NuPlayerDriver.cpp revision eb645a0d1820b227af287a5309f017afadbab4e3
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 mDurationUs(-1), 38 mPositionUs(-1), 39 mNumFramesTotal(0), 40 mNumFramesDropped(0), 41 mLooper(new ALooper), 42 mPlayerFlags(0), 43 mAtEOS(false), 44 mLooping(false), 45 mStartupSeekTimeUs(-1) { 46 mLooper->setName("NuPlayerDriver Looper"); 47 48 mLooper->start( 49 false, /* runOnCallingThread */ 50 true, /* canCallJava */ 51 PRIORITY_AUDIO); 52 53 mPlayer = new NuPlayer; 54 mLooper->registerHandler(mPlayer); 55 56 mPlayer->setDriver(this); 57} 58 59NuPlayerDriver::~NuPlayerDriver() { 60 mLooper->stop(); 61} 62 63status_t NuPlayerDriver::initCheck() { 64 return OK; 65} 66 67status_t NuPlayerDriver::setUID(uid_t uid) { 68 mPlayer->setUID(uid); 69 70 return OK; 71} 72 73status_t NuPlayerDriver::setDataSource( 74 const sp<IMediaHTTPService> &httpService, 75 const char *url, 76 const KeyedVector<String8, String8> *headers) { 77 Mutex::Autolock autoLock(mLock); 78 79 ALOGV("setDataSource: url=%s", url); 80 if (mState != STATE_IDLE) { 81 return INVALID_OPERATION; 82 } 83 84 mState = STATE_SET_DATASOURCE_PENDING; 85 86 mPlayer->setDataSourceAsync(httpService, url, headers); 87 88 while (mState == STATE_SET_DATASOURCE_PENDING) { 89 mCondition.wait(mLock); 90 } 91 92 return mAsyncResult; 93} 94 95status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) { 96 Mutex::Autolock autoLock(mLock); 97 98 ALOGV("setDataSource: fd=%d", fd); 99 if (mState != STATE_IDLE) { 100 return INVALID_OPERATION; 101 } 102 103 mState = STATE_SET_DATASOURCE_PENDING; 104 105 mPlayer->setDataSourceAsync(fd, offset, length); 106 107 while (mState == STATE_SET_DATASOURCE_PENDING) { 108 mCondition.wait(mLock); 109 } 110 111 return mAsyncResult; 112} 113 114status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) { 115 Mutex::Autolock autoLock(mLock); 116 117 ALOGV("setDataSource: stream source"); 118 if (mState != STATE_IDLE) { 119 return INVALID_OPERATION; 120 } 121 122 mState = STATE_SET_DATASOURCE_PENDING; 123 124 mPlayer->setDataSourceAsync(source); 125 126 while (mState == STATE_SET_DATASOURCE_PENDING) { 127 mCondition.wait(mLock); 128 } 129 130 return mAsyncResult; 131} 132 133status_t NuPlayerDriver::setVideoSurfaceTexture( 134 const sp<IGraphicBufferProducer> &bufferProducer) { 135 Mutex::Autolock autoLock(mLock); 136 137 switch (mState) { 138 case STATE_SET_DATASOURCE_PENDING: 139 case STATE_RESET_IN_PROGRESS: 140 return INVALID_OPERATION; 141 142 default: 143 break; 144 } 145 146 mPlayer->setVideoSurfaceTextureAsync(bufferProducer); 147 148 return OK; 149} 150 151status_t NuPlayerDriver::prepare() { 152 Mutex::Autolock autoLock(mLock); 153 return prepare_l(); 154} 155 156status_t NuPlayerDriver::prepare_l() { 157 switch (mState) { 158 case STATE_UNPREPARED: 159 mState = STATE_PREPARING; 160 161 // Make sure we're not posting any notifications, success or 162 // failure information is only communicated through our result 163 // code. 164 mIsAsyncPrepare = false; 165 mPlayer->prepareAsync(); 166 while (mState == STATE_PREPARING) { 167 mCondition.wait(mLock); 168 } 169 return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR; 170 case STATE_STOPPED: 171 // this is really just paused. handle as seek to start 172 mAtEOS = false; 173 mState = STATE_STOPPED_AND_PREPARING; 174 mIsAsyncPrepare = false; 175 mPlayer->seekToAsync(0); 176 while (mState == STATE_STOPPED_AND_PREPARING) { 177 mCondition.wait(mLock); 