Introduce AudioRendererSink::IsOptimizedForHardwareParameters

media/audio/audio_output_device.cc

 // Copyright (c) 2012 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_output_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cmath>
@@ skipping 147 matching lines @@
 OutputDeviceInfo AudioOutputDevice::GetOutputDeviceInfo() {
   CHECK(!task_runner()->BelongsToCurrentThread());
   did_receive_auth_.Wait();
   return OutputDeviceInfo(AudioDeviceDescription::UseSessionIdToSelectDevice(
                               session_id_, device_id_)
                               ? matched_device_id_
                               : device_id_,
                           device_status_, output_params_);
 }
 
+bool AudioOutputDevice::IsOptimizedForHardwareParameters() {
+  return true;
+}
+
 bool AudioOutputDevice::CurrentThreadIsRenderingThread() {
   // Since this function is supposed to be called on the rendering thread,
   // it's safe to access |audio_callback_| here. It will always be valid when
   // the rendering thread is running.
   return audio_callback_->CurrentThreadIsAudioDeviceThread();
 }
 
 void AudioOutputDevice::RequestDeviceAuthorizationOnIOThread() {
   DCHECK(task_runner()->BelongsToCurrentThread());
   DCHECK_EQ(state_, IDLE);
@@ skipping 319 matching lines @@
   render_callback_->Render(delay, delay_timestamp, frames_skipped,
                            output_bus_.get());
 }
 
 bool AudioOutputDevice::AudioThreadCallback::
     CurrentThreadIsAudioDeviceThread() {
   return thread_checker_.CalledOnValidThread();
 }
 
 }  // namespace media