media/mojo/clients/win/media_foundation_renderer_client_factory.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_MOJO_CLIENTS_WIN_MEDIA_FOUNDATION_RENDERER_CLIENT_FACTORY_H_
#define MEDIA_MOJO_CLIENTS_WIN_MEDIA_FOUNDATION_RENDERER_CLIENT_FACTORY_H_

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "media/base/renderer_factory.h"
#include "media/base/win/dcomp_texture_wrapper.h"
#include "media/base/win/overlay_state_observer_subscription.h"
#include "media/mojo/clients/mojo_renderer_factory.h"
#include "media/mojo/mojom/renderer_extensions.mojom.h"
#include "mojo/public/cpp/bindings/remote.h"

namespace media {

class MediaLog;

// The default class for creating a MediaFoundationRendererClient
// and its associated MediaFoundationRenderer.
class MediaFoundationRendererClientFactory : public media::RendererFactory {
 public:
  using GetDCOMPTextureWrapperCB =
      base::RepeatingCallback<std::unique_ptr<DCOMPTextureWrapper>()>;

  MediaFoundationRendererClientFactory(
      MediaLog* media_log,
      GetDCOMPTextureWrapperCB get_dcomp_texture_wrapper_cb,
      ObserveOverlayStateCB observe_overlay_state_cb,
      std::unique_ptr<media::MojoRendererFactory> mojo_renderer_factory,
      mojo::Remote<media::mojom::MediaFoundationRendererNotifier>
          media_foundation_renderer_notifier);
  ~MediaFoundationRendererClientFactory() override;

  std::unique_ptr<media::Renderer> CreateRenderer(
      const scoped_refptr<base::SequencedTaskRunner>& media_task_runner,
      const scoped_refptr<base::TaskRunner>& worker_task_runner,
      media::AudioRendererSink* audio_renderer_sink,
      media::VideoRendererSink* video_renderer_sink,
      media::RequestOverlayInfoCB request_surface_cb,
      const gfx::ColorSpace& target_color_space) override;

  // The MediaFoundationRenderer uses a Type::URL.
  media::MediaResource::Type GetRequiredMediaResourceType() override;

 private:
  // Raw pointer is safe since both `this` and the `media_log` are owned by
  // WebMediaPlayerImpl with the correct declaration order.
  raw_ptr<MediaLog> media_log_ = nullptr;

  GetDCOMPTextureWrapperCB get_dcomp_texture_wrapper_cb_;
  ObserveOverlayStateCB observe_overlay_state_cb_;
  std::unique_ptr<media::MojoRendererFactory> mojo_renderer_factory_;
  mojo::Remote<media::mojom::MediaFoundationRendererNotifier>
      media_foundation_renderer_notifier_;
};

}  // namespace media

#endif  // MEDIA_MOJO_CLIENTS_WIN_MEDIA_FOUNDATION_RENDERER_CLIENT_FACTORY_H_