Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 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 | |
Shalaj Jain | 6550662 | 2013-01-29 18:27:08 -0800 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 18 | #define LOG_TAG "DashPlayerRenderer" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include "DashPlayerRenderer.h" |
| 22 | |
| 23 | #include <media/stagefright/foundation/ABuffer.h> |
| 24 | #include <media/stagefright/foundation/ADebug.h> |
| 25 | #include <media/stagefright/foundation/AMessage.h> |
Surajit Podder | e647113 | 2013-08-20 17:01:03 +0530 | [diff] [blame] | 26 | #include <cutils/properties.h> |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 27 | |
| 28 | namespace android { |
| 29 | |
| 30 | // static |
| 31 | const int64_t DashPlayer::Renderer::kMinPositionUpdateDelayUs = 100000ll; |
| 32 | |
| 33 | DashPlayer::Renderer::Renderer( |
| 34 | const sp<MediaPlayerBase::AudioSink> &sink, |
| 35 | const sp<AMessage> ¬ify) |
| 36 | : mAudioSink(sink), |
| 37 | mNotify(notify), |
| 38 | mNumFramesWritten(0), |
| 39 | mDrainAudioQueuePending(false), |
| 40 | mDrainVideoQueuePending(false), |
| 41 | mAudioQueueGeneration(0), |
| 42 | mVideoQueueGeneration(0), |
| 43 | mAnchorTimeMediaUs(-1), |
| 44 | mAnchorTimeRealUs(-1), |
| 45 | mFlushingAudio(false), |
| 46 | mFlushingVideo(false), |
| 47 | mHasAudio(false), |
| 48 | mHasVideo(false), |
| 49 | mSyncQueues(false), |
| 50 | mPaused(false), |
| 51 | mWasPaused(false), |
| 52 | mLastPositionUpdateUs(-1ll), |
| 53 | mVideoLateByUs(0ll), |
Surajit Podder | c72631d | 2013-08-20 14:26:43 +0530 | [diff] [blame] | 54 | mStats(NULL), |
| 55 | mSeekTimeUs(0){ |
Surajit Podder | e647113 | 2013-08-20 17:01:03 +0530 | [diff] [blame] | 56 | |
| 57 | mAVSyncDelayWindowUs = 40000; |
| 58 | |
| 59 | char avSyncDelayMsec[PROPERTY_VALUE_MAX] = {0}; |
| 60 | property_get("persist.dash.avsync.window.msec", avSyncDelayMsec, NULL); |
| 61 | |
| 62 | if(*avSyncDelayMsec) { |
| 63 | int64_t avSyncDelayWindowUs = atoi(avSyncDelayMsec) * 1000; |
| 64 | |
| 65 | if(avSyncDelayWindowUs > 0) { |
| 66 | mAVSyncDelayWindowUs = avSyncDelayWindowUs; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | ALOGV("AVsync window in Us %lld", mAVSyncDelayWindowUs); |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | DashPlayer::Renderer::~Renderer() { |
| 74 | if(mStats != NULL) { |
| 75 | mStats->logStatistics(); |
| 76 | mStats->logSyncLoss(); |
| 77 | mStats = NULL; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | void DashPlayer::Renderer::queueBuffer( |
| 82 | bool audio, |
| 83 | const sp<ABuffer> &buffer, |
| 84 | const sp<AMessage> ¬ifyConsumed) { |
| 85 | sp<AMessage> msg = new AMessage(kWhatQueueBuffer, id()); |
| 86 | msg->setInt32("audio", static_cast<int32_t>(audio)); |
| 87 | msg->setBuffer("buffer", buffer); |
| 88 | msg->setMessage("notifyConsumed", notifyConsumed); |
| 89 | msg->post(); |
| 90 | } |
| 91 | |
| 92 | void DashPlayer::Renderer::queueEOS(bool audio, status_t finalResult) { |
| 93 | CHECK_NE(finalResult, (status_t)OK); |
