Show a patch.

GET /api/1.1/patches/14148/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 14148,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/14148/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/14148/",
    "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": "<20211014174208.50509-13-jacopo@jmondi.org>",
    "date": "2021-10-14T17:42:04",
    "name": "[libcamera-devel,v4,12/16] android: Filter preview streams on FPS",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "3a40a44decb1477e68edcc55890e74e84bf07151",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/14148/mbox/",
    "series": [
        {
            "id": 2628,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2628/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2628",
            "date": "2021-10-14T17:41:52",
            "name": "IPU3 control info update and HAL frame durations",
            "version": 4,
            "mbox": "https://patchwork.libcamera.org/series/2628/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/14148/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/14148/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 3A458C323E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 14 Oct 2021 17:41:41 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D3E4768F56;\n\tThu, 14 Oct 2021 19:41:40 +0200 (CEST)",
            "from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 61E5768F5A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 14 Oct 2021 19:41:38 +0200 (CEST)",
            "(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 43228FF805;\n\tThu, 14 Oct 2021 17:41:37 +0000 (UTC)"
        ],
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 14 Oct 2021 19:42:04 +0200",
        "Message-Id": "<20211014174208.50509-13-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.33.0",
        "In-Reply-To": "<20211014174208.50509-1-jacopo@jmondi.org>",
        "References": "<20211014174208.50509-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v4 12/16] android: Filter preview streams\n\ton FPS",
        "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": "Register as preview streams only streams capable of producing at least\n30 FPS.\n\nThis requirement comes from inspecting the existing HAL implementation\non Intel IPU3 platform and from inspecting the CTS RecordingTests\nresults.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\nReviewed-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Umang Jain <umang.jain@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/android/camera_capabilities.cpp | 22 ++++++++++++++++++++++\n 1 file changed, 22 insertions(+)",
    "diff": "diff --git a/src/android/camera_capabilities.cpp b/src/android/camera_capabilities.cpp\nindex 43ef2ee6ec74..bf82bbf7424e 100644\n--- a/src/android/camera_capabilities.cpp\n+++ b/src/android/camera_capabilities.cpp\n@@ -1279,6 +1279,23 @@ int CameraCapabilities::initializeStaticMetadata()\n \tstd::vector<uint32_t> availableStreamConfigurations;\n \tavailableStreamConfigurations.reserve(streamConfigurations_.size() * 4);\n \tfor (const auto &entry : streamConfigurations_) {\n+\t\t/*\n+\t\t * Filter out YUV streams not capable of running at 30 FPS.\n+\t\t *\n+\t\t * This requirement comes from CTS RecordingTest failures most\n+\t\t * probably related to a requirement of the camcoder video\n+\t\t * recording profile. Inspecting the Intel IPU3 HAL\n+\t\t * implementation confirms this but no reference has been found\n+\t\t * in the metadata documentation.\n+\t\t *\n+\t\t * Calculate FPS as CTS does: see\n+\t\t * Camera2SurfaceViewTestCase.java:getSuitableFpsRangeForDuration()\n+\t\t */\n+\t\tunsigned int fps = static_cast<unsigned int>\n+\t\t\t\t   (floor(1e9 / entry.minFrameDurationNsec + 0.05f));\n+\t\tif (entry.androidFormat != HAL_PIXEL_FORMAT_BLOB && fps < 30)\n+\t\t\tcontinue;\n+\n \t\tavailableStreamConfigurations.push_back(entry.androidFormat);\n \t\tavailableStreamConfigurations.push_back(entry.resolution.width);\n \t\tavailableStreamConfigurations.push_back(entry.resolution.height);\n@@ -1291,6 +1308,11 @@ int CameraCapabilities::initializeStaticMetadata()\n \tstd::vector<int64_t> minFrameDurations;\n \tminFrameDurations.reserve(streamConfigurations_.size() * 4);\n \tfor (const auto &entry : streamConfigurations_) {\n+\t\tunsigned int fps = static_cast<unsigned int>\n+\t\t\t\t   (floor(1e9 / entry.minFrameDurationNsec + 0.05f));\n+\t\tif (entry.androidFormat != HAL_PIXEL_FORMAT_BLOB && fps < 30)\n+\t\t\tcontinue;\n+\n \t\tminFrameDurations.push_back(entry.androidFormat);\n \t\tminFrameDurations.push_back(entry.resolution.width);\n \t\tminFrameDurations.push_back(entry.resolution.height);\n",
    "prefixes": [
        "libcamera-devel",
        "v4",
        "12/16"
    ]
}