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Side by Side Diff: content/common/gpu/media/exynos_v4l2_video_device.h

Issue 730693005: Generalize V4L2 HW video codec device names (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years 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 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
13 namespace content {
14
15 class 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_
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