| 94 | |
| 95 | if(mSyncQueues) |
| 96 | syncQueuesDone(); |
| 97 | |
| 98 | sp<AMessage> msg = new AMessage(kWhatQueueEOS, id()); |
| 99 | msg->setInt32("audio", static_cast<int32_t>(audio)); |
| 100 | msg->setInt32("finalResult", finalResult); |
| 101 | msg->post(); |
| 102 | } |
| 103 | |
| 104 | void DashPlayer::Renderer::flush(bool audio) { |
| 105 | { |
| 106 | Mutex::Autolock autoLock(mFlushLock); |
| 107 | if (audio) { |
| 108 | CHECK(!mFlushingAudio); |
| 109 | mFlushingAudio = true; |
| 110 | } else { |
| 111 | CHECK(!mFlushingVideo); |
| 112 | mFlushingVideo = true; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | sp<AMessage> msg = new AMessage(kWhatFlush, id()); |
| 117 | msg->setInt32("audio", static_cast<int32_t>(audio)); |
| 118 | msg->post(); |
| 119 | } |
| 120 | |
| 121 | void DashPlayer::Renderer::signalTimeDiscontinuity() { |
| 122 | CHECK(mAudioQueue.empty()); |
| 123 | CHECK(mVideoQueue.empty()); |
| 124 | mAnchorTimeMediaUs = -1; |
| 125 | mAnchorTimeRealUs = -1; |
| 126 | mWasPaused = false; |
Surajit Podder | c72631d | 2013-08-20 14:26:43 +0530 | [diff] [blame] | 127 | mSeekTimeUs = 0; |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 128 | mSyncQueues = mHasAudio && mHasVideo; |
| 129 | ALOGI("signalTimeDiscontinuity mHasAudio %d mHasVideo %d mSyncQueues %d",mHasAudio,mHasVideo,mSyncQueues); |
| 130 | } |
| 131 | |
| 132 | void DashPlayer::Renderer::pause() { |
| 133 | (new AMessage(kWhatPause, id()))->post(); |
| 134 | } |
| 135 | |
| 136 | void DashPlayer::Renderer::resume() { |
| 137 | (new AMessage(kWhatResume, id()))->post(); |
| 138 | } |
| 139 | |
| 140 | void DashPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { |
| 141 | switch (msg->what()) { |
| 142 | case kWhatDrainAudioQueue: |
| 143 | { |
| 144 | int32_t generation; |
| 145 | CHECK(msg->findInt32("generation", &generation)); |
| 146 | if (generation != mAudioQueueGeneration) { |
| 147 | break; |
| 148 | } |
| 149 | |
| 150 | mDrainAudioQueuePending = false; |
| 151 | |
| 152 | if (onDrainAudioQueue()) { |
| 153 | uint32_t numFramesPlayed; |
| 154 | CHECK_EQ(mAudioSink->getPosition(&numFramesPlayed), |
| 155 | (status_t)OK); |
| 156 | |
| 157 | uint32_t numFramesPendingPlayout = |
| 158 | mNumFramesWritten - numFramesPlayed; |
| 159 | |
| 160 | // This is how long the audio sink will have data to |
| 161 | // play back. |
| 162 | int64_t delayUs = |
| 163 | mAudioSink->msecsPerFrame() |
| 164 | * numFramesPendingPlayout * 1000ll; |
| 165 | |
| 166 | // Let's give it more data after about half that time |
| 167 | // has elapsed. |
| 168 | postDrainAudioQueue(delayUs / 2); |
| 169 | } |
| 170 | break; |
| 171 | } |
| 172 | |
| 173 | case kWhatDrainVideoQueue: |
| 174 | { |
| 175 | int32_t generation; |
| 176 | CHECK(msg->findInt32("generation", &generation)); |
| 177 | if (generation != mVideoQueueGeneration) { |
| 178 | break; |
| 179 | } |
| 180 | |
| 181 | mDrainVideoQueuePending = false; |
| 182 | |
| 183 | onDrainVideoQueue(); |
| 184 | |
| 185 | postDrainVideoQueue(); |
