The Android Open Source Project | 89fa4ad | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 "JetPlayer-C" |
| 19 | |
| 20 | #include <utils/Log.h> |
| 21 | #include <utils/threads.h> |
| 22 | |
| 23 | #include <media/JetPlayer.h> |
| 24 | |
| 25 | |
| 26 | #ifdef HAVE_GETTID |
| 27 | static pid_t myTid() { return gettid(); } |
| 28 | #else |
| 29 | static pid_t myTid() { return getpid(); } |
| 30 | #endif |
| 31 | |
| 32 | |
| 33 | namespace android |
| 34 | { |
| 35 | |
| 36 | static const int MIX_NUM_BUFFERS = 4; |
| 37 | static const S_EAS_LIB_CONFIG* pLibConfig = NULL; |
| 38 | |
| 39 | //------------------------------------------------------------------------------------------------- |
| 40 | JetPlayer::JetPlayer(jobject javaJetPlayer, int maxTracks, int trackBufferSize) : |
| 41 | mEventCallback(NULL), |
| 42 | mJavaJetPlayerRef(javaJetPlayer), |
| 43 | mTid(-1), |
| 44 | mRender(false), |
| 45 | mPaused(false), |
| 46 | mMaxTracks(maxTracks), |
| 47 | mEasData(NULL), |
| 48 | mEasJetFileLoc(NULL), |
| 49 | mAudioTrack(NULL), |
| 50 | mTrackBufferSize(trackBufferSize) |
| 51 | { |
| 52 | LOGV("JetPlayer constructor"); |
| 53 | mPreviousJetStatus.currentUserID = -1; |
| 54 | mPreviousJetStatus.segmentRepeatCount = -1; |
| 55 | mPreviousJetStatus.numQueuedSegments = -1; |
| 56 | mPreviousJetStatus.paused = true; |
| 57 | } |
| 58 | |
| 59 | //------------------------------------------------------------------------------------------------- |
| 60 | JetPlayer::~JetPlayer() |
| 61 | { |
| 62 | LOGV("~JetPlayer"); |
| 63 | release(); |
| 64 | |
| 65 | } |
| 66 | |
| 67 | //------------------------------------------------------------------------------------------------- |
| 68 | int JetPlayer::init() |
| 69 | { |
| 70 | //Mutex::Autolock lock(&mMutex); |
| 71 | |
| 72 | EAS_RESULT result; |
| 73 | |
| 74 | // retrieve the EAS library settings |
| 75 | if (pLibConfig == NULL) |
| 76 | pLibConfig = EAS_Config(); |
| 77 | if (pLibConfig == NULL) { |
| 78 | LOGE("JetPlayer::init(): EAS library configuration could not be retrieved, aborting."); |
| 79 | return EAS_FAILURE; |
| 80 | } |
| 81 | |
| 82 | // init the EAS library |
| 83 | result = EAS_Init(&mEasData); |
| 84 | if( result != EAS_SUCCESS) { |
| 85 | LOGE("JetPlayer::init(): Error initializing Sonivox EAS library, aborting."); |
| 86 | mState = EAS_STATE_ERROR; |
| 87 | return result; |
| 88 | } |
| 89 | // init the JET library with the default app event controller range |
| 90 | result = JET_Init(mEasData, NULL, sizeof(S_JET_CONFIG)); |
| 91 | if( result != EAS_SUCCESS) { |
| 92 | LOGE("JetPlayer::init(): Error initializing JET library, aborting."); |
| 93 | mState = EAS_STATE_ERROR; |
| 94 | return result; |
| 95 | } |
| 96 | |
| 97 | // create the output AudioTrack |
| 98 | mAudioTrack = new AudioTrack(); |
| 99 | mAudioTrack->set(AudioSystem::MUSIC, //TODO parametrize this |
| 100 | pLibConfig->sampleRate, |
| 101 | 1, // format = PCM 16bits per sample, |
| 102 | pLibConfig->numChannels, |
| 103 | mTrackBufferSize, |
| 104 | 0); |
| 105 | |
| 106 | // create render and playback thread |
| 107 | { |
| 108 | Mutex::Autolock l(mMutex); |
| 109 | LOGV("JetPlayer::init(): trying to start render thread"); |
| 110 | createThreadEtc(renderThread, this, "jetRenderThread", ANDROID_PRIORITY_AUDIO); |
| 111 | mCondition.wait(mMutex); |
| 112 | } |
| 113 | if (mTid > 0) { |
