libcamera: ipa: Raspberry Pi IPA

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>
This commit is contained in:
Naushir Patuck 2020-05-03 16:48:42 +01:00 committed by Laurent Pinchart
parent 740fd1b62f
commit 0db2c8dc75
69 changed files with 8242 additions and 0 deletions

View file

@ -0,0 +1,56 @@
/* 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 &params)
{
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);