diff options
Diffstat (limited to 'src/ipa')
190 files changed, 6674 insertions, 3700 deletions
diff --git a/src/ipa/ipa-sign-install.sh b/src/ipa/ipa-sign-install.sh index bcedb8b5..71696d5a 100755 --- a/src/ipa/ipa-sign-install.sh +++ b/src/ipa/ipa-sign-install.sh @@ -4,7 +4,7 @@ # # Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # -# ipa-sign-install.sh - Regenerate IPA module signatures when installing +# Regenerate IPA module signatures when installing key=$1 shift diff --git a/src/ipa/ipa-sign.sh b/src/ipa/ipa-sign.sh index 8673dad1..69024213 100755 --- a/src/ipa/ipa-sign.sh +++ b/src/ipa/ipa-sign.sh @@ -4,7 +4,7 @@ # # Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # -# ipa-sign.sh - Generate a signature for an IPA module +# Generate a signature for an IPA module key="$1" input="$2" diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp index 12927eec..29eb7355 100644 --- a/src/ipa/ipu3/algorithms/af.cpp +++ b/src/ipa/ipu3/algorithms/af.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Red Hat * - * af.cpp - IPU3 auto focus algorithm + * IPU3 auto focus algorithm */ #include "af.h" diff --git a/src/ipa/ipu3/algorithms/af.h b/src/ipa/ipu3/algorithms/af.h index c6168e30..68126d46 100644 --- a/src/ipa/ipu3/algorithms/af.h +++ b/src/ipa/ipu3/algorithms/af.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Red Hat * - * af.h - IPU3 Af algorithm + * IPU3 Af algorithm */ #pragma once diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp index 606a237a..0e0114f6 100644 --- a/src/ipa/ipu3/algorithms/agc.cpp +++ b/src/ipa/ipu3/algorithms/agc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * ipu3_agc.cpp - AGC/AEC mean-based control algorithm + * AGC/AEC mean-based control algorithm */ #include "agc.h" @@ -56,24 +56,32 @@ static constexpr utils::Duration kMaxShutterSpeed = 60ms; /* Histogram constants */ static constexpr uint32_t knumHistogramBins = 256; -/* Target value to reach for the top 2% of the histogram */ -static constexpr double kEvGainTarget = 0.5; - -/* Number of frames to wait before calculating stats on minimum exposure */ -static constexpr uint32_t kNumStartupFrames = 10; +Agc::Agc() + : minShutterSpeed_(0s), maxShutterSpeed_(0s) +{ +} -/* - * Relative luminance target. +/** + * \brief Initialise the AGC algorithm from tuning files + * \param[in] context The shared IPA context + * \param[in] tuningData The YamlObject containing Agc tuning data + * + * This function calls the base class' tuningData parsers to discover which + * control values are supported. * - * It's a number that's chosen so that, when the camera points at a grey - * target, the resulting image brightness is considered right. + * \return 0 on success or errors from the base class */ -static constexpr double kRelativeLuminanceTarget = 0.16; - -Agc::Agc() - : frameCount_(0), minShutterSpeed_(0s), - maxShutterSpeed_(0s), filteredExposure_(0s) +int Agc::init(IPAContext &context, const YamlObject &tuningData) { + int ret; + + ret = parseTuningData(tuningData); + if (ret) + return ret; + + context.ctrlMap.merge(controls()); + + return 0; } /** @@ -90,6 +98,7 @@ int Agc::configure(IPAContext &context, IPAActiveState &activeState = context.activeState; stride_ = configuration.grid.stride; + bdsGrid_ = configuration.grid.bdsGrid; minShutterSpeed_ = configuration.agc.minShutterSpeed; maxShutterSpeed_ = std::min(configuration.agc.maxShutterSpeed, @@ -102,168 +111,53 @@ int Agc::configure(IPAContext &context, activeState.agc.gain = minAnalogueGain_; activeState.agc.exposure = 10ms / configuration.sensor.lineDuration; - frameCount_ = 0; + context.activeState.agc.constraintMode = constraintModes().begin()->first; + context.activeState.agc.exposureMode = exposureModeHelpers().begin()->first; + + /* \todo Run this again when FrameDurationLimits is passed in */ + setLimits(minShutterSpeed_, maxShutterSpeed_, minAnalogueGain_, + maxAnalogueGain_); + resetFrameCount(); + return 0; } -/** - * \brief Estimate the mean value of the top 2% of the histogram - * \param[in] stats The statistics computed by the ImgU - * \param[in] grid The grid used to store the statistics in the IPU3 - * \return The mean value of the top 2% of the histogram - */ -double Agc::measureBrightness(const ipu3_uapi_stats_3a *stats, - const ipu3_uapi_grid_config &grid) const +Histogram Agc::parseStatistics(const ipu3_uapi_stats_3a *stats, + const ipu3_uapi_grid_config &grid) { - /* Initialise the histogram array */ uint32_t hist[knumHistogramBins] = { 0 }; + rgbTriples_.clear(); + for (unsigned int cellY = 0; cellY < grid.height; cellY++) { for (unsigned int cellX = 0; cellX < grid.width; cellX++) { uint32_t cellPosition = cellY * stride_ + cellX; const ipu3_uapi_awb_set_item *cell = reinterpret_cast<const ipu3_uapi_awb_set_item *>( - &stats->awb_raw_buffer.meta_data[cellPosition] - ); + &stats->awb_raw_buffer.meta_data[cellPosition]); + + rgbTriples_.push_back({ + cell->R_avg, + (cell->Gr_avg + cell->Gb_avg) / 2, + cell->B_avg + }); - uint8_t gr = cell->Gr_avg; - uint8_t gb = cell->Gb_avg; /* * Store the average green value to estimate the * brightness. Even the overexposed pixels are * taken into account. */ - hist[(gr + gb) / 2]++; + hist[(cell->Gr_avg + cell->Gb_avg) / 2]++; } } - /* Estimate the quantile mean of the top 2% of the histogram. */ - return Histogram(Span<uint32_t>(hist)).interQuantileMean(0.98, 1.0); -} - -/** - * \brief Apply a filter on the exposure value to limit the speed of changes - * \param[in] exposureValue The target exposure from the AGC algorithm - * - * The speed of the filter is adaptive, and will produce the target quicker - * during startup, or when the target exposure is within 20% of the most recent - * filter output. - * - * \return The filtered exposure - */ -utils::Duration Agc::filterExposure(utils::Duration exposureValue) -{ - double speed = 0.2; - - /* Adapt instantly if we are in startup phase. */ - if (frameCount_ < kNumStartupFrames) - speed = 1.0; - - /* - * If we are close to the desired result, go faster to avoid making - * multiple micro-adjustments. - * \todo Make this customisable? - */ - if (filteredExposure_ < 1.2 * exposureValue && - filteredExposure_ > 0.8 * exposureValue) - speed = sqrt(speed); - - filteredExposure_ = speed * exposureValue + - filteredExposure_ * (1.0 - speed); - - LOG(IPU3Agc, Debug) << "After filtering, exposure " << filteredExposure_; - - return filteredExposure_; -} - -/** - * \brief Estimate the new exposure and gain values - * \param[inout] frameContext The shared IPA frame Context - * \param[in] yGain The gain calculated based on the relative luminance target - * \param[in] iqMeanGain The gain calculated based on the relative luminance target - */ -void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, - double yGain, double iqMeanGain) -{ - const IPASessionConfiguration &configuration = context.configuration; - /* Get the effective exposure and gain applied on the sensor. */ - uint32_t exposure = frameContext.sensor.exposure; - double analogueGain = frameContext.sensor.gain; - - /* Use the highest of the two gain estimates. */ - double evGain = std::max(yGain, iqMeanGain); - - /* Consider within 1% of the target as correctly exposed */ - if (utils::abs_diff(evGain, 1.0) < 0.01) - LOG(IPU3Agc, Debug) << "We are well exposed (evGain = " - << evGain << ")"; - - /* extracted from Rpi::Agc::computeTargetExposure */ - - /* Calculate the shutter time in seconds */ - utils::Duration currentShutter = exposure * configuration.sensor.lineDuration; - - /* - * Update the exposure value for the next computation using the values - * of exposure and gain really used by the sensor. - */ - utils::Duration effectiveExposureValue = currentShutter * analogueGain; - - LOG(IPU3Agc, Debug) << "Actual total exposure " << currentShutter * analogueGain - << " Shutter speed " << currentShutter - << " Gain " << analogueGain - << " Needed ev gain " << evGain; - - /* - * Calculate the current exposure value for the scene as the latest - * exposure value applied multiplied by the new estimated gain. - */ - utils::Duration exposureValue = effectiveExposureValue * evGain; - - /* Clamp the exposure value to the min and max authorized */ - utils::Duration maxTotalExposure = maxShutterSpeed_ * maxAnalogueGain_; - exposureValue = std::min(exposureValue, maxTotalExposure); - LOG(IPU3Agc, Debug) << "Target total exposure " << exposureValue - << ", maximum is " << maxTotalExposure; - - /* - * Filter the exposure. - * \todo estimate if we need to desaturate - */ - exposureValue = filterExposure(exposureValue); - - /* - * Divide the exposure value as new exposure and gain values. - * - * Push the shutter time up to the maximum first, and only then - * increase the gain. - */ - utils::Duration shutterTime = - std::clamp<utils::Duration>(exposureValue / minAnalogueGain_, - minShutterSpeed_, maxShutterSpeed_); - double stepGain = std::clamp(exposureValue / shutterTime, - minAnalogueGain_, maxAnalogueGain_); - LOG(IPU3Agc, Debug) << "Divided up shutter and gain are " - << shutterTime << " and " - << stepGain; - - IPAActiveState &activeState = context.activeState; - /* Update the estimated exposure and gain. */ - activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration; - activeState.agc.gain = stepGain; + return Histogram(Span<uint32_t>(hist)); } /** * \brief Estimate the relative luminance of the frame with a given gain - * \param[in] frameContext The shared IPA frame context - * \param[in] grid The grid used to store the statistics in the IPU3 - * \param[in] stats The IPU3 statistics and ISP results - * \param[in] gain The gain to apply to the frame - * \return The relative luminance - * - * This function estimates the average relative luminance of the frame that - * would be output by the sensor if an additional \a gain was applied. + * \param[in] gain The gain to apply in estimating luminance * * The estimation is based on the AWB statistics for the current frame. Red, * green and blue averages for all cells are first multiplied by the gain, and @@ -278,40 +172,24 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, * * More detailed information can be found in: * https://en.wikipedia.org/wiki/Relative_luminance + * + * \return The relative luminance of the frame */ -double Agc::estimateLuminance(IPAActiveState &activeState, - const ipu3_uapi_grid_config &grid, - const ipu3_uapi_stats_3a *stats, - double gain) +double Agc::estimateLuminance(double gain) const { double redSum = 0, greenSum = 0, blueSum = 0; - /* Sum the per-channel averages, saturated to 255. */ - for (unsigned int cellY = 0; cellY < grid.height; cellY++) { - for (unsigned int cellX = 0; cellX < grid.width; cellX++) { - uint32_t cellPosition = cellY * stride_ + cellX; - - const ipu3_uapi_awb_set_item *cell = - reinterpret_cast<const ipu3_uapi_awb_set_item *>( - &stats->awb_raw_buffer.meta_data[cellPosition] - ); - const uint8_t G_avg = (cell->Gr_avg + cell->Gb_avg) / 2; - - redSum += std::min(cell->R_avg * gain, 255.0); - greenSum += std::min(G_avg * gain, 255.0); - blueSum += std::min(cell->B_avg * gain, 255.0); - } + for (unsigned int i = 0; i < rgbTriples_.size(); i++) { + redSum += std::min(std::get<0>(rgbTriples_[i]) * gain, 255.0); + greenSum += std::min(std::get<1>(rgbTriples_[i]) * gain, 255.0); + blueSum += std::min(std::get<2>(rgbTriples_[i]) * gain, 255.0); } - /* - * Apply the AWB gains to approximate colours correctly, use the Rec. - * 601 formula to calculate the relative luminance, and normalize it. - */ - double ySum = redSum * activeState.awb.gains.red * 0.299 - + greenSum * activeState.awb.gains.green * 0.587 - + blueSum * activeState.awb.gains.blue * 0.114; + double ySum = redSum * rGain_ * 0.299 + + greenSum * gGain_ * 0.587 + + blueSum * bGain_ * 0.114; - return ySum / (grid.height * grid.width) / 255; + return ySum / (bdsGrid_.height * bdsGrid_.width) / 255; } /** @@ -330,44 +208,36 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame, const ipu3_uapi_stats_3a *stats, ControlList &metadata) { - /* - * Estimate the gain needed to have the proportion of pixels in a given - * desired range. iqMean is the mean value of the top 2% of the - * cumulative histogram, and we want it to be as close as possible to a - * configured target. - */ - double iqMean = measureBrightness(stats, context.configuration.grid.bdsGrid); - double iqMeanGain = kEvGainTarget * knumHistogramBins / iqMean; + Histogram hist = parseStatistics(stats, context.configuration.grid.bdsGrid); + rGain_ = context.activeState.awb.gains.red; + gGain_ = context.activeState.awb.gains.blue; + bGain_ = context.activeState.awb.gains.green; /* - * Estimate the gain needed to achieve a relative luminance target. To - * account for non-linearity caused by saturation, the value needs to be - * estimated in an iterative process, as multiplying by a gain will not - * increase the relative luminance by the same factor if some image - * regions are saturated. + * The Agc algorithm needs to know the effective exposure value that was + * applied to the sensor when the statistics were collected. */ - double yGain = 1.0; - double yTarget = kRelativeLuminanceTarget; - - for (unsigned int i = 0; i < 8; i++) { - double yValue = estimateLuminance(context.activeState, - context.configuration.grid.bdsGrid, - stats, yGain); - double extraGain = std::min(10.0, yTarget / (yValue + .001)); - - yGain *= extraGain; - LOG(IPU3Agc, Debug) << "Y value: " << yValue - << ", Y target: " << yTarget - << ", gives gain " << yGain; - if (extraGain < 1.01) - break; - } - - computeExposure(context, frameContext, yGain, iqMeanGain); - frameCount_++; - utils::Duration exposureTime = context.configuration.sensor.lineDuration * frameContext.sensor.exposure; + double analogueGain = frameContext.sensor.gain; + utils::Duration effectiveExposureValue = exposureTime * analogueGain; + + utils::Duration shutterTime; + double aGain, dGain; + std::tie(shutterTime, aGain, dGain) = + calculateNewEv(context.activeState.agc.constraintMode, + context.activeState.agc.exposureMode, hist, + effectiveExposureValue); + + LOG(IPU3Agc, Debug) + << "Divided up shutter, analogue gain and digital gain are " + << shutterTime << ", " << aGain << " and " << dGain; + + IPAActiveState &activeState = context.activeState; + /* Update the estimated exposure and gain. */ + activeState.agc.exposure = shutterTime / context.configuration.sensor.lineDuration; + activeState.agc.gain = aGain; + metadata.set(controls::AnalogueGain, frameContext.sensor.gain); metadata.set(controls::ExposureTime, exposureTime.get<std::micro>()); diff --git a/src/ipa/ipu3/algorithms/agc.h b/src/ipa/ipu3/algorithms/agc.h index 9d6e3ff1..411f4da0 100644 --- a/src/ipa/ipu3/algorithms/agc.h +++ b/src/ipa/ipu3/algorithms/agc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * agc.h - IPU3 AGC/AEC mean-based control algorithm + * IPU3 AGC/AEC mean-based control algorithm */ #pragma once @@ -13,6 +13,9 @@ #include <libcamera/geometry.h> +#include "libipa/agc_mean_luminance.h" +#include "libipa/histogram.h" + #include "algorithm.h" namespace libcamera { @@ -21,12 +24,13 @@ struct IPACameraSensorInfo; namespace ipa::ipu3::algorithms { -class Agc : public Algorithm +class Agc : public Algorithm, public AgcMeanLuminance { public: Agc(); ~Agc() = default; + int init(IPAContext &context, const YamlObject &tuningData) override; int configure(IPAContext &context, const IPAConfigInfo &configInfo) override; void process(IPAContext &context, const uint32_t frame, IPAFrameContext &frameContext, @@ -34,17 +38,9 @@ public: ControlList &metadata) override; private: - double measureBrightness(const ipu3_uapi_stats_3a *stats, - const ipu3_uapi_grid_config &grid) const; - utils::Duration filterExposure(utils::Duration currentExposure); - void computeExposure(IPAContext &context, IPAFrameContext &frameContext, - double yGain, double iqMeanGain); - double estimateLuminance(IPAActiveState &activeState, - const ipu3_uapi_grid_config &grid, - const ipu3_uapi_stats_3a *stats, - double gain); - - uint64_t frameCount_; + double estimateLuminance(double gain) const override; + Histogram parseStatistics(const ipu3_uapi_stats_3a *stats, + const ipu3_uapi_grid_config &grid); utils::Duration minShutterSpeed_; utils::Duration maxShutterSpeed_; @@ -52,9 +48,12 @@ private: double minAnalogueGain_; double maxAnalogueGain_; - utils::Duration filteredExposure_; - uint32_t stride_; + double rGain_; + double gGain_; + double bGain_; + ipu3_uapi_grid_config bdsGrid_; + std::vector<std::tuple<uint8_t, uint8_t, uint8_t>> rgbTriples_; }; } /* namespace ipa::ipu3::algorithms */ diff --git a/src/ipa/ipu3/algorithms/algorithm.h b/src/ipa/ipu3/algorithms/algorithm.h index ae134a94..c7801f93 100644 --- a/src/ipa/ipu3/algorithms/algorithm.h +++ b/src/ipa/ipu3/algorithms/algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * algorithm.h - IPU3 control algorithm interface + * IPU3 control algorithm interface */ #pragma once diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp index 5abd4621..4d6e3994 100644 --- a/src/ipa/ipu3/algorithms/awb.cpp +++ b/src/ipa/ipu3/algorithms/awb.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * awb.cpp - AWB control algorithm + * AWB control algorithm */ #include "awb.h" diff --git a/src/ipa/ipu3/algorithms/awb.h b/src/ipa/ipu3/algorithms/awb.h index 7a70854e..c0202823 100644 --- a/src/ipa/ipu3/algorithms/awb.h +++ b/src/ipa/ipu3/algorithms/awb.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * awb.h - IPU3 AWB control algorithm + * IPU3 AWB control algorithm */ #pragma once diff --git a/src/ipa/ipu3/algorithms/blc.cpp b/src/ipa/ipu3/algorithms/blc.cpp index e838072a..257f40e2 100644 --- a/src/ipa/ipu3/algorithms/blc.cpp +++ b/src/ipa/ipu3/algorithms/blc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google inc. * - * blc.cpp - IPU3 Black Level Correction control + * IPU3 Black Level Correction control */ #include "blc.h" diff --git a/src/ipa/ipu3/algorithms/blc.h b/src/ipa/ipu3/algorithms/blc.h index 292bf67b..62748045 100644 --- a/src/ipa/ipu3/algorithms/blc.h +++ b/src/ipa/ipu3/algorithms/blc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google inc. * - * black_correction.h - IPU3 Black Level Correction control + * IPU3 Black Level Correction control */ #pragma once diff --git a/src/ipa/ipu3/algorithms/tone_mapping.cpp b/src/ipa/ipu3/algorithms/tone_mapping.cpp index a169894c..160338c1 100644 --- a/src/ipa/ipu3/algorithms/tone_mapping.cpp +++ b/src/ipa/ipu3/algorithms/tone_mapping.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google inc. * - * tone_mapping.cpp - IPU3 ToneMapping and Gamma control + * IPU3 ToneMapping and Gamma control */ #include "tone_mapping.h" diff --git a/src/ipa/ipu3/algorithms/tone_mapping.h b/src/ipa/ipu3/algorithms/tone_mapping.h index 5ae35da5..b2b38010 100644 --- a/src/ipa/ipu3/algorithms/tone_mapping.h +++ b/src/ipa/ipu3/algorithms/tone_mapping.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google inc. * - * tone_mapping.h - IPU3 ToneMapping and Gamma control + * IPU3 ToneMapping and Gamma control */ #pragma once diff --git a/src/ipa/ipu3/ipa_context.cpp b/src/ipa/ipu3/ipa_context.cpp index 959f314f..917d0654 100644 --- a/src/ipa/ipu3/ipa_context.cpp +++ b/src/ipa/ipu3/ipa_context.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google Inc. * - * ipa_context.cpp - IPU3 IPA Context + * IPU3 IPA Context */ #include "ipa_context.h" @@ -47,6 +47,9 @@ namespace libcamera::ipa::ipu3 { * * \var IPAContext::activeState * \brief The current state of IPA algorithms + * + * \var IPAContext::ctrlMap + * \brief A ControlInfoMap::Map of controls populated by the algorithms */ /** diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h index e9a3863b..c85d1e34 100644 --- a/src/ipa/ipu3/ipa_context.h +++ b/src/ipa/ipu3/ipa_context.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google Inc. * - * ipa_context.h - IPU3 IPA Context + * IPU3 IPA Context * */ @@ -12,6 +12,7 @@ #include <libcamera/base/utils.h> +#include <libcamera/controls.h> #include <libcamera/geometry.h> #include <libipa/fc_queue.h> @@ -55,6 +56,8 @@ struct IPAActiveState { struct { uint32_t exposure; double gain; + uint32_t constraintMode; + uint32_t exposureMode; } agc; struct { @@ -85,6 +88,8 @@ struct IPAContext { IPAActiveState activeState; FCQueue<IPAFrameContext> frameContexts; + + ControlInfoMap::Map ctrlMap; }; } /* namespace ipa::ipu3 */ diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp index 08ee6eb3..cdcdf1fb 100644 --- a/src/ipa/ipu3/ipu3.cpp +++ b/src/ipa/ipu3/ipu3.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2020, Google Inc. * - * ipu3.cpp - IPU3 Image Processing Algorithms + * IPU3 Image Processing Algorithms */ #include <algorithm> @@ -189,7 +189,7 @@ private: }; IPAIPU3::IPAIPU3() - : context_({ {}, {}, { kMaxFrameContexts } }) + : context_({ {}, {}, { kMaxFrameContexts }, {} }) { } @@ -287,6 +287,7 @@ void IPAIPU3::updateControls(const IPACameraSensorInfo &sensorInfo, frameDurations[1], frameDurations[2]); + controls.merge(context_.ctrlMap); *ipaControls = ControlInfoMap(std::move(controls), controls::controls); } @@ -672,7 +673,7 @@ extern "C" { const struct IPAModuleInfo ipaModuleInfo = { IPA_MODULE_API_VERSION, 1, - "PipelineHandlerIPU3", + "ipu3", "ipu3", }; diff --git a/src/ipa/ipu3/meson.build b/src/ipa/ipu3/meson.build index 66c39843..e76f97c0 100644 --- a/src/ipa/ipu3/meson.build +++ b/src/ipa/ipu3/meson.build @@ -15,9 +15,8 @@ ipu3_ipa_sources += ipu3_ipa_algorithms mod = shared_module(ipa_name, [ipu3_ipa_sources, libcamera_generated_ipa_headers], name_prefix : '', - include_directories : [ipa_includes, libipa_includes], - dependencies : libcamera_private, - link_with : libipa, + include_directories : [ipa_includes], + dependencies : [libcamera_private, libipa_dep], install : true, install_dir : ipa_install_dir) diff --git a/src/ipa/ipu3/module.h b/src/ipa/ipu3/module.h index d94fc459..60f65cc4 100644 --- a/src/ipa/ipu3/module.h +++ b/src/ipa/ipu3/module.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Ideas On Board * - * module.h - IPU3 IPA Module + * IPU3 IPA Module */ #pragma once diff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp new file mode 100644 index 00000000..271b5ae4 --- /dev/null +++ b/src/ipa/libipa/agc_mean_luminance.cpp @@ -0,0 +1,577 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024 Ideas on Board Oy + * + * Base class for mean luminance AGC algorithms + */ + +#include "agc_mean_luminance.h" + +#include <cmath> + +#include <libcamera/base/log.h> +#include <libcamera/control_ids.h> + +#include "exposure_mode_helper.h" + +using namespace libcamera::controls; + +/** + * \file agc_mean_luminance.h + * \brief Base class implementing mean luminance AEGC + */ + +namespace libcamera { + +using namespace std::literals::chrono_literals; + +LOG_DEFINE_CATEGORY(AgcMeanLuminance) + +namespace ipa { + +/* + * Number of frames for which to run the algorithm at full speed, before slowing + * down to prevent large and jarring changes in exposure from frame to frame. + */ +static constexpr uint32_t kNumStartupFrames = 10; + +/* + * Default relative luminance target + * + * This value should be chosen so that when the camera points at a grey target, + * the resulting image brightness looks "right". Custom values can be passed + * as the relativeLuminanceTarget value in sensor tuning files. + */ +static constexpr double kDefaultRelativeLuminanceTarget = 0.16; + +/** + * \struct AgcMeanLuminance::AgcConstraint + * \brief The boundaries and target for an AeConstraintMode constraint + * + * This structure describes an AeConstraintMode constraint for the purposes of + * this algorithm. These constraints are expressed as a pair of quantile + * boundaries for a histogram, along with a luminance target and a bounds-type. + * The algorithm uses the constraints by ensuring that the defined portion of a + * luminance histogram (I.E. lying between the two quantiles) is above or below + * the given luminance value. + */ + +/** + * \enum AgcMeanLuminance::AgcConstraint::Bound + * \brief Specify whether the constraint defines a lower or upper bound + * \var AgcMeanLuminance::AgcConstraint::lower + * \brief The constraint defines a lower bound + * \var AgcMeanLuminance::AgcConstraint::upper + * \brief The constraint defines an upper bound + */ + +/** + * \var AgcMeanLuminance::AgcConstraint::bound + * \brief The type of constraint bound + */ + +/** + * \var AgcMeanLuminance::AgcConstraint::qLo + * \brief The lower quantile to use for the constraint + */ + +/** + * \var AgcMeanLuminance::AgcConstraint::qHi + * \brief The upper quantile to use for the constraint + */ + +/** + * \var AgcMeanLuminance::AgcConstraint::yTarget + * \brief The luminance target for the constraint + */ + +/** + * \class AgcMeanLuminance + * \brief A mean-based auto-exposure algorithm + * + * This algorithm calculates a shutter time, analogue and digital gain such that + * the normalised mean luminance value of an image is driven towards a target, + * which itself is discovered from tuning data. The algorithm is a two-stage + * process. + * + * In the first stage, an initial gain value is derived by iteratively comparing + * the gain-adjusted mean luminance across the entire image against a target, + * and selecting a value which pushes it as closely as possible towards the + * target. + * + * In the second stage we calculate the gain required to drive the average of a + * section of a histogram to a target value, where the target and the boundaries + * of the section of the histogram used in the calculation are taken from the + * values defined for the currently configured AeConstraintMode within the + * tuning data. This class provides a helper function to parse those tuning data + * to discover the constraints, and so requires a specific format for those + * data which is described in \ref parseTuningData(). The gain from the first + * stage is then clamped to the gain from this stage. + * + * The final gain is used to adjust the effective exposure value of the image, + * and that new exposure value is divided into shutter time, analogue gain and + * digital gain according to the selected AeExposureMode. This class uses the + * \ref ExposureModeHelper class to assist in that division, and expects the + * data needed to initialise that class to be present in tuning data in a + * format described in \ref parseTuningData(). + * + * In order to be able to use this algorithm an IPA module needs to be able to + * do the following: + * + * 1. Provide a luminance estimation across an entire image. + * 2. Provide a luminance Histogram for the image to use in calculating + * constraint compliance. The precision of the Histogram that is available + * will determine the supportable precision of the constraints. + * + * IPA modules that want to use this class to implement their AEGC algorithm + * should derive it and provide an overriding estimateLuminance() function for + * this class to use. They must call parseTuningData() in init(), and must also + * call setLimits() and resetFrameCounter() in configure(). They may then use + * calculateNewEv() in process(). If the limits passed to setLimits() change for + * any reason (for example, in response to a FrameDurationLimit control being + * passed in queueRequest()) then setLimits() must be called again with the new + * values. + */ + +AgcMeanLuminance::AgcMeanLuminance() + : frameCount_(0), filteredExposure_(0s), relativeLuminanceTarget_(0) +{ +} + +AgcMeanLuminance::~AgcMeanLuminance() = default; + +void AgcMeanLuminance::parseRelativeLuminanceTarget(const YamlObject &tuningData) +{ + relativeLuminanceTarget_ = + tuningData["relativeLuminanceTarget"].get<double>(kDefaultRelativeLuminanceTarget); +} + +void AgcMeanLuminance::parseConstraint(const YamlObject &modeDict, int32_t id) +{ + for (const auto &[boundName, content] : modeDict.asDict()) { + if (boundName != "upper" && boundName != "lower") { + LOG(AgcMeanLuminance, Warning) + << "Ignoring unknown constraint bound '" << boundName << "'"; + continue; + } + + unsigned int idx = static_cast<unsigned int>(boundName == "upper"); + AgcConstraint::Bound bound = static_cast<AgcConstraint::Bound>(idx); + double qLo = content["qLo"].get<double>().value_or(0.98); + double qHi = content["qHi"].get<double>().value_or(1.0); + double yTarget = + content["yTarget"].getList<double>().value_or(std::vector<double>{ 0.5 }).at(0); + + AgcConstraint constraint = { bound, qLo, qHi, yTarget }; + + if (!constraintModes_.count(id)) + constraintModes_[id] = {}; + + if (idx) + constraintModes_[id].push_back(constraint); + else + constraintModes_[id].insert(constraintModes_[id].begin(), constraint); + } +} + +int AgcMeanLuminance::parseConstraintModes(const YamlObject &tuningData) +{ + std::vector<ControlValue> availableConstraintModes; + + const YamlObject &yamlConstraintModes = tuningData[controls::AeConstraintMode.name()]; + if (yamlConstraintModes.isDictionary()) { + for (const auto &[modeName, modeDict] : yamlConstraintModes.asDict()) { + if (AeConstraintModeNameValueMap.find(modeName) == + AeConstraintModeNameValueMap.end()) { + LOG(AgcMeanLuminance, Warning) + << "Skipping unknown constraint mode '" << modeName << "'"; + continue; + } + + if (!modeDict.isDictionary()) { + LOG(AgcMeanLuminance, Error) + << "Invalid constraint mode '" << modeName << "'"; + return -EINVAL; + } + + parseConstraint(modeDict, + AeConstraintModeNameValueMap.at(modeName)); + availableConstraintModes.push_back( + AeConstraintModeNameValueMap.at(modeName)); + } + } + + /* + * If the tuning data file contains no constraints then we use the + * default constraint that the IPU3/RkISP1 Agc algorithms were adhering + * to anyway before centralisation; this constraint forces the top 2% of + * the histogram to be at least 0.5. + */ + if (constraintModes_.empty()) { + AgcConstraint constraint = { + AgcConstraint::Bound::lower, + 0.98, + 1.0, + 0.5 + }; + + constraintModes_[controls::ConstraintNormal].insert( + constraintModes_[controls::ConstraintNormal].begin(), + constraint); + availableConstraintModes.push_back( + AeConstraintModeNameValueMap.at("ConstraintNormal")); + } + + controls_[&controls::AeConstraintMode] = ControlInfo(availableConstraintModes); + + return 0; +} + +int AgcMeanLuminance::parseExposureModes(const YamlObject &tuningData) +{ + std::vector<ControlValue> availableExposureModes; + + const YamlObject &yamlExposureModes = tuningData[controls::AeExposureMode.name()]; + if (yamlExposureModes.isDictionary()) { + for (const auto &[modeName, modeValues] : yamlExposureModes.asDict()) { + if (AeExposureModeNameValueMap.find(modeName) == + AeExposureModeNameValueMap.end()) { + LOG(AgcMeanLuminance, Warning) + << "Skipping unknown exposure mode '" << modeName << "'"; + continue; + } + + if (!modeValues.isDictionary()) { + LOG(AgcMeanLuminance, Error) + << "Invalid exposure mode '" << modeName << "'"; + return -EINVAL; + } + + std::vector<uint32_t> shutters = + modeValues["shutter"].getList<uint32_t>().value_or(std::vector<uint32_t>{}); + std::vector<double> gains = + modeValues["gain"].getList<double>().value_or(std::vector<double>{}); + + if (shutters.size() != gains.size()) { + LOG(AgcMeanLuminance, Error) + << "Shutter and gain array sizes unequal"; + return -EINVAL; + } + + if (shutters.empty()) { + LOG(AgcMeanLuminance, Error) + << "Shutter and gain arrays are empty"; + return -EINVAL; + } + + std::vector<std::pair<utils::Duration, double>> stages; + for (unsigned int i = 0; i < shutters.size(); i++) { + stages.push_back({ + std::chrono::microseconds(shutters[i]), + gains[i] + }); + } + + std::shared_ptr<ExposureModeHelper> helper = + std::make_shared<ExposureModeHelper>(stages); + + exposureModeHelpers_[AeExposureModeNameValueMap.at(modeName)] = helper; + availableExposureModes.push_back(AeExposureModeNameValueMap.at(modeName)); + } + } + + /* + * If we don't have any exposure modes in the tuning data we create an + * ExposureModeHelper using an empty vector of stages. This will result + * in the ExposureModeHelper simply driving the shutter as high as + * possible before touching gain. + */ + if (availableExposureModes.empty()) { + int32_t exposureModeId = AeExposureModeNameValueMap.at("ExposureNormal"); + std::vector<std::pair<utils::Duration, double>> stages = { }; + + std::shared_ptr<ExposureModeHelper> helper = + std::make_shared<ExposureModeHelper>(stages); + + exposureModeHelpers_[exposureModeId] = helper; + availableExposureModes.push_back(exposureModeId); + } + + controls_[&controls::AeExposureMode] = ControlInfo(availableExposureModes); + + return 0; +} + +/** + * \brief Parse tuning data for AeConstraintMode and AeExposureMode controls + * \param[in] tuningData the YamlObject representing the tuning data + * + * This function parses tuning data to build the list of allowed values for the + * AeConstraintMode and AeExposureMode controls. Those tuning data must provide + * the data in a specific format; the Agc algorithm's tuning data should contain + * a dictionary called AeConstraintMode containing per-mode setting dictionaries + * with the key being a value from \ref controls::AeConstraintModeNameValueMap. + * Each mode dict may contain either a "lower" or "upper" key or both, for + * example: + * + * \code{.unparsed} + * algorithms: + * - Agc: + * AeConstraintMode: + * ConstraintNormal: + * lower: + * qLo: 0.98 + * qHi: 1.0 + * yTarget: 0.5 + * ConstraintHighlight: + * lower: + * qLo: 0.98 + * qHi: 1.0 + * yTarget: 0.5 + * upper: + * qLo: 0.98 + * qHi: 1.0 + * yTarget: 0.8 + * + * \endcode + * + * For the AeExposureMode control the data should contain a dictionary called + * AeExposureMode containing per-mode setting dictionaries with the key being a + * value from \ref controls::AeExposureModeNameValueMap. Each mode dict should + * contain an array of shutter times with the key "shutter" and an array of gain + * values with the key "gain", in this format: + * + * \code{.unparsed} + * algorithms: + * - Agc: + * AeExposureMode: + * ExposureNormal: + * shutter: [ 100, 10000, 30000, 60000, 120000 ] + * gain: [ 2.0, 4.0, 6.0, 8.0, 10.0 ] + * ExposureShort: + * shutter: [ 100, 10000, 30000, 60000, 120000 ] + * gain: [ 2.0, 4.0, 6.0, 8.0, 10.0 ] + * + * \endcode + * + * \return 0 on success or a negative error code + */ +int AgcMeanLuminance::parseTuningData(const YamlObject &tuningData) +{ + int ret; + + parseRelativeLuminanceTarget(tuningData); + + ret = parseConstraintModes(tuningData); + if (ret) + return ret; + + return parseExposureModes(tuningData); +} + +/** + * \brief Set the ExposureModeHelper limits for this class + * \param[in] minShutter Minimum shutter time to allow + * \param[in] maxShutter Maximum shutter time to allow + * \param[in] minGain Minimum gain to allow + * \param[in] maxGain Maximum gain to allow + * + * This function calls \ref ExposureModeHelper::setLimits() for each + * ExposureModeHelper that has been created for this class. + */ +void AgcMeanLuminance::setLimits(utils::Duration minShutter, + utils::Duration maxShutter, + double minGain, double maxGain) +{ + for (auto &[id, helper] : exposureModeHelpers_) + helper->setLimits(minShutter, maxShutter, minGain, maxGain); +} + +/** + * \fn AgcMeanLuminance::constraintModes() + * \brief Get the constraint modes that have been parsed from tuning data + */ + +/** + * \fn AgcMeanLuminance::exposureModeHelpers() + * \brief Get the ExposureModeHelpers that have been parsed from tuning data + */ + +/** + * \fn AgcMeanLuminance::controls() + * \brief Get the controls that have been generated after parsing tuning data + */ + +/** + * \fn AgcMeanLuminance::estimateLuminance(const double gain) + * \brief Estimate the luminance of an image, adjusted by a given gain + * \param[in] gain The gain with which to adjust the luminance estimate + * + * This function estimates the average relative luminance of the frame that + * would be output by the sensor if an additional \a gain was applied. It is a + * pure virtual function because estimation of luminance is a hardware-specific + * operation, which depends wholly on the format of the stats that are delivered + * to libcamera from the ISP. Derived classes must override this function with + * one that calculates the normalised mean luminance value across the entire + * image. + * + * \return The normalised relative luminance of the image + */ + +/** + * \brief Estimate the initial gain needed to achieve a relative luminance + * target + * \return The calculated initial gain + */ +double AgcMeanLuminance::estimateInitialGain() const +{ + double yTarget = relativeLuminanceTarget_; + double yGain = 1.0; + + /* + * To account for non-linearity caused by saturation, the value needs to + * be estimated in an iterative process, as multiplying by a gain will + * not increase the relative luminance by the same factor if some image + * regions are saturated. + */ + for (unsigned int i = 0; i < 8; i++) { + double yValue = estimateLuminance(yGain); + double extra_gain = std::min(10.0, yTarget / (yValue + .001)); + + yGain *= extra_gain; + LOG(AgcMeanLuminance, Debug) << "Y value: " << yValue + << ", Y target: " << yTarget + << ", gives gain " << yGain; + + if (utils::abs_diff(extra_gain, 1.0) < 0.01) + break; + } + + return yGain; +} + +/** + * \brief Clamp gain within the bounds of a defined constraint + * \param[in] constraintModeIndex The index of the constraint to adhere to + * \param[in] hist A histogram over which to calculate inter-quantile means + * \param[in] gain The gain to clamp + * + * \return The gain clamped within the constraint bounds + */ +double AgcMeanLuminance::constraintClampGain(uint32_t constraintModeIndex, + const Histogram &hist, + double gain) +{ + std::vector<AgcConstraint> &constraints = constraintModes_[constraintModeIndex]; + for (const AgcConstraint &constraint : constraints) { + double newGain = constraint.yTarget * hist.bins() / + hist.interQuantileMean(constraint.qLo, constraint.qHi); + + if (constraint.bound == AgcConstraint::Bound::lower && + newGain > gain) + gain = newGain; + + if (constraint.bound == AgcConstraint::Bound::upper && + newGain < gain) + gain = newGain; + } + + return gain; +} + +/** + * \brief Apply a filter on the exposure value to limit the speed of changes + * \param[in] exposureValue The target exposure from the AGC algorithm + * + * The speed of the filter is adaptive, and will produce the target quicker + * during startup, or when the target exposure is within 20% of the most recent + * filter output. + * + * \return The filtered exposure + */ +utils::Duration AgcMeanLuminance::filterExposure(utils::Duration exposureValue) +{ + double speed = 0.2; + + /* Adapt instantly if we are in startup phase. */ + if (frameCount_ < kNumStartupFrames) + speed = 1.0; + + /* + * If we are close to the desired result, go faster to avoid making + * multiple micro-adjustments. + * \todo Make this customisable? + */ + if (filteredExposure_ < 1.2 * exposureValue && + filteredExposure_ > 0.8 * exposureValue) + speed = sqrt(speed); + + filteredExposure_ = speed * exposureValue + + filteredExposure_ * (1.0 - speed); + + return filteredExposure_; +} + +/** + * \brief Calculate the new exposure value and splut it between shutter time and gain + * \param[in] constraintModeIndex The index of the current constraint mode + * \param[in] exposureModeIndex The index of the current exposure mode + * \param[in] yHist A Histogram from the ISP statistics to use in constraining + * the calculated gain + * \param[in] effectiveExposureValue The EV applied to the frame from which the + * statistics in use derive + * + * Calculate a new exposure value to try to obtain the target. The calculated + * exposure value is filtered to prevent rapid changes from frame to frame, and + * divided into shutter time, analogue and digital gain. + * + * \return Tuple of shutter time, analogue gain, and digital gain + */ +std::tuple<utils::Duration, double, double> +AgcMeanLuminance::calculateNewEv(uint32_t constraintModeIndex, + uint32_t exposureModeIndex, + const Histogram &yHist, + utils::Duration effectiveExposureValue) +{ + /* + * The pipeline handler should validate that we have received an allowed + * value for AeExposureMode. + */ + std::shared_ptr<ExposureModeHelper> exposureModeHelper = + exposureModeHelpers_.at(exposureModeIndex); + + double gain = estimateInitialGain(); + gain = constraintClampGain(constraintModeIndex, yHist, gain); + + /* + * We don't check whether we're already close to the target, because + * even if the effective exposure value is the same as the last frame's + * we could have switched to an exposure mode that would require a new + * pass through the splitExposure() function. + */ + + utils::Duration newExposureValue = effectiveExposureValue * gain; + + /* + * We filter the exposure value to make sure changes are not too jarring + * from frame to frame. + */ + newExposureValue = filterExposure(newExposureValue); + + frameCount_++; + return exposureModeHelper->splitExposure(newExposureValue); +} + +/** + * \fn AgcMeanLuminance::resetFrameCount() + * \brief Reset the frame counter + * + * This function resets the internal frame counter, which exists to help the + * algorithm decide whether it should respond instantly or not. The expectation + * is for derived classes to call this function before each camera start call in + * their configure() function. + */ + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/agc_mean_luminance.h b/src/ipa/libipa/agc_mean_luminance.h new file mode 100644 index 00000000..0a81c6d2 --- /dev/null +++ b/src/ipa/libipa/agc_mean_luminance.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024 Ideas on Board Oy + * + agc_mean_luminance.h - Base class for mean luminance AGC algorithms + */ + +#pragma once + +#include <map> +#include <memory> +#include <tuple> +#include <vector> + +#include <libcamera/controls.h> + +#include "libcamera/internal/yaml_parser.h" + +#include "exposure_mode_helper.h" +#include "histogram.h" + +namespace libcamera { + +namespace ipa { + +class AgcMeanLuminance +{ +public: + AgcMeanLuminance(); + virtual ~AgcMeanLuminance(); + + struct AgcConstraint { + enum class Bound { + lower = 0, + upper = 1 + }; + Bound bound; + double qLo; + double qHi; + double yTarget; + }; + + int parseTuningData(const YamlObject &tuningData); + + void setLimits(utils::Duration minShutter, utils::Duration maxShutter, + double minGain, double maxGain); + + std::map<int32_t, std::vector<AgcConstraint>> constraintModes() + { + return constraintModes_; + } + + std::map<int32_t, std::shared_ptr<ExposureModeHelper>> exposureModeHelpers() + { + return exposureModeHelpers_; + } + + ControlInfoMap::Map controls() + { + return controls_; + } + + std::tuple<utils::Duration, double, double> + calculateNewEv(uint32_t constraintModeIndex, uint32_t exposureModeIndex, + const Histogram &yHist, utils::Duration effectiveExposureValue); + + void resetFrameCount() + { + frameCount_ = 0; + } + +private: + virtual double estimateLuminance(const double gain) const = 0; + + void parseRelativeLuminanceTarget(const YamlObject &tuningData); + void parseConstraint(const YamlObject &modeDict, int32_t id); + int parseConstraintModes(const YamlObject &tuningData); + int parseExposureModes(const YamlObject &tuningData); + double estimateInitialGain() const; + double constraintClampGain(uint32_t constraintModeIndex, + const Histogram &hist, + double gain); + utils::Duration filterExposure(utils::Duration exposureValue); + + uint64_t frameCount_; + utils::Duration filteredExposure_; + double relativeLuminanceTarget_; + + std::map<int32_t, std::vector<AgcConstraint>> constraintModes_; + std::map<int32_t, std::shared_ptr<ExposureModeHelper>> exposureModeHelpers_; + ControlInfoMap::Map controls_; +}; + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/algorithm.cpp b/src/ipa/libipa/algorithm.cpp index bc1c29a6..201efdfd 100644 --- a/src/ipa/libipa/algorithm.cpp +++ b/src/ipa/libipa/algorithm.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * algorithm.cpp - IPA control algorithm interface + * IPA control algorithm interface */ #include "algorithm.h" diff --git a/src/ipa/libipa/algorithm.h b/src/ipa/libipa/algorithm.h index 987e3e4c..9a19dbd6 100644 --- a/src/ipa/libipa/algorithm.h +++ b/src/ipa/libipa/algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * algorithm.h - ISP control algorithm interface + * ISP control algorithm interface */ #pragma once diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp index ce29f423..782ff990 100644 --- a/src/ipa/libipa/camera_sensor_helper.cpp +++ b/src/ipa/libipa/camera_sensor_helper.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google Inc. * - * camera_sensor_helper.cpp - Helper class that performs sensor-specific + * Helper class that performs sensor-specific * parameter computations */ #include "camera_sensor_helper.h" @@ -369,30 +369,26 @@ static constexpr double expGainDb(double step) class CameraSensorHelperAr0521 : public CameraSensorHelper { public: - uint32_t gainCode(double gain) const override; - double gain(uint32_t gainCode) const override; - -private: - static constexpr double kStep_ = 16; -}; - -uint32_t CameraSensorHelperAr0521::gainCode(double gain) const -{ - gain = std::clamp(gain, 1.0, 15.5); - unsigned int coarse = std::log2(gain); - unsigned int fine = (gain / (1 << coarse) - 1) * kStep_; + uint32_t gainCode(double gain) const override + { + gain = std::clamp(gain, 1.0, 15.5); + unsigned int coarse = std::log2(gain); + unsigned int fine = (gain / (1 << coarse) - 1) * kStep_; - return (coarse << 4) | (fine & 0xf); -} + return (coarse << 4) | (fine & 0xf); + } -double CameraSensorHelperAr0521::gain(uint32_t gainCode) const -{ - unsigned int coarse = gainCode >> 4; - unsigned int fine = gainCode & 0xf; + double gain(uint32_t gainCode) const override + { + unsigned int coarse = gainCode >> 4; + unsigned int fine = gainCode & 0xf; - return (1 << coarse) * (1 + fine / kStep_); -} + return (1 << coarse) * (1 + fine / kStep_); + } +private: + static constexpr double kStep_ = 16; +}; REGISTER_CAMERA_SENSOR_HELPER("ar0521", CameraSensorHelperAr0521) class CameraSensorHelperImx219 : public CameraSensorHelper @@ -417,6 +413,17 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("imx258", CameraSensorHelperImx258) +class CameraSensorHelperImx283 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx283() + { + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 0, 2048, -1, 2048 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx283", CameraSensorHelperImx283) + class CameraSensorHelperImx290 : public CameraSensorHelper { public: @@ -444,6 +451,28 @@ class CameraSensorHelperImx327 : public CameraSensorHelperImx290 }; REGISTER_CAMERA_SENSOR_HELPER("imx327", CameraSensorHelperImx327) +class CameraSensorHelperImx335 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx335() + { + gainType_ = AnalogueGainExponential; + gainConstants_.exp = { 1.0, expGainDb(0.3) }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx335", CameraSensorHelperImx335) + +class CameraSensorHelperImx415 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx415() + { + gainType_ = AnalogueGainExponential; + gainConstants_.exp = { 1.0, expGainDb(0.3) }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx415", CameraSensorHelperImx415) + class CameraSensorHelperImx477 : public CameraSensorHelper { public: diff --git a/src/ipa/libipa/camera_sensor_helper.h b/src/ipa/libipa/camera_sensor_helper.h index 1ca9371b..0d99073b 100644 --- a/src/ipa/libipa/camera_sensor_helper.h +++ b/src/ipa/libipa/camera_sensor_helper.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google Inc. * - * camera_sensor_helper.h - Helper class that performs sensor-specific parameter computations + * Helper class that performs sensor-specific parameter computations */ #pragma once diff --git a/src/ipa/libipa/exposure_mode_helper.cpp b/src/ipa/libipa/exposure_mode_helper.cpp new file mode 100644 index 00000000..683a564a --- /dev/null +++ b/src/ipa/libipa/exposure_mode_helper.cpp @@ -0,0 +1,246 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Helper class that performs computations relating to exposure + */ +#include "exposure_mode_helper.h" + +#include <algorithm> + +#include <libcamera/base/log.h> + +/** + * \file exposure_mode_helper.h + * \brief Helper class that performs computations relating to exposure + * + * AEGC algorithms have a need to split exposure between shutter time, analogue + * and digital gain. Multiple implementations do so based on paired stages of + * shutter time and gain limits; provide a helper to avoid duplicating the code. + */ + +namespace libcamera { + +using namespace std::literals::chrono_literals; + +LOG_DEFINE_CATEGORY(ExposureModeHelper) + +namespace ipa { + +/** + * \class ExposureModeHelper + * \brief Class for splitting exposure into shutter time and total gain + * + * The ExposureModeHelper class provides a standard interface through which an + * AEGC algorithm can divide exposure between shutter time and gain. It is + * configured with a set of shutter time and gain pairs and works by initially + * fixing gain at 1.0 and increasing shutter time up to the shutter time value + * from the first pair in the set in an attempt to meet the required exposure + * value. + * + * If the required exposure is not achievable by the first shutter time value + * alone it ramps gain up to the value from the first pair in the set. If the + * required exposure is still not met it then allows shutter time to ramp up to + * the shutter time value from the second pair in the set, and continues in this + * vein until either the required exposure time is met, or else the hardware's + * shutter time or gain limits are reached. + * + * This method allows users to strike a balance between a well-exposed image and + * an acceptable frame-rate, as opposed to simply maximising shutter time + * followed by gain. The same helpers can be used to perform the latter + * operation if needed by passing an empty set of pairs to the initialisation + * function. + * + * The gain values may exceed a camera sensor's analogue gain limits if either + * it or the IPA is also capable of digital gain. The configure() function must + * be called with the hardware's limits to inform the helper of those + * constraints. Any gain that is needed will be applied as analogue gain first + * until the hardware's limit is reached, following which digital gain will be + * used. + */ + +/** + * \brief Construct an ExposureModeHelper instance + * \param[in] stages The vector of paired shutter time and gain limits + * + * The input stages are shutter time and _total_ gain pairs; the gain + * encompasses both analogue and digital gain. + * + * The vector of stages may be empty. In that case, the helper will simply use + * the runtime limits set through setShutterGainLimits() instead. + */ +ExposureModeHelper::ExposureModeHelper(const Span<std::pair<utils::Duration, double>> stages) +{ + minShutter_ = 0us; + maxShutter_ = 0us; + minGain_ = 0; + maxGain_ = 0; + + for (const auto &[s, g] : stages) { + shutters_.push_back(s); + gains_.push_back(g); + } +} + +/** + * \brief Set the shutter time and gain limits + * \param[in] minShutter The minimum shutter time supported + * \param[in] maxShutter The maximum shutter time supported + * \param[in] minGain The minimum analogue gain supported + * \param[in] maxGain The maximum analogue gain supported + * + * This function configures the shutter time and analogue gain limits that need + * to be adhered to as the helper divides up exposure. Note that this function + * *must* be called whenever those limits change and before splitExposure() is + * used. + * + * If the algorithm using the helpers needs to indicate that either shutter time + * or analogue gain or both should be fixed it can do so by setting both the + * minima and maxima to the same value. + */ +void ExposureModeHelper::setLimits(utils::Duration minShutter, + utils::Duration maxShutter, + double minGain, double maxGain) +{ + minShutter_ = minShutter; + maxShutter_ = maxShutter; + minGain_ = minGain; + maxGain_ = maxGain; +} + +utils::Duration ExposureModeHelper::clampShutter(utils::Duration shutter) const +{ + return std::clamp(shutter, minShutter_, maxShutter_); +} + +double ExposureModeHelper::clampGain(double gain) const +{ + return std::clamp(gain, minGain_, maxGain_); +} + +/** + * \brief Split exposure time into shutter time and gain + * \param[in] exposure Exposure time + * + * This function divides a given exposure time into shutter time, analogue and + * digital gain by iterating through stages of shutter time and gain limits. At + * each stage the current stage's shutter time limit is multiplied by the + * previous stage's gain limit (or 1.0 initially) to see if the combination of + * the two can meet the required exposure time. If they cannot then the current + * stage's shutter time limit is multiplied by the same stage's gain limit to + * see if that combination can meet the required exposure time. If they cannot + * then the function moves to consider the next stage. + * + * When a combination of shutter time and gain _stage_ limits are found that are + * sufficient to meet the required exposure time, the function attempts to + * reduce shutter time as much as possible whilst fixing gain and still meeting + * the exposure time. If a _runtime_ limit prevents shutter time from being + * lowered enough to meet the exposure time with gain fixed at the stage limit, + * gain is also lowered to compensate. + * + * Once the shutter time and gain values are ascertained, gain is assigned as + * analogue gain as much as possible, with digital gain only in use if the + * maximum analogue gain runtime limit is unable to accommodate the exposure + * value. + * + * If no combination of shutter time and gain limits is found that meets the + * required exposure time, the helper falls-back to simply maximising the + * shutter time first, followed by analogue gain, followed by digital gain. + * + * \return Tuple of shutter time, analogue gain, and digital gain + */ +std::tuple<utils::Duration, double, double> +ExposureModeHelper::splitExposure(utils::Duration exposure) const +{ + ASSERT(maxShutter_); + ASSERT(maxGain_); + + bool gainFixed = minGain_ == maxGain_; + bool shutterFixed = minShutter_ == maxShutter_; + + /* + * There's no point entering the loop if we cannot change either gain + * nor shutter anyway. + */ + if (shutterFixed && gainFixed) + return { minShutter_, minGain_, exposure / (minShutter_ * minGain_) }; + + utils::Duration shutter; + double stageGain; + double gain; + + for (unsigned int stage = 0; stage < gains_.size(); stage++) { + double lastStageGain = stage == 0 ? 1.0 : clampGain(gains_[stage - 1]); + utils::Duration stageShutter = clampShutter(shutters_[stage]); + stageGain = clampGain(gains_[stage]); + + /* + * We perform the clamping on both shutter and gain in case the + * helper has had limits set that prevent those values being + * lowered beyond a certain minimum...this can happen at runtime + * for various reasons and so would not be known when the stage + * limits are initialised. + */ + + if (stageShutter * lastStageGain >= exposure) { + shutter = clampShutter(exposure / clampGain(lastStageGain)); + gain = clampGain(exposure / shutter); + + return { shutter, gain, exposure / (shutter * gain) }; + } + + if (stageShutter * stageGain >= exposure) { + shutter = clampShutter(exposure / clampGain(stageGain)); + gain = clampGain(exposure / shutter); + + return { shutter, gain, exposure / (shutter * gain) }; + } + } + + /* + * From here on all we can do is max out the shutter time, followed by + * the analogue gain. If we still haven't achieved the target we send + * the rest of the exposure time to digital gain. If we were given no + * stages to use then set stageGain to 1.0 so that shutter time is maxed + * before gain touched at all. + */ + if (gains_.empty()) + stageGain = 1.0; + + shutter = clampShutter(exposure / clampGain(stageGain)); + gain = clampGain(exposure / shutter); + + return { shutter, gain, exposure / (shutter * gain) }; +} + +/** + * \fn ExposureModeHelper::minShutter() + * \brief Retrieve the configured minimum shutter time limit set through + * setShutterGainLimits() + * \return The minShutter_ value + */ + +/** + * \fn ExposureModeHelper::maxShutter() + * \brief Retrieve the configured maximum shutter time set through + * setShutterGainLimits() + * \return The maxShutter_ value + */ + +/** + * \fn ExposureModeHelper::minGain() + * \brief Retrieve the configured minimum gain set through + * setShutterGainLimits() + * \return The minGain_ value + */ + +/** + * \fn ExposureModeHelper::maxGain() + * \brief Retrieve the configured maximum gain set through + * setShutterGainLimits() + * \return The maxGain_ value + */ + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/exposure_mode_helper.h b/src/ipa/libipa/exposure_mode_helper.h new file mode 100644 index 00000000..85c665d7 --- /dev/null +++ b/src/ipa/libipa/exposure_mode_helper.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Helper class that performs computations relating to exposure + */ + +#pragma once + +#include <tuple> +#include <utility> +#include <vector> + +#include <libcamera/base/span.h> +#include <libcamera/base/utils.h> + +namespace libcamera { + +namespace ipa { + +class ExposureModeHelper +{ +public: + ExposureModeHelper(const Span<std::pair<utils::Duration, double>> stages); + ~ExposureModeHelper() = default; + + void setLimits(utils::Duration minShutter, utils::Duration maxShutter, + double minGain, double maxGain); + + std::tuple<utils::Duration, double, double> + splitExposure(utils::Duration exposure) const; + + utils::Duration minShutter() const { return minShutter_; } + utils::Duration maxShutter() const { return maxShutter_; } + double minGain() const { return minGain_; } + double maxGain() const { return maxGain_; } + +private: + utils::Duration clampShutter(utils::Duration shutter) const; + double clampGain(double gain) const; + + std::vector<utils::Duration> shutters_; + std::vector<double> gains_; + + utils::Duration minShutter_; + utils::Duration maxShutter_; + double minGain_; + double maxGain_; +}; + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/fc_queue.cpp b/src/ipa/libipa/fc_queue.cpp index e812faa5..0365e919 100644 --- a/src/ipa/libipa/fc_queue.cpp +++ b/src/ipa/libipa/fc_queue.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Google Inc. * - * fc_queue.cpp - IPA Frame context queue + * IPA Frame context queue */ #include "fc_queue.h" diff --git a/src/ipa/libipa/fc_queue.h b/src/ipa/libipa/fc_queue.h index a589e7e1..24d9e82b 100644 --- a/src/ipa/libipa/fc_queue.h +++ b/src/ipa/libipa/fc_queue.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Google Inc. * - * fc_queue.h - IPA Frame context queue + * IPA Frame context queue */ #pragma once diff --git a/src/ipa/libipa/histogram.cpp b/src/ipa/libipa/histogram.cpp index 6b5cde8e..5fbfadf5 100644 --- a/src/ipa/libipa/histogram.cpp +++ b/src/ipa/libipa/histogram.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * histogram.cpp - histogram calculations + * histogram calculations */ #include "histogram.h" @@ -29,18 +29,34 @@ namespace ipa { */ /** + * \fn Histogram::Histogram() + * \brief Construct an empty Histogram + * + * This empty constructor exists largely to allow Histograms to be embedded in + * other classes which may be created before the contents of the Histogram are + * known. + */ + +/** * \brief Create a cumulative histogram - * \param[in] data A pre-sorted histogram to be passed + * \param[in] data A (non-cumulative) histogram */ Histogram::Histogram(Span<const uint32_t> data) { - cumulative_.reserve(data.size()); - cumulative_.push_back(0); - for (const uint32_t &value : data) - cumulative_.push_back(cumulative_.back() + value); + cumulative_.resize(data.size() + 1); + cumulative_[0] = 0; + for (const auto &[i, value] : utils::enumerate(data)) + cumulative_[i + 1] = cumulative_[i] + value; } /** + * \fn Histogram::Histogram(Span<const uint32_t> data, Transform transform) + * \brief Create a cumulative histogram + * \param[in] data A (non-cumulative) histogram + * \param[in] transform The transformation function to apply to every bin + */ + +/** * \fn Histogram::bins() * \brief Retrieve the number of bins currently used by the Histogram * \return Number of bins diff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h index 05bb4b80..032adca0 100644 --- a/src/ipa/libipa/histogram.h +++ b/src/ipa/libipa/histogram.