Add a virtual beamforming audio device on ChromeOS.

media/audio/android/audio_manager_android.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/android/audio_manager_android.h"
 
 #include "base/android/build_info.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 122 matching lines @@
       ChannelLayoutToChannelCount(channel_layout));
   buffer_size = buffer_size <= 0 ? kDefaultInputBufferSize : buffer_size;
   int effects = AudioParameters::NO_EFFECTS;
   effects |= Java_AudioManagerAndroid_shouldUseAcousticEchoCanceler(env) ?
       AudioParameters::ECHO_CANCELLER : AudioParameters::NO_EFFECTS;
 
   int user_buffer_size = GetUserBufferSize();
   if (user_buffer_size)
     buffer_size = user_buffer_size;
 
-  AudioParameters params(
-      AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
-      GetNativeOutputSampleRate(), 16, buffer_size, effects);
+  AudioParameters params(AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
+                         GetNativeOutputSampleRate(), 16, buffer_size, "",
+                         effects);
   return params;
 }
 
 AudioOutputStream* AudioManagerAndroid::MakeAudioOutputStream(
     const AudioParameters& params,
     const std::string& device_id) {
   DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   AudioOutputStream* stream =
       AudioManagerBase::MakeAudioOutputStream(params, std::string());
   streams_.insert(static_cast<OpenSLESOutputStream*>(stream));
@@ skipping 249 matching lines @@
   output_volume_override_ = volume;
 
   DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   for (OutputStreams::iterator it = streams_.begin();
        it != streams_.end(); ++it) {
     (*it)->SetVolume(volume);
   }
 }
 
 }  // namespace media