NuPlayerDriver.cpp revision 545e123c54789f8dcb9f5fa77fd5aa0b7a172f10
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "NuPlayerDriver" 19#include <inttypes.h> 20#include <utils/Log.h> 21 22#include "NuPlayerDriver.h" 23 24#include "NuPlayer.h" 25#include "NuPlayerSource.h" 26 27#include <media/stagefright/foundation/ADebug.h> 28#include <media/stagefright/foundation/ALooper.h> 29#include <media/stagefright/foundation/AUtils.h> 30#include <media/stagefright/MetaData.h> 31#include <media/stagefright/Utils.h> 32 33namespace android { 34 35NuPlayerDriver::NuPlayerDriver() 36 : mState(STATE_IDLE), 37 mIsAsyncPrepare(false), 38 mAsyncResult(UNKNOWN_ERROR), 39 mSetSurfaceInProgress(false), 40 mDurationUs(-1), 41 mPositionUs(-1), 42 mSeekInProgress(false), 43 mLooper(new ALooper), 44 mPlayerFlags(0), 45 mAtEOS(false), 46 mLooping(false), 47 mAutoLoop(false), 48 mStartupSeekTimeUs(-1) { 49 ALOGV("NuPlayerDriver(%p)", this); 50 mLooper->setName("NuPlayerDriver Looper"); 51 52 mLooper->start( 53 false, /* runOnCallingThread */ 54 true, /* canCallJava */ 55 PRIORITY_AUDIO); 56 57 mPlayer = new NuPlayer; 58 mLooper->registerHandler(mPlayer); 59 60 mPlayer->setDriver(this); 61} 62 63NuPlayerDriver::~NuPlayerDriver() { 64 ALOGV("~NuPlayerDriver(%p)", this); 65 mLooper->stop(); 66} 67 68status_t NuPlayerDriver::initCheck() { 69 return OK; 70} 71 72status_t NuPlayerDriver::setUID(uid_t uid) { 73 mPlayer->setUID(uid); 74 75 return OK; 76} 77 78status_t NuPlayerDriver::setDataSource( 79 const sp<IMediaHTTPService> &httpService, 80 const char *url, 81 const KeyedVector<String8, String8> *headers) { 82 ALOGV("setDataSource(%p) url(%s)", this, uriDebugString(url, false).c_str()); 83 Mutex::Autolock autoLock(mLock); 84 85 if (mState != STATE_IDLE) { 86 return INVALID_OPERATION; 87 } 88 89 mState = STATE_SET_DATASOURCE_PENDING; 90 91 mPlayer->setDataSourceAsync(httpService, url, headers); 92 93 while (mState == STATE_SET_DATASOURCE_PENDING) { 94 mCondition.wait(mLock); 95 } 96 97 return mAsyncResult; 98} 99 100status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) { 101 ALOGV("setDataSource(%p) file(%d)", this, fd); 102 Mutex::Autolock autoLock(mLock); 103 104 if (mState != STATE_IDLE) { 105 return INVALID_OPERATION; 106 } 107 108 mState = STATE_SET_DATASOURCE_PENDING; 109 110 mPlayer->setDataSourceAsync(fd, offset, length); 111 112 while (mState == STATE_SET_DATASOURCE_PENDING) { 113 mCondition.wait(mLock); 114 } 115 116 return mAsyncResult; 117} 118 119status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) { 120 ALOGV("setDataSource(%p) stream source", this); 121 Mutex::Autolock autoLock(mLock); 122 123 if (mState != STATE_IDLE) { 124 return INVALID_OPERATION; 125 } 126 127 mState = STATE_SET_DATASOURCE_PENDING; 128 129 mPlayer->setDataSourceAsync(source); 130 131 while (mState == STATE_SET_DATASOURCE_PENDING) { 132 mCondition.wait(mLock); 133 } 134 135 return mAsyncResult; 136} 137 138status_t NuPlayerDriver::setVideoSurfaceTexture( 139 const sp<IGraphicBufferProducer> &bufferProducer) { 140 ALOGV("setVideoSurfaceTexture(%p)", this); 141 Mutex::Autolock autoLock(mLock); 142 143 if (mSetSurfaceInProgress) { 144 return INVALID_OPERATION; 145 } 146 147 switch (mState) { 148 case STATE_SET_DATASOURCE_PENDING: 149 case STATE_RESET_IN_PROGRESS: 150 return INVALID_OPERATION; 