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{ "id": 23324, "url": "https://patchwork.libcamera.org/api/covers/23324/?format=api", "web_url": "https://patchwork.libcamera.org/cover/23324/", "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": "<20250501095818.3996419-1-barnabas.pocze@ideasonboard.com>", "date": "2025-05-01T09:58:15", "name": "[v2,0/3] libcamera: controls: String controls as `std::string_view`", "submitter": { "id": 216, "url": "https://patchwork.libcamera.org/api/people/216/?format=api", "name": "Barnabás Pőcze", "email": "barnabas.pocze@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/23324/mbox/", "series": [ { "id": 5157, "url": "https://patchwork.libcamera.org/api/series/5157/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5157", "date": "2025-05-01T09:58:15", "name": "libcamera: controls: String controls as `std::string_view`", "version": 2, "mbox": "https://patchwork.libcamera.org/series/5157/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/23324/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 8E549BE08B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 1 May 2025 09:58:24 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id B7B2268ADC;\n\tThu, 1 May 2025 11:58:23 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6216068ACC\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 1 May 2025 11:58:22 +0200 (CEST)", "from pb-laptop.local (185.221.143.50.nat.pool.zt.hu\n\t[185.221.143.50])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 450AA2E0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 1 May 2025 11:58:15 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"UK+2opQ8\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1746093495;\n\tbh=INfHlWHcmHZmmKqtY4vUpLGgUUwXbuYzrAgms6ycLOc=;\n\th=From:To:Subject:Date:From;\n\tb=UK+2opQ89d0thN1aRrZxsr55ZssVBLmiGdavncpSzIq2mukJAwWBHM8HOaKsVAHI1\n\ta95UjCbDCYnf6U4uALoYd8Pb3WYKpYYOobmFMUg/hq+iLABqZQU92aFZRvXwJ1NOjz\n\t8NGsfNrz9KK42FtTQqRHYFDrlCcyFXFJtvKlT4c4=", "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Subject": "[PATCH v2 0/3] libcamera: controls: String controls as\n\t`std::string_view`", "Date": "Thu, 1 May 2025 11:58:15 +0200", "Message-ID": "<20250501095818.3996419-1-barnabas.pocze@ideasonboard.com>", "X-Mailer": "git-send-email 2.49.0", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "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": "This change brings string controls in line with other controls in that\nno non-trivial copies will be made when a value is retrieved from a\n`ControlValue` instance.\n\nhttps://bugs.libcamera.org/show_bug.cgi?id=256\n\nchanges in v2:\n * fix rebuilding when controls.py is modified\n\nv1: https://patchwork.libcamera.org/cover/23204/\n\nBarnabás Pőcze (3):\n apps: cam: capture_script: Disallow arrays of strings\n utils: codegen: Make users depend on `controls.py` in meson\n libcamera: controls: Expose string controls as `std::string_view`\n\n include/libcamera/control_ids.h.in | 1 +\n include/libcamera/controls.h | 15 ++++++++-------\n include/libcamera/meson.build | 1 +\n src/apps/cam/capture_script.cpp | 6 +-----\n src/apps/cam/main.cpp | 2 +-\n src/apps/common/dng_writer.cpp | 2 +-\n src/apps/qcam/cam_select_dialog.cpp | 6 +++---\n src/gstreamer/meson.build | 1 +\n src/libcamera/meson.build | 1 +\n src/py/libcamera/meson.build | 2 ++\n src/py/libcamera/py_helpers.cpp | 4 ++--\n test/controls/control_value.cpp | 4 ++--\n utils/codegen/controls.py | 2 +-\n utils/codegen/meson.build | 2 ++\n 14 files changed, 27 insertions(+), 22 deletions(-)\n\n--\n2.49.0" }