Implement HasInputDevices in CrasAudioManager

media/audio/cras/audio_manager_cras.cc

 // Copyright 2013 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/cras/audio_manager_cras.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/environment.h"
@@ skipping 31 matching lines @@
 static const int kMaximumOutputBufferSize = 8192;
 
 // Default input buffer size.
 static const int kDefaultInputBufferSize = 1024;
 
 bool AudioManagerCras::HasAudioOutputDevices() {
   return true;
 }
 
 bool AudioManagerCras::HasAudioInputDevices() {
-  return true;
+  return has_input_devices_;
 }
 
 AudioManagerCras::AudioManagerCras(AudioLogFactory* audio_log_factory)
     : AudioManagerBase(audio_log_factory),
-      has_keyboard_mic_(false) {
+      has_keyboard_mic_(false),
+      has_input_devices_(false) {
   SetMaxOutputStreamsAllowed(kMaxOutputStreams);
 }
 
 AudioManagerCras::~AudioManagerCras() {
   Shutdown();
 }
 
 void AudioManagerCras::ShowAudioInputSettings() {
   NOTIMPLEMENTED();
 }
@@ skipping 24 matching lines @@
   return AudioParameters(
       AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO,
       kDefaultSampleRate, 16, buffer_size, effects);
 }
 
 void AudioManagerCras::SetHasKeyboardMic() {
   DCHECK(GetTaskRunner()->BelongsToCurrentThread());
   has_keyboard_mic_ = true;
 }
 
+void AudioManagerCras::SetHasInputDevices(bool has_input_devices) {
+  DCHECK(GetTaskRunner()->BelongsToCurrentThread());
+  has_input_devices_ = has_input_devices;
+}
+
 AudioOutputStream* AudioManagerCras::MakeLinearOutputStream(
     const AudioParameters& params) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
   return MakeOutputStream(params);
 }
 
 AudioOutputStream* AudioManagerCras::MakeLowLatencyOutputStream(
     const AudioParameters& params,
     const std::string& device_id) {
   DLOG_IF(ERROR, !device_id.empty()) << "Not implemented!";
@@ skipping 60 matching lines @@
     case 24:
       return SND_PCM_FORMAT_S24;
     case 32:
       return SND_PCM_FORMAT_S32;
     default:
       return SND_PCM_FORMAT_UNKNOWN;
   }
 }
 
 }  // namespace media