OLD | NEW |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // This file contains the implementation of TegraV4L2Device used on | 5 // This file contains the implementation of TegraV4L2Device used on |
6 // Tegra platform. | 6 // Tegra platform. |
7 | 7 |
8 #ifndef CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ | 8 #ifndef CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ |
9 #define CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ | 9 #define CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ |
10 | 10 |
11 #include "content/common/gpu/media/v4l2_video_device.h" | 11 #include "content/common/gpu/media/v4l2_video_device.h" |
12 #include "ui/gl/gl_bindings.h" | 12 #include "ui/gl/gl_bindings.h" |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 | 15 |
16 // This class implements the V4L2Device interface for Tegra platform. | 16 // This class implements the V4L2Device interface for Tegra platform. |
17 // It interfaces with libtegrav4l2 library which provides API that exhibit the | 17 // It interfaces with libtegrav4l2 library which provides API that exhibit the |
18 // V4L2 specification via the library API instead of system calls. | 18 // V4L2 specification via the library API instead of system calls. |
19 class TegraV4L2Device : public V4L2Device { | 19 class TegraV4L2Device : public V4L2Device { |
20 public: | 20 public: |
21 explicit TegraV4L2Device(Type type); | 21 explicit TegraV4L2Device(Type type); |
22 virtual ~TegraV4L2Device(); | 22 virtual ~TegraV4L2Device(); |
23 | 23 |
24 virtual int Ioctl(int flags, void* arg) OVERRIDE; | 24 virtual int Ioctl(int flags, void* arg) override; |
25 virtual bool Poll(bool poll_device, bool* event_pending) OVERRIDE; | 25 virtual bool Poll(bool poll_device, bool* event_pending) override; |
26 virtual bool SetDevicePollInterrupt() OVERRIDE; | 26 virtual bool SetDevicePollInterrupt() override; |
27 virtual bool ClearDevicePollInterrupt() OVERRIDE; | 27 virtual bool ClearDevicePollInterrupt() override; |
28 virtual void* Mmap(void* addr, | 28 virtual void* Mmap(void* addr, |
29 unsigned int len, | 29 unsigned int len, |
30 int prot, | 30 int prot, |
31 int flags, | 31 int flags, |
32 unsigned int offset) OVERRIDE; | 32 unsigned int offset) override; |
33 virtual void Munmap(void* addr, unsigned int len) OVERRIDE; | 33 virtual void Munmap(void* addr, unsigned int len) override; |
34 virtual bool Initialize() OVERRIDE; | 34 virtual bool Initialize() override; |
35 virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display, | 35 virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display, |
36 EGLContext egl_context, | 36 EGLContext egl_context, |
37 GLuint texture_id, | 37 GLuint texture_id, |
38 gfx::Size frame_buffer_size, | 38 gfx::Size frame_buffer_size, |
39 unsigned int buffer_index, | 39 unsigned int buffer_index, |
40 size_t planes_count) OVERRIDE; | 40 size_t planes_count) override; |
41 virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display, | 41 virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display, |
42 EGLImageKHR egl_image) OVERRIDE; | 42 EGLImageKHR egl_image) override; |
43 virtual GLenum GetTextureTarget() OVERRIDE; | 43 virtual GLenum GetTextureTarget() override; |
44 virtual uint32 PreferredInputFormat() OVERRIDE; | 44 virtual uint32 PreferredInputFormat() override; |
45 virtual uint32 PreferredOutputFormat() OVERRIDE; | 45 virtual uint32 PreferredOutputFormat() override; |
46 | 46 |
47 private: | 47 private: |
48 const Type type_; | 48 const Type type_; |
49 | 49 |
50 // The actual device fd. | 50 // The actual device fd. |
51 int device_fd_; | 51 int device_fd_; |
52 | 52 |
53 DISALLOW_COPY_AND_ASSIGN(TegraV4L2Device); | 53 DISALLOW_COPY_AND_ASSIGN(TegraV4L2Device); |
54 }; | 54 }; |
55 | 55 |
56 } // namespace content | 56 } // namespace content |
57 | 57 |
58 #endif // CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ | 58 #endif // CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_ |
OLD | NEW |