Initialize AVFoundation explicitly

content/browser/browser_main_loop.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/browser/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/memory_pressure_monitor.h"
@@ skipping 72 matching lines @@
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "content/browser/android/browser_startup_controller.h"
 #include "content/browser/android/browser_surface_texture_manager.h"
 #include "content/browser/android/tracing_controller_android.h"
 #include "content/browser/screen_orientation/screen_orientation_delegate_android.h"
 #include "content/public/browser/screen_orientation_provider.h"
 #include "ui/gl/gl_surface.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include "media/base/mac/avfoundation_glue.h"
+#endif
+
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/memory/memory_pressure_monitor_mac.h"
 #include "content/browser/bootstrap_sandbox_mac.h"
 #include "content/browser/cocoa/system_hotkey_helper_mac.h"
 #include "content/browser/compositor/browser_compositor_view_mac.h"
 #include "content/browser/theme_helper_mac.h"
 #endif
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 537 matching lines @@
   // Prior to any processing happening on the io thread, we create the
   // plugin service as it is predominantly used from the io thread,
   // but must be created on the main thread. The service ctor is
   // inexpensive and does not invoke the io_thread() accessor.
   {
     TRACE_EVENT0("startup", "BrowserMainLoop::CreateThreads:PluginService");
     PluginService::GetInstance()->Init();
   }
 #endif
 
+#if defined(OS_MACOSX)
+  {
+    // Initialize AVFoundation if supported, for audio and video.
+    TRACE_EVENT0("startup",
+                 "BrowserMainLoop::CreateThreads:InitializeAVFoundation");
+    AVFoundationGlue::InitializeAVFoundation();
+  }
+#endif
+
   // Need to initialize in-process GpuDataManager before creating threads.
   // It's unsafe to append the gpu command line switches to the global
   // CommandLine::ForCurrentProcess object after threads are created.
   if (UsingInProcessGpu()) {
     bool initialize_gpu_data_manager = true;
 #if defined(OS_ANDROID)
     if (!gfx::GLSurface::InitializeOneOff()) {
       // Single-process Android WebView supports no gpu.
       LOG(ERROR) << "GLSurface::InitializeOneOff failed";
       initialize_gpu_data_manager = false;
@@ skipping 669 matching lines @@
 
 void BrowserMainLoop::EndStartupTracing() {
   is_tracing_startup_ = false;
   TracingController::GetInstance()->DisableRecording(
       TracingController::CreateFileSink(
           startup_trace_file_,
           base::Bind(OnStoppedStartupTracing, startup_trace_file_)));
 }
 
 }  // namespace content