NuPlayerDriver.cpp revision 73ddd210ea572375198cac1d4960df793745fb4b
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/MetaData.h> 30 31namespace android { 32 33NuPlayerDriver::NuPlayerDriver() 34 : mState(STATE_IDLE), 35 mIsAsyncPrepare(false), 36 mAsyncResult(UNKNOWN_ERROR), 37 mSetSurfaceInProgress(false), 38 mDurationUs(-1), 39 mPositionUs(-1), 40 mNotifyTimeRealUs(-1), 41 mPauseStartedTimeUs(-1), 42 mNumFramesTotal(0), 43 mNumFramesDropped(0), 44 mLooper(new ALooper), 45 mPlayerFlags(0), 46 mAtEOS(false), 47 mLooping(false), 48 mStartupSeekTimeUs(-1) { 49 mLooper->setName("NuPlayerDriver Looper"); 50 51 mLooper->start( 52 false, /* runOnCallingThread */ 53 true, /* canCallJava */ 54 PRIORITY_AUDIO); 55 56 mPlayer = new NuPlayer; 57 mLooper->registerHandler(mPlayer); 58 59 mPlayer->setDriver(this); 60} 61 62NuPlayerDriver::~NuPlayerDriver() { 63 mLooper->stop(); 64} 65 66status_t NuPlayerDriver::initCheck() { 67 return OK; 68} 69 70status_t NuPlayerDriver::setUID(uid_t uid) { 71 mPlayer->setUID(uid); 72 73 return OK; 74} 75 76status_t NuPlayerDriver::setDataSource( 77 const sp<IMediaHTTPService> &httpService, 78 const char *url, 79 const KeyedVector<String8, String8> *headers) { 80 Mutex::Autolock autoLock(mLock); 81 82 ALOGV("setDataSource: url=%s", url); 83 if (mState != STATE_IDLE) { 84 return INVALID_OPERATION; 85 } 86 87 mState = STATE_SET_DATASOURCE_PENDING; 88 89 mPlayer->setDataSourceAsync(httpService, url, headers); 90 91 while (mState == STATE_SET_DATASOURCE_PENDING) { 92 mCondition.wait(mLock); 93 } 94 95 return mAsyncResult; 96} 97 98status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) { 99 Mutex::Autolock autoLock(mLock); 100 101 ALOGV("setDataSource: fd=%d", fd); 102 if (mState != STATE_IDLE) { 103 return INVALID_OPERATION; 104 } 105 106 mState = STATE_SET_DATASOURCE_PENDING; 107 108 mPlayer->setDataSourceAsync(fd, offset, length); 109 110 while (mState == STATE_SET_DATASOURCE_PENDING) { 111 mCondition.wait(mLock); 112 } 113 114 return mAsyncResult; 115} 116 117status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) { 118 Mutex::Autolock autoLock(mLock); 119 120 ALOGV("setDataSource: stream source"); 121 if (mState != STATE_IDLE) { 122 return INVALID_OPERATION; 123 } 124 125 mState = STATE_SET_DATASOURCE_PENDING; 126 127 mPlayer->setDataSourceAsync(source); 128 129 while (mState == STATE_SET_DATASOURCE_PENDING) { 130 mCondition.wait(mLock); 131 } 132 133 return mAsyncResult; 134} 135 136status_t NuPlayerDriver::setVideoSurfaceTexture( 137 const sp<IGraphicBufferProducer> &bufferProducer) { 138 Mutex::Autolock autoLock(mLock); 139 140 if (mSetSurfaceInProgress) { 141 return INVALID_OPERATION; 142 } 143 144 switch (mState) { 145 case STATE_SET_DATASOURCE_PENDING: 146 case STATE_RESET_IN_PROGRESS: 147 return INVALID_OPERATION; 148 149 default: 150 break; 151 } 152 153 mSetSurfaceInProgress = true; 154 155 mPlayer->setVideoSurfaceTextureAsync(bufferProducer); 156 157 while (mSetSurfaceInProgress) { 158 mCondition.wait(mLock); 159 } 160 161 return OK; 162} 163 164status_t NuPlayerDriver::prepare() { 165 Mutex::Autolock autoLock(mLock); 