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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "media/base/composite_filter.h" | |
| 6 | |
| 7 #include "base/stl_util-inl.h" | |
| 8 #include "media/base/callback.h" | |
| 9 | |
| 10 namespace media { | |
| 11 | |
| 12 class CompositeFilter::FilterHostImpl : public FilterHost { | |
| 13 public: | |
| 14 FilterHostImpl(CompositeFilter* parent, FilterHost* host); | |
| 15 | |
| 16 FilterHost* host(); | |
| 17 | |
| 18 // media::FilterHost methods. | |
| 19 virtual void SetError(PipelineError error); | |
| 20 virtual base::TimeDelta GetTime() const; | |
| 21 virtual base::TimeDelta GetDuration() const; | |
| 22 virtual void SetTime(base::TimeDelta time); | |
| 23 virtual void SetDuration(base::TimeDelta duration); | |
| 24 virtual void SetBufferedTime(base::TimeDelta buffered_time); | |
| 25 virtual void SetTotalBytes(int64 total_bytes); | |
| 26 virtual void SetBufferedBytes(int64 buffered_bytes); | |
| 27 virtual void SetVideoSize(size_t width, size_t height); | |
| 28 virtual void SetStreaming(bool streaming); | |
| 29 virtual void NotifyEnded(); | |
| 30 virtual void SetLoaded(bool loaded); | |
| 31 virtual void SetNetworkActivity(bool network_activity); | |
| 32 virtual void DisableAudioRenderer(); | |
| 33 virtual void SetCurrentReadPosition(int64 offset); | |
| 34 virtual int64 GetCurrentReadPosition(); | |
| 35 | |
| 36 private: | |
| 37 CompositeFilter* parent_; | |
| 38 FilterHost* host_; | |
| 39 | |
| 40 DISALLOW_COPY_AND_ASSIGN(FilterHostImpl); | |
| 41 }; | |
| 42 | |
| 43 CompositeFilter::CompositeFilter(MessageLoop* message_loop) { | |
| 44 Init(message_loop, NULL); | |
| 45 } | |
| 46 | |
| 47 CompositeFilter::CompositeFilter(MessageLoop* message_loop, | |
| 48 ThreadFactoryFunction thread_factory) { | |
| 49 DCHECK(thread_factory); | |
| 50 Init(message_loop, thread_factory); | |
| 51 } | |
| 52 | |
| 53 void CompositeFilter::Init(MessageLoop* message_loop, | |
| 54 ThreadFactoryFunction thread_factory) { | |
| 55 DCHECK(message_loop); | |
| 56 message_loop_ = message_loop; | |
| 57 thread_factory_ = thread_factory; | |
| 58 | |
| 59 if (!thread_factory_) { | |
| 60 thread_factory_ = &CompositeFilter::DefaultThreadFactory; | |
| 61 } | |
| 62 | |
| 63 state_ = kCreated; | |
| 64 sequence_index_ = 0; | |
| 65 error_ = PIPELINE_OK; | |
| 66 } | |
| 67 | |
| 68 CompositeFilter::~CompositeFilter() { | |
| 69 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 70 DCHECK(state_ == kCreated || state_ == kStopped); | |
| 71 | |
| 72 // Stop every running filter thread. | |
| 73 for (FilterThreadVector::iterator iter = filter_threads_.begin(); | |
| 74 iter != filter_threads_.end(); | |
| 75 ++iter) { | |
| 76 (*iter)->Stop(); | |
| 77 } | |
| 78 | |
| 79 // Reset the pipeline, which will decrement a reference to this object. | |
| 80 // We will get destroyed as soon as the remaining tasks finish executing. | |
| 81 // To be safe, we'll set our pipeline reference to NULL. | |
| 82 filters_.clear(); | |
| 83 STLDeleteElements(&filter_threads_); | |
| 84 } | |
| 85 | |
| 86 bool CompositeFilter::AddFilter(scoped_refptr<Filter> filter) { | |
| 87 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 88 if (!filter.get() || state_ != kCreated || !host()) | |
| 89 return false; | |
| 90 | |
| 91 // Create a dedicated thread for this filter if applicable. | |
| 92 if (filter->requires_message_loop()) { | |
| 93 scoped_ptr<base::Thread> thread( | |
