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{ "id": 12143, "url": "https://patchwork.libcamera.org/api/patches/12143/?format=api", "web_url": "https://patchwork.libcamera.org/patch/12143/", "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": "<20210430160026.190724-5-jacopo@jmondi.org>", "date": "2021-04-30T16:00:14", "name": "[libcamera-devel,v4,04/16] libcamera: controls: Destage 'SensorTimestamp'", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "e146ec054d6597c6bbcd9b8f3ddba525c23bb069", "submitter": { "id": 3, "url": "https://patchwork.libcamera.org/api/people/3/?format=api", "name": "Jacopo Mondi", "email": "jacopo@jmondi.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/12143/mbox/", "series": [ { "id": 1990, "url": "https://patchwork.libcamera.org/api/series/1990/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1990", "date": "2021-04-30T16:00:10", "name": "Support SensorTimestamp metadata", "version": 4, "mbox": "https://patchwork.libcamera.org/series/1990/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/12143/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/12143/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 D08F6BDE4D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 30 Apr 2021 15:59:55 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9A0B168917;\n\tFri, 30 Apr 2021 17:59:55 +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 15F2468918\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 30 Apr 2021 17:59:52 +0200 (CEST)", "from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190]) (Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 175D0FF80B;\n\tFri, 30 Apr 2021 15:59:50 +0000 (UTC)" ], "X-Originating-IP": "93.61.96.190", "From": "Jacopo Mondi <jacopo@jmondi.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 30 Apr 2021 18:00:14 +0200", "Message-Id": "<20210430160026.190724-5-jacopo@jmondi.org>", "X-Mailer": "git-send-email 2.31.1", "In-Reply-To": "<20210430160026.190724-1-jacopo@jmondi.org>", "References": "<20210430160026.190724-1-jacopo@jmondi.org>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v4 04/16] libcamera: controls: Destage\n\t'SensorTimestamp'", "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=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Destage the 'SensorTimestamp' control, which is used by pipeline\nhandlers to report the time when the first active line of the sensor's\npixel array is exposed.\n\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Hirokazu Honda <hiroh@chromium.org>\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/control_ids.yaml | 21 ++++++++++++++-------\n 1 file changed, 14 insertions(+), 7 deletions(-)", "diff": "diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml\nindex b4771f9def89..88d81ac4cccc 100644\n--- a/src/libcamera/control_ids.yaml\n+++ b/src/libcamera/control_ids.yaml\n@@ -360,6 +360,20 @@ controls:\n \n size: [2]\n \n+ - SensorTimestamp:\n+ type: int64_t\n+ description: |\n+ The time when the first row of the image sensor active array is exposed.\n+\n+ The timestamp, expressed in nanoseconds, represents a monotonically\n+ increasing counter since the system boot time, as defined by the\n+ Linux-specific CLOCK_BOOTTIME clock id.\n+\n+ The SensorTimestamp control can only be returned in metadata.\n+\n+ \\todo Define how the sensor timestamp has to be used in the reprocessing\n+ use case.\n+\n # ----------------------------------------------------------------------------\n # Draft controls section\n \n@@ -547,13 +561,6 @@ controls:\n value: 3\n description: The AWB algorithm is locked.\n \n- - SensorTimestamp:\n- type: int64_t\n- draft: true\n- description: |\n- Control to report the start of exposure of the first row of the captured\n- image. Currently identical to ANDROID_SENSOR_TIMESTAMP.\n-\n - SensorRollingShutterSkew:\n type: int64_t\n draft: true\n", "prefixes": [ "libcamera-devel", "v4", "04/16" ] }