166 return prepare_l(); 167} 168 169status_t NuPlayerDriver::prepare_l() { 170 switch (mState) { 171 case STATE_UNPREPARED: 172 mState = STATE_PREPARING; 173 174 // Make sure we're not posting any notifications, success or 175 // failure information is only communicated through our result 176 // code. 177 mIsAsyncPrepare = false; 178 mPlayer->prepareAsync(); 179 while (mState == STATE_PREPARING) { 180 mCondition.wait(mLock); 181 } 182 return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR; 183 case STATE_STOPPED: 184 // this is really just paused. handle as seek to start 185 mAtEOS = false; 186 mState = STATE_STOPPED_AND_PREPARING; 187 mIsAsyncPrepare = false; 188 mPlayer->seekToAsync(0); 189 while (mState == STATE_STOPPED_AND_PREPARING) { 190 mCondition.wait(mLock); 191 } 192 return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR; 193 default: 194 return INVALID_OPERATION; 195 }; 196} 197 198status_t NuPlayerDriver::prepareAsync() { 199 Mutex::Autolock autoLock(mLock); 200 201 switch (mState) { 202 case STATE_UNPREPARED: 203 mState = STATE_PREPARING; 204 mIsAsyncPrepare = true; 205 mPlayer->prepareAsync(); 206 return OK; 207 case STATE_STOPPED: 208 // this is really just paused. handle as seek to start 209 mAtEOS = false; 210 mState = STATE_STOPPED_AND_PREPARING; 211 mIsAsyncPrepare = true; 212 mPlayer->seekToAsync(0); 213 return OK; 214 default: 215 return INVALID_OPERATION; 216 }; 217} 218 219status_t NuPlayerDriver::start() { 220 Mutex::Autolock autoLock(mLock); 221 222 switch (mState) { 223 case STATE_UNPREPARED: 224 { 225 status_t err = prepare_l(); 226 227 if (err != OK) { 228 return err; 229 } 230 231 CHECK_EQ(mState, STATE_PREPARED); 232 233 // fall through 234 } 235 236 case STATE_PREPARED: 237 { 238 mAtEOS = false; 239 mPlayer->start(); 240 241 if (mStartupSeekTimeUs >= 0) { 242 if (mStartupSeekTimeUs == 0) { 243 notifySeekComplete_l(); 244 } else { 245 mPlayer->seekToAsync(mStartupSeekTimeUs); 246 } 247 248 mStartupSeekTimeUs = -1; 249 } 250 break; 251 } 252 253 case STATE_RUNNING: 254 { 255 if (mAtEOS) { 256 mPlayer->seekToAsync(0); 257 mAtEOS = false; 258 mPositionUs = -1; 259 } 260 break; 261 } 262 263 case STATE_PAUSED: 264 case STATE_STOPPED_AND_PREPARED: 265 { 266 mPlayer->resume(); 267 mPositionUs -= ALooper::GetNowUs() - mPauseStartedTimeUs; 268 break; 269 } 270 271 default: 272 return INVALID_OPERATION; 273 } 274 275 mState = STATE_RUNNING; 276 mPauseStartedTimeUs = -1; 277 278 return OK; 279} 280 281status_t NuPlayerDriver::stop() { 282 Mutex::Autolock autoLock(mLock); 283 284 switch (mState) { 285 case STATE_RUNNING: 286 mPlayer->pause(); 287 // fall through 288 289 case STATE_PAUSED: 290 mState = STATE_STOPPED; 291 notifyListener_l(MEDIA_STOPPED); 292 break; 293 294 case STATE_PREPARED: 295 case STATE_STOPPED: 296 case STATE_STOPPED_AND_PREPARING: 297 case STATE_STOPPED_AND_PREPARED: 298 mState = STATE_STOPPED; 299 break; 300 301 default: 302 return INVALID_OPERATION; 303 } 304 setPauseStartedTimeIfNeeded(); 305 306 return OK; 307} 308 309status_t NuPlayerDriver::pause() { 310 Mutex::Autolock autoLock(mLock); 311 312 switch (mState) { 