How to implement circular buffer video recording in C#

In this description you can read about circular or ring buffer. The article explains the benefits of it and shows how to use ths data structure in video ... OZEKI OZEKI  CameraSDK BuildWebcamandIPcamerasolutionsefficientlyinC#.Net E-mail:[email protected] Quickstart Download Manual Install How to buy Contact Home Introduction Gettingstarted C#nugetpackage C#gitrepository IPvideocameraviewer PTZIPcameramotioncontrol Onvifnetworkvideorecorder RecordastreamintoMPEG-4 Takeapicturesnapshot Circularbuffervideorecord Videosettingsforrecording Recordfrommorecameras Recordaudiostreamfromcamera ScreenCapture SMSnotifications Motiondetectionandalarms IPcameratoSIPvideocall ConfigureOnvifIPcamremotely OnvifIPcameravideoserver Videostreamonwebsite OnvifNetworkVideoAnalytics OnvifIPCameraManager ComputerVisionTechnology Motionrecognition Objectdetection Objectcategorization ImageManipulation OzekiSDKforLinux Supportedcameras RECOMMENDEDFORYOU: SMSGatewaysoftware Ozekibringsyououtstanding SMSGateway technology. UseourSMSServer productsonWindows,Linux,orAndroid C#SMSAPI DeveloperscanuseourC#SMSAPI tosendSMSfromC#.Net.The C#SMSAPIcomeswithfull sourcecode PHPSMSAPI TheozekiPHPSMSgateway softwarecanbeusedtosendSMSfromPHP andtoreceiveSMSusigPHPon yourwebsite SMPPSMSGateway SMSserviceprovidersuseour SMPPgatewaysolution, thatoffersahighperformanceSMPPserver andSMPPclientgateway withamazingroutingcapabilities OzekiCameraSDK Takeapicturesnapshot|Videosettingsforrecording HowtoimplementcircularbuffervideorecordinginC# Thisarticlepresentsadescriptionofcircularorringbuffer,explainsthebenefitsofitand showshowtousethisdatastructureinvideorecording. Whatiscircularbuffer? Acircularbuffer(orringbuffer)isafirst-infirst-outdatastructurethatusesasingle,fixed-size bufferasifitwereconnectedend-to-end. Itisacircularsoftwarequeue.Thisqueuehasafirst-in-first-out(FIFO)datacharacteristicwhichmakesitcapabletocollectdatacontinually. Thesebuffersarequitecommonandarefoundinmanyembeddedsystems.Usually,mostdeveloperswritethese constructsfromscratchonanas-neededbasis. RingbuffersareincrediblyusefulwhenprocessingasynchronousIO.Theyallowonesidetoreceivedatain randomintervalsandinrandomsizes,butfeedcohesivechunkstotheothersideinsetsizesorintervals. Figure1-Circularbuffer Howdoesitwork? CircularBuffersareusedfordatatransferbetweentwoprocesses.TheProducerprocessplacesitemsintothe CircularBufferandtheConsumerprocessremovesthem.ThevariablecapacityoftheCircularBufferaccommodates timingdifferencesbetweentheProducerandConsumerprocesses. Circularbufferscanimplementthefollowingfunctions: Create-Makesanewringbuffer. Destroy-Destroysanexistingringbuffer. Connect-Connectstoanexistingringbuffer. Put-Insertsdataintotheringbuffer. Get-Retrievesdatafromtheringbuffer. WaitUntil-Blocksuntiltheringbuffersatisfiessomeconditionorpredicate. Peek-Exactlylikegethoweverthegetpointerisnotupdated. Circularbuffervideorecording Thisdatastructureallowsustorecordonlyaspecifiedlengthofvideofiles(e.g.5minutes).Itisveryuseful whenyouwouldliketolaunchalong-termrecordingprocessbutyourstoragecapacityislimited. RelatedPages HowtorecordthecamerastreamintoMPEG-4videoinC# Howtosetframerate/codec/sizeofthecamerainC# HowtorecordfrommoreIPcamerasinC# HowtomasktheIPcameraimageinC# FAQ Belowyoucanfindtheanswersforthemostfrequentlyaskedquestionsrelatedtothistopic: HowcanIgettheURLofthecamera? YoucangettheURLfromtheproducerofthecamera. (Inthe10thtutorialyoucanfindinformationon howtocreateanownIPcameradiscovererprogram.) Ihavenotmanagedtobuildthesolution.Howtosolveit? PleasesettheTargetframeworkpropertyoftheprojectto.NET4.0. YoushouldaddtheOzekiSDK.dlltothereferencesofthesolution. Pleaseimportthemissingclasses. Moreinformation HowtorecordaudioandvideostreamintoMPEG-4inC# Howtotakeapicturesnapshotandsaveitas.jpginC# Howtosetframerate,codec,andpicturesizeforvideorecording(resamplevideostream)inCx HowtorecordfrommultiplecamerassimultaneouslyinC# Howtorecordaudiostreaminto.WAVinC# Screencapturefunction-ScreenCapture Takeapicturesnapshot|Videosettingsforrecording Oursiteusescookies,bycontinuingtobrowse,youacceptourprivacypolicy. Copyright©2000-| OzekiLtd|[email protected]| Home>Onlinemanual>Onvifnetworkvideorecorder>Circularbuffervideorecord Legal| Privacy| Termsofuse| 6554 |167.99.71.17|87.229.102.173|Login