ret == OK ? codec : NULL; // NULL deallocates codec. 136} 137 138MediaCodec::MediaCodec(const sp<ALooper> &looper) 139 : mState(UNINITIALIZED), 140 mLooper(looper), 141 mCodec(NULL), 142 mReplyID(0), 143 mFlags(0), 144 mStickyError(OK), 145 mSoftRenderer(NULL), 146 mBatteryStatNotified(false), 147 mIsVideo(false), 148 mDequeueInputTimeoutGeneration(0), 149 mDequeueInputReplyID(0), 150 mDequeueOutputTimeoutGeneration(0), 151 mDequeueOutputReplyID(0), 152 mHaveInputSurface(false) { 153} 154 155MediaCodec::~MediaCodec() { 156 CHECK_EQ(mState, UNINITIALIZED); 157} 158 159// static 160status_t MediaCodec::PostAndAwaitResponse( 161 const sp<AMessage> &msg, sp<AMessage> *response) { 162 status_t err = msg->postAndAwaitResponse(response); 163 164 if (err != OK) { 165 return err; 166 } 167 168 if (!(*response)->findInt32("err", &err)) { 169 err = OK; 170 } 171 172 return err; 173} 174 175// static 176void MediaCodec::PostReplyWithError(int32_t replyID, int32_t err) { 177 sp<AMessage> response = new AMessage; 178 response->setInt32("err", err); 179 response->postReply(replyID); 180} 181 182status_t MediaCodec::init(const char *name, bool nameIsType, bool encoder) { 183 // save init parameters for reset 184 mInitName = name; 185 mInitNameIsType = nameIsType; 186 mInitIsEncoder = encoder; 187 188 // Current video decoders do not return from OMX_FillThisBuffer 189 // quickly, violating the OpenMAX specs, until that is remedied 190 // we need to invest in an extra looper to free the main event 191 // queue. 192 mCodec = new ACodec; 193 bool needDedicatedLooper = false; 194 if (nameIsType && !strncasecmp(name, "video/", 6)) { 195 needDedicatedLooper = true; 196 } else { 197 AString tmp = name; 198 if (tmp.endsWith(".secure")) { 199 tmp.erase(tmp.size() - 7, 7); 200 } 201 const sp<IMediaCodecList> mcl = MediaCodecList::getInstance(); 202 ssize_t codecIdx = mcl->findCodecByName(tmp.c_str()); 203 if (codecIdx >= 0) { 204 const sp<MediaCodecInfo> info = mcl->getCodecInfo(codecIdx); 205 Vector<AString> mimes; 206 info->getSupportedMimes(&mimes); 207 for (size_t i = 0; i < mimes.size(); i++) { 208 if (mimes[i].startsWith("video/")) { 209 needDedicatedLooper = true; 210 break; 211 } 212 } 213 } 214 } 215 216 if (needDedicatedLooper) { 217 if (mCodecLooper == NULL) { 218 mCodecLooper = new ALooper; 219 mCodecLooper->setName("CodecLooper"); 220 mCodecLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 221 } 222 223 mCodecLooper->registerHandler(mCodec); 224 } else { 225 mLooper->registerHandler(mCodec); 226 } 227 228 mLooper->registerHandler(this); 229 230 mCodec->setNotificationMessage(new AMessage(kWhatCodecNotify, id())); 231 232 sp<AMessage> msg = new AMessage(kWhatInit, id()); 233 msg->setString("name", name); 234 msg->setInt32("nameIsType", nameIsType); 235 236 if (nameIsType) { 237 msg->setInt32("encoder", encoder); 238 } 239 240 sp<AMessage> response; 241 return PostAndAwaitResponse(msg, &response); 242} 243 244status_t MediaCodec::setCallback(const sp<AMessage> &callback) { 245 sp<AMessage> msg = new AMessage(kWhatSetCallback, id()); 246 msg->setMessage("callback", callback); 247 248 sp<AMessage> response; 249 return PostAndAwaitResponse(msg, &response); 250} 251 252status_t MediaCodec::configure( 253 const sp<AMessage> &format, 254 const sp<Surface> &nativeWindow, 255 const sp<ICrypto> &crypto, 256 uint32_t flags) { 257 sp<AMessage> msg = new AMessage(kWhatConfigure, id()); 258 259 msg->setMessage("format", format); 260 msg->setInt32("flags", flags); 261 262 if (nativeWindow != NULL) { 263 msg->setObject( 264 "native-window", 265 new NativeWindowWrapper(nativeWindow)); 266 } 267 268 if (crypto != NULL) { 269 msg->setPointer("crypto", crypto.get()); 270 } 271 272 sp<AMessage> response; 273 return PostAndAwaitResponse(msg, &response); 274} 275 276status_t MediaCodec::createInputSurface( 277 sp<IGraphicBufferProducer>* bufferProducer) { 278 sp<AMessage> msg = new AMessage(kWhatCreateInputSurface, id()); 279 280 sp<AMessage> response; 281 status_t err = PostAndAwaitResponse(msg, &response); 282 if (err == NO_ERROR) { 283 // unwrap the sp<IGraphicBufferProducer> 284 sp<RefBase> obj; 285 bool found = response->findObject("input-surface", &obj); 286 CHECK(found); 287 sp<BufferProducerWrapper> wrapper( 288 static_cast<BufferProducerWrapper*>(obj.get())); 289 *bufferProducer = wrapper->getBufferProducer(); 290 } else { 291 ALOGW("createInputSurface failed, err=%d", err); 292 } 293 return err; 294} 295 296status_t MediaCodec::start() { 297 sp<AMessage> msg = new AMessage(kWhatStart, id()); 298 299 sp<AMessage> response; 300 return PostAndAwaitResponse(msg, &response); 301} 302 303status_t MediaCodec::stop() { 304 sp<AMessage> msg = new AMessage(kWhatStop, id()); 305 306 sp<AMessage> response; 307 return PostAndAwaitResponse(msg, &response); 308} 309 310status_t MediaCodec::release() { 311 sp<AMessage> msg = new AMessage(kWhatRelease, id()); 312 313 sp<AMessage> response; 314 return PostAndAwaitResponse(msg, &response); 315} 316 317status_t MediaCodec::reset() { 318 /* When external-facing MediaCodec object is created, 319 it is already initialized. Thus, reset is essentially 320 release() followed by init(), plus clearing the state */ 321 322 status_t err = release(); 323 324 // unregister handlers 325 if (mCodec != NULL) { 326 if (mCodecLooper != NULL) { 327 mCodecLooper->unregisterHandler(mCodec->id()); 328 } else { 329 mLooper->unregisterHandler(mCodec->id()); 330 } 331 mCodec = NULL; 332 } 333 mLooper->unregisterHandler(id()); 334 335 mFlags = 0; // clear all flags 336 mStickyError = OK; 337 338 // reset state not reset by setState(UNINITIALIZED) 339 mReplyID = 0; 340 mDequeueInputReplyID = 0; 341 mDequeueOutputReplyID = 0; 342 mDequeueInputTimeoutGeneration = 0; 343 mDequeueOutputTimeoutGeneration = 0; 344 mHaveInputSurface = false; 345 346 if (err == OK) { 347 err = init(mInitName.c_str(), mInitNameIsType, mInitIsEncoder); 348 } 349 return err; 350} 351 352status_t MediaCodec::queueInputBuffer( 353 size_t index, 354 size_t offset, 355 size_t size, 356 int64_t presentationTimeUs, 357 uint32_t flags, 358 AString *errorDetailMsg) { 359 if (errorDetailMsg != NULL) { 360 errorDetailMsg->clear(); 361 } 362 363 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 364 msg->setSize("index", index); 365 msg->setSize("offset", offset); 366 msg->setSize("size", size); 367 msg->setInt64("timeUs", presentationTimeUs); 368 msg->setInt32("flags", flags); 369 msg->setPointer("errorDetailMsg", errorDetailMsg); 370 371 sp<AMessage> response; 372 return PostAndAwaitResponse(msg, &response); 373} 374 375status_t MediaCodec::queueSecureInputBuffer( 376 size_t index, 377 size_t offset, 378 const CryptoPlugin::SubSample *subSamples, 379 size_t numSubSamples, 380 const uint8_t key[16], 381 const uint8_t iv[16], 382 CryptoPlugin::Mode mode, 383 int64_t