{"id":20303,"url":"https://patchwork.libcamera.org/api/1.1/patches/20303/?format=json","web_url":"https://patchwork.libcamera.org/patch/20303/","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":"<20240613155949.1041061-3-dan.scally@ideasonboard.com>","date":"2024-06-13T15:59:44","name":"[2/7] libcamera: mali-c55: Enable usage of scaler","commit_ref":null,"pull_url":null,"state":"superseded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/1.1/people/156/?format=json","name":"Dan Scally","email":"dan.scally@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/20303/mbox/","series":[{"id":4391,"url":"https://patchwork.libcamera.org/api/1.1/series/4391/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4391","date":"2024-06-13T15:59:42","name":"Miscellaneous Mali-C55 Pipeline Fixes","version":1,"mbox":"https://patchwork.libcamera.org/series/4391/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/20303/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/20303/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 7C167C3237\n\tfor ;\n\tThu, 13 Jun 2024 16:00:08 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A8E1F6548F;\n\tThu, 13 Jun 2024 18:00:04 +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 B05AF6548D\n\tfor ;\n\tThu, 13 Jun 2024 17:59:58 +0200 (CEST)","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 775EA675;\n\tThu, 13 Jun 2024 17:59:44 +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=\"G5W39C5W\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1718294384;\n\tbh=ISFpsdSPpVBl+GFGlpwWjAdKRtk8ZIQZ8zbc/wuYZLo=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=G5W39C5WFw4jSczR4UOGudy9Jop3Feb0HfpGzEzKQ6WJcZe81Xyuy+WN78ltaPqtt\n\tUdeyz3nvTRAsOAgbJQZox1krT4uZoaABic5aNJZEOcQdOI9bsVj3WmE2SaQIOGLdFC\n\tnmIrtC8evdXIepvJWOvYf0IVffG7c4VKQzmehrqs=","From":"Daniel Scally ","To":"libcamera-devel@lists.libcamera.org","Cc":"Jacopo Mondi ","Subject":"[PATCH 2/7] libcamera: mali-c55: Enable usage of scaler","Date":"Thu, 13 Jun 2024 16:59:44 +0100","Message-Id":"<20240613155949.1041061-3-dan.scally@ideasonboard.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20240613155949.1041061-1-dan.scally@ideasonboard.com>","References":"<20240613155949.1041061-1-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":"","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: Jacopo Mondi \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\nSigned-off-by: Jacopo Mondi \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 9442d17c..c4f1afbc 100644\n--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n@@ -715,16 +715,28 @@ 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":["2/7"]}