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{ "id": 22091, "url": "https://patchwork.libcamera.org/api/1.1/covers/22091/?format=api", "web_url": "https://patchwork.libcamera.org/cover/22091/", "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": "<20241126091509.89677-1-mzamazal@redhat.com>", "date": "2024-11-26T09:15:01", "name": "[v4,0/4] Add contrast control to software ISP", "submitter": { "id": 177, "url": "https://patchwork.libcamera.org/api/1.1/people/177/?format=api", "name": "Milan Zamazal", "email": "mzamazal@redhat.com" }, "mbox": "https://patchwork.libcamera.org/cover/22091/mbox/", "series": [ { "id": 4821, "url": "https://patchwork.libcamera.org/api/1.1/series/4821/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4821", "date": "2024-11-26T09:15:01", "name": "Add contrast control to software ISP", "version": 4, "mbox": "https://patchwork.libcamera.org/series/4821/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/22091/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 3FC87C0DA4\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 26 Nov 2024 09:15:23 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7CFFA65FA3;\n\tTue, 26 Nov 2024 10:15:22 +0100 (CET)", "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 F149660531\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 26 Nov 2024 10:15:20 +0100 (CET)", "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-581-hXMsE_xTPtKASMAhkwfllA-1;\n\tTue, 26 Nov 2024 04:15:17 -0500", "from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.40])\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 506431955F45; Tue, 26 Nov 2024 09:15:16 +0000 (UTC)", "from nuthatch.brq.redhat.com (unknown [10.43.17.31])\n\tby mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 23B0A1955F40; Tue, 26 Nov 2024 09:15:14 +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=\"ZSoGRMOi\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1732612519;\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=OV79d9YQk265Icj+pMnoqan/Kn7lzjtjd087l/+4cE8=;\n\tb=ZSoGRMOi90bX+F4sL8jW3vgZVdhm17xX7gdqXZxI9NhjdFkcqAeOLUg+1bCDg5JJbsCtq3\n\tyxYckh3DFVuw7c+p3lpaHoYihBH63k4I5B3EFgcBXCR0WhEaKwl3Yqtm3u/KjuQVH8e/k3\n\tcLKjddGoK9OhkKPGa+/r6D9CBhXZhRg=", "X-MC-Unique": "hXMsE_xTPtKASMAhkwfllA-1", "X-Mimecast-MFC-AGG-ID": "hXMsE_xTPtKASMAhkwfllA", "From": "Milan Zamazal <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>", "Subject": "[PATCH v4 0/4] Add contrast control to software ISP", "Date": "Tue, 26 Nov 2024 10:15:01 +0100", "Message-ID": "<20241126091509.89677-1-mzamazal@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.40", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "xa8KccNmSHbzn1rXdl9BJkRY6l-sO44KQYMjys_ilkY_1732612516", "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": "The purpose of these patches is adding support to software ISP for\nmodifying image processing parameters in runtime.\n\nThe first software ISP image control, implemented here, is contrast. It\nis simple to implement, doesn’t slow down image processing and can\nenhance the image easily.\n\nChanges in v4:\n- Rebased on master; more controls are to be added to the software ISP,\n let’s keep what we already have up to date.\n\nChanges in v3:\n- Added a simplified constructor for IPAContext (and the same for ipu3\n when on it; rkisp1 has already been handled elsewhere).\n- C++ comment -> C comment.\n- Contrast algorithm merged to Lut.\n\nChanges in v2:\n- Rebased on the merged version of software ISP refactoring.\n- Control initialization moved from toplevel to an algorithm.\n\nMilan Zamazal (4):\n ipa: software_isp: Add constructor to the IPA context\n ipa: ipu3: Add constructor to the IPA context\n libcamera: software_isp: Add support for contrast control\n libcamera: software_isp: Add contrast control\n\n .../internal/software_isp/software_isp.h | 3 +-\n include/libcamera/ipa/soft.mojom | 2 +-\n src/ipa/ipu3/ipa_context.cpp | 4 ++\n src/ipa/ipu3/ipa_context.h | 5 +++\n src/ipa/ipu3/ipu3.cpp | 2 +-\n src/ipa/simple/algorithms/lut.cpp | 45 ++++++++++++++++---\n src/ipa/simple/algorithms/lut.h | 6 +++\n src/ipa/simple/ipa_context.h | 13 ++++++\n src/ipa/simple/soft_simple.cpp | 11 +++--\n src/libcamera/pipeline/simple/simple.cpp | 2 +-\n src/libcamera/software_isp/software_isp.cpp | 8 +++-\n 11 files changed, 87 insertions(+), 14 deletions(-)" }