From patchwork Sat Sep 12 10:11:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 9589 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 5DB85C3B5B for ; Sat, 12 Sep 2020 10:08:11 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 39C9062DFF; Sat, 12 Sep 2020 12:08:11 +0200 (CEST) Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 53FB662D5B for ; Sat, 12 Sep 2020 12:08:10 +0200 (CEST) X-Originating-IP: 2.224.242.101 Received: from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 830791BF204; Sat, 12 Sep 2020 10:08:08 +0000 (UTC) From: Jacopo Mondi To: libcamera-devel@lists.libcamera.org Date: Sat, 12 Sep 2020 12:11:28 +0200 Message-Id: <20200912101129.12625-10-jacopo@jmondi.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200912101129.12625-1-jacopo@jmondi.org> References: <20200912101129.12625-1-jacopo@jmondi.org> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v4 09/10] android: camera_device: Set Encoder at construction 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: , Cc: hanlinchen@chromium.org Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Make the CameraStream encoder a private unique pointer and require its initialization at construction time. This ties the encoder lifetime to the CameraStream it has been created with, allowing to remove the CameraStream destructor. This change dis-allow creating a CameraStream and set the Encoder later, which shall not happen now that we create CameraStream once we have all the required information in place. No functional changes intended but this change aims to make the code more robust enforcing a stricter CameraStream interface. Reviewed-by: Hirokazu Honda Reviewed-by: Niklas Söderlund Reviewed-by: Laurent Pinchart Reviewed-by: Kieran Bingham Signed-off-by: Jacopo Mondi --- src/android/camera_device.cpp | 22 +++++++++------------- src/android/camera_device.h | 8 ++++---- 2 files changed, 13 insertions(+), 17 deletions(-) diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index 59acfd762a89..4d8847e72db5 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -169,16 +169,11 @@ MappedCamera3Buffer::MappedCamera3Buffer(const buffer_handle_t camera3buffer, } } -CameraStream::CameraStream(PixelFormat f, Size s, unsigned int i) - : format(f), size(s), jpeg(nullptr), index_(i) +CameraStream::CameraStream(PixelFormat f, Size s, unsigned int i, Encoder *e) + : format(f), size(s), index_(i), encoder_(e) { } -CameraStream::~CameraStream() -{ - delete jpeg; -}; - /* * \struct Camera3RequestDescriptor * @@ -1272,20 +1267,21 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list) } StreamConfiguration &cfg = config_->at(index); - CameraStream &cameraStream = - streams_.emplace_back(formats::MJPEG, cfg.size, index); - jpegStream->priv = static_cast(&cameraStream); /* * Construct a software encoder for MJPEG streams from the * chosen libcamera source stream. */ - cameraStream.jpeg = new EncoderLibJpeg(); - int ret = cameraStream.jpeg->configure(cfg); + Encoder *encoder = new EncoderLibJpeg(); + int ret = encoder->configure(cfg); if (ret) { LOG(HAL, Error) << "Failed to configure encoder"; + delete encoder; return ret; } + + streams_.emplace_back(formats::MJPEG, cfg.size, index, encoder); + jpegStream->priv = static_cast(&streams_.back()); } switch (config_->validate()) { @@ -1474,7 +1470,7 @@ void CameraDevice::requestComplete(Request *request) if (cameraStream->format != formats::MJPEG) continue; - Encoder *encoder = cameraStream->jpeg; + Encoder *encoder = cameraStream->encoder(); if (!encoder) { LOG(HAL, Error) << "Failed to identify encoder"; continue; diff --git a/src/android/camera_device.h b/src/android/camera_device.h index 376d001ea7d7..49a2e7f3f8bc 100644 --- a/src/android/camera_device.h +++ b/src/android/camera_device.h @@ -29,16 +29,15 @@ class CameraMetadata; struct CameraStream { public: - CameraStream(libcamera::PixelFormat, libcamera::Size, unsigned int i); - ~CameraStream(); + CameraStream(libcamera::PixelFormat, libcamera::Size, unsigned int i, + Encoder *e = nullptr); unsigned int index() const { return index_; } + Encoder *encoder() const { return encoder_.get(); } libcamera::PixelFormat format; libcamera::Size size; - Encoder *jpeg; - private: /* * The index of the libcamera StreamConfiguration as added during @@ -46,6 +45,7 @@ private: * one or more streams to the Android framework. */ unsigned int index_; + std::unique_ptr encoder_; }; class CameraDevice : protected libcamera::Loggable