presentationTimeUs, 384 uint32_t flags, 385 AString *errorDetailMsg) { 386 if (errorDetailMsg != NULL) { 387 errorDetailMsg->clear(); 388 } 389 390 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 391 msg->setSize("index", index); 392 msg->setSize("offset", offset); 393 msg->setPointer("subSamples", (void *)subSamples); 394 msg->setSize("numSubSamples", numSubSamples); 395 msg->setPointer("key", (void *)key); 396 msg->setPointer("iv", (void *)iv); 397 msg->setInt32("mode", mode); 398 msg->setInt64("timeUs", presentationTimeUs); 399 msg->setInt32("flags", flags); 400 msg->setPointer("errorDetailMsg", errorDetailMsg); 401 402 sp<AMessage> response; 403 status_t err = PostAndAwaitResponse(msg, &response); 404 405 return err; 406} 407 408status_t MediaCodec::dequeueInputBuffer(size_t *index, int64_t timeoutUs) { 409 sp<AMessage> msg = new AMessage(kWhatDequeueInputBuffer, id()); 410 msg->setInt64("timeoutUs", timeoutUs); 411 412 sp<AMessage> response; 413 status_t err; 414 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 415 return err; 416 } 417 418 CHECK(response->findSize("index", index)); 419 420 return OK; 421} 422 423status_t MediaCodec::dequeueOutputBuffer( 424 size_t *index, 425 size_t *offset, 426 size_t *size, 427 int64_t *presentationTimeUs, 428 uint32_t *flags, 429 int64_t timeoutUs) { 430 sp<AMessage> msg = new AMessage(kWhatDequeueOutputBuffer, id()); 431 msg->setInt64("timeoutUs", timeoutUs); 432 433 sp<AMessage> response; 434 status_t err; 435 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 436 return err; 437 } 438 439 CHECK(response->findSize("index", index)); 440 CHECK(response->findSize("offset", offset)); 441 CHECK(response->findSize("size", size)); 442 CHECK(response->findInt64("timeUs", presentationTimeUs)); 443 CHECK(response->findInt32("flags", (int32_t *)flags)); 444 445 return OK; 446} 447 448status_t MediaCodec::renderOutputBufferAndRelease(size_t index) { 449 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 450 msg->setSize("index", index); 451 msg->setInt32("render", true); 452 453 sp<AMessage> response; 454 return PostAndAwaitResponse(msg, &response); 455} 456 457status_t MediaCodec::renderOutputBufferAndRelease(size_t index, int64_t timestampNs) { 458 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 459 msg->setSize("index", index); 460 msg->setInt32("render", true); 461 msg->setInt64("timestampNs", timestampNs); 462 463 sp<AMessage> response; 464 return PostAndAwaitResponse(msg, &response); 465} 466 467status_t MediaCodec::releaseOutputBuffer(size_t index) { 468 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 469 msg->setSize("index", index); 470 471 sp<AMessage> response; 472 return PostAndAwaitResponse(msg, &response); 473} 474 475status_t MediaCodec::signalEndOfInputStream() { 476 sp<AMessage> msg = new AMessage(kWhatSignalEndOfInputStream, id()); 477 478 sp<AMessage> response; 479 return PostAndAwaitResponse(msg, &response); 480} 481 482status_t MediaCodec::getOutputFormat(sp<AMessage> *format) const { 483 sp<AMessage> msg = new AMessage(kWhatGetOutputFormat, id()); 484 485 sp<AMessage> response; 486 status_t err; 487 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 488 return err; 489 } 490 491 CHECK(response->findMessage("format", format)); 492 493 return OK; 494} 495 496status_t MediaCodec::getInputFormat(sp<AMessage> *format) const { 497 sp<AMessage> msg = new AMessage(kWhatGetInputFormat, id()); 498 499 sp<AMessage> response; 500 status_t err; 501 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 502 return err; 503 } 504 505 CHECK(response->findMessage("format", format)); 506 507 return OK; 508} 509 510status_t MediaCodec::getName(AString *name) const { 511 sp<AMessage> msg = new AMessage(kWhatGetName, id()); 512 513 sp<AMessage> response; 514 status_t err; 515 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 516 return err; 517 } 518 519 CHECK(response->findString("name", name)); 520 521 return OK; 522} 523 524status_t MediaCodec::getInputBuffers(Vector<sp<ABuffer> > *buffers) const { 525 sp<AMessage> msg = new AMessage(kWhatGetBuffers, id()); 526 msg->setInt32("portIndex", kPortIndexInput); 527 msg->setPointer("buffers", buffers); 528 529 sp<AMessage> response; 530 return PostAndAwaitResponse(msg, &response); 531} 532 533status_t MediaCodec::getOutputBuffers(Vector<sp<ABuffer> > *buffers) const { 534 sp<AMessage> msg = new AMessage(kWhatGetBuffers, id()); 535 msg->setInt32("portIndex", kPortIndexOutput); 536 msg->setPointer("buffers", buffers); 537 538 sp<AMessage> response; 539 return PostAndAwaitResponse(msg, &response); 540} 541 542status_t MediaCodec::getOutputBuffer(size_t index, sp<ABuffer> *buffer) { 543 sp<AMessage> format; 544 return getBufferAndFormat(kPortIndexOutput, index, buffer, &format); 545} 546 547status_t MediaCodec::getOutputFormat(size_t index, sp<AMessage> *format) { 548 sp<ABuffer> buffer; 549 return getBufferAndFormat(kPortIndexOutput, index, &buffer, format); 550} 551 552status_t MediaCodec::getInputBuffer(size_t index, sp<ABuffer> *buffer) { 553 sp<AMessage> format; 554 return getBufferAndFormat(kPortIndexInput, index, buffer, &format); 555} 556 557bool MediaCodec::isExecuting() const { 558 return mState == STARTED || mState == FLUSHED; 559} 560 561status_t MediaCodec::getBufferAndFormat( 562 size_t portIndex, size_t index, 563 sp<ABuffer> *buffer, sp<AMessage> *format) { 564 // use mutex instead of a context switch 565 566 buffer->clear(); 567 format->clear(); 568 if (!isExecuting()) { 569 return INVALID_OPERATION; 570 } 571 572 // we do not want mPortBuffers to change during this section 573 // we also don't want mOwnedByClient to change during this 574 Mutex::Autolock al(mBufferLock); 575 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 576 if (index < buffers->size()) { 577 const BufferInfo &info = buffers->itemAt(index); 578 if (info.mOwnedByClient) { 579 *buffer = info.mData; 580 *format = info.mFormat; 581 } 582 } 583 return OK; 584} 585 586status_t MediaCodec::flush() { 587 sp<AMessage> msg = new AMessage(kWhatFlush, id()); 588 589 sp<AMessage> response; 590 return PostAndAwaitResponse(msg, &response); 591} 592 593status_t MediaCodec::requestIDRFrame() { 594 (new AMessage(kWhatRequestIDRFrame, id()))->post(); 595 596 return OK; 597} 598 599void MediaCodec::requestActivityNotification(const sp<AMessage> ¬ify) { 600 sp<AMessage> msg = new AMessage(kWhatRequestActivityNotification, id()); 601 msg->setMessage("notify", notify); 602 msg->post(); 603} 604 605//////////////////////////////////////////////////////////////////////////////// 606 607void MediaCodec::cancelPendingDequeueOperations() { 608 if (mFlags & kFlagDequeueInputPending) { 609 PostReplyWithError(mDequeueInputReplyID, INVALID_OPERATION); 610 611 ++mDequeueInputTimeoutGeneration; 612 mDequeueInputReplyID = 0; 613 mFlags &= ~kFlagDequeueInputPending; 