From patchwork Fri Jun 6 16:41:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= X-Patchwork-Id: 23498 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 79026C3325 for ; Fri, 6 Jun 2025 16:42:50 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id F358068DDB; Fri, 6 Jun 2025 18:42:49 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="epNGjGQm"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id BAC2B68DD1 for ; Fri, 6 Jun 2025 18:42:19 +0200 (CEST) Received: from pb-laptop.local (185.182.215.79.nat.pool.zt.hu [185.182.215.79]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 3AE068DB; Fri, 6 Jun 2025 18:42:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1749228135; bh=lvSUfnI63UmjzaOOoai8j6Ns3gn4AujTEvGIQVxbfUg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=epNGjGQm7DGKFkzaGvHZPh7dGhZEdfMhYFzvk2F/lIiOZymn0WthoL/JhQxFtUJ4b vUuW/dkFViyxPUv3wg5gWlNOk1FdrRvZF8e8iwbQ4PjTqUGdYh2D7i5iT6OUaCXASa HVUH/6s+Y45Zdp3jTun9BudSrbnCMSzTKsYrRJos= From: =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= To: libcamera-devel@lists.libcamera.org Cc: Jacopo Mondi Subject: [RFC PATCH v1 17/23] [DNI] apps: cam: Use Camera::metadataAvailable signal Date: Fri, 6 Jun 2025 18:41:50 +0200 Message-ID: <20250606164156.1442682-18-barnabas.pocze@ideasonboard.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250606164156.1442682-1-barnabas.pocze@ideasonboard.com> References: <20250606164156.1442682-1-barnabas.pocze@ideasonboard.com> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" From: Jacopo Mondi Handle the Camera::metadataAvailable signal and print the metadata list. Use the --metadata option of cam to validate that the metadata list in Request::metadata() matches the accumulated results. --- Original: https://patchwork.libcamera.org/patch/22234/ --- src/apps/cam/camera_session.cpp | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/apps/cam/camera_session.cpp b/src/apps/cam/camera_session.cpp index f6894340b..e50b26a5a 100644 --- a/src/apps/cam/camera_session.cpp +++ b/src/apps/cam/camera_session.cpp @@ -285,6 +285,17 @@ int CameraSession::start() camera_->requestCompleted.connect(this, &CameraSession::requestComplete); + if (printMetadata_) { + camera_->metadataAvailable.connect(this, [](Request *r, MetadataList::Diff update) { + std::cout << ">> early metadata for " << r->sequence() << " with " << update.size() << " entries {\n"; + for (auto &&[tag, v] : update) { + const auto *id = controls::controls.at(tag); + std::cout << '\t' << id->name() << " = " << v << '\n'; + } + std::cout << "}" << std::endl; + }); + } + #ifdef HAVE_KMS if (options_.isSet(OptDisplay)) sink_ = std::make_unique(options_[OptDisplay].toString());