MediaCodec.cpp revision d9e0603a1be07dbb347c55050c7d4629ea7492e8
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 AString &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.c_str(), "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 status_t err = PostAndAwaitResponse(msg, &response); 274 275 if (err != OK && err != INVALID_OPERATION) { 276 // MediaCodec now set state to UNINITIALIZED upon any fatal error. 277 // To maintain backward-compatibility, do a reset() to put codec 278 // back into INITIALIZED state. 279 // But don't reset if the err is INVALID_OPERATION, which means 280 // the configure failure is due to wrong state. 281 282 ALOGE("configure failed with err 0x%08x, resetting...", err); 283 reset(); 284 } 285 286 return err; 287} 288 289status_t MediaCodec::createInputSurface( 290 sp<IGraphicBufferProducer>* bufferProducer) { 291 sp<AMessage> msg = new AMessage(kWhatCreateInputSurface, id()); 292 293 sp<AMessage> response; 294 status_t err = PostAndAwaitResponse(msg, &response); 295 if (err == NO_ERROR) { 296 // unwrap the sp<IGraphicBufferProducer> 297 sp<RefBase> obj; 298 bool found = response->findObject("input-surface", &obj); 299 CHECK(found); 300 sp<BufferProducerWrapper> wrapper( 301 static_cast<BufferProducerWrapper*>(obj.get())); 302 *bufferProducer = wrapper->getBufferProducer(); 303 } else { 304 ALOGW("createInputSurface failed, err=%d", err); 305 } 306 return err; 307} 308 309status_t MediaCodec::start() { 310 sp<AMessage> msg = new AMessage(kWhatStart, id()); 311 312 sp<AMessage> response; 313 return PostAndAwaitResponse(msg, &response); 314} 315 316status_t MediaCodec::stop() { 317 sp<AMessage> msg = new AMessage(kWhatStop, id()); 318 319 sp<AMessage> response; 320 return PostAndAwaitResponse(msg, &response); 321} 322 323status_t MediaCodec::release() { 324 sp<AMessage> msg = new AMessage(kWhatRelease, id()); 325 326 sp<AMessage> response; 327 return PostAndAwaitResponse(msg, &response); 328} 329 330status_t MediaCodec::reset() { 331 /* When external-facing MediaCodec object is created, 332 it is already initialized. Thus, reset is essentially 333 release() followed by init(), plus clearing the state */ 334 335 status_t err = release(); 336 337 // unregister handlers 338 if (mCodec != NULL) { 339 if (mCodecLooper != NULL) { 340 mCodecLooper->unregisterHandler(mCodec->id()); 341 } else { 342 mLooper->unregisterHandler(mCodec->id()); 343 } 344 mCodec = NULL; 345 } 346 mLooper->unregisterHandler(id()); 347 348 mFlags = 0; // clear all flags 349 mStickyError = OK; 350 351 // reset state not reset by setState(UNINITIALIZED) 352 mReplyID = 0; 353 mDequeueInputReplyID = 0; 354 mDequeueOutputReplyID = 0; 355 mDequeueInputTimeoutGeneration = 0; 356 mDequeueOutputTimeoutGeneration = 0; 357 mHaveInputSurface = false; 358 359 if (err == OK) { 360 err = init(mInitName, mInitNameIsType, mInitIsEncoder); 361 } 362 return err; 363} 364 365status_t MediaCodec::queueInputBuffer( 366 size_t index, 367 size_t offset, 368 size_t size, 369 int64_t presentationTimeUs, 370 uint32_t flags, 371 AString *errorDetailMsg) { 372 if (errorDetailMsg != NULL) { 373 errorDetailMsg->clear(); 374 } 375 376 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 377 msg->setSize("index", index); 378 msg->setSize("offset", offset); 379 msg->setSize("size", size); 380 msg->setInt64("timeUs", presentationTimeUs); 381 msg->setInt32("flags", flags); 382 msg->setPointer("errorDetailMsg", errorDetailMsg); 383 384 sp<AMessage> response; 385 return PostAndAwaitResponse(msg, &response); 386} 387 388status_t MediaCodec::queueSecureInputBuffer( 389 size_t index, 390 size_t offset, 391 const CryptoPlugin::SubSample *subSamples, 392 size_t numSubSamples, 393 const uint8_t key[16], 394 const uint8_t iv[16], 395 CryptoPlugin::Mode mode, 396 int64_t presentationTimeUs, 397 uint32_t flags, 398 AString *errorDetailMsg) { 399 if (errorDetailMsg != NULL) { 400 errorDetailMsg->clear(); 401 } 402 403 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 404 msg->setSize("index", index); 405 msg->setSize("offset", offset); 406 msg->setPointer("subSamples", (void *)subSamples); 407 msg->setSize("numSubSamples", numSubSamples); 408 msg->setPointer("key", (void *)key); 409 msg->setPointer("iv", (void *)iv); 410 msg->setInt32("mode", mode); 411 msg->setInt64("timeUs", presentationTimeUs); 412 msg->setInt32("flags", flags); 413 msg->setPointer("errorDetailMsg", errorDetailMsg); 414 415 sp<AMessage> response; 416 status_t err = PostAndAwaitResponse(msg, &response); 417 418 return err; 419} 420 421status_t MediaCodec::dequeueInputBuffer(size_t *index, int64_t timeoutUs) { 422 sp<AMessage> msg = new AMessage(kWhatDequeueInputBuffer, id()); 423 msg->setInt64("timeoutUs", timeoutUs); 424 425 sp<AMessage> response; 426 status_t err; 427 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 428 return err; 429 } 430 431 CHECK(response->findSize("index", index)); 432 433 return OK; 434} 435 436status_t MediaCodec::dequeueOutputBuffer( 437 size_t *index, 438 size_t *offset, 439 size_t *size, 440 int64_t *presentationTimeUs, 441 uint32_t *flags, 442 int64_t timeoutUs) { 443 sp<AMessage> msg = new AMessage(kWhatDequeueOutputBuffer, id()); 444 msg->setInt64("timeoutUs", timeoutUs); 445 446 sp<AMessage> response; 447 status_t err; 448 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 449 return err; 450 } 451 452 CHECK(response->findSize("index", index)); 453 CHECK(response->findSize("offset", offset)); 454 CHECK(response->findSize("size", size)); 455 CHECK(response->findInt64("timeUs", presentationTimeUs)); 456 CHECK(response->findInt32("flags", (int32_t *)flags)); 457 458 return OK; 459} 460 461status_t MediaCodec::renderOutputBufferAndRelease(size_t index) { 462 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 463 msg->setSize("index", index); 464 msg->setInt32("render", true); 465 466 sp<AMessage> response; 467 return PostAndAwaitResponse(msg, &response); 468} 469 470status_t MediaCodec::renderOutputBufferAndRelease(size_t index, int64_t timestampNs) { 471 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 472 msg->setSize("index", index); 473 msg->setInt32("render", true); 474 msg->setInt64("timestampNs", timestampNs); 475 476 sp<AMessage> response; 477 return PostAndAwaitResponse(msg, &response); 478} 479 480status_t MediaCodec::releaseOutputBuffer(size_t index) { 481 sp<AMessage> msg = new AMessage(kWhatReleaseOutputBuffer, id()); 482 msg->setSize("index", index); 483 484 sp<AMessage> response; 485 return PostAndAwaitResponse(msg, &response); 486} 487 488status_t MediaCodec::signalEndOfInputStream() { 489 sp<AMessage> msg = new AMessage(kWhatSignalEndOfInputStream, id()); 490 491 sp<AMessage> response; 