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{
    "id": 22392,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/22392/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22392/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
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    "msgid": "<20241218083610.2397879-2-naush@raspberrypi.com>",
    "date": "2024-12-18T08:34:18",
    "name": "[v2,1/4] ipa: rpi: Use r-value references in the set()/setLocked() functions",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "d237d1f42ed2e212fdd602dc3a771d1545b22150",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22392/mbox/",
    "series": [
        {
            "id": 4910,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4910/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4910",
            "date": "2024-12-18T08:34:17",
            "name": "Raspberry Pi: Various changes",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/4910/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22392/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22392/checks/",
    "tags": {},
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        "From": "Naushir Patuck <naush@raspberrypi.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Naushir Patuck <naush@raspberrypi.com>,\n\tDavid Plowman <david.plowman@raspberrypi.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "Subject": "[PATCH v2 1/4] ipa: rpi: Use r-value references in the\n\tset()/setLocked() functions",
        "Date": "Wed, 18 Dec 2024 08:34:18 +0000",
        "Message-ID": "<20241218083610.2397879-2-naush@raspberrypi.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20241218083610.2397879-1-naush@raspberrypi.com>",
        "References": "<20241218083610.2397879-1-naush@raspberrypi.com>",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Use an r-value reference in set() and setLocked(), allowing more\nefficient metadata handling with std::forward and std::move if needed.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nReviewed-by: David Plowman <david.plowman@raspberrypi.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/ipa/rpi/controller/metadata.h | 9 +++++----\n 1 file changed, 5 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/ipa/rpi/controller/metadata.h b/src/ipa/rpi/controller/metadata.h\nindex b4650d25170f..b884490918c7 100644\n--- a/src/ipa/rpi/controller/metadata.h\n+++ b/src/ipa/rpi/controller/metadata.h\n@@ -12,6 +12,7 @@\n #include <map>\n #include <mutex>\n #include <string>\n+#include <utility>\n \n #include <libcamera/base/thread_annotations.h>\n \n@@ -36,10 +37,10 @@ public:\n \t}\n \n \ttemplate<typename T>\n-\tvoid set(std::string const &tag, T const &value)\n+\tvoid set(std::string const &tag, T &&value)\n \t{\n \t\tstd::scoped_lock lock(mutex_);\n-\t\tdata_[tag] = value;\n+\t\tdata_[tag] = std::forward<T>(value);\n \t}\n \n \ttemplate<typename T>\n@@ -104,10 +105,10 @@ public:\n \t}\n \n \ttemplate<typename T>\n-\tvoid setLocked(std::string const &tag, T const &value)\n+\tvoid setLocked(std::string const &tag, T &&value)\n \t{\n \t\t/* Use this only if you're holding the lock yourself. */\n-\t\tdata_[tag] = value;\n+\t\tdata_[tag] = std::forward<T>(value);\n \t}\n \n \t/*\n",
    "prefixes": [
        "v2",
        "1/4"
    ]
}