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{ "id": 13154, "url": "https://patchwork.libcamera.org/api/1.1/covers/13154/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13154/", "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": "<20210730082832.152626-1-umang.jain@ideasonboard.com>", "date": "2021-07-30T08:28:25", "name": "[libcamera-devel,RFC,0/3] IPU3: Tweak sensor format selection", "submitter": { "id": 86, "url": "https://patchwork.libcamera.org/api/1.1/people/86/?format=api", "name": "Umang Jain", "email": "umang.jain@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/13154/mbox/", "series": [ { "id": 2290, "url": "https://patchwork.libcamera.org/api/1.1/series/2290/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2290", "date": "2021-07-30T08:28:25", "name": "IPU3: Tweak sensor format selection", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2290/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13154/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 E5403C322E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 30 Jul 2021 08:28:47 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2A4EF687C4;\n\tFri, 30 Jul 2021 10:28:47 +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 25CE9687B1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 30 Jul 2021 10:28:45 +0200 (CEST)", "from perceval.ideasonboard.com (unknown [103.251.226.16])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id F26AC89B;\n\tFri, 30 Jul 2021 10:28:43 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"cTzow0Zb\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1627633724;\n\tbh=RbRpHm9k2HoSrc7NWgTN2shWM2prWOBodIc4c83PDQ4=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=cTzow0ZbpDtgNFtpUMFv/3SFC2EsSYvWONExe/g8QsD7U/+2q+PAMQ5q7j//w81Gz\n\t6Vrul0aMjrzuT3khMj65T18N1IkMxT0lTYC+T2upchuZC+ewmeqyaUuWrBwhk7bwu7\n\tQnIjlRshj8vDR79aXJMLcJP8Hg0c3RpxLAmPlgdY=", "From": "Umang Jain <umang.jain@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 30 Jul 2021 13:58:25 +0530", "Message-Id": "<20210730082832.152626-1-umang.jain@ideasonboard.com>", "X-Mailer": "git-send-email 2.31.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH 0/3] IPU3: Tweak sensor format\n\tselection", "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": "Different IPU3 platforms have different constraints that require certain\ntweaking on the policy on how libcamera determines best sensor format.\nTo address these contraints, we need to drop CameraSensor::getFormat()\nand have IPU3 specific sensor format selector member function.\n\nPatch 1/3 and 2/3 prepares the base to introduce new policy on\nselection. Patch 3/3 is the crux of the change, meant to address\nconstraints faced on Nautilus and Soraka.\n\nThis is a RFC where only preliminary testing have been done.\nExtensive testing and further discussions are still under-way.\n\nUmang Jain (3):\n libcamera: base: camera_sensor: Expose sensor's formats map\n ipu3: cio2: Replicate CameraSensor::getFormats() to a member function\n ipu3: cio2: Customize sensor format selection logic\n\n include/libcamera/internal/camera_sensor.h | 1 +\n src/libcamera/pipeline/ipu3/cio2.cpp | 115 ++++++++++++++++++++-\n src/libcamera/pipeline/ipu3/cio2.h | 5 +\n 3 files changed, 119 insertions(+), 2 deletions(-)" }