313 case STATE_PAUSED: 314 case STATE_PREPARED: 315 return OK; 316 317 case STATE_RUNNING: 318 setPauseStartedTimeIfNeeded(); 319 mState = STATE_PAUSED; 320 notifyListener_l(MEDIA_PAUSED); 321 mPlayer->pause(); 322 break; 323 324 default: 325 return INVALID_OPERATION; 326 } 327 328 return OK; 329} 330 331bool NuPlayerDriver::isPlaying() { 332 return mState == STATE_RUNNING && !mAtEOS; 333} 334 335status_t NuPlayerDriver::seekTo(int msec) { 336 Mutex::Autolock autoLock(mLock); 337 338 int64_t seekTimeUs = msec * 1000ll; 339 340 switch (mState) { 341 case STATE_PREPARED: 342 { 343 mStartupSeekTimeUs = seekTimeUs; 344 // pretend that the seek completed. It will actually happen when starting playback. 345 // TODO: actually perform the seek here, so the player is ready to go at the new 346 // location 347 notifySeekComplete_l(); 348 break; 349 } 350 351 case STATE_RUNNING: 352 case STATE_PAUSED: 353 { 354 mAtEOS = false; 355 // seeks can take a while, so we essentially paused 356 notifyListener_l(MEDIA_PAUSED); 357 mPlayer->seekToAsync(seekTimeUs); 358 break; 359 } 360 361 default: 362 return INVALID_OPERATION; 363 } 364 365 mPositionUs = seekTimeUs; 366 mNotifyTimeRealUs = -1; 367 return OK; 368} 369 370status_t NuPlayerDriver::getCurrentPosition(int *msec) { 371 Mutex::Autolock autoLock(mLock); 372 373 if (mPositionUs < 0) { 374 *msec = 0; 375 } else if (mNotifyTimeRealUs == -1) { 376 *msec = mPositionUs / 1000; 377 } else { 378 int64_t nowUs = 379 (isPlaying() ? ALooper::GetNowUs() : mPauseStartedTimeUs); 380 *msec = (mPositionUs + nowUs - mNotifyTimeRealUs + 500ll) / 1000; 381 } 382 383 return OK; 384} 385 386status_t NuPlayerDriver::getDuration(int *msec) { 387 Mutex::Autolock autoLock(mLock); 388 389 if (mDurationUs < 0) { 390 return UNKNOWN_ERROR; 391 } 392 393 *msec = (mDurationUs + 500ll) / 1000; 394 395 return OK; 396} 397 398status_t NuPlayerDriver::reset() { 399 Mutex::Autolock autoLock(mLock); 400 401 switch (mState) { 402 case STATE_IDLE: 403 return OK; 404 405 case STATE_SET_DATASOURCE_PENDING: 406 case STATE_RESET_IN_PROGRESS: 407 return INVALID_OPERATION; 408 409 case STATE_PREPARING: 410 { 411 CHECK(mIsAsyncPrepare); 412 413 notifyListener_l(MEDIA_PREPARED); 414 break; 415 } 416 417 default: 418 break; 419 } 420 421 if (mState != STATE_STOPPED) { 422 notifyListener_l(MEDIA_STOPPED); 423 } 424 425 mState = STATE_RESET_IN_PROGRESS; 426 mPlayer->resetAsync(); 427 428 while (mState == STATE_RESET_IN_PROGRESS) { 429 mCondition.wait(mLock); 430 } 431 432 mDurationUs = -1; 433 mPositionUs = -1; 434 mStartupSeekTimeUs = -1; 435 mLooping = false; 436 437 return OK; 438} 439 440status_t NuPlayerDriver::setLooping(int loop) { 441 mLooping = loop != 0; 442 return OK; 443} 444 445player_type NuPlayerDriver::playerType() { 446 return NU_PLAYER; 447} 448 449status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) { 450 if (reply == NULL) { 451 ALOGE("reply is a NULL pointer"); 452 return BAD_VALUE; 453 } 454 455 int32_t methodId; 456 status_t ret = request.readInt32(&methodId); 457 if (ret != OK) { 458 ALOGE("Failed to retrieve the requested method to invoke"); 459 