| 186 | break; |
| 187 | } |
| 188 | |
| 189 | case kWhatQueueBuffer: |
| 190 | { |
| 191 | onQueueBuffer(msg); |
| 192 | break; |
| 193 | } |
| 194 | |
| 195 | case kWhatQueueEOS: |
| 196 | { |
| 197 | onQueueEOS(msg); |
| 198 | break; |
| 199 | } |
| 200 | |
| 201 | case kWhatFlush: |
| 202 | { |
| 203 | onFlush(msg); |
| 204 | break; |
| 205 | } |
| 206 | |
| 207 | case kWhatAudioSinkChanged: |
| 208 | { |
| 209 | onAudioSinkChanged(); |
| 210 | break; |
| 211 | } |
| 212 | |
| 213 | case kWhatPause: |
| 214 | { |
| 215 | onPause(); |
| 216 | break; |
| 217 | } |
| 218 | |
| 219 | case kWhatResume: |
| 220 | { |
| 221 | onResume(); |
| 222 | break; |
| 223 | } |
| 224 | |
| 225 | default: |
| 226 | TRESPASS(); |
| 227 | break; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | void DashPlayer::Renderer::postDrainAudioQueue(int64_t delayUs) { |
| 232 | if (mDrainAudioQueuePending || mSyncQueues || mPaused) { |
| 233 | return; |
| 234 | } |
| 235 | |
| 236 | if (mAudioQueue.empty()) { |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | mDrainAudioQueuePending = true; |
| 241 | sp<AMessage> msg = new AMessage(kWhatDrainAudioQueue, id()); |
| 242 | msg->setInt32("generation", mAudioQueueGeneration); |
| 243 | msg->post(delayUs); |
| 244 | } |
| 245 | |
| 246 | void DashPlayer::Renderer::signalAudioSinkChanged() { |
| 247 | (new AMessage(kWhatAudioSinkChanged, id()))->post(); |
| 248 | } |
| 249 | |
| 250 | bool DashPlayer::Renderer::onDrainAudioQueue() { |
| 251 | uint32_t numFramesPlayed; |
| 252 | if (mAudioSink->getPosition(&numFramesPlayed) != OK) { |
| 253 | return false; |
| 254 | } |
| 255 | |
| 256 | ssize_t numFramesAvailableToWrite = |
| 257 | mAudioSink->frameCount() - (mNumFramesWritten - numFramesPlayed); |
| 258 | |
| 259 | #if 0 |
| 260 | if (numFramesAvailableToWrite == mAudioSink->frameCount()) { |
| 261 | ALOGI("audio sink underrun"); |
| 262 | } else { |
| 263 | ALOGV("audio queue has %d frames left to play", |
| 264 | mAudioSink->frameCount() - numFramesAvailableToWrite); |
| 265 | } |
| 266 | #endif |
| 267 | |
| 268 | size_t numBytesAvailableToWrite = |
| 269 | numFramesAvailableToWrite * mAudioSink->frameSize(); |
| 270 | |
| 271 | while (numBytesAvailableToWrite > 0 && !mAudioQueue.empty()) { |
| 272 | QueueEntry *entry = &*mAudioQueue.begin(); |
| 273 | |
| 274 | if (entry->mBuffer == NULL) { |
| 275 | // EOS |
| 276 | |
| 277 | notifyEOS(true /* audio */, entry->mFinalResult); |
| 278 | |
| 279 | mAudioQueue.erase(mAudioQueue.begin()); |
| 280 | entry = NULL; |
| 281 | return false; |
| 282 | } |
| 283 | |
| 284 | if (entry->mOffset == 0) { |
| 285 | int64_t mediaTimeUs; |
| 286 | CHECK(entry->mBuffer->meta()->findInt64("timeUs", &mediaTimeUs)); |
| 287 | |
| 288 | ALOGV("rendering audio at media time %.2f secs", mediaTimeUs / 1E6); |
| 289 | |
| 290 | mAnchorTimeMediaUs = mediaTimeUs; |
| 291 | |
| 292 | uint32_t numFramesPlayed; |
| 293 | CHECK_EQ(mAudioSink->getPosition(&numFramesPlayed), (status_t)OK); |
| 294 | |
| 295 | uint32_t numFramesPendingPlayout = |