| 114 | // render thread started, we're ready |
| 115 | LOGV("JetPlayer::init(): render thread(%d) successfully started.", mTid); |
| 116 | mState = EAS_STATE_READY; |
| 117 | } else { |
| 118 | LOGE("JetPlayer::init(): failed to start render thread."); |
| 119 | mState = EAS_STATE_ERROR; |
| 120 | return EAS_FAILURE; |
| 121 | } |
| 122 | |
| 123 | return EAS_SUCCESS; |
| 124 | } |
| 125 | |
| 126 | void JetPlayer::setEventCallback(jetevent_callback eventCallback) |
| 127 | { |
| 128 | Mutex::Autolock l(mMutex); |
| 129 | mEventCallback = eventCallback; |
| 130 | } |
| 131 | |
| 132 | //------------------------------------------------------------------------------------------------- |
| 133 | int JetPlayer::release() |
| 134 | { |
| 135 | LOGV("JetPlayer::release()"); |
| 136 | Mutex::Autolock lock(mMutex); |
| 137 | mPaused = true; |
| 138 | mRender = false; |
| 139 | if (mEasData) { |
| 140 | JET_Pause(mEasData); |
| 141 | JET_CloseFile(mEasData); |
| 142 | JET_Shutdown(mEasData); |
| 143 | EAS_Shutdown(mEasData); |
| 144 | } |
| 145 | if (mEasJetFileLoc) { |
| 146 | free(mEasJetFileLoc); |
| 147 | mEasJetFileLoc = NULL; |
| 148 | } |
| 149 | if (mAudioTrack) { |
| 150 | mAudioTrack->stop(); |
| 151 | mAudioTrack->flush(); |
| 152 | delete mAudioTrack; |
| 153 | mAudioTrack = NULL; |
| 154 | } |
| 155 | if (mAudioBuffer) { |
| 156 | delete mAudioBuffer; |
| 157 | mAudioBuffer = NULL; |
| 158 | } |
| 159 | mEasData = NULL; |
| 160 | |
| 161 | return EAS_SUCCESS; |
| 162 | } |
| 163 | |
| 164 | |
| 165 | //------------------------------------------------------------------------------------------------- |
| 166 | int JetPlayer::renderThread(void* p) { |
| 167 | |
| 168 | return ((JetPlayer*)p)->render(); |
| 169 | } |
| 170 | |
| 171 | //------------------------------------------------------------------------------------------------- |
| 172 | int JetPlayer::render() { |
| 173 | EAS_RESULT result = EAS_FAILURE; |
| 174 | EAS_I32 count; |
| 175 | int temp; |
| 176 | bool audioStarted = false; |
| 177 | |
| 178 | LOGV("JetPlayer::render(): entering"); |
| 179 | |
| 180 | // allocate render buffer |
| 181 | mAudioBuffer = |
| 182 | new EAS_PCM[pLibConfig->mixBufferSize * pLibConfig->numChannels * MIX_NUM_BUFFERS]; |
| 183 | if (!mAudioBuffer) { |
| 184 | LOGE("JetPlayer::render(): mAudioBuffer allocate failed"); |
| 185 | goto threadExit; |
| 186 | } |
| 187 | |
| 188 | // signal main thread that we started |
| 189 | { |
| 190 | Mutex::Autolock l(mMutex); |
| 191 | mTid = myTid(); |
| 192 | LOGV("JetPlayer::render(): render thread(%d) signal", mTid); |
| 193 | mCondition.signal(); |
| 194 | } |
| 195 | |
| 196 | while (1) { |
| 197 | mMutex.lock(); // [[[[[[[[ LOCK --------------------------------------- |
| 198 | |
| 199 | // nothing to render, wait for client thread to wake us up |
| 200 | while (!mRender) |
| 201 | { |
| 202 | LOGV("JetPlayer::render(): signal wait"); |
| 203 | if (audioStarted) { |
| 204 | mAudioTrack->pause(); |
| 205 | // we have to restart the playback once we start rendering again |
| 206 | audioStarted = false; |
| 207 | } |
| 208 | mCondition.wait(mMutex); |
| 209 | LOGV("JetPlayer::render(): signal rx'd"); |
| 210 | } |
| 211 | |
| 212 | // render midi data into the input buffer |
| 213 | int num_output = 0; |
| 214 | EAS_PCM* p = mAudioBuffer; |
| 215 | for (int i = 0; i < MIX_NUM_BUFFERS; i++) { |
