|  | // Copyright 2017 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #include "media/audio/test_audio_thread.h" | 
|  |  | 
|  | #include "base/run_loop.h" | 
|  | #include "base/threading/thread_task_runner_handle.h" | 
|  |  | 
|  | namespace media { | 
|  |  | 
|  | TestAudioThread::TestAudioThread() : TestAudioThread(false) {} | 
|  |  | 
|  | TestAudioThread::TestAudioThread(bool use_real_thread) { | 
|  | if (use_real_thread) { | 
|  | thread_ = std::make_unique<base::Thread>("AudioThread"); | 
|  | #if defined(OS_WIN) | 
|  | thread_->init_com_with_mta(true); | 
|  | #endif | 
|  | CHECK(thread_->Start()); | 
|  | task_runner_ = thread_->task_runner(); | 
|  | } else { | 
|  | task_runner_ = base::ThreadTaskRunnerHandle::Get(); | 
|  | } | 
|  | } | 
|  |  | 
|  | TestAudioThread::~TestAudioThread() { | 
|  | DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); | 
|  | } | 
|  |  | 
|  | void TestAudioThread::Stop() { | 
|  | DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); | 
|  | if (thread_) | 
|  | thread_->Stop(); | 
|  | else | 
|  | base::RunLoop().RunUntilIdle(); | 
|  | } | 
|  |  | 
|  | bool TestAudioThread::IsHung() const { | 
|  | DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | base::SingleThreadTaskRunner* TestAudioThread::GetTaskRunner() { | 
|  | return task_runner_.get(); | 
|  | } | 
|  |  | 
|  | base::SingleThreadTaskRunner* TestAudioThread::GetWorkerTaskRunner() { | 
|  | return task_runner_.get(); | 
|  | } | 
|  |  | 
|  | }  // namespace media |