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{ "id": 23047, "url": "https://patchwork.libcamera.org/api/covers/23047/?format=api", "web_url": "https://patchwork.libcamera.org/cover/23047/", "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": "<20250326124856.75709-1-mzamazal@redhat.com>", "date": "2025-03-26T12:48:49", "name": "[v5,0/6] ipa: simple: Introduce metadata reporting", "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/23047/mbox/", "series": [ { "id": 5085, "url": "https://patchwork.libcamera.org/api/series/5085/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5085", "date": "2025-03-26T12:48:49", "name": "ipa: simple: Introduce metadata reporting", "version": 5, "mbox": "https://patchwork.libcamera.org/series/5085/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/23047/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 E53C4C3213\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 26 Mar 2025 12:49:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3C26C68950;\n\tWed, 26 Mar 2025 13:49:06 +0100 (CET)", "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 86CDB68950\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 26 Mar 2025 13:49:04 +0100 (CET)", "from mx-prod-mc-06.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-446-ETW5KVEsOZuBoNHDiUVjRA-1;\n\tWed, 26 Mar 2025 08:49:02 -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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id 171A5180025B; Wed, 26 Mar 2025 12:49:01 +0000 (UTC)", "from mzamazal-thinkpadp1gen7.tpbc.com (unknown [10.44.34.15])\n\tby mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 0772030001A1; Wed, 26 Mar 2025 12:48:58 +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=\"DumckcOg\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1742993343;\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=D0lphh5OGMtr2ev6CiSiL/fFmiPwWiL5gqhOlDKIkYc=;\n\tb=DumckcOggVaAtyWHwjdsbT64uX63R1SJoepqZ6paaCz6EdLrRbtH5Eqc106BmQZIl0D/bt\n\tZmOPogGay1vH8fpcj1tltZ3fkgmxa8XnHhwuyToEO2Ou6GE1W82qWbzZmQIaNRkJe0H080\n\tdddDQXkY58p18meL6YiCuktvCgglZhQ=", "X-MC-Unique": "ETW5KVEsOZuBoNHDiUVjRA-1", "X-Mimecast-MFC-AGG-ID": "ETW5KVEsOZuBoNHDiUVjRA_1742993341", "From": "Milan Zamazal <mzamazal@redhat.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>", "Subject": "[PATCH v5 0/6] ipa: simple: Introduce metadata reporting", "Date": "Wed, 26 Mar 2025 13:48:49 +0100", "Message-ID": "<20250326124856.75709-1-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-MFC-PROC-ID": "LF2O5yyk2w76XSwWy0ZXc3qZUFdDo_E3K76C5-zxRtA_1742993341", "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": "Provide metadata reporting for the software ISP. This means reporting\nmetadata itself from software ISP and adding relevant values to the\nmetadata.\n\nRunning ‘cam’ with --metadata now produces something like the following:\n\n SensorBlackLevels = [ 4096, 4096, 4096, 4096 ]\n ColourGains = [ 0.001153, 0.001145 ]\n ExposureTime = 66578\n AnalogueGain = 10.666667\n SensorTimestamp = 5466162537000\n\nChanges in v5:\n- Updated for current master.\n\nChanges in v4:\n- SimpleCameraData::completeRequest just returns if frame info is not\n found.\n- SimpleCameraData::completeRequest split to completeRequest and\n tryCompleteRequest and checkCompleted argument removed.\n- SoftwareIsp::saveMetadata replaced by a lambda function.\n- blackLevels array initialization reflowed to 72 columns.\n- exposureTime converted to the right unit.\n- maybe_unused removed from a used argument.\n- Metadata is taken from frame contexts rather than from active states.\n\nChanges in v3:\n- Don't use dynamic allocation for SimpleFrames entries.\n- A tentative patch to add exposure/gain to metadata.\n\nChanges in v2:\n- Taken over from Kieran.\n- Updated for master.\n- Black level is reported as uint16_t, according to the control\n documentation.\n- Contrast value is reported in metadata.\n- The metadata used to proces the image is reported rather than the\n metadata determined from the image.\n- Metadata is reported using a new signal rather than (ab)using\n setIspParams; this change is less or more needed due to changed simple\n IPA structure since v1.\n- Frame -> request mapping is introduced to make sure the metadata is\n assigned to the right request.\n\nKieran Bingham (3):\n ipa: simple: softisp: Extend to pass metadata\n ipa: simple: Report the ColourGains in metadata\n ipa: simple: Report black levels in metadata\n\nMilan Zamazal (3):\n libcamera: software_isp: Track frames and requests\n ipa: simple: Report contrast in metadata\n ipa: simple: Report exposure in metadata\n\n .../internal/software_isp/software_isp.h | 2 +\n include/libcamera/ipa/soft.mojom | 4 +-\n src/ipa/simple/algorithms/agc.cpp | 11 +-\n src/ipa/simple/algorithms/awb.cpp | 21 +++-\n src/ipa/simple/algorithms/awb.h | 6 +-\n src/ipa/simple/algorithms/blc.cpp | 11 +-\n src/ipa/simple/algorithms/lut.cpp | 15 ++-\n src/ipa/simple/algorithms/lut.h | 5 +\n src/ipa/simple/ipa_context.h | 11 +-\n src/ipa/simple/soft_simple.cpp | 24 ++--\n src/libcamera/pipeline/simple/simple.cpp | 116 +++++++++++++++++-\n src/libcamera/software_isp/software_isp.cpp | 29 ++++-\n 12 files changed, 226 insertions(+), 29 deletions(-)" }