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GET /api/1.1/patches/20894/?format=api
{ "id": 20894, "url": "https://patchwork.libcamera.org/api/1.1/patches/20894/?format=api", "web_url": "https://patchwork.libcamera.org/patch/20894/", "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": "<20240813084451.44099-2-stefan.klug@ideasonboard.com>", "date": "2024-08-13T08:44:18", "name": "[v4,1/6] libcamera: controls: Update the ColourTemperature control to be writable", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "9622d726f8f42e35b5f1e807ff4c6c441a70e26c", "submitter": { "id": 184, "url": "https://patchwork.libcamera.org/api/1.1/people/184/?format=api", "name": "Stefan Klug", "email": "stefan.klug@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/20894/mbox/", "series": [ { "id": 4514, "url": "https://patchwork.libcamera.org/api/1.1/series/4514/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4514", "date": "2024-08-13T08:44:17", "name": "rkisp1: Add manual colour temperature control", "version": 4, "mbox": "https://patchwork.libcamera.org/series/4514/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/20894/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/20894/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 37AFFC32A9\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 13 Aug 2024 08:45:08 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id CA016633B5;\n\tTue, 13 Aug 2024 10:45:07 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A798B6337E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 13 Aug 2024 10:45:06 +0200 (CEST)", "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:7025:8d00:1ffd:751a])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id C1EF8827;\n\tTue, 13 Aug 2024 10:44:09 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"EIhAtKy0\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1723538649;\n\tbh=g0EGizF8N6P27EL622ay/ZuWAfTMJgo8pFvqFqDWh+s=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=EIhAtKy0McuoXUjTtSIgRi8Vqmm/Ykl+ta3y39NpLrJTAWamtQ36jw6R3xS0bxV7j\n\tRNL4QSG7O9mdMBNqItf/4AUeTK1Sd2bv2kTKv2bRagrLK95hVCXm5UihUlGs1u6XCT\n\trkGA5+bqpnFg640HoGL4GMmihYgfme5/cLUTlOAU=", "From": "Stefan Klug <stefan.klug@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>", "Subject": "[PATCH v4 1/6] libcamera: controls: Update the ColourTemperature\n\tcontrol to be writable", "Date": "Tue, 13 Aug 2024 10:44:18 +0200", "Message-ID": "<20240813084451.44099-2-stefan.klug@ideasonboard.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20240813084451.44099-1-stefan.klug@ideasonboard.com>", "References": "<20240813084451.44099-1-stefan.klug@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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": "For manual control it is helpful to be able to specify a fixed colour\ntemperature. It also provides an easy way to apply the temperature\nspecific CCMs and colour gains that are contained in the tuning files.\n\nDocument this and update the control dependencies.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n---\n src/libcamera/control_ids_core.yaml | 24 ++++++++++++++++++++----\n 1 file changed, 20 insertions(+), 4 deletions(-)", "diff": "diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml\nindex cf40771d3896..04dcc4af67fc 100644\n--- a/src/libcamera/control_ids_core.yaml\n+++ b/src/libcamera/control_ids_core.yaml\n@@ -252,9 +252,12 @@ controls:\n - AwbEnable:\n type: bool\n description: |\n- Enable or disable the AWB.\n+ Enable or disable the AWB. Disabling AWB stops updates to the\n+ ColourGains and to the ColourCorrectionMatrix.\n \n+ \\sa ColourCorrectionMatrix\n \\sa ColourGains\n+ \\sa ColourTemperature\n \n # AwbMode needs further attention:\n # - Auto-generate max enum value.\n@@ -309,13 +312,24 @@ controls:\n disabled.\n \n \\sa AwbEnable\n+ \\sa ColourTemperature\n size: [2]\n \n - ColourTemperature:\n type: int32_t\n- description: Report the current estimate of the colour temperature, in\n- kelvin, for this frame. The ColourTemperature control can only be\n- returned in metadata.\n+ description: |\n+ Report the current estimate of the colour temperature, in kelvin, for\n+ this frame. An implementation may also allow this control to be set when\n+ AWB is disabled. In that case ColourGains and the ColourCorrectionMatrix\n+ get set accordingly. If either ColourGains or ColourCorrectionMatrix are\n+ specified at the same time, they take precedence.\n+\n+ The metadata will only report measured colour temperature values when\n+ available, even if set manually.\n+\n+ \\sa AwbEnable\n+ \\sa ColourCorrectionMatrix\n+ \\sa ColourGains\n \n - Saturation:\n type: float\n@@ -365,6 +379,8 @@ controls:\n transformation. The 3x3 matrix is stored in conventional reading\n order in an array of 9 floating point values.\n \n+ \\sa AwbEnable\n+ \\sa ColourTemperature\n size: [3,3]\n \n - ScalerCrop:\n", "prefixes": [ "v4", "1/6" ] }