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Format.h
1 #pragma once
2
3 #include <cassert>
4
5 namespace fsdk
6 {
7
11 struct Format {
12
15 enum Type {
16 Unknown,
17 B8G8R8X8,
18 R8G8B8X8,
19 B8G8R8,
20 R8G8B8,
21 R8,
22 R16,
23 IR_X8X8X8,
24 YUV_NV21,
25 YUV_NV12
26 };
27
34 int getChannelCount() const noexcept {
35 switch(m_type) {
36 case B8G8R8X8:
37 case R8G8B8X8:
38 case B8G8R8:
39 case R8G8B8:
40 case IR_X8X8X8:
41 case YUV_NV21:
42 case YUV_NV12:
43 return 3;
44 case R8:
45 case R16:
46 return 1;
47 default:
48 return 0;
49 }
50 }
51
56 int getChannelStep() const noexcept {
57 switch(m_type) {
58 case B8G8R8X8:
59 case R8G8B8X8:
60 return 4;
61 case B8G8R8:
62 case R8G8B8:
63 case IR_X8X8X8:
64 return 3;
65 case R8:
66 case R16:
67 case YUV_NV21:
68 case YUV_NV12:
69 return 1;
70 default:
71 return 0;
72 }
73 }
74
78 int getChannelSize() const noexcept {
79 switch(m_type) {
80 case B8G8R8X8:
81 case R8G8B8X8:
82 case B8G8R8:
83 case R8G8B8:
84 case IR_X8X8X8:
85 case R8:
86 return 8;
87 case R16:
88 return 16;
89 case YUV_NV21:
90 case YUV_NV12:
91 return 12;
92 default:
93 return 0;
94 }
95 }
96
100 int getBitDepth() const noexcept {
101 return getChannelStep() * getChannelSize();
102 }
103
107 int getByteDepth() const noexcept {
108 if(isBlock()) {
109 assert(!"Not implemented");
110 return 0;
111 }
112 else {
113 return getBitDepth() >> 3;
114 }
115 }
116
121 int computePitch(int rowWidth) const noexcept {
122 return rowWidth * getByteDepth();
123 }
124
127 bool isPadded() const noexcept {
128 switch(m_type) {
129 case B8G8R8X8:
130 case R8G8B8X8:
131 return true;
132 default:
133 return false;
134 }
135 }
136
141 bool isBGR() const noexcept {
142 switch(m_type) {
143 case B8G8R8X8:
144 case B8G8R8:
145 return true;
146 default:
147 return false;
148 }
149 }
150
153 bool isYUV() const noexcept {
154 switch(m_type) {
155 case YUV_NV21:
156 case YUV_NV12:
157 return true;
158 default:
159 return false;
160 }
161 }
162
167 bool isBlock() const noexcept {
168 return false;
169 }
170
174 bool isValid() const noexcept {
175 return m_type != Unknown;
176 }
177
181 Format() noexcept : m_type(Unknown) {}
182
186 Format(Type type) noexcept : m_type(type) {}
187
189 operator Type () const noexcept {
190 return m_type;
191 }
192
193 protected:
194 Type m_type;
195 };
196 }
197
198
fsdk::Format::getBitDepth
int getBitDepth() const noexcept
Get number of bits per pixel.
Definition: Format.h:100
fsdk::Format::getChannelSize
int getChannelSize() const noexcept
Get color channel size in bits.
Definition: Format.h:78
fsdk::Format::R8G8B8
3 channel, 8 bit per channel, R-G-B color order format;
Definition: Format.h:20
fsdk::Format::Unknown
unknown format.
Definition: Format.h:16
fsdk::Format::getChannelStep
int getChannelStep() const noexcept
Get channel step.
Definition: Format.h:56
fsdk::Format::isBlock
bool isBlock() const noexcept
Definition: Format.h:167
fsdk::Format::Format
Format() noexcept
Initializes format structure.
Definition: Format.h:181
fsdk::Format::computePitch
int computePitch(int rowWidth) const noexcept
Compute row size in bytes.
Definition: Format.h:121
fsdk::Format::isValid
bool isValid() const noexcept
Definition: Format.h:174
fsdk::Format
Image format.
Definition: Format.h:11
fsdk::Format::isBGR
bool isBGR() const noexcept
Definition: Format.h:141
fsdk::Format::getChannelCount
int getChannelCount() const noexcept
Get color channel count.
Definition: Format.h:34
fsdk::Format::YUV_NV12
4:2:0 planar format with a plane of 8-bit Y samples followed by interleaved 2x2 subsampled U/V 8-bit ...
Definition: Format.h:25
fsdk::Format::getByteDepth
int getByteDepth() const noexcept
Get number of bytes per pixel.
Definition: Format.h:107
fsdk::Format::B8G8R8
3 channel, 8 bit per channel, B-G-R color order format;
Definition: Format.h:19
fsdk::Format::Type
Type
Format type enumeration.
Definition: Format.h:15
fsdk::Format::m_type
Type m_type
Format type.
Definition: Format.h:194
fsdk::Format::isPadded
bool isPadded() const noexcept
Definition: Format.h:127
fsdk::Format::R8
1 channel, 8 bit per channel format;
Definition: Format.h:21
fsdk::Format::B8G8R8X8
3 channel, 8 bit per channel, B-G-R color order format with 8 bit padding before next pixel; ...
Definition: Format.h:17
fsdk::Format::R16
1 channel, 16 bit per channel format;
Definition: Format.h:22
fsdk::Format::R8G8B8X8
3 channel, 8 bit per channel, R-G-B color order format with 8 bit padding before next pixel; ...
Definition: Format.h:18
fsdk::Format::YUV_NV21
4:2:0 planar format with a plane of 8-bit Y samples followed by interleaved 2x2 subsampled V/U 8-bit ...
Definition: Format.h:24
fsdk::Format::isYUV
bool isYUV() const noexcept
Definition: Format.h:153
fsdk::Format::Format
Format(Type type) noexcept
Initializes format structure.
Definition: Format.h:186
fsdk::Format::IR_X8X8X8
3 channel, 8 bit per channel format with InfraRed semantics;
Definition: Format.h:23