Show a cover letter.

GET /api/covers/3626/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 3626,
    "url": "https://patchwork.libcamera.org/api/covers/3626/?format=api",
    "web_url": "https://patchwork.libcamera.org/cover/3626/",
    "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": "<20200430030723.8908-1-laurent.pinchart@ideasonboard.com>",
    "date": "2020-04-30T03:07:17",
    "name": "[libcamera-devel,v2,0/6] libcamera: Improve conversion between DRM and V4L2 formats",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/cover/3626/mbox/",
    "series": [
        {
            "id": 858,
            "url": "https://patchwork.libcamera.org/api/series/858/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=858",
            "date": "2020-04-30T03:07:17",
            "name": "libcamera: Improve conversion between DRM and V4L2 formats",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/858/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/covers/3626/comments/",
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "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 17674603F7\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 30 Apr 2020 05:07:28 +0200 (CEST)",
            "from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 7CDA2503\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 30 Apr 2020 05:07:27 +0200 (CEST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"K8zhP+qi\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1588216047;\n\tbh=DTl0YdX/p30WQypBaNy7dQ46WyEb0R5TJTZYKPSFIm8=;\n\th=From:To:Subject:Date:From;\n\tb=K8zhP+qityARD/4WAmXk2j4yue8FpOEShhhvDfE557J4JjzF9uqElEF1E9lXq3G6O\n\tWKA4zFx/AaTUrJG5H9aj9qgYKRnYIdS4ESXUCIq5iojt89Hz3rIDEW7WWSx4pvmBUC\n\t9BJ3p5aN0FqekOkDxOG+214avfkoYycbSPfc/H3w=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 30 Apr 2020 06:07:17 +0300",
        "Message-Id": "<20200430030723.8908-1-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.25.3",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 0/6] libcamera: Improve conversion\n\tbetween DRM and V4L2 formats",
        "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>",
        "X-List-Received-Date": "Thu, 30 Apr 2020 03:07:28 -0000"
    },
    "content": "Hello,\n\nThis small series improves conversion between DRM and V4L2 formats, and\nadds initial support for format information in the libcamera core shared\nbetween pipeline handlers.\n\nPatch 1/6 starts by moving the V4L2PixelFormat class to a separate file,\nwithout modifying the code. Patch 2/6 then moves format conversion from\nV4L2VideoDevice to V4L2PixelFormat, and patch 3/6 replaces the big\nswitch-case's with std::map.\n\nPatch 4/6 further rework V4L2PixelFormat by splitting the\nPixelFormatInfo class out and exposing it as an internal API. Patch 5/6\nadds Bayer formats support to both PixelFormatInfo and V4L2PixelFormat.\nPath 6/6 finally adds additional data to PixelFormatInfo.\n\nLaurent Pinchart (6):\n  libcamera: v4l2_pixelformat: Move V4L2PixelFormat to a new file\n  libcamera: v4l2_pixelformat: Move DRM/V4L2 format conversion\n  libcamera: v4l2_pixelformat: Use maps to convert between DRM and V4L2\n  libcamera: formats: Expose PixelFormatInfo as an internal API\n  libcamera: formats: Add support for 8-, 10- and 12-bit Bayer formats\n  libcamera: formats: Add additional data to PixelFormatInfo\n\n src/libcamera/formats.cpp                    | 335 +++++++++++++++++++\n src/libcamera/include/formats.h              |  24 ++\n src/libcamera/include/meson.build            |   1 +\n src/libcamera/include/v4l2_pixelformat.h     |  49 +++\n src/libcamera/include/v4l2_videodevice.h     |  27 +-\n src/libcamera/meson.build                    |   1 +\n src/libcamera/pipeline/uvcvideo/uvcvideo.cpp |   2 +-\n src/libcamera/v4l2_pixelformat.cpp           | 209 ++++++++++++\n src/libcamera/v4l2_videodevice.cpp           | 224 +------------\n test/libtest/buffer_source.cpp               |   4 +-\n 10 files changed, 625 insertions(+), 251 deletions(-)\n create mode 100644 src/libcamera/include/v4l2_pixelformat.h\n create mode 100644 src/libcamera/v4l2_pixelformat.cpp"
}