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{ "id": 16197, "url": "https://patchwork.libcamera.org/api/covers/16197/?format=api", "web_url": "https://patchwork.libcamera.org/cover/16197/", "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": "<20220612152311.8408-1-laurent.pinchart@ideasonboard.com>", "date": "2022-06-12T15:23:06", "name": "[libcamera-devel,v2,0/5] libcamera: pipeline: simple: Support scaling on the camea sensor", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/16197/mbox/", "series": [ { "id": 3170, "url": "https://patchwork.libcamera.org/api/series/3170/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3170", "date": "2022-06-12T15:23:06", "name": "libcamera: pipeline: simple: Support scaling on the camea sensor", "version": 2, "mbox": "https://patchwork.libcamera.org/series/3170/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/16197/comments/", "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 F2AC1BD808\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 12 Jun 2022 15:23:25 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 35E2D65638;\n\tSun, 12 Jun 2022 17:23:25 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C52C8600F4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 12 Jun 2022 17:23:23 +0200 (CEST)", "from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 10DD551C;\n\tSun, 12 Jun 2022 17:23:22 +0200 (CEST)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"GRmJUR8m\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sun, 12 Jun 2022 18:23:06 +0300", "Message-Id": "<20220612152311.8408-1-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.35.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 0/5] libcamera: pipeline: simple:\n\tSupport scaling on the camea sensor", "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>", "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "Cc": "Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>,\n\tBenjamin Schaaf <ben.schaaf@gmail.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hello,\n\nThis patch series improves the simple pipeline handler to support\nscaling (in the generic sense, this can be binning/skipping or real\nscaling) on the camera sensor in addition to the converter. This is\nuseful on platforms that don't have a converter, but also on platforms\nwhere the SoC camera pipeline has limitations on resolution and/or\nbandwidth.\n\nPatches 1/5 and 2/5 are small drive-by improvements, patches 3/5 and 4/5\nprepare for sensor scaling support with some code refactoring, and patch\n5/5 then performs the bulk of the work, with an explanation of the\nheuristics used to configure scaling.\n\nLaurent Pinchart (5):\n libcamera: pipeline: simple: Improve debug message on config failure\n libcamera: pipeline: simple: Document the pipeline traversal algorithm\n libcamera: pipeline: simple: Factor out format test to separate\n function\n libcamera: pipeline: simple: Store sensor resolution in configuration\n libcamera: pipeline: simple: Support scaling on the sensor\n\n src/libcamera/pipeline/simple/simple.cpp | 270 ++++++++++++++++-------\n 1 file changed, 190 insertions(+), 80 deletions(-)\n\n\nbase-commit: b4d4b78c82a23de3c6dd1676bf43bba1d6043652" }