chromium/third_party/blink/renderer/modules/webcodecs/background_readback.h

// Copyright 2022 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_MODULES_WEBCODECS_BACKGROUND_READBACK_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBCODECS_BACKGROUND_READBACK_H_

#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/types/pass_key.h"
#include "media/base/video_frame.h"
#include "media/base/video_frame_pool.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/webcodecs/video_frame_layout.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/skia/include/gpu/GrTypes.h"

namespace blink {

class SyncReadbackThread;

// This class moves synchronous VideoFrame readback to a separate worker
// thread to avoid blocking the main thread.
class MODULES_EXPORT BackgroundReadback
    : public GarbageCollected<BackgroundReadback>,
      public Supplement<ExecutionContext> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBCODECS_BACKGROUND_READBACK_H_