Audio software mixer.

content/renderer/media/webrtc_audio_device_impl.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 "content/renderer/media/webrtc_audio_device_impl.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "base/win/windows_version.h"
 #include "content/renderer/media/audio_hardware.h"
@@ skipping 417 matching lines @@
   in_buffer_size = 2 * 480;
   out_buffer_size = 480;
 #else
   DLOG(ERROR) << "Unsupported platform";
   return -1;
 #endif
 
   // Store utilized parameters to ensure that we can check them
   // after a successful initialization.
   output_audio_parameters_.Reset(
-      AudioParameters::AUDIO_PCM_LOW_LATENCY, out_channel_layout,
+      AudioParameters::AUDIO_PCM_LOW_LATENCY, false, out_channel_layout,
       out_sample_rate, 16, out_buffer_size);
 
   input_audio_parameters_.Reset(
-      in_format, input_channel_layout, in_sample_rate,
+      in_format, false, input_channel_layout, in_sample_rate,
       16, in_buffer_size);
 
   // Create and configure the audio capturing client.
   audio_input_device_ = new AudioInputDevice(
       input_audio_parameters_, this, this);
 
   // Create and configure the audio rendering client.
   audio_output_device_ = new AudioDevice(output_audio_parameters_, this);
 
   DCHECK(audio_input_device_);
@@ skipping 535 matching lines @@
 }
 
 int32_t WebRtcAudioDeviceImpl::GetLoudspeakerStatus(bool* enabled) const {
   NOTIMPLEMENTED();
   return -1;
 }
 
 void WebRtcAudioDeviceImpl::SetSessionId(int session_id) {
   session_id_ = session_id;
 }