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{ "id": 11754, "url": "https://patchwork.libcamera.org/api/1.1/covers/11754/?format=api", "web_url": "https://patchwork.libcamera.org/cover/11754/", "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": "<20210329022604.110201-1-hiroh@chromium.org>", "date": "2021-03-29T02:26:02", "name": "[libcamera-devel,RFC,0/2] Enable handling a number of capture requests", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/1.1/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "mbox": "https://patchwork.libcamera.org/cover/11754/mbox/", "series": [ { "id": 1857, "url": "https://patchwork.libcamera.org/api/1.1/series/1857/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1857", "date": "2021-03-29T02:26:02", "name": "Enable handling a number of capture requests", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1857/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/11754/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 67BFEC32EA\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 29 Mar 2021 02:26:16 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 92A676877D;\n\tMon, 29 Mar 2021 04:26:15 +0200 (CEST)", "from mail-pf1-x430.google.com (mail-pf1-x430.google.com\n\t[IPv6:2607:f8b0:4864:20::430])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6CCEB602D2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 29 Mar 2021 04:26:13 +0200 (CEST)", "by mail-pf1-x430.google.com with SMTP id j25so8927337pfe.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 28 Mar 2021 19:26:13 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:2:1db7:ae60:9288:b906])\n\tby smtp.gmail.com with ESMTPSA id\n\ta26sm10537879pff.149.2021.03.28.19.26.09\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tSun, 28 Mar 2021 19:26:10 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"Woqb7EJN\"; 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\n\tSun, 28 Mar 2021 19:26:11 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 29 Mar 2021 11:26:02 +0900", "Message-Id": "<20210329022604.110201-1-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.31.0.291.g576ba9dcdaf-goog", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [RFC PATCH 0/2] Enable handling a number of\n\tcapture requests", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Originally PipelineHandler discards capture requests if queueing\nfails with any reason. If a client queues a number of capture\nrequests for short time, queueing tends to fail due to a buffer\nshortage. In the case PipelineHandler should rather retry to\nqueue capture requests later.\nThis patch series enables PipelineHandler to handle a number of\ncapture requests by storing them on a buffer shortage failure and\nretrying to queue later.\n\nHirokazu Honda (2):\n libcamera: CameraData: Change queuedRequests_ type to std::dequeue\n libcamera: PipelineHandler: Retry queuing a capture request\n\n include/libcamera/internal/pipeline_handler.h | 6 +-\n src/libcamera/pipeline_handler.cpp | 61 ++++++++++++++++---\n 2 files changed, 58 insertions(+), 9 deletions(-)\n\n--\n2.31.0.291.g576ba9dcdaf-goog" }