{"id":24454,"url":"https://patchwork.libcamera.org/api/covers/24454/?format=json","web_url":"https://patchwork.libcamera.org/cover/24454/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20250925192856.77881-1-mzamazal@redhat.com>","date":"2025-09-25T19:28:49","name":"[v4,0/7] Fix stats related problems in software ISP","submitter":{"id":177,"url":"https://patchwork.libcamera.org/api/people/177/?format=json","name":"Milan Zamazal","email":"mzamazal@redhat.com"},"mbox":"https://patchwork.libcamera.org/cover/24454/mbox/","series":[{"id":5458,"url":"https://patchwork.libcamera.org/api/series/5458/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5458","date":"2025-09-25T19:28:49","name":"Fix stats related problems in software ISP","version":4,"mbox":"https://patchwork.libcamera.org/series/5458/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/24454/comments/","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 3BCF4C328C\n\tfor ;\n\tThu, 25 Sep 2025 19:29:10 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0AFF16B5F3;\n\tThu, 25 Sep 2025 21:29:09 +0200 (CEST)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A140E69318\n\tfor ;\n\tThu, 25 Sep 2025 21:29:07 +0200 (CEST)","from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com\n\t(ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63])\n\tby relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n\tcipher=TLS_AES_256_GCM_SHA384) id us-mta-675-tkq6HrvUOZiQmRGJPau9VA-1;\n\tThu, 25 Sep 2025 15:29:03 -0400","from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.17])\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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id CEA6B1956053; Thu, 25 Sep 2025 19:29:01 +0000 (UTC)","from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.44.32.62])\n\tby mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 961991956095; Thu, 25 Sep 2025 19:28:59 +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=\"RH/kH2/v\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1758828546;\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=8QWTA0QjE4re7OuzhriHa5ebD3Xk9Uq8dGNkXERIR40=;\n\tb=RH/kH2/v1tYmn1g1Xk4KCf7JxcM/NudxDUOUJuXJMkhBc/6ojUVwBXTSVILqEuiNn7rAI8\n\tv6xxV4B/oUksiBe/ZGRFKet8jg07ZRPoZkVL/Q1G4l0Dp630C660GhFPffF+wCqQnewTc8\n\tMAi7cXtMT4VFbt/x2WLmJICicmObRzc=","X-MC-Unique":"tkq6HrvUOZiQmRGJPau9VA-1","X-Mimecast-MFC-AGG-ID":"tkq6HrvUOZiQmRGJPau9VA_1758828542","From":"Milan Zamazal ","To":"libcamera-devel@lists.libcamera.org","Cc":"Milan Zamazal , pobrn@protonmail.com,\n\tmail@maciej.szmigiero.name, Robert Mader ","Subject":"[PATCH v4 0/7] Fix stats related problems in software ISP","Date":"Thu, 25 Sep 2025 21:28:49 +0200","Message-ID":"<20250925192856.77881-1-mzamazal@redhat.com>","MIME-Version":"1.0","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"JUgXsjenPEdRyQH0Eg3Cfifo4NAeJ2W3xUY8vQPjShA_1758828542","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":"","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":"Fixes of https://bugs.libcamera.org/show_bug.cgi?id=280 and the related\nproblems discussed there.\n\nTested-by: Maciej S. Szmigiero \nTested-by: Robert Mader \n\nChanges in v4:\n- unsigned int underflow in SwStatsCpu::setWindow eliminated.\n- Window adjustment clarified in SwStatsCpu::setWindow.\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 (7):\n libcamera: software_isp: Fix width adjustment in SwStatsCpu::setWindow\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 | 21 ++++++++++++++++-\n 5 files changed, 57 insertions(+), 11 deletions(-)"}