User's Manual

49
Type ‘v’ and ‘e’ messages for Video commands
Function
R/W
Block
Command
Data
Type
Video Input
r/w
v
inp
1 byte
0 = Off
2 = PAL
3 = NTSC
4 = NTSC No
Pedestal
5 = PAL S-vid
6 = NTSC S-vid
7 = NTSC S-Vid No
pedestal
8 = SDI PAL
9 = SDI NTSC
int
Video
Locked
r
v
loc
1 byte
0 = No
1 = Yes
int
Video Bitrate
(Only
applicable
when chain
in enabled)
r/w e vid Value in Mbps double
Video
Horizontal
resolution
r/w
e
hor
1 byte
0=704
1=528
2=480
3=352
int
Sleep if no
video lock
r/w
v
sle
0 = normal
1 = sleep if no video
int
MPEG mode
r/w
e
enc
0 = MPEG2
1 = MPEG4
int
MPEG2
GOP length
r/w e gop 0 = stripe refresh
mode (default)
1 = intra only
2-100 = GOP
length in frames
int
MPEG4
frame rate
r/w
e
frm
0 = full
1 = 1/2
2 = 1/4
3 = 1/8
4 = 1/24
int
MPEG4
encoding
option
r/w
e
cmd
0 = low delay
interlaced (default)
1 = standard delay
interlaced
2 = low delay
progressive
3 = standard delay
progressive
4 = standard delay
progressive SIF
5 = standard delay
progressive QSIF
MPEG4
video
sharpness
r/w
e
sha
0 = normal (default)
1 = sharp
int
Manual
Video Bitrate
r/w e vbr Video bitrate
manual over ride
0 = no override
(default)
Non-zero (sets the
video bit-rate in
kbps)
int
Video Profile
r/w
e
pro
0 = 4:2:0
1 = 4:2:2
int
Video PID
r/w
v
pid
0 = default
Other = value
int
Manual
video bitrate
r/w v vbr 0 = automatic
Non-zero = video
bitrate in kbps
float