From 0db2c8dc75e466e7648dc1b95380495c6a126349 Mon Sep 17 00:00:00 2001 From: Naushir Patuck Date: Sun, 3 May 2020 16:48:42 +0100 Subject: 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 Acked-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- src/ipa/raspberrypi/controller/rpi/dpc.cpp | 49 ++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/ipa/raspberrypi/controller/rpi/dpc.cpp (limited to 'src/ipa/raspberrypi/controller/rpi/dpc.cpp') diff --git a/src/ipa/raspberrypi/controller/rpi/dpc.cpp b/src/ipa/raspberrypi/controller/rpi/dpc.cpp new file mode 100644 index 00000000..d31fae97 --- /dev/null +++ b/src/ipa/raspberrypi/controller/rpi/dpc.cpp @@ -0,0 +1,49 @@ +/* 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 ¶ms) +{ + config_.strength = params.get("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); -- cgit v1.2.1