User's Manual

AXISM30NetworkCameraSeries
Troubleshooting
‘Errorreadingvideostream’
messageinbrowserwhen
usingtheJavaapplet
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.
RotatingtheimageintheGUIwillincreasetheproduct'sCPUload.
AccessbylargenumbersofMotionJPEGorunicastH.264clientsaffectsthebandwidth.
Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclientsaffectsbothframerateand
bandwidth.
Useidenticalstreamswhereverpossibletomaintainahighframerate.Streamprolescanbeusedtoensurethat
streamsareidentical.
AccessingMotionJPEGandH.264videostreamssimultaneouslyaffectsbothframerateandbandwidth.
Heavyusageofeventsettingsaffectstheproduct’sCPUloadwhichinturnaffectstheframerate.
UsingHTTPSmayreduceframerate,inparticularifstreamingMotionJPEG.
Heavynetworkutilizationduetopoorinfrastructureaffectsthebandwidth.
Viewingonpoorlyperformingclientcomputerslowersperceivedperformanceandaffectsframerate.
RunningmultipleAXISCameraApplicationPlatform(ACAP)applicationssimultaneouslymayaffecttheframerateand
thegeneralperformance.
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