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{ "id": 24998, "url": "https://patchwork.libcamera.org/api/1.1/covers/24998/?format=api", "web_url": "https://patchwork.libcamera.org/cover/24998/", "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": "<20251112082715.17823-1-mzamazal@redhat.com>", "date": "2025-11-12T08:27:08", "name": "[RFC,0/7] Simple pipeline IPA cleanup", "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/24998/mbox/", "series": [ { "id": 5582, "url": "https://patchwork.libcamera.org/api/1.1/series/5582/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5582", "date": "2025-11-12T08:27:08", "name": "Simple pipeline IPA cleanup", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5582/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/24998/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 D49FCC3241\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 12 Nov 2025 08:27:26 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DFA5A60A80;\n\tWed, 12 Nov 2025 09:27:25 +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 5CBCF606E6\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 12 Nov 2025 09:27:23 +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-213-481Z_0R_MFmvdP5en4m_cQ-1;\n\tWed, 12 Nov 2025 03:27:20 -0500", "from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.93])\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\n\tid E696819560B5 for <libcamera-devel@lists.libcamera.org>;\n\tWed, 12 Nov 2025 08:27:19 +0000 (UTC)", "from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.44.33.149])\n\tby mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id C87051800367; Wed, 12 Nov 2025 08:27:18 +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=\"OkWHHtKw\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1762936042;\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=bvHulpJQpfmajSGj/7Y0pm7yVss4iS4mTKvbI3OVGoM=;\n\tb=OkWHHtKwgmbxPneYapfxq2ZRoHgJqt+hzkqSh0yNSKHtZJ3xpO7mbOCptaW4HM5h59AZBy\n\tAV572cQUL54lJWdd/Gb4L/yDItoi0byn+LlmMwRgtV6GshA/ig2JBBGIs0TL4Vt5350xpk\n\tA/6jLQJXnKUESXsn6n1uQXGW8uG2Um0=", "X-MC-Unique": "481Z_0R_MFmvdP5en4m_cQ-1", "X-Mimecast-MFC-AGG-ID": "481Z_0R_MFmvdP5en4m_cQ_1762936040", "From": "Milan Zamazal <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>", "Subject": "[RFC PATCH 0/7] Simple pipeline IPA cleanup", "Date": "Wed, 12 Nov 2025 09:27:08 +0100", "Message-ID": "<20251112082715.17823-1-mzamazal@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.93", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "FNBEMuoDjXY1e7O8AqGt0akL-e9BR6miZv4aOG7KKlI_1762936040", "X-Mimecast-Originator": "redhat.com", "Content-Transfer-Encoding": "8bit", "content-type": "text/plain; charset=\"US-ASCII\"; x-default=true", "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 simple pipeline IPA algorithms mix contrast and saturation\nprocessing with CCM and LUT processing. This patch series moves some\nparts of contrast and saturation processing to a separate algorithm.\n\nThis is currently RFC because it conflicts with the changes in GPU ISP.\nIt should be rebased on top of GPU ISP once it is merged.\n\nMilan Zamazal (7):\n libcamera: ipa: simple: Remove an unused include from awb.cpp\n libcamera: ipa: simple: Unwrap IPAFrameContext::ccm\n libcamera: ipa: simple: Generalise tracking matrix changes\n libcamera: ipa: simple: Rename \"ccm\" identifiers not specific to CCM\n libcamera: ipa: simple: Introduce a general correction matrix\n libcamera: ipa: simple: Separate saturation from CCM\n libcamera: ipa: simple: Move contrast settings to adjust.cpp\n\n src/ipa/simple/algorithms/adjust.cpp | 125 ++++++++++++++++++++++++++\n src/ipa/simple/algorithms/adjust.h | 52 +++++++++++\n src/ipa/simple/algorithms/awb.cpp | 1 -\n src/ipa/simple/algorithms/ccm.cpp | 70 ++-------------\n src/ipa/simple/algorithms/ccm.h | 10 +--\n src/ipa/simple/algorithms/lut.cpp | 67 ++++----------\n src/ipa/simple/algorithms/lut.h | 13 +--\n src/ipa/simple/algorithms/meson.build | 1 +\n src/ipa/simple/data/uncalibrated.yaml | 1 +\n src/ipa/simple/ipa_context.h | 11 +--\n 10 files changed, 212 insertions(+), 139 deletions(-)\n create mode 100644 src/ipa/simple/algorithms/adjust.cpp\n create mode 100644 src/ipa/simple/algorithms/adjust.h" }