0db2c8dc75
Initial implementation of the Raspberry Pi (BCM2835) libcamera IPA and associated libraries. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
|
|
/*
|
|
* Copyright (C) 2019, Raspberry Pi (Trading) Limited
|
|
*
|
|
* black_level.cpp - black level control algorithm
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <stdint.h>
|
|
|
|
#include "../black_level_status.h"
|
|
#include "../logging.hpp"
|
|
|
|
#include "black_level.hpp"
|
|
|
|
using namespace RPi;
|
|
|
|
#define NAME "rpi.black_level"
|
|
|
|
BlackLevel::BlackLevel(Controller *controller)
|
|
: Algorithm(controller)
|
|
{
|
|
}
|
|
|
|
char const *BlackLevel::Name() const
|
|
{
|
|
return NAME;
|
|
}
|
|
|
|
void BlackLevel::Read(boost::property_tree::ptree const ¶ms)
|
|
{
|
|
RPI_LOG(Name());
|
|
uint16_t black_level = params.get<uint16_t>(
|
|
"black_level", 4096); // 64 in 10 bits scaled to 16 bits
|
|
black_level_r_ = params.get<uint16_t>("black_level_r", black_level);
|
|
black_level_g_ = params.get<uint16_t>("black_level_g", black_level);
|
|
black_level_b_ = params.get<uint16_t>("black_level_b", black_level);
|
|
}
|
|
|
|
void BlackLevel::Prepare(Metadata *image_metadata)
|
|
{
|
|
// Possibly we should think about doing this in a switch_mode or
|
|
// something?
|
|
struct BlackLevelStatus status;
|
|
status.black_level_r = black_level_r_;
|
|
status.black_level_g = black_level_g_;
|
|
status.black_level_b = black_level_b_;
|
|
image_metadata->Set("black_level.status", status);
|
|
}
|
|
|
|
// Register algorithm with the system.
|
|
static Algorithm *Create(Controller *controller)
|
|
{
|
|
return new BlackLevel(controller);
|
|
}
|
|
static RegisterAlgorithm reg(NAME, &Create);
|