{"id":17855,"url":"https://patchwork.libcamera.org/api/patches/17855/?format=json","web_url":"https://patchwork.libcamera.org/patch/17855/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20221124025133.17875-5-laurent.pinchart@ideasonboard.com>","date":"2022-11-24T02:51:28","name":"[libcamera-devel,v4,4/9] ipa: rkisp1: Add support for manual gain and exposure","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"cdf19dd894a1c5d9d5380f17b2ba1689567c2d03","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/17855/mbox/","series":[{"id":3634,"url":"https://patchwork.libcamera.org/api/series/3634/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3634","date":"2022-11-24T02:51:24","name":"Add Bayer format support for RkISP1","version":4,"mbox":"https://patchwork.libcamera.org/series/3634/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/17855/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/17855/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 2C83BC3286\n\tfor ;\n\tThu, 24 Nov 2022 02:51:58 +0000 (UTC)","from lancelot.ideasonboard.com (localhost 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t=1669258315;\n\tbh=AvK98lEHmZhXRJ/k3wkhLy85q2ewWwDf1lrRQ8IukCc=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=cuk0GJ20gVrqC170Ayl8jdyjBU61TiuylynHIP6Zv49hnu+Bvxl7FOi9now+3l5q/\n\tS9Uqsdnc1qup4ewdgo/X/TjC/e+LrDQY0j/RkAhN/JvPHnwvv19K6qoAlgEC1khQwb\n\tJprZ506NEagRS9Tzx5laGHknuIgywGsN92chJoBY="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"cuk0GJ20\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 24 Nov 2022 04:51:28 +0200","Message-Id":"<20221124025133.17875-5-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.37.4","In-Reply-To":"<20221124025133.17875-1-laurent.pinchart@ideasonboard.com>","References":"<20221124025133.17875-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v4 4/9] ipa: rkisp1: Add support for\n\tmanual gain and exposure","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Laurent Pinchart via libcamera-devel\n\t","Reply-To":"Laurent Pinchart ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"From: Paul Elder \n\nAdd support for manual gain and exposure in the rkisp1 IPA.\n\nSigned-off-by: Paul Elder \nReviewed-by: Laurent Pinchart \nSigned-off-by: Laurent Pinchart \n---\nChanges since v3:\n\n- Convert exposure and gain V4L2 controls limits to libcamera values\n- Convert exposure control from duration to lines in AGC\n- Initialize lineDuration in init()\n- Small fixes in debug messages\n- Drop unnecessary curly braces\n- Use std::piecewise_construct\n---\n src/ipa/rkisp1/algorithms/agc.cpp | 63 +++++++++++++++++++++++++++----\n src/ipa/rkisp1/algorithms/agc.h | 4 ++\n src/ipa/rkisp1/ipa_context.h | 13 ++++++-\n src/ipa/rkisp1/rkisp1.cpp | 25 ++++++++++++\n 4 files changed, 96 insertions(+), 9 deletions(-)","diff":"diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp\nindex 169afe372803..ccbcd4a9583d 100644\n--- a/src/ipa/rkisp1/algorithms/agc.cpp\n+++ b/src/ipa/rkisp1/algorithms/agc.cpp\n@@ -74,9 +74,14 @@ Agc::Agc()\n int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo)\n {\n \t/* Configure the default exposure and gain. */\n-\tcontext.activeState.agc.gain = std::max(context.configuration.sensor.minAnalogueGain,\n-\t\t\t\t\t\tkMinAnalogueGain);\n-\tcontext.activeState.agc.exposure = 10ms / context.configuration.sensor.lineDuration;\n+\tcontext.activeState.agc.automatic.gain =\n+\t\tstd::max(context.configuration.sensor.minAnalogueGain,\n+\t\t\t kMinAnalogueGain);\n+\tcontext.activeState.agc.automatic.exposure =\n+\t\t10ms / context.configuration.sensor.lineDuration;\n+\tcontext.activeState.agc.manual.gain = context.activeState.agc.automatic.gain;\n+\tcontext.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure;\n+\tcontext.activeState.agc.autoEnabled = true;\n \n \t/*\n \t * According to the RkISP1 documentation:\n@@ -108,14 +113,58 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo)\n \treturn 0;\n }\n \n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::queueRequest\n+ */\n+void Agc::queueRequest(IPAContext &context,\n+\t\t [[maybe_unused]] const uint32_t frame,\n+\t\t IPAFrameContext &frameContext,\n+\t\t const ControlList &controls)\n+{\n+\tauto &agc = context.activeState.agc;\n+\n+\tconst auto &agcEnable = controls.get(controls::AeEnable);\n+\tif (agcEnable && *agcEnable != agc.autoEnabled) {\n+\t\tagc.autoEnabled = *agcEnable;\n+\n+\t\tLOG(RkISP1Agc, Debug)\n+\t\t\t<< (agc.autoEnabled ? \"Enabling\" : \"Disabling\") << \" AGC\";\n+\t}\n+\n+\tconst auto &exposure = controls.get(controls::ExposureTime);\n+\tif (exposure && !agc.autoEnabled) {\n+\t\tagc.manual.exposure = *exposure * 1.0us\n+\t\t\t\t / context.configuration.sensor.lineDuration;\n+\n+\t\tLOG(RkISP1Agc, Debug)\n+\t\t\t<< \"Set exposure to \" << agc.manual.exposure;\n+\t}\n+\n+\tconst auto &gain = controls.get(controls::AnalogueGain);\n+\tif (gain && !agc.autoEnabled) {\n+\t\tagc.manual.gain = *gain;\n+\n+\t\tLOG(RkISP1Agc, Debug) << \"Set gain to \" << agc.manual.gain;\n+\t}\n+\n+\tframeContext.agc.autoEnabled = agc.autoEnabled;\n+\n+\tif (!frameContext.agc.autoEnabled) {\n+\t\tframeContext.agc.exposure = agc.manual.exposure;\n+\t\tframeContext.agc.gain = agc.manual.gain;\n+\t}\n+}\n+\n /**\n * \\copydoc libcamera::ipa::Algorithm::prepare\n */\n void Agc::prepare(IPAContext &context, const uint32_t frame,\n \t\t IPAFrameContext &frameContext, rkisp1_params_cfg *params)\n {\n-\tframeContext.agc.exposure = context.activeState.agc.exposure;\n-\tframeContext.agc.gain = context.activeState.agc.gain;\n+\tif (frameContext.agc.autoEnabled) {\n+\t\tframeContext.agc.exposure = context.activeState.agc.automatic.exposure;\n+\t\tframeContext.agc.gain = context.activeState.agc.automatic.gain;\n+\t}\n \n \tif (frame > 0)\n \t\treturn;\n@@ -263,8 +312,8 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext,\n \t\t\t << stepGain;\n \n \t/* Update the estimated exposure and gain. */\n-\tactiveState.agc.exposure = shutterTime / configuration.sensor.lineDuration;\n-\tactiveState.agc.gain = stepGain;\n+\tactiveState.agc.automatic.exposure = shutterTime / configuration.sensor.lineDuration;\n+\tactiveState.agc.automatic.gain = stepGain;\n }\n \n /**\ndiff --git a/src/ipa/rkisp1/algorithms/agc.h b/src/ipa/rkisp1/algorithms/agc.h\nindex da4d2d4e8359..a228d0c37768 100644\n--- a/src/ipa/rkisp1/algorithms/agc.h\n+++ b/src/ipa/rkisp1/algorithms/agc.h\n@@ -26,6 +26,10 @@ public:\n \t~Agc() = default;\n \n \tint configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;\n+\tvoid queueRequest(IPAContext &context,\n+\t\t\t const uint32_t frame,\n+\t\t\t IPAFrameContext &frameContext,\n+\t\t\t const ControlList &controls) override;\n \tvoid prepare(IPAContext &context, const uint32_t frame,\n \t\t IPAFrameContext &frameContext,\n \t\t rkisp1_params_cfg *params) override;\ndiff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h\nindex 3e47ac663c58..b9b2065328d6 100644\n--- a/src/ipa/rkisp1/ipa_context.h\n+++ b/src/ipa/rkisp1/ipa_context.h\n@@ -54,8 +54,16 @@ struct IPASessionConfiguration {\n \n struct IPAActiveState {\n \tstruct {\n-\t\tuint32_t exposure;\n-\t\tdouble gain;\n+\t\tstruct {\n+\t\t\tuint32_t exposure;\n+\t\t\tdouble gain;\n+\t\t} manual;\n+\t\tstruct {\n+\t\t\tuint32_t exposure;\n+\t\t\tdouble gain;\n+\t\t} automatic;\n+\n+\t\tbool autoEnabled;\n \t} agc;\n \n \tstruct {\n@@ -96,6 +104,7 @@ struct IPAFrameContext : public FrameContext {\n \tstruct {\n \t\tuint32_t exposure;\n \t\tdouble gain;\n+\t\tbool autoEnabled;\n \t} agc;\n \n \tstruct {\ndiff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp\nindex 6ac29df8ec8d..76e818d2d11e 100644\n--- a/src/ipa/rkisp1/rkisp1.cpp\n+++ b/src/ipa/rkisp1/rkisp1.cpp\n@@ -158,6 +158,9 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision,\n \t\treturn -ENODEV;\n \t}\n \n+\tcontext_.configuration.sensor.lineDuration = sensorInfo.minLineLength\n+\t\t\t\t\t\t * 1.0s / sensorInfo.pixelRate;\n+\n \t/* Load the tuning data file. */\n \tFile file(settings.configurationFile);\n \tif (!file.open(File::OpenModeFlag::ReadOnly)) {\n@@ -377,6 +380,28 @@ void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo,\n {\n \tControlInfoMap::Map ctrlMap = rkisp1Controls;\n \n+\t/*\n+\t * Compute exposure time limits from the V4L2_CID_EXPOSURE control\n+\t * limits and the line duration.\n+\t */\n+\tdouble lineDuration = context_.configuration.sensor.lineDuration.get();\n+\tconst ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;\n+\tint32_t minExposure = v4l2Exposure.min().get() * lineDuration;\n+\tint32_t maxExposure = v4l2Exposure.max().get() * lineDuration;\n+\tint32_t defExposure = v4l2Exposure.def().get() * lineDuration;\n+\tctrlMap.emplace(std::piecewise_construct,\n+\t\t\tstd::forward_as_tuple(&controls::ExposureTime),\n+\t\t\tstd::forward_as_tuple(minExposure, maxExposure, defExposure));\n+\n+\t/* Compute the analogue gain limits. */\n+\tconst ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;\n+\tfloat minGain = camHelper_->gain(v4l2Gain.min().get());\n+\tfloat maxGain = camHelper_->gain(v4l2Gain.max().get());\n+\tfloat defGain = camHelper_->gain(v4l2Gain.def().get());\n+\tctrlMap.emplace(std::piecewise_construct,\n+\t\t\tstd::forward_as_tuple(&controls::AnalogueGain),\n+\t\t\tstd::forward_as_tuple(minGain, maxGain, defGain));\n+\n \t/*\n \t * Compute the frame duration limits.\n \t *\n","prefixes":["libcamera-devel","v4","4/9"]}