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{ "id": 21859, "url": "https://patchwork.libcamera.org/api/covers/21859/?format=api", "web_url": "https://patchwork.libcamera.org/cover/21859/", "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": "<20241108075039.2116460-1-chenghaoyang@chromium.org>", "date": "2024-11-08T07:38:26", "name": "[0/1] Extend V4L2 videodevice to accept media request API", "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/21859/mbox/", "series": [ { "id": 4778, "url": "https://patchwork.libcamera.org/api/series/4778/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4778", "date": "2024-11-08T07:38:26", "name": "Extend V4L2 videodevice to accept media request API", "version": 1, "mbox": "https://patchwork.libcamera.org/series/4778/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/21859/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 C7E61BE173\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 8 Nov 2024 07:50:47 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0562B6548C;\n\tFri, 8 Nov 2024 08:50:47 +0100 (CET)", "from mail-pl1-x632.google.com (mail-pl1-x632.google.com\n\t[IPv6:2607:f8b0:4864:20::632])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EFF5B60589\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 8 Nov 2024 08:50:44 +0100 (CET)", "by mail-pl1-x632.google.com with SMTP id\n\td9443c01a7336-20c7edf2872so24593495ad.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 07 Nov 2024 23:50:44 -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\td9443c01a7336-21177e62dd4sm24343295ad.218.2024.11.07.23.50.41\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 07 Nov 2024 23:50:42 -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=\"f6g6n/P7\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=chromium.org; s=google; t=1731052243; x=1731657043;\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=k8XVZ8fsALyNM4syCFWBMeF0y1eY0Vfx+YO9s7exTpg=;\n\tb=f6g6n/P7qMfzE05LRgeLnPI1/iJgqlFDxOZZnYOdYiqcH79eRRiXoNI+/hy/WP4KVW\n\t28pjIXoTRevR9QdyiB/r0Hmqt5DnQtc7P3HisoV1uAAaFH31Ya9IaWgzSwRYo7On5kzX\n\tGvqaI7FYtapoBHLgy5lZ431hyI9TUbrA5nuZc=", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1731052243; x=1731657043;\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=k8XVZ8fsALyNM4syCFWBMeF0y1eY0Vfx+YO9s7exTpg=;\n\tb=hOOKMCkSl9fRM1Au9uPuiJUzu6Jjsh+BufNUmuvEeL8HzRcqFPpLLBXL3lTTp6XDlL\n\tpvJGfiiTA6wHCpL66SPTnYCrE+z4skNwjoDFJp9Tcgcct6sW9rhwDGkvl37X/TXPy2ow\n\tow17fQ6Dg2uobccuVant3+a/6dZjwEslJGr/hJvOKX0DYE95PtsoMa79HHeOAWlnSN5k\n\txqyF7/pCmIde9q4VPhPUvCDWexD13Em09TPEo6UP+6Bnxh89f4DsRDZ9jTMEuRY9lpxZ\n\tHozTuW0Llh3bLP9nbbtbXW08FsNMJ1bxrO/nLRZ8AsA6MDBydG3VNOExTa6H217YHGRv\n\tltbA==", "X-Gm-Message-State": "AOJu0YyMdQKAX8HWZPqAJD7SXbHZs19CbMZPh0WEDSJB6VDcioq8eKQG\n\t3x7aYLDCUlANGV2aPZqP+2613PTyukAf/CUo1AwCFKwyJN5EzI+s+A7pci5jvzZjg1USLol6f8G\n\t6tg==", "X-Google-Smtp-Source": "AGHT+IGF2EGpiGMCfswuOOpMP7X94RzI0HStocGvO42wFa5MiAqcAnvoGlumCRinfz0F+U04PloOgg==", "X-Received": "by 2002:a17:902:ea0b:b0:205:8b84:d5e8 with SMTP id\n\td9443c01a7336-2118377eba3mr32455545ad.18.1731052242965; \n\tThu, 07 Nov 2024 23:50:42 -0800 (PST)", "From": "Harvey Yang <chenghaoyang@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Harvey Yang <chenghaoyang@chromium.org>", "Subject": "[PATCH 0/1] Extend V4L2 videodevice to accept media request API", "Date": "Fri, 8 Nov 2024 07:38:26 +0000", "Message-ID": "<20241108075039.2116460-1-chenghaoyang@chromium.org>", "X-Mailer": "git-send-email 2.47.0.277.g8800431eea-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\nIn order to bind multiple buffers to the same request in ISP, like\nmtkisp7, this patch extends V4L2 videodevice to accept media request\nAPI.\n\nThis might be reviewed together with patch\n`Add request API support for media controller device`. We might also\nconsider passing `MediaDevice::Request` instead of the file descriptor\ninteger.\n\nThis patch passes gitlab pipeline:\nhttps://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1306526\n\nBR,\nHarvey\n\nHan-Lin Chen (1):\n libcamera: Extend V4L2 videodevice to accept media request API\n\n include/libcamera/internal/v4l2_videodevice.h | 2 +-\n src/libcamera/v4l2_videodevice.cpp | 7 ++++++-\n 2 files changed, 7 insertions(+), 2 deletions(-)" }