| 296 | mNumFramesWritten - numFramesPlayed; |
| 297 | |
| 298 | int64_t realTimeOffsetUs = |
| 299 | (mAudioSink->latency() / 2 /* XXX */ |
| 300 | + numFramesPendingPlayout |
| 301 | * mAudioSink->msecsPerFrame()) * 1000ll; |
| 302 | |
| 303 | // ALOGI("realTimeOffsetUs = %lld us", realTimeOffsetUs); |
| 304 | |
| 305 | mAnchorTimeRealUs = |
| 306 | ALooper::GetNowUs() + realTimeOffsetUs; |
| 307 | } |
| 308 | |
| 309 | size_t copy = entry->mBuffer->size() - entry->mOffset; |
| 310 | if (copy > numBytesAvailableToWrite) { |
| 311 | copy = numBytesAvailableToWrite; |
| 312 | } |
| 313 | |
| 314 | CHECK_EQ(mAudioSink->write( |
| 315 | entry->mBuffer->data() + entry->mOffset, copy), |
| 316 | (ssize_t)copy); |
| 317 | |
| 318 | entry->mOffset += copy; |
| 319 | if (entry->mOffset == entry->mBuffer->size()) { |
| 320 | entry->mNotifyConsumed->post(); |
| 321 | mAudioQueue.erase(mAudioQueue.begin()); |
| 322 | |
| 323 | entry = NULL; |
| 324 | } |
| 325 | |
| 326 | numBytesAvailableToWrite -= copy; |
| 327 | size_t copiedFrames = copy / mAudioSink->frameSize(); |
| 328 | mNumFramesWritten += copiedFrames; |
| 329 | } |
| 330 | |
| 331 | notifyPosition(); |
| 332 | |
| 333 | return !mAudioQueue.empty(); |
| 334 | } |
| 335 | |
| 336 | void DashPlayer::Renderer::postDrainVideoQueue() { |
| 337 | if (mDrainVideoQueuePending || mSyncQueues || mPaused) { |
| 338 | return; |
| 339 | } |
| 340 | |
| 341 | if (mVideoQueue.empty()) { |
| 342 | return; |
| 343 | } |
| 344 | |
| 345 | QueueEntry &entry = *mVideoQueue.begin(); |
| 346 | |
| 347 | sp<AMessage> msg = new AMessage(kWhatDrainVideoQueue, id()); |
| 348 | msg->setInt32("generation", mVideoQueueGeneration); |
| 349 | |
| 350 | int64_t delayUs; |
| 351 | |
| 352 | if (entry.mBuffer == NULL) { |
| 353 | // EOS doesn't carry a timestamp. |
| 354 | delayUs = 0; |
| 355 | } else { |
| 356 | int64_t mediaTimeUs; |
| 357 | CHECK(entry.mBuffer->meta()->findInt64("timeUs", &mediaTimeUs)); |
| 358 | |
| 359 | if (mAnchorTimeMediaUs < 0) { |
| 360 | delayUs = 0; |
| 361 | |
| 362 | if (!mHasAudio) { |
| 363 | mAnchorTimeMediaUs = mediaTimeUs; |
| 364 | mAnchorTimeRealUs = ALooper::GetNowUs(); |
| 365 | } |
| 366 | } else { |
| 367 | if ( (!mHasAudio && mHasVideo) && (mWasPaused == true)) |
| 368 | { |
| 369 | mAnchorTimeMediaUs = mediaTimeUs; |
| 370 | mAnchorTimeRealUs = ALooper::GetNowUs(); |
| 371 | mWasPaused = false; |
| 372 | } |
| 373 | |
| 374 | int64_t realTimeUs = |
| 375 | (mediaTimeUs - mAnchorTimeMediaUs) + mAnchorTimeRealUs; |
| 376 | |
| 377 | delayUs = realTimeUs - ALooper::GetNowUs(); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | msg->post(delayUs); |
| 382 | |
| 383 | mDrainVideoQueuePending = true; |
| 384 | } |
| 385 | |
| 386 | void DashPlayer::Renderer::onDrainVideoQueue() { |
| 387 | if (mVideoQueue.empty()) { |
| 388 | return; |
| 389 | } |
| 390 | |
| 391 | QueueEntry *entry = &*mVideoQueue.begin(); |
| 392 | |
| 393 | if (entry->mBuffer == NULL) { |
| 394 | // EOS |
| 395 | |
