1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4//
5// This file contains the implementation of ExynosV4L2Device used on
6// Exynos platform.
7
8#ifndef CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
9#define CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
10
11#include "content/common/gpu/media/v4l2_video_device.h"
12
13namespace content {
14
15class ExynosV4L2Device : public V4L2Device {
16 public:
17  explicit ExynosV4L2Device(Type type);
18  virtual ~ExynosV4L2Device();
19
20  // V4L2Device implementation.
21  virtual int Ioctl(int request, void* arg) OVERRIDE;
22  virtual bool Poll(bool poll_device, bool* event_pending) OVERRIDE;
23  virtual bool SetDevicePollInterrupt() OVERRIDE;
24  virtual bool ClearDevicePollInterrupt() OVERRIDE;
25  virtual void* Mmap(void* addr,
26                     unsigned int len,
27                     int prot,
28                     int flags,
29                     unsigned int offset) OVERRIDE;
30  virtual void Munmap(void* addr, unsigned int len) OVERRIDE;
31  virtual bool Initialize() OVERRIDE;
32  virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
33                                     EGLContext egl_context,
34                                     GLuint texture_id,
35                                     gfx::Size frame_buffer_size,
36                                     unsigned int buffer_index,
37                                     size_t planes_count) OVERRIDE;
38  virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
39                                     EGLImageKHR egl_image) OVERRIDE;
40  virtual GLenum GetTextureTarget() OVERRIDE;
41  virtual uint32 PreferredInputFormat() OVERRIDE;
42  virtual uint32 PreferredOutputFormat() OVERRIDE;
43
44 private:
45  const Type type_;
46
47  // The actual device fd.
48  int device_fd_;
49
50  // eventfd fd to signal device poll thread when its poll() should be
51  // interrupted.
52  int device_poll_interrupt_fd_;
53
54  DISALLOW_COPY_AND_ASSIGN(ExynosV4L2Device);
55};
56}  //  namespace content
57
58#endif  // CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
59