492 return PostAndAwaitResponse(msg, &response); 493} 494 495status_t MediaCodec::getOutputFormat(sp<AMessage> *format) const { 496 sp<AMessage> msg = new AMessage(kWhatGetOutputFormat, id()); 497 498 sp<AMessage> response; 499 status_t err; 500 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 501 return err; 502 } 503 504 CHECK(response->findMessage("format", format)); 505 506 return OK; 507} 508 509status_t MediaCodec::getInputFormat(sp<AMessage> *format) const { 510 sp<AMessage> msg = new AMessage(kWhatGetInputFormat, id()); 511 512 sp<AMessage> response; 513 status_t err; 514 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 515 return err; 516 } 517 518 CHECK(response->findMessage("format", format)); 519 520 return OK; 521} 522 523status_t MediaCodec::getName(AString *name) const { 524 sp<AMessage> msg = new AMessage(kWhatGetName, id()); 525 526 sp<AMessage> response; 527 status_t err; 528 if ((err = PostAndAwaitResponse(msg, &response)) != OK) { 529 return err; 530 } 531 532 CHECK(response->findString("name", name)); 533 534 return OK; 535} 536 537status_t MediaCodec::getInputBuffers(Vector<sp<ABuffer> > *buffers) const { 538 sp<AMessage> msg = new AMessage(kWhatGetBuffers, id()); 539 msg->setInt32("portIndex", kPortIndexInput); 540 msg->setPointer("buffers", buffers); 541 542 sp<AMessage> response; 543 return PostAndAwaitResponse(msg, &response); 544} 545 546status_t MediaCodec::getOutputBuffers(Vector<sp<ABuffer> > *buffers) const { 547 sp<AMessage> msg = new AMessage(kWhatGetBuffers, id()); 548 msg->setInt32("portIndex", kPortIndexOutput); 549 msg->setPointer("buffers", buffers); 550 551 sp<AMessage> response; 552 return PostAndAwaitResponse(msg, &response); 553} 554 555status_t MediaCodec::getOutputBuffer(size_t index, sp<ABuffer> *buffer) { 556 sp<AMessage> format; 557 return getBufferAndFormat(kPortIndexOutput, index, buffer, &format); 558} 559 560status_t MediaCodec::getOutputFormat(size_t index, sp<AMessage> *format) { 561 sp<ABuffer> buffer; 562 return getBufferAndFormat(kPortIndexOutput, index, &buffer, format); 563} 564 565status_t MediaCodec::getInputBuffer(size_t index, sp<ABuffer> *buffer) { 566 sp<AMessage> format; 567 return getBufferAndFormat(kPortIndexInput, index, buffer, &format); 568} 569 570bool MediaCodec::isExecuting() const { 571 return mState == STARTED || mState == FLUSHED; 572} 573 574status_t MediaCodec::getBufferAndFormat( 575 size_t portIndex, size_t index, 576 sp<ABuffer> *buffer, sp<AMessage> *format) { 577 // use mutex instead of a context switch 578 579 buffer->clear(); 580 format->clear(); 581 if (!isExecuting()) { 582 return INVALID_OPERATION; 583 } 584 585 // we do not want mPortBuffers to change during this section 586 // we also don't want mOwnedByClient to change during this 587 Mutex::Autolock al(mBufferLock); 588 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 589 if (index < buffers->size()) { 590 const BufferInfo &info = buffers->itemAt(index); 591 if (info.mOwnedByClient) { 592 // by the time buffers array is initialized, crypto is set 593 if (portIndex == kPortIndexInput && mCrypto != NULL) { 594 *buffer = info.mEncryptedData; 595 } else { 596 *buffer = info.mData; 597 } 598 *format = info.mFormat; 599 } 600 } 601 return OK; 602} 603 604status_t MediaCodec::flush() { 605 sp<AMessage> msg = new AMessage(kWhatFlush, id()); 606 607 sp<AMessage> response; 608 return PostAndAwaitResponse(msg, &response); 609} 610 611status_t MediaCodec::requestIDRFrame() { 612 (new AMessage(kWhatRequestIDRFrame, id()))->post(); 613 614 return OK; 615} 616 617void MediaCodec::requestActivityNotification(const sp<AMessage> ¬ify) { 618 sp<AMessage> msg = new AMessage(kWhatRequestActivityNotification, id()); 619 msg->setMessage("notify", notify); 620 msg->post(); 621} 622 623//////////////////////////////////////////////////////////////////////////////// 624 625void MediaCodec::cancelPendingDequeueOperations() { 626 if (mFlags & kFlagDequeueInputPending) { 627 PostReplyWithError(mDequeueInputReplyID, INVALID_OPERATION); 628 629 ++mDequeueInputTimeoutGeneration; 630 mDequeueInputReplyID = 0; 631 mFlags &= ~kFlagDequeueInputPending; 632 } 633 634 if (mFlags & kFlagDequeueOutputPending) { 635 PostReplyWithError(mDequeueOutputReplyID, INVALID_OPERATION); 636 637 ++mDequeueOutputTimeoutGeneration; 638 mDequeueOutputReplyID = 0; 639 mFlags &= ~kFlagDequeueOutputPending; 640 } 641} 642 643bool MediaCodec::handleDequeueInputBuffer(uint32_t replyID, bool newRequest) { 644 if (!isExecuting() || (mFlags & kFlagIsAsync) 645 || (newRequest && (mFlags & kFlagDequeueInputPending))) { 646 PostReplyWithError(replyID, INVALID_OPERATION); 647 return true; 648 } else if (mFlags & kFlagStickyError) { 649 PostReplyWithError(replyID, getStickyError()); 650 return true; 651 } 652 653 ssize_t index = dequeuePortBuffer(kPortIndexInput); 654 655 if (index < 0) { 656 CHECK_EQ(index, -EAGAIN); 657 return false; 658 } 659 660 sp<AMessage> response = new AMessage; 661 response->setSize("index", index); 662 response->postReply(replyID); 663 664 return true; 665} 666 667bool MediaCodec::handleDequeueOutputBuffer(uint32_t replyID, bool newRequest) { 668 sp<AMessage> response = new AMessage; 669 670 if (!isExecuting() || (mFlags & kFlagIsAsync) 671 || (newRequest && (mFlags & kFlagDequeueOutputPending))) { 672 response->setInt32("err", INVALID_OPERATION); 673 } else if (mFlags & kFlagStickyError) { 674 response->setInt32("err", getStickyError()); 675 } else if (mFlags & kFlagOutputBuffersChanged) { 676 response->setInt32("err", INFO_OUTPUT_BUFFERS_CHANGED); 677 mFlags &= ~kFlagOutputBuffersChanged; 678 } else if (mFlags & kFlagOutputFormatChanged) { 679 response->setInt32("err", INFO_FORMAT_CHANGED); 680 mFlags &= ~kFlagOutputFormatChanged; 681 } else { 682 ssize_t index = dequeuePortBuffer(kPortIndexOutput); 683 684 if (index < 0) { 685 CHECK_EQ(index, -EAGAIN); 686 return false; 687 } 688 689 const sp<ABuffer> &buffer = 690 mPortBuffers[kPortIndexOutput].itemAt(index).mData; 691 692 response->setSize("index", index); 693 response->setSize("offset", buffer->offset()); 694 response->setSize("size", buffer->size()); 695 696 int64_t timeUs; 697 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 698 699 response->setInt64("timeUs", timeUs); 700 701 int32_t omxFlags; 702 CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags)); 703 704 uint32_t flags = 0; 705 if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) { 706 flags |= BUFFER_FLAG_SYNCFRAME; 707 } 708 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 709 flags |= BUFFER_FLAG_CODECCONFIG; 710 } 711 if (omxFlags & OMX_BUFFERFLAG_EOS) { 712 flags |= BUFFER_FLAG_EOS; 713 } 714 715 response->setInt32("flags", flags); 716 } 717 718 response->postReply(replyID); 719 720 return true; 721} 722 723void MediaCodec::onMessageReceived(const sp<AMessage> &msg) { 724 switch (msg->what()) { 725 case kWhatCodecNotify: 726 { 727 int32_t what; 728 CHECK(msg->findInt32("what", &what)); 729 730 switch (what) { 731 case CodecBase::kWhatError: 732 { 733 int32_t err, actionCode; 734 CHECK(msg->findInt32("err", &err)); 735 CHECK(msg->findInt32("actionCode", &actionCode)); 736 737 ALOGE("Codec reported err %#x, actionCode %d, while in state %d", 738 err, actionCode, mState); 739 if (err == DEAD_OBJECT) { 740 mFlags |= kFlagSawMediaServerDie; 741 mFlags &= ~kFlagIsComponentAllocated; 742 } 743 744 bool sendErrorResponse = true; 745 746 switch (mState) { 747 case INITIALIZING: 748 { 749 setState(UNINITIALIZED); 750 break; 751 } 752 753 case CONFIGURING: 754 { 755 setState(actionCode == ACTION_CODE_FATAL ? 