178 } 179 return (mState == STATE_STOPPED_AND_PREPARED) ? OK : UNKNOWN_ERROR; 180 default: 181 return INVALID_OPERATION; 182 }; 183} 184 185status_t NuPlayerDriver::prepareAsync() { 186 Mutex::Autolock autoLock(mLock); 187 188 switch (mState) { 189 case STATE_UNPREPARED: 190 mState = STATE_PREPARING; 191 mIsAsyncPrepare = true; 192 mPlayer->prepareAsync(); 193 return OK; 194 case STATE_STOPPED: 195 // this is really just paused. handle as seek to start 196 mAtEOS = false; 197 mState = STATE_STOPPED_AND_PREPARING; 198 mIsAsyncPrepare = true; 199 mPlayer->seekToAsync(0); 200 return OK; 201 default: 202 return INVALID_OPERATION; 203 }; 204} 205 206status_t NuPlayerDriver::start() { 207 Mutex::Autolock autoLock(mLock); 208 209 switch (mState) { 210 case STATE_UNPREPARED: 211 { 212 status_t err = prepare_l(); 213 214 if (err != OK) { 215 return err; 216 } 217 218 CHECK_EQ(mState, STATE_PREPARED); 219 220 // fall through 221 } 222 223 case STATE_PREPARED: 224 { 225 mAtEOS = false; 226 mPlayer->start(); 227 228 if (mStartupSeekTimeUs >= 0) { 229 if (mStartupSeekTimeUs == 0) { 230 notifySeekComplete_l(); 231 } else { 232 mPlayer->seekToAsync(mStartupSeekTimeUs); 233 } 234 235 mStartupSeekTimeUs = -1; 236 } 237 break; 238 } 239 240 case STATE_RUNNING: 241 break; 242 243 case STATE_PAUSED: 244 case STATE_STOPPED_AND_PREPARED: 245 { 246 mPlayer->resume(); 247 break; 248 } 249 250 default: 251 return INVALID_OPERATION; 252 } 253 254 mState = STATE_RUNNING; 255 256 return OK; 257} 258 259status_t NuPlayerDriver::stop() { 260 Mutex::Autolock autoLock(mLock); 261 262 switch (mState) { 263 case STATE_RUNNING: 264 mPlayer->pause(); 265 // fall through 266 267 case STATE_PAUSED: 268 notifyListener(MEDIA_STOPPED); 269 // fall through 270 271 case STATE_PREPARED: 272 case STATE_STOPPED: 273 case STATE_STOPPED_AND_PREPARING: 274 case STATE_STOPPED_AND_PREPARED: 275 mState = STATE_STOPPED; 276 break; 277 278 default: 279 return INVALID_OPERATION; 280 } 281 282 return OK; 283} 284 285status_t NuPlayerDriver::pause() { 286 Mutex::Autolock autoLock(mLock); 287 288 switch (mState) { 289 case STATE_PAUSED: 290 case STATE_PREPARED: 291 return OK; 292 293 case STATE_RUNNING: 294 notifyListener(MEDIA_PAUSED); 295 mPlayer->pause(); 296 break; 297 298 default: 299 return INVALID_OPERATION; 300 } 301 302 mState = STATE_PAUSED; 303 304 return OK; 305} 306 307bool NuPlayerDriver::isPlaying() { 308 return mState == STATE_RUNNING && !mAtEOS; 309} 310 311status_t NuPlayerDriver::seekTo(int msec) { 312 Mutex::Autolock autoLock(mLock); 313 314 int64_t seekTimeUs = msec * 1000ll; 315 316 switch (mState) { 317 case STATE_PREPARED: 318 { 319 mStartupSeekTimeUs = seekTimeUs; 320 // pretend that the seek completed. It will actually happen when starting playback. 321 // TODO: actually perform the seek here, so the player is ready to go at the new 322 // location 323 notifySeekComplete_l(); 324 break; 325 } 326 327 case STATE_RUNNING: 328 case STATE_PAUSED: 329 { 330 mAtEOS = false; 331 // seeks can take a while, so we essentially paused 332 notifyListener(MEDIA_PAUSED); 333 mPlayer->seekToAsync(seekTimeUs); 334 break; 335 } 336 337 default: 338 return INVALID_OPERATION; 339 } 340 341 return OK; 342} 343 344status_t NuPlayerDriver::getCurrentPosition(int *msec) { 345 Mutex::Autolock autoLock(mLock); 346 347 if (mPositionUs < 0) { 348 *msec = 0; 349 } else { 350 *msec = (mPositionUs + 500ll) / 1000; 351 } 352 353 return OK; 354} 355 356status_t