Show a patch.

GET /api/1.1/patches/10895/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 10895,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/10895/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/10895/",
    "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": "<20210119143711.153517-8-jacopo@jmondi.org>",
    "date": "2021-01-19T14:37:07",
    "name": "[libcamera-devel,v2,07/11] android: camera_device: Register MAX_DIGITAL_ZOOM",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "85a15e867a8b09e1e015c96fbf00c03bed0a2c39",
    "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/10895/mbox/",
    "series": [
        {
            "id": 1584,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1584/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1584",
            "date": "2021-01-19T14:37:00",
            "name": "android: Exposure times + scaler crop + android metadata",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1584/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/10895/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/10895/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 61E20BD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 19 Jan 2021 14:37:04 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2F03B6814F;\n\tTue, 19 Jan 2021 15:37:04 +0100 (CET)",
            "from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net\n\t[217.70.183.198])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 18A7B68148\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 19 Jan 2021 15:37:00 +0100 (CET)",
            "from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190]) (Authenticated sender: jacopo@jmondi.org)\n\tby relay6-d.mail.gandi.net (Postfix) with ESMTPSA id D09A0C001A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 19 Jan 2021 14:36:59 +0000 (UTC)"
        ],
        "X-Originating-IP": "93.61.96.190",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 19 Jan 2021 15:37:07 +0100",
        "Message-Id": "<20210119143711.153517-8-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.29.2",
        "In-Reply-To": "<20210119143711.153517-1-jacopo@jmondi.org>",
        "References": "<20210119143711.153517-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2 07/11] android: camera_device: Register\n\tMAX_DIGITAL_ZOOM",
        "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": "Register the ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM static metadata\ninspecting the ScalerCrop control's limits.\n\nReviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/android/camera_device.cpp | 23 ++++++++++++++++++++---\n 1 file changed, 20 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex 0484bb9a6557..14068e313f74 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -1011,9 +1011,26 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n \t}\n \n \t/* Scaler static metadata. */\n-\tfloat maxDigitalZoom = 1;\n-\tstaticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,\n-\t\t\t\t  &maxDigitalZoom, 1);\n+\t{\n+\t\t/*\n+\t\t * \\todo The digital zoom factor is a property that depends\n+\t\t * on the desired output configuration and the sensor frame size\n+\t\t * input to the ISP. This information are not available to the\n+\t\t * Android HAL, not at initialization time at least.\n+\t\t *\n+\t\t * As a workaround rely on pipeline handlers initializing the\n+\t\t * ScalerCrop control with the camera default configuration and\n+\t\t * use the maximum and minimum crop rectangles to calculate the\n+\t\t * digital zoom factor.\n+\t\t */\n+\t\tconst auto info = controlsInfo.find(&controls::ScalerCrop);\n+\t\tRectangle min = info->second.min().get<Rectangle>();\n+\t\tRectangle max = info->second.max().get<Rectangle>();\n+\t\tfloat maxZoom = std::min(1.0f * max.width / min.width,\n+\t\t\t\t\t 1.0f * max.height / min.height);\n+\t\tstaticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,\n+\t\t\t\t\t  &maxZoom, 1);\n+\t}\n \n \tstd::vector<uint32_t> availableStreamConfigurations;\n \tavailableStreamConfigurations.reserve(streamConfigurations_.size() * 4);\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "07/11"
    ]
}