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * histogram.h - histogram calculation interface + * histogram calculation interface */ #pragma once @@ -10,10 +10,11 @@ #include <assert.h> #include <limits.h> #include <stdint.h> - +#include <type_traits> #include <vector> #include <libcamera/base/span.h> +#include <libcamera/base/utils.h> namespace libcamera { @@ -22,7 +23,19 @@ namespace ipa { class Histogram { public: + Histogram() { cumulative_.push_back(0); } Histogram(Span<const uint32_t> data); + + template<typename Transform, + std::enable_if_t<std::is_invocable_v<Transform, uint32_t>> * = nullptr> + Histogram(Span<const uint32_t> data, Transform transform) + { + cumulative_.resize(data.size() + 1); + cumulative_[0] = 0; + for (const auto &[i, value] : utils::enumerate(data)) + cumulative_[i + 1] = cumulative_[i] + transform(value); + } + size_t bins() const { return cumulative_.size() - 1; } uint64_t total() const { return cumulative_[cumulative_.size() - 1]; } uint64_t cumulativeFrequency(double bin) const; diff --git a/src/ipa/libipa/meson.build b/src/ipa/libipa/meson.build index 016b8e0e..49608423 100644 --- a/src/ipa/libipa/meson.build +++ b/src/ipa/libipa/meson.build @@ -1,19 +1,27 @@ # SPDX-License-Identifier: CC0-1.0 libipa_headers = files([ + 'agc_mean_luminance.h', 'algorithm.h', 'camera_sensor_helper.h', + 'exposure_mode_helper.h', 'fc_queue.h', 'histogram.h', 'module.h', + 'pwl.h', + 'vector.h', ]) libipa_sources = files([ + 'agc_mean_luminance.cpp', 'algorithm.cpp', 'camera_sensor_helper.cpp', + 'exposure_mode_helper.cpp', 'fc_queue.cpp', 'histogram.cpp', 'module.cpp', + 'pwl.cpp', + 'vector.cpp', ]) libipa_includes = include_directories('..') @@ -21,3 +29,7 @@ libipa_includes = include_directories('..') libipa = static_library('ipa', [libipa_sources, libipa_headers], include_directories : ipa_includes, dependencies : libcamera_private) + +libipa_dep = declare_dependency(sources : libipa_headers, + include_directories : libipa_includes, + link_with : libipa) diff --git a/src/ipa/libipa/module.cpp b/src/ipa/libipa/module.cpp index ee01f12a..64ca9141 100644 --- a/src/ipa/libipa/module.cpp +++ b/src/ipa/libipa/module.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Ideas On Board * - * module.cpp - IPA Module + * IPA Module */ #include "module.h" diff --git a/src/ipa/libipa/module.h b/src/ipa/libipa/module.h index 4149a353..0fb51916 100644 --- a/src/ipa/libipa/module.h +++ b/src/ipa/libipa/module.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Ideas On Board * - * module.h - IPA module + * IPA module */ #pragma once diff --git a/src/ipa/libipa/pwl.cpp b/src/ipa/libipa/pwl.cpp new file mode 100644 index 00000000..3c639645 --- /dev/null +++ b/src/ipa/libipa/pwl.cpp @@ -0,0 +1,497 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (C) 2019, Raspberry Pi Ltd + * Copyright (C) 2024, Ideas on Board Oy + * + * Piecewise linear functions + */ + +#include "pwl.h" + +#include <assert.h> +#include <cmath> +#include <sstream> +#include <stdexcept> + +/** + * \file pwl.h + * \brief Piecewise linear functions + */ + +namespace libcamera { + +namespace ipa { + +/** + * \class Pwl + * \brief Describe a univariate piecewise linear function in two-dimensional + * real space + * + * A piecewise linear function is a univariate function that maps reals to + * reals, and it is composed of multiple straight-line segments. + * + * While a mathematical piecewise linear function would usually be defined by + * a list of linear functions and for which values of the domain they apply, + * this Pwl class is instead defined by a list of points at which these line + * segments intersect. These intersecting points are known as knots. + * + * https://en.wikipedia.org/wiki/Piecewise_linear_function + * + * A consequence of the Pwl class being defined by knots instead of linear + * functions is that the values of the piecewise linear function past the ends + * of the function are constants as opposed to linear functions. In a + * mathematical piecewise linear function that is defined by multiple linear + * functions, the ends of the function are also linear functions and hence grow + * to infinity (or negative infinity). However, since this Pwl class is defined + * by knots, the y-value of the leftmost and rightmost knots will hold for all + * x values to negative infinity and positive infinity, respectively. + */ + +/** + * \typedef Pwl::Point + * \brief Describe a point in two-dimensional real space + */ + +/** + * \class Pwl::Interval + * \brief Describe an interval in one-dimensional real space + */ + +/** + * \fn Pwl::Interval::Interval(double _start, double _end) + * \brief Construct an interval + * \param[in] _start Start of the interval + * \param[in] _end End of the interval + */ + +/** + * \fn Pwl::Interval::contains + * \brief Check if a given value falls within the interval + * \param[in] value Value to check + * \return True if the value falls within the interval, including its bounds, + * or false otherwise + */ + +/** + * \fn Pwl::Interval::clamp + * \brief Clamp a value such that it is within the interval + * \param[in] value Value to clamp + * \return The clamped value + */ + +/** + * \fn Pwl::Interval::length + * \brief Compute the length of the interval + * \return The length of the interval + */ + +/** + * \var Pwl::Interval::start + * \brief Start of the interval + */ + +/** + * \var Pwl::Interval::end + * \brief End of the interval + */ + +/** + * \brief Construct an empty piecewise linear function + */ +Pwl::Pwl() +{ +} + +/** + * \brief Construct a piecewise linear function from a list of 2D points + * \param[in] points Vector of points from which to construct the piecewise + * linear function + * + * \a points must be in ascending order of x-value. + */ +Pwl::Pwl(const std::vector<Point> &points) + : points_(points) +{ +} + +/** + * \copydoc Pwl::Pwl(const std::vector<Point> &points) + * + * The contents of the \a points vector is moved to the newly constructed Pwl + * instance. + */ +Pwl::Pwl(std::vector<Point> &&points) + : points_(std::move(points)) +{ +} + +/** + * \brief Populate the piecewise linear function from yaml data + * \param[in] params Yaml data to populate the piecewise linear function with + * + * Any existing points in the piecewise linear function *will* be overwritten. + * + * The yaml data is expected to be a list with an even number of numerical + * elements. These will be parsed in pairs into x and y points in the piecewise + * linear function, and added in order. x must be monotonically increasing. + * + * \return 0 on success, negative error code otherwise + */ +int Pwl::readYaml(const libcamera::YamlObject ¶ms) +{ + if (!params.size() || params.size() % 2) + return -EINVAL; + + const auto &list = params.asList(); + + points_.clear(); + + for (auto it = list.begin(); it != list.end(); it++) { + auto x = it->get<double>(); + if (!x) + return -EINVAL; + if (it != list.begin() && *x <= points_.back().x()) + return -EINVAL; + + auto y = (++it)->get<double>(); + if (!y) + return -EINVAL; + + points_.push_back(Point({ *x, *y })); + } + + return 0; +} + +/** + * \brief Append a point to the end of the piecewise linear function + * \param[in] x x-coordinate of the point to add to the piecewise linear function + * \param[in] y y-coordinate of the point to add to the piecewise linear function + * \param[in] eps Epsilon for the minimum x distance between points (optional) + * + * The point's x-coordinate must be greater than the x-coordinate of the last + * (= greatest) point already in the piecewise linear function. + */ +void Pwl::append(double x, double y, const double eps) +{ + if (points_.empty() || points_.back().x() + eps < x) + points_.push_back(Point({ x, y })); +} + +/** + * \brief Prepend a point to the beginning of the piecewise linear function + * \param[in] x x-coordinate of the point to add to the piecewise linear function + * \param[in] y y-coordinate of the point to add to the piecewise linear function + * \param[in] eps Epsilon for the minimum x distance between points (optional) + * + * The point's x-coordinate must be less than the x-coordinate of the first + * (= smallest) point already in the piecewise linear function. + */ +void Pwl::prepend(double x, double y, const double eps) +{ + if (points_.empty() || points_.front().x() - eps > x) + points_.insert(points_.begin(), Point({ x, y })); +} + +/** + * \fn Pwl::empty() const + * \brief Check if the piecewise linear function is empty + * \return True if there are no points in the function, false otherwise + */ + +/** + * \fn Pwl::size() const + * \brief Retrieve the number of points in the piecewise linear function + * \return The number of points in the piecewise linear function + */ + +/** + * \brief Get the domain of the piecewise linear function + * \return An interval representing the domain + */ +Pwl::Interval Pwl::domain() const +{ + return Interval(points_[0].x(), points_[points_.size() - 1].x()); +} + +/** + * \brief Get the range of the piecewise linear function + * \return An interval representing the range + */ +Pwl::Interval Pwl::range() const +{ + double lo = points_[0].y(), hi = lo; + for (auto &p : points_) + lo = std::min(lo, p.y()), hi = std::max(hi, p.y()); + return Interval(lo, hi); +} + +/** + * \brief Evaluate the piecewise linear function + * \param[in] x The x value to input into the function + * \param[inout] span Initial guess for span + * \param[in] updateSpan Set to true to update span + * + * Evaluate Pwl, optionally supplying an initial guess for the + * "span". The "span" may be optionally be updated. If you want to know + * the "span" value but don't have an initial guess you can set it to + * -1. + * + * \return The result of evaluating the piecewise linear function at position \a x + */ +double Pwl::eval(double x, int *span, bool updateSpan) const +{ + int index = findSpan(x, span && *span != -1 + ? *span + : points_.size() / 2 - 1); + if (span && updateSpan) + *span = index; + return points_[index].y() + + (x - points_[index].x()) * (points_[index + 1].y() - points_[index].y()) / + (points_[index + 1].x() - points_[index].x()); +} + +int Pwl::findSpan(double x, int span) const +{ + /* + * Pwls are generally small, so linear search may well be faster than + * binary, though could review this if large Pwls start turning up. + */ + int lastSpan = points_.size() - 2; + /* + * some algorithms may call us with span pointing directly at the last + * control point + */ + span = std::max(0, std::min(lastSpan, span)); + while (span < lastSpan && x >= points_[span + 1].x()) + span++; + while (span && x < points_[span].x()) + span--; + return span; +} + +/** + * \brief Compute the inverse function + * \param[in] eps Epsilon for the minimum x distance between points (optional) + * + * The output includes whether the resulting inverse function is a proper + * (true) inverse, or only a best effort (e.g. input was non-monotonic). + * + * \return A pair of the inverse piecewise linear function, and whether or not + * the result is a proper/true inverse + */ +std::pair<Pwl, bool> Pwl::inverse(const double eps) const +{ + bool appended = false, prepended = false, neither = false; + Pwl inverse; + + for (Point const &p : points_) { + if (inverse.empty()) { + inverse.append(p.y(), p.x(), eps); + } else if (std::abs(inverse.points_.back().x() - p.y()) <= eps || + std::abs(inverse.points_.front().x() - p.y()) <= eps) { + /* do nothing */; + } else if (p.y() > inverse.points_.back().x()) { + inverse.append(p.y(), p.x(), eps); + appended = true; + } else if (p.y() < inverse.points_.front().x()) { + inverse.prepend(p.y(), p.x(), eps); + prepended = true; + } else { + neither = true; + } + } + + /* + * This is not a proper inverse if we found ourselves putting points + * onto both ends of the inverse, or if there were points that couldn't + * go on either. + */ + bool trueInverse = !(neither || (appended && prepended)); + + return { inverse, trueInverse }; +} + +/** + * \brief Compose two piecewise linear functions together + * \param[in] other The "other" piecewise linear function + * \param[in] eps Epsilon for the minimum x distance between points (optional) + * + * The "this" function is done first, and "other" after. + * + * \return The composed piecewise linear function + */ +Pwl Pwl::compose(Pwl const &other, const double eps) const +{ + double thisX = points_[0].x(), thisY = points_[0].y(); + int thisSpan = 0, otherSpan = other.findSpan(thisY, 0); + Pwl result({ Point({ thisX, other.eval(thisY, &otherSpan, false) }) }); + + while (thisSpan != (int)points_.size() - 1) { + double dx = points_[thisSpan + 1].x() - points_[thisSpan].x(), + dy = points_[thisSpan + 1].y() - points_[thisSpan].y(); + if (std::abs(dy) > eps && + otherSpan + 1 < (int)other.points_.size() && + points_[thisSpan + 1].y() >= other.points_[otherSpan + 1].x() + eps) { + /* + * next control point in result will be where this + * function's y reaches the next span in other + */ + thisX = points_[thisSpan].x() + + (other.points_[otherSpan + 1].x() - + points_[thisSpan].y()) * + dx / dy; + thisY = other.points_[++otherSpan].x(); + } else if (std::abs(dy) > eps && otherSpan > 0 && + points_[thisSpan + 1].y() <= + other.points_[otherSpan - 1].x() - eps) { + /* + * next control point in result will be where this + * function's y reaches the previous span in other + */ + thisX = points_[thisSpan].x() + + (other.points_[otherSpan + 1].x() - + points_[thisSpan].y()) * + dx / dy; + thisY = other.points_[--otherSpan].x(); + } else { + /* we stay in the same span in other */ + thisSpan++; + thisX = points_[thisSpan].x(), + thisY = points_[thisSpan].y(); + } + result.append(thisX, other.eval(thisY, &otherSpan, false), + eps); + } + return result; +} + +/** + * \brief Apply function to (x, y) values at every control point + * \param[in] f Function to be applied + */ +void Pwl::map(std::function<void(double x, double y)> f) const +{ + for (auto &pt : points_) + f(pt.x(), pt.y()); +} + +/** + * \brief Apply function to (x, y0, y1) values wherever either Pwl has a + * control point. + * \param[in] pwl0 First piecewise linear function + * \param[in] pwl1 Second piecewise linear function + * \param[in] f Function to be applied + * + * This applies the function \a f to every parameter (x, y0, y1), where x is + * the combined list of x-values from \a pwl0 and \a pwl1, y0 is the y-value + * for the given x in \a pwl0, and y1 is the y-value for the same x in \a pwl1. + */ +void Pwl::map2(Pwl const &pwl0, Pwl const &pwl1, + std::function<void(double x, double y0, double y1)> f) +{ + int span0 = 0, span1 = 0; + double x = std::min(pwl0.points_[0].x(), pwl1.points_[0].x()); + f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false)); + + while (span0 < (int)pwl0.points_.size() - 1 || + span1 < (int)pwl1.points_.size() - 1) { + if (span0 == (int)pwl0.points_.size() - 1) + x = pwl1.points_[++span1].x(); + else if (span1 == (int)pwl1.points_.size() - 1) + x = pwl0.points_[++span0].x(); + else if (pwl0.points_[span0 + 1].x() > pwl1.points_[span1 + 1].x()) + x = pwl1.points_[++span1].x(); + else + x = pwl0.points_[++span0].x(); + f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false)); + } +} + +/** + * \brief Combine two Pwls + * \param[in] pwl0 First piecewise linear function + * \param[in] pwl1 Second piecewise linear function + * \param[in] f Function to be applied + * \param[in] eps Epsilon for the minimum x distance between points (optional) + * + * Create a new Pwl where the y values are given by running \a f wherever + * either pwl has a knot. + * + * \return The combined pwl + */ +Pwl Pwl::combine(Pwl const &pwl0, Pwl const &pwl1, + std::function<double(double x, double y0, double y1)> f, + const double eps) +{ + Pwl result; + map2(pwl0, pwl1, [&](double x, double y0, double y1) { + result.append(x, f(x, y0, y1), eps); + }); + return result; +} + +/** + * \brief Multiply the piecewise linear function + * \param[in] d Scalar multiplier to multiply the function by + * \return This function, after it has been multiplied by \a d + */ +Pwl &Pwl::operator*=(double d) +{ + for (auto &pt : points_) + pt[1] *= d; + return *this; +} + +/** + * \brief Assemble and return a string describing the piecewise linear function + * \return A string describing the piecewise linear function + */ +std::string Pwl::toString() const +{ + std::stringstream ss; + ss << "Pwl { "; + for (auto &p : points_) + ss << "(" << p.x() << ", " << p.y() << ") "; + ss << "}"; + return ss.str(); +} + +} /* namespace ipa */ + +#ifndef __DOXYGEN__ +/* + * The YAML data shall be a list of numerical values with an even number of + * elements. They are parsed in pairs into x and y points in the piecewise + * linear function, and added in order. x must be monotonically increasing. + */ +template<> +std::optional<ipa::Pwl> +YamlObject::Getter<ipa::Pwl>::get(const YamlObject &obj) const +{ + if (!obj.size() || obj.size() % 2) + return std::nullopt; + + ipa::Pwl pwl; + + const auto &list = obj.asList(); + + for (auto it = list.begin(); it != list.end(); it++) { + auto x = it->get<double>(); + if (!x) + return std::nullopt; + auto y = (++it)->get<double>(); + if (!y) + return std::nullopt; + + pwl.append(*x, *y); + } + + if (pwl.size() != obj.size() / 2) + return std::nullopt; + + return pwl; +} +#endif /* __DOXYGEN__ */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/pwl.h b/src/ipa/libipa/pwl.h new file mode 100644 index 00000000..8edb4d33 --- /dev/null +++ b/src/ipa/libipa/pwl.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (C) 2019, Raspberry Pi Ltd + * + * Piecewise linear functions interface + */ +#pragma once + +#include <algorithm> +#include <cmath> +#include <functional> +#include <string> +#include <utility> +#include <vector> + +#include "libcamera/internal/yaml_parser.h" + +#include "vector.h" + +namespace libcamera { + +namespace ipa { + +class Pwl +{ +public: + using Point = Vector<double, 2>; + + struct Interval { + Interval(double _start, double _end) + : start(_start), end(_end) {} + + bool contains(double value) + { + return value >= start && value <= end; + } + + double clamp(double value) + { + return std::clamp(value, start, end); + } + + double length() const { return end - start; } + + double start, end; + }; + + Pwl(); + Pwl(const std::vector<Point> &points); + Pwl(std::vector<Point> &&points); + + int readYaml(const libcamera::YamlObject ¶ms); + + void append(double x, double y, double eps = 1e-6); + + bool empty() const { return points_.empty(); } + size_t size() const { return points_.size(); } + + Interval domain() const; + Interval range() const; + + double eval(double x, int *span = nullptr, + bool updateSpan = true) const; + + std::pair<Pwl, bool> inverse(double eps = 1e-6) const; + Pwl compose(const Pwl &other, double eps = 1e-6) const; + + void map(std::function<void(double x, double y)> f) const; + + static Pwl + combine(const Pwl &pwl0, const Pwl &pwl1, + std::function<double(double x, double y0, double y1)> f, + double eps = 1e-6); + + Pwl &operator*=(double d); + + std::string toString() const; + +private: + static void map2(const Pwl &pwl0, const Pwl &pwl1, + std::function<void(double x, double y0, double y1)> f); + void prepend(double x, double y, double eps = 1e-6); + int findSpan(double x, int span) const; + + std::vector<Point> points_; +}; + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/vector.cpp b/src/ipa/libipa/vector.cpp new file mode 100644 index 00000000..b071b261 --- /dev/null +++ b/src/ipa/libipa/vector.cpp @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Vector and related operations + */ + +#include "vector.h" + +#include <libcamera/base/log.h> + +/** + * \file vector.h + * \brief Vector class + */ + +namespace libcamera { + +LOG_DEFINE_CATEGORY(Vector) + +namespace ipa { + +/** + * \class Vector + * \brief Vector class + * \tparam T Type of numerical values to be stored in the vector + * \tparam Rows Number of dimension of the vector (= number of elements) + */ + +/** + * \fn Vector::Vector() + * \brief Construct a zero vector + */ + +/** + * \fn Vector::Vector(const std::array<T, Rows> &data) + * \brief Construct vector from supplied data + * \param data Data from which to construct a vector + * + * The size of \a data must be equal to the dimension size Rows of the vector. + */ + +/** + * \fn T Vector::operator[](size_t i) const + * \brief Index to an element in the vector + * \param i Index of element to retrieve + * \return Element at index \a i from the vector + */ + +/** + * \fn T &Vector::operator[](size_t i) + * \copydoc Vector::operator[](size_t i) const + */ + +/** + * \fn Vector::x() + * \brief Convenience function to access the first element of the vector + * \return The first element of the vector + */ + +/** + * \fn Vector::y() + * \brief Convenience function to access the second element of the vector + * \return The second element of the vector + */ + +/** + * \fn Vector::z() + * \brief Convenience function to access the third element of the vector + * \return The third element of the vector + */ + +/** + * \fn Vector::operator-() const + * \brief Negate a Vector by negating both all of its coordinates + * \return The negated vector + */ + +/** + * \fn Vector::operator-(Vector const &other) const + * \brief Subtract one vector from another + * \param[in] other The other vector + * \return The difference of \a other from this vector + */ + +/** + * \fn Vector::operator+() + * \brief Add two vectors together + * \param[in] other The other vector + * \return The sum of the two vectors + */ + +/** + * \fn Vector::operator*(const Vector<T, Rows> &other) const + * \brief Compute the dot product + * \param[in] other The other vector + * \return The dot product of the two vectors + */ + +/** + * \fn Vector::operator*(T factor) const + * \brief Multiply the vector by a scalar + * \param[in] factor The factor + * \return The vector multiplied by \a factor + */ + +/** + * \fn Vector::operator/() + * \brief Divide the vector by a scalar + * \param[in] factor The factor + * \return The vector divided by \a factor + */ + +/** + * \fn Vector::length2() + * \brief Get the squared length of the vector + * \return The squared length of the vector + */ + +/** + * \fn Vector::length() + * \brief Get the length of the vector + * \return The length of the vector + */ + +/** + * \fn bool operator==(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs) + * \brief Compare vectors for equality + * \return True if the two vectors are equal, false otherwise + */ + +/** + * \fn bool operator!=(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs) + * \brief Compare vectors for inequality + * \return True if the two vectors are not equal, false otherwise + */ + +#ifndef __DOXYGEN__ +bool vectorValidateYaml(const YamlObject &obj, unsigned int size) +{ + if (!obj.isList()) + return false; + + if (obj.size() != size) { + LOG(Vector, Error) + << "Wrong number of values in YAML vector: expected " + << size << ", got " << obj.size(); + return false; + } + + return true; +} +#endif /* __DOXYGEN__ */ + +} /* namespace ipa */ + +} /* namespace libcamera */ diff --git a/src/ipa/libipa/vector.h b/src/ipa/libipa/vector.h new file mode 100644 index 00000000..2a290620 --- /dev/null +++ b/src/ipa/libipa/vector.h @@ -0,0 +1,202 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Vector and related operations + */ +#pragma once + +#include <algorithm> +#include <array> +#include <cmath> +#include <sstream> + +#include <libcamera/base/log.h> +#include <libcamera/base/span.h> + +#include "libcamera/internal/yaml_parser.h" + +namespace libcamera { + +LOG_DECLARE_CATEGORY(Vector) + +namespace ipa { + +#ifndef __DOXYGEN__ +template<typename T, unsigned int Rows, + std::enable_if_t<std::is_arithmetic_v<T>> * = nullptr> +#else +template<typename T, unsigned int Rows> +#endif /* __DOXYGEN__ */ +class Vector +{ +public: + constexpr Vector() = default; + + constexpr Vector(const std::array<T, Rows> &data) + { + for (unsigned int i = 0; i < Rows; i++) + data_[i] = data[i]; + } + + const T &operator[](size_t i) const + { + ASSERT(i < data_.size()); + return data_[i]; + } + + T &operator[](size_t i) + { + ASSERT(i < data_.size()); + return data_[i]; + } + +#ifndef __DOXYGEN__ + template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 1>> +#endif /* __DOXYGEN__ */ + constexpr T x() const + { + return data_[0]; + } + +#ifndef __DOXYGEN__ + template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 2>> +#endif /* __DOXYGEN__ */ + constexpr T y() const + { + return data_[1]; + } + +#ifndef __DOXYGEN__ + template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 3>> +#endif /* __DOXYGEN__ */ + constexpr T z() const + { + return data_[2]; + } + + constexpr Vector<T, Rows> operator-() const + { + Vector<T, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = -data_[i]; + return ret; + } + + constexpr Vector<T, Rows> operator-(const Vector<T, Rows> &other) const + { + Vector<T, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = data_[i] - other[i]; + return ret; + } + + constexpr Vector<T, Rows> operator+(const Vector<T, Rows> &other) const + { + Vector<T, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = data_[i] + other[i]; + return ret; + } + + constexpr T operator*(const Vector<T, Rows> &other) const + { + T ret = 0; + for (unsigned int i = 0; i < Rows; i++) + ret += data_[i] * other[i]; + return ret; + } + + constexpr Vector<T, Rows> operator*(T factor) const + { + Vector<T, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = data_[i] * factor; + return ret; + } + + constexpr Vector<T, Rows> operator/(T factor) const + { + Vector<T, Rows> ret; + for (unsigned int i = 0; i < Rows; i++) + ret[i] = data_[i] / factor; + return ret; + } + + constexpr double length2() const + { + double ret = 0; + for (unsigned int i = 0; i < Rows; i++) + ret += data_[i] * data_[i]; + return ret; + } + + constexpr double length() const + { + return std::sqrt(length2()); + } + +private: + std::array<T, Rows> data_; +}; + +template<typename T, unsigned int Rows> +bool operator==(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs) +{ + for (unsigned int i = 0; i < Rows; i++) { + if (lhs[i] != rhs[i]) + return false; + } + + return true; +} + +template<typename T, unsigned int Rows> +bool operator!=(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs) +{ + return !(lhs == rhs); +} + +#ifndef __DOXYGEN__ +bool vectorValidateYaml(const YamlObject &obj, unsigned int size); +#endif /* __DOXYGEN__ */ + +} /* namespace ipa */ + +#ifndef __DOXYGEN__ +template<typename T, unsigned int Rows> +std::ostream &operator<<(std::ostream &out, const ipa::Vector<T, Rows> &v) +{ + out << "Vector { "; + for (unsigned int i = 0; i < Rows; i++) { + out << v[i]; + out << ((i + 1 < Rows) ? ", " : " "); + } + out << " }"; + + return out; +} + +template<typename T, unsigned int Rows> +struct YamlObject::Getter<ipa::Vector<T, Rows>> { + std::optional<ipa::Vector<T, Rows>> get(const YamlObject &obj) const + { + if (!ipa::vectorValidateYaml(obj, Rows)) + return std::nullopt; + + ipa::Vector<T, Rows> vector; + + unsigned int i = 0; + for (const YamlObject &entry : obj.asList()) { + const auto value = entry.get<T>(); + if (!value) + return std::nullopt; + vector[i++] = *value; + } + + return vector; + } +}; +#endif /* __DOXYGEN__ */ + +} /* namespace libcamera */ diff --git a/src/ipa/meson.build b/src/ipa/meson.build index 48793e07..0ad4631d 100644 --- a/src/ipa/meson.build +++ b/src/ipa/meson.build @@ -41,6 +41,9 @@ ipa_names = [] subdirs = [] foreach pipeline : pipelines + # The current implementation expects the IPA module name to match the + # pipeline name. + # \todo Make the IPA naming scheme more flexible. if not ipa_modules.contains(pipeline) continue endif diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp index 47a6f7b2..87021451 100644 --- a/src/ipa/rkisp1/algorithms/agc.cpp +++ b/src/ipa/rkisp1/algorithms/agc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * agc.cpp - AGC/AEC mean-based control algorithm + * AGC/AEC mean-based control algorithm */ #include "agc.h" @@ -10,6 +10,8 @@ #include <algorithm> #include <chrono> #include <cmath> +#include <tuple> +#include <vector> #include <libcamera/base/log.h> #include <libcamera/base/utils.h> @@ -17,6 +19,8 @@ #include <libcamera/control_ids.h> #include <libcamera/ipa/core_ipa_interface.h> +#include "libcamera/internal/yaml_parser.h" + #include "libipa/histogram.h" /** @@ -36,35 +40,126 @@ namespace ipa::rkisp1::algorithms { LOG_DEFINE_CATEGORY(RkISP1Agc) -/* Minimum limit for analogue gain value */ -static constexpr double kMinAnalogueGain = 1.0; +int Agc::parseMeteringModes(IPAContext &context, const YamlObject &tuningData) +{ + if (!tuningData.isDictionary()) { + LOG(RkISP1Agc, Error) + << "'AeMeteringMode' parameter not found in tuning file"; + return -EINVAL; + } -/* \todo Honour the FrameDurationLimits control instead of hardcoding a limit */ -static constexpr utils::Duration kMaxShutterSpeed = 60ms; + for (const auto &[key, value] : tuningData.asDict()) { + if (controls::AeMeteringModeNameValueMap.find(key) == + controls::AeMeteringModeNameValueMap.end()) { + LOG(RkISP1Agc, Warning) + << "Skipping unknown metering mode '" << key << "'"; + continue; + } -/* Number of frames to wait before calculating stats on minimum exposure */ -static constexpr uint32_t kNumStartupFrames = 10; + std::vector<uint8_t> weights = + value.getList<uint8_t>().value_or(std::vector<uint8_t>{}); + if (weights.size() != context.hw->numHistogramWeights) { + LOG(RkISP1Agc, Warning) + << "Failed to read metering mode'" << key << "'"; + continue; + } -/* Target value to reach for the top 2% of the histogram */ -static constexpr double kEvGainTarget = 0.5; + meteringModes_[controls::AeMeteringModeNameValueMap.at(key)] = weights; + } -/* - * Relative luminance target. - * - * It's a number that's chosen so that, when the camera points at a grey - * target, the resulting image brightness is considered right. - * - * \todo Why is the value different between IPU3 and RkISP1 ? - */ -static constexpr double kRelativeLuminanceTarget = 0.4; + if (meteringModes_.empty()) { + LOG(RkISP1Agc, Warning) + << "No metering modes read from tuning file; defaulting to matrix"; + int32_t meteringModeId = controls::AeMeteringModeNameValueMap.at("MeteringMatrix"); + std::vector<uint8_t> weights(context.hw->numHistogramWeights, 1); + + meteringModes_[meteringModeId] = weights; + } + + std::vector<ControlValue> meteringModes; + std::vector<int> meteringModeKeys = utils::map_keys(meteringModes_); + std::transform(meteringModeKeys.begin(), meteringModeKeys.end(), + std::back_inserter(meteringModes), + [](int x) { return ControlValue(x); }); + context.ctrlMap[&controls::AeMeteringMode] = ControlInfo(meteringModes); + + return 0; +} + +uint8_t Agc::computeHistogramPredivider(Size &size, enum rkisp1_cif_isp_histogram_mode mode) +{ + /* + * The maximum number of pixels that could potentially be in one bin is + * if all the pixels of the image are in it, multiplied by 3 for the + * three color channels. The counter for each bin is 16 bits wide, so + * `factor` thus contains the number of times we'd wrap around. This is + * obviously the number of pixels that we need to skip to make sure + * that we don't wrap around, but we compute the square root of it + * instead, as the skip that we need to program is for both the x and y + * directions. + * + * Even though it looks like dividing into a counter of 65536 would + * overflow by 1, this is apparently fine according to the hardware + * documentation, and this successfully gets the expected documented + * predivider size for cases where: + * (width / predivider) * (height / predivider) * 3 == 65536. + * + * There's a bit of extra rounding math to make sure the rounding goes + * the correct direction so that the square of the step is big enough + * to encompass the `factor` number of pixels that we need to skip. + * + * \todo Take into account weights. That is, if the weights are low + * enough we can potentially reduce the predivider to increase + * precision. This needs some investigation however, as this hardware + * behavior is undocumented and is only an educated guess. + */ + int count = mode == RKISP1_CIF_ISP_HISTOGRAM_MODE_RGB_COMBINED ? 