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// Copyright 2021 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.
#ifndef MEDIA_MOJO_SERVICES_MEDIA_FOUNDATION_RENDERER_WRAPPER_H_
#define MEDIA_MOJO_SERVICES_MEDIA_FOUNDATION_RENDERER_WRAPPER_H_
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "media/base/media_resource.h"
#include "media/base/pipeline_status.h"
#include "media/base/renderer.h"
#include "media/base/renderer_client.h"
#include "media/mojo/mojom/dcomp_surface_registry.mojom.h"
#include "media/mojo/mojom/frame_interface_factory.mojom.h"
#include "media/mojo/mojom/renderer_extensions.mojom.h"
#include "media/renderers/win/media_foundation_renderer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace media {
// Wrap media::MediaFoundationRenderer to remove its dependence on
// media::mojom::MediaFoundationRendererExtension interface.
class MediaFoundationRendererWrapper final
: public Renderer,
public mojom::MediaFoundationRendererExtension,
public mojom::MuteStateObserver {
public:
using RendererExtension = mojom::MediaFoundationRendererExtension;
MediaFoundationRendererWrapper(
scoped_refptr<base::SequencedTaskRunner> task_runner,
mojom::FrameInterfaceFactory* frame_interfaces,
mojo::PendingRemote<mojom::MediaLog> media_log_remote,
mojo::PendingReceiver<RendererExtension> renderer_extension_receiver);
MediaFoundationRendererWrapper(const MediaFoundationRendererWrapper&) =
delete;
MediaFoundationRendererWrapper operator=(
const MediaFoundationRendererWrapper&) = delete;
~MediaFoundationRendererWrapper() override;
// Renderer implementation.
void Initialize(MediaResource* media_resource,
RendererClient* client,
PipelineStatusCallback init_cb) override;
void SetCdm(CdmContext* cdm_context, CdmAttachedCB cdm_attached_cb) override;
void SetLatencyHint(absl::optional<base::TimeDelta> latency_hint) override;
void Flush(base::OnceClosure flush_cb) override;
void StartPlayingFrom(base::TimeDelta time) override;
void SetPlaybackRate(double playback_rate) override;
void SetVolume(float volume) override;
base::TimeDelta GetMediaTime() override;
// mojom::MediaFoundationRendererExtension implementation.
void GetDCOMPSurface(GetDCOMPSurfaceCallback callback) override;
void SetVideoStreamEnabled(bool enabled) override;
void SetOutputRect(const gfx::Rect& output_rect,
SetOutputRectCallback callback) override;
// mojom::MuteStateObserver implementation.
void OnMuteStateChange(bool muted) override;
private:
void OnReceiveDCOMPSurface(GetDCOMPSurfaceCallback callback,
base::win::ScopedHandle handle);
void OnDCOMPSurfaceHandleRegistered(
GetDCOMPSurfaceCallback callback,
const absl::optional<base::UnguessableToken>& token);
mojom::FrameInterfaceFactory* frame_interfaces_;
std::unique_ptr<MediaFoundationRenderer> renderer_;
mojo::Receiver<MediaFoundationRendererExtension> renderer_extension_receiver_;
mojo::Receiver<mojom::MuteStateObserver> site_mute_observer_;
float volume_ = 1.0;
bool muted_ = false; // Whether the site (WebContents) is muted.
bool has_get_dcomp_surface_called_ = false;
mojo::Remote<mojom::DCOMPSurfaceRegistry> dcomp_surface_registry_;
base::UnguessableToken dcomp_surface_token_;
base::WeakPtrFactory<MediaFoundationRendererWrapper> weak_factory_{this};
};
} // namespace media
#endif // MEDIA_MOJO_SERVICES_MEDIA_FOUNDATION_RENDERER_WRAPPER_H_
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