return ret; 460 } 461 462 switch (methodId) { 463 case INVOKE_ID_SET_VIDEO_SCALING_MODE: 464 { 465 int mode = request.readInt32(); 466 return mPlayer->setVideoScalingMode(mode); 467 } 468 469 case INVOKE_ID_GET_TRACK_INFO: 470 { 471 return mPlayer->getTrackInfo(reply); 472 } 473 474 case INVOKE_ID_SELECT_TRACK: 475 { 476 int trackIndex = request.readInt32(); 477 return mPlayer->selectTrack(trackIndex, true /* select */); 478 } 479 480 case INVOKE_ID_UNSELECT_TRACK: 481 { 482 int trackIndex = request.readInt32(); 483 return mPlayer->selectTrack(trackIndex, false /* select */); 484 } 485 486 case INVOKE_ID_GET_SELECTED_TRACK: 487 { 488 int32_t type = request.readInt32(); 489 return mPlayer->getSelectedTrack(type, reply); 490 } 491 492 default: 493 { 494 return INVALID_OPERATION; 495 } 496 } 497} 498 499void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) { 500 mPlayer->setAudioSink(audioSink); 501} 502 503status_t NuPlayerDriver::setParameter( 504 int /* key */, const Parcel & /* request */) { 505 return INVALID_OPERATION; 506} 507 508status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) { 509 return INVALID_OPERATION; 510} 511 512status_t NuPlayerDriver::getMetadata( 513 const media::Metadata::Filter& /* ids */, Parcel *records) { 514 Mutex::Autolock autoLock(mLock); 515 516 using media::Metadata; 517 518 Metadata meta(records); 519 520 meta.appendBool( 521 Metadata::kPauseAvailable, 522 mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE); 523 524 meta.appendBool( 525 Metadata::kSeekBackwardAvailable, 526 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD); 527 528 meta.appendBool( 529 Metadata::kSeekForwardAvailable, 530 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD); 531 532 meta.appendBool( 533 Metadata::kSeekAvailable, 534 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK); 535 536 return OK; 537} 538 539void NuPlayerDriver::notifyResetComplete() { 540 Mutex::Autolock autoLock(mLock); 541 542 CHECK_EQ(mState, STATE_RESET_IN_PROGRESS); 543 mState = STATE_IDLE; 544 mCondition.broadcast(); 545} 546 547void NuPlayerDriver::notifySetSurfaceComplete() { 548 Mutex::Autolock autoLock(mLock); 549 550 CHECK(mSetSurfaceInProgress); 551 mSetSurfaceInProgress = false; 552 553 mCondition.broadcast(); 554} 555 556void NuPlayerDriver::notifyDuration(int64_t durationUs) { 557 Mutex::Autolock autoLock(mLock); 558 mDurationUs = durationUs; 559} 560 561void NuPlayerDriver::notifyPosition(int64_t positionUs) { 562 Mutex::Autolock autoLock(mLock); 563 if (isPlaying()) { 564 mPositionUs = positionUs; 565 mNotifyTimeRealUs = ALooper::GetNowUs(); 566 } 567} 568 569void NuPlayerDriver::notifySeekComplete() { 570 Mutex::Autolock autoLock(mLock); 571 notifySeekComplete_l(); 572} 573 574void NuPlayerDriver::notifySeekComplete_l() { 575 bool wasSeeking = true; 576 if (mState == STATE_STOPPED_AND_PREPARING) { 577 wasSeeking = false; 578 mState = STATE_STOPPED_AND_PREPARED; 579 mCondition.broadcast(); 580 if (!mIsAsyncPrepare) { 581 // if we are preparing synchronously, no need to notify listener 582 return; 583 } 584 } else if (mState == STATE_STOPPED) { 585 // no need to notify listener 586 return; 587 } 588 notifyListener_l(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED); 589} 590 591void NuPlayerDriver::notifyFrameStats( 592 int64_t numFramesTotal, int64_t numFramesDropped) { 593 Mutex::Autolock autoLock(mLock); 594 mNumFramesTotal = numFramesTotal; 595 mNumFramesDropped = numFramesDropped; 596} 597 598status_t NuPlayerDriver::dump( 599 int fd, const Vector<String16> & /* args */) const { 600 Mutex::Autolock autoLock(mLock); 601 602 FILE *out = fdopen(dup(fd), "w"); 603 604 fprintf(out, " NuPlayer\n"); 605 fprintf(out, " numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), " 606 "percentageDropped(%.2f)\n", 607 mNumFramesTotal, 608 mNumFramesDropped, 609 mNumFramesTotal == 0 610 ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal); 611 612 fclose(out); 613 out = NULL; 614 615 return OK; 616} 617 618void NuPlayerDriver::notifyListener( 619 int msg, int ext1, int ext2, const Parcel *in) { 620 Mutex::Autolock autoLock(mLock); 621 notifyListener_l(msg, ext1, ext2, in); 622} 623 624void NuPlayerDriver::notifyListener_l( 625 int msg, int ext1, int ext2, const Parcel *in) { 626 switch (msg) { 627 case MEDIA_PLAYBACK_COMPLETE: 628 { 629 if (mLooping) { 630 mLock.unlock(); 631 mPlayer->seekToAsync(0); 632 mLock.lock(); 633 break; 634 } 635 // fall through 636 } 637 638 case MEDIA_ERROR: 639 { 640 mAtEOS = true; 641 setPauseStartedTimeIfNeeded(); 642 break; 643 } 644 645 default: 646 break; 647 } 648 649 mLock.unlock(); 650 sendEvent(msg, ext1, ext2, in); 651 mLock.lock(); 652} 653 654void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) { 655 Mutex::Autolock autoLock(mLock); 656 657 CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING); 658 659 mAsyncResult = err; 660 mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE; 661 mCondition.broadcast(); 662} 663 664void NuPlayerDriver::notifyPrepareCompleted(status_t err) { 665 Mutex::Autolock autoLock(mLock); 666 667 if (mState != STATE_PREPARING) { 668 // We were preparing asynchronously when the client called 669 // reset(), we sent a premature "prepared" notification and 670 // then initiated the reset. This notification is stale. 671 CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE); 672 return; 673 } 674 675 CHECK_EQ(mState, STATE_PREPARING); 676 677 mAsyncResult = err; 678 679 if (err == OK) { 680 // update state before notifying client, so that if client calls back into NuPlayerDriver 681 // in response, NuPlayerDriver has the right state 682 mState = STATE_PREPARED; 683 if (mIsAsyncPrepare) { 684 notifyListener_l(MEDIA_PREPARED); 685 } 686 } else { 687 mState = STATE_UNPREPARED; 688 if (mIsAsyncPrepare) { 689 notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 690 } 691 } 692 693 mCondition.broadcast(); 694} 695 696void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) { 697 Mutex::Autolock autoLock(mLock); 698 699 mPlayerFlags = flags; 700} 701 702void NuPlayerDriver::setPauseStartedTimeIfNeeded() { 703 if (mPauseStartedTimeUs == -1) { 704 mPauseStartedTimeUs = ALooper::GetNowUs(); 705 } 706} 707 708} // namespace android 709