media/mojo/services/gpu_mojo_media_client.cc

// Copyright 2016 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/gpu_mojo_media_client.h"

#include <utility>

#include "base/bind.h"
#include "build/build_config.h"
#include "gpu/ipc/service/gpu_channel.h"
#include "media/base/audio_decoder.h"
#include "media/base/cdm_factory.h"
#include "media/base/video_decoder.h"
#include "media/gpu/buildflags.h"
#include "media/gpu/ipc/service/media_gpu_channel_manager.h"
#include "media/gpu/ipc/service/vda_video_decoder.h"

#if defined(OS_ANDROID)
#include "base/memory/ptr_util.h"
#include "media/base/android/android_cdm_factory.h"
#include "media/filters/android/media_codec_audio_decoder.h"
#include "media/gpu/android/android_video_surface_chooser_impl.h"
#include "media/gpu/android/avda_codec_allocator.h"
#include "media/gpu/android/media_codec_video_decoder.h"
#include "media/gpu/android/video_frame_factory_impl.h"
#include "media/mojo/interfaces/media_drm_storage.mojom.h"
#include "media/mojo/interfaces/provision_fetcher.mojom.h"
#include "media/mojo/services/mojo_media_drm_storage.h"
#include "media/mojo/services/mojo_provision_fetcher.h"
#include "services/service_manager/public/cpp/connect.h"
#endif  // defined(OS_ANDROID)

// OS_WIN guards are needed for cross-compiling on linux.
#if defined(OS_WIN)
#include "media/gpu/windows/d3d11_video_decoder.h"
#endif  // defined(OS_WIN)

namespace media {

namespace {

// TODO(xhwang): Remove the duplicate code between GpuMojoMediaClient and
// AndroidMojoMediaClient.

#if defined(OS_ANDROID)
std::unique_ptr<ProvisionFetcher> CreateProvisionFetcher(
    service_manager::mojom::InterfaceProvider* interface_provider) {
  mojom::ProvisionFetcherPtr provision_fetcher_ptr;
  service_manager::GetInterface(interface_provider, &provision_fetcher_ptr);
  return std::make_unique<MojoProvisionFetcher>(
      std::move(provision_fetcher_ptr));
}

std::unique_ptr<MediaDrmStorage> CreateMediaDrmStorage(
    service_manager::mojom::InterfaceProvider* host_interfaces) {
  DCHECK(host_interfaces);
  mojom::MediaDrmStoragePtr media_drm_storage_ptr;
  service_manager::GetInterface(host_interfaces, &media_drm_storage_ptr);
  return std::make_unique<MojoMediaDrmStorage>(
      std::move(media_drm_storage_ptr));
}
#endif  // defined(OS_ANDROID)

#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
gpu::CommandBufferStub* GetCommandBufferStub(
    base::WeakPtr<MediaGpuChannelManager> media_gpu_channel_manager,
    base::UnguessableToken channel_token,
    int32_t route_id) {
  if (!media_gpu_channel_manager)
    return nullptr;

  gpu::GpuChannel* channel =
      media_gpu_channel_manager->LookupChannel(channel_token);
  if (!channel)
    return nullptr;

  return channel->LookupCommandBuffer(route_id);
}
#endif  // OS_ANDROID || OS_WIN

}  // namespace

GpuMojoMediaClient::GpuMojoMediaClient(
    const gpu::GpuPreferences& gpu_preferences,
    const gpu::GpuDriverBugWorkarounds& gpu_workarounds,
    scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner,
    base::WeakPtr<MediaGpuChannelManager> media_gpu_channel_manager,
    AndroidOverlayMojoFactoryCB android_overlay_factory_cb,
    CdmProxyFactoryCB cdm_proxy_factory_cb)
    : gpu_preferences_(gpu_preferences),
      gpu_workarounds_(gpu_workarounds),
      gpu_task_runner_(std::move(gpu_task_runner)),
      media_gpu_channel_manager_(std::move(media_gpu_channel_manager)),
      android_overlay_factory_cb_(std::move(android_overlay_factory_cb)),
      cdm_proxy_factory_cb_(std::move(cdm_proxy_factory_cb)) {}

GpuMojoMediaClient::~GpuMojoMediaClient() = default;

void GpuMojoMediaClient::Initialize(service_manager::Connector* connector) {}

std::unique_ptr<AudioDecoder> GpuMojoMediaClient::CreateAudioDecoder(
    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
#if defined(OS_ANDROID)
  return std::make_unique<MediaCodecAudioDecoder>(task_runner);
#else
  return nullptr;
#endif  // defined(OS_ANDROID)
}

std::unique_ptr<VideoDecoder> GpuMojoMediaClient::CreateVideoDecoder(
    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
    MediaLog* media_log,
    mojom::CommandBufferIdPtr command_buffer_id,
    RequestOverlayInfoCB request_overlay_info_cb) {
  // Both MCVD and D3D11 VideoDecoders need a command buffer.
  if (!command_buffer_id)
    return nullptr;

#if defined(OS_ANDROID)
  auto get_stub_cb =
      base::Bind(&GetCommandBufferStub, media_gpu_channel_manager_,
                 command_buffer_id->channel_token, command_buffer_id->route_id);
  return std::make_unique<MediaCodecVideoDecoder>(
      gpu_preferences_, DeviceInfo::GetInstance(),
      AVDACodecAllocator::GetInstance(gpu_task_runner_),
      std::make_unique<AndroidVideoSurfaceChooserImpl>(
          DeviceInfo::GetInstance()->IsSetOutputSurfaceSupported()),
      android_overlay_factory_cb_, std::move(request_overlay_info_cb),
      std::make_unique<VideoFrameFactoryImpl>(gpu_task_runner_,
                                              std::move(get_stub_cb)));
#elif defined(OS_MACOSX)
  return VdaVideoDecoder::Create(
      task_runner, gpu_task_runner_, media_log, gpu_preferences_,
      gpu_workarounds_,
      base::BindRepeating(&GetCommandBufferStub, media_gpu_channel_manager_,
                          command_buffer_id->channel_token,
                          command_buffer_id->route_id));
#elif defined(OS_WIN)
  return D3D11VideoDecoder::Create(
      gpu_task_runner_, gpu_preferences_, gpu_workarounds_,
      base::BindRepeating(&GetCommandBufferStub, media_gpu_channel_manager_,
                          command_buffer_id->channel_token,
                          command_buffer_id->route_id));
#else
  return nullptr;
#endif  // defined(OS_ANDROID)
}

std::unique_ptr<CdmFactory> GpuMojoMediaClient::CreateCdmFactory(
    service_manager::mojom::InterfaceProvider* interface_provider) {
#if defined(OS_ANDROID)
  return std::make_unique<AndroidCdmFactory>(
      base::Bind(&CreateProvisionFetcher, interface_provider),
      base::Bind(&CreateMediaDrmStorage, interface_provider));
#else
  return nullptr;
#endif  // defined(OS_ANDROID)
}

#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
std::unique_ptr<CdmProxy> GpuMojoMediaClient::CreateCdmProxy(
    const std::string& cdm_guid) {
  if (cdm_proxy_factory_cb_)
    return cdm_proxy_factory_cb_.Run(cdm_guid);

  return nullptr;
}
#endif  // BUILDFLAG(ENABLE_LIBRARY_CDMS)

}  // namespace media