Surajit Podder | 1b76311 | 2013-05-22 14:16:51 +0530 | [diff] [blame] | 396 | notifyPosition(true); |
| 397 | |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 398 | notifyEOS(false /* audio */, entry->mFinalResult); |
| 399 | |
| 400 | mVideoQueue.erase(mVideoQueue.begin()); |
| 401 | entry = NULL; |
| 402 | |
| 403 | mVideoLateByUs = 0ll; |
| 404 | |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 405 | return; |
| 406 | } |
| 407 | |
| 408 | int64_t mediaTimeUs; |
| 409 | CHECK(entry->mBuffer->meta()->findInt64("timeUs", &mediaTimeUs)); |
| 410 | |
| 411 | int64_t realTimeUs = mediaTimeUs - mAnchorTimeMediaUs + mAnchorTimeRealUs; |
| 412 | int64_t nowUs = ALooper::GetNowUs(); |
| 413 | mVideoLateByUs = nowUs - realTimeUs; |
| 414 | |
Surajit Podder | e647113 | 2013-08-20 17:01:03 +0530 | [diff] [blame] | 415 | bool tooLate = (mVideoLateByUs > mAVSyncDelayWindowUs); |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 416 | |
| 417 | if (tooLate) { |
| 418 | ALOGV("video late by %lld us (%.2f secs)", |
| 419 | mVideoLateByUs, mVideoLateByUs / 1E6); |
| 420 | if(mStats != NULL) { |
| 421 | mStats->recordLate(realTimeUs,nowUs,mVideoLateByUs,mAnchorTimeRealUs); |
| 422 | } |
| 423 | } else { |
| 424 | ALOGV("rendering video at media time %.2f secs", mediaTimeUs / 1E6); |
| 425 | if(mStats != NULL) { |
| 426 | mStats->recordOnTime(realTimeUs,nowUs,mVideoLateByUs); |
| 427 | mStats->incrementTotalRenderingFrames(); |
| 428 | mStats->logFps(); |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | entry->mNotifyConsumed->setInt32("render", !tooLate); |
| 433 | entry->mNotifyConsumed->post(); |
| 434 | mVideoQueue.erase(mVideoQueue.begin()); |
| 435 | entry = NULL; |
| 436 | |
| 437 | notifyPosition(); |
| 438 | } |
| 439 | |
| 440 | void DashPlayer::Renderer::notifyEOS(bool audio, status_t finalResult) { |
| 441 | sp<AMessage> notify = mNotify->dup(); |
| 442 | notify->setInt32("what", kWhatEOS); |
| 443 | notify->setInt32("audio", static_cast<int32_t>(audio)); |
| 444 | notify->setInt32("finalResult", finalResult); |
| 445 | notify->post(); |
| 446 | } |
| 447 | |
| 448 | void DashPlayer::Renderer::onQueueBuffer(const sp<AMessage> &msg) { |
| 449 | int32_t audio; |
| 450 | CHECK(msg->findInt32("audio", &audio)); |
| 451 | |
| 452 | if (audio) { |
| 453 | mHasAudio = true; |
| 454 | } else { |
| 455 | mHasVideo = true; |
| 456 | } |
| 457 | |
| 458 | if (dropBufferWhileFlushing(audio, msg)) { |
| 459 | return; |
| 460 | } |
| 461 | |
| 462 | sp<ABuffer> buffer; |
| 463 | CHECK(msg->findBuffer("buffer", &buffer)); |
| 464 | |
| 465 | sp<AMessage> notifyConsumed; |
| 466 | CHECK(msg->findMessage("notifyConsumed", ¬ifyConsumed)); |
| 467 | |
| 468 | QueueEntry entry; |
| 469 | entry.mBuffer = buffer; |
| 470 | entry.mNotifyConsumed = notifyConsumed; |
| 471 | entry.mOffset = 0; |
| 472 | entry.mFinalResult = OK; |
| 473 | |
| 474 | if (audio) { |
| 475 | mAudioQueue.push_back(entry); |
| 476 | postDrainAudioQueue(); |
| 477 | } else { |
| 478 | mVideoQueue.push_back(entry); |
| 479 | postDrainVideoQueue(); |
| 480 | } |
| 481 | |