614 } 615 616 if (mFlags & kFlagDequeueOutputPending) { 617 PostReplyWithError(mDequeueOutputReplyID, INVALID_OPERATION); 618 619 ++mDequeueOutputTimeoutGeneration; 620 mDequeueOutputReplyID = 0; 621 mFlags &= ~kFlagDequeueOutputPending; 622 } 623} 624 625bool MediaCodec::handleDequeueInputBuffer(uint32_t replyID, bool newRequest) { 626 if (!isExecuting() || (mFlags & kFlagIsAsync) 627 || (newRequest && (mFlags & kFlagDequeueInputPending))) { 628 PostReplyWithError(replyID, INVALID_OPERATION); 629 return true; 630 } else if (mFlags & kFlagStickyError) { 631 PostReplyWithError(replyID, getStickyError()); 632 return true; 633 } 634 635 ssize_t index = dequeuePortBuffer(kPortIndexInput); 636 637 if (index < 0) { 638 CHECK_EQ(index, -EAGAIN); 639 return false; 640 } 641 642 sp<AMessage> response = new AMessage; 643 response->setSize("index", index); 644 response->postReply(replyID); 645 646 return true; 647} 648 649bool MediaCodec::handleDequeueOutputBuffer(uint32_t replyID, bool newRequest) { 650 sp<AMessage> response = new AMessage; 651 652 if (!isExecuting() || (mFlags & kFlagIsAsync) 653 || (newRequest && (mFlags & kFlagDequeueOutputPending))) { 654 response->setInt32("err", INVALID_OPERATION); 655 } else if (mFlags & kFlagStickyError) { 656 response->setInt32("err", getStickyError()); 657 } else if (mFlags & kFlagOutputBuffersChanged) { 658 response->setInt32("err", INFO_OUTPUT_BUFFERS_CHANGED); 659 mFlags &= ~kFlagOutputBuffersChanged; 660 } else if (mFlags & kFlagOutputFormatChanged) { 661 response->setInt32("err", INFO_FORMAT_CHANGED); 662 mFlags &= ~kFlagOutputFormatChanged; 663 } else { 664 ssize_t index = dequeuePortBuffer(kPortIndexOutput); 665 666 if (index < 0) { 667 CHECK_EQ(index, -EAGAIN); 668 return false; 669 } 670 671 const sp<ABuffer> &buffer = 672 mPortBuffers[kPortIndexOutput].itemAt(index).mData; 673 674 response->setSize("index", index); 675 response->setSize("offset", buffer->offset()); 676 response->setSize("size", buffer->size()); 677 678 int64_t timeUs; 679 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 680 681 response->setInt64("timeUs", timeUs); 682 683 int32_t omxFlags; 684 CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags)); 685 686 uint32_t flags = 0; 687 if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) { 688 flags |= BUFFER_FLAG_SYNCFRAME; 689 } 690 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 691 flags |= BUFFER_FLAG_CODECCONFIG; 692 } 693 if (omxFlags & OMX_BUFFERFLAG_EOS) { 694 flags |= BUFFER_FLAG_EOS; 695 } 696 697 response->setInt32("flags", flags); 698 } 699 700 response->postReply(replyID); 701 702 return true; 703} 704 705void MediaCodec::onMessageReceived(const sp<AMessage> &msg) { 706 switch (msg->what()) { 707 case kWhatCodecNotify: 708 { 709 int32_t what; 710 CHECK(msg->findInt32("what", &what)); 711 712 switch (what) { 713 case CodecBase::kWhatError: 714 { 715 int32_t err, actionCode; 716 CHECK(msg->findInt32("err", &err)); 717 CHECK(msg->findInt32("actionCode", &actionCode)); 718 719 ALOGE("Codec reported err %#x, actionCode %d", err, actionCode); 720 if (err == DEAD_OBJECT) { 721 mFlags |= kFlagSawMediaServerDie; 722 } 723 724 bool sendErrorReponse = true; 725 726 switch (mState) { 727 case INITIALIZING: 728 { 729 setState(UNINITIALIZED); 730 break; 731 } 732 733 case CONFIGURING: 734 { 735 setState(INITIALIZED); 736 break; 737 } 738 739 case STARTING: 740 { 741 setState(CONFIGURED); 742 break; 743 } 744 745 case STOPPING: 746 case RELEASING: 747 { 748 // Ignore the error, assuming we'll still get 749 // the shutdown complete notification. 750 751 sendErrorReponse = false; 752 753 if (mFlags & kFlagSawMediaServerDie) { 754 // MediaServer died, there definitely won't 755 // be a shutdown complete notification after 756 // all. 757 758 // note that we're directly going from 759 // STOPPING->UNINITIALIZED, instead of the 760 // usual STOPPING->INITIALIZED state. 761 setState(UNINITIALIZED); 762 763 (new AMessage)->postReply(mReplyID); 764 } 765 break; 766 } 767 768 case FLUSHING: 769 { 770 setState( 771 (mFlags & kFlagIsAsync) ? FLUSHED : STARTED); 772 break; 773 } 774 775 case FLUSHED: 776 case STARTED: 777 { 778 sendErrorReponse = false; 779 780 setStickyError(err); 781 postActivityNotificationIfPossible(); 782 783 cancelPendingDequeueOperations(); 784 785 if (mFlags & kFlagIsAsync) { 786 onError(err, actionCode); 787 } 788 switch (actionCode) { 789 case ACTION_CODE_TRANSIENT: 790 break; 791 case ACTION_CODE_RECOVERABLE: 792 setState(INITIALIZED); 793 break; 794 default: 795 setState(UNINITIALIZED); 796 break; 797 } 798 break; 799 } 800 801 default: 802 { 803 sendErrorReponse = false; 804 805 setStickyError(err); 806 postActivityNotificationIfPossible(); 807 808 // actionCode in an uninitialized state is always fatal. 809 if (mState == UNINITIALIZED) { 810 actionCode = ACTION_CODE_FATAL; 811 } 812 if (mFlags & kFlagIsAsync) { 813 onError(err, actionCode); 814 } 815 switch (actionCode) { 816 case ACTION_CODE_TRANSIENT: 817 break; 818 case ACTION_CODE_RECOVERABLE: 819 setState(INITIALIZED); 820 break; 821 default: 822 setState(UNINITIALIZED); 823 break; 824 } 825 break; 826 } 827 } 828 829 if (sendErrorReponse) { 830 PostReplyWithError(mReplyID, err); 831 } 832 break; 833 } 834 835 case CodecBase::kWhatComponentAllocated: 836 { 837 CHECK_EQ(mState, INITIALIZING); 838 setState(INITIALIZED); 839 840 CHECK(msg->findString("componentName", &mComponentName)); 841 842 if (mComponentName.startsWith("OMX.google.")) { 843 mFlags |= kFlagIsSoftwareCodec; 844 } else { 845 mFlags &= ~kFlagIsSoftwareCodec; 846 } 847 848 if (mComponentName.endsWith(".secure")) { 849 mFlags |= kFlagIsSecure; 850 } else { 851 mFlags &= ~kFlagIsSecure; 852 } 853 854 (new AMessage)->postReply(mReplyID); 855 break; 856 } 857 858 case CodecBase::kWhatComponentConfigured: 859 { 860 CHECK_EQ(mState, CONFIGURING); 861 862 // reset input surface flag 863 mHaveInputSurface = false; 864 865 CHECK(msg->findMessage("input-format", &mInputFormat)); 866 CHECK(msg->findMessage("output-format", &mOutputFormat)); 867 868 setState(CONFIGURED); 869 (new AMessage)->postReply(mReplyID); 870 break; 871 } 872 873 case CodecBase::kWhatInputSurfaceCreated: 874 { 875 // response to initiateCreateInputSurface() 876 status_t err = NO_ERROR; 877 sp<AMessage> response = new AMessage(); 878 if (!msg->findInt32("err", &err)) { 879 sp<RefBase> obj; 880 msg->findObject("input-surface", &obj); 881 CHECK(obj != NULL); 882 response->setObject("input-surface", obj); 883 mHaveInputSurface = true; 884 } else { 885 response->setInt32("err", err); 886 } 887 response->postReply(mReplyID); 888 break; 889 } 890 891 case CodecBase::kWhatSignaledInputEOS: 892 { 893 // response to signalEndOfInputStream() 894 sp<AMessage> response = new AMessage(); 895 status_t err; 896 if (msg->findInt32("err", &err)) { 897 