From patchwork Wed Jul 8 15:50:48 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 27314 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 85A74C3261 for ; Wed, 8 Jul 2026 15:51:28 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 755D3660E6; Wed, 8 Jul 2026 17:51:24 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="APK7YZRW"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id DEE03660AB for ; Wed, 8 Jul 2026 17:51:13 +0200 (CEST) Received: from [192.168.1.182] (93-46-82-201.ip106.fastwebnet.it [93.46.82.201]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 03FA31C94; Wed, 8 Jul 2026 17:50:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1783525824; bh=tNSoqcW8/apEIrBh9kAAY6iv6Q4lrCS2K5o5rQ0PL+Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=APK7YZRW4REhaeq3bkvaFd8ACiu/KtkkFOirtpvmH5cOV78ONikK7yg8jym2bKTn6 KkMvI/jmiMQhiqopfd/FXTa/+HmM007qVftGmM39ie71M8np6lKmTv1j33zr9Qmm2S yF6vjdA7NxQnizTTYBuVZhHFUGt287kd5ohQmxJo= From: Jacopo Mondi Date: Wed, 08 Jul 2026 17:50:48 +0200 Subject: [PATCH v5 06/36] ipa: simple: Use libipa CcmAlgorithm MIME-Version: 1.0 Message-Id: <20260708-libipa-algorithms-v5-6-0759d0359f52@ideasonboard.com> References: <20260708-libipa-algorithms-v5-0-0759d0359f52@ideasonboard.com> In-Reply-To: <20260708-libipa-algorithms-v5-0-0759d0359f52@ideasonboard.com> To: libcamera-devel@lists.libcamera.org, Stefan Klug Cc: Jacopo Mondi , Kieran Bingham , Robert Mader X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=6161; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=4RB8F20OAh55bZc/z6C6O4lhhVyZ0OlK/hVmRwh/ACo=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqTnHh17qTD58+O9TJobkLhaR+n2Lt95ZKId9sM nkoPgtATHOJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCak5x4QAKCRByNAaPFqFW PMLgEADGPS/CUeaLAsZ2YM6O9TWRNCIsqP7qDsmafXG9B33jPU0gWg8hbgFueIZoK3wsUwZE0pU L7JXNvZU1l3TV3IgFtucN90ADycJRXTG3Fyf+7SCLgyYvDu1/GfHoh3fS+xwp6Uu/HLEq06AIAf HseEbSWcNhNI/njJZHG9uPXGQ54sCcJDhUzyaXwvHttFUG4y7X9ybPH5IcJiVASJ0j6uqm5XOc7 9/4JnwAKnzLaP2W+Km6IafoM72l3ozEswyV6trWa3/UTzDv1cZZwrRaGm6xY9Ur1rJWJRIMISzc PKS+rPDu1ivX7h0L+xCnh+ATp51r9CrAEySJTsGr5bJyh4JM2aGWzRPdeI35C/FSADeyHjp7taw DloXkS3f7ASNLTvTMZoG8aWfGSQlem9IVu15SPLVy8qds52wwKhVg+o+QKQ1Bzl0voMQy68EhLI TrATh9Y1d+bzrTUYiyDnV5WFq9s7kBHTU2LBQ6pSLYrS4by6LnKCFwtYW+zB3MzoxoPFNT5DUXu a7d8R1WYaacb00dOWUoKqXq8N/i6vDb/nokdaRhTL9/ZXhdVMKG9toK0Nlf201Z9sYvolOgv6GG ZoDzko1y+s+NhSEaXLBMC/1a0QUcQz9kEq9iJkky7YEO4eV0fWdXCV9V+Rb5eANmRt2OkFMEhVZ JuO766Ymfz1Izog== X-Developer-Key: i=jacopo.mondi@ideasonboard.com; a=openpgp; fpr=72392EDC88144A65C701EA9BA5826A2587AD026B X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" From: Kieran Bingham Now that libipa provides a common CCM algorithm implementation, replace the custom handling with the common Ccm. Signed-off-by: Kieran Bingham Signed-off-by: Jacopo Mondi Tested-by: Robert Mader --- src/ipa/simple/algorithms/ccm.cpp | 72 ++++++++++++++++++++++----------------- src/ipa/simple/algorithms/ccm.h | 23 ++++++++----- src/ipa/simple/ipa_context.h | 5 +-- 3 files changed, 58 insertions(+), 42 deletions(-) diff --git a/src/ipa/simple/algorithms/ccm.cpp b/src/ipa/simple/algorithms/ccm.cpp index 1174784edc7e..c6f270825913 100644 --- a/src/ipa/simple/algorithms/ccm.cpp +++ b/src/ipa/simple/algorithms/ccm.cpp @@ -8,54 +8,64 @@ #include "ccm.h" -#include -#include - -#include - #include "libcamera/internal/matrix.h" -namespace { - -constexpr unsigned int kTemperatureThreshold = 100; - -} - namespace libcamera { namespace ipa::soft::algorithms { LOG_DEFINE_CATEGORY(IPASoftCcm) +/** + * \copydoc libcamera::ipa::Algorithm::init + */ int Ccm::init([[maybe_unused]] IPAContext &context, const ValueNode &tuningData) { - int ret = ccm_.readYaml(tuningData["ccms"], "ct", "ccm"); - if (ret < 0) { - LOG(IPASoftCcm, Error) - << "Failed to parse 'ccm' parameter from tuning file."; - return ret; - } - + /* Informs the 'adjust' component that CCM is available to apply Saturation */ context.ccmEnabled = true; - return 0; + return ccmAlgo_.init(tuningData, context.ctrlMap); } -void Ccm::prepare(IPAContext &context, [[maybe_unused]] const uint32_t frame, - IPAFrameContext &frameContext, [[maybe_unused]] DebayerParams *params) +/** + * \copydoc libcamera::ipa::Algorithm::configure + */ +int Ccm::configure(IPAContext &context, + [[maybe_unused]] const IPAConfigInfo &configInfo) { - const unsigned int ct = frameContext.awb.colourTemperature; + return ccmAlgo_.configure(context.activeState.ccm, + context.activeState.awb.automatic.colourTemperature); +} - /* Change CCM only on bigger temperature changes. */ - if (!currentCcm_ || - utils::abs_diff(ct, lastCt_) >= kTemperatureThreshold) { - currentCcm_ = ccm_.getInterpolated(ct); - lastCt_ = ct; - } +/** + * \copydoc libcamera::ipa::Algorithm::queueRequest + */ +void Ccm::queueRequest(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) +{ + /* Nothing to do here, the ccm will be calculated in prepare() */ + if (frameContext.awb.autoEnabled) + return; + ccmAlgo_.queueRequest(context.activeState.ccm, frameContext.ccm, controls); +} + +void Ccm::prepare(IPAContext &context, [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, [[maybe_unused]] DebayerParams *params) +{ + if (frameContext.awb.autoEnabled) + ccmAlgo_.prepare(context.activeState.ccm, frameContext.ccm, + frame, frameContext.awb.colourTemperature); + + /* + * \todo: Split out combined matrix into individual parameters in + * DebayerParams and perform any pre-multiplication combination in the + * SoftISP component directly. + */ context.activeState.combinedMatrix = - currentCcm_.value() * context.activeState.combinedMatrix; - frameContext.ccm = currentCcm_.value(); + frameContext.ccm.ccm * context.activeState.combinedMatrix; } void Ccm::process([[maybe_unused]] IPAContext &context, @@ -64,7 +74,7 @@ void Ccm::process([[maybe_unused]] IPAContext &context, [[maybe_unused]] const SwIspStats *stats, ControlList &metadata) { - metadata.set(controls::ColourCorrectionMatrix, frameContext.ccm.data()); + ccmAlgo_.process(frameContext.ccm, metadata); } REGISTER_IPA_ALGORITHM(Ccm, "Ccm") diff --git a/src/ipa/simple/algorithms/ccm.h b/src/ipa/simple/algorithms/ccm.h index b20a7da8aa33..0d35347ea583 100644 --- a/src/ipa/simple/algorithms/ccm.h +++ b/src/ipa/simple/algorithms/ccm.h @@ -7,13 +7,15 @@ #pragma once -#include +#include -#include "libcamera/internal/matrix.h" +#include "libcamera/internal/value_node.h" -#include +#include "libipa/ccm.h" +#include "libipa/fixedpoint.h" #include "algorithm.h" +#include "ipa_context.h" namespace libcamera { @@ -22,10 +24,15 @@ namespace ipa::soft::algorithms { class Ccm : public Algorithm { public: - Ccm() = default; - ~Ccm() = default; - int init(IPAContext &context, const ValueNode &tuningData) override; + + int configure(IPAContext &context, const IPAConfigInfo &configInfo) override; + + void queueRequest(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) override; + void prepare(IPAContext &context, const uint32_t frame, IPAFrameContext &frameContext, @@ -36,9 +43,7 @@ public: ControlList &metadata) override; private: - unsigned int lastCt_; - Interpolator> ccm_; - std::optional> currentCcm_; + CcmAlgorithm> ccmAlgo_; }; } /* namespace ipa::soft::algorithms */ diff --git a/src/ipa/simple/ipa_context.h b/src/ipa/simple/ipa_context.h index 29643a655ce1..ff312ae8f4e7 100644 --- a/src/ipa/simple/ipa_context.h +++ b/src/ipa/simple/ipa_context.h @@ -17,6 +17,7 @@ #include "libcamera/internal/vector.h" #include +#include #include #include "core_ipa_interface.h" @@ -38,6 +39,7 @@ struct IPASessionConfiguration { struct IPAActiveState { ipa::awb::ActiveState awb; + ipa::ccm::ActiveState ccm; struct { int32_t exposure; @@ -63,8 +65,7 @@ struct IPAActiveState { struct IPAFrameContext : public FrameContext { ipa::awb::FrameContext awb; - - Matrix ccm; + ipa::ccm::FrameContext ccm; struct { int32_t exposure;