| 482 | if (!mSyncQueues || mAudioQueue.empty() || mVideoQueue.empty()) { |
| 483 | return; |
| 484 | } |
| 485 | |
| 486 | sp<ABuffer> firstAudioBuffer = (*mAudioQueue.begin()).mBuffer; |
| 487 | sp<ABuffer> firstVideoBuffer = (*mVideoQueue.begin()).mBuffer; |
| 488 | |
| 489 | if (firstAudioBuffer == NULL || firstVideoBuffer == NULL) { |
| 490 | // EOS signalled on either queue. |
| 491 | syncQueuesDone(); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | int64_t firstAudioTimeUs; |
| 496 | int64_t firstVideoTimeUs; |
| 497 | CHECK(firstAudioBuffer->meta() |
| 498 | ->findInt64("timeUs", &firstAudioTimeUs)); |
| 499 | CHECK(firstVideoBuffer->meta() |
| 500 | ->findInt64("timeUs", &firstVideoTimeUs)); |
| 501 | |
| 502 | int64_t diff = firstVideoTimeUs - firstAudioTimeUs; |
| 503 | |
| 504 | ALOGV("queueDiff = %.2f secs", diff / 1E6); |
| 505 | |
| 506 | if (diff > 100000ll) { |
| 507 | // Audio data starts More than 0.1 secs before video. |
| 508 | // Drop some audio. |
| 509 | |
| 510 | (*mAudioQueue.begin()).mNotifyConsumed->post(); |
| 511 | mAudioQueue.erase(mAudioQueue.begin()); |
| 512 | return; |
| 513 | } |
| 514 | |
| 515 | syncQueuesDone(); |
| 516 | } |
| 517 | |
| 518 | void DashPlayer::Renderer::syncQueuesDone() { |
| 519 | if (!mSyncQueues) { |
| 520 | return; |
| 521 | } |
| 522 | |
| 523 | mSyncQueues = false; |
| 524 | |
| 525 | if (!mAudioQueue.empty()) { |
| 526 | postDrainAudioQueue(); |
| 527 | } |
| 528 | |
| 529 | if (!mVideoQueue.empty()) { |
| 530 | postDrainVideoQueue(); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | void DashPlayer::Renderer::onQueueEOS(const sp<AMessage> &msg) { |
| 535 | int32_t audio; |
| 536 | CHECK(msg->findInt32("audio", &audio)); |
| 537 | |
| 538 | if (dropBufferWhileFlushing(audio, msg)) { |
| 539 | return; |
| 540 | } |
| 541 | |
| 542 | int32_t finalResult; |
| 543 | CHECK(msg->findInt32("finalResult", &finalResult)); |
| 544 | |
| 545 | QueueEntry entry; |
| 546 | entry.mOffset = 0; |
| 547 | entry.mFinalResult = finalResult; |
| 548 | |
| 549 | if (audio) { |
| 550 | mAudioQueue.push_back(entry); |
| 551 | postDrainAudioQueue(); |
| 552 | } else { |
| 553 | mVideoQueue.push_back(entry); |
| 554 | postDrainVideoQueue(); |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | void DashPlayer::Renderer::onFlush(const sp<AMessage> &msg) { |
| 559 | int32_t audio; |
| 560 | CHECK(msg->findInt32("audio", &audio)); |
| 561 | |
| 562 | // If we're currently syncing the queues, i.e. dropping audio while |
| 563 | // aligning the first audio/video buffer times and only one of the |
| 564 | // two queues has data, we may starve that queue by not requesting |
| 565 | // more buffers from the decoder. If the other source then encounters |
| 566 | // a discontinuity that leads to flushing, we'll never find the |
| 567 | // corresponding discontinuity on the other queue. |
| 568 | // Therefore we'll stop syncing the queues if at least one of them |
| 569 | // is flushed. |
| 570 | syncQueuesDone(); |
| 571 | |
| 572 | if (audio) { |