151 152 default: 153 break; 154 } 155 156 mSetSurfaceInProgress = true; 157 158 mPlayer->setVideoSurfaceTextureAsync(bufferProducer); 159 160 while (mSetSurfaceInProgress) { 161 mCondition.wait(mLock); 162 } 163 164 return OK; 165} 166 167status_t NuPlayerDriver::prepare() { 168 ALOGV("prepare(%p)", this); 169 Mutex::Autolock autoLock(mLock); 170 return prepare_l(); 171} 172 173status_t NuPlayerDriver::prepare_l() { 174 switch (mState) { 175 case STATE_UNPREPARED: 176 mState = STATE_PREPARING; 177 178 // Make sure we're not posting any notifications, success or 179 // failure information is only communicated through our result 180 // code. 181 mIsAsyncPrepare = false; 182 mPlayer->prepareAsync(); 183 while (mState == STATE_PREPARING) { 184 mCondition.wait(mLock); 185 } 186 return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR; 187 case STATE_STOPPED: 188 // this is really just paused. handle as seek to start 189 mAtEOS = false; 190 mState = STATE_STOPPED_AND_PREPARING; 191 mIsAsyncPrepare = false; 192 mPlayer->seekToAsync(0, true /* needNotify */); 193 while (mState == STATE_STOPPED_AND_PREPARING) { 194 mCondition.wait(mLock); 195 } 196 return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR; 197 default: 198 return INVALID_OPERATION; 199 }; 200} 201 202status_t NuPlayerDriver::prepareAsync() { 203 ALOGV("prepareAsync(%p)", this); 204 Mutex::Autolock autoLock(mLock); 205 206 switch (mState) { 207 case STATE_UNPREPARED: 208 mState = STATE_PREPARING; 209 mIsAsyncPrepare = true; 210 mPlayer->prepareAsync(); 211 return OK; 212 case STATE_STOPPED: 213 // this is really just paused. handle as seek to start 214 mAtEOS = false; 215 mState = STATE_STOPPED_AND_PREPARING; 216 mIsAsyncPrepare = true; 217 mPlayer->seekToAsync(0, true /* needNotify */); 218 return OK; 219 default: 220 return INVALID_OPERATION; 221 }; 222} 223 224status_t NuPlayerDriver::start() { 225 ALOGD("start(%p)", this); 226 Mutex::Autolock autoLock(mLock); 227 228 switch (mState) { 229 case STATE_UNPREPARED: 230 { 231 status_t err = prepare_l(); 232 233 if (err != OK) { 234 return err; 235 } 236 237 CHECK_EQ(mState, STATE_PREPARED); 238 239 // fall through 240 } 241 242 case STATE_PAUSED: 243 case STATE_STOPPED_AND_PREPARED: 244 { 245 if (mAtEOS && mStartupSeekTimeUs < 0) { 246 mStartupSeekTimeUs = 0; 247 mPositionUs = -1; 248 } 249 250 // fall through 251 } 252 253 case STATE_PREPARED: 254 { 255 mAtEOS = false; 256 mPlayer->start(); 257 258 if (mStartupSeekTimeUs >= 0) { 259 mPlayer->seekToAsync(mStartupSeekTimeUs); 260 mStartupSeekTimeUs = -1; 261 } 262 break; 263 } 264 265 case STATE_RUNNING: 266 { 267 if (mAtEOS) { 268 mPlayer->seekToAsync(0); 269 mAtEOS = false; 270 mPositionUs = -1; 271 } 272 break; 273 } 274 275 default: 276 return INVALID_OPERATION; 277 } 278 279 mState = STATE_RUNNING; 280 281 return OK; 282} 283 284status_t NuPlayerDriver::stop() { 285 ALOGD("stop(%p)", this); 286 Mutex::Autolock autoLock(mLock); 287 288 switch (mState) { 289 case STATE_RUNNING: 290 mPlayer->pause(); 291 // fall through 292 293 case STATE_PAUSED: 294 mState = STATE_STOPPED; 295 notifyListener_l(MEDIA_STOPPED); 296 break; 297 298 case STATE_PREPARED: 299 case STATE_STOPPED: 300 case STATE_STOPPED_AND_PREPARING: 301 case STATE_STOPPED_AND_PREPARED: 302 mState = STATE_STOPPED; 303 break; 304 305 