Adds thread safety annotations to the AudioDeviceBuffer class

webrtc/modules/audio_device/audio_device_impl.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 1478 matching lines @@
 }
 
 // ----------------------------------------------------------------------------
 //  RegisterAudioCallback
 // ----------------------------------------------------------------------------
 
 int32_t AudioDeviceModuleImpl::RegisterAudioCallback(
     AudioTransport* audioCallback) {
   LOG(INFO) << __FUNCTION__;
   CriticalSectionScoped lock(&_critSectAudioCb);
-  _audioDeviceBuffer.RegisterAudioCallback(audioCallback);
-
-  return 0;
+  return _audioDeviceBuffer.RegisterAudioCallback(audioCallback);
 }
 
 // ----------------------------------------------------------------------------
 //  StartRawInputFileRecording
 // ----------------------------------------------------------------------------
 
 int32_t AudioDeviceModuleImpl::StartRawInputFileRecording(
     const char pcmFileNameUTF8[kAdmMaxFileNameSize]) {
   LOG(INFO) << __FUNCTION__;
   CHECK_INITIALIZED();
@@ skipping 237 matching lines @@
   LOG(INFO) << "output: " << *samplesPerSec;
   return (0);
 }
 
 // ----------------------------------------------------------------------------
 //  ResetAudioDevice
 // ----------------------------------------------------------------------------
 
 int32_t AudioDeviceModuleImpl::ResetAudioDevice() {
   LOG(INFO) << __FUNCTION__;
-  CHECK_INITIALIZED();
-
-  if (_ptrAudioDevice->ResetAudioDevice() == -1) {
-    return -1;
-  }
-
-  return (0);
+  FATAL() << "Should never be called";
+  return -1;
 }
 
 // ----------------------------------------------------------------------------
 //  SetLoudspeakerStatus
 // ----------------------------------------------------------------------------
 
 int32_t AudioDeviceModuleImpl::SetLoudspeakerStatus(bool enable) {
   LOG(INFO) << __FUNCTION__ << "(" << enable << ")";
   CHECK_INITIALIZED();
 
@@ skipping 102 matching lines @@
 //  PlatformAudioLayer
 // ----------------------------------------------------------------------------
 
 AudioDeviceModule::AudioLayer AudioDeviceModuleImpl::PlatformAudioLayer()
     const {
   LOG(INFO) << __FUNCTION__;
   return _platformAudioLayer;
 }
 
 }  // namespace webrtc