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{ "id": 21597, "url": "https://patchwork.libcamera.org/api/covers/21597/?format=api", "web_url": "https://patchwork.libcamera.org/cover/21597/", "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": "<20241011182800.1750589-1-mzamazal@redhat.com>", "date": "2024-10-11T18:27:55", "name": "[v3,0/4] Add contrast control to 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/21597/mbox/", "series": [ { "id": 4688, "url": "https://patchwork.libcamera.org/api/series/4688/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4688", "date": "2024-10-11T18:27:55", "name": "Add contrast control to software ISP", "version": 3, "mbox": "https://patchwork.libcamera.org/series/4688/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/21597/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 8E5ACC3260\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 11 Oct 2024 18:28:11 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6D58B65390;\n\tFri, 11 Oct 2024 20:28:10 +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 F34F56538A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 11 Oct 2024 20:28:08 +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-651-o19DxYpeOhiszHRQ1Ymg8A-1;\n\tFri, 11 Oct 2024 14:28:05 -0400", "from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4])\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 AA0A419560AA; Fri, 11 Oct 2024 18:28:04 +0000 (UTC)", "from nuthatch.redhat.com (unknown [10.45.224.99])\n\tby mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 491D130001A3; Fri, 11 Oct 2024 18:28:03 +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=\"het5JFT+\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1728671288;\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=/5fy2wi1L0TrgN937mTTDBqMyOn1c6OMhDcX6RA4+eU=;\n\tb=het5JFT+19+q+QuRe6A7a922w7iXTvVVSFDI/QcqKh/6VBpxIYEU9kujnH0greprPKbApk\n\tOZ0lj99SAUs793nfQrH7JSBW76YtJZPkdPqGYI6eqe9Vx5hiVx52fhtcnxLCWNvGRIUm3s\n\tSUwR1f1N8jfyM42FZ1RIIWxnyJI35lM=", "X-MC-Unique": "o19DxYpeOhiszHRQ1Ymg8A-1", "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 v3 0/4] Add contrast control to software ISP", "Date": "Fri, 11 Oct 2024 20:27:55 +0200", "Message-ID": "<20241011182800.1750589-1-mzamazal@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "X-Mimecast-Spam-Score": "0", "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 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 | 14 ++++++\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, 88 insertions(+), 14 deletions(-)" }