| 94 thread_factory_(filter->message_loop_name())); | |
| 95 | |
| 96 if (!thread.get() || !thread->Start()) { | |
| 97 return false; | |
| 98 } | |
| 99 | |
| 100 filter->set_message_loop(thread->message_loop()); | |
| 101 filter_threads_.push_back(thread.release()); | |
| 102 } | |
| 103 | |
| 104 // Register ourselves as the filter's host. | |
| 105 filter->set_host(host_impl_.get()); | |
| 106 filters_.push_back(make_scoped_refptr(filter.get())); | |
| 107 return true; | |
| 108 } | |
| 109 | |
| 110 const char* CompositeFilter::major_mime_type() const { | |
| 111 return ""; | |
| 112 } | |
| 113 | |
| 114 void CompositeFilter::set_host(FilterHost* host) { | |
| 115 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 116 DCHECK(host); | |
| 117 DCHECK(!host_impl_.get()); | |
| 118 host_impl_.reset(new FilterHostImpl(this, host)); | |
| 119 } | |
| 120 | |
| 121 FilterHost* CompositeFilter::host() { | |
| 122 return host_impl_.get() ? host_impl_->host() : NULL; | |
| 123 } | |
| 124 | |
| 125 bool CompositeFilter::requires_message_loop() const { | |
| 126 return false; | |
| 127 } | |
| 128 | |
| 129 const char* CompositeFilter::message_loop_name() const { | |
| 130 return "CompositeFilter"; | |
| 131 } | |
| 132 | |
| 133 void CompositeFilter::set_message_loop(MessageLoop* message_loop) { | |
| 134 NOTREACHED() << "Message loop should not be set."; | |
| 135 } | |
| 136 | |
| 137 MessageLoop* CompositeFilter::message_loop() { | |
| 138 return NULL; | |
| 139 } | |
| 140 | |
| 141 void CompositeFilter::Play(FilterCallback* play_callback) { | |
| 142 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 143 scoped_ptr<FilterCallback> callback(play_callback); | |
| 144 if (callback_.get()) { | |
| 145 SendErrorToHost(PIPELINE_ERROR_OPERATION_PENDING); | |
| 146 callback->Run(); | |
| 147 return; | |
| 148 } else if (state_ == kPlaying) { | |
| 149 callback->Run(); | |
| 150 return; | |
| 151 } else if (!host() || (state_ != kPaused && state_ != kCreated)) { | |
| 152 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 153 callback->Run(); | |
| 154 return; | |
| 155 } | |
| 156 | |
| 157 ChangeState(kPlayPending); | |
| 158 callback_.reset(callback.release()); | |
| 159 StartSerialCallSequence(); | |
| 160 } | |
| 161 | |
| 162 void CompositeFilter::Pause(FilterCallback* pause_callback) { | |
| 163 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 164 scoped_ptr<FilterCallback> callback(pause_callback); | |
| 165 if (callback_.get()) { | |
| 166 SendErrorToHost(PIPELINE_ERROR_OPERATION_PENDING); | |
| 167 callback->Run(); | |
| 168 return; | |
| 169 } else if (state_ == kPaused) { | |
| 170 callback->Run(); | |
| 171 return; | |
| 172 } else if (!host() || state_ != kPlaying) { | |
| 173 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 174 callback->Run(); | |
| 175 return; | |
| 176 } | |
| 177 | |
| 178 ChangeState(kPausePending); | |
| 179 callback_.reset(callback.release()); | |
| 180 StartSerialCallSequence(); | |
| 181 } | |
| 182 | |
| 183 void CompositeFilter::Flush(FilterCallback* flush_callback) { | |
| 184 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 185 scoped_ptr<FilterCallback> callback(flush_callback); | |
| 186 if (callback_.get()) { | |
| 187 SendErrorToHost(PIPELINE_ERROR_OPERATION_PENDING); | |
| 188 callback->Run(); | |
| 189 return; | |
| 190 } else if (!host() || (state_ != kCreated && state_ != kPaused)) { | |
| 191 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 192 callback->Run(); | |
