LSI Logic Confidential
Video Control Register
11-11
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
be changed while an input or echo transfer is active or
pending.
CTF
16
If CTF and TF are set when GoI/GoI2 is set by software,
then chroma and luma pels will be temporal filtered in the
associated capture window. If CTF is clear and TF is set
when GoI/GoI2 is set by software, then luma pels will be
temporal filtered, but chroma pels will not be temporal
filtered in the associated capture window. If TF is clear,
then chroma pels and luma pels will not be temporal
filtered.
FilE
15
If set when GoI is set by software, then the associated
capture window will be processed by the horizontal video
input filter. If clear, then the associated capture window
will bypass the horizontal video input filter and will not be
clamped. If set when GoO is set by software, then the
associated output window will be processed by the
horizontal and vertical video output filter. If clear, then the
associated output window will bypass the horizontal video
output filter and will not be clamped at this stage. If set
when GoR is set by software, then the associated rescale
operation will be processed by the horizontal rescale
filter. If clear, then the associated rescale operation will
bypass the horizontal rescale filter and will not be
clamped. Programming note: bypassing the input or
output filter makes more cycles available for rescaling
and vice versa. Bypassing the input filter can be used to
capture unscaled data during the vertical blank interval
0
14
This bit must be programmed to 0.
RES
Reserved
13
VideoRGB
12
If set, then video output windows in the next output
field/frame are treated as a second RGB graphics layer,
with a pixel format specified by videoPixFMT. The
ordering between the video layer and the OSD layer is
controlled by the vover bit. When VideoRGB is set,
RLEalpha blending, PIP and echo windows are not
allowed. The video RGB layer is affected by the
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