![background image](http://html1.mh-extra.com/html/kramer/kds-dec6/kds-dec6_api-manual_2001585014.webp)
Kramer Electronics Ltd.
KDS-EN6, KDS-DEC6
– Astparam APIs
13
Video Wall
Key
Description
Value
Host/
Client
en_video_wall
Enable video wall feature. Please also
check the value of Astparam,
web_ui_cfg, for the video wall Web UI.
y
: enable
n
: disable (default)
H/C
vw_rotate
Clock-wise rotate output picture.
Console API:
echo 3 >
/sys/devices/platform/display/vw_rotate
0
: No rotate (default)
3
: 180 degree
6
: 270 degree
C
vw_stretch_type
Video wall stretching type:
1: Stretch out
2: Fit in
1
: Stretch out
2
: Fit in (default)
vw_ver
Specify video wall control APIs
version:
1: Default. Specify monitor layout and
auto calculate coordinate.
2: Manually specify coordinate. Easier
for mosaic style video wall
configuration.
Following Astparam will be used when
‘vw_ver’ is ‘2’:
•
vw_v2_x1
•
vw_v2_y1
•
vw_v2_x2
1
: Default
2
: v2. Specify coordinate
C
HDCP
Key
Description
Value
Host/
Client
hdcp_always_on
Always enable HDCP 1.4
y
: enable
n
: disable (default)
H/C
hdcp_always_on_22
Always enable HDCP 2.2
y
: enable
n
: disable (default)
H/C
v_reject_hdcp
Don’t accept HDCP video source.
y
: enable
n
: disable (default)
H