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{ "id": 13443, "url": "https://patchwork.libcamera.org/api/covers/13443/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13443/", "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": "<20210823131221.1034059-1-hiroh@chromium.org>", "date": "2021-08-23T13:12:11", "name": "[libcamera-devel,RFC,v2,00/10] Add offset to FrameBuffer::Plane", "submitter": { "id": 63, "url": "https://patchwork.libcamera.org/api/people/63/?format=api", "name": "Hirokazu Honda", "email": "hiroh@chromium.org" }, "mbox": "https://patchwork.libcamera.org/cover/13443/mbox/", "series": [ { "id": 2386, "url": "https://patchwork.libcamera.org/api/series/2386/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2386", "date": "2021-08-23T13:12:11", "name": "Add offset to FrameBuffer::Plane", "version": 2, "mbox": "https://patchwork.libcamera.org/series/2386/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13443/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 74D13BD87C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 23 Aug 2021 13:12:36 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9C920688A6;\n\tMon, 23 Aug 2021 15:12:35 +0200 (CEST)", "from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com\n\t[IPv6:2607:f8b0:4864:20::102e])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id BAB0C68892\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 23 Aug 2021 15:12:33 +0200 (CEST)", "by mail-pj1-x102e.google.com with SMTP id\n\tj4-20020a17090a734400b0018f6dd1ec97so1303238pjs.3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 23 Aug 2021 06:12:33 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:184e:5d20:8fcb:dfcd])\n\tby smtp.gmail.com with ESMTPSA id\n\tj4sm18596891pgi.6.2021.08.23.06.12.29\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tMon, 23 Aug 2021 06:12:31 -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=\"kefk4LrC\"; 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\n\tMon, 23 Aug 2021 06:12:31 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 23 Aug 2021 22:12:11 +0900", "Message-Id": "<20210823131221.1034059-1-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.33.0.rc2.250.ged5fa647cd-goog", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH v2 00/10] Add offset to\n\tFrameBuffer::Plane", "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": "Since FrameBuffer::Plane doesn't have an offset variable, it is\nimpossible to map the FrameBuffer::Plane correctly. This series fixes\nthe issue by adding an offset and aligns some code of mapping and\ncreating FrameBuffer::Plane with the new offset.\n\nOne of the pateches fixes V4L2Device to make a returned FrameBuffer\ncolor format planes from v4l2 format planes. However, V4L2 API doesn't\nprovide a way of getting a dmabuf plane offset, so a multi planar\nformat e.g. V4L2_PIX_FMT_NV12M is not supported with this patch series.\n\nThis series must be applied on top of the pacth series whose id is 2384.\ncf.) https://patchwork.libcamera.org/project/libcamera/list/?series=2384\n\nChange in v2:\n- adress review comments to v1\n\n\nHirokazu Honda (10):\n libcamera: framebuffer: Add offset to FrameBuffer::Plane\n libcamera: ipa_data_serializer: Modify (de)serialization for offset\n libcamera: mapped_framebuffer: Return plane begin address by\n MappedBuffer::maps()\n cam: file_sink: Use offset in mapping FrameBuffer\n ipa: rkisp1: Use offset in mapping IPABuffer\n qcam: main_window: Use offset mapping FrameBuffer\n gstreamer: gstlibcameraallocator: Use offset in creating a buffer\n libcamera: v4l2_videodevice: Create color-format planes in\n createBuffer()\n android: camera_device: Fill offset and right length in\n CreateFrameBuffer()\n libcamera: framebuffer: Add assertion to detect offset is unfilled\n\n include/libcamera/framebuffer.h | 12 +-\n .../libcamera/internal/mapped_framebuffer.h | 5 +-\n include/libcamera/internal/v4l2_videodevice.h | 9 +-\n src/android/camera_device.cpp | 47 +++---\n src/android/camera_device.h | 6 +-\n src/android/mm/generic_camera_buffer.cpp | 2 -\n src/cam/file_sink.cpp | 22 ++-\n src/cam/file_sink.h | 1 +\n src/gstreamer/gstlibcameraallocator.cpp | 4 +-\n src/ipa/rkisp1/rkisp1.cpp | 31 ++--\n src/libcamera/framebuffer.cpp | 31 ++--\n src/libcamera/ipa_data_serializer.cpp | 5 +-\n src/libcamera/mapped_framebuffer.cpp | 76 +++++++--\n src/libcamera/v4l2_videodevice.cpp | 147 ++++++++++++++----\n src/qcam/main_window.cpp | 16 +-\n src/qcam/main_window.h | 1 +\n test/v4l2_videodevice/buffer_cache.cpp | 6 +-\n 17 files changed, 309 insertions(+), 112 deletions(-)\n\n--\n2.33.0.rc2.250.ged5fa647cd-goog" }