src/mojo/services/html_viewer/webmediaplayer_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/services/html_viewer/webmediaplayer_factory.h"
   6
   7 #include "base/bind.h"
   8 #include "base/files/file_path.h"
   9 #include "base/path_service.h"
  10 #include "base/threading/thread.h"
  11 #include "media/audio/audio_manager.h"
  12 #include "media/audio/audio_manager_base.h"
  13 #include "media/audio/audio_output_stream_sink.h"
  14 #include "media/base/audio_hardware_config.h"
  15 #include "media/base/media.h"
  16 #include "media/base/media_log.h"
  17 #include "media/base/renderer.h"
  18 #include "media/blink/null_encrypted_media_player_support.h"
  19 #include "media/blink/webmediaplayer_impl.h"
  20 #include "media/blink/webmediaplayer_params.h"
  21 #include "media/filters/gpu_video_accelerator_factories.h"
  22 #include "media/mojo/services/mojo_renderer_impl.h"
  23 #include "mojo/public/interfaces/application/shell.mojom.h"
  24
  25 namespace mojo {
  26
  27 WebMediaPlayerFactory::WebMediaPlayerFactory(
  28     const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
  29     bool enable_mojo_media_renderer)
  30     : compositor_task_runner_(compositor_task_runner),
  31       enable_mojo_media_renderer_(enable_mojo_media_renderer),
  32       media_thread_("Media"),
  33       audio_manager_(media::AudioManager::Create(&fake_audio_log_factory_)),
  34       audio_hardware_config_(
  35           audio_manager_->GetInputStreamParameters(
  36               media::AudioManagerBase::kDefaultDeviceId),
  37           audio_manager_->GetDefaultOutputStreamParameters()) {
  38
  39   if (!media::IsMediaLibraryInitialized()) {
  40     base::FilePath module_dir;
  41     CHECK(PathService::Get(base::DIR_EXE, &module_dir));
  42     CHECK(media::InitializeMediaLibrary(module_dir));
  43   }
  44 }
  45
  46 WebMediaPlayerFactory::~WebMediaPlayerFactory() {
  47 }
  48
  49 blink::WebMediaPlayer* WebMediaPlayerFactory::CreateMediaPlayer(
  50     blink::WebLocalFrame* frame,
  51     const blink::WebURL& url,
  52     blink::WebMediaPlayerClient* client,
  53     Shell* shell) {
  54 #if defined(OS_ANDROID)
  55   return NULL;
  56 #else
  57   scoped_ptr<media::Renderer> renderer;
  58
  59   if (enable_mojo_media_renderer_) {
  60     ServiceProviderPtr media_renderer_service_provider;
  61     shell->ConnectToApplication("mojo:mojo_media_renderer_app",
  62                                 GetProxy(&media_renderer_service_provider));
  63     renderer.reset(new media::MojoRendererImpl(
  64         GetMediaThreadTaskRunner(), media_renderer_service_provider.get()));
  65   }
  66
  67   media::WebMediaPlayerParams params(
  68       media::WebMediaPlayerParams::DeferLoadCB(),
  69       CreateAudioRendererSink(),
  70       GetAudioHardwareConfig(),
  71       new media::MediaLog(),
  72       scoped_refptr<media::GpuVideoAcceleratorFactories>(),
  73       GetMediaThreadTaskRunner(),
  74       compositor_task_runner_,
  75       base::Bind(&media::NullEncryptedMediaPlayerSupport::Create),
  76       NULL);
  77   base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
  78
  79   return new media::WebMediaPlayerImpl(
  80       frame, client, delegate, renderer.Pass(), params);
  81 #endif
  82 }
  83
  84 const media::AudioHardwareConfig&
  85 WebMediaPlayerFactory::GetAudioHardwareConfig() {
  86   return audio_hardware_config_;
  87 }
  88
  89 scoped_refptr<media::AudioRendererSink>
  90 WebMediaPlayerFactory::CreateAudioRendererSink() {
  91   // TODO(dalecurtis): Replace this with an interface to an actual mojo service;
  92   // the AudioOutputStreamSink will not work in sandboxed processes.
  93   return new media::AudioOutputStreamSink();
  94 }
  95
  96 scoped_refptr<base::SingleThreadTaskRunner>
  97 WebMediaPlayerFactory::GetMediaThreadTaskRunner() {
  98   if (!media_thread_.IsRunning())
  99     media_thread_.Start();
 100
 101   return media_thread_.message_loop_proxy();
 102 }
 103
 104 }  // namespace mojo