NuPlayerDriver.cpp revision 7c4f0d757bfeedaab4b7ef4ccf5b0a72ec8f4306
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 mNumFramesTotal(0), 41 mNumFramesDropped(0), 42 mLooper(new ALooper), 43 mPlayerFlags(0), 44 mAtEOS(false), 45 mLooping(false), 46 mStartupSeekTimeUs(-1) { 47 mLooper->setName("NuPlayerDriver Looper"); 48 49 mLooper->start( 50 false, /* runOnCallingThread */ 51 true, /* canCallJava */ 52 PRIORITY_AUDIO); 53 54 mPlayer = new NuPlayer; 55 mLooper->registerHandler(mPlayer); 56 57 mPlayer->setDriver(this); 58} 59 60NuPlayerDriver::~NuPlayerDriver() { 61 mLooper->stop(); 62} 63 64status_t NuPlayerDriver::initCheck() { 65 return OK; 66} 67 68status_t NuPlayerDriver::setUID(uid_t uid) { 69 mPlayer->setUID(uid); 70 71 return OK; 72} 73 74status_t NuPlayerDriver::setDataSource( 75 const sp<IMediaHTTPService> &httpService, 76 const char *url, 77 const KeyedVector<String8, String8> *headers) { 78 Mutex::Autolock autoLock(mLock); 79 80 ALOGV("setDataSource: url=%s", url); 81 if (mState != STATE_IDLE) { 82 return INVALID_OPERATION; 83 } 84 85 mState = STATE_SET_DATASOURCE_PENDING; 86 87 mPlayer->setDataSourceAsync(httpService, url, headers); 88 89 while (mState == STATE_SET_DATASOURCE_PENDING) { 90 mCondition.wait(mLock); 91 } 92 93 return mAsyncResult; 94} 95 96status_t NuPlayerDriver::setDataSource(int fd, int64_t offset, int64_t length) { 97 Mutex::Autolock autoLock(mLock); 98 99 ALOGV("setDataSource: fd=%d", fd); 100 if (mState != STATE_IDLE) { 101 return INVALID_OPERATION; 102 } 103 104 mState = STATE_SET_DATASOURCE_PENDING; 105 106 mPlayer->setDataSourceAsync(fd, offset, length); 107 108 while (mState == STATE_SET_DATASOURCE_PENDING) { 109 mCondition.wait(mLock); 110 } 111 112 return mAsyncResult; 113} 114 115status_t NuPlayerDriver::setDataSource(const sp<IStreamSource> &source) { 116 Mutex::Autolock autoLock(mLock); 117 118 ALOGV("setDataSource: stream source"); 119 if (mState != STATE_IDLE) { 120 return INVALID_OPERATION; 121 } 122 123 mState = STATE_SET_DATASOURCE_PENDING; 124 125 mPlayer->setDataSourceAsync(source); 126 127 while (mState == STATE_SET_DATASOURCE_PENDING) { 128 mCondition.wait(mLock); 129 } 130 131 return mAsyncResult; 132} 133 134status_t NuPlayerDriver::setVideoSurfaceTexture( 135 const sp<IGraphicBufferProducer> &bufferProducer) { 136 Mutex::Autolock autoLock(mLock); 137 138 if (mSetSurfaceInProgress) { 139 return INVALID_OPERATION; 140 } 141 142 switch (mState) { 143 case STATE_SET_DATASOURCE_PENDING: 144 case STATE_RESET_IN_PROGRESS: 145 return INVALID_OPERATION; 146 147 default: 148 break; 149 } 150 151 mSetSurfaceInProgress = true; 152 153 mPlayer->setVideoSurfaceTextureAsync(bufferProducer); 154 155 while (mSetSurfaceInProgress) { 156 mCondition.wait(mLock); 157 } 158 159 return OK; 160} 161 162status_t NuPlayerDriver::prepare() { 163 Mutex::Autolock autoLock(mLock); 164 return prepare_l(); 165} 166 167status_t NuPlayerDriver::prepare_l() { 168 switch (mState) { 169 case STATE_UNPREPARED: 170 mState = STATE_PREPARING; 171 172 // Make sure we're not posting any notifications, success or 173 // failure information is only communicated