756 UNINITIALIZED : INITIALIZED); 757 break; 758 } 759 760 case STARTING: 761 { 762 setState(actionCode == ACTION_CODE_FATAL ? 763 UNINITIALIZED : CONFIGURED); 764 break; 765 } 766 767 case STOPPING: 768 case RELEASING: 769 { 770 // Ignore the error, assuming we'll still get 771 // the shutdown complete notification. 772 773 sendErrorResponse = false; 774 775 if (mFlags & kFlagSawMediaServerDie) { 776 // MediaServer died, there definitely won't 777 // be a shutdown complete notification after 778 // all. 779 780 // note that we're directly going from 781 // STOPPING->UNINITIALIZED, instead of the 782 // usual STOPPING->INITIALIZED state. 783 setState(UNINITIALIZED); 784 if (mState == RELEASING) { 785 mComponentName.clear(); 786 } 787 (new AMessage)->postReply(mReplyID); 788 } 789 break; 790 } 791 792 case FLUSHING: 793 { 794 if (actionCode == ACTION_CODE_FATAL) { 795 setState(UNINITIALIZED); 796 } else { 797 setState( 798 (mFlags & kFlagIsAsync) ? FLUSHED : STARTED); 799 } 800 break; 801 } 802 803 case FLUSHED: 804 case STARTED: 805 { 806 sendErrorResponse = false; 807 808 setStickyError(err); 809 postActivityNotificationIfPossible(); 810 811 cancelPendingDequeueOperations(); 812 813 if (mFlags & kFlagIsAsync) { 814 onError(err, actionCode); 815 } 816 switch (actionCode) { 817 case ACTION_CODE_TRANSIENT: 818 break; 819 case ACTION_CODE_RECOVERABLE: 820 setState(INITIALIZED); 821 break; 822 default: 823 setState(UNINITIALIZED); 824 break; 825 } 826 break; 827 } 828 829 default: 830 { 831 sendErrorResponse = false; 832 833 setStickyError(err); 834 postActivityNotificationIfPossible(); 835 836 // actionCode in an uninitialized state is always fatal. 837 if (mState == UNINITIALIZED) { 838 actionCode = ACTION_CODE_FATAL; 839 } 840 if (mFlags & kFlagIsAsync) { 841 onError(err, actionCode); 842 } 843 switch (actionCode) { 844 case ACTION_CODE_TRANSIENT: 845 break; 846 case ACTION_CODE_RECOVERABLE: 847 setState(INITIALIZED); 848 break; 849 default: 850 setState(UNINITIALIZED); 851 break; 852 } 853 break; 854 } 855 } 856 857 if (sendErrorResponse) { 858 PostReplyWithError(mReplyID, err); 859 } 860 break; 861 } 862 863 case CodecBase::kWhatComponentAllocated: 864 { 865 CHECK_EQ(mState, INITIALIZING); 866 setState(INITIALIZED); 867 mFlags |= kFlagIsComponentAllocated; 868 869 CHECK(msg->findString("componentName", &mComponentName)); 870 871 if (mComponentName.startsWith("OMX.google.")) { 872 mFlags |= kFlagIsSoftwareCodec; 873 } else { 874 mFlags &= ~kFlagIsSoftwareCodec; 875 } 876 877 if (mComponentName.endsWith(".secure")) { 878 mFlags |= kFlagIsSecure; 879 } else { 880 mFlags &= ~kFlagIsSecure; 881 } 882 883 (new AMessage)->postReply(mReplyID); 884 break; 885 } 886 887 case CodecBase::kWhatComponentConfigured: 888 { 889 CHECK_EQ(mState, CONFIGURING); 890 891 // reset input surface flag 892 mHaveInputSurface = false; 893 894 CHECK(msg->findMessage("input-format", &mInputFormat)); 895 CHECK(msg->findMessage("output-format", &mOutputFormat)); 896 897 setState(CONFIGURED); 898 (new AMessage)->postReply(mReplyID); 899 break; 900 } 901 902 case CodecBase::kWhatInputSurfaceCreated: 903 { 904 // response to initiateCreateInputSurface() 905 status_t err = NO_ERROR; 906 sp<AMessage> response = new AMessage(); 907 if (!msg->findInt32("err", &err)) { 908 sp<RefBase> obj; 909 msg->findObject("input-surface", &obj); 910 CHECK(obj != NULL); 911 response->setObject("input-surface", obj); 912 mHaveInputSurface = true; 913 } else { 914 response->setInt32("err", err); 915 } 916 response->postReply(mReplyID); 917 break; 918 } 919 920 case CodecBase::kWhatSignaledInputEOS: 921 { 922 // response to signalEndOfInputStream() 923 sp<AMessage> response = new AMessage(); 924 status_t err; 925 if (msg->findInt32("err", &err)) { 926 response->setInt32("err", err); 927 } 928 response->postReply(mReplyID); 929 break; 930 } 931 932 933 case CodecBase::kWhatBuffersAllocated: 934 { 935 Mutex::Autolock al(mBufferLock); 936 int32_t portIndex; 937 CHECK(msg->findInt32("portIndex", &portIndex)); 938 939 ALOGV("%s buffers allocated", 940 portIndex == kPortIndexInput ? "input" : "output"); 941 942 CHECK(portIndex == kPortIndexInput 943 || portIndex == kPortIndexOutput); 944 945 mPortBuffers[portIndex].clear(); 946 947 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 948 949 sp<RefBase> obj; 950 CHECK(msg->findObject("portDesc", &obj)); 951 952 sp<CodecBase::PortDescription> portDesc = 953 static_cast<CodecBase::PortDescription *>(obj.get()); 954 955 size_t numBuffers = portDesc->countBuffers(); 956 957 for (size_t i = 0; i < numBuffers; ++i) { 958 BufferInfo info; 959 info.mBufferID = portDesc->bufferIDAt(i); 960 info.mOwnedByClient = false; 961 info.mData = portDesc->bufferAt(i); 962 963 if (portIndex == kPortIndexInput && mCrypto != NULL) { 964 info.mEncryptedData = 965 new ABuffer(info.mData->capacity()); 966 } 967 968 buffers->push_back(info); 969 } 970 971 if (portIndex == kPortIndexOutput) { 972 if (mState == STARTING) { 973 // We're always allocating output buffers after 974 // allocating input buffers, so this is a good 975 // indication that now all buffers are allocated. 976 setState(STARTED); 977 (new AMessage)->postReply(mReplyID); 978 } else { 979 mFlags |= kFlagOutputBuffersChanged; 980 postActivityNotificationIfPossible(); 981 } 982 } 983 break; 984 } 985 986 case CodecBase::kWhatOutputFormatChanged: 987 { 988 ALOGV("codec output format changed"); 989 990 if (mSoftRenderer == NULL && 991 mNativeWindow != NULL && 992 (mFlags & kFlagIsSoftwareCodec)) { 993 AString mime; 994 CHECK(msg->findString("mime", &mime)); 995 996 if (mime.startsWithIgnoreCase("video/")) { 997 mSoftRenderer = new SoftwareRenderer(mNativeWindow); 998 } 999 } 1000 1001 mOutputFormat = msg; 1002 1003 if (mFlags & kFlagIsEncoder) { 1004 // Before we announce the format change we should 1005 // collect codec specific data and amend the output 1006 // format as necessary. 