diff --git a/src/ipa/rpi/controller/decompand_status.h b/src/ipa/rpi/controller/decompand_status.h new file mode 100644 index 000000000..2d9888dca --- /dev/null +++ b/src/ipa/rpi/controller/decompand_status.h @@ -0,0 +1,8 @@ +#pragma once + +#include "libipa/pwl.h" + +struct DecompandStatus { + uint32_t bitdepth; + libcamera::ipa::Pwl decompandCurve; +}; diff --git a/src/ipa/rpi/controller/meson.build b/src/ipa/rpi/controller/meson.build index dde4ac127..bdc53e3b9 100644 --- a/src/ipa/rpi/controller/meson.build +++ b/src/ipa/rpi/controller/meson.build @@ -14,6 +14,7 @@ rpi_ipa_controller_sources = files([ 'rpi/cac.cpp', 'rpi/ccm.cpp', 'rpi/contrast.cpp', + 'rpi/decompand.cpp', 'rpi/denoise.cpp', 'rpi/dpc.cpp', 'rpi/geq.cpp', diff --git a/src/ipa/rpi/controller/rpi/decompand.cpp b/src/ipa/rpi/controller/rpi/decompand.cpp new file mode 100644 index 000000000..911b04bc0 --- /dev/null +++ b/src/ipa/rpi/controller/rpi/decompand.cpp @@ -0,0 +1,58 @@ +#include "decompand.h" + +#include + +#include "../decompand_status.h" +#include "../histogram.h" + +using namespace RPiController; +using namespace libcamera; + +LOG_DEFINE_CATEGORY(RPiDecompand) + +#define NAME "rpi.decompand" + +Decompand::Decompand(Controller *controller) + : Algorithm(controller) +{ +} + +char const *Decompand::name() const +{ + return NAME; +} + +int Decompand::read(const libcamera::YamlObject ¶ms) +{ + config_.bitdepth = params["bitdepth"].get(0); + config_.decompandCurve = params["decompand_curve"].get(ipa::Pwl{}); + return config_.decompandCurve.empty() ? -EINVAL : 0; +} + +void Decompand::initialise() +{ +} + +void Decompand::switchMode([[maybe_unused]] CameraMode const &cameraMode, + [[maybe_unused]] Metadata *metadata) +{ + mode_ = cameraMode; +} + +void Decompand::prepare(Metadata *imageMetadata) +{ + DecompandStatus decompandStatus; + + if (config_.bitdepth == 0 || mode_.bitdepth == config_.bitdepth) { + decompandStatus.decompandCurve = config_.decompandCurve; + imageMetadata->set("decompand.status", decompandStatus); + } +} + +/* Register algorithm with the system. */ +static Algorithm *create(Controller *controller) +{ + return (Algorithm *)new Decompand(controller); +} + +static RegisterAlgorithm reg(NAME, &create); diff --git a/src/ipa/rpi/controller/rpi/decompand.h b/src/ipa/rpi/controller/rpi/decompand.h new file mode 100644 index 000000000..17a40e0b4 --- /dev/null +++ b/src/ipa/rpi/controller/rpi/decompand.h @@ -0,0 +1,30 @@ +#pragma once + +#include +#include "algorithm.h" + +#include "../decompand_status.h" + +namespace RPiController { + +struct DecompandConfig { + uint32_t bitdepth; + libcamera::ipa::Pwl decompandCurve; +}; + +class Decompand : public Algorithm +{ +public: + Decompand(Controller *controller = NULL); + char const *name() const override; + int read(const libcamera::YamlObject ¶ms) override; + void initialise() override; + void switchMode(CameraMode const &cameraMode, Metadata *metadata) override; + void prepare(Metadata *imageMetadata) override; + +private: + CameraMode mode_; + DecompandConfig config_; +}; + +} /* namespace RPiController */ diff --git a/src/ipa/rpi/pisp/data/imx585.json b/src/ipa/rpi/pisp/data/imx585.json new file mode 100644 index 000000000..f2be20a3c --- /dev/null +++ b/src/ipa/rpi/pisp/data/imx585.json @@ -0,0 +1,980 @@ +{ + "version": 2.0, + "target": "pisp", + "algorithms": [ + { + "rpi.black_level": + { + "black_level": 