Switch to STA mode for audio thread and WASAPI I/O streams.

media/audio/win/core_audio_util_win.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/win/core_audio_util_win.h"
 
 #include <audioclient.h>
 #include <devicetopology.h>
 #include <functiondiscoverykeys_devpkey.h>
 
@@ skipping 160 matching lines @@
 static ScopedComPtr<IMMDeviceEnumerator> CreateDeviceEnumeratorInternal() {
   ScopedComPtr<IMMDeviceEnumerator> device_enumerator;
   HRESULT hr = device_enumerator.CreateInstance(__uuidof(MMDeviceEnumerator),
                                                 NULL, CLSCTX_INPROC_SERVER);
   if (hr == CO_E_NOTINITIALIZED) {
     LOG(ERROR) << "CoCreateInstance fails with CO_E_NOTINITIALIZED";
     // We have seen crashes which indicates that this method can in fact
     // fail with CO_E_NOTINITIALIZED in combination with certain 3rd party
     // modules. Calling CoInitializeEx is an attempt to resolve the reported
     // issues. See http://crbug.com/378465 for details.
-    hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
+    hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
     if (SUCCEEDED(hr)) {
-      hr = device_enumerator.CreateInstance(__uuidof(MMDeviceEnumerator),
-                                            NULL, CLSCTX_INPROC_SERVER);
+      hr = device_enumerator.CreateInstance(__uuidof(MMDeviceEnumerator), NULL,
+                                            CLSCTX_INPROC_SERVER);
+    } else {
+      LOG(ERROR) << "CoCreateInstance still failed! " << std::hex << hr;
     }
   }
   return device_enumerator;
 }
 
 static bool IsRemoteSession() {
   return !!GetSystemMetrics(SM_REMOTESESSION);
 }
 
 static bool IsRemoteDeviceInternal(IMMDevice* device) {
@@ skipping 716 matching lines @@
   if (!IsRemoteSession())
     return false;
   ScopedComPtr<IMMDevice> device(device_id.empty()
                                      ? CreateDefaultDevice(eRender, eConsole)
                                      : CreateDevice(device_id));
   // Assume remote audio if we can't tell.
   return device ? IsRemoteDeviceInternal(device.get()) : true;
 }
 
 }  // namespace media