| 573 | flushQueue(&mAudioQueue); |
| 574 | |
| 575 | Mutex::Autolock autoLock(mFlushLock); |
| 576 | mFlushingAudio = false; |
| 577 | |
| 578 | mDrainAudioQueuePending = false; |
| 579 | ++mAudioQueueGeneration; |
| 580 | } else { |
| 581 | flushQueue(&mVideoQueue); |
| 582 | |
| 583 | Mutex::Autolock autoLock(mFlushLock); |
| 584 | mFlushingVideo = false; |
| 585 | |
| 586 | mDrainVideoQueuePending = false; |
| 587 | ++mVideoQueueGeneration; |
| 588 | if(mStats != NULL) { |
| 589 | mStats->setVeryFirstFrame(true); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | notifyFlushComplete(audio); |
| 594 | } |
| 595 | |
| 596 | void DashPlayer::Renderer::flushQueue(List<QueueEntry> *queue) { |
| 597 | while (!queue->empty()) { |
| 598 | QueueEntry *entry = &*queue->begin(); |
| 599 | |
| 600 | if (entry->mBuffer != NULL) { |
| 601 | entry->mNotifyConsumed->post(); |
| 602 | } |
| 603 | |
| 604 | queue->erase(queue->begin()); |
| 605 | entry = NULL; |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | void DashPlayer::Renderer::notifyFlushComplete(bool audio) { |
| 610 | sp<AMessage> notify = mNotify->dup(); |
| 611 | notify->setInt32("what", kWhatFlushComplete); |
| 612 | notify->setInt32("audio", static_cast<int32_t>(audio)); |
| 613 | notify->post(); |
| 614 | } |
| 615 | |
| 616 | bool DashPlayer::Renderer::dropBufferWhileFlushing( |
| 617 | bool audio, const sp<AMessage> &msg) { |
| 618 | bool flushing = false; |
| 619 | |
| 620 | { |
| 621 | Mutex::Autolock autoLock(mFlushLock); |
| 622 | if (audio) { |
| 623 | flushing = mFlushingAudio; |
| 624 | } else { |
| 625 | flushing = mFlushingVideo; |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | if (!flushing) { |
| 630 | return false; |
| 631 | } |
| 632 | |
| 633 | sp<AMessage> notifyConsumed; |
| 634 | if (msg->findMessage("notifyConsumed", ¬ifyConsumed)) { |
| 635 | notifyConsumed->post(); |
| 636 | } |
| 637 | |
| 638 | return true; |
| 639 | } |
| 640 | |
| 641 | void DashPlayer::Renderer::onAudioSinkChanged() { |
| 642 | CHECK(!mDrainAudioQueuePending); |
| 643 | mNumFramesWritten = 0; |
| 644 | uint32_t written; |
| 645 | if (mAudioSink->getFramesWritten(&written) == OK) { |
| 646 | mNumFramesWritten = written; |
| 647 | } |
| 648 | } |
| 649 | |
Surajit Podder | 1b76311 | 2013-05-22 14:16:51 +0530 | [diff] [blame] | 650 | void DashPlayer::Renderer::notifyPosition(bool isEOS) { |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 651 | if (mAnchorTimeRealUs < 0 || mAnchorTimeMediaUs < 0) { |
| 652 | return; |
| 653 | } |
| 654 | |
| 655 | int64_t nowUs = ALooper::GetNowUs(); |
| 656 | |
Surajit Podder | 1b76311 | 2013-05-22 14:16:51 +0530 | [diff] [blame] | 657 | if ((!isEOS) && (mLastPositionUpdateUs >= 0 |
| 658 | && nowUs < mLastPositionUpdateUs + kMinPositionUpdateDelayUs)) { |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 659 | return; |
| 660 | } |
| 661 | mLastPositionUpdateUs = nowUs; |
| 662 | |
