blob: 921f80344ec9717c5afd1989f844ea5376c899fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// 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 an interface of output pictures for the Vaapi
// video decoder. This is implemented by different window system
// (X11/Ozone) and used by VaapiVideoDecodeAccelerator to produce
// output pictures.
#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_
#define CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/threading/non_thread_safe.h"
#include "ui/gfx/geometry/size.h"
namespace gl {
class GLImage;
}
namespace content {
class VASurface;
class VaapiWrapper;
// Picture is native pixmap abstraction (X11/Ozone).
class VaapiPicture : public base::NonThreadSafe {
public:
virtual ~VaapiPicture() {}
// Try to allocate the underlying resources for the picture.
virtual bool Initialize() = 0;
int32_t picture_buffer_id() const { return picture_buffer_id_; }
uint32_t texture_id() const { return texture_id_; }
const gfx::Size& size() const { return size_; }
virtual bool AllowOverlay() const;
// Returns the |GLImage|, if any, to bind to the texture.
virtual scoped_refptr<gl::GLImage> GetImageToBind() = 0;
// Downloads the |va_surface| into the picture, potentially scaling
// it if needed.
virtual bool DownloadFromSurface(
const scoped_refptr<VASurface>& va_surface) = 0;
// Create a VaapiPicture of |size| to be associated with
// |picture_buffer_id| and bound to |texture_id|.
// |make_context_current| is provided for the GL operations.
static linked_ptr<VaapiPicture> CreatePicture(
const scoped_refptr<VaapiWrapper>& vaapi_wrapper,
const base::Callback<bool(void)> make_context_current,
int32_t picture_buffer_id,
uint32_t texture_id,
const gfx::Size& size);
// Get the texture target used to bind EGLImages (either
// GL_TEXTURE_2D on X11 or GL_TEXTURE_EXTERNAL_OES on DRM).
static uint32_t GetGLTextureTarget();
protected:
VaapiPicture(int32_t picture_buffer_id,
uint32_t texture_id,
const gfx::Size& size)
: picture_buffer_id_(picture_buffer_id),
texture_id_(texture_id),
size_(size) {}
private:
int32_t picture_buffer_id_;
uint32_t texture_id_;
gfx::Size size_;
DISALLOW_COPY_AND_ASSIGN(VaapiPicture);
};
} // namespace content
#endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_
|
