Switch OnMoreData() to use AudioBus.

webkit/plugins/ppapi/ppb_audio_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 "webkit/plugins/ppapi/ppb_audio_impl.h"
 
 #include "base/logging.h"
 #include "media/audio/audio_output_controller.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_audio.h"
@@ skipping 12 matching lines @@
 using ppapi::thunk::PPB_AudioConfig_API;
 using ppapi::TrackedCallback;
 
 namespace webkit {
 namespace ppapi {
 
 // PPB_Audio_Impl --------------------------------------------------------------
 
 PPB_Audio_Impl::PPB_Audio_Impl(PP_Instance instance)
     : Resource(::ppapi::OBJECT_IS_IMPL, instance),
-      audio_(NULL) {
+      audio_(NULL),
+      sample_frame_count_(0) {
 }
 
 PPB_Audio_Impl::~PPB_Audio_Impl() {
   // Calling ShutDown() makes sure StreamCreated cannot be called anymore and
   // releases the audio data associated with the pointer. Note however, that
   // until ShutDown returns, StreamCreated may still be called. This will be
   // OK since we'll just immediately clean up the data it stored later in this
   // destructor.
   if (audio_) {
     audio_->ShutDown();
@@ skipping 30 matching lines @@
 
   PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
   if (!plugin_delegate)
     return false;
 
   // When the stream is created, we'll get called back on StreamCreated().
   CHECK(!audio_);
   audio_ = plugin_delegate->CreateAudioOutput(
       enter.object()->GetSampleRate(), enter.object()->GetSampleFrameCount(),
       this);
+  sample_frame_count_ = enter.object()->GetSampleFrameCount();
   return audio_ != NULL;
 }
 
 PP_Resource PPB_Audio_Impl::GetCurrentConfig() {
   // AddRef on behalf of caller, while keeping a ref for ourselves.
   PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(config_);
   return config_;
 }
 
 PP_Bool PPB_Audio_Impl::StartPlayback() {
@@ skipping 52 matching lines @@
 int32_t PPB_Audio_Impl::GetSharedMemory(int* shm_handle,
                                         uint32_t* shm_size) {
   return GetSharedMemoryImpl(shm_handle, shm_size);
 }
 
 void PPB_Audio_Impl::OnSetStreamInfo(
     base::SharedMemoryHandle shared_memory_handle,
     size_t shared_memory_size,
     base::SyncSocket::Handle socket_handle) {
   SetStreamInfo(pp_instance(), shared_memory_handle, shared_memory_size,
-                socket_handle);
+                socket_handle, sample_frame_count_);
 }
 
 }  // namespace ppapi
 }  // namespace webkit