| 216 | result = EAS_Render(mEasData, p, pLibConfig->mixBufferSize, &count); |
| 217 | if (result != EAS_SUCCESS) { |
| 218 | LOGE("JetPlayer::render(): EAS_Render returned error %ld", result); |
| 219 | } |
| 220 | p += count * pLibConfig->numChannels; |
| 221 | num_output += count * pLibConfig->numChannels * sizeof(EAS_PCM); |
| 222 | |
| 223 | // send events that were generated (if any) to the event callback |
| 224 | fireEventsFromJetQueue(); |
| 225 | } |
| 226 | |
| 227 | // update playback state |
| 228 | //LOGV("JetPlayer::render(): updating state"); |
| 229 | JET_Status(mEasData, &mJetStatus); |
| 230 | fireUpdateOnStatusChange(); |
| 231 | mPaused = mJetStatus.paused; |
| 232 | |
| 233 | mMutex.unlock(); // UNLOCK ]]]]]]]] ----------------------------------- |
| 234 | |
| 235 | // check audio output track |
| 236 | if (mAudioTrack == NULL) { |
| 237 | LOGE("JetPlayer::render(): output AudioTrack was not created"); |
| 238 | goto threadExit; |
| 239 | } |
| 240 | |
| 241 | // Write data to the audio hardware |
| 242 | //LOGV("JetPlayer::render(): writing to audio output"); |
| 243 | if ((temp = mAudioTrack->write(mAudioBuffer, num_output)) < 0) { |
| 244 | LOGE("JetPlayer::render(): Error in writing:%d",temp); |
| 245 | return temp; |
| 246 | } |
| 247 | |
| 248 | // start audio output if necessary |
| 249 | if (!audioStarted) { |
| 250 | LOGV("JetPlayer::render(): starting audio playback"); |
| 251 | mAudioTrack->start(); |
| 252 | audioStarted = true; |
| 253 | } |
| 254 | |
| 255 | }//while (1) |
| 256 | |
| 257 | threadExit: |
| 258 | mAudioTrack->flush(); |
| 259 | if (mAudioBuffer) { |
| 260 | delete [] mAudioBuffer; |
| 261 | mAudioBuffer = NULL; |
| 262 | } |
| 263 | mMutex.lock(); |
| 264 | mTid = -1; |
| 265 | mCondition.signal(); |
| 266 | mMutex.unlock(); |
| 267 | return result; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | //------------------------------------------------------------------------------------------------- |
| 272 | // fire up an update if any of the status fields has changed |
| 273 | // precondition: mMutex locked |
| 274 | void JetPlayer::fireUpdateOnStatusChange() |
| 275 | { |
| 276 | if( (mJetStatus.currentUserID != mPreviousJetStatus.currentUserID) |
| 277 | ||(mJetStatus.segmentRepeatCount != mPreviousJetStatus.segmentRepeatCount) ) { |
| 278 | if(mEventCallback) { |
| 279 | mEventCallback( |
| 280 | JetPlayer::JET_USERID_UPDATE, |
| 281 | mJetStatus.currentUserID, |
| 282 | mJetStatus.segmentRepeatCount, |
| 283 | mJavaJetPlayerRef); |
| 284 | } |
| 285 | mPreviousJetStatus.currentUserID = mJetStatus.currentUserID; |
| 286 | mPreviousJetStatus.segmentRepeatCount = mJetStatus.segmentRepeatCount; |
| 287 | } |
| 288 | |
| 289 | if(mJetStatus.numQueuedSegments != mPreviousJetStatus.numQueuedSegments) { |
| 290 | if(mEventCallback) { |
| 291 | mEventCallback( |
| 292 | JetPlayer::JET_NUMQUEUEDSEGMENT_UPDATE, |
| 293 | mJetStatus.numQueuedSegments, |
| 294 | -1, |
| 295 | mJavaJetPlayerRef); |
| 296 | } |
| 297 | mPreviousJetStatus.numQueuedSegments = mJetStatus.numQueuedSegments; |
| 298 | } |
| 299 | |
| 300 | if(mJetStatus.paused != mPreviousJetStatus.paused) { |
| 301 | if(mEventCallback) { |
| 302 | mEventCallback(JetPlayer::JET_PAUSE_UPDATE, |
| 303 | mJetStatus.paused, |
| 304 | -1, |
| 305 | mJavaJetPlayerRef); |
| 306 | } |
