Disable low latency audio under remote desktop sessions.

media/audio/win/core_audio_util_win.h

 // 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.
 
 // Utility methods for the Core Audio API on Windows.
 // Always ensure that Core Audio is supported before using these methods.
 // Use media::CoreAudioUtil::IsSupported() for this purpose.
 // Also, all methods must be called on a valid COM thread. This can be done
 // by using the base::win::ScopedCOMInitializer helper class.
 
@@ skipping 211 matching lines @@
   // input data from a capture endpoint buffer.
   static ScopedComPtr<IAudioCaptureClient> CreateCaptureClient(
       IAudioClient* client);
 
   // Fills up the endpoint rendering buffer with silence for an existing
   // IAudioClient given by |client| and a corresponding IAudioRenderClient
   // given by |render_client|.
   static bool FillRenderEndpointBufferWithSilence(
       IAudioClient* client, IAudioRenderClient* render_client);
 
+  // Returns true if the given output device is a remote audio endpoint.
+  static bool IsRemoteOutputDevice(const std::string& device_id);
+
  private:
   CoreAudioUtil() {}
   ~CoreAudioUtil() {}
   DISALLOW_COPY_AND_ASSIGN(CoreAudioUtil);
 };
 
 // The special audio session identifier we use when opening up the default
 // communication device.  This has the effect that a separate volume control
 // will be shown in the system's volume mixer and control over ducking and
 // visually observing the behavior of ducking, is easier.
 // Use with |SharedModeInitialize|.
 extern const GUID kCommunicationsSessionId;
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_WIN_CORE_AUDIO_UTIL_WIN_H_