{"id":25916,"url":"https://patchwork.libcamera.org/api/1.1/patches/25916/?format=json","web_url":"https://patchwork.libcamera.org/patch/25916/","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":"<20260121173737.376113-9-kieran.bingham@ideasonboard.com>","date":"2026-01-21T17:37:27","name":"[v6,08/16] libcamera: controls: Define a new core Hue control","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"326552b8747ddf2565ef79bc218e91530f72b144","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/1.1/people/4/?format=json","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/25916/mbox/","series":[{"id":5730,"url":"https://patchwork.libcamera.org/api/1.1/series/5730/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5730","date":"2026-01-21T17:37:19","name":"libipa: Introduce a Quantized type","version":6,"mbox":"https://patchwork.libcamera.org/series/5730/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25916/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25916/checks/","tags":{},"headers":{"Return-Path":"","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 04648BDCBF\n\tfor ;\n\tWed, 21 Jan 2026 17:37:59 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4ED0861FC8;\n\tWed, 21 Jan 2026 18:37:56 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 09A5161FBB\n\tfor ;\n\tWed, 21 Jan 2026 18:37:44 +0100 (CET)","from Monstersaurus.hippo-penny.ts.net\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 036071F1F;\n\tWed, 21 Jan 2026 18:37:11 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"Dai/D3Wk\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1769017032;\n\tbh=OfHo9f59ilEaoKpfeOq+LrAmt/9ZlkdVEq9PHJLVYrI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=Dai/D3WkTongNsBIJALGQFX5769wn3Y4+pTah2n+CuYJZTI6Dkv7+45VmagD6vfpe\n\t6gE0rrNXanh00ghaMlLU55MM2ZNxJkws5Ql630RHBuiZmrOVznexAGXns15dBdJNII\n\tPc56aI98eIfZyEaqzNnXBDrh/qoz6ppYU26RFbC4=","From":"Kieran Bingham ","To":"libcamera devel ","Cc":"\"van Veen, Stephan\" ,\n\tIsaac Scott ,\n\tKieran Bingham ","Subject":"[PATCH v6 08/16] libcamera: controls: Define a new core Hue control","Date":"Wed, 21 Jan 2026 17:37:27 +0000","Message-ID":"<20260121173737.376113-9-kieran.bingham@ideasonboard.com>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260121173737.376113-1-kieran.bingham@ideasonboard.com>","References":"<20260121173737.376113-1-kieran.bingham@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"From: \"van Veen, Stephan\" \n\nDefine a new control to support configuration of Hue adjustments when\nsupported by the available platform.\n\nReviewed-by: Isaac Scott \nSigned-off-by: van Veen, Stephan \n[Kieran: Rework to define as a rotation in degrees]\nSigned-off-by: Kieran Bingham \n\n---\nv5:\n - Reworked control definition and direction\n\nSigned-off-by: Kieran Bingham \n---\n src/libcamera/control_ids_core.yaml | 15 +++++++++++++++\n 1 file changed, 15 insertions(+)","diff":"diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml\nindex 8e99bd84825f..67a44f8089bd 100644\n--- a/src/libcamera/control_ids_core.yaml\n+++ b/src/libcamera/control_ids_core.yaml\n@@ -1356,4 +1356,19 @@ controls:\n Enable or disable lens dewarping. This control is only available if lens\n dewarp parameters are configured in the tuning file.\n \n+ - Hue:\n+ type: float\n+ direction: inout\n+ description: |\n+ Adjusts the image hue (colour rotation) in degrees, as defined in\n+ the HSL/HSV colour model.\n+\n+ The value represents a rotation around the hue circle in HSL/HSV space:\n+ positive values rotate hues clockwise (for example a +60° turns\n+ Red hues to Yellow hues), and negative values rotate counter-clockwise\n+ (a -60° turns Red hues to Magenta hues).\n+\n+ The nominal range is [-180, 180[, where 0° leaves hues unchanged and the\n+ range wraps around continuously, with 180° == -180°.\n+\n ...\n","prefixes":["v6","08/16"]}