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{ "id": 13301, "url": "https://patchwork.libcamera.org/api/1.1/covers/13301/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13301/", "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": "<20210811124015.2116188-1-hiroh@chromium.org>", "date": "2021-08-11T12:40:10", "name": "[libcamera-devel,RFC,0/5] MappedFrameBuffer::maps() returns the plane address", "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/13301/mbox/", "series": [ { "id": 2339, "url": "https://patchwork.libcamera.org/api/1.1/series/2339/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2339", "date": "2021-08-11T12:40:10", "name": "MappedFrameBuffer::maps() returns the plane address", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2339/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13301/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 7C293BD87D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 11 Aug 2021 12:40:26 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id EA4836884F;\n\tWed, 11 Aug 2021 14:40:25 +0200 (CEST)", "from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com\n\t[IPv6:2607:f8b0:4864:20::1030])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C007A68826\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 11 Aug 2021 14:40:24 +0200 (CEST)", "by mail-pj1-x1030.google.com with SMTP id\n\tlw7-20020a17090b1807b029017881cc80b7so9296760pjb.3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 11 Aug 2021 05:40:24 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:ba11:c25e:242c:485d])\n\tby smtp.gmail.com with ESMTPSA id\n\tp30sm15722876pfh.116.2021.08.11.05.40.21\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 11 Aug 2021 05:40:22 -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=\"fyiIh3IZ\"; 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\n\tWed, 11 Aug 2021 05:40:22 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 11 Aug 2021 21:40:10 +0900", "Message-Id": "<20210811124015.2116188-1-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.32.0.605.g8dce9f2422-goog", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH 0/5] MappedFrameBuffer::maps() returns\n\tthe plane address", "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": "The goal is to acquire the plane address by MappedFrameBuffer::maps().\nCurrently it returns the address of the begging of a buffer where a\nplane exists.\n\nTo achieve this, it is necessary to not only change MappedFrameBuffer\nimplementation, but also fix codes of filling length in\nFrameBuffer::Plane. It is set to the buffer length, not plane length,\nin some places.\n\nHirokazu Honda (5):\n libcamera: mapped_framebuffer: Return plane begin address by\n MappedBuffer::maps()\n cam: file_sink: Fix wrong mapping planes\n android: camera_device: Fills the size of plane to\n FrameBuffer::Plane::length\n WIP: libcamera: V4L2VideoDevice: Fix a bug in CreateBuffer()\n WIP: android: jpeg: Use maps() and clean up\n\n .../libcamera/internal/mapped_framebuffer.h | 4 +-\n src/android/camera_device.cpp | 37 +++++------\n src/android/jpeg/encoder.h | 7 ++-\n src/android/jpeg/encoder_libjpeg.cpp | 32 +++-------\n src/android/jpeg/encoder_libjpeg.h | 10 +--\n src/android/jpeg/post_processor_jpeg.cpp | 21 +++++--\n src/android/jpeg/thumbnailer.cpp | 36 +++++++++--\n src/android/jpeg/thumbnailer.h | 4 +-\n src/cam/file_sink.cpp | 30 +++++++--\n src/cam/file_sink.h | 1 +\n src/libcamera/mapped_framebuffer.cpp | 61 ++++++++++++++++---\n src/libcamera/v4l2_videodevice.cpp | 15 ++++-\n 12 files changed, 178 insertions(+), 80 deletions(-)\n\n--\n2.32.0.605.g8dce9f2422-goog" }