1007 mFlags |= kFlagGatherCodecSpecificData; 1008 } else if (mFlags & kFlagIsAsync) { 1009 onOutputFormatChanged(); 1010 } else { 1011 mFlags |= kFlagOutputFormatChanged; 1012 postActivityNotificationIfPossible(); 1013 } 1014 1015 // Notify mCrypto of video resolution changes 1016 if (mCrypto != NULL) { 1017 int32_t height, width; 1018 if (mOutputFormat->findInt32("height", &height) && 1019 mOutputFormat->findInt32("width", &width)) { 1020 mCrypto->notifyResolution(width, height); 1021 } 1022 } 1023 1024 break; 1025 } 1026 1027 case CodecBase::kWhatFillThisBuffer: 1028 { 1029 /* size_t index = */updateBuffers(kPortIndexInput, msg); 1030 1031 if (mState == FLUSHING 1032 || mState == STOPPING 1033 || mState == RELEASING) { 1034 returnBuffersToCodecOnPort(kPortIndexInput); 1035 break; 1036 } 1037 1038 if (!mCSD.empty()) { 1039 ssize_t index = dequeuePortBuffer(kPortIndexInput); 1040 CHECK_GE(index, 0); 1041 1042 // If codec specific data had been specified as 1043 // part of the format in the call to configure and 1044 // if there's more csd left, we submit it here 1045 // clients only get access to input buffers once 1046 // this data has been exhausted. 1047 1048 status_t err = queueCSDInputBuffer(index); 1049 1050 if (err != OK) { 1051 ALOGE("queueCSDInputBuffer failed w/ error %d", 1052 err); 1053 1054 setStickyError(err); 1055 postActivityNotificationIfPossible(); 1056 1057 cancelPendingDequeueOperations(); 1058 } 1059 break; 1060 } 1061 1062 if (mFlags & kFlagIsAsync) { 1063 if (!mHaveInputSurface) { 1064 onInputBufferAvailable(); 1065 } 1066 } else if (mFlags & kFlagDequeueInputPending) { 1067 CHECK(handleDequeueInputBuffer(mDequeueInputReplyID)); 1068 1069 ++mDequeueInputTimeoutGeneration; 1070 mFlags &= ~kFlagDequeueInputPending; 1071 mDequeueInputReplyID = 0; 1072 } else { 1073 postActivityNotificationIfPossible(); 1074 } 1075 break; 1076 } 1077 1078 case CodecBase::kWhatDrainThisBuffer: 1079 { 1080 /* size_t index = */updateBuffers(kPortIndexOutput, msg); 1081 1082 if (mState == FLUSHING 1083 || mState == STOPPING 1084 || mState == RELEASING) { 1085 returnBuffersToCodecOnPort(kPortIndexOutput); 1086 break; 1087 } 1088 1089 sp<ABuffer> buffer; 1090 CHECK(msg->findBuffer("buffer", &buffer)); 1091 1092 int32_t omxFlags; 1093 CHECK(msg->findInt32("flags", &omxFlags)); 1094 1095 buffer->meta()->setInt32("omxFlags", omxFlags); 1096 1097 if (mFlags & kFlagGatherCodecSpecificData) { 1098 // This is the very first output buffer after a 1099 // format change was signalled, it'll either contain 1100 // the one piece of codec specific data we can expect 1101 // or there won't be codec specific data. 1102 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 1103 status_t err = 1104 amendOutputFormatWithCodecSpecificData(buffer); 1105 1106 if (err != OK) { 1107 ALOGE("Codec spit out malformed codec " 1108 "specific data!"); 1109 } 1110 } 1111 1112 mFlags &= ~kFlagGatherCodecSpecificData; 1113 if (mFlags & kFlagIsAsync) { 1114 onOutputFormatChanged(); 1115 } else { 1116 mFlags |= kFlagOutputFormatChanged; 1117 } 1118 } 1119 1120 if (mFlags & kFlagIsAsync) { 1121 onOutputBufferAvailable(); 1122 } else if (mFlags & kFlagDequeueOutputPending) { 1123 CHECK(handleDequeueOutputBuffer(mDequeueOutputReplyID)); 1124 1125 ++mDequeueOutputTimeoutGeneration; 1126 mFlags &= ~kFlagDequeueOutputPending; 1127 mDequeueOutputReplyID = 0; 1128 } else { 1129 postActivityNotificationIfPossible(); 1130 } 1131 1132 break; 1133 } 1134 1135 case CodecBase::kWhatEOS: 1136 { 1137 // We already notify the client of this by using the 1138 // corresponding flag in "onOutputBufferReady". 1139 break; 1140 } 1141 1142 case CodecBase::kWhatShutdownCompleted: 1143 { 1144 if (mState == STOPPING) { 1145 setState(INITIALIZED); 1146 } else { 1147 CHECK_EQ(mState, RELEASING); 1148 setState(UNINITIALIZED); 1149 mComponentName.clear(); 1150 } 1151 mFlags &= ~kFlagIsComponentAllocated; 1152 1153 (new AMessage)->postReply(mReplyID); 1154 break; 1155 } 1156 1157 case CodecBase::kWhatFlushCompleted: 1158 { 1159 if (mState != FLUSHING) { 1160 ALOGW("received FlushCompleted message in state %d", 1161 mState); 1162 break; 1163 } 1164 1165 if (mFlags & kFlagIsAsync) { 1166 setState(FLUSHED); 1167 } else { 1168 setState(STARTED); 1169 mCodec->signalResume(); 1170 } 1171 1172 (new AMessage)->postReply(mReplyID); 1173 break; 1174 } 1175 1176 default: 1177 TRESPASS(); 1178 } 1179 break; 1180 } 1181 1182 case kWhatInit: 1183 { 1184 uint32_t replyID; 1185 CHECK(msg->senderAwaitsResponse(&replyID)); 1186 1187 if (mState != UNINITIALIZED) { 1188 PostReplyWithError(replyID, INVALID_OPERATION); 1189 break; 1190 } 1191 1192 mReplyID = replyID; 1193 setState(INITIALIZING); 1194 1195 AString name; 1196 CHECK(msg->findString("name", &name)); 1197 1198 int32_t nameIsType; 1199 int32_t encoder = false; 1200 CHECK(msg->findInt32("nameIsType", &nameIsType)); 1201 if (nameIsType) { 1202 CHECK(msg->findInt32("encoder", &encoder)); 1203 } 1204 1205 sp<AMessage> format = new AMessage; 1206 1207 if (nameIsType) { 1208 format->setString("mime", name.c_str()); 1209 format->setInt32("encoder", encoder); 1210 } else { 1211 format->setString("componentName", name.c_str()); 1212 } 1213 1214 mCodec->initiateAllocateComponent(format); 1215 break; 1216 } 1217 1218 case kWhatSetCallback: 1219 { 1220 uint32_t replyID; 1221 CHECK(msg->senderAwaitsResponse(&replyID)); 1222 1223 if (mState == UNINITIALIZED 1224 || mState == INITIALIZING 1225 || isExecuting()) { 1226 // callback can't be set after codec is executing, 1227 // or before it's initialized (as the callback 1228 // will be cleared when it goes to INITIALIZED) 1229 PostReplyWithError(replyID, INVALID_OPERATION); 1230 break; 1231 } 1232 1233 sp<AMessage> callback; 1234 CHECK(msg->findMessage("callback", &callback)); 1235 1236 mCallback = callback; 1237 1238 if (mCallback != NULL) { 1239 ALOGI("MediaCodec will operate in async mode"); 1240 mFlags |= kFlagIsAsync; 1241 } else { 1242 mFlags &= ~kFlagIsAsync; 1243 } 1244 1245 sp<AMessage> response = new AMessage; 1246 response->postReply(replyID); 1247 break; 1248 } 1249 1250 case kWhatConfigure: 1251 { 1252 uint32_t replyID; 1253 CHECK(msg->senderAwaitsResponse(&replyID)); 1254 1255 if (mState != INITIALIZED) { 1256 PostReplyWithError(replyID, INVALID_OPERATION); 1257 break; 1258 } 1259 1260 sp<RefBase> obj; 1261 if (!msg->findObject("native-window", &obj)) { 1262 obj.clear(); 1263 } 1264 1265 sp<AMessage> format; 1266 CHECK(msg->findMessage("format", &format)); 1267 1268 if (obj != NULL) { 1269 format->setObject("native-window", obj); 1270 