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{ "id": 13571, "url": "https://patchwork.libcamera.org/api/1.1/covers/13571/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13571/", "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": "<20210831063438.785767-1-hiroh@chromium.org>", "date": "2021-08-31T06:34:33", "name": "[libcamera-devel,0/5] Improve/Clean up post processors code in android", "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/13571/mbox/", "series": [ { "id": 2423, "url": "https://patchwork.libcamera.org/api/1.1/series/2423/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2423", "date": "2021-08-31T06:34:33", "name": "Improve/Clean up post processors code in android", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2423/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13571/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 2D46DBD87D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 31 Aug 2021 06:35:07 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6DB1F6916B;\n\tTue, 31 Aug 2021 08:35:06 +0200 (CEST)", "from mail-pf1-x429.google.com (mail-pf1-x429.google.com\n\t[IPv6:2607:f8b0:4864:20::429])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8474B60137\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 31 Aug 2021 08:35:04 +0200 (CEST)", "by mail-pf1-x429.google.com with SMTP id g14so14180562pfm.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 30 Aug 2021 23:35:04 -0700 (PDT)", "from hiroh2.tok.corp.google.com\n\t([2401:fa00:8f:203:3c62:aba4:18ea:5441])\n\tby smtp.gmail.com with ESMTPSA id\n\td17sm16304027pfn.110.2021.08.30.23.35.00\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tMon, 30 Aug 2021 23:35:02 -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=\"UtuWWnSK\"; 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\n\tMon, 30 Aug 2021 23:35:02 -0700 (PDT)", "From": "Hirokazu Honda <hiroh@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 31 Aug 2021 15:34:33 +0900", "Message-Id": "<20210831063438.785767-1-hiroh@chromium.org>", "X-Mailer": "git-send-email 2.33.0.259.gc128427fd7-goog", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/5] Improve/Clean up post processors code\n\tin android", "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": "This patch series basically improves and clean ups by some variable\ntypes with MappedBuffer. I also introduce a new MappedBuffer class for\nplanes that are originated in heap i.e. std::vector<uint8_t>.\n\nAlthough this is not done in the patch, ideally we should remove all\nthe stride computation in the post processor code. Even though the\nplane address is acquired by MappedBuffer::planes(), the post\nprocessing is done with the manual stride computation. It might be\ndifferent from the actual stride of the plane.\nI think MappedBuffer should provide strides() like CameraBuffer.\n\nHirokazu Honda (5):\n android: yuv: Use CameraBuffer::stride() in PostProcessorYuv\n android: jpeg: thumbnailer: Use MappedFrameBuffer::planes()\n mapped_framebuffer: Introduce MappedVectorBuffer\n thumbnailer: Change the type of thumbnail to MappedBuffer\n android: encoder_libjpeg: Use MappedBuffer for the source frame\n\n .../libcamera/internal/mapped_framebuffer.h | 9 ++++++\n src/android/jpeg/encoder_libjpeg.cpp | 28 +++++++++++--------\n src/android/jpeg/encoder_libjpeg.h | 7 +++--\n src/android/jpeg/post_processor_jpeg.cpp | 14 ++++++----\n src/android/jpeg/thumbnailer.cpp | 14 ++++++----\n src/android/jpeg/thumbnailer.h | 6 +++-\n src/android/yuv/post_processor_yuv.cpp | 13 +++++----\n src/android/yuv/post_processor_yuv.h | 1 -\n src/libcamera/mapped_framebuffer.cpp | 17 +++++++++++\n 9 files changed, 75 insertions(+), 34 deletions(-)\n\n--\n2.33.0.259.gc128427fd7-goog" }