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// Copyright 2015 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 "media/mojo/services/interface_factory_impl.h"
#include <memory>
#include "base/bind.h"
#include "base/guid.h"
#include "base/logging.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "media/mojo/interfaces/renderer_extensions.mojom.h"
#include "media/mojo/services/mojo_decryptor_service.h"
#include "media/mojo/services/mojo_media_client.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
#include "services/service_manager/public/mojom/interface_provider.mojom.h"
#if BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
#include "media/mojo/services/mojo_audio_decoder_service.h"
#endif // BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
#include "media/mojo/services/mojo_video_decoder_service.h"
#endif // BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_RENDERER)
#include "base/bind_helpers.h"
#include "media/base/renderer.h"
#include "media/mojo/services/mojo_renderer_service.h"
#endif // BUILDFLAG(ENABLE_MOJO_RENDERER)
#if BUILDFLAG(ENABLE_MOJO_CDM)
#include "media/base/cdm_factory.h"
#include "media/mojo/services/mojo_cdm_service.h"
#endif // BUILDFLAG(ENABLE_MOJO_CDM)
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
#include "media/mojo/services/mojo_cdm_proxy_service.h"
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
namespace media {
InterfaceFactoryImpl::InterfaceFactoryImpl(
service_manager::mojom::InterfaceProviderPtr interfaces,
std::unique_ptr<service_manager::ServiceKeepaliveRef> keepalive_ref,
MojoMediaClient* mojo_media_client)
:
#if BUILDFLAG(ENABLE_MOJO_CDM)
interfaces_(std::move(interfaces)),
#endif
keepalive_ref_(std::move(keepalive_ref)),
mojo_media_client_(mojo_media_client) {
DVLOG(1) << __func__;
DCHECK(mojo_media_client_);
SetBindingConnectionErrorHandler();
}
InterfaceFactoryImpl::~InterfaceFactoryImpl() {
DVLOG(1) << __func__;
}
// mojom::InterfaceFactory implementation.
void InterfaceFactoryImpl::CreateAudioDecoder(
mojo::InterfaceRequest<mojom::AudioDecoder> request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
scoped_refptr<base::SingleThreadTaskRunner> task_runner(
base::ThreadTaskRunnerHandle::Get());
std::unique_ptr<AudioDecoder> audio_decoder =
mojo_media_client_->CreateAudioDecoder(task_runner);
if (!audio_decoder) {
DLOG(ERROR) << "AudioDecoder creation failed.";
return;
}
audio_decoder_bindings_.AddBinding(
std::make_unique<MojoAudioDecoderService>(&cdm_service_context_,
std::move(audio_decoder)),
std::move(request));
#endif // BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
}
void InterfaceFactoryImpl::CreateVideoDecoder(
mojom::VideoDecoderRequest request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
video_decoder_bindings_.AddBinding(
std::make_unique<MojoVideoDecoderService>(mojo_media_client_,
&cdm_service_context_),
std::move(request));
#endif // BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
}
void InterfaceFactoryImpl::CreateDefaultRenderer(
const std::string& audio_device_id,
mojo::InterfaceRequest<mojom::Renderer> request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_MOJO_RENDERER)
auto renderer = mojo_media_client_->CreateRenderer(
interfaces_.get(), base::ThreadTaskRunnerHandle::Get(), &media_log_,
audio_device_id);
if (!renderer) {
DLOG(ERROR) << "Renderer creation failed.";
return;
}
std::unique_ptr<MojoRendererService> mojo_renderer_service =
std::make_unique<MojoRendererService>(&cdm_service_context_,
std::move(renderer));
MojoRendererService* mojo_renderer_service_ptr = mojo_renderer_service.get();
mojo::BindingId binding_id = renderer_bindings_.AddBinding(
std::move(mojo_renderer_service), std::move(request));
// base::Unretained() is safe because the callback will be fired by
// |mojo_renderer_service|, which is owned by |renderer_bindings_|.
mojo_renderer_service_ptr->set_bad_message_cb(
base::Bind(base::IgnoreResult(
&mojo::StrongBindingSet<mojom::Renderer>::RemoveBinding),
base::Unretained(&renderer_bindings_), binding_id));
#endif // BUILDFLAG(ENABLE_MOJO_RENDERER)
}
#if BUILDFLAG(ENABLE_CAST_RENDERER)
void InterfaceFactoryImpl::CreateCastRenderer(
const base::UnguessableToken& overlay_plane_id,
media::mojom::RendererRequest request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_MOJO_RENDERER)
auto renderer = mojo_media_client_->CreateCastRenderer(
interfaces_.get(), base::ThreadTaskRunnerHandle::Get(), &media_log_,
overlay_plane_id);
if (!renderer) {
DLOG(ERROR) << "Renderer creation failed.";
return;
}
std::unique_ptr<MojoRendererService> mojo_renderer_service =
std::make_unique<MojoRendererService>(&cdm_service_context_,
std::move(renderer));
MojoRendererService* mojo_renderer_service_ptr = mojo_renderer_service.get();
mojo::BindingId binding_id = renderer_bindings_.AddBinding(
std::move(mojo_renderer_service), std::move(request));
// base::Unretained() is safe because the callback will be fired by
// |mojo_renderer_service|, which is owned by |renderer_bindings_|.
