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{
    "id": 2129,
    "url": "https://patchwork.libcamera.org/api/patches/2129/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/2129/",
    "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": "<20191007224642.6597-2-laurent.pinchart@ideasonboard.com>",
    "date": "2019-10-07T22:46:34",
    "name": "[libcamera-devel,1/9] libcamera: control_ids: Generate map of all supported controls",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "24542a3a3483374b05e0a939182d4223969f7732",
    "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/2129/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/2129/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/2129/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B5E2961966\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  8 Oct 2019 00:46:51 +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 D44FEB2E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  8 Oct 2019 00:46:50 +0200 (CEST)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1570488411;\n\tbh=IxLRHr79EuWaBR9GOp4FgtsR3K5J2Sj37RJ+4GRv4Is=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=mHJdgOBvmY6tHmn68B0T2UrBgtU2ZH684A4nqyL1lKaFzOrAPWLKCpE+sb/tSuSl1\n\t02Zv0KIzXHyxI5cbpYWJG6VZiKLPg2qDAOhyCStkgxk37SJoexyH1frwyl1TlRG7b7\n\tPjvOTcKZPummzGFtYSk9BzC91jFPFtp2XYnj+S8o=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue,  8 Oct 2019 01:46:34 +0300",
        "Message-Id": "<20191007224642.6597-2-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 1/9] libcamera: control_ids: Generate map\n\tof all supported controls",
        "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 22:46:51 -0000"
    },
    "content": "In order to deserialise a ControlList, we will need to lookup ControlId\ninstances based on their numerical ID. Generate a global map from the\ncontrols definitions to support such a lookup.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/control_ids.h.in | 3 +++\n src/libcamera/control_ids.cpp.in   | 7 +++++++\n src/libcamera/gen-controls.py      | 7 ++++++-\n 3 files changed, 16 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/include/libcamera/control_ids.h.in b/include/libcamera/control_ids.h.in\nindex 1d0bc791e559..30b2bae8a9ae 100644\n--- a/include/libcamera/control_ids.h.in\n+++ b/include/libcamera/control_ids.h.in\n@@ -10,6 +10,7 @@\n #ifndef __LIBCAMERA_CONTROL_IDS_H__\n #define __LIBCAMERA_CONTROL_IDS_H__\n \n+#include <map>\n #include <stdint.h>\n \n #include <libcamera/controls.h>\n@@ -24,6 +25,8 @@ ${ids}\n \n ${controls}\n \n+extern const std::map<unsigned int, const ControlId *> controls;\n+\n } /* namespace controls */\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/control_ids.cpp.in b/src/libcamera/control_ids.cpp.in\nindex f699ac9eea54..f0656d3147b1 100644\n--- a/src/libcamera/control_ids.cpp.in\n+++ b/src/libcamera/control_ids.cpp.in\n@@ -20,6 +20,13 @@ namespace controls {\n \n ${controls}\n \n+/**\n+ * \\brief List of all supported libcamera controls\n+ */\n+extern const std::map<unsigned int, const ControlId *> controls {\n+${controls_map}\n+};\n+\n } /* namespace controls */\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/gen-controls.py b/src/libcamera/gen-controls.py\nindex 0899e40b4080..0c4bd79eee5b 100755\n--- a/src/libcamera/gen-controls.py\n+++ b/src/libcamera/gen-controls.py\n@@ -23,6 +23,7 @@ ${description}\n extern const Control<${type}> ${name}(${id_name}, \"${name}\");''')\n \n     ctrls = []\n+    ctrls_map = []\n \n     for ctrl in controls:\n         name, ctrl = ctrl.popitem()\n@@ -40,8 +41,12 @@ extern const Control<${type}> ${name}(${id_name}, \"${name}\");''')\n         }\n \n         ctrls.append(template.substitute(info))\n+        ctrls_map.append('\\t{ ' + id_name + ', &' + name + ' },')\n \n-    return {'controls': '\\n\\n'.join(ctrls)}\n+    return {\n+        'controls': '\\n\\n'.join(ctrls),\n+        'controls_map': '\\n'.join(ctrls_map),\n+    }\n \n \n def generate_h(controls):\n",
    "prefixes": [
        "libcamera-devel",
        "1/9"
    ]
}