libcamera/vivid.git - libcamera pipeline handler for VIVID

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Diffstat (limited to 'utils/ipc/mojo/README')

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/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2019, Google Inc. * * rkisp1.cpp - RkISP1 Image Processing Algorithms */ #include <algorithm> #include <math.h> #include <queue> #include <stdint.h> #include <string.h> #include <linux/rkisp1-config.h> #include <linux/v4l2-controls.h> #include <libcamera/base/file.h> #include <libcamera/base/log.h> #include <libcamera/control_ids.h> #include <libcamera/framebuffer.h> #include <libcamera/ipa/ipa_interface.h> #include <libcamera/ipa/ipa_module_info.h> #include <libcamera/ipa/rkisp1_ipa_interface.h> #include <libcamera/request.h> #include "libcamera/internal/mapped_framebuffer.h" #include "libcamera/internal/yaml_parser.h" #include "algorithms/algorithm.h" #include "libipa/camera_sensor_helper.h" #include "ipa_context.h" namespace libcamera { LOG_DEFINE_CATEGORY(IPARkISP1) using namespace std::literals::chrono_literals; namespace ipa::rkisp1 { /* Maximum number of frame contexts to be held */ static constexpr uint32_t kMaxFrameContexts = 16; class IPARkISP1 : public IPARkISP1Interface, public Module { public: IPARkISP1(); int init(const IPASettings &settings, unsigned int hwRevision, ControlInfoMap *ipaControls) override; int start() override; void stop() override; int configure(const IPACameraSensorInfo &info, const std::map<uint32_t, IPAStream> &streamConfig, const std::map<uint32_t, ControlInfoMap> &entityControls) override; void mapBuffers(const std::vector<IPABuffer> &buffers) override; void unmapBuffers(const std::vector<unsigned int> &ids) override; void queueRequest(const uint32_t frame, const ControlList &controls) override; void fillParamsBuffer(const uint32_t frame, const uint32_t bufferId) override; void processStatsBuffer(const uint32_t frame, const uint32_t bufferId, const ControlList &sensorControls) override; protected: std::string logPrefix() const override; private: void setControls(unsigned int frame); void prepareMetadata(unsigned int frame, unsigned int aeState); std::map<unsigned int, FrameBuffer> buffers_; std::map<unsigned int, MappedFrameBuffer> mappedBuffers_; ControlInfoMap ctrls_; /* revision-specific data */ rkisp1_cif_isp_version hwRevision_; unsigned int hwHistBinNMax_; unsigned int hwGammaOutMaxSamples_; unsigned int hwHistogramWeightGridsSize_; /* Interface to the Camera Helper */ std::unique_ptr<CameraSensorHelper> camHelper_; /* Local parameter storage */ struct IPAContext context_; }; namespace { /* List of controls handled by the RkISP1 IPA */ 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) }, { &controls::Contrast, ControlInfo(0.0f, 1.993f) }, { &controls::Saturation, ControlInfo(0.0f, 1.993f) }, { &controls::Sharpness, ControlInfo(0.0f, 10.0f, 1.0f) }, { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) }, }; } /* namespace */ IPARkISP1::IPARkISP1() : context_({ {}, {}, { kMaxFrameContexts } }) { } std::string IPARkISP1::logPrefix() const { return "rkisp1"; } int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision, ControlInfoMap *ipaControls) { /* \todo Add support for other revisions */ switch (hwRevision) { case RKISP1_V10: hwHistBinNMax_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10; hwGammaOutMaxSamples_ = RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10; hwHistogramWeightGridsSize_ = RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10; break; case RKISP1_V12: hwHistBinNMax_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12; hwGammaOutMaxSamples_ = RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12; hwHistogramWeightGridsSize_ = RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12; break; default: LOG(IPARkISP1, Error) << "Hardware revision " << hwRevision << " is currently not supported"; return -ENODEV; } LOG(IPARkISP1, Debug) << "Hardware revision is " << hwRevision; /* Cache the value to set it in configure. */ hwRevision_ = static_cast<rkisp1_cif_isp_version>(hwRevision); camHelper_ = CameraSensorHelperFactory::create(settings.sensorModel); if (!camHelper_) { LOG(IPARkISP1, Error) << "Failed to create camera sensor helper for " << settings.sensorModel; return -ENODEV; } /* Load the tuning data file. */ File file(settings.configurationFile); if (!file.open(File::OpenModeFlag::ReadOnly)) { int ret = file.error(); LOG(IPARkISP1, 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; unsigned int version = (*data)["version"].get<uint32_t>(0); if (version != 1) { LOG(IPARkISP1, Error) << "Invalid tuning file version " << version; return -EINVAL; } if (!data->contains("algorithms")) { LOG(IPARkISP1, Error) << "Tuning file doesn't contain any algorithm"; return -EINVAL; } int ret = createAlgorithms(context_, (*data)["algorithms"]); if (ret) return ret; /* Return the controls handled by the IPA. */ ControlInfoMap::Map ctrlMap = rkisp1Controls; *ipaControls = ControlInfoMap(std::move(ctrlMap), controls::controls); return 0; } int IPARkISP1::start() { setControls(0); return 0; } void IPARkISP1::stop() { context_.frameContexts.clear(); } /** * \todo The RkISP1 pipeline currently provides an empty IPACameraSensorInfo * if the connected sensor does not provide enough information to properly * assemble one. Make sure the reported sensor information are relevant * before accessing them. */ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info, [[maybe_unused]] const std::map<uint32_t, IPAStream> &streamConfig, const std::map<uint32_t, ControlInfoMap> &entityControls) { if (entityControls.empty()) return -EINVAL; ctrls_ = entityControls.at(0); const auto itExp = ctrls_.find(V4L2_CID_EXPOSURE); if (itExp == ctrls_.end()) { LOG(IPARkISP1, Error) << "Can't find exposure control"; return -EINVAL; } const auto itGain = ctrls_.find(V4L2_CID_ANALOGUE_GAIN); if (itGain == ctrls_.end()) { LOG(IPARkISP1, Error) << "Can't find gain control"; return -EINVAL; } int32_t minExposure = itExp->second.min().get<int32_t>(); int32_t maxExposure = itExp->second.max().get<int32_t>(); int32_t minGain = itGain->second.min().get<int32_t>(); int32_t maxGain = itGain->second.max().get<int32_t>(); LOG(IPARkISP1, Info) << "Exposure: " << minExposure << "-" << maxExposure << " Gain: " << minGain << "-" << maxGain; /* Clear the IPA context before the streaming session. */ context_.configuration = {}; context_.activeState = {}; context_.frameContexts.clear(); /* Set the hardware revision for the algorithms. */ context_.configuration.hw.revision = hwRevision_; context_.configuration.sensor.size = info.outputSize; context_.configuration.sensor.lineDuration = info.lineLength * 1.0s / info.pixelRate; /* * When the AGC computes the new exposure values for a frame, it needs * to know the limits for shutter speed and analogue gain. * As it depends on the sensor, update it with the controls. * * \todo take VBLANK into account for maximum shutter speed */ context_.configuration.agc.minShutterSpeed = minExposure * context_.configuration.sensor.lineDuration; context_.configuration.agc.maxShutterSpeed = maxExposure * context_.configuration.sensor.lineDuration; context_.configuration.agc.minAnalogueGain = camHelper_->gain(minGain); context_.configuration.agc.maxAnalogueGain = camHelper_->gain(maxGain); for (auto const &algo : algorithms()) { int ret = algo->configure(context_, info); if (ret) return ret; } return 0; } void IPARkISP1::mapBuffers(const std::vector<IPABuffer> &buffers) { for (const IPABuffer &buffer : buffers) { auto elem = buffers_.emplace(std::piecewise_construct, std::forward_as_tuple(buffer.id), std::forward_as_tuple(buffer.planes)); const FrameBuffer &fb = elem.first->second; MappedFrameBuffer mappedBuffer(&fb, MappedFrameBuffer::MapFlag::ReadWrite);


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