Move webkit/plugins/ppapi to content/renderer/pepper.

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"
-#include "ppapi/c/ppb_audio_config.h"
-#include "ppapi/shared_impl/resource_tracker.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_audio_config_api.h"
-#include "ppapi/thunk/thunk.h"
-#include "webkit/plugins/ppapi/common.h"
-#include "webkit/plugins/ppapi/resource_helper.h"
-
-using ppapi::PpapiGlobals;
-using ppapi::thunk::EnterResourceNoLock;
-using ppapi::thunk::PPB_Audio_API;
-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),
-      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();
-    audio_ = NULL;
-  }
-}
-
-// static
-PP_Resource PPB_Audio_Impl::Create(PP_Instance instance,
-                                   PP_Resource config,
-                                   PPB_Audio_Callback audio_callback,
-                                   void* user_data) {
-  scoped_refptr<PPB_Audio_Impl> audio(new PPB_Audio_Impl(instance));
-  if (!audio->Init(config, audio_callback, user_data))
-    return 0;
-  return audio->GetReference();
-}
-
-PPB_Audio_API* PPB_Audio_Impl::AsPPB_Audio_API() {
-  return this;
-}
-
-bool PPB_Audio_Impl::Init(PP_Resource config,
-                          PPB_Audio_Callback callback, void* user_data) {
-  // Validate the config and keep a reference to it.
-  EnterResourceNoLock<PPB_AudioConfig_API> enter(config, true);
-  if (enter.failed())
-    return false;
-  config_ = config;
-
-  if (!callback)
-    return false;
-  SetCallback(callback, user_data);
-
-  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() {
-  if (!audio_)
-    return PP_FALSE;
-  if (playing())
-    return PP_TRUE;
-  SetStartPlaybackState();
-  return BoolToPPBool(audio_->StartPlayback());
-}
-
-PP_Bool PPB_Audio_Impl::StopPlayback() {
-  if (!audio_)
-    return PP_FALSE;
-  if (!playing())
-    return PP_TRUE;
-  if (!audio_->StopPlayback())
-    return PP_FALSE;
-  SetStopPlaybackState();
-  return PP_TRUE;
-}
-
-int32_t PPB_Audio_Impl::Open(
-    PP_Resource config,
-    scoped_refptr<TrackedCallback> create_callback) {
-  // Validate the config and keep a reference to it.
-  EnterResourceNoLock<PPB_AudioConfig_API> enter(config, true);
-  if (enter.failed())
-    return PP_ERROR_FAILED;
-  config_ = config;
-
-  PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
-  if (!plugin_delegate)
-    return PP_ERROR_FAILED;
-
-  // When the stream is created, we'll get called back on StreamCreated().
-  DCHECK(!audio_);
-  audio_ = plugin_delegate->CreateAudioOutput(
-      enter.object()->GetSampleRate(), enter.object()->GetSampleFrameCount(),
-      this);
-  if (!audio_)
-    return PP_ERROR_FAILED;
-
-  // At this point, we are guaranteeing ownership of the completion
-  // callback.  Audio promises to fire the completion callback
-  // once and only once.
-  SetCreateCallback(create_callback);
-
-  return PP_OK_COMPLETIONPENDING;
-}
-
-int32_t PPB_Audio_Impl::GetSyncSocket(int* sync_socket) {
-  return GetSyncSocketImpl(sync_socket);
-}
-
-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, sample_frame_count_);
-}
-
-}  // namespace ppapi
-}  // namespace webkit