response->setInt32("err", err); 898 } 899 response->postReply(mReplyID); 900 break; 901 } 902 903 904 case CodecBase::kWhatBuffersAllocated: 905 { 906 Mutex::Autolock al(mBufferLock); 907 int32_t portIndex; 908 CHECK(msg->findInt32("portIndex", &portIndex)); 909 910 ALOGV("%s buffers allocated", 911 portIndex == kPortIndexInput ? "input" : "output"); 912 913 CHECK(portIndex == kPortIndexInput 914 || portIndex == kPortIndexOutput); 915 916 mPortBuffers[portIndex].clear(); 917 918 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 919 920 sp<RefBase> obj; 921 CHECK(msg->findObject("portDesc", &obj)); 922 923 sp<CodecBase::PortDescription> portDesc = 924 static_cast<CodecBase::PortDescription *>(obj.get()); 925 926 size_t numBuffers = portDesc->countBuffers(); 927 928 for (size_t i = 0; i < numBuffers; ++i) { 929 BufferInfo info; 930 info.mBufferID = portDesc->bufferIDAt(i); 931 info.mOwnedByClient = false; 932 info.mData = portDesc->bufferAt(i); 933 934 if (portIndex == kPortIndexInput && mCrypto != NULL) { 935 info.mEncryptedData = 936 new ABuffer(info.mData->capacity()); 937 } 938 939 buffers->push_back(info); 940 } 941 942 if (portIndex == kPortIndexOutput) { 943 if (mState == STARTING) { 944 // We're always allocating output buffers after 945 // allocating input buffers, so this is a good 946 // indication that now all buffers are allocated. 947 setState(STARTED); 948 (new AMessage)->postReply(mReplyID); 949 } else { 950 mFlags |= kFlagOutputBuffersChanged; 951 postActivityNotificationIfPossible(); 952 } 953 } 954 break; 955 } 956 957 case CodecBase::kWhatOutputFormatChanged: 958 { 959 ALOGV("codec output format changed"); 960 961 if (mSoftRenderer == NULL && 962 mNativeWindow != NULL && 963 (mFlags & kFlagIsSoftwareCodec)) { 964 AString mime; 965 CHECK(msg->findString("mime", &mime)); 966 967 if (mime.startsWithIgnoreCase("video/")) { 968 mSoftRenderer = new SoftwareRenderer(mNativeWindow); 969 } 970 } 971 972 mOutputFormat = msg; 973 974 if (mFlags & kFlagIsEncoder) { 975 // Before we announce the format change we should 976 // collect codec specific data and amend the output 977 // format as necessary. 978 mFlags |= kFlagGatherCodecSpecificData; 979 } else if (mFlags & kFlagIsAsync) { 980 onOutputFormatChanged(); 981 } else { 982 mFlags |= kFlagOutputFormatChanged; 983 postActivityNotificationIfPossible(); 984 } 985 break; 986 } 987 988 case CodecBase::kWhatFillThisBuffer: 989 { 990 /* size_t index = */updateBuffers(kPortIndexInput, msg); 991 992 if (mState == FLUSHING 993 || mState == STOPPING 994 || mState == RELEASING) { 995 returnBuffersToCodecOnPort(kPortIndexInput); 996 break; 997 } 998 999 if (!mCSD.empty()) { 1000 ssize_t index = dequeuePortBuffer(kPortIndexInput); 1001 CHECK_GE(index, 0); 1002 1003 // If codec specific data had been specified as 1004 // part of the format in the call to configure and 1005 // if there's more csd left, we submit it here 1006 // clients only get access to input buffers once 1007 // this data has been exhausted. 1008 1009 status_t err = queueCSDInputBuffer(index); 1010 1011 if (err != OK) { 1012 ALOGE("queueCSDInputBuffer failed w/ error %d", 1013 err); 1014 1015 setStickyError(err); 1016 postActivityNotificationIfPossible(); 1017 1018 cancelPendingDequeueOperations(); 1019 } 1020 break; 1021 } 1022 1023 if (mFlags & kFlagIsAsync) { 1024 onInputBufferAvailable(); 1025 } else if (mFlags & kFlagDequeueInputPending) { 1026 CHECK(handleDequeueInputBuffer(mDequeueInputReplyID)); 1027 1028 ++mDequeueInputTimeoutGeneration; 1029 mFlags &= ~kFlagDequeueInputPending; 1030 mDequeueInputReplyID = 0; 1031 } else { 1032 postActivityNotificationIfPossible(); 1033 } 1034 break; 1035 } 1036 1037 case CodecBase::kWhatDrainThisBuffer: 1038 { 1039 /* size_t index = */updateBuffers(kPortIndexOutput, msg); 1040 1041 if (mState == FLUSHING 1042 || mState == STOPPING 1043 || mState == RELEASING) { 1044 returnBuffersToCodecOnPort(kPortIndexOutput); 1045 break; 1046 } 1047 1048 sp<ABuffer> buffer; 1049 CHECK(msg->findBuffer("buffer", &buffer)); 1050 1051 int32_t omxFlags; 1052 CHECK(msg->findInt32("flags", &omxFlags)); 1053 1054 buffer->meta()->setInt32("omxFlags", omxFlags); 1055 1056 if (mFlags & kFlagGatherCodecSpecificData) { 1057 // This is the very first output buffer after a 1058 // format change was signalled, it'll either contain 1059 // the one piece of codec specific data we can expect 1060 // or there won't be codec specific data. 1061 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 1062 status_t err = 1063 amendOutputFormatWithCodecSpecificData(buffer); 1064 1065 if (err != OK) { 1066 ALOGE("Codec spit out malformed codec " 1067 "specific data!"); 1068 } 1069 } 1070 1071 mFlags &= ~kFlagGatherCodecSpecificData; 1072 if (mFlags & kFlagIsAsync) { 1073 onOutputFormatChanged(); 1074 } else { 1075 mFlags |= kFlagOutputFormatChanged; 1076 } 1077 } 1078 1079 if (mFlags & kFlagIsAsync) { 1080 onOutputBufferAvailable(); 1081 } else if (mFlags & kFlagDequeueOutputPending) { 1082 CHECK(handleDequeueOutputBuffer(mDequeueOutputReplyID)); 1083 1084 ++mDequeueOutputTimeoutGeneration; 1085 mFlags &= ~kFlagDequeueOutputPending; 1086 mDequeueOutputReplyID = 0; 1087 } else { 1088 postActivityNotificationIfPossible(); 1089 } 1090 1091 break; 1092 } 1093 1094 case CodecBase::kWhatEOS: 1095 { 1096 // We already notify the client of this by using the 1097 // corresponding flag in "onOutputBufferReady". 1098 break; 1099 } 1100 1101 case CodecBase::kWhatShutdownCompleted: 1102 { 1103 if (mState == STOPPING) { 1104 setState(INITIALIZED); 1105 } else { 1106 CHECK_EQ(mState, RELEASING); 1107 setState(UNINITIALIZED); 1108 } 1109 1110 (new AMessage)->postReply(mReplyID); 1111 break; 1112 } 1113 1114 case CodecBase::kWhatFlushCompleted: 1115 { 1116 CHECK_EQ(mState, FLUSHING); 1117 1118 if (mFlags & kFlagIsAsync) { 1119 setState(FLUSHED); 1120 } else { 1121 setState(STARTED); 1122 mCodec->signalResume(); 1123 } 1124 1125 (new AMessage)->postReply(mReplyID); 1126 break; 1127 } 1128 1129 default: 1130 TRESPASS(); 1131 } 1132 break; 1133 } 1134 1135 case kWhatInit: 1136 { 1137 uint32_t replyID; 1138 CHECK(msg->senderAwaitsResponse(&replyID)); 1139 1140 if (mState != UNINITIALIZED) { 1141 PostReplyWithError(replyID, INVALID_OPERATION); 1142 break; 1143 } 1144 1145 mReplyID = replyID; 1146 setState(INITIALIZING); 1147 1148 AString name; 1149 CHECK(msg->findString("name", &name)); 1150 1151 int32_t nameIsType; 1152 int32_t encoder = false; 1153 CHECK(msg->findInt32("nameIsType", &nameIsType)); 1154 if (nameIsType) { 1155 CHECK(msg->findInt32("encoder", &encoder)); 1156 } 1157 1158 sp<AMessage> format = new AMessage; 1159 1160 if (nameIsType) { 1161 format->setString("mime", name.c_str()); 1162 format->setInt32("encoder", encoder); 1163 } else { 1164 format->setString("componentName", name.c_str()); 1165 } 1166 1167 