{"id":10136,"url":"https://patchwork.libcamera.org/api/patches/10136/?format=json","web_url":"https://patchwork.libcamera.org/patch/10136/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20201020180534.36855-4-jacopo@jmondi.org>","date":"2020-10-20T18:05:24","name":"[libcamera-devel,v2,03/13] libcamera: controls: Add supported values to ControlInfo","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"b7d03b701e21c527f4b8ed95f3363ec640d17b9d","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/10136/mbox/","series":[{"id":1391,"url":"https://patchwork.libcamera.org/api/series/1391/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1391","date":"2020-10-20T18:05:21","name":"libcamera: Introduce draft controls","version":2,"mbox":"https://patchwork.libcamera.org/series/1391/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/10136/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/10136/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 90E8CBDB1F\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 20 Oct 2020 16:05:19 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4E2C161DD5;\n\tTue, 20 Oct 2020 18:05:19 +0200 (CEST)","from relay10.mail.gandi.net (relay10.mail.gandi.net\n\t[217.70.178.230])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 056A061DAB\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 20 Oct 2020 18:05:16 +0200 (CEST)","from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay10.mail.gandi.net (Postfix) with ESMTPSA id 69B50240012;\n\tTue, 20 Oct 2020 16:05:15 +0000 (UTC)"],"From":"Jacopo Mondi <jacopo@jmondi.org>","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 20 Oct 2020 20:05:24 +0200","Message-Id":"<20201020180534.36855-4-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.28.0","In-Reply-To":"<20201020180534.36855-1-jacopo@jmondi.org>","References":"<20201020180534.36855-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH v2 03/13] libcamera: controls: Add\n\tsupported values to 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>","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Add to the ControlInfo class a list of supported values that can be\nprovided at construction time and retrieved through an accessor method.\n\nThis is meant to support controls that have an enumerated list of\nsupported values.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n include/libcamera/controls.h |  5 ++++-\n src/libcamera/controls.cpp   | 22 +++++++++++++++++++---\n 2 files changed, 23 insertions(+), 4 deletions(-)","diff":"diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 80944efc133a..d1f6d4490c35 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -267,11 +267,13 @@ class ControlInfo\n public:\n \texplicit ControlInfo(const ControlValue &min = 0,\n \t\t\t     const ControlValue &max = 0,\n-\t\t\t     const ControlValue &def = 0);\n+\t\t\t     const ControlValue &def = 0,\n+\t\t\t     const std::vector<ControlValue> &values = {});\n \n \tconst ControlValue &min() const { return min_; }\n \tconst ControlValue &max() const { return max_; }\n \tconst ControlValue &def() const { return def_; }\n+\tconst std::vector<ControlValue> &values() const { return values_; }\n \n \tstd::string toString() const;\n \n@@ -289,6 +291,7 @@ private:\n \tControlValue min_;\n \tControlValue max_;\n \tControlValue def_;\n+\tstd::vector<ControlValue> values_;\n };\n \n using ControlIdMap = std::unordered_map<unsigned int, const ControlId *>;\ndiff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex dca782667d88..61feee37a1b8 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -479,15 +479,17 @@ void ControlValue::reserve(ControlType type, bool isArray, std::size_t numElemen\n  */\n \n /**\n- * \\brief Construct a ControlInfo with minimum and maximum range parameters\n+ * \\brief Construct a ControlInfo with parameters\n  * \\param[in] min The control minimum value\n  * \\param[in] max The control maximum value\n  * \\param[in] def The control default value\n+ * \\param[in] values The control supported values\n  */\n ControlInfo::ControlInfo(const ControlValue &min,\n \t\t\t const ControlValue &max,\n-\t\t\t const ControlValue &def)\n-\t: min_(min), max_(max), def_(def)\n+\t\t\t const ControlValue &def,\n+\t\t\t const std::vector<ControlValue> &values)\n+\t: min_(min), max_(max), def_(def), values_(values)\n {\n }\n \n@@ -519,6 +521,20 @@ ControlInfo::ControlInfo(const ControlValue &min,\n  * \\return A ControlValue with the default value for the control\n  */\n \n+/**\n+ * \\fn ControlInfo::values()\n+ * \\brief Retrieve the values supported by the control\n+ *\n+ * For controls that support a pre-defined number of values, the enumeration of\n+ * those is reported through a vector of ControlValue instances accessible with\n+ * this method.\n+ *\n+ * If the control reports a list of supported values, setting values outside\n+ * of the reported ones results in undefined behaviour.\n+ *\n+ * \\return A vector of ControlValue instances with the supported values\n+ */\n+\n /**\n  * \\brief Provide a string representation of the ControlInfo\n  */\n","prefixes":["libcamera-devel","v2","03/13"]}