3 : 1; + double factor = size.width * size.height * count / 65536.0; + double root = std::sqrt(factor); + uint8_t predivider; + + if (std::pow(std::floor(root), 2) < factor) + predivider = static_cast<uint8_t>(std::ceil(root)); + else + predivider = static_cast<uint8_t>(std::floor(root)); + + return std::clamp<uint8_t>(predivider, 3, 127); +} Agc::Agc() - : frameCount_(0), filteredExposure_(0s) { supportsRaw_ = true; } /** + * \brief Initialise the AGC algorithm from tuning files + * \param[in] context The shared IPA context + * \param[in] tuningData The YamlObject containing Agc tuning data + * + * This function calls the base class' tuningData parsers to discover which + * control values are supported. + * + * \return 0 on success or errors from the base class + */ +int Agc::init(IPAContext &context, const YamlObject &tuningData) +{ + int ret; + + ret = parseTuningData(tuningData); + if (ret) + return ret; + + const YamlObject &yamlMeteringModes = tuningData["AeMeteringMode"]; + ret = parseMeteringModes(context, yamlMeteringModes); + if (ret) + return ret; + + context.ctrlMap.merge(controls()); + + return 0; +} + +/** * \brief Configure the AGC given a configInfo * \param[in] context The shared IPA context * \param[in] configInfo The IPA configuration data @@ -81,6 +176,20 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) context.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure; context.activeState.agc.autoEnabled = !context.configuration.raw; + context.activeState.agc.constraintMode = + static_cast<controls::AeConstraintModeEnum>(constraintModes().begin()->first); + context.activeState.agc.exposureMode = + static_cast<controls::AeExposureModeEnum>(exposureModeHelpers().begin()->first); + context.activeState.agc.meteringMode = + static_cast<controls::AeMeteringModeEnum>(meteringModes_.begin()->first); + + /* + * \todo This should probably come from FrameDurationLimits instead, + * except it's computed in the IPA and not here so we'd have to + * recompute it. + */ + context.activeState.agc.maxShutterSpeed = context.configuration.sensor.maxShutterSpeed; + /* * Define the measurement window for AGC as a centered rectangle * covering 3/4 of the image width and height. @@ -90,11 +199,13 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) context.configuration.agc.measureWindow.h_size = 3 * configInfo.outputSize.width / 4; context.configuration.agc.measureWindow.v_size = 3 * configInfo.outputSize.height / 4; - /* - * \todo Use the upcoming per-frame context API that will provide a - * frame index - */ - frameCount_ = 0; + setLimits(context.configuration.sensor.minShutterSpeed, + context.configuration.sensor.maxShutterSpeed, + context.configuration.sensor.minAnalogueGain, + context.configuration.sensor.maxAnalogueGain); + + resetFrameCount(); + return 0; } @@ -141,6 +252,39 @@ void Agc::queueRequest(IPAContext &context, frameContext.agc.exposure = agc.manual.exposure; frameContext.agc.gain = agc.manual.gain; } + + const auto &meteringMode = controls.get(controls::AeMeteringMode); + if (meteringMode) { + frameContext.agc.update = agc.meteringMode != *meteringMode; + agc.meteringMode = + static_cast<controls::AeMeteringModeEnum>(*meteringMode); + } + frameContext.agc.meteringMode = agc.meteringMode; + + const auto &exposureMode = controls.get(controls::AeExposureMode); + if (exposureMode) { + frameContext.agc.update = agc.exposureMode != *exposureMode; + agc.exposureMode = + static_cast<controls::AeExposureModeEnum>(*exposureMode); + } + frameContext.agc.exposureMode = agc.exposureMode; + + const auto &constraintMode = controls.get(controls::AeConstraintMode); + if (constraintMode) { + frameContext.agc.update = agc.constraintMode != *constraintMode; + agc.constraintMode = + static_cast<controls::AeConstraintModeEnum>(*constraintMode); + } + frameContext.agc.constraintMode = agc.constraintMode; + + const auto &frameDurationLimits = controls.get(controls::FrameDurationLimits); + if (frameDurationLimits) { + utils::Duration maxShutterSpeed = + std::chrono::milliseconds((*frameDurationLimits).back()); + frameContext.agc.update = agc.maxShutterSpeed != maxShutterSpeed; + agc.maxShutterSpeed = maxShutterSpeed; + } + frameContext.agc.maxShutterSpeed = agc.maxShutterSpeed; } /** @@ -154,7 +298,7 @@ void Agc::prepare(IPAContext &context, const uint32_t frame, frameContext.agc.gain = context.activeState.agc.automatic.gain; } - if (frame > 0) + if (frame > 0 && !frameContext.agc.update) return; /* Configure the measurement window. */ @@ -172,14 +316,20 @@ void Agc::prepare(IPAContext &context, const uint32_t frame, params->meas.hst_config.meas_window = context.configuration.agc.measureWindow; /* Produce the luminance histogram. */ params->meas.hst_config.mode = RKISP1_CIF_ISP_HISTOGRAM_MODE_Y_HISTOGRAM; + /* Set an average weighted histogram. */ Span<uint8_t> weights{ params->meas.hst_config.hist_weight, context.hw->numHistogramWeights }; - std::fill(weights.begin(), weights.end(), 1); - /* Step size can't be less than 3. */ - params->meas.hst_config.histogram_predivider = 4; + std::vector<uint8_t> &modeWeights = meteringModes_.at(frameContext.agc.meteringMode); + std::copy(modeWeights.begin(), modeWeights.end(), weights.begin()); + + struct rkisp1_cif_isp_window window = params->meas.hst_config.meas_window; + Size windowSize = { window.h_size, window.v_size }; + params->meas.hst_config.histogram_predivider = + computeHistogramPredivider(windowSize, + static_cast<rkisp1_cif_isp_histogram_mode>(params->meas.hst_config.mode)); /* Update the configuration for histogram. */ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_HST; @@ -188,127 +338,29 @@ void Agc::prepare(IPAContext &context, const uint32_t frame, params->module_en_update |= RKISP1_CIF_ISP_MODULE_HST; } -/** - * \brief Apply a filter on the exposure value to limit the speed of changes - * \param[in] exposureValue The target exposure from the AGC algorithm - * - * The speed of the filter is adaptive, and will produce the target quicker - * during startup, or when the target exposure is within 20% of the most recent - * filter output. - * - * \return The filtered exposure - */ -utils::Duration Agc::filterExposure(utils::Duration exposureValue) -{ - double speed = 0.2; - - /* Adapt instantly if we are in startup phase. */ - if (frameCount_ < kNumStartupFrames) - speed = 1.0; - - /* - * If we are close to the desired result, go faster to avoid making - * multiple micro-adjustments. - * \todo Make this customisable? - */ - if (filteredExposure_ < 1.2 * exposureValue && - filteredExposure_ > 0.8 * exposureValue) - speed = sqrt(speed); - - filteredExposure_ = speed * exposureValue + - filteredExposure_ * (1.0 - speed); - - LOG(RkISP1Agc, Debug) << "After filtering, exposure " << filteredExposure_; - - return filteredExposure_; -} - -/** - * \brief Estimate the new exposure and gain values - * \param[inout] context The shared IPA Context - * \param[in] frameContext The FrameContext for this frame - * \param[in] yGain The gain calculated on the current brightness level - * \param[in] iqMeanGain The gain calculated based on the relative luminance target - */ -void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, - double yGain, double iqMeanGain) +void Agc::fillMetadata(IPAContext &context, IPAFrameContext &frameContext, + ControlList &metadata) { - IPASessionConfiguration &configuration = context.configuration; - IPAActiveState &activeState = context.activeState; - - /* Get the effective exposure and gain applied on the sensor. */ - uint32_t exposure = frameContext.sensor.exposure; - double analogueGain = frameContext.sensor.gain; - - /* Use the highest of the two gain estimates. */ - double evGain = std::max(yGain, iqMeanGain); - - utils::Duration minShutterSpeed = configuration.sensor.minShutterSpeed; - utils::Duration maxShutterSpeed = std::min(configuration.sensor.maxShutterSpeed, - kMaxShutterSpeed); - - double minAnalogueGain = std::max(configuration.sensor.minAnalogueGain, - kMinAnalogueGain); - double maxAnalogueGain = configuration.sensor.maxAnalogueGain; - - /* Consider within 1% of the target as correctly exposed. */ - if (utils::abs_diff(evGain, 1.0) < 0.01) - return; - - /* extracted from Rpi::Agc::computeTargetExposure. */ - - /* Calculate the shutter time in seconds. */ - utils::Duration currentShutter = exposure * configuration.sensor.lineDuration; - - /* - * Update the exposure value for the next computation using the values - * of exposure and gain really used by the sensor. - */ - utils::Duration effectiveExposureValue = currentShutter * analogueGain; - - LOG(RkISP1Agc, Debug) << "Actual total exposure " << currentShutter * analogueGain - << " Shutter speed " << currentShutter - << " Gain " << analogueGain - << " Needed ev gain " << evGain; - - /* - * Calculate the current exposure value for the scene as the latest - * exposure value applied multiplied by the new estimated gain. - */ - utils::Duration exposureValue = effectiveExposureValue * evGain; - - /* Clamp the exposure value to the min and max authorized. */ - utils::Duration maxTotalExposure = maxShutterSpeed * maxAnalogueGain; - exposureValue = std::min(exposureValue, maxTotalExposure); - LOG(RkISP1Agc, Debug) << "Target total exposure " << exposureValue - << ", maximum is " << maxTotalExposure; - - /* - * Divide the exposure value as new exposure and gain values. - * \todo estimate if we need to desaturate - */ - exposureValue = filterExposure(exposureValue); + utils::Duration exposureTime = context.configuration.sensor.lineDuration + * frameContext.sensor.exposure; + metadata.set(controls::AnalogueGain, frameContext.sensor.gain); + metadata.set(controls::ExposureTime, exposureTime.get<std::micro>()); + metadata.set(controls::AeEnable, frameContext.agc.autoEnabled); - /* - * Push the shutter time up to the maximum first, and only then - * increase the gain. - */ - utils::Duration shutterTime = std::clamp<utils::Duration>(exposureValue / minAnalogueGain, - minShutterSpeed, maxShutterSpeed); - double stepGain = std::clamp(exposureValue / shutterTime, - minAnalogueGain, maxAnalogueGain); - LOG(RkISP1Agc, Debug) << "Divided up shutter and gain are " - << shutterTime << " and " - << stepGain; + /* \todo Use VBlank value calculated from each frame exposure. */ + uint32_t vTotal = context.configuration.sensor.size.height + + context.configuration.sensor.defVBlank; + utils::Duration frameDuration = context.configuration.sensor.lineDuration + * vTotal; + metadata.set(controls::FrameDuration, frameDuration.get<std::micro>()); - /* Update the estimated exposure and gain. */ - activeState.agc.automatic.exposure = shutterTime / configuration.sensor.lineDuration; - activeState.agc.automatic.gain = stepGain; + metadata.set(controls::AeMeteringMode, frameContext.agc.meteringMode); + metadata.set(controls::AeExposureMode, frameContext.agc.exposureMode); + metadata.set(controls::AeConstraintMode, frameContext.agc.constraintMode); } /** * \brief Estimate the relative luminance of the frame with a given gain - * \param[in] expMeans The mean luminance values, from the RkISP1 statistics * \param[in] gain The gain to apply to the frame * * This function estimates the average relative luminance of the frame that @@ -322,8 +374,6 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, * YUV doesn't take into account the fact that the R, G and B components * contribute differently to the relative luminance. * - * \todo Have a dedicated YUV algorithm ? - * * The values are normalized to the [0.0, 1.0] range, where 1.0 corresponds to a * theoretical perfect reflector of 100% reference white. * @@ -332,45 +382,17 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, * * \return The relative luminance */ -double Agc::estimateLuminance(Span<const uint8_t> expMeans, double gain) +double Agc::estimateLuminance(double gain) const { double ySum = 0.0; /* Sum the averages, saturated to 255. */ - for (uint8_t expMean : expMeans) + for (uint8_t expMean : expMeans_) ySum += std::min(expMean * gain, 255.0); /* \todo Weight with the AWB gains */ - return ySum / expMeans.size() / 255; -} - -/** - * \brief Estimate the mean value of the top 2% of the histogram - * \param[in] hist The histogram statistics computed by the RkISP1 - * \return The mean value of the top 2% of the histogram - */ -double Agc::measureBrightness(Span<const uint32_t> hist) const -{ - Histogram histogram{ hist }; - /* Estimate the quantile mean of the top 2% of the histogram. */ - return histogram.interQuantileMean(0.98, 1.0); -} - -void Agc::fillMetadata(IPAContext &context, IPAFrameContext &frameContext, - ControlList &metadata) -{ - utils::Duration exposureTime = context.configuration.sensor.lineDuration - * frameContext.sensor.exposure; - metadata.set(controls::AnalogueGain, frameContext.sensor.gain); - metadata.set(controls::ExposureTime, exposureTime.get<std::micro>()); - - /* \todo Use VBlank value calculated from each frame exposure. */ - uint32_t vTotal = context.configuration.sensor.size.height - + context.configuration.sensor.defVBlank; - utils::Duration frameDuration = context.configuration.sensor.lineDuration - * vTotal; - metadata.set(controls::FrameDuration, frameDuration.get<std::micro>()); + return ySum / expMeans_.size() / 255; } /** @@ -404,41 +426,45 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame, const rkisp1_cif_isp_stat *params = &stats->params; ASSERT(stats->meas_type & RKISP1_CIF_ISP_STAT_AUTOEXP); - Span<const uint8_t> ae{ params->ae.exp_mean, context.hw->numAeCells }; - Span<const uint32_t> hist{ - params->hist.hist_bins, - context.hw->numHistogramBins - }; + /* The lower 4 bits are fractional and meant to be discarded. */ + Histogram hist({ params->hist.hist_bins, context.hw->numHistogramBins }, + [](uint32_t x) { return x >> 4; }); + expMeans_ = { params->ae.exp_mean, context.hw->numAeCells }; - double iqMean = measureBrightness(hist); - double iqMeanGain = kEvGainTarget * hist.size() / iqMean; + utils::Duration maxShutterSpeed = std::min(context.configuration.sensor.maxShutterSpeed, + frameContext.agc.maxShutterSpeed); + setLimits(context.configuration.sensor.minShutterSpeed, + maxShutterSpeed, + context.configuration.sensor.minAnalogueGain, + context.configuration.sensor.maxAnalogueGain); /* - * Estimate the gain needed to achieve a relative luminance target. To - * account for non-linearity caused by saturation, the value needs to be - * estimated in an iterative process, as multiplying by a gain will not - * increase the relative luminance by the same factor if some image - * regions are saturated. + * The Agc algorithm needs to know the effective exposure value that was + * applied to the sensor when the statistics were collected. */ - double yGain = 1.0; - double yTarget = kRelativeLuminanceTarget; - - for (unsigned int i = 0; i < 8; i++) { - double yValue = estimateLuminance(ae, yGain); - double extra_gain = std::min(10.0, yTarget / (yValue + .001)); - - yGain *= extra_gain; - LOG(RkISP1Agc, Debug) << "Y value: " << yValue - << ", Y target: " << yTarget - << ", gives gain " << yGain; - if (extra_gain < 1.01) - break; - } + utils::Duration exposureTime = context.configuration.sensor.lineDuration + * frameContext.sensor.exposure; + double analogueGain = frameContext.sensor.gain; + utils::Duration effectiveExposureValue = exposureTime * analogueGain; - computeExposure(context, frameContext, yGain, iqMeanGain); - frameCount_++; + utils::Duration shutterTime; + double aGain, dGain; + std::tie(shutterTime, aGain, dGain) = + calculateNewEv(context.activeState.agc.constraintMode, + context.activeState.agc.exposureMode, + hist, effectiveExposureValue); + + LOG(RkISP1Agc, Debug) + << "Divided up shutter, analogue gain and digital gain are " + << shutterTime << ", " << aGain << " and " << dGain; + + IPAActiveState &activeState = context.activeState; + /* Update the estimated exposure and gain. */ + activeState.agc.automatic.exposure = shutterTime / context.configuration.sensor.lineDuration; + activeState.agc.automatic.gain = aGain; fillMetadata(context, frameContext, metadata); + expMeans_ = {}; } REGISTER_IPA_ALGORITHM(Agc, "Agc") diff --git a/src/ipa/rkisp1/algorithms/agc.h b/src/ipa/rkisp1/algorithms/agc.h index fb82a33f..996fea71 100644 --- a/src/ipa/rkisp1/algorithms/agc.h +++ b/src/ipa/rkisp1/algorithms/agc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * agc.h - RkISP1 AGC/AEC mean-based control algorithm + * RkISP1 AGC/AEC mean-based control algorithm */ #pragma once @@ -14,18 +14,22 @@ #include <libcamera/geometry.h> +#include "libipa/agc_mean_luminance.h" +#include "libipa/histogram.h" + #include "algorithm.h" namespace libcamera { namespace ipa::rkisp1::algorithms { -class Agc : public Algorithm +class Agc : public Algorithm, public AgcMeanLuminance { public: Agc(); ~Agc() = default; + int init(IPAContext &context, const YamlObject &tuningData) override; int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override; void queueRequest(IPAContext &context, const uint32_t frame, @@ -40,17 +44,17 @@ public: ControlList &metadata) override; private: - void computeExposure(IPAContext &Context, IPAFrameContext &frameContext, - double yGain, double iqMeanGain); - utils::Duration filterExposure(utils::Duration exposureValue); - double estimateLuminance(Span<const uint8_t> expMeans, double gain); - double measureBrightness(Span<const uint32_t> hist) const; + int parseMeteringModes(IPAContext &context, const YamlObject &tuningData); + uint8_t computeHistogramPredivider(Size &size, + enum rkisp1_cif_isp_histogram_mode mode); + void fillMetadata(IPAContext &context, IPAFrameContext &frameContext, ControlList &metadata); + double estimateLuminance(double gain) const override; - uint64_t frameCount_; + Span<const uint8_t> expMeans_; - utils::Duration filteredExposure_; + std::map<int32_t, std::vector<uint8_t>> meteringModes_; }; } /* namespace ipa::rkisp1::algorithms */ diff --git a/src/ipa/rkisp1/algorithms/algorithm.h b/src/ipa/rkisp1/algorithms/algorithm.h index 9454c9a1..715cfcd8 100644 --- a/src/ipa/rkisp1/algorithms/algorithm.h +++ b/src/ipa/rkisp1/algorithms/algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Ideas On Board * - * algorithm.h - RkISP1 control algorithm interface + * RkISP1 control algorithm interface */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp index 744f4a38..a01fe5d9 100644 --- a/src/ipa/rkisp1/algorithms/awb.cpp +++ b/src/ipa/rkisp1/algorithms/awb.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * awb.cpp - AWB control algorithm + * AWB control algorithm */ #include "awb.h" diff --git a/src/ipa/rkisp1/algorithms/awb.h b/src/ipa/rkisp1/algorithms/awb.h index 9d45a442..06c92896 100644 --- a/src/ipa/rkisp1/algorithms/awb.h +++ b/src/ipa/rkisp1/algorithms/awb.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * awb.h - AWB control algorithm + * AWB control algorithm */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/blc.cpp b/src/ipa/rkisp1/algorithms/blc.cpp index 15324fb1..d2e74354 100644 --- a/src/ipa/rkisp1/algorithms/blc.cpp +++ b/src/ipa/rkisp1/algorithms/blc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * blc.cpp - RkISP1 Black Level Correction control + * RkISP1 Black Level Correction control */ #include "blc.h" diff --git a/src/ipa/rkisp1/algorithms/blc.h b/src/ipa/rkisp1/algorithms/blc.h index 0b1a2d43..460ebcc1 100644 --- a/src/ipa/rkisp1/algorithms/blc.h +++ b/src/ipa/rkisp1/algorithms/blc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * blc.h - RkISP1 Black Level Correction control + * RkISP1 Black Level Correction control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/cproc.cpp b/src/ipa/rkisp1/algorithms/cproc.cpp index eaa56c37..ef0931b2 100644 --- a/src/ipa/rkisp1/algorithms/cproc.cpp +++ b/src/ipa/rkisp1/algorithms/cproc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * cproc.cpp - RkISP1 Color Processing control + * RkISP1 Color Processing control */ #include "cproc.h" @@ -33,20 +33,71 @@ namespace ipa::rkisp1::algorithms { LOG_DEFINE_CATEGORY(RkISP1CProc) +namespace { + +constexpr float kDefaultBrightness = 0.0f; +constexpr float kDefaultContrast = 1.0f; +constexpr float kDefaultSaturation = 1.0f; + +int convertBrightness(const float v) +{ + return std::clamp<int>(std::lround(v * 128), -128, 127); +} + +int convertContrastOrSaturation(const float v) +{ + return std::clamp<int>(std::lround(v * 128), 0, 255); +} + +} /* namespace */ + +/** + * \copydoc libcamera::ipa::Algorithm::init + */ +int ColorProcessing::init(IPAContext &context, + [[maybe_unused]] const YamlObject &tuningData) +{ + auto &cmap = context.ctrlMap; + + cmap[&controls::Brightness] = ControlInfo(-1.0f, 0.993f, kDefaultBrightness); + cmap[&controls::Contrast] = ControlInfo(0.0f, 1.993f, kDefaultContrast); + cmap[&controls::Saturation] = ControlInfo(0.0f, 1.993f, kDefaultSaturation); + + return 0; +} + +/** + * \copydoc libcamera::ipa::Algorithm::configure + */ +int ColorProcessing::configure(IPAContext &context, + [[maybe_unused]] const IPACameraSensorInfo &configInfo) +{ + auto &cproc = context.activeState.cproc; + + cproc.brightness = convertBrightness(kDefaultBrightness); + cproc.contrast = convertContrastOrSaturation(kDefaultContrast); + cproc.saturation = convertContrastOrSaturation(kDefaultSaturation); + + return 0; +} + /** * \copydoc libcamera::ipa::Algorithm::queueRequest */ void ColorProcessing::queueRequest(IPAContext &context, - [[maybe_unused]] const uint32_t frame, + const uint32_t frame, IPAFrameContext &frameContext, const ControlList &controls) { auto &cproc = context.activeState.cproc; bool update = false; + if (frame == 0) + update = true; + const auto &brightness = controls.get(controls::Brightness); if (brightness) { - int value = std::clamp<int>(std::lround(*brightness * 128), -128, 127); + int value = convertBrightness(*brightness); if (cproc.brightness != value) { cproc.brightness = value; update = true; @@ -57,7 +108,7 @@ void ColorProcessing::queueRequest(IPAContext &context, const auto &contrast = controls.get(controls::Contrast); if (contrast) { - int value = std::clamp<int>(std::lround(*contrast * 128), 0, 255); + int value = convertContrastOrSaturation(*contrast); if (cproc.contrast != value) { cproc.contrast = value; update = true; @@ -68,7 +119,7 @@ void ColorProcessing::queueRequest(IPAContext &context, const auto saturation = controls.get(controls::Saturation); if (saturation) { - int value = std::clamp<int>(std::lround(*saturation * 128), 0, 255); + int value = convertContrastOrSaturation(*saturation); if (cproc.saturation != value) { cproc.saturation = value; update = true; diff --git a/src/ipa/rkisp1/algorithms/cproc.h b/src/ipa/rkisp1/algorithms/cproc.h index ba6e901a..e50e7200 100644 --- a/src/ipa/rkisp1/algorithms/cproc.h +++ b/src/ipa/rkisp1/algorithms/cproc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * cproc.h - RkISP1 Color Processing control + * RkISP1 Color Processing control */ #pragma once @@ -21,6 +21,9 @@ public: ColorProcessing() = default; ~ColorProcessing() = default; + int init(IPAContext &context, const YamlObject &tuningData) override; + int configure(IPAContext &context, + const IPACameraSensorInfo &configInfo) override; void queueRequest(IPAContext &context, const uint32_t frame, IPAFrameContext &frameContext, const ControlList &controls) override; diff --git a/src/ipa/rkisp1/algorithms/dpcc.cpp b/src/ipa/rkisp1/algorithms/dpcc.cpp index 80a1b734..b5a339e9 100644 --- a/src/ipa/rkisp1/algorithms/dpcc.cpp +++ b/src/ipa/rkisp1/algorithms/dpcc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * dpcc.cpp - RkISP1 Defect Pixel Cluster Correction control + * RkISP1 Defect Pixel Cluster Correction control */ #include "dpcc.h" diff --git a/src/ipa/rkisp1/algorithms/dpcc.h b/src/ipa/rkisp1/algorithms/dpcc.h index b1fac7d1..d39b7bed 100644 --- a/src/ipa/rkisp1/algorithms/dpcc.h +++ b/src/ipa/rkisp1/algorithms/dpcc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * dpcc.h - RkISP1 Defect Pixel Cluster Correction control + * RkISP1 Defect Pixel Cluster Correction control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/dpf.cpp b/src/ipa/rkisp1/algorithms/dpf.cpp index 5bd7e59f..abf95728 100644 --- a/src/ipa/rkisp1/algorithms/dpf.cpp +++ b/src/ipa/rkisp1/algorithms/dpf.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * dpf.cpp - RkISP1 Denoise Pre-Filter control + * RkISP1 Denoise Pre-Filter control */ #include "dpf.h" diff --git a/src/ipa/rkisp1/algorithms/dpf.h b/src/ipa/rkisp1/algorithms/dpf.h index 58f29f74..da0115ba 100644 --- a/src/ipa/rkisp1/algorithms/dpf.h +++ b/src/ipa/rkisp1/algorithms/dpf.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * dpf.h - RkISP1 Denoise Pre-Filter control + * RkISP1 Denoise Pre-Filter control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/filter.cpp b/src/ipa/rkisp1/algorithms/filter.cpp index 4b89c05a..9752248a 100644 --- a/src/ipa/rkisp1/algorithms/filter.cpp +++ b/src/ipa/rkisp1/algorithms/filter.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * filter.cpp - RkISP1 Filter control + * RkISP1 Filter control */ #include "filter.h" diff --git a/src/ipa/rkisp1/algorithms/filter.h b/src/ipa/rkisp1/algorithms/filter.h index 3fd882ea..d595811d 100644 --- a/src/ipa/rkisp1/algorithms/filter.h +++ b/src/ipa/rkisp1/algorithms/filter.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * filter.h - RkISP1 Filter control + * RkISP1 Filter control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/goc.cpp b/src/ipa/rkisp1/algorithms/goc.cpp new file mode 100644 index 00000000..a82cee3b --- /dev/null +++ b/src/ipa/rkisp1/algorithms/goc.cpp @@ -0,0 +1,148 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Ideas On Board + * + * RkISP1 Gamma out control + */ +#include "goc.h" + +#include <cmath> + +#include <libcamera/base/log.h> +#include <libcamera/base/utils.h> + +#include <libcamera/control_ids.h> + +#include "libcamera/internal/yaml_parser.h" + +#include "linux/rkisp1-config.h" + +/** + * \file goc.h + */ + +namespace libcamera { + +namespace ipa::rkisp1::algorithms { + +/** + * \class GammaOutCorrection + * \brief RkISP1 Gamma out correction + * + * This algorithm implements the gamma out curve for the RkISP1. It defaults to + * a gamma value of 2.2. + * + * As gamma is internally represented as a piecewise linear function with only + * 17 knots, the difference between gamma=2.2 and sRGB gamma is minimal. + * Therefore sRGB gamma was not implemented as special case. + * + * Useful links: + * - https://www.cambridgeincolour.com/tutorials/gamma-correction.htm + * - https://en.wikipedia.org/wiki/SRGB + */ + +LOG_DEFINE_CATEGORY(RkISP1Gamma) + +const float kDefaultGamma = 2.2f; + +/** + * \copydoc libcamera::ipa::Algorithm::init + */ +int GammaOutCorrection::init(IPAContext &context, const YamlObject &tuningData) +{ + if (context.hw->numGammaOutSamples != + RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10) { + LOG(RkISP1Gamma, Error) + << "Gamma is not implemented for RkISP1 V12"; + return -EINVAL; + } + + defaultGamma_ = tuningData["gamma"].get<double>(kDefaultGamma); + context.ctrlMap[&controls::Gamma] = ControlInfo(0.1f, 10.0f, defaultGamma_); + + return 0; +} + +/** + * \copydoc libcamera::ipa::Algorithm::configure + */ +int GammaOutCorrection::configure(IPAContext &context, + [[maybe_unused]] const IPACameraSensorInfo &configInfo) +{ + context.activeState.goc.gamma = defaultGamma_; + return 0; +} + +/** + * \copydoc libcamera::ipa::Algorithm::queueRequest + */ +void GammaOutCorrection::queueRequest(IPAContext &context, const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) +{ + if (frame == 0) + frameContext.goc.update = true; + + const auto &gamma = controls.get(controls::Gamma); + if (gamma) { + context.activeState.goc.gamma = *gamma; + frameContext.goc.update = true; + LOG(RkISP1Gamma, Debug) << "Set gamma to " << *gamma; + } + + frameContext.goc.gamma = context.activeState.goc.gamma; +} + +/** + * \copydoc libcamera::ipa::Algorithm::prepare + */ +void GammaOutCorrection::prepare(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + rkisp1_params_cfg *params) +{ + ASSERT(context.hw->numGammaOutSamples == + RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10); + + /* + * The logarithmic segments as specified in the reference. + * Plus an additional 0 to make the loop easier + */ + static constexpr std::array<unsigned int, RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10> segments = { + 64, 64, 64, 64, 128, 128, 128, 128, 256, + 256, 256, 512, 512, 512, 512, 512, 0 + }; + __u16 *gamma_y = params->others.goc_config.gamma_y; + + if (!frameContext.goc.update) + return; + + unsigned x = 0; + for (const auto [i, size] : utils::enumerate(segments)) { + gamma_y[i] = std::pow(x / 4096.0, 1.0 / frameContext.goc.gamma) * 1023.0; + x += size; + } + + params->others.goc_config.mode = RKISP1_CIF_ISP_GOC_MODE_LOGARITHMIC; + params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_GOC; + params->module_en_update |= RKISP1_CIF_ISP_MODULE_GOC; + params->module_ens |= RKISP1_CIF_ISP_MODULE_GOC; +} + +/** + * \copydoc libcamera::ipa::Algorithm::process + */ +void GammaOutCorrection::process([[maybe_unused]] IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + [[maybe_unused]] const rkisp1_stat_buffer *stats, + ControlList &metadata) +{ + metadata.set(controls::Gamma, frameContext.goc.gamma); +} + +REGISTER_IPA_ALGORITHM(GammaOutCorrection, "GammaOutCorrection") + +} /* namespace ipa::rkisp1::algorithms */ + +} /* namespace libcamera */ diff --git a/src/ipa/rkisp1/algorithms/goc.h b/src/ipa/rkisp1/algorithms/goc.h new file mode 100644 index 00000000..0e05d7ce --- /dev/null +++ b/src/ipa/rkisp1/algorithms/goc.