Axis M3044-V - Performance and Stream Troubleshooting

AXISM30NetworkCameraSeries
Troubleshooting
NomulticastH.264
displayedintheclient
CheckwithyournetworkadministratorthatthemulticastaddressesusedbytheAxisproduct
arevalidforyournetwork.
Checkwithyournetworkadministratortoseeifthereisarewallpreventingviewing.
PoorrenderingofH.264
images
Ensurethatyourgraphicscardisusingthelatestdriver.Thelatestdriverscanusuallybe
downloadedfromthemanufacturer’swebsite.
Colorsaturationisdifferent
inH.264andMotionJPEG
Modifythesettingsforyourgraphicsadapter.Gototheadapter’sdocumentationformore
information.
Lowerframeratethan
expected
•SeePerformanceconsiderationsonpage18.
•Reducethenumberofapplicationsrunningontheclientcomputer.
•Limitthenumberofsimultaneousviewers.
•Checkwiththenetworkadministratorthatthereisenoughbandwidthavailable.
•Lowertheimageresolution.
•Intheproduct’swebpage,setacapturemodethatprioritizesframerate.Changingthe
capturemodetoprioritizeframeratemightlowerthemaximumresolutiondepending
ontheproductusedandcapturemodesavailable.
•Themaximumframespersecondisdependentontheutilityfrequency(60/50Hz)of
theAxisproduct.
Problemsretrievingadditionalvideostreams
‘VideoError’displayedin
AXISCompanion,or
‘Stream:Error.Something
wentwrong.Maybethere
aretoomanyviewers.’in
Chrome/Firefox,or
‘503serviceunavailable’
errorinQuickTime,or
‘Cameranot
available’displayedin
AXISCameraStation,or
‘Errorreadingvideostream’
messageinbrowserwhen
usingtheJavaapplet
Thiscameraisdesignedtodeliveruptofourdifferentstreams.Ifafthuniquestreamisrequested,
thecamerawillnotbeabletoprovideit,andanerrormessageisdisplayed.Theerrormessage
dependsonthewaythestreamisrequested.Thestreamsareusedonarstcome,rstserved
basis.Examplesofinstancesusingastreamare:
•Liveviewinginawebbrowserorotherapplication
•Whilerecording-continuousormotiontriggeredrecording
•Aneventusingimagesonthecamera,forexampleaneventsendingane-mailwithan
imageeveryhour
•Aninstalledapplication,suchasAxisVideoMotionDetection,willalwaysuseastream
regardlessofwhetheritisusedornot.
Thecameracandelivermorethanfoursimultaneousstreamsprovidedthecongurationofany
additionalstreamisidenticaltoanyoftherstfourstreams.Identicalcongurationimpliesexactly
thesameresolution,framerate,compression,videoformat,rotationetc.Formoreinformationsee
thewhitepaper“Maxnumberofuniquevideostreamcongurations”,availableataxis.com
Performanceconsiderations
Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationsaffecttheperformance.Somefactors
affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe
CPUreachesitsmaximum,thisalsoaffectstheframerate.
Thefollowingfactorsarethemostimportanttoconsider:
•Highimageresolutionorlowercompressionlevelsresultinimagescontainingmoredatawhichinturnaffectsthe
bandwidth.
•AccessbylargenumbersofMotionJPEGorunicastH.264clientsaffectsthebandwidth.
•Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclientsaffectsbothframerateand
bandwidth.
Useidenticalstreamswhereverpossibletomaintainahighframerate.Streamprolescanbeusedtoensurethat
streamsareidentical.
•AccessingMotionJPEGandH.264videostreamssimultaneouslyaffectsbothframerateandbandwidth.
18