| 193 return; | |
| 194 } | |
| 195 | |
| 196 ChangeState(kFlushPending); | |
| 197 callback_.reset(callback.release()); | |
| 198 StartParallelCallSequence(); | |
| 199 } | |
| 200 | |
| 201 void CompositeFilter::Stop(FilterCallback* stop_callback) { | |
| 202 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 203 scoped_ptr<FilterCallback> callback(stop_callback); | |
| 204 if (!host()) { | |
| 205 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 206 callback->Run(); | |
| 207 return; | |
| 208 } else if (state_ == kStopped) { | |
| 209 callback->Run(); | |
| 210 return; | |
| 211 } | |
| 212 | |
| 213 switch(state_) { | |
| 214 case kError: | |
| 215 case kCreated: | |
| 216 case kPaused: | |
| 217 case kPlaying: | |
| 218 ChangeState(kStopPending); | |
| 219 break; | |
| 220 case kPlayPending: | |
| 221 ChangeState(kStopWhilePlayPending); | |
| 222 break; | |
| 223 case kPausePending: | |
| 224 ChangeState(kStopWhilePausePending); | |
| 225 break; | |
| 226 case kFlushPending: | |
| 227 ChangeState(kStopWhileFlushPending); | |
| 228 break; | |
| 229 case kSeekPending: | |
| 230 ChangeState(kStopWhileSeekPending); | |
| 231 break; | |
| 232 default: | |
| 233 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 234 callback->Run(); | |
| 235 return; | |
| 236 } | |
| 237 | |
| 238 callback_.reset(callback.release()); | |
| 239 if (state_ == kStopPending) { | |
| 240 StartSerialCallSequence(); | |
| 241 } | |
| 242 } | |
| 243 | |
| 244 void CompositeFilter::SetPlaybackRate(float playback_rate) { | |
| 245 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 246 for (FilterVector::iterator iter = filters_.begin(); | |
| 247 iter != filters_.end(); | |
| 248 ++iter) { | |
| 249 (*iter)->SetPlaybackRate(playback_rate); | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 void CompositeFilter::Seek(base::TimeDelta time, | |
| 254 FilterCallback* seek_callback) { | |
| 255 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 256 scoped_ptr<FilterCallback> callback(seek_callback); | |
| 257 if (callback_.get()) { | |
| 258 SendErrorToHost(PIPELINE_ERROR_OPERATION_PENDING); | |
| 259 callback->Run(); | |
| 260 return; | |
| 261 } else if (!host() || (state_ != kPaused && state_ != kCreated)) { | |
| 262 SendErrorToHost(PIPELINE_ERROR_INVALID_STATE); | |
| 263 callback->Run(); | |
| 264 return; | |
| 265 } | |
| 266 | |
| 267 ChangeState(kSeekPending); | |
| 268 callback_.reset(callback.release()); | |
| 269 pending_seek_time_ = time; | |
| 270 StartSerialCallSequence(); | |
| 271 } | |
| 272 | |
| 273 void CompositeFilter::OnAudioRendererDisabled() { | |
| 274 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 275 for (FilterVector::iterator iter = filters_.begin(); | |
| 276 iter != filters_.end(); | |
| 277 ++iter) { | |
| 278 (*iter)->OnAudioRendererDisabled(); | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 base::Thread* CompositeFilter::DefaultThreadFactory( | |
| 283 const char* thread_name) { | |
| 284 return new base::Thread(thread_name); | |
| 285 } | |
| 286 | |
| 287 void CompositeFilter::ChangeState(State new_state) { | |
| 288 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 289 state_ = new_state; | |
| 290 } | |
| 291 | |
| 292 void CompositeFilter::StartSerialCallSequence() { | |
| 293 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 294 error_ = PIPELINE_OK; | |
| 295 | |
| 296 if (filters_.size() > 0) { | |
| 297 sequence_index_ = 0; | |
