Axis 26031r3 User Manual
14
AXIS 216FD - Video Streams
Video Streams
The AXIS 216FD provides several different image and video stream formats. The type to
use depends on your requirements and on the properties of your network.
The Live View page in the AXIS 216FD provides access to MPEG-4 and Motion JPEG video
streams, as well as to single JPEG images. Other applications and clients can also access
these video streams/images directly, without going via the Live View page.
How to stream MPEG-4
This video compression standard makes good use of bandwidth, and can provide
DVD-quality video streams at less than 1 Mbit/s. Note that the image settings of the
MPEG-4 stream are the same for all clients.
Deciding on the combination of protocols and methods to use depends on your viewing
requirements, and on the properties of your network. The available options in AMC are:
Unicasting is used for video-on-demand
broadcasting, so that there is no video traf-
fic on the network until a client connects
and requests the stream.
Note: There is a maximum of 20 simulta-
neous viewers.
broadcasting, so that there is no video traf-
fic on the network until a client connects
and requests the stream.
Note: There is a maximum of 20 simulta-
neous viewers.
Unicast RTP
This method (RTP over UDP) should be your first uni-
cast consideration for live video, especially when it is
important to always have an up-to-date video stream,
even if some images are dropped.
cast consideration for live video, especially when it is
important to always have an up-to-date video stream,
even if some images are dropped.
RTP over RTSP
This method (RTP tunneled over RTSP) is relatively
simple to configure firewalls to allow RTSP traffic.
simple to configure firewalls to allow RTSP traffic.
RTP over RTSP over HTTP
This method can be used to traverse firewalls. Fire-
walls are commonly configured to allow the HTTP pro-
tocol, thus allowing RTP to be tunneled.
walls are commonly configured to allow the HTTP pro-
tocol, thus allowing RTP to be tunneled.
Multicasting provides the most efficient
usage of bandwidth, especially when there
are large numbers of clients viewing simul-
taneously. Note however, that a multicast
broadcast cannot pass a network router
unless the router is configured to allow this.
It is thus not possible to multicast over e.g.
the Internet.
usage of bandwidth, especially when there
are large numbers of clients viewing simul-
taneously. Note however, that a multicast
broadcast cannot pass a network router
unless the router is configured to allow this.
It is thus not possible to multicast over e.g.
the Internet.
Multicast RTP
This method (RTP over TCP) provides an always
up-to-date video stream, even if some images are
dropped.
up-to-date video stream, even if some images are
dropped.
AMC will negotiate with the camera to determine exactly which transport protocol to use
in the order listed above. This order can be changed and the options disabled, to suit any
specific requirements.
Important!
MPEG-4 is licensed technology. The AXIS 216FD includes one viewing client license.
Installing additional unlicensed copies of the viewing client is prohibited. To pur-
chase additional licenses, contact your Axis reseller.