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{ "id": 2131, "url": "https://patchwork.libcamera.org/api/patches/2131/?format=api", "web_url": "https://patchwork.libcamera.org/patch/2131/", "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": "<20191007224642.6597-4-laurent.pinchart@ideasonboard.com>", "date": "2019-10-07T22:46:36", "name": "[libcamera-devel,3/9] libcamera: controls: Store control name in ControlId", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "3f3d0a8c31d24d1a0824ce628b50608f1f5e7870", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/2131/mbox/", "series": [ { "id": 526, "url": "https://patchwork.libcamera.org/api/series/526/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=526", "date": "2019-10-07T22:46:33", "name": "Use ControlList for both libcamera and V4L2 controls", "version": 1, "mbox": "https://patchwork.libcamera.org/series/526/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/2131/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/2131/checks/", "tags": {}, "headers": { "Return-Path": "<laurent.pinchart@ideasonboard.com>", "Received": [ "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id D38B76196D\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 8 Oct 2019 00:46:53 +0200 (CEST)", "from pendragon.ideasonboard.com\n\t(modemcable118.64-20-96.mc.videotron.ca [96.20.64.118])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DD8CDB2D\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 8 Oct 2019 00:46:52 +0200 (CEST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1570488413;\n\tbh=Or7twWIOEHG3Sh66YjvPhV7jDAQxmDeF4WX3kjWOeBQ=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=Q5pTExUdclVbmBhpwDorEfH+Db3swQRm6UexUvSbhOfy9wDh9Q7NWOUByer4HnSJ+\n\tBjlRcxuzy0vgZSvAa0mPCWNRbpFHtyr+ZdiKziejrM39wg1xTHl4JuIUJUPASO20u1\n\tD2qSPdB5HovAIi/3encaTisiBO8dbQwfB1fi4zwM=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 8 Oct 2019 01:46:36 +0300", "Message-Id": "<20191007224642.6597-4-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.21.0", "In-Reply-To": "<20191007224642.6597-1-laurent.pinchart@ideasonboard.com>", "References": "<20191007224642.6597-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 3/9] libcamera: controls: Store control\n\tname in ControlId", "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>", "X-List-Received-Date": "Mon, 07 Oct 2019 22:46:54 -0000" }, "content": "The ControlId class stores a pointer to the control name. This works\nfine for statically-defined controls, but requires code that allocates\ncontrols dynamically (for instance based on control discovery on a V4L2\ndevice) to keep a list of control names in separate storage. To ease\nusage of dynamically allocated controls, store a copy of the control\nname string in the ControlId class.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/controls.h | 6 +++---\n src/libcamera/controls.cpp | 2 +-\n 2 files changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 49ff1a6f747f..a5a6a135ec16 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -54,11 +54,11 @@ class ControlId\n {\n public:\n \tunsigned int id() const { return id_; }\n-\tconst char *name() const { return name_; }\n+\tconst std::string &name() const { return name_; }\n \tControlType type() const { return type_; }\n \n protected:\n-\tControlId(unsigned int id, const char *name, ControlType type)\n+\tControlId(unsigned int id, const std::string &name, ControlType type)\n \t\t: id_(id), name_(name), type_(type)\n \t{\n \t}\n@@ -68,7 +68,7 @@ private:\n \tControlId &operator=(const ControlId &) = delete;\n \n \tunsigned int id_;\n-\tconst char *name_;\n+\tstd::string name_;\n \tControlType type_;\n };\n \ndiff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex f862a09adef9..e528dd80a2a7 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -205,7 +205,7 @@ std::string ControlValue::toString() const\n */\n \n /**\n- * \\fn ControlId::ControlId(unsigned int id, const char *name, ControlType type)\n+ * \\fn ControlId::ControlId(unsigned int id, const std::string &name, ControlType type)\n * \\brief Construct a ControlId instance\n * \\param[in] id The control numerical ID\n * \\param[in] name The control name\n", "prefixes": [ "libcamera-devel", "3/9" ] }