| 298 CallFilter(filters_[sequence_index_], | |
| 299 NewThreadSafeCallback(&CompositeFilter::SerialCallback)); | |
| 300 } else { | |
| 301 sequence_index_ = 0; | |
| 302 SerialCallback(); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 void CompositeFilter::StartParallelCallSequence() { | |
| 307 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 308 error_ = PIPELINE_OK; | |
| 309 | |
| 310 if (filters_.size() > 0) { | |
| 311 sequence_index_ = 0; | |
| 312 for (size_t i = 0; i < filters_.size(); i++) { | |
| 313 CallFilter(filters_[i], | |
| 314 NewThreadSafeCallback(&CompositeFilter::ParallelCallback)); | |
| 315 } | |
| 316 } else { | |
| 317 sequence_index_ = 0; | |
| 318 ParallelCallback(); | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 void CompositeFilter::CallFilter(scoped_refptr<Filter>& filter, | |
| 323 FilterCallback* callback) { | |
| 324 switch(state_) { | |
| 325 case kPlayPending: | |
| 326 filter->Play(callback); | |
| 327 break; | |
| 328 case kPausePending: | |
| 329 filter->Pause(callback); | |
| 330 break; | |
| 331 case kFlushPending: | |
| 332 filter->Flush(callback); | |
| 333 break; | |
| 334 case kStopPending: | |
| 335 filter->Stop(callback); | |
| 336 break; | |
| 337 case kSeekPending: | |
| 338 filter->Seek(pending_seek_time_, callback); | |
| 339 break; | |
| 340 default: | |
| 341 delete callback; | |
| 342 ChangeState(kError); | |
| 343 HandleError(PIPELINE_ERROR_INVALID_STATE); | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 void CompositeFilter::DispatchPendingCallback() { | |
| 348 if (callback_.get()) { | |
| 349 scoped_ptr<FilterCallback> callback(callback_.release()); | |
| 350 callback->Run(); | |
| 351 } | |
| 352 } | |
| 353 | |
| 354 CompositeFilter::State CompositeFilter::GetNextState(State state) const { | |
| 355 State ret = kInvalid; | |
| 356 switch (state) { | |
| 357 case kPlayPending: | |
| 358 ret = kPlaying; | |
| 359 break; | |
| 360 case kPausePending: | |
| 361 ret = kPaused; | |
| 362 case kFlushPending: | |
| 363 ret = kPaused; | |
| 364 break; | |
| 365 case kStopPending: | |
| 366 ret = kStopped; | |
| 367 break; | |
| 368 case kSeekPending: | |
| 369 ret = kPaused; | |
| 370 break; | |
| 371 case kStopWhilePlayPending: | |
| 372 case kStopWhilePausePending: | |
| 373 case kStopWhileFlushPending: | |
| 374 case kStopWhileSeekPending: | |
| 375 ret = kStopPending; | |
| 376 break; | |
| 377 | |
| 378 case kInvalid: | |
| 379 case kCreated: | |
| 380 case kPlaying: | |
| 381 case kPaused: | |
| 382 case kStopped: | |
| 383 case kError: | |
| 384 ret = kInvalid; | |
| 385 break; | |
| 386 | |
| 387 // default: intentionally left out to catch missing states. | |
| 388 } | |
| 389 | |
| 390 return ret; | |
| 391 } | |
| 392 | |
| 393 void CompositeFilter::SerialCallback() { | |
| 394 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 395 if (error_ != PIPELINE_OK) { | |
| 396 // We encountered an error. Terminate the sequence now. | |
| 397 ChangeState(kError); | |
| 398 HandleError(error_); | |
| 399 return; | |
| 400 } | |
| 401 | |
| 402 if (filters_.size() > 0) | |
| 403 sequence_index_++; | |
| 404 | |
| 405 if (sequence_index_ == filters_.size()) { | |
| 406 // All filters have been successfully called without error. | |
| 407 OnCallSequenceDone(); | |
| 408 } else if (GetNextState(state_) == kStopPending) { | |
| 409 // Abort sequence early and start issuing Stop() calls. | |
| 410 ChangeState(kStopPending); | |
