Migrate content/common/gpu/media code to media/gpu

content/common/gpu/media/gpu_jpeg_decode_accelerator.h

-// Copyright 2015 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_GPU_JPEG_DECODE_ACCELERATOR_H_
-#define CONTENT_COMMON_GPU_MEDIA_GPU_JPEG_DECODE_ACCELERATOR_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/non_thread_safe.h"
-#include "ipc/ipc_listener.h"
-#include "ipc/ipc_sender.h"
-#include "media/video/jpeg_decode_accelerator.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace gpu {
-class GpuChannel;
-}
-
-namespace content {
-class GpuJpegDecodeAccelerator
-    : public IPC::Sender,
-      public base::NonThreadSafe,
-      public base::SupportsWeakPtr<GpuJpegDecodeAccelerator> {
- public:
-  // |channel| must outlive this object.
-  GpuJpegDecodeAccelerator(
-      gpu::GpuChannel* channel,
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
-  ~GpuJpegDecodeAccelerator() override;
-
-  void AddClient(int32_t route_id, base::Callback<void(bool)> response);
-
-  void NotifyDecodeStatus(int32_t route_id,
-                          int32_t bitstream_buffer_id,
-                          media::JpegDecodeAccelerator::Error error);
-
-  // Function to delegate sending to actual sender.
-  bool Send(IPC::Message* message) override;
-
-  // Static query for JPEG supported. This query calls the appropriate
-  // platform-specific version.
-  static bool IsSupported();
-
- private:
-  using CreateJDAFp = std::unique_ptr<media::JpegDecodeAccelerator> (*)(
-      const scoped_refptr<base::SingleThreadTaskRunner>&);
-
-  class Client;
-  class MessageFilter;
-
-  void ClientRemoved();
-
-  static std::unique_ptr<media::JpegDecodeAccelerator> CreateV4L2JDA(
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
-  static std::unique_ptr<media::JpegDecodeAccelerator> CreateVaapiJDA(
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
-
-  // The lifetime of objects of this class is managed by a gpu::GpuChannel. The
-  // GpuChannels destroy all the GpuJpegDecodeAccelerator that they own when
-  // they are destroyed. So a raw pointer is safe.
-  gpu::GpuChannel* channel_;
-
-  // The message filter to run JpegDecodeAccelerator::Decode on IO thread.
-  scoped_refptr<MessageFilter> filter_;
-
-  // GPU child task runner.
-  scoped_refptr<base::SingleThreadTaskRunner> child_task_runner_;
-
-  // GPU IO task runner.
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  // Number of clients added to |filter_|.
-  int client_number_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(GpuJpegDecodeAccelerator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_MEDIA_GPU_JPEG_DECODE_ACCELERATOR_H_