{"id":23109,"url":"https://patchwork.libcamera.org/api/covers/23109/?format=json","web_url":"https://patchwork.libcamera.org/cover/23109/","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":"<20250403074551.263496-1-stanislaw.gruszka@linux.intel.com>","date":"2025-04-03T07:45:46","name":"[v7,0/5] libcamera: start frame events changes","submitter":{"id":211,"url":"https://patchwork.libcamera.org/api/people/211/?format=json","name":"Stanislaw Gruszka","email":"stanislaw.gruszka@linux.intel.com"},"mbox":"https://patchwork.libcamera.org/cover/23109/mbox/","series":[{"id":5109,"url":"https://patchwork.libcamera.org/api/series/5109/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5109","date":"2025-04-03T07:45:46","name":"libcamera: start frame events changes","version":7,"mbox":"https://patchwork.libcamera.org/series/5109/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/23109/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 CB6B9C3213\n\tfor ;\n\tThu, 3 Apr 2025 07:46:01 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D78DC68996;\n\tThu, 3 Apr 2025 09:46:00 +0200 (CEST)","from mgamail.intel.com (mgamail.intel.com [192.198.163.7])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 241D168967\n\tfor ;\n\tThu, 3 Apr 2025 09:45:57 +0200 (CEST)","from orviesa003.jf.intel.com ([10.64.159.143])\n\tby fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n\t03 Apr 2025 00:45:57 -0700","from sgruszka-mobl.ger.corp.intel.com (HELO localhost)\n\t([10.246.8.237]) by ORVIESA003-auth.jf.intel.com with\n\tESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 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a=\"70425124\"","E=Sophos;i=\"6.15,184,1739865600\"; d=\"scan'208\";a=\"70425124\"","E=Sophos;i=\"6.15,184,1739865600\"; d=\"scan'208\";a=\"131785126\""],"X-ExtLoop1":"1","From":"Stanislaw Gruszka ","To":"libcamera-devel@lists.libcamera.org","Cc":"Milan Zamazal , Hans de Goede ,\n\tLaurent Pinchart ,\n\tKieran Bingham ,\n\tSakari Ailus ","Subject":"[PATCH v7 0/5] libcamera: start frame events changes","Date":"Thu, 3 Apr 2025 09:45:46 +0200","Message-Id":"<20250403074551.263496-1-stanislaw.gruszka@linux.intel.com>","X-Mailer":"git-send-email 2.34.1","MIME-Version":"1.0","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":"v6 -> v7:\n - document disabling event side effect\n - add Stefan and Kieran R-b tags\n\nv5 -> v6:\n - remove changelog paragraph not applicable any longer in patch1\n - use new clang-format formatting in patch1\n - split patches differently\n - use Laurent changelog wording\n - add various comments in the code\n - use '' in log when printing emitter name\n\nv4 -> v5:\n - split patch2 into 3 separte patches\n - drop frameStartEnabled(), return error from start\n - use for (const Entity &entity : entities_) insted of iterator\n - reset delayed controls before enabling events\n\nv3 -> v4:\n - constify frameStartEnabled()\n - make supportsFrameStartEvent() more readable\n - rename eventEmitter to startFrameEmitter\n - update patch2 changelog to make it more clear\n\nv2 -> v3:\n - add helpers for v4l2_device\n - initialize eventEmitter_ in init(), when no proper device is found\n use nullptr (this fix crash seen by Kieran as eventEmitetter was\n\t not nullptr in v2)\n\nv1 -> v2:\n - make eventEmitter_ subdevice part of SimpleCameraData\n - add debug log when found event emitter device\n - nullify eventEmitter_ on stop\n - remove direct sensor_->setControls()\n - add delayedCtrls_->reset() on start\n\n\nLaurent Pinchart (1):\n pipeline: simple: Create DelayedControls instance once only\n\nStanislaw Gruszka (4):\n libcamera: v4l2_device: add frame start event helpers\n pipeline: simple: Connect/disconnect frameStart signal at start/stop\n time\n pipeline: simple: Enable frame start events\n pipeline: simple: Reset delayedCtrls at start\n\n include/libcamera/internal/v4l2_device.h | 1 +\n src/libcamera/pipeline/simple/simple.cpp | 66 +++++++++++++++++++-----\n src/libcamera/v4l2_device.cpp | 22 ++++++++\n 3 files changed, 76 insertions(+), 13 deletions(-)\n\n--\n2.43.0"}