| 411 StartSerialCallSequence(); | |
| 412 } else { | |
| 413 // We aren't done with the sequence. Call the next filter. | |
| 414 CallFilter(filters_[sequence_index_], | |
| 415 NewThreadSafeCallback(&CompositeFilter::SerialCallback)); | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 void CompositeFilter::ParallelCallback() { | |
| 420 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 421 | |
| 422 if (filters_.size() > 0) | |
| 423 sequence_index_++; | |
| 424 | |
| 425 if (sequence_index_ == filters_.size()) { | |
| 426 if (error_ != PIPELINE_OK) { | |
| 427 // We encountered an error. | |
| 428 ChangeState(kError); | |
| 429 HandleError(error_); | |
| 430 return; | |
| 431 } | |
| 432 | |
| 433 OnCallSequenceDone(); | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 void CompositeFilter::OnCallSequenceDone() { | |
| 438 State next_state = GetNextState(state_); | |
| 439 | |
| 440 if (next_state == kInvalid) { | |
| 441 // We somehow got into an unexpected state. | |
| 442 ChangeState(kError); | |
| 443 HandleError(PIPELINE_ERROR_INVALID_STATE); | |
| 444 } | |
| 445 | |
| 446 ChangeState(next_state); | |
| 447 | |
| 448 if (state_ == kStopPending) { | |
| 449 // Handle a deferred Stop(). | |
| 450 StartSerialCallSequence(); | |
| 451 } else { | |
| 452 // Call the callback to indicate that the operation has completed. | |
| 453 DispatchPendingCallback(); | |
| 454 } | |
| 455 } | |
| 456 | |
| 457 void CompositeFilter::SendErrorToHost(PipelineError error) { | |
| 458 if (host_impl_.get()) | |
| 459 host_impl_.get()->host()->SetError(error); | |
| 460 } | |
| 461 | |
| 462 void CompositeFilter::HandleError(PipelineError error) { | |
| 463 if (error != PIPELINE_OK) { | |
| 464 SendErrorToHost(error); | |
| 465 } | |
| 466 | |
| 467 DispatchPendingCallback(); | |
| 468 } | |
| 469 | |
| 470 FilterCallback* CompositeFilter::NewThreadSafeCallback( | |
| 471 void (CompositeFilter::*method)()) { | |
| 472 return TaskToCallbackAdapter::NewCallback( | |
| 473 NewRunnableMethod(this, | |
| 474 &CompositeFilter::OnCallback, | |
| 475 message_loop_, | |
| 476 method)); | |
| 477 } | |
| 478 | |
| 479 void CompositeFilter::OnCallback(MessageLoop* message_loop, | |
| 480 void (CompositeFilter::*method)()) { | |
| 481 if (MessageLoop::current() != message_loop) { | |
| 482 // Posting callback to the proper thread. | |
| 483 message_loop->PostTask(FROM_HERE, NewRunnableMethod(this, method)); | |
| 484 return; | |
| 485 } | |
| 486 | |
| 487 (this->*method)(); | |
| 488 } | |
| 489 | |
| 490 bool CompositeFilter::CanForwardError() { | |
| 491 return (state_ == kCreated) || (state_ == kPlaying) || (state_ == kPaused); | |
| 492 } | |
| 493 | |
| 494 void CompositeFilter::SetError(PipelineError error) { | |
| 495 // TODO(acolwell): Temporary hack to handle errors that occur | |
| 496 // during filter initialization. In this case we just forward | |
| 497 // the error to the host even if it is on the wrong thread. We | |
| 498 // have to do this because if we defer the call, we can't be | |
| 499 // sure the host will get the error before the "init done" callback | |
| 500 // is executed. This will be cleaned up when filter init is refactored. | |
| 501 if (state_ == kCreated) { | |
| 502 SendErrorToHost(error); | |
| 503 return; | |
| 504 } | |
| 505 | |
| 506 if (message_loop_ != MessageLoop::current()) { | |
| 507 message_loop_->PostTask(FROM_HERE, | |
| 508 NewRunnableMethod(this, &CompositeFilter::SetError, error)); | |
