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libcamera: ipa: Raspberry Pi IPA

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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
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49
src/ipa/raspberrypi/controller/rpi/dpc.cpp Normal file
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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019, Raspberry Pi (Trading) Limited
*
* dpc.cpp - DPC (defective pixel correction) control algorithm
*/
#include "../logging.hpp"
#include "dpc.hpp"
using namespace RPi;
// We use the lux status so that we can apply stronger settings in darkness (if
// necessary).
#define NAME "rpi.dpc"
Dpc::Dpc(Controller *controller)
: Algorithm(controller)
{
}
char const *Dpc::Name() const
{
return NAME;
}
void Dpc::Read(boost::property_tree::ptree const &params)
{
config_.strength = params.get<int>("strength", 1);
if (config_.strength < 0 || config_.strength > 2)
throw std::runtime_error("Dpc: bad strength value");
}
void Dpc::Prepare(Metadata *image_metadata)
{
DpcStatus dpc_status = {};
// Should we vary this with lux level or analogue gain? TBD.
dpc_status.strength = config_.strength;
RPI_LOG("Dpc: strength " << dpc_status.strength);
image_metadata->Set("dpc.status", dpc_status);
}
// Register algorithm with the system.
static Algorithm *Create(Controller *controller)
{
return (Algorithm *)new Dpc(controller);
}
static RegisterAlgorithm reg(NAME, &Create);