{"id":18570,"url":"https://patchwork.libcamera.org/api/patches/18570/?format=json","web_url":"https://patchwork.libcamera.org/patch/18570/","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":"<20230427144740.64075-5-jacopo.mondi@ideasonboard.com>","date":"2023-04-27T14:47:38","name":"[libcamera-devel,v3,4/6] libcamera: camera_sensor: Add tryFormat()","commit_ref":"608af3127cd2be4540121cc16ee43b8bc4ac009d","pull_url":null,"state":"accepted","archived":false,"hash":"b6934529583457b6c87ba5667f716f206b0b0a30","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18570/mbox/","series":[{"id":3852,"url":"https://patchwork.libcamera.org/api/series/3852/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3852","date":"2023-04-27T14:47:34","name":"libcamera: imx8-isi: Remove pixelformat-2-media-bus map","version":3,"mbox":"https://patchwork.libcamera.org/series/3852/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18570/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18570/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 46018C327D\n\tfor ;\n\tThu, 27 Apr 2023 14:48:06 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 808EC627EF;\n\tThu, 27 Apr 2023 16:48:05 +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 B4A3A627DE\n\tfor ;\n\tThu, 27 Apr 2023 16:48:00 +0200 (CEST)","from uno.lan (unknown\n\t[IPv6:2001:b07:5d2e:52c9:1cf0:b3bc:c785:4625])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 798AE802;\n\tThu, 27 Apr 2023 16:47:48 +0200 (CEST)"],"DKIM-Signature":["v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"r2LTdOQC\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 27 Apr 2023 16:47:38 +0200","Message-Id":"<20230427144740.64075-5-jacopo.mondi@ideasonboard.com>","X-Mailer":"git-send-email 2.40.0","In-Reply-To":"<20230427144740.64075-1-jacopo.mondi@ideasonboard.com>","References":"<20230427144740.64075-1-jacopo.mondi@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 4/6] libcamera: camera_sensor: Add\n\ttryFormat()","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","From":"Jacopo Mondi via libcamera-devel ","Reply-To":"Jacopo Mondi ","Cc":"Jacopo Mondi ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a function to the CameraSensor class that allows to test a format\nwithout applying it to the subdevice and without modifying any control\nvalue associated with the camera sensor.\n\nSigned-off-by: Jacopo Mondi \nReviewed-by: Paul Elder \n---\n include/libcamera/internal/camera_sensor.h | 1 +\n src/libcamera/camera_sensor.cpp | 17 +++++++++++++++++\n 2 files changed, 18 insertions(+)","diff":"diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h\nindex 928c61af7f4e..02c77ab037da 100644\n--- a/include/libcamera/internal/camera_sensor.h\n+++ b/include/libcamera/internal/camera_sensor.h\n@@ -56,6 +56,7 @@ public:\n \t\t\t\t const Size &size) const;\n \tint setFormat(V4L2SubdeviceFormat *format,\n \t\t Transform transform = Transform::Identity);\n+\tint tryFormat(V4L2SubdeviceFormat *format) const;\n \n \tconst ControlInfoMap &controls() const;\n \tControlList getControls(const std::vector &ids);\ndiff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp\nindex e442b89dacd0..06f315210240 100644\n--- a/src/libcamera/camera_sensor.cpp\n+++ b/src/libcamera/camera_sensor.cpp\n@@ -795,6 +795,23 @@ int CameraSensor::setFormat(V4L2SubdeviceFormat *format, Transform transform)\n \treturn 0;\n }\n \n+/**\n+ * \\brief Try the sensor output format\n+ * \\param[in] format The desired sensor output format\n+ *\n+ * The ranges of any controls associated with the sensor are not updated.\n+ *\n+ * \\todo Add support for Transform by changing the format's Bayer ordering\n+ * before calling subdev_->setFormat().\n+ *\n+ * \\return 0 on success or a negative error code otherwise\n+ */\n+int CameraSensor::tryFormat(V4L2SubdeviceFormat *format) const\n+{\n+\treturn subdev_->setFormat(pad_, format,\n+\t\t\t\t V4L2Subdevice::Whence::TryFormat);\n+}\n+\n /**\n * \\brief Retrieve the supported V4L2 controls and their information\n *\n","prefixes":["libcamera-devel","v3","4/6"]}