Hook WebMediaPlayerImpl up to Mojo's HTMLDocumentView.

mojo/services/html_viewer/webmediaplayer_factory.cc

+// Copyright 2014 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 "mojo/services/html_viewer/webmediaplayer_factory.h"
+
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "base/threading/thread.h"
+#include "media/audio/audio_manager.h"
+#include "media/audio/audio_manager_base.h"
+#include "media/audio/null_audio_sink.h"
+#include "media/base/audio_hardware_config.h"
+#include "media/base/media.h"
+#include "media/base/media_log.h"
+#include "media/blink/null_encrypted_media_player_support.h"
+#include "media/blink/webmediaplayer_impl.h"
+#include "media/blink/webmediaplayer_params.h"
+#include "media/filters/gpu_video_accelerator_factories.h"
+
+namespace mojo {
+
+WebMediaPlayerFactory::WebMediaPlayerFactory(
+    const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner)
+    : compositor_task_runner_(compositor_task_runner),
+      media_thread_("Media"),
+      audio_manager_(media::AudioManager::Create(&fake_audio_log_factory_)),
+      audio_hardware_config_(
+          audio_manager_->GetInputStreamParameters(
+              media::AudioManagerBase::kDefaultDeviceId),
+          audio_manager_->GetDefaultOutputStreamParameters()) {
+
+  if (!media::IsMediaLibraryInitialized()) {
+    base::FilePath module_dir;
+    CHECK(PathService::Get(base::DIR_EXE, &module_dir));
+    CHECK(media::InitializeMediaLibrary(module_dir));
+  }
+}
+
+WebMediaPlayerFactory::~WebMediaPlayerFactory() {
+}
+
+blink::WebMediaPlayer* WebMediaPlayerFactory::CreateMediaPlayer(
+    blink::WebLocalFrame* frame,
+    const blink::WebURL& url,
+    blink::WebMediaPlayerClient* client) {
+
+  media::WebMediaPlayerParams params(
+      media::WebMediaPlayerParams::DeferLoadCB(),
+      CreateAudioRendererSink(),
+      GetAudioHardwareConfig(),
+      new media::MediaLog(),
+      scoped_refptr<media::GpuVideoAcceleratorFactories>(),
+      GetMediaThreadTaskRunner(),
+      compositor_task_runner_,
+      base::Bind(&media::NullEncryptedMediaPlayerSupport::Create));
+  base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
+
+  return new media::WebMediaPlayerImpl(frame, client, delegate, params);
+}
+
+const media::AudioHardwareConfig&
+WebMediaPlayerFactory::GetAudioHardwareConfig() {
+  return audio_hardware_config_;
+}
+
+scoped_refptr<media::AudioRendererSink>
+WebMediaPlayerFactory::CreateAudioRendererSink() {
+  // TODO(acolwell): Replace this with an AudioRendererSink implementation
+  // that actually talks to the audio device or an audio mojo service.
+  return new media::NullAudioSink(GetMediaThreadTaskRunner());
+}
+
+scoped_refptr<base::SingleThreadTaskRunner>
+WebMediaPlayerFactory::GetMediaThreadTaskRunner() {
+  if (!media_thread_.IsRunning())
+    media_thread_.Start();
+
+  return media_thread_.message_loop_proxy();
+}
+
+}  // namespace mojo