NuPlayerDriver::getDuration(int *msec) { 357 Mutex::Autolock autoLock(mLock); 358 359 if (mDurationUs < 0) { 360 return UNKNOWN_ERROR; 361 } 362 363 *msec = (mDurationUs + 500ll) / 1000; 364 365 return OK; 366} 367 368status_t NuPlayerDriver::reset() { 369 Mutex::Autolock autoLock(mLock); 370 371 switch (mState) { 372 case STATE_IDLE: 373 return OK; 374 375 case STATE_SET_DATASOURCE_PENDING: 376 case STATE_RESET_IN_PROGRESS: 377 return INVALID_OPERATION; 378 379 case STATE_PREPARING: 380 { 381 CHECK(mIsAsyncPrepare); 382 383 notifyListener(MEDIA_PREPARED); 384 break; 385 } 386 387 default: 388 break; 389 } 390 391 if (mState != STATE_STOPPED) { 392 notifyListener(MEDIA_STOPPED); 393 } 394 395 mState = STATE_RESET_IN_PROGRESS; 396 mPlayer->resetAsync(); 397 398 while (mState == STATE_RESET_IN_PROGRESS) { 399 mCondition.wait(mLock); 400 } 401 402 mDurationUs = -1; 403 mPositionUs = -1; 404 mStartupSeekTimeUs = -1; 405 mLooping = false; 406 407 return OK; 408} 409 410status_t NuPlayerDriver::setLooping(int loop) { 411 mLooping = loop != 0; 412 return OK; 413} 414 415player_type NuPlayerDriver::playerType() { 416 return NU_PLAYER; 417} 418 419status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) { 420 if (reply == NULL) { 421 ALOGE("reply is a NULL pointer"); 422 return BAD_VALUE; 423 } 424 425 int32_t methodId; 426 status_t ret = request.readInt32(&methodId); 427 if (ret != OK) { 428 ALOGE("Failed to retrieve the requested method to invoke"); 429 return ret; 430 } 431 432 switch (methodId) { 433 case INVOKE_ID_SET_VIDEO_SCALING_MODE: 434 { 435 int mode = request.readInt32(); 436 return mPlayer->setVideoScalingMode(mode); 437 } 438 439 case INVOKE_ID_GET_TRACK_INFO: 440 { 441 return mPlayer->getTrackInfo(reply); 442 } 443 444 case INVOKE_ID_SELECT_TRACK: 445 { 446 int trackIndex = request.readInt32(); 447 return mPlayer->selectTrack(trackIndex, true /* select */); 448 } 449 450 case INVOKE_ID_UNSELECT_TRACK: 451 { 452 int trackIndex = request.readInt32(); 453 return mPlayer->selectTrack(trackIndex, false /* select */); 454 } 455 456 case INVOKE_ID_GET_SELECTED_TRACK: 457 { 458 int32_t type = request.readInt32(); 459 return mPlayer->getSelectedTrack(type, reply); 460 } 461 462 default: 463 { 464 return INVALID_OPERATION; 465 } 466 } 467} 468 469void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) { 470 mPlayer->setAudioSink(audioSink); 471} 472 473status_t NuPlayerDriver::setParameter( 474 int /* key */, const Parcel & /* request */) { 475 return INVALID_OPERATION; 476} 477 478status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) { 479 return INVALID_OPERATION; 480} 481 482status_t NuPlayerDriver::getMetadata( 483 const media::Metadata::Filter& /* ids */, Parcel *records) { 484 Mutex::Autolock autoLock(mLock); 485 486 using media::Metadata; 487 488 Metadata meta(records); 489 490 meta.appendBool( 491 Metadata::kPauseAvailable, 492 mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE); 493 494 meta.appendBool( 495 Metadata::kSeekBackwardAvailable, 496 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD); 497 498 meta.appendBool( 499 Metadata::kSeekForwardAvailable, 500 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD); 501 502 meta.appendBool( 503 Metadata::kSeekAvailable, 504 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK); 505 506 return OK; 507} 508 509void NuPlayerDriver::notifyResetComplete() { 510 Mutex::Autolock autoLock(mLock); 511 512 