| 307 | mPreviousJetStatus.paused = mJetStatus.paused; |
| 308 | } |
| 309 | |
| 310 | } |
| 311 | |
| 312 | |
| 313 | //------------------------------------------------------------------------------------------------- |
| 314 | // fire up all the JET events in the JET engine queue (until the queue is empty) |
| 315 | // precondition: mMutex locked |
| 316 | void JetPlayer::fireEventsFromJetQueue() |
| 317 | { |
| 318 | if(!mEventCallback) { |
| 319 | // no callback, just empty the event queue |
| 320 | while (JET_GetEvent(mEasData, NULL, NULL)) { } |
| 321 | return; |
| 322 | } |
| 323 | |
| 324 | EAS_U32 rawEvent; |
| 325 | while (JET_GetEvent(mEasData, &rawEvent, NULL)) { |
| 326 | mEventCallback( |
| 327 | JetPlayer::JET_EVENT, |
| 328 | rawEvent, |
| 329 | -1, |
| 330 | mJavaJetPlayerRef); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | |
| 335 | //------------------------------------------------------------------------------------------------- |
| 336 | int JetPlayer::loadFromFile(const char* path) |
| 337 | { |
| 338 | LOGV("JetPlayer::loadFromFile(): path=%s", path); |
| 339 | |
| 340 | Mutex::Autolock lock(mMutex); |
| 341 | |
| 342 | mEasJetFileLoc = (EAS_FILE_LOCATOR) malloc(sizeof(EAS_FILE)); |
| 343 | memset(mJetFilePath, 0, 256); |
| 344 | strncpy(mJetFilePath, path, strlen(path)); |
| 345 | mEasJetFileLoc->path = mJetFilePath; |
| 346 | |
| 347 | mEasJetFileLoc->fd = 0; |
| 348 | mEasJetFileLoc->length = 0; |
| 349 | mEasJetFileLoc->offset = 0; |
| 350 | |
| 351 | EAS_RESULT result = JET_OpenFile(mEasData, mEasJetFileLoc); |
| 352 | if(result != EAS_SUCCESS) |
| 353 | mState = EAS_STATE_ERROR; |
| 354 | else |
| 355 | mState = EAS_STATE_OPEN; |
| 356 | return( result ); |
| 357 | } |
| 358 | |
| 359 | |
| 360 | //------------------------------------------------------------------------------------------------- |
| 361 | int JetPlayer::loadFromFD(const int fd, const long long offset, const long long length) |
| 362 | { |
| 363 | LOGV("JetPlayer::loadFromFD(): fd=%d offset=%lld length=%lld", fd, offset, length); |
| 364 | |
| 365 | Mutex::Autolock lock(mMutex); |
| 366 | |
| 367 | mEasJetFileLoc = (EAS_FILE_LOCATOR) malloc(sizeof(EAS_FILE)); |
| 368 | mEasJetFileLoc->fd = fd; |
| 369 | mEasJetFileLoc->offset = offset; |
| 370 | mEasJetFileLoc->length = length; |
| 371 | mEasJetFileLoc->path = NULL; |
| 372 | |
| 373 | EAS_RESULT result = JET_OpenFile(mEasData, mEasJetFileLoc); |
| 374 | if(result != EAS_SUCCESS) |
| 375 | mState = EAS_STATE_ERROR; |
| 376 | else |
| 377 | mState = EAS_STATE_OPEN; |
| 378 | return( result ); |
| 379 | } |
| 380 | |
| 381 | |
| 382 | //------------------------------------------------------------------------------------------------- |
| 383 | int JetPlayer::closeFile() |
| 384 | { |
| 385 | Mutex::Autolock lock(mMutex); |
| 386 | return JET_CloseFile(mEasData); |
| 387 | } |
| 388 | |
| 389 | |
| 390 | //------------------------------------------------------------------------------------------------- |
| 391 | int JetPlayer::play() |
| 392 | { |
| 393 | LOGV("JetPlayer::play(): entering"); |
| 394 | Mutex::Autolock lock(mMutex); |
| 395 | |
| 396 | EAS_RESULT result = JET_Play(mEasData); |
| 397 | |
| 398 | mPaused = false; |
| 399 | mRender = true; |
| 400 | |
| 401 | JET_Status(mEasData, &mJetStatus); |
| 402 | this->dumpJetStatus(&mJetStatus); |
| 403 | |