3072 + } + }, + { + "rpi.decompand": + { + "bitdepth": 12, + "decompand_curve": + [ + 0, 0, + 3072, 3072, + 19456, 4096, + 41984, 15360, + 43008, 17408 + ] + } + }, + { + "rpi.lux": + { + "reference_shutter_speed": 6384, + "reference_gain": 1.0, + "reference_aperture": 1.0, + "reference_lux": 935, + "reference_Y": 11637 + } + }, + { + "rpi.dpc": + { + "strength": 1 + } + }, + { + "rpi.noise": + { + "reference_constant": 12, + "reference_slope": 3.568 + } + }, + { + "rpi.geq": + { + "offset": 192, + "slope": 0.00812 + } + }, + { + "rpi.denoise": 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"channel_map": + { + "night": 3 + }, + "tonemap_enable": 1, + "tonemap": + [ + 0, 0, + 5000, 20000, + 10000, 30000, + 20000, 47000, + 30000, 55000, + 65535, 65535 + ] + } + } + } + ] +} \ No newline at end of file diff --git a/src/ipa/rpi/pisp/pisp.cpp b/src/ipa/rpi/pisp/pisp.cpp index bb50a9e05..7378cb8b6 100644 --- a/src/ipa/rpi/pisp/pisp.cpp +++ b/src/ipa/rpi/pisp/pisp.cpp @@ -31,6 +31,7 @@ #include "controller/cac_status.h" #include "controller/ccm_status.h" #include "controller/contrast_status.h" +#include "controller/decompand_status.h" #include "controller/denoise_algorithm.h" #include "controller/denoise_status.h" #include "controller/dpc_status.h" @@ -112,6 +113,27 @@ int generateLut(const ipa::Pwl &pwl, uint32_t *lut, std::size_t lutSize, return 0; } +int generateDecompandLut(const ipa::Pwl &pwl, uint16_t *lut, std::size_t lutSize = 65) +{ + if (pwl.empty()) + return -EINVAL; + + constexpr int step = 1024; + for (std::size_t i = 0; i < lutSize; ++i) { + int x = i * step; + if (x > 65535) + x = 65535; + + int y = pwl.eval(x); + if (y < 0) + return -1; + + lut[i] = static_cast(std::min(y, 65535)); + } + + return 0; +} + void packLscLut(uint32_t packed[NumLscVertexes][NumLscVertexes], double const rgb[3][NumLscVertexes][NumLscVertexes]) { @@ -234,6 +256,7 @@ class IpaPiSP final : public IpaBase void applyLensShading(const AlscStatus *alscStatus, pisp_be_global_config &global); void applyDPC(const DpcStatus *dpcStatus, pisp_be_global_config &global); + void applyDecompand(const DecompandStatus *decompandStatus); void applySdn(const SdnStatus *sdnStatus, pisp_be_global_config &global); void applyTdn(const TdnStatus *tdnStatus, const DeviceStatus *deviceStatus, pisp_be_global_config &global); @@ -350,6 +373,11 @@ void IpaPiSP::platformPrepareIsp([[maybe_unused]] const PrepareParams ¶ms, if (noiseStatus) applyFocusStats(noiseStatus); + DecompandStatus *decompandStatus = + rpiMetadata.getLocked("decompand.status"); + if (decompandStatus) + applyDecompand(decompandStatus); + BlackLevelStatus *blackLevelStatus = rpiMetadata.getLocked("black_level.status"); if (blackLevelStatus) @@ -668,6 +696,20 @@ void IpaPiSP::applyDPC(const DpcStatus *dpcStatus, pisp_be_global_config &global be_->SetDpc(dpc); } +void IpaPiSP::applyDecompand(const DecompandStatus *decompandStatus) +{ + pisp_fe_global_config feGlobal; + pisp_fe_decompand_config decompand = {}; + + fe_->GetGlobal(feGlobal); + + if (!generateDecompandLut(decompandStatus->decompandCurve, decompand.lut, PISP_FE_DECOMPAND_LUT_SIZE)) { + fe_->SetDecompand(decompand); + feGlobal.enables |= PISP_FE_ENABLE_DECOMPAND; + fe_->SetGlobal(feGlobal); + } +} + void IpaPiSP::applySdn(const SdnStatus *sdnStatus, pisp_be_global_config &global) { pisp_be_sdn_config sdn = {};