1271 status_t err = setNativeWindow( 1272 static_cast<NativeWindowWrapper *>(obj.get()) 1273 ->getSurfaceTextureClient()); 1274 1275 if (err != OK) { 1276 PostReplyWithError(replyID, err); 1277 break; 1278 } 1279 } else { 1280 setNativeWindow(NULL); 1281 } 1282 1283 mReplyID = replyID; 1284 setState(CONFIGURING); 1285 1286 void *crypto; 1287 if (!msg->findPointer("crypto", &crypto)) { 1288 crypto = NULL; 1289 } 1290 1291 mCrypto = static_cast<ICrypto *>(crypto); 1292 1293 uint32_t flags; 1294 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1295 1296 if (flags & CONFIGURE_FLAG_ENCODE) { 1297 format->setInt32("encoder", true); 1298 mFlags |= kFlagIsEncoder; 1299 } 1300 1301 extractCSD(format); 1302 1303 mCodec->initiateConfigureComponent(format); 1304 break; 1305 } 1306 1307 case kWhatCreateInputSurface: 1308 { 1309 uint32_t replyID; 1310 CHECK(msg->senderAwaitsResponse(&replyID)); 1311 1312 // Must be configured, but can't have been started yet. 1313 if (mState != CONFIGURED) { 1314 PostReplyWithError(replyID, INVALID_OPERATION); 1315 break; 1316 } 1317 1318 mReplyID = replyID; 1319 mCodec->initiateCreateInputSurface(); 1320 break; 1321 } 1322 1323 case kWhatStart: 1324 { 1325 uint32_t replyID; 1326 CHECK(msg->senderAwaitsResponse(&replyID)); 1327 1328 if (mState == FLUSHED) { 1329 setState(STARTED); 1330 mCodec->signalResume(); 1331 PostReplyWithError(replyID, OK); 1332 break; 1333 } else if (mState != CONFIGURED) { 1334 PostReplyWithError(replyID, INVALID_OPERATION); 1335 break; 1336 } 1337 1338 mReplyID = replyID; 1339 setState(STARTING); 1340 1341 mCodec->initiateStart(); 1342 break; 1343 } 1344 1345 case kWhatStop: 1346 case kWhatRelease: 1347 { 1348 State targetState = 1349 (msg->what() == kWhatStop) ? INITIALIZED : UNINITIALIZED; 1350 1351 uint32_t replyID; 1352 CHECK(msg->senderAwaitsResponse(&replyID)); 1353 1354 if (!((mFlags & kFlagIsComponentAllocated) && targetState == UNINITIALIZED) // See 1 1355 && mState != INITIALIZED 1356 && mState != CONFIGURED && !isExecuting()) { 1357 // 1) Permit release to shut down the component if allocated. 1358 // 1359 // 2) We may be in "UNINITIALIZED" state already and 1360 // also shutdown the encoder/decoder without the 1361 // client being aware of this if media server died while 1362 // we were being stopped. The client would assume that 1363 // after stop() returned, it would be safe to call release() 1364 // and it should be in this case, no harm to allow a release() 1365 // if we're already uninitialized. 1366 sp<AMessage> response = new AMessage; 1367 status_t err = mState == targetState ? OK : INVALID_OPERATION; 1368 response->setInt32("err", err); 1369 if (err == OK && targetState == UNINITIALIZED) { 1370 mComponentName.clear(); 1371 } 1372 response->postReply(replyID); 1373 break; 1374 } 1375 1376 if (mFlags & kFlagSawMediaServerDie) { 1377 // It's dead, Jim. Don't expect initiateShutdown to yield 1378 // any useful results now... 1379 setState(UNINITIALIZED); 1380 if (targetState == UNINITIALIZED) { 1381 mComponentName.clear(); 1382 } 1383 (new AMessage)->postReply(replyID); 1384 break; 1385 } 1386 1387 mReplyID = replyID; 1388 setState(msg->what() == kWhatStop ? STOPPING : RELEASING); 1389 1390 mCodec->initiateShutdown( 1391 msg->what() == kWhatStop /* keepComponentAllocated */); 1392 1393 returnBuffersToCodec(); 1394 break; 1395 } 1396 1397 case kWhatDequeueInputBuffer: 1398 { 1399 uint32_t replyID; 1400 CHECK(msg->senderAwaitsResponse(&replyID)); 1401 1402 if (mFlags & kFlagIsAsync) { 1403 ALOGE("dequeueOutputBuffer can't be used in async mode"); 1404 PostReplyWithError(replyID, INVALID_OPERATION); 1405 break; 1406 } 1407 1408 if (mHaveInputSurface) { 1409 ALOGE("dequeueInputBuffer can't be used with input surface"); 1410 PostReplyWithError(replyID, INVALID_OPERATION); 1411 break; 1412 } 1413 1414 if (handleDequeueInputBuffer(replyID, true /* new request */)) { 1415 break; 1416 } 1417 1418 int64_t timeoutUs; 1419 CHECK(msg->findInt64("timeoutUs", &timeoutUs)); 1420 1421 if (timeoutUs == 0ll) { 1422 PostReplyWithError(replyID, -EAGAIN); 1423 break; 1424 } 1425 1426 mFlags |= kFlagDequeueInputPending; 1427 mDequeueInputReplyID = replyID; 1428 1429 if (timeoutUs > 0ll) { 1430 sp<AMessage> timeoutMsg = 1431 new AMessage(kWhatDequeueInputTimedOut, id()); 1432 timeoutMsg->setInt32( 1433 "generation", ++mDequeueInputTimeoutGeneration); 1434 timeoutMsg->post(timeoutUs); 1435 } 1436 break; 1437 } 1438 1439 case kWhatDequeueInputTimedOut: 1440 { 1441 int32_t generation; 1442 CHECK(msg->findInt32("generation", &generation)); 1443 1444 if (generation != mDequeueInputTimeoutGeneration) { 1445 // Obsolete 1446 break; 1447 } 1448 1449 CHECK(mFlags & kFlagDequeueInputPending); 1450 1451 PostReplyWithError(mDequeueInputReplyID, -EAGAIN); 1452 1453 mFlags &= ~kFlagDequeueInputPending; 1454 mDequeueInputReplyID = 0; 1455 break; 1456 } 1457 1458 case kWhatQueueInputBuffer: 1459 { 1460 uint32_t replyID; 1461 CHECK(msg->senderAwaitsResponse(&replyID)); 1462 1463 if (!isExecuting()) { 1464 PostReplyWithError(replyID, INVALID_OPERATION); 1465 break; 1466 } else if (mFlags & kFlagStickyError) { 1467 PostReplyWithError(replyID, getStickyError()); 1468 break; 1469 } 1470 1471 status_t err = onQueueInputBuffer(msg); 1472 1473 PostReplyWithError(replyID, err); 1474 break; 1475 } 1476 1477 case kWhatDequeueOutputBuffer: 1478 { 1479 uint32_t replyID; 1480 CHECK(msg->senderAwaitsResponse(&replyID)); 1481 1482 if (mFlags & kFlagIsAsync) { 1483 ALOGE("dequeueOutputBuffer can't be used in async mode"); 1484 PostReplyWithError(replyID, INVALID_OPERATION); 1485 break; 1486 } 1487 1488 if (handleDequeueOutputBuffer(replyID, true /* new request */)) { 1489 break; 1490 } 1491 1492 int64_t timeoutUs; 1493 CHECK(msg->findInt64("timeoutUs", &timeoutUs)); 1494 1495 if (timeoutUs == 0ll) { 1496 PostReplyWithError(replyID, -EAGAIN); 1497 break; 1498 } 1499 1500 mFlags |= kFlagDequeueOutputPending; 1501 mDequeueOutputReplyID = replyID; 1502 1503 if (timeoutUs > 0ll) { 1504 sp<AMessage> timeoutMsg = 1505 new AMessage(kWhatDequeueOutputTimedOut, id()); 1506 timeoutMsg->setInt32( 1507 "generation", ++mDequeueOutputTimeoutGeneration); 1508 timeoutMsg->post(timeoutUs); 1509 } 1510 break; 1511 } 1512 1513 case kWhatDequeueOutputTimedOut: 1514 { 1515 int32_t generation; 1516 CHECK(msg->findInt32("generation", &generation)); 1517 1518 if (generation != mDequeueOutputTimeoutGeneration) { 1519 // Obsolete 1520 break; 1521 } 1522 1523 CHECK(mFlags & kFlagDequeueOutputPending); 1524 1525 PostReplyWithError(mDequeueOutputReplyID, -EAGAIN); 1526 1527 mFlags &= ~kFlagDequeueOutputPending; 1528 mDequeueOutputReplyID = 0; 1529 break; 1530 } 1531 1532 case kWhatReleaseOutputBuffer: 