mCodec->initiateAllocateComponent(format); 1168 break; 1169 } 1170 1171 case kWhatSetCallback: 1172 { 1173 uint32_t replyID; 1174 CHECK(msg->senderAwaitsResponse(&replyID)); 1175 1176 if (mState == UNINITIALIZED 1177 || mState == INITIALIZING 1178 || isExecuting()) { 1179 // callback can't be set after codec is executing, 1180 // or before it's initialized (as the callback 1181 // will be cleared when it goes to INITIALIZED) 1182 PostReplyWithError(replyID, INVALID_OPERATION); 1183 break; 1184 } 1185 1186 sp<AMessage> callback; 1187 CHECK(msg->findMessage("callback", &callback)); 1188 1189 mCallback = callback; 1190 1191 if (mCallback != NULL) { 1192 ALOGI("MediaCodec will operate in async mode"); 1193 mFlags |= kFlagIsAsync; 1194 } else { 1195 mFlags &= ~kFlagIsAsync; 1196 } 1197 1198 sp<AMessage> response = new AMessage; 1199 response->postReply(replyID); 1200 break; 1201 } 1202 1203 case kWhatConfigure: 1204 { 1205 uint32_t replyID; 1206 CHECK(msg->senderAwaitsResponse(&replyID)); 1207 1208 if (mState != INITIALIZED) { 1209 PostReplyWithError(replyID, INVALID_OPERATION); 1210 break; 1211 } 1212 1213 sp<RefBase> obj; 1214 if (!msg->findObject("native-window", &obj)) { 1215 obj.clear(); 1216 } 1217 1218 sp<AMessage> format; 1219 CHECK(msg->findMessage("format", &format)); 1220 1221 if (obj != NULL) { 1222 format->setObject("native-window", obj); 1223 1224 status_t err = setNativeWindow( 1225 static_cast<NativeWindowWrapper *>(obj.get()) 1226 ->getSurfaceTextureClient()); 1227 1228 if (err != OK) { 1229 PostReplyWithError(replyID, err); 1230 break; 1231 } 1232 } else { 1233 setNativeWindow(NULL); 1234 } 1235 1236 mReplyID = replyID; 1237 setState(CONFIGURING); 1238 1239 void *crypto; 1240 if (!msg->findPointer("crypto", &crypto)) { 1241 crypto = NULL; 1242 } 1243 1244 mCrypto = static_cast<ICrypto *>(crypto); 1245 1246 uint32_t flags; 1247 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1248 1249 if (flags & CONFIGURE_FLAG_ENCODE) { 1250 format->setInt32("encoder", true); 1251 mFlags |= kFlagIsEncoder; 1252 } 1253 1254 extractCSD(format); 1255 1256 mCodec->initiateConfigureComponent(format); 1257 break; 1258 } 1259 1260 case kWhatCreateInputSurface: 1261 { 1262 uint32_t replyID; 1263 CHECK(msg->senderAwaitsResponse(&replyID)); 1264 1265 // Must be configured, but can't have been started yet. 1266 if (mState != CONFIGURED) { 1267 PostReplyWithError(replyID, INVALID_OPERATION); 1268 break; 1269 } 1270 1271 mReplyID = replyID; 1272 mCodec->initiateCreateInputSurface(); 1273 break; 1274 } 1275 1276 case kWhatStart: 1277 { 1278 uint32_t replyID; 1279 CHECK(msg->senderAwaitsResponse(&replyID)); 1280 1281 if (mState == FLUSHED) { 1282 mCodec->signalResume(); 1283 PostReplyWithError(replyID, OK); 1284 } else if (mState != CONFIGURED) { 1285 PostReplyWithError(replyID, INVALID_OPERATION); 1286 break; 1287 } 1288 1289 mReplyID = replyID; 1290 setState(STARTING); 1291 1292 mCodec->initiateStart(); 1293 break; 1294 } 1295 1296 case kWhatStop: 1297 case kWhatRelease: 1298 { 1299 State targetState = 1300 (msg->what() == kWhatStop) ? INITIALIZED : UNINITIALIZED; 1301 1302 uint32_t replyID; 1303 CHECK(msg->senderAwaitsResponse(&replyID)); 1304 1305 if (mState != INITIALIZED 1306 && mState != CONFIGURED && !isExecuting()) { 1307 // We may be in "UNINITIALIZED" state already without the 1308 // client being aware of this if media server died while 1309 // we were being stopped. The client would assume that 1310 // after stop() returned, it would be safe to call release() 1311 // and it should be in this case, no harm to allow a release() 1312 // if we're already uninitialized. 1313 // Similarly stopping a stopped MediaCodec should be benign. 1314 sp<AMessage> response = new AMessage; 1315 response->setInt32( 1316 "err", 1317 mState == targetState ? OK : INVALID_OPERATION); 1318 1319 response->postReply(replyID); 1320 break; 1321 } 1322 1323 if (mFlags & kFlagSawMediaServerDie) { 1324 // It's dead, Jim. Don't expect initiateShutdown to yield 1325 // any useful results now... 1326 setState(UNINITIALIZED); 1327 (new AMessage)->postReply(replyID); 1328 break; 1329 } 1330 1331 mReplyID = replyID; 1332 setState(msg->what() == kWhatStop ? STOPPING : RELEASING); 1333 1334 mCodec->initiateShutdown( 1335 msg->what() == kWhatStop /* keepComponentAllocated */); 1336 1337 returnBuffersToCodec(); 1338 break; 1339 } 1340 1341 case kWhatDequeueInputBuffer: 1342 { 1343 uint32_t replyID; 1344 CHECK(msg->senderAwaitsResponse(&replyID)); 1345 1346 if (mFlags & kFlagIsAsync) { 1347 ALOGE("dequeueOutputBuffer can't be used in async mode"); 1348 PostReplyWithError(replyID, INVALID_OPERATION); 1349 break; 1350 } 1351 1352 if (mHaveInputSurface) { 1353 ALOGE("dequeueInputBuffer can't be used with input surface"); 1354 PostReplyWithError(replyID, INVALID_OPERATION); 1355 break; 1356 } 1357 1358 if (handleDequeueInputBuffer(replyID, true /* new request */)) { 1359 break; 1360 } 1361 1362 int64_t timeoutUs; 1363 CHECK(msg->findInt64("timeoutUs", &timeoutUs)); 1364 1365 if (timeoutUs == 0ll) { 1366 PostReplyWithError(replyID, -EAGAIN); 1367 break; 1368 } 1369 1370 mFlags |= kFlagDequeueInputPending; 1371 mDequeueInputReplyID = replyID; 1372 1373 if (timeoutUs > 0ll) { 1374 sp<AMessage> timeoutMsg = 1375 new AMessage(kWhatDequeueInputTimedOut, id()); 1376 timeoutMsg->setInt32( 1377 "generation", ++mDequeueInputTimeoutGeneration); 1378 timeoutMsg->post(timeoutUs); 1379 } 1380 break; 1381 } 1382 1383 case kWhatDequeueInputTimedOut: 1384 { 1385 int32_t generation; 1386 CHECK(msg->findInt32("generation", &generation)); 1387 1388 if (generation != mDequeueInputTimeoutGeneration) { 1389 // Obsolete 1390 break; 1391 } 1392 1393 CHECK(mFlags & kFlagDequeueInputPending); 1394 1395 PostReplyWithError(mDequeueInputReplyID, -EAGAIN); 1396 1397 mFlags &= ~kFlagDequeueInputPending; 1398 mDequeueInputReplyID = 0; 1399 break; 1400 } 1401 1402 case kWhatQueueInputBuffer: 1403 { 1404 uint32_t replyID; 1405 CHECK(msg->senderAwaitsResponse(&replyID)); 1406 1407 if (!isExecuting()) { 1408 PostReplyWithError(replyID, INVALID_OPERATION); 1409 break; 1410 } else if (mFlags & kFlagStickyError) { 1411 PostReplyWithError(replyID, getStickyError()); 1412 break; 1413 } 1414 1415 status_t err = onQueueInputBuffer(msg); 1416 1417 PostReplyWithError(replyID, err); 1418 break; 1419 } 1420 1421 case kWhatDequeueOutputBuffer: 1422 { 1423 uint32_t replyID; 1424 CHECK(msg->senderAwaitsResponse(&replyID)); 1425 1426 if (mFlags & kFlagIsAsync) { 1427 ALOGE("dequeueOutputBuffer can't be used in async mode"); 1428 PostReplyWithError(replyID, INVALID_OPERATION); 1429 break; 1430 } 1431 1432 if (handleDequeueOutputBuffer(replyID, true /* new request */)) { 1433 break; 1434 } 1435 1436 int64_t timeoutUs; 1437 CHECK(msg->findInt64("timeoutUs", &timeoutUs)); 1438 1439 if (timeoutUs == 0ll) { 1440 