| 404 | fireUpdateOnStatusChange(); |
| 405 | |
| 406 | // wake up render thread |
| 407 | LOGV("JetPlayer::play(): wakeup render thread"); |
| 408 | mCondition.signal(); |
| 409 | |
| 410 | return result; |
| 411 | } |
| 412 | |
| 413 | //------------------------------------------------------------------------------------------------- |
| 414 | int JetPlayer::pause() |
| 415 | { |
| 416 | Mutex::Autolock lock(mMutex); |
| 417 | mPaused = true; |
| 418 | EAS_RESULT result = JET_Pause(mEasData); |
| 419 | |
| 420 | mRender = false; |
| 421 | |
| 422 | JET_Status(mEasData, &mJetStatus); |
| 423 | this->dumpJetStatus(&mJetStatus); |
| 424 | fireUpdateOnStatusChange(); |
| 425 | |
| 426 | |
| 427 | return result; |
| 428 | } |
| 429 | |
| 430 | |
| 431 | //------------------------------------------------------------------------------------------------- |
| 432 | int JetPlayer::queueSegment(int segmentNum, int libNum, int repeatCount, int transpose, |
| 433 | EAS_U32 muteFlags, EAS_U8 userID) |
| 434 | { |
| 435 | LOGV("JetPlayer::queueSegment segmentNum=%d, libNum=%d, repeatCount=%d, transpose=%d", |
| 436 | segmentNum, libNum, repeatCount, transpose); |
| 437 | Mutex::Autolock lock(mMutex); |
| 438 | return JET_QueueSegment(mEasData, segmentNum, libNum, repeatCount, transpose, muteFlags, userID); |
| 439 | } |
| 440 | |
| 441 | //------------------------------------------------------------------------------------------------- |
| 442 | int JetPlayer::setMuteFlags(EAS_U32 muteFlags, bool sync) |
| 443 | { |
| 444 | Mutex::Autolock lock(mMutex); |
| 445 | return JET_SetMuteFlags(mEasData, muteFlags, sync); |
| 446 | } |
| 447 | |
| 448 | //------------------------------------------------------------------------------------------------- |
| 449 | int JetPlayer::setMuteFlag(int trackNum, bool muteFlag, bool sync) |
| 450 | { |
| 451 | Mutex::Autolock lock(mMutex); |
| 452 | return JET_SetMuteFlag(mEasData, trackNum, muteFlag, sync); |
| 453 | } |
| 454 | |
| 455 | //------------------------------------------------------------------------------------------------- |
| 456 | int JetPlayer::triggerClip(int clipId) |
| 457 | { |
| 458 | LOGV("JetPlayer::triggerClip clipId=%d", clipId); |
| 459 | Mutex::Autolock lock(mMutex); |
| 460 | return JET_TriggerClip(mEasData, clipId); |
| 461 | } |
| 462 | |
| 463 | //------------------------------------------------------------------------------------------------- |
| 464 | int JetPlayer::clearQueue() |
| 465 | { |
| 466 | LOGV("JetPlayer::clearQueue"); |
| 467 | Mutex::Autolock lock(mMutex); |
| 468 | return JET_Clear_Queue(mEasData); |
| 469 | } |
| 470 | |
| 471 | //------------------------------------------------------------------------------------------------- |
| 472 | void JetPlayer::dump() |
| 473 | { |
| 474 | LOGE("JetPlayer dump: JET file=%s", mEasJetFileLoc->path); |
| 475 | } |
| 476 | |
| 477 | void JetPlayer::dumpJetStatus(S_JET_STATUS* pJetStatus) |
| 478 | { |
| 479 | if(pJetStatus!=NULL) |
| 480 | LOGV(">> current JET player status: userID=%d segmentRepeatCount=%d numQueuedSegments=%d paused=%d", |
| 481 | pJetStatus->currentUserID, pJetStatus->segmentRepeatCount, |
| 482 | pJetStatus->numQueuedSegments, pJetStatus->paused); |
| 483 | else |
| 484 | LOGE(">> JET player status is NULL"); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | } // end namespace android |
| 489 | |