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{ "id": 21816, "url": "https://patchwork.libcamera.org/api/covers/21816/?format=api", "web_url": "https://patchwork.libcamera.org/cover/21816/", "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": "<20241106173651.2859827-1-chenghaoyang@chromium.org>", "date": "2024-11-06T17:35:31", "name": "[v2,0/1] Add request API support for MediaDevice", "submitter": { "id": 117, "url": "https://patchwork.libcamera.org/api/people/117/?format=api", "name": "Cheng-Hao Yang", "email": "chenghaoyang@chromium.org" }, "mbox": "https://patchwork.libcamera.org/cover/21816/mbox/", "series": [ { "id": 4772, "url": "https://patchwork.libcamera.org/api/series/4772/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4772", "date": "2024-11-06T17:35:31", "name": "Add request API support for MediaDevice", "version": 2, "mbox": "https://patchwork.libcamera.org/series/4772/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/21816/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 AB2C1BDB13\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 6 Nov 2024 17:37:01 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7AF6F65436;\n\tWed, 6 Nov 2024 18:37:00 +0100 (CET)", "from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com\n\t[IPv6:2607:f8b0:4864:20::1036])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AB87F653C5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 6 Nov 2024 18:36:57 +0100 (CET)", "by mail-pj1-x1036.google.com with SMTP id\n\t98e67ed59e1d1-2e2ed59a35eso65887a91.0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 06 Nov 2024 09:36:57 -0800 (PST)", "from chenghaoyang-low.c.googlers.com.com\n\t(27.247.221.35.bc.googleusercontent.com. [35.221.247.27])\n\tby smtp.gmail.com with ESMTPSA id\n\t98e67ed59e1d1-2e99a5f98a8sm1793400a91.38.2024.11.06.09.36.54\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 06 Nov 2024 09:36:55 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"J/l7W/YT\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=chromium.org; s=google; t=1730914616; x=1731519416;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:from:to:cc:subject:date:message-id:reply-to;\n\tbh=1ZNPzMNOJg2sNWOEEGLrKWT8Ss5DIcIdSBEIRpBdkP4=;\n\tb=J/l7W/YT9XFA6/eFJKErzF7ROfIQ48txB33hbyjxCRHlFQjVwn/i6UlraQDLEBDbK3\n\t17pFLjity30n5Ojql2aRvUfI6nKB9Q4vq6aQ/e83q2Wy7M2hm9mxGGMBEZ6Sr/HKnjBz\n\tzR6fKcfNTOG1wYlV1wm9tk2sU+MUbr/JxvCnY=", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1730914616; x=1731519416;\n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:x-gm-message-state:from:to:cc:subject:date:message-id\n\t:reply-to;\n\tbh=1ZNPzMNOJg2sNWOEEGLrKWT8Ss5DIcIdSBEIRpBdkP4=;\n\tb=l7M2tvtTC/Qx/8vmwP+f+OVIaLN5MjfHjfuRTwr3CdwK9s+zqvIkVd5o0YPmmsAW12\n\tiXsOfcch65lVO/2tUJMvBZs+8dBEhnXtwibm3jImLfazZcW6r6DG785Pqs4YNBHQSdRk\n\tFOYH5F20Fty79RJdmuK5y0+dFLj8hE5RFgAh/oJq38Im192jy6pAEEcJDEKnmfp9N8oq\n\tU/oIeNrvPDcWQJJbYBPnavJj6LgLTxqT2FSw1v73GrTlnpzDmt3tVYkWJ/JK0IxEQmyz\n\tr/WVoPJxwF1ClD5ObPJ3Rh4UHBbfW/SrjdsliiPxEhCeMgF+0koo4K6td51K6D2cIosQ\n\tOXKQ==", "X-Gm-Message-State": "AOJu0YyXdIw//GjV4PK+CnMZ3offSTdHlgJEYqYUQt3aD3Z9bCHYqz2p\n\tHPuuf6Gg9YlDWdmnZ2UuSKMG6SfARrZaAeXJrBFIVJp2udxf55sRxPMidi93RCVn5aKnldCJFfQ\n\tZ1w==", "X-Google-Smtp-Source": "AGHT+IGFLA6iLpSkmTQjk8LEIhFl/ahQk0/iAfPqRDp0hIRHvoZJyjg6NI/97wjVER0l50xZCtFP2A==", "X-Received": "by 2002:a17:90b:360a:b0:2e2:cef9:4d98 with SMTP id\n\t98e67ed59e1d1-2e8f10a7281mr42183236a91.25.1730914615758; \n\tWed, 06 Nov 2024 09:36:55 -0800 (PST)", "From": "Harvey Yang <chenghaoyang@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Harvey Yang <chenghaoyang@chromium.org>", "Subject": "[PATCH v2 0/1] Add request API support for MediaDevice", "Date": "Wed, 6 Nov 2024 17:35:31 +0000", "Message-ID": "<20241106173651.2859827-1-chenghaoyang@chromium.org>", "X-Mailer": "git-send-email 2.47.0.199.ga7371fff76-goog", "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": "<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": "Hi folks,\n\nThis patch adds ioctl request API support for MediaDevice. It'll be used\nto queue requests into mtkisp7's ISPs, like Camsys, Imgsys, and AieDev:\nhttps://source.chromium.org/search?q=allocateRequests&sq=&ss=chromiumos%2Fchromiumos%2Fcodesearch:src%2Fthird_party%2Flibcamera%2Fmtkisp7%2Fsrc%2Flibcamera%2Fpipeline%2Fmtkisp7%2F\n\nThis patch passed gitlab pipeline:\nhttps://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1305356\n\nv2:\n- Introduced a new class: MediaDevice::Request.\n - Handles reinit internally.\n- Used non-blocking EventNotifier instead of polling.\n\nBR,\nHarvey\n\nHan-Lin Chen (1):\n libcamera: Add request API support for media controller device\n\n include/libcamera/internal/media_device.h | 26 ++++++\n src/libcamera/media_device.cpp | 106 ++++++++++++++++++++++\n 2 files changed, 132 insertions(+)" }