PostReplyWithError(replyID, -EAGAIN); 1441 break; 1442 } 1443 1444 mFlags |= kFlagDequeueOutputPending; 1445 mDequeueOutputReplyID = replyID; 1446 1447 if (timeoutUs > 0ll) { 1448 sp<AMessage> timeoutMsg = 1449 new AMessage(kWhatDequeueOutputTimedOut, id()); 1450 timeoutMsg->setInt32( 1451 "generation", ++mDequeueOutputTimeoutGeneration); 1452 timeoutMsg->post(timeoutUs); 1453 } 1454 break; 1455 } 1456 1457 case kWhatDequeueOutputTimedOut: 1458 { 1459 int32_t generation; 1460 CHECK(msg->findInt32("generation", &generation)); 1461 1462 if (generation != mDequeueOutputTimeoutGeneration) { 1463 // Obsolete 1464 break; 1465 } 1466 1467 CHECK(mFlags & kFlagDequeueOutputPending); 1468 1469 PostReplyWithError(mDequeueOutputReplyID, -EAGAIN); 1470 1471 mFlags &= ~kFlagDequeueOutputPending; 1472 mDequeueOutputReplyID = 0; 1473 break; 1474 } 1475 1476 case kWhatReleaseOutputBuffer: 1477 { 1478 uint32_t replyID; 1479 CHECK(msg->senderAwaitsResponse(&replyID)); 1480 1481 if (!isExecuting()) { 1482 PostReplyWithError(replyID, INVALID_OPERATION); 1483 break; 1484 } else if (mFlags & kFlagStickyError) { 1485 PostReplyWithError(replyID, getStickyError()); 1486 break; 1487 } 1488 1489 status_t err = onReleaseOutputBuffer(msg); 1490 1491 PostReplyWithError(replyID, err); 1492 break; 1493 } 1494 1495 case kWhatSignalEndOfInputStream: 1496 { 1497 uint32_t replyID; 1498 CHECK(msg->senderAwaitsResponse(&replyID)); 1499 1500 if (!isExecuting()) { 1501 PostReplyWithError(replyID, INVALID_OPERATION); 1502 break; 1503 } else if (mFlags & kFlagStickyError) { 1504 PostReplyWithError(replyID, getStickyError()); 1505 break; 1506 } 1507 1508 mReplyID = replyID; 1509 mCodec->signalEndOfInputStream(); 1510 break; 1511 } 1512 1513 case kWhatGetBuffers: 1514 { 1515 uint32_t replyID; 1516 CHECK(msg->senderAwaitsResponse(&replyID)); 1517 1518 if (!isExecuting() || (mFlags & kFlagIsAsync)) { 1519 PostReplyWithError(replyID, INVALID_OPERATION); 1520 break; 1521 } else if (mFlags & kFlagStickyError) { 1522 PostReplyWithError(replyID, getStickyError()); 1523 break; 1524 } 1525 1526 int32_t portIndex; 1527 CHECK(msg->findInt32("portIndex", &portIndex)); 1528 1529 Vector<sp<ABuffer> > *dstBuffers; 1530 CHECK(msg->findPointer("buffers", (void **)&dstBuffers)); 1531 1532 dstBuffers->clear(); 1533 const Vector<BufferInfo> &srcBuffers = mPortBuffers[portIndex]; 1534 1535 for (size_t i = 0; i < srcBuffers.size(); ++i) { 1536 const BufferInfo &info = srcBuffers.itemAt(i); 1537 1538 dstBuffers->push_back( 1539 (portIndex == kPortIndexInput && mCrypto != NULL) 1540 ? info.mEncryptedData : info.mData); 1541 } 1542 1543 (new AMessage)->postReply(replyID); 1544 break; 1545 } 1546 1547 case kWhatFlush: 1548 { 1549 uint32_t replyID; 1550 CHECK(msg->senderAwaitsResponse(&replyID)); 1551 1552 if (!isExecuting()) { 1553 PostReplyWithError(replyID, INVALID_OPERATION); 1554 break; 1555 } else if (mFlags & kFlagStickyError) { 1556 PostReplyWithError(replyID, getStickyError()); 1557 break; 1558 } 1559 1560 mReplyID = replyID; 1561 // TODO: skip flushing if already FLUSHED 1562 setState(FLUSHING); 1563 1564 mCodec->signalFlush(); 1565 returnBuffersToCodec(); 1566 break; 1567 } 1568 1569 case kWhatGetInputFormat: 1570 case kWhatGetOutputFormat: 1571 { 1572 sp<AMessage> format = 1573 (msg->what() == kWhatGetOutputFormat ? mOutputFormat : mInputFormat); 1574 1575 uint32_t replyID; 1576 CHECK(msg->senderAwaitsResponse(&replyID)); 1577 1578 if ((mState != CONFIGURED && mState != STARTING && 1579 mState != STARTED && mState != FLUSHING && 1580 mState != FLUSHED) 1581 || format == NULL) { 1582 PostReplyWithError(replyID, INVALID_OPERATION); 1583 break; 1584 } else if (mFlags & kFlagStickyError) { 1585 PostReplyWithError(replyID, getStickyError()); 1586 break; 1587 } 1588 1589 sp<AMessage> response = new AMessage; 1590 response->setMessage("format", format); 1591 response->postReply(replyID); 1592 break; 1593 } 1594 1595 case kWhatRequestIDRFrame: 1596 { 1597 mCodec->signalRequestIDRFrame(); 1598 break; 1599 } 1600 1601 case kWhatRequestActivityNotification: 1602 { 1603 CHECK(mActivityNotify == NULL); 1604 CHECK(msg->findMessage("notify", &mActivityNotify)); 1605 1606 postActivityNotificationIfPossible(); 1607 break; 1608 } 1609 1610 case kWhatGetName: 1611 { 1612 uint32_t replyID; 1613 CHECK(msg->senderAwaitsResponse(&replyID)); 1614 1615 if (mComponentName.empty()) { 1616 PostReplyWithError(replyID, INVALID_OPERATION); 1617 break; 1618 } 1619 1620 sp<AMessage> response = new AMessage; 1621 response->setString("name", mComponentName.c_str()); 1622 response->postReply(replyID); 1623 break; 1624 } 1625 1626 case kWhatSetParameters: 1627 { 1628 uint32_t replyID; 1629 CHECK(msg->senderAwaitsResponse(&replyID)); 1630 1631 sp<AMessage> params; 1632 CHECK(msg->findMessage("params", ¶ms)); 1633 1634 status_t err = onSetParameters(params); 1635 1636 PostReplyWithError(replyID, err); 1637 break; 1638 } 1639 1640 default: 1641 TRESPASS(); 1642 } 1643} 1644 1645void MediaCodec::extractCSD(const sp<AMessage> &format) { 1646 mCSD.clear(); 1647 1648 size_t i = 0; 1649 for (;;) { 1650 sp<ABuffer> csd; 1651 if (!format->findBuffer(StringPrintf("csd-%u", i).c_str(), &csd)) { 1652 break; 1653 } 1654 1655 mCSD.push_back(csd); 1656 ++i; 1657 } 1658 1659 ALOGV("Found %zu pieces of codec specific data.", mCSD.size()); 1660} 1661 1662status_t MediaCodec::queueCSDInputBuffer(size_t bufferIndex) { 1663 CHECK(!mCSD.empty()); 1664 1665 const BufferInfo *info = 1666 &mPortBuffers[kPortIndexInput].itemAt(bufferIndex); 1667 1668 sp<ABuffer> csd = *mCSD.begin(); 1669 mCSD.erase(mCSD.begin()); 1670 1671 const sp<ABuffer> &codecInputData = 1672 (mCrypto != NULL) ? info->mEncryptedData : info->mData; 1673 1674 if (csd->size() > codecInputData->capacity()) { 1675 return -EINVAL; 1676 } 1677 1678 memcpy(codecInputData->data(), csd->data(), csd->size()); 1679 1680 AString errorDetailMsg; 1681 1682 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 1683 msg->setSize("index", bufferIndex); 1684 msg->setSize("offset", 0); 1685 msg->setSize("size", csd->size()); 1686 msg->setInt64("timeUs", 0ll); 1687 msg->setInt32("flags", BUFFER_FLAG_CODECCONFIG); 1688 msg->setPointer("errorDetailMsg", &errorDetailMsg); 1689 1690 return onQueueInputBuffer(msg); 1691} 1692 1693void MediaCodec::setState(State newState) { 1694 if (newState == INITIALIZED || newState == UNINITIALIZED) { 1695 delete mSoftRenderer; 1696 mSoftRenderer = NULL; 1697 1698 mCrypto.clear(); 1699 setNativeWindow(NULL); 1700 1701 mInputFormat.clear(); 1702 mOutputFormat.clear(); 1703 mFlags &= ~kFlagOutputFormatChanged; 1704 mFlags &= ~kFlagOutputBuffersChanged; 1705 mFlags &= ~kFlagStickyError; 1706 mFlags &= ~kFlagIsEncoder; 1707 mFlags &= ~kFlagGatherCodecSpecificData; 1708 mFlags &= ~kFlagIsAsync; 1709 mStickyError = OK; 1710 1711 mActivityNotify.clear(); 1712 mCallback.clear(); 1713 } 1714 1715 if (newState == UNINITIALIZED) { 1716 // return any straggling buffers, e.g. if we got here on an error 1717 returnBuffersToCodec(); 1718 1719 mComponentName.clear(); 1720 1721 // The component is gone, mediaserver's probably back up already 1722 // but should definitely be back up should we try to instantiate 1723 // another component.. and the cycle continues. 