blob: 015d4efc645495802eb1d7a13097ef5a3cbb83a8 (
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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2022, Raspberry Pi Ltd
*
* statistics.h - Raspberry Pi generic statistics structure
*/
#pragma once
#include <memory>
#include <stdint.h>
#include <vector>
#include "histogram.h"
#include "region_stats.h"
namespace RPiController {
struct RgbySums {
RgbySums(uint64_t _rSum = 0, uint64_t _gSum = 0, uint64_t _bSum = 0, uint64_t _ySum = 0)
: rSum(_rSum), gSum(_gSum), bSum(_bSum), ySum(_ySum)
{
}
uint64_t rSum;
uint64_t gSum;
uint64_t bSum;
uint64_t ySum;
};
using RgbyRegions = RegionStats<RgbySums>;
using FocusRegions = RegionStats<uint64_t>;
struct Statistics {
/*
* All region based statistics are normalised to 16-bits, giving a
* maximum value of (1 << NormalisationFactorPow2) - 1.
*/
static constexpr unsigned int NormalisationFactorPow2 = 16;
/*
* Positioning of the AGC statistics gathering in the pipeline:
* Pre-WB correction or post-WB correction.
* Assume this is post-LSC.
*/
enum class AgcStatsPos { PreWb, PostWb };
const AgcStatsPos agcStatsPos;
/*
* Positioning of the AWB/ALSC statistics gathering in the pipeline:
* Pre-LSC or post-LSC.
*/
enum class ColourStatsPos { PreLsc, PostLsc };
const ColourStatsPos colourStatsPos;
Statistics(AgcStatsPos a, ColourStatsPos c)
: agcStatsPos(a), colourStatsPos(c)
{
}
/* Histogram statistics. Not all histograms may be populated! */
Histogram rHist;
Histogram gHist;
Histogram bHist;
Histogram yHist;
/* Row sums for flicker avoidance. */
std::vector<RgbySums> rowSums;
/* Region based colour sums. */
RgbyRegions agcRegions;
RgbyRegions awbRegions;
/* Region based focus FoM. */
FocusRegions focusRegions;
};
using StatisticsPtr = std::shared_ptr<Statistics>;
} /* namespace RPiController */
|
