Rename the shared impl files.

ppapi/shared_impl/audio_impl.cc

-// Copyright (c) 2011 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 "ppapi/shared_impl/audio_impl.h"
-
-#include "base/logging.h"
-
-namespace ppapi {
-
-AudioImpl::AudioImpl()
-    : playing_(false),
-      shared_memory_size_(0),
-      callback_(NULL),
-      user_data_(NULL) {
-}
-
-AudioImpl::~AudioImpl() {
-  // Closing the socket causes the thread to exit - wait for it.
-  if (socket_.get())
-    socket_->Close();
-  if (audio_thread_.get()) {
-    audio_thread_->Join();
-    audio_thread_.reset();
-  }
-}
-
-void AudioImpl::SetCallback(PPB_Audio_Callback callback, void* user_data) {
-  callback_ = callback;
-  user_data_ = user_data;
-}
-
-void AudioImpl::SetStartPlaybackState() {
-  DCHECK(!playing_);
-  DCHECK(!audio_thread_.get());
-
-  // If the socket doesn't exist, that means that the plugin has started before
-  // the browser has had a chance to create all the shared memory info and
-  // notify us. This is a common case. In this case, we just set the playing_
-  // flag and the playback will automatically start when that data is available
-  // in SetStreamInfo.
-  if (callback_ && socket_.get())
-    StartThread();
-  playing_ = true;
-}
-
-void AudioImpl::SetStopPlaybackState() {
-  DCHECK(playing_);
-
-  if (audio_thread_.get()) {
-    audio_thread_->Join();
-    audio_thread_.reset();
-  }
-  playing_ = false;
-}
-
-void AudioImpl::SetStreamInfo(base::SharedMemoryHandle shared_memory_handle,
-                              size_t shared_memory_size,
-                              base::SyncSocket::Handle socket_handle) {
-  socket_.reset(new base::SyncSocket(socket_handle));
-  shared_memory_.reset(new base::SharedMemory(shared_memory_handle, false));
-  shared_memory_size_ = shared_memory_size;
-
-  if (callback_) {
-    shared_memory_->Map(shared_memory_size_);
-
-    // In common case StartPlayback() was called before StreamCreated().
-    if (playing_)
-      StartThread();
-  }
-}
-
-void AudioImpl::StartThread() {
-  DCHECK(callback_);
-  DCHECK(!audio_thread_.get());
-  audio_thread_.reset(new base::DelegateSimpleThread(
-      this, "plugin_audio_thread"));
-  audio_thread_->Start();
-}
-
-void AudioImpl::Run() {
-  int pending_data;
-  void* buffer = shared_memory_->memory();
-
-  while (sizeof(pending_data) ==
-      socket_->Receive(&pending_data, sizeof(pending_data)) &&
-      pending_data >= 0) {
-    callback_(buffer, shared_memory_size_, user_data_);
-  }
-}
-
-}  // namespace ppapi