1724 mFlags &= ~kFlagSawMediaServerDie; 1725 } 1726 1727 mState = newState; 1728 1729 cancelPendingDequeueOperations(); 1730 1731 updateBatteryStat(); 1732} 1733 1734void MediaCodec::returnBuffersToCodec() { 1735 returnBuffersToCodecOnPort(kPortIndexInput); 1736 returnBuffersToCodecOnPort(kPortIndexOutput); 1737} 1738 1739void MediaCodec::returnBuffersToCodecOnPort(int32_t portIndex) { 1740 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 1741 Mutex::Autolock al(mBufferLock); 1742 1743 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 1744 1745 for (size_t i = 0; i < buffers->size(); ++i) { 1746 BufferInfo *info = &buffers->editItemAt(i); 1747 1748 if (info->mNotify != NULL) { 1749 sp<AMessage> msg = info->mNotify; 1750 info->mNotify = NULL; 1751 info->mOwnedByClient = false; 1752 1753 if (portIndex == kPortIndexInput) { 1754 /* no error, just returning buffers */ 1755 msg->setInt32("err", OK); 1756 } 1757 msg->post(); 1758 } 1759 } 1760 1761 mAvailPortBuffers[portIndex].clear(); 1762} 1763 1764size_t MediaCodec::updateBuffers( 1765 int32_t portIndex, const sp<AMessage> &msg) { 1766 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 1767 1768 uint32_t bufferID; 1769 CHECK(msg->findInt32("buffer-id", (int32_t*)&bufferID)); 1770 1771 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 1772 1773 for (size_t i = 0; i < buffers->size(); ++i) { 1774 BufferInfo *info = &buffers->editItemAt(i); 1775 1776 if (info->mBufferID == bufferID) { 1777 CHECK(info->mNotify == NULL); 1778 CHECK(msg->findMessage("reply", &info->mNotify)); 1779 1780 info->mFormat = 1781 (portIndex == kPortIndexInput) ? mInputFormat : mOutputFormat; 1782 mAvailPortBuffers[portIndex].push_back(i); 1783 1784 return i; 1785 } 1786 } 1787 1788 TRESPASS(); 1789 1790 return 0; 1791} 1792 1793status_t MediaCodec::onQueueInputBuffer(const sp<AMessage> &msg) { 1794 size_t index; 1795 size_t offset; 1796 size_t size; 1797 int64_t timeUs; 1798 uint32_t flags; 1799 CHECK(msg->findSize("index", &index)); 1800 CHECK(msg->findSize("offset", &offset)); 1801 CHECK(msg->findInt64("timeUs", &timeUs)); 1802 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1803 1804 const CryptoPlugin::SubSample *subSamples; 1805 size_t numSubSamples; 1806 const uint8_t *key; 1807 const uint8_t *iv; 1808 CryptoPlugin::Mode mode = CryptoPlugin::kMode_Unencrypted; 1809 1810 // We allow the simpler queueInputBuffer API to be used even in 1811 // secure mode, by fabricating a single unencrypted subSample. 1812 CryptoPlugin::SubSample ss; 1813 1814 if (msg->findSize("size", &size)) { 1815 if (mCrypto != NULL) { 1816 ss.mNumBytesOfClearData = size; 1817 ss.mNumBytesOfEncryptedData = 0; 1818 1819 subSamples = &ss; 1820 numSubSamples = 1; 1821 key = NULL; 1822 iv = NULL; 1823 } 1824 } else { 1825 if (mCrypto == NULL) { 1826 return -EINVAL; 1827 } 1828 1829 CHECK(msg->findPointer("subSamples", (void **)&subSamples)); 1830 CHECK(msg->findSize("numSubSamples", &numSubSamples)); 1831 CHECK(msg->findPointer("key", (void **)&key)); 1832 CHECK(msg->findPointer("iv", (void **)&iv)); 1833 1834 int32_t tmp; 1835 CHECK(msg->findInt32("mode", &tmp)); 1836 1837 mode = (CryptoPlugin::Mode)tmp; 1838 1839 size = 0; 1840 for (size_t i = 0; i < numSubSamples; ++i) { 1841 size += subSamples[i].mNumBytesOfClearData; 1842 size += subSamples[i].mNumBytesOfEncryptedData; 1843 } 1844 } 1845 1846 if (index >= mPortBuffers[kPortIndexInput].size()) { 1847 return -ERANGE; 1848 } 1849 1850 BufferInfo *info = &mPortBuffers[kPortIndexInput].editItemAt(index); 1851 1852 if (info->mNotify == NULL || !info->mOwnedByClient) { 1853 return -EACCES; 1854 } 1855 1856 if (offset + size > info->mData->capacity()) { 1857 return -EINVAL; 1858 } 1859 1860 sp<AMessage> reply = info->mNotify; 1861 info->mData->setRange(offset, size); 1862 info->mData->meta()->setInt64("timeUs", timeUs); 1863 1864 if (flags & BUFFER_FLAG_EOS) { 1865 info->mData->meta()->setInt32("eos", true); 1866 } 1867 1868 if (flags & BUFFER_FLAG_CODECCONFIG) { 1869 info->mData->meta()->setInt32("csd", true); 1870 } 1871 1872 if (mCrypto != NULL) { 1873 if (size > info->mEncryptedData->capacity()) { 1874 return -ERANGE; 1875 } 1876 1877 AString *errorDetailMsg; 1878 CHECK(msg->findPointer("errorDetailMsg", (void **)&errorDetailMsg)); 1879 1880 ssize_t result = mCrypto->decrypt( 1881 (mFlags & kFlagIsSecure) != 0, 1882 key, 1883 iv, 1884 mode, 1885 info->mEncryptedData->base() + offset, 1886 subSamples, 1887 numSubSamples, 1888 info->mData->base(), 1889 errorDetailMsg); 1890 1891 if (result < 0) { 1892 return result; 1893 } 1894 1895 info->mData->setRange(0, result); 1896 } 1897 1898 // synchronization boundary for getBufferAndFormat 1899 { 1900 Mutex::Autolock al(mBufferLock); 1901 info->mOwnedByClient = false; 1902 } 1903 reply->setBuffer("buffer", info->mData); 1904 reply->post(); 1905 1906 info->mNotify = NULL; 1907 1908 return OK; 1909} 1910 1911status_t MediaCodec::onReleaseOutputBuffer(const sp<AMessage> &msg) { 1912 size_t index; 1913 CHECK(msg->findSize("index", &index)); 1914 1915 int32_t render; 1916 if (!msg->findInt32("render", &render)) { 1917 render = 0; 1918 } 1919 1920 if (!isExecuting()) { 1921 return -EINVAL; 1922 } 1923 1924 if (index >= mPortBuffers[kPortIndexOutput].size()) { 1925 return -ERANGE; 1926 } 1927 1928 BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index); 1929 1930 if (info->mNotify == NULL || !info->mOwnedByClient) { 1931 return -EACCES; 1932 } 1933 1934 // synchronization boundary for getBufferAndFormat 1935 { 1936 Mutex::Autolock al(mBufferLock); 1937 info->mOwnedByClient = false; 1938 } 1939 1940 if (render && info->mData != NULL && info->mData->size() != 0) { 1941 info->mNotify->setInt32("render", true); 1942 1943 int64_t timestampNs = 0; 1944 if (msg->findInt64("timestampNs", ×tampNs)) { 1945 info->mNotify->setInt64("timestampNs", timestampNs); 1946 } else { 1947 // TODO: it seems like we should use the timestamp 1948 // in the (media)buffer as it potentially came from 1949 // an input surface, but we did not propagate it prior to 1950 // API 20. Perhaps check for target SDK version. 