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{
    "id": 19914,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/19914/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19914/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20240419071819.1325791-4-paul.elder@ideasonboard.com>",
    "date": "2024-04-19T07:18:19",
    "name": "[v2,3/3] ipa: rkisp1: algorithms: Add crosstalk algorithm",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "336c89bebb03dc790ac46c2ca93df2cb917a39d5",
    "submitter": {
        "id": 17,
        "url": "https://patchwork.libcamera.org/api/1.1/people/17/?format=api",
        "name": "Paul Elder",
        "email": "paul.elder@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/19914/mbox/",
    "series": [
        {
            "id": 4266,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4266/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4266",
            "date": "2024-04-19T07:18:16",
            "name": "ipa: rkisp1: Add crosstalk algorithm",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/4266/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19914/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19914/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "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 6AC7EC328D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 19 Apr 2024 07:18:44 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"tE1wndSw\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1713511072;\n\tbh=QSwAm8ceAb+leFIHovNzq6GtIwliv7JmGlDC/aNSHNU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=tE1wndSwvRrwGsAOzBowbhyIkndWLtlzvOj6KuYMMcj7DddTs6PO+Aem2AKzETO4Q\n\tSxNML5odnkm7GTaQ9tz0VgtJsEebSiWM7hEQDIyEAahiJtn2oNdMxhOWbB6n1hqkQj\n\tIjhlLnq7ORP+dhkbA+4K8Xfl204KCn8oc8wOSCZE=",
        "From": "Paul Elder <paul.elder@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Paul Elder <paul.elder@ideasonboard.com>",
        "Subject": "[PATCH v2 3/3] ipa: rkisp1: algorithms: Add crosstalk algorithm",
        "Date": "Fri, 19 Apr 2024 16:18:19 +0900",
        "Message-Id": "<20240419071819.1325791-4-paul.elder@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.39.2",
        "In-Reply-To": "<20240419071819.1325791-1-paul.elder@ideasonboard.com>",
        "References": "<20240419071819.1325791-1-paul.elder@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Add an algorithm module to the rkisp1 IPA for crosstalk correction.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\nChanges in v2:\n- rename ctk to ccm\n- reset the matrix interpolator to identity matrix if failed to read\n  from tuning file\n---\n src/ipa/rkisp1/algorithms/ccm.cpp     | 101 ++++++++++++++++++++++++++\n src/ipa/rkisp1/algorithms/ccm.h       |  41 +++++++++++\n src/ipa/rkisp1/algorithms/meson.build |   1 +\n 3 files changed, 143 insertions(+)\n create mode 100644 src/ipa/rkisp1/algorithms/ccm.cpp\n create mode 100644 src/ipa/rkisp1/algorithms/ccm.h",
    "diff": "diff --git a/src/ipa/rkisp1/algorithms/ccm.cpp b/src/ipa/rkisp1/algorithms/ccm.cpp\nnew file mode 100644\nindex 00000000..1ae6ea85\n--- /dev/null\n+++ b/src/ipa/rkisp1/algorithms/ccm.cpp\n@@ -0,0 +1,101 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2024, Ideas On Board\n+ *\n+ * ccm.cpp - RkISP1 Cross Talk Correction control algorithm\n+ */\n+\n+#include \"ccm.h\"\n+\n+#include <algorithm>\n+#include <chrono>\n+#include <cmath>\n+#include <tuple>\n+#include <vector>\n+\n+#include <libcamera/base/log.h>\n+#include <libcamera/base/utils.h>\n+\n+#include <libcamera/ipa/core_ipa_interface.h>\n+\n+#include \"libcamera/internal/yaml_parser.h\"\n+\n+#include \"libipa/matrix_interpolator.h\"\n+\n+/**\n+ * \\file ctk.h\n+ */\n+\n+namespace libcamera {\n+\n+namespace ipa::rkisp1::algorithms {\n+\n+/**\n+ * \\class Ccm\n+ * \\brief A cross talk correction algorithm\n+ */\n+\n+LOG_DEFINE_CATEGORY(RkISP1Ccm)\n+\n+int Ccm::parseYaml(const YamlObject &tuningData, const char *prop)\n+{\n+\tint ret = 0;\n+\n+\tconst YamlObject &yaml = tuningData[prop];\n+\tret = ccm_.readYaml(yaml);\n+\tif (ret < 0) {\n+\t\tLOG(RkISP1Ccm, Error)\n+\t\t\t<< \"Failed to parse '\" << prop\n+\t\t\t<< \"' parameter from tuning file; falling back to unit matrix\";\n+\t\tccm_.reset();\n+\t}\n+\n+\treturn ret;\n+}\n+\n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::init\n+ */\n+int Ccm::init([[maybe_unused]] IPAContext &context, const YamlObject &tuningData)\n+{\n+\treturn parseYaml(tuningData, \"ccms\");\n+}\n+\n+void Ccm::setParameters(rkisp1_params_cfg *params, const Matrix<double, 3, 3> &matrix)\n+{\n+\tstruct rkisp1_cif_isp_ctk_config &config = params->others.ctk_config;\n+\n+\t/*\n+\t * 4 bit integer and 7 bit fractional, ranging from -8 (0x400) to\n+\t * +7.992 (0x3FF)\n+\t */\n+\tfor (unsigned int i = 0; i < 3; i++)\n+\t\tfor (unsigned int j = 0; j < 3; j++)\n+\t\t\tconfig.coeff[i][j] =\n+\t\t\t\tutils::floatingToFixedPoint<4, 7, uint16_t, double>(matrix.get(i, j));\n+\n+\tLOG(RkISP1Ccm, Debug) << \"Setting matrix \" << matrix.toString();\n+\n+\tparams->module_en_update |= RKISP1_CIF_ISP_MODULE_CTK;\n+\tparams->module_ens |= RKISP1_CIF_ISP_MODULE_CTK;\n+\tparams->module_cfg_update |= RKISP1_CIF_ISP_MODULE_CTK;\n+}\n+\n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::prepare\n+ */\n+void Ccm::prepare(IPAContext &context, [[maybe_unused]] const uint32_t frame,\n+\t\t  [[maybe_unused]] IPAFrameContext &frameContext,\n+\t\t  rkisp1_params_cfg *params)\n+{\n+\tuint32_t ct = context.activeState.awb.temperatureK;\n+\tMatrix<double, 3, 3> ccm = ccm_.get(ct);\n+\n+\tsetParameters(params, ccm);\n+}\n+\n+REGISTER_IPA_ALGORITHM(Ccm, \"Ccm\")\n+\n+} /* namespace ipa::rkisp1::algorithms */\n+\n+} /* namespace libcamera */\ndiff --git a/src/ipa/rkisp1/algorithms/ccm.h b/src/ipa/rkisp1/algorithms/ccm.h\nnew file mode 100644\nindex 00000000..fc88e338\n--- /dev/null\n+++ b/src/ipa/rkisp1/algorithms/ccm.h\n@@ -0,0 +1,41 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2024, Ideas On Board\n+ *\n+ * ccm.h - RkISP1 Cross Talk Correction control algorithm\n+ */\n+\n+#pragma once\n+\n+#include <linux/rkisp1-config.h>\n+\n+#include \"libipa/matrix.h\"\n+#include \"libipa/matrix_interpolator.h\"\n+\n+#include \"algorithm.h\"\n+\n+namespace libcamera {\n+\n+namespace ipa::rkisp1::algorithms {\n+\n+class Ccm : public Algorithm\n+{\n+public:\n+\tCcm(){};\n+\t~Ccm() = default;\n+\n+\tint init(IPAContext &context, const YamlObject &tuningData) override;\n+\tvoid prepare(IPAContext &context, const uint32_t frame,\n+\t\t     IPAFrameContext &frameContext,\n+\t\t     rkisp1_params_cfg *params) override;\n+\n+private:\n+\tint parseYaml(const YamlObject &tuningData, const char *prop);\n+\tvoid setParameters(rkisp1_params_cfg *params, const Matrix<double, 3, 3> &matrix);\n+\n+\tMatrixInterpolator<double, 3, 3> ccm_;\n+};\n+\n+} /* namespace ipa::rkisp1::algorithms */\n+\n+} /* namespace libcamera */\ndiff --git a/src/ipa/rkisp1/algorithms/meson.build b/src/ipa/rkisp1/algorithms/meson.build\nindex 93a48329..c9891e87 100644\n--- a/src/ipa/rkisp1/algorithms/meson.build\n+++ b/src/ipa/rkisp1/algorithms/meson.build\n@@ -4,6 +4,7 @@ rkisp1_ipa_algorithms = files([\n     'agc.cpp',\n     'awb.cpp',\n     'blc.cpp',\n+    'ctk.cpp',\n     'cproc.cpp',\n     'dpcc.cpp',\n     'dpf.cpp',\n",
    "prefixes": [
        "v2",
        "3/3"
    ]
}