{"id":12244,"url":"https://patchwork.libcamera.org/api/patches/12244/?format=json","web_url":"https://patchwork.libcamera.org/patch/12244/","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":"<20210510105235.28319-5-jacopo@jmondi.org>","date":"2021-05-10T10:52:31","name":"[libcamera-devel,4/8] android: camera_device: Replace running_ with CameraState","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"785c553b30a806cfa2027fc4d284af7b100a4877","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":{"id":15,"url":"https://patchwork.libcamera.org/api/users/15/?format=json","username":"jmondi","first_name":"Jacopo","last_name":"Mondi","email":"jacopo@jmondi.org"},"mbox":"https://patchwork.libcamera.org/patch/12244/mbox/","series":[{"id":2016,"url":"https://patchwork.libcamera.org/api/series/2016/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2016","date":"2021-05-10T10:52:27","name":"android: Implement flush() camera operation","version":1,"mbox":"https://patchwork.libcamera.org/series/2016/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/12244/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/12244/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 AB0E4BF835\n\tfor ;\n\tMon, 10 May 2021 10:52:01 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 31BB168926;\n\tMon, 10 May 2021 12:52:01 +0200 (CEST)","from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net\n\t[217.70.183.196])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2E74C6891C\n\tfor ;\n\tMon, 10 May 2021 12:51:59 +0200 (CEST)","from uno.homenet.telecomitalia.it\n\t(host-82-59-136-116.retail.telecomitalia.it [82.59.136.116])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 878A8E01E6;\n\tMon, 10 May 2021 10:51:58 +0000 (UTC)"],"X-Originating-IP":"82.59.136.116","From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Mon, 10 May 2021 12:52:31 +0200","Message-Id":"<20210510105235.28319-5-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.31.1","In-Reply-To":"<20210510105235.28319-1-jacopo@jmondi.org>","References":"<20210510105235.28319-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 4/8] android: camera_device: Replace\n\trunning_ with CameraState","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","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"The CameraDevice class maintains the camera state in the 'running_'\nboolean flag to check if the camera has to be started at the first\nreceived process_capture_request() call which happens after the camera\nhad been stopped.\n\nSo far this was correct, as the operations that change the camera\ncould only start or stop the camera, so a simple boolean flag\nwas enough.\n\nTo prepare to handle the flush() operation that will introduce a new\n'flushing' state, replace the simple plain boolean flag with an\nenumeration of values that define the CameraState.\n\nSigned-off-by: Jacopo Mondi \n---\n src/android/camera_device.cpp | 10 +++++-----\n src/android/camera_device.h | 8 +++++++-\n 2 files changed, 12 insertions(+), 6 deletions(-)","diff":"diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex d8b7e62ef896..bdb5c8ed52aa 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -401,7 +401,7 @@ CameraDevice::Camera3RequestDescriptor::Camera3RequestDescriptor(\n */\n \n CameraDevice::CameraDevice(unsigned int id, std::shared_ptr camera)\n-\t: id_(id), running_(false), camera_(std::move(camera)),\n+\t: id_(id), state_(CameraStopped), camera_(std::move(camera)),\n \t facing_(CAMERA_FACING_FRONT), orientation_(0)\n {\n \tcamera_->requestCompleted.connect(this, &CameraDevice::requestComplete);\n@@ -757,14 +757,14 @@ void CameraDevice::close()\n \n void CameraDevice::stop()\n {\n-\tif (!running_)\n+\tif (state_ == CameraStopped)\n \t\treturn;\n \n \tworker_.stop();\n \tcamera_->stop();\n \n \tdescriptors_.clear();\n-\trunning_ = false;\n+\tstate_ = CameraStopped;\n }\n \n void CameraDevice::setCallbacks(const camera3_callback_ops_t *callbacks)\n@@ -1913,7 +1913,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques\n \t\treturn -EINVAL;\n \n \t/* Start the camera if that's the first request we handle. */\n-\tif (!running_) {\n+\tif (state_ == CameraStopped) {\n \t\tworker_.start();\n \n \t\tint ret = camera_->start();\n@@ -1922,7 +1922,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques\n \t\t\treturn ret;\n \t\t}\n \n-\t\trunning_ = true;\n+\t\tstate_ = CameraRunning;\n \t}\n \n \t/*\ndiff --git a/src/android/camera_device.h b/src/android/camera_device.h\nindex 8d5da8bc59e1..30b364decaab 100644\n--- a/src/android/camera_device.h\n+++ b/src/android/camera_device.h\n@@ -88,6 +88,11 @@ private:\n \t\tint androidFormat;\n \t};\n \n+\tenum State {\n+\t\tCameraStopped,\n+\t\tCameraRunning,\n+\t};\n+\n \tvoid stop();\n \n \tint initializeStreamConfigurations();\n@@ -115,7 +120,8 @@ private:\n \n \tCameraWorker worker_;\n \n-\tbool running_;\n+\tState state_;\n+\n \tstd::shared_ptr camera_;\n \tstd::unique_ptr config_;\n \n","prefixes":["libcamera-devel","4/8"]}