1533 { 1534 uint32_t replyID; 1535 CHECK(msg->senderAwaitsResponse(&replyID)); 1536 1537 if (!isExecuting()) { 1538 PostReplyWithError(replyID, INVALID_OPERATION); 1539 break; 1540 } else if (mFlags & kFlagStickyError) { 1541 PostReplyWithError(replyID, getStickyError()); 1542 break; 1543 } 1544 1545 status_t err = onReleaseOutputBuffer(msg); 1546 1547 PostReplyWithError(replyID, err); 1548 break; 1549 } 1550 1551 case kWhatSignalEndOfInputStream: 1552 { 1553 uint32_t replyID; 1554 CHECK(msg->senderAwaitsResponse(&replyID)); 1555 1556 if (!isExecuting()) { 1557 PostReplyWithError(replyID, INVALID_OPERATION); 1558 break; 1559 } else if (mFlags & kFlagStickyError) { 1560 PostReplyWithError(replyID, getStickyError()); 1561 break; 1562 } 1563 1564 mReplyID = replyID; 1565 mCodec->signalEndOfInputStream(); 1566 break; 1567 } 1568 1569 case kWhatGetBuffers: 1570 { 1571 uint32_t replyID; 1572 CHECK(msg->senderAwaitsResponse(&replyID)); 1573 1574 if (!isExecuting() || (mFlags & kFlagIsAsync)) { 1575 PostReplyWithError(replyID, INVALID_OPERATION); 1576 break; 1577 } else if (mFlags & kFlagStickyError) { 1578 PostReplyWithError(replyID, getStickyError()); 1579 break; 1580 } 1581 1582 int32_t portIndex; 1583 CHECK(msg->findInt32("portIndex", &portIndex)); 1584 1585 Vector<sp<ABuffer> > *dstBuffers; 1586 CHECK(msg->findPointer("buffers", (void **)&dstBuffers)); 1587 1588 dstBuffers->clear(); 1589 const Vector<BufferInfo> &srcBuffers = mPortBuffers[portIndex]; 1590 1591 for (size_t i = 0; i < srcBuffers.size(); ++i) { 1592 const BufferInfo &info = srcBuffers.itemAt(i); 1593 1594 dstBuffers->push_back( 1595 (portIndex == kPortIndexInput && mCrypto != NULL) 1596 ? info.mEncryptedData : info.mData); 1597 } 1598 1599 (new AMessage)->postReply(replyID); 1600 break; 1601 } 1602 1603 case kWhatFlush: 1604 { 1605 uint32_t replyID; 1606 CHECK(msg->senderAwaitsResponse(&replyID)); 1607 1608 if (!isExecuting()) { 1609 PostReplyWithError(replyID, INVALID_OPERATION); 1610 break; 1611 } else if (mFlags & kFlagStickyError) { 1612 PostReplyWithError(replyID, getStickyError()); 1613 break; 1614 } 1615 1616 mReplyID = replyID; 1617 // TODO: skip flushing if already FLUSHED 1618 setState(FLUSHING); 1619 1620 mCodec->signalFlush(); 1621 returnBuffersToCodec(); 1622 break; 1623 } 1624 1625 case kWhatGetInputFormat: 1626 case kWhatGetOutputFormat: 1627 { 1628 sp<AMessage> format = 1629 (msg->what() == kWhatGetOutputFormat ? mOutputFormat : mInputFormat); 1630 1631 uint32_t replyID; 1632 CHECK(msg->senderAwaitsResponse(&replyID)); 1633 1634 if ((mState != CONFIGURED && mState != STARTING && 1635 mState != STARTED && mState != FLUSHING && 1636 mState != FLUSHED) 1637 || format == NULL) { 1638 PostReplyWithError(replyID, INVALID_OPERATION); 1639 break; 1640 } else if (mFlags & kFlagStickyError) { 1641 PostReplyWithError(replyID, getStickyError()); 1642 break; 1643 } 1644 1645 sp<AMessage> response = new AMessage; 1646 response->setMessage("format", format); 1647 response->postReply(replyID); 1648 break; 1649 } 1650 1651 case kWhatRequestIDRFrame: 1652 { 1653 mCodec->signalRequestIDRFrame(); 1654 break; 1655 } 1656 1657 case kWhatRequestActivityNotification: 1658 { 1659 CHECK(mActivityNotify == NULL); 1660 CHECK(msg->findMessage("notify", &mActivityNotify)); 1661 1662 postActivityNotificationIfPossible(); 1663 break; 1664 } 1665 1666 case kWhatGetName: 1667 { 1668 uint32_t replyID; 1669 CHECK(msg->senderAwaitsResponse(&replyID)); 1670 1671 if (mComponentName.empty()) { 1672 PostReplyWithError(replyID, INVALID_OPERATION); 1673 break; 1674 } 1675 1676 sp<AMessage> response = new AMessage; 1677 response->setString("name", mComponentName.c_str()); 1678 response->postReply(replyID); 1679 break; 1680 } 1681 1682 case kWhatSetParameters: 1683 { 1684 uint32_t replyID; 1685 CHECK(msg->senderAwaitsResponse(&replyID)); 1686 1687 sp<AMessage> params; 1688 CHECK(msg->findMessage("params", ¶ms)); 1689 1690 status_t err = onSetParameters(params); 1691 1692 PostReplyWithError(replyID, err); 1693 break; 1694 } 1695 1696 default: 1697 TRESPASS(); 1698 } 1699} 1700 1701void MediaCodec::extractCSD(const sp<AMessage> &format) { 1702 mCSD.clear(); 1703 1704 size_t i = 0; 1705 for (;;) { 1706 sp<ABuffer> csd; 1707 if (!format->findBuffer(StringPrintf("csd-%u", i).c_str(), &csd)) { 1708 break; 1709 } 1710 1711 mCSD.push_back(csd); 1712 ++i; 1713 } 1714 1715 ALOGV("Found %zu pieces of codec specific data.", mCSD.size()); 1716} 1717 1718status_t MediaCodec::queueCSDInputBuffer(size_t bufferIndex) { 1719 CHECK(!mCSD.empty()); 1720 1721 const BufferInfo *info = 1722 &mPortBuffers[kPortIndexInput].itemAt(bufferIndex); 1723 1724 sp<ABuffer> csd = *mCSD.begin(); 1725 mCSD.erase(mCSD.begin()); 1726 1727 const sp<ABuffer> &codecInputData = 1728 (mCrypto != NULL) ? info->mEncryptedData : info->mData; 1729 1730 if (csd->size() > codecInputData->capacity()) { 1731 return -EINVAL; 1732 } 1733 1734 memcpy(codecInputData->data(), csd->data(), csd->size()); 1735 1736 AString errorDetailMsg; 1737 1738 sp<AMessage> msg = new AMessage(kWhatQueueInputBuffer, id()); 1739 msg->setSize("index", bufferIndex); 1740 msg->setSize("offset", 0); 1741 msg->setSize("size", csd->size()); 1742 msg->setInt64("timeUs", 0ll); 1743 msg->setInt32("flags", BUFFER_FLAG_CODECCONFIG); 1744 msg->setPointer("errorDetailMsg", &errorDetailMsg); 1745 1746 return onQueueInputBuffer(msg); 1747} 1748 1749void MediaCodec::setState(State newState) { 1750 if (newState == INITIALIZED || newState == UNINITIALIZED) { 1751 delete mSoftRenderer; 1752 mSoftRenderer = NULL; 1753 1754 mCrypto.clear(); 1755 setNativeWindow(NULL); 1756 1757 mInputFormat.clear(); 1758 mOutputFormat.clear(); 1759 mFlags &= ~kFlagOutputFormatChanged; 1760 mFlags &= ~kFlagOutputBuffersChanged; 1761 mFlags &= ~kFlagStickyError; 1762 mFlags &= ~kFlagIsEncoder; 1763 mFlags &= ~kFlagGatherCodecSpecificData; 1764 mFlags &= ~kFlagIsAsync; 1765 mStickyError = OK; 1766 1767 mActivityNotify.clear(); 1768 mCallback.clear(); 1769 } 1770 1771 if (newState == UNINITIALIZED) { 1772 // return any straggling buffers, e.g. if we got here on an error 1773 returnBuffersToCodec(); 1774 1775 // The component is gone, mediaserver's probably back up already 1776 // but should definitely be back up should we try to instantiate 1777 // another component.. and the cycle continues. 