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
|
/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_VIDEO_I010_BUFFER_H_
#define API_VIDEO_I010_BUFFER_H_
#include <stdint.h>
#include <memory>
#include "api/scoped_refptr.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "rtc_base/memory/aligned_malloc.h"
namespace webrtc {
// Plain I010 buffer in standard memory.
class I010Buffer : public I010BufferInterface {
public:
// Create a new buffer.
static rtc::scoped_refptr<I010Buffer> Create(int width, int height);
// Create a new buffer and copy the pixel data.
static rtc::scoped_refptr<I010Buffer> Copy(const I010BufferInterface& buffer);
// Convert and put I420 buffer into a new buffer.
static rtc::scoped_refptr<I010Buffer> Copy(const I420BufferInterface& buffer);
// Return a rotated copy of `src`.
static rtc::scoped_refptr<I010Buffer> Rotate(const I010BufferInterface& src,
VideoRotation rotation);
// VideoFrameBuffer implementation.
rtc::scoped_refptr<I420BufferInterface> ToI420() override;
// PlanarYuv16BBuffer implementation.
int width() const override;
int height() const override;
const uint16_t* DataY() const override;
const uint16_t* DataU() const override;
const uint16_t* DataV() const override;
int StrideY() const override;
int StrideU() const override;
int StrideV() const override;
uint16_t* MutableDataY();
uint16_t* MutableDataU();
uint16_t* MutableDataV();
// Scale the cropped area of `src` to the size of `this` buffer, and
// write the result into `this`.
void CropAndScaleFrom(const I010BufferInterface& src,
int offset_x,
int offset_y,
int crop_width,
int crop_height);
// Scale all of `src` to the size of `this` buffer, with no cropping.
void ScaleFrom(const I010BufferInterface& src);
protected:
I010Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
~I010Buffer() override;
private:
const int width_;
const int height_;
const int stride_y_;
const int stride_u_;
const int stride_v_;
const std::unique_ptr<uint16_t, AlignedFreeDeleter> data_;
};
} // namespace webrtc
#endif // API_VIDEO_I010_BUFFER_H_
|
