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/blink/webmediaplayer_impl.h"
  18 #include "media/blink/webmediaplayer_params.h"
  19 #include "media/cdm/default_cdm_factory.h"
  20 #include "media/filters/default_renderer_factory.h"
  21 #include "media/filters/gpu_video_accelerator_factories.h"
  22 #include "media/mojo/interfaces/media_renderer.mojom.h"
  23 #include "media/mojo/services/mojo_renderer_factory.h"
  24 #include "mojo/public/cpp/application/connect.h"
  25 #include "mojo/public/interfaces/application/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     blink::WebContentDecryptionModule* initial_cdm,
  82     mojo::Shell* shell) {
  83 #if defined(OS_ANDROID)
  84   return nullptr;
  85 #else
  86   scoped_refptr<media::MediaLog> media_log(new media::MediaLog());
  87   scoped_ptr<media::RendererFactory> media_renderer_factory;
  88
  89   if (enable_mojo_media_renderer_) {
  90     ServiceProviderPtr media_renderer_service_provider;
  91     shell->ConnectToApplication("mojo:media",
  92                                 GetProxy(&media_renderer_service_provider));
  93     media_renderer_factory.reset(new media::MojoRendererFactory(make_scoped_ptr(
  94         new RendererServiceProvider(media_renderer_service_provider.Pass()))));
  95   } else {
  96     media_renderer_factory.reset(
  97         new media::DefaultRendererFactory(media_log,
  98                                           nullptr,  // No GPU factory.
  99                                           GetAudioHardwareConfig()));
 100   }
 101
 102   media::WebMediaPlayerParams params(
 103       media::WebMediaPlayerParams::DeferLoadCB(), CreateAudioRendererSink(),
 104       media_log, GetMediaThreadTaskRunner(), compositor_task_runner_,
 105       media::WebMediaPlayerParams::Context3DCB(), initial_cdm);
 106   base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
 107
 108   scoped_ptr<media::CdmFactory> cdm_factory(new media::DefaultCdmFactory());
 109
 110   return new media::WebMediaPlayerImpl(frame, client, delegate,
 111                                        media_renderer_factory.Pass(),
 112                                        cdm_factory.Pass(), params);
 113 #endif
 114 }
 115
 116 const media::AudioHardwareConfig&
 117 WebMediaPlayerFactory::GetAudioHardwareConfig() {
 118   return audio_hardware_config_;
 119 }
 120
 121 scoped_refptr<media::AudioRendererSink>
 122 WebMediaPlayerFactory::CreateAudioRendererSink() {
 123   // TODO(dalecurtis): Replace this with an interface to an actual mojo service;
 124   // the AudioOutputStreamSink will not work in sandboxed processes.
 125   return new media::AudioOutputStreamSink();
 126 }
 127
 128 scoped_refptr<base::SingleThreadTaskRunner>
 129 WebMediaPlayerFactory::GetMediaThreadTaskRunner() {
 130   if (!media_thread_.IsRunning())
 131     media_thread_.Start();
 132
 133   return media_thread_.message_loop_proxy();
 134 }
 135
 136 }  // namespace html_viewer