| 509 return; | |
| 510 } | |
| 511 | |
| 512 DCHECK_EQ(message_loop_, MessageLoop::current()); | |
| 513 | |
| 514 // Drop errors recieved while stopping or stopped. | |
| 515 // This shields the owner of this object from having | |
| 516 // to deal with errors it can't do anything about. | |
| 517 if (state_ == kStopPending || state_ == kStopped) | |
| 518 return; | |
| 519 | |
| 520 error_ = error; | |
| 521 if (CanForwardError()) | |
| 522 SendErrorToHost(error); | |
| 523 } | |
| 524 | |
| 525 CompositeFilter::FilterHostImpl::FilterHostImpl(CompositeFilter* parent, | |
| 526 FilterHost* host) : | |
| 527 parent_(parent), | |
| 528 host_(host) { | |
| 529 } | |
| 530 | |
| 531 FilterHost* CompositeFilter::FilterHostImpl::host() { | |
| 532 return host_; | |
| 533 } | |
| 534 | |
| 535 // media::FilterHost methods. | |
| 536 void CompositeFilter::FilterHostImpl::SetError(PipelineError error) { | |
| 537 parent_->SetError(error); | |
| 538 } | |
| 539 | |
| 540 base::TimeDelta CompositeFilter::FilterHostImpl::GetTime() const { | |
| 541 return host_->GetTime(); | |
| 542 } | |
| 543 | |
| 544 base::TimeDelta CompositeFilter::FilterHostImpl::GetDuration() const { | |
| 545 return host_->GetDuration(); | |
| 546 } | |
| 547 | |
| 548 void CompositeFilter::FilterHostImpl::SetTime(base::TimeDelta time) { | |
| 549 host_->SetTime(time); | |
| 550 } | |
| 551 | |
| 552 void CompositeFilter::FilterHostImpl::SetDuration(base::TimeDelta duration) { | |
| 553 host_->SetDuration(duration); | |
| 554 } | |
| 555 | |
| 556 void CompositeFilter::FilterHostImpl::SetBufferedTime( | |
| 557 base::TimeDelta buffered_time) { | |
| 558 host_->SetBufferedTime(buffered_time); | |
| 559 } | |
| 560 | |
| 561 void CompositeFilter::FilterHostImpl::SetTotalBytes(int64 total_bytes) { | |
| 562 host_->SetTotalBytes(total_bytes); | |
| 563 } | |
| 564 | |
| 565 void CompositeFilter::FilterHostImpl::SetBufferedBytes(int64 buffered_bytes) { | |
| 566 host_->SetBufferedBytes(buffered_bytes); | |
| 567 } | |
| 568 | |
| 569 void CompositeFilter::FilterHostImpl::SetVideoSize(size_t width, | |
| 570 size_t height) { | |
| 571 host_->SetVideoSize(width, height); | |
| 572 } | |
| 573 | |
| 574 void CompositeFilter::FilterHostImpl::SetStreaming(bool streaming) { | |
| 575 host_->SetStreaming(streaming); | |
| 576 } | |
| 577 | |
| 578 void CompositeFilter::FilterHostImpl::NotifyEnded() { | |
| 579 host_->NotifyEnded(); | |
| 580 } | |
| 581 | |
| 582 void CompositeFilter::FilterHostImpl::SetLoaded(bool loaded) { | |
| 583 host_->SetLoaded(loaded); | |
| 584 } | |
| 585 | |
| 586 void CompositeFilter::FilterHostImpl::SetNetworkActivity( | |
| 587 bool network_activity) { | |
| 588 host_->SetNetworkActivity(network_activity); | |
| 589 } | |
| 590 | |
| 591 void CompositeFilter::FilterHostImpl::DisableAudioRenderer() { | |
| 592 host_->DisableAudioRenderer(); | |
| 593 } | |
| 594 | |
| 595 void CompositeFilter::FilterHostImpl::SetCurrentReadPosition(int64 offset) { | |
| 596 host_->SetCurrentReadPosition(offset); | |
| 597 } | |
| 598 | |
| 599 int64 CompositeFilter::FilterHostImpl::GetCurrentReadPosition() { | |
| 600 return host_->GetCurrentReadPosition(); | |
| 601 } | |
| 602 | |
| 603 } // namespace media | |
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Chromium Code Reviews
Issue 6026013:
Revert 70267 - Refactor PipelineImpl to use CompositeFilter to manage Filter ... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/