From patchwork Thu Feb 4 14:35:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11145 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 151A1BD160 for ; Thu, 4 Feb 2021 14:34:48 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id A44876141A; Thu, 4 Feb 2021 15:34:47 +0100 (CET) Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 98B5A60305 for ; Thu, 4 Feb 2021 15:34:46 +0100 (CET) X-Originating-IP: 93.61.96.190 Received: from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) (Authenticated sender: jacopo@jmondi.org) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 44A0E4000C for ; Thu, 4 Feb 2021 14:34:46 +0000 (UTC) From: Jacopo Mondi To: libcamera-devel@lists.libcamera.org Date: Thu, 4 Feb 2021 15:35:03 +0100 Message-Id: <20210204143503.33498-1-jacopo@jmondi.org> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH] android: camera_device: Generate JPEG thumbnail sizes 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" The list of the available thumbnail sizes is generated from the list of available JPEG resolution, one for each aspect ratio. This change fixes the CTS test android.hardware.cts.CameraTest#testJpegThumbnailSize Signed-off-by: Jacopo Mondi Reviewed-by: Kieran Bingham --- src/android/camera_device.cpp | 39 ++++++++++++++++++++++++++++++----- 1 file changed, 34 insertions(+), 5 deletions(-) diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index df5e295656d7..0b699c957990 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -871,12 +871,41 @@ const camera_metadata_t *CameraDevice::getStaticMetadata() &availableControlModes, 1); /* JPEG static metadata. */ - std::vector availableThumbnailSizes = { - 0, 0, - }; + + /* + * Create the list of supported tumbnail sizes by inspecting the + * available JPEG resolutions collected in streamConfigurations_ and + * generate one entry for each aspect ratio. + * + * The JPEG thumbnailer can freely scale, so pick an arbitrary + * (160, 120) size as designated thumbnail size. + */ + constexpr Size maxJpegThumbnail(160, 120); + std::vector thumbnailSizes; + thumbnailSizes.push_back({ 0, 0 }); + for (const auto &entry : streamConfigurations_) { + if (entry.androidFormat != HAL_PIXEL_FORMAT_BLOB) + continue; + + Size thumbnailSize = maxJpegThumbnail + .boundedToAspectRatio({ entry.resolution.width, + entry.resolution.height }); + thumbnailSizes.push_back(thumbnailSize); + } + + std::sort(thumbnailSizes.begin(), thumbnailSizes.end()); + auto last = std::unique(thumbnailSizes.begin(), thumbnailSizes.end()); + thumbnailSizes.erase(last, thumbnailSizes.end()); + + /* Transform it in a list of integers that can be consumed. */ + std::vector thumbnailEntries; + thumbnailEntries.reserve(thumbnailSizes.size() * 2); + for (const auto &size : thumbnailSizes) { + thumbnailEntries.push_back(size.width); + thumbnailEntries.push_back(size.height); + } staticMetadata_->addEntry(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, - availableThumbnailSizes.data(), - availableThumbnailSizes.size()); + thumbnailEntries.data(), thumbnailEntries.size()); /* * \todo Calculate the maximum JPEG buffer size by asking the encoder