From 72721611fa5d772a3a2b7cd037e38c5db13dc265 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sat, 22 Oct 2022 01:43:21 +0300 Subject: ipa: rkisp1: agc: Support raw capture Support raw capture by allowing manual control of the exposure time and analogue gain. Signed-off-by: Laurent Pinchart Reviewed-by: Paul Elder Reviewed-by: Jacopo Mondi --- src/ipa/rkisp1/algorithms/agc.cpp | 49 +++++++++++++++++++++++++-------------- src/ipa/rkisp1/algorithms/agc.h | 2 ++ 2 files changed, 34 insertions(+), 17 deletions(-) diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp index 322e837d..e3470e25 100644 --- a/src/ipa/rkisp1/algorithms/agc.cpp +++ b/src/ipa/rkisp1/algorithms/agc.cpp @@ -62,6 +62,7 @@ static constexpr double kRelativeLuminanceTarget = 0.4; Agc::Agc() : frameCount_(0), numCells_(0), numHistBins_(0), filteredExposure_(0s) { + supportsRaw_ = true; } /** @@ -81,7 +82,7 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) 10ms / context.configuration.sensor.lineDuration; context.activeState.agc.manual.gain = context.activeState.agc.automatic.gain; context.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure; - context.activeState.agc.autoEnabled = true; + context.activeState.agc.autoEnabled = !context.configuration.raw; /* * According to the RkISP1 documentation: @@ -123,12 +124,15 @@ void Agc::queueRequest(IPAContext &context, { auto &agc = context.activeState.agc; - const auto &agcEnable = controls.get(controls::AeEnable); - if (agcEnable && *agcEnable != agc.autoEnabled) { - agc.autoEnabled = *agcEnable; + if (!context.configuration.raw) { + const auto &agcEnable = controls.get(controls::AeEnable); + if (agcEnable && *agcEnable != agc.autoEnabled) { + agc.autoEnabled = *agcEnable; - LOG(RkISP1Agc, Debug) - << (agc.autoEnabled ? "Enabling" : "Disabling") << " AGC"; + LOG(RkISP1Agc, Debug) + << (agc.autoEnabled ? "Enabling" : "Disabling") + << " AGC"; + } } const auto &exposure = controls.get(controls::ExposureTime); @@ -368,6 +372,22 @@ double Agc::measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const 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()); + + /* \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()); +} + /** * \brief Process RkISP1 statistics, and run AGC operations * \param[in] context The shared IPA context @@ -383,6 +403,11 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame, IPAFrameContext &frameContext, const rkisp1_stat_buffer *stats, ControlList &metadata) { + if (!stats) { + fillMetadata(context, frameContext, metadata); + return; + } + /* * \todo Verify that the exposure and gain applied by the sensor for * this frame match what has been requested. This isn't a hard @@ -425,17 +450,7 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame, computeExposure(context, frameContext, yGain, iqMeanGain); frameCount_++; - utils::Duration exposureTime = context.configuration.sensor.lineDuration - * frameContext.sensor.exposure; - metadata.set(controls::AnalogueGain, frameContext.sensor.gain); - metadata.set(controls::ExposureTime, exposureTime.get()); - - /* \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()); + fillMetadata(context, frameContext, metadata); } REGISTER_IPA_ALGORITHM(Agc, "Agc") diff --git a/src/ipa/rkisp1/algorithms/agc.h b/src/ipa/rkisp1/algorithms/agc.h index a228d0c3..8a222637 100644 --- a/src/ipa/rkisp1/algorithms/agc.h +++ b/src/ipa/rkisp1/algorithms/agc.h @@ -44,6 +44,8 @@ private: utils::Duration filterExposure(utils::Duration exposureValue); double estimateLuminance(const rkisp1_cif_isp_ae_stat *ae, double gain); double measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const; + void fillMetadata(IPAContext &context, IPAFrameContext &frameContext, + ControlList &metadata); uint64_t frameCount_; -- cgit v1.2.1