Axis P12 User Manual

AXISP1204NetworkCamera
MediaStreams
MediaStreams
TheAxisproductprovidesseveralvideostreamformats.Yourrequirementsandthepropertiesofyournetworkwilldeterminethe
typeyouuse.
TheLiveViewpageintheproductprovidesaccesstoH.264andMotionJPEGvideostreams,andtothelistofavailablestreamproles.
Otherapplicationsandclientscanaccessvideostreamsdirectly,withoutgoingviatheLiveViewpage.
HowtoStreamH.264
ThevideocompressionstandardH.264makesgooduseofbandwidth,andcanprovidehighqualityvideostreamsatlessthan1Mbit/s.
Decidingwhichcombinationofprotocolsandmethodstousedependsonyourviewingrequirements,andonthepropertiesof
yournetwork.TheavailableoptionsinAXISMediaControlare:
UnicastRTP
Thisunicastmethod(RTPoverUDP)isused
forliveunicastvideo,especiallywhenitis
importanttoalwayshaveanup-to-datevideo
stream,evenifsomeimagesaredropped.
RTPoverRTSP
Thisunicastmethod(RTPtunneledoverRTSP)
isusefulasitisrelativelysimpletocongure
rewallstoallowRTSPtrafc.
RTPoverRTSPoverHTTP
Thisunicastmethodcanbeusedtotraverse
rewalls.Firewallsarecommonlyconguredto
allowtheHTTPprotocol,thusallowingRTPto
betunneled.
Unicastingisusedforvideo-on-demand
transmissionsothatthereisnovideotrafc
onthenetworkuntilaclientconnectsand
requeststhestream.
Notethatthereareamaximumof20
simultaneousunicastconnections.
MulticastRTP
Thismethod(RTPoverUDP)shouldbeusedforlivemulticastvideo.Thevideostreamisalways
up-to-date,evenifsomeimagesaredropped.
Multicastingprovidesthemostefcientusageofbandwidthwhentherearelargenumbersof
clientsviewingsimultaneously.Amulticastcannothowever,passanetworkrouterunlessthe
routerisconguredtoallowthis.ItisnotpossibletomulticastovertheInternet,forexample.
Notealsothatallmulticastviewerscountasoneunicastviewerinthemaximumtotalof20
simultaneousconnections.
AXISMediaControlnegotiateswiththeAxisproducttodeterminethetransportprotocoltouse.Theorderofpriority,listedinthe
AMCControlPanel,canbechangedandtheoptionsdisabled,tosuitspecicrequirements.
Note
H.264islicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Installingadditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
MJPEG
ThisformatusesstandardJPEGstillimagesforthevideostream.Theseimagesarethendisplayedandupdatedataratesufcient
tocreateastreamthatshowsconstantlyupdatedmotion.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage
containedinthestream.TherecommendedmethodofaccessingMotionJPEGlivevideofromtheAxisproductistousetheAXIS
MediaControlinInternetExplorerinWindows.
AXISMediaControl(AMC)
AXISMediaControl(AMC)inInternetExplorerinWindowsistherecommendedmethodofaccessinglivevideofromtheAxisproduct.
11

Axis P12 Specifications

General

Lens	Fixed
Day/Night Function	Yes
Power over Ethernet (PoE)	Yes
Sensor Type	CMOS
Minimum Illumination	0.05 lux at F1.4 (B/W)
Video Compression	H.264, Motion JPEG
Audio Support	Yes
Audio Compression	AAC, G.711, G.726
Ethernet	10/100 Mbps
Ethernet Ports	1
Power over Ethernet	IEEE 802.3af
Operating Temperature	-10°C to 50°C (14°F to 122°F)