Refactor AudioParameters member setting.

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 <devicetopology.h>
 #include <functiondiscoverykeys_devpkey.h>
 
 #include "base/command_line.h"
@@ skipping 754 matching lines @@
   HRESULT hr = GetPreferredAudioParameters(client.get(), params);
   if (FAILED(hr) || is_output_device || !params->IsValid())
     return hr;
 
   // The following functionality is only for input devices.
   DCHECK(!is_output_device);
 
   // TODO(dalecurtis): Old code rewrote != 1 channels to stereo, do we still
   // need to do the same thing?
   if (params->channels() != 1) {
-    params->Reset(params->format(), CHANNEL_LAYOUT_STEREO, 2,
+    params->Reset(params->format(), CHANNEL_LAYOUT_STEREO,
                   params->sample_rate(), params->bits_per_sample(),
                   params->frames_per_buffer());
   }
 
   return hr;
 }
 
 ChannelConfig CoreAudioUtil::GetChannelConfig(const std::string& device_id,
                                               EDataFlow data_flow) {
   ScopedComPtr<IAudioClient> client(
@@ skipping 116 matching lines @@
     return false;
 
   // Using the AUDCLNT_BUFFERFLAGS_SILENT flag eliminates the need to
   // explicitly write silence data to the rendering buffer.
   DVLOG(2) << "filling up " << num_frames_to_fill << " frames with silence";
   return SUCCEEDED(render_client->ReleaseBuffer(num_frames_to_fill,
                                                 AUDCLNT_BUFFERFLAGS_SILENT));
 }
 
 }  // namespace media