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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Ideas On Board
*
* ipa_context.cpp - RkISP1 IPA Context
*/
#include "ipa_context.h"
/**
* \file ipa_context.h
* \brief Context and state information shared between the algorithms
*/
namespace libcamera::ipa::rkisp1 {
/**
* \struct IPASessionConfiguration
* \brief Session configuration for the IPA module
*
* The session configuration contains all IPA configuration parameters that
* remain constant during the capture session, from IPA module start to stop.
* It is typically set during the configure() operation of the IPA module, but
* may also be updated in the start() operation.
*/
/**
* \struct IPAFrameContext
* \brief Per-frame context for algorithms
*
* The frame context stores data specific to a single frame processed by the
* IPA. Each frame processed by the IPA has a context associated with it,
* accessible through the IPAContext structure.
*
* \todo Detail how to access contexts for a particular frame
*
* Each of the fields in the frame context belongs to either a specific
* algorithm, or to the top-level IPA module. A field may be read by any
* algorithm, but should only be written by its owner.
*/
/**
* \struct IPAContext
* \brief Global IPA context data shared between all algorithms
*
* \var IPAContext::configuration
* \brief The IPA session configuration, immutable during the session
*
* \var IPAContext::frameContext
* \brief The frame context for the frame being processed
*
* \todo While the frame context is supposed to be per-frame, this
* single frame context stores data related to both the current frame
* and the previous frames, with fields being updated as the algorithms
* are run. This needs to be turned into real per-frame data storage.
*/
/**
* \var IPASessionConfiguration::hw
* \brief RkISP1-specific hardware information
*
* \var IPASessionConfiguration::hw.revision
* \brief Hardware revision of the ISP
*/
} /* namespace libcamera::ipa::rkisp1 */
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