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{
    "id": 10752,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/10752/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/10752/",
    "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": "<20201228164003.53051-3-jacopo@jmondi.org>",
    "date": "2020-12-28T16:40:00",
    "name": "[libcamera-devel,v2,2/5] libcamera: bayer_format: Add support for mbus codes",
    "commit_ref": "1c0096d7517afca568e642dac6ffce894a5098fb",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "2e008971e6d83f84c653205306a9e3057ecd3d64",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": {
        "id": 15,
        "url": "https://patchwork.libcamera.org/api/1.1/users/15/?format=api",
        "username": "jmondi",
        "first_name": "Jacopo",
        "last_name": "Mondi",
        "email": "jacopo@jmondi.org"
    },
    "mbox": "https://patchwork.libcamera.org/patch/10752/mbox/",
    "series": [
        {
            "id": 1556,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1556/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1556",
            "date": "2020-12-28T16:39:58",
            "name": "android: support ColorFilterArrangement property",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1556/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/10752/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/10752/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 37CA0C0F1A\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 28 Dec 2020 16:39:57 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 15868615B2;\n\tMon, 28 Dec 2020 17:39:56 +0100 (CET)",
            "from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net\n\t[217.70.183.193])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 68765615B0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 28 Dec 2020 17:39:54 +0100 (CET)",
            "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay1-d.mail.gandi.net (Postfix) with ESMTPSA id A911924000C;\n\tMon, 28 Dec 2020 16:39:53 +0000 (UTC)"
        ],
        "X-Originating-IP": "2.224.242.101",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 28 Dec 2020 17:40:00 +0100",
        "Message-Id": "<20201228164003.53051-3-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.29.2",
        "In-Reply-To": "<20201228164003.53051-1-jacopo@jmondi.org>",
        "References": "<20201228164003.53051-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2 2/5] libcamera: bayer_format: Add\n\tsupport for mbus codes",
        "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>",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "base64",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The existing implementation of the BayerFormat class supports\nconverting a V4L2PixelFormat to a BayerFormat and vice-versa.\n\nExpand the class by adding support for converting a media bus code\nto a BayerFormat instance, by providing a conversion table and a\ndedicated static methods.\n\nDo not provide support for converting a BayerFormat to a media bus code\nas there's no 1-to-1 mapping between the two.\n\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n include/libcamera/internal/bayer_format.h |  1 +\n src/libcamera/bayer_format.cpp            | 55 +++++++++++++++++++++++\n 2 files changed, 56 insertions(+)",
    "diff": "diff --git a/include/libcamera/internal/bayer_format.h b/include/libcamera/internal/bayer_format.h\nindex 4280b76b016f..dc86f6ee3aca 100644\n--- a/include/libcamera/internal/bayer_format.h\n+++ b/include/libcamera/internal/bayer_format.h\n@@ -43,6 +43,7 @@ public:\n \t}\n \n \texplicit BayerFormat(V4L2PixelFormat v4l2Format);\n+\tstatic const BayerFormat &fromMbusCode(unsigned int mbusCode);\n \tbool isValid() const { return bitDepth != 0; }\n \n \tstd::string toString() const;\ndiff --git a/src/libcamera/bayer_format.cpp b/src/libcamera/bayer_format.cpp\nindex c42792ff1948..a6a40be0571d 100644\n--- a/src/libcamera/bayer_format.cpp\n+++ b/src/libcamera/bayer_format.cpp\n@@ -8,6 +8,9 @@\n #include \"libcamera/internal/bayer_format.h\"\n \n #include <map>\n+#include <unordered_map>\n+\n+#include <linux/media-bus-format.h>\n \n #include <libcamera/transform.h>\n \n@@ -140,6 +143,41 @@ const std::map<BayerFormat, V4L2PixelFormat, BayerFormatComparator> bayerToV4l2{\n \t{ { BayerFormat::RGGB, 16, BayerFormat::None }, V4L2PixelFormat(V4L2_PIX_FMT_SRGGB16) },\n };\n \n+const std::unordered_map<unsigned int, BayerFormat> mbusCodeToBayer{\n+\t{ MEDIA_BUS_FMT_SBGGR8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, { BayerFormat::BGGR, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, { BayerFormat::GBRG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, { BayerFormat::GRBG, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, { BayerFormat::RGGB, 8, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR10_1X10, { BayerFormat::BGGR, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG10_1X10, { BayerFormat::GBRG, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG10_1X10, { BayerFormat::GRBG, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB10_1X10, { BayerFormat::RGGB, 10, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR12_1X12, { BayerFormat::BGGR, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG12_1X12, { BayerFormat::GBRG, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG12_1X12, { BayerFormat::GRBG, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB12_1X12, { BayerFormat::RGGB, 12, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR14_1X14, { BayerFormat::BGGR, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG14_1X14, { BayerFormat::GBRG, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG14_1X14, { BayerFormat::GRBG, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB14_1X14, { BayerFormat::RGGB, 14, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SBGGR16_1X16, { BayerFormat::BGGR, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGBRG16_1X16, { BayerFormat::GBRG, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SGRBG16_1X16, { BayerFormat::GRBG, 16, BayerFormat::None } },\n+\t{ MEDIA_BUS_FMT_SRGGB16_1X16, { BayerFormat::RGGB, 16, BayerFormat::None } },\n+};\n+\n } /* namespace */\n \n /**\n@@ -169,6 +207,23 @@ BayerFormat::BayerFormat(V4L2PixelFormat v4l2Format)\n \t\t*this = it->second;\n }\n \n+/**\n+ * \\brief Retrieve the BayerFormat associated with a media bus code\n+ * \\param[in] mbusCode The media bus code to convert into a BayerFormat\n+ *\n+ * The media bus code numeric identifiers are defined by the V4L2 specification.\n+ */\n+const BayerFormat &BayerFormat::fromMbusCode(unsigned int mbusCode)\n+{\n+\tstatic BayerFormat empty;\n+\n+\tconst auto it = mbusCodeToBayer.find(mbusCode);\n+\tif (it == mbusCodeToBayer.end())\n+\t\treturn empty;\n+\telse\n+\t\treturn it->second;\n+}\n+\n /**\n  * \\fn BayerFormat::isValid()\n  * \\brief Return whether a BayerFormat is valid\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "2/5"
    ]
}