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{ "id": 12766, "url": "https://patchwork.libcamera.org/api/patches/12766/?format=api", "web_url": "https://patchwork.libcamera.org/patch/12766/", "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": "<20210702103800.41291-2-paul.elder@ideasonboard.com>", "date": "2021-07-02T10:37:45", "name": "[libcamera-devel,RFC,v3,01/16] controls: Add boolean constructor for ControlInfo", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "ef97252a52a97a0153b7a1bf333438221c19a7af", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": { "id": 17, "url": "https://patchwork.libcamera.org/api/users/17/?format=api", "username": "epaul", "first_name": "Paul", "last_name": "Elder", "email": "paul.elder@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/patch/12766/mbox/", "series": [ { "id": 2199, "url": "https://patchwork.libcamera.org/api/series/2199/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2199", "date": "2021-07-02T10:37:44", "name": "Preliminary FULL plumbing", "version": 3, "mbox": "https://patchwork.libcamera.org/series/2199/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/12766/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/12766/checks/", "tags": {}, "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 56955C3222\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 2 Jul 2021 10:38:16 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 081D5684EA;\n\tFri, 2 Jul 2021 12:38:16 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B4400684F4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 2 Jul 2021 12:38:14 +0200 (CEST)", "from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 29E874AB;\n\tFri, 2 Jul 2021 12:38:12 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"bgxVp09D\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1625222294;\n\tbh=z9IJjouWybFV7nry8bVO05OXCZmi4nqmm270vwxuz2g=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=bgxVp09D7n3EbiD1OrisfcoeaVBC/X6rBF/wm7vXj7gfO5aGEWkZw2RBET24oSps6\n\t8veV5jHJkFHQ9Ht1SQZuVNg7RjnXfEVheertu1U+CTtGq+VWrfKrfyoGl3fg7TaMZ/\n\tcTzW/td8ZTkOgSPhPoBsmWI5gSITyPK2Xbf66ifI=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 2 Jul 2021 19:37:45 +0900", "Message-Id": "<20210702103800.41291-2-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20210702103800.41291-1-paul.elder@ideasonboard.com>", "References": "<20210702103800.41291-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH v3 01/16] controls: Add boolean\n\tconstructor for ControlInfo", "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": "It would be convenient to be able to iterate over available boolean\nvalues, for example for controls that designate if some function can be\nenabled/disabled. The current min/max/def constructor is insufficient,\nas .values() is empty, so the values cannot be easily iterated over, and\ncreating a Span of booleans does not work for the values constructor.\n\nAdd a new constructor to ControlInfo that takes a Span of booleans (to\nallow specifiying one or two available values), and a default. The\ndefault value is not optional, as it doesn't make sense to have a silent\ndefault for boolean values.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\nNew in v3\n---\n include/libcamera/controls.h | 1 +\n src/libcamera/controls.cpp | 20 ++++++++++++++++++++\n 2 files changed, 21 insertions(+)", "diff": "diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 1bc958a4..2dd147c8 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -272,6 +272,7 @@ public:\n \t\t\t const ControlValue &def = 0);\n \texplicit ControlInfo(Span<const ControlValue> values,\n \t\t\t const ControlValue &def = {});\n+\texplicit ControlInfo(Span<const bool> values, bool def);\n \n \tconst ControlValue &min() const { return min_; }\n \tconst ControlValue &max() const { return max_; }\ndiff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex 34317fa0..e32e22e2 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -514,6 +514,26 @@ ControlInfo::ControlInfo(Span<const ControlValue> values,\n \t\tvalues_.push_back(value);\n }\n \n+/**\n+ * \\brief Construct a ControlInfo from a list of valid boolean values\n+ * \\param[in] values The control valid boolean vaalues\n+ * \\param[in] def The control default boolean value\n+ *\n+ * Construct a ControlInfo from a list of valid boolean values. The ControlInfo\n+ * minimum and maximum values are set to the first and last members of the\n+ * values list respectively. The default value is set to \\a def.\n+ */\n+ControlInfo::ControlInfo(Span<const bool> values, bool def)\n+\t: def_(def)\n+{\n+\tmin_ = values.front();\n+\tmax_ = values.back();\n+\n+\tvalues_.reserve(2);\n+\tfor (const bool &value : values)\n+\t\tvalues_.push_back(value);\n+}\n+\n /**\n * \\fn ControlInfo::min()\n * \\brief Retrieve the minimum value of the control\n", "prefixes": [ "libcamera-devel", "RFC", "v3", "01/16" ] }