From patchwork Wed Nov 20 14:27:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Klug X-Patchwork-Id: 22037 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 20051C330C for ; Wed, 20 Nov 2024 14:28:34 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id AF90265F75; Wed, 20 Nov 2024 15:28:33 +0100 (CET) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="G3FeR7lV"; 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 EAB4A65F64 for ; Wed, 20 Nov 2024 15:28:28 +0100 (CET) Received: from ideasonboard.com (unknown [IPv6:2a00:6020:448c:6c00:bbd:82cc:f3f3:e12e]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C131D75A; Wed, 20 Nov 2024 15:28:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1732112890; bh=diTts7IBj3aer3sivmN+Zae7t14LNmJMyazAivBc/PY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G3FeR7lVw1no5OooInHDt+X/xUilOtFnyTJQOfEpVgLhy00YUOIInQ8CHzvfwqe+2 kGyzFapuR32iGUEINQM3rp8XPV8Antaq8mgjCrts/jYfKTVTO3l1hGQ2Ff4DGL31ze uGKrdrUVCIDjyQUurWS1O4eVkVzG6Ds/IK7EhzkE= From: Stefan Klug To: libcamera-devel@lists.libcamera.org Cc: Stefan Klug , Laurent Pinchart Subject: [PATCH v3 6/9] ipa: rpi: ccm: Replace local matrix implementation with the one from libcamera Date: Wed, 20 Nov 2024 15:27:53 +0100 Message-ID: <20241120142807.2093301-7-stefan.klug@ideasonboard.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241120142807.2093301-1-stefan.klug@ideasonboard.com> References: <20241120142807.2093301-1-stefan.klug@ideasonboard.com> MIME-Version: 1.0 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" The RaspberryPi IPA contains a private Matrix3x3 class inside the ccm algorithm. Replace it with the Matrix class available in libcamera/internal. While at it, mark the matrices RGB2Y and Y2RGB as static const. Signed-off-by: Stefan Klug Reviewed-by: Laurent Pinchart Acked-by: Naushir Patuck --- Changes in v3: - Collected tags - Reformatted matrices - Tested on actual device --- src/ipa/rpi/controller/rpi/ccm.cpp | 59 ++++++++++-------------------- src/ipa/rpi/controller/rpi/ccm.h | 35 +----------------- 2 files changed, 22 insertions(+), 72 deletions(-) diff --git a/src/ipa/rpi/controller/rpi/ccm.cpp b/src/ipa/rpi/controller/rpi/ccm.cpp index 7f63f3fdb702..8607f1521b5a 100644 --- a/src/ipa/rpi/controller/rpi/ccm.cpp +++ b/src/ipa/rpi/controller/rpi/ccm.cpp @@ -29,34 +29,7 @@ LOG_DEFINE_CATEGORY(RPiCcm) #define NAME "rpi.ccm" -Matrix3x3::Matrix3x3() -{ - memset(m, 0, sizeof(m)); -} -Matrix3x3::Matrix3x3(double m0, double m1, double m2, double m3, double m4, double m5, - double m6, double m7, double m8) -{ - m[0][0] = m0, m[0][1] = m1, m[0][2] = m2, m[1][0] = m3, m[1][1] = m4, - m[1][2] = m5, m[2][0] = m6, m[2][1] = m7, m[2][2] = m8; -} -int Matrix3x3::read(const libcamera::YamlObject ¶ms) -{ - double *ptr = (double *)m; - - if (params.size() != 9) { - LOG(RPiCcm, Error) << "Wrong number of values in CCM"; - return -EINVAL; - } - - for (const auto ¶m : params.asList()) { - auto value = param.get(); - if (!value) - return -EINVAL; - *ptr++ = *value; - } - - return 0; -} +using Matrix3x3 = Matrix; Ccm::Ccm(Controller *controller) : CcmAlgorithm(controller), saturation_(1.0) {} @@ -68,8 +41,6 @@ char const *Ccm::name() const int Ccm::read(const libcamera::YamlObject ¶ms) { - int ret; - if (params.contains("saturation")) { config_.saturation = params["saturation"].get(ipa::Pwl{}); if (config_.saturation.empty()) @@ -83,9 +54,12 @@ int Ccm::read(const libcamera::YamlObject ¶ms) CtCcm ctCcm; ctCcm.ct = *value; - ret = ctCcm.ccm.read(p["ccm"]); - if (ret) - return ret; + + auto ccm = p["ccm"].get(); + if (!ccm) + return -EINVAL; + + ctCcm.ccm = *ccm; if (!config_.ccms.empty() && ctCcm.ct <= config_.ccms.back().ct) { LOG(RPiCcm, Error) @@ -143,11 +117,18 @@ Matrix3x3 calculateCcm(std::vector const &ccms, double ct) Matrix3x3 applySaturation(Matrix3x3 const &ccm, double saturation) { - Matrix3x3 RGB2Y(0.299, 0.587, 0.114, -0.169, -0.331, 0.500, 0.500, -0.419, - -0.081); - Matrix3x3 Y2RGB(1.000, 0.000, 1.402, 1.000, -0.345, -0.714, 1.000, 1.771, - 0.000); - Matrix3x3 S(1, 0, 0, 0, saturation, 0, 0, 0, saturation); + static const Matrix3x3 RGB2Y({ 0.299, 0.587, 0.114, + -0.169, -0.331, 0.500, + 0.500, -0.419, -0.081 }); + + static const Matrix3x3 Y2RGB({ 1.000, 0.000, 1.402, + 1.000, -0.345, -0.714, + 1.000, 1.771, 0.000 }); + + Matrix3x3 S({ 1, 0, 0, + 0, saturation, 0, + 0, 0, saturation }); + return Y2RGB * S * RGB2Y * ccm; } @@ -181,7 +162,7 @@ void Ccm::prepare(Metadata *imageMetadata) for (int j = 0; j < 3; j++) for (int i = 0; i < 3; i++) ccmStatus.matrix[j * 3 + i] = - std::max(-8.0, std::min(7.9999, ccm.m[j][i])); + std::max(-8.0, std::min(7.9999, ccm[j][i])); LOG(RPiCcm, Debug) << "colour temperature " << awb.temperatureK << "K"; LOG(RPiCcm, Debug) diff --git a/src/ipa/rpi/controller/rpi/ccm.h b/src/ipa/rpi/controller/rpi/ccm.h index 8e7f9616c2ab..c05dbb17a264 100644 --- a/src/ipa/rpi/controller/rpi/ccm.h +++ b/src/ipa/rpi/controller/rpi/ccm.h @@ -8,6 +8,7 @@ #include +#include "libcamera/internal/matrix.h" #include #include "../ccm_algorithm.h" @@ -16,41 +17,9 @@ namespace RPiController { /* Algorithm to calculate colour matrix. Should be placed after AWB. */ -struct Matrix3x3 { - Matrix3x3(double m0, double m1, double m2, double m3, double m4, double m5, - double m6, double m7, double m8); - Matrix3x3(); - double m[3][3]; - int read(const libcamera::YamlObject ¶ms); -}; -static inline Matrix3x3 operator*(double d, Matrix3x3 const &m) -{ - return Matrix3x3(m.m[0][0] * d, m.m[0][1] * d, m.m[0][2] * d, - m.m[1][0] * d, m.m[1][1] * d, m.m[1][2] * d, - m.m[2][0] * d, m.m[2][1] * d, m.m[2][2] * d); -} -static inline Matrix3x3 operator*(Matrix3x3 const &m1, Matrix3x3 const &m2) -{ - Matrix3x3 m; - for (int i = 0; i < 3; i++) - for (int j = 0; j < 3; j++) - m.m[i][j] = m1.m[i][0] * m2.m[0][j] + - m1.m[i][1] * m2.m[1][j] + - m1.m[i][2] * m2.m[2][j]; - return m; -} -static inline Matrix3x3 operator+(Matrix3x3 const &m1, Matrix3x3 const &m2) -{ - Matrix3x3 m; - for (int i = 0; i < 3; i++) - for (int j = 0; j < 3; j++) - m.m[i][j] = m1.m[i][j] + m2.m[i][j]; - return m; -} - struct CtCcm { double ct; - Matrix3x3 ccm; + libcamera::Matrix ccm; }; struct CcmConfig {