Show a patch.

GET /api/patches/12737/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 12737,
    "url": "https://patchwork.libcamera.org/api/patches/12737/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/12737/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/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": "<20210628202255.138874-3-jeanmichel.hautbois@ideasonboard.com>",
    "date": "2021-06-28T20:22:50",
    "name": "[libcamera-devel,v1,2/7] ipa: libipa: Create a common ISP header to store the structure types",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "2662caeb6da98cd3002cceb0338cccc8d842d8b7",
    "submitter": {
        "id": 75,
        "url": "https://patchwork.libcamera.org/api/people/75/?format=api",
        "name": "Jean-Michel Hautbois",
        "email": "jeanmichel.hautbois@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/12737/mbox/",
    "series": [
        {
            "id": 2190,
            "url": "https://patchwork.libcamera.org/api/series/2190/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2190",
            "date": "2021-06-28T20:22:48",
            "name": "ipa: Introduce a new open AGC",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2190/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/12737/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/12737/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 DE526C321F\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 28 Jun 2021 20:23:04 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 11FC7684DF;\n\tMon, 28 Jun 2021 22:23:04 +0200 (CEST)",
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2C82360508\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 28 Jun 2021 22:23:00 +0200 (CEST)",
            "from tatooine.ideasonboard.com (unknown\n\t[IPv6:2a01:e0a:169:7140:c3ad:78d0:405e:fc33])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id BF575E1A;\n\tMon, 28 Jun 2021 22:22:59 +0200 (CEST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"E+AhN7OK\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1624911779;\n\tbh=xkdDA1ZOoupVOv9QCvdpZOzjk0vdTtZMgVmltEckeRU=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=E+AhN7OKSh4n3qHi+lYvPn3rbxS0TnIXDFuEKOzrvogrMyxMD4c7BX8ut186F8+bU\n\t3a8CybOvYwz63Wnx5XIYrPisKIxm60tYgObEJtNBPSZvfToAgTZF/nvBVLrM61Ctgi\n\t+/dkCrbVOvRYo+bJ96z3+HwC2mZ7hI5DvFlhIg1s=",
        "From": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 28 Jun 2021 22:22:50 +0200",
        "Message-Id": "<20210628202255.138874-3-jeanmichel.hautbois@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.30.2",
        "In-Reply-To": "<20210628202255.138874-1-jeanmichel.hautbois@ideasonboard.com>",
        "References": "<20210628202255.138874-1-jeanmichel.hautbois@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v1 2/7] ipa: libipa: Create a common ISP\n\theader to store the structure types",
        "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": "Each ISP may use the same AWB or AGC algorithms. In order to avoid\nduplicated code, create a header with the main structures used for now.\n\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/ipa/ipu3/ipu3_agc.h |   1 +\n src/ipa/ipu3/ipu3_awb.h |  30 +----------\n src/ipa/libipa/isp.h    | 110 ++++++++++++++++++++++++++++++++++++++++\n 3 files changed, 112 insertions(+), 29 deletions(-)\n create mode 100644 src/ipa/libipa/isp.h",
