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{
    "id": 14701,
    "url": "https://patchwork.libcamera.org/api/patches/14701/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/14701/",
    "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": "<20211123104042.3100902-6-paul.elder@ideasonboard.com>",
    "date": "2021-11-23T10:40:40",
    "name": "[libcamera-devel,v4,5/7] android: Check exposure time range for manual sensor capability",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "014211453549352674fc19d3b7403630cd2a91d8",
    "submitter": {
        "id": 17,
        "url": "https://patchwork.libcamera.org/api/people/17/?format=api",
        "name": "Paul Elder",
        "email": "paul.elder@ideasonboard.com"
    },
    "delegate": {
        "id": 17,
        "url": "https://patchwork.libcamera.org/api/users/17/?format=api",
        "username": "epaul",
        "first_name": "Paul",
        "last_name": "Elder",
        "email": "paul.elder@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/14701/mbox/",
    "series": [
        {
            "id": 2742,
            "url": "https://patchwork.libcamera.org/api/series/2742/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2742",
            "date": "2021-11-23T10:40:35",
            "name": "android: Miscellaneous fixes",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/2742/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/14701/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/14701/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 446D5BDB13\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 23 Nov 2021 10:41:11 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C1C56603F9;\n\tTue, 23 Nov 2021 11:41:10 +0100 (CET)",
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            "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 6C08FA1B;\n\tTue, 23 Nov 2021 11:41:06 +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=\"spS3SksT\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1637664068;\n\tbh=OMfyWBDclxYp2KVuXBXDCu92O7xnEaOG5SVc6pfggOM=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=spS3SksT253nipKD7gLmzQWfyse5k/DwNZvu4JNt2FC/DW0yLRuZwCnpnL+qKByNr\n\t7QMLJZ0wT8ilKEKmUPHHhSnWDRrYBB2XeitYOH+o8BwOVj8D3dyZSRIMcQIeNsez/W\n\t7oOLfPSsoIahG1rZU4+u15Hd0n0RByype3tsnA50=",
        "From": "Paul Elder <paul.elder@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 23 Nov 2021 19:40:40 +0900",
        "Message-Id": "<20211123104042.3100902-6-paul.elder@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.27.0",
        "In-Reply-To": "<20211123104042.3100902-1-paul.elder@ideasonboard.com>",
        "References": "<20211123104042.3100902-1-paul.elder@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v4 5/7] android: Check exposure time range\n\tfor manual 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 presence\nof the exposure time range key, and for the maximum exposure time. The\nminimum exposure time is a requirement for adding the key in the first\nplace; add a check for this as well.\n\nIf either requirement is not met, the manual sensor capability\nvalidation will fail, therefore disabling the FULL hardware level. The\nexposure time range key is optional in non-FULL hardware levels.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Umang Jain <umang.jain@ideasonboard.com>\n\n---\nChanges in v4:\n- s/i32/i64\n\nChanges in v3:\n- squash \"android: capabilities: Add exposure time keys only if\n  available\"\n- fix the minumum exposure time check\n  - only make the exposure time range key available if this check\n    passes. additionally, if the max exposure time passes its check,\n    tick the box for manual sensor and FULL\n- update commit message accordingly\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---\n src/android/camera_capabilities.cpp | 33 +++++++++++++++++++++++++----\n 1 file changed, 29 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/android/camera_capabilities.cpp b/src/android/camera_capabilities.cpp\nindex 875d38da..f7397d27 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 +233,19 @@ 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.i64[1] <= 100000000) {\n+\t\tLOG(HAL, Info)\n+\t\t\t<< noMode\n+\t\t\t<< \"exposure time range maximum must be larger 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@@ -798,7 +813,6 @@ int CameraCapabilities::initializeStaticMetadata()\n \t\tANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES,\n \t\tANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,\n \t\tANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT,\n-\t\tANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,\n \t\tANDROID_SENSOR_INFO_MAX_FRAME_DURATION,\n \t\tANDROID_SENSOR_INFO_PHYSICAL_SIZE,\n \t\tANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,\n@@ -876,7 +890,6 @@ int CameraCapabilities::initializeStaticMetadata()\n \t\tANDROID_NOISE_REDUCTION_MODE,\n \t\tANDROID_REQUEST_PIPELINE_DEPTH,\n \t\tANDROID_SCALER_CROP_REGION,\n-\t\tANDROID_SENSOR_EXPOSURE_TIME,\n \t\tANDROID_SENSOR_FRAME_DURATION,\n \t\tANDROID_SENSOR_ROLLING_SHUTTER_SKEW,\n \t\tANDROID_SENSOR_TEST_PATTERN_MODE,\n@@ -1082,8 +1095,20 @@ 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-\t\tstaticMetadata_->addEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,\n-\t\t\t\t\t  exposureTimeRange, 2);\n+\n+\t\tif (exposureTimeRange[0] < 100000) {\n+\t\t\tstaticMetadata_->addEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,\n+\t\t\t\t\texposureTimeRange, 2);\n+\n+\t\t\tavailableCharacteristicsKeys_.insert(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE);\n+\t\t\tavailableRequestKeys_.insert(ANDROID_SENSOR_EXPOSURE_TIME);\n+\t\t\tavailableResultKeys_.insert(ANDROID_SENSOR_EXPOSURE_TIME);\n+\t\t} else {\n+\t\t\tLOG(HAL, Info)\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 \t}\n \n \tstaticMetadata_->addEntry(ANDROID_SENSOR_ORIENTATION, orientation_);\n",
    "prefixes": [
        "libcamera-devel",
        "v4",
        "5/7"
    ]
}