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Ideas On Board + * + * RkISP1 Gamma out control + */ + +#pragma once + +#include "algorithm.h" + +namespace libcamera { + +namespace ipa::rkisp1::algorithms { + +class GammaOutCorrection : public Algorithm +{ +public: + GammaOutCorrection() = default; + ~GammaOutCorrection() = default; + + int init(IPAContext &context, const YamlObject &tuningData) override; + int configure(IPAContext &context, + const IPACameraSensorInfo &configInfo) override; + void queueRequest(IPAContext &context, + const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) override; + void prepare(IPAContext &context, const uint32_t frame, + IPAFrameContext &frameContext, + rkisp1_params_cfg *params) override; + void process(IPAContext &context, const uint32_t frame, + IPAFrameContext &frameContext, + const rkisp1_stat_buffer *stats, + ControlList &metadata) override; + +private: + float defaultGamma_; +}; + +} /* namespace ipa::rkisp1::algorithms */ +} /* namespace libcamera */ diff --git a/src/ipa/rkisp1/algorithms/gsl.cpp b/src/ipa/rkisp1/algorithms/gsl.cpp index b9f87912..9b056c6e 100644 --- a/src/ipa/rkisp1/algorithms/gsl.cpp +++ b/src/ipa/rkisp1/algorithms/gsl.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * gsl.cpp - RkISP1 Gamma Sensor Linearization control + * RkISP1 Gamma Sensor Linearization control */ #include "gsl.h" diff --git a/src/ipa/rkisp1/algorithms/gsl.h b/src/ipa/rkisp1/algorithms/gsl.h index 0f1116a7..c404105e 100644 --- a/src/ipa/rkisp1/algorithms/gsl.h +++ b/src/ipa/rkisp1/algorithms/gsl.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * gsl.h - RkISP1 Gamma Sensor Linearization control + * RkISP1 Gamma Sensor Linearization control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/lsc.cpp b/src/ipa/rkisp1/algorithms/lsc.cpp index a7ccedb1..161183fc 100644 --- a/src/ipa/rkisp1/algorithms/lsc.cpp +++ b/src/ipa/rkisp1/algorithms/lsc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * lsc.cpp - RkISP1 Lens Shading Correction control + * RkISP1 Lens Shading Correction control */ #include "lsc.h" diff --git a/src/ipa/rkisp1/algorithms/lsc.h b/src/ipa/rkisp1/algorithms/lsc.h index e2a93a56..5baf5927 100644 --- a/src/ipa/rkisp1/algorithms/lsc.h +++ b/src/ipa/rkisp1/algorithms/lsc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * lsc.h - RkISP1 Lens Shading Correction control + * RkISP1 Lens Shading Correction control */ #pragma once diff --git a/src/ipa/rkisp1/algorithms/meson.build b/src/ipa/rkisp1/algorithms/meson.build index 93a48329..6ee71a9b 100644 --- a/src/ipa/rkisp1/algorithms/meson.build +++ b/src/ipa/rkisp1/algorithms/meson.build @@ -8,6 +8,7 @@ rkisp1_ipa_algorithms = files([ 'dpcc.cpp', 'dpf.cpp', 'filter.cpp', + 'goc.cpp', 'gsl.cpp', 'lsc.cpp', ]) diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp index 070834fa..65e0c58c 100644 --- a/src/ipa/rkisp1/ipa_context.cpp +++ b/src/ipa/rkisp1/ipa_context.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * ipa_context.cpp - RkISP1 IPA Context + * RkISP1 IPA Context */ #include "ipa_context.h" @@ -218,6 +218,14 @@ namespace libcamera::ipa::rkisp1 { */ /** + * \var IPAActiveState::goc + * \brief State for the goc algorithm + * + * \var IPAActiveState::goc.gamma + * \brief Gamma value applied as 1.0/gamma + */ + +/** * \struct IPAFrameContext * \brief Per-frame context for algorithms * @@ -334,6 +342,18 @@ namespace libcamera::ipa::rkisp1 { */ /** + * \var IPAFrameContext::goc + * \brief Gamma out correction parameters for this frame + * + * \var IPAFrameContext::goc.gamma + * \brief Gamma value applied as 1.0/gamma + * + * \var IPAFrameContext::goc.update + * \brief Indicates if the goc parameters have been updated compared to the + * previous frame + */ + +/** * \var IPAFrameContext::sensor * \brief Sensor configuration that used been used for this frame * diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h index 10d8f38c..6022480d 100644 --- a/src/ipa/rkisp1/ipa_context.h +++ b/src/ipa/rkisp1/ipa_context.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021-2022, Ideas On Board * - * ipa_context.h - RkISP1 IPA Context + * RkISP1 IPA Context * */ @@ -12,6 +12,8 @@ #include <libcamera/base/utils.h> +#include <libcamera/control_ids.h> +#include <libcamera/controls.h> #include <libcamera/geometry.h> #include <libipa/fc_queue.h> @@ -67,6 +69,10 @@ struct IPAActiveState { } automatic; bool autoEnabled; + controls::AeConstraintModeEnum constraintMode; + controls::AeExposureModeEnum exposureMode; + controls::AeMeteringModeEnum meteringMode; + utils::Duration maxShutterSpeed; } agc; struct { @@ -101,6 +107,10 @@ struct IPAActiveState { uint8_t denoise; uint8_t sharpness; } filter; + + struct { + double gamma; + } goc; }; struct IPAFrameContext : public FrameContext { @@ -108,6 +118,11 @@ struct IPAFrameContext : public FrameContext { uint32_t exposure; double gain; bool autoEnabled; + controls::AeConstraintModeEnum constraintMode; + controls::AeExposureModeEnum exposureMode; + controls::AeMeteringModeEnum meteringMode; + utils::Duration maxShutterSpeed; + bool update; } agc; struct { @@ -140,6 +155,11 @@ struct IPAFrameContext : public FrameContext { } filter; struct { + double gamma; + bool update; + } goc; + + struct { uint32_t exposure; double gain; } sensor; @@ -151,6 +171,8 @@ struct IPAContext { IPAActiveState activeState; FCQueue<IPAFrameContext> frameContexts; + + ControlInfoMap::Map ctrlMap; }; } /* namespace ipa::rkisp1 */ diff --git a/src/ipa/rkisp1/meson.build b/src/ipa/rkisp1/meson.build index e813da53..e8b266f1 100644 --- a/src/ipa/rkisp1/meson.build +++ b/src/ipa/rkisp1/meson.build @@ -8,6 +8,7 @@ ipa_name = 'ipa_rkisp1' rkisp1_ipa_sources = files([ 'ipa_context.cpp', 'rkisp1.cpp', + 'utils.cpp', ]) rkisp1_ipa_sources += rkisp1_ipa_algorithms @@ -15,9 +16,8 @@ rkisp1_ipa_sources += rkisp1_ipa_algorithms mod = shared_module(ipa_name, [rkisp1_ipa_sources, libcamera_generated_ipa_headers], name_prefix : '', - include_directories : [ipa_includes, libipa_includes], - dependencies : libcamera_private, - link_with : libipa, + include_directories : [ipa_includes], + dependencies : [libcamera_private, libipa_dep], install : true, install_dir : ipa_install_dir) diff --git a/src/ipa/rkisp1/module.h b/src/ipa/rkisp1/module.h index 89f83208..16c3e43e 100644 --- a/src/ipa/rkisp1/module.h +++ b/src/ipa/rkisp1/module.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Ideas On Board * - * module.h - RkISP1 IPA Module + * RkISP1 IPA Module */ #pragma once diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp index 9dc5f53c..62d56a3a 100644 --- a/src/ipa/rkisp1/rkisp1.cpp +++ b/src/ipa/rkisp1/rkisp1.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Google Inc. * - * rkisp1.cpp - RkISP1 Image Processing Algorithms + * RkISP1 Image Processing Algorithms */ #include <algorithm> @@ -109,9 +109,6 @@ const ControlInfoMap::Map rkisp1Controls{ { &controls::AeEnable, ControlInfo(false, true) }, { &controls::AwbEnable, ControlInfo(false, true) }, { &controls::ColourGains, ControlInfo(0.0f, 3.996f, 1.0f) }, - { &controls::Brightness, ControlInfo(-1.0f, 0.993f, 0.0f) }, - { &controls::Contrast, ControlInfo(0.0f, 1.993f, 1.0f) }, - { &controls::Saturation, ControlInfo(0.0f, 1.993f, 1.0f) }, { &controls::Sharpness, ControlInfo(0.0f, 10.0f, 1.0f) }, { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) }, }; @@ -119,7 +116,7 @@ const ControlInfoMap::Map rkisp1Controls{ } /* namespace */ IPARkISP1::IPARkISP1() - : context_({ {}, {}, {}, { kMaxFrameContexts } }) + : context_({ {}, {}, {}, { kMaxFrameContexts }, {} }) { } @@ -427,6 +424,7 @@ void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo, frameDurations[1], frameDurations[2]); + ctrlMap.insert(context_.ctrlMap.begin(), context_.ctrlMap.end()); *ipaControls = ControlInfoMap(std::move(ctrlMap), controls::controls); } @@ -458,7 +456,7 @@ extern "C" { const struct IPAModuleInfo ipaModuleInfo = { IPA_MODULE_API_VERSION, 1, - "PipelineHandlerRkISP1", + "rkisp1", "rkisp1", }; diff --git a/src/ipa/rkisp1/utils.cpp b/src/ipa/rkisp1/utils.cpp new file mode 100644 index 00000000..960ec64e --- /dev/null +++ b/src/ipa/rkisp1/utils.cpp @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Miscellaneous utility functions specific to rkisp1 + */ + +#include "utils.h" + +/** + * \file utils.h + */ + +namespace libcamera { + +namespace ipa::rkisp1::utils { + +/** + * \fn R floatingToFixedPoint(T number) + * \brief Convert a floating point number to a fixed-point representation + * \tparam I Bit width of the integer part of the fixed-point + * \tparam F Bit width of the fractional part of the fixed-point + * \tparam R Return type of the fixed-point representation + * \tparam T Input type of the floating point representation + * \param number The floating point number to convert to fixed point + * \return The converted value + */ + +/** + * \fn R fixedToFloatingPoint(T number) + * \brief Convert a fixed-point number to a floating point representation + * \tparam I Bit width of the integer part of the fixed-point + * \tparam F Bit width of the fractional part of the fixed-point + * \tparam R Return type of the floating point representation + * \tparam T Input type of the fixed-point representation + * \param number The fixed point number to convert to floating point + * \return The converted value + */ + +} /* namespace ipa::rkisp1::utils */ + +} /* namespace libcamera */ diff --git a/src/ipa/rkisp1/utils.h b/src/ipa/rkisp1/utils.h new file mode 100644 index 00000000..450f2244 --- /dev/null +++ b/src/ipa/rkisp1/utils.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Miscellaneous utility functions specific to rkisp1 + */ + +#pragma once + +#include <cmath> +#include <limits> +#include <type_traits> + +namespace libcamera { + +namespace ipa::rkisp1::utils { + +#ifndef __DOXYGEN__ +template<unsigned int I, unsigned int F, typename R, typename T, + std::enable_if_t<std::is_integral_v<R> && + std::is_floating_point_v<T>> * = nullptr> +#else +template<unsigned int I, unsigned int F, typename R, typename T> +#endif +constexpr R floatingToFixedPoint(T number) +{ + static_assert(sizeof(int) >= sizeof(R)); + static_assert(I + F <= sizeof(R) * 8); + + /* + * The intermediate cast to int is needed on arm platforms to properly + * cast negative values. See + * https://embeddeduse.com/2013/08/25/casting-a-negative-float-to-an-unsigned-int/ + */ + R mask = (1 << (F + I)) - 1; + R frac = static_cast<R>(static_cast<int>(std::round(number * (1 << F)))) & mask; + + return frac; +} + +#ifndef __DOXYGEN__ +template<unsigned int I, unsigned int F, typename R, typename T, + std::enable_if_t<std::is_floating_point_v<R> && + std::is_integral_v<T>> * = nullptr> +#else +template<unsigned int I, unsigned int F, typename R, typename T> +#endif +constexpr R fixedToFloatingPoint(T number) +{ + static_assert(sizeof(int) >= sizeof(T)); + static_assert(I + F <= sizeof(T) * 8); + + /* + * Recreate the upper bits in case of a negative number by shifting the sign + * bit from the fixed point to the first bit of the unsigned and then right shifting + * by the same amount which keeps the sign bit in place. + * This can be optimized by the compiler quite well. + */ + int remaining_bits = sizeof(int) * 8 - (I + F); + int t = static_cast<int>(static_cast<unsigned>(number) << remaining_bits) >> remaining_bits; + return static_cast<R>(t) / static_cast<R>(1 << F); +} + +} /* namespace ipa::rkisp1::utils */ + +} /* namespace libcamera */ diff --git a/src/ipa/rpi/cam_helper/cam_helper.cpp b/src/ipa/rpi/cam_helper/cam_helper.cpp index ddd5e9a4..ee5d011f 100644 --- a/src/ipa/rpi/cam_helper/cam_helper.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * cam_helper.cpp - helper information for different sensors + * helper information for different sensors */ #include <linux/videodev2.h> diff --git a/src/ipa/rpi/cam_helper/cam_helper.h b/src/ipa/rpi/cam_helper/cam_helper.h index 58a4b202..4a4ab5e6 100644 --- a/src/ipa/rpi/cam_helper/cam_helper.h +++ b/src/ipa/rpi/cam_helper/cam_helper.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * cam_helper.h - helper class providing camera information + * helper class providing camera information */ #pragma once diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp index c3337ed0..91461f7a 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * cam_helper_imx219.cpp - camera helper for imx219 sensor + * camera helper for imx219 sensor */ #include <assert.h> diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp index d98b51cd..24275e12 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Raspberry Pi Ltd * - * cam_helper_imx290.cpp - camera helper for imx290 sensor + * camera helper for imx290 sensor */ #include <math.h> diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp index ecb845e7..d4a4fa79 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2020, Raspberry Pi Ltd * - * cam_helper_imx296.cpp - Camera helper for IMX296 sensor + * Camera helper for IMX296 sensor */ #include <algorithm> diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp index bc769ca7..6bd89334 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2020, Raspberry Pi Ltd * - * cam_helper_imx477.cpp - camera helper for imx477 sensor + * camera helper for imx477 sensor */ #include <algorithm> diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp index c7262aa0..c2de3d40 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp @@ -3,7 +3,7 @@ * Based on cam_helper_imx477.cpp * Copyright (C) 2020, Raspberry Pi Ltd * - * cam_helper_imx519.cpp - camera helper for imx519 sensor + * camera helper for imx519 sensor * Copyright (C) 2021, Arducam Technology co., Ltd. */ diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp index 906c6fa2..63ddb55e 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Raspberry Pi Ltd * - * cam_helper_imx708.cpp - camera helper for imx708 sensor + * camera helper for imx708 sensor */ #include <cmath> diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp index 5a99083d..c30b017c 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * cam_helper_ov5647.cpp - camera information for ov5647 sensor + * camera information for ov5647 sensor */ #include <assert.h> diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp index 27e449b1..a8efd389 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp @@ -3,7 +3,7 @@ * Copyright (C) 2021, Raspberry Pi Ltd * Copyright (C) 2023, Ideas on Board Oy. * - * cam_helper_ov64a40.cpp - camera information for ov64a40 sensor + * camera information for ov64a40 sensor */ #include <assert.h> diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp index 86c5bc4c..a65c8ac0 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Raspberry Pi Ltd * - * cam_helper_ov9281.cpp - camera information for ov9281 sensor + * camera information for ov9281 sensor */ #include <assert.h> diff --git a/src/ipa/rpi/cam_helper/md_parser.h b/src/ipa/rpi/cam_helper/md_parser.h index 77d557aa..227c376c 100644 --- a/src/ipa/rpi/cam_helper/md_parser.h +++ b/src/ipa/rpi/cam_helper/md_parser.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * md_parser.h - image sensor metadata parser interface + * image sensor metadata parser interface */ #pragma once diff --git a/src/ipa/rpi/cam_helper/md_parser_smia.cpp b/src/ipa/rpi/cam_helper/md_parser_smia.cpp index c5b806d7..c7bdcf94 100644 --- a/src/ipa/rpi/cam_helper/md_parser_smia.cpp +++ b/src/ipa/rpi/cam_helper/md_parser_smia.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * md_parser_smia.cpp - SMIA specification based embedded data parser + * SMIA specification based embedded data parser */ #include <libcamera/base/log.h> diff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp index 3c133c55..ee3848b5 100644 --- a/src/ipa/rpi/common/ipa_base.cpp +++ b/src/ipa/rpi/common/ipa_base.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2023, Raspberry Pi Ltd * - * ipa_base.cpp - Raspberry Pi IPA base class + * Raspberry Pi IPA base class */ #include "ipa_base.h" @@ -25,7 +25,6 @@ #include "controller/contrast_algorithm.h" #include "controller/denoise_algorithm.h" #include "controller/hdr_algorithm.h" -#include "controller/hdr_status.h" #include "controller/lux_status.h" #include "controller/sharpen_algorithm.h" #include "controller/statistics.h" @@ -74,7 +73,7 @@ const ControlInfoMap::Map ipaControls{ { &controls::ScalerCrop, ControlInfo(Rectangle{}, Rectangle(65535, 65535, 65535, 65535), Rectangle{}) }, { &controls::FrameDurationLimits, ControlInfo(INT64_C(33333), INT64_C(120000)) }, { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) }, - { &controls::rpi::StatsOutputEnable, ControlInfo(false, true) }, + { &controls::rpi::StatsOutputEnable, ControlInfo(false, true, false) }, }; /* IPA controls handled conditionally, if the sensor is not mono */ @@ -105,8 +104,8 @@ namespace ipa::RPi { IpaBase::IpaBase() : controller_(), frameLengths_(FrameLengthsQueueSize, 0s), statsMetadataOutput_(false), - frameCount_(0), mistrustCount_(0), lastRunTimestamp_(0), firstStart_(true), - flickerState_({ 0, 0s }) + stitchSwapBuffers_(false), frameCount_(0), mistrustCount_(0), lastRunTimestamp_(0), + firstStart_(true), flickerState_({ 0, 0s }) { } @@ -299,6 +298,8 @@ void IpaBase::start(const ControlList &controls, StartResult *result) result->controls = std::move(ctrls); setCameraTimeoutValue(); } + /* Make a note of this as it tells us the HDR status of the first few frames. */ + hdrStatus_ = agcStatus.hdr; /* * Initialise frame counts, and decide how many frames must be hidden or @@ -402,11 +403,17 @@ void IpaBase::prepareIsp(const PrepareParams ¶ms) * sensor exposure/gain changes. So fetch it from the metadata list * indexed by the IPA cookie returned, and put it in the current frame * metadata. + * + * Note if the HDR mode has changed, as things like tonemaps may need updating. */ AgcStatus agcStatus; + bool hdrChange = false; RPiController::Metadata &delayedMetadata = rpiMetadata_[params.delayContext]; - if (!delayedMetadata.get<AgcStatus>("agc.status", agcStatus)) + if (!delayedMetadata.get<AgcStatus>("agc.status", agcStatus)) { rpiMetadata.set("agc.delayed_status", agcStatus); + hdrChange = agcStatus.hdr.mode != hdrStatus_.mode; + hdrStatus_ = agcStatus.hdr; + } /* * This may overwrite the DeviceStatus using values from the sensor @@ -417,7 +424,7 @@ void IpaBase::prepareIsp(const PrepareParams ¶ms) /* Allow a 10% margin on the comparison below. */ Duration delta = (frameTimestamp - lastRunTimestamp_) * 1.0ns; if (lastRunTimestamp_ && frameCount_ > dropFrameCount_ && - delta < controllerMinFrameDuration * 0.9) { + delta < controllerMinFrameDuration * 0.9 && !hdrChange) { /* * Ensure we merge the previous frame's metadata with the current * frame. This will not overwrite exposure/gain values for the @@ -454,7 +461,7 @@ void IpaBase::prepareIsp(const PrepareParams ¶ms) reportMetadata(ipaContext); /* Ready to push the input buffer into the ISP. */ - prepareIspComplete.emit(params.buffers, false); + prepareIspComplete.emit(params.buffers, stitchSwapBuffers_); } void IpaBase::processStats(const ProcessParams ¶ms) @@ -586,6 +593,12 @@ void IpaBase::setMode(const IPACameraSensorInfo &sensorInfo) mode_.minAnalogueGain = helper_->gain(gainCtrl.min().get<int32_t>()); mode_.maxAnalogueGain = helper_->gain(gainCtrl.max().get<int32_t>()); + /* + * We need to give the helper the min/max frame durations so it can calculate + * the correct exposure limits below. + */ + helper_->setCameraMode(mode_); + /* Shutter speed is calculated based on the limits of the frame durations. */ mode_.minShutter = helper_->exposure(shutterCtrl.min().get<int32_t>(), mode_.minLineLength); mode_.maxShutter = Duration::max(); @@ -695,14 +708,18 @@ static const std::map<int32_t, RPiController::AfAlgorithm::AfPause> AfPauseTable static const std::map<int32_t, std::string> HdrModeTable = { { controls::HdrModeOff, "Off" }, + { controls::HdrModeMultiExposureUnmerged, "MultiExposureUnmerged" }, { controls::HdrModeMultiExposure, "MultiExposure" }, { controls::HdrModeSingleExposure, "SingleExposure" }, + { controls::HdrModeNight, "Night" }, }; void IpaBase::applyControls(const ControlList &controls) { using RPiController::AgcAlgorithm; using RPiController::AfAlgorithm; + using RPiController::ContrastAlgorithm; + using RPiController::DenoiseAlgorithm; using RPiController::HdrAlgorithm; /* Clear the return metadata buffer. */ @@ -1194,9 +1211,32 @@ void IpaBase::applyControls(const ControlList &controls) break; } - if (hdr->setMode(mode->second) == 0) + if (hdr->setMode(mode->second) == 0) { agc->setActiveChannels(hdr->getChannels()); - else + + /* We also disable adpative contrast enhancement if HDR is running. */ + ContrastAlgorithm *contrast = + dynamic_cast<ContrastAlgorithm *>(controller_.getAlgorithm("contrast")); + if (contrast) { + if (mode->second == "Off") + contrast->restoreCe(); + else + contrast->enableCe(false); + } + + DenoiseAlgorithm *denoise = + dynamic_cast<DenoiseAlgorithm *>(controller_.getAlgorithm("denoise")); + if (denoise) { + /* \todo - make the HDR mode say what denoise it wants? */ + if (mode->second == "Night") + denoise->setConfig("night"); + else if (mode->second == "SingleExposure") + denoise->setConfig("hdr"); + /* MultiExposure doesn't need extra extra denoise. */ + else + denoise->setConfig("normal"); + } + } else LOG(IPARPI, Warning) << "HDR mode " << mode->second << " not supported"; @@ -1354,12 +1394,31 @@ void IpaBase::reportMetadata(unsigned int ipaContext) libcameraMetadata_.set(controls::AfPauseState, p); } - const HdrStatus *hdrStatus = rpiMetadata.getLocked<HdrStatus>("hdr.status"); - if (hdrStatus) { - if (hdrStatus->channel == "short") + /* + * THe HDR algorithm sets the HDR channel into the agc.status at the time that those + * AGC parameters were calculated several frames ago, so it comes back to us now in + * the delayed_status. If this frame is too soon after a mode switch for the + * delayed_status to be available, we use the HDR status that came out of the + * switchMode call. + */ + const AgcStatus *agcStatus = rpiMetadata.getLocked<AgcStatus>("agc.delayed_status"); + const HdrStatus &hdrStatus = agcStatus ? agcStatus->hdr : hdrStatus_; + if (!hdrStatus.mode.empty() && hdrStatus.mode != "Off") { + int32_t hdrMode = controls::HdrModeOff; + for (auto const &[mode, name] : HdrModeTable) { + if (hdrStatus.mode == name) { + hdrMode = mode; + break; + } + } + libcameraMetadata_.set(controls::HdrMode, hdrMode); + + if (hdrStatus.channel == "short") libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelShort); - else if (hdrStatus->channel == "long") + else if (hdrStatus.channel == "long") libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelLong); + else if (hdrStatus.channel == "medium") + libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelMedium); else libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelNone); } diff --git a/src/ipa/rpi/common/ipa_base.h b/src/ipa/rpi/common/ipa_base.h index 4db4411e..1a811beb 100644 --- a/src/ipa/rpi/common/ipa_base.h +++ b/src/ipa/rpi/common/ipa_base.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * ipa_base.h - Raspberry Pi IPA base class + * Raspberry Pi IPA base class */ #pragma once @@ -22,6 +22,7 @@ #include "controller/agc_status.h" #include "controller/camera_mode.h" #include "controller/controller.h" +#include "controller/hdr_status.h" #include "controller/metadata.h" namespace libcamera { @@ -48,6 +49,11 @@ public: void processStats(const ProcessParams ¶ms) override; protected: + bool monoSensor() const + { + return monoSensor_; + } + /* Raspberry Pi controller specific defines. */ std::unique_ptr<RPiController::CamHelper> helper_; RPiController::Controller controller_; @@ -64,6 +70,12 @@ protected: ControlList libcameraMetadata_; bool statsMetadataOutput_; + /* Remember the HDR status after a mode switch. */ + HdrStatus hdrStatus_; + + /* Whether the stitch block (if available) needs to swap buffers. */ + bool stitchSwapBuffers_; + private: /* Number of metadata objects available in the context list. */ static constexpr unsigned int numMetadataContexts = 16; diff --git a/src/ipa/rpi/controller/af_status.h b/src/ipa/rpi/controller/af_status.h index 92c08812..c1487cc4 100644 --- a/src/ipa/rpi/controller/af_status.h +++ b/src/ipa/rpi/controller/af_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Raspberry Pi Ltd * - * af_status.h - AF control algorithm status + * AF control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/agc_algorithm.h b/src/ipa/rpi/controller/agc_algorithm.h index 534e38e2..1132de7e 100644 --- a/src/ipa/rpi/controller/agc_algorithm.h +++ b/src/ipa/rpi/controller/agc_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * agc_algorithm.h - AGC/AEC control algorithm interface + * AGC/AEC control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/agc_status.h b/src/ipa/rpi/controller/agc_status.h index 68f89958..c7c87b83 100644 --- a/src/ipa/rpi/controller/agc_status.h +++ b/src/ipa/rpi/controller/agc_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * agc_status.h - AGC/AEC control algorithm status + * AGC/AEC control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/algorithm.cpp b/src/ipa/rpi/controller/algorithm.cpp index a957fde5..beed47a1 100644 --- a/src/ipa/rpi/controller/algorithm.cpp +++ b/src/ipa/rpi/controller/algorithm.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * algorithm.cpp - ISP control algorithms + * ISP control algorithms */ #include "algorithm.h" diff --git a/src/ipa/rpi/controller/algorithm.h b/src/ipa/rpi/controller/algorithm.h index 4aa814eb..1971bfdc 100644 --- a/src/ipa/rpi/controller/algorithm.h +++ b/src/ipa/rpi/controller/algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * algorithm.h - ISP control algorithm interface + * ISP control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/alsc_status.h b/src/ipa/rpi/controller/alsc_status.h index 49a9f4a0..329e8a37 100644 --- a/src/ipa/rpi/controller/alsc_status.h +++ b/src/ipa/rpi/controller/alsc_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * alsc_status.h - ALSC (auto lens shading correction) control algorithm status + * ALSC (auto lens shading correction) control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/awb_algorithm.h b/src/ipa/rpi/controller/awb_algorithm.h index 6009bdac..1779b050 100644 --- a/src/ipa/rpi/controller/awb_algorithm.h +++ b/src/ipa/rpi/controller/awb_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * awb_algorithm.h - AWB control algorithm interface + * AWB control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/awb_status.h b/src/ipa/rpi/controller/awb_status.h index dd5a79e3..125df1a0 100644 --- a/src/ipa/rpi/controller/awb_status.h +++ b/src/ipa/rpi/controller/awb_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * awb_status.h - AWB control algorithm status + * AWB control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/black_level_algorithm.h b/src/ipa/rpi/controller/black_level_algorithm.h index c2cff2f5..ce044e59 100644 --- a/src/ipa/rpi/controller/black_level_algorithm.h +++ b/src/ipa/rpi/controller/black_level_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * black_level_algorithm.h - black level control algorithm interface + * black level control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/black_level_status.h b/src/ipa/rpi/controller/black_level_status.h index fd5e4ccb..57a0705a 100644 --- a/src/ipa/rpi/controller/black_level_status.h +++ b/src/ipa/rpi/controller/black_level_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * black_level_status.h - black level control algorithm status + * black level control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/cac_status.h b/src/ipa/rpi/controller/cac_status.h index 475d4c5c..adffce41 100644 --- a/src/ipa/rpi/controller/cac_status.h +++ b/src/ipa/rpi/controller/cac_status.h @@ -6,8 +6,6 @@ */ #pragma once -#include "pwl.h" - struct CacStatus { std::vector<double> lutRx; std::vector<double> lutRy; diff --git a/src/ipa/rpi/controller/camera_mode.h b/src/ipa/rpi/controller/camera_mode.h index 63b11778..4fdb5b85 100644 --- a/src/ipa/rpi/controller/camera_mode.h +++ b/src/ipa/rpi/controller/camera_mode.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2020, Raspberry Pi Ltd * - * camera_mode.h - description of a particular operating mode of a sensor + * description of a particular operating mode of a sensor */ #pragma once diff --git a/src/ipa/rpi/controller/ccm_algorithm.h b/src/ipa/rpi/controller/ccm_algorithm.h index e2c4d771..6678ba75 100644 --- a/src/ipa/rpi/controller/ccm_algorithm.h +++ b/src/ipa/rpi/controller/ccm_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * ccm_algorithm.h - CCM (colour correction matrix) control algorithm interface + * CCM (colour correction matrix) control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/ccm_status.h b/src/ipa/rpi/controller/ccm_status.h index 5e28ee7c..c81bcd42 100644 --- a/src/ipa/rpi/controller/ccm_status.h +++ b/src/ipa/rpi/controller/ccm_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * ccm_status.h - CCM (colour correction matrix) control algorithm status + * CCM (colour correction matrix) control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/contrast_algorithm.h b/src/ipa/rpi/controller/contrast_algorithm.h index 895b36b0..2e983350 100644 --- a/src/ipa/rpi/controller/contrast_algorithm.h +++ b/src/ipa/rpi/controller/contrast_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * contrast_algorithm.h - contrast (gamma) control algorithm interface + * contrast (gamma) control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/contrast_status.h b/src/ipa/rpi/controller/contrast_status.h index fb9fe4ba..1f175872 100644 --- a/src/ipa/rpi/controller/contrast_status.h +++ b/src/ipa/rpi/controller/contrast_status.h @@ -2,11 +2,11 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * contrast_status.h - contrast (gamma) control algorithm status + * contrast (gamma) control algorithm status */ #pragma once -#include "pwl.h" +#include "libipa/pwl.h" /* * The "contrast" algorithm creates a gamma curve, optionally doing a little bit @@ -14,7 +14,7 @@ */ struct ContrastStatus { - RPiController::Pwl gammaCurve; + libcamera::ipa::Pwl gammaCurve; double brightness; double contrast; }; diff --git a/src/ipa/rpi/controller/controller.cpp b/src/ipa/rpi/controller/controller.cpp index 5ca98b98..e0131018 100644 --- a/src/ipa/rpi/controller/controller.cpp +++ b/src/ipa/rpi/controller/controller.