    "diff": "diff --git a/src/ipa/ipu3/ipu3_agc.h b/src/ipa/ipu3/ipu3_agc.h\nindex 3deca3ae..6ca9af8e 100644\n--- a/src/ipa/ipu3/ipu3_agc.h\n+++ b/src/ipa/ipu3/ipu3_agc.h\n@@ -17,6 +17,7 @@\n #include <libcamera/geometry.h>\n \n #include \"libipa/algorithm.h\"\n+#include \"libipa/isp.h\"\n \n namespace libcamera {\n \ndiff --git a/src/ipa/ipu3/ipu3_awb.h b/src/ipa/ipu3/ipu3_awb.h\nindex 122cf68c..6ae111fd 100644\n--- a/src/ipa/ipu3/ipu3_awb.h\n+++ b/src/ipa/ipu3/ipu3_awb.h\n@@ -14,6 +14,7 @@\n #include <libcamera/geometry.h>\n \n #include \"libipa/algorithm.h\"\n+#include \"libipa/isp.h\"\n \n namespace libcamera {\n \n@@ -42,35 +43,6 @@ public:\n \t\tunsigned char padding[3];\n \t} __attribute__((packed));\n \n-\t/* \\todo Make these three structs available to all the ISPs ? */\n-\tstruct RGB {\n-\t\tRGB(double _R = 0, double _G = 0, double _B = 0)\n-\t\t\t: R(_R), G(_G), B(_B)\n-\t\t{\n-\t\t}\n-\t\tdouble R, G, B;\n-\t\tRGB &operator+=(RGB const &other)\n-\t\t{\n-\t\t\tR += other.R, G += other.G, B += other.B;\n-\t\t\treturn *this;\n-\t\t}\n-\t};\n-\n-\tstruct IspStatsRegion {\n-\t\tunsigned int counted;\n-\t\tunsigned int uncounted;\n-\t\tunsigned long long rSum;\n-\t\tunsigned long long gSum;\n-\t\tunsigned long long bSum;\n-\t};\n-\n-\tstruct AwbStatus {\n-\t\tdouble temperatureK;\n-\t\tdouble redGain;\n-\t\tdouble greenGain;\n-\t\tdouble blueGain;\n-\t};\n-\n private:\n \tvoid generateZones(std::vector<RGB> &zones);\n \tvoid generateAwbStats(const ipu3_uapi_stats_3a *stats);\ndiff --git a/src/ipa/libipa/isp.h b/src/ipa/libipa/isp.h\nnew file mode 100644\nindex 00000000..a15803d6\n--- /dev/null\n+++ b/src/ipa/libipa/isp.h\n@@ -0,0 +1,110 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+/*\n+ * Copyright (C) 2021, Ideas On Board\n+ *\n+ * isp.h - ISP statistics interface\n+ */\n+#ifndef __LIBCAMERA_IPA_LIBIPA_ISP_H__\n+#define __LIBCAMERA_IPA_LIBIPA_ISP_H__\n+\n+namespace libcamera {\n+\n+namespace ipa {\n+/**\n+ * \\struct RGB\n+ * \\brief RGB\n+ *\n+ * \\fn RGB::RGB\n+ * \\brief Construct a RGB structure\n+ * \\param[in] _R Red value to set, defaults to 0\n+ * \\param[in] _G Green value to set, defaults to 0\n+ * \\param[in] _B Blue value to set, defaults to 0\n+ *\n+ * \\var RGB::R\n+ * \\brief Red value of the RGB structure\n+ *\n+ * \\var RGB::G\n+ * \\brief Green value of the RGB structure\n+ *\n+ * \\var RGB::B\n+ * \\brief Blue value of the RGB structure\n+ *\n+ * \\fn RGB &RGB::operator+=(RGB const &other)\n+ * \\brief Add each RGB value to another RGB structure\n+ * \\param[in] other An RGB structure\n+ * \\return An RGB structure containing the added R, G and B values\n+ */\n+struct RGB {\n+\tRGB(double _R = 0, double _G = 0, double _B = 0)\n+\t\t: R(_R), G(_G), B(_B)\n+\t{\n+\t}\n+\tdouble R, G, B;\n+\tRGB &operator+=(RGB const &other)\n+\t{\n+\t\tR += other.R, G += other.G, B += other.B;\n+\t\treturn *this;\n+\t}\n+};\n+\n+/**\n+ * \\struct IspStatsRegion\n+ * \\brief RGB statistics for a given region\n+ *\n+ * The IspStatsRegion structure is intended to abstract the ISP specific\n+ * statistics and use an agnostic algorithm to compute AWB.\n+ *\n+ * \\var IspStatsRegion::counted\n+ * \\brief Number of pixels used to calculate the sums\n+ *\n+ * \\var IspStatsRegion::uncounted\n+ * \\brief Remaining number of pixels in the region\n+ *\n+ * \\var IspStatsRegion::rSum\n+ * \\brief Sum of the red values in the region\n+ *\n+ * \\var IspStatsRegion::gSum\n+ * \\brief Sum of the green values in the region\n+ *\n+ * \\var IspStatsRegion::bSum\n+ * \\brief Sum of the blue values in the region\n+ */\n+struct IspStatsRegion {\n+\tunsigned int counted;\n+\tunsigned int uncounted;\n+\tunsigned long long rSum;\n+\tunsigned long long gSum;\n+\tunsigned long long bSum;\n+};\n+\n+/**\n+ * \\struct AwbStatus\n+ * \\brief AWB parameters calculated\n+ *\n+ * The AwbStatus structure is intended to store the AWB\n+ * parameters calculated by the algorithm\n+ *\n+ * \\var AwbStatus::temperatureK\n+ * \\brief Color temperature calculated\n+ *\n+ * \\var AwbStatus::redGain\n+ * \\brief Gain calculated for the red channel\n+ *\n+ * \\var AwbStatus::greenGain\n+ * \\brief Gain calculated for the green channel\n+ *\n+ * \\var AwbStatus::blueGain\n+ * \\brief Gain calculated for the blue channel\n+ */\n+struct AwbStatus {\n+\tdouble temperatureK;\n+\tdouble redGain;\n+\tdouble greenGain;\n+\tdouble blueGain;\n+};\n+\n+} /* namespace ipa */\n+\n+} /* namespace libcamera */\n+\n+#endif /* __LIBCAMERA_IPA_LIBIPA_ISP_H__ */\n",
    "prefixes": [
        "libcamera-devel",
        "v1",
        "2/7"
    ]
}