1951#if 0 1952 if (info->mData->meta()->findInt64("timeUs", ×tampNs)) { 1953 ALOGV("using buffer PTS of %" PRId64, timestampNs); 1954 timestampNs *= 1000; 1955 } 1956#endif 1957 } 1958 1959 if (mSoftRenderer != NULL) { 1960 mSoftRenderer->render( 1961 info->mData->data(), info->mData->size(), 1962 timestampNs, NULL, info->mFormat); 1963 } 1964 } 1965 1966 info->mNotify->post(); 1967 info->mNotify = NULL; 1968 1969 return OK; 1970} 1971 1972ssize_t MediaCodec::dequeuePortBuffer(int32_t portIndex) { 1973 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 1974 1975 List<size_t> *availBuffers = &mAvailPortBuffers[portIndex]; 1976 1977 if (availBuffers->empty()) { 1978 return -EAGAIN; 1979 } 1980 1981 size_t index = *availBuffers->begin(); 1982 availBuffers->erase(availBuffers->begin()); 1983 1984 BufferInfo *info = &mPortBuffers[portIndex].editItemAt(index); 1985 CHECK(!info->mOwnedByClient); 1986 { 1987 Mutex::Autolock al(mBufferLock); 1988 info->mOwnedByClient = true; 1989 1990 // set image-data 1991 if (info->mFormat != NULL) { 1992 sp<ABuffer> imageData; 1993 if (info->mFormat->findBuffer("image-data", &imageData)) { 1994 info->mData->meta()->setBuffer("image-data", imageData); 1995 } 1996 int32_t left, top, right, bottom; 1997 if (info->mFormat->findRect("crop", &left, &top, &right, &bottom)) { 1998 info->mData->meta()->setRect("crop-rect", left, top, right, bottom); 1999 } 2000 } 2001 } 2002 2003 return index; 2004} 2005 2006status_t MediaCodec::setNativeWindow( 2007 const sp<Surface> &surfaceTextureClient) { 2008 status_t err; 2009 2010 if (mNativeWindow != NULL) { 2011 err = native_window_api_disconnect( 2012 mNativeWindow.get(), NATIVE_WINDOW_API_MEDIA); 2013 2014 if (err != OK) { 2015 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 2016 strerror(-err), err); 2017 } 2018 2019 mNativeWindow.clear(); 2020 } 2021 2022 if (surfaceTextureClient != NULL) { 2023 err = native_window_api_connect( 2024 surfaceTextureClient.get(), NATIVE_WINDOW_API_MEDIA); 2025 2026 if (err != OK) { 2027 ALOGE("native_window_api_connect returned an error: %s (%d)", 2028 strerror(-err), err); 2029 2030 return err; 2031 } 2032 2033 mNativeWindow = surfaceTextureClient; 2034 } 2035 2036 return OK; 2037} 2038 2039void MediaCodec::onInputBufferAvailable() { 2040 int32_t index; 2041 while ((index = dequeuePortBuffer(kPortIndexInput)) >= 0) { 2042 sp<AMessage> msg = mCallback->dup(); 2043 msg->setInt32("callbackID", CB_INPUT_AVAILABLE); 2044 msg->setInt32("index", index); 2045 msg->post(); 2046 } 2047} 2048 2049void MediaCodec::onOutputBufferAvailable() { 2050 int32_t index; 2051 while ((index = dequeuePortBuffer(kPortIndexOutput)) >= 0) { 2052 const sp<ABuffer> &buffer = 2053 mPortBuffers[kPortIndexOutput].itemAt(index).mData; 2054 sp<AMessage> msg = mCallback->dup(); 2055 msg->setInt32("callbackID", CB_OUTPUT_AVAILABLE); 2056 msg->setInt32("index", index); 2057 msg->setSize("offset", buffer->offset()); 2058 msg->setSize("size", buffer->size()); 2059 2060 int64_t timeUs; 2061 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2062 2063 msg->setInt64("timeUs", timeUs); 2064 2065 int32_t omxFlags; 2066 CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags)); 2067 2068 uint32_t flags = 0; 2069 if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) { 2070 flags |= BUFFER_FLAG_SYNCFRAME; 2071 } 2072 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 2073 flags |= BUFFER_FLAG_CODECCONFIG; 2074 } 2075 if (omxFlags & OMX_BUFFERFLAG_EOS) { 2076 flags |= BUFFER_FLAG_EOS; 2077 } 2078 2079 msg->setInt32("flags", flags); 2080 2081 msg->post(); 2082 } 2083} 2084 2085void MediaCodec::onError(status_t err, int32_t actionCode, const char *detail) { 2086 if (mCallback != NULL) { 2087 sp<AMessage> msg = mCallback->dup(); 2088 msg->setInt32("callbackID", CB_ERROR); 2089 msg->setInt32("err", err); 2090 msg->setInt32("actionCode", actionCode); 2091 2092 if (detail != NULL) { 2093 msg->setString("detail", detail); 2094 } 2095 2096 msg->post(); 2097 } 2098} 2099 2100void MediaCodec::onOutputFormatChanged() { 2101 if (mCallback != NULL) { 2102 sp<AMessage> msg = mCallback->dup(); 2103 msg->setInt32("callbackID", CB_OUTPUT_FORMAT_CHANGED); 2104 msg->setMessage("format", mOutputFormat); 2105 msg->post(); 2106 } 2107} 2108 2109 2110void MediaCodec::postActivityNotificationIfPossible() { 2111 if (mActivityNotify == NULL) { 2112 return; 2113 } 2114 2115 if ((mFlags & (kFlagStickyError 2116 | kFlagOutputBuffersChanged 2117 | kFlagOutputFormatChanged)) 2118 || !mAvailPortBuffers[kPortIndexInput].empty() 2119 || !mAvailPortBuffers[kPortIndexOutput].empty()) { 2120 mActivityNotify->post(); 2121 mActivityNotify.clear(); 2122 } 2123} 2124 2125status_t MediaCodec::setParameters(const sp<AMessage> ¶ms) { 2126 sp<AMessage> msg = new AMessage(kWhatSetParameters, id()); 2127 msg->setMessage("params", params); 2128 2129 sp<AMessage> response; 2130 return PostAndAwaitResponse(msg, &response); 2131} 2132 2133status_t MediaCodec::onSetParameters(const sp<AMessage> ¶ms) { 2134 mCodec->signalSetParameters(params); 2135 2136 return OK; 2137} 2138 2139status_t MediaCodec::amendOutputFormatWithCodecSpecificData( 2140 const sp<ABuffer> &buffer) { 2141 AString mime; 2142 CHECK(mOutputFormat->findString("mime", &mime)); 2143 2144 if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_VIDEO_AVC)) { 2145 // Codec specific data should be SPS and PPS in a single buffer, 2146 // each prefixed by a startcode (0x00 0x00 0x00 0x01). 2147 // We separate the two and put them into the output format 2148 // under the keys "csd-0" and "csd-1". 2149 2150 unsigned csdIndex = 0; 2151 2152 const uint8_t *data = buffer->data(); 2153 size_t size = buffer->size(); 2154 2155 const uint8_t *nalStart; 2156 size_t nalSize; 2157 while (getNextNALUnit(&data, &size, &nalStart, &nalSize, true) == OK) { 2158 sp<ABuffer> csd = new ABuffer(nalSize + 4); 2159 memcpy(csd->data(), "\x00\x00\x00\x01", 4); 2160 memcpy(csd->data() + 4, nalStart, nalSize); 2161 2162 mOutputFormat->setBuffer( 2163 StringPrintf("csd-%u", csdIndex).c_str(), csd); 2164 2165 ++csdIndex; 2166 } 2167 2168 if (csdIndex != 2) { 2169 return ERROR_MALFORMED; 2170 } 2171 } else { 2172 // For everything else we just stash the codec specific data into 2173 // the output format as a single piece of csd under "csd-0". 2174 mOutputFormat->setBuffer("csd-0", buffer); 2175 } 2176 2177 return OK; 2178} 2179 2180void MediaCodec::updateBatteryStat() { 2181 if (mState == CONFIGURED && !mBatteryStatNotified) { 2182 AString mime; 2183 CHECK(mOutputFormat != NULL && 2184 mOutputFormat->findString("mime", &mime)); 2185 2186 mIsVideo = mime.startsWithIgnoreCase("video/"); 2187 2188 BatteryNotifier& notifier(BatteryNotifier::getInstance()); 2189 2190 if (mIsVideo) { 2191 notifier.noteStartVideo(); 2192 } else { 2193 notifier.noteStartAudio(); 2194 } 2195 2196 mBatteryStatNotified = true; 2197 } else if (mState == UNINITIALIZED && mBatteryStatNotified) { 2198 BatteryNotifier& notifier(BatteryNotifier::getInstance()); 2199 2200 if (mIsVideo) { 2201 notifier.noteStopVideo(); 2202 } else { 2203 notifier.noteStopAudio(); 2204 } 2205 2206 mBatteryStatNotified = false; 2207 } 2208} 2209 2210} // namespace android 2211