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * controller.cpp - ISP controller + * ISP controller */ #include <assert.h> diff --git a/src/ipa/rpi/controller/controller.h b/src/ipa/rpi/controller/controller.h index 170aea74..eff520bd 100644 --- a/src/ipa/rpi/controller/controller.h +++ b/src/ipa/rpi/controller/controller.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * controller.h - ISP controller interface + * ISP controller interface */ #pragma once diff --git a/src/ipa/rpi/controller/denoise_algorithm.h b/src/ipa/rpi/controller/denoise_algorithm.h index 444cbc25..b9a2a33c 100644 --- a/src/ipa/rpi/controller/denoise_algorithm.h +++ b/src/ipa/rpi/controller/denoise_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Raspberry Pi Ltd * - * denoise.h - Denoise control algorithm interface + * Denoise control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/denoise_status.h b/src/ipa/rpi/controller/denoise_status.h index 4d2bd291..eead6086 100644 --- a/src/ipa/rpi/controller/denoise_status.h +++ b/src/ipa/rpi/controller/denoise_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * denoise_status.h - Denoise control algorithm status + * Denoise control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/device_status.cpp b/src/ipa/rpi/controller/device_status.cpp index c907efdd..68100137 100644 --- a/src/ipa/rpi/controller/device_status.cpp +++ b/src/ipa/rpi/controller/device_status.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Raspberry Pi Ltd * - * device_status.cpp - device (image sensor) status + * device (image sensor) status */ #include "device_status.h" diff --git a/src/ipa/rpi/controller/device_status.h b/src/ipa/rpi/controller/device_status.h index c45db749..518f15b5 100644 --- a/src/ipa/rpi/controller/device_status.h +++ b/src/ipa/rpi/controller/device_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * device_status.h - device (image sensor) status + * device (image sensor) status */ #pragma once diff --git a/src/ipa/rpi/controller/dpc_status.h b/src/ipa/rpi/controller/dpc_status.h index 46d0cf34..9f30d5d9 100644 --- a/src/ipa/rpi/controller/dpc_status.h +++ b/src/ipa/rpi/controller/dpc_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * dpc_status.h - DPC (defective pixel correction) control algorithm status + * DPC (defective pixel correction) control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/geq_status.h b/src/ipa/rpi/controller/geq_status.h index 2d749fc9..cb107a48 100644 --- a/src/ipa/rpi/controller/geq_status.h +++ b/src/ipa/rpi/controller/geq_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * geq_status.h - GEQ (green equalisation) control algorithm status + * GEQ (green equalisation) control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/hdr_algorithm.h b/src/ipa/rpi/controller/hdr_algorithm.h index f622e099..b889d8fd 100644 --- a/src/ipa/rpi/controller/hdr_algorithm.h +++ b/src/ipa/rpi/controller/hdr_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * hdr_algorithm.h - HDR control algorithm interface + * HDR control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/hdr_status.h b/src/ipa/rpi/controller/hdr_status.h index 24b1a935..a4955778 100644 --- a/src/ipa/rpi/controller/hdr_status.h +++ b/src/ipa/rpi/controller/hdr_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023 Raspberry Pi Ltd * - * hdr_status.h - HDR control algorithm status + * HDR control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/histogram.cpp b/src/ipa/rpi/controller/histogram.cpp index 78116141..ba5b25dd 100644 --- a/src/ipa/rpi/controller/histogram.cpp +++ b/src/ipa/rpi/controller/histogram.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * histogram.cpp - histogram calculations + * histogram calculations */ #include <math.h> #include <stdio.h> diff --git a/src/ipa/rpi/controller/histogram.h b/src/ipa/rpi/controller/histogram.h index e2c5509b..ab4e5e31 100644 --- a/src/ipa/rpi/controller/histogram.h +++ b/src/ipa/rpi/controller/histogram.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * histogram.h - histogram calculation interface + * histogram calculation interface */ #pragma once diff --git a/src/ipa/rpi/controller/lux_status.h b/src/ipa/rpi/controller/lux_status.h index 5eb9faac..d8729f43 100644 --- a/src/ipa/rpi/controller/lux_status.h +++ b/src/ipa/rpi/controller/lux_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * lux_status.h - Lux control algorithm status + * Lux control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/meson.build b/src/ipa/rpi/controller/meson.build index 32a4d31c..74b74888 100644 --- a/src/ipa/rpi/controller/meson.build +++ b/src/ipa/rpi/controller/meson.build @@ -5,7 +5,6 @@ rpi_ipa_controller_sources = files([ 'controller.cpp', 'device_status.cpp', 'histogram.cpp', - 'pwl.cpp', 'rpi/af.cpp', 'rpi/agc.cpp', 'rpi/agc_channel.cpp', @@ -32,4 +31,5 @@ rpi_ipa_controller_deps = [ ] rpi_ipa_controller_lib = static_library('rpi_ipa_controller', rpi_ipa_controller_sources, + include_directories : libipa_includes, dependencies : rpi_ipa_controller_deps) diff --git a/src/ipa/rpi/controller/metadata.h b/src/ipa/rpi/controller/metadata.h index a232dcb1..b4650d25 100644 --- a/src/ipa/rpi/controller/metadata.h +++ b/src/ipa/rpi/controller/metadata.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * metadata.h - general metadata class + * general metadata class */ #pragma once diff --git a/src/ipa/rpi/controller/noise_status.h b/src/ipa/rpi/controller/noise_status.h index da194f71..1919da32 100644 --- a/src/ipa/rpi/controller/noise_status.h +++ b/src/ipa/rpi/controller/noise_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * noise_status.h - Noise control algorithm status + * Noise control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/pdaf_data.h b/src/ipa/rpi/controller/pdaf_data.h index 470510f2..779b987d 100644 --- a/src/ipa/rpi/controller/pdaf_data.h +++ b/src/ipa/rpi/controller/pdaf_data.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Raspberry Pi Ltd * - * pdaf_data.h - PDAF Metadata + * PDAF Metadata */ #pragma once diff --git a/src/ipa/rpi/controller/pwl.cpp b/src/ipa/rpi/controller/pwl.cpp deleted file mode 100644 index 70c2e24b..00000000 --- a/src/ipa/rpi/controller/pwl.cpp +++ /dev/null @@ -1,269 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ -/* - * Copyright (C) 2019, Raspberry Pi Ltd - * - * pwl.cpp - piecewise linear functions - */ - -#include <cassert> -#include <cmath> -#include <stdexcept> - -#include "pwl.h" - -using namespace RPiController; - -int Pwl::read(const libcamera::YamlObject ¶ms) -{ - if (!params.size() || params.size() % 2) - return -EINVAL; - - const auto &list = params.asList(); - - for (auto it = list.begin(); it != list.end(); it++) { - auto x = it->get<double>(); - if (!x) - return -EINVAL; - if (it != list.begin() && *x <= points_.back().x) - return -EINVAL; - - auto y = (++it)->get<double>(); - if (!y) - return -EINVAL; - - points_.push_back(Point(*x, *y)); - } - - return 0; -} - -void Pwl::append(double x, double y, const double eps) -{ - if (points_.empty() || points_.back().x + eps < x) - points_.push_back(Point(x, y)); -} - -void Pwl::prepend(double x, double y, const double eps) -{ - if (points_.empty() || points_.front().x - eps > x) - points_.insert(points_.begin(), Point(x, y)); -} - -Pwl::Interval Pwl::domain() const -{ - return Interval(points_[0].x, points_[points_.size() - 1].x); -} - -Pwl::Interval Pwl::range() const -{ - double lo = points_[0].y, hi = lo; - for (auto &p : points_) - lo = std::min(lo, p.y), hi = std::max(hi, p.y); - return Interval(lo, hi); -} - -bool Pwl::empty() const -{ - return points_.empty(); -} - -double Pwl::eval(double x, int *spanPtr, bool updateSpan) const -{ - int span = findSpan(x, spanPtr && *spanPtr != -1 ? *spanPtr : points_.size() / 2 - 1); - if (spanPtr && updateSpan) - *spanPtr = span; - return points_[span].y + - (x - points_[span].x) * (points_[span + 1].y - points_[span].y) / - (points_[span + 1].x - points_[span].x); -} - -int Pwl::findSpan(double x, int span) const -{ - /* - * Pwls are generally small, so linear search may well be faster than - * binary, though could review this if large PWls start turning up. - */ - int lastSpan = points_.size() - 2; - /* - * some algorithms may call us with span pointing directly at the last - * control point - */ - span = std::max(0, std::min(lastSpan, span)); - while (span < lastSpan && x >= points_[span + 1].x) - span++; - while (span && x < points_[span].x) - span--; - return span; -} - -Pwl::PerpType Pwl::invert(Point const &xy, Point &perp, int &span, - const double eps) const -{ - assert(span >= -1); - bool prevOffEnd = false; - for (span = span + 1; span < (int)points_.size() - 1; span++) { - Point spanVec = points_[span + 1] - points_[span]; - double t = ((xy - points_[span]) % spanVec) / spanVec.len2(); - if (t < -eps) /* off the start of this span */ - { - if (span == 0) { - perp = points_[span]; - return PerpType::Start; - } else if (prevOffEnd) { - perp = points_[span]; - return PerpType::Vertex; - } - } else if (t > 1 + eps) /* off the end of this span */ - { - if (span == (int)points_.size() - 2) { - perp = points_[span + 1]; - return PerpType::End; - } - prevOffEnd = true; - } else /* a true perpendicular */ - { - perp = points_[span] + spanVec * t; - return PerpType::Perpendicular; - } - } - return PerpType::None; -} - -Pwl Pwl::inverse(bool *trueInverse, const double eps) const -{ - bool appended = false, prepended = false, neither = false; - Pwl inverse; - - for (Point const &p : points_) { - if (inverse.empty()) - inverse.append(p.y, p.x, eps); - else if (std::abs(inverse.points_.back().x - p.y) <= eps || - std::abs(inverse.points_.front().x - p.y) <= eps) - /* do nothing */; - else if (p.y > inverse.points_.back().x) { - inverse.append(p.y, p.x, eps); - appended = true; - } else if (p.y < inverse.points_.front().x) { - inverse.prepend(p.y, p.x, eps); - prepended = true; - } else - neither = true; - } - - /* - * This is not a proper inverse if we found ourselves putting points - * onto both ends of the inverse, or if there were points that couldn't - * go on either. - */ - if (trueInverse) - *trueInverse = !(neither || (appended && prepended)); - - return inverse; -} - -Pwl Pwl::compose(Pwl const &other, const double eps) const -{ - double thisX = points_[0].x, thisY = points_[0].y; - int thisSpan = 0, otherSpan = other.findSpan(thisY, 0); - Pwl result({ { thisX, other.eval(thisY, &otherSpan, false) } }); - while (thisSpan != (int)points_.size() - 1) { - double dx = points_[thisSpan + 1].x - points_[thisSpan].x, - dy = points_[thisSpan + 1].y - points_[thisSpan].y; - if (std::abs(dy) > eps && - otherSpan + 1 < (int)other.points_.size() && - points_[thisSpan + 1].y >= - other.points_[otherSpan + 1].x + eps) { - /* - * next control point in result will be where this - * function's y reaches the next span in other - */ - thisX = points_[thisSpan].x + - (other.points_[otherSpan + 1].x - - points_[thisSpan].y) * - dx / dy; - thisY = other.points_[++otherSpan].x; - } else if (std::abs(dy) > eps && otherSpan > 0 && - points_[thisSpan + 1].y <= - other.points_[otherSpan - 1].x - eps) { - /* - * next control point in result will be where this - * function's y reaches the previous span in other - */ - thisX = points_[thisSpan].x + - (other.points_[otherSpan + 1].x - - points_[thisSpan].y) * - dx / dy; - thisY = other.points_[--otherSpan].x; - } else { - /* we stay in the same span in other */ - thisSpan++; - thisX = points_[thisSpan].x, - thisY = points_[thisSpan].y; - } - result.append(thisX, other.eval(thisY, &otherSpan, false), - eps); - } - return result; -} - -void Pwl::map(std::function<void(double x, double y)> f) const -{ - for (auto &pt : points_) - f(pt.x, pt.y); -} - -void Pwl::map2(Pwl const &pwl0, Pwl const &pwl1, - std::function<void(double x, double y0, double y1)> f) -{ - int span0 = 0, span1 = 0; - double x = std::min(pwl0.points_[0].x, pwl1.points_[0].x); - f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false)); - while (span0 < (int)pwl0.points_.size() - 1 || - span1 < (int)pwl1.points_.size() - 1) { - if (span0 == (int)pwl0.points_.size() - 1) - x = pwl1.points_[++span1].x; - else if (span1 == (int)pwl1.points_.size() - 1) - x = pwl0.points_[++span0].x; - else if (pwl0.points_[span0 + 1].x > pwl1.points_[span1 + 1].x) - x = pwl1.points_[++span1].x; - else - x = pwl0.points_[++span0].x; - f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false)); - } -} - -Pwl Pwl::combine(Pwl const &pwl0, Pwl const &pwl1, - std::function<double(double x, double y0, double y1)> f, - const double eps) -{ - Pwl result; - map2(pwl0, pwl1, [&](double x, double y0, double y1) { - result.append(x, f(x, y0, y1), eps); - }); - return result; -} - -void Pwl::matchDomain(Interval const &domain, bool clip, const double eps) -{ - int span = 0; - prepend(domain.start, eval(clip ? points_[0].x : domain.start, &span), - eps); - span = points_.size() - 2; - append(domain.end, eval(clip ? points_.back().x : domain.end, &span), - eps); -} - -Pwl &Pwl::operator*=(double d) -{ - for (auto &pt : points_) - pt.y *= d; - return *this; -} - -void Pwl::debug(FILE *fp) const -{ - fprintf(fp, "Pwl {\n"); - for (auto &p : points_) - fprintf(fp, "\t(%g, %g)\n", p.x, p.y); - fprintf(fp, "}\n"); -} diff --git a/src/ipa/rpi/controller/pwl.h b/src/ipa/rpi/controller/pwl.h deleted file mode 100644 index aacf6039..00000000 --- a/src/ipa/rpi/controller/pwl.h +++ /dev/null @@ -1,127 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ -/* - * Copyright (C) 2019, Raspberry Pi Ltd - * - * pwl.h - piecewise linear functions interface - */ -#pragma once - -#include <functional> -#include <math.h> -#include <vector> - -#include "libcamera/internal/yaml_parser.h" - -namespace RPiController { - -class Pwl -{ -public: - struct Interval { - Interval(double _start, double _end) - : start(_start), end(_end) - { - } - double start, end; - bool contains(double value) - { - return value >= start && value <= end; - } - double clip(double value) - { - return value < start ? start - : (value > end ? end : value); - } - double len() const { return end - start; } - }; - struct Point { - Point() : x(0), y(0) {} - Point(double _x, double _y) - : x(_x), y(_y) {} - double x, y; - Point operator-(Point const &p) const - { - return Point(x - p.x, y - p.y); - } - Point operator+(Point const &p) const - { - return Point(x + p.x, y + p.y); - } - double operator%(Point const &p) const - { - return x * p.x + y * p.y; - } - Point operator*(double f) const { return Point(x * f, y * f); } - Point operator/(double f) const { return Point(x / f, y / f); } - double len2() const { return x * x + y * y; } - double len() const { return sqrt(len2()); } - }; - Pwl() {} - Pwl(std::vector<Point> const &points) : points_(points) {} - int read(const libcamera::YamlObject ¶ms); - void append(double x, double y, const double eps = 1e-6); - void prepend(double x, double y, const double eps = 1e-6); - Interval domain() const; - Interval range() const; - bool empty() const; - /* - * Evaluate Pwl, optionally supplying an initial guess for the - * "span". The "span" may be optionally be updated. If you want to know - * the "span" value but don't have an initial guess you can set it to - * -1. - */ - double eval(double x, int *spanPtr = nullptr, - bool updateSpan = true) const; - /* - * Find perpendicular closest to xy, starting from span+1 so you can - * call it repeatedly to check for multiple closest points (set span to - * -1 on the first call). Also returns "pseudo" perpendiculars; see - * PerpType enum. - */ - enum class PerpType { - None, /* no perpendicular found */ - Start, /* start of Pwl is closest point */ - End, /* end of Pwl is closest point */ - Vertex, /* vertex of Pwl is closest point */ - Perpendicular /* true perpendicular found */ - }; - PerpType invert(Point const &xy, Point &perp, int &span, - const double eps = 1e-6) const; - /* - * Compute the inverse function. Indicate if it is a proper (true) - * inverse, or only a best effort (e.g. input was non-monotonic). - */ - Pwl inverse(bool *trueInverse = nullptr, const double eps = 1e-6) const; - /* Compose two Pwls together, doing "this" first and "other" after. */ - Pwl compose(Pwl const &other, const double eps = 1e-6) const; - /* Apply function to (x,y) values at every control point. */ - void map(std::function<void(double x, double y)> f) const; - /* - * Apply function to (x, y0, y1) values wherever either Pwl has a - * control point. - */ - static void map2(Pwl const &pwl0, Pwl const &pwl1, - std::function<void(double x, double y0, double y1)> f); - /* - * Combine two Pwls, meaning we create a new Pwl where the y values are - * given by running f wherever either has a knot. - */ - static Pwl - combine(Pwl const &pwl0, Pwl const &pwl1, - std::function<double(double x, double y0, double y1)> f, - const double eps = 1e-6); - /* - * Make "this" match (at least) the given domain. Any extension my be - * clipped or linear. - */ - void matchDomain(Interval const &domain, bool clip = true, - const double eps = 1e-6); - Pwl &operator*=(double d); - void debug(FILE *fp = stdout) const; - -private: - int findSpan(double x, int span) const; - std::vector<Point> points_; -}; - -} /* namespace RPiController */ diff --git a/src/ipa/rpi/controller/region_stats.h b/src/ipa/rpi/controller/region_stats.h index a8860dc8..c60f7d9a 100644 --- a/src/ipa/rpi/controller/region_stats.h +++ b/src/ipa/rpi/controller/region_stats.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Raspberry Pi Ltd * - * region_stats.h - Raspberry Pi region based statistics container + * Raspberry Pi region based statistics container */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/af.cpp b/src/ipa/rpi/controller/rpi/af.cpp index ed0c8a94..304629d6 100644 --- a/src/ipa/rpi/controller/rpi/af.cpp +++ b/src/ipa/rpi/controller/rpi/af.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022-2023, Raspberry Pi Ltd * - * af.cpp - Autofocus control algorithm + * Autofocus control algorithm */ #include "af.h" @@ -139,7 +139,7 @@ int Af::CfgParams::read(const libcamera::YamlObject ¶ms) readNumber<uint32_t>(skipFrames, params, "skip_frames"); if (params.contains("map")) - map.read(params["map"]); + map.readYaml(params["map"]); else LOG(RPiAf, Warning) << "No map defined"; @@ -721,7 +721,7 @@ bool Af::setLensPosition(double dioptres, int *hwpos) if (mode_ == AfModeManual) { LOG(RPiAf, Debug) << "setLensPosition: " << dioptres; - ftarget_ = cfg_.map.domain().clip(dioptres); + ftarget_ = cfg_.map.domain().clamp(dioptres); changed = !(initted_ && fsmooth_ == ftarget_); updateLensPosition(); } diff --git a/src/ipa/rpi/controller/rpi/af.h b/src/ipa/rpi/controller/rpi/af.h index 6d2bae67..317a51f3 100644 --- a/src/ipa/rpi/controller/rpi/af.h +++ b/src/ipa/rpi/controller/rpi/af.h @@ -2,14 +2,15 @@ /* * Copyright (C) 2022-2023, Raspberry Pi Ltd * - * af.h - Autofocus control algorithm + * Autofocus control algorithm */ #pragma once #include "../af_algorithm.h" #include "../af_status.h" #include "../pdaf_data.h" -#include "../pwl.h" + +#include "libipa/pwl.h" /* * This algorithm implements a hybrid of CDAF and PDAF, favouring PDAF. @@ -100,7 +101,7 @@ private: uint32_t confThresh; /* PDAF confidence cell min (sensor-specific) */ uint32_t confClip; /* PDAF confidence cell max (sensor-specific) */ uint32_t skipFrames; /* frames to skip at start or modeswitch */ - Pwl map; /* converts dioptres -> lens driver position */ + libcamera::ipa::Pwl map; /* converts dioptres -> lens driver position */ CfgParams(); int read(const libcamera::YamlObject ¶ms); diff --git a/src/ipa/rpi/controller/rpi/agc.cpp b/src/ipa/rpi/controller/rpi/agc.cpp index 6549dedd..fcf7aec9 100644 --- a/src/ipa/rpi/controller/rpi/agc.cpp +++ b/src/ipa/rpi/controller/rpi/agc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * agc.cpp - AGC/AEC control algorithm + * AGC/AEC control algorithm */ #include "agc.h" diff --git a/src/ipa/rpi/controller/rpi/agc.h b/src/ipa/rpi/controller/rpi/agc.h index 7d26bdf6..5d056f02 100644 --- a/src/ipa/rpi/controller/rpi/agc.h +++ b/src/ipa/rpi/controller/rpi/agc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * agc.h - AGC/AEC control algorithm + * AGC/AEC control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/agc_channel.cpp b/src/ipa/rpi/controller/rpi/agc_channel.cpp index 8116c6c1..a381dd97 100644 --- a/src/ipa/rpi/controller/rpi/agc_channel.cpp +++ b/src/ipa/rpi/controller/rpi/agc_channel.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * agc_channel.cpp - AGC/AEC control algorithm + * AGC/AEC control algorithm */ #include "agc_channel.h" @@ -130,7 +130,7 @@ int AgcConstraint::read(const libcamera::YamlObject ¶ms) return -EINVAL; qHi = *value; - return yTarget.read(params["y_target"]); + return yTarget.readYaml(params["y_target"]); } static std::tuple<int, AgcConstraintMode> @@ -237,7 +237,7 @@ int AgcConfig::read(const libcamera::YamlObject ¶ms) return ret; } - ret = yTarget.read(params["y_target"]); + ret = yTarget.readYaml(params["y_target"]); if (ret) return ret; @@ -715,7 +715,7 @@ static constexpr double EvGainYTargetLimit = 0.9; static double constraintComputeGain(AgcConstraint &c, const Histogram &h, double lux, double evGain, double &targetY) { - targetY = c.yTarget.eval(c.yTarget.domain().clip(lux)); + targetY = c.yTarget.eval(c.yTarget.domain().clamp(lux)); targetY = std::min(EvGainYTargetLimit, targetY * evGain); double iqm = h.interQuantileMean(c.qLo, c.qHi); return (targetY * h.bins()) / iqm; @@ -734,7 +734,7 @@ void AgcChannel::computeGain(StatisticsPtr &statistics, Metadata *imageMetadata, * The initial gain and target_Y come from some of the regions. After * that we consider the histogram constraints. */ - targetY = config_.yTarget.eval(config_.yTarget.domain().clip(lux.lux)); + targetY = config_.yTarget.eval(config_.yTarget.domain().clamp(lux.lux)); targetY = std::min(EvGainYTargetLimit, targetY * evGain); /* diff --git a/src/ipa/rpi/controller/rpi/agc_channel.h b/src/ipa/rpi/controller/rpi/agc_channel.h index 4cf7233e..58368889 100644 --- a/src/ipa/rpi/controller/rpi/agc_channel.h +++ b/src/ipa/rpi/controller/rpi/agc_channel.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * agc_channel.h - AGC/AEC control algorithm + * AGC/AEC control algorithm */ #pragma once @@ -12,10 +12,11 @@ #include <libcamera/base/utils.h> +#include <libipa/pwl.h> + #include "../agc_status.h" #include "../awb_status.h" #include "../controller.h" -#include "../pwl.h" /* This is our implementation of AGC. */ @@ -40,7 +41,7 @@ struct AgcConstraint { Bound bound; double qLo; double qHi; - Pwl yTarget; + libcamera::ipa::Pwl yTarget; int read(const libcamera::YamlObject ¶ms); }; @@ -61,7 +62,7 @@ struct AgcConfig { std::map<std::string, AgcExposureMode> exposureModes; std::map<std::string, AgcConstraintMode> constraintModes; std::vector<AgcChannelConstraint> channelConstraints; - Pwl yTarget; + libcamera::ipa::Pwl yTarget; double speed; uint16_t startupFrames; unsigned int convergenceFrames; diff --git a/src/ipa/rpi/controller/rpi/alsc.cpp b/src/ipa/rpi/controller/rpi/alsc.cpp index 8a205c60..67029fc3 100644 --- a/src/ipa/rpi/controller/rpi/alsc.cpp +++ b/src/ipa/rpi/controller/rpi/alsc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * alsc.cpp - ALSC (auto lens shading correction) control algorithm + * ALSC (auto lens shading correction) control algorithm */ #include <algorithm> diff --git a/src/ipa/rpi/controller/rpi/alsc.h b/src/ipa/rpi/controller/rpi/alsc.h index 0b6d9478..31087982 100644 --- a/src/ipa/rpi/controller/rpi/alsc.h +++ b/src/ipa/rpi/controller/rpi/alsc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * alsc.h - ALSC (auto lens shading correction) control algorithm + * ALSC (auto lens shading correction) control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/awb.cpp b/src/ipa/rpi/controller/rpi/awb.cpp index dde5785a..603953d7 100644 --- a/src/ipa/rpi/controller/rpi/awb.cpp +++ b/src/ipa/rpi/controller/rpi/awb.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * awb.cpp - AWB control algorithm + * AWB control algorithm */ #include <assert.h> @@ -49,10 +49,10 @@ int AwbPrior::read(const libcamera::YamlObject ¶ms) return -EINVAL; lux = *value; - return prior.read(params["prior"]); + return prior.readYaml(params["prior"]); } -static int readCtCurve(Pwl &ctR, Pwl &ctB, const libcamera::YamlObject ¶ms) +static int readCtCurve(ipa::Pwl &ctR, ipa::Pwl &ctB, const libcamera::YamlObject ¶ms) { if (params.size() % 3) { LOG(RPiAwb, Error) << "AwbConfig: incomplete CT curve entry"; @@ -103,8 +103,8 @@ int AwbConfig::read(const libcamera::YamlObject ¶ms) if (ret) return ret; /* We will want the inverse functions of these too. */ - ctRInverse = ctR.inverse(); - ctBInverse = ctB.inverse(); + ctRInverse = ctR.inverse().first; + ctBInverse = ctB.inverse().first; } if (params.contains("priors")) { @@ -207,7 +207,7 @@ void Awb::initialise() * them. */ if (!config_.ctR.empty() && !config_.ctB.empty()) { - syncResults_.temperatureK = config_.ctR.domain().clip(4000); + syncResults_.temperatureK = config_.ctR.domain().clamp(4000); syncResults_.gainR = 1.0 / config_.ctR.eval(syncResults_.temperatureK); syncResults_.gainG = 1.0; syncResults_.gainB = 1.0 / config_.ctB.eval(syncResults_.temperatureK); @@ -273,8 +273,8 @@ void Awb::setManualGains(double manualR, double manualB) syncResults_.gainB = prevSyncResults_.gainB = manualB_; if (config_.bayes) { /* Also estimate the best corresponding colour temperature from the curves. */ - double ctR = config_.ctRInverse.eval(config_.ctRInverse.domain().clip(1 / manualR_)); - double ctB = config_.ctBInverse.eval(config_.ctBInverse.domain().clip(1 / manualB_)); + double ctR = config_.ctRInverse.eval(config_.ctRInverse.domain().clamp(1 / manualR_)); + double ctB = config_.ctBInverse.eval(config_.ctBInverse.domain().clamp(1 / manualB_)); prevSyncResults_.temperatureK = (ctR + ctB) / 2; syncResults_.temperatureK = prevSyncResults_.temperatureK; } @@ -468,7 +468,7 @@ double Awb::computeDelta2Sum(double gainR, double gainB) return delta2Sum; } -Pwl Awb::interpolatePrior() +ipa::Pwl Awb::interpolatePrior() { /* * Interpolate the prior log likelihood function for our current lux @@ -485,7 +485,7 @@ Pwl Awb::interpolatePrior() idx++; double lux0 = config_.priors[idx].lux, lux1 = config_.priors[idx + 1].lux; - return Pwl::combine(config_.priors[idx].prior, + return ipa::Pwl::combine(config_.priors[idx].prior, config_.priors[idx + 1].prior, [&](double /*x*/, double y0, double y1) { return y0 + (y1 - y0) * @@ -494,26 +494,26 @@ Pwl Awb::interpolatePrior() } } -static double interpolateQuadatric(Pwl::Point const &a, Pwl::Point const &b, - Pwl::Point const &c) +static double interpolateQuadatric(ipa::Pwl::Point const &a, ipa::Pwl::Point const &b, + ipa::Pwl::Point const &c) { /* * Given 3 points on a curve, find the extremum of the function in that * interval by fitting a quadratic. */ const double eps = 1e-3; - Pwl::Point ca = c - a, ba = b - a; - double denominator = 2 * (ba.y * ca.x - ca.y * ba.x); + ipa::Pwl::Point ca = c - a, ba = b - a; + double denominator = 2 * (ba.y() * ca.x() - ca.y() * ba.x()); if (abs(denominator) > eps) { - double numerator = ba.y * ca.x * ca.x - ca.y * ba.x * ba.x; - double result = numerator / denominator + a.x; - return std::max(a.x, std::min(c.x, result)); + double numerator = ba.y() * ca.x() * ca.x() - ca.y() * ba.x() * ba.x(); + double result = numerator / denominator + a.x(); + return std::max(a.x(), std::min(c.x(), result)); } /* has degenerated to straight line segment */ - return a.y < c.y - eps ? a.x : (c.y < a.y - eps ? c.x : b.x); + return a.y() < c.y() - eps ? a.x() : (c.y() < a.y() - eps ? c.x() : b.x()); } -double Awb::coarseSearch(Pwl const &prior) +double Awb::coarseSearch(ipa::Pwl const &prior) { points_.clear(); /* assume doesn't deallocate memory */ size_t bestPoint = 0; @@ -525,22 +525,22 @@ double Awb::coarseSearch(Pwl const &prior) double b = config_.ctB.eval(t, &spanB); double gainR = 1 / r, gainB = 1 / b; double delta2Sum = computeDelta2Sum(gainR, gainB); - double priorLogLikelihood = prior.eval(prior.domain().clip(t)); + double priorLogLikelihood = prior.eval(prior.domain().clamp(t)); double finalLogLikelihood = delta2Sum - priorLogLikelihood; LOG(RPiAwb, Debug) << "t: " << t << " gain R " << gainR << " gain B " << gainB << " delta2_sum " << delta2Sum << " prior " << priorLogLikelihood << " final " << finalLogLikelihood; - points_.push_back(Pwl::Point(t, finalLogLikelihood)); - if (points_.back().y < points_[bestPoint].y) + points_.push_back(ipa::Pwl::Point({ t, finalLogLikelihood })); + if (points_.back().y() < points_[bestPoint].y()) bestPoint = points_.size() - 1; if (t == mode_->ctHi) break; /* for even steps along the r/b curve scale them by the current t */ t = std::min(t + t / 10 * config_.coarseStep, mode_->ctHi); } - t = points_[bestPoint].x; + t = points_[bestPoint].x(); LOG(RPiAwb, Debug) << "Coarse search found CT " << t; /* * We have the best point of the search, but refine it with a quadratic @@ -559,7 +559,7 @@ double Awb::coarseSearch(Pwl const &prior) return t; } -void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior) +void Awb::fineSearch(double &t, double &r, double &b, ipa::Pwl const &prior) { int spanR = -1, spanB = -1; config_.ctR.eval(t, &spanR); @@ -570,14 +570,14 @@ void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior) config_.ctR.eval(t - nsteps * step, &spanR); double bDiff = config_.ctB.eval(t + nsteps * step, &spanB) - config_.ctB.eval(t - nsteps * step, &spanB); - Pwl::Point transverse(bDiff, -rDiff); - if (transverse.len2() < 1e-6) + ipa::Pwl::Point transverse({ bDiff, -rDiff }); + if (transverse.length2() < 1e-6) return; /* * unit vector orthogonal to the b vs. r function (pointing outwards * with r and b increasing) */ - transverse = transverse / transverse.len(); + transverse = transverse / transverse.length(); double bestLogLikelihood = 0, bestT = 0, bestR = 0, bestB = 0; double transverseRange = config_.transverseNeg + config_.transversePos; const int maxNumDeltas = 12; @@ -592,26 +592,26 @@ void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior) for (int i = -nsteps; i <= nsteps; i++) { double tTest = t + i * step; double priorLogLikelihood = - prior.eval(prior.domain().clip(tTest)); + prior.eval(prior.domain().clamp(tTest)); double rCurve = config_.ctR.eval(tTest, &spanR); double bCurve = config_.ctB.eval(tTest, &spanB); /* x will be distance off the curve, y the log likelihood there */ - Pwl::Point points[maxNumDeltas]; + ipa::Pwl::Point points[maxNumDeltas]; int bestPoint = 0; /* Take some measurements transversely *off* the CT curve. */ for (int j = 0; j < numDeltas; j++) { - points[j].x = -config_.transverseNeg + - (transverseRange * j) / (numDeltas - 1); - Pwl::Point rbTest = Pwl::Point(rCurve, bCurve) + - transverse * points[j].x; - double rTest = rbTest.x, bTest = rbTest.y; + points[j][0] = -config_.transverseNeg + + (transverseRange * j) / (numDeltas - 1); + ipa::Pwl::Point rbTest = ipa::Pwl::Point({ rCurve, bCurve }) + + transverse * points[j].x(); + double rTest = rbTest.x(), bTest = rbTest.y(); double gainR = 1 / rTest, gainB = 1 / bTest; double delta2Sum = computeDelta2Sum(gainR, gainB); - points[j].y = delta2Sum - priorLogLikelihood; + points[j][1] = delta2Sum - priorLogLikelihood; LOG(RPiAwb, Debug) << "At t " << tTest << " r " << rTest << " b " - << bTest << ": " << points[j].y; - if (points[j].y < points[bestPoint].y) + << bTest << ": " << points[j].y(); + if (points[j].y() < points[bestPoint].y()) bestPoint = j; } /* @@ -619,11 +619,11 @@ void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior) * now let's do a quadratic interpolation for the best result. */ bestPoint = std::max(1, std::min(bestPoint, numDeltas - 2)); - Pwl::Point rbTest = Pwl::Point(rCurve, bCurve) + - transverse * interpolateQuadatric(points[bestPoint - 1], - points[bestPoint], - points[bestPoint + 1]); - double rTest = rbTest.x, bTest = rbTest.y; + ipa::Pwl::Point rbTest = ipa::Pwl::Point({ rCurve, bCurve }) + + transverse * interpolateQuadatric(points[bestPoint - 1], + points[bestPoint], + points[bestPoint + 1]); + double rTest = rbTest.x(), bTest = rbTest.y(); double gainR = 1 / rTest, gainB = 1 / bTest; double delta2Sum = computeDelta2Sum(gainR, gainB); double finalLogLikelihood = delta2Sum - priorLogLikelihood; @@ -653,7 +653,7 @@ void Awb::awbBayes() * Get the current prior, and scale according to how many zones are * valid... not entirely sure about this. */ - Pwl prior = interpolatePrior(); + ipa::Pwl prior = interpolatePrior(); prior *= zones_.size() / (double)(statistics_->awbRegions.numRegions()); prior.map([](double x, double y) { LOG(RPiAwb, Debug) << "(" << x << "," << y << ")"; diff --git a/src/ipa/rpi/controller/rpi/awb.h b/src/ipa/rpi/controller/rpi/awb.h index cde6a62f..ab30f4fa 100644 --- a/src/ipa/rpi/controller/rpi/awb.h +++ b/src/ipa/rpi/controller/rpi/awb.