through our result 174 // code. 175 mIsAsyncPrepare = false; 176 mPlayer->prepareAsync(); 177 while (mState == STATE_PREPARING) { 178 mCondition.wait(mLock); 179 } 180 return (mState == STATE_PREPARED) ? OK : UNKNOWN_ERROR; 181 default: 182 return INVALID_OPERATION; 183 }; 184} 185 186status_t NuPlayerDriver::prepareAsync() { 187 Mutex::Autolock autoLock(mLock); 188 189 switch (mState) { 190 case STATE_UNPREPARED: 191 mState = STATE_PREPARING; 192 mIsAsyncPrepare = true; 193 mPlayer->prepareAsync(); 194 return OK; 195 default: 196 return INVALID_OPERATION; 197 }; 198} 199 200status_t NuPlayerDriver::start() { 201 Mutex::Autolock autoLock(mLock); 202 203 switch (mState) { 204 case STATE_UNPREPARED: 205 { 206 status_t err = prepare_l(); 207 208 if (err != OK) { 209 return err; 210 } 211 212 CHECK_EQ(mState, STATE_PREPARED); 213 214 // fall through 215 } 216 217 case STATE_PREPARED: 218 { 219 mAtEOS = false; 220 mPlayer->start(); 221 222 if (mStartupSeekTimeUs >= 0) { 223 if (mStartupSeekTimeUs == 0) { 224 notifySeekComplete(); 225 } else { 226 mPlayer->seekToAsync(mStartupSeekTimeUs); 227 } 228 229 mStartupSeekTimeUs = -1; 230 } 231 break; 232 } 233 234 case STATE_RUNNING: 235 break; 236 237 case STATE_PAUSED: 238 { 239 mPlayer->resume(); 240 break; 241 } 242 243 default: 244 return INVALID_OPERATION; 245 } 246 247 mState = STATE_RUNNING; 248 249 return OK; 250} 251 252status_t NuPlayerDriver::stop() { 253 return pause(); 254} 255 256status_t NuPlayerDriver::pause() { 257 Mutex::Autolock autoLock(mLock); 258 259 switch (mState) { 260 case STATE_PAUSED: 261 case STATE_PREPARED: 262 return OK; 263 264 case STATE_RUNNING: 265 notifyListener(MEDIA_PAUSED); 266 mPlayer->pause(); 267 break; 268 269 default: 270 return INVALID_OPERATION; 271 } 272 273 mState = STATE_PAUSED; 274 275 return OK; 276} 277 278bool NuPlayerDriver::isPlaying() { 279 return mState == STATE_RUNNING && !mAtEOS; 280} 281 282status_t NuPlayerDriver::seekTo(int msec) { 283 Mutex::Autolock autoLock(mLock); 284 285 int64_t seekTimeUs = msec * 1000ll; 286 287 switch (mState) { 288 case STATE_PREPARED: 289 { 290 mStartupSeekTimeUs = seekTimeUs; 291 // pretend that the seek completed. It will actually happen when starting playback. 292 // TODO: actually perform the seek here, so the player is ready to go at the new 293 // location 294 notifySeekComplete(); 295 break; 296 } 297 298 case STATE_RUNNING: 299 case STATE_PAUSED: 300 { 301 mAtEOS = false; 302 // seeks can take a while, so we essentially paused 303 notifyListener(MEDIA_PAUSED); 304 mPlayer->seekToAsync(seekTimeUs); 305 break; 306 } 307 308 default: 309 return INVALID_OPERATION; 310 } 311 312 return OK; 313} 314 315status_t NuPlayerDriver::getCurrentPosition(int *msec) { 316 Mutex::Autolock autoLock(mLock); 317 318 if (mPositionUs < 0) { 319 *msec = 0; 320 } else { 321 *msec = (mPositionUs + 500ll) / 1000; 322 } 323 324 return OK; 325} 326 327status_t NuPlayerDriver::getDuration(int *msec) { 328 Mutex::Autolock autoLock(mLock); 329 330 if (mDurationUs < 0) { 331 return UNKNOWN_ERROR; 332 } 333 334 *msec = (mDurationUs + 500ll) / 1000; 335 336 return OK; 337} 338 