chromium/third_party/blink/renderer/platform/graphics/video_frame_submitter.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_VIDEO_FRAME_SUBMITTER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_VIDEO_FRAME_SUBMITTER_H_

#include <memory>
#include <optional>

#include "base/memory/raw_ptr.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/timer/timer.h"
#include "cc/metrics/frame_sequence_tracker_collection.h"
#include "cc/metrics/frame_sorter.h"
#include "cc/metrics/video_playback_roughness_reporter.h"
#include "components/viz/client/shared_bitmap_reporter.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "components/viz/common/resources/shared_bitmap.h"
#include "components/viz/common/surfaces/child_local_surface_id_allocator.h"
#include "gpu/ipc/client/gpu_channel_observer.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/buffer.h"
#include "services/viz/public/mojom/compositing/compositor_frame_sink.mojom-blink.h"
#include "services/viz/public/mojom/compositing/frame_timing_details.mojom-blink.h"
#include "third_party/blink/public/mojom/frame_sinks/embedded_frame_sink.mojom-blink.h"
#include "third_party/blink/public/platform/web_video_frame_submitter.h"
#include "third_party/blink/renderer/platform/graphics/video_frame_resource_provider.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

// This single-threaded class facilitates the communication between the media
// stack and browser renderer, providing compositor frames containing video
// frames and corresponding resources to the |compositor_frame_sink_|.
//
// This class requires and uses a viz::ContextProvider, and thus, besides
// construction, must be consistently accessed from the same thread.
class PLATFORM_EXPORT VideoFrameSubmitter
    : public WebVideoFrameSubmitter,
      public viz::ContextLostObserver,
      public viz::SharedBitmapReporter,
      public gpu::GpuChannelLostObserver,
      public viz::mojom::blink::CompositorFrameSinkClient { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_VIDEO_FRAME_SUBMITTER_H_