default: 306 return INVALID_OPERATION; 307 } 308 309 return OK; 310} 311 312status_t NuPlayerDriver::pause() { 313 Mutex::Autolock autoLock(mLock); 314 315 switch (mState) { 316 case STATE_PAUSED: 317 case STATE_PREPARED: 318 return OK; 319 320 case STATE_RUNNING: 321 mState = STATE_PAUSED; 322 notifyListener_l(MEDIA_PAUSED); 323 mPlayer->pause(); 324 break; 325 326 default: 327 return INVALID_OPERATION; 328 } 329 330 return OK; 331} 332 333bool NuPlayerDriver::isPlaying() { 334 return mState == STATE_RUNNING && !mAtEOS; 335} 336 337status_t NuPlayerDriver::seekTo(int msec) { 338 ALOGD("seekTo(%p) %d ms", this, msec); 339 Mutex::Autolock autoLock(mLock); 340 341 int64_t seekTimeUs = msec * 1000ll; 342 343 switch (mState) { 344 case STATE_PREPARED: 345 case STATE_STOPPED_AND_PREPARED: 346 { 347 int curpos = 0; 348 if (mPositionUs > 0) { 349 curpos = (mPositionUs + 500ll) / 1000; 350 } 351 if (curpos == msec) { 352 // nothing to do, and doing something anyway could result in deadlock (b/15323063) 353 break; 354 } 355 mStartupSeekTimeUs = seekTimeUs; 356 // pretend that the seek completed. It will actually happen when starting playback. 357 // TODO: actually perform the seek here, so the player is ready to go at the new 358 // location 359 notifySeekComplete_l(); 360 break; 361 } 362 363 case STATE_RUNNING: 364 case STATE_PAUSED: 365 { 366 mAtEOS = false; 367 mSeekInProgress = true; 368 // seeks can take a while, so we essentially paused 369 notifyListener_l(MEDIA_PAUSED); 370 mPlayer->seekToAsync(seekTimeUs, true /* needNotify */); 371 break; 372 } 373 374 default: 375 return INVALID_OPERATION; 376 } 377 378 mPositionUs = seekTimeUs; 379 return OK; 380} 381 382status_t NuPlayerDriver::getCurrentPosition(int *msec) { 383 int64_t tempUs = 0; 384 status_t ret = mPlayer->getCurrentPosition(&tempUs); 385 386 Mutex::Autolock autoLock(mLock); 387 // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which 388 // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a 389 // position value that's different the seek to position. 390 if (ret != OK || mSeekInProgress) { 391 tempUs = (mPositionUs <= 0) ? 0 : mPositionUs; 392 } else { 393 mPositionUs = tempUs; 394 } 395 *msec = (int)divRound(tempUs, (int64_t)(1000)); 396 return OK; 397} 398 399status_t NuPlayerDriver::getDuration(int *msec) { 400 Mutex::Autolock autoLock(mLock); 401 402 if (mDurationUs < 0) { 403 return UNKNOWN_ERROR; 404 } 405 406 *msec = (mDurationUs + 500ll) / 1000; 407 408 return OK; 409} 410 411status_t NuPlayerDriver::reset() { 412 ALOGD("reset(%p)", this); 413 Mutex::Autolock autoLock(mLock); 414 415 switch (mState) { 416 case STATE_IDLE: 417 return OK; 418 419 case STATE_SET_DATASOURCE_PENDING: 420 case STATE_RESET_IN_PROGRESS: 421 return INVALID_OPERATION; 422 423 case STATE_PREPARING: 424 { 425 CHECK(mIsAsyncPrepare); 426 427 notifyListener_l(MEDIA_PREPARED); 428 break; 429 } 430 431 default: 432 break; 433 } 434 435 if (mState != STATE_STOPPED) { 436 notifyListener_l(MEDIA_STOPPED); 437 } 438 439 mState = STATE_RESET_IN_PROGRESS; 440 mPlayer->resetAsync(); 441 442 while (mState == STATE_RESET_IN_PROGRESS) { 443 mCondition.wait(mLock); 444 } 445 446 mDurationUs = -1; 447 mPositionUs = -1; 448 mStartupSeekTimeUs = -1; 449 mLooping = false; 450 451 return OK; 452} 453 454status_t NuPlayerDriver::setLooping(int