{"id":15776,"url":"https://patchwork.libcamera.org/api/1.1/patches/15776/?format=json","web_url":"https://patchwork.libcamera.org/patch/15776/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20220504132154.9681-4-laurent.pinchart@ideasonboard.com>","date":"2022-05-04T13:21:52","name":"[libcamera-devel,3/5] libcamera: pipeline: simple: Factor out format test to separate function","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"4c9702c48ba45d0e3505f395acfc6835f69fc973","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/1.1/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15776/mbox/","series":[{"id":3090,"url":"https://patchwork.libcamera.org/api/1.1/series/3090/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3090","date":"2022-05-04T13:21:49","name":"libcamera: pipeline: simple: Support scaling on the camea sensor","version":1,"mbox":"https://patchwork.libcamera.org/series/3090/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15776/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15776/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","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 6643CC3256\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  4 May 2022 13:22:06 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D969A65656;\n\tWed,  4 May 2022 15:22:03 +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 AEDFD65641\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  4 May 2022 15:22:00 +0200 (CEST)","from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 59AF4835\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  4 May 2022 15:22:00 +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=\"Ctr296pK\"; dkim-atps=neutral","To":"libcamera-devel@lists.libcamera.org","Date":"Wed,  4 May 2022 16:21:52 +0300","Message-Id":"<20220504132154.9681-4-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.35.1","In-Reply-To":"<20220504132154.9681-1-laurent.pinchart@ideasonboard.com>","References":"<20220504132154.9681-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 3/5] libcamera: pipeline: simple: Factor\n\tout format test to separate function","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>","Reply-To":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"To prepare for the implementation of a more complex format discovery\nmethod, factor out code that tries a pipeline configuration to a\nseparate function. No functional change intended.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/pipeline/simple/simple.cpp | 110 ++++++++++++-----------\n 1 file changed, 59 insertions(+), 51 deletions(-)","diff":"diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex 4f963df16315..19deb9447c96 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -250,6 +250,9 @@ public:\n \tstd::queue<std::map<unsigned int, FrameBuffer *>> converterQueue_;\n \n private:\n+\tvoid tryPipeline(unsigned int code, const Size &size);\n+\tstatic std::vector<const MediaPad *> routedSourcePads(MediaPad *sink);\n+\n \tvoid converterInputDone(FrameBuffer *buffer);\n \tvoid converterOutputDone(FrameBuffer *buffer);\n };\n@@ -466,58 +469,11 @@ int SimpleCameraData::init()\n \t\treturn ret;\n \n \t/*\n-\t * Enumerate the possible pipeline configurations. For each media bus\n-\t * format supported by the sensor, propagate the formats through the\n-\t * pipeline, and enumerate the corresponding possible V4L2 pixel\n-\t * formats on the video node.\n+\t * Generate the list of possible pipeline configurations by trying each\n+\t * media bus format supported by the sensor.