components/html_viewer/web_media_player_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 "components/html_viewer/web_media_player_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/blink/webmediaplayer_impl.h"
  18 #include "media/blink/webmediaplayer_params.h"
  19 #include "media/cdm/default_cdm_factory.h"
  20 #include "media/mojo/interfaces/media_renderer.mojom.h"
  21 #include "media/mojo/services/mojo_renderer_factory.h"
  22 #include "media/renderers/default_renderer_factory.h"
  23 #include "media/renderers/gpu_video_accelerator_factories.h"
  24 #include "mojo/application/public/cpp/connect.h"
  25 #include "mojo/application/public/interfaces/shell.mojom.h"
  26
  27 using mojo::ServiceProviderPtr;
  28
  29 namespace html_viewer {
  30
  31 #if !defined(OS_ANDROID)
  32 namespace {
  33
  34 class RendererServiceProvider
  35     : public media::MojoRendererFactory::ServiceProvider {
  36  public:
  37   explicit RendererServiceProvider(ServiceProviderPtr service_provider_ptr)
  38       : service_provider_ptr_(service_provider_ptr.Pass()) {}
  39   ~RendererServiceProvider() final {}
  40
  41   void ConnectToService(
  42       mojo::InterfacePtr<mojo::MediaRenderer>* media_renderer_ptr) final {
  43     mojo::ConnectToService(service_provider_ptr_.get(), media_renderer_ptr);
  44   }
  45
  46  private:
  47   ServiceProviderPtr service_provider_ptr_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(RendererServiceProvider);
  50 };
  51
  52 }  // namespace
  53 #endif
  54
  55 WebMediaPlayerFactory::WebMediaPlayerFactory(
  56     const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
  57     bool enable_mojo_media_renderer)
  58     : compositor_task_runner_(compositor_task_runner),
  59       enable_mojo_media_renderer_(enable_mojo_media_renderer),
  60       media_thread_("Media"),
  61       audio_manager_(media::AudioManager::Create(&fake_audio_log_factory_)),
  62       audio_hardware_config_(
  63           audio_manager_->GetInputStreamParameters(
  64               media::AudioManagerBase::kDefaultDeviceId),
  65           audio_manager_->GetDefaultOutputStreamParameters()) {
  66
  67   if (!media::IsMediaLibraryInitialized()) {
  68     base::FilePath module_dir;
  69     CHECK(PathService::Get(base::DIR_EXE, &module_dir));
  70     CHECK(media::InitializeMediaLibrary(module_dir));
  71   }
  72 }
  73
  74 WebMediaPlayerFactory::~WebMediaPlayerFactory() {
  75 }
  76
  77 blink::WebMediaPlayer* WebMediaPlayerFactory::CreateMediaPlayer(
  78     blink::WebLocalFrame* frame,
  79     const blink::WebURL& url,
  80     blink::WebMediaPlayerClient* client,
  81     media::MediaPermission* media_permission,
  82     media::CdmFactory* cdm_factory,
  83     blink::WebContentDecryptionModule* initial_cdm,
  84     mojo::Shell* shell) {
  85 #if defined(OS_ANDROID)
  86   return nullptr;
  87 #else
  88   scoped_refptr<media::MediaLog> media_log(new media::MediaLog());
  89   scoped_ptr<media::RendererFactory> media_renderer_factory;
  90
  91   if (enable_mojo_media_renderer_) {
  92     ServiceProviderPtr media_renderer_service_provider;
  93     shell->ConnectToApplication(
  94         "mojo:media", GetProxy(&media_renderer_service_provider), nullptr);
  95     media_renderer_factory.reset(new media::MojoRendererFactory(make_scoped_ptr(
  96         new RendererServiceProvider(media_renderer_service_provider.Pass()))));
  97   } else {
  98     media_renderer_factory.reset(
  99         new media::DefaultRendererFactory(media_log,
 100                                           nullptr,  // No GPU factory.
 101                                           GetAudioHardwareConfig()));
 102   }
 103
 104   media::WebMediaPlayerParams params(
 105       media::WebMediaPlayerParams::DeferLoadCB(), CreateAudioRendererSink(),
 106       media_log, GetMediaThreadTaskRunner(), compositor_task_runner_,
 107       media::WebMediaPlayerParams::Context3DCB(), media_permission,
 108       initial_cdm);
 109   base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
 110
 111   return new media::WebMediaPlayerImpl(frame, client, delegate,
 112                                        media_renderer_factory.Pass(),
 113                                        cdm_factory, params);
 114 #endif
 115 }
 116
 117 const media::AudioHardwareConfig&
 118 WebMediaPlayerFactory::GetAudioHardwareConfig() {
 119   return audio_hardware_config_;
 120 }
 121
 122 scoped_refptr<media::AudioRendererSink>
 123 WebMediaPlayerFactory::CreateAudioRendererSink() {
 124   // TODO(dalecurtis): Replace this with an interface to an actual mojo service;
 125   // the AudioOutputStreamSink will not work in sandboxed processes.
 126   return new media::AudioOutputStreamSink();
 127 }
 128
 129 scoped_refptr<base::SingleThreadTaskRunner>
 130 WebMediaPlayerFactory::GetMediaThreadTaskRunner() {
 131   if (!media_thread_.IsRunning())
 132     media_thread_.Start();
 133
 134   return media_thread_.message_loop_proxy();
 135 }
 136
 137 }  // namespace html_viewer