7a80e01b4a
Denoise and Sharpness filters will be applied by RkISP1 during the demosaicing step. The denoise filter is responsible for removing noise from the image, while the sharpness filter will enhance its acutance. Add filter algorithm with denoise and sharpness values based on user controls. Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
174 lines
4.9 KiB
C++
174 lines
4.9 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2021-2022, Ideas On Board
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*
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* ipa_context.cpp - RkISP1 IPA Context
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*/
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#include "ipa_context.h"
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/**
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* \file ipa_context.h
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* \brief Context and state information shared between the algorithms
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*/
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namespace libcamera::ipa::rkisp1 {
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/**
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* \struct IPASessionConfiguration
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* \brief Session configuration for the IPA module
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*
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* The session configuration contains all IPA configuration parameters that
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* remain constant during the capture session, from IPA module start to stop.
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* It is typically set during the configure() operation of the IPA module, but
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* may also be updated in the start() operation.
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*/
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/**
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* \struct IPAFrameContext
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* \brief Per-frame context for algorithms
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*
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* The frame context stores data specific to a single frame processed by the
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* IPA. Each frame processed by the IPA has a context associated with it,
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* accessible through the IPAContext structure.
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*
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* \todo Detail how to access contexts for a particular frame
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*
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* Each of the fields in the frame context belongs to either a specific
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* algorithm, or to the top-level IPA module. A field may be read by any
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* algorithm, but should only be written by its owner.
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*/
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/**
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* \struct IPAContext
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* \brief Global IPA context data shared between all algorithms
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*
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* \var IPAContext::configuration
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* \brief The IPA session configuration, immutable during the session
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*
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* \var IPAContext::frameContext
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* \brief The frame context for the frame being processed
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*
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* \todo While the frame context is supposed to be per-frame, this
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* single frame context stores data related to both the current frame
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* and the previous frames, with fields being updated as the algorithms
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* are run. This needs to be turned into real per-frame data storage.
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*/
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/**
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* \var IPASessionConfiguration::agc
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* \brief AGC parameters configuration of the IPA
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*
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* \var IPASessionConfiguration::agc.minShutterSpeed
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* \brief Minimum shutter speed supported with the configured sensor
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*
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* \var IPASessionConfiguration::agc.maxShutterSpeed
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* \brief Maximum shutter speed supported with the configured sensor
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*
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* \var IPASessionConfiguration::agc.minAnalogueGain
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* \brief Minimum analogue gain supported with the configured sensor
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*
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* \var IPASessionConfiguration::agc.maxAnalogueGain
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* \brief Maximum analogue gain supported with the configured sensor
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*
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* \var IPASessionConfiguration::agc.measureWindow
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* \brief AGC measure window
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*
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* \var IPASessionConfiguration::hw
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* \brief RkISP1-specific hardware information
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*
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* \var IPASessionConfiguration::hw.revision
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* \brief Hardware revision of the ISP
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*/
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/**
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* \var IPASessionConfiguration::awb
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* \brief AWB parameters configuration of the IPA
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*
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* \var IPASessionConfiguration::awb.measureWindow
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* \brief AWB measure window
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*/
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/**
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* \var IPASessionConfiguration::sensor
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* \brief Sensor-specific configuration of the IPA
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*
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* \var IPASessionConfiguration::sensor.lineDuration
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* \brief Line duration in microseconds
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*
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* \var IPASessionConfiguration::sensor.size
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* \brief Sensor output resolution
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*/
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/**
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* \var IPAFrameContext::agc
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* \brief Context for the Automatic Gain Control algorithm
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*
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* The exposure and gain determined are expected to be applied to the sensor
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* at the earliest opportunity.
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*
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* \var IPAFrameContext::agc.exposure
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* \brief Exposure time expressed as a number of lines
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*
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* \var IPAFrameContext::agc.gain
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* \brief Analogue gain multiplier
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*
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* The gain should be adapted to the sensor specific gain code before applying.
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*/
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/**
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* \var IPAFrameContext::awb
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* \brief Context for the Automatic White Balance algorithm
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*
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* \struct IPAFrameContext::awb.gains
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* \brief White balance gains
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*
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* \var IPAFrameContext::awb.gains.red
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* \brief White balance gain for R channel
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*
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* \var IPAFrameContext::awb.gains.green
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* \brief White balance gain for G channel
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*
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* \var IPAFrameContext::awb.gains.blue
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* \brief White balance gain for B channel
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*
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* \var IPAFrameContext::awb.temperatureK
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* \brief Estimated color temperature
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*/
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/**
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* \var IPAFrameContext::filter
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* \brief Context for the Filter algorithm
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*
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* \struct IPAFrameContext::filter.denoise
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* \brief Denoising level
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*
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* \var IPAFrameContext::filter.sharpness
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* \brief Sharpness level
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*
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* \var IPAFrameContext::filter.updateParams
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* \brief Indicates if ISP parameters need to be updated
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*/
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/**
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* \var IPAFrameContext::sensor
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* \brief Effective sensor values
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*
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* \var IPAFrameContext::sensor.exposure
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* \brief Exposure time expressed as a number of lines
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*
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* \var IPAFrameContext::sensor.gain
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* \brief Analogue gain multiplier
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*/
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/**
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* \var IPAFrameContext::frameCount
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* \brief Counter of requests queued to the IPA module
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*
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* The counter is reset to 0 when the IPA module is configured, and is
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* incremented for each request being queued, after calling the
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* Algorithm::prepare() function of all algorithms.
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*/
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} /* namespace libcamera::ipa::rkisp1 */
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