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{
    "id": 14622,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/14622/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/14622/",
    "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": "<20211118094823.344496-1-paul.elder@ideasonboard.com>",
    "date": "2021-11-18T09:48:23",
    "name": "[libcamera-devel,v2] android: Check exposure time range for manual sensor capability",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "8f7e99727a0ac401b8b1931b01508e5e30abe8b6",
    "submitter": {
        "id": 17,
        "url": "https://patchwork.libcamera.org/api/1.1/people/17/?format=api",
        "name": "Paul Elder",
        "email": "paul.elder@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/14622/mbox/",
    "series": [
        {
            "id": 2723,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2723/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2723",
            "date": "2021-11-18T09:48:23",
            "name": "[libcamera-devel,v2] android: Check exposure time range for manual sensor capability",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/2723/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/14622/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/14622/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 37AD9BF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 18 Nov 2021 09:48:56 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E01ED6033C;\n\tThu, 18 Nov 2021 10:48:55 +0100 (CET)",
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EFD6260230\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 18 Nov 2021 10:48:54 +0100 (CET)",
            "from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 02CFF3E5;\n\tThu, 18 Nov 2021 10:48:52 +0100 (CET)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"tOom0ckt\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1637228934;\n\tbh=Q8m9QKp7h8z3kU5K1p8+fiGfiene5tHcdWlV5XgD9gQ=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=tOom0cktdqIpDPFLT9FeNFoSBBjetqfbYzOnR44KKTEgE4VVrKX4N27Kt8L5hqFvK\n\tEurvwiIkah8vWmz7yuFrEBAw/2Qe0RRWGXpS2hkbQRam339CCXyzS6XAygXtMkjBKv\n\tmQZjyXZBHy3vQ53G6MaZi4xOWM1yHTGvyYOwRemg=",
        "From": "Paul Elder <paul.elder@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 18 Nov 2021 18:48:23 +0900",
        "Message-Id": "<20211118094823.344496-1-paul.elder@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.27.0",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2] android: Check exposure time range for\n\tmanual sensor capability",
        "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": "In the manual sensor capability validator, add a check for the exposure\ntime range. While at it, since the minimum exposure time is not limited\nto the manual sensor capability, add a check for it when initializing\nstatic metadata.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n---\nChanges in v2:\n- fix comparator order (cosmetic)\n- change comparators and comments to \"equal or\", as that is what is\n  specificied in the hal docs\n- add check for minimum exposure time when initializing static metadata\n  - this only prints error, should we return -EINVAL instead?\n---\n src/android/camera_capabilities.cpp | 30 +++++++++++++++++++++++++++++\n 1 file changed, 30 insertions(+)",
    "diff": "diff --git a/src/android/camera_capabilities.cpp b/src/android/camera_capabilities.cpp\nindex f357902e..6e46f163 100644\n--- a/src/android/camera_capabilities.cpp\n+++ b/src/android/camera_capabilities.cpp\n@@ -217,6 +217,8 @@ std::vector<U> setMetadata(CameraMetadata *metadata, uint32_t tag,\n \n bool CameraCapabilities::validateManualSensorCapability()\n {\n+\tcamera_metadata_ro_entry_t entry;\n+\n \tconst char *noMode = \"Manual sensor capability unavailable: \";\n \n \tif (!staticMetadata_->entryContains<uint8_t>(ANDROID_CONTROL_AE_AVAILABLE_MODES,\n@@ -231,6 +233,26 @@ bool CameraCapabilities::validateManualSensorCapability()\n \t\treturn false;\n \t}\n \n+\tif (!staticMetadata_->hasEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE)) {\n+\t\tLOG(HAL, Info) << noMode << \"missing exposure time range\";\n+\t\treturn false;\n+\t}\n+\n+\tstaticMetadata_->getEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE, &entry);\n+\tif (entry.data.i32[0] >= 100000) {\n+\t\tLOG(HAL, Info)\n+\t\t\t<< noMode\n+\t\t\t<< \"exposure time range minimum must not be equal nor larger than 100us\";\n+\t\treturn false;\n+\t}\n+\n+\tif (entry.data.i32[1] <= 100000000) {\n+\t\tLOG(HAL, Info)\n+\t\t\t<< noMode\n+\t\t\t<< \"exposure time range maximum must not be equal nor smaller than 100ms\";\n+\t\treturn false;\n+\t}\n+\n \t/*\n \t * \\todo Return true here after we satisfy all the requirements:\n \t * https://developer.android.com/reference/android/hardware/camera2/CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR\n@@ -1074,6 +1096,14 @@ int CameraCapabilities::initializeStaticMetadata()\n \t\t\texposureInfo->second.min().get<int32_t>() * 1000LL,\n \t\t\texposureInfo->second.max().get<int32_t>() * 1000LL,\n \t\t};\n+\n+\t\tif (exposureTimeRange[0] >= 100000) {\n+\t\t\tLOG(HAL, Error)\n+\t\t\t\t<< \"Minimum exposure time \"\n+\t\t\t\t<< exposureTimeRange[0]\n+\t\t\t\t<< \"ns is too big (should be smaller than 100us)\";\n+\t\t}\n+\n \t\tstaticMetadata_->addEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,\n \t\t\t\t\t  exposureTimeRange, 2);\n \t}\n",
    "prefixes": [
        "libcamera-devel",
        "v2"
    ]
}