Decouple Media Service

content/gpu/gpu_child_thread.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/gpu/gpu_child_thread.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/worker_pool.h"
 #include "build/build_config.h"
 #include "content/child/child_process.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/common/gpu/establish_channel_params.h"
 #include "content/common/gpu/gpu_host_messages.h"
 #include "content/common/gpu/gpu_memory_buffer_factory.h"
 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
+#include "content/common/gpu/media/media_service.h"
 #include "content/gpu/gpu_process_control_impl.h"
 #include "content/gpu/gpu_watchdog_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/gpu/content_gpu_client.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/config/gpu_info_collector.h"
 #include "gpu/config/gpu_switches.h"
 #include "gpu/config/gpu_util.h"
 #include "gpu/ipc/common/memory_stats.h"
@@ skipping 264 matching lines @@
 
 void GpuChildThread::AddSubscription(int32_t client_id, unsigned int target) {
   Send(new GpuHostMsg_AddSubscription(client_id, target));
 }
 
 void GpuChildThread::DidCreateOffscreenContext(const GURL& active_url) {
   Send(new GpuHostMsg_DidCreateOffscreenContext(active_url));
 }
 
 void GpuChildThread::DidDestroyChannel(int client_id) {
+  media_service_->RemoveChannel(client_id);
   Send(new GpuHostMsg_DestroyChannel(client_id));
 }
 
 void GpuChildThread::DidDestroyOffscreenContext(const GURL& active_url) {
   Send(new GpuHostMsg_DidDestroyOffscreenContext(active_url));
 }
 
 void GpuChildThread::DidLoseContext(bool offscreen,
                                     gpu::error::ContextLostReason reason,
                                     const GURL& active_url) {
@@ skipping 55 matching lines @@
   // Defer creation of the render thread. This is to prevent it from handling
   // IPC messages before the sandbox has been enabled and all other necessary
   // initialization has succeeded.
   gpu_channel_manager_.reset(
       new GpuChannelManager(gpu_preferences_, this, watchdog_thread_.get(),
                             base::ThreadTaskRunnerHandle::Get().get(),
                             ChildProcess::current()->io_task_runner(),
                             ChildProcess::current()->GetShutDownEvent(),
                             sync_point_manager_, gpu_memory_buffer_factory_));
 
+  media_service_.reset(new MediaService(gpu_channel_manager_.get()));
+
 #if defined(USE_OZONE)
   ui::OzonePlatform::GetInstance()
       ->GetGpuPlatformSupport()
       ->OnChannelEstablished(this);
 #endif
 }
 
 void GpuChildThread::OnFinalize() {
   // Quit the GPU process
   base::MessageLoop::current()->QuitWhenIdle();
@@ skipping 168 matching lines @@
     gpu_channel_manager_->BufferPresented(params);
 }
 #endif
 
 void GpuChildThread::OnEstablishChannel(const EstablishChannelParams& params) {
   if (!gpu_channel_manager_)
     return;
 
   IPC::ChannelHandle channel_handle =
       gpu_channel_manager_->EstablishChannel(params);
+  media_service_->AddChannel(params.client_id);
   Send(new GpuHostMsg_ChannelEstablished(channel_handle));
 }
 
 void GpuChildThread::OnCloseChannel(int32_t client_id) {
   if (gpu_channel_manager_)
     gpu_channel_manager_->RemoveChannel(client_id);
 }
 
 void GpuChildThread::OnLoadedShader(const std::string& shader) {
   if (gpu_channel_manager_)
@@ skipping 16 matching lines @@
 }
 
 #if defined(OS_ANDROID)
 void GpuChildThread::OnWakeUpGpu() {
   if (gpu_channel_manager_)
     gpu_channel_manager_->WakeUpGpu();
 }
 #endif
 
 void GpuChildThread::OnLoseAllContexts() {
-  if (gpu_channel_manager_)
+  if (gpu_channel_manager_) {
     gpu_channel_manager_->DestroyAllChannels();
+    media_service_->DestroyAllChannels();
+  }
 }
 
 void GpuChildThread::BindProcessControlRequest(
     mojo::InterfaceRequest<ProcessControl> request) {
   DVLOG(1) << "GPU: Binding ProcessControl request";
   DCHECK(process_control_);
   process_control_bindings_.AddBinding(process_control_.get(),
                                        std::move(request));
 }
 
 }  // namespace content