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{ "id": 21845, "url": "https://patchwork.libcamera.org/api/patches/21845/?format=api", "web_url": "https://patchwork.libcamera.org/patch/21845/", "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": "<20241107105846.52287-13-dan.scally@ideasonboard.com>", "date": "2024-11-07T10:58:45", "name": "[v5,12/13] libcamera: mali-c55: Enable usage of scaler", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "b2fd8efe06bdfb49f37dfc50bcf999c1c04204b0", "submitter": { "id": 156, "url": "https://patchwork.libcamera.org/api/people/156/?format=api", "name": "Dan Scally", "email": "dan.scally@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/21845/mbox/", "series": [ { "id": 4776, "url": "https://patchwork.libcamera.org/api/series/4776/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4776", "date": "2024-11-07T10:58:33", "name": "Miscellaneous Mali-C55 Pipeline Fixes", "version": 5, "mbox": "https://patchwork.libcamera.org/series/4776/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/21845/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/21845/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 137A6BE173\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 7 Nov 2024 10:59:14 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0494A65496;\n\tThu, 7 Nov 2024 11:59:11 +0100 (CET)", "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 1EAB065467\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 7 Nov 2024 11:58:58 +0100 (CET)", "from mail.ideasonboard.com\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0F9A01961;\n\tThu, 7 Nov 2024 11:58:49 +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=\"VS3X+avp\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1730977129;\n\tbh=7SSFt3cRRenEMq/rYfWTHKQbMMY5D517oVdMwLRjYIo=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=VS3X+avptDdlLZawEvFZ+wNR7ymyCQ5gDKHBGo+XWCAtd4ctjhXgGqhP02F0JXZgR\n\tSXkX2qZGfHsx++QxGb834hMNCk/DjQrYurhci2I7Bca25UkJb0iqncN2Vkv6wir7kC\n\tS3d8ajM2IgGr487i2/CGM+vgj4R6Lwx3WdPKBSUY=", "From": "Daniel Scally <dan.scally@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tDaniel Scally <dan.scally@ideasonboard.com>", "Subject": "[PATCH v5 12/13] libcamera: mali-c55: Enable usage of scaler", "Date": "Thu, 7 Nov 2024 10:58:45 +0000", "Message-Id": "<20241107105846.52287-13-dan.scally@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20241107105846.52287-1-dan.scally@ideasonboard.com>", "References": "<20241107105846.52287-1-dan.scally@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": "From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n\nThe Mali C55 ISP has a resizing pipeline that allows to crop and scale\nimages.\n\nSo far the mali-c55 pipeline has only supported cropping without using\nthe scaling functionalities.\n\nNow that the kernel has gained support for the scaling operations, make\nthe libcamera pipeline use it by combining it with a first cropping step\nto align the input and output images FOV ratio, and then scale to the\ndesired output size.\n\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Daniel Scally <dan.scally@ideasonboard.com>\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\nSigned-off-by: Daniel Scally <dan.scally@ideasonboard.com>\n---\nChanges in v5:\n\n\t- None\n\n src/libcamera/pipeline/mali-c55/mali-c55.cpp | 18 +++++++++++++++---\n 1 file changed, 15 insertions(+), 3 deletions(-)", "diff": "diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp\nindex b00cbce5..2d4d5950 100644\n--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n@@ -754,16 +754,28 @@ int PipelineHandlerMaliC55::configureProcessedStream(MaliC55CameraData *data,\n \tif (ret)\n \t\treturn ret;\n \n-\t/* \\todo Configure the resizer crop/compose rectangles. */\n-\tRectangle ispCrop = { 0, 0, config.size };\n+\t/*\n+\t * Compute the scaler-in to scaler-out ratio: first center-crop to align\n+\t * the FOV to the desired resolution, then scale to the desired size.\n+\t */\n+\tSize scalerIn = subdevFormat.size.boundedToAspectRatio(config.size);\n+\tint xCrop = (subdevFormat.size.width - scalerIn.width) / 2;\n+\tint yCrop = (subdevFormat.size.height - scalerIn.height) / 2;\n+\tRectangle ispCrop = { xCrop, yCrop, scalerIn };\n \tret = pipe->resizer->setSelection(0, V4L2_SEL_TGT_CROP, &ispCrop);\n \tif (ret)\n \t\treturn ret;\n \n-\tret = pipe->resizer->setSelection(0, V4L2_SEL_TGT_COMPOSE, &ispCrop);\n+\tRectangle ispCompose = { 0, 0, config.size };\n+\tret = pipe->resizer->setSelection(0, V4L2_SEL_TGT_COMPOSE, &ispCompose);\n \tif (ret)\n \t\treturn ret;\n \n+\t/*\n+\t * The source pad format size comes directly from the sink\n+\t * compose rectangle.\n+\t */\n+\tsubdevFormat.size = ispCompose.size();\n \tsubdevFormat.code = maliC55FmtToCode.find(config.pixelFormat)->second;\n \treturn pipe->resizer->setFormat(1, &subdevFormat);\n }\n", "prefixes": [ "v5", "12/13" ] }