339status_t NuPlayerDriver::reset() { 340 Mutex::Autolock autoLock(mLock); 341 342 switch (mState) { 343 case STATE_IDLE: 344 return OK; 345 346 case STATE_SET_DATASOURCE_PENDING: 347 case STATE_RESET_IN_PROGRESS: 348 return INVALID_OPERATION; 349 350 case STATE_PREPARING: 351 { 352 CHECK(mIsAsyncPrepare); 353 354 notifyListener(MEDIA_PREPARED); 355 break; 356 } 357 358 default: 359 break; 360 } 361 362 notifyListener(MEDIA_STOPPED); 363 364 mState = STATE_RESET_IN_PROGRESS; 365 mPlayer->resetAsync(); 366 367 while (mState == STATE_RESET_IN_PROGRESS) { 368 mCondition.wait(mLock); 369 } 370 371 mDurationUs = -1; 372 mPositionUs = -1; 373 mStartupSeekTimeUs = -1; 374 mLooping = false; 375 376 return OK; 377} 378 379status_t NuPlayerDriver::setLooping(int loop) { 380 mLooping = loop != 0; 381 return OK; 382} 383 384player_type NuPlayerDriver::playerType() { 385 return NU_PLAYER; 386} 387 388status_t NuPlayerDriver::invoke(const Parcel &request, Parcel *reply) { 389 if (reply == NULL) { 390 ALOGE("reply is a NULL pointer"); 391 return BAD_VALUE; 392 } 393 394 int32_t methodId; 395 status_t ret = request.readInt32(&methodId); 396 if (ret != OK) { 397 ALOGE("Failed to retrieve the requested method to invoke"); 398 return ret; 399 } 400 401 switch (methodId) { 402 case INVOKE_ID_SET_VIDEO_SCALING_MODE: 403 { 404 int mode = request.readInt32(); 405 return mPlayer->setVideoScalingMode(mode); 406 } 407 408 case INVOKE_ID_GET_TRACK_INFO: 409 { 410 return mPlayer->getTrackInfo(reply); 411 } 412 413 case INVOKE_ID_SELECT_TRACK: 414 { 415 int trackIndex = request.readInt32(); 416 return mPlayer->selectTrack(trackIndex, true /* select */); 417 } 418 419 case INVOKE_ID_UNSELECT_TRACK: 420 { 421 int trackIndex = request.readInt32(); 422 return mPlayer->selectTrack(trackIndex, false /* select */); 423 } 424 425 case INVOKE_ID_GET_SELECTED_TRACK: 426 { 427 int32_t type = request.readInt32(); 428 return mPlayer->getSelectedTrack(type, reply); 429 } 430 431 default: 432 { 433 return INVALID_OPERATION; 434 } 435 } 436} 437 438void NuPlayerDriver::setAudioSink(const sp<AudioSink> &audioSink) { 439 mPlayer->setAudioSink(audioSink); 440} 441 442status_t NuPlayerDriver::setParameter( 443 int /* key */, const Parcel & /* request */) { 444 return INVALID_OPERATION; 445} 446 447status_t NuPlayerDriver::getParameter(int /* key */, Parcel * /* reply */) { 448 return INVALID_OPERATION; 449} 450 451status_t NuPlayerDriver::getMetadata( 452 const media::Metadata::Filter& /* ids */, Parcel *records) { 453 Mutex::Autolock autoLock(mLock); 454 455 using media::Metadata; 456 457 Metadata meta(records); 458 459 meta.appendBool( 460 Metadata::kPauseAvailable, 461 mPlayerFlags & NuPlayer::Source::FLAG_CAN_PAUSE); 462 463 meta.appendBool( 464 Metadata::kSeekBackwardAvailable, 465 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_BACKWARD); 466 467 meta.appendBool( 468 Metadata::kSeekForwardAvailable, 469 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK_FORWARD); 470 471 meta.appendBool( 472 Metadata::kSeekAvailable, 473 mPlayerFlags & NuPlayer::Source::FLAG_CAN_SEEK); 474 475 return OK; 476} 477 478void