1778 mFlags &= ~kFlagSawMediaServerDie; 1779 } 1780 1781 mState = newState; 1782 1783 cancelPendingDequeueOperations(); 1784 1785 updateBatteryStat(); 1786} 1787 1788void MediaCodec::returnBuffersToCodec() { 1789 returnBuffersToCodecOnPort(kPortIndexInput); 1790 returnBuffersToCodecOnPort(kPortIndexOutput); 1791} 1792 1793void MediaCodec::returnBuffersToCodecOnPort(int32_t portIndex) { 1794 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 1795 Mutex::Autolock al(mBufferLock); 1796 1797 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 1798 1799 for (size_t i = 0; i < buffers->size(); ++i) { 1800 BufferInfo *info = &buffers->editItemAt(i); 1801 1802 if (info->mNotify != NULL) { 1803 sp<AMessage> msg = info->mNotify; 1804 info->mNotify = NULL; 1805 info->mOwnedByClient = false; 1806 1807 if (portIndex == kPortIndexInput) { 1808 /* no error, just returning buffers */ 1809 msg->setInt32("err", OK); 1810 } 1811 msg->post(); 1812 } 1813 } 1814 1815 mAvailPortBuffers[portIndex].clear(); 1816} 1817 1818size_t MediaCodec::updateBuffers( 1819 int32_t portIndex, const sp<AMessage> &msg) { 1820 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 1821 1822 uint32_t bufferID; 1823 CHECK(msg->findInt32("buffer-id", (int32_t*)&bufferID)); 1824 1825 Vector<BufferInfo> *buffers = &mPortBuffers[portIndex]; 1826 1827 for (size_t i = 0; i < buffers->size(); ++i) { 1828 BufferInfo *info = &buffers->editItemAt(i); 1829 1830 if (info->mBufferID == bufferID) { 1831 CHECK(info->mNotify == NULL); 1832 CHECK(msg->findMessage("reply", &info->mNotify)); 1833 1834 info->mFormat = 1835 (portIndex == kPortIndexInput) ? mInputFormat : mOutputFormat; 1836 mAvailPortBuffers[portIndex].push_back(i); 1837 1838 return i; 1839 } 1840 } 1841 1842 TRESPASS(); 1843 1844 return 0; 1845} 1846 1847status_t MediaCodec::onQueueInputBuffer(const sp<AMessage> &msg) { 1848 size_t index; 1849 size_t offset; 1850 size_t size; 1851 int64_t timeUs; 1852 uint32_t flags; 1853 CHECK(msg->findSize("index", &index)); 1854 CHECK(msg->findSize("offset", &offset)); 1855 CHECK(msg->findInt64("timeUs", &timeUs)); 1856 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1857 1858 const CryptoPlugin::SubSample *subSamples; 1859 size_t numSubSamples; 1860 const uint8_t *key; 1861 const uint8_t *iv; 1862 CryptoPlugin::Mode mode = CryptoPlugin::kMode_Unencrypted; 1863 1864 // We allow the simpler queueInputBuffer API to be used even in 1865 // secure mode, by fabricating a single unencrypted subSample. 1866 CryptoPlugin::SubSample ss; 1867 1868 if (msg->findSize("size", &size)) { 1869 if (mCrypto != NULL) { 1870 ss.mNumBytesOfClearData = size; 1871 ss.mNumBytesOfEncryptedData = 0; 1872 1873 subSamples = &ss; 1874 numSubSamples = 1; 1875 key = NULL; 1876 iv = NULL; 1877 } 1878 } else { 1879 if (mCrypto == NULL) { 1880 return -EINVAL; 1881 } 1882 1883 CHECK(msg->findPointer("subSamples", (void **)&subSamples)); 1884 CHECK(msg->findSize("numSubSamples", &numSubSamples)); 1885 CHECK(msg->findPointer("key", (void **)&key)); 1886 CHECK(msg->findPointer("iv", (void **)&iv)); 1887 1888 int32_t tmp; 1889 CHECK(msg->findInt32("mode", &tmp)); 1890 1891 mode = (CryptoPlugin::Mode)tmp; 1892 1893 size = 0; 1894 for (size_t i = 0; i < numSubSamples; ++i) { 1895 size += subSamples[i].mNumBytesOfClearData; 1896 size += subSamples[i].mNumBytesOfEncryptedData; 1897 } 1898 } 1899 1900 if (index >= mPortBuffers[kPortIndexInput].size()) { 1901 return -ERANGE; 1902 } 1903 1904 BufferInfo *info = &mPortBuffers[kPortIndexInput].editItemAt(index); 1905 1906 if (info->mNotify == NULL || !info->mOwnedByClient) { 1907 return -EACCES; 1908 } 1909 1910 if (offset + size > info->mData->capacity()) { 1911 return -EINVAL; 1912 } 1913 1914 sp<AMessage> reply = info->mNotify; 1915 info->mData->setRange(offset, size); 1916 info->mData->meta()->setInt64("timeUs", timeUs); 1917 1918 if (flags & BUFFER_FLAG_EOS) { 1919 info->mData->meta()->setInt32("eos", true); 1920 } 1921 1922 if (flags & BUFFER_FLAG_CODECCONFIG) { 1923 info->mData->meta()->setInt32("csd", true); 1924 } 1925 1926 if (mCrypto != NULL) { 1927 if (size > info->mEncryptedData->capacity()) { 1928 return -ERANGE; 1929 } 1930 1931 AString *errorDetailMsg; 1932 CHECK(msg->findPointer("errorDetailMsg", (void **)&errorDetailMsg)); 1933 1934 ssize_t result = mCrypto->decrypt( 1935 (mFlags & kFlagIsSecure) != 0, 1936 key, 1937 iv, 1938 mode, 1939 info->mEncryptedData->base() + offset, 1940 subSamples, 1941 numSubSamples, 1942 info->mData->base(), 1943 errorDetailMsg); 1944 1945 if (result < 0) { 1946 return result; 1947 } 1948 1949 info->mData->setRange(0, result); 1950 } 1951 1952 // synchronization boundary for getBufferAndFormat 1953 { 1954 Mutex::Autolock al(mBufferLock); 1955 info->mOwnedByClient = false; 1956 } 1957 reply->setBuffer("buffer", info->mData); 1958 reply->post(); 1959 1960 info->mNotify = NULL; 1961 1962 return OK; 1963} 1964 1965status_t MediaCodec::onReleaseOutputBuffer(const sp<AMessage> &msg) { 1966 size_t index; 1967 CHECK(msg->findSize("index", &index)); 1968 1969 int32_t render; 1970 if (!msg->findInt32("render", &render)) { 1971 render = 0; 1972 } 1973 1974 if (!isExecuting()) { 1975 return -EINVAL; 1976 } 1977 1978 if (index >= mPortBuffers[kPortIndexOutput].size()) { 1979 return -ERANGE; 1980 } 1981 1982 BufferInfo *info = &mPortBuffers[kPortIndexOutput].editItemAt(index); 1983 1984 if (info->mNotify == NULL || !info->mOwnedByClient) { 1985 return -EACCES; 1986 } 1987 1988 // synchronization boundary for getBufferAndFormat 1989 { 1990 Mutex::Autolock al(mBufferLock); 1991 info->mOwnedByClient = false; 1992 } 1993 1994 if (render && info->mData != NULL && info->mData->size() != 0) { 1995 info->mNotify->setInt32("render", true); 1996 1997 int64_t timestampNs = 0; 1998 if (msg->findInt64("timestampNs", ×tampNs)) { 1999 info->mNotify->setInt64("timestampNs", timestampNs); 2000 } else { 2001 // TODO: it seems like we should use the timestamp 2002 // in the (media)buffer as it potentially came from 2003 // an input surface, but we did not propagate it prior to 2004 // API 20. Perhaps check for target SDK version. 