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{ "id": 24429, "url": "https://patchwork.libcamera.org/api/covers/24429/?format=api", "web_url": "https://patchwork.libcamera.org/cover/24429/", "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": "<20250919173709.220881-1-mzamazal@redhat.com>", "date": "2025-09-19T17:37:03", "name": "[v3,0/6] Fix stats related problems in software ISP", "submitter": { "id": 177, "url": "https://patchwork.libcamera.org/api/people/177/?format=api", "name": "Milan Zamazal", "email": "mzamazal@redhat.com" }, "mbox": "https://patchwork.libcamera.org/cover/24429/mbox/", "series": [ { "id": 5451, "url": "https://patchwork.libcamera.org/api/series/5451/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5451", "date": "2025-09-19T17:37:03", "name": "Fix stats related problems in software ISP", "version": 3, "mbox": "https://patchwork.libcamera.org/series/5451/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/24429/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 677EEBE173\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 19 Sep 2025 17:37:24 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5C12862C3B;\n\tFri, 19 Sep 2025 19:37:23 +0200 (CEST)", "from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.133.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 3905562C35\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 19 Sep 2025 19:37:21 +0200 (CEST)", "from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com\n\t(ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97])\n\tby relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n\tcipher=TLS_AES_256_GCM_SHA384) id us-mta-394-YQE2_FqtMZSspWtdT-niNQ-1;\n\tFri, 19 Sep 2025 13:37:18 -0400", "from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.111])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\tkey-exchange X25519 server-signature RSA-PSS (2048 bits)\n\tserver-digest SHA256) (No client certificate requested)\n\tby mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id 90C37180048E; Fri, 19 Sep 2025 17:37:15 +0000 (UTC)", "from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.44.32.9])\n\tby mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 028371800451; Fri, 19 Sep 2025 17:37:12 +0000 (UTC)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=redhat.com header.i=@redhat.com\n\theader.b=\"WhPSmmlW\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1758303440;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\tto:to:cc:cc:mime-version:mime-version:content-type:content-type:\n\tcontent-transfer-encoding:content-transfer-encoding;\n\tbh=SdMuGNHQoMw9HxbsYDPTsXhn147i2SRKT1e2REed81I=;\n\tb=WhPSmmlWT2b+XF5lliBvXFnQEupNJkvXkU10LNVmQKgWctFw2S2pJIlxQnhyWX2yVzAO6T\n\teY3Ppg844XjNKmf1ujWC91ur6I9ZlAg5ATGFaY0RquEDO041FV7oUc8wiXGLIyd8jhPKRd\n\t8HAe47Y4NhiXzZ78Tc3Ct18IR+574NI=", "X-MC-Unique": "YQE2_FqtMZSspWtdT-niNQ-1", "X-Mimecast-MFC-AGG-ID": "YQE2_FqtMZSspWtdT-niNQ_1758303436", "From": "Milan Zamazal <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>, pobrn@protonmail.com,\n\tmail@maciej.szmigiero.name, Robert Mader <robert.mader@collabora.com>", "Subject": "[PATCH v3 0/6] Fix stats related problems in software ISP", "Date": "Fri, 19 Sep 2025 19:37:03 +0200", "Message-ID": "<20250919173709.220881-1-mzamazal@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.111", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "pXKmNCTnr0agz78trhRSzTPseFVhHnf3yzaPBPq3PRU_1758303436", "X-Mimecast-Originator": "redhat.com", "Content-Type": "text/plain; charset=UTF-8", "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": "Fixes of https://bugs.libcamera.org/show_bug.cgi?id=280 and the related\nproblems discussed there.\n\nTested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>\nTested-by: Robert Mader <robert.mader@collabora.com>\n\nChanges in v3:\n- Possible uint64_t underflow eliminated.\n\nChanges in v2:\n- An extra semicolon removed.\n- A note about the debayering alignment being an implementation\n limitation added.\n- A check for division by zero in AGC added.\n\nMilan Zamazal (6):\n libcamera: software_isp: Clarify SwStatsCpu::setWindow use\n libcamera: software_isp: Pass correct y-coordinate to stats\n libcamera: software_isp: Check processed window size alignment\n libcamera: simple: Avoid incorrect arithmetic in AWB\n ipa: simple: blc: Prevent division by zero in BLC\n ipa: simple: agc: Prevent division by zero in AGC\n\n src/ipa/simple/algorithms/agc.cpp | 6 +++++\n src/ipa/simple/algorithms/awb.cpp | 10 +++++----\n src/ipa/simple/algorithms/blc.cpp | 5 +++++\n src/libcamera/software_isp/debayer_cpu.cpp | 26 +++++++++++++++++-----\n src/libcamera/software_isp/swstats_cpu.cpp | 16 +++++++++++++\n 5 files changed, 53 insertions(+), 10 deletions(-)" }