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/black_level.cpp | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/ipa/raspberrypi/controller/rpi/black_level.cpp (limited to 'src/ipa/raspberrypi/controller/rpi/black_level.cpp') diff --git a/src/ipa/raspberrypi/controller/rpi/black_level.cpp b/src/ipa/raspberrypi/controller/rpi/black_level.cpp new file mode 100644 index 00000000..59c9f5a6 --- /dev/null +++ b/src/ipa/raspberrypi/controller/rpi/black_level.cpp @@ -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 +#include + +#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( + "black_level", 4096); // 64 in 10 bits scaled to 16 bits + black_level_r_ = params.get("black_level_r", black_level); + black_level_g_ = params.get("black_level_g", black_level); + black_level_b_ = params.get("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); -- cgit v1.2.1