CHECK_EQ(mState, STATE_RESET_IN_PROGRESS); 513 mState = STATE_IDLE; 514 mCondition.broadcast(); 515} 516 517void NuPlayerDriver::notifyDuration(int64_t durationUs) { 518 Mutex::Autolock autoLock(mLock); 519 mDurationUs = durationUs; 520} 521 522void NuPlayerDriver::notifyPosition(int64_t positionUs) { 523 Mutex::Autolock autoLock(mLock); 524 mPositionUs = positionUs; 525} 526 527void NuPlayerDriver::notifySeekComplete() { 528 Mutex::Autolock autoLock(mLock); 529 notifySeekComplete_l(); 530} 531 532void NuPlayerDriver::notifySeekComplete_l() { 533 bool wasSeeking = true; 534 if (mState == STATE_STOPPED_AND_PREPARING) { 535 wasSeeking = false; 536 mState = STATE_STOPPED_AND_PREPARED; 537 mCondition.broadcast(); 538 if (!mIsAsyncPrepare) { 539 // if we are preparing synchronously, no need to notify listener 540 return; 541 } 542 } else if (mState == STATE_STOPPED) { 543 // no need to notify listener 544 return; 545 } 546 // note: notifyListener called with lock held 547 mLock.unlock(); 548 notifyListener(wasSeeking ? MEDIA_SEEK_COMPLETE : MEDIA_PREPARED); 549 mLock.lock(); 550} 551 552void NuPlayerDriver::notifyFrameStats( 553 int64_t numFramesTotal, int64_t numFramesDropped) { 554 Mutex::Autolock autoLock(mLock); 555 mNumFramesTotal = numFramesTotal; 556 mNumFramesDropped = numFramesDropped; 557} 558 559status_t NuPlayerDriver::dump( 560 int fd, const Vector<String16> & /* args */) const { 561 Mutex::Autolock autoLock(mLock); 562 563 FILE *out = fdopen(dup(fd), "w"); 564 565 fprintf(out, " NuPlayer\n"); 566 fprintf(out, " numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), " 567 "percentageDropped(%.2f)\n", 568 mNumFramesTotal, 569 mNumFramesDropped, 570 mNumFramesTotal == 0 571 ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal); 572 573 fclose(out); 574 out = NULL; 575 576 return OK; 577} 578 579void NuPlayerDriver::notifyListener( 580 int msg, int ext1, int ext2, const Parcel *in) { 581 switch (msg) { 582 case MEDIA_PLAYBACK_COMPLETE: 583 { 584 if (mLooping) { 585 mPlayer->seekToAsync(0); 586 break; 587 } 588 // fall through 589 } 590 591 case MEDIA_ERROR: 592 { 593 mAtEOS = true; 594 break; 595 } 596 597 default: 598 break; 599 } 600 601 sendEvent(msg, ext1, ext2, in); 602} 603 604void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) { 605 Mutex::Autolock autoLock(mLock); 606 607 CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING); 608 609 mAsyncResult = err; 610 mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE; 611 mCondition.broadcast(); 612} 613 614void NuPlayerDriver::notifyPrepareCompleted(status_t err) { 615 Mutex::Autolock autoLock(mLock); 616 617 if (mState != STATE_PREPARING) { 618 // We were preparing asynchronously when the client called 619 // reset(), we sent a premature "prepared" notification and 620 // then initiated the reset. This notification is stale. 621 CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE); 622 return; 623 } 624 625 CHECK_EQ(mState, STATE_PREPARING); 626 627 mAsyncResult = err; 628 629 if (err == OK) { 630 if (mIsAsyncPrepare) { 631 notifyListener(MEDIA_PREPARED); 632 } 633 mState = STATE_PREPARED; 634 } else { 635 if (mIsAsyncPrepare) { 636 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 637 } 638 mState = STATE_UNPREPARED; 639 } 640 641 mCondition.broadcast(); 642} 643 644void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) { 645 Mutex::Autolock autoLock(mLock); 646 647 mPlayerFlags = flags; 648} 649 650} // namespace android 651