{"id":11861,"url":"https://patchwork.libcamera.org/api/1.1/patches/11861/?format=json","web_url":"https://patchwork.libcamera.org/patch/11861/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20210407160644.58326-2-jacopo@jmondi.org>","date":"2021-04-07T16:06:42","name":"[libcamera-devel,1/3] libcamera: controls: Destage 'SensorTimestamp'","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"53ddda0682e37214ad428312f92486f72a457f74","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/11861/mbox/","series":[{"id":1902,"url":"https://patchwork.libcamera.org/api/1.1/series/1902/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1902","date":"2021-04-07T16:06:41","name":"libcamera: Add sensor timestamp support","version":1,"mbox":"https://patchwork.libcamera.org/series/1902/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/11861/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/11861/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 85F27BD1F6\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  7 Apr 2021 16:06:16 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 39389687D3;\n\tWed,  7 Apr 2021 18:06:16 +0200 (CEST)","from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net\n\t[217.70.183.196])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 194D1687A1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  7 Apr 2021 18:06:14 +0200 (CEST)","from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 825D6E0004;\n\tWed,  7 Apr 2021 16:06:13 +0000 (UTC)"],"X-Originating-IP":"93.34.118.233","From":"Jacopo Mondi <jacopo@jmondi.org>","To":"libcamera-devel@lists.libcamera.org","Date":"Wed,  7 Apr 2021 18:06:42 +0200","Message-Id":"<20210407160644.58326-2-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.31.1","In-Reply-To":"<20210407160644.58326-1-jacopo@jmondi.org>","References":"<20210407160644.58326-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 1/3] 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\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..f025819aedfd 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+        The timestamp represents a monotonically increasing counter since the\n+        system boot time expressed in nanoseconds.\n+\n+        Pipeline handlers set this control in a completed Request metadata to\n+        allow application to compute the sensor's frame period duration by\n+        comparing consecutive capture results.\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","1/3"]}