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * awb.h - AWB control algorithm + * AWB control algorithm */ #pragma once @@ -10,11 +10,14 @@ #include <condition_variable> #include <thread> +#include <libcamera/geometry.h> + #include "../awb_algorithm.h" -#include "../pwl.h" #include "../awb_status.h" #include "../statistics.h" +#include "libipa/pwl.h" + namespace RPiController { /* Control algorithm to perform AWB calculations. */ @@ -28,7 +31,7 @@ struct AwbMode { struct AwbPrior { int read(const libcamera::YamlObject ¶ms); double lux; /* lux level */ - Pwl prior; /* maps CT to prior log likelihood for this lux level */ + libcamera::ipa::Pwl prior; /* maps CT to prior log likelihood for this lux level */ }; struct AwbConfig { @@ -41,10 +44,10 @@ struct AwbConfig { unsigned int convergenceFrames; /* approx number of frames to converge */ double speed; /* IIR filter speed applied to algorithm results */ bool fast; /* "fast" mode uses a 16x16 rather than 32x32 grid */ - Pwl ctR; /* function maps CT to r (= R/G) */ - Pwl ctB; /* function maps CT to b (= B/G) */ - Pwl ctRInverse; /* inverse of ctR */ - Pwl ctBInverse; /* inverse of ctB */ + libcamera::ipa::Pwl ctR; /* function maps CT to r (= R/G) */ + libcamera::ipa::Pwl ctB; /* function maps CT to b (= B/G) */ + libcamera::ipa::Pwl ctRInverse; /* inverse of ctR */ + libcamera::ipa::Pwl ctBInverse; /* inverse of ctB */ /* table of illuminant priors at different lux levels */ std::vector<AwbPrior> priors; /* AWB "modes" (determines the search range) */ @@ -161,11 +164,11 @@ private: void awbGrey(); void prepareStats(); double computeDelta2Sum(double gainR, double gainB); - Pwl interpolatePrior(); - double coarseSearch(Pwl const &prior); - void fineSearch(double &t, double &r, double &b, Pwl const &prior); + libcamera::ipa::Pwl interpolatePrior(); + double coarseSearch(libcamera::ipa::Pwl const &prior); + void fineSearch(double &t, double &r, double &b, libcamera::ipa::Pwl const &prior); std::vector<RGB> zones_; - std::vector<Pwl::Point> points_; + std::vector<libcamera::ipa::Pwl::Point> points_; /* manual r setting */ double manualR_; /* manual b setting */ diff --git a/src/ipa/rpi/controller/rpi/black_level.cpp b/src/ipa/rpi/controller/rpi/black_level.cpp index 2e3db51f..ea991df9 100644 --- a/src/ipa/rpi/controller/rpi/black_level.cpp +++ b/src/ipa/rpi/controller/rpi/black_level.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * black_level.cpp - black level control algorithm + * black level control algorithm */ #include <math.h> diff --git a/src/ipa/rpi/controller/rpi/black_level.h b/src/ipa/rpi/controller/rpi/black_level.h index d8c41c62..f50729db 100644 --- a/src/ipa/rpi/controller/rpi/black_level.h +++ b/src/ipa/rpi/controller/rpi/black_level.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * black_level.h - black level control algorithm + * black level control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/cac.cpp b/src/ipa/rpi/controller/rpi/cac.cpp index f2c8d282..17779ad5 100644 --- a/src/ipa/rpi/controller/rpi/cac.cpp +++ b/src/ipa/rpi/controller/rpi/cac.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2023 Raspberry Pi Ltd * - * cac.cpp - Chromatic Aberration Correction algorithm + * Chromatic Aberration Correction algorithm */ #include "cac.h" diff --git a/src/ipa/rpi/controller/rpi/ccm.cpp b/src/ipa/rpi/controller/rpi/ccm.cpp index 2e2e6664..3272a141 100644 --- a/src/ipa/rpi/controller/rpi/ccm.cpp +++ b/src/ipa/rpi/controller/rpi/ccm.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * ccm.cpp - CCM (colour correction matrix) control algorithm + * CCM (colour correction matrix) control algorithm */ #include <libcamera/base/log.h> @@ -71,7 +71,7 @@ int Ccm::read(const libcamera::YamlObject ¶ms) int ret; if (params.contains("saturation")) { - ret = config_.saturation.read(params["saturation"]); + ret = config_.saturation.readYaml(params["saturation"]); if (ret) return ret; } @@ -172,7 +172,7 @@ void Ccm::prepare(Metadata *imageMetadata) ccmStatus.saturation = saturation; if (!config_.saturation.empty()) saturation *= config_.saturation.eval( - config_.saturation.domain().clip(lux.lux)); + config_.saturation.domain().clamp(lux.lux)); ccm = applySaturation(ccm, saturation); for (int j = 0; j < 3; j++) for (int i = 0; i < 3; i++) diff --git a/src/ipa/rpi/controller/rpi/ccm.h b/src/ipa/rpi/controller/rpi/ccm.h index 286d0b33..4e5b33fe 100644 --- a/src/ipa/rpi/controller/rpi/ccm.h +++ b/src/ipa/rpi/controller/rpi/ccm.h @@ -2,14 +2,15 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * ccm.h - CCM (colour correction matrix) control algorithm + * CCM (colour correction matrix) control algorithm */ #pragma once #include <vector> +#include <libipa/pwl.h> + #include "../ccm_algorithm.h" -#include "../pwl.h" namespace RPiController { @@ -54,7 +55,7 @@ struct CtCcm { struct CcmConfig { std::vector<CtCcm> ccms; - Pwl saturation; + libcamera::ipa::Pwl saturation; }; class Ccm : public CcmAlgorithm diff --git a/src/ipa/rpi/controller/rpi/contrast.cpp b/src/ipa/rpi/controller/rpi/contrast.cpp index 4e038a02..66871a61 100644 --- a/src/ipa/rpi/controller/rpi/contrast.cpp +++ b/src/ipa/rpi/controller/rpi/contrast.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * contrast.cpp - contrast (gamma) control algorithm + * contrast (gamma) control algorithm */ #include <stdint.h> @@ -53,7 +53,7 @@ int Contrast::read(const libcamera::YamlObject ¶ms) config_.hiHistogram = params["hi_histogram"].get<double>(0.95); config_.hiLevel = params["hi_level"].get<double>(0.95); config_.hiMax = params["hi_max"].get<double>(2000); - return config_.gammaCurve.read(params["gamma_curve"]); + return config_.gammaCurve.readYaml(params["gamma_curve"]); } void Contrast::setBrightness(double brightness) @@ -92,10 +92,10 @@ void Contrast::prepare(Metadata *imageMetadata) imageMetadata->set("contrast.status", status_); } -Pwl computeStretchCurve(Histogram const &histogram, +ipa::Pwl computeStretchCurve(Histogram const &histogram, ContrastConfig const &config) { - Pwl enhance; + ipa::Pwl enhance; enhance.append(0, 0); /* * If the start of the histogram is rather empty, try to pull it down a @@ -136,10 +136,10 @@ Pwl computeStretchCurve(Histogram const &histogram, return enhance; } -Pwl applyManualContrast(Pwl const &gammaCurve, double brightness, - double contrast) +ipa::Pwl applyManualContrast(ipa::Pwl const &gammaCurve, double brightness, + double contrast) { - Pwl newGammaCurve; + ipa::Pwl newGammaCurve; LOG(RPiContrast, Debug) << "Manual brightness " << brightness << " contrast " << contrast; gammaCurve.map([&](double x, double y) { @@ -160,7 +160,7 @@ void Contrast::process(StatisticsPtr &stats, * ways: 1. Adjust the gamma curve so as to pull the start of the * histogram down, and possibly push the end up. */ - Pwl gammaCurve = config_.gammaCurve; + ipa::Pwl gammaCurve = config_.gammaCurve; if (ceEnable_) { if (config_.loMax != 0 || config_.hiMax != 0) gammaCurve = computeStretchCurve(histogram, config_).compose(gammaCurve); diff --git a/src/ipa/rpi/controller/rpi/contrast.h b/src/ipa/rpi/controller/rpi/contrast.h index 59aa70dc..c0f7db98 100644 --- a/src/ipa/rpi/controller/rpi/contrast.h +++ b/src/ipa/rpi/controller/rpi/contrast.h @@ -2,14 +2,15 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * contrast.h - contrast (gamma) control algorithm + * contrast (gamma) control algorithm */ #pragma once #include <mutex> +#include <libipa/pwl.h> + #include "../contrast_algorithm.h" -#include "../pwl.h" namespace RPiController { @@ -26,7 +27,7 @@ struct ContrastConfig { double hiHistogram; double hiLevel; double hiMax; - Pwl gammaCurve; + libcamera::ipa::Pwl gammaCurve; }; class Contrast : public ContrastAlgorithm diff --git a/src/ipa/rpi/controller/rpi/denoise.cpp b/src/ipa/rpi/controller/rpi/denoise.cpp index 154ee604..ba851658 100644 --- a/src/ipa/rpi/controller/rpi/denoise.cpp +++ b/src/ipa/rpi/controller/rpi/denoise.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022 Raspberry Pi Ltd * - * Denoise.cpp - Denoise (spatial, colour, temporal) control algorithm + * Denoise (spatial, colour, temporal) control algorithm */ #include "denoise.h" diff --git a/src/ipa/rpi/controller/rpi/dpc.cpp b/src/ipa/rpi/controller/rpi/dpc.cpp index be3871df..8aac03f7 100644 --- a/src/ipa/rpi/controller/rpi/dpc.cpp +++ b/src/ipa/rpi/controller/rpi/dpc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * dpc.cpp - DPC (defective pixel correction) control algorithm + * DPC (defective pixel correction) control algorithm */ #include <libcamera/base/log.h> diff --git a/src/ipa/rpi/controller/rpi/dpc.h b/src/ipa/rpi/controller/rpi/dpc.h index 84a05604..9cefb06d 100644 --- a/src/ipa/rpi/controller/rpi/dpc.h +++ b/src/ipa/rpi/controller/rpi/dpc.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * dpc.h - DPC (defective pixel correction) control algorithm + * DPC (defective pixel correction) control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/focus.h b/src/ipa/rpi/controller/rpi/focus.h index 8556039d..ee014be9 100644 --- a/src/ipa/rpi/controller/rpi/focus.h +++ b/src/ipa/rpi/controller/rpi/focus.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2020, Raspberry Pi Ltd * - * focus.h - focus algorithm + * focus algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/geq.cpp b/src/ipa/rpi/controller/rpi/geq.cpp index 510870e9..c9c38ebf 100644 --- a/src/ipa/rpi/controller/rpi/geq.cpp +++ b/src/ipa/rpi/controller/rpi/geq.cpp @@ -2,14 +2,13 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * geq.cpp - GEQ (green equalisation) control algorithm + * GEQ (green equalisation) control algorithm */ #include <libcamera/base/log.h> #include "../device_status.h" #include "../lux_status.h" -#include "../pwl.h" #include "geq.h" @@ -45,7 +44,7 @@ int Geq::read(const libcamera::YamlObject ¶ms) } if (params.contains("strength")) { - int ret = config_.strength.read(params["strength"]); + int ret = config_.strength.readYaml(params["strength"]); if (ret) return ret; } @@ -67,7 +66,7 @@ void Geq::prepare(Metadata *imageMetadata) GeqStatus geqStatus = {}; double strength = config_.strength.empty() ? 1.0 - : config_.strength.eval(config_.strength.domain().clip(luxStatus.lux)); + : config_.strength.eval(config_.strength.domain().clamp(luxStatus.lux)); strength *= deviceStatus.analogueGain; double offset = config_.offset * strength; double slope = config_.slope * strength; diff --git a/src/ipa/rpi/controller/rpi/geq.h b/src/ipa/rpi/controller/rpi/geq.h index ee3a52ff..e8b9f427 100644 --- a/src/ipa/rpi/controller/rpi/geq.h +++ b/src/ipa/rpi/controller/rpi/geq.h @@ -2,10 +2,12 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * geq.h - GEQ (green equalisation) control algorithm + * GEQ (green equalisation) control algorithm */ #pragma once +#include <libipa/pwl.h> + #include "../algorithm.h" #include "../geq_status.h" @@ -16,7 +18,7 @@ namespace RPiController { struct GeqConfig { uint16_t offset; double slope; - Pwl strength; /* lux to strength factor */ + libcamera::ipa::Pwl strength; /* lux to strength factor */ }; class Geq : public Algorithm diff --git a/src/ipa/rpi/controller/rpi/hdr.cpp b/src/ipa/rpi/controller/rpi/hdr.cpp index fb580548..d533a4ea 100644 --- a/src/ipa/rpi/controller/rpi/hdr.cpp +++ b/src/ipa/rpi/controller/rpi/hdr.cpp @@ -2,11 +2,13 @@ /* * Copyright (C) 2023 Raspberry Pi Ltd * - * hdr.cpp - HDR control algorithm + * HDR control algorithm */ #include "hdr.h" +#include <cmath> + #include <libcamera/base/log.h> #include "../agc_status.h" @@ -39,25 +41,52 @@ void HdrConfig::read(const libcamera::YamlObject ¶ms, const std::string &mod channelMap[v.get<unsigned int>().value()] = k; /* Lens shading related parameters. */ - if (params.contains("spatial_gain")) { - spatialGain.read(params["spatial_gain"]); - diffusion = params["diffusion"].get<unsigned int>(3); - /* Clip to an arbitrary limit just to stop typos from killing the system! */ - const unsigned int MAX_DIFFUSION = 15; - if (diffusion > MAX_DIFFUSION) { - diffusion = MAX_DIFFUSION; - LOG(RPiHdr, Warning) << "Diffusion value clipped to " << MAX_DIFFUSION; - } + if (params.contains("spatial_gain_curve")) { + spatialGainCurve.readYaml(params["spatial_gain_curve"]); + } else if (params.contains("spatial_gain")) { + double spatialGain = params["spatial_gain"].get<double>(2.0); + spatialGainCurve.append(0.0, spatialGain); + spatialGainCurve.append(0.01, spatialGain); + spatialGainCurve.append(0.06, 1.0); /* maybe make this programmable? */ + spatialGainCurve.append(1.0, 1.0); + } + + diffusion = params["diffusion"].get<unsigned int>(3); + /* Clip to an arbitrary limit just to stop typos from killing the system! */ + const unsigned int MAX_DIFFUSION = 15; + if (diffusion > MAX_DIFFUSION) { + diffusion = MAX_DIFFUSION; + LOG(RPiHdr, Warning) << "Diffusion value clipped to " << MAX_DIFFUSION; } /* Read any tonemap parameters. */ tonemapEnable = params["tonemap_enable"].get<int>(0); - detailConstant = params["detail_constant"].get<uint16_t>(50); - detailSlope = params["detail_slope"].get<double>(8.0); + detailConstant = params["detail_constant"].get<uint16_t>(0); + detailSlope = params["detail_slope"].get<double>(0.0); iirStrength = params["iir_strength"].get<double>(8.0); strength = params["strength"].get<double>(1.5); if (tonemapEnable) - tonemap.read(params["tonemap"]); + tonemap.readYaml(params["tonemap"]); + speed = params["speed"].get<double>(1.0); + if (params.contains("hi_quantile_targets")) { + hiQuantileTargets = params["hi_quantile_targets"].getList<double>().value(); + if (hiQuantileTargets.empty() || hiQuantileTargets.size() % 2) + LOG(RPiHdr, Fatal) << "hi_quantile_targets much be even and non-empty"; + } else + hiQuantileTargets = { 0.95, 0.65, 0.5, 0.28, 0.3, 0.25 }; + hiQuantileMaxGain = params["hi_quantile_max_gain"].get<double>(1.6); + if (params.contains("quantile_targets")) { + quantileTargets = params["quantile_targets"].getList<double>().value(); + if (quantileTargets.empty() || quantileTargets.size() % 2) + LOG(RPiHdr, Fatal) << "quantile_targets much be even and non-empty"; + } else + quantileTargets = { 0.2, 0.03, 1.0, 0.15 }; + powerMin = params["power_min"].get<double>(0.65); + powerMax = params["power_max"].get<double>(1.0); + if (params.contains("contrast_adjustments")) { + contrastAdjustments = params["contrast_adjustments"].getList<double>().value(); + } else + contrastAdjustments = { 0.5, 0.75 }; /* Read any stitch parameters. */ stitchEnable = params["stitch_enable"].get<int>(0); @@ -159,7 +188,7 @@ void Hdr::prepare(Metadata *imageMetadata) } HdrConfig &config = it->second; - if (config.spatialGain.empty()) + if (config.spatialGainCurve.empty()) return; AlscStatus alscStatus{}; /* some compilers seem to require the braces */ @@ -183,7 +212,7 @@ bool Hdr::updateTonemap([[maybe_unused]] StatisticsPtr &stats, HdrConfig &config /* When there's a change of HDR mode we start over with a new tonemap curve. */ if (delayedStatus_.mode != previousMode_) { previousMode_ = delayedStatus_.mode; - tonemap_ = Pwl(); + tonemap_ = ipa::Pwl(); } /* No tonemapping. No need to output a tonemap.status. */ @@ -205,10 +234,61 @@ bool Hdr::updateTonemap([[maybe_unused]] StatisticsPtr &stats, HdrConfig &config return true; /* - * If we wanted to build or adjust tonemaps dynamically, this would be the place - * to do it. But for now we seem to be getting by without. + * Create a tonemap dynamically. We have three ingredients. + * + * 1. We have a list of "hi quantiles" and "targets". We use these to judge if + * the image does seem to be reasonably saturated. If it isn't, we calculate + * a gain that we will feed as a linear factor into the tonemap generation. + * This prevents unsaturated images from beoming quite so "flat". + * + * 2. We have a list of quantile/target pairs for the bottom of the histogram. + * We use these to calculate how much gain we must apply to the bottom of the + * tonemap. We apply this gain as a power curve so as not to blow out the top + * end. + * + * 3. Finally, when we generate the tonemap, we have some contrast adjustments + * for the bottom because we know that power curves can start quite steeply and + * cause a washed-out look. */ + /* Compute the linear gain from the headroom for saturation at the top. */ + double gain = 10; /* arbitrary, but hiQuantileMaxGain will clamp it later */ + for (unsigned int i = 0; i < config.hiQuantileTargets.size(); i += 2) { + double quantile = config.hiQuantileTargets[i]; + double target = config.hiQuantileTargets[i + 1]; + double value = stats->yHist.interQuantileMean(quantile, 1.0) / 1024.0; + double newGain = target / (value + 0.01); + gain = std::min(gain, newGain); + } + gain = std::clamp(gain, 1.0, config.hiQuantileMaxGain); + + /* Compute the power curve from the amount of gain needed at the bottom. */ + double min_power = 2; /* arbitrary, but config.powerMax will clamp it later */ + for (unsigned int i = 0; i < config.quantileTargets.size(); i += 2) { + double quantile = config.quantileTargets[i]; + double target = config.quantileTargets[i + 1]; + double value = stats->yHist.interQuantileMean(0, quantile) / 1024.0; + value = std::min(value * gain, 1.0); + double power = log(target + 1e-6) / log(value + 1e-6); + min_power = std::min(min_power, power); + } + double power = std::clamp(min_power, config.powerMin, config.powerMax); + + /* Generate the tonemap, including the contrast adjustment factors. */ + libcamera::ipa::Pwl tonemap; + tonemap.append(0, 0); + for (unsigned int i = 0; i <= 6; i++) { + double x = 1 << (i + 9); /* x loops from 512 to 32768 inclusive */ + double y = pow(std::min(x * gain, 65535.0) / 65536.0, power) * 65536; + if (i < config.contrastAdjustments.size()) + y *= config.contrastAdjustments[i]; + if (!tonemap_.empty()) + y = y * config.speed + tonemap_.eval(x) * (1 - config.speed); + tonemap.append(x, y); + } + tonemap.append(65535, 65535); + tonemap_ = tonemap; + return true; } @@ -255,7 +335,7 @@ static void averageGains(std::vector<double> &src, std::vector<double> &dst, con void Hdr::updateGains(StatisticsPtr &stats, HdrConfig &config) { - if (config.spatialGain.empty()) + if (config.spatialGainCurve.empty()) return; /* When alternating exposures, only compute these gains for the short frame. */ @@ -270,7 +350,7 @@ void Hdr::updateGains(StatisticsPtr &stats, HdrConfig &config) double g = region.val.gSum / counted; double b = region.val.bSum / counted; double brightness = std::max({ r, g, b }) / 65535; - gains_[0][i] = config.spatialGain.eval(brightness); + gains_[0][i] = config.spatialGainCurve.eval(brightness); } /* Ping-pong between the two gains_ buffers. */ diff --git a/src/ipa/rpi/controller/rpi/hdr.h b/src/ipa/rpi/controller/rpi/hdr.h index 980aa3d1..5c2f3988 100644 --- a/src/ipa/rpi/controller/rpi/hdr.h +++ b/src/ipa/rpi/controller/rpi/hdr.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023, Raspberry Pi Ltd * - * hdr.h - HDR control algorithm + * HDR control algorithm */ #pragma once @@ -12,9 +12,10 @@ #include <libcamera/geometry.h> +#include <libipa/pwl.h> + #include "../hdr_algorithm.h" #include "../hdr_status.h" -#include "../pwl.h" /* This is our implementation of an HDR algorithm. */ @@ -26,7 +27,7 @@ struct HdrConfig { std::map<unsigned int, std::string> channelMap; /* Lens shading related parameters. */ - Pwl spatialGain; /* Brightness to gain curve for different image regions. */ + libcamera::ipa::Pwl spatialGainCurve; /* Brightness to gain curve for different image regions. */ unsigned int diffusion; /* How much to diffuse the gain spatially. */ /* Tonemap related parameters. */ @@ -35,7 +36,15 @@ struct HdrConfig { double detailSlope; double iirStrength; double strength; - Pwl tonemap; + libcamera::ipa::Pwl tonemap; + /* These relate to adaptive tonemap calculation. */ + double speed; + std::vector<double> hiQuantileTargets; /* quantiles to check for unsaturated images */ + double hiQuantileMaxGain; /* the max gain we'll apply when unsaturated */ + std::vector<double> quantileTargets; /* target values for histogram quantiles */ + double powerMin; /* minimum tonemap power */ + double powerMax; /* maximum tonemap power */ + std::vector<double> contrastAdjustments; /* any contrast adjustment factors */ /* Stitch related parameters. */ bool stitchEnable; @@ -67,7 +76,7 @@ private: HdrStatus status_; /* track the current HDR mode and channel */ HdrStatus delayedStatus_; /* track the delayed HDR mode and channel */ std::string previousMode_; - Pwl tonemap_; + libcamera::ipa::Pwl tonemap_; libcamera::Size regions_; /* stats regions */ unsigned int numRegions_; /* total number of stats regions */ std::vector<double> gains_[2]; diff --git a/src/ipa/rpi/controller/rpi/lux.cpp b/src/ipa/rpi/controller/rpi/lux.cpp index 06625f3a..7b31faab 100644 --- a/src/ipa/rpi/controller/rpi/lux.cpp +++ b/src/ipa/rpi/controller/rpi/lux.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * lux.cpp - Lux control algorithm + * Lux control algorithm */ #include <math.h> diff --git a/src/ipa/rpi/controller/rpi/lux.h b/src/ipa/rpi/controller/rpi/lux.h index 89411a54..89f441fc 100644 --- a/src/ipa/rpi/controller/rpi/lux.h +++ b/src/ipa/rpi/controller/rpi/lux.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * lux.h - Lux control algorithm + * Lux control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/noise.cpp b/src/ipa/rpi/controller/rpi/noise.cpp index bcd8b9ed..3f1c62cf 100644 --- a/src/ipa/rpi/controller/rpi/noise.cpp +++ b/src/ipa/rpi/controller/rpi/noise.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * noise.cpp - Noise control algorithm + * Noise control algorithm */ #include <math.h> diff --git a/src/ipa/rpi/controller/rpi/noise.h b/src/ipa/rpi/controller/rpi/noise.h index 74c31e64..6deae1f0 100644 --- a/src/ipa/rpi/controller/rpi/noise.h +++ b/src/ipa/rpi/controller/rpi/noise.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * noise.h - Noise control algorithm + * Noise control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/saturation.cpp b/src/ipa/rpi/controller/rpi/saturation.cpp index 813540e5..b83c5887 100644 --- a/src/ipa/rpi/controller/rpi/saturation.cpp +++ b/src/ipa/rpi/controller/rpi/saturation.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022 Raspberry Pi Ltd * - * saturation.cpp - Saturation control algorithm + * Saturation control algorithm */ #include "saturation.h" diff --git a/src/ipa/rpi/controller/rpi/sdn.cpp b/src/ipa/rpi/controller/rpi/sdn.cpp index 2f777dd7..619178a8 100644 --- a/src/ipa/rpi/controller/rpi/sdn.cpp +++ b/src/ipa/rpi/controller/rpi/sdn.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * sdn.cpp - SDN (spatial denoise) control algorithm + * SDN (spatial denoise) control algorithm */ #include <libcamera/base/log.h> diff --git a/src/ipa/rpi/controller/rpi/sdn.h b/src/ipa/rpi/controller/rpi/sdn.h index 9dd73c38..cb226de8 100644 --- a/src/ipa/rpi/controller/rpi/sdn.h +++ b/src/ipa/rpi/controller/rpi/sdn.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * sdn.h - SDN (spatial denoise) control algorithm + * SDN (spatial denoise) control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/sharpen.cpp b/src/ipa/rpi/controller/rpi/sharpen.cpp index 4f6f020a..39537f4a 100644 --- a/src/ipa/rpi/controller/rpi/sharpen.cpp +++ b/src/ipa/rpi/controller/rpi/sharpen.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * sharpen.cpp - sharpening control algorithm + * sharpening control algorithm */ #include <math.h> diff --git a/src/ipa/rpi/controller/rpi/sharpen.h b/src/ipa/rpi/controller/rpi/sharpen.h index 8bb7631e..96ccd609 100644 --- a/src/ipa/rpi/controller/rpi/sharpen.h +++ b/src/ipa/rpi/controller/rpi/sharpen.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * sharpen.h - sharpening control algorithm + * sharpening control algorithm */ #pragma once diff --git a/src/ipa/rpi/controller/rpi/tonemap.cpp b/src/ipa/rpi/controller/rpi/tonemap.cpp index 5f8b2bf2..2dc50dfc 100644 --- a/src/ipa/rpi/controller/rpi/tonemap.cpp +++ b/src/ipa/rpi/controller/rpi/tonemap.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2022 Raspberry Pi Ltd * - * tonemap.cpp - Tonemap control algorithm + * Tonemap control algorithm */ #include "tonemap.h" @@ -33,7 +33,7 @@ int Tonemap::read(const libcamera::YamlObject ¶ms) config_.detailSlope = params["detail_slope"].get<double>(0.1); config_.iirStrength = params["iir_strength"].get<double>(1.0); config_.strength = params["strength"].get<double>(1.0); - config_.tonemap.read(params["tone_curve"]); + config_.tonemap.readYaml(params["tone_curve"]); return 0; } diff --git a/src/ipa/rpi/controller/rpi/tonemap.h b/src/ipa/rpi/controller/rpi/tonemap.h index f25aa47f..ba0cf5c4 100644 --- a/src/ipa/rpi/controller/rpi/tonemap.h +++ b/src/ipa/rpi/controller/rpi/tonemap.h @@ -6,8 +6,9 @@ */ #pragma once +#include <libipa/pwl.h> + #include "algorithm.h" -#include "pwl.h" namespace RPiController { @@ -16,7 +17,7 @@ struct TonemapConfig { double detailSlope; double iirStrength; double strength; - Pwl tonemap; + libcamera::ipa::Pwl tonemap; }; class Tonemap : public Algorithm diff --git a/src/ipa/rpi/controller/saturation_status.h b/src/ipa/rpi/controller/saturation_status.h index 337b66a3..c7fadc99 100644 --- a/src/ipa/rpi/controller/saturation_status.h +++ b/src/ipa/rpi/controller/saturation_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022 Raspberry Pi Ltd * - * saturation_status.h - Saturation control algorithm status + * Saturation control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/sharpen_algorithm.h b/src/ipa/rpi/controller/sharpen_algorithm.h index 3be21c32..abd82cb2 100644 --- a/src/ipa/rpi/controller/sharpen_algorithm.h +++ b/src/ipa/rpi/controller/sharpen_algorithm.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2020, Raspberry Pi Ltd * - * sharpen_algorithm.h - sharpness control algorithm interface + * sharpness control algorithm interface */ #pragma once diff --git a/src/ipa/rpi/controller/sharpen_status.h b/src/ipa/rpi/controller/sharpen_status.h index 106166db..74910199 100644 --- a/src/ipa/rpi/controller/sharpen_status.h +++ b/src/ipa/rpi/controller/sharpen_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Raspberry Pi Ltd * - * sharpen_status.h - Sharpen control algorithm status + * Sharpen control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/statistics.h b/src/ipa/rpi/controller/statistics.h index 015d4efc..cbd81161 100644 --- a/src/ipa/rpi/controller/statistics.h +++ b/src/ipa/rpi/controller/statistics.