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Side by Side Diff: content/common/gpu/media/tegra_v4l2_video_device.h

Issue 882123004: Renamed v4l2_video_device.*->v4l2_device.* and generic_v4l2_video_device.*->generic_v4l2_device.* a… (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Changed the include to updated file name. Created 5 years, 9 months ago
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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 TegraV4L2Device used on
6 // Tegra platform.
7
8 #ifndef CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_
9 #define CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_
10
11 #include "content/common/gpu/media/v4l2_video_device.h"
12 #include "ui/gl/gl_bindings.h"
13
14 namespace content {
15
16 // This class implements the V4L2Device interface for Tegra platform.
17 // It interfaces with libtegrav4l2 library which provides API that exhibit the
18 // V4L2 specification via the library API instead of system calls.
19 class TegraV4L2Device : public V4L2Device {
20 public:
21 explicit TegraV4L2Device(Type type);
22
23 int Ioctl(int flags, void* arg) override;
24 bool Poll(bool poll_device, bool* event_pending) override;
25 bool SetDevicePollInterrupt() override;
26 bool ClearDevicePollInterrupt() override;
27 void* Mmap(void* addr,
28 unsigned int len,
29 int prot,
30 int flags,
31 unsigned int offset) override;
32 void Munmap(void* addr, unsigned int len) override;
33 bool Initialize() override;
34 bool CanCreateEGLImageFrom(uint32_t v4l2_pixfmt) override;
35 EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
36 EGLContext egl_context,
37 GLuint texture_id,
38 gfx::Size frame_buffer_size,
39 unsigned int buffer_index,
40 uint32_t v4l2_pixfmt,
41 size_t num_v4l2_planes);
42 EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
43 EGLImageKHR egl_image) override;
44 GLenum GetTextureTarget() override;
45 uint32 PreferredInputFormat() override;
46
47 private:
48 ~TegraV4L2Device() override;
49 const Type type_;
50
51 // The actual device fd.
52 int device_fd_;
53
54 DISALLOW_COPY_AND_ASSIGN(TegraV4L2Device);
55 };
56
57 } // namespace content
58
59 #endif // CONTENT_COMMON_GPU_MEDIA_TEGRA_V4L2_VIDEO_DEVICE_H_
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