\n \t */\n-\tfor (unsigned int code : sensor_->mbusCodes()) {\n-\t\tV4L2SubdeviceFormat format{};\n-\t\tformat.mbus_code = code;\n-\t\tformat.size = sensor_->resolution();\n-\n-\t\tret = setupFormats(&format, V4L2Subdevice::TryFormat);\n-\t\tif (ret < 0) {\n-\t\t\tLOG(SimplePipeline, Debug)\n-\t\t\t\t<< \"Media bus code \" << utils::hex(code, 4)\n-\t\t\t\t<< \" not supported for this pipeline\";\n-\t\t\t/* Try next mbus_code supported by the sensor */\n-\t\t\tcontinue;\n-\t\t}\n-\n-\t\tV4L2VideoDevice::Formats videoFormats =\n-\t\t\tvideo_->formats(format.mbus_code);\n-\n-\t\tLOG(SimplePipeline, Debug)\n-\t\t\t<< \"Adding configuration for \" << format.size\n-\t\t\t<< \" in pixel formats [ \"\n-\t\t\t<< utils::join(videoFormats, \", \",\n-\t\t\t\t       [](const auto &f) {\n-\t\t\t\t\t       return f.first.toString();\n-\t\t\t\t       })\n-\t\t\t<< \" ]\";\n-\n-\t\tfor (const auto &videoFormat : videoFormats) {\n-\t\t\tPixelFormat pixelFormat = videoFormat.first.toPixelFormat();\n-\t\t\tif (!pixelFormat)\n-\t\t\t\tcontinue;\n-\n-\t\t\tConfiguration config;\n-\t\t\tconfig.code = code;\n-\t\t\tconfig.captureFormat = pixelFormat;\n-\t\t\tconfig.captureSize = format.size;\n-\n-\t\t\tif (!converter_) {\n-\t\t\t\tconfig.outputFormats = { pixelFormat };\n-\t\t\t\tconfig.outputSizes = config.captureSize;\n-\t\t\t} else {\n-\t\t\t\tconfig.outputFormats = converter_->formats(pixelFormat);\n-\t\t\t\tconfig.outputSizes = converter_->sizes(format.size);\n-\t\t\t}\n-\n-\t\t\tconfigs_.push_back(config);\n-\t\t}\n-\t}\n+\tfor (unsigned int code : sensor_->mbusCodes())\n+\t\ttryPipeline(code, sensor_->resolution());\n \n \tif (configs_.empty()) {\n \t\tLOG(SimplePipeline, Error) << \"No valid configuration found\";\n@@ -541,6 +497,58 @@ int SimpleCameraData::init()\n \treturn 0;\n }\n \n+void SimpleCameraData::tryPipeline(unsigned int code, const Size &size)\n+{\n+\t/*\n+\t * Propagate the format through the pipeline, and enumerate the\n+\t * corresponding possible V4L2 pixel formats on the video node.\n+\t */\n+\tV4L2SubdeviceFormat format{};\n+\tformat.mbus_code = code;\n+\tformat.size = size;\n+\n+\tint ret = setupFormats(&format, V4L2Subdevice::TryFormat);\n+\tif (ret < 0) {\n+\t\t/* Pipeline configuration failed, skip this configuration. */\n+\t\tLOG(SimplePipeline, Debug)\n+\t\t\t<< \"Media bus code \" << utils::hex(code, 4)\n+\t\t\t<< \" not supported for this pipeline\";\n+\t\treturn;\n+\t}\n+\n+\tV4L2VideoDevice::Formats videoFormats = video_->formats(format.mbus_code);\n+\n+\tLOG(SimplePipeline, Debug)\n+\t\t<< \"Adding configuration for \" << format.size\n+\t\t<< \" in pixel formats [ \"\n+\t\t<< utils::join(videoFormats, \", \",\n+\t\t\t       [](const auto &f) {\n+\t\t\t\t       return f.first.toString();\n+\t\t\t       })\n+\t\t<< \" ]\";\n+\n+\tfor (const auto &videoFormat : videoFormats) {\n+\t\tPixelFormat pixelFormat = videoFormat.first.toPixelFormat();\n+\t\tif (!pixelFormat)\n+\t\t\tcontinue;\n+\n+\t\tConfiguration config;\n+\t\tconfig.code = code;\n+\t\tconfig.captureFormat = pixelFormat;\n+\t\tconfig.captureSize = format.size;\n+\n+\t\tif (!converter_) {\n+\t\t\tconfig.outputFormats = { pixelFormat };\n+\t\t\tconfig.outputSizes = config.captureSize;\n+\t\t} else {\n+\t\t\tconfig.outputFormats = converter_->formats(pixelFormat);\n+\t\t\tconfig.outputSizes = converter_->sizes(format.size);\n+\t\t}\n+\n+\t\tconfigs_.push_back(config);\n+\t}\n+}\n+\n int SimpleCameraData::setupLinks()\n {\n \tint ret;\n","prefixes":["libcamera-devel","3/5"]}