NuPlayerDriver::notifyResetComplete() { 479 Mutex::Autolock autoLock(mLock); 480 481 CHECK_EQ(mState, STATE_RESET_IN_PROGRESS); 482 mState = STATE_IDLE; 483 mCondition.broadcast(); 484} 485 486void NuPlayerDriver::notifySetSurfaceComplete() { 487 Mutex::Autolock autoLock(mLock); 488 489 CHECK(mSetSurfaceInProgress); 490 mSetSurfaceInProgress = false; 491 492 mCondition.broadcast(); 493} 494 495void NuPlayerDriver::notifyDuration(int64_t durationUs) { 496 Mutex::Autolock autoLock(mLock); 497 mDurationUs = durationUs; 498} 499 500void NuPlayerDriver::notifyPosition(int64_t positionUs) { 501 Mutex::Autolock autoLock(mLock); 502 mPositionUs = positionUs; 503} 504 505void NuPlayerDriver::notifySeekComplete() { 506 notifyListener(MEDIA_SEEK_COMPLETE); 507} 508 509void NuPlayerDriver::notifyFrameStats( 510 int64_t numFramesTotal, int64_t numFramesDropped) { 511 Mutex::Autolock autoLock(mLock); 512 mNumFramesTotal = numFramesTotal; 513 mNumFramesDropped = numFramesDropped; 514} 515 516status_t NuPlayerDriver::dump( 517 int fd, const Vector<String16> & /* args */) const { 518 Mutex::Autolock autoLock(mLock); 519 520 FILE *out = fdopen(dup(fd), "w"); 521 522 fprintf(out, " NuPlayer\n"); 523 fprintf(out, " numFramesTotal(%" PRId64 "), numFramesDropped(%" PRId64 "), " 524 "percentageDropped(%.2f)\n", 525 mNumFramesTotal, 526 mNumFramesDropped, 527 mNumFramesTotal == 0 528 ? 0.0 : (double)mNumFramesDropped / mNumFramesTotal); 529 530 fclose(out); 531 out = NULL; 532 533 return OK; 534} 535 536void NuPlayerDriver::notifyListener( 537 int msg, int ext1, int ext2, const Parcel *in) { 538 switch (msg) { 539 case MEDIA_PLAYBACK_COMPLETE: 540 { 541 if (mLooping) { 542 mPlayer->seekToAsync(0); 543 break; 544 } 545 // fall through 546 } 547 548 case MEDIA_ERROR: 549 { 550 mAtEOS = true; 551 break; 552 } 553 554 default: 555 break; 556 } 557 558 sendEvent(msg, ext1, ext2, in); 559} 560 561void NuPlayerDriver::notifySetDataSourceCompleted(status_t err) { 562 Mutex::Autolock autoLock(mLock); 563 564 CHECK_EQ(mState, STATE_SET_DATASOURCE_PENDING); 565 566 mAsyncResult = err; 567 mState = (err == OK) ? STATE_UNPREPARED : STATE_IDLE; 568 mCondition.broadcast(); 569} 570 571void NuPlayerDriver::notifyPrepareCompleted(status_t err) { 572 Mutex::Autolock autoLock(mLock); 573 574 if (mState != STATE_PREPARING) { 575 // We were preparing asynchronously when the client called 576 // reset(), we sent a premature "prepared" notification and 577 // then initiated the reset. This notification is stale. 578 CHECK(mState == STATE_RESET_IN_PROGRESS || mState == STATE_IDLE); 579 return; 580 } 581 582 CHECK_EQ(mState, STATE_PREPARING); 583 584 mAsyncResult = err; 585 586 if (err == OK) { 587 if (mIsAsyncPrepare) { 588 notifyListener(MEDIA_PREPARED); 589 } 590 mState = STATE_PREPARED; 591 } else { 592 if (mIsAsyncPrepare) { 593 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 594 } 595 mState = STATE_UNPREPARED; 596 } 597 598 mCondition.broadcast(); 599} 600 601void NuPlayerDriver::notifyFlagsChanged(uint32_t flags) { 602 Mutex::Autolock autoLock(mLock); 603 604 mPlayerFlags = flags; 605} 606 607} // namespace android 608