{"id":23203,"url":"https://patchwork.libcamera.org/api/patches/23203/?format=json","web_url":"https://patchwork.libcamera.org/patch/23203/","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":"<20250422124401.29968-1-barnabas.pocze@ideasonboard.com>","date":"2025-04-22T12:44:01","name":"[v1] libcamera: controls: Arrays of arrays are not supported","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"ff2fbb6e9b5d6703ebbffe384b379c1e8df74fa0","submitter":{"id":216,"url":"https://patchwork.libcamera.org/api/people/216/?format=json","name":"Barnabás Pőcze","email":"barnabas.pocze@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/23203/mbox/","series":[{"id":5138,"url":"https://patchwork.libcamera.org/api/series/5138/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5138","date":"2025-04-22T12:44:01","name":"[v1] libcamera: controls: Arrays of arrays are not supported","version":1,"mbox":"https://patchwork.libcamera.org/series/5138/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/23203/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/23203/checks/","tags":{},"headers":{"Return-Path":"","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 849BCC327D\n\tfor ;\n\tTue, 22 Apr 2025 12:44:08 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2449E68ACA;\n\tTue, 22 Apr 2025 14:44:07 +0200 (CEST)","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 3B1C4617E3\n\tfor ;\n\tTue, 22 Apr 2025 14:44:05 +0200 (CEST)","from pb-laptop.local (185.221.143.16.nat.pool.zt.hu\n\t[185.221.143.16])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 8D8D1250\n\tfor ;\n\tTue, 22 Apr 2025 14:41:57 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"RrJJG1Yg\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1745325717;\n\tbh=FCmD+7muEQP5Snl3eI9Zefv91OFNc5uKqLvcTe5YPew=;\n\th=From:To:Subject:Date:From;\n\tb=RrJJG1YgejnHh5XeMn2Qb02eHUnK4aUOy7kolMeITxcTKdVhDXeLje3Wpi367vDeo\n\teaICdR/pddE6e6LEW+gK7va6YKuQBartpZzuj/UCEIqxjDWgK+DBK78KjOBIM2pKan\n\t5YXm6CzvVb+67efS0qiq8oLs6O5Ck8cqUO5OBBJ8=","From":"=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= ","To":"libcamera-devel@lists.libcamera.org","Subject":"[PATCH v1] libcamera: controls: Arrays of arrays are not supported","Date":"Tue, 22 Apr 2025 14:44:01 +0200","Message-ID":"<20250422124401.29968-1-barnabas.pocze@ideasonboard.com>","X-Mailer":"git-send-email 2.49.0","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Arrays of arrays, even arrays of strings, are not supported by\nthe current `ControlValue` mechanism, so disable them for now\nto trigger comptime errors if attempts are made to use them.\n\nSigned-off-by: Barnabás Pőcze \n---\n include/libcamera/controls.h | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 326452540..427517a02 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -121,7 +121,7 @@ struct control_type {\n };\n \n template\n-struct control_type> : public control_type> {\n+struct control_type, std::enable_if_t>::size == 0>> : public control_type> {\n \tstatic constexpr std::size_t size = N;\n };\n \n","prefixes":["v1"]}