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{
    "id": 20652,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/20652/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/20652/",
    "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": "<20240712052920.33396-5-umang.jain@ideasonboard.com>",
    "date": "2024-07-12T05:29:18",
    "name": "[RFC,4/6] libcamera: converter_v4l2_m2m: Add vertex mapping class",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": false,
    "hash": "1df433f9e5d7c7eaf6ca004ebc062d78ba6163f8",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/1.1/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/20652/mbox/",
    "series": [
        {
            "id": 4451,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4451/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4451",
            "date": "2024-07-12T05:29:14",
            "name": "converter_dw100: Add vertex map support",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4451/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/20652/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/20652/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 73305BDB1C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 12 Jul 2024 05:29:48 +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=\"vJzcLdMr\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1720762143;\n\tbh=5tqWoobuZgvPGY3SNqsGS28koWPuZHeYd+jVzUHZLds=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=vJzcLdMrPJ8FlT4vR7+r25ypRfYj8SCVrN47h0PXLgvY+Q7MUL391GpxSzQVz7Z3S\n\tfQlhJS0Bs9QML3VPg/r/RO1P5JDeKhc4vRiUtorTRWL+JNux0No3oDucQ4he5iSNgO\n\tQr/DDRHAeT1VrSQ0KOEJumH0xSOHSW1mDWwn1orE=",
        "From": "Umang Jain <umang.jain@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Xavier Roumegue <xavier.roumegue@oss.nxp.com>,\n\tUmang Jain <umang.jain@ideasonboard.com>",
        "Subject": "[RFC PATCH 4/6] libcamera: converter_v4l2_m2m: Add vertex mapping\n\tclass",
        "Date": "Fri, 12 Jul 2024 10:59:18 +0530",
        "Message-ID": "<20240712052920.33396-5-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.45.0",
        "In-Reply-To": "<20240712052920.33396-1-umang.jain@ideasonboard.com>",
        "References": "<20240712052920.33396-1-umang.jain@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 a vertex mapping protected class to V4L2M2M converter class.\nInstances of this class will store a dewarp vertex mappings along\nwith their input/output configuration.\n\nAdd a vector of Mapping class and applyMapping() helper as well,\nto apply relevant mappings to V4L2Stream. ConverterDW100 will\nuse this helper to set vertex maps, in subsequent patch.\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\n---\n .../internal/converter/converter_v4l2_m2m.h   | 20 +++++++++++++++++++\n 1 file changed, 20 insertions(+)",
    "diff": "diff --git a/include/libcamera/internal/converter/converter_v4l2_m2m.h b/include/libcamera/internal/converter/converter_v4l2_m2m.h\nindex 2697eed9..f61beef8 100644\n--- a/include/libcamera/internal/converter/converter_v4l2_m2m.h\n+++ b/include/libcamera/internal/converter/converter_v4l2_m2m.h\n@@ -61,6 +61,26 @@ public:\n \tint setCrop(const Stream *stream, Rectangle *rect);\n \tstd::pair<Rectangle, Rectangle> getCropBounds(const Stream *stream);\n \n+protected:\n+\tclass Mapping\n+\t{\n+\tpublic:\n+\t\tMapping(const Size &input, const Size &output, const std::vector<uint32_t> &map)\n+\t\t\t: input_(input), output_(output), map_(map) {}\n+\t\tSize inputSize() const { return input_; }\n+\t\tSize outputSize() const { return output_; }\n+\t\tstd::size_t size() const { return map_.size(); }\n+\t\tconst uint32_t *mapping() const { return map_.data(); }\n+\n+\tprivate:\n+\t\tSize input_;\n+\t\tSize output_;\n+\t\tstd::vector<uint32_t> map_;\n+\t};\n+\n+\tint applyMapping(const Stream *stream, Mapping &mapping);\n+\tstd::vector<Mapping> mappings_;\n+\n private:\n \tclass V4L2M2MStream : protected Loggable\n \t{\n",
    "prefixes": [
        "RFC",
        "4/6"
    ]
}