2005#if 0 2006 if (info->mData->meta()->findInt64("timeUs", ×tampNs)) { 2007 ALOGV("using buffer PTS of %" PRId64, timestampNs); 2008 timestampNs *= 1000; 2009 } 2010#endif 2011 } 2012 2013 if (mSoftRenderer != NULL) { 2014 mSoftRenderer->render( 2015 info->mData->data(), info->mData->size(), 2016 timestampNs, NULL, info->mFormat); 2017 } 2018 } 2019 2020 info->mNotify->post(); 2021 info->mNotify = NULL; 2022 2023 return OK; 2024} 2025 2026ssize_t MediaCodec::dequeuePortBuffer(int32_t portIndex) { 2027 CHECK(portIndex == kPortIndexInput || portIndex == kPortIndexOutput); 2028 2029 List<size_t> *availBuffers = &mAvailPortBuffers[portIndex]; 2030 2031 if (availBuffers->empty()) { 2032 return -EAGAIN; 2033 } 2034 2035 size_t index = *availBuffers->begin(); 2036 availBuffers->erase(availBuffers->begin()); 2037 2038 BufferInfo *info = &mPortBuffers[portIndex].editItemAt(index); 2039 CHECK(!info->mOwnedByClient); 2040 { 2041 Mutex::Autolock al(mBufferLock); 2042 info->mOwnedByClient = true; 2043 2044 // set image-data 2045 if (info->mFormat != NULL) { 2046 sp<ABuffer> imageData; 2047 if (info->mFormat->findBuffer("image-data", &imageData)) { 2048 info->mData->meta()->setBuffer("image-data", imageData); 2049 } 2050 int32_t left, top, right, bottom; 2051 if (info->mFormat->findRect("crop", &left, &top, &right, &bottom)) { 2052 info->mData->meta()->setRect("crop-rect", left, top, right, bottom); 2053 } 2054 } 2055 } 2056 2057 return index; 2058} 2059 2060status_t MediaCodec::setNativeWindow( 2061 const sp<Surface> &surfaceTextureClient) { 2062 status_t err; 2063 2064 if (mNativeWindow != NULL) { 2065 err = native_window_api_disconnect( 2066 mNativeWindow.get(), NATIVE_WINDOW_API_MEDIA); 2067 2068 if (err != OK) { 2069 ALOGW("native_window_api_disconnect returned an error: %s (%d)", 2070 strerror(-err), err); 2071 } 2072 2073 mNativeWindow.clear(); 2074 } 2075 2076 if (surfaceTextureClient != NULL) { 2077 err = native_window_api_connect( 2078 surfaceTextureClient.get(), NATIVE_WINDOW_API_MEDIA); 2079 2080 if (err != OK) { 2081 ALOGE("native_window_api_connect returned an error: %s (%d)", 2082 strerror(-err), err); 2083 2084 return err; 2085 } 2086 2087 mNativeWindow = surfaceTextureClient; 2088 } 2089 2090 return OK; 2091} 2092 2093void MediaCodec::onInputBufferAvailable() { 2094 int32_t index; 2095 while ((index = dequeuePortBuffer(kPortIndexInput)) >= 0) { 2096 sp<AMessage> msg = mCallback->dup(); 2097 msg->setInt32("callbackID", CB_INPUT_AVAILABLE); 2098 msg->setInt32("index", index); 2099 msg->post(); 2100 } 2101} 2102 2103void MediaCodec::onOutputBufferAvailable() { 2104 int32_t index; 2105 while ((index = dequeuePortBuffer(kPortIndexOutput)) >= 0) { 2106 const sp<ABuffer> &buffer = 2107 mPortBuffers[kPortIndexOutput].itemAt(index).mData; 2108 sp<AMessage> msg = mCallback->dup(); 2109 msg->setInt32("callbackID", CB_OUTPUT_AVAILABLE); 2110 msg->setInt32("index", index); 2111 msg->setSize("offset", buffer->offset()); 2112 msg->setSize("size", buffer->size()); 2113 2114 int64_t timeUs; 2115 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 2116 2117 msg->setInt64("timeUs", timeUs); 2118 2119 int32_t omxFlags; 2120 CHECK(buffer->meta()->findInt32("omxFlags", &omxFlags)); 2121 2122 uint32_t flags = 0; 2123 if (omxFlags & OMX_BUFFERFLAG_SYNCFRAME) { 2124 flags |= BUFFER_FLAG_SYNCFRAME; 2125 } 2126 if (omxFlags & OMX_BUFFERFLAG_CODECCONFIG) { 2127 flags |= BUFFER_FLAG_CODECCONFIG; 2128 } 2129 if (omxFlags & OMX_BUFFERFLAG_EOS) { 2130 flags |= BUFFER_FLAG_EOS; 2131 } 2132 2133 msg->setInt32("flags", flags); 2134 2135 msg->post(); 2136 } 2137} 2138 2139void MediaCodec::onError(status_t err, int32_t actionCode, const char *detail) { 2140 if (mCallback != NULL) { 2141 sp<AMessage> msg = mCallback->dup(); 2142 msg->setInt32("callbackID", CB_ERROR); 2143 msg->setInt32("err", err); 2144 msg->setInt32("actionCode", actionCode); 2145 2146 if (detail != NULL) { 2147 msg->setString("detail", detail); 2148 } 2149 2150 msg->post(); 2151 } 2152} 2153 2154void MediaCodec::onOutputFormatChanged() { 2155 if (mCallback != NULL) { 2156 sp<AMessage> msg = mCallback->dup(); 2157 msg->setInt32("callbackID", CB_OUTPUT_FORMAT_CHANGED); 2158 msg->setMessage("format", mOutputFormat); 2159 msg->post(); 2160 } 2161} 2162 2163 2164void MediaCodec::postActivityNotificationIfPossible() { 2165 if (mActivityNotify == NULL) { 2166 return; 2167 } 2168 2169 bool isErrorOrOutputChanged = 2170 (mFlags & (kFlagStickyError 2171 | kFlagOutputBuffersChanged 2172 | kFlagOutputFormatChanged)); 2173 2174 if (isErrorOrOutputChanged 2175 || !mAvailPortBuffers[kPortIndexInput].empty() 2176 || !mAvailPortBuffers[kPortIndexOutput].empty()) { 2177 mActivityNotify->setInt32("input-buffers", 2178 mAvailPortBuffers[kPortIndexInput].size()); 2179 2180 if (isErrorOrOutputChanged) { 2181 // we want consumer to dequeue as many times as it can 2182 mActivityNotify->setInt32("output-buffers", INT32_MAX); 2183 } else { 2184 mActivityNotify->setInt32("output-buffers", 2185 mAvailPortBuffers[kPortIndexOutput].size()); 2186 } 2187 mActivityNotify->post(); 2188 mActivityNotify.clear(); 2189 } 2190} 2191 2192status_t MediaCodec::setParameters(const sp<AMessage> ¶ms) { 2193 sp<AMessage> msg = new AMessage(kWhatSetParameters, id()); 2194 msg->setMessage("params", params); 2195 2196 sp<AMessage> response; 2197 return PostAndAwaitResponse(msg, &response); 2198} 2199 2200status_t MediaCodec::onSetParameters(const sp<AMessage> ¶ms) { 2201 mCodec->signalSetParameters(params); 2202 2203 return OK; 2204} 2205 2206status_t MediaCodec::amendOutputFormatWithCodecSpecificData( 2207 const sp<ABuffer> &buffer) { 2208 AString mime; 2209 CHECK(mOutputFormat->findString("mime", &mime)); 2210 2211 if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_VIDEO_AVC)) { 2212 // Codec specific data should be SPS and PPS in a single buffer, 2213 // each prefixed by a startcode (0x00 0x00 0x00 0x01). 2214 // We separate the two and put them into the output format 2215 // under the keys "csd-0" and "csd-1". 2216 2217 unsigned csdIndex = 0; 2218 2219 const uint8_t *data = buffer->data(); 2220 size_t size = buffer->size(); 2221 2222 const uint8_t *nalStart; 2223 size_t nalSize; 2224 while (getNextNALUnit(&data, &size, &nalStart, &nalSize, true) == OK) { 2225 sp<ABuffer> csd = new ABuffer(nalSize + 4); 2226 memcpy(csd->data(), "\x00\x00\x00\x01", 4); 2227 memcpy(csd->data() + 4, nalStart, nalSize); 2228 2229 mOutputFormat->setBuffer( 2230 StringPrintf("csd-%u", csdIndex).c_str(), csd); 2231 2232 ++csdIndex; 2233 } 2234 2235 if (csdIndex != 2) { 2236 return ERROR_MALFORMED; 2237 } 2238 } else { 2239 // For everything else we just stash the codec specific data into 2240 // the output format as a single piece of csd under "csd-0". 2241 mOutputFormat->setBuffer("csd-0", buffer); 2242 } 2243 2244 return OK; 2245} 2246 2247void MediaCodec::updateBatteryStat() { 2248 if (mState == CONFIGURED && !mBatteryStatNotified) { 2249 AString mime; 2250 CHECK(mOutputFormat != NULL && 2251 mOutputFormat->findString("mime", &mime)); 2252 2253 mIsVideo = mime.startsWithIgnoreCase("video/"); 2254 2255 BatteryNotifier& notifier(BatteryNotifier::getInstance()); 2256 2257 if (mIsVideo) { 2258 notifier.noteStartVideo(); 2259 } else { 2260 notifier.noteStartAudio(); 2261 } 2262 2263 mBatteryStatNotified = true; 2264 } else if (mState == UNINITIALIZED && mBatteryStatNotified) { 2265 BatteryNotifier& notifier(BatteryNotifier::getInstance()); 2266 2267 if (mIsVideo) { 2268 notifier.noteStopVideo(); 2269 } else { 2270 notifier.noteStopAudio(); 2271 } 2272 2273 mBatteryStatNotified = false; 2274 } 2275} 2276 2277} // namespace android 2278