blob: 4f7b07c135c08e954c2c7eb899b5d4a476bc9eb5 [file] [log] [blame]
// Copyright 2016 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/audio_thread_impl.h"
#include "base/message_loop/message_pump_type.h"
#include "base/optional.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/default_tick_clock.h"
#include "build/build_config.h"
#include "media/audio/audio_thread_hang_monitor.h"
namespace media {
: thread_("AudioThread"),
hang_monitor_(nullptr, base::OnTaskRunnerDeleter(nullptr)) {
base::Thread::Options thread_options;
#if defined(OS_WIN)
#elif defined(OS_FUCHSIA)
// FIDL-based APIs require async_t, which is initialized on IO thread.
thread_options.message_pump_type = base::MessagePumpType::IO;
#if defined(OS_MACOSX)
// On Mac, the audio task runner must belong to the main thread.
// See
task_runner_ = base::ThreadTaskRunnerHandle::Get();
task_runner_ = thread_.task_runner();
worker_task_runner_ = thread_.task_runner();
#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
// Since we run on the main thread on Mac, we don't need a hang monitor.
// The hang monitor possibly causes crashes on
// Android
hang_monitor_ = AudioThreadHangMonitor::Create(
AudioThreadHangMonitor::HangAction::kDoNothing, base::nullopt,
base::DefaultTickClock::GetInstance(), task_runner_);
AudioThreadImpl::~AudioThreadImpl() {
void AudioThreadImpl::Stop() {
// Note that on MACOSX, we can still have tasks posted on the |task_runner_|,
// since it is the main thread task runner and we do not stop the main thread.
// But this is fine becuase none of those tasks will actually run.
bool AudioThreadImpl::IsHung() const {
return hang_monitor_ ? hang_monitor_->IsAudioThreadHung() : false;
base::SingleThreadTaskRunner* AudioThreadImpl::GetTaskRunner() {
return task_runner_.get();
base::SingleThreadTaskRunner* AudioThreadImpl::GetWorkerTaskRunner() {
return worker_task_runner_.get();
} // namespace media