Simplified AudioOutputStream interface.

chrome/renderer/pepper_devices.cc

 // Copyright (c) 2010 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 "chrome/renderer/pepper_devices.h"
 
 #include "chrome/common/render_messages_params.h"
 #include "chrome/renderer/render_thread.h"
 #include "chrome/renderer/webplugin_delegate_pepper.h"
 #include "skia/ext/platform_canvas.h"
@@ skipping 195 matching lines @@
       params.params.bits_per_sample = 16;
       break;
     case NPAudioSampleTypeFloat32:
       params.params.bits_per_sample = 32;
       break;
     default:
       return NPERR_INVALID_PARAM;
   }
 
   context->config = *config;
-  params.packet_size = config->sampleFrameCount * config->outputChannelMap *
-      (params.params.bits_per_sample >> 3);
+  params.params.samples_per_packet = config->sampleFrameCount;
 
   stream_id_ = filter_->AddDelegate(this);
   filter->Send(new ViewHostMsg_CreateAudioStream(0, stream_id_, params, true));
   return NPERR_NO_ERROR;
 }
 
 void AudioDeviceContext::OnDestroy() {
   // Make sure we don't call destroy more than once.
   DCHECK_NE(0, stream_id_);
   filter_->RemoveDelegate(stream_id_);
@@ skipping 67 matching lines @@
 }
 
 void AudioDeviceContext::Run() {
   int pending_data;
   while (sizeof(pending_data) == socket_->Receive(&pending_data,
                                                   sizeof(pending_data)) &&
       pending_data >= 0) {
     FireAudioCallback();
   }
 }