root/content/common/gpu/media/video_decode_accelerator_impl.h

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INCLUDED FROM

// Copyright 2013 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 CONTENT_COMMON_GPU_MEDIA_VIDEO_DECODE_ACCELERATOR_IMPL_H_
#define CONTENT_COMMON_GPU_MEDIA_VIDEO_DECODE_ACCELERATOR_IMPL_H_

#include "content/common/content_export.h"
#include "media/video/video_decode_accelerator.h"

namespace content {

class CONTENT_EXPORT VideoDecodeAcceleratorImpl
    : public media::VideoDecodeAccelerator {
 public:
  VideoDecodeAcceleratorImpl();
  virtual ~VideoDecodeAcceleratorImpl();

  // Returns true if VDA::Decode and VDA::Client callbacks can run on the IO
  // thread. Otherwise they will run on the GPU child thread. The purpose of
  // running Decode on the IO thread is to reduce decode latency. Note Decode
  // should return as soon as possible and not block on the IO thread. Also,
  // PictureReady should be run on the child thread if a picture is delivered
  // the first time so it can be cleared.
  virtual bool CanDecodeOnIOThread();
};

}  // namespace content

#endif  // CONTENT_COMMON_GPU_MEDIA_VIDEO_DECODE_ACCELERATOR_IMPL_H_
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