blob: 51a8a6b8b0ae9a0eb68187fbf7e7691183cb066a (
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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* formats.h - libcamera image formats
*/
#ifndef __LIBCAMERA_INTERNAL_FORMATS_H__
#define __LIBCAMERA_INTERNAL_FORMATS_H__
#include <array>
#include <map>
#include <vector>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>
#include "libcamera/internal/v4l2_pixelformat.h"
namespace libcamera {
struct PixelFormatPlaneInfo
{
unsigned int bytesPerGroup;
unsigned int verticalSubSampling;
};
class PixelFormatInfo
{
public:
enum ColourEncoding {
ColourEncodingRGB,
ColourEncodingYUV,
ColourEncodingRAW,
};
bool isValid() const { return format.isValid(); }
static const PixelFormatInfo &info(const PixelFormat &format);
static const PixelFormatInfo &info(const V4L2PixelFormat &format);
static const PixelFormatInfo &info(const std::string &name);
unsigned int stride(unsigned int width, unsigned int plane,
unsigned int align = 1) const;
unsigned int frameSize(const Size &size, unsigned int align = 1) const;
unsigned int frameSize(const Size &size,
const std::array<unsigned int, 3> &strides) const;
unsigned int numPlanes() const;
/* \todo Add support for non-contiguous memory planes */
const char *name;
PixelFormat format;
V4L2PixelFormat v4l2Format;
unsigned int bitsPerPixel;
enum ColourEncoding colourEncoding;
bool packed;
unsigned int pixelsPerGroup;
std::array<PixelFormatPlaneInfo, 3> planes;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_FORMATS_H__ */
|