Audio software mixer.

content/renderer/pepper/pepper_platform_audio_output_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/pepper/pepper_platform_audio_output_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "build/build_config.h"
@@ skipping 77 matching lines @@
   // Use the low latency back end if the client request is compatible, and
   // the sample count is low enough to justify using AUDIO_PCM_LOW_LATENCY.
   if (sample_rate == audio_hardware::GetOutputSampleRate() &&
       frames_per_buffer <= kMaxFramesForLowLatency &&
       frames_per_buffer % audio_hardware::GetOutputBufferSize() == 0) {
     format = AudioParameters::AUDIO_PCM_LOW_LATENCY;
   } else {
     format = AudioParameters::AUDIO_PCM_LINEAR;
   }
 
-  AudioParameters params(format, CHANNEL_LAYOUT_STEREO, sample_rate,
+  AudioParameters params(format, false, CHANNEL_LAYOUT_STEREO, sample_rate,
                          16, frames_per_buffer);
 
   ChildProcess::current()->io_message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&PepperPlatformAudioOutputImpl::InitializeOnIOThread,
                  this, params));
   return true;
 }
 
 void PepperPlatformAudioOutputImpl::InitializeOnIOThread(
@@ skipping 45 matching lines @@
     // Must dereference the client only on the main thread. Shutdown may have
     // occurred while the request was in-flight, so we need to NULL check.
     if (client_)
       client_->StreamCreated(handle, length, socket_handle);
   } else {
     main_message_loop_proxy_->PostTask(FROM_HERE,
         base::Bind(&PepperPlatformAudioOutputImpl::OnStreamCreated, this,
                    handle, socket_handle, length));
   }
 }