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{
    "id": 12983,
    "url": "https://patchwork.libcamera.org/api/patches/12983/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/12983/",
    "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": "<20210715211459.19373-13-laurent.pinchart@ideasonboard.com>",
    "date": "2021-07-15T21:14:38",
    "name": "[libcamera-devel,v3,12/33] cam: stream_options: Use OptionValue::empty() to test if option is set",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "80d67222f5b5b47fdd0cbdd7329b3e5c2da0d212",
    "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/12983/mbox/",
    "series": [
        {
            "id": 2242,
            "url": "https://patchwork.libcamera.org/api/series/2242/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2242",
            "date": "2021-07-15T21:14:26",
            "name": "Multi-camera support in the cam application",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/2242/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/12983/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/12983/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 7D56DC3226\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 15 Jul 2021 21:15:22 +0000 (UTC)",
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        ],
        "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=\"hihWU3iS\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1626383708;\n\tbh=Vkh0ETeAXWiugU82j7iAZryFOaWpBSN7HlI/fPLcuZY=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=hihWU3iSMu4lb2rllS2ccSwXot8EBty6/iBRlxQd6mKXQjgmM9HrvqI78Zv2OX5U2\n\tVCLIIR/FGVJ8Bn2mcQ1IFi85ffSENKXUn+AJ7QU2ETtOPJdnX9GWkZhgbjTsYDbfj9\n\tOmb6eVVxbmexAySukcCp2HsuxV5KFBlilBFhKTD0=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 16 Jul 2021 00:14:38 +0300",
        "Message-Id": "<20210715211459.19373-13-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20210715211459.19373-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20210715211459.19373-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v3 12/33] cam: stream_options: Use\n\tOptionValue::empty() to test if option is set",
        "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": "The roles() and updateConfiguration() functions check if the OptStream\nOptionValue they receive is empty by first casting it to an array. To\nprepare for the toArray() function not allowing such a cast when the\noption value is empty, test if the option value is empty instead.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/cam/stream_options.cpp | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/src/cam/stream_options.cpp b/src/cam/stream_options.cpp\nindex b90dbb97f087..150bd27caecf 100644\n--- a/src/cam/stream_options.cpp\n+++ b/src/cam/stream_options.cpp\n@@ -40,12 +40,12 @@ KeyValueParser::Options StreamKeyValueParser::parse(const char *arguments)\n \n StreamRoles StreamKeyValueParser::roles(const OptionValue &values)\n {\n-\tconst std::vector<OptionValue> &streamParameters = values.toArray();\n-\n \t/* If no configuration values to examine default to viewfinder. */\n-\tif (streamParameters.empty())\n+\tif (values.empty())\n \t\treturn { StreamRole::Viewfinder };\n \n+\tconst std::vector<OptionValue> &streamParameters = values.toArray();\n+\n \tStreamRoles roles;\n \tfor (auto const &value : streamParameters) {\n \t\tStreamRole role;\n@@ -63,17 +63,17 @@ StreamRoles StreamKeyValueParser::roles(const OptionValue &values)\n int StreamKeyValueParser::updateConfiguration(CameraConfiguration *config,\n \t\t\t\t\t      const OptionValue &values)\n {\n-\tconst std::vector<OptionValue> &streamParameters = values.toArray();\n-\n \tif (!config) {\n \t\tstd::cerr << \"No configuration provided\" << std::endl;\n \t\treturn -EINVAL;\n \t}\n \n \t/* If no configuration values nothing to do. */\n-\tif (!streamParameters.size())\n+\tif (values.empty())\n \t\treturn 0;\n \n+\tconst std::vector<OptionValue> &streamParameters = values.toArray();\n+\n \tif (config->size() != streamParameters.size()) {\n \t\tstd::cerr\n \t\t\t<< \"Number of streams in configuration \"\n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "12/33"
    ]
}