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

content/common/gpu/media/generic_v4l2_device.h

-// Copyright 2014 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.
-//
-// This file contains the implementation of GenericV4L2Device used on
-// platforms, which provide generic V4L2 video codec devices.
-
-#ifndef CONTENT_COMMON_GPU_MEDIA_GENERIC_V4L2_DEVICE_H_
-#define CONTENT_COMMON_GPU_MEDIA_GENERIC_V4L2_DEVICE_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include "base/files/scoped_file.h"
-#include "base/macros.h"
-#include "content/common/gpu/media/v4l2_device.h"
-
-namespace content {
-
-class GenericV4L2Device : public V4L2Device {
- public:
-  explicit GenericV4L2Device(Type type);
-
-  // V4L2Device implementation.
-  int Ioctl(int request, void* arg) override;
-  bool Poll(bool poll_device, bool* event_pending) override;
-  bool SetDevicePollInterrupt() override;
-  bool ClearDevicePollInterrupt() override;
-  void* Mmap(void* addr,
-             unsigned int len,
-             int prot,
-             int flags,
-             unsigned int offset) override;
-  void Munmap(void* addr, unsigned int len) override;
-  bool Initialize() override;
-
-  std::vector<base::ScopedFD> GetDmabufsForV4L2Buffer(
-      int index,
-      size_t num_planes,
-      enum v4l2_buf_type type) override;
-
-  bool CanCreateEGLImageFrom(uint32_t v4l2_pixfmt) override;
-  EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
-                             EGLContext egl_context,
-                             GLuint texture_id,
-                             gfx::Size frame_buffer_size,
-                             unsigned int buffer_index,
-                             uint32_t v4l2_pixfmt,
-                             size_t num_v4l2_planes) override;
-  EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
-                             EGLImageKHR egl_image) override;
-  GLenum GetTextureTarget() override;
-  uint32_t PreferredInputFormat() override;
-
- private:
-  ~GenericV4L2Device() override;
-
-  // The actual device fd.
-  base::ScopedFD device_fd_;
-
-  // eventfd fd to signal device poll thread when its poll() should be
-  // interrupted.
-  base::ScopedFD device_poll_interrupt_fd_;
-
-  // Use libv4l2 when operating |device_fd_|.
-  bool use_libv4l2_;
-
-  DISALLOW_COPY_AND_ASSIGN(GenericV4L2Device);
-
-  // Lazily initialize static data after sandbox is enabled.  Return false on
-  // init failure.
-  static bool PostSandboxInitialization();
-};
-}  //  namespace content
-
-#endif  // CONTENT_COMMON_GPU_MEDIA_GENERIC_V4L2_DEVICE_H_