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2022, Raspberry Pi Ltd * - * statistics.h - Raspberry Pi generic statistics structure + * Raspberry Pi generic statistics structure */ #pragma once diff --git a/src/ipa/rpi/controller/stitch_status.h b/src/ipa/rpi/controller/stitch_status.h index b17800ed..7812f3e3 100644 --- a/src/ipa/rpi/controller/stitch_status.h +++ b/src/ipa/rpi/controller/stitch_status.h @@ -2,7 +2,7 @@ /* * Copyright (C) 2023 Raspberry Pi Ltd * - * stitch_status.h - stitch control algorithm status + * stitch control algorithm status */ #pragma once diff --git a/src/ipa/rpi/controller/tonemap_status.h b/src/ipa/rpi/controller/tonemap_status.h index 0e639946..0364ff66 100644 --- a/src/ipa/rpi/controller/tonemap_status.h +++ b/src/ipa/rpi/controller/tonemap_status.h @@ -2,16 +2,16 @@ /* * Copyright (C) 2022 Raspberry Pi Ltd * - * hdr.h - Tonemap control algorithm status + * Tonemap control algorithm status */ #pragma once -#include "pwl.h" +#include <libipa/pwl.h> struct TonemapStatus { uint16_t detailConstant; double detailSlope; double iirStrength; double strength; - RPiController::Pwl tonemap; + libcamera::ipa::Pwl tonemap; }; diff --git a/src/ipa/rpi/vc4/data/imx219.json b/src/ipa/rpi/vc4/data/imx219.json index 54defc0b..a020b12f 100644 --- a/src/ipa/rpi/vc4/data/imx219.json +++ b/src/ipa/rpi/vc4/data/imx219.json @@ -131,282 +131,308 @@ { "rpi.agc": { - "channels": - [ - { - "metering_modes": - { - "centre-weighted": - { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] - }, - "spot": - { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] - }, - "matrix": - { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] - } - }, - "exposure_modes": - { - "normal": - { - "shutter": [ 100, 10000, 30000, 60000, 66666 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "short": - { - "shutter": [ 100, 5000, 10000, 20000, 33333 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "long": - { - "shutter": [ 100, 10000, 30000, 60000, 120000 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] - } - }, - "constraint_modes": - { - "normal": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - } - ], - "highlight": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - }, - { - "bound": "UPPER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.8, - 1000, 0.8 - ] - } - ], - "shadows": [ - { - "bound": "LOWER", - "q_lo": 0.0, - "q_hi": 0.5, - "y_target": - [ - 0, 0.17, - 1000, 0.17 - ] - } - ] - }, - "y_target": - [ - 0, 0.16, - 1000, 0.165, - 10000, 0.17 - ] - }, - { - "base_ev": 0.125, - "metering_modes": - { - "centre-weighted": - { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] - }, - "spot": - { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] - }, - "matrix": - { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] - } - }, - "exposure_modes": - { - "normal": - { - "shutter": [ 100, 10000, 30000, 60000, 66666 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "short": - { - "shutter": [ 100, 5000, 10000, 20000, 33333 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "long": - { - "shutter": [ 100, 10000, 30000, 60000, 120000 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] - } - }, - "constraint_modes": - { - "normal": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - } - ], - "highlight": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - }, - { - "bound": "UPPER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.8, - 1000, 0.8 - ] - } - ], - "shadows": [ - { - "bound": "LOWER", - "q_lo": 0.0, - "q_hi": 0.5, - "y_target": - [ - 0, 0.17, - 1000, 0.17 - ] - } - ] - }, - "y_target": - [ - 0, 0.16, - 1000, 0.165, - 10000, 0.17 - ] - }, - { - "base_ev": 1.5, - "metering_modes": - { - "centre-weighted": - { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] - }, - "spot": - { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] - }, - "matrix": - { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] - } - }, - "exposure_modes": - { - "normal": - { - "shutter": [ 100, 10000, 30000, 60000, 66666 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "short": - { - "shutter": [ 100, 5000, 10000, 20000, 33333 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "long": - { - "shutter": [ 100, 10000, 30000, 60000, 120000 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] - } - }, - "constraint_modes": - { - "normal": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - } - ], - "highlight": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - }, - { - "bound": "UPPER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.8, - 1000, 0.8 - ] - } - ], - "shadows": [ - { - "bound": "LOWER", - "q_lo": 0.0, - "q_hi": 0.5, - "y_target": - [ - 0, 0.17, - 1000, 0.17 - ] - } - ] - }, - "y_target": - [ - 0, 0.16, - 1000, 0.165, - 10000, 0.17 - ] - } - ] - } + "channels": [ + { + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ] + }, + { + "base_ev": 0.125, + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ] + }, + { + "base_ev": 1.5, + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ] + } + ] + } }, { "rpi.alsc": @@ -651,20 +677,19 @@ { "rpi.sharpen": { } }, - { - "rpi.hdr": - { - "MultiExposure": - { - "cadence": [ 1, 2 ], - "channel_map": { "short": 1, "long": 2 } - }, - "SingleExposure": - { - "cadence": [ 1 ], - "channel_map": { "short": 1 } - } - } - } + { + "rpi.hdr": + { + "MultiExposureUnmerged": + { + "cadence": [ 1, 2 ], + "channel_map": + { + "short": 1, + "long": 2 + } + } + } + } ] } diff --git a/src/ipa/rpi/vc4/data/imx219_noir.json b/src/ipa/rpi/vc4/data/imx219_noir.json index e823a90d..d8bc9639 100644 --- a/src/ipa/rpi/vc4/data/imx219_noir.json +++ b/src/ipa/rpi/vc4/data/imx219_noir.json @@ -47,282 +47,308 @@ { "rpi.agc": { - "channels": - [ - { - "metering_modes": - { - "centre-weighted": - { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] - }, - "spot": - { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] - }, - "matrix": - { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] - } - }, - "exposure_modes": - { - "normal": - { - "shutter": [ 100, 10000, 30000, 60000, 66666 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "short": - { - "shutter": [ 100, 5000, 10000, 20000, 33333 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "long": - { - "shutter": [ 100, 10000, 30000, 60000, 120000 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] - } - }, - "constraint_modes": - { - "normal": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - } - ], - "highlight": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - }, - { - "bound": "UPPER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.8, - 1000, 0.8 - ] - } - ], - "shadows": [ - { - "bound": "LOWER", - "q_lo": 0.0, - "q_hi": 0.5, - "y_target": - [ - 0, 0.17, - 1000, 0.17 - ] - } - ] - }, - "y_target": - [ - 0, 0.16, - 1000, 0.165, - 10000, 0.17 - ] - }, - { - "base_ev": 0.125, - "metering_modes": - { - "centre-weighted": - { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] - }, - "spot": - { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] - 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} - }, - "exposure_modes": - { - "normal": - { - "shutter": [ 100, 10000, 30000, 60000, 66666 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "short": - { - "shutter": [ 100, 5000, 10000, 20000, 33333 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] - }, - "long": - { - "shutter": [ 100, 10000, 30000, 60000, 120000 ], - "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] - } - }, - "constraint_modes": - { - "normal": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - } - ], - "highlight": [ - { - "bound": "LOWER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.5, - 1000, 0.5 - ] - }, - { - "bound": "UPPER", - "q_lo": 0.98, - "q_hi": 1.0, - "y_target": - [ - 0, 0.8, - 1000, 0.8 - ] - } - ], - "shadows": [ - { - "bound": "LOWER", - "q_lo": 0.0, - "q_hi": 0.5, - "y_target": - [ - 0, 0.17, - 1000, 0.17 - ] - } - ] - }, - "y_target": - [ - 0, 0.16, - 1000, 0.165, - 10000, 0.17 - ], - "base_ev": 1.25 - } - ] - } + "channels": [ + { + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ], + "base_ev": 1.25 + }, + { + "base_ev": 1.25, + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ] + }, + { + "base_ev": 1.25, + "metering_modes": + { + "centre-weighted": + { + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] + }, + "spot": + { + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] + }, + "matrix": + { + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] + } + }, + "exposure_modes": + { + "normal": + { + "shutter": [ 100, 10000, 30000, 60000, 66666 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "short": + { + "shutter": [ 100, 5000, 10000, 20000, 33333 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ] + }, + "long": + { + "shutter": [ 100, 10000, 30000, 60000, 120000 ], + "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ] + } + }, + "constraint_modes": + { + "normal": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + } + ], + "highlight": [ + { + "bound": "LOWER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.5, + 1000, 0.5 + ] + }, + { + "bound": "UPPER", + "q_lo": 0.98, + "q_hi": 1.0, + "y_target": + [ + 0, 0.8, + 1000, 0.8 + ] + } + ], + "shadows": [ + { + "bound": "LOWER", + "q_lo": 0.0, + "q_hi": 0.5, + "y_target": + [ + 0, 0.17, + 1000, 0.17 + ] + } + ] + }, + "y_target": + [ + 0, 0.16, + 1000, 0.165, + 10000, 0.17 + ] + } + ] + } }, { "rpi.alsc": @@ -654,20 +678,19 @@ { "rpi.sharpen": { } }, - { - "rpi.hdr": - { - "MultiExposure": - { - "cadence": [ 1, 2 ], - "channel_map": { "short": 1, "long": 2 } - }, - "SingleExposure": - { - "cadence": [ 1 ], - "channel_map": { "short": 1 } - } - } - } + { + "rpi.hdr": + { + "MultiExposureUnmerged": + { + "cadence": [ 1, 2 ], + "channel_map": + { + "short": 1, + "long": 2 + } + } + } + } ] } diff --git a/src/ipa/rpi/vc4/data/ov5647_noir.json b/src/ipa/rpi/vc4/data/ov5647_noir.json index a6c6722f..488b7119 100644 --- a/src/ipa/rpi/vc4/data/ov5647_noir.json +++ b/src/ipa/rpi/vc4/data/ov5647_noir.json @@ -51,15 +51,24 @@ { "centre-weighted": { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] }, "spot": { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] }, "matrix": { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] } }, "exposure_modes": diff --git a/src/ipa/rpi/vc4/data/ov9281_mono.json b/src/ipa/rpi/vc4/data/ov9281_mono.json index 2b7292ec..a9d05a01 100644 --- a/src/ipa/rpi/vc4/data/ov9281_mono.json +++ b/src/ipa/rpi/vc4/data/ov9281_mono.json @@ -35,7 +35,10 @@ { "centre-weighted": { - "weights": [ 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] + "weights": + [ + 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] } }, "exposure_modes": diff --git a/src/ipa/rpi/vc4/data/se327m12.json b/src/ipa/rpi/vc4/data/se327m12.json index 8552ed92..948169db 100644 --- a/src/ipa/rpi/vc4/data/se327m12.json +++ b/src/ipa/rpi/vc4/data/se327m12.json @@ -133,15 +133,24 @@ { "centre-weighted": { - "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] + "weights": + [ + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] }, "spot": { - "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] + "weights": + [ + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + ] }, "matrix": { - "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] + "weights": + [ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + ] } }, "exposure_modes": diff --git a/src/ipa/rpi/vc4/data/uncalibrated.json b/src/ipa/rpi/vc4/data/uncalibrated.json index 7654defa..cdc56b32 100644 --- a/src/ipa/rpi/vc4/data/uncalibrated.json +++ b/src/ipa/rpi/vc4/data/uncalibrated.json @@ -22,7 +22,10 @@ { "centre-weighted": { - "weights": [ 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ] + "weights": + [ + 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 + ] } }, "exposure_modes": diff --git a/src/ipa/rpi/vc4/meson.build b/src/ipa/rpi/vc4/meson.build index 590e9197..63fc5925 100644 --- a/src/ipa/rpi/vc4/meson.build +++ b/src/ipa/rpi/vc4/meson.build @@ -15,7 +15,6 @@ vc4_ipa_libs = [ vc4_ipa_includes = [ ipa_includes, - libipa_includes, ] vc4_ipa_sources = files([ @@ -28,8 +27,7 @@ mod = shared_module(ipa_name, [vc4_ipa_sources, libcamera_generated_ipa_headers], name_prefix : '', include_directories : vc4_ipa_includes, - dependencies : vc4_ipa_deps, - link_with : libipa, + dependencies : [vc4_ipa_deps, libipa_dep], link_whole : vc4_ipa_libs, install : true, install_dir : ipa_install_dir) diff --git a/src/ipa/rpi/vc4/vc4.cpp b/src/ipa/rpi/vc4/vc4.cpp index d2159a51..ba43e474 100644 --- a/src/ipa/rpi/vc4/vc4.cpp +++ b/src/ipa/rpi/vc4/vc4.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019-2021, Raspberry Pi Ltd * - * rpi.cpp - Raspberry Pi VC4/BCM2835 ISP IPA. + * Raspberry Pi VC4/BCM2835 ISP IPA. */ #include <string.h> @@ -583,7 +583,7 @@ extern "C" { const struct IPAModuleInfo ipaModuleInfo = { IPA_MODULE_API_VERSION, 1, - "PipelineHandlerVc4", + "rpi/vc4", "rpi/vc4", }; diff --git a/src/ipa/simple/black_level.cpp b/src/ipa/simple/black_level.cpp new file mode 100644 index 00000000..cc490eb5 --- /dev/null +++ b/src/ipa/simple/black_level.cpp @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Red Hat Inc. + * + * black level handling + */ + +#include "black_level.h" + +#include <numeric> + +#include <libcamera/base/log.h> + +namespace libcamera { + +LOG_DEFINE_CATEGORY(IPASoftBL) + +/** + * \class BlackLevel + * \brief Object providing black point level for software ISP + * + * Black level can be provided in hardware tuning files or, if no tuning file is + * available for the given hardware, guessed automatically, with less accuracy. + * As tuning files are not yet implemented for software ISP, BlackLevel + * currently provides only guessed black levels. + * + * This class serves for tracking black level as a property of the underlying + * hardware, not as means of enhancing a particular scene or image. + * + * The class is supposed to be instantiated for the given camera stream. + * The black level can be retrieved using BlackLevel::get() method. It is + * initially 0 and may change when updated using BlackLevel::update() method. + */ + +BlackLevel::BlackLevel() + : blackLevel_(255), blackLevelSet_(false) +{ +} + +/** + * \brief Return the current black level + * + * \return The black level, in the range from 0 (minimum) to 255 (maximum). + * If the black level couldn't be determined yet, return 0. + */ +uint8_t BlackLevel::get() const +{ + return blackLevelSet_ ? blackLevel_ : 0; +} + +/** + * \brief Update black level from the provided histogram + * \param[in] yHistogram The histogram to be used for updating black level + * + * The black level is property of the given hardware, not image. It is updated + * only if it has not been yet set or if it is lower than the lowest value seen + * so far. + */ +void BlackLevel::update(SwIspStats::Histogram &yHistogram) +{ + /* + * The constant is selected to be "good enough", not overly conservative or + * aggressive. There is no magic about the given value. + */ + constexpr float ignoredPercentage_ = 0.02; + const unsigned int total = + std::accumulate(begin(yHistogram), end(yHistogram), 0); + const unsigned int pixelThreshold = ignoredPercentage_ * total; + const unsigned int histogramRatio = 256 / SwIspStats::kYHistogramSize; + const unsigned int currentBlackIdx = blackLevel_ / histogramRatio; + + for (unsigned int i = 0, seen = 0; + i < currentBlackIdx && i < SwIspStats::kYHistogramSize; + i++) { + seen += yHistogram[i]; + if (seen >= pixelThreshold) { + blackLevel_ = i * histogramRatio; + blackLevelSet_ = true; + LOG(IPASoftBL, Debug) + << "Auto-set black level: " + << i << "/" << SwIspStats::kYHistogramSize + << " (" << 100 * (seen - yHistogram[i]) / total << "% below, " + << 100 * seen / total << "% at or below)"; + break; + } + }; +} +} /* namespace libcamera */ diff --git a/src/ipa/simple/black_level.h b/src/ipa/simple/black_level.h new file mode 100644 index 00000000..5e032f9f --- /dev/null +++ b/src/ipa/simple/black_level.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2024, Red Hat Inc. + * + * black level handling + */ + +#pragma once + +#include <array> +#include <stdint.h> + +#include "libcamera/internal/software_isp/swisp_stats.h" + +namespace libcamera { + +class BlackLevel +{ +public: + BlackLevel(); + uint8_t get() const; + void update(SwIspStats::Histogram &yHistogram); + +private: + uint8_t blackLevel_; + bool blackLevelSet_; +}; + +} /* namespace libcamera */ diff --git a/src/ipa/simple/data/meson.build b/src/ipa/simple/data/meson.build new file mode 100644 index 00000000..92795ee4 --- /dev/null +++ b/src/ipa/simple/data/meson.build @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: CC0-1.0 + +conf_files = files([ + 'uncalibrated.yaml', +]) + +# The install_dir must match the name from the IPAModuleInfo +install_data(conf_files, + install_dir : ipa_data_dir / 'simple', + install_tag : 'runtime') diff --git a/src/ipa/simple/data/uncalibrated.yaml b/src/ipa/simple/data/uncalibrated.yaml new file mode 100644 index 00000000..ff981a1a --- /dev/null +++ b/src/ipa/simple/data/uncalibrated.yaml @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: CC0-1.0 +%YAML 1.1 +--- +version: 1 +... diff --git a/src/ipa/simple/meson.build b/src/ipa/simple/meson.build new file mode 100644 index 00000000..33d1c96a --- /dev/null +++ b/src/ipa/simple/meson.build @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: CC0-1.0 + +ipa_name = 'ipa_soft_simple' + +soft_simple_sources = files([ + 'soft_simple.cpp', + 'black_level.cpp', +]) + +mod = shared_module(ipa_name, + [soft_simple_sources, libcamera_generated_ipa_headers], + name_prefix : '', + include_directories : [ipa_includes], + dependencies : [libcamera_private, libipa_dep], + install : true, + install_dir : ipa_install_dir) + +if ipa_sign_module + custom_target(ipa_name + '.so.sign', + input : mod, + output : ipa_name + '.so.sign', + command : [ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@'], + install : false, + build_by_default : true) +endif + +subdir('data') + +ipa_names += ipa_name diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp new file mode 100644 index 00000000..b7746ce0 --- /dev/null +++ b/src/ipa/simple/soft_simple.cpp @@ -0,0 +1,444 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2023, Linaro Ltd + * + * Simple Software Image Processing Algorithm module + */ + +#include <cmath> +#include <numeric> +#include <stdint.h> +#include <sys/mman.h> + +#include <linux/v4l2-controls.h> + +#include <libcamera/base/file.h> +#include <libcamera/base/log.h> +#include <libcamera/base/shared_fd.h> + +#include <libcamera/control_ids.h> +#include <libcamera/controls.h> + +#include <libcamera/ipa/ipa_interface.h> +#include <libcamera/ipa/ipa_module_info.h> +#include <libcamera/ipa/soft_ipa_interface.h> + +#include "libcamera/internal/software_isp/debayer_params.h" +#include "libcamera/internal/software_isp/swisp_stats.h" +#include "libcamera/internal/yaml_parser.h" + +#include "libipa/camera_sensor_helper.h" + +#include "black_level.h" + +namespace libcamera { +LOG_DEFINE_CATEGORY(IPASoft) + +namespace ipa::soft { + +/* + * The number of bins to use for the optimal exposure calculations. + */ +static constexpr unsigned int kExposureBinsCount = 5; + +/* + * The exposure is optimal when the mean sample value of the histogram is + * in the middle of the range. + */ +static constexpr float kExposureOptimal = kExposureBinsCount / 2.0; + +/* + * The below value implements the hysteresis for the exposure adjustment. + * It is small enough to have the exposure close to the optimal, and is big + * enough to prevent the exposure from wobbling around the optimal value. + */ +static constexpr float kExposureSatisfactory = 0.2; + +class IPASoftSimple : public ipa::soft::IPASoftInterface +{ +public: + IPASoftSimple() + : params_(nullptr), stats_(nullptr), blackLevel_(BlackLevel()), + ignoreUpdates_(0) + { + } + + ~IPASoftSimple(); + + int init(const IPASettings &settings, + const SharedFD &fdStats, + const SharedFD &fdParams, + const ControlInfoMap &sensorInfoMap) override; + int configure(const ControlInfoMap &sensorInfoMap) override; + + int start() override; + void stop() override; + + void processStats(const ControlList &sensorControls) override; + +private: + void updateExposure(double exposureMSV); + + DebayerParams *params_; + SwIspStats *stats_; + std::unique_ptr<CameraSensorHelper> camHelper_; + ControlInfoMap sensorInfoMap_; + BlackLevel blackLevel_; + + static constexpr unsigned int kGammaLookupSize = 1024; + std::array<uint8_t, kGammaLookupSize> gammaTable_; + int lastBlackLevel_ = -1; + + int32_t exposureMin_, exposureMax_; + int32_t exposure_; + double againMin_, againMax_, againMinStep_; + double again_; + unsigned int ignoreUpdates_; +}; + +IPASoftSimple::~IPASoftSimple() +{ + if (stats_) + munmap(stats_, sizeof(SwIspStats)); + if (params_) + munmap(params_, sizeof(DebayerParams)); +} + +int IPASoftSimple::init(const IPASettings &settings, + const SharedFD &fdStats, + const SharedFD &fdParams, + const ControlInfoMap &sensorInfoMap) +{ + camHelper_ = CameraSensorHelperFactoryBase::create(settings.sensorModel); + if (!camHelper_) { + LOG(IPASoft, Warning) + << "Failed to create camera sensor helper for " + << settings.sensorModel; + } + + /* Load the tuning data file */ + File file(settings.configurationFile); + if (!file.open(File::OpenModeFlag::ReadOnly)) { + int ret = file.error(); + LOG(IPASoft, Error) + << "Failed to open configuration file " + << settings.configurationFile << ": " << strerror(-ret); + return ret; + } + + std::unique_ptr<libcamera::YamlObject> data = YamlParser::parse(file); + if (!data) + return -EINVAL; + + /* \todo Use the IPA configuration file for real. */ + unsigned int version = (*data)["version"].get<uint32_t>(0); + LOG(IPASoft, Debug) << "Tuning file version " << version; + + params_ = nullptr; + stats_ = nullptr; + + if (!fdStats.isValid()) { + LOG(IPASoft, Error) << "Invalid Statistics handle"; + return -ENODEV; + } + + if (!fdParams.isValid()) { + LOG(IPASoft, Error) << "Invalid Parameters handle"; + return -ENODEV; + } + + { + void *mem = mmap(nullptr, sizeof(DebayerParams), PROT_WRITE, + MAP_SHARED, fdParams.get(), 0); + if (mem == MAP_FAILED) { + LOG(IPASoft, Error) << "Unable to map Parameters"; + return -errno; + } + + params_ = static_cast<DebayerParams *>(mem); + } + + { + void *mem = mmap(nullptr, sizeof(SwIspStats), PROT_READ, + MAP_SHARED, fdStats.get(), 0); + if (mem == MAP_FAILED) { + LOG(IPASoft, Error) << "Unable to map Statistics"; + return -errno; + } + + stats_ = static_cast<SwIspStats *>(mem); + } + + /* + * Check if the sensor driver supports the controls required by the + * Soft IPA. + * Don't save the min and max control values yet, as e.g. the limits + * for V4L2_CID_EXPOSURE depend on the configured sensor resolution. + */ + if (sensorInfoMap.find(V4L2_CID_EXPOSURE) == sensorInfoMap.end()) { + LOG(IPASoft, Error) << "Don't have exposure control"; + return -EINVAL; + } + + if (sensorInfoMap.find(V4L2_CID_ANALOGUE_GAIN) == sensorInfoMap.end()) { + LOG(IPASoft, Error) << "Don't have gain control"; + return -EINVAL; + } + + return 0; +} + +int IPASoftSimple::configure(const ControlInfoMap &sensorInfoMap) +{ + sensorInfoMap_ = sensorInfoMap; + + const ControlInfo &exposureInfo = sensorInfoMap_.find(V4L2_CID_EXPOSURE)->second; + const ControlInfo &gainInfo = sensorInfoMap_.find(V4L2_CID_ANALOGUE_GAIN)->second; + + exposureMin_ = exposureInfo.min().get<int32_t>(); + exposureMax_ = exposureInfo.max().get<int32_t>(); + if (!exposureMin_) { + LOG(IPASoft, Warning) << "Minimum exposure is zero, that can't be linear"; + exposureMin_ = 1; + } + + int32_t againMin = gainInfo.min().get<int32_t>(); + int32_t againMax = gainInfo.max().get<int32_t>(); + + if (camHelper_) { + againMin_ = camHelper_->gain(againMin); + againMax_ = camHelper_->gain(againMax); + againMinStep_ = (againMax_ - againMin_) / 100.0; + } else { + /* + * The camera sensor gain (g) is usually not equal to the value written + * into the gain register (x). But the way how the AGC algorithm changes + * the gain value to make the total exposure closer to the optimum + * assumes that g(x) is not too far from linear function. If the minimal + * gain is 0, the g(x) is likely to be far from the linear, like + * g(x) = a / (b * x + c). To avoid unexpected changes to the gain by + * the AGC algorithm (abrupt near one edge, and very small near the + * other) we limit the range of the gain values used. + */ + againMax_ = againMax; + if (!againMin) { + LOG(IPASoft, Warning) + << "Minimum gain is zero, that can't be linear"; + againMin_ = std::min(100, againMin / 2 + againMax / 2); + } + againMinStep_ = 1.0; + } + + LOG(IPASoft, Info) << "Exposure " << exposureMin_ << "-" << exposureMax_ + << ", gain " << againMin_ << "-" << againMax_ + << " (" << againMinStep_ << ")"; + + return 0; +} + +int IPASoftSimple::start() +{ + return 0; +} + +void IPASoftSimple::stop() +{ +} + +void IPASoftSimple::processStats(const ControlList &sensorControls) +{ + SwIspStats::Histogram histogram = stats_->yHistogram; + if (ignoreUpdates_ > 0) + blackLevel_.update(histogram); + const uint8_t blackLevel = blackLevel_.get(); + + /* + * Black level must be subtracted to get the correct AWB ratios, they + * would be off if they were computed from the whole brightness range + * rather than from the sensor range. + */ + const uint64_t nPixels = std::accumulate( + histogram.begin(), histogram.end(), 0); + const uint64_t offset = blackLevel * nPixels; + const uint64_t sumR = stats_->sumR_ - offset / 4; + const uint64_t sumG = stats_->sumG_ - offset / 2; + const uint64_t sumB = stats_->sumB_ - offset / 4; + + /* + * Calculate red and blue gains for AWB. + * Clamp max gain at 4.0, this also avoids 0 division. + * Gain: 128 = 0.5, 256 = 1.0, 512 = 2.0, etc. + */ + const unsigned int gainR = sumR <= sumG / 4 ? 1024 : 256 * sumG / sumR; + const unsigned int gainB = sumB <= sumG / 4 ? 1024 : 256 * sumG / sumB; + /* Green gain and gamma values are fixed */ + constexpr unsigned int gainG = 256; + + /* Update the gamma table if needed */ + if (blackLevel != lastBlackLevel_) { + constexpr float gamma = 0.5; + const unsigned int blackIndex = blackLevel * kGammaLookupSize / 256; + std::fill(gammaTable_.begin(), gammaTable_.begin() + blackIndex, 0); + const float divisor = kGammaLookupSize - blackIndex - 1.0; + for (unsigned int i = blackIndex; i < kGammaLookupSize; i++) + gammaTable_[i] = UINT8_MAX * + std::pow((i - blackIndex) / divisor, gamma); + + lastBlackLevel_ = blackLevel; + } + + for (unsigned int i = 0; i < DebayerParams::kRGBLookupSize; i++) { + constexpr unsigned int div = + DebayerParams::kRGBLookupSize * 256 / kGammaLookupSize; + unsigned int idx; + + /* Apply gamma after gain! */ + idx = std::min({ i * gainR / div, (kGammaLookupSize - 1) }); + params_->red[i] = gammaTable_[idx]; + + idx = std::min({ i * gainG / div, (kGammaLookupSize - 1) }); + params_->green[i] = gammaTable_[idx]; + + idx = std::min({ i * gainB / div, (kGammaLookupSize - 1) }); + params_->blue[i] = gammaTable_[idx]; + } + + setIspParams.emit(); + + /* \todo Switch to the libipa/algorithm.h API someday. */ + + /* + * AE / AGC, use 2 frames delay to make sure that the exposure and + * the gain set have applied to the camera sensor. + * \todo This could be handled better with DelayedControls. + */ + if (ignoreUpdates_ > 0) { + --ignoreUpdates_; + return; + } + + /* + * Calculate Mean Sample Value (MSV) according to formula from: + * https://www.araa.asn.au/acra/acra2007/papers/paper84final.pdf + */ + const unsigned int blackLevelHistIdx = + blackLevel / (256 / SwIspStats::kYHistogramSize); + const unsigned int histogramSize = + SwIspStats::kYHistogramSize - blackLevelHistIdx; + const unsigned int yHistValsPerBin = histogramSize / kExposureBinsCount; + const unsigned int yHistValsPerBinMod = + histogramSize / (histogramSize % kExposureBinsCount + 1); + int exposureBins[kExposureBinsCount] = {}; + unsigned int denom = 0; + unsigned int num = 0; + + for (unsigned int i = 0; i < histogramSize; i++) { + unsigned int idx = (i - (i / yHistValsPerBinMod)) / yHistValsPerBin; + exposureBins[idx] += stats_->yHistogram[blackLevelHistIdx + i]; + } + + for (unsigned int i = 0; i < kExposureBinsCount; i++) { + LOG(IPASoft, Debug) << i << ": " << exposureBins[i]; + denom += exposureBins[i]; + num += exposureBins[i] * (i + 1); + } + + float exposureMSV = static_cast<float>(num) / denom; + + /* Sanity check */ + if (!sensorControls.contains(V4L2_CID_EXPOSURE) || + !sensorControls.contains(V4L2_CID_ANALOGUE_GAIN)) { + LOG(IPASoft, Error) << "Control(s) missing"; + return; + } + + exposure_ = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>(); + int32_t again = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>(); + again_ = camHelper_ ? camHelper_->gain(again) : again; + + updateExposure(exposureMSV); + + ControlList ctrls(sensorInfoMap_); + + ctrls.set(V4L2_CID_EXPOSURE, exposure_); + ctrls.set(V4L2_CID_ANALOGUE_GAIN, + static_cast<int32_t>(camHelper_ ? camHelper_->gainCode(again_) : again_)); + + ignoreUpdates_ = 2; + + setSensorControls.emit(ctrls); + + LOG(IPASoft, Debug) << "exposureMSV " << exposureMSV + << " exp " << exposure_ << " again " << again_ + << " gain R/B " << gainR << "/" << gainB + << " black level " << static_cast<unsigned int>(blackLevel); +} + +void IPASoftSimple::updateExposure(double exposureMSV) +{ + /* + * kExpDenominator of 10 gives ~10% increment/decrement; + * kExpDenominator of 5 - about ~20% + */ + static constexpr uint8_t kExpDenominator = 10; + static constexpr uint8_t kExpNumeratorUp = kExpDenominator + 1; + static constexpr uint8_t kExpNumeratorDown = kExpDenominator - 1; + + double next; + + if (exposureMSV < kExposureOptimal - kExposureSatisfactory) { + next = exposure_ * kExpNumeratorUp / kExpDenominator; + if (next - exposure_ < 1) + exposure_ += 1; + else + exposure_ = next; + if (exposure_ >= exposureMax_) { + next = again_ * kExpNumeratorUp / kExpDenominator; + if (next - again_ < againMinStep_) + again_ += againMinStep_; + else + again_ = next; + } + } + + if (exposureMSV > kExposureOptimal + kExposureSatisfactory) { + if (exposure_ == exposureMax_ && again_ > againMin_) { + next = again_ * kExpNumeratorDown / kExpDenominator; + if (again_ - next < againMinStep_) + again_ -= againMinStep_; + else + again_ = next; + } else { + next = exposure_ * kExpNumeratorDown / kExpDenominator; + if (exposure_ - next < 1) + exposure_ -= 1; + else + exposure_ = next; + } + } + + exposure_ = std::clamp(exposure_, exposureMin_, exposureMax_); + again_ = std::clamp(again_, againMin_, againMax_); +} + +} /* namespace ipa::soft */ + +/* + * External IPA module interface + */ +extern "C" { +const struct IPAModuleInfo ipaModuleInfo = { + IPA_MODULE_API_VERSION, + 0, + "simple", + "simple", +}; + +IPAInterface *ipaCreate() +{ + return new ipa::soft::IPASoftSimple(); +} + +} /* extern "C" */ + +} /* namespace libcamera */ diff --git a/src/ipa/vimc/meson.build b/src/ipa/vimc/meson.build index 264a2d9a..d0b63edd 100644 --- a/src/ipa/vimc/meson.build +++ b/src/ipa/vimc/meson.build @@ -5,9 +5,8 @@ ipa_name = 'ipa_vimc' mod = shared_module(ipa_name, ['vimc.cpp', libcamera_generated_ipa_headers], name_prefix : '', - include_directories : [ipa_includes, libipa_includes], - dependencies : libcamera_private, - link_with : libipa, + include_directories : [ipa_includes], + dependencies : [libcamera_private, libipa_dep], install : true, install_dir : ipa_install_dir) diff --git a/src/ipa/vimc/vimc.cpp b/src/ipa/vimc/vimc.cpp index 2c255778..ebd63fa6 100644 --- a/src/ipa/vimc/vimc.cpp +++ b/src/ipa/vimc/vimc.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2019, Google Inc. * - * vimc.cpp - Vimc Image Processing Algorithm module + * Vimc Image Processing Algorithm module */ #include <libcamera/ipa/vimc_ipa_interface.h> @@ -200,7 +200,7 @@ extern "C" { const struct IPAModuleInfo ipaModuleInfo = { IPA_MODULE_API_VERSION, 0, - "PipelineHandlerVimc", + "vimc", "vimc", }; |