Vela 2000-0422 Installation And User Manual - page 109
Chapter 2 — Overview and Operation
95
Mode Parameter Pages
Video Mode
Returns state of genlock source and Video Switch status. Bit 4 reflect the status of
the video switch; bit 3 reflects the status of genlock input source.
Under
Set to 1 when decoder enters a pause on data underflow condition. See
MPEG
PLAY
(A5h), Error Recovery on Data Underflow (ErrRcvy).
Queue
Set after a
RESET
BUFFER
is received; cleared only after playback has started.
Play
Set to 1 when playback is active; 0 indicates decoder is idle.
FIFO Buffer Status
Returns the number of 64-K buffers free on the decoder. The number of buffers is
defined as:
When all buffers are empty, the number of available buffers is one less than the total
number. Thus, each channel reports 55 buffers available.
Value
Meaning
00b
Video Switch = This LUN’s output.
Genlock = Standalone mode (non-genlock) or genlock loss.
01b
Video Switch = This LUN’s output.
Genlock = Genlock is valid.
10b
Video Switch = Adjacent channel pair.
Genlock = Genlock loss.
11b
Video Switch = Adjacent channel pair.
Genlock = Genlock is valid.
LUN 0
56 64-K buffers
3.5MB
LUN 1
56 64-K buffers
3.5MB
LUN 3
56 64-K buffers
3.5MB
LUN 4
56 64-K buffers
3.5MB