Surajit Podder | c72631d | 2013-08-20 14:26:43 +0530 | [diff] [blame] | 663 | int64_t positionUs = (mSeekTimeUs != 0) ? mSeekTimeUs : ((nowUs - mAnchorTimeRealUs) + mAnchorTimeMediaUs); |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 664 | |
| 665 | sp<AMessage> notify = mNotify->dup(); |
| 666 | notify->setInt32("what", kWhatPosition); |
| 667 | notify->setInt64("positionUs", positionUs); |
| 668 | notify->setInt64("videoLateByUs", mVideoLateByUs); |
| 669 | notify->post(); |
| 670 | } |
| 671 | |
Surajit Podder | c72631d | 2013-08-20 14:26:43 +0530 | [diff] [blame] | 672 | void DashPlayer::Renderer::notifySeekPosition(int64_t seekTime){ |
| 673 | mSeekTimeUs = seekTime; |
| 674 | int64_t nowUs = ALooper::GetNowUs(); |
| 675 | mLastPositionUpdateUs = nowUs; |
| 676 | sp<AMessage> notify = mNotify->dup(); |
| 677 | notify->setInt32("what", kWhatPosition); |
| 678 | notify->setInt64("positionUs", seekTime); |
| 679 | notify->setInt64("videoLateByUs", mVideoLateByUs); |
| 680 | notify->post(); |
| 681 | |
| 682 | } |
| 683 | |
| 684 | |
Ajit Khare | 73cfaf4 | 2013-01-07 23:28:47 -0800 | [diff] [blame] | 685 | void DashPlayer::Renderer::onPause() { |
| 686 | CHECK(!mPaused); |
| 687 | |
| 688 | mDrainAudioQueuePending = false; |
| 689 | ++mAudioQueueGeneration; |
| 690 | |
| 691 | mDrainVideoQueuePending = false; |
| 692 | ++mVideoQueueGeneration; |
| 693 | |
| 694 | if (mHasAudio) { |
| 695 | mAudioSink->pause(); |
| 696 | } |
| 697 | |
| 698 | ALOGV("now paused audio queue has %d entries, video has %d entries", |
| 699 | mAudioQueue.size(), mVideoQueue.size()); |
| 700 | |
| 701 | mPaused = true; |
| 702 | mWasPaused = true; |
| 703 | |
| 704 | if(mStats != NULL) { |
| 705 | int64_t positionUs; |
| 706 | if(mAnchorTimeRealUs < 0 || mAnchorTimeMediaUs < 0) { |
| 707 | positionUs = -1000; |
| 708 | } else { |
| 709 | int64_t nowUs = ALooper::GetNowUs(); |
| 710 | positionUs = (nowUs - mAnchorTimeRealUs) + mAnchorTimeMediaUs; |
| 711 | } |
| 712 | |
| 713 | mStats->logPause(positionUs); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | void DashPlayer::Renderer::onResume() { |
| 718 | if (!mPaused) { |
| 719 | return; |
| 720 | } |
| 721 | |
| 722 | if (mHasAudio) { |
| 723 | mAudioSink->start(); |
| 724 | } |
| 725 | |
| 726 | mPaused = false; |
| 727 | |
| 728 | if (!mAudioQueue.empty()) { |
| 729 | postDrainAudioQueue(); |
| 730 | } |
| 731 | |
| 732 | if (!mVideoQueue.empty()) { |
| 733 | postDrainVideoQueue(); |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | void DashPlayer::Renderer::registerStats(sp<DashPlayerStats> stats) { |
| 738 | if(mStats != NULL) { |
| 739 | mStats = NULL; |
| 740 | } |
| 741 | mStats = stats; |
| 742 | } |
| 743 | |
| 744 | status_t DashPlayer::Renderer::setMediaPresence(bool audio, bool bValue) |
| 745 | { |
| 746 | if (audio) |
| 747 | { |
| 748 | ALOGV("mHasAudio set to %d from %d",bValue,mHasAudio); |
| 749 | mHasAudio = bValue; |
| 750 | } |
| 751 | else |
| 752 | { |
| 753 | ALOGV("mHasVideo set to %d from %d",bValue,mHasVideo); |
| 754 | mHasVideo = bValue; |
| 755 | } |
| 756 | return OK; |
| 757 | } |
| 758 | |
| 759 | } // namespace android |
| 760 | |