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// 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 "components/html_viewer/media_factory.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/threading/thread.h"
#include "build/build_config.h"
#include "media/audio/audio_manager.h"
#include "media/audio/audio_manager_base.h"
#include "media/audio/audio_output_stream_sink.h"
#include "media/base/audio_hardware_config.h"
#include "media/base/media.h"
#include "media/base/media_log.h"
#include "media/blink/webencryptedmediaclient_impl.h"
#include "media/blink/webmediaplayer_impl.h"
#include "media/blink/webmediaplayer_params.h"
#include "media/cdm/default_cdm_factory.h"
#include "media/filters/default_media_permission.h"
#include "media/mojo/interfaces/renderer.mojom.h"
#include "media/mojo/services/mojo_cdm_factory.h"
#include "media/mojo/services/mojo_renderer_factory.h"
#include "media/renderers/default_renderer_factory.h"
#include "media/renderers/gpu_video_accelerator_factories.h"
#include "mojo/application/public/cpp/connect.h"
#include "mojo/application/public/interfaces/shell.mojom.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "v8/include/v8.h"
namespace html_viewer {
namespace {
// Enable mojo media Renderer in media pipeline instead of using the internal
// media::Renderer implementation.
// TODO(xhwang): Move this to media_switches.h.
const char kEnableMojoMediaRenderer[] = "enable-mojo-media-renderer";
bool AreSecureCodecsSupported() {
// Hardware-secure codecs are not currently supported by HTML Viewer on any
// platform.
return false;
}
void OnGotContentHandlerID(uint32_t content_handler_id) {}
} // namespace
MediaFactory::MediaFactory(
const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
mojo::Shell* shell)
:
#if !defined(OS_ANDROID)
media_thread_("Media"),
audio_manager_(media::AudioManager::Create(&fake_audio_log_factory_)),
audio_hardware_config_(
audio_manager_->GetInputStreamParameters(
media::AudioManagerBase::kDefaultDeviceId),
audio_manager_->GetDefaultOutputStreamParameters()),
#endif
enable_mojo_media_renderer_(base::CommandLine::ForCurrentProcess()
->HasSwitch(kEnableMojoMediaRenderer)),
compositor_task_runner_(compositor_task_runner),
shell_(shell) {
media::InitializeMediaLibrary();
}
MediaFactory::~MediaFactory() {
}
blink::WebMediaPlayer* MediaFactory::CreateMediaPlayer(
blink::WebLocalFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client,
blink::WebMediaPlayerEncryptedMediaClient* encrypted_client,
blink::WebContentDecryptionModule* initial_cdm,
mojo::Shell* shell) {
#if defined(OS_ANDROID)
// TODO(xhwang): Get CreateMediaPlayer working on android.
return nullptr;
#else
scoped_refptr<media::MediaLog> media_log(new media::MediaLog());
scoped_ptr<media::RendererFactory> media_renderer_factory;
if (enable_mojo_media_renderer_) {
media_renderer_factory.reset(
new media::MojoRendererFactory(GetMediaServiceFactory()));
} else {
media_renderer_factory.reset(
new media::DefaultRendererFactory(media_log,
nullptr, // No GPU factory.
GetAudioHardwareConfig()));
}
media::WebMediaPlayerParams params(
media::WebMediaPlayerParams::DeferLoadCB(), CreateAudioRendererSink(),
media_log, GetMediaThreadTaskRunner(), GetMediaThreadTaskRunner(),
compositor_task_runner_, media::WebMediaPlayerParams::Context3DCB(),
base::Bind(&v8::Isolate::AdjustAmountOfExternalAllocatedMemory,
base::Unretained(blink::mainThreadIsolate())),
GetMediaPermission(), initial_cdm);
base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
return new media::WebMediaPlayerImpl(frame, client, encrypted_client,
delegate, media_renderer_factory.Pass(),
GetCdmFactory(), params);
#endif // defined(OS_ANDROID)
}
blink::WebEncryptedMediaClient* MediaFactory::GetEncryptedMediaClient() {
if (!web_encrypted_media_client_) {
web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
base::Bind(&AreSecureCodecsSupported), GetCdmFactory(),
GetMediaPermission()));
}
return web_encrypted_media_client_.get();
}
media::interfaces::ServiceFactory* MediaFactory::GetMediaServiceFactory() {
if (!media_service_factory_) {
mojo::ServiceProviderPtr service_provider;
mojo::URLRequestPtr request(mojo::URLRequest::New());
request->url = mojo::String::From("mojo:media");
shell_->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
nullptr, nullptr,
base::Bind(&OnGotContentHandlerID));
mojo::ConnectToService(service_provider.get(), &media_service_factory_);
}
return media_service_factory_.get();
}
media::MediaPermission* MediaFactory::GetMediaPermission() {
// TODO(xhwang): Replace DefaultMediaPermission with something real when
// permissions are supported in html_viewer.
NOTIMPLEMENTED();
if (!media_permission_)
media_permission_.reset(new media::DefaultMediaPermission(true));
return media_permission_.get();
}
media::CdmFactory* MediaFactory::GetCdmFactory() {
if (!cdm_factory_) {
if (enable_mojo_media_renderer_)
cdm_factory_.reset(new media::MojoCdmFactory(GetMediaServiceFactory()));
else
cdm_factory_.reset(new media::DefaultCdmFactory());
}
return cdm_factory_.get();
}
#if !defined(OS_ANDROID)
const media::AudioHardwareConfig& MediaFactory::GetAudioHardwareConfig() {
return audio_hardware_config_;
}
scoped_refptr<media::AudioRendererSink>
MediaFactory::CreateAudioRendererSink() {
// TODO(dalecurtis): Replace this with an interface to an actual mojo service;
// the AudioOutputStreamSink will not work in sandboxed processes.
return new media::AudioOutputStreamSink();
}
scoped_refptr<base::SingleThreadTaskRunner>
MediaFactory::GetMediaThreadTaskRunner() {
if (!media_thread_.IsRunning())
media_thread_.Start();
return media_thread_.task_runner();
}
#endif // !defined(OS_ANDROID)
} // namespace html_viewer
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