mojo_renderer_service_ptr->set_bad_message_cb(base::BindRepeating(
base::IgnoreResult(
&mojo::StrongBindingSet<mojom::Renderer>::RemoveBinding),
base::Unretained(&renderer_bindings_), binding_id));
#endif // BUILDFLAG(ENABLE_MOJO_RENDERER)
}
#endif
#if defined(OS_ANDROID)
void InterfaceFactoryImpl::CreateMediaPlayerRenderer(
mojom::MediaPlayerRendererClientExtensionPtr client_extension_ptr,
mojom::RendererRequest request,
mojom::MediaPlayerRendererExtensionRequest renderer_extension_request) {
NOTREACHED();
}
void InterfaceFactoryImpl::CreateFlingingRenderer(
const std::string& audio_device_id,
mojom::FlingingRendererClientExtensionPtr client_extension,
mojo::InterfaceRequest<mojom::Renderer> request) {
NOTREACHED();
}
#endif // defined(OS_ANDROID)
void InterfaceFactoryImpl::CreateCdm(
const std::string& /* key_system */,
mojo::InterfaceRequest<mojom::ContentDecryptionModule> request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_MOJO_CDM)
CdmFactory* cdm_factory = GetCdmFactory();
if (!cdm_factory)
return;
cdm_bindings_.AddBinding(
std::make_unique<MojoCdmService>(cdm_factory, &cdm_service_context_),
std::move(request));
#endif // BUILDFLAG(ENABLE_MOJO_CDM)
}
void InterfaceFactoryImpl::CreateDecryptor(int cdm_id,
mojom::DecryptorRequest request) {
DVLOG(2) << __func__;
auto mojo_decryptor_service =
MojoDecryptorService::Create(cdm_id, &cdm_service_context_);
if (!mojo_decryptor_service) {
DLOG(ERROR) << "MojoDecryptorService creation failed.";
return;
}
decryptor_bindings_.AddBinding(std::move(mojo_decryptor_service),
std::move(request));
}
void InterfaceFactoryImpl::CreateCdmProxy(const base::Token& cdm_guid,
mojom::CdmProxyRequest request) {
DVLOG(2) << __func__;
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
auto cdm_proxy = mojo_media_client_->CreateCdmProxy(cdm_guid);
if (!cdm_proxy) {
DLOG(ERROR) << "CdmProxy creation failed.";
return;
}
cdm_proxy_bindings_.AddBinding(
std::make_unique<MojoCdmProxyService>(std::move(cdm_proxy),
&cdm_service_context_),
std::move(request));
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
}
void InterfaceFactoryImpl::OnDestroyPending(base::OnceClosure destroy_cb) {
DVLOG(1) << __func__;
destroy_cb_ = std::move(destroy_cb);
if (IsEmpty())
std::move(destroy_cb_).Run();
// else the callback will be called when IsEmpty() becomes true.
}
bool InterfaceFactoryImpl::IsEmpty() {
#if BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
if (!audio_decoder_bindings_.empty())
return false;
#endif // BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
if (!video_decoder_bindings_.empty())
return false;
#endif // BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_RENDERER)
if (!renderer_bindings_.empty())
return false;
#endif // BUILDFLAG(ENABLE_MOJO_RENDERER)
#if BUILDFLAG(ENABLE_MOJO_CDM)
if (!cdm_bindings_.empty())
return false;
#endif // BUILDFLAG(ENABLE_MOJO_CDM)
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
if (!cdm_proxy_bindings_.empty())
return false;
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
if (!decryptor_bindings_.empty())
return false;
return true;
}
void InterfaceFactoryImpl::SetBindingConnectionErrorHandler() {
// base::Unretained is safe because all bindings are owned by |this|. If
// |this| is destructed, the bindings will be destructed as well and the
// connection error handler should never be called.
auto connection_error_cb = base::BindRepeating(
&InterfaceFactoryImpl::OnBindingConnectionError, base::Unretained(this));
#if BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
audio_decoder_bindings_.set_connection_error_handler(connection_error_cb);
#endif // BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
video_decoder_bindings_.set_connection_error_handler(connection_error_cb);
#endif // BUILDFLAG(ENABLE_MOJO_VIDEO_DECODER)
#if BUILDFLAG(ENABLE_MOJO_RENDERER)
renderer_bindings_.set_connection_error_handler(connection_error_cb);
#endif // BUILDFLAG(ENABLE_MOJO_RENDERER)
#if BUILDFLAG(ENABLE_MOJO_CDM)
cdm_bindings_.set_connection_error_handler(connection_error_cb);
#endif // BUILDFLAG(ENABLE_MOJO_CDM)
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
cdm_proxy_bindings_.set_connection_error_handler(connection_error_cb);
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
decryptor_bindings_.set_connection_error_handler(connection_error_cb);
}
void InterfaceFactoryImpl::OnBindingConnectionError() {
DVLOG(2) << __func__;
if (destroy_cb_ && IsEmpty())
std::move(destroy_cb_).Run();
}
#if BUILDFLAG(ENABLE_MOJO_CDM)
CdmFactory* InterfaceFactoryImpl::GetCdmFactory() {
if (!cdm_factory_) {
cdm_factory_ = mojo_media_client_->CreateCdmFactory(interfaces_.get());
LOG_IF(ERROR, !cdm_factory_) << "CdmFactory not available.";
}
return cdm_factory_.get();
}
#endif // BUILDFLAG(ENABLE_MOJO_CDM)
} // namespace media
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