{"id":19028,"url":"https://patchwork.libcamera.org/api/patches/19028/?format=json","web_url":"https://patchwork.libcamera.org/patch/19028/","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":"<20230915130650.35691-10-jacopo.mondi@ideasonboard.com>","date":"2023-09-15T13:06:47","name":"[libcamera-devel,v3,09/12] libcamera: rpi: Add some helpers to PipelineHandlerBase","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"adbeb113425b6230a0f067444217f5fd1769f9c6","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/19028/mbox/","series":[{"id":4025,"url":"https://patchwork.libcamera.org/api/series/4025/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4025","date":"2023-09-15T13:06:38","name":"libcamera: Introduce SensorConfiguration","version":3,"mbox":"https://patchwork.libcamera.org/series/4025/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/19028/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/19028/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 8F90EC32B2\n\tfor ;\n\tFri, 15 Sep 2023 13:07:19 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3FD536292C;\n\tFri, 15 Sep 2023 15:07:19 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C1BD962911\n\tfor ;\n\tFri, 15 Sep 2023 15:07:11 +0200 (CEST)","from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 596292D14;\n\tFri, 15 Sep 2023 15:05:38 +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=\"gIIOdFkf\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 15 Sep 2023 15:06:47 +0200","Message-ID":"<20230915130650.35691-10-jacopo.mondi@ideasonboard.com>","X-Mailer":"git-send-email 2.42.0","In-Reply-To":"<20230915130650.35691-1-jacopo.mondi@ideasonboard.com>","References":"<20230915130650.35691-1-jacopo.mondi@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 09/12] libcamera: rpi: Add some helpers\n\tto PipelineHandlerBase","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":"From: Naushir Patuck \n\nAdd a helper updateStreamConfig() that updates the format related fields\nin a StreamConfiguration from a given V4L2DeviceFormat structure.\n\nAdd and override to the toV4L2DeviceFormat() helper that returns a\nV4L2DeviceFormat structure populated from the format related fields in\na StreamConfiguration.\n\nBoth these helper functions will be used in a future commit to simplify\nthe Raspberry Pi pipeline handler configuration/validation code.\n\nSigned-off-by: Naushir Patuck \nReviewed-by: Jacopo Mondi \nSigned-off-by: Jacopo Mondi \n---\n .../pipeline/rpi/common/pipeline_base.cpp | 47 +++++++++++++++++++\n .../pipeline/rpi/common/pipeline_base.h | 4 ++\n 2 files changed, 51 insertions(+)","diff":"diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\nindex 0aa0c3a0fc7d..b523d560420a 100644\n--- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n+++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n@@ -349,6 +349,53 @@ bool PipelineHandlerBase::isRaw(const PixelFormat &pixFmt)\n \treturn BayerFormat::fromPixelFormat(pixFmt).isValid();\n }\n \n+/*\n+ * Adjust a StreamConfiguration fields to match a video device format.\n+ * Returns true if the StreamConfiguration has been adjusted.\n+ */\n+bool PipelineHandlerBase::updateStreamConfig(StreamConfiguration *stream,\n+\t\t\t\t\t const V4L2DeviceFormat &format)\n+{\n+\tconst PixelFormat &pixFormat = format.fourcc.toPixelFormat();\n+\tbool adjusted = false;\n+\n+\tif (stream->pixelFormat != pixFormat || stream->size != format.size) {\n+\t\tstream->pixelFormat = pixFormat;\n+\t\tstream->size = format.size;\n+\t\tadjusted = true;\n+\t}\n+\n+\tif (stream->colorSpace != format.colorSpace) {\n+\t\tstream->colorSpace = format.colorSpace;\n+\t\tadjusted = true;\n+\t\tLOG(RPI, Debug)\n+\t\t\t<< \"Color space changed from \"\n+\t\t\t<< ColorSpace::toString(stream->colorSpace) << \" to \"\n+\t\t\t<< ColorSpace::toString(format.colorSpace);\n+\t}\n+\n+\tstream->stride = format.planes[0].bpl;\n+\tstream->frameSize = format.planes[0].size;\n+\n+\treturn adjusted;\n+}\n+\n+/*\n+ * Populate and return a video device format using a StreamConfiguration. */\n+V4L2DeviceFormat PipelineHandlerBase::toV4L2DeviceFormat(const V4L2VideoDevice *dev,\n+\t\t\t\t\t\t\t const StreamConfiguration *stream)\n+{\n+\tV4L2DeviceFormat deviceFormat;\n+\n+\tconst PixelFormatInfo &info = PixelFormatInfo::info(stream->pixelFormat);\n+\tdeviceFormat.planesCount = info.numPlanes();\n+\tdeviceFormat.fourcc = dev->toV4L2PixelFormat(stream->pixelFormat);\n+\tdeviceFormat.size = stream->size;\n+\tdeviceFormat.colorSpace = stream->colorSpace;\n+\n+\treturn deviceFormat;\n+}\n+\n V4L2DeviceFormat PipelineHandlerBase::toV4L2DeviceFormat(const V4L2VideoDevice *dev,\n \t\t\t\t\t\t\t const V4L2SubdeviceFormat &format,\n \t\t\t\t\t\t\t BayerFormat::Packing packingReq)\ndiff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.h b/src/libcamera/pipeline/rpi/common/pipeline_base.h\nindex 1a3a13dbb6cf..491c5e98c4a1 100644\n--- a/src/libcamera/pipeline/rpi/common/pipeline_base.h\n+++ b/src/libcamera/pipeline/rpi/common/pipeline_base.h\n@@ -198,6 +198,10 @@ public:\n \tstatic bool isYuv(const PixelFormat &pixFmt);\n \tstatic bool isRaw(const PixelFormat &pixFmt);\n \n+\tstatic bool updateStreamConfig(StreamConfiguration *stream,\n+\t\t\t\t const V4L2DeviceFormat &format);\n+\tstatic V4L2DeviceFormat toV4L2DeviceFormat(const V4L2VideoDevice *dev,\n+\t\t\t\t\t\t const StreamConfiguration *stream);\n \tstatic V4L2DeviceFormat toV4L2DeviceFormat(const V4L2VideoDevice *dev,\n \t\t\t\t\t\t const V4L2SubdeviceFormat &format,\n \t\t\t\t\t\t BayerFormat::Packing packingReq);\n","prefixes":["libcamera-devel","v3","09/12"]}