loop) { 455 mLooping = loop != 0; 456 return OK; 457} 458 459player_type NuPlayerDriver::playerType() { 460 return NU_PLAYER; 461} 462 463status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) { 464 if (reply == NULL) { 465 ALOGE("reply is a NULL pointer"); 466 return BAD_VALUE; 467 } 468 469 int32_t methodId; 470 status_t ret = request.readInt32(&methodId); 471 if (ret != OK) { 472 ALOGE("Failed to retrieve the requested method to invoke"); 473 return ret; 474 } 475 476 switch (methodId) { 477 case INVOKE_ID_SET_VIDEO_SCALING_MODE: 478 { 479 int mode = request.readInt32(); 480 return mPlayer->setVideoScalingMode(mode); 481 } 482 483 case INVOKE_ID_GET_TRACK_INFO: 484 { 485 return mPlayer->getTrackInfo(reply); 486 } 487 488 case INVOKE_ID_SELECT_TRACK: 489 { 490 int trackIndex = request.readInt32(); 491 return mPlayer->selectTrack(trackIndex, true /* select */); 492 } 493 494 case INVOKE_ID_UNSELECT_TRACK: 495 { 496 int trackIndex = request.readInt32(); 497 return mPlayer->selectTrack(trackIndex, false /* select */); 498 } 499 500 case INVOKE_ID_GET_SELECTED_TRACK: 501 { 502 int32_t type = request.readInt32(); 503 return mPlayer->getSelectedTrack(type, reply); 504 } 505 506 default: 507 { 508 return INVALID_OPERATION; 509 } 510 } 511} 512 513void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) { 514 mPlayer->setAudioSink(audioSink); 515 mAudioSink = audioSink; 516} 517 518status_t NuPlayerDriver::setParameter( 519 int /* key */, const Parcel & /* request */) { 520 return INVALID_OPERATION; 521} 522 523status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) { 524 return INVALID_OPERATION; 525} 526 527status_t NuPlayerDriver::getMetadata( 528 const media::Metadata::Filter& /* ids */, Parcel *records) { 529 Mutex::Autolock autoLock(mLock); 530 531 using media::Metadata; 532 533 Metadata meta(records); 534 535 meta.appendBool( 536 Metadata::kPauseAvailable, 537 mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE); 538 539 meta.appendBool( 540 Metadata::kSeekBackwardAvailable, 541 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD); 542 543 meta.appendBool( 544 Metadata::kSeekForwardAvailable, 545 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD); 546 547 meta.appendBool( 548 Metadata::kSeekAvailable, 549 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK); 550 551 return OK; 552} 553 554void NuPlayerDriver::notifyResetComplete() { 555 ALOGD("notifyResetComplete(%p)", this); 556 Mutex::Autolock autoLock(mLock); 557 558 CHECK_EQ(mState, STATE_RESET_IN_PROGRESS); 559 mState = STATE_IDLE; 560 mCondition.broadcast(); 561} 562 563void NuPlayerDriver::notifySetSurfaceComplete() { 564 ALOGV("notifySetSurfaceComplete(%p)", this); 565 Mutex::Autolock autoLock(mLock); 566 567 CHECK(mSetSurfaceInProgress); 568 mSetSurfaceInProgress = false; 569 570 mCondition.broadcast(); 571} 572 573void NuPlayerDriver::notifyDuration(int64_t durationUs) { 574 Mutex::Autolock autoLock(mLock); 575 mDurationUs = durationUs; 576} 577 578void NuPlayerDriver::notifySeekComplete() { 579 ALOGV("notifySeekComplete(%p)", this); 580 Mutex::Autolock autoLock(mLock); 581 mSeekInProgress = false; 582 notifySeekComplete_l(); 583} 584 585void NuPlayerDriver::notifySeekComplete_l() { 586 bool wasSeeking = true; 587 if (mState == STATE_STOPPED_AND_PREPARING) { 588 wasSeeking = false; 589 mState = STATE_STOPPED_AND_PREPARED; 590 mCondition.broadcast(); 591 if (!mIsAsyncPrepare) { 592 // if we are preparing synchronously, no need to notify listener 593 return; 594 } 595 } else if (mState == STATE_STOPPED) { 596 // no need to notify listener 597 return; 598 } 599 notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED); 600} 601 602status_t NuPlayerDriver::dump( 603 int fd, const Vector<String16> & /* args */) const { 604 int64_t numFramesTotal; 605 int64_t numFramesDropped; 606 mPlayer->getStats(&numFramesTotal, &numFramesDropped); 607 608 FILE *out = fdopen(dup(fd), "w"); 609 610 fprintf(out, " NuPlayer\n"); 611 fprintf(out, " numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), " 612 "percentageDropped(%.2f)\n", 613 numFramesTotal, 614 numFramesDropped, 615 numFramesTotal == 0 616 ? 0.0 : (double)numFramesDropped / numFramesTotal); 617 618 fclose(out); 619 out = NULL; 620 621 return OK; 622} 623 624void NuPlayerDriver::notifyListener( 625 int msg, int ext1, int ext2, const Parcel *in) { 626 Mutex::Autolock autoLock(mLock); 627 notifyListener_l(msg, ext1, ext2, in); 628} 629 630void NuPlayerDriver::notifyListener_l( 631 int msg, int ext1, int ext2, const Parcel *in) { 632 switch (msg) { 633 case MEDIA_PLAYBACK_COMPLETE: 634 { 635 if (mState != STATE_RESET_IN_PROGRESS) { 636 if (mLooping || (mAutoLoop 637 && (mAudioSink == NULL || mAudioSink->realtime()))) { 638 mPlayer->seekToAsync(0); 639 break; 640 } 641 642 mPlayer->pause(); 643 mState = STATE_PAUSED; 644 } 645 // fall through 646 } 647 648 case MEDIA_ERROR: 649 { 650 mAtEOS = true; 651 break; 652 } 653 654 default: 655 break; 656 } 657 658 mLock.unlock(); 659 sendEvent(msg, ext1, ext2, in); 660 mLock.lock(); 661} 662 663void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) { 664 Mutex::Autolock autoLock(mLock); 665 666 CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING); 667 668 mAsyncResult = err; 669 mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE; 670 mCondition.broadcast(); 671} 672 673void NuPlayerDriver::notifyPrepareCompleted(status_t err) { 674 Mutex::Autolock autoLock(mLock); 675 676 if (mState != STATE_PREPARING) { 677 // We were preparing asynchronously when the client called 678 // reset(), we sent a premature "prepared" notification and 679 // then initiated the reset. This notification is stale. 680 CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE); 681 return; 682 } 683 684 CHECK_EQ(mState, STATE_PREPARING); 685 686 mAsyncResult = err; 687 688 if (err == OK) { 689 // update state before notifying client, so that if client calls back into NuPlayerDriver 690 // in response, NuPlayerDriver has the right state 691 mState = STATE_PREPARED; 692 if (mIsAsyncPrepare) { 693 notifyListener_l(MEDIA_PREPARED); 694 } 695 } else { 696 mState = STATE_UNPREPARED; 697 if (mIsAsyncPrepare) { 698 notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 699 } 700 } 701 702 sp<MetaData> meta = mPlayer->getFileMeta(); 703 int32_t loop; 704 if (meta != NULL 705 && meta->findInt32(kKeyAutoLoop, &loop) && loop != 0) { 706 mAutoLoop = true; 707 } 708 709 mCondition.broadcast(); 710} 711 712void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) { 713 Mutex::Autolock autoLock(mLock); 714 715 mPlayerFlags = flags; 716} 717 718} // namespace android 719