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{
    "id": 12738,
    "url": "https://patchwork.libcamera.org/api/patches/12738/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/12738/",
    "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": "<20210628202255.138874-4-jeanmichel.hautbois@ideasonboard.com>",
    "date": "2021-06-28T20:22:51",
    "name": "[libcamera-devel,v1,3/7] ipa: ipu3: Use a common IPU3 header for the constants",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "289f5225496c458dcb97f5398d416793a3aeecb5",
    "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/12738/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/12738/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/12738/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 AC442C321F\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 28 Jun 2021 20:23:05 +0000 (UTC)",
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        ],
        "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=\"PQ5knaXr\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1624911780;\n\tbh=Z1+aTxtelZoqMZmGab2uUv6Y2wd+AI/zZc5WyJunc8U=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=PQ5knaXrwVmGGoqvbAhC4+ruYb+B5oJf2Hw5WABufXOQ2I5EsIiE4tKg6PgjVgxW4\n\tTsV62sGoGvs+Otz8YYOCicSP0I90DY1DOBbk2vwXJ0Y262i6uTv5ZrA2JhDCaevFQ1\n\tLhmmsB9nxoBzES2I5HJT9Ye5sWI9t6b7F82N8T6k=",
        "From": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 28 Jun 2021 22:22:51 +0200",
        "Message-Id": "<20210628202255.138874-4-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 3/7] ipa: ipu3: Use a common IPU3\n\theader for the constants",
        "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": "Every constants used can be needed by both AWB and AGC (for the moment).\nUse a common header to simplify their usage.\n\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/ipa/ipu3/ipu3_agc.h    |  2 ++\n src/ipa/ipu3/ipu3_awb.h    | 11 ++-------\n src/ipa/ipu3/ipu3_common.h | 49 ++++++++++++++++++++++++++++++++++++++\n 3 files changed, 53 insertions(+), 9 deletions(-)\n create mode 100644 src/ipa/ipu3/ipu3_common.h",
    "diff": "diff --git a/src/ipa/ipu3/ipu3_agc.h b/src/ipa/ipu3/ipu3_agc.h\nindex 6ca9af8e..774c8385 100644\n--- a/src/ipa/ipu3/ipu3_agc.h\n+++ b/src/ipa/ipu3/ipu3_agc.h\n@@ -7,6 +7,8 @@\n #ifndef __LIBCAMERA_IPU3_AGC_H__\n #define __LIBCAMERA_IPU3_AGC_H__\n \n+#include \"ipu3_common.h\"\n+\n #include <array>\n #include <unordered_map>\n \ndiff --git a/src/ipa/ipu3/ipu3_awb.h b/src/ipa/ipu3/ipu3_awb.h\nindex 6ae111fd..f4100f4a 100644\n--- a/src/ipa/ipu3/ipu3_awb.h\n+++ b/src/ipa/ipu3/ipu3_awb.h\n@@ -7,6 +7,8 @@\n #ifndef __LIBCAMERA_IPU3_AWB_H__\n #define __LIBCAMERA_IPU3_AWB_H__\n \n+#include \"ipu3_common.h\"\n+\n #include <vector>\n \n #include <linux/intel-ipu3.h>\n@@ -34,15 +36,6 @@ public:\n \tvoid calculateWBGains(const ipu3_uapi_stats_3a *stats);\n \tvoid updateWbParameters(ipu3_uapi_params &params, double agcGamma);\n \n-\tstruct Ipu3AwbCell {\n-\t\tunsigned char greenRedAvg;\n-\t\tunsigned char redAvg;\n-\t\tunsigned char blueAvg;\n-\t\tunsigned char greenBlueAvg;\n-\t\tunsigned char satRatio;\n-\t\tunsigned char padding[3];\n-\t} __attribute__((packed));\n-\n private:\n \tvoid generateZones(std::vector<RGB> &zones);\n \tvoid generateAwbStats(const ipu3_uapi_stats_3a *stats);\ndiff --git a/src/ipa/ipu3/ipu3_common.h b/src/ipa/ipu3/ipu3_common.h\nnew file mode 100644\nindex 00000000..38ef49ce\n--- /dev/null\n+++ b/src/ipa/ipu3/ipu3_common.h\n@@ -0,0 +1,49 @@\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_IPU3_COMMON_H__\n+#define __LIBCAMERA_IPA_IPU3_COMMON_H__\n+\n+#include <stdint.h>\n+\n+namespace libcamera {\n+\n+namespace ipa {\n+\n+/* Region size for the statistics generation algorithm */\n+static constexpr uint32_t kAwbStatsSizeX = 16;\n+static constexpr uint32_t kAwbStatsSizeY = 12;\n+static constexpr uint32_t kAwbStatsSize = kAwbStatsSizeX * kAwbStatsSizeY + 1;\n+\n+static constexpr uint32_t kAgcStatsSizeX = 7;\n+static constexpr uint32_t kAgcStatsSizeY = 5;\n+static constexpr uint32_t kAgcStatsSize = kAgcStatsSizeX * kAgcStatsSizeY + 1;\n+static constexpr uint32_t kNumAgcWeightedZones = 15;\n+static constexpr double kCenteredWeights[kNumAgcWeightedZones] = { 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 };\n+static constexpr uint32_t kAgcStatsRegions[kAgcStatsSize] = {\n+\t11, 9, 9, 9, 9, 9, 12,\n+\t7, 5, 3, 3, 3, 6, 8,\n+\t7, 5, 1, 0, 2, 6, 8,\n+\t7, 5, 4, 4, 4, 6, 8,\n+\t13, 10, 10, 10, 10, 10, 14\n+};\n+\n+static constexpr uint32_t kMinGreenLevelInZone = 16;\n+\n+struct Ipu3AwbCell {\n+\tunsigned char greenRedAvg;\n+\tunsigned char redAvg;\n+\tunsigned char blueAvg;\n+\tunsigned char greenBlueAvg;\n+\tunsigned char satRatio;\n+\tunsigned char padding[3];\n+} __attribute__((packed));\n+\n+} /* namespace ipa */\n+\n+} /* namespace libcamera */\n+\n+#endif /* __LIBCAMERA_IPA_IPU3_COMMON_H__ */\n",
    "prefixes": [
        "libcamera-devel",
        "v1",
        "3/7"
    ]
}