9
2.5 The Live View page
Not all the buttons described below will be visible unless the Live View page has
been customized to display them.
PC(Client) Speaker
PC(Client) Mic
Digital Zoom
Snap Shot
The Snapshot button saves a still image which is currently displayed.
Full Screen
Stream change: First stream
Ù
Second stream
Play: Click this button to start the stream
Stop: Click this button to stop streaming
2.6 Video stream types
Motion JPEG
This format uses standard JPEG still images in the video stream. These images
are then displayed and updated at a rate sufficient to create a stream that shows
constantly updated motion.
The Motion JPEG stream uses considerable amounts of bandwidth, but also
provides excellent image quality and access to every individual image contained in
the stream.
H.264 protocols and communication methods
• RTP (
R
ealtime
T
ransport
P
rotocol) is a protocol that allows programs to manage
the real-time transmission of multimedia data, via unicast or multicast.
• RTSP (
R
eal
T
ime
S
treaming
P
rotocol) serves as a control protocol, to negotiate
the type of transport protocol used for the stream. RTSP is used by a viewing
client to start a unicast session
• UDP (
U
ser
D
atagram
P
rotocol) is a communications protocol that offers limited
