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{
    "id": 13793,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/13793/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/13793/",
    "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": "<20210909135449.68017-6-jeanmichel.hautbois@ideasonboard.com>",
    "date": "2021-09-09T13:54:49",
    "name": "[libcamera-devel,v6,5/5] ipa: ipu3: awb: Make the naming consistent",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "20f46aa1247de360fca1e0c4662969e413b64159",
    "submitter": {
        "id": 75,
        "url": "https://patchwork.libcamera.org/api/1.1/people/75/?format=api",
        "name": "Jean-Michel Hautbois",
        "email": "jeanmichel.hautbois@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/13793/mbox/",
    "series": [
        {
            "id": 2508,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2508/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2508",
            "date": "2021-09-09T13:54:44",
            "name": "Move and improve AWB structures",
            "version": 6,
            "mbox": "https://patchwork.libcamera.org/series/2508/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/13793/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/13793/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 4488ABDB1D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu,  9 Sep 2021 13:55:00 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E1A2269179;\n\tThu,  9 Sep 2021 15:54:59 +0200 (CEST)",
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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=\"nZW8qNQu\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1631195694;\n\tbh=6J+lMhFZi8TE/AV+xB1YgdHE096t06sor6UQb+0IQNI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=nZW8qNQuvpoc1pVtn6H3yf/z1Me2qrqOXtfhxHpRfGku+Be2Da6nH2zASlam8PSD7\n\tba71rSrWdUZKolsWxwYRdR12OycRkanxRKcK/yInAgEdouEw/LEBhoPQ2uqrrSxtVE\n\tTi5T2KS23B93sW74FCkRvgtq8XUnY5yNHz8KAVbU=",
        "From": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu,  9 Sep 2021 15:54:49 +0200",
        "Message-Id": "<20210909135449.68017-6-jeanmichel.hautbois@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.30.2",
        "In-Reply-To": "<20210909135449.68017-1-jeanmichel.hautbois@ideasonboard.com>",
        "References": "<20210909135449.68017-1-jeanmichel.hautbois@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v6 5/5] ipa: ipu3: awb: Make the naming\n\tconsistent",
        "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": "The variables mix the terms cell, region and zone. It can confuse the\nreader, and make the algorithm more difficult to follow.\n\nRename the local variables consistent with their definitions:\n- Cells are defined in Pixels\n- Zones are defined in Cells\n\nTheir is no \"region\" as such, so replace it with the correct term.\n\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/ipa/ipu3/algorithms/awb.cpp | 22 +++++++++++-----------\n 1 file changed, 11 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp\nindex cf97208f..fd68b359 100644\n--- a/src/ipa/ipu3/algorithms/awb.cpp\n+++ b/src/ipa/ipu3/algorithms/awb.cpp\n@@ -222,30 +222,30 @@ void Awb::generateZones(std::vector<RGB> &zones)\n void Awb::generateAwbStats(const ipu3_uapi_stats_3a *stats,\n \t\t\t   const ipu3_uapi_grid_config &grid)\n {\n-\tuint32_t regionWidth = round(grid.width / static_cast<double>(kAwbStatsSizeX));\n-\tuint32_t regionHeight = round(grid.height / static_cast<double>(kAwbStatsSizeY));\n+\tuint32_t cellWidth = round(grid.width / static_cast<double>(kAwbStatsSizeX));\n+\tuint32_t cellHeight = round(grid.height / static_cast<double>(kAwbStatsSizeY));\n \n \t/*\n \t * Generate a (kAwbStatsSizeX x kAwbStatsSizeY) array from the IPU3 grid which is\n \t * (grid.width x grid.height).\n \t */\n-\tfor (unsigned int j = 0; j < kAwbStatsSizeY * regionHeight; j++) {\n-\t\tfor (unsigned int i = 0; i < kAwbStatsSizeX * regionWidth; i++) {\n+\tfor (unsigned int j = 0; j < kAwbStatsSizeY * cellHeight; j++) {\n+\t\tfor (unsigned int i = 0; i < kAwbStatsSizeX * cellWidth; i++) {\n \t\t\tuint32_t cellPosition = j * grid.width + i;\n-\t\t\tuint32_t cellX = (cellPosition / regionWidth) % kAwbStatsSizeX;\n-\t\t\tuint32_t cellY = ((cellPosition / grid.width) / regionHeight) % kAwbStatsSizeY;\n+\t\t\tuint32_t cellX = (cellPosition / cellWidth) % kAwbStatsSizeX;\n+\t\t\tuint32_t cellY = ((cellPosition / grid.width) / cellHeight) % kAwbStatsSizeY;\n \n-\t\t\tuint32_t awbRegionPosition = cellY * kAwbStatsSizeX + cellX;\n+\t\t\tuint32_t awbZonePosition = cellY * kAwbStatsSizeX + cellX;\n \n \t\t\t/* Cast the initial IPU3 structure to simplify the reading */\n \t\t\tconst ipu3_uapi_awb_set_item *currentCell = &stats->awb_raw_buffer.meta_data[cellPosition];\n \t\t\tif (currentCell->sat_ratio == 0) {\n \t\t\t\t/* The cell is not saturated, use the current cell */\n-\t\t\t\tawbStats_[awbRegionPosition].counted++;\n+\t\t\t\tawbStats_[awbZonePosition].counted++;\n \t\t\t\tuint32_t greenValue = currentCell->Gr_avg + currentCell->Gb_avg;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.green += greenValue / 2;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.red += currentCell->R_avg;\n-\t\t\t\tawbStats_[awbRegionPosition].sum.blue += currentCell->B_avg;\n+\t\t\t\tawbStats_[awbZonePosition].sum.green += greenValue / 2;\n+\t\t\t\tawbStats_[awbZonePosition].sum.red += currentCell->R_avg;\n+\t\t\t\tawbStats_[awbZonePosition].sum.blue += currentCell->B_avg;\n \t\t\t}\n \t\t